diff --git a/Android.bp b/Android.bp
index 4f159c8..f806ece 100644
--- a/Android.bp
+++ b/Android.bp
@@ -33,6 +33,8 @@
     ],
     export_include_dirs: ["include"],
 
+    local_include_dirs: ["compat"],
+
     srcs: [
         // core
         "buffer.c",
@@ -46,6 +48,7 @@
         "evthread.c",
         "evutil.c",
         "evutil_rand.c",
+        "evutil_time.c",
         "listener.c",
         "log.c",
         "signal.c",
diff --git a/ChangeLog b/ChangeLog
index 8c0a9f8..740bdfc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,1076 @@
-Changes in version 2.0.22-stable (5 Jan 2015)
+Changes in version 2.1.8-stable (22 January 2017)
 
-SECURITY FIXES (evbuffers)
- o Avoid integer overflow bugs in evbuffer_add() and related functions.  See CVE-2014-6272 advisory for more information. (20d6d4458bee5d88bda1511c225c25b2d3198d6c)
+ Libevent 2.1.8-stable, it contains openssl fixes for resetting fd and using
+ bufferevent_openssl_filter_new(). vagrant fixes, some build fixes, increased
+ timeout for some tests (to reduce number of failures due to timing issues),
+ date in RFC1123 format and running tests in parallel.
+
+ There are highlighted changes above.
+
+ Build fixes:
+  o Fix _FILE_OFFSET_BITS redinition (solaris/autotools) (336f3b11 Azat Khuzhin)
+  o util-internal: fix __func__ redefinition (netbsd) (253e7fa9 Azat Khuzhin)
+  o Fix signedness differ for iov_base (solaris) (2c62062e Azat Khuzhin)
+  o evutil_time: include <unistd.h> when there is only sleep()/usleep() (3e75194c Azat Khuzhin)
+  o http: fix formatter for pritnf for req->ntoread (osx) (1cbf26f6 Azat Khuzhin)
+ Testing environment:
+  o Merge branch 'automake-tests-parallel-v4' (*includes ci bits also*) (59e217df Azat Khuzhin)
+ Vagrant env fixes:
+  o vagrant/netbsd: missing libtool (9c9be399 Azat Khuzhin)
+  o vagrant/netbsd: more reliable way of installing packages (36da6877 Azat Khuzhin)
+  o vagrant/osx: use make instead of gmake (there is no gmake) (f7c70aef Azat Khuzhin)
+  o vagrant: add centos box (ca591c5b Azat Khuzhin)
+ Tests:
+  o test/dns: replace servname since solaris does not have "http" (d6bafbbe Azat Khuzhin)
+  o test/thread: netbsd is too slow, increase timeout for conditions_simple (3c7422fc Azat Khuzhin)
+  o test/dns: run async resolving after sync one (to avoid timeouts) (07862531 Azat Khuzhin)
+  o test/http: turn off some tests that based on backlog filling (falky) (26f416c1 Azat Khuzhin)
+ Bugfixes:
+  o Merge branch 'openssl-filter-fixes-v4' (83e0f43b Azat Khuzhin)
+  o Merge branch 'date-rfc1123' (68def435,4798de6c,4545807d Azat Khuzhin)
+  o Merge branch 'be-openssl-fd-reset-fix-v2' (86fa0070,32adf434 Azat Khuzhin)
+  o Merge branch 'openssl-1.1-init-fixes-v2' (18a161f0 Azat Khuzhin)
+  o Fix incorrect MIME type (23f9a20e johnsonlee)
+ Trivial fixes:
+ Documentation updates:
+  o Update README.md (3821cca1 Breaker)
+
+
+Changes in version 2.1.7-rc (2 Novemer 2016)
+
+ Libevent 2.1.7-rc contains openssl 1.1 support, build fixes, CI improvements
+ and plus Vagrantfile for testing under multiple OS'es.
+
+
+ Continious Integration:
+  o Use coveralls.io via travis (9ac000c Azat Khuzhin)
+  o travis-ci: use container-based infrastructure (7e12e96 Azat Khuzhin)
+  o travis-ci/osx: fix compiling/linking openssl libraries (9d2f8d4 Azat Khuzhin)
+  o travis-ci: use gcc-5 (fixes osx|gcc failures) (d7ceae5 Azat Khuzhin)
+  o Testing with vagrant for 6 OS and cmake+autoconf (9585338 Azat Khuzhin)
+  o travis-ci/osx: install lcov (e4e099b Azat Khuzhin)
+
+ Build Improvements/Fixes:
+  o Fix cmake -DEVENT__COVERAGE=ON (40fbffc Azat Khuzhin)
+  o autogen.sh: learn about gmake (9376ac4 Azat Khuzhin)
+  o autogen.sh: remove all autoconf/automake caches, if any (69cce25 Azat Khuzhin)
+  o cmake: fix finding python2, and check that it is really 2 (3453c08 Azat Khuzhin)
+  o cmake: fix CheckFunctionExistsEx/CheckPrototypeDefinition (CMP0054) (43b69b2 Azat Khuzhin)
+  o cmake: cleanup (dc624ad Zonr Chang)
+  o cmake/win32: fix running regress, but fixing finding python2 interpreter (bcb990a Azat Khuzhin)
+  o cmake: use PYTHON_EXECUTABLE to find python2 (a4d044c Azat Khuzhin)
+  o Merge branch 'force-disable-clockgettime' (83c7cdf Azat Khuzhin)
+
+ Code Improvements (core)
+  o use ev_uint16_t instead of unsigned short for port (e983712 Thomas Bernard)
+  o Merge branch 'contrib-guide-v2' (b9c5077 Azat Khuzhin)
+  o poll: Prevent libevent from spinning if POLLNVAL occurs (675974c Tim Hentenaar)
+
+ Testing:
+  o test/regress: cover a polling of invalid fd (cb0df5c Tim Hentenaar)
+
+ Code Improvements (bufferevent_openssl)
+  o Make it build using OpenSSL 1.1.0 (3e9e0a0 Kurt Roeckx)
+  o Don't call BIO_number_{read|written} on NULL BIOs. (6702da1 Adam Langley)
+  o Switch from a 512 to 2048-bit RSA key. (f9803a6 Adam Langley)
+
+ Trivial fixes:
+  o Ignore temporary configure files (8fb08ae Azat Khuzhin)
+  o README.md: fix typo: ar -> are (2361616 Simone Basso)
+  o be: just a simple mistake, reinclude the <errno.h> (7521664 Seven)
+
+Changes in version 2.1.6-beta (4 July 2016)
+
+ Libevent 2.1.6-beta contains mostly bug fixes (evbuffers, evthread, evdns,
+ bufferevents, core, http, samples), improvements but mostly to fix some
+ possible issues (EVHTTP_CON_LINGERING_CLOSE), a lot of new unit tests and new
+ appveyor integration.
+
+ Security Fixes (utils)
+   o evutil_parse_sockaddr_port(): fix buffer overflow (329acc1 Azat Khuzhin)
+
+ Security Fixes (evdns)
+   o evdns: name_parse(): fix remote stack overread (96f64a0 Azat Khuzhin)
+   o evdns: fix searching empty hostnames (ec65c42 Azat Khuzhin)
+
+ New APIs (evdns)
+   o New function to get address for nameserver. (537177d Nick Mathewson)
+
+ New APIs (bufferevents)
+   o expose bufferevent_incref/decref (with fewer modifications) (1ed6718 Mark Ellzey)
+
+ New APIs (internal)
+   o evdns: export cancel via callbacks in util (like async lib core/extra issues) (8cbe65d Azat Khuzhin)
+
+ New APIs/Improvements (http)
+   o http: take EVHTTP_CON_LINGERING_CLOSE into account for "Expect: 100-Continue" (ac448a7 Azat Khuzhin)
+   o http: lingering close (like nginx have) for entity-too-large (9fde518 Azat Khuzhin)
+   o http: read server response even after server closed the connection (680742e Azat Khuzhin)
+   o http: export evhttp_connection_set_family() (714fc70 Azat Khuzhin)
+   o http: reuse connected address only with EVHTTP_CON_REUSE_CONNECTED_ADDR (a50f5f0 Azat Khuzhin)
+   o http: use IP address that we got before (if any) during retrying (54c887d Azat Khuzhin)
+
+ Bugfixes (core)
+   o Fix getaddrinfo under solaris (for multiprotocol case) (40730ae Azat Khuzhin)
+   o Check for Mac OS X 10.4 kqueue bug properly (df6f99e Mark Mentovai)
+   o event_reinit: make signals works after fork() without evsig_add() (88640aa Nicholas Marriott)
+   o event_reinit: always re-init signal's socketpair (ad0c237 Nicholas Marriott)
+   o Free event queues even for recursive finalizers (7c8d015 Azat Khuzhin)
+   o Fix checking for make_base_notifiable() (f337296 Azat Khuzhin)
+   o Set correct socklen for PF_INET6 sockaddr len (3499ad9 Mark Ellzey)
+   o Fix garbage value in socketpair util function, stdint? (043ae74 Mark Ellzey)
+   o fix the return value of event_deferred_cb_schedule_ (38cef64 Greg Hazel)
+   o event_free_debug_globals_locks(): disable lock debugging (e5c87d1 Azat Khuzhin)
+   o event: call event_disable_debug_mode() in libevent_global_shutdown() (941faae Azat Khuzhin)
+   o ht-internal: don't reset hth_table_length explicitly in name_##HT_CLEAR (597c7b2 Azat Khuzhin)
+
+ Bugfixes (evthread)
+   o evthread: fix evthread_setup_global_lock_() for debug-lock with a real-lock case (e4556fc Azat Khuzhin)
+   o evthread: evthreadimpl_disable_lock_debugging_() for libevent_global_shutdown() (ccc5593 Azat Khuzhin)
+
+ Bugfixes (evdns)
+   o evdns: avoid double-free in evdns_base_free() for probing requests (4db15e0 Azat Khuzhin)
+   o evdns: evdns_base_free(): fix UAF of evdns_base with @fail_requests (00313c5 Azat Khuzhin)
+   o evdns: evdns_base_free(): free requests before namservers (14f84bb Azat Khuzhin)
+   o evdns: fix randomize-case by make case-insensitive as required (9c238de Azat Khuzhin)
+
+ Bugfixes (bufferevents)
+   o be_sock: handle readv() returns ECONNREFUSED (freebsd 9.2) (3189eb0 Azat Khuzhin)
+   o be_filter: avoid data stuck under active watermarks (b627ad8 Eduardo Panisset)
+   o Fix bufferevent_pair to properly set BEV_EVENT_{READING,WRITING} on flush. (2851889 David Paschich)
+   o be_openssl: clear all pending errors before SSL_*() calls (38e0f4a Azat Khuzhin)
+   o be_sock: cancel in-progress dns requests (86dfd2c Azat Khuzhin)
+   o be_sock: unfreeze buffers on fd changing (255525d Azat Khuzhin)
+   o be_sock: bufferevent_socket_connect_hostname(): make it thread-safe (809bb39 Azat Khuzhin)
+   o be_openssl: don't call do_write() directly from outbuf_cb (da52933 Azat Khuzhin)
+   o be_openssl: use bufferevent_enable() instead of bufferevent_add_event_() (0c66d32 Azat Khuzhin)
+   o be_openssl: don't add events during bev creation (like be_sock) (f4b6284 Azat Khuzhin)
+   o Fix lock leak in be_pair_flush() if flush type is BEV_NORMAL (f45d39d Bill Vaughan)
+   o be_openssl: don't use *_auto() in do_handshake() we can't have fd == -1 there (877280d Azat Khuzhin)
+   o be_openssl: don't call set_open_callbacks() if fd == -1 (e8a2da9 Azat Khuzhin)
+   o be_openssl: get rid off hackish "fd_is_set", to fix some corner cases (40b0379 Azat Khuzhin)
+   o be: we don't need to use getpeername() we we have conn_address (2c271e2 Azat Khuzhin)
+   o Call underlying bev ctrl SET_FD on filtered bufferevents (c2aa7dc Mark Ellzey)
+   o be_pair: release shared lock with the latest of bufferevent_pair (92a359e Azat Khuzhin)
+
+ Bugfixes (http)
+   o [Issue #313] set method to ASCII "NULL" if evhttp_method() returns NULL (17cc636 Mark Ellzey)
+   o evhttp_have_expect(): fix -Wlogical-not-parentheses (24b5214 Azat Khuzhin)
+   o http: set fd to -1 unconditioally, to avoid leaking of DNS requests (7a4b472 Azat Khuzhin)
+   o http: avoid leaking of fd in evhttp_connection_free() (f0e1341 Azat Khuzhin)
+   o http: get fd from be layer during connection reset (4a53c54 Azat Khuzhin)
+   o http: fix EVHTTP_CON_READ_ON_WRITE_ERROR when it doesn't supported by OS (2ff164a Azat Khuzhin)
+   o http: do not do function calls under EVUTIL_ASSERT() to fix NDEBUG builds (7c89999 Azat Khuzhin)
+   o http: fix leaking of response_code_line (8f18a62 Azat Khuzhin)
+   o http: fix "Expect: 100-continue" client side (0b46b39 Azat Khuzhin)
+   o http: fix conflicts EVHTTP_CON_AUTOFREE and EVHTTP_CON_REUSE_CONNECTED_ADDR (4dc0979 Azat Khuzhin)
+   o http: avoid epoll_ctl() on already closed fd (triggers by http/chunk_out) (ab3bc69 Azat Khuzhin)
+   o http: install timeout for read too during connect for ssl (040000d Azat Khuzhin)
+   o http: fix evhttp_request_own() by checking EVHTTP_USER_OWNED in more cases (b0d3964 Azat Khuzhin)
+   o http: fix detecting EOF without write (7ed02ac Azat Khuzhin)
+   o evhttp: Fix failure to send all output data for POST/PUT requests (24eea0d John Ohl)
+   o Fix evhttp_uriencode() regression. (c6b1ec1 Mark Ellzey)
+   o removed unused vars (e94250c Mark Ellzey)
+   o pointer overflow checks for evhttp_uriencode (72afe4c Zonr Chang)
+
+ Bugfixes (evbuffers)
+   o buffer: fix overflow check in evbuffer_expand_singlechain() (a3f4ccd Azat Khuzhin)
+   o buffer: evbuffer_add_buffer(): clean empty chains from destination buffer (26fd932 Azat Khuzhin)
+   o Fix n_add_for_cb in evbuffer_prepend() in case of new buffer required (0abd039 Azat Khuzhin)
+   o be_filter: actually disable output_filter during processing output (c031215 Simon Perreault)
+   o evbuffer_add: Use last_with_datap if set, not last. (a8769ef Marcus Sundberg)
+   o EVBUFFER_PTR_SET -> EVBUFFER_PTR_ADD (8674e4f jer-gentoo)
+
+ Bugfixes (evconnlistener)
+   o listener: unlock lev on error in listener_read_cb() (2a71b33 Azat Khuzhin)
+   o Fix potential fd leak in listener_read_cb() (a695a72 Mark Ellzey)
+
+ Testing
+   o tests: use waitpid(..., WNOWAIT) to fix failing of main/fork under solaris (43eb56c Azat Khuzhin)
+   o test: replace sleeping with syncing pair in main/fork (16d220c Azat Khuzhin)
+   o test/http: do not run tests that based on backlog filling (freebsd) (500b6b7 Azat Khuzhin)
+   o test/bufferevent/iocp: fix test name for "bufferevent_connect_fail_eventcb" (4410e9d Azat Khuzhin)
+   o test/ssl: use send()/recv()/EVUTIL_ERR_RW_RETRIABLE()/EVUTIL_SOCKET_ERROR() to fix win32 (a9e8cd6 Azat Khuzhin)
+   o test/https_basic: increase timeout for complete write (fixes win32) (d5a2f2f Azat Khuzhin)
+   o test: fix building with --disable-thread-support under win32 (a487706 Azat Khuzhin)
+   o test/buffer: evbuffer_add_buffer() with empty chains (a272bc4 Azat Khuzhin)
+   o test/buffer: evbuffer_remove_buffer() with empty chains (prepend) (f0cfa14 Azat Khuzhin)
+   o test/buffer: evbuffer_remove_buffer() with empty chains (evbuffer_add_buffer()) (2880ce6 Azat Khuzhin)
+   o test/buffer: cover evbuffer_expand() for overflow (48dab7a Azat Khuzhin)
+   o test/be_filter: creating test case for data stuck with active watermarks (766194b Eduardo Panisset)
+   o test/http: avoid using conditionals with omitted operands (fixes VS2015) (2a4bf29 Azat Khuzhin)
+   o test/http: don't mix declarations and code (fixes -Wdeclaration-after-statement) (aabf1c2 Azat Khuzhin)
+   o test/buffer: fix leak in test_evbuffer_prepend() (c08d90b Azat Khuzhin)
+   o test/buffer: avoid errors with --no-fork (reinitialize static vars) (e7d1e39 Azat Khuzhin)
+   o test/buffer: cover n_add_for_cb when evbuffer_prepend() need to allocate buffer (e77ff41 Azat Khuzhin)
+   o test/tinytest_macros: add new one tt_nstr_op() (bd19a28 Azat Khuzhin)
+   o test/bufferevent: check that output_filter disabled during processing output (ae28812 Azat Khuzhin)
+   o test/listener: regression for missing unlock in listener_read_cb() (7d85651 Azat Khuzhin)
+   o test/regress: add tests for evbuffer_add() breakage on empty last chain (d5ee739 Marcus Sundberg)
+   o test/http: fix running some tests sequential (with --no-fork) (bddad71 Azat Khuzhin)
+   o test/http: localize evhttp server structure (cbc3209 Azat Khuzhin)
+   o test/dns: regression for empty hostname (d7348ba Azat Khuzhin)
+   o test/http: fix SERVER_TIMEOUT tests under win32 (d49a658 Azat Khuzhin)
+   o test/http: add a helper for creating timedout/failed request (376f107 Azat Khuzhin)
+   o test/http: adopt for C90 (mixed code and declarations) (d02a285 Azat Khuzhin)
+   o test/http: cover NS timed out during request cancellations separatelly (0c343af Azat Khuzhin)
+   o test/http: request cancellation with resolving/{conn,write}-timeouts in progress (334340d Azat Khuzhin)
+   o test/http: exit from the loop in the errorcb to wait cancellation (927ab33 Azat Khuzhin)
+   o regress_clean_dnsserver(): reset global port vars (351207f Azat Khuzhin)
+   o test/http: read_on_write_error: fix it for win32 (3b58169 Azat Khuzhin)
+   o test/http: separate coverage for EVHTTP_CON_READ_ON_WRITE_ERROR (5c2b4c1 Azat Khuzhin)
+   o test/http: cover "Expect: 100-continue" client-server interaction (31d8116 Azat Khuzhin)
+   o test/http: *lingering tests shouldn't have "Expect: 100-continue" (ed469ab Azat Khuzhin)
+   o test: use EVUTIL_SHUT_WR (04fc82f Azat Khuzhin)
+   o test/http: avoid huge stack allocations to fix win32 builds (3166765 Azat Khuzhin)
+   o test: http/lingering_close: cover EVHTTP_SERVER_LINGERING_CLOSE (e122ca1 Azat Khuzhin)
+   o test: http/non_lingering_close: cover ~EVHTTP_SERVER_LINGERING_CLOSE (f41e1b0 Azat Khuzhin)
+   o test: http/*: update expected HTTP codes for body exceeds `max_body_size` (addf2b9 Azat Khuzhin)
+   o test: http/data_length_constrains: set EVHTTP_CON_READ_ON_WRITE_ERROR (d38a723 Azat Khuzhin)
+   o test: increase buffer size for http/data_length_constraints to trigger EPIPE (0792e1e Azat Khuzhin)
+   o test/tinytest_demo: include <windows.h> for win32 to fix tdm-gcc (f062bbe Azat Khuzhin)
+   o test/regress: cover event_del() waiting mechanism (5b58b70 Azat Khuzhin)
+   o test/regress: cover existing signal callbacks and fork() + event_reinit() (ceddc60 Azat Khuzhin)
+   o test/regress: cover signals after fork() + event_reinit() (b075b81 Azat Khuzhin)
+   o test/regress: main/fork: rewrite assertions by just removing event in callback (088d8b3 Azat Khuzhin)
+   o test/dns: check exit code of evdns_getaddrinfo() (0b9d432 Azat Khuzhin)
+   o test/dns: cover evdns_getaddrinfo() and evdns_base_free() with @fail_requests (4ad3483 Azat Khuzhin)
+   o test/dns: cover @fail_requests for evdns_base_free() (d6c6fb4 Azat Khuzhin)
+   o test/dns: more graceful coverage of @fail_requests (123d372 Azat Khuzhin)
+   o test/ssl: cover busy-loop (i.e. {read,write}-blocked-on-{write,read} stuff) (da0ea7a Azat Khuzhin)
+   o test/http: write_during_read for https (23c77b6 Azat Khuzhin)
+   o test/http: connection_fail for https (7ea26f7 Azat Khuzhin)
+   o test/http: stream_out for https (ac04968 Azat Khuzhin)
+   o test/http: chunk_out for https (a71ffb9 Azat Khuzhin)
+   o test/regress: fix ssl-less builds (need to make this prettier) (3160716 Azat Khuzhin)
+   o test/http: allow dirty shutdown for ssl to fix https_incomplete (1ede326 Azat Khuzhin)
+   o test/http: https basic (59714b4 Azat Khuzhin)
+   o test/http: incomplete{,_timeout} for https (615490d Azat Khuzhin)
+   o test/http: add simplest test for http/https/https_dirty_shutdown (93b19dc Azat Khuzhin)
+   o test/http: https: retry coverage (7c2d24a Azat Khuzhin)
+   o test/http: https server support (plus some helpers) (a7088ad Azat Khuzhin)
+   o test/http: more sanity checks (a27c53c Azat Khuzhin)
+   o test/ssl: export getkey()/getcert()/get_ssl_ctx()/init_ssl() for https (0c4c387 Azat Khuzhin)
+   o test/regress_be: basic coverage bufferevent_flush() for pair/sock layers (ad52602 Azat Khuzhin)
+   o test/regress_be: socket_filter_inactive: check bufferevent after creation (f8081af Azat Khuzhin)
+   o test/regress_be: cover finalizers from inactive to active queue (337684b Azat Khuzhin)
+   o test/regress_buffer: fix clang compilation warnings (d8fd4c0 Azat Khuzhin)
+   o test/regress_http: fix compilation warnings (-Wmissing-field-initializers) (cd422e0 Azat Khuzhin)
+   o test/regress_dns: fix compilation warnings (-Wmissing-field-initializers/for) (f55db98 Azat Khuzhin)
+   o tests/regress_dns: cover that randomize-case works case-insensitive (1e8bfbc Azat Khuzhin)
+   o test: fix bufferevent/bufferevent_pair_release_lock in debug mode (3f749e9 Azat Khuzhin)
+   o test: fix bufferevent/bufferevent_pair_release_lock for freebsd (79f9ace Azat Khuzhin)
+   o test/regress_be: bufferevent_enable() shouldn't call eventcb by it's own (a0f308d Azat Khuzhin)
+   o test/regress_be: introduce fake_listener_create() (37dc9e0 Azat Khuzhin)
+   o test/regress_http: cover evhttp_request_own() (6f6fa0d Azat Khuzhin)
+   o test/regress_http: cover write during read (3d15aeb Azat Khuzhin)
+   o test/regress_http: verify that closecb will be called without multiple write (4be6c70 Azat Khuzhin)
+   o test/regress: fix bufferevent_pair_release_lock with EVENT_DEBUG_MODE (6ea6655 Azat Khuzhin)
+   o test/regress_ssl: check events fd/pending after timeout triggered (cdafdf0 Azat Khuzhin)
+   o test/regress_ssl: cover case when server didn't up (failed with timeout) (74845f1 Azat Khuzhin)
+   o test/regress_ssl: covert that we can't change fd with underlying (df507af Azat Khuzhin)
+   o test/regress_ssl: cover that events (read/write) at finish not pending (762edb4 Azat Khuzhin)
+   o test/regress_ssl: cover fd manipulations (b78a829 Azat Khuzhin)
+   o test/regress_ssl: convert open_ssl_bufevs() to mask (46bba73 Azat Khuzhin)
+   o test/regress_ssl: convert client/server to mask too (3455991 Azat Khuzhin)
+   o test/regress_ssl: cover "allow_dirty_shutdown" (0430327 Azat Khuzhin)
+   o test/regress_ssl: convert regress_bufferevent_openssl() to bitmask (342e116 Azat Khuzhin)
+   o tests/regress_ssl: drop duplicated assert (25e56fd Azat Khuzhin)
+   o test/regress_http: initialize "dns_base" to avoid reading trash (9f0bff3 Azat Khuzhin)
+   o test/http: cover retrying with saved conn_address by shutting down dns server (f4874d8 Azat Khuzhin)
+   o be_pair/regress: cover use of shared lock (lock/unlock/free) (a558fcd Azat Khuzhin)
+   o regress_dns: drop hack for event_debug_map_HT_GROW in leak tests (3540a19 Azat Khuzhin)
+
+ Sample code
+   o Fix memory leak in signal-test.c (666db91 basavesh.as)
+   o sample/hello-world: exAmple, not eXMple (2d3cd35 kirillDanshin)
+   o dns-example: allow to set ns from args (df19a97 Azat Khuzhin)
+   o dns-example: convert to getopt() (32f8592 Azat Khuzhin)
+   o http-connect: make it win32 compilable (1bf7595 Azat Khuzhin)
+   o sample/https-client: allow to change path to ca-certificates (fdf713a Azat Khuzhin)
+   o sample/https-client: check for ERR_remove_thread_state() existence (c4e9d9b Azat Khuzhin)
+   o sample/https-client: replace ERR_remove_state() by ERR_remove_thread_state() (77ad68a Azat Khuzhin)
+   o sample/https-client: add -timeout option (4637aa8 Azat Khuzhin)
+   o sample/https-client: don't try to free uninitialized SSL (f3d7ff5 Azat Khuzhin)
+   o sample/https-client: graceful exit with freeing memory (to make valgrind happy) (24a1f25 Azat Khuzhin)
+   o https-client: correctly handle URLs with no path (like "https://host:port") (29a0482 Andrey Skriabin)
+   o sample/http-connect: don't use assert() to make it work with NDEBUG (6dc71e7 Azat Khuzhin)
+   o sample/http-connect: made it compatible with C90 (f976d43 Azat Khuzhin)
+   o sample: add HTTP CONNECT tunnelling example using libevent http layer (1d34498 Azat Khuzhin)
+   o Update dns-example. (620ff24 Mark Ellzey)
+
+ Documentation
+   o Update README.md (b8ec70c Mark Ellzey)
+   o Update README.md (80faee9 Mark Ellzey)
+   o Update README.md (ad4a897 Mark Ellzey)
+   o Update README.md (a2b2e1e Mark Ellzey)
+   o Update README.md (0dfa5dc Mark Ellzey)
+
+ Code Improvements (evthread)
+   o evthread: add evthread_get_{lock,condition}_callbacks() helpers (c0b34f6 Azat Khuzhin)
+
+ Code Improvements (core)
+   o util: make @sa const for evutil_socket_connect_() (a8d32c2 Azat Khuzhin)
+
+ Code Improvements (http)
+   o http: assert's that evbuffer_drain() success on connection reset (2185e63 Azat Khuzhin)
+   o http: introduce evhttp_request_free_() helper (22061ac Azat Khuzhin)
+   o http: introduce evhttp_is_request_connection_close() helper (6540da3 Azat Khuzhin)
+
+ Code Improvements (bufferevents)
+   o be_sock: bufferevent_socket_set_conn_address(): assert instead of silent no-op (0ab88c2 Azat Khuzhin)
+   o be_sock: sanity check in bufferevent_socket_set_conn_address() (eedbeff Azat Khuzhin)
+   o be: replace sockaddr_storage with sockaddr_in6 for conn_address (3889612 Azat Khuzhin)
+   o be: replace conn_address by full struct instead of pointer (e5615aa Azat Khuzhin)
+   o bufferevent: move conn_address out from http into bufferevent (8bb3842 Azat Khuzhin)
+   o be: make @sa const for bufferevent_socket_connect() (dc33c78 Azat Khuzhin)
+
+ Cleanups (core)
+   o Refactoring conditional directives that break parts of statements. (4b41eeb lzmths)
+   o epoll: introduce PRINT_CHANGES() macro to avoid copy-pasting (a1b142b Azat Khuzhin)
+   o tab (6e7a580 Greg Hazel)
+
+ Cleanups (evbuffers)
+   o buffer_compat: fix comment -- we have EVBUFFER_EOL_ANY not EOL_STYLE_ANY (575ff67 Azat Khuzhin)
+
+ Cleanups (bufferevents)
+   o be_sock: evutil_getaddrinfo_async_() always return 0 (dbff101 Azat Khuzhin)
+   o be_sock: drop be_sock_add() macro (useless and debug unfriendly) (fad5fe2 Azat Khuzhin)
+   o be: introduce bufferevent_generic_adj_existing_timeouts_() (3c1f58f Azat Khuzhin)
+   o be: add_event: use evutil_timerisset() (a96b73b Azat Khuzhin)
+   o be_openssl: introduce be_openssl_auto_fd() helper (2a8a711 Azat Khuzhin)
+   o be_openssl: introduce set_open_callbacks_auto() (510da71 Azat Khuzhin)
+
+ Cleanups (http)
+   o http: make fallback for EVHTTP_CON_READ_ON_WRITE_ERROR more cleaner (d405492 Azat Khuzhin)
+   o http: coding style issue (365f181 Azat Khuzhin)
+
+ Cleanups (evdns)
+   o evnds: inline TEST_NAME macro to make debuggin easier (0c615f4 Azat Khuzhin)
+
+ Portability Fixes
+   o [#372] check for errno.h (3031617 Mark Ellzey)
+   o Fixed Unicode issue in error messages. (e8b7895 Mattes D)
+   o Assume that ke_udata is an integer type on CloudABI. (5602e45 Ed Schouten)
+   o Add missing include of <netinet/in.h>. (b2c68bc Ed Schouten)
+   o Include <sys/ioctl.h>, <sys/resource.h> and <sys/wait.h> optionally. (c1404b5 Ed Schouten)
+   o Test against SO_REUSEADDR (along with _WIN32). (ce1776c Ed Schouten)
+   o Always define missing TAILQ functions from sys/queue.h (2828bdb Christopher Wiley)
+   o Don't use BSD u_* types. (fd36647 Ed Schouten)
+   o Remove BSD-ism: TIMEVAL_TO_TIMESPEC(). (193c7de Ed Schouten)
+   o be: include all variations of headers for sockaddr_in6 struct (c212291 Azat Khuzhin)
+   o be: fix sockaddr_in6 type definition for win32 (c42bc6b Azat Khuzhin)
+
+ Continious Integration:
+   o travis: split long lines, and make it cleaner (685a6a1 Azat Khuzhin)
+   o travis: fix autotools on osx by reinstalling libtool (088ea5e Azat Khuzhin)
+   o appveyor/autotools: link with openssl by passing LDFLAGS/CFLAGS (6fcfa25 Azat Khuzhin)
+   o appveyor: image already had openssl installed (4634b85 Azat Khuzhin)
+   o appveyor: check -DUNICODE -D_UNICODE according to ReleaseChecklist (cmake only) (e9acc44 Azat Khuzhin)
+   o appveyor: ignore failure of mingw-get (1810857 Azat Khuzhin)
+   o appveyor: drop shallow_clone, since we use tags for detecting version in cmake (ac90133 Azat Khuzhin)
+   o appveyor: support cmake & autotools using build matrix (like travis-ci has) (8f95015 Azat Khuzhin)
+   o travis-ci/osx: relink gcc/g++ instead of clang (481481d Azat Khuzhin)
+   o travis-ci: enable multi-os mode (osx, linux) (79917e4 Azat Khuzhin)
+   o travis-ci: increase matrix (--disable-foo) (59649f7 Azat Khuzhin)
+   o travis-ci: adjust alignment (c8be339 Azat Khuzhin)
+   o travis: add builds without debug mode into matrix (3e56da2 Azat Khuzhin)
+   o test: run regress with EVENT_DEBUG_MODE=1 and without (cf2cf2a Azat Khuzhin)
+   o Update travis config for status updates (37453ab Mark Ellzey)
+   o Use autotools for appveyor until cmake is fixed. (1cc2e29 Mark Ellzey)
+   o Fix the link for appveyor OpenSSL installer (WIN32) (107d565 Mark Ellzey)
+   o Forgot to install OpenSSL for appveyor (26164a5 Joakim Söderberg)
+   o Add support for appveyor.com windows CI (5f89c37 Joakim Söderberg)
+
+ Build Improvements/Fixes:
+   o evutil: mark ai_find_protocol() static (prototype-less) (5a157c8 Azat Khuzhin)
+   o cmake/solaris: set CMAKE_REQUIRED_LIBRARIES to fix functions detections (dc95823 Azat Khuzhin)
+   o cmake/solaris: fix building (link with socket,nsl) (050bfc7 Azat Khuzhin)
+   o cmake: check for ZLIB_INCLUDE_DIR, since we can have only library without headers (c4dfb93 Azat Khuzhin)
+   o autotools/win32: fix searching ssl library (671a24f Azat Khuzhin)
+   o cmake/win32: do not compile regress_thread on -DEVENT__DISABLE_THREAD_SUPPORT=ON (de0c196 Azat Khuzhin)
+   o cmake/win32: do not compile evthread_win32 on -DEVENT__DISABLE_THREAD_SUPPORT=ON (ecb0ec8 Azat Khuzhin)
+   o cmake: fix -DEVENT__ENABLE_VERBOSE_DEBUG (typo on -DUSE_DEBUG) (e35f224 Azat Khuzhin)
+   o cmake: do not use stderr for notifications/version-info (38716c6 Azat Khuzhin)
+   o autoconf: fix --disable-thread-support build under win32 (bb09535 Azat Khuzhin)
+   o buffer: don't mix code and declarations (8892f4c Azat Khuzhin)
+   o Update gitignore file to ignore cscope gen'ed files (0aaa4fb Neeraj Badlani)
+   o For non GCC/clang on OSX the -Wno-deprecated-declarations may not be valid (b5ca365 Rainer Keller)
+   o automake: define serial-tests only if automake have this option (61179de Azat Khuzhin)
+   o test/automake: don't use paralell test harness (since automake 1.12) (44d755e Azat Khuzhin)
+   o Ignore all pkgconfig generated stuff (ce38993 Azat Khuzhin)
+   o libevent_core and libevent_extra also deserve a pkgconfig file (b8d7c62 Jan Heylen)
+   o Ignore verify_tests.bat (win32 version) (0f2de10 Azat Khuzhin)
+   o cmake: require 3.1 only for win32 to make it work under ubunty precise (87f7238 Azat Khuzhin)
+   o cmake: require at least 3.1 for target_sources() (c46ead5 Azat Khuzhin)
+   o cmake: fix adding of compiler flags, and now it will (36588e1 Azat Khuzhin)
+   o Replace -Wswitch-enum with -Wswitch, and add it into cmake rules too (f29f59e Azat Khuzhin)
+   o test/regress_ssl: Fix compile problems for win32 (73d0360 Trond Norbye)
+   o util: fix "%zu" format on TDM-gcc/MinGW-w64 (79b69d8 Azat Khuzhin)
+   o cmake: don't define EVENT__NEED_DLLIMPORT always (fixes VS2013 static build) (49bd790 Azat Khuzhin)
+   o Add missing return statement to del_wait_thread so libevent can build. (4f778ab Nick Mathewson)
+   o cmake: fix building dns-example under win32 (missing getopt) (a1609a8 Azat Khuzhin)
+   o visibility: align it to make it more readable (bb6b53d Azat Khuzhin)
+   o cmake: Fix detection of ssize_t/SSIZE_T (7707f6b Azat Khuzhin)
+   o Ignore more configure stuff (configure.lineno) (8d34302 Azat Khuzhin)
+   o Fixed issue with cmake version generation (d56efd9 Mark Ellzey)
+   o Cmake is now officially working. (7f9646d Mark Ellzey)
+   o More cmake updates, lot's of missing definitions (49a5381 Mark Ellzey)
+   o CMake syntax fixes fo .in files (6aad23d Mark Ellzey)
+   o Revert "The Windows socket type is defined as SOCKET." (a264da8 Mark Ellzey)
+   o CMAKE CMAKE CMAKE CLEANUPS (a9db46a Mark Ellzey)
+   o Lot's of cmake updates (8b228e2 Mark Ellzey)
+   o Provide a mechanism for building the library on Windows with different compiler flags. Add a batch file that builds it for the M[DT][d] options and performs a hunt and gather of the different output libraries. (ded8086 billsegall)
+   o The Windows socket type is defined as SOCKET. (c9e6c3d billsegall)
+   o autotools: fix getservbyname() detection (959a4c2 Azat Khuzhin)
+   o Add missing <string.h> for openssl_hostname_validation module (3316a21 Azat Khuzhin)
+   o make test/regress_ssl.c compile without warnings (9f02a44 Thomas Bernard)
+   o test/regress_be: drop debug __asm__(int3) to fix arm build (8240379 Azat Khuzhin)
+   o event_debug_created_threadable_ctx_: fix compilation without debug mode (a068f2e Azat Khuzhin)
+   o Add a prototype for event_disable_debug_mode() (bfcedee Sebastian Hahn)
+   o http: eliminate warning about "socklen" in evhttp_connection_connect_() (dfad1a4 Azat Khuzhin)
+   o Updated gitignore (1dbb55d Mark Ellzey)
+   o Update bench_httpclient.c (cb96931 Seungmo Koo)
+   o *fix: bench_httpclient to support win32 (4e9325e zeliard)
+   o Commented out a WIN32 threading / timing test for now (e84e269 Mark Ellzey)
+   o Fix mixed declarations and code (forbidden by ISO C90) (0c7f217 Thomas Bernard)
+   o Fix "function declaration isn’t a prototype" (746d2c5 Thomas Bernard)
+   o This fixes a bug introduced in 27bd9faf498b91923296cc91643e03ec4055c230 (19ba454 Joakim Söderberg)
+   o changed strtotimeval signature as per #211 (bdbc823 Xiao Bao Clark)
+   o Added cmake-generated files to ignore list. (6c12bfe Matyas Dolak)
+   o Ignore `make dist` generated files (8a2c6c7 Azat Khuzhin)
+
+  Debugging
+   o Debug mode option to error on evthread init AFTER other event calls. (dcfb19a Mark Ellzey)
+
+
+
+Changes in version 2.1.5-beta (5 January 2015)
+
+ Security Fixes (evbuffers)
+   o Avoid integer overflow bugs in evbuffer_add() and related functions.  See CVE-2014-6272 advisory for more information. (d49bc0e88b81a5812116074dc007f1db0ca1eecd)
+
+ New APIs (evconnlistener)
+   o Provide support for SO_REUSEPORT through LEV_OPT_REUSABLE_PORT (b625361 Maciej Soltysiak)
+
+ Bugfixes (core)
+    o Fix use-after-free error in EV_CLOSURE_EVENT callback (3cc0eac John Ohl)
+    o Fix race caused by event_active (3c7d6fc vjpai)
+
+ Bugfixes (evbuffer)
+   o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (ba59923)
+   o Consistently check for failure from evbuffer_pullup() (60f8f72)
+   o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a)
+
+ Bugfixes (windows, IOCP)
+   o be async: avoid double close() (f133b86 Azat Khuzhin)
+
+ Bugfixes (bufferevents)
+   o Fix issue #127, double free for filterevents that use BEV_OPT_CLOSE_ON_FREE (2c82aa0 John Ohl)
+   o make bufferevent_getwatermark api more robust (a21e510 ufo2243)
+   o [Bugfix] fix bufferevent setwatermark suspend_read (b34e4ac ufo2243)
+   o bufferevent_openssl: reset fd_is_set when setfd with -1 is called (3da84c2 Azat Khuzhin)
+   o Fix compilation for older OpenSSL versions. (5c7282f Joakim Soderberg)
+
+ New APIs (evhttp)
+   o Add evhttp_connection_set_family() to set addrinfo->family for DNS requests (12c29b0 Azat Khuzhin)
+   o Implement interface that provides the ability to have an outbound evhttp_connection free itself once all requests have completed (2b9ec4c,10fe4f John Ohl)
+
+ New APIs (core)
+   o Implement new/free for struct evutil_monotonic_timer and export monotonic time functions (f2645f8 Andrea Shepard)
+
+ Bugfixes (evdns)
+   o Load hosts file on Windows. (a0b247c Vilmos Nebehaj)
+   o Don't truncate hosts file path on Windows. (d0dc861 Vilmos Nebehaj)
+   o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749)
+   o evdns: avoid read-after-free in evdns_request_timeout_callback() (61262a0 Azat Khuzhin)
+   o Correctly handle allocation failures in evdns_getaddrinfo (6a53d15)
+   o evdns: fix EVDNS_BASE_DISABLE_WHEN_INACTIVE in case retransmit/retry (74d0eee Azat Khuzhin)
+   o evdns: add retry/reissue tests for EVDNS_BASE_DISABLE_WHEN_INACTIVE (3ca9d43 Azat Khuzhin)
+   o evdns: fail ns after we are failing/retrasmitting request (97c750d Azat Khuzhin)
+
+ Bugfixes (evhttp)
+   o http: reset connection before installing retry timer (fix http retries handling) (bc79cc5 Azat Khuzhin)
+
+
+ Testing
+   o regress_dns: fix leaks in getaddrinfo_async{,_cancel_stress} tests (2fdc5f2 Azat Khuzhin)
+   o test: add family argument for http_connection_test_() (177b8a7 Azat Khuzhin)
+   o test: add regress for evhttp_connection_set_family() with AF_INET and AF_UNSPEC (42aefeb Azat Khuzhin)
+   o test/http: add regress test for set family to AF_INET6 (3fbf3cc Azat Khuzhin)
+   o Update to a more recent tinytest_macros. (8da5a18)
+   o test/regress: add simplestsignal: to track reorder bugs separately (b897bef Azat Khuzhin)
+   o test/evbuffer_peek: add regress in case we have first buffer greater (e2d139d Azat Khuzhin)
+   o More evbuffer_peek() test cases (154006a)
+   o use correct tt macro for pointer compare (08c88ea)
+   o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov)
+   o Fix a use-after-free in unit tests. CID 752027 (3739057)
+   o Fix a dead-code warning in unit tests. CID 1193548 (c119f24)
+   o Use evutil_weakrand() in unit tests. (a677b72, 364c110)
+   o Use a more precise calculation for max in time-ratelim.c (ca5b5c7)
+   o Make a buffer larger in the tests to avoid a scary evbuffer_copyout_from() (fb57b8b)
+   o Fix several memory leaks in the unit tests. (89c1a3b)
+   o Add test for evhttp_connection_free_on_completion (b0e9924 John Ohl)
+   o Fix annoying heisenbug in test-time.c (cb73704)
+
+ Sample code
+   o Make http-server.c output into good html5 (6d72bdc)
+   o Use FindClose for handle from FindFirstFile in http-server.c (6466e88)
+   o https-client: add -retries argument, for connection retries (d9da844 Azat Khuzhin)
+
+ Bugfixes (build)
+   o Add missing headerfile for cmake (15d90cc Trond Norbye)
+   o ignore one more test binary (b6593aa Michael Richardson)
+   o ignore config.cache/test-driver files (c83f333 Mike Frysinger)
+   o add a --disable-samples configure flag (0c492b3 Mike Frysinger)
+   o Add a few files created by "make verify" to .gitignore. (1a8295a Pierre Phaneuf)
+   o updates in cmake build (27bd9fa Sergey Nikulov)
+   o Fix cmake error when the Module path has more than one entry. (befbd13 Acer Yang)
+   o Fix CMake shared library build (e69d910 Nobuaki Sukegawa)
+   o Fix warnings when compiling with clang 3.5 (f5b4765 John Ohl)
+   o Fix mixed declarations and code (forbidden by ISO C90) (8afbdbc Thomas Bernard)
+
+ Bugfixes (miscellaneous)
+   o tree.h: drop duplicated content of tree.h (6193187 Azat Khuzhin)
+   o evdns: disable probing with EVDNS_BASE_DISABLE_WHEN_INACTIVE (610410b,ad0493e,fea86a6,d83b337,5ca9e97 Azat Khuzhin)
+   o [Bugfix] fix grammer error (3a4d249 ufo2243)
+   o Change return type of evutil_load_windows_system_library_ to HMODULE (f691389)
+   o Fix a c90 warning (76643dd)
+   o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff)
+   o remove trailing comma from enum (b361b8a Jean-Philippe Ouellet)
+
+ Bugfixes (FreeBSD)
+   o Handle ENOTCAPABLE from FreeBSD - this is returned if an event in the changelist is for an FD that has been closed. (6fd7394 Adrian Chadd)
+
+
+
+Changes in version 2.1.4-alpha (21 Mar 2014)
+
+ Libevent 2.1.4-alpha adds a number of new miscellaneous APIs to make
+ Libevent more useful, including support for early close detection with
+ epoll via EPOLLRDHUP, triggering bufferevent callbacks, adding more
+ evhttp callbacks, and more. There are also numerous bugfixes, including
+ a number for finalize-related issues from 2.1.3-alpha; and an
+ alternative (non-primary!) cmake-based build mechanism.
+
+ New APIs (core)
+   o Added event_base_get_num_events() (0fa107d Mobai Zhang)
+   o New event_base_active_by_fd API (865a142 Greg Hazel, 5c9da9a, 87fa2b0)
+   o Add event_base_active_by_signal by analogy (4865943)
+   o Add access to max event count stats (5173bef, efbd3dc, 26230a2
+     Andrew Sweeney)
+   o Implemented EV_CLOSED event for epoll backend
+     (EPOLLRDHUP). (b1b69ac Diego Giagio, 53d2793, 43ffcf6, dfe1e52
+     Marcin Juszkiewicz, ff26633 Joakim Soderberg, 3908a5e)
+
+ New APIs (evutil_secure_rng)
+   o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
+
+ New APIs (bufferevents)
+   o Add function to fetch underlying ratelimit cfg (4b3d5af Mark Ellzey)
+   o Pass and return const for bufferevent_get_token_bucket_cfg (1c77fbb
+     Mark Ellzey)
+   o Add watermark introspection (4ce242b Ondřej Kuzník)
+   o Add an option to trigger bufferevent I/O callbacks (61ee18b Ondřej Kuzník)
+   o Add an option to trigger bufferevent event callbacks (a7384c7
+     Ondřej Kuzník)
+   o Clarifications in response to merge req. comments (bd41947 Ondřej
+     Kuzník)
+   o Minor optimizations on bufferevent_trigger options (a3172a4)
+
+ New APIs (evhttp)
+   o Add evhttp_connection_get_server(). (a7f82a3 Maxime Henrion)
+   o add a http default content type option (5a5acd9 Nicolas Martyanoff)
+   o http: implement new evhttp_connection_get_addr() api. (0c7f040 Azat
+     Khuzhin)
+   o Add a variant of evhttp_send_reply_chunk() with a callback on
+     evhttp_write_buffer() (8d8decf Julien BLACHE)
+   o Allow registering callback for parsing HTTP headers (b0bd7fe Balint Reczey)
+   o Provide on request complete callback facility (b083ca0 Andrew Sweeney)
+   o evhttp_request_set_on_complete_cb to be more specific about what
+     the function actually does and usage (da86dda Andrew Sweeney)
+   o Update unit test to make sure that the callback happens after the
+     output data is written (b85f398 Andrew Sweeney)
+
+ Features (evdns)
+   o bug fix for issues #293 evdns_base_load_hosts doesn't remove
+     outdated addresses (954d2f9, f03d353, 45eba6f Kuldeep Gupta)
+
+ Features: (cmake build support)
+   o Initial CMake commit. (e415196 Joakim Soderberg)
+   o Add all tests and benchmarks to CMake project. (e9fc014 Joakim Soderberg)
+   o More work on adding tests to CMake project (99c1dc3 Joakim Soderberg)
+   o Generate a dummy evconfig-private.h so things build
+     properly. (ce14def Joakim Soderberg)
+   o Link libm on unix platforms. (58fcd42 Joakim Soderberg)
+   o Added some GCC specific options. (19222e5 Joakim Soderberg)
+   o Use evutil_closesocket instead. (dbf2b51 Joakim Soderberg)
+   o Add copyright and licensing files for CMake modules. (c259d53
+     Joakim Soderberg)
+   o Only include WIN32 getopt where it is used. (9bbce0b Joakim Soderberg)
+   o Fix bench_cascade program on Windows. (78da644 Joakim Soderberg)
+   o Don't segfault on no found event backend. (8f2af50 Joakim Soderberg)
+   o Only test the event backends available on the system. (7ea4159
+     Joakim Soderberg)
+   o Added a "make verify" target. (e053c4f Joakim Soderberg)
+   o Fix the make "verify" target on Windows. (67e5d74 Joakim Soderberg)
+   o Get rid of deprecation warnings for OpenSSL on OSX 10.7+ (69c3516
+     Joakim Söderberg)
+   o Fix kqueue support. (a831f2f Joakim Söderberg)
+   o Added a test for testing if kqueue works with pipes. (2799b35
+     Joakim Söderberg)
+   o Change the BSD license from 4 to 3-clause. (86df3ed Joakim Soderberg)
+   o Minimum required python version is 2.4. (968e97b Joakim Soderberg)
+   o Get rid of unknown pragma warnings. (0ef1d04 Joakim Soderberg)
+   o Add a "make verify_coverage" target generation coverage
+     info. (f2483f8 Joakim Soderberg)
+   o Fix the "make verify" target on NetBSD (4ac086a Joakim Soderberg)
+   o Only look for ZLib when it is used (if tests are
+     included). (f780593 Joakim Soderberg)
+   o Added EVENT__ENABLE_GCC_WARNINGS, turns all warnings into
+     errors. (dd413bd Joakim Soderberg)
+   o Add CMake config and install targets. (f3446ed Joakim Soderberg)
+   o Fix typo (4b754df Joakim Soderberg)
+   o Some work on making it possible to simply do add_subdirectory() on
+     the project. (49ab363 Joakim Soderberg)
+   o Set USE_DEBUG=1 on EVENT__ENABLE_VERBOSE_DEBUG (fd42e70 Joakim Soderberg)
+   o Fix so that old nmake project still builds. (24d6466 Joakim
+     Soderberg)
+   o Rename README to README.md and use markdown to format. (d2bc39a
+     Joakim Soderberg)
+   o Update README with CMake build instructions. (604b8cc Joakim Soderberg)
+   o Clean up the README some. (8d4cb35 JoakimSoderberg)
+   o Forgotten headers for old nmake project compatability. (8697b99
+     Joakim Soderberg)
+   o Change all uses of WIN32 to _WIN32 (4e14395 Joakim Söderberg)
+   o Fix include bug. (2024467 Joakim Söderberg)
+   o Check if we're on OSX before disabling deprecation in le-proxy
+     (8b40a5b Joakim Söderberg)
+   o Fix broken autotools build. (ae1bd82 Joakim Söderberg)
+   o Disclaimerize cmake a little in the README (d03b5bf)
+   o Fix CMake compile when OpenSSL is disabled. (e423d42 Joakim
+     Söderberg)
+   o CMake: Get rid of python not found warning when regress tests
+     turned off. (d38d798 Joakim Söderberg)
+   o Fix https-client compilation on Windows. (d7be788 Joakim Soderberg)
+   o Guard against EVENT_NOWIN32 being set during testing. (f1715b4
+     Joakim Soderberg)
+   o Check for OSX when checking for clang. (e212c54 Joakim Soderberg)
+   o Added a Travis-CI configuration file. (8c0f0a9 Joakim Soderberg)
+   o Added -Qunused-arguments for clang on macosx (ed99d92 Trond Norbye)
+   o Rename event_extras to event_extra (a0dd5df Trond Norbye)
+   o Add option to build shared library (4545fa9 Trond Norbye)
+   o Add -Qunused-arguments for clang on macos (b56611d Trond Norbye)
+   o Add cmake-related files to .gitignore (e061321 Trond Norbye)
+   o Export event_extra not event_extras. (2b41bcf Joakim Söderberg)
+
+ Bugfixes (core)
+   o If evsel->del() fails, don't leave the evmap in an inconsistent
+     state (9b5a527 Maxime Henrion)
+   o Move event_debug_note_teardown_ before mm_free. (69b5c64)
+   o Check CLOCK_MONOTONIC_* at runtime if needed. (911abf3)
+   o Fix reinit of fds with EV_WRITE but not EV_READ. (ebfd8a8 maksqwe)
+   o Tweaked callbacks to prevent race condition
+     (https://github.com/libevent/libevent/issues/104) (40830f1, 2ea15ed
+     John Ohl)
+   o Move assert(ev) to before we use ev in EV_CLOSURE_EVENT_FINALIZE
+     case (9805972)
+
+ Bugfixes (evhttp)
+   o Fix a double close() bug in evhttp when the underlying bufferevent uses
+     BEV_OPT_CLOSE_ON_FREE. (31db8a0 Maxime Henrion)
+   o Fix an unlikely but possible error case for http connections (f22049e)
+   o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum)
+
+ Bugfixes on 2.0 (Windows)
+   o Use windows vsnprintf fixup logic on all windows environments (e826f19)
+   o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer)
+    (b8f5980 Frank Denis)
+
+ Bugfixes (evutil_secure_rng)
+   o When we seed from /proc/sys/kernel/random/uuid, count it as success
+     (e35b540)
+   o We should return after arc4random_buf() (1ea1f26 Makoto Kato)
+   o Avoid other RNG initialization FS reads when urandom file is
+     specified (9695e9c)
+   o Really remove RNG seeds from the stack (f5ced88)
+   o Fix another arc4random_buf-related warning (e64a2b0)
+
+ Bugfixes (bufferevents)
+   o Initialize async bufferevent timeout CBs unconditionally (af9b2a7)
+
+ Bugfixes (evdns)
+   o Checking request nameserver for NULL, before using it. (5c710c0
+     Belobrov Andrey)
+   o Fix SEGFAULT after evdns_base_resume if no nameservers
+     installed. (14971a8 Azat Khuzhin)
+   o Actually use the log facility for reporting evdns problems. (e1766a1)
+   o Fix SEGFAULT after evdns_base_resume if no nameservers
+     installed. (f8d7df8 Azat Khuzhin)
+   o fix for ServFail from RIPE Atlas release (62f596b Antony Antony)
+
+ Bugfixes (compilation)
+   o Fix test compilation with nmake: add the gdi.lib dependency (5ba8ab7)
+   o Whoops. It is gdi.lib, not gdi32.lib. (github issue #61) (8ab612e)
+   o Don't use return since return type is void and build error occurs
+     using clang (838161d Makoto Kato)
+   o Use void casts to suppress some "unchecked return value" warns (7080d55)
+   o rpcgen: Generate regress.gen.[c,h] in build rather than src dir
+     (243386c Ross Lagerwall)
+   o Fix a compiler warning when checking for arc4random_buf linker
+     breakage. (5cb3865)
+   o Fix 'make distcheck' by adding regress.gen.[ch] to DISTCLEANFILES
+    (239d834)
+
+   o Fix a c90 warning (c207682)
+   o Fix consts in WIN32-Code/getopt*.[ch] (57abb35)
+
+ Bugfixes (locks, synchronization)
+   o Missed lock acquire/release in event_base_cancel_single_callback_()
+     (d3d999a Azat Khuzhin)
+   o Fix locking in bufferevent_get_options_(). (dbc9cd4 Maxime Henrion)
+
+ Bugfixes (leaks)
+   o Avoid leaking segment mappings when offset is not a page multiple (d409514)
+
+ Testing
+   o Add tests for evdns_base_resume(). (1cd9ff5 Azat Khuzhin)
+   o Fix dns/leak_resume_send_err test. (7e876df Azat Khuzhin)
+   o Add checks for evhttp_connection_get_server() in unit
+     tests. (fbc323b Maxime Henrion)
+   o Fix a (failure-only) null dereference in the unit tests (1104d0b)
+   o Fix a logic error in test_evbuffer_freeze (7765884)
+   o Add missing check to test_evbuffer_file_segment_add_cleanup_cb (eba4506)
+   o Fix some crash-on-fail cases in DNS regression tests (87cd6f0)
+   o DNS tests: add a missing check (f314900)
+   o Finalize tests: add a missing check (82b6956)
+   o test_evutil_rtrim: add another missing check. (e193c95)
+   o regress_main: logging all if env EVENT_DEBUG_LOGGING_ALL isset
+     (611e28b Azat Khuzhin)
+   o regress_http: add tests for evhttp_connection_get_addr() (4dd500c
+     Azat Khuzhin)
+   o Update to the latest version of tinytest (7a80476)
+   o Heap-allocate zlib data structure in regress_zlib tests (4947c18)
+
+ Performance tweaks (core)
+   o Avoid redundant syscall to make a nonblocking socket nonblocking
+     (42c03da Maxime Henrion)
+   o Avoid redundant syscall if making a socket cloexec twice (1f29b18)
+   o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62)
+
+ Documentation
+   o Document that arc4random is not a great cryptographic PRNG. (6e49696)
+   o Small doxygen tweaks (6e67b51)
+   o Try another doxygen tweak (ccf432b)
+   o Clarify event_base_loop exit conditions (031a803)
+   o Fix a typo (be7bf2c Ondřej Kuzník)
+   o Document deferred eventcb behaviour (13a9a02 Ondřej Kuzník)
+   o Typo fixes from Linus Nordberg (cec62cb, 8cd695b)
+   o Fix duplicate paragraph in evbuffer_ptr documentation (58408ee)
+
+ Code Improvements (coverity)
+   o Fix a pile of coverity warnings in the unit tests (867f401)
+   o Fix coverity warnings in benchmark tools. (ff7f739)
+   o Whoops; fix compilation in bench.c (544cf88)
+   o Remove spurious checks in evrpc.c error cases (coverity) (991b362)
+   o Fix a couple of compilation warnings in regress_http.c (860767e)
+   o Fix even more coverity warnings. (d240328)
+   o Stop checking for inet_aton; we don't use it. (f665d5c)
+   o Add an include to evrpc-internal to fix openbsd compilation warning
+     (5e161c6)
+
+ Cleanups
+   o Remove an unreachable return statement in minheap-internal.h (e639a9e)
+   o Refactor evmap_{io,signal}_active_() to tolerate bad inputs (974c60e)
+   o Fix needless bufferevent includes in evdns.c (254c04e)
+   o Fix a couple of "#ifdef WIN32" instances (88ecda3)
+   o Remove unneeded declaration in bufferevent-internal.h (4c8ebcd)
+
+ Sample code
+   o le-proxy: Fail more gracefully if opening listener fails (44b2491)
+   o http-server: drop uri_root from base_url in http-server. (6171e1c Azat Khuzhin)
+   o https-client: POST supported, args supported (c5887f7 Alexey Ozeritsky)
+   o https-client: code cleanup (29af65e Alexey Ozeritsky)
+   o https-client: Small tweaks to https-client.c (90786eb)
+   o https-client: Set hostname for SNI extension (by f69m) (d1976f8)
+   o https-client: add a cast to https-client.c (462e6b6)
+
+
+
+Changes in version 2.1.3-alpha (1 May 2013)
+
+ Libevent 2.1.3-alpha fixes various bugs, adds new unit tests, and cleans
+ up the code in a couple of places. It has a new callback in evhttp for
+ reporting errors during a request, a new feature for allowing evdns to
+ not keep the event_base looping when there are no requests inflight, and
+ example code for writing an https client.
+
+ Libevent 2.1.3-alpha also has an important new (experimental) event
+ finalization feature to allow safe event teardown in multithreaded
+ programs. This ought to fix the longstanding bug with deadlocks in
+ multithreaded use of SSL-based bufferevents that some people have been
+ experiencing since Libevent 2.0.
+
+
+ Core (event finalization)
+   o Implement event_finalize() and related functions to avoid certain
+     deadlocks (8eedeab)
+   o Use finalization feature so bufferevents can avoid deadlocks (02fbf68)
+   o Always run pending finalizers when event_base_free() is called (e9ebef8)
+   o Remove bufferevent_del_generic_timeout_cbs as now unused (4ea4c6a)
+   o More documentation for finalization feature (a800b91)
+   o Make the event_finalize* functions return an error code (5d11f4f)
+   o Mark the finalize stuff as experiemental in case it needs to
+     change (23e2e29)
+
+ Evdns
+   o evdns: New flag to make evdns not prevent the event loop from
+     exiting (6b7fa62 Azat Khuzhin)
+
+ Bugfixes (Core)
+   o Make event_remove_timer behave correctly with persistent timers (5623e80)
+   o Unit test for event_remove_timer with EV_PERSIST. (96150dd)
+   o Double-check next timeout when adding events (9443868 Nate Rosenblum)
+   o event_base_update_cache_time should be a no-op if the loop isn't
+     running (5e6fa2a)
+
+ Bugfixes (evhttp, crash fix, from 2.0)
+   o fix #73 and fix http_connection_fail_test to catch it (b618204 Greg Hazel)
+
+ Bugfixes (compilation and portability, from 2.0)
+   o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739)
+   o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan)
+   o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5)
+     (74d4c44 Kevin Bowling)
+   o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake
+     1.13 compat (817ea36)
+   o Rename configure.in to configure.ac to appease newer autoconfs (0c79787)
+   o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e)
+
+ Bugfixes (resource leaks/lock errors on error, from 2.0)
+   o Avoid leaking fds on evconnlistener with no callback set (69db261)
+   o Avoid double-close on getsockname error in evutil_ersatz_socketpair
+     (0a822a6)
+   o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
+
+ Documentation Fixes (from 2.0)
+   o Fix a mistake in evbuffer_remove() arguments in example http server code
+     (c322c20 Gyepi Sam)
+   o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
+
+ Documentation Fixes
+   o minor documentation typos (809586a Patrick Pelletier)
+   o Fix cut-and-paste err in whatsnew-2.1 (49905ac)
+   o Fix comment to refer to sample/include.am correctly (9e8cdf3 Sebastian
+     Hahn)
+   o Fix typo : Dispatching instead of Dispaching (0c2bacc Volker Lendecke)
+   o fix some hinky indentation in evhttp_make_request (80e220e Patrick
+     Pelletier)
+   o "buffer" spelling (a452811 Patrick Pelletier)
+   o Specify return behavior in header for evbuffer_pullup() in corner case
+     (cf8d1cd Dan Petro)
+   o Clarify an important point about event_base_foreach_event() (920a5e6)
+
+ Compilation Fixes/Tool Support
+   o avoid valgrind false positive by zeroing epoll_event (1258614 Patrick
+     Pelletier)
+   o Fix harmless clang enum warning (b452a43 Sebastian Hahn)
+   o remove all exes on "make clean", not just regress.exe (974bfa0 Patrick
+     Pelletier)
+   o Make --disable-libevent-regress work again (787fd74)
+   o Do not build strlcpy.c when it will have no code. (4914620)
+
+ Portability Fixes
+   o When EWOULDBLOCK is not EAGAIN, treat it as equivalent to it (bf7a0ff)
+   o Preliminary changes for Minix3. (0dda56a Nicholas Heath)
+   o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13
+     compat (bf278b)
+   o Avoid using $(top_srcdir) in TESTS. (2863c83)
+   o build test/test-script.sh on systems with a less-featureful $< (f935e21)
+   o Implement EVUTIL_ERR_IS_EAGAIN on windows. (42aaf4d)
+
+ Evhttp changes:
+   o Fix ipv6 support for http. When URL contain domain, not IP
+     address. (71e709c Azat Khuzhin)
+   o uri decode: fix for warning "use of uninitialised value" (64b6ece Azat
+     Khuzhin)
+   o uri decode: changed the test for the existence of the next character
+     (e1903e3 Azat Khuzhin)
+   o Move prototype of evhttp_decode_uri_internal() to http-internal.h
+     (de8101a Azat Khuzhin)
+   o Test: decoding just part of string with evhttp_decode_uri_internal()
+     (1367653 Azat Khuzhin)
+   o Add new error_cb for actual reporting of HTTP request errors. (7b07719
+     Azat Khuzhin)
+   o Add test for EVREQ_HTTP_REQUEST_CANCEL into http_cancel_test() (862c217
+     Azat Khuzhin)
+   o Drop extra header http_struct.h from regress_http.c (54cc800 Azat Khuzhin)
+
+ Testing
+   o Add regress test ipv6_for_domain. (9ec88bd Azat Khuzhin)
+   o Add an environment variable (EVENT_DEBUG_MODE) to run unit tests in debug
+     mode (2fad0f3)
+   o Add a test with an active_later event at event_base_free time. (1c3147f)
+   o Make all tests pass under EVENT_DEBUG_MODE=1 (b1b054f)
+   o Add some verbose notes to bufferevent unit tests (9d893c9)
+   o New test for active_later->active transition on event_active (a153874)
+   o New tests for event_base_foreach_event() (0b096ef)
+   o Unit tests for event_base_gettimeofday_cached() and
+     event_base_update_cache_time() (30ea291)
+   o A test for event_get_assignment() (f09629e)
+   o More unit tests for initializing common timeouts. (d596739)
+   o Fix a bug in the new main/event_foreach test (702c9aa)
+
+ Windows:
+   o use FormatMessage for winsock errors (0c6ec5d, 2078e9b, 4ccdd53, c9ad3af
+     Patrick Pelletier)
+   o a program to print out the error strings for winsock errors (7296512
+     Patrick Pelletier)
+   o Fix a warning introduced in 0c6ec5d8 (eeb700c)
+   o Fix another warning introduced in 0c6ec5d8 (ed26561)
+
+ Examples (http)
+   o Add sample/https-client.c, an example of stacking evhttp as a client on
+     top of bufferevent_ssl. (be46c99 Catalin Patulea)
+   o use ${OPENSSL_LIBS} instead of -lssl -lcrypto (bf31fa5 Patrick Pelletier)
+   o https-client was putting newlines at 256-byte boundaries (42d7441 Patrick
+     Pelletier)
+   o better handling of OpenSSL errors (5754d96 Patrick Pelletier)
+   o use Debian's default root certificate location (aacd674 Patrick Pelletier)
+   o use iSECPartners code to validate hostname in certificate (64d9f16
+     Patrick Pelletier)
+   o avoid sign mismatch warning in openssl_hostname_validation.c (6021cb5
+     Patrick Pelletier)
+   o pull in wildcard matching code from cURL (4db9da6 Patrick Pelletier)
+   o Another tweak to https-client.c (95acdaa)
+   o Remove http_struct.h usage in sample/https-client.c (8a90a85)
+
+
+
+Changes in version 2.1.2-alpha (18 Nov 2012)
+
+ Libevent 2.1.2-alpha includes more portable for monotonic timers,
+ refactors much of Libevent's internal and external infrastructure,
+ closes some longstanding gaps in the interface, makde other
+ improvements.  Ths log below tries to organize features by rough area of
+ effect.  It omits a few commits which were pure bugfixes on other commits
+ listed below.  For more detail, see the git changelogs.  For more
+ insight, see the "whatsnew-2.1.txt" document included in the Libevent
+ 2.1.2-alpha distribution.
+
+ Libevent 2.1.2-alpha also includes all changes made in 2.0.19-stable
+ through 2.0.21-stable inclusive.
+
+ Performance (core):
+   o Replace pipe-based notification with EVFILT_USER where possible. This
+     should make multithreaded programs on OSX and *BSD alert the main thread a
+     little faster. (53a07fe)
+   o Make th_base_lock nonrecursive. (9cd5acb)
+
+ New/Changed API Functions:
+   o New event_get_priority() function to return an event's priority (f90e255)
+   o Add a bufferevent_get_priority() function (bd39554)
+   o Add an event_base_loopcontinue() to tell Libevent to rescan for more
+     events right away (7d6aa5e)
+   o Add a new callback to get called on evbuffer_file_segment free
+     (e9f8feb yangacer, 64051b9)
+   o Expose event_base_foreach_event() as a public API. (84fd6d7 Roman
+      Puls, 232055e, ffe1643)
+   o Add an event_remove_timer() to remove timer on an event without
+     deleting it (e3b2e08)
+   o Make bufferevent_set_timeouts(bev, NULL, NULL) have plausible
+     semantics (9dee36b)
+   o Rename event_enable_lock_debuging() to ..._debugging(). (The old name
+     should still work.) (07e132e)
+   o Add missing implementation for event_enable_debug_logging (3b3e21d)
+
+ PORTABLE MONOTONIC TIMERS:
+
+   Libevent 2.1.2 includes internal support for monotonic timers on
+   (nearly) all supported platforms, including Windows, and OSX.  Libevent
+   applications should now be more resilient to jumps forwards or backwards
+   in the system clock.  Also, on Linux systems with epoll, we now
+   optionally support microsecond-level timeouts (whereas epoll only
+   supports millisecond-precision timeouts).
+
+   o Use mach_absolute_time() for monotonic clock support on OSX. (b8fd6f9)
+   o Do not track use_monotonic field when is no monotonic clock (cb653a0)
+   o EVENT_BASE_FLAG_PRECISE_TIMER indicates we want fine timer precision
+     (ddd69d3)
+   o On Linux, use CLOCK_MONOTONIC_COARSE by default (55780a7)
+   o Implement a GetTickCount-based monotonic timer for Windows (d5e1d5a)
+   o Refactor monotonic timer handling into a new type and set of
+     functions; add a gettimeofday-based ratcheting implementation (f5e4eb0)
+   o Add EVENT_PRECISE_TIMER environment var for selecting precise-but-slow
+     timer (a2598ec)
+   o Implement fast/precise monotonic clocks on Windows (2c47045)
+   o Simple unit tests for monotonic timers (630f077)
+   o Improve the monotonic-time unit test: make it check the step size (7428c78)
+   o When PRECISE_TIMERS is set with epoll, use timerfd for microsecond
+     precision (26c7582)
+   o Split out time-related evutil functions into a new evutil_time.c (c419485)
+   o Split out time-related prototypes into time-internal.h (71bca50)
+   o Add evutil_time.obj to Makefile.nmake (0ba0683)
+   o Avoid giving a spurious warning when timerfd support is unavailable
+     (1aaf9f0 Dave Hart)
+   o Make test_evutil_monotonic a little more tolerant (def3b83)
+   o Avoid unused-var warning on systems with clock_gettime but without
+     CLOCK_MONOTONIC_COARSE (9be5468)
+
+EVENT_BASE_ONCE LEAKS:
+   If a callback added by event_base_once() is never invoked, Libevent no
+   longer leaks internal memory.
+
+   o Free dangling event_once objects on event_base_free() (c17dd59)
+   o Add a unit test in which an event is created with event_base_once()
+     but never fires (4343edf)
+
+TESTING SUPPORT, FIXES AND IMPROVEMENTS:
+
+   Libevent now disables by default its unit tests that would touch the
+   network, or that tend to fail on heavily-loaded systems.  To re-enable
+   them, invoke the ./test/regress program with the @all alias.
+
+   o Simplify test.sh code significantly. (9b856fd Ross Lagerwall)
+   o Make all tests that hit the network disabled by default (f2cea87)
+   o Avoid a resource leak on error in http client benchmark (ea92fba)
+   o Update to latest tinytest (911b4f0349377) (ef7c4f7)
+   o Avoid (unlikely) overflow in bench_httpclient.c (5671033)
+   o Shave 700 msec off the persistent_timeout_jump test (21205b8)
+   o Check return value of write() in regress.c (c8009d2)
+   o Make load-dependent monotonic timer tests off-by-default (2b6fe8b)
+   o Add deferred_cb_skew to list of timing-dependent tests (34c8f31)
+   o Avoid test -e; older shs don't have one. (f1bd938)
+   o Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086)
+   o Fix a couple of compile warnings in the unit tests (5a9a014)
+
+MISC:
+   o Change evutil_weakrand_() to avoid platform random() (e86af4b Nicholas
+     Marriott, 3aa4415)
+
+INFRASTRUCTURE (Active-later events):
+   As a simplification and optimization to Libevent's "deferred callback"
+   logic (introduced in 2.0 to avoid callback recursion), Libevent now
+   treats all of its deferrable callback types using the same logic it uses
+   for active events.  Now deferred events no longer cause priority
+   inversion, no longer require special code to cancel them, and so on.
+
+   o Refactor the callback part of an event into its own event_callback
+     type (cba59e5)
+   o Add "active later" event_callbacks to supersede deferred (745a63d)
+   o event_base_assert_ok: check value of event_active_count for
+     correctness (fec8bae)
+   o Replace deferred_cbs with event_callback-based implementation. (ae2b84b)
+   o Replace more deferred_cb names with event_callback (a4079aa)
+   o Give event_base_process_active a single exit path (581b5be)
+   o Restore our priority-inversion-prevention code with deferreds (c0e425a)
+   o Refactor event_persist_closure: raise and extract some common logic
+     (bec22b4)
+   o Remove the unused bits from EVLIST_ALL (9889a3d)
+||||||| merged common ancestors
+Changes in version 2.0.22-stable (?? Dec 2013)
+
+ (As of 3b77d62829c4393bda6f9105a5d3b73b48a64b71.)
 
 BUGFIXES (evhttp)
  o fix #73 and fix http_connection_fail_test to catch it (crash fix) (b618204 Greg Hazel)
@@ -17,7 +1086,6 @@
  o Use windows vsnprintf fixup logic on all windows environments (e826f19)
  o Fix a compiler warning when checking for arc4random_buf linker breakage. (5cb3865)
  o Fix another arc4random_buf-related warning (e64a2b0)
- o Add -Qunused-arguments for clang on macos (b56611d Trond Norbye)
 
 BUGFIXES (resource leaks/lock errors on error)
  o Avoid leaking fds on evconnlistener with no callback set (69db261)
@@ -25,29 +1093,15 @@
  o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
  o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer) (b8f5980 Frank Denis)
 
-BUGFIXES: (other stability)
- o bufferevent_pair: don't call downcast(NULL) (f2428a2)
- o Consistently check for failure from evbuffer_pullup() (60f8f72)
- o Fix race caused by event_active (3c7d6fc vjpai)
-
 BUGFIXES (miscellaneous)
+ o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c, bb52471)
  o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62)
- o Typo fixes from Linus Nordberg (cec62cb, 8cd695b)
- o Add a few files created by "make verify" to .gitignore. (1a8295a Pierre Phaneuf)
- o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov)
- o Fix bufferevent setwatermark suspend_read (b34e4ac ufo2243)
- o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a)
 
 BUFGIXES (evdns)
  o Checking request nameserver for NULL, before using it. (5c710c0 Belobrov Andrey)
  o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (f8d7df8 Azat Khuzhin)
- o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749)
-
-BUGFIXES (epoll)
- o Check does arch have the epoll_create and __NR_epoll_wait syscalls. (dfe1e52 Marcin Juszkiewicz)
 
 BUGFIXES (evutil_secure_random)
- o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c, bb52471)
  o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540)
  o Document that arc4random is not a great cryptographic PRNG. (6e49696)
  o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
@@ -57,9 +1111,7 @@
 DOCUMENTATION FIXES
  o Fix a mistake in evbuffer_remove() arguments in example http server code (c322c20 Gyepi Sam)
  o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
- o Clarify event_base_loop exit conditions (031a803)
- o Use FindClose for handle from FindFirstFile in http-server.c (6466e88)
- o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff)
+
 
 
 Changes in version 2.0.21-stable (18 Nov 2012)
@@ -437,960 +1489,361 @@
  o Add comment to configure.in to explain gc-sections test logic (c621359)
  o Fix a couple of memory leaks in samples/http-server.c. Found by Dave Hart. (2e9f665)
 
+
+
 BUILD IMPROVEMENTS:
- o Use the gcc -ffunction-segments feature to allow gc when linking with static libevent (0965c56 Dave Hart)
- o Add configure options to disable installation, regression tests (49e9bb7 Dave Hart)
+ Libevent 2.1.2-alpha modernizes Libevent's use of autotools, and makes
+ numerous other build system. Parallel builds should be faster, and all
+ builds should be quieter.
 
-
-
-Changes in version 2.0.10-stable (16 Dec 2010)
-  [Autogenerated from the Git log, sorted and cleaned by hand.]
-BUGFIXES
- o Minor fix for IOCP shutdown handling fix (2599b2d Kelly Brock)
- o Correctly notify the main thread when activating an event from a subthread (5beeec9)
- o Reject overlong http requests early when Expect:100-continue is set (d23839f Constantine Verutin)
- o EVUTIL_ASSERT: Use sizeof() to avoid "unused variable" warnings with -DNDEBUG. (b63ab17 Evan Jones)
-
-CODE CLEANUPS
- o bufferevent-internal.h: Use the new event2/util.h header, not evutil.h (ef5e65a Evan Jones)
- o Use relative includes instead of system includes consistently. (fbe64f2 Evan Jones)
- o Make whitespace more consistent
-
-TESTING
- o tests: Use new event2 headers instead of old compatibility headers. (4f33209 Evan Jones)
+   o Split long lists in Makefile.am into one-item-per-line (2711cda)
+   o Remove unnecessary code in configure.in. (e65914f Ross Lagerwall)
+   o attempt to support OpenSSL in Makefile.nmake (eba0eb2 Patrick Pelletier)
+   o Use newer syntax for autoconf/automake init (7d60ba8)
+   o Enable silent build rules by default. Override with V=1 (7b18e5c)
+   o Switch to non-recursive makefiles (7092f3b)
+   o Rename subordinate Makefile.ams to include.am (6cdfeeb)
+   o Make quiet build even quieter (371a123)
+   o New --quiet option for event_rpcgen.py (aa59c1e)
+   o Be quiet when making regress.gen.[ch] (607a8ff)
+   o Fix handling of no-python case for nonrecursive make (1e3123d)
+   o We now require automake 1.9 or later. Modernize! (b7f6e89)
+   o Rename configure.in to configure.ac. (b3fea67 Ross Lagerwall)
+   o Use correct openssl libs and includes in pkgconfig file (d70af27)
+   o Use the same CFLAGS for openssl when building unit tests as with
+     libevent (1d9d511)
 
 DOCUMENTATION
- o Document that the cpu_hint is only used on Windows with IOCP for now (57689c4)
- o Add stuff to "whats new in 2.0" based on reading include changes since August. (18adc3f)
+   o Note that make_base_notifiable should not be necessary (26ee5f9)
+   o Be more clear that LEV_OPT_DEFERRED_ACCEPT has tricky prereqs (371efeb)
+   o Add caveat to docs about bufferevent_free() with data in outbuf (6fab9ee)
+   o Make it more clear that NOLOCK means "I promise, no multithreading"
+    (9444524)
+   o Fix a comment in test-fdleak after 077c7e949. (3881d8f Ross Lagerwall)
+   o Make the Makefile.nmake warning slightly less dire (e7bf4c8)
+   o Fix typo : events instead of evets (05f1aca Azat Khuzhin)
+   o Additional comments about OPENSSL_DIR variable, prompted by Dave Hart
+     (6bde2ef Patrick Pelletier)
 
+EVHTTP:
+   o ignore LWS after field-content in headers (370a2c0 Artem Germanov)
+   o Clean up rtrim implementation (aa59d80)
+   o Remove trailing tabs in HTTP headers as well. (ac42519)
+   o Remove internal ws from multiline http headers correctly (c6ff381)
+   o Move evutil_rtrim_lws_ to evutil.c where it belongs (61b93af)
+   o add evhttp_request_get_response_code_line (4f4d0c9 Jay R. Wren)
+   o Use EVUTIL_SOCKET_ERROR() wrapper to save/restore errno in
+     evhttp_connection_fail_ (7afbd60)
+   o preserve errno in evhttp_connection_fail_ for inspection by the
+     callback (36d0ee5 Patrick Pelletier)
 
-Changes in 2.0.9-rc (30 Nov 2010):
-  [Autogenerated from the Git log, sorted and cleaned by hand.]
-NEW AND MODIFIED APIs
- o Add a function to change a listener's callback. (46ee061)
- o Make evbuffer_add_file take ev_off_t, not off_t (ac7e52d)
- o Make rate-limits go up to SIZE_MAX/EV_SSIZE_MAX, not just INT32_MAX (2cbb1a1)
- o Add a bufferevent_get_base function (aab49b6)
-
-MAJOR BUGFIXES
- o Disable changelist for epoll by default because of Linux dup() bug; add an option and/or an envvar to reenable it for speed. (9531763)
- o Fix a 100%-CPU bug where an SSL connection would sometimes never stop trying to write (1213d3d)
- o Fix a nasty bug related to use of dup() with epoll on Linux (c281aba)
- o Fix bugs in posix thread-id calculation when sizeof(pthread_t) != sizeof(long) (fbaf077)
- o Fix some ints to evutil_socket_t; make tests pass on win64. (f817bfa Dimitre Piskyulev)
- o Set _EVENT_SIZEOF_VOID_P correctly on win32 and win64 (1ae82cd Dimitre Piskyulev)
- o Avoid double-invocation of user callback with EVUTIL_EAI_CANCEL (abf01ed)
- o Set SO_UPDATE_ACCEPT_CONTEXT on sockets from AcceptEx so that shutdown() can work (52aa419)
- o When closing a filtering bufferevent, clear callbacks on the underlying bufferevent (fc7b1b0)
-
-NEW AND MODIFIED HTTP APIs
- o Add evhttp_parse_query_str to be used with evhttp_uri_parse. (2075fbc)
- o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b)
- o Define enumerators for all HTTP methods, including PATCH from RFC5789 (75a7341 Felix Nawothnig)
- o Functions to actually use evhttp_bound_socket with/as evconnlistener. (006efa7)
- o Add evhttp_request_get_command so code can tell GET from POST without peeking at the struct. (49f4bf7)
- o Introduce absolute URI parsing helpers. (86dd720 Pavel Plesov)
- o Revise evhttp_uri_parse implementation to handle more of RFC3986 (eaa5f1d)
- o Add evhttp_connection_get_base() to get the event_base from an http connection (cd00079)
- o Let evhttp_parse_query return -1 on failure (b1756d0)
- o New evhttp_uri(encode|decode) functions to handle + and NUL characters right (a8148ce)
- o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b)
- o Tweak interface for allowed methods (f5b391e)
- o Add evhttp server alias interface, correct flagging of proxy requests. (aab8c38 Christopher Davis)
-
-HTTP BUGFIXES
- o Add some comments to http.c and make a few functions static. (90b3ed5)
- o Fix Content-Length when trying send more than 100GB of data (!) on an evhttp. (525da3e)
- o Fix a bug where we would read too much data in HTTP bodies or requests. (58a1cc6)
- o Correctly count req->body_size on http usage without Content-Length (8e342e5)
- o Avoid missed-request bug when entire http request arrives before data is flushed (74c0e86)
- o reset "chunked" flag when sending non-chunked reply (aa5f55f Joachim Bauch)
- o evhttp_encode_uri encodes all reserved characters, including !$'()*+,/:=@ (2e63a60)
- o Replace exact-version checks for HTTP/1.1 with >= or < checks (647e094)
- o evhttp: Return 501 when we get an unrecognized method, not 400. (536311a)
- o Don't disable reading from the HTTP connection after sending the request to be notified of connection-close in time (c76640b Felix Nawothnig)
- o Never call evhttp_readcb while writing. (0512487)
- o Try to fix an assertion failure related to close detection (0faaa39)
- o Correctly detect timeouts during http connects (04861d5)
- o Preliminary support for Continue expectation in evhttp. (fa9305f Christopher Davis)
-
-OTHER BUGFIXES
- o Correct logic for realigning a chain in evbuffer_add (e4f34e8)
- o Fix a minor syntax error that most compilers didn't care about (e56ff65)
- o Fix some uses of int for socket in regress (5d389dc)
- o Check return value for ioctlsocket on win32 (f5ad31c Trond Norbye)
- o Fix som event_warns that should have been event_warnx (19c71e7)
- o Fix signal handler types for win64. (b81217f)
- o Try to clear up more size_t vs int/long issues. (598d133)
- o Make sure IOCP evconnlistener uses virtual events. (7b40a00 Christopher Davis)
- o Don't free evdns_request handles until after the callback is invoked (9ed30de)
- o Fix some more cancel-related bugs in getaddrinfo_async (c7cfbcf)
- o Make evdns_getaddrinfo_cancel threadsafe (d51b2fc)
- o Only clear underlying callbacks when the user hasn't reset them. (1ac5b23)
- o Fix bug in bufferevent_connect on an openssl bufferevent that already had an fd (4f228a1)
- o Resolve an evport bug in the thread/forking test (3a67d0b)
- o Make sure the CLOEXEC flag is set on fds we open for base notification (3ab578f)
- o Fix IRIX build.  sa_family collides with a #define in sys/socket.h on IRIX. (e874982 Kevin Bowling)
- o If not WIN32, include <sys/socket.h> in event2/util.h. (1cd45e5 Kevin Bowling)
- o Fix some C99-style comments to work with the xlC compiler. (c2e5e22 Kevin Bowling)
- o Add some checks since lack of TAILQ_FOREACH doesn't imply lack of FIRST, END, NEXT, or INSERT_BEFORE.  Quiet some warnings in XL C. (c4dc335 Kevin Bowling)
- o Reworked AIX __ss_family workaround to use AC_STRUCT_MEMBER. (2e2a3d7 Kevin Bowling)
- o Take select from <sys/select.h> when testing in autoconf.  AIX build fix. (a3a9f6b Kevin Bowling)
- o Fix snprintf related failures on IRIX. (3239073 Kevin Bowling)
- o Remove _event_initialized(); make event_initialized() a function(); make it consistent on windows and non-windows (652024b)
- o Do not let EVLOOP_ONCE exit the loop until all deferred callbacks have run (2d5e1bd)
- o Make EVLOOP_ONCE ignore internal events (0617a81)
- o Possible crash fix when freeing an underlying bufferevent of an openssl bufferevent (29f7623)
-
-HTTP CLEANUPS
- o Stop using Libevent-1 headers in regress_http (1f507d7)
- o Modernize header usage in bench_http.c (e587069)
- o fix signed/unsigned warnings in http.c (74a91e5)
- o Update the HTTP regression tests to use Libevent2 apis for non-http stuff (d9ffa89)
- o Start porting http tests to not use legacy interfaces (8505a74)
- o Convert the rest of the http tests to be non-legacy unit tests. (9bb8239)
- o Rename the confusing "base" static variable in regress_http.c (353402a)
- o Stop accessing http request struct directly from in the unit tests. (0b137f4)
- o Refactor http version parsing into a single function (a38140b)
-
-TESTING
- o Improvements to tinytest_macros.h (ad923a1)
- o Add a huge pile of tests for the new URI functions, and make them pass. (a5a76e6)
- o Unit tests for evhttp_uri_set* (bc98f5e)
- o Increase the skew tolerance to 2 seconds in thread/deferred_cb_skew (f806476 Christopher Davis)
- o Reorder backends in test.sh to match preference order in event.c (ece974f)
- o Add a stress test for getaddrinfo_cancel (da1bf52)
- o Units test for unexpected evhttp methods. (75e3320)
-
-DOCUMENTATION
- o Document behavior of URI parsing more thoroughly. (3a33462)
- o Document that two bufferevent functions only work on socket bufferevents (70e1b60)
- o add a requested docstring for event_rpcgen.CommandLine.__init__ (f1250eb)
- o Fix a mistake in http documentation found by Julien Blache (229714d)
- o Add a basic example of how to write a static HTTP server. (4e794d5)
- o Document event_get_assignment (88be27d)
- o Note that reentrant calls to libevent from logging cbs may fail badly (e431bcd)
- o Clarify EVLOOP_* documentation to be more precise. (057a514)
-
-CLEANUPS
- o Simplify the logic for choosing EPOLL_CTL_ADD vs EPOLL_CTL_MOD (2c66983)
- o Rename "size" variables in win32select that were really fd counts. (b6a158c)
- o Fix even more win64 warnings (7484df6)
- o Fix even more win64 warnings: buffer, event_tagging, http, evdns, evrpc (545a611)
- o Fix more wn64 warnings. (34b84b9 Christopher Davis)
- o Use the label_len local variable in evdns instead of recalculating it over and over (ba01456)
- o Fix some irix compilation warnings spotted by Kevin Bowling (7bcace2)
+BUGFIXES:
+   o Correctly handle running on a system where accept4 doesn't work. (9fbfe9b)
+   o Avoid double-free on error in evbuffer_add_file. Found by
+     coverity. (6a81b1f)
+   o Fix another possible uninitialized read in dns regression tests. Found
+     by coverity. (13525c5)
+   o Add checks for functions in test-ratelim.c; found by Coverity (aa501e1)
+   o Avoid memory leak in test_event_calloc unit test; found by coverity
+     (92817a1)
+   o Fix a shadowed variable in addfile_test_readcb; found by coverity
+     (225344c)
+   o Check return value when using LEV_OPT_DEFERRED_ACCEPT. Found by
+     coverity (6487f63)
+   o Prevent reference leak of bufferevent if getaddrinfo fails. (b757786
+     Joachim Bauch)
+   o Make event_base_getnpriorities work with old "implicit base" code
+     (c46cb9c)
+   o Simplify and correct evutil_open_closeonexec_ (0de587f)
+   o Fix event_dlist definition when sys/queue not included (81b6209
+     Derrick Pallas)
 
 
 
-Changes in 2.0.8-rc (14 Oct 2010):
- [Autogenerated from the Git log, sorted and cleaned by hand.]
-NEW APIS
- o Add error callback to evconnlistener (c4be8d8 Simon Perreault)
- o Add a LEV_OPT_THREADSAFE option for threadsafe evconnlisteners (127d4f2)
+Changes in version 2.1.1-alpha (4 Apr 2012)
 
-CHANGED BEHAVIOR
- o Correct logic on disabling underlying bufferevents when disabling a filter (ac27eb8)
+ Libevent 2.1.1-alpha includes a number of new features and performance
+ improvements.  The log below tries to organize them by rough area of
+ effect.  It omits some commits which were pure bugfixes on other commits
+ listed below.  For more detail, see the git changelogs.  For more
+ insight, see the "whatsnew-2.1.txt" document included in the Libevent
+ 2.1.1-alpha distribution.
 
-BUGFIXES
- o Obey enabled status when unsuspending (040a019 Simon Perreault)
- o Warn when using the error-prone EV_SIGNAL interface in an error-prone way.  Also, fix a couple of race conditions in signal.c (720bd93)
- O Make default signal backend fully threadsafe (95a7d41)
- o Put internal events at highest priority (90651b3)
- o Fix warnings in the main codebase flagged by -Wsigned-compare (9c8db0, 5e4bafb, 5c214a, 6be589a, e06f514)
- o Fix compile in kqueue.c (b395392 Sebastian Hahn)
- o Do not search outside of the system directory for windows DLLs (d49b5e3)
- o Fix a spurious-call bug on epoll.c (0faaee0)
- o Send a shutdown(SHUT_WR) before closing an http connection (e0fd870 Christopher Davis)
- o Fix warnings on mingw with gcc 4.5 (5b7a370)
- o Fix an EINVAL on evbuffer_write_iovec on OpenSolaris. (fdc640b)
- o Fix allocation error for IOCP listeners. Probably harmless, since struct event is big (481ef92)
- o Make iocp/listener/error work; don't accept again if lev is disabled. (62b429a Christopher Davis)
- o Handle rate-limiting for reading on OpenSSL bufferevents correctly. (819b171)
- o Fix serious bugs in per-bufferevent rate-limiting code (34d64f8)
- o Avoid spurious reads from just-created open openssl bufferevents (223ee40)
- o Fix a case where an ssl bufferevent with CLOSE_ON_FREE didn't close its fd (93bb7d8)
- o The corrected bufferevent filter semantics let us fix our openssl tests (34331e4)
+ Performance: Core
+   o Replace several TAILQ users with LIST. LIST can be a little faster than
+     TAILQ for cases where we don't need queue-like behavior. (f9db33d,
+     6494772, d313c29, 974d004)
+   o Disabled code to optimize the case where we reinsert an existing
+     timeout (e47042f, 09cbc3d)
+   o Remove a needless base-notify when rescheduling the first timeout (77a96fd)
+   o Save a needless comparison when removing/adjusting timeouts (dd5189b)
+   o Possible optimization: split event_queue_insert/remove into
+     separate functions. needs testing (efc4dc5)
+   o Make event_count maintenance branchless at the expense of an
+     extra shift. Needs benchmarking (d1cee3b)
+   o In the 2.1 branch, let's try out lazy gettimeofday/clock_gettime
+     comparison (2a83ecc)
+   o Optimization in event_process_active(): ignore maxcb & endtime
+     for highest priority events. (a9866aa Alexander Drozdov)
+   o Bypass event_add when using event_base_once() for a 0-sec timeout (35c5c95)
+   o Remove the eventqueue list and the ev_next pointers. (604569b 066775e)
 
-TESTING
- o Make SSL tests cover enabling/disabling EV_READ. (a5ce9ad)
- o Bump to the latest version of tinytest (f0bd83e)
- o Unit tests for listener error callbacks (045eef4)
- o New unit test for ssl bufferevents starting with connected SSLs. (02f6259)
+ Performance: Evbuffers
+   o Roughly 20% speed increase when line-draining a buffer using
+     EVBUFFER_EOL_CRLF (5dde0f0 Mina Naguib)
+   o Try to squeeze a little more speed out of EVBUFFER_EOL_CRLF (7b9d139)
+   o Fix a bug in the improved EOL_CRLF code (d927965)
+   o Remove a needless branch in evbuffer_drain() (d19a326)
 
-DEBUGGABILITY
- o Make debugging output for epoll backend more comprehensive (ec2b05e)
- o Make event.c debugging messages report fds (e119899)
- o Make the --enable-gcc-warnings option include signed comparison warnings (d3b096c)
+ Performance: Linux
+   o Infrastructure for using faster/fewer syscalls when creating
+     sockets (a1c042b)
+   o Minimize syscalls during socket creation in listener.c (7e9e289)
+   o Use a wrapper function to create the notification
+     pipe/socketpair/eventfd (ca76cd9)
+   o Use pipes for telling signals to main thread when possible (a35f396)
+   o Save syscalls when constructing listener sockets for evhttp (af6c9d8)
+   o Save some syscalls when creating evdns sockets (713e570)
+   o Save some syscalls when constructing a socket for a bufferevent (33fca62)
+   o Prefer epoll_create1 on Linuxen that have it (bac906c)
 
-DEADCODE REMOVAL
- o Remove the now-useless evsig_caught and evsig_process (4858b79)
- o Remove event_base.evsigbase; nothing used it. (38d0960)
+ Performance: Epoll backend
+   o Use current event set rather than current pending change when
+     deciding whether to no-op a del (04ba27e Mike Smellie)
+   o Replace big chain of if/thens in epoll.c with a table lookup (8c83eb6)
+   o Clean up error handling in epoll_apply_one_change() a little (2d55a19)
+
+ Performance: Evport backend
+   o evport: use evmap_io to track fdinfo status. Should save time and
+     RAM. (4687ce4)
+   o evport: Remove a linear search over recent events when
+     reactivating them (0f77efe)
+   o evport: Use portev_user to remember fdinfo struct (276ec0e)
+   o evport: don't scan more events in ed_pending than needed (849a5cf)
+   o evport: Remove artificial low limit on max events per getn call (c04d927)
+   o Reenable main/many_events_slow_add for evport in 2.1 (e903db3)
+
+ Performance: Windows
+   o Use GetSystemTimeAsFileTime to implement gettimeofday on
+     win32. It's faster and more accurate than our old
+     approach. (b8b8aa5)
+
+ New functions and features: debugging
+   o Add event_enable_debug_logging() to control use of debug logs (e30a82f)
+
+ New functions and features: core
+   o Add event_config function to limit time/callbacks between calls
+     to dispatch (fd4de1e, 9fa56bd, a37a0c0, 3c63edd)
+   o New EVLOOP_NO_EXIT_ON_EMPTY option to keep looping even when no
+     events are pending (084e68f)
+   o Add event_base_get_npriorities() function. (ee3a4ee Alexander Drozdov)
+   o Make evbase_priority_init() and evbase_get_npriorities()
+     threadsafe (3c55b5e)
+   o New event_base_update_cache_time() to set cached_tv to current
+     time (212533e Abel Mathew)
+   o Add event_self_cbarg() to be used in conjunction with
+     event_new(). (ed36e6a Ross Lagerwall, fa931bb, 09a1906, 1338e6c,
+     33e43ef)
+   o Add a new libevent_global_shutdown() to free all globals before
+     exiting. (041ca00 Mark Ellzey, f98c158, 15296d0, 55e991b)
+   o Use getifaddrs to detect our interfaces if possible (7085a45)
+   o Add event_base_get_running_event() to get the event* whose cb we
+     are in (c5732fd, 13dad99)
+
+ New functions and features: building
+   o Implement --enable-gcc-hardening configure option (7550267 Sebastian Hahn)
+
+ New functions and features: evbuffers
+   o Add evbuffer_add_file_segment() so one fd can be used efficiently
+     in more than one evbuffer_add_file at a time (e72afae, c2d9884,
+     3f405d2, 0aad014)
+   o Fix windows file segment mappings (8254de7)
+   o Allow evbuffer_ptr_set to yield a point just after the end of the
+     buffer. (e6fe1da)
+   o Allow evbuffer_ptr to point to position 0 in an empty evbuffer
+     (7aeb2fd Nir Soffer)
+   o Set the special "not found" evbuffer_ptr consistently. (e3e97ae Nir Soffer)
+   o support adding buffers to other buffers non-destructively
+     (9d7368a Joachim Bauch)
+   o prevent nested multicast references, reworked locking (26041a8
+     Joachim Bauch)
+   o New EVBUFFER_EOL_NUL to read NUL-terminated strings from an
+     evbuffer (d7a8b36 Andrea Montefusco, 54142c9)
+   o Make evbuffer_file_segment_types adaptable (c6bbbf1)
+   o Added evbuffer_add_iovec and unit tests. (aaec5ac Mark Ellzey, 27b5398)
+   o Add evbuffer_copyout_from to copy data from the middle of a
+     buffer (27e2225)
+
+ New functions and features: bufferevents
+   o Allow users to set allow_dirty_shutdown (099d27d Catalin Patulea)
+   o Tweak allow_dirty_shutdown documentation (a44cd2b)
+   o Fix two issues in the allow_dirty_shutdown code. (f3b89de)
+   o Add a bufferevent_getcb() to find a bufferevent's current
+     callbacks (a650394)
+   o bufferevent: Add functions to set/get max_single_read/write
+     values. (998c813 Alexander Drozdov)
+   o bev_ssl: Be more specific in event callbacks. evhttp in particular gets
+     confused without at least one of BEV_EVENT_{READING|WRITING}. (f7eb69a
+     Catalin Patulea)
+
+ New functions and features: evconnlisteners
+   o Support TCP_DEFER_ACCEPT sockopts for listeners (5880e4a Mark Ellzey,
+     a270728)
+   o Add another caveat to the TCP_DEFER_ACCEPT documentation (a270728)
+   o Allow evconnlistener to be created in disabled state. (9593a33
+     Alexander Drozdov)
+   o The LEV_OPT_CLOSE_ON_EXEC flag now applies to accepted listener
+     sockets too (4970329)
+
+ Evhttp:
+   o Add new evhttp_{connection_}set_timeout_tv() functions to set
+     finger-grained http timeouts (6350e6c Constantine Verutin)
+   o Performance tweak to evhttp_parse_request_line. (aee1a97 Mark Ellzey)
+   o Add missing break to evhttp_parse_request_line (0fcc536)
+   o Add evhttp callback for bufferevent creation; this lets evhttp
+     support SSL. (8d3a850)
+   o Remove calls to deprecated bufferevent functions from evhttp.c (4d63758)
+   o evhttp: Add evhttp_foreach_bound_socket. (a2c48e3 Samy Al Bahra)
+
+ Build improvements:
+   o Add AC_USE_SYSTEM_EXTENSIONS to configure.in. Requires follow on
+     patches for correctness and robustness. (1fa7dbe Kevin Bowling)
+   o Filter '# define' statements from autoconf and generate
+     event-private.h (321b558 Kevin Bowling)
+   o Remove internal usage of _GNU_SOURCE (3b26541 Kevin Bowling)
+   o Eliminate a couple more manual internal _GNU_SOURCE defines (c51ef93
+     Kevin Bowling)
+   o Add AC_GNU_SOURCE to the fallback case. (ea8fa4c Kevin Bowling)
+   o Use a Configuration Header Template for evconfig-private.h (868f888
+     Kevin Bowling)
+   o Fix a comment warning and add evconfig-private.h to .gitignore
+     (f6d66bc Kevin Bowling)
+   o Include evconfig-private.h in internal files for great good. (0915ca0
+     Kevin Bowling)
+   o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5)
+     (ad03952 Kevin Bowling)
+   o Prefer the ./configure evconfig-private.h in MinGW, just in
+     case. (f964b72 Kevin Bowling)
+   o Shell hack for weird mkdir -p commands (fd7b5a8 Kevin Bowling)
+   o Add evconfig-private to remaining files (ded0a09 Kevin Bowling)
+   o Allow use of --enable-silent-rules for quieter compilation with
+     automake 1.11 (f1f8514 Dave Hart)
+   o Use "_WIN32", not WIN32: it's standard and we don't need to fake it
+     (9f560b)
+   o In configure, test for _WIN32 not WIN32. (85078b1 Peter Rosin)
+   o Do not define WIN32 in Makefile.nmake (d41f3ea Peter Rosin)
+   o Provide the autoconf m4 macros for the new OpenSSL via pkg-config
+     stuff. (674dc3d Harlan Stenn)
+   o Use pkg-config (if available) to handle OpenSSL. (1c63860 Harlan Stenn)
+   o We need AM_CPPFLAGS when compiling bufferevent_openssl.c (6d2613b
+     Harlan Stenn)
+   o Fix OSX build: $(OPENSSL_INCS) needs to be after
+     $(AM_CPPFLAGS). (46f1769 Zack Weinberg)
+   o Make gcc warnings on by default, and --enable-gcc-warnings only add
+     -Werror (d46517e Sebastian Hahn)
+   o Split up extra-long AC_CHECK_FUNCS/HEADERS lines in configure.in (88a30ad)
+   o Move libevent 1.x headers to include/, to put all public headers in
+     one place. (bbea8d6)
+   o Put #ifdef around some files to support alternate build
+     systems. (76d4c92 Ross Lagerwall)
+   o Also make win32select.c conditional for IDE users (bf2c5a7)
+
+ Debugging:
+   o Add a magic number to debug_locks to better catch lock-coding
+     errors. (b4a29c0 Dave Hart)
+   o munge the debug_lock signature before freeing it: it might help us
+     catch use-after-free (f28084d)
+   o Added --enable-event-debugging in configure (bc7b4e4, a9c2c9a Mark Ellzey)
+   o Debug addition for printing usec on TIMEOUT debugging. (ac43ce0 Mark Ellzey)
+   o Added usec debug in another area for debug (3baab0d Mark Ellzey)
+   o added timeout debug logs to include event ptr. (4b7d298 Mark Ellzey)
+   o more event dbg updates (6727543 Mark Ellzey)
+   o Clarify event_enable_debug_logging a little (6207826)
+   o Make --enable-verbose-debug option match its help text (10c3450)
+   o Add argument checks to some memory functions in `event.c'. (c8953d1
+     Mansour Moufid)
+
+ Testing:
+   o More abstraction in test.sh (cd74c4e)
+   o Add failing test for evbuffer_search_range. (8e26154 Nir Soffer)
+   o Tweaks to return types with end-of-buf ptrs (9ab8ab8)
+   o Add an (internal) usleep function for use by unit tests (f25d9d3)
+   o Synchronize with upstream tinytest (6c81be7)
+   o Make test-changelist faster (7622d26)
+   o Reduce the timeout in the main/fork test. (ab14f7c)
+   o New evhttp function to adjust initial retry timeout (350a3c4)
+   o Make regression tests run over 3x faster. (67a1763)
+   o Use test_timeval_diff_eq more consistently (b77b43f)
+   o Allow more slop in deferred_cb_skew test; freebsd needs it (b9f7e5f)
+   o When including an -internal.h header outside the main tree, do so
+     early (95e2455)
+   o Add a new test: test-fdleak which tests for fd leaks by creating many
+     sockets. (2ef9278 Ross Lagerwall, f7af194, 1c4288f, etc)
+   o Add a unit test for event_base_dump_events() (7afe48a, 8d08cce)
+   o Test more bufferevent_ratelim features (c24f91a)
+
+ Documentation:
+   o Improve evbuffer_ptr documentation (261ba63)
+   o added comments to describe refcounting of multicast chains (ba24f61
+     Joachim Bauch)
+   o Add doxygen for event_base_dump_events (cad5753)
+
+ OSX:
+   o Use "unlimited select" on OSX so that we can have more than
+     FD_SETSIZE fds (1fb5cc6)
+
+ KQueue:
+   o Use SIG_IGN instead of a do-nothing handler for signal events with
+     kqueue (148458e Zack Weinberg)
+
+ evprc:
+   o event_rpcgen.py now prints status information to stdout and errors to
+     stderr. (ffb0ba0 Ross Lagerwall)
+
+ Code improvement and refactoring:
+   o Make event_reinit() more robust and maintainable (272033e)
+   o Restore fast-path event_reinit() for slower backends (2c4b5de)
+   o Check changelist as part of checking representational integrity (39b3f38)
+   o Fix a compile warning in event_reinit (e4a56ed Sebastian Hahn)
+   o Refactor the functions that run over every event. (c89b4e6)
+   o Remove the last vestiges of _EVENT_USE_EVENTLIST (a3cec90)
+   o Make event-config.h depend on Makefile.am (2958a5c)
+
+ Build fixes:
+   o Don't do clang version detection when disabling some flags (083296b
+     Sebastian Hahn)
+
+ C standards conformance:
+   o Check for NULL return on win32 mm_calloc, and set ENOMEM. (af7ba69)
+   o Convert event-config.h macros to avoid reserved identifiers (68120d9)
+   o Generate event-config.h using the correct macros. (f82c57e)
+   o Convert include-guard macro convention to avoid reserved identifiers
+     (3f8c7cd)
+   o Make event_rpcgen.py output conform to identifier conventions (372bff1)
+   o Stop referring to an obsolete include guard in bench_http.h (5c0f7e0)
+   o Make the generated event-config.h use correct include guards (639383a)
+   o Fix all identifiers with names beginning with underscore. (cb9da0b)
+   o Make event_rpcgen.py output conform to identifier conventions, more
+     (bcefd24)
+   o Fix some problems introduced by automated identifier cleanup script
+     (c963534)
+   o Have all visible internal function names end with an underscore. (8ac3c4c)
+   o Apply the naming convention to our EVUTIL_IS* functions (c7848fa)
+   o Clean up lingering _identifiers. (946b584)
+   o Fix doxygen to use new macro conventions (da455e9)
+
+ Bugfixes:
+   o Do not use system EAI/AI values if we are not using the system
+     getaddrinfo. (7bcac07)
+
+ Sample Code:
+   o Fix up sample/event-test.c to use newer interfaces and make it
+     actually work. (19bab4f Ross Lagerwall)
+   o On Unix, remove event.fifo left by sample/event-test.c. (c0dacd2 Ross
+     Lagerwall)
+   o Rename event-test.c to event-read-fifo.c. (a5b370a Ross Lagerwall)
+   o event-read-fifo: Use EV_PERSIST appropriately (24dab0b)
 
 
 
-Changes in 2.0.7-rc (9 Sep 2010):
- [Autogenerated from the Git log, sorted and cleaned by hand.]
-NEW APIS
- o Expose a evdns_base_nameserver_sockaddr_add() function to add a nameserver by sockaddr (1952143)
- o Add event_config_set_num_cpus_hint() for tuning win32 IOCP thread pools, etc. (2447fe8 Christopher Davis)
 
-BUGFIXES
- o Fix a nasty dangling-event bug when using rate-limiting groups (0bffe43)
- o Clean up syntax on TAILQ_ENTRY() usage to build correctly with recent MSVC (60433a0 Gilad Benjamini)
- o Make definition of WIN32_LEAN_AND_MEAN in event.h conditional (3920172 Gilad Benjamini)
- o Correctly detect failure to delete bufferevent read-timeout event (da6e7cd)
- o Set close-on-exec bit for filedescriptors created by dns subsystem (d0b8843)
- o Fix kqueue correctness test on x84_64 (6123d12)
- o Detect events with no ev_base; warn instead of crashing (f1074b7)
- o Fix an issue with forking and signal socketpairs in select/poll backends (d61b2f3)
- o Stop using global arrays to implement the EVUTIL_ctype functions (1fdec20)
- o On windows, make lock/thread function tables static (5de2bcb)
- o Close th_notify_fds and open a new pair on reinit (495ed66)
- o Declare signal handler function as "__cdecl" on Windows (f0056d0)
- o Use the _func() replacements for open, fstat, etc in evutil.c on win32 (e50c0fc)
- o Only process up to MAX_DEFERRED deferred_cbs at a time (17a14f1 Christopher Davis)
-
-THREADING BUGFIXES
- o Avoid deadlock when activating signals (970e6ad)
- o Add a condition variable backend, with implementations for pthreads and win32 (d4977b5)
- o Use conditions instead of current_event_lock to fix a deadlock (e0972c2)
- o Fix logic error in win32 TRY_LOCK that caused problems with rate-limiting (4c32b9d)
- o Avoid needlessly calling evthread_notify_base() when the loop is not running (c7a06bf)
- o Minimize calls to base_notify implementation functions, thereby avoiding needless syscalls (4632b78)
-
-IOCP BUGFIXES
- o IOCP-related evbuffer fixes (03afa20 Christopher Davis)
- o Stop IOCP when freeing the event_base (d844242 Christopher Davis)
- o Some IOCP bufferevent tweaks (76f7e7a Christopher Davis)
-
-TESTS
- o Make the regress_pthread.c tests work on windows with current test APIs (d74ae38)
- o Add a unit test for conditions (5fb1095)
- o Allow more than one copy of regression tests to run at once (a97320a)
- o Fix event_del(0) instance in bench.c (b0f284c Shuo Chen)
- o Fix a few memory leaks in the tests (1115366)
- o IOCP-related unit test tweaks (499452f Christopher Davis)
- o Improve testing of when thread-notification occurs (ce85280)
-
-BUILD AND DISTRIBUTION
- o Add pkgconfig files for libevent_{openssl,pthreads} (ebcb1f0)
- o Change include order in Makefile.nmake (4022b28)
- o Make include/event2/event-config.h not included in source dist (a4af9be)
- o Honor NDEBUG; build without warnings with NDEBUG; make NDEBUG always-off in unit test code (743f866)
- o Declare evkeyvalq and event_list even if event_struct.h comes before sys/queue.h (d3ceca8)
- o Move evkeyvalq into a separate header for evhttp_parse_query users (ca9048f)
- o Prefer autoreconf -ivf to manual autogen.sh (7ea8e89)
-
-CLEANUP
- o Completely remove the (mostly-removed) obsolete thread functions (3808168)
- o Rename regress_pthread.c to regress_thread.c (041989f)
- o Make defer-internal.h use lock macros, not direct calls to lock fns (5218d2a)
-
-DOCUMENTATION
- o Document that DNS_NO_SEARCH is an obsolete alias for DNS_QUERY_NO_SEARCH (33200e7)
- o Update the whatsnew-2.0.txt document (4991669)
-
-
-
-Changes in 2.0.6-rc (6 Aug 2010):
- [Autogenerated from the Git log, sorted by hand.]
-DOCUMENTATION
- o Document a change in the semantics of event_get_struct_event_size() (e21f5d1)
- o Add a comment to describe our plan for library versioning (9659ece)
- o Fix sentence fragment in docs for event_get_struct_event_size() (7b259b6)
-
-NEW FEATURES AND INTERFACE CHANGES
- o Remove the obsolete evthread interfaces (c5bab56)
- o Let evhttp_send_error infer the right error reasons (3990669)
- o Add a function to retrieve the other side of a bufferevent pair (17a8e2d)
- o Add bufferevent_lock()/bufferevent_unlock() (215e629)
- o Stop asserting when asked for a (unsupported) TCP dns port. Just return NULL. (7e87a59)
- o Replace (unused,always 0) is_tcp argument to evdns_add_server_port*() with flags (e1c1167)
- o Constify a couple of arguments to evdns_server_request_add_*_reply (cc2379d)
- o Add an interface to expose min_share in ratelimiting groups (6ae53d6)
-
-BUGFIXES
- o Avoid event_del on uninitialized event in event_base_free (6d19510)
- o Add some missing includes to fix Linux build again (75701e8)
- o Avoid close of uninitialized socket in evbuffer unit test (bda21e7)
- o Correctly recognize .255 addresses as link-local when looking for interfaces (8c3452b)
- o If no evdns request can be launched, return NULL, not a handle (b14f151)
- o Use generic win32 interfaces, not ASCII-only ones, where possible. (899b0a3)
- o Fix the default HTTP error template (06bd056 Felix Nawothnig)
- o Close the file in evutil_read_file whether there's an error or not. (0798dd1 Pierre Phaneuf)
- o Fix possible nullptr dereference in evhttp_send_reply_end() (29b2e23 Felix Nawothnig)
- o never let bufferevent_rlim functions return negative (0859870)
- o Make sample/hello_world work on windows (d89fdba)
- o Fix a deadlock related to event-base notification.  Diagnosed by Zhou Li, Avi Bab, and Scott Lamb. (17522d2)
- o Possible fix to 100% cpu usage with epoll and openssl (cf249e7 Mike Smellie)
- o Don't race when calling event_active/event_add on a running signal event (fc5e0a2)
- o Suppress a spurious EPERM warning in epoll.c (e73cbde)
- o Fix wrong size calculation of iovec buffers when exact=1 (65abdc2 niks)
- o Change bufferevent_openssl::do_write so it doesn't call SSL_write with a 0 length buffer (c991317 Mike Smellie)
- o Fixed compilation of sample/le-proxy.c on win32 (13b912e Trond Norbye)
- o Fix rate-limit calculation on openssl bufferevents. (009f300)
- o Remember to initialize timeout events for bufferevent_async (de1f5d6 Christopher Davis)
-
-BUILD AND DISTRIBUTION CHANGES
- o Test the unlocked-deferred callback case of bufferevents (dfb75ab)
- o Remove the now-unusable EVTHREAD_LOCK/UNLOCK constants (fdfc3fc)
- o Use -Wlogical-op on gcc 4.5 or higher (d14bb92)
- o Add the libtool-generated /m4/* stuff to .gitignore (c21c663)
- o Remove some automake-generated files from version control. (9b14911)
- o Have autogen.sh pass --force-missing to automake (8a44062)
- o Set library version for libevent_pthreads correctly (b2d7440)
- o Really only add libevent_core.la to LIBADD on mingw (1425003 Sebastian Hahn)
- o Build more cleanly with NetBSDs that dislike toupper(char) (42a8c71)
- o Fix unit tests with -DUSE_DEBUG enabled (28f31a4)
- o Fix evdns build with -DUNICODE (5fa30d2)
- o Move event-config.h to include/event2 (ec347b9)
-
-TESTING
- o Add options to test-ratelim.c to check its results (2b44dcc)
- o Make test-ratelim clean up after itself better. (b5bfc44)
- o Remove the now-obsolete setup_test() and cleanup_test() functions (e73f1d7)
- o Remove all non-error prints from test/regress.c (8bc1e3d)
- o Make test.sh exit with nonzero status if tests fail (faf2a04)
- o Have the unit tests report errors from test.sh (3689bd2)
- o Fix logic in correcting high values from FIONREAD (3467f2f)
- o Add test for behavior on remote socket close (44d57ee)
- o Unit test for event_get_struct_event_size() (7510aac)
- o Make test/test.sh call test-changelist (7c92691)
- o Fix badly-behaved subtest of dns/bufferevent_connect_hostname (840a72f Joachim Bauch)
- o Add option to test-ratelim to test min_share (42f6b62)
- o Fix an assertion bug in test-ratelim (b2c6202)
- o Make tests quieter on local dns resolver failure (e996b3d)
- o Increase the tolerance in our unit tests for sloppy clocks. (170ffd2)
- o Use AF_INET socketpair to test sendfile on Solaris (9b60209)
- o Make test-changelist count cpu usage right on win32 (ea1ea3d)
-
-INTERNALS, PERFORMANCE, AND CODE CLEANUPS
- o Mark the event_err() functions as __attribute__((noreturn)) (33bbbed)
- o Do not check that event_base is set in EVBASE_ACQUIRE_LOCK (218a3c3)
- o Replace (safe) use of strcpy with memcpy to appease OpenBSD (caca2f4)
- o Remove some dead assignments (47c5dfb)
- o Fix a pedantic gcc 4.4 warning in event2/event.h (276e7ee)
- o Drain th_notify_fd[0] more bytes at a time. (a5bc15b)
- o Tidy up the code in evthread_make_base_notifiable a little (61e1eee)
- o Pass flags to fcntl(F_SETFL) and fcntl(F_SETFD) as int, not long (7c2dea1)
- o Remove unused variables in test/test-changelist.c (b00d4c0)
- o Fix whitespace. (cb927a5)
- o Improve error message for failed epoll to make debugging easier. (9e725f7)
- o Turn our socketpair() replacement into its own function (57b30cd)
-
-
-
-Changes in 2.0.5-beta (10 May 2010):
- [Autogenerated from the Git log, sorted by hand.]
-DOCUMENTATION
- o Update all our copyright notices to say "2010" (17efc1c)
- o Add Christopher Clark and Maxim Yegorushkin to the LICENSE file (38b7b57)
- o Clarify Christopher Clark's status as writer of original ht code. (78772c3)
- o Try to comment some of the event code more (cdd4c49)
- o Add a few more evmap/changelist comments (c247adc)
- o Add a comment to explain why evdns_request is now separte from request (ceefbe8)
- o Document evutil_secure_rng_init() and evutil_secure_rng_add_bytes() (a5bf43a)
- o Stop distributing and installing manpages: they were too inaccurate (7731ec8)
-
-NEW FEATURES AND INTERFACE CHANGES
- o Remove signal_assign() and signal_new() macros. (2fac0f7)
- o Make evdns use the regular logging system by default (b2f2be6)
- o Allow evbuffer_read() to split across more than 2 iovecs (e470ad3)
- o Functions to manipulate existing rate limiting groups. (ee41aca)
- o Functions to track the total bytes sent over a rate limit group. (fb366c1)
- o Detect and refuse reentrant event_base_loop() calls (b557b17)
- o Limit the maximum number of events on each socket to 65535 (819f949)
- o Add evbuffer_copyout to copy data from an evbuffer without draining (eb86c8c)
- o Expose the request and reply members of rpc_req_generic() (07edf78 Shuo Chen)
- o Add void* arguments to request_new and reply_new evrpc hooks (755fbf1 Shuo Chen)
- o Seed the RNG using sysctl() as well as /dev/urandom (71fc3eb)
- o Make evutil_secure_rng_init() work even with builtin arc4random (f980716)
- o Report DNS error when lookup fails during bufferevent_socket_connect_hostname. (0ef4070 Christopher Davis)
- o Release locks on bufferevents while executing callbacks (a5208fe Joachim Bauch) o Make debug mode catch mixed ET and non-ET events on an fd (cb67074)
- o Catch attempts to enable debug_mode too late (9ecf0d4)
- o Refuse null keys in evhttp_parse_query() (953e229 Frank Denis)
-
-BUGFIXES
- o Avoid a spurious close(-1) on Linux (70a44b6)
- o Do not close(-1) when freeing an uninitialized socket bufferevent (b34abf3)
- o Free evdns_base->req_heads on evdns_base_free (859af67)
- o Avoid an (untriggerable so far) crash bug in bufferevent_free() (0cf1431)
- o Set mem_offset for every bufferevent type (657d1b6)
- o Fix infrequent memory leak in bufferevent_init_common(). (8398641 Jardel Weyrich)
- o Make evutil_signal_active() match declaration. (e1e703d Patrick Galbraith)
- o Fix minheap code to use replacement malloc functions (a527618)
- o Fix a free(NULL) in minheap-internal.h (6f20492)
- o Fix critical bug in evbuffer_write when writev is not available (cda56ab)
- o Make the no_iovecs case of write_atmost compile (8e227b0)
- o Fix a memory leak when appending/prepending to a buffer with unused space. (45068a3)
- o Clean up a mistake in pointer manipulation in evbuffer_remove (28bfed4 Christopher Davis)
- o Always round up when there's a fractional number of msecs. (8f9e60c Christopher Davis)
- o Fix compiler warnings under WIN32 (d469c50 Giuseppe Scrivano)
- o Clean up properly when adding a signal handler fails. (b84b598 Gilad Benjamini) o Ensure that evdns_request is a persistent handle. (15bb82d Christopher Davis)
- o Free search state when finished searching to avoid an infinite loop. (a625840 Christopher Davis)
- o Assert for valid requests as necessary. (67072f3 Christopher Davis)
- o do not leak the request object on persistent connections (9d8edf2)
- o Make evdns logging threadsafe (b1c7950)
- o Fix a couple of bugs in the BSD sysctl arc4seed logic (a47a4b7)
- o Remove one last bug in last_with_datap logic. Found with valgrind (d49b92a)
- o fix a leak when unpausing evrpc requests (94ee125)
- o Fix a memory leak when unmarshalling RPC object arrays (f6ab2a2)
- o Fix compilation when openssl support is disabled (40c301b)
- o Allow empty reason line in HTTP status (739e688 Pierre Phaneuf)
- o Fix a compile warning introduced in 739e688 (bd1ed5f Sebastian Hahn)
- o Fix nonstandard TAILQ_FOREACH_REVERSE() definition (71afc52 Frank Denis)
- o Try /proc on Linux as entropy fallback; use sysctl as last resort (20fda29)
- o Fix symbol conflict between mm_*() macros and libmm (99e50e9)
- o Fix some crazy macro mistakes in arc4random.c (90d4225)
- o Make evbuffer_add_file() work on windows (dcdae6b)
- o Fix unused-variable warning when building with threads disabled (ad811cd)
- o Numerous opensolaris compilation fixes (c44de06)
- o Fix getaddrinfo with protocol unset on Solaris 9. Found by Dagobert Michelsen (2cf2a28)
- o Fix another nasty solaris getaddrinfo() behavior (3557071)
- o Define _REENTRANT as needed on Solaris, elsewhere (c1cd32a)
- o Fix some autoconf issues on OpenBSD (7c519df)
-
-BUILD AND DISTRIBUTION CHANGES
- o Distribute libevent.pc.in, not libevent.pc (22aff04)
- o Avoid errors in evutil.c when building with _UNICODE defined (b677032 Brodie Thiesfield)
- o Avoid errors in http.c when building with VC 2003 .NET (13e4f3b Brodie Thiesfield)
- o Support the standard 'make check' target in place of 'make verify' (426c8fb)
- o Remove redundant stuff from EXTRA_DIST (b660edf)
- o Switch to using AM conditionals in place of AC_LIBOBJ (2e898f5)
- o Remove an orphaned RELEASE flag in Makefile.am (0794b0d)
- o Give a better warning for bad automake versions. (77c917d)
- o Use dist_bin_SCRIPTS, not EXTRA_DIST, to distribute scripts (9eb2fd7)
- o Never test for select() on windows (3eb044d Trond Norbye)
- o Do not inhibit automake dependencies generation (10c4c90 Giuseppe Scrivano)
- o Create shared libraries under Windows (3cbca86 Giuseppe Scrivano)
- o Add ctags/etags files to .gitignore (0861d17)
- o Only specify -no-undefined on mingw (25433b9)
- o Only add libevent_core.la to LIBADD on mingw (fdc6297)
-
-TESTING
- o Get bench_http to work on Windows; add a switch to enable IOCP. (4ac38a5 Christopher Davis)
- o VC has no getopt(), so do without in bench_http. (1273d2f Christopher Davis)
- o Fix an obnoxious typo in the bufferevent_timeout_filter test (0d047c3)
- o Fix a write of uninitialized RAM in regression tests (68dc742)
- o Fix some memory leaks in the unit tests (274a7bd)
- o Make 'main/many_events' test 70 fds, not 64. (33874b0)
- o Unit-test every evbuffer_add_file() implementation. (06a4443)
- o Add more unit tests for evbuffer_expand (8c83e99)
- o Test another case of evbuffer_prepend (1234b95)
- o Fix a possible double-free bug in SSL bufferevents with CLOSE_ON_FREE (7501895) o Add dns/search_cancel unit test. (39b870b Christopher Davis)
- o Make http_base_test stop leaking an event_base. (96730d3)
- o Detect broken unsetenv at unit-test runtime (f37cd4c)
- o Implement regress_make_tempfile on win32 to test evbuffer_add_file (b4f12a1)
- o add more (currently skipped) add_file tests on win32 (05de45d)
- o Fix bench_http build on win32. (384d124)
- o Make unit test for add_file able to tell "error" from "done" (88a543f)
- o Make test for bufferevent_connect_hostname system-neutral (f89168e)
- o Make test.sh support mingw/msys on win32 (0ee6f6c)
- o Fix test.sh on freebsd (3d9e05b)
-
-INTERNALS, PERFORMANCE, AND AND CODE CLEANUPS
- o Improve the speed of evbuffer_readln() (cc1600a)
- o more whitespace normalization (2c2618d)
- o Revise evbuffer to add last_with_data (2a6d2a1)
- o Use last_with_data in place of previous_to_last (c8ac57f)
- o Remove previous_to_last from evbuffer (6f47bd1)
- o Fix last_with_data compilation on windows (1e7b986)
- o Add some glass-box tests for the last_with_data code. (17da042)
- o Improve robustness for refcounting (f1bc125)
- o Remove a needless min_heap_shift_up_() call (7204b91)
- o Increase MIN_BUFFER_SIZE to 512 (1024 on 64-bit) (2014ae4)
- o Do not use evbuffer_expand() to add the first chain to a buffer (5c0ebb3)
- o Make evbuffer_prepend handle empty buffers better (c87272b)
- o Replace last_with_data with a slightly smarter version (b7442f8)
- o Turn the increasingly complex *_CHAIN() macros into functions (96865c4)
- o Rewrite evbuffer_expand and its users (d5ebcf3)
- o Add evutil_tv_to_msec for safe conversion of timevals to milliseconds. (850c3ff Christopher Davis)
- o Initialize last_with_datap correctly in evbuffer_overlapped (a0983b6)
- o Replace EVUTIL_CLOSESOCKET macro with a function (899c1dc Sebastian Sjöberg)
- o Move domain search state to evdns_request. (beaa14a Christopher Davis)
- o Remove redundant checks for lock!=NULL before calling EVLOCK_LOCK (50ec59f)
- o Rename current_base symbol to event_global_current_base_ (c16e684)
- o Fix whitespace in evutil.c (935e150)
- o Replace users of "int fd" with "evutil_socket_t fd" in portable code (c7cf6f0)
-
-
-
-Changes in 2.0.4-alpha (28 Feb 2010):
- [Autogenerated from the Git log, sorted by hand.]
-DOCUMENTATION
- o Add stub header for 2.0.4-alpha changelog. (94d0065)
- o Improve the README with more information and links. (0b42726)
- o Add more people who wrote patches to the acknowledgments (0af10d5)
- o Add a warning about the use of event_initialized. (f32b575)
- o Add a LICENSE file so people can find our license easily (7067006)
- o Add a new "hello world" sample program (becb9f9)
- o Clarify status of example programs (d60a1bd)
- o Update time-test.c to use event2 (f4190bf)
- o Add the arc4random.c license to the LICENSE file. (e15e1e9)
-
-NEW FEATURES AND INTERFACE CHANGES
- o Improved optional lock debugging. (0cd3bb9)
- o Rate-limiting for bufferevents; group and individual limits are supported. (737c9cd)
- o Testing code for bufferevent rate-limiting. (f0c0124)
- o Make the initial nameserver probe timeout configurable. (1e56a32)
- o Revise the locking API: deprecate the old locking callbacks and add trylock. (347952f)
- o Do not make bufferevent_setfd implicitly disable EV_READ and EV_WRITE. (8274379)
- o Do not ignore bufferevent_enable(EV_READ) before bufferevent_connect(). (4a5b534)
- o Introduced evutil_make_socket_closeonexec() to preserve fd flags for F_SETFD. (d0939d2 Jardel Weyrich)
- o evdns_getaddrinfo() now supports the /etc/hosts file. (72dd666)
- o Look at the proper /etc/hosts file on windows. (66c02c7)
- o Allow http connections to use evdns for hostname looksups. (c698b77)
- o Changelist code to defer event changes until just before dispatch (27308aa)
- o do not use a function to assign the evdns base; instead assign it via evhttp_connection_base_new() which is a new function introduced in 2.0 (5032e52)
- o Functions to access more fields of struct event. (0683950)
- o Make kqueue use changelists. (45e5ae3)
- o Remove kqueue->pend_changes. (3225dfb)
- o Minimize epoll_ctl calls by using changelist (c8c6a89)
- o Add support for a "debug mode" to try to catch common errors. (cd17c3a)
- o Note a missing ratelim function (361da8f)
- o Add ev_[u]intptr_t to include/event2/util.h (1fa4c81)
- o const-ify a few more functions in event.h (d38a7a1)
- o Deprecate EVENT_FD and EVENT_SIGNAL. (f6b2694)
- o Remove EVUTIL_CHECK_FMT. (6c21c89)
- o Add EV_*_MAX macros to event2/util.h to expose limits for ev_* types. (aba1fff) o Functions to view and manipulate rate-limiting buckets. (85047a6)
- o Add the rest of the integer limits, and add a test for them. (60742d5)
- o Remove the 'flags' argument from evdns_base_set_option() (1dd7e6d)
- o Add an arc4random implementation for use by evdns (d4de062)
- o Use off_t for the length parameter of evbuffer_add_file (3fe60fd)
- o Construct Windows locks using InitializeCriticalSectionAndSpinCount (32c6f1b)
- o Expose view of current rate limit as constrained by group limit (162ce8a)
- o Provide consistent, tested semantics for bufferevent timeouts (d328829)
-
-BUGFIXES AND TESTS
- o Tolerate code that returns from a fatal_cb. (91fe23f)
- o Parenthesize macro arguments more aggressively (07e9e9b)
- o Fix memory-leak of signal handler array with kqueue. (e1ffbb8)
- o Stop passing EVTHREAD_READ and EVTHREAD_WRITE to non-rw locks. (76cd2b7)
- o Fix two use-after-free bugs in unit tests spoted by lock debugging (d84d838)
- o Fix a locking bug in event_base_loop() (da1718b)
- o Fix an evdns lock violation. (2df1f82 Zhuang Yuyao)
- o Valgrind fix: Clear struct kevent before checking for OSX bug. (56771a3 William Ahern)
- o Fix up evthread compilation on windows (bd6f1ba Roman Puls)
- o Fix regress_iocp.c usage of old lock allocation macros. (31687b4 unknown)
- o Update nmake makefile to build evthread.c (b62d979 unknown)
- o Fix a crash when reading badly formatted resolve.conf; from Yasuoka Masahiko (6c7c579 Yasuoka Masahiko)
- o Fix a snow leopard compile warning in the unit tests. (7ae9445)
- o Fix compile on Snow Leopard with gcc warnings enabled (70cdfe4 Sebastian Hahn)
- o Only define _GNU_SOURCE if it is not already defined. (ea6b1df Joachim Bauch)
- o Update sample/signal-test.c to use newer APIs and not leak. (f6430ac Evan Jones)
- o Fix a segfault when writing a very fragmented evbuffer onto an SSL (a6adeca Joachim Bauch)
- o Fix a segfault when freeing SSL bufferevents in an unusual order (a773df5 Joachim Bauch)
- o Drop install-sh from our git repo: a mismatched version could break "make dist" (6799527)
- o Set all instances of the version number correctly. (5a112d3)
- o Fix a few locking issues on windows. (c51bb3c unknown)
- o Use evutil_socket_t, not int, when logging socket errors. (292467c)
- o Fix up behavior of never-defered callbacks a little (390e056)
- o Replace some cases of uint32_t with ev_uint32_t. (a47d88d)
- o Fix compilation of devpoll.c by adding missing thread includes. (fee2c77 Dagobert Michelsen)
- o Make evutil_make_socket_nonblocking() leave any other flags alone. (4c8b7cd Jardel Weyrich)
- o Fix an fd leak in evconnlistener_new_bind(). (24fb502 Jardel Weyrich)
- o Fix a bogus free in evutil_new_addrinfo() (0d64051 Jardel Weyrich)
- o Adjusted fcntl() retval comparison on evutil_make_socket_nonblocking(). (4df7dbc Jardel Weyrich)
- o Fix the code that allowed DNS options to not end with : (ee4953f)
- o Fix crash bugs when a bufferevent's eventcb is not set. (2e8eeea)
- o Fix test-ratelim compilation on Linux. (885b427)
- o Fix compilation of rate-limiting code on win32. (165d30e)
- o Eradicated the last free() call. Let mm_free() take care of deallocation. (0546ce1 Jardel Weyrich)
- o Fix byte counts when mixing deferred and non-deferred evbuffer callbacks. (29151e6)
- o Fixed a memory leak on windows threads implementation. The CRITICAL_SECTION was not being free'd in evthread_win32_lock_free(). (2f33e00 Jardel Weyrich)
- o Fixed a fd leak in start_accepting(), plus cosmetic changes (4367a33 Jardel Weyrich)
- o Improved error handling in evconnlistener_new_async(). Also keeping the fd open because it is not opened by this function, so the caller is responsible for closing it. Additionally, since evconnlistener_new_bind() creates a socket and passes it to the function above, it required error checking to close the same socket. (fec66f9 Jardel Weyrich)
- o Don't use a bind address for nameservers on loopback (8d4aaf9)
- o Fix compilation of rate-limit code when threading support is disabled (97a8c79)
- o Detect setenv/unsetenv; skip main/base_environ test if we can't fake them. (7296971)
- o Check more internal event_add() calls for failure (ff3f6cd)
- o Fix windows and msvc build (5c7a7bc)
- o Call event_debug_unassign on internal events (a19b4a0)
- o Try to fix a warning in hash_debug_entry (137f2c6)
- o Fix a dumb typo in ev_intptr_t definitions. (27c9a40)
- o do not fail while sending on http connections the client closed. (93d7369)
- o make evhttp_send() safe against terminated connections, too (3978180)
- o Make Libevent 1.4.12 build on win32 with Unicode enabled. (000a33e Brodie Thiesfield)
- o Fix some additional -DUNICODE issues on win32. (a7a9431)
- o Add a check to make soure our EVUTIL_AI flags do not conflict with the native ones (c18490e)
- o Always use our own gai_strerror() replacement. (6810bdb)
- o Make RNG work when we have arc4random() but not arc4random_buf() (4ec8fea)
- o validate close cb on server when client connection closes (2f782af)
- o Fix two unlocked reads in evbuffer. (7116bf2)
- o When working without a current event base, don't try to use IOCP listeners (cb52838)
- o Fix getpid() usage on Windows (ff2a134)
- o Add a unit test for secure rng. (48a29b6)
- o Add some headers to fix freebsd compilation (b72be50)
- o When connect() succeeds immediately, don't invoke the callback immediately. (7515de9)
- o Suspend read/write on bufferevents during hostname lookup (db08f64)
- o Make bufferevent_free() clear all callbacks immediately. (b2fbeb3)
- o Fix some race conditions in persistent events and event_reinit (e2642f0)
- o Fix a bug in resetting timeouts on persistent events when IO triggers. (38ec0a7)
- o Add a test for timeouts on filtering bufferevents. (c02bfe1)
- o Add test for periodic timers that get activated for other reasons (8fcb7a1)
- o Use new timeval diff comparison function in bufferevent test (f3dfe46)
- o Delete stack-alloced event in new unit test before returning. (7ffd387)
- o Fix mingw compilation (23170a6)
- o Try to define a sane _EVENT_SIZEOF_SIZE_T for msvc compilation (1e14f82)
- o Fix arc4random compilation on MSVC. (98edb89)
- o deal with connect() failing immediately (7bc48bf)
- o Small cleanups on freebsd-connect-refused patch. (57b7248)
-
-BUILD AND DISTRIBUTION CHANGES
- o Remove the contents of WIN32-Prj as unmaintained. (c69d5a5)
- o Allow the user to redirect the verbose output of test/test.sh to a file (c382de6)
- o Allow test.sh to be run as ./test/test.sh (7dfbe94)
- o Never believe that we have pthreads on win32, even if gcc thinks we do. (78ed097)
- o Make it compile under gcc --std=c89. (e2ca403)
- o Fix a number of warnings from gcc -pedantic (918e9c5)
- o Add the msvc-generated .lib files to .gitignore. (e244a2e)
- o Add the "compile" script to gitignore. (1ba6bed)
-
-INTERNALS AND CODE CLEANUPS
- o Add a .gitignore file. (ba34071)
- o New EVTHREAD_TRY_LOCK function to try to grab a lock. (689fc09)
- o Add the abilitity to mark some buffer callbacks as never-deferred. (438f9ed)
- o Refactor our 'suspend operation' logic on bufferevents. (0d744aa)
- o Simplify the read high-watermark checking. (5846bf6)
- o Improve readability of evutil_unparse_protoname() (5a43df8 Jardel Weyrich)
- o Expose our cached gettimeofday value with a new interface (47854a8)
- o Whitespace fixes in test.sh (0b151a9)
- o Enable branch-prediction hints with EVUTIL_UNLIKELY. (eaaf27f)
- o Refactor code from evdns into a new internal "read a file" function. (0f7144f)
- o Comestic changes in evconnlistener_new(), new_accepting_socket(), accepted_socket_invoke_user_cb() and iocp_listener_enable(). (510ab6b Jardel Weyrich)
- o Add unit-test for bad_request bug fixed in 1.4 recently. (6cc79c6 Pavel Plesov) o Add a comment on evthread_enable_lock_debuging. (b9f43b2)
- o Fix test.sh on shells without echo -n (94131e9)
- o More unit tests for getaddrinfo_async: v4timeout and cancel. (a334b31)
- o Make http use evconnlistener. (ec34533)
- o move dns utility functions into a separate file so that we can use them for http testing (b822639)
- o add a test for evhttp_connection_base_new with a dns_base (26714ca)
- o forgot to add void to test function (78a50fe)
- o Add a forgotten header (changelist-internal.h) (4b9f307)
- o Remove some commented-out code in evutil (26e1b6f)
- o Remove a needless include of rpc_compat.h (70a4a3e)
- o Use less memory for each entry in a hashtable (a66e947)
- o Try to untangle the logic in server_port_flush(). (439aea0)
- o Use ev_[u]intptr_t types in place of [u]intptr_t (cef61a2)
- o Reduce windows header includes in our own headers. (da6135e)
- o clean up terminate_chunked test (e8a9782)
- o Increment the submicro version number. (63e868e)
- o Update event-config.h version number to match configure.in (aae7db5)
- o Clean up formatting: Disallow space-before-tab. (8fdf09c)
- o Clean up formatting: use tabs, not 8-spaces, to indent. (e5bbd40)
- o Clean up formatting: remove trailing spaces (e5cf987)
- o Clean up formatting: function/keyword spacing consistency. (4faeaea)
-
-
-
-Changes in 2.0.3-alpha (20 Nov 2009):
- o Add a new code to support SSL/TLS on bufferevents, using the OpenSSL library (where available).
- o Fix a bug where we didn't allocate enough memory in event_get_supported_methods().
- o Avoid segfault during failed allocation of locked evdns_base. (Found by Rocco Carbone.)
- o Export new evutil_ascii_* functions to perform locale-independent character type operations.
- o Try to compile better with MSVC: patches from Brodie Thiesfield
- o New evconnlistener_get_fd function to expose a listener's associated socket.
- o Expose an ev_socklen_t type for consistent use across platforms.
- o Make bufferevent_socket_connect() work when the original fd was -1.
- o Fix a bug in bufferevent_socket_connect() when the connection succeeds too quickly.
- o Export an evutil_sockaddr_cmp() to compare to sockaddr objects for equality.
- o Add a bufferevent_get_enabled() to tell what a bufferevent has been configured to do.
- o Add an evbuffer_search_eol() function to locate the end of a line nondestructively.
- o Add an evbuffer_search_range() function to search a bounded range of a buffer.
- o Fix a rare crash bug in evdns.
- o Have bufferevent_socket_connect() with no arguments put a bufferevent into connecting mode.
- o Support sendfile on Solaris: patch from Caitlin Mercer.
- o New functions to explicitly reference a socket used by an evhttp object. Patches from David Reiss.
- o When we send a BEV_EVENT_CONNECTED to indicate connected status, we no longer invoke the write callback as well unless we actually wrote data too.
- o If the kernel tells us that there are a negative number of bytes to read from a socket, do not believe it.  Fixes bug 2841177; found by Alexander Pronchenkov.
- o Do not detect whether we have monotonic clock support every time a new event base is created: instead do it only once.  Patch taken from Chromium.
- o Do not allocate the maximum event queue for the epoll backend at startup.  Instead, start out accepting 32 events at a time, and double the queue's size when it seems that the OS is generating events faster than we're requesting them.  Saves up to 374K per epoll-based event_base.  Resolves bug 2839240.
- o Treat an event with a negative fd as valid but untriggerable by Libevent.  This is useful for applications that want to manually activate events.
- o Fix compilation on Android, which forgot to define fd_mask in its sys/select.h
- o Do not drop data from evbuffer when out of memory; reported by Jacek Masiulaniec
- o New event_base_got_exit() and event_base_got_break() functions to tell whether an event loop exited because of an event_base_loopexit() or an event_base_loopbreak().  Patch from Ka-Hing Cheung.
- o When adding or deleting an event from a non-main thread, only wake up the main thread when its behavior actually needs to change.
- o Fix some bugs when using the old evdns interfaces to initialize the evdns module.
- o Detect errors during bufferevent_connect().  Patch from Christopher Davis.
- o Fix compilation for listener.h for C++ - missing extern "C".  Patch from Ferenc Szalai.
- o Make the event_base_loop() family of functions respect thread-safety better.  This should clear up a few hard-to-debug race conditions.
- o Fix a bug when using a specialized memory allocator on win32.
- o Have the win32 select() backend label TCP-socket-connected events as EV_WRITE, not EV_READ.  This should bring it in line with the other backends, and improve portability.  Patch from Christopher Davis.
- o Stop using enums as arguments or return values when what we mean is a bitfield of enum values.  C++ doesn't believe that you can OR two enum values together and get another enum, and C++ takes its typing seriously.  Patch from Christopher Davis.
- o Add an API to replace all fatal calls to exit() with a user-provided panic function.
- o Replace all assert() calls with a variant that is aware of the user-provided logging and panic functions.
- o Add a return value to event_assign so that it can fail rather than asserting when the user gives it bad input.  event_set still dies on bad input.
- o The event_base_new() and event_base_new_with_config() functions now never call exit() on failure.  For backward "compatibility", event_init() still does, but more consistently.
- o Remove compat/sys/_time.h.  It interfered with system headers on HPUX, and its functionality has been subsumed by event2/util.h and util-internal.h.
- o Add a new bufferevent_socket_connect_hostname() to encapsulate the resolve-then-connect operation.
- o Build kqueue.c correctly on GNU/kFreeBSD platforms. Patch pulled upstream from Debian.
- o Alternative queue-based timeout algorithm for programs that use a large number of timeouts with the same value.
- o New event_base_config option to disable the timeval cache entirely.
- o Make EV_PERSIST timeouts more accurate: schedule the next event based on the scheduled time of the previous event, not based on the current time.
- o Allow http.c to handle cases where getaddrinfo returns an IPv6 address.  Patch from Ryan Phillips.
- o Fix a problem with excessive memory allocation when using multiple event priorities.
- o Default to using arc4random for DNS transaction IDs on systems that have it; from OpenBSD.
- o Never check the environment when we're running setuid or setgid; from OpenBSD.
- o Options passed to evdns_set_option() no longer need to end with a colon.
- o Add an evutil_getaddrinfo() function to clone getaddrinfo on platforms that don't have it.
- o Add an evdns_getaddrinfo() function to provide a nonblocking getaddrinfo using evdns, so programs can perform useful hostname lookup.
- o Finally expose the IOCP-based bufferevent backend.  It passes its unit tests, but probably still has some bugs remaining.  Code by Nick Mathewson and Christopher Davis.
- o Numerous other bugfixes.
- o On FreeBSD and other OSes, connect can return ECONREFUSED immediately; instead of failing the function call, pretend with faileld in the callback.
- o Fix a race condition in the pthreads test case; found by Nick Mathewson
- o Remove most calls to event_err() in http and deal with memory errors instead
-
-
-
-Changes in 2.0.2-alpha (25 Jul 2009):
- o Add a new flag to bufferevents to make all callbacks automatically deferred.
- o Make evdns functionality locked, and automatically defer dns callbacks.
- o Fix a possible free(NULL) when freeing an event_base with no signals.
- o Add a flag to disable checking environment varibles when making an event_base
- o Disallow setting less than 1 priority.
- o Fix a bug when removing a timeout from the heap. [Patch from Marko Kreen]
- o Use signal.h, not sys/signal.h. [Patch from mmadia]
- o Try harder to build with certain older c99 compilers.
- o Make sure that an event_config's flags field is always initialized to 0. [Bug report from Victor Goya]
- o Avoid data corruption when reading data entirely into the second-to-last chain of an evbuffer. [Bug report from Victor Goya]
- o Make sendfile work on FreeBSD
- o Do not use vararg macros for accessing evrpc structures; this is not backwards compatible, but we did not promise any backwards compatibility for the rpc code.
- o Actually define the event_config_set_flag() function.
- o Try harder to compile with Visual C++.
- o Move event_set() and its allies to event2/event_compat.h where they belong.
- o Remove the event_gotsig code, which has long been deprecated and unused.
- o Add an event_get_base() function to return the base assigned to an event.
- o New function to automate connecting on a socket-based bufferevent.
- o New functions to automate listening for incoming TCP connections.
- o Do case-insensitive checks with a locale-independent comparison function.
- o Rename the evbuffercb and everrorcb callbacks to bufferevent_data_cb and bufferevent_event_cb respectively.  The old names are available in bufferevent_compat.h.
- o Rename the EVBUFFER_* codes used by bufferevent event callbacks to BEV_EVENT_*, to avoid namespace collision with evbuffer flags.  The old names are available in bufferevent_compat.h.
- o Move the EVBUFFER_INPUT and EVBUFFER_OUTPUT macros to bufferevent_compat.h
- o Add a bufferevent_getfd() function to mirror bufferevent_setfd()
- o Make bufferevent_setfd() return an error code if the operation is not successful.
- o Shave 22 bytes off struct event on 32-bit platforms by shrinking and re-ordering fields.  The savings on 64-bit platforms is likely higher.
- o Cap the maximum number of priorities at 256.
- o Change the semantics of evbuffer_cb_set_flags() to be set-flag only; add a new evbuffer_cb_clear_flags() to remove set flags.
- o Change the interface of evbuffer_add_reference so that the cleanup callback gets more information
- o Revise the new evbuffer_reserve_space/evbuffer_commit_space() interfaces so that you can use them without causing extraneous copies or leaving gaps in the evbuffer.
- o Add a new evbuffer_peek() interface to inspect data in an evbuffer without removing it.
- o Fix a deadlock when suspending reads in a bufferevent due to a full buffer. (Spotted by Joachim Bauch.)
- o Fix a memory error when freeing a thread-enabled event base with registered events. (Spotted by Joachim Bauch.)
- o Try to contain degree of failure when running on a win32 version so heavily firewalled that we can't fake a socketpair.
- o Activate fd events in a pseudorandom order with O(N) backends, so that we don't systematically favor low fds (select) or earlier-added fds (poll, win32).
- o Replace some read()/write() instances with send()/recv() to work properly on win32.
- o Set truncated flag correctly in evdns server replies.
- o Raise RpcGenError in event_rpcgen.py; from jmanison and Zack Weinberg
- o Fix preamble of rpcgen-generated files to rely on event2 includes; based on work by jmansion; patch from Zack Weinberg.
- o Allow specifying the output filename for rpcgen; based on work by jmansion; patch from Zack Weinberg.
- o Allow C identifiers as struct names; allow multiple comments in .rpc files; from Zack Weinberg
- o Mitigate a race condition when using socket bufferevents in multiple threads.
- o Use AC_SEARCH_LIBS, not AC_CHECK_LIB to avoid needless library use.
- o Do not allow event_del(ev) to return while that event's callback is executing in another thread.  This fixes a nasty race condition.
- o event_get_supported_methods() now lists methods that have been disabled with the EVENT_NO* environment options.
- o Rename encode_int[64] to evtag_encode_int[64] to avoid polluting the global namespace.  The old method names are still available as macros in event2/tag_compat.h.
-
-
-
-Changes in 2.0.1-alpha (17 Apr 2009):
- o free minheap on event_base_free(); from Christopher Layne
- o debug cleanups in signal.c; from Christopher Layne
- o provide event_base_new() that does not set the current_base global
- o bufferevent_write now uses a const source argument; report from Charles Kerr
- o improve documentation on event_base_loopexit; patch from Scott Lamb
- o New function, event_{base_}loopbreak.  Like event_loopexit, it makes an event loop stop executing and return.  Unlike event_loopexit, it keeps subsequent pending events from getting executed.  Patch from Scott Lamb
- o Check return value of event_add in signal.c
- o provide event_reinit() to reintialize an event_base after fork
- o New function event_set_mem_functinons.  It allows the user to give libevent replacement functions to use for memory management in place of malloc(), free(), etc.  This should be generally useful for memory instrumentation, specialized allocators, and so on.
- o The kqueue implementation now catches signals that are raised after event_add() is called but before the event_loop() call.  This makes it match the other implementations.
- o The kqueue implementation now restores original signal handlers correctly when its signal events are removed.
- o Check return value of event_add in signal.c
- o Add a more powerful evbuffer_readln as a replacement for evbuffer_readline.  The new function handles more newline styles, and is more useful with buffers that may contain a nul characters.
- o Do not mangle socket handles on 64-bit windows.
- o The configure script now takes an --enable-gcc-warnigns option that turns on many optional gcc warnings.  (Nick has been building with these for a while, but they might be useful to other developers.)
- o move EV_PERSIST handling out of the event backends
- o small improvements to evhttp documentation
- o always generate Date and Content-Length headers for HTTP/1.1 replies
- o set the correct event base for HTTP close events
- o When building with GCC, use the "format" attribute to verify type correctness of calls to printf-like functions.
- o Rewrite win32.c backend to be O(n lg n) rather than O(n^2).
- o Removed obsoleted recalc code
- o support for 32-bit tag numbers in rpc structures; this is wire compatible, but changes the API slightly.
- o pull setters/getters out of RPC structures into a base class to which we just need to store a pointer; this reduces the memory footprint of these structures.
- o prefix {encode,decode}_tag functions with evtag to avoid collisions
- o fix a bug with event_rpcgen for integers
- o Correctly handle DNS replies with no answers set (Fixes bug 1846282)
- o add -Wstrict-aliasing to warnings and more cleanup
- o removed linger from http server socket; reported by Ilya Martynov
- o event_rpcgen now allows creating integer arrays
- o support string arrays in event_rpcgen
- o change evrpc hooking to allow pausing of RPCs; this will make it possible for the hook to do some meaning ful work; this is not backwards compatible.
- o allow an http request callback to take ownership of a request structure
- o allow association of meta data with RPC requests for hook processing
- o associate more context for hooks to query such as the connection object
- o remove pending timeouts on event_base_free()
- o also check EAGAIN for Solaris' event ports; from W.C.A. Wijngaards
- o devpoll and evport need reinit; tested by W.C.A Wijngaards
- o event_base_get_method; from Springande Ulv
- o Send CRLF after each chunk in HTTP output, for compliance with RFC2626.  Patch from "propanbutan".  Fixes bug 1894184.
- o Add a int64_t parsing function, with unit tests, so we can apply Scott Lamb's fix to allow large HTTP values.
- o Use a 64-bit field to hold HTTP content-lengths.  Patch from Scott Lamb.
- o Allow regression code to build even without Python installed
- o remove NDEBUG ifdefs from evdns.c
- o detect integer types properly on platforms without stdint.h
- o udpate documentation of event_loop and event_base_loop; from Tani Hosokawa.
- o simplify evbuffer by removing orig_buffer
- o do not insert event into list when evsel->add fails
- o add support for PUT/DELETE requests; from Josh Rotenberg
- o introduce evhttp_accept_socket() to accept from an already created socket
- o include Content-Length in reply for HTTP/1.0 requests with keep-alive
- o increase listen queue for http sockets to 128; if that is not enough the evhttp_accpet_socket() api can be used with a prepared socket.
- o Patch from Tani Hosokawa: make some functions in http.c threadsafe.
- o test support for PUT/DELETE requests; from Josh Rotenberg
- o rewrite of the evbuffer code to reduce memory copies
- o Some older Solaris versions demand that _REENTRANT be defined to get strtok_r(); do so.
- o Do not free the kqop file descriptor in other processes, also allow it to be 0; from Andrei Nigmatulin
- o Provide OpenSSL style support for multiple threads accessing the same event_base
- o make event_rpcgen.py generate code include event-config.h; reported by Sam Banks.
- o switch thread support so that locks get allocated as they are needed.
- o make event methods static so that they are not exported; from Andrei Nigmatulin
- o make RPC replies use application/octet-stream as mime type
- o do not delete uninitialized timeout event in evdns
- o Correct the documentation on buffer printf functions.
- o Don't warn on unimplemented epoll_create(): this isn't a problem, just a reason to fall back to poll or select.
- o Correctly handle timeouts larger than 35 minutes on Linux with epoll.c.  This is probably a kernel defect, but we'll have to support old kernels anyway even if it gets fixed.
- o Make name_from_addr() threadsafe in http.c
- o Add new thread-safe interfaces to evdns functions.
- o Make all event_tagging interfaces threadsafe.
- o Rename internal memory management functions.
- o New functions (event_assign, event_new, event_free) for use by apps that want to be safely threadsafe, or want to remain ignorant of the contents of struct event.
- o introduce bufferevent_read_buffer; allows reading without memory copy.
- o expose bufferevent_setwatermark via header files and fix high watermark on read
- o fix a bug in buffrevent read water marks and add a test for them
- o fix a bug in which bufferevent_write_buffer would not schedule a write event
- o provide bufferevent_input and bufferevent_output without requiring knowledge of the structure
- o introduce bufferevent_setcb and bufferevent_setfd to allow better manipulation of bufferevents
- o convert evhttp_connection to use bufferevents.
- o use libevent's internal timercmp on all platforms, to avoid bugs on old platforms where timercmp(a,b,<=) is buggy.
- o Remove the never-exported, never-used evhttp_hostportfile function.
- o Support input/output filters for bufferevents; somewhat similar to libio's model.  This will allow us to implement SSL, compression, etc, transparently to users of bufferevents such as the http layer.
- o allow connections to be removed from an rpc pool
- o add new evtimer_assign, signal_assign, evtimer_new, and signal_new functions to manipulate timer and signal events, analagous to the now-recommended event_assign and event_new
- o switch internal uses of event_set over to use event_assign.
- o introduce evbuffer_contiguous_space() api that tells a user how much data is available in the first buffer chain
- o introduce evbuffer_reserve_space() and evbuffer_commit_space() to make processing in filters more efficient.
- o reduce system calls for getting current time by caching it.
- o separate signal events from io events; making the code less complex.
- o support for periodic timeouts
- o support for virtual HTTP hosts.
- o turn event_initialized() into a function, and add function equivalents to EVENT_SIGNAL and EVENT_FD so that people don't need to include event_struct.h
- o Build test directory correctly with CPPFLAGS set.
- o Provide an API for retrieving the supported event mechanisms.
- o event_base_new_with_config() and corresponding config APIs.
- o migrate the evhttp header to event2/ but accessors are still missing.
- o deprecate timeout_* event functions by moving them to event_compat.h
- o Move	windows gettimeofday replacement into a new evutil_gettimeofday().
- o Make configure script work on IRIX.
- o provide a method for canceling ongoing http requests.
- o Make vsnprintf() returns consistent on win32.
- o Fix connection keep-alive behavior for HTTP/1.0
- o Fix use of freed memory in event_reinit; pointed out by Peter Postma
- o constify struct timeval * where possible
- o make event_get_supported_methods obey environment variables
- o support for edge-triggered events on epoll and kqueue backends: patch from Valery Kholodkov
- o support for selecting event backends by their features, and for querying the features of a backend.
- o change failing behavior of event_base_new_with_config: if a config is provided and no backend is selected, return NULL instead of aborting.
- o deliver partial data to request callbacks when chunked callback is set even if there is no chunking on the http level; allows cancelation of requests from within the chunked callback; from Scott Lamb.
- o allow min_heap_erase to be called on removed members; from liusifan.
- o Rename INPUT and OUTPUT to EVRPC_INPUT and EVRPC_OUTPUT.  Retain INPUT/OUTPUT aliases on on-win32 platforms for backwards compatibility.
- o Do not use SO_REUSEADDR when connecting
- o Support 64-bit integers in RPC structs
- o Correct handling of trailing headers in chunked replies; from Scott Lamb.
- o Support multi-line HTTP headers; based on a patch from Moshe Litvin
- o Reject negative Content-Length headers; anonymous bug report
- o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report	
- o Various HTTP correctness fixes from Scott Lamb
- o Fix a bug where deleting signals with the kqueue backend would cause subsequent adds to fail
- o Support multiple events listening on the same signal; make signals regular events that go on the same event queue; problem report by Alexander Drozdov.
- o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov.	
- o Fix off-by-one errors in devpoll; from Ian Bell
- o Make event_add not change any state if it fails; reported by Ian Bell.
- o Fix a bug where headers arriving in multiple packets were not parsed; fix from Jiang Hong; test by me.
- o Match the query in DNS replies to the query in the request; from Vsevolod Stakhov.
- o Add new utility functions to correctly observe and log winsock errors.
- o Do not remove Accept-Encoding header
- o Clear the timer cache on entering the event loop; reported by Victor Chang
- o Only bind the socket on connect when a local address has been provided; reported by Alejo Sanchez
- o Allow setting of local port for evhttp connections to support millions of connections from a single system; from Richard Jones.
- o Clear the timer cache when leaving the event loop; reported by Robin Haberkorn
- o Fix a typo in setting the global event base; reported by lance.
- o Set the 0x20 bit on outgoing alphabetic characters in DNS requests randomly, and insist on a match in replies.  This helps resist DNS poisoning attacks.
- o Make the http connection close detection work properly with bufferevents and fix a potential memory leak associated with it.
- o Restructure the event backends so that they do not need to keep track of events themselves, as a side effect multiple events can use the same fd or signal.
- o Add generic implementations for parsing and emiting IPv6 addresses on platforms that do not have inet_ntop and/or inet_pton.
- o Allow DNS servers that have IPv6 addresses.
- o Add an evbuffer_write_atmost() function to write a limited number of bytes to an fd.
- o Refactor internal notify-main-thread logic to prefer eventfd to pipe, then pipe to socketpair, and only use socketpairs as a last resort.
- o Try harder to pack all evbuffer reads into as few chains as possible, using readv/WSARecv as appropriate.
- o New evthread_use_windows_threads() and evthread_use_pthreads() functions to set up the evthread callbacks with reasonable defaults.
- o Change the semantics of timeouts in conjunction with EV_PERSIST; timeouts in that case will now repeat until deleted.
- o sendfile, mmap and memory reference support for evbuffers.
- o New evutil_make_listen_socket_reuseable() to abstract SO_REUSEADDR.
- o New bind-to option to allow DNS clients to bind to an arbitrary port for outgoing requests.
- o evbuffers can now be "frozen" to prevent operations at one or both ends.
- o Bufferevents now notice external attempts to add data to an inbuf or remove it from an outbuf, and stop them.
- o Fix parsing of queries where the encoded queries contained \r, \n or +
- o Do not allow internal events to starve lower-priority events.
-
-Changes in 1.4.0:
- o allow \r or \n individually to separate HTTP headers instead of the standard "\r\n"; from Charles Kerr.
- o demote most http warnings to debug messages
- o Fix Solaris compilation; from Magne Mahre
- o Add a "Date" header to HTTP responses, as required by HTTP 1.1.
- o Support specifying the local address of an evhttp_connection using set_local_address
- o Fix a memory leak in which failed HTTP connections whould not free the request object
- o Make adding of array members in event_rpcgen more efficient, but doubling memory allocation
- o Fix a memory leak in the DNS server
- o Fix compilation when DNS_USE_OPENSSL_FOR_ID is enabled
- o Fix buffer size and string generation in evdns_resolve_reverse_ipv6().
- o Respond to nonstandard DNS queries with "NOTIMPL" rather than by ignoring them.
- o In DNS responses, the CD flag should be preserved, not the TC flag.
- o Fix http.c to compile properly with USE_DEBUG; from Christopher Layne
- o Handle NULL timeouts correctly on Solaris; from Trond Norbye
- o Recalculate pending events properly when reallocating event array on Solaris; from Trond Norbye
- o Add Doxygen documentation to header files; from Mark Heily
- o Add a evdns_set_transaction_id_fn() function to override the default
-   transaction ID generation code.
- o Add an evutil module (with header evutil.h) to implement our standard cross-platform hacks, on the theory that somebody else would like to use them too.
- o Fix signals implementation on windows.
- o Fix http module on windows to close sockets properly.
- o Make autogen.sh script run correctly on systems where /bin/sh isn't bash. (Patch from Trond Norbye, rewritten by Hagne Mahre and then Hannah Schroeter.)
- o Skip calling gettime() in timeout_process if we are not in fact waiting for any events. (Patch from Trond Norbye)
- o Make test subdirectory compile under mingw.
- o Fix win32 buffer.c behavior so that it is correct for sockets (which do not like ReadFile and WriteFile).
- o Make the test.sh script run unit tests for the evpoll method.
- o Make the entire evdns.h header enclosed in "extern C" as appropriate.
- o Fix implementation of strsep on platforms that lack it
- o Fix implementation of getaddrinfo on platforms that lack it; mainly, this will make Windows http.c work better.  Original patch by Lubomir Marinov.
- o Fix evport implementation: port_disassociate called on unassociated events resulting in bogus errors; more efficient memory management; from Trond Norbye and Prakash Sangappa
- o support for hooks on rpc input and output; can be used to implement rpc independent processing such as compression or authentication.
- o use a min heap instead of a red-black tree for timeouts; as a result finding the min is a O(1) operation now; from Maxim Yegorushkin
- o associate an event base with an rpc pool
- o added two additional libraries: libevent_core and libevent_extra in addition to the regular libevent.  libevent_core contains only the event core whereas libevent_extra contains dns, http and rpc support
- o Begin using libtool's library versioning support correctly.  If we don't mess up, this will more or less guarantee binaries linked against old versions of libevent continue working when we make changes to libevent that do not break backward compatibility.
- o Fix evhttp.h compilation when TAILQ_ENTRY is not defined.
- o Small code cleanups in epoll_dispatch().
- o Increase the maximum number of addresses read from a packet in evdns to 32.
- o Remove support for the rtsig method: it hasn't compiled for a while, and nobody seems to miss it very much.  Let us know if there's a good reason to put it back in.
- o Rename the "class" field in evdns_server_request to dns_question_class, so that it won't break compilation under C++.  Use a macro so that old code won't break.  Mark the macro as deprecated.
- o Fix DNS unit tests so that having a DNS server with broken IPv6 support is no longer cause for aborting the unit tests.
- o Make event_base_free() succeed even if there are pending non-internal events on a base.  This may still leak memory and fds, but at least it no longer crashes.
- o Post-process the config.h file into a new, installed event-config.h file that we can install, and whose macros will be safe to include in header files.
- o Remove the long-deprecated acconfig.h file.
- o Do not require #include <sys/types.h> before #include <event.h>.
- o Add new evutil_timer* functions to wrap (or replace) the regular timeval manipulation functions.
- o Fix many build issues when using the Microsoft C compiler.
- o Remove a bash-ism in autogen.sh
- o When calling event_del on a signal, restore the signal handler's previous value rather than setting it to SIG_DFL. Patch from Christopher Layne.
- o Make the logic for active events work better with internal events; patch from Christopher Layne.
- o We do not need to specially remove a timeout before calling event_del; patch from Christopher Layne.
diff --git a/ChangeLog-1.4 b/ChangeLog-1.4
new file mode 100644
index 0000000..166d308
--- /dev/null
+++ b/ChangeLog-1.4
@@ -0,0 +1,231 @@
+Changes in 1.4.14b-stable
+ o Set the VERSION_INFO correctly for 1.4.14
+
+Changes in 1.4.14-stable
+ o Add a .gitignore file for the 1.4 branch. (d014edb)
+ o Backport evbuffer_readln(). (b04cc60 Nicholas Marriott)
+ o Make the evbuffer_readln backport follow the current API (c545485)
+ o Valgrind fix: Clear struct kevent before checking for OSX bug. (5713d5d William Ahern)
+ o Fix a crash when reading badly formatted resolve.conf (5b10d00 Yasuoka Masahiko)
+ o Fix memory-leak of signal handler array with kqueue. [backport] (01f3775)
+ o Update sample/signal-test.c to use newer APIs and not leak. (891765c Evan Jones)
+ o Correct all versions in 1.4 branch (ac0d213)
+ o Make evutil_make_socket_nonblocking() leave any other flags alone. (81c26ba Jardel Weyrich)
+ o Adjusted fcntl() retval comparison on evutil_make_socket_nonblocking(). (5f2e250 Jardel Weyrich)
+ o Correct a debug message in evhttp_parse_request_line (35df59e)
+ o Merge branch 'readln-backport' into patches-1.4 (8771d5b)
+ o Do not send an HTTP error when we've already closed or responded. (4fd2dd9 Pavel Plesov)
+ o Re-add event_siglcb; some old code _was_ still using it. :( (bd03d06)
+ o Make Libevent 1.4 build on win32 with Unicode enabled. (bce58d6 Brodie Thiesfield)
+ o Distribute nmake makefile for 1.4 (20d706d)
+ o do not fail while sending on http connections the client closed. (5c8b446)
+ o make evhttp_send() safe against terminated connections, too (01ea0c5)
+ o Fix a free(NULL) in min_heap.h (2458934)
+ o Fix memory leak when setting up priorities; reported by Alexander Drozdov (cb1a722)
+ o Clean up properly when adding a signal handler fails. (ae6ece0 Gilad Benjamini)
+ o Do not abort HTTP requests missing a reason string. (29d7b32 Pierre Phaneuf)
+ o Fix compile warning in http.c (906d573)
+ o Define _REENTRANT as needed on Solaris, elsewhere (6cbea13)
+
+
+Changes in 1.4.13-stable:
+ o If the kernel tells us that there are a negative number of bytes to read from a socket, do not believe it.  Fixes bug 2841177; found by Alexander Pronchenkov.
+ o Do not allocate the maximum event queue and fd array for the epoll backend at startup.  Instead, start out accepting 32 events at a time, and double the queue's size when it seems that the OS is generating events faster than we're requesting them.  Saves up to 512K per epoll-based event_base.  Resolves bug 2839240.
+ o Fix compilation on Android, which forgot to define fd_mask in its sys/select.h
+ o Do not drop data from evbuffer when out of memory; reported by Jacek Masiulaniec
+ o Rename our replacement compat/sys/_time.h header to avoid build a conflict on HPUX; reported by Kathryn Hogg.
+ o Build kqueue.c correctly on GNU/kFreeBSD platforms. Patch pulled upstream from Debian.
+ o Fix a problem with excessive memory allocation when using multiple event priorities.
+ o When running set[ug]id, don't check the environment. Based on a patch from OpenBSD.
+
+
+Changes in 1.4.12-stable:
+ o Try to contain degree of failure when running on a win32 version so heavily firewalled that we can't fake a socketpair.
+ o Fix an obscure timing-dependent, allocator-dependent crash in the evdns code.
+ o Use __VA_ARGS__ syntax for varargs macros in event_rpcgen when compiler is not GCC.
+ o Activate fd events in a pseudorandom order with O(N) backends, so that we don't systematically favor low fds (select) or earlier-added fds (poll, win32).
+ o Fix another pair of fencepost bugs in epoll.c.  [Patch from Adam Langley.]
+ o Do not break evdns connections to nameservers when our IP changes.
+ o Set truncated flag correctly in evdns server replies.
+ o Disable strict aliasing with GCC: our code is not compliant with it.
+
+Changes in 1.4.11-stable:
+ o Fix a bug when removing a timeout from the heap. [Patch from Marko Kreen]
+ o Remove the limit on size of HTTP headers by removing static buffers.
+ o Fix a nasty dangling pointer bug in epoll.c that could occur after epoll_recalc(). [Patch from Kevin Springborn]
+ o Distribute Win32-Code/event-config.h, not ./event-config.h
+
+Changes in 1.4.10-stable:
+ o clean up buffered http connection data on reset; reported by Brian O'Kelley
+ o bug fix and potential race condition in signal handling; from Alexander Drozdov
+ o rename the Solaris event ports backend to evport
+ o support compilation on Haiku
+ o fix signal processing when a signal callback delivers a signal; from Alexander Drozdov
+ o const-ify some arguments to evdns functions.
+ o off-by-one error in epoll_recalc; reported by Victor Goya
+ o include Doxyfile in tar ball; from Jeff Garzik
+ o correctly parse queries with encoded \r, \n or + characters
+
+Changes in 1.4.9-stable:
+ o event_add would not return error for some backends; from Dean McNamee
+ o Clear the timer cache on entering the event loop; reported by Victor Chang
+ o Only bind the socket on connect when a local address has been provided; reported by Alejo Sanchez
+ o Allow setting of local port for evhttp connections to support millions of connections from a single system; from Richard Jones.
+ o Clear the timer cache when leaving the event loop; reported by Robin Haberkorn
+ o Fix a typo in setting the global event base; reported by lance.
+ o Fix a memory leak when reading multi-line headers
+ o Fix a memory leak by not running explicit close detection for server connections
+
+Changes in 1.4.8-stable:
+ o Match the query in DNS replies to the query in the request; from Vsevolod Stakhov.
+ o Fix a merge problem in which name_from_addr returned pointers to the stack; found by Jiang Hong.
+ o Do not remove Accept-Encoding header
+	
+Changes in 1.4.7-stable:
+ o Fix a bug where headers arriving in multiple packets were not parsed; fix from Jiang Hong; test by me.
+	
+Changes in 1.4.6-stable:
+ o evutil.h now includes <stdarg.h> directly
+ o switch all uses of [v]snprintf over to evutil
+ o Correct handling of trailing headers in chunked replies; from Scott Lamb.
+ o Support multi-line HTTP headers; based on a patch from Moshe Litvin
+ o Reject negative Content-Length headers; anonymous bug report
+ o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report	
+ o Fix a bug where deleting signals with the kqueue backend would cause subsequent adds to fail
+ o Support multiple events listening on the same signal; make signals regular events that go on the same event queue; problem report by Alexander Drozdov.
+ o Deal with evbuffer_read() returning -1 on EINTR|EAGAIN; from Adam Langley.
+ o Fix a bug in which the DNS server would incorrectly set the type of a cname reply to a.
+ o Fix a bug where setting the timeout on a bufferevent would take not effect if the event was already pending.
+ o Fix a memory leak when using signals for some event bases; reported by Alexander Drozdov.
+ o Add libevent.vcproj file to distribution to help with Windows build.
+ o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov.	
+ o Fix off-by-one errors in devpoll; from Ian Bell
+ o Make event_add not change any state if it fails; reported by Ian Bell.
+ o Do not warn on accept when errno is either EAGAIN or EINTR
+
+Changes in 1.4.5-stable:
+ o Fix connection keep-alive behavior for HTTP/1.0
+ o Fix use of freed memory in event_reinit; pointed out by Peter Postma
+ o Constify struct timeval * where possible; pointed out by Forest Wilkinson
+ o allow min_heap_erase to be called on removed members; from liusifan.
+ o Rename INPUT and OUTPUT to EVRPC_INPUT and EVRPC_OUTPUT.  Retain INPUT/OUTPUT aliases on on-win32 platforms for backwards compatibility.
+ o Do not use SO_REUSEADDR when connecting
+ o Fix Windows build
+ o Fix a bug in event_rpcgen when generated fixed-sized entries
+
+Changes in 1.4.4-stable:
+ o Correct the documentation on buffer printf functions.
+ o Don't warn on unimplemented epoll_create(): this isn't a problem, just a reason to fall back to poll or select.
+ o Correctly handle timeouts larger than 35 minutes on Linux with epoll.c.  This is probably a kernel defect, but we'll have to support old kernels anyway even if it gets fixed.
+ o Fix a potential stack corruption bug in tagging on 64-bit CPUs.
+ o expose bufferevent_setwatermark via header files and fix high watermark on read
+ o fix a bug in bufferevent read water marks and add a test for them
+ o introduce bufferevent_setcb and bufferevent_setfd to allow better manipulation of bufferevents
+ o use libevent's internal timercmp on all platforms, to avoid bugs on old platforms where timercmp(a,b,<=) is buggy.
+ o reduce system calls for getting current time by caching it.
+ o fix evhttp_bind_socket() so that multiple sockets can be bound by the same http server.
+ o Build test directory correctly with CPPFLAGS set.
+ o Fix build under Visual C++ 2005.
+ o Expose evhttp_accept_socket() API.
+ o Merge windows gettimeofday() replacement into a new evutil_gettimeofday() function.
+ o Fix autoconf script behavior on IRIX.
+ o Make sure winsock2.h include always comes before windows.h include.
+
+Changes in 1.4.3-stable:
+ o include Content-Length in reply for HTTP/1.0 requests with keep-alive
+ o Patch from Tani Hosokawa: make some functions in http.c threadsafe.
+ o Do not free the kqop file descriptor in other processes, also allow it to be 0; from Andrei Nigmatulin
+ o make event_rpcgen.py generate code include event-config.h; reported by Sam Banks.
+ o make event methods static so that they are not exported; from Andrei Nigmatulin
+ o make RPC replies use application/octet-stream as mime type
+ o do not delete uninitialized timeout event in evdns
+
+Changes in 1.4.2-rc:
+ o remove pending timeouts on event_base_free()
+ o also check EAGAIN for Solaris' event ports; from W.C.A. Wijngaards
+ o devpoll and evport need reinit; tested by W.C.A Wijngaards
+ o event_base_get_method; from Springande Ulv
+ o Send CRLF after each chunk in HTTP output, for compliance with RFC2626.  Patch from "propanbutan".  Fixes bug 1894184.
+ o Add a int64_t parsing function, with unit tests, so we can apply Scott Lamb's fix to allow large HTTP values.
+ o Use a 64-bit field to hold HTTP content-lengths.  Patch from Scott Lamb.
+ o Allow regression code to build even without Python installed
+ o remove NDEBUG ifdefs from evdns.c
+ o update documentation of event_loop and event_base_loop; from Tani Hosokawa.
+ o detect integer types properly on platforms without stdint.h
+ o Remove "AM_MAINTAINER_MODE" declaration in configure.in: now makefiles and configure should get re-generated automatically when Makefile.am or configure.in chanes.
+ o do not insert event into list when evsel->add fails
+
+Changes in 1.4.1-beta:
+ o free minheap on event_base_free(); from Christopher Layne
+ o debug cleanups in signal.c; from Christopher Layne
+ o provide event_base_new() that does not set the current_base global
+ o bufferevent_write now uses a const source argument; report from Charles Kerr
+ o better documentation for event_base_loopexit; from Scott Lamb.
+ o Make kqueue have the same behavior as other backends when a signal is caught between event_add() and event_loop().  Previously, it would catch and ignore such signals.
+ o Make kqueue restore signal handlers correctly when event_del() is called.
+ o provide event_reinit() to reintialize an event_base after fork
+ o small improvements to evhttp documentation
+ o always generate Date and Content-Length headers for HTTP/1.1 replies
+ o set the correct event base for HTTP close events
+ o New function, event_{base_}loopbreak.  Like event_loopexit, it makes an event loop stop executing and return.  Unlike event_loopexit, it keeps subsequent pending events from getting executed.  Patch from Scott Lamb
+ o Removed obsoleted recalc code
+ o pull setters/getters out of RPC structures into a base class to which we just need to store a pointer; this reduces the memory footprint of these structures.
+ o fix a bug with event_rpcgen for integers
+ o move EV_PERSIST handling out of the event backends
+ o support for 32-bit tag numbers in rpc structures; this is wire compatible, but changes the API slightly.
+ o prefix {encode,decode}_tag functions with evtag to avoid collisions
+ o Correctly handle DNS replies with no answers set (Fixes bug 1846282)
+ o The configure script now takes an --enable-gcc-warnigns option that turns on many optional gcc warnings.  (Nick has been building with these for a while, but they might be useful to other developers.)
+ o When building with GCC, use the "format" attribute to verify type correctness of calls to printf-like functions.
+ o removed linger from http server socket; reported by Ilya Martynov
+ o allow \r or \n individually to separate HTTP headers instead of the standard "\r\n"; from Charles Kerr.
+ o demote most http warnings to debug messages
+ o Fix Solaris compilation; from Magne Mahre
+ o Add a "Date" header to HTTP responses, as required by HTTP 1.1.
+ o Support specifying the local address of an evhttp_connection using set_local_address
+ o Fix a memory leak in which failed HTTP connections would not free the request object
+ o Make adding of array members in event_rpcgen more efficient, but doubling memory allocation
+ o Fix a memory leak in the DNS server
+ o Fix compilation when DNS_USE_OPENSSL_FOR_ID is enabled
+ o Fix buffer size and string generation in evdns_resolve_reverse_ipv6().
+ o Respond to nonstandard DNS queries with "NOTIMPL" rather than by ignoring them.
+ o In DNS responses, the CD flag should be preserved, not the TC flag.
+ o Fix http.c to compile properly with USE_DEBUG; from Christopher Layne
+ o Handle NULL timeouts correctly on Solaris; from Trond Norbye
+ o Recalculate pending events properly when reallocating event array on Solaris; from Trond Norbye
+ o Add Doxygen documentation to header files; from Mark Heily
+ o Add a evdns_set_transaction_id_fn() function to override the default
+   transaction ID generation code.
+ o Add an evutil module (with header evutil.h) to implement our standard cross-platform hacks, on the theory that somebody else would like to use them too.
+ o Fix signals implementation on windows.
+ o Fix http module on windows to close sockets properly.
+ o Make autogen.sh script run correctly on systems where /bin/sh isn't bash. (Patch from Trond Norbye, rewritten by Hagne Mahre and then Hannah Schroeter.)
+ o Skip calling gettime() in timeout_process if we are not in fact waiting for any events. (Patch from Trond Norbye)
+ o Make test subdirectory compile under mingw.
+ o Fix win32 buffer.c behavior so that it is correct for sockets (which do not like ReadFile and WriteFile).
+ o Make the test.sh script run unit tests for the evpoll method.
+ o Make the entire evdns.h header enclosed in "extern C" as appropriate.
+ o Fix implementation of strsep on platforms that lack it
+ o Fix implementation of getaddrinfo on platforms that lack it; mainly, this will make Windows http.c work better.  Original patch by Lubomir Marinov.
+ o Fix evport implementation: port_disassociate called on unassociated events resulting in bogus errors; more efficient memory management; from Trond Norbye and Prakash Sangappa
+ o support for hooks on rpc input and output; can be used to implement rpc independent processing such as compression or authentication.
+ o use a min heap instead of a red-black tree for timeouts; as a result finding the min is a O(1) operation now; from Maxim Yegorushkin
+ o associate an event base with an rpc pool
+ o added two additional libraries: libevent_core and libevent_extra in addition to the regular libevent.  libevent_core contains only the event core whereas libevent_extra contains dns, http and rpc support
+ o Begin using libtool's library versioning support correctly.  If we don't mess up, this will more or less guarantee binaries linked against old versions of libevent continue working when we make changes to libevent that do not break backward compatibility.
+ o Fix evhttp.h compilation when TAILQ_ENTRY is not defined.
+ o Small code cleanups in epoll_dispatch().
+ o Increase the maximum number of addresses read from a packet in evdns to 32.
+ o Remove support for the rtsig method: it hasn't compiled for a while, and nobody seems to miss it very much.  Let us know if there's a good reason to put it back in.
+ o Rename the "class" field in evdns_server_request to dns_question_class, so that it won't break compilation under C++.  Use a macro so that old code won't break.  Mark the macro as deprecated.
+ o Fix DNS unit tests so that having a DNS server with broken IPv6 support is no longer cause for aborting the unit tests.
+ o Make event_base_free() succeed even if there are pending non-internal events on a base.  This may still leak memory and fds, but at least it no longer crashes.
+ o Post-process the config.h file into a new, installed event-config.h file that we can install, and whose macros will be safe to include in header files.
+ o Remove the long-deprecated acconfig.h file.
+ o Do not require #include <sys/types.h> before #include <event.h>.
+ o Add new evutil_timer* functions to wrap (or replace) the regular timeval manipulation functions.
+ o Fix many build issues when using the Microsoft C compiler.
+ o Remove a bash-ism in autogen.sh
+ o When calling event_del on a signal, restore the signal handler's previous value rather than setting it to SIG_DFL. Patch from Christopher Layne.
+ o Make the logic for active events work better with internal events; patch from Christopher Layne.
+ o We do not need to specially remove a timeout before calling event_del; patch from Christopher Layne.
diff --git a/ChangeLog-2.0 b/ChangeLog-2.0
new file mode 100644
index 0000000..a925d33
--- /dev/null
+++ b/ChangeLog-2.0
@@ -0,0 +1,1280 @@
+Changes in version 2.0.21-stable (18 Nov 2012)
+BUGFIXES:
+ o ssl: Don't discard SSL read event when timeout and read come close together (576b29f)
+ o ssl: Stop looping in "consider_reading" if reading is suspended. (f719b8a Joachim Bauch)
+ o ssl: No need to reserve space if reading is suspended. (1acf2eb Joachim Bauch)
+ o dns: Avoid a memory-leak on OOM in evdns. (73e85dd, f2bff75 George Danchev)
+ o build: Use python2 rather than python (0eb0109 Ross Lagerwall)
+ o build: Compile without warnings on mingw64 (94866c2)
+ o build: Fix compilation on mingw64 with -DUSE_DEBUG (62bd2c4)
+ o build: Make rpcgen_wrapper.sh work on systems without a "python2" binary (f3009e4)
+ o iocp: Close IOCP listener socket on free when LEV_OPT_CLOSE_ON_FREE is set (cb853ea Juan Pablo Fernandez)
+ o core: Avoid crash when event_pending() called with no event_base set on event (e3cccf3)
+ o misc: remove stray 'x' so print_err will compile when uncommented (ac35650 Patrick Pelletier)
+ o tests: Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086)
+ o tests: Warn when openssl version in unit test mismatches compiled version. (ac009f9)
+
+
+Changes in version 2.0.20-stable (23 Aug 2012)
+BUGFIXES:
+ o core: Make event_pending() threadsafe. (be7a95c Simon Liu)
+ o win32: avoid crash when waiting forever on zero fds. (160e58b)
+ o evhttp: Fix a memory leak on error in evhttp_uriencode (11c8b31)
+ o evbuffer: Avoid possible needless call to writev. Found by coverity. (6a4ec5c)
+ o evdns: memset sockaddr_in before using it. Found by coverity. (a1a0e67)
+ o evhttp: Check more setsockopt return values when binding sockets. Found by coverity (a0912e3)
+ o evdns: Avoid segfault on weird timeout during name lookup. (dc32077 Greg Hazel)
+ o bufferevent_ssl: Correctly invoke callbacks when a SSL bufferevent reads some and then blocks. (606ac43)
+
+
+PORTABILITY FIXES:
+ o check for arc4random_buf at runtime, on OS X (bff5f94 Greg Hazel)
+ o Correctly check for arc4random_buf (fcec3e8 Sebastian Hahn)
+ o Add explicit AC_PROG_SED to configure.in so all autoconfs will expose $(SED) (ca80ea6)
+
+BUILD FIXES:
+ o Add GCC annotations so that the vsprintf functions get checked properly (117e327)
+ o Fix an unused variable warning on *BSD. (c0720c1)
+
+UNIT TEST FIXES:
+ o Fix a couple of memory leaks (found with Valgrind). (3b2529a Ross Lagerwall)
+ o Remove deadcode in http regression tests. Found by coverity. (5553346)
+ o Fix possible uninitialized read in dns regression tests. Found by coverity. (2259777)
+ o Set umask before calling mkstemp in unit tests. Found by coverity (f1ce15d)
+ o Fix various check-after-dereference issues in unit tests: found by coverity (4f3732d)
+ o Fix resource leaks in the unit tests; found by coverity (270f279)
+ o Add some missing null checks to unit tests; found by coverity (f021c3d)
+ o Avoid more crashes/bad calls in unit tests; found by coverity (3cde5bf)
+ o Remove unused variable; spotted by coverity (6355b2a)
+ o Add checks to various return values in unit tests. Found by coverity (b9e7329)
+ o Move assignment outside tt_assert in ssl unit tests. Appeases coverity. (a2006c0)
+
+
+
+Changes in version 2.0.19-stable (3 May 2012)
+BUGFIXES (CORE):
+ o Refactor event_persist_closure: raise and extract some common logic (bec22b4)
+ o If time has jumped so we'd reschedule a periodic event in the past, schedule it for the future instead (dfd808c)
+ o If a higher-priority event becomes active, don't continue running events of the current priority. (2bfda40)
+
+BUGFIXES (SSL):
+ o Fixed potential double-readcb execution with openssl bufferevents. (4e62cd1 Mark Ellzey)
+
+BUGFIXES (DNS):
+ o Cancel a probe request when the server is freed, and ignore cancelled probe callbacks (94d2336 Greg Hazel)
+ o Remove redundant DNS_ERR_CANCEL check, move comment (46b8060 Greg Hazel)
+ o When retransmitting a timed-out DNS request, pick a fresh nameserver. (3d9e52a)
+
+DOCUMENTATION FIXES:
+ o Fix a typo in the bufferevent documentation (98e9119)
+ o Add missing ) to changelog; spotted by rransom (4c7ee6b)
+ o Fix the website URL in the readme (f775521)
+
+COMPILATION FIXES:
+ o Fix a compilation error with MSVC 2005 due to use of mode_t (336dcae)
+ o Configure with gcc older than 2.95 (4a6fd43 Sebastian Hahn)
+ o Generate event-config.h with a single sed script (30b6f88 Zack Weinberg)
+
+FORWARD-COMPATIBILITY:
+ o Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_* (d1a03b2)
+
+TESTING/DEBUGGING SUPPORT:
+ o dns-example.c can now take a resolv.conf file on the commandline (6610fa5)
+ o Make some evdns.c debug logs more verbose (d873d67)
+ o Work-around a stupid gcov-breaking bug in OSX 10.6 (b3887cd)
+
+
+
+Changes in version 2.0.18-stable (22 Mar 2012)
+BUGFIXES (core):
+ o Make uses of open() close-on-exec safe by introducing an internal evutil_open_closeonexec. (d2b5f72 Ross Lagerwall, 03dce42)
+
+BUGFIXES (kqueue):
+ o Properly zero the kevent in kq_setup_kevent() (c2c7b39 Sebastian Hahn)
+
+BUILD FIXES:
+ o Added OPENSSL_LDFLAGS env variable which is appended to SSL checks. (9278196 Mark Ellzey)
+ o Changed OPENSSL_LDFLAGS to OPENSSL_LIBADD (2d67b63 Mark Ellzey)
+ o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn)
+
+BUGFIXES (dns):
+ o Stop crashing in evdns when nameserver probes give a weird error (bec5068)
+
+
+Changes in version 2.0.17-stable (10 Feb 2012)
+
+BUGFIXES (core):
+ o Be absolutely sure to clear pncalls before leaving event_signal_closure (11f36a5)
+ o check for sysctl before we use it (358c745 Mike Frysinger)
+ o Remove bogus casts of socket to int before calling ev_callback (f032516)
+ o Make evconnlistener work around bug in older Linux when getting nmapped (ecfc720)
+ o Fix a list corruption bug when using event_reinit() with signals present (6e41cdc)
+ o Fix a fd leak in event_reinit() (3f18ad1)
+ o Do a memberwise comparison of threading function tables (c94a5f2 Nate R)
+ o Use C-style comments in C source files (for compatibility with compilers such as xlc on AIX). (d84d917 Greg Hewgill)
+ o Avoid crash when freeing event_iocp and using event_set_mem_functions (19715a6)
+ o In the kqueue backend, do not report EBADF as an EV_READ (5d7bfa1 Nicholas Marriott)
+
+BUGFIXES (evbuffer and bufferevents):
+ o Fix behavior of evbuffer_peek(buf,-1,NULL,NULL,0) (c986f23 Zack Weinberg)
+ o Loop on filtering SSL reads until we are blocked or exhausted. (5b4b812)
+
+BUGFIXES (evhttp):
+ o Force strict validation of HTTP version in response. (790f6b3 Catalin Patulea)
+
+BUGFIXES (evdns):
+ o evdns: fix a bug in circular-queue implementation (d6094b1)
+
+BUILD FIXES:
+ o Fix a silly compilation error with the sun compiler (1927776 Colin Watt)
+ o Suppress a gcc warning from ignoring fwrite return in http-sample.c (7206e8c)
+
+DOCUMENTATION FIXES:
+ o Slightly clarify evbuffer_peek documentation (7bbf6ca)
+ o Update copyright notices to 2012 (e49e289)
+
+NEW APIS:
+ o Backport evhttp_connection_get_bufferevent to Libevent 2.0 (da70fa7 Arno Bakker)
+
+TESTS AND TEST FIXES:
+ o Fix a race condition in the dns/bufferevent_connect_hostname test. (cba48c7)
+ o Add function to check referential integrity of an event_base (27737d5)
+ o Check event_base correctness at end of each unit test (3312b02)
+ o Workaround in the unit tests for an apparent epoll bug in Linux 3.2 (dab9187)
+ o Better workaround for Linux 3.2 edge-triggered epoll bug (9f9e259)
+
+Changes in version 2.0.16-stable (18 Nov 2011)
+BUGFIXES (core):
+ o More detailed message in case of libevent self-debugging failure. (9e6a4ef Leonid Evdokimov)
+ o epoll: close fd on alloc fail at initialization (1aee718 Jamie Iles)
+ o Fix compile warning from saying event2/*.h inside a comment (447b0ba)
+ o Warn when unable to construct base because of failing make_base_notifiable (4e797f3)
+ o Don't try to make notifiable event_base when no threading fns are configured (e787413)
+
+BUGFIXES (evbuffer):
+ o unit test for remove_buffer bug (90bd620 Greg Hazel)
+ o Fix an evbuffer crash in evbuffer_remove_buffer() (c37069c)
+
+BUGFIXES (bufferevent_openssl):
+ o Refactor amount-to-read calculations in buffervent_ssl consider_reading() (a186e73 Mark Ellzey)
+ o Move SSL rate-limit enforcement into bytes_to_read() (96c562f)
+ o Avoid spinning on OpenSSL reads (2aa036f Mark Ellzey)
+
+BUGFIXES (dns)
+ o Empty DNS reply with OK status is another way to say NODATA. (21a08d6 Leonid Evdokimov)
+
+TESTING:
+ o Tests for 94fba5b and f72e8f6 (d58c15e Leonid Evdokimov)
+ o Test for commit aff6ba1 (f7841bf Leonid Evdokimov)
+ o Style and comment tweaks for dns/leak* tests (5e42202)
+ o improve test to remove at least one buffer from src (7eb52eb Greg Hazel)
+
+DOCUMENTATION:
+ o Add note about evhttp_send_reply_end to its doxygen (724bfb5)
+ o Update copyright dates to 2011. (3c824bd)
+ o Fix typo in whatsnew-2.0.txt (674bc6a Mansour Moufid)
+ o Improve win32 behavior of dns-sample.c code (a3f320e Gisle Vanem)
+
+
+
+Changes in version 2.0.15-stable (12 Oct 2011)
+BUGFIXES (DNS):
+ o DNS: add ttl for negative answers using RFC 2308 idea. (f72e8f6 Leonid Evdokimov)
+ o Add DNS_ERR_NODATA error code to handle empty replies. (94fba5b Leonid Evdokimov)
+
+BUFGIXES (bufferevents and evbuffers):
+ o Make evbuffer callbacks get the right n_added value after evbuffer_add (1ef1f68 Alex)
+ o Prefer mmap to sendfile unless a DRAINS_TO_FD flag is set. Allows add_file to work with SSL. (0ba0af9)
+
+BUGFIXES (event loop):
+ o When a signal callback is activated to run multiple times, allow event_base_loopbreak to work even before they all have run. (4e8eb6a)
+
+DOCUMENTATION FIXES:
+ o Fix docstring in dns.h (2b6eae5 Leonid Evdokimov)
+ o refer to non-deprecated evdns functions in comments (ba5c27d Greg Hazel)
+
+BUILD AND TESTING FIXES:
+ o le-proxy and regress depend on openssl directly (9ae061a Sergey Avseyev)
+ o Use _SOURCES, not _sources, in sample/Makefile.am (7f82382)
+ o Fixed compiler warnings for unchecked read/write calls. (c3b62fd Mark Ellzey)
+ o Make write-checking fixes use tt_fail_perror (2b76847)
+ o Fix some "value never used" warnings with gcc 4.6.1 (39c0cf7)
+
+
+
+Changes in version 2.0.14-stable (31 Aug 2011)
+BUGFIXES (bufferevents and evbuffers):
+ o Propagate errors on the underlying bufferevent to the user. (4a34394 Joachim Bauch)
+ o Ignore OpenSSL deprecation warnings on OS X (5d1b255 Sebastian Hahn)
+ o Fix handling of group rate limits under 64 bytes of burst (6d5440e)
+ o Solaris sendfile: correctly detect amount of data sent (643922e Michael Herf)
+ o Make rate limiting work with common_timeout logic (5b18f13)
+ o clear read watermark on underlying bufferevent when creating filtering bev to fix potentially failing fragmented ssl handshakes (54f7e61 Joachim Bauch)
+
+BUGFIXES (IOCP):
+ o IOCP: don't launch reads or writes on an unconnected socket (495c227)
+ o Make IOCP rate-limiting group support stricter and less surprising. (a98da7b)
+ o Have test-ratelim.c support IOCP (0ff2c5a)
+ o Make overlapped reads result in evbuffer callbacks getting invoked (6acfbdd)
+ o Correctly terminate IO on an async bufferevent on bufferevent_free (e6af35d)
+
+BUGFIXES (other):
+ o Fix evsig_dealloc memory leak with debugging turned on. (9b724b2 Leonid Evdokimov)
+ o Fix request_finished memory leak with debugging turned on. (aff6ba1 Leonid Evdokimov)
+
+BUILD AND TESTING FIXES:
+ o Allow OS-neutral builds for platforms where some versions have arc4random_buf (b442302 Mitchell Livingston)
+ o Try to fix 'make distcheck' errors when building out-of-tree (04656ea Dave Hart)
+ o Clean up some problems identified by Coverity. (7c11e51 Harlan Stenn)
+
+
+Changes in version 2.0.13-stable (18 Jul 2011)
+BUGFIXES
+ o Avoid race-condition when initializing global locks (b683cae)
+ o Fix bug in SSL bufferevents backed by a bev with a write high-watermarks (e050703 Joachim Bauch)
+ o Speed up invoke_callbacks on evbuffers when there are no callbacks (f87f568 Mark Ellzey)
+ o Avoid a segfault when all methods are disabled or broken (27ce38b)
+ o Fix incorrect results from evbuffer_search_eol(EOL_LF) (4461f1a)
+ o Add some missing checks for mm_calloc failures (89d5e09)
+ o Replace an assertion for event_base_free(NULL) with a check-and-warn (09fe97d)
+ o Report kqueue ebadf, epipe, and eperm as EV_READ events (1fd34ab)
+ o Check if the `evhttp_new_object' function in `http.c' returns NULL. (446cc7a Mansour Moufid)
+ o Use the correct printf args when formatting size_t (3203f88)
+ o Complain if the caller tries to change threading cbs after setting them (cb6ecee)
+
+DOCUMENTATION FIXES AND IMPROVEMENTS
+ o Revise the event/evbuffer/bufferevent doxygen for clarity and accuracy (2888fac)
+ o Update Doxyfile to produce more useful output (aea0555)
+
+TEST FIXES
+ o Fix up test_evutil_snprintf (caf695a)
+ o Fix tinytest invocation from windows shell (57def34 Ed Day)
+
+BUILD FIXES
+ o Use AM_CPPFLAGS in sample/Makefile.am, not AM_CFLAGS (4a5c82d)
+ o Fix select.c compilation on systems with no NFDBITS (49d1136)
+ o Fix a few warnings on OpenBSD (8ee9f9c Nicholas Marriott)
+ o Don't break when building tests from git without python installed (b031adf)
+ o Don't install event_rpcgen.py when --disable-libevent-install is used (e23cda3 Harlan Stenn)
+ o Fix AIX build issue with TAILQ_FOREACH definition (e934096)
+
+
+Changes in version 2.0.12-stable (4 Jun 2011)
+BUGFIXES
+ o Fix a warn-and-fail bug in kqueue by providing kevent() room to report errors (28317a0)
+ o Fix an assert-inducing fencepost bug in the select backend (d90149d)
+ o Fix failing http assertion introducd in commit 0d6622e (0848814 Kevin Ko)
+ o Fix a bug that prevented us from configuring IPv6 nameservers. (74760f1)
+ o Prevent size_t overflow in evhttp_htmlescape. (06c51cd Mansour Moufid)
+ o Added several checks for under/overflow conditions in evhttp_handle_chunked_read (a279272 Mark Ellzey)
+ o Added overflow checks in evhttp_read_body and evhttp_get_body (84560fc Mark Ellzey)
+
+DOCUMENTATION:
+ o Add missing words to EVLOOP_NONBLOCK documentation (9556a7d)
+
+BUILD FIXES
+ o libssl depends on libcrypto, not the other way around. (274dd03 Peter Rosin)
+ o Libtool brings in the dependencies of libevent_openssl.la automatically (7b819f2 Peter Rosin)
+ o Use OPENSSL_LIBS in Makefile.am (292092e Sebastian Hahn)
+ o Move the win32 detection in configure.in (ceb03b9 Sebastian Hahn)
+ o Correctly detect openssl on windows (6619385 Sebastian Hahn)
+ o Fix a compile warning with zlib 1.2.4 and 1.2.5 (5786b91 Sebastian Hahn)
+ o Fix compilation with GCC 2, which had no __builtin_expect (09d39a1 Dave Hart)
+ o Fix new warnings from GCC 4.6 (06a714f)
+ o Link with -lshell32 and -ladvapi32 on Win32. (86090ee Peter Rosin)
+ o Make the tests build when OpenSSL is not available. (07c41be Peter Rosin)
+ o Bring in the compile script from automake, if needed. (f3c7a4c Peter Rosin)
+ o MSVC does not provide S_ISDIR, so provide it manually. (70be7d1 Peter Rosin)
+ o unistd.h and sys/time.h might not exist. (fe93022 Peter Rosin)
+ o Make sure TINYTEST_LOCAL is defined when building tinytest.c (8fa030c Peter Rosin)
+ o Fix winsock2.h #include issues with MSVC (3d768dc Peter Rosin)
+ o Use evutil_gettimeofday instead of relying on the system gettimeofday. (0de87fe Peter Rosin)
+ o Always use evutil_snprintf, even if OS provides it (d1b2d11 Sebastian Hahn)
+ o InitializeCriticalSectionAndSpinCount requires _WIN32_WINNT >= 0x0403. (816115a Peter Rosin)
+ o cygwin: make it possible to build DLLs (d54d3fc)
+
+
+
+Changes in version 2.0.11-stable (27 Apr 2011)
+  [Autogenerated from the Git log, sorted and cleaned by hand.]
+BUGFIXES:
+ o Fix evport handling of POLLHUP and POLLERR (b42ce4b)
+ o Fix compilation on Windows with NDEBUG (cb8059d)
+ o Check for POLLERR, POLLHUP and POLLNVAL for Solaris event ports (0144886 Trond Norbye)
+ o Detect and handle more allocation failures. (666b096 Jardel Weyrich)
+ o Use event_err() only if the failure is truly unrecoverable. (3f8d22a Jardel Weyrich)
+ o Handle resize failures in the select backend better. (83e805a)
+ o Correctly free selectop fields when select_resize fails in select_init (0c0ec0b)
+ o Make --enable-gcc-warnings a no-op if not using gcc (3267703)
+ o Fix a type error in our (unused) arc4random_stir() (f736198)
+ o Correctly detect and stop non-chunked http requests when the body is too long (63a715e)
+ o Have event_base_gettimeofday_cached() always return wall-clock time (a459ef7)
+ o Workaround for http crash bug 3078187 (5dc5662 Tomash Brechko)
+ o Fix incorrect assertions and possible use-after-free in evrpc_free() (4b8f02f Christophe Fillot)
+ o Reset outgoing http connection when read data in idle state. (272823f Tomash Brechko)
+ o Fix subtle recursion in evhttp_connection_cb_cleanup(). (218cf19 Tomash Brechko)
+ o Fix the case when failed evhttp_make_request() leaved request in the queue. (0d6622e Tomash Brechko)
+ o Fix a crash bug in evdns server circular list code (00e91b3)
+ o Handle calloc failure in evdns. (Found by Dave Hart) (364291e)
+ o Fix a memory leak on win32 socket->event map. (b4f89f0)
+ o Add a forgotten NULL check to evhttp_parse_headers (12311ff Sebastian Hahn)
+ o Fix possible NULL-deref in evdns_cancel_request (5208544 Sebastian Hahn)
+
+PORTABILITY:
+ o Fall back to sscanf if we have no other way to implement strtoll (453317b)
+ o Build correctly on platforms without sockaddr_storage (9184563)
+ o Try to build correctly on platforms with no IPv6 support (713c254)
+ o Build on systems without AI_PASSIVE (cb92113)
+ o Fix http unit test on non-windows platforms without getaddrinfo (6092f12)
+ o Do not check for gethostbyname_r versions if we have getaddrinfo (c1260b0)
+ o Include arpa/inet.h as needed on HPUX (10c834c Harlan Stenn)
+ o Include util-internal.h as needed to build on platforms with no sockaddr_storage (bbf5515 Harlan Stenn)
+ o Check for getservbyname even if not on win32. (af08a94 Harlan Stenn)
+ o Add -D_OSF_SOURCE to fix hpux builds (0b33479 Harlan Stenn)
+ o Check for allocation failures in apply_socktype_protocol_hack (637d17a)
+ o Fix the check for multicast or broadcast addresses in evutil_check_interfaces (1a21d7b)
+ o Avoid a free(NULL) if out-of-memory in evdns_getaddrinfo. Found by Dave Hart (3417f68)
+
+DEFENSIVE PROGRAMMING:
+ o Add compile-time check for AF_UNSPEC==PF_UNSPEC (3c8f4e7)
+
+BUGS IN TESTS:
+ o Fix test.sh output on solaris (b4f89b6 Dave Hart)
+ o Make test-eof fail with a timeout if we never get an eof. (05a2c22 Harlan Stenn)
+ o Use %s with printf in test.sh (039b9bd)
+ o Add an assert to appease clang's static analyzer (b0ff7eb Sebastian Hahn)
+ o Add a forgotten return value check in the unit tests (3819b62 Sebastian Hahn)
+ o Actually send NULL request in http_bad_request_test (b693c32 Sebastian Hahn)
+ o add some (void) casts for unused variables (65707d7 Sebastian Hahn)
+ o Refactor test_getaddrinfo_async_cancel_stress() (48c44a6 Sebastian Hahn)
+ o Be nice and "handle" error return values in sample code (4bac793 Sebastian Hahn)
+ o Check return value of evbuffer_add_cb in tests (93a1abb Sebastian Hahn)
+ o Remote some dead code from dns-example.c (744c745 Sebastian Hahn)
+ o Zero a struct sockaddr_in before using it (646f9fe Sebastian Hahn)
+
+BUILD FIXES:
+ o Fix warnings about AC_LANG_PROGRAM usage (f663112 Sebastian Hahn)
+ o Skip check for zlib if we have no zlib.h (a317c06 Harlan Stenn)
+ o Fix autoconf bracket issues; make check for getaddrinfo include netdb.h (833e5e9 Harlan Stenn)
+ o Correct an AM_CFLAGS to an AM_CPPFLAGS in test/Makefile.am (9c469db Dave Hart)
+ o Fix make distcheck & installation of libevent 1 headers (b5a1f9f Dave Hart)
+ o Fix compilation under LLVM/clang with --enable-gcc-warnings (ad9ff58 Sebastian Hahn)
+
+FEATURES:
+ o Make URI parser able to tolerate nonconformant URIs. (95060b5)
+
+DOCUMENTATION:
+ o Clarify event_set_mem_functions doc (926f816)
+ o Correct evhttp_del_accept_socket documentation on whether socket is closed (f665924)
+ o fix spelling mistake in whatsnew-2.0.txt (deb2f73)
+ o Fix sample/http-server ipv6 fixes (eb692be)
+ o Comment internal headers used in sample code. (4eb281c)
+ o Be explicit about how long event loops run in event.h documentation (f95bafb)
+ o Add comment to configure.in to explain gc-sections test logic (c621359)
+ o Fix a couple of memory leaks in samples/http-server.c. Found by Dave Hart. (2e9f665)
+
+BUILD IMPROVEMENTS:
+ o Use the gcc -ffunction-segments feature to allow gc when linking with static libevent (0965c56 Dave Hart)
+ o Add configure options to disable installation, regression tests (49e9bb7 Dave Hart)
+
+
+
+Changes in version 2.0.10-stable (16 Dec 2010)
+  [Autogenerated from the Git log, sorted and cleaned by hand.]
+BUGFIXES
+ o Minor fix for IOCP shutdown handling fix (2599b2d Kelly Brock)
+ o Correctly notify the main thread when activating an event from a subthread (5beeec9)
+ o Reject overlong http requests early when Expect:100-continue is set (d23839f Constantine Verutin)
+ o EVUTIL_ASSERT: Use sizeof() to avoid "unused variable" warnings with -DNDEBUG. (b63ab17 Evan Jones)
+
+CODE CLEANUPS
+ o bufferevent-internal.h: Use the new event2/util.h header, not evutil.h (ef5e65a Evan Jones)
+ o Use relative includes instead of system includes consistently. (fbe64f2 Evan Jones)
+ o Make whitespace more consistent
+
+TESTING
+ o tests: Use new event2 headers instead of old compatibility headers. (4f33209 Evan Jones)
+
+DOCUMENTATION
+ o Document that the cpu_hint is only used on Windows with IOCP for now (57689c4)
+ o Add stuff to "whats new in 2.0" based on reading include changes since August. (18adc3f)
+
+
+Changes in 2.0.9-rc (30 Nov 2010):
+  [Autogenerated from the Git log, sorted and cleaned by hand.]
+NEW AND MODIFIED APIs
+ o Add a function to change a listener's callback. (46ee061)
+ o Make evbuffer_add_file take ev_off_t, not off_t (ac7e52d)
+ o Make rate-limits go up to SIZE_MAX/EV_SSIZE_MAX, not just INT32_MAX (2cbb1a1)
+ o Add a bufferevent_get_base function (aab49b6)
+
+MAJOR BUGFIXES
+ o Disable changelist for epoll by default because of Linux dup() bug; add an option and/or an envvar to reenable it for speed. (9531763)
+ o Fix a 100%-CPU bug where an SSL connection would sometimes never stop trying to write (1213d3d)
+ o Fix a nasty bug related to use of dup() with epoll on Linux (c281aba)
+ o Fix bugs in posix thread-id calculation when sizeof(pthread_t) != sizeof(long) (fbaf077)
+ o Fix some ints to evutil_socket_t; make tests pass on win64. (f817bfa Dimitre Piskyulev)
+ o Set _EVENT_SIZEOF_VOID_P correctly on win32 and win64 (1ae82cd Dimitre Piskyulev)
+ o Avoid double-invocation of user callback with EVUTIL_EAI_CANCEL (abf01ed)
+ o Set SO_UPDATE_ACCEPT_CONTEXT on sockets from AcceptEx so that shutdown() can work (52aa419)
+ o When closing a filtering bufferevent, clear callbacks on the underlying bufferevent (fc7b1b0)
+
+NEW AND MODIFIED HTTP APIs
+ o Add evhttp_parse_query_str to be used with evhttp_uri_parse. (2075fbc)
+ o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b)
+ o Define enumerators for all HTTP methods, including PATCH from RFC5789 (75a7341 Felix Nawothnig)
+ o Functions to actually use evhttp_bound_socket with/as evconnlistener. (006efa7)
+ o Add evhttp_request_get_command so code can tell GET from POST without peeking at the struct. (49f4bf7)
+ o Introduce absolute URI parsing helpers. (86dd720 Pavel Plesov)
+ o Revise evhttp_uri_parse implementation to handle more of RFC3986 (eaa5f1d)
+ o Add evhttp_connection_get_base() to get the event_base from an http connection (cd00079)
+ o Let evhttp_parse_query return -1 on failure (b1756d0)
+ o New evhttp_uri(encode|decode) functions to handle + and NUL characters right (a8148ce)
+ o Add evhttp_response_code to remove one more reason to include http_struct.h (22e0a9b)
+ o Tweak interface for allowed methods (f5b391e)
+ o Add evhttp server alias interface, correct flagging of proxy requests. (aab8c38 Christopher Davis)
+
+HTTP BUGFIXES
+ o Add some comments to http.c and make a few functions static. (90b3ed5)
+ o Fix Content-Length when trying send more than 100GB of data (!) on an evhttp. (525da3e)
+ o Fix a bug where we would read too much data in HTTP bodies or requests. (58a1cc6)
+ o Correctly count req->body_size on http usage without Content-Length (8e342e5)
+ o Avoid missed-request bug when entire http request arrives before data is flushed (74c0e86)
+ o reset "chunked" flag when sending non-chunked reply (aa5f55f Joachim Bauch)
+ o evhttp_encode_uri encodes all reserved characters, including !$'()*+,/:=@ (2e63a60)
+ o Replace exact-version checks for HTTP/1.1 with >= or < checks (647e094)
+ o evhttp: Return 501 when we get an unrecognized method, not 400. (536311a)
+ o Don't disable reading from the HTTP connection after sending the request to be notified of connection-close in time (c76640b Felix Nawothnig)
+ o Never call evhttp_readcb while writing. (0512487)
+ o Try to fix an assertion failure related to close detection (0faaa39)
+ o Correctly detect timeouts during http connects (04861d5)
+ o Preliminary support for Continue expectation in evhttp. (fa9305f Christopher Davis)
+
+OTHER BUGFIXES
+ o Correct logic for realigning a chain in evbuffer_add (e4f34e8)
+ o Fix a minor syntax error that most compilers didn't care about (e56ff65)
+ o Fix some uses of int for socket in regress (5d389dc)
+ o Check return value for ioctlsocket on win32 (f5ad31c Trond Norbye)
+ o Fix som event_warns that should have been event_warnx (19c71e7)
+ o Fix signal handler types for win64. (b81217f)
+ o Try to clear up more size_t vs int/long issues. (598d133)
+ o Make sure IOCP evconnlistener uses virtual events. (7b40a00 Christopher Davis)
+ o Don't free evdns_request handles until after the callback is invoked (9ed30de)
+ o Fix some more cancel-related bugs in getaddrinfo_async (c7cfbcf)
+ o Make evdns_getaddrinfo_cancel threadsafe (d51b2fc)
+ o Only clear underlying callbacks when the user hasn't reset them. (1ac5b23)
+ o Fix bug in bufferevent_connect on an openssl bufferevent that already had an fd (4f228a1)
+ o Resolve an evport bug in the thread/forking test (3a67d0b)
+ o Make sure the CLOEXEC flag is set on fds we open for base notification (3ab578f)
+ o Fix IRIX build.  sa_family collides with a #define in sys/socket.h on IRIX. (e874982 Kevin Bowling)
+ o If not WIN32, include <sys/socket.h> in event2/util.h. (1cd45e5 Kevin Bowling)
+ o Fix some C99-style comments to work with the xlC compiler. (c2e5e22 Kevin Bowling)
+ o Add some checks since lack of TAILQ_FOREACH doesn't imply lack of FIRST, END, NEXT, or INSERT_BEFORE.  Quiet some warnings in XL C. (c4dc335 Kevin Bowling)
+ o Reworked AIX __ss_family workaround to use AC_STRUCT_MEMBER. (2e2a3d7 Kevin Bowling)
+ o Take select from <sys/select.h> when testing in autoconf.  AIX build fix. (a3a9f6b Kevin Bowling)
+ o Fix snprintf related failures on IRIX. (3239073 Kevin Bowling)
+ o Remove _event_initialized(); make event_initialized() a function(); make it consistent on windows and non-windows (652024b)
+ o Do not let EVLOOP_ONCE exit the loop until all deferred callbacks have run (2d5e1bd)
+ o Make EVLOOP_ONCE ignore internal events (0617a81)
+ o Possible crash fix when freeing an underlying bufferevent of an openssl bufferevent (29f7623)
+
+HTTP CLEANUPS
+ o Stop using Libevent-1 headers in regress_http (1f507d7)
+ o Modernize header usage in bench_http.c (e587069)
+ o fix signed/unsigned warnings in http.c (74a91e5)
+ o Update the HTTP regression tests to use Libevent2 apis for non-http stuff (d9ffa89)
+ o Start porting http tests to not use legacy interfaces (8505a74)
+ o Convert the rest of the http tests to be non-legacy unit tests. (9bb8239)
+ o Rename the confusing "base" static variable in regress_http.c (353402a)
+ o Stop accessing http request struct directly from in the unit tests. (0b137f4)
+ o Refactor http version parsing into a single function (a38140b)
+
+TESTING
+ o Improvements to tinytest_macros.h (ad923a1)
+ o Add a huge pile of tests for the new URI functions, and make them pass. (a5a76e6)
+ o Unit tests for evhttp_uri_set* (bc98f5e)
+ o Increase the skew tolerance to 2 seconds in thread/deferred_cb_skew (f806476 Christopher Davis)
+ o Reorder backends in test.sh to match preference order in event.c (ece974f)
+ o Add a stress test for getaddrinfo_cancel (da1bf52)
+ o Units test for unexpected evhttp methods. (75e3320)
+
+DOCUMENTATION
+ o Document behavior of URI parsing more thoroughly. (3a33462)
+ o Document that two bufferevent functions only work on socket bufferevents (70e1b60)
+ o add a requested docstring for event_rpcgen.CommandLine.__init__ (f1250eb)
+ o Fix a mistake in http documentation found by Julien Blache (229714d)
+ o Add a basic example of how to write a static HTTP server. (4e794d5)
+ o Document event_get_assignment (88be27d)
+ o Note that reentrant calls to libevent from logging cbs may fail badly (e431bcd)
+ o Clarify EVLOOP_* documentation to be more precise. (057a514)
+
+CLEANUPS
+ o Simplify the logic for choosing EPOLL_CTL_ADD vs EPOLL_CTL_MOD (2c66983)
+ o Rename "size" variables in win32select that were really fd counts. (b6a158c)
+ o Fix even more win64 warnings (7484df6)
+ o Fix even more win64 warnings: buffer, event_tagging, http, evdns, evrpc (545a611)
+ o Fix more wn64 warnings. (34b84b9 Christopher Davis)
+ o Use the label_len local variable in evdns instead of recalculating it over and over (ba01456)
+ o Fix some irix compilation warnings spotted by Kevin Bowling (7bcace2)
+
+
+
+Changes in 2.0.8-rc (14 Oct 2010):
+ [Autogenerated from the Git log, sorted and cleaned by hand.]
+NEW APIS
+ o Add error callback to evconnlistener (c4be8d8 Simon Perreault)
+ o Add a LEV_OPT_THREADSAFE option for threadsafe evconnlisteners (127d4f2)
+
+CHANGED BEHAVIOR
+ o Correct logic on disabling underlying bufferevents when disabling a filter (ac27eb8)
+
+BUGFIXES
+ o Obey enabled status when unsuspending (040a019 Simon Perreault)
+ o Warn when using the error-prone EV_SIGNAL interface in an error-prone way.  Also, fix a couple of race conditions in signal.c (720bd93)
+ O Make default signal backend fully threadsafe (95a7d41)
+ o Put internal events at highest priority (90651b3)
+ o Fix warnings in the main codebase flagged by -Wsigned-compare (9c8db0, 5e4bafb, 5c214a, 6be589a, e06f514)
+ o Fix compile in kqueue.c (b395392 Sebastian Hahn)
+ o Do not search outside of the system directory for windows DLLs (d49b5e3)
+ o Fix a spurious-call bug on epoll.c (0faaee0)
+ o Send a shutdown(SHUT_WR) before closing an http connection (e0fd870 Christopher Davis)
+ o Fix warnings on mingw with gcc 4.5 (5b7a370)
+ o Fix an EINVAL on evbuffer_write_iovec on OpenSolaris. (fdc640b)
+ o Fix allocation error for IOCP listeners. Probably harmless, since struct event is big (481ef92)
+ o Make iocp/listener/error work; don't accept again if lev is disabled. (62b429a Christopher Davis)
+ o Handle rate-limiting for reading on OpenSSL bufferevents correctly. (819b171)
+ o Fix serious bugs in per-bufferevent rate-limiting code (34d64f8)
+ o Avoid spurious reads from just-created open openssl bufferevents (223ee40)
+ o Fix a case where an ssl bufferevent with CLOSE_ON_FREE didn't close its fd (93bb7d8)
+ o The corrected bufferevent filter semantics let us fix our openssl tests (34331e4)
+
+TESTING
+ o Make SSL tests cover enabling/disabling EV_READ. (a5ce9ad)
+ o Bump to the latest version of tinytest (f0bd83e)
+ o Unit tests for listener error callbacks (045eef4)
+ o New unit test for ssl bufferevents starting with connected SSLs. (02f6259)
+
+DEBUGGABILITY
+ o Make debugging output for epoll backend more comprehensive (ec2b05e)
+ o Make event.c debugging messages report fds (e119899)
+ o Make the --enable-gcc-warnings option include signed comparison warnings (d3b096c)
+
+DEADCODE REMOVAL
+ o Remove the now-useless evsig_caught and evsig_process (4858b79)
+ o Remove event_base.evsigbase; nothing used it. (38d0960)
+
+
+
+Changes in 2.0.7-rc (9 Sep 2010):
+ [Autogenerated from the Git log, sorted and cleaned by hand.]
+NEW APIS
+ o Expose a evdns_base_nameserver_sockaddr_add() function to add a nameserver by sockaddr (1952143)
+ o Add event_config_set_num_cpus_hint() for tuning win32 IOCP thread pools, etc. (2447fe8 Christopher Davis)
+
+BUGFIXES
+ o Fix a nasty dangling-event bug when using rate-limiting groups (0bffe43)
+ o Clean up syntax on TAILQ_ENTRY() usage to build correctly with recent MSVC (60433a0 Gilad Benjamini)
+ o Make definition of WIN32_LEAN_AND_MEAN in event.h conditional (3920172 Gilad Benjamini)
+ o Correctly detect failure to delete bufferevent read-timeout event (da6e7cd)
+ o Set close-on-exec bit for filedescriptors created by dns subsystem (d0b8843)
+ o Fix kqueue correctness test on x84_64 (6123d12)
+ o Detect events with no ev_base; warn instead of crashing (f1074b7)
+ o Fix an issue with forking and signal socketpairs in select/poll backends (d61b2f3)
+ o Stop using global arrays to implement the EVUTIL_ctype functions (1fdec20)
+ o On windows, make lock/thread function tables static (5de2bcb)
+ o Close th_notify_fds and open a new pair on reinit (495ed66)
+ o Declare signal handler function as "__cdecl" on Windows (f0056d0)
+ o Use the _func() replacements for open, fstat, etc in evutil.c on win32 (e50c0fc)
+ o Only process up to MAX_DEFERRED deferred_cbs at a time (17a14f1 Christopher Davis)
+
+THREADING BUGFIXES
+ o Avoid deadlock when activating signals (970e6ad)
+ o Add a condition variable backend, with implementations for pthreads and win32 (d4977b5)
+ o Use conditions instead of current_event_lock to fix a deadlock (e0972c2)
+ o Fix logic error in win32 TRY_LOCK that caused problems with rate-limiting (4c32b9d)
+ o Avoid needlessly calling evthread_notify_base() when the loop is not running (c7a06bf)
+ o Minimize calls to base_notify implementation functions, thereby avoiding needless syscalls (4632b78)
+
+IOCP BUGFIXES
+ o IOCP-related evbuffer fixes (03afa20 Christopher Davis)
+ o Stop IOCP when freeing the event_base (d844242 Christopher Davis)
+ o Some IOCP bufferevent tweaks (76f7e7a Christopher Davis)
+
+TESTS
+ o Make the regress_pthread.c tests work on windows with current test APIs (d74ae38)
+ o Add a unit test for conditions (5fb1095)
+ o Allow more than one copy of regression tests to run at once (a97320a)
+ o Fix event_del(0) instance in bench.c (b0f284c Shuo Chen)
+ o Fix a few memory leaks in the tests (1115366)
+ o IOCP-related unit test tweaks (499452f Christopher Davis)
+ o Improve testing of when thread-notification occurs (ce85280)
+
+BUILD AND DISTRIBUTION
+ o Add pkgconfig files for libevent_{openssl,pthreads} (ebcb1f0)
+ o Change include order in Makefile.nmake (4022b28)
+ o Make include/event2/event-config.h not included in source dist (a4af9be)
+ o Honor NDEBUG; build without warnings with NDEBUG; make NDEBUG always-off in unit test code (743f866)
+ o Declare evkeyvalq and event_list even if event_struct.h comes before sys/queue.h (d3ceca8)
+ o Move evkeyvalq into a separate header for evhttp_parse_query users (ca9048f)
+ o Prefer autoreconf -ivf to manual autogen.sh (7ea8e89)
+
+CLEANUP
+ o Completely remove the (mostly-removed) obsolete thread functions (3808168)
+ o Rename regress_pthread.c to regress_thread.c (041989f)
+ o Make defer-internal.h use lock macros, not direct calls to lock fns (5218d2a)
+
+DOCUMENTATION
+ o Document that DNS_NO_SEARCH is an obsolete alias for DNS_QUERY_NO_SEARCH (33200e7)
+ o Update the whatsnew-2.0.txt document (4991669)
+
+
+
+Changes in 2.0.6-rc (6 Aug 2010):
+ [Autogenerated from the Git log, sorted by hand.]
+DOCUMENTATION
+ o Document a change in the semantics of event_get_struct_event_size() (e21f5d1)
+ o Add a comment to describe our plan for library versioning (9659ece)
+ o Fix sentence fragment in docs for event_get_struct_event_size() (7b259b6)
+
+NEW FEATURES AND INTERFACE CHANGES
+ o Remove the obsolete evthread interfaces (c5bab56)
+ o Let evhttp_send_error infer the right error reasons (3990669)
+ o Add a function to retrieve the other side of a bufferevent pair (17a8e2d)
+ o Add bufferevent_lock()/bufferevent_unlock() (215e629)
+ o Stop asserting when asked for a (unsupported) TCP dns port. Just return NULL. (7e87a59)
+ o Replace (unused,always 0) is_tcp argument to evdns_add_server_port*() with flags (e1c1167)
+ o Constify a couple of arguments to evdns_server_request_add_*_reply (cc2379d)
+ o Add an interface to expose min_share in ratelimiting groups (6ae53d6)
+
+BUGFIXES
+ o Avoid event_del on uninitialized event in event_base_free (6d19510)
+ o Add some missing includes to fix Linux build again (75701e8)
+ o Avoid close of uninitialized socket in evbuffer unit test (bda21e7)
+ o Correctly recognize .255 addresses as link-local when looking for interfaces (8c3452b)
+ o If no evdns request can be launched, return NULL, not a handle (b14f151)
+ o Use generic win32 interfaces, not ASCII-only ones, where possible. (899b0a3)
+ o Fix the default HTTP error template (06bd056 Felix Nawothnig)
+ o Close the file in evutil_read_file whether there's an error or not. (0798dd1 Pierre Phaneuf)
+ o Fix possible nullptr dereference in evhttp_send_reply_end() (29b2e23 Felix Nawothnig)
+ o never let bufferevent_rlim functions return negative (0859870)
+ o Make sample/hello_world work on windows (d89fdba)
+ o Fix a deadlock related to event-base notification.  Diagnosed by Zhou Li, Avi Bab, and Scott Lamb. (17522d2)
+ o Possible fix to 100% cpu usage with epoll and openssl (cf249e7 Mike Smellie)
+ o Don't race when calling event_active/event_add on a running signal event (fc5e0a2)
+ o Suppress a spurious EPERM warning in epoll.c (e73cbde)
+ o Fix wrong size calculation of iovec buffers when exact=1 (65abdc2 niks)
+ o Change bufferevent_openssl::do_write so it doesn't call SSL_write with a 0 length buffer (c991317 Mike Smellie)
+ o Fixed compilation of sample/le-proxy.c on win32 (13b912e Trond Norbye)
+ o Fix rate-limit calculation on openssl bufferevents. (009f300)
+ o Remember to initialize timeout events for bufferevent_async (de1f5d6 Christopher Davis)
+
+BUILD AND DISTRIBUTION CHANGES
+ o Test the unlocked-deferred callback case of bufferevents (dfb75ab)
+ o Remove the now-unusable EVTHREAD_LOCK/UNLOCK constants (fdfc3fc)
+ o Use -Wlogical-op on gcc 4.5 or higher (d14bb92)
+ o Add the libtool-generated /m4/* stuff to .gitignore (c21c663)
+ o Remove some automake-generated files from version control. (9b14911)
+ o Have autogen.sh pass --force-missing to automake (8a44062)
+ o Set library version for libevent_pthreads correctly (b2d7440)
+ o Really only add libevent_core.la to LIBADD on mingw (1425003 Sebastian Hahn)
+ o Build more cleanly with NetBSDs that dislike toupper(char) (42a8c71)
+ o Fix unit tests with -DUSE_DEBUG enabled (28f31a4)
+ o Fix evdns build with -DUNICODE (5fa30d2)
+ o Move event-config.h to include/event2 (ec347b9)
+
+TESTING
+ o Add options to test-ratelim.c to check its results (2b44dcc)
+ o Make test-ratelim clean up after itself better. (b5bfc44)
+ o Remove the now-obsolete setup_test() and cleanup_test() functions (e73f1d7)
+ o Remove all non-error prints from test/regress.c (8bc1e3d)
+ o Make test.sh exit with nonzero status if tests fail (faf2a04)
+ o Have the unit tests report errors from test.sh (3689bd2)
+ o Fix logic in correcting high values from FIONREAD (3467f2f)
+ o Add test for behavior on remote socket close (44d57ee)
+ o Unit test for event_get_struct_event_size() (7510aac)
+ o Make test/test.sh call test-changelist (7c92691)
+ o Fix badly-behaved subtest of dns/bufferevent_connect_hostname (840a72f Joachim Bauch)
+ o Add option to test-ratelim to test min_share (42f6b62)
+ o Fix an assertion bug in test-ratelim (b2c6202)
+ o Make tests quieter on local dns resolver failure (e996b3d)
+ o Increase the tolerance in our unit tests for sloppy clocks. (170ffd2)
+ o Use AF_INET socketpair to test sendfile on Solaris (9b60209)
+ o Make test-changelist count cpu usage right on win32 (ea1ea3d)
+
+INTERNALS, PERFORMANCE, AND CODE CLEANUPS
+ o Mark the event_err() functions as __attribute__((noreturn)) (33bbbed)
+ o Do not check that event_base is set in EVBASE_ACQUIRE_LOCK (218a3c3)
+ o Replace (safe) use of strcpy with memcpy to appease OpenBSD (caca2f4)
+ o Remove some dead assignments (47c5dfb)
+ o Fix a pedantic gcc 4.4 warning in event2/event.h (276e7ee)
+ o Drain th_notify_fd[0] more bytes at a time. (a5bc15b)
+ o Tidy up the code in evthread_make_base_notifiable a little (61e1eee)
+ o Pass flags to fcntl(F_SETFL) and fcntl(F_SETFD) as int, not long (7c2dea1)
+ o Remove unused variables in test/test-changelist.c (b00d4c0)
+ o Fix whitespace. (cb927a5)
+ o Improve error message for failed epoll to make debugging easier. (9e725f7)
+ o Turn our socketpair() replacement into its own function (57b30cd)
+
+
+
+Changes in 2.0.5-beta (10 May 2010):
+ [Autogenerated from the Git log, sorted by hand.]
+DOCUMENTATION
+ o Update all our copyright notices to say "2010" (17efc1c)
+ o Add Christopher Clark and Maxim Yegorushkin to the LICENSE file (38b7b57)
+ o Clarify Christopher Clark's status as writer of original ht code. (78772c3)
+ o Try to comment some of the event code more (cdd4c49)
+ o Add a few more evmap/changelist comments (c247adc)
+ o Add a comment to explain why evdns_request is now separte from request (ceefbe8)
+ o Document evutil_secure_rng_init() and evutil_secure_rng_add_bytes() (a5bf43a)
+ o Stop distributing and installing manpages: they were too inaccurate (7731ec8)
+
+NEW FEATURES AND INTERFACE CHANGES
+ o Remove signal_assign() and signal_new() macros. (2fac0f7)
+ o Make evdns use the regular logging system by default (b2f2be6)
+ o Allow evbuffer_read() to split across more than 2 iovecs (e470ad3)
+ o Functions to manipulate existing rate limiting groups. (ee41aca)
+ o Functions to track the total bytes sent over a rate limit group. (fb366c1)
+ o Detect and refuse reentrant event_base_loop() calls (b557b17)
+ o Limit the maximum number of events on each socket to 65535 (819f949)
+ o Add evbuffer_copyout to copy data from an evbuffer without draining (eb86c8c)
+ o Expose the request and reply members of rpc_req_generic() (07edf78 Shuo Chen)
+ o Add void* arguments to request_new and reply_new evrpc hooks (755fbf1 Shuo Chen)
+ o Seed the RNG using sysctl() as well as /dev/urandom (71fc3eb)
+ o Make evutil_secure_rng_init() work even with builtin arc4random (f980716)
+ o Report DNS error when lookup fails during bufferevent_socket_connect_hostname. (0ef4070 Christopher Davis)
+ o Release locks on bufferevents while executing callbacks (a5208fe Joachim Bauch) o Make debug mode catch mixed ET and non-ET events on an fd (cb67074)
+ o Catch attempts to enable debug_mode too late (9ecf0d4)
+ o Refuse null keys in evhttp_parse_query() (953e229 Frank Denis)
+
+BUGFIXES
+ o Avoid a spurious close(-1) on Linux (70a44b6)
+ o Do not close(-1) when freeing an uninitialized socket bufferevent (b34abf3)
+ o Free evdns_base->req_heads on evdns_base_free (859af67)
+ o Avoid an (untriggerable so far) crash bug in bufferevent_free() (0cf1431)
+ o Set mem_offset for every bufferevent type (657d1b6)
+ o Fix infrequent memory leak in bufferevent_init_common(). (8398641 Jardel Weyrich)
+ o Make evutil_signal_active() match declaration. (e1e703d Patrick Galbraith)
+ o Fix minheap code to use replacement malloc functions (a527618)
+ o Fix a free(NULL) in minheap-internal.h (6f20492)
+ o Fix critical bug in evbuffer_write when writev is not available (cda56ab)
+ o Make the no_iovecs case of write_atmost compile (8e227b0)
+ o Fix a memory leak when appending/prepending to a buffer with unused space. (45068a3)
+ o Clean up a mistake in pointer manipulation in evbuffer_remove (28bfed4 Christopher Davis)
+ o Always round up when there's a fractional number of msecs. (8f9e60c Christopher Davis)
+ o Fix compiler warnings under WIN32 (d469c50 Giuseppe Scrivano)
+ o Clean up properly when adding a signal handler fails. (b84b598 Gilad Benjamini) o Ensure that evdns_request is a persistent handle. (15bb82d Christopher Davis)
+ o Free search state when finished searching to avoid an infinite loop. (a625840 Christopher Davis)
+ o Assert for valid requests as necessary. (67072f3 Christopher Davis)
+ o do not leak the request object on persistent connections (9d8edf2)
+ o Make evdns logging threadsafe (b1c7950)
+ o Fix a couple of bugs in the BSD sysctl arc4seed logic (a47a4b7)
+ o Remove one last bug in last_with_datap logic. Found with valgrind (d49b92a)
+ o fix a leak when unpausing evrpc requests (94ee125)
+ o Fix a memory leak when unmarshalling RPC object arrays (f6ab2a2)
+ o Fix compilation when openssl support is disabled (40c301b)
+ o Allow empty reason line in HTTP status (739e688 Pierre Phaneuf)
+ o Fix a compile warning introduced in 739e688 (bd1ed5f Sebastian Hahn)
+ o Fix nonstandard TAILQ_FOREACH_REVERSE() definition (71afc52 Frank Denis)
+ o Try /proc on Linux as entropy fallback; use sysctl as last resort (20fda29)
+ o Fix symbol conflict between mm_*() macros and libmm (99e50e9)
+ o Fix some crazy macro mistakes in arc4random.c (90d4225)
+ o Make evbuffer_add_file() work on windows (dcdae6b)
+ o Fix unused-variable warning when building with threads disabled (ad811cd)
+ o Numerous opensolaris compilation fixes (c44de06)
+ o Fix getaddrinfo with protocol unset on Solaris 9. Found by Dagobert Michelsen (2cf2a28)
+ o Fix another nasty solaris getaddrinfo() behavior (3557071)
+ o Define _REENTRANT as needed on Solaris, elsewhere (c1cd32a)
+ o Fix some autoconf issues on OpenBSD (7c519df)
+
+BUILD AND DISTRIBUTION CHANGES
+ o Distribute libevent.pc.in, not libevent.pc (22aff04)
+ o Avoid errors in evutil.c when building with _UNICODE defined (b677032 Brodie Thiesfield)
+ o Avoid errors in http.c when building with VC 2003 .NET (13e4f3b Brodie Thiesfield)
+ o Support the standard 'make check' target in place of 'make verify' (426c8fb)
+ o Remove redundant stuff from EXTRA_DIST (b660edf)
+ o Switch to using AM conditionals in place of AC_LIBOBJ (2e898f5)
+ o Remove an orphaned RELEASE flag in Makefile.am (0794b0d)
+ o Give a better warning for bad automake versions. (77c917d)
+ o Use dist_bin_SCRIPTS, not EXTRA_DIST, to distribute scripts (9eb2fd7)
+ o Never test for select() on windows (3eb044d Trond Norbye)
+ o Do not inhibit automake dependencies generation (10c4c90 Giuseppe Scrivano)
+ o Create shared libraries under Windows (3cbca86 Giuseppe Scrivano)
+ o Add ctags/etags files to .gitignore (0861d17)
+ o Only specify -no-undefined on mingw (25433b9)
+ o Only add libevent_core.la to LIBADD on mingw (fdc6297)
+
+TESTING
+ o Get bench_http to work on Windows; add a switch to enable IOCP. (4ac38a5 Christopher Davis)
+ o VC has no getopt(), so do without in bench_http. (1273d2f Christopher Davis)
+ o Fix an obnoxious typo in the bufferevent_timeout_filter test (0d047c3)
+ o Fix a write of uninitialized RAM in regression tests (68dc742)
+ o Fix some memory leaks in the unit tests (274a7bd)
+ o Make 'main/many_events' test 70 fds, not 64. (33874b0)
+ o Unit-test every evbuffer_add_file() implementation. (06a4443)
+ o Add more unit tests for evbuffer_expand (8c83e99)
+ o Test another case of evbuffer_prepend (1234b95)
+ o Fix a possible double-free bug in SSL bufferevents with CLOSE_ON_FREE (7501895) o Add dns/search_cancel unit test. (39b870b Christopher Davis)
+ o Make http_base_test stop leaking an event_base. (96730d3)
+ o Detect broken unsetenv at unit-test runtime (f37cd4c)
+ o Implement regress_make_tempfile on win32 to test evbuffer_add_file (b4f12a1)
+ o add more (currently skipped) add_file tests on win32 (05de45d)
+ o Fix bench_http build on win32. (384d124)
+ o Make unit test for add_file able to tell "error" from "done" (88a543f)
+ o Make test for bufferevent_connect_hostname system-neutral (f89168e)
+ o Make test.sh support mingw/msys on win32 (0ee6f6c)
+ o Fix test.sh on freebsd (3d9e05b)
+
+INTERNALS, PERFORMANCE, AND AND CODE CLEANUPS
+ o Improve the speed of evbuffer_readln() (cc1600a)
+ o more whitespace normalization (2c2618d)
+ o Revise evbuffer to add last_with_data (2a6d2a1)
+ o Use last_with_data in place of previous_to_last (c8ac57f)
+ o Remove previous_to_last from evbuffer (6f47bd1)
+ o Fix last_with_data compilation on windows (1e7b986)
+ o Add some glass-box tests for the last_with_data code. (17da042)
+ o Improve robustness for refcounting (f1bc125)
+ o Remove a needless min_heap_shift_up_() call (7204b91)
+ o Increase MIN_BUFFER_SIZE to 512 (1024 on 64-bit) (2014ae4)
+ o Do not use evbuffer_expand() to add the first chain to a buffer (5c0ebb3)
+ o Make evbuffer_prepend handle empty buffers better (c87272b)
+ o Replace last_with_data with a slightly smarter version (b7442f8)
+ o Turn the increasingly complex *_CHAIN() macros into functions (96865c4)
+ o Rewrite evbuffer_expand and its users (d5ebcf3)
+ o Add evutil_tv_to_msec for safe conversion of timevals to milliseconds. (850c3ff Christopher Davis)
+ o Initialize last_with_datap correctly in evbuffer_overlapped (a0983b6)
+ o Replace EVUTIL_CLOSESOCKET macro with a function (899c1dc Sebastian Sjöberg)
+ o Move domain search state to evdns_request. (beaa14a Christopher Davis)
+ o Remove redundant checks for lock!=NULL before calling EVLOCK_LOCK (50ec59f)
+ o Rename current_base symbol to event_global_current_base_ (c16e684)
+ o Fix whitespace in evutil.c (935e150)
+ o Replace users of "int fd" with "evutil_socket_t fd" in portable code (c7cf6f0)
+
+
+
+Changes in 2.0.4-alpha (28 Feb 2010):
+ [Autogenerated from the Git log, sorted by hand.]
+DOCUMENTATION
+ o Add stub header for 2.0.4-alpha changelog. (94d0065)
+ o Improve the README with more information and links. (0b42726)
+ o Add more people who wrote patches to the acknowledgments (0af10d5)
+ o Add a warning about the use of event_initialized. (f32b575)
+ o Add a LICENSE file so people can find our license easily (7067006)
+ o Add a new "hello world" sample program (becb9f9)
+ o Clarify status of example programs (d60a1bd)
+ o Update time-test.c to use event2 (f4190bf)
+ o Add the arc4random.c license to the LICENSE file. (e15e1e9)
+
+NEW FEATURES AND INTERFACE CHANGES
+ o Improved optional lock debugging. (0cd3bb9)
+ o Rate-limiting for bufferevents; group and individual limits are supported. (737c9cd)
+ o Testing code for bufferevent rate-limiting. (f0c0124)
+ o Make the initial nameserver probe timeout configurable. (1e56a32)
+ o Revise the locking API: deprecate the old locking callbacks and add trylock. (347952f)
+ o Do not make bufferevent_setfd implicitly disable EV_READ and EV_WRITE. (8274379)
+ o Do not ignore bufferevent_enable(EV_READ) before bufferevent_connect(). (4a5b534)
+ o Introduced evutil_make_socket_closeonexec() to preserve fd flags for F_SETFD. (d0939d2 Jardel Weyrich)
+ o evdns_getaddrinfo() now supports the /etc/hosts file. (72dd666)
+ o Look at the proper /etc/hosts file on windows. (66c02c7)
+ o Allow http connections to use evdns for hostname looksups. (c698b77)
+ o Changelist code to defer event changes until just before dispatch (27308aa)
+ o do not use a function to assign the evdns base; instead assign it via evhttp_connection_base_new() which is a new function introduced in 2.0 (5032e52)
+ o Functions to access more fields of struct event. (0683950)
+ o Make kqueue use changelists. (45e5ae3)
+ o Remove kqueue->pend_changes. (3225dfb)
+ o Minimize epoll_ctl calls by using changelist (c8c6a89)
+ o Add support for a "debug mode" to try to catch common errors. (cd17c3a)
+ o Note a missing ratelim function (361da8f)
+ o Add ev_[u]intptr_t to include/event2/util.h (1fa4c81)
+ o const-ify a few more functions in event.h (d38a7a1)
+ o Deprecate EVENT_FD and EVENT_SIGNAL. (f6b2694)
+ o Remove EVUTIL_CHECK_FMT. (6c21c89)
+ o Add EV_*_MAX macros to event2/util.h to expose limits for ev_* types. (aba1fff) o Functions to view and manipulate rate-limiting buckets. (85047a6)
+ o Add the rest of the integer limits, and add a test for them. (60742d5)
+ o Remove the 'flags' argument from evdns_base_set_option() (1dd7e6d)
+ o Add an arc4random implementation for use by evdns (d4de062)
+ o Use off_t for the length parameter of evbuffer_add_file (3fe60fd)
+ o Construct Windows locks using InitializeCriticalSectionAndSpinCount (32c6f1b)
+ o Expose view of current rate limit as constrained by group limit (162ce8a)
+ o Provide consistent, tested semantics for bufferevent timeouts (d328829)
+
+BUGFIXES AND TESTS
+ o Tolerate code that returns from a fatal_cb. (91fe23f)
+ o Parenthesize macro arguments more aggressively (07e9e9b)
+ o Fix memory-leak of signal handler array with kqueue. (e1ffbb8)
+ o Stop passing EVTHREAD_READ and EVTHREAD_WRITE to non-rw locks. (76cd2b7)
+ o Fix two use-after-free bugs in unit tests spoted by lock debugging (d84d838)
+ o Fix a locking bug in event_base_loop() (da1718b)
+ o Fix an evdns lock violation. (2df1f82 Zhuang Yuyao)
+ o Valgrind fix: Clear struct kevent before checking for OSX bug. (56771a3 William Ahern)
+ o Fix up evthread compilation on windows (bd6f1ba Roman Puls)
+ o Fix regress_iocp.c usage of old lock allocation macros. (31687b4 unknown)
+ o Update nmake makefile to build evthread.c (b62d979 unknown)
+ o Fix a crash when reading badly formatted resolve.conf; from Yasuoka Masahiko (6c7c579 Yasuoka Masahiko)
+ o Fix a snow leopard compile warning in the unit tests. (7ae9445)
+ o Fix compile on Snow Leopard with gcc warnings enabled (70cdfe4 Sebastian Hahn)
+ o Only define _GNU_SOURCE if it is not already defined. (ea6b1df Joachim Bauch)
+ o Update sample/signal-test.c to use newer APIs and not leak. (f6430ac Evan Jones)
+ o Fix a segfault when writing a very fragmented evbuffer onto an SSL (a6adeca Joachim Bauch)
+ o Fix a segfault when freeing SSL bufferevents in an unusual order (a773df5 Joachim Bauch)
+ o Drop install-sh from our git repo: a mismatched version could break "make dist" (6799527)
+ o Set all instances of the version number correctly. (5a112d3)
+ o Fix a few locking issues on windows. (c51bb3c unknown)
+ o Use evutil_socket_t, not int, when logging socket errors. (292467c)
+ o Fix up behavior of never-defered callbacks a little (390e056)
+ o Replace some cases of uint32_t with ev_uint32_t. (a47d88d)
+ o Fix compilation of devpoll.c by adding missing thread includes. (fee2c77 Dagobert Michelsen)
+ o Make evutil_make_socket_nonblocking() leave any other flags alone. (4c8b7cd Jardel Weyrich)
+ o Fix an fd leak in evconnlistener_new_bind(). (24fb502 Jardel Weyrich)
+ o Fix a bogus free in evutil_new_addrinfo() (0d64051 Jardel Weyrich)
+ o Adjusted fcntl() retval comparison on evutil_make_socket_nonblocking(). (4df7dbc Jardel Weyrich)
+ o Fix the code that allowed DNS options to not end with : (ee4953f)
+ o Fix crash bugs when a bufferevent's eventcb is not set. (2e8eeea)
+ o Fix test-ratelim compilation on Linux. (885b427)
+ o Fix compilation of rate-limiting code on win32. (165d30e)
+ o Eradicated the last free() call. Let mm_free() take care of deallocation. (0546ce1 Jardel Weyrich)
+ o Fix byte counts when mixing deferred and non-deferred evbuffer callbacks. (29151e6)
+ o Fixed a memory leak on windows threads implementation. The CRITICAL_SECTION was not being free'd in evthread_win32_lock_free(). (2f33e00 Jardel Weyrich)
+ o Fixed a fd leak in start_accepting(), plus cosmetic changes (4367a33 Jardel Weyrich)
+ o Improved error handling in evconnlistener_new_async(). Also keeping the fd open because it is not opened by this function, so the caller is responsible for closing it. Additionally, since evconnlistener_new_bind() creates a socket and passes it to the function above, it required error checking to close the same socket. (fec66f9 Jardel Weyrich)
+ o Don't use a bind address for nameservers on loopback (8d4aaf9)
+ o Fix compilation of rate-limit code when threading support is disabled (97a8c79)
+ o Detect setenv/unsetenv; skip main/base_environ test if we can't fake them. (7296971)
+ o Check more internal event_add() calls for failure (ff3f6cd)
+ o Fix windows and msvc build (5c7a7bc)
+ o Call event_debug_unassign on internal events (a19b4a0)
+ o Try to fix a warning in hash_debug_entry (137f2c6)
+ o Fix a dumb typo in ev_intptr_t definitions. (27c9a40)
+ o do not fail while sending on http connections the client closed. (93d7369)
+ o make evhttp_send() safe against terminated connections, too (3978180)
+ o Make Libevent 1.4.12 build on win32 with Unicode enabled. (000a33e Brodie Thiesfield)
+ o Fix some additional -DUNICODE issues on win32. (a7a9431)
+ o Add a check to make soure our EVUTIL_AI flags do not conflict with the native ones (c18490e)
+ o Always use our own gai_strerror() replacement. (6810bdb)
+ o Make RNG work when we have arc4random() but not arc4random_buf() (4ec8fea)
+ o validate close cb on server when client connection closes (2f782af)
+ o Fix two unlocked reads in evbuffer. (7116bf2)
+ o When working without a current event base, don't try to use IOCP listeners (cb52838)
+ o Fix getpid() usage on Windows (ff2a134)
+ o Add a unit test for secure rng. (48a29b6)
+ o Add some headers to fix freebsd compilation (b72be50)
+ o When connect() succeeds immediately, don't invoke the callback immediately. (7515de9)
+ o Suspend read/write on bufferevents during hostname lookup (db08f64)
+ o Make bufferevent_free() clear all callbacks immediately. (b2fbeb3)
+ o Fix some race conditions in persistent events and event_reinit (e2642f0)
+ o Fix a bug in resetting timeouts on persistent events when IO triggers. (38ec0a7)
+ o Add a test for timeouts on filtering bufferevents. (c02bfe1)
+ o Add test for periodic timers that get activated for other reasons (8fcb7a1)
+ o Use new timeval diff comparison function in bufferevent test (f3dfe46)
+ o Delete stack-alloced event in new unit test before returning. (7ffd387)
+ o Fix mingw compilation (23170a6)
+ o Try to define a sane _EVENT_SIZEOF_SIZE_T for msvc compilation (1e14f82)
+ o Fix arc4random compilation on MSVC. (98edb89)
+ o deal with connect() failing immediately (7bc48bf)
+ o Small cleanups on freebsd-connect-refused patch. (57b7248)
+
+BUILD AND DISTRIBUTION CHANGES
+ o Remove the contents of WIN32-Prj as unmaintained. (c69d5a5)
+ o Allow the user to redirect the verbose output of test/test.sh to a file (c382de6)
+ o Allow test.sh to be run as ./test/test.sh (7dfbe94)
+ o Never believe that we have pthreads on win32, even if gcc thinks we do. (78ed097)
+ o Make it compile under gcc --std=c89. (e2ca403)
+ o Fix a number of warnings from gcc -pedantic (918e9c5)
+ o Add the msvc-generated .lib files to .gitignore. (e244a2e)
+ o Add the "compile" script to gitignore. (1ba6bed)
+
+INTERNALS AND CODE CLEANUPS
+ o Add a .gitignore file. (ba34071)
+ o New EVTHREAD_TRY_LOCK function to try to grab a lock. (689fc09)
+ o Add the abilitity to mark some buffer callbacks as never-deferred. (438f9ed)
+ o Refactor our 'suspend operation' logic on bufferevents. (0d744aa)
+ o Simplify the read high-watermark checking. (5846bf6)
+ o Improve readability of evutil_unparse_protoname() (5a43df8 Jardel Weyrich)
+ o Expose our cached gettimeofday value with a new interface (47854a8)
+ o Whitespace fixes in test.sh (0b151a9)
+ o Enable branch-prediction hints with EVUTIL_UNLIKELY. (eaaf27f)
+ o Refactor code from evdns into a new internal "read a file" function. (0f7144f)
+ o Comestic changes in evconnlistener_new(), new_accepting_socket(), accepted_socket_invoke_user_cb() and iocp_listener_enable(). (510ab6b Jardel Weyrich)
+ o Add unit-test for bad_request bug fixed in 1.4 recently. (6cc79c6 Pavel Plesov) o Add a comment on evthread_enable_lock_debuging. (b9f43b2)
+ o Fix test.sh on shells without echo -n (94131e9)
+ o More unit tests for getaddrinfo_async: v4timeout and cancel. (a334b31)
+ o Make http use evconnlistener. (ec34533)
+ o move dns utility functions into a separate file so that we can use them for http testing (b822639)
+ o add a test for evhttp_connection_base_new with a dns_base (26714ca)
+ o forgot to add void to test function (78a50fe)
+ o Add a forgotten header (changelist-internal.h) (4b9f307)
+ o Remove some commented-out code in evutil (26e1b6f)
+ o Remove a needless include of rpc_compat.h (70a4a3e)
+ o Use less memory for each entry in a hashtable (a66e947)
+ o Try to untangle the logic in server_port_flush(). (439aea0)
+ o Use ev_[u]intptr_t types in place of [u]intptr_t (cef61a2)
+ o Reduce windows header includes in our own headers. (da6135e)
+ o clean up terminate_chunked test (e8a9782)
+ o Increment the submicro version number. (63e868e)
+ o Update event-config.h version number to match configure.in (aae7db5)
+ o Clean up formatting: Disallow space-before-tab. (8fdf09c)
+ o Clean up formatting: use tabs, not 8-spaces, to indent. (e5bbd40)
+ o Clean up formatting: remove trailing spaces (e5cf987)
+ o Clean up formatting: function/keyword spacing consistency. (4faeaea)
+
+
+
+Changes in 2.0.3-alpha (20 Nov 2009):
+ o Add a new code to support SSL/TLS on bufferevents, using the OpenSSL library (where available).
+ o Fix a bug where we didn't allocate enough memory in event_get_supported_methods().
+ o Avoid segfault during failed allocation of locked evdns_base. (Found by Rocco Carbone.)
+ o Export new evutil_ascii_* functions to perform locale-independent character type operations.
+ o Try to compile better with MSVC: patches from Brodie Thiesfield
+ o New evconnlistener_get_fd function to expose a listener's associated socket.
+ o Expose an ev_socklen_t type for consistent use across platforms.
+ o Make bufferevent_socket_connect() work when the original fd was -1.
+ o Fix a bug in bufferevent_socket_connect() when the connection succeeds too quickly.
+ o Export an evutil_sockaddr_cmp() to compare to sockaddr objects for equality.
+ o Add a bufferevent_get_enabled() to tell what a bufferevent has been configured to do.
+ o Add an evbuffer_search_eol() function to locate the end of a line nondestructively.
+ o Add an evbuffer_search_range() function to search a bounded range of a buffer.
+ o Fix a rare crash bug in evdns.
+ o Have bufferevent_socket_connect() with no arguments put a bufferevent into connecting mode.
+ o Support sendfile on Solaris: patch from Caitlin Mercer.
+ o New functions to explicitly reference a socket used by an evhttp object. Patches from David Reiss.
+ o When we send a BEV_EVENT_CONNECTED to indicate connected status, we no longer invoke the write callback as well unless we actually wrote data too.
+ o If the kernel tells us that there are a negative number of bytes to read from a socket, do not believe it.  Fixes bug 2841177; found by Alexander Pronchenkov.
+ o Do not detect whether we have monotonic clock support every time a new event base is created: instead do it only once.  Patch taken from Chromium.
+ o Do not allocate the maximum event queue for the epoll backend at startup.  Instead, start out accepting 32 events at a time, and double the queue's size when it seems that the OS is generating events faster than we're requesting them.  Saves up to 374K per epoll-based event_base.  Resolves bug 2839240.
+ o Treat an event with a negative fd as valid but untriggerable by Libevent.  This is useful for applications that want to manually activate events.
+ o Fix compilation on Android, which forgot to define fd_mask in its sys/select.h
+ o Do not drop data from evbuffer when out of memory; reported by Jacek Masiulaniec
+ o New event_base_got_exit() and event_base_got_break() functions to tell whether an event loop exited because of an event_base_loopexit() or an event_base_loopbreak().  Patch from Ka-Hing Cheung.
+ o When adding or deleting an event from a non-main thread, only wake up the main thread when its behavior actually needs to change.
+ o Fix some bugs when using the old evdns interfaces to initialize the evdns module.
+ o Detect errors during bufferevent_connect().  Patch from Christopher Davis.
+ o Fix compilation for listener.h for C++ - missing extern "C".  Patch from Ferenc Szalai.
+ o Make the event_base_loop() family of functions respect thread-safety better.  This should clear up a few hard-to-debug race conditions.
+ o Fix a bug when using a specialized memory allocator on win32.
+ o Have the win32 select() backend label TCP-socket-connected events as EV_WRITE, not EV_READ.  This should bring it in line with the other backends, and improve portability.  Patch from Christopher Davis.
+ o Stop using enums as arguments or return values when what we mean is a bitfield of enum values.  C++ doesn't believe that you can OR two enum values together and get another enum, and C++ takes its typing seriously.  Patch from Christopher Davis.
+ o Add an API to replace all fatal calls to exit() with a user-provided panic function.
+ o Replace all assert() calls with a variant that is aware of the user-provided logging and panic functions.
+ o Add a return value to event_assign so that it can fail rather than asserting when the user gives it bad input.  event_set still dies on bad input.
+ o The event_base_new() and event_base_new_with_config() functions now never call exit() on failure.  For backward "compatibility", event_init() still does, but more consistently.
+ o Remove compat/sys/_time.h.  It interfered with system headers on HPUX, and its functionality has been subsumed by event2/util.h and util-internal.h.
+ o Add a new bufferevent_socket_connect_hostname() to encapsulate the resolve-then-connect operation.
+ o Build kqueue.c correctly on GNU/kFreeBSD platforms. Patch pulled upstream from Debian.
+ o Alternative queue-based timeout algorithm for programs that use a large number of timeouts with the same value.
+ o New event_base_config option to disable the timeval cache entirely.
+ o Make EV_PERSIST timeouts more accurate: schedule the next event based on the scheduled time of the previous event, not based on the current time.
+ o Allow http.c to handle cases where getaddrinfo returns an IPv6 address.  Patch from Ryan Phillips.
+ o Fix a problem with excessive memory allocation when using multiple event priorities.
+ o Default to using arc4random for DNS transaction IDs on systems that have it; from OpenBSD.
+ o Never check the environment when we're running setuid or setgid; from OpenBSD.
+ o Options passed to evdns_set_option() no longer need to end with a colon.
+ o Add an evutil_getaddrinfo() function to clone getaddrinfo on platforms that don't have it.
+ o Add an evdns_getaddrinfo() function to provide a nonblocking getaddrinfo using evdns, so programs can perform useful hostname lookup.
+ o Finally expose the IOCP-based bufferevent backend.  It passes its unit tests, but probably still has some bugs remaining.  Code by Nick Mathewson and Christopher Davis.
+ o Numerous other bugfixes.
+ o On FreeBSD and other OSes, connect can return ECONREFUSED immediately; instead of failing the function call, pretend with faileld in the callback.
+ o Fix a race condition in the pthreads test case; found by Nick Mathewson
+ o Remove most calls to event_err() in http and deal with memory errors instead
+
+
+
+Changes in 2.0.2-alpha (25 Jul 2009):
+ o Add a new flag to bufferevents to make all callbacks automatically deferred.
+ o Make evdns functionality locked, and automatically defer dns callbacks.
+ o Fix a possible free(NULL) when freeing an event_base with no signals.
+ o Add a flag to disable checking environment varibles when making an event_base
+ o Disallow setting less than 1 priority.
+ o Fix a bug when removing a timeout from the heap. [Patch from Marko Kreen]
+ o Use signal.h, not sys/signal.h. [Patch from mmadia]
+ o Try harder to build with certain older c99 compilers.
+ o Make sure that an event_config's flags field is always initialized to 0. [Bug report from Victor Goya]
+ o Avoid data corruption when reading data entirely into the second-to-last chain of an evbuffer. [Bug report from Victor Goya]
+ o Make sendfile work on FreeBSD
+ o Do not use vararg macros for accessing evrpc structures; this is not backwards compatible, but we did not promise any backwards compatibility for the rpc code.
+ o Actually define the event_config_set_flag() function.
+ o Try harder to compile with Visual C++.
+ o Move event_set() and its allies to event2/event_compat.h where they belong.
+ o Remove the event_gotsig code, which has long been deprecated and unused.
+ o Add an event_get_base() function to return the base assigned to an event.
+ o New function to automate connecting on a socket-based bufferevent.
+ o New functions to automate listening for incoming TCP connections.
+ o Do case-insensitive checks with a locale-independent comparison function.
+ o Rename the evbuffercb and everrorcb callbacks to bufferevent_data_cb and bufferevent_event_cb respectively.  The old names are available in bufferevent_compat.h.
+ o Rename the EVBUFFER_* codes used by bufferevent event callbacks to BEV_EVENT_*, to avoid namespace collision with evbuffer flags.  The old names are available in bufferevent_compat.h.
+ o Move the EVBUFFER_INPUT and EVBUFFER_OUTPUT macros to bufferevent_compat.h
+ o Add a bufferevent_getfd() function to mirror bufferevent_setfd()
+ o Make bufferevent_setfd() return an error code if the operation is not successful.
+ o Shave 22 bytes off struct event on 32-bit platforms by shrinking and re-ordering fields.  The savings on 64-bit platforms is likely higher.
+ o Cap the maximum number of priorities at 256.
+ o Change the semantics of evbuffer_cb_set_flags() to be set-flag only; add a new evbuffer_cb_clear_flags() to remove set flags.
+ o Change the interface of evbuffer_add_reference so that the cleanup callback gets more information
+ o Revise the new evbuffer_reserve_space/evbuffer_commit_space() interfaces so that you can use them without causing extraneous copies or leaving gaps in the evbuffer.
+ o Add a new evbuffer_peek() interface to inspect data in an evbuffer without removing it.
+ o Fix a deadlock when suspending reads in a bufferevent due to a full buffer. (Spotted by Joachim Bauch.)
+ o Fix a memory error when freeing a thread-enabled event base with registered events. (Spotted by Joachim Bauch.)
+ o Try to contain degree of failure when running on a win32 version so heavily firewalled that we can't fake a socketpair.
+ o Activate fd events in a pseudorandom order with O(N) backends, so that we don't systematically favor low fds (select) or earlier-added fds (poll, win32).
+ o Replace some read()/write() instances with send()/recv() to work properly on win32.
+ o Set truncated flag correctly in evdns server replies.
+ o Raise RpcGenError in event_rpcgen.py; from jmanison and Zack Weinberg
+ o Fix preamble of rpcgen-generated files to rely on event2 includes; based on work by jmansion; patch from Zack Weinberg.
+ o Allow specifying the output filename for rpcgen; based on work by jmansion; patch from Zack Weinberg.
+ o Allow C identifiers as struct names; allow multiple comments in .rpc files; from Zack Weinberg
+ o Mitigate a race condition when using socket bufferevents in multiple threads.
+ o Use AC_SEARCH_LIBS, not AC_CHECK_LIB to avoid needless library use.
+ o Do not allow event_del(ev) to return while that event's callback is executing in another thread.  This fixes a nasty race condition.
+ o event_get_supported_methods() now lists methods that have been disabled with the EVENT_NO* environment options.
+ o Rename encode_int[64] to evtag_encode_int[64] to avoid polluting the global namespace.  The old method names are still available as macros in event2/tag_compat.h.
+
+
+
+Changes in 2.0.1-alpha (17 Apr 2009):
+ o free minheap on event_base_free(); from Christopher Layne
+ o debug cleanups in signal.c; from Christopher Layne
+ o provide event_base_new() that does not set the current_base global
+ o bufferevent_write now uses a const source argument; report from Charles Kerr
+ o improve documentation on event_base_loopexit; patch from Scott Lamb
+ o New function, event_{base_}loopbreak.  Like event_loopexit, it makes an event loop stop executing and return.  Unlike event_loopexit, it keeps subsequent pending events from getting executed.  Patch from Scott Lamb
+ o Check return value of event_add in signal.c
+ o provide event_reinit() to reintialize an event_base after fork
+ o New function event_set_mem_functinons.  It allows the user to give libevent replacement functions to use for memory management in place of malloc(), free(), etc.  This should be generally useful for memory instrumentation, specialized allocators, and so on.
+ o The kqueue implementation now catches signals that are raised after event_add() is called but before the event_loop() call.  This makes it match the other implementations.
+ o The kqueue implementation now restores original signal handlers correctly when its signal events are removed.
+ o Check return value of event_add in signal.c
+ o Add a more powerful evbuffer_readln as a replacement for evbuffer_readline.  The new function handles more newline styles, and is more useful with buffers that may contain a nul characters.
+ o Do not mangle socket handles on 64-bit windows.
+ o The configure script now takes an --enable-gcc-warnigns option that turns on many optional gcc warnings.  (Nick has been building with these for a while, but they might be useful to other developers.)
+ o move EV_PERSIST handling out of the event backends
+ o small improvements to evhttp documentation
+ o always generate Date and Content-Length headers for HTTP/1.1 replies
+ o set the correct event base for HTTP close events
+ o When building with GCC, use the "format" attribute to verify type correctness of calls to printf-like functions.
+ o Rewrite win32.c backend to be O(n lg n) rather than O(n^2).
+ o Removed obsoleted recalc code
+ o support for 32-bit tag numbers in rpc structures; this is wire compatible, but changes the API slightly.
+ o pull setters/getters out of RPC structures into a base class to which we just need to store a pointer; this reduces the memory footprint of these structures.
+ o prefix {encode,decode}_tag functions with evtag to avoid collisions
+ o fix a bug with event_rpcgen for integers
+ o Correctly handle DNS replies with no answers set (Fixes bug 1846282)
+ o add -Wstrict-aliasing to warnings and more cleanup
+ o removed linger from http server socket; reported by Ilya Martynov
+ o event_rpcgen now allows creating integer arrays
+ o support string arrays in event_rpcgen
+ o change evrpc hooking to allow pausing of RPCs; this will make it possible for the hook to do some meaning ful work; this is not backwards compatible.
+ o allow an http request callback to take ownership of a request structure
+ o allow association of meta data with RPC requests for hook processing
+ o associate more context for hooks to query such as the connection object
+ o remove pending timeouts on event_base_free()
+ o also check EAGAIN for Solaris' event ports; from W.C.A. Wijngaards
+ o devpoll and evport need reinit; tested by W.C.A Wijngaards
+ o event_base_get_method; from Springande Ulv
+ o Send CRLF after each chunk in HTTP output, for compliance with RFC2626.  Patch from "propanbutan".  Fixes bug 1894184.
+ o Add a int64_t parsing function, with unit tests, so we can apply Scott Lamb's fix to allow large HTTP values.
+ o Use a 64-bit field to hold HTTP content-lengths.  Patch from Scott Lamb.
+ o Allow regression code to build even without Python installed
+ o remove NDEBUG ifdefs from evdns.c
+ o detect integer types properly on platforms without stdint.h
+ o udpate documentation of event_loop and event_base_loop; from Tani Hosokawa.
+ o simplify evbuffer by removing orig_buffer
+ o do not insert event into list when evsel->add fails
+ o add support for PUT/DELETE requests; from Josh Rotenberg
+ o introduce evhttp_accept_socket() to accept from an already created socket
+ o include Content-Length in reply for HTTP/1.0 requests with keep-alive
+ o increase listen queue for http sockets to 128; if that is not enough the evhttp_accpet_socket() api can be used with a prepared socket.
+ o Patch from Tani Hosokawa: make some functions in http.c threadsafe.
+ o test support for PUT/DELETE requests; from Josh Rotenberg
+ o rewrite of the evbuffer code to reduce memory copies
+ o Some older Solaris versions demand that _REENTRANT be defined to get strtok_r(); do so.
+ o Do not free the kqop file descriptor in other processes, also allow it to be 0; from Andrei Nigmatulin
+ o Provide OpenSSL style support for multiple threads accessing the same event_base
+ o make event_rpcgen.py generate code include event-config.h; reported by Sam Banks.
+ o switch thread support so that locks get allocated as they are needed.
+ o make event methods static so that they are not exported; from Andrei Nigmatulin
+ o make RPC replies use application/octet-stream as mime type
+ o do not delete uninitialized timeout event in evdns
+ o Correct the documentation on buffer printf functions.
+ o Don't warn on unimplemented epoll_create(): this isn't a problem, just a reason to fall back to poll or select.
+ o Correctly handle timeouts larger than 35 minutes on Linux with epoll.c.  This is probably a kernel defect, but we'll have to support old kernels anyway even if it gets fixed.
+ o Make name_from_addr() threadsafe in http.c
+ o Add new thread-safe interfaces to evdns functions.
+ o Make all event_tagging interfaces threadsafe.
+ o Rename internal memory management functions.
+ o New functions (event_assign, event_new, event_free) for use by apps that want to be safely threadsafe, or want to remain ignorant of the contents of struct event.
+ o introduce bufferevent_read_buffer; allows reading without memory copy.
+ o expose bufferevent_setwatermark via header files and fix high watermark on read
+ o fix a bug in buffrevent read water marks and add a test for them
+ o fix a bug in which bufferevent_write_buffer would not schedule a write event
+ o provide bufferevent_input and bufferevent_output without requiring knowledge of the structure
+ o introduce bufferevent_setcb and bufferevent_setfd to allow better manipulation of bufferevents
+ o convert evhttp_connection to use bufferevents.
+ o use libevent's internal timercmp on all platforms, to avoid bugs on old platforms where timercmp(a,b,<=) is buggy.
+ o Remove the never-exported, never-used evhttp_hostportfile function.
+ o Support input/output filters for bufferevents; somewhat similar to libio's model.  This will allow us to implement SSL, compression, etc, transparently to users of bufferevents such as the http layer.
+ o allow connections to be removed from an rpc pool
+ o add new evtimer_assign, signal_assign, evtimer_new, and signal_new functions to manipulate timer and signal events, analagous to the now-recommended event_assign and event_new
+ o switch internal uses of event_set over to use event_assign.
+ o introduce evbuffer_contiguous_space() api that tells a user how much data is available in the first buffer chain
+ o introduce evbuffer_reserve_space() and evbuffer_commit_space() to make processing in filters more efficient.
+ o reduce system calls for getting current time by caching it.
+ o separate signal events from io events; making the code less complex.
+ o support for periodic timeouts
+ o support for virtual HTTP hosts.
+ o turn event_initialized() into a function, and add function equivalents to EVENT_SIGNAL and EVENT_FD so that people don't need to include event_struct.h
+ o Build test directory correctly with CPPFLAGS set.
+ o Provide an API for retrieving the supported event mechanisms.
+ o event_base_new_with_config() and corresponding config APIs.
+ o migrate the evhttp header to event2/ but accessors are still missing.
+ o deprecate timeout_* event functions by moving them to event_compat.h
+ o Move	windows gettimeofday replacement into a new evutil_gettimeofday().
+ o Make configure script work on IRIX.
+ o provide a method for canceling ongoing http requests.
+ o Make vsnprintf() returns consistent on win32.
+ o Fix connection keep-alive behavior for HTTP/1.0
+ o Fix use of freed memory in event_reinit; pointed out by Peter Postma
+ o constify struct timeval * where possible
+ o make event_get_supported_methods obey environment variables
+ o support for edge-triggered events on epoll and kqueue backends: patch from Valery Kholodkov
+ o support for selecting event backends by their features, and for querying the features of a backend.
+ o change failing behavior of event_base_new_with_config: if a config is provided and no backend is selected, return NULL instead of aborting.
+ o deliver partial data to request callbacks when chunked callback is set even if there is no chunking on the http level; allows cancelation of requests from within the chunked callback; from Scott Lamb.
+ o allow min_heap_erase to be called on removed members; from liusifan.
+ o Rename INPUT and OUTPUT to EVRPC_INPUT and EVRPC_OUTPUT.  Retain INPUT/OUTPUT aliases on on-win32 platforms for backwards compatibility.
+ o Do not use SO_REUSEADDR when connecting
+ o Support 64-bit integers in RPC structs
+ o Correct handling of trailing headers in chunked replies; from Scott Lamb.
+ o Support multi-line HTTP headers; based on a patch from Moshe Litvin
+ o Reject negative Content-Length headers; anonymous bug report
+ o Detect CLOCK_MONOTONIC at runtime for evdns; anonymous bug report	
+ o Various HTTP correctness fixes from Scott Lamb
+ o Fix a bug where deleting signals with the kqueue backend would cause subsequent adds to fail
+ o Support multiple events listening on the same signal; make signals regular events that go on the same event queue; problem report by Alexander Drozdov.
+ o Fix a problem with epoll() and reinit; problem report by Alexander Drozdov.	
+ o Fix off-by-one errors in devpoll; from Ian Bell
+ o Make event_add not change any state if it fails; reported by Ian Bell.
+ o Fix a bug where headers arriving in multiple packets were not parsed; fix from Jiang Hong; test by me.
+ o Match the query in DNS replies to the query in the request; from Vsevolod Stakhov.
+ o Add new utility functions to correctly observe and log winsock errors.
+ o Do not remove Accept-Encoding header
+ o Clear the timer cache on entering the event loop; reported by Victor Chang
+ o Only bind the socket on connect when a local address has been provided; reported by Alejo Sanchez
+ o Allow setting of local port for evhttp connections to support millions of connections from a single system; from Richard Jones.
+ o Clear the timer cache when leaving the event loop; reported by Robin Haberkorn
+ o Fix a typo in setting the global event base; reported by lance.
+ o Set the 0x20 bit on outgoing alphabetic characters in DNS requests randomly, and insist on a match in replies.  This helps resist DNS poisoning attacks.
+ o Make the http connection close detection work properly with bufferevents and fix a potential memory leak associated with it.
+ o Restructure the event backends so that they do not need to keep track of events themselves, as a side effect multiple events can use the same fd or signal.
+ o Add generic implementations for parsing and emiting IPv6 addresses on platforms that do not have inet_ntop and/or inet_pton.
+ o Allow DNS servers that have IPv6 addresses.
+ o Add an evbuffer_write_atmost() function to write a limited number of bytes to an fd.
+ o Refactor internal notify-main-thread logic to prefer eventfd to pipe, then pipe to socketpair, and only use socketpairs as a last resort.
+ o Try harder to pack all evbuffer reads into as few chains as possible, using readv/WSARecv as appropriate.
+ o New evthread_use_windows_threads() and evthread_use_pthreads() functions to set up the evthread callbacks with reasonable defaults.
+ o Change the semantics of timeouts in conjunction with EV_PERSIST; timeouts in that case will now repeat until deleted.
+ o sendfile, mmap and memory reference support for evbuffers.
+ o New evutil_make_listen_socket_reuseable() to abstract SO_REUSEADDR.
+ o New bind-to option to allow DNS clients to bind to an arbitrary port for outgoing requests.
+ o evbuffers can now be "frozen" to prevent operations at one or both ends.
+ o Bufferevents now notice external attempts to add data to an inbuf or remove it from an outbuf, and stop them.
+ o Fix parsing of queries where the encoded queries contained \r, \n or +
+ o Do not allow internal events to starve lower-priority events.
+
diff --git a/Doxyfile b/Doxyfile
index 5d3865e..d9d6603 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -239,7 +239,7 @@
 # undefined via #undef or recursively expanded use the := operator 
 # instead of the = operator.
 
-PREDEFINED             = TAILQ_ENTRY RB_ENTRY _EVENT_DEFINED_TQENTRY _EVENT_IN_DOXYGEN
+PREDEFINED             = TAILQ_ENTRY RB_ENTRY EVENT_DEFINED_TQENTRY_ EVENT_IN_DOXYGEN_
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
 # this tag can be used to specify a list of macro names that should be expanded. 
diff --git a/LICENSE b/LICENSE
index 70d76b3..402ca50 100644
--- a/LICENSE
+++ b/LICENSE
@@ -72,3 +72,28 @@
    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
+==============================
+
+The Windows timer code is based on code from libutp, which is
+distributed under this license, sometimes called the "MIT" license.
+
+
+Copyright (c) 2010 BitTorrent, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/Makefile.am b/Makefile.am
index 75e376d..c8354c3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,8 +5,8 @@
 # See LICENSE for copying information.
 
 # 'foreign' means that we're not enforcing GNU package rules strictly.
-# '1.7' means that we need automake 1.7 or later (and we do).
-AUTOMAKE_OPTIONS = foreign 1.7
+# '1.9' means that we need automake 1.9 or later (and we do).
+AUTOMAKE_OPTIONS = foreign 1.9 subdir-objects
 
 ACLOCAL_AMFLAGS = -I m4
 
@@ -18,7 +18,7 @@
 # will increment for each series until we revise our interfaces enough
 # that we can seriously expect ABI compatibility between series.
 #
-RELEASE = -release 2.0
+RELEASE = -release 2.1
 
 # This is the version info for the libevent binary API.  It has three
 # numbers:
@@ -38,7 +38,7 @@
 #
 # Once an RC is out, DO NOT MAKE ANY ABI-BREAKING CHANGES IN THAT SERIES
 # UNLESS YOU REALLY REALLY HAVE TO.
-VERSION_INFO = 6:10:1
+VERSION_INFO = 6:2:0
 
 # History:          RELEASE    VERSION_INFO
 #  2.0.1-alpha --     2.0        1:0:0
@@ -62,11 +62,16 @@
 #  2.0.19-stable--    2.0        6:7:1 (No ABI change)
 #  2.0.20-stable--    2.0        6:8:1 (No ABI change)
 #  2.0.21-stable--    2.0        6:9:1 (No ABI change)
-#  2.0.22-stable--    2.0        6:10:1 (No ABI change)
 #
 # For Libevent 2.1:
 #  2.1.1-alpha --     2.1        1:0:0
-
+#  2.1.2-alpha --     2.1        1:0:0 (should have been 2:0:1)
+#  2.1.3-alpha --     2.1        3:0:0 (ABI changed slightly)
+#  2.1.4-alpha --     2.1        4:0:0 (ABI changed slightly)
+#  2.1.5-beta  --     2.1        5:0:0 (ABI changed slightly)
+#  2.1.6-beta  --     2.1        6:0:0 (ABI changed slightly)
+#  2.1.7-beta  --     2.1        6:1:0 (ABI changed slightly)
+#  2.1.8-stable--     2.1        6:2:0 (ABI changed slightly)
 
 # ABI version history for this package effectively restarts every time
 # we change RELEASE.  Version 1.4.x had RELEASE of 1.4.
@@ -91,23 +96,26 @@
 endif
 
 pkgconfigdir=$(libdir)/pkgconfig
-LIBEVENT_PKGCONFIG=libevent.pc
+LIBEVENT_PKGCONFIG=libevent.pc libevent_core.pc libevent_extra.pc
 
-# These sources are conditionally added by configure.in or conditionally
+# These sources are conditionally added by configure.ac or conditionally
 # included from other files.
 PLATFORM_DEPENDENT_SRC = \
-	epoll_sub.c \
-	arc4random.c
+	arc4random.c \
+	epoll_sub.c
 
 EXTRA_DIST = \
+	ChangeLog-1.4 \
+	ChangeLog-2.0 \
+	Doxyfile \
 	LICENSE \
+	Makefile.nmake test/Makefile.nmake \
 	autogen.sh \
 	event_rpcgen.py \
 	libevent.pc.in \
 	make-event-config.sed \
-	Doxyfile \
 	whatsnew-2.0.txt \
-	Makefile.nmake test/Makefile.nmake \
+	whatsnew-2.1.txt \
 	$(PLATFORM_DEPENDENT_SRC)
 
 LIBEVENT_LIBS_LA = libevent.la libevent_core.la libevent_extra.la
@@ -127,14 +135,27 @@
 noinst_LTLIBRARIES =  $(LIBEVENT_LIBS_LA)
 endif
 
-SUBDIRS = . include sample test
+EXTRA_SOURCE=
+noinst_HEADERS=
+noinst_PROGRAMS=
+EXTRA_PROGRAMS=
+CLEANFILES=
+DISTCLEANFILES=
+BUILT_SOURCES =
+include include/include.am
+include sample/include.am
+include test/include.am
 
 if BUILD_WIN32
 
 SYS_LIBS = -lws2_32 -lshell32 -ladvapi32
-SYS_SRC = win32select.c evthread_win32.c buffer_iocp.c event_iocp.c \
+SYS_SRC = win32select.c buffer_iocp.c event_iocp.c \
 	bufferevent_async.c
-SYS_INCLUDES = -IWIN32-Code
+SYS_INCLUDES = -IWIN32-Code -IWIN32-Code/nmake
+
+if THREADS
+SYS_SRC += evthread_win32.c
+endif
 
 else
 
@@ -144,6 +165,9 @@
 
 endif
 
+if STRLCPY_IMPL
+SYS_SRC += strlcpy.c
+endif
 if SELECT_BACKEND
 SYS_SRC += select.c
 endif
@@ -166,18 +190,35 @@
 SYS_SRC += signal.c
 endif
 
-BUILT_SOURCES = include/event2/event-config.h
+BUILT_SOURCES += include/event2/event-config.h
 
 include/event2/event-config.h: config.h make-event-config.sed
-	test -d include/event2 || $(MKDIR_P) include/event2
-	$(SED) -f $(srcdir)/make-event-config.sed < config.h > $@T
-	mv -f $@T $@
+	$(AM_V_GEN)test -d include/event2 || $(MKDIR_P) include/event2
+	$(AM_V_at)$(SED) -f $(srcdir)/make-event-config.sed < config.h > $@T
+	$(AM_V_at)mv -f $@T $@
 
-CORE_SRC = event.c evthread.c buffer.c \
-	bufferevent.c bufferevent_sock.c bufferevent_filter.c \
-	bufferevent_pair.c listener.c bufferevent_ratelim.c \
-	evmap.c	log.c evutil.c evutil_rand.c strlcpy.c $(SYS_SRC)
-EXTRA_SRC = event_tagging.c http.c evdns.c evrpc.c
+CORE_SRC =					\
+	buffer.c				\
+	bufferevent.c				\
+	bufferevent_filter.c			\
+	bufferevent_pair.c			\
+	bufferevent_ratelim.c			\
+	bufferevent_sock.c			\
+	event.c					\
+	evmap.c					\
+	evthread.c				\
+	evutil.c				\
+	evutil_rand.c				\
+	evutil_time.c				\
+	listener.c				\
+	log.c					\
+	$(SYS_SRC)
+
+EXTRAS_SRC =					\
+	evdns.c					\
+	event_tagging.c				\
+	evrpc.c					\
+	http.c
 
 if BUILD_WITH_NO_UNDEFINED
 NO_UNDEFINED = -no-undefined
@@ -189,7 +230,7 @@
 
 GENERIC_LDFLAGS = -version-info $(VERSION_INFO) $(RELEASE) $(NO_UNDEFINED)
 
-libevent_la_SOURCES = $(CORE_SRC) $(EXTRA_SRC)
+libevent_la_SOURCES = $(CORE_SRC) $(EXTRAS_SRC)
 libevent_la_LIBADD = @LTLIBOBJS@ $(SYS_LIBS)
 libevent_la_LDFLAGS = $(GENERIC_LDFLAGS)
 
@@ -203,7 +244,7 @@
 libevent_pthreads_la_LDFLAGS = $(GENERIC_LDFLAGS)
 endif
 
-libevent_extra_la_SOURCES = $(EXTRA_SRC)
+libevent_extra_la_SOURCES = $(EXTRAS_SRC)
 libevent_extra_la_LIBADD = $(MAYBE_CORE) $(SYS_LIBS)
 libevent_extra_la_LDFLAGS = $(GENERIC_LDFLAGS)
 
@@ -211,20 +252,46 @@
 libevent_openssl_la_SOURCES = bufferevent_openssl.c
 libevent_openssl_la_LIBADD = $(MAYBE_CORE) $(OPENSSL_LIBS)
 libevent_openssl_la_LDFLAGS = $(GENERIC_LDFLAGS)
+libevent_openssl_la_CPPFLAGS = $(AM_CPPFLAGS) $(OPENSSL_INCS)
 endif
 
-noinst_HEADERS = util-internal.h mm-internal.h ipv6-internal.h \
-	evrpc-internal.h strlcpy-internal.h evbuffer-internal.h \
-	bufferevent-internal.h http-internal.h event-internal.h \
-	evthread-internal.h ht-internal.h defer-internal.h \
-	minheap-internal.h log-internal.h evsignal-internal.h evmap-internal.h \
-	changelist-internal.h iocp-internal.h \
-	ratelim-internal.h \
-	WIN32-Code/event2/event-config.h \
-	WIN32-Code/tree.h \
-	compat/sys/queue.h
+noinst_HEADERS +=				\
+	WIN32-Code/nmake/evconfig-private.h	\
+	WIN32-Code/nmake/event2/event-config.h	\
+	WIN32-Code/tree.h			\
+	bufferevent-internal.h			\
+	changelist-internal.h			\
+	compat/sys/queue.h			\
+	defer-internal.h			\
+	epolltable-internal.h			\
+	evbuffer-internal.h			\
+	evconfig-private.h			\
+	event-internal.h			\
+	evmap-internal.h			\
+	evrpc-internal.h			\
+	evsignal-internal.h			\
+	evthread-internal.h			\
+	ht-internal.h				\
+	http-internal.h				\
+	iocp-internal.h				\
+	ipv6-internal.h				\
+	kqueue-internal.h			\
+	log-internal.h				\
+	minheap-internal.h			\
+	mm-internal.h				\
+	ratelim-internal.h			\
+	ratelim-internal.h			\
+	strlcpy-internal.h			\
+	time-internal.h				\
+	util-internal.h \
+	openssl-compat.h
 
-EVENT1_HDRS = event.h evhttp.h evdns.h evrpc.h evutil.h
+EVENT1_HDRS = \
+	include/evdns.h \
+	include/event.h \
+	include/evhttp.h \
+	include/evrpc.h \
+	include/evutil.h
 
 if INSTALL_LIBEVENT
 include_HEADERS = $(EVENT1_HDRS)
@@ -240,5 +307,5 @@
 	doxygen $(srcdir)/Doxyfile
 FORCE:
 
-DISTCLEANFILES = *~ libevent.pc ./include/event2/event-config.h
+DISTCLEANFILES += *~ libevent.pc libevent_core.pc libevent_extra.pc ./include/event2/event-config.h
 
diff --git a/Makefile.in b/Makefile.in
index f0d727d..86b4d3e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# Makefile.in generated by automake 1.15 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
 
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -20,27 +20,84 @@
 #
 # See LICENSE for copying information.
 
+# include/Makefile.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+# sample/include.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+# test/Makefile.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+
 
 
 
 VPATH = @srcdir@
-am__make_dryrun = \
-  { \
-    am__dry=no; \
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
     case $$MAKEFLAGS in \
       *\\[\ \	]*) \
-        echo 'am--echo: ; @echo "AM"  OK' | $(MAKE) -f - 2>/dev/null \
-          | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
-      *) \
-        for am__flg in $$MAKEFLAGS; do \
-          case $$am__flg in \
-            *=*|--*) ;; \
-            *n*) am__dry=yes; break;; \
-          esac; \
-        done;; \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
     esac; \
-    test $$am__dry = yes; \
-  }
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -63,37 +120,54 @@
 @PTHREADS_TRUE@am__append_2 = libevent_pthreads.pc
 @OPENSSL_TRUE@am__append_3 = libevent_openssl.la
 @OPENSSL_TRUE@am__append_4 = libevent_openssl.pc
-@SELECT_BACKEND_TRUE@am__append_5 = select.c
-@POLL_BACKEND_TRUE@am__append_6 = poll.c
-@DEVPOLL_BACKEND_TRUE@am__append_7 = devpoll.c
-@KQUEUE_BACKEND_TRUE@am__append_8 = kqueue.c
-@EPOLL_BACKEND_TRUE@am__append_9 = epoll.c
-@EVPORT_BACKEND_TRUE@am__append_10 = evport.c
-@SIGNAL_SUPPORT_TRUE@am__append_11 = signal.c
-@INSTALL_LIBEVENT_FALSE@am__append_12 = $(EVENT1_HDRS)
+noinst_PROGRAMS = $(am__EXEEXT_4) $(am__EXEEXT_6)
+EXTRA_PROGRAMS = $(am__EXEEXT_1)
+@INSTALL_LIBEVENT_FALSE@am__append_5 = $(EVENT2_EXPORT)
+@OPENSSL_TRUE@am__append_6 = sample/le-proxy sample/https-client
+@OPENSSL_TRUE@am__append_7 = \
+@OPENSSL_TRUE@	sample/hostcheck.h \
+@OPENSSL_TRUE@	sample/openssl_hostname_validation.h
+
+@BUILD_SAMPLES_TRUE@am__append_8 = $(SAMPLES)
+@BUILD_REGRESS_TRUE@am__append_9 = $(TESTPROGRAMS)
+@BUILD_REGRESS_TRUE@am__append_10 = test/regress
+@BUILD_REGRESS_TRUE@am__append_11 = test/regress.gen.c test/regress.gen.h
+@PTHREADS_TRUE@am__append_12 = libevent_pthreads.la
+@BUILD_WIN32_TRUE@am__append_13 = test/regress_iocp.c
+@OPENSSL_TRUE@am__append_14 = test/regress_ssl.c
+@OPENSSL_TRUE@am__append_15 = $(OPENSSL_INCS)
+@OPENSSL_TRUE@am__append_16 = libevent_openssl.la $(OPENSSL_LIBS) ${OPENSSL_LIBADD}
+@BUILD_WIN32_TRUE@@THREADS_TRUE@am__append_17 = evthread_win32.c
+@STRLCPY_IMPL_TRUE@am__append_18 = strlcpy.c
+@SELECT_BACKEND_TRUE@am__append_19 = select.c
+@POLL_BACKEND_TRUE@am__append_20 = poll.c
+@DEVPOLL_BACKEND_TRUE@am__append_21 = devpoll.c
+@KQUEUE_BACKEND_TRUE@am__append_22 = kqueue.c
+@EPOLL_BACKEND_TRUE@am__append_23 = epoll.c
+@EVPORT_BACKEND_TRUE@am__append_24 = evport.c
+@SIGNAL_SUPPORT_TRUE@am__append_25 = signal.c
+@INSTALL_LIBEVENT_FALSE@am__append_26 = $(EVENT1_HDRS)
 subdir = .
-DIST_COMMON = README $(am__configure_deps) \
-	$(am__dist_bin_SCRIPTS_DIST) $(am__include_HEADERS_DIST) \
-	$(am__noinst_HEADERS_DIST) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in $(srcdir)/config.h.in \
-	$(srcdir)/libevent.pc.in $(srcdir)/libevent_openssl.pc.in \
-	$(srcdir)/libevent_pthreads.pc.in $(top_srcdir)/configure \
-	ChangeLog compile config.guess config.sub depcomp epoll_sub.c \
-	install-sh ltmain.sh missing
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ac_backport_259_ssizet.m4 \
-	$(top_srcdir)/m4/acx_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
-	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
-	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/acx_pthread.m4 \
+	$(top_srcdir)/m4/libevent_openssl.m4 \
+	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+	$(top_srcdir)/m4/lt~obsolete.m4 \
+	$(top_srcdir)/m4/ntp_pkg_config.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
+	$(am__configure_deps) $(am__dist_bin_SCRIPTS_DIST) \
+	$(am__include_HEADERS_DIST) $(am__include_event2_HEADERS_DIST) \
+	$(am__noinst_HEADERS_DIST) $(am__DIST_COMMON)
 am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
  configure.lineno config.status.lineno
 mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = config.h
+CONFIG_HEADER = config.h evconfig-private.h
 CONFIG_CLEAN_FILES = libevent.pc libevent_openssl.pc \
-	libevent_pthreads.pc
+	libevent_pthreads.pc libevent_core.pc libevent_extra.pc
 CONFIG_CLEAN_VPATH_FILES =
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
@@ -123,79 +197,92 @@
          $(am__cd) "$$dir" && rm -f $$files; }; \
   }
 am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(bindir)" \
-	"$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(includedir)"
+	"$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(includedir)" \
+	"$(DESTDIR)$(include_event2dir)" \
+	"$(DESTDIR)$(include_event2dir)"
 LTLIBRARIES = $(lib_LTLIBRARIES) $(noinst_LTLIBRARIES)
 am__DEPENDENCIES_1 =
 libevent_la_DEPENDENCIES = @LTLIBOBJS@ $(am__DEPENDENCIES_1)
-am__libevent_la_SOURCES_DIST = event.c evthread.c buffer.c \
-	bufferevent.c bufferevent_sock.c bufferevent_filter.c \
-	bufferevent_pair.c listener.c bufferevent_ratelim.c evmap.c \
-	log.c evutil.c evutil_rand.c strlcpy.c select.c poll.c \
-	devpoll.c kqueue.c epoll.c evport.c signal.c win32select.c \
-	evthread_win32.c buffer_iocp.c event_iocp.c \
-	bufferevent_async.c event_tagging.c http.c evdns.c evrpc.c
-@SELECT_BACKEND_TRUE@am__objects_1 = select.lo
-@POLL_BACKEND_TRUE@am__objects_2 = poll.lo
-@DEVPOLL_BACKEND_TRUE@am__objects_3 = devpoll.lo
-@KQUEUE_BACKEND_TRUE@am__objects_4 = kqueue.lo
-@EPOLL_BACKEND_TRUE@am__objects_5 = epoll.lo
-@EVPORT_BACKEND_TRUE@am__objects_6 = evport.lo
-@SIGNAL_SUPPORT_TRUE@am__objects_7 = signal.lo
-@BUILD_WIN32_FALSE@am__objects_8 = $(am__objects_1) $(am__objects_2) \
+am__libevent_la_SOURCES_DIST = buffer.c bufferevent.c \
+	bufferevent_filter.c bufferevent_pair.c bufferevent_ratelim.c \
+	bufferevent_sock.c event.c evmap.c evthread.c evutil.c \
+	evutil_rand.c evutil_time.c listener.c log.c strlcpy.c \
+	select.c poll.c devpoll.c kqueue.c epoll.c evport.c signal.c \
+	win32select.c buffer_iocp.c event_iocp.c bufferevent_async.c \
+	evthread_win32.c evdns.c event_tagging.c evrpc.c http.c
+@STRLCPY_IMPL_TRUE@am__objects_1 = strlcpy.lo
+@SELECT_BACKEND_TRUE@am__objects_2 = select.lo
+@POLL_BACKEND_TRUE@am__objects_3 = poll.lo
+@DEVPOLL_BACKEND_TRUE@am__objects_4 = devpoll.lo
+@KQUEUE_BACKEND_TRUE@am__objects_5 = kqueue.lo
+@EPOLL_BACKEND_TRUE@am__objects_6 = epoll.lo
+@EVPORT_BACKEND_TRUE@am__objects_7 = evport.lo
+@SIGNAL_SUPPORT_TRUE@am__objects_8 = signal.lo
+@BUILD_WIN32_TRUE@@THREADS_TRUE@am__objects_9 = evthread_win32.lo
+@BUILD_WIN32_FALSE@am__objects_10 = $(am__objects_1) $(am__objects_2) \
 @BUILD_WIN32_FALSE@	$(am__objects_3) $(am__objects_4) \
 @BUILD_WIN32_FALSE@	$(am__objects_5) $(am__objects_6) \
-@BUILD_WIN32_FALSE@	$(am__objects_7)
-@BUILD_WIN32_TRUE@am__objects_8 = win32select.lo evthread_win32.lo \
-@BUILD_WIN32_TRUE@	buffer_iocp.lo event_iocp.lo \
-@BUILD_WIN32_TRUE@	bufferevent_async.lo $(am__objects_1) \
+@BUILD_WIN32_FALSE@	$(am__objects_7) $(am__objects_8)
+@BUILD_WIN32_TRUE@am__objects_10 = win32select.lo buffer_iocp.lo \
+@BUILD_WIN32_TRUE@	event_iocp.lo bufferevent_async.lo \
+@BUILD_WIN32_TRUE@	$(am__objects_9) $(am__objects_1) \
 @BUILD_WIN32_TRUE@	$(am__objects_2) $(am__objects_3) \
 @BUILD_WIN32_TRUE@	$(am__objects_4) $(am__objects_5) \
-@BUILD_WIN32_TRUE@	$(am__objects_6) $(am__objects_7)
-am__objects_9 = event.lo evthread.lo buffer.lo bufferevent.lo \
-	bufferevent_sock.lo bufferevent_filter.lo bufferevent_pair.lo \
-	listener.lo bufferevent_ratelim.lo evmap.lo log.lo evutil.lo \
-	evutil_rand.lo strlcpy.lo $(am__objects_8)
-am__objects_10 = event_tagging.lo http.lo evdns.lo evrpc.lo
-am_libevent_la_OBJECTS = $(am__objects_9) $(am__objects_10)
+@BUILD_WIN32_TRUE@	$(am__objects_6) $(am__objects_7) \
+@BUILD_WIN32_TRUE@	$(am__objects_8)
+am__objects_11 = buffer.lo bufferevent.lo bufferevent_filter.lo \
+	bufferevent_pair.lo bufferevent_ratelim.lo bufferevent_sock.lo \
+	event.lo evmap.lo evthread.lo evutil.lo evutil_rand.lo \
+	evutil_time.lo listener.lo log.lo $(am__objects_10)
+am__objects_12 = evdns.lo event_tagging.lo evrpc.lo http.lo
+am_libevent_la_OBJECTS = $(am__objects_11) $(am__objects_12)
 libevent_la_OBJECTS = $(am_libevent_la_OBJECTS)
-libevent_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+libevent_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libevent_la_LDFLAGS) $(LDFLAGS) -o $@
 @INSTALL_LIBEVENT_FALSE@am_libevent_la_rpath =
 @INSTALL_LIBEVENT_TRUE@am_libevent_la_rpath = -rpath $(libdir)
 libevent_core_la_DEPENDENCIES = @LTLIBOBJS@ $(am__DEPENDENCIES_1)
-am__libevent_core_la_SOURCES_DIST = event.c evthread.c buffer.c \
-	bufferevent.c bufferevent_sock.c bufferevent_filter.c \
-	bufferevent_pair.c listener.c bufferevent_ratelim.c evmap.c \
-	log.c evutil.c evutil_rand.c strlcpy.c select.c poll.c \
-	devpoll.c kqueue.c epoll.c evport.c signal.c win32select.c \
-	evthread_win32.c buffer_iocp.c event_iocp.c \
-	bufferevent_async.c
-am_libevent_core_la_OBJECTS = $(am__objects_9)
+am__libevent_core_la_SOURCES_DIST = buffer.c bufferevent.c \
+	bufferevent_filter.c bufferevent_pair.c bufferevent_ratelim.c \
+	bufferevent_sock.c event.c evmap.c evthread.c evutil.c \
+	evutil_rand.c evutil_time.c listener.c log.c strlcpy.c \
+	select.c poll.c devpoll.c kqueue.c epoll.c evport.c signal.c \
+	win32select.c buffer_iocp.c event_iocp.c bufferevent_async.c \
+	evthread_win32.c
+am_libevent_core_la_OBJECTS = $(am__objects_11)
 libevent_core_la_OBJECTS = $(am_libevent_core_la_OBJECTS)
-libevent_core_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
-	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(libevent_core_la_LDFLAGS) $(LDFLAGS) -o $@
+libevent_core_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(libevent_core_la_LDFLAGS) $(LDFLAGS) \
+	-o $@
 @INSTALL_LIBEVENT_FALSE@am_libevent_core_la_rpath =
 @INSTALL_LIBEVENT_TRUE@am_libevent_core_la_rpath = -rpath $(libdir)
 @BUILD_WITH_NO_UNDEFINED_TRUE@am__DEPENDENCIES_2 = libevent_core.la
 libevent_extra_la_DEPENDENCIES = $(am__DEPENDENCIES_2) \
 	$(am__DEPENDENCIES_1)
-am_libevent_extra_la_OBJECTS = $(am__objects_10)
+am_libevent_extra_la_OBJECTS = $(am__objects_12)
 libevent_extra_la_OBJECTS = $(am_libevent_extra_la_OBJECTS)
-libevent_extra_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
-	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(libevent_extra_la_LDFLAGS) $(LDFLAGS) -o $@
+libevent_extra_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(libevent_extra_la_LDFLAGS) $(LDFLAGS) \
+	-o $@
 @INSTALL_LIBEVENT_FALSE@am_libevent_extra_la_rpath =
 @INSTALL_LIBEVENT_TRUE@am_libevent_extra_la_rpath = -rpath $(libdir)
 @OPENSSL_TRUE@libevent_openssl_la_DEPENDENCIES =  \
 @OPENSSL_TRUE@	$(am__DEPENDENCIES_2) $(am__DEPENDENCIES_1)
 am__libevent_openssl_la_SOURCES_DIST = bufferevent_openssl.c
-@OPENSSL_TRUE@am_libevent_openssl_la_OBJECTS = bufferevent_openssl.lo
+@OPENSSL_TRUE@am_libevent_openssl_la_OBJECTS =  \
+@OPENSSL_TRUE@	libevent_openssl_la-bufferevent_openssl.lo
 libevent_openssl_la_OBJECTS = $(am_libevent_openssl_la_OBJECTS)
-libevent_openssl_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
-	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(libevent_openssl_la_LDFLAGS) $(LDFLAGS) -o $@
+libevent_openssl_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(libevent_openssl_la_LDFLAGS) \
+	$(LDFLAGS) -o $@
 @INSTALL_LIBEVENT_FALSE@@OPENSSL_TRUE@am_libevent_openssl_la_rpath =
 @INSTALL_LIBEVENT_TRUE@@OPENSSL_TRUE@am_libevent_openssl_la_rpath =  \
 @INSTALL_LIBEVENT_TRUE@@OPENSSL_TRUE@	-rpath $(libdir)
@@ -204,68 +291,487 @@
 am__libevent_pthreads_la_SOURCES_DIST = evthread_pthread.c
 @PTHREADS_TRUE@am_libevent_pthreads_la_OBJECTS = evthread_pthread.lo
 libevent_pthreads_la_OBJECTS = $(am_libevent_pthreads_la_OBJECTS)
-libevent_pthreads_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
-	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
-	$(libevent_pthreads_la_LDFLAGS) $(LDFLAGS) -o $@
+libevent_pthreads_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(libevent_pthreads_la_LDFLAGS) \
+	$(LDFLAGS) -o $@
 @INSTALL_LIBEVENT_FALSE@@PTHREADS_TRUE@am_libevent_pthreads_la_rpath =
 @INSTALL_LIBEVENT_TRUE@@PTHREADS_TRUE@am_libevent_pthreads_la_rpath =  \
 @INSTALL_LIBEVENT_TRUE@@PTHREADS_TRUE@	-rpath $(libdir)
+@BUILD_REGRESS_TRUE@am__EXEEXT_1 = test/regress$(EXEEXT)
+@OPENSSL_TRUE@am__EXEEXT_2 = sample/le-proxy$(EXEEXT) \
+@OPENSSL_TRUE@	sample/https-client$(EXEEXT)
+am__EXEEXT_3 = sample/dns-example$(EXEEXT) \
+	sample/event-read-fifo$(EXEEXT) sample/hello-world$(EXEEXT) \
+	sample/http-server$(EXEEXT) sample/http-connect$(EXEEXT) \
+	sample/signal-test$(EXEEXT) sample/time-test$(EXEEXT) \
+	$(am__EXEEXT_2)
+@BUILD_SAMPLES_TRUE@am__EXEEXT_4 = $(am__EXEEXT_3)
+am__EXEEXT_5 = test/bench$(EXEEXT) test/bench_cascade$(EXEEXT) \
+	test/bench_http$(EXEEXT) test/bench_httpclient$(EXEEXT) \
+	test/test-changelist$(EXEEXT) test/test-dumpevents$(EXEEXT) \
+	test/test-eof$(EXEEXT) test/test-closed$(EXEEXT) \
+	test/test-fdleak$(EXEEXT) test/test-init$(EXEEXT) \
+	test/test-ratelim$(EXEEXT) test/test-time$(EXEEXT) \
+	test/test-weof$(EXEEXT) test/regress$(EXEEXT)
+@BUILD_REGRESS_TRUE@am__EXEEXT_6 = $(am__EXEEXT_5)
+PROGRAMS = $(noinst_PROGRAMS)
+am__dirstamp = $(am__leading_dot)dirstamp
+am_sample_dns_example_OBJECTS = sample/dns-example.$(OBJEXT)
+sample_dns_example_OBJECTS = $(am_sample_dns_example_OBJECTS)
+sample_dns_example_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_sample_event_read_fifo_OBJECTS = sample/event-read-fifo.$(OBJEXT)
+sample_event_read_fifo_OBJECTS = $(am_sample_event_read_fifo_OBJECTS)
+sample_event_read_fifo_DEPENDENCIES = $(am__DEPENDENCIES_1) \
+	libevent.la
+am_sample_hello_world_OBJECTS = sample/hello-world.$(OBJEXT)
+sample_hello_world_OBJECTS = $(am_sample_hello_world_OBJECTS)
+sample_hello_world_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_sample_http_connect_OBJECTS = sample/http-connect.$(OBJEXT)
+sample_http_connect_OBJECTS = $(am_sample_http_connect_OBJECTS)
+sample_http_connect_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_sample_http_server_OBJECTS = sample/http-server.$(OBJEXT)
+sample_http_server_OBJECTS = $(am_sample_http_server_OBJECTS)
+sample_http_server_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am__sample_https_client_SOURCES_DIST = sample/https-client.c \
+	sample/hostcheck.c sample/openssl_hostname_validation.c
+@OPENSSL_TRUE@am_sample_https_client_OBJECTS =  \
+@OPENSSL_TRUE@	sample/https-client.$(OBJEXT) \
+@OPENSSL_TRUE@	sample/hostcheck.$(OBJEXT) \
+@OPENSSL_TRUE@	sample/openssl_hostname_validation.$(OBJEXT)
+sample_https_client_OBJECTS = $(am_sample_https_client_OBJECTS)
+@OPENSSL_TRUE@sample_https_client_DEPENDENCIES = libevent.la \
+@OPENSSL_TRUE@	libevent_openssl.la $(am__DEPENDENCIES_1) \
+@OPENSSL_TRUE@	$(am__DEPENDENCIES_1)
+am__sample_le_proxy_SOURCES_DIST = sample/le-proxy.c
+@OPENSSL_TRUE@am_sample_le_proxy_OBJECTS = sample/le-proxy.$(OBJEXT)
+sample_le_proxy_OBJECTS = $(am_sample_le_proxy_OBJECTS)
+@OPENSSL_TRUE@sample_le_proxy_DEPENDENCIES = libevent.la \
+@OPENSSL_TRUE@	libevent_openssl.la $(am__DEPENDENCIES_1) \
+@OPENSSL_TRUE@	$(am__DEPENDENCIES_1)
+am_sample_signal_test_OBJECTS = sample/signal-test.$(OBJEXT)
+sample_signal_test_OBJECTS = $(am_sample_signal_test_OBJECTS)
+sample_signal_test_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_sample_time_test_OBJECTS = sample/time-test.$(OBJEXT)
+sample_time_test_OBJECTS = $(am_sample_time_test_OBJECTS)
+sample_time_test_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_test_bench_OBJECTS = test/bench.$(OBJEXT)
+test_bench_OBJECTS = $(am_test_bench_OBJECTS)
+test_bench_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_test_bench_cascade_OBJECTS = test/bench_cascade.$(OBJEXT)
+test_bench_cascade_OBJECTS = $(am_test_bench_cascade_OBJECTS)
+test_bench_cascade_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_test_bench_http_OBJECTS = test/bench_http.$(OBJEXT)
+test_bench_http_OBJECTS = $(am_test_bench_http_OBJECTS)
+test_bench_http_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la
+am_test_bench_httpclient_OBJECTS = test/bench_httpclient.$(OBJEXT)
+test_bench_httpclient_OBJECTS = $(am_test_bench_httpclient_OBJECTS)
+test_bench_httpclient_DEPENDENCIES = $(am__DEPENDENCIES_1) \
+	libevent_core.la
+am__test_regress_SOURCES_DIST = test/regress.c test/regress.gen.c \
+	test/regress.gen.h test/regress_buffer.c \
+	test/regress_bufferevent.c test/regress_dns.c \
+	test/regress_et.c test/regress_finalize.c test/regress_http.c \
+	test/regress_listener.c test/regress_main.c \
+	test/regress_minheap.c test/regress_rpc.c \
+	test/regress_testutils.c test/regress_testutils.h \
+	test/regress_util.c test/tinytest.c test/regress_thread.c \
+	test/regress_zlib.c test/regress_iocp.c test/regress_ssl.c
+@BUILD_WIN32_FALSE@@PTHREADS_TRUE@am__objects_13 = test/test_regress-regress_thread.$(OBJEXT)
+@BUILD_WIN32_TRUE@@THREADS_TRUE@am__objects_13 = test/test_regress-regress_thread.$(OBJEXT)
+@PTHREADS_TRUE@@THREADS_FALSE@am__objects_13 = test/test_regress-regress_thread.$(OBJEXT)
+@ZLIB_REGRESS_TRUE@am__objects_14 =  \
+@ZLIB_REGRESS_TRUE@	test/test_regress-regress_zlib.$(OBJEXT)
+@BUILD_WIN32_TRUE@am__objects_15 =  \
+@BUILD_WIN32_TRUE@	test/test_regress-regress_iocp.$(OBJEXT)
+@OPENSSL_TRUE@am__objects_16 =  \
+@OPENSSL_TRUE@	test/test_regress-regress_ssl.$(OBJEXT)
+am_test_regress_OBJECTS = test/test_regress-regress.$(OBJEXT) \
+	test/test_regress-regress.gen.$(OBJEXT) \
+	test/test_regress-regress_buffer.$(OBJEXT) \
+	test/test_regress-regress_bufferevent.$(OBJEXT) \
+	test/test_regress-regress_dns.$(OBJEXT) \
+	test/test_regress-regress_et.$(OBJEXT) \
+	test/test_regress-regress_finalize.$(OBJEXT) \
+	test/test_regress-regress_http.$(OBJEXT) \
+	test/test_regress-regress_listener.$(OBJEXT) \
+	test/test_regress-regress_main.$(OBJEXT) \
+	test/test_regress-regress_minheap.$(OBJEXT) \
+	test/test_regress-regress_rpc.$(OBJEXT) \
+	test/test_regress-regress_testutils.$(OBJEXT) \
+	test/test_regress-regress_util.$(OBJEXT) \
+	test/test_regress-tinytest.$(OBJEXT) $(am__objects_13) \
+	$(am__objects_14) $(am__objects_15) $(am__objects_16)
+test_regress_OBJECTS = $(am_test_regress_OBJECTS)
+am__DEPENDENCIES_3 = $(am__append_12)
+@OPENSSL_TRUE@am__DEPENDENCIES_4 = libevent_openssl.la \
+@OPENSSL_TRUE@	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+test_regress_DEPENDENCIES = $(am__DEPENDENCIES_1) libevent.la \
+	$(am__DEPENDENCIES_3) $(am__DEPENDENCIES_1) \
+	$(am__DEPENDENCIES_4)
+test_regress_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(test_regress_LDFLAGS) $(LDFLAGS) -o $@
+am_test_test_changelist_OBJECTS = test/test-changelist.$(OBJEXT)
+test_test_changelist_OBJECTS = $(am_test_test_changelist_OBJECTS)
+test_test_changelist_DEPENDENCIES = libevent_core.la
+am_test_test_closed_OBJECTS = test/test-closed.$(OBJEXT)
+test_test_closed_OBJECTS = $(am_test_test_closed_OBJECTS)
+test_test_closed_DEPENDENCIES = libevent_core.la
+am_test_test_dumpevents_OBJECTS = test/test-dumpevents.$(OBJEXT)
+test_test_dumpevents_OBJECTS = $(am_test_test_dumpevents_OBJECTS)
+test_test_dumpevents_DEPENDENCIES = libevent_core.la
+am_test_test_eof_OBJECTS = test/test-eof.$(OBJEXT)
+test_test_eof_OBJECTS = $(am_test_test_eof_OBJECTS)
+test_test_eof_DEPENDENCIES = libevent_core.la
+am_test_test_fdleak_OBJECTS = test/test-fdleak.$(OBJEXT)
+test_test_fdleak_OBJECTS = $(am_test_test_fdleak_OBJECTS)
+test_test_fdleak_DEPENDENCIES = libevent_core.la
+am_test_test_init_OBJECTS = test/test-init.$(OBJEXT)
+test_test_init_OBJECTS = $(am_test_test_init_OBJECTS)
+test_test_init_DEPENDENCIES = libevent_core.la
+am_test_test_ratelim_OBJECTS = test/test-ratelim.$(OBJEXT)
+test_test_ratelim_OBJECTS = $(am_test_test_ratelim_OBJECTS)
+test_test_ratelim_DEPENDENCIES = libevent_core.la
+am_test_test_time_OBJECTS = test/test-time.$(OBJEXT)
+test_test_time_OBJECTS = $(am_test_test_time_OBJECTS)
+test_test_time_DEPENDENCIES = libevent_core.la
+am_test_test_weof_OBJECTS = test/test-weof.$(OBJEXT)
+test_test_weof_OBJECTS = $(am_test_test_weof_OBJECTS)
+test_test_weof_DEPENDENCIES = libevent_core.la
 am__dist_bin_SCRIPTS_DIST = event_rpcgen.py
 SCRIPTS = $(dist_bin_SCRIPTS)
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
-	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
 CCLD = $(CC)
-LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
-	$(LDFLAGS) -o $@
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
 SOURCES = $(libevent_la_SOURCES) $(libevent_core_la_SOURCES) \
 	$(libevent_extra_la_SOURCES) $(libevent_openssl_la_SOURCES) \
-	$(libevent_pthreads_la_SOURCES)
+	$(libevent_pthreads_la_SOURCES) $(sample_dns_example_SOURCES) \
+	$(sample_event_read_fifo_SOURCES) \
+	$(sample_hello_world_SOURCES) $(sample_http_connect_SOURCES) \
+	$(sample_http_server_SOURCES) $(sample_https_client_SOURCES) \
+	$(sample_le_proxy_SOURCES) $(sample_signal_test_SOURCES) \
+	$(sample_time_test_SOURCES) $(test_bench_SOURCES) \
+	$(test_bench_cascade_SOURCES) $(test_bench_http_SOURCES) \
+	$(test_bench_httpclient_SOURCES) $(test_regress_SOURCES) \
+	$(test_test_changelist_SOURCES) $(test_test_closed_SOURCES) \
+	$(test_test_dumpevents_SOURCES) $(test_test_eof_SOURCES) \
+	$(test_test_fdleak_SOURCES) $(test_test_init_SOURCES) \
+	$(test_test_ratelim_SOURCES) $(test_test_time_SOURCES) \
+	$(test_test_weof_SOURCES)
 DIST_SOURCES = $(am__libevent_la_SOURCES_DIST) \
 	$(am__libevent_core_la_SOURCES_DIST) \
 	$(libevent_extra_la_SOURCES) \
 	$(am__libevent_openssl_la_SOURCES_DIST) \
-	$(am__libevent_pthreads_la_SOURCES_DIST)
-RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
-	html-recursive info-recursive install-data-recursive \
-	install-dvi-recursive install-exec-recursive \
-	install-html-recursive install-info-recursive \
-	install-pdf-recursive install-ps-recursive install-recursive \
-	installcheck-recursive installdirs-recursive pdf-recursive \
-	ps-recursive uninstall-recursive
+	$(am__libevent_pthreads_la_SOURCES_DIST) \
+	$(sample_dns_example_SOURCES) \
+	$(sample_event_read_fifo_SOURCES) \
+	$(sample_hello_world_SOURCES) $(sample_http_connect_SOURCES) \
+	$(sample_http_server_SOURCES) \
+	$(am__sample_https_client_SOURCES_DIST) \
+	$(am__sample_le_proxy_SOURCES_DIST) \
+	$(sample_signal_test_SOURCES) $(sample_time_test_SOURCES) \
+	$(test_bench_SOURCES) $(test_bench_cascade_SOURCES) \
+	$(test_bench_http_SOURCES) $(test_bench_httpclient_SOURCES) \
+	$(am__test_regress_SOURCES_DIST) \
+	$(test_test_changelist_SOURCES) $(test_test_closed_SOURCES) \
+	$(test_test_dumpevents_SOURCES) $(test_test_eof_SOURCES) \
+	$(test_test_fdleak_SOURCES) $(test_test_init_SOURCES) \
+	$(test_test_ratelim_SOURCES) $(test_test_time_SOURCES) \
+	$(test_test_weof_SOURCES)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
     *) (install-info --version) >/dev/null 2>&1;; \
   esac
 DATA = $(pkgconfig_DATA)
-am__include_HEADERS_DIST = event.h evhttp.h evdns.h evrpc.h evutil.h
-am__noinst_HEADERS_DIST = util-internal.h mm-internal.h \
-	ipv6-internal.h evrpc-internal.h strlcpy-internal.h \
-	evbuffer-internal.h bufferevent-internal.h http-internal.h \
-	event-internal.h evthread-internal.h ht-internal.h \
-	defer-internal.h minheap-internal.h log-internal.h \
-	evsignal-internal.h evmap-internal.h changelist-internal.h \
-	iocp-internal.h ratelim-internal.h \
-	WIN32-Code/event2/event-config.h WIN32-Code/tree.h \
-	compat/sys/queue.h event.h evhttp.h evdns.h evrpc.h evutil.h
-HEADERS = $(include_HEADERS) $(noinst_HEADERS)
-RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
-  distclean-recursive maintainer-clean-recursive
-AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
-	$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
-	cscope distdir dist dist-all distcheck
+am__include_HEADERS_DIST = include/evdns.h include/event.h \
+	include/evhttp.h include/evrpc.h include/evutil.h
+am__include_event2_HEADERS_DIST = include/event2/buffer.h \
+	include/event2/buffer_compat.h include/event2/bufferevent.h \
+	include/event2/bufferevent_compat.h \
+	include/event2/bufferevent_ssl.h \
+	include/event2/bufferevent_struct.h include/event2/dns.h \
+	include/event2/dns_compat.h include/event2/dns_struct.h \
+	include/event2/event.h include/event2/event_compat.h \
+	include/event2/event_struct.h include/event2/http.h \
+	include/event2/http_compat.h include/event2/http_struct.h \
+	include/event2/keyvalq_struct.h include/event2/listener.h \
+	include/event2/rpc.h include/event2/rpc_compat.h \
+	include/event2/rpc_struct.h include/event2/tag.h \
+	include/event2/tag_compat.h include/event2/thread.h \
+	include/event2/util.h include/event2/visibility.h
+am__noinst_HEADERS_DIST = include/event2/buffer.h \
+	include/event2/buffer_compat.h include/event2/bufferevent.h \
+	include/event2/bufferevent_compat.h \
+	include/event2/bufferevent_ssl.h \
+	include/event2/bufferevent_struct.h include/event2/dns.h \
+	include/event2/dns_compat.h include/event2/dns_struct.h \
+	include/event2/event.h include/event2/event_compat.h \
+	include/event2/event_struct.h include/event2/http.h \
+	include/event2/http_compat.h include/event2/http_struct.h \
+	include/event2/keyvalq_struct.h include/event2/listener.h \
+	include/event2/rpc.h include/event2/rpc_compat.h \
+	include/event2/rpc_struct.h include/event2/tag.h \
+	include/event2/tag_compat.h include/event2/thread.h \
+	include/event2/util.h include/event2/visibility.h \
+	sample/hostcheck.h sample/openssl_hostname_validation.h \
+	test/regress.h test/regress_thread.h test/tinytest.h \
+	test/tinytest_local.h test/tinytest_macros.h \
+	WIN32-Code/nmake/evconfig-private.h \
+	WIN32-Code/nmake/event2/event-config.h WIN32-Code/tree.h \
+	bufferevent-internal.h changelist-internal.h \
+	compat/sys/queue.h defer-internal.h epolltable-internal.h \
+	evbuffer-internal.h evconfig-private.h event-internal.h \
+	evmap-internal.h evrpc-internal.h evsignal-internal.h \
+	evthread-internal.h ht-internal.h http-internal.h \
+	iocp-internal.h ipv6-internal.h kqueue-internal.h \
+	log-internal.h minheap-internal.h mm-internal.h \
+	ratelim-internal.h strlcpy-internal.h time-internal.h \
+	util-internal.h openssl-compat.h include/evdns.h \
+	include/event.h include/evhttp.h include/evrpc.h \
+	include/evutil.h
+HEADERS = $(include_HEADERS) $(include_event2_HEADERS) \
+	$(nodist_include_event2_HEADERS) $(nodist_noinst_HEADERS) \
+	$(noinst_HEADERS)
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) \
+	$(LISP)config.h.in evconfig-private.h.in
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates.  Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
+  END { if (nonempty) { for (i in items) print i; }; } \
+'
+# Make sure the list of sources is unique.  This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
+  unique=`for i in $$list; do \
+    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+  done | $(am__uniquify_input)`
 ETAGS = etags
 CTAGS = ctags
 CSCOPE = cscope
-DIST_SUBDIRS = $(SUBDIRS)
+AM_RECURSIVE_TARGETS = cscope check recheck
+am__tty_colors_dummy = \
+  mgn= red= grn= lgn= blu= brg= std=; \
+  am__color_tests=no
+am__tty_colors = { \
+  $(am__tty_colors_dummy); \
+  if test "X$(AM_COLOR_TESTS)" = Xno; then \
+    am__color_tests=no; \
+  elif test "X$(AM_COLOR_TESTS)" = Xalways; then \
+    am__color_tests=yes; \
+  elif test "X$$TERM" != Xdumb && { test -t 1; } 2>/dev/null; then \
+    am__color_tests=yes; \
+  fi; \
+  if test $$am__color_tests = yes; then \
+    red='[0;31m'; \
+    grn='[0;32m'; \
+    lgn='[1;32m'; \
+    blu='[1;34m'; \
+    mgn='[0;35m'; \
+    brg='[1m'; \
+    std='[m'; \
+  fi; \
+}
+am__recheck_rx = ^[ 	]*:recheck:[ 	]*
+am__global_test_result_rx = ^[ 	]*:global-test-result:[ 	]*
+am__copy_in_global_log_rx = ^[ 	]*:copy-in-global-log:[ 	]*
+# A command that, given a newline-separated list of test names on the
+# standard input, print the name of the tests that are to be re-run
+# upon "make recheck".
+am__list_recheck_tests = $(AWK) '{ \
+  recheck = 1; \
+  while ((rc = (getline line < ($$0 ".trs"))) != 0) \
+    { \
+      if (rc < 0) \
+        { \
+          if ((getline line2 < ($$0 ".log")) < 0) \
+	    recheck = 0; \
+          break; \
+        } \
+      else if (line ~ /$(am__recheck_rx)[nN][Oo]/) \
+        { \
+          recheck = 0; \
+          break; \
+        } \
+      else if (line ~ /$(am__recheck_rx)[yY][eE][sS]/) \
+        { \
+          break; \
+        } \
+    }; \
+  if (recheck) \
+    print $$0; \
+  close ($$0 ".trs"); \
+  close ($$0 ".log"); \
+}'
+# A command that, given a newline-separated list of test names on the
+# standard input, create the global log from their .trs and .log files.
+am__create_global_log = $(AWK) ' \
+function fatal(msg) \
+{ \
+  print "fatal: making $@: " msg | "cat >&2"; \
+  exit 1; \
+} \
+function rst_section(header) \
+{ \
+  print header; \
+  len = length(header); \
+  for (i = 1; i <= len; i = i + 1) \
+    printf "="; \
+  printf "\n\n"; \
+} \
+{ \
+  copy_in_global_log = 1; \
+  global_test_result = "RUN"; \
+  while ((rc = (getline line < ($$0 ".trs"))) != 0) \
+    { \
+      if (rc < 0) \
+         fatal("failed to read from " $$0 ".trs"); \
+      if (line ~ /$(am__global_test_result_rx)/) \
+        { \
+          sub("$(am__global_test_result_rx)", "", line); \
+          sub("[ 	]*$$", "", line); \
+          global_test_result = line; \
+        } \
+      else if (line ~ /$(am__copy_in_global_log_rx)[nN][oO]/) \
+        copy_in_global_log = 0; \
+    }; \
+  if (copy_in_global_log) \
+    { \
+      rst_section(global_test_result ": " $$0); \
+      while ((rc = (getline line < ($$0 ".log"))) != 0) \
+      { \
+        if (rc < 0) \
+          fatal("failed to read from " $$0 ".log"); \
+        print line; \
+      }; \
+      printf "\n"; \
+    }; \
+  close ($$0 ".trs"); \
+  close ($$0 ".log"); \
+}'
+# Restructured Text title.
+am__rst_title = { sed 's/.*/   &   /;h;s/./=/g;p;x;s/ *$$//;p;g' && echo; }
+# Solaris 10 'make', and several other traditional 'make' implementations,
+# pass "-e" to $(SHELL), and POSIX 2008 even requires this.  Work around it
+# by disabling -e (using the XSI extension "set +e") if it's set.
+am__sh_e_setup = case $$- in *e*) set +e;; esac
+# Default flags passed to test drivers.
+am__common_driver_flags = \
+  --color-tests "$$am__color_tests" \
+  --enable-hard-errors "$$am__enable_hard_errors" \
+  --expect-failure "$$am__expect_failure"
+# To be inserted before the command running the test.  Creates the
+# directory for the log if needed.  Stores in $dir the directory
+# containing $f, in $tst the test, in $log the log.  Executes the
+# developer- defined test setup AM_TESTS_ENVIRONMENT (if any), and
+# passes TESTS_ENVIRONMENT.  Set up options for the wrapper that
+# will run the test scripts (or their associated LOG_COMPILER, if
+# thy have one).
+am__check_pre = \
+$(am__sh_e_setup);					\
+$(am__vpath_adj_setup) $(am__vpath_adj)			\
+$(am__tty_colors);					\
+srcdir=$(srcdir); export srcdir;			\
+case "$@" in						\
+  */*) am__odir=`echo "./$@" | sed 's|/[^/]*$$||'`;;	\
+    *) am__odir=.;; 					\
+esac;							\
+test "x$$am__odir" = x"." || test -d "$$am__odir" 	\
+  || $(MKDIR_P) "$$am__odir" || exit $$?;		\
+if test -f "./$$f"; then dir=./;			\
+elif test -f "$$f"; then dir=;				\
+else dir="$(srcdir)/"; fi;				\
+tst=$$dir$$f; log='$@'; 				\
+if test -n '$(DISABLE_HARD_ERRORS)'; then		\
+  am__enable_hard_errors=no; 				\
+else							\
+  am__enable_hard_errors=yes; 				\
+fi; 							\
+case " $(XFAIL_TESTS) " in				\
+  *[\ \	]$$f[\ \	]* | *[\ \	]$$dir$$f[\ \	]*) \
+    am__expect_failure=yes;;				\
+  *)							\
+    am__expect_failure=no;;				\
+esac; 							\
+$(AM_TESTS_ENVIRONMENT) $(TESTS_ENVIRONMENT)
+# A shell command to get the names of the tests scripts with any registered
+# extension removed (i.e., equivalently, the names of the test logs, with
+# the '.log' extension removed).  The result is saved in the shell variable
+# '$bases'.  This honors runtime overriding of TESTS and TEST_LOGS.  Sadly,
+# we cannot use something simpler, involving e.g., "$(TEST_LOGS:.log=)",
+# since that might cause problem with VPATH rewrites for suffix-less tests.
+# See also 'test-harness-vpath-rewrite.sh' and 'test-trs-basic.sh'.
+am__set_TESTS_bases = \
+  bases='$(TEST_LOGS)'; \
+  bases=`for i in $$bases; do echo $$i; done | sed 's/\.log$$//'`; \
+  bases=`echo $$bases`
+RECHECK_LOGS = $(TEST_LOGS)
+TEST_SUITE_LOG = test-suite.log
+TEST_EXTENSIONS = @EXEEXT@ .test
+LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver
+LOG_COMPILE = $(LOG_COMPILER) $(AM_LOG_FLAGS) $(LOG_FLAGS)
+am__set_b = \
+  case '$@' in \
+    */*) \
+      case '$*' in \
+        */*) b='$*';; \
+          *) b=`echo '$@' | sed 's/\.log$$//'`; \
+       esac;; \
+    *) \
+      b='$*';; \
+  esac
+am__test_logs1 = $(TESTS:=.log)
+am__test_logs2 = $(am__test_logs1:@EXEEXT@.log=.log)
+TEST_LOGS = $(am__test_logs2:.test.log=.log)
+TEST_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver
+TEST_LOG_COMPILE = $(TEST_LOG_COMPILER) $(AM_TEST_LOG_FLAGS) \
+	$(TEST_LOG_FLAGS)
+am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/config.h.in \
+	$(srcdir)/evconfig-private.h.in $(srcdir)/include/include.am \
+	$(srcdir)/libevent.pc.in $(srcdir)/libevent_core.pc.in \
+	$(srcdir)/libevent_extra.pc.in \
+	$(srcdir)/libevent_openssl.pc.in \
+	$(srcdir)/libevent_pthreads.pc.in $(srcdir)/sample/include.am \
+	$(srcdir)/test/include.am ChangeLog compile config.guess \
+	config.sub depcomp epoll_sub.c install-sh ltmain.sh missing \
+	test-driver
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -276,31 +782,6 @@
       || { sleep 5 && rm -rf "$(distdir)"; }; \
   else :; fi
 am__post_remove_distdir = $(am__remove_distdir)
-am__relativize = \
-  dir0=`pwd`; \
-  sed_first='s,^\([^/]*\)/.*$$,\1,'; \
-  sed_rest='s,^[^/]*/*,,'; \
-  sed_last='s,^.*/\([^/]*\)$$,\1,'; \
-  sed_butlast='s,/*[^/]*$$,,'; \
-  while test -n "$$dir1"; do \
-    first=`echo "$$dir1" | sed -e "$$sed_first"`; \
-    if test "$$first" != "."; then \
-      if test "$$first" = ".."; then \
-        dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \
-        dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
-      else \
-        first2=`echo "$$dir2" | sed -e "$$sed_first"`; \
-        if test "$$first2" = "$$first"; then \
-          dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \
-        else \
-          dir2="../$$dir2"; \
-        fi; \
-        dir0="$$dir0"/"$$first"; \
-      fi; \
-    fi; \
-    dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \
-  done; \
-  reldir="$$dir2"
 DIST_ARCHIVES = $(distdir).tar.gz
 GZIP_ENV = --best
 DIST_TARGETS = dist-gzip
@@ -310,6 +791,7 @@
 distcleancheck_listfiles = find . -type f -print
 ACLOCAL = @ACLOCAL@
 AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
@@ -350,6 +832,7 @@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
@@ -357,6 +840,7 @@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
 OBJEXT = @OBJEXT@
+OPENSSL_INCS = @OPENSSL_INCS@
 OPENSSL_LIBADD = @OPENSSL_LIBADD@
 OPENSSL_LIBS = @OPENSSL_LIBS@
 OTOOL = @OTOOL@
@@ -369,9 +853,10 @@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
 PTHREAD_CC = @PTHREAD_CC@
 PTHREAD_CFLAGS = @PTHREAD_CFLAGS@
-PTHREAD_LIBS = @PTHREAD_LIBS@
+PTHREAD_LIBS = @PTHREAD_LIBS@ $(am__append_12)
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -434,8 +919,8 @@
 top_srcdir = @top_srcdir@
 
 # 'foreign' means that we're not enforcing GNU package rules strictly.
-# '1.7' means that we need automake 1.7 or later (and we do).
-AUTOMAKE_OPTIONS = foreign 1.7
+# '1.9' means that we need automake 1.9 or later (and we do).
+AUTOMAKE_OPTIONS = foreign 1.9 subdir-objects
 ACLOCAL_AMFLAGS = -I m4
 
 # This is the "Release" of the Libevent ABI.  It takes precedence over
@@ -446,7 +931,7 @@
 # will increment for each series until we revise our interfaces enough
 # that we can seriously expect ABI compatibility between series.
 #
-RELEASE = -release 2.0
+RELEASE = -release 2.1
 
 # This is the version info for the libevent binary API.  It has three
 # numbers:
@@ -466,7 +951,7 @@
 #
 # Once an RC is out, DO NOT MAKE ANY ABI-BREAKING CHANGES IN THAT SERIES
 # UNLESS YOU REALLY REALLY HAVE TO.
-VERSION_INFO = 6:9:1
+VERSION_INFO = 6:2:0
 
 # History:          RELEASE    VERSION_INFO
 #  2.0.1-alpha --     2.0        1:0:0
@@ -493,6 +978,13 @@
 #
 # For Libevent 2.1:
 #  2.1.1-alpha --     2.1        1:0:0
+#  2.1.2-alpha --     2.1        1:0:0 (should have been 2:0:1)
+#  2.1.3-alpha --     2.1        3:0:0 (ABI changed slightly)
+#  2.1.4-alpha --     2.1        4:0:0 (ABI changed slightly)
+#  2.1.5-beta  --     2.1        5:0:0 (ABI changed slightly)
+#  2.1.6-beta  --     2.1        6:0:0 (ABI changed slightly)
+#  2.1.7-beta  --     2.1        6:1:0 (ABI changed slightly)
+#  2.1.8-stable--     2.1        6:2:0 (ABI changed slightly)
 
 # ABI version history for this package effectively restarts every time
 # we change RELEASE.  Version 1.4.x had RELEASE of 1.4.
@@ -513,58 +1005,221 @@
 # series won't be binary-compatible.
 @INSTALL_LIBEVENT_TRUE@dist_bin_SCRIPTS = event_rpcgen.py
 pkgconfigdir = $(libdir)/pkgconfig
-LIBEVENT_PKGCONFIG = libevent.pc $(am__append_2) $(am__append_4)
+LIBEVENT_PKGCONFIG = libevent.pc libevent_core.pc libevent_extra.pc \
+	$(am__append_2) $(am__append_4)
 
-# These sources are conditionally added by configure.in or conditionally
+# These sources are conditionally added by configure.ac or conditionally
 # included from other files.
 PLATFORM_DEPENDENT_SRC = \
-	epoll_sub.c \
-	arc4random.c
+	arc4random.c \
+	epoll_sub.c
 
-EXTRA_DIST = \
-	LICENSE \
-	autogen.sh \
-	event_rpcgen.py \
-	libevent.pc.in \
-	make-event-config.sed \
-	Doxyfile \
-	whatsnew-2.0.txt \
-	Makefile.nmake test/Makefile.nmake \
-	$(PLATFORM_DEPENDENT_SRC)
-
+EXTRA_DIST = ChangeLog-1.4 ChangeLog-2.0 Doxyfile LICENSE \
+	Makefile.nmake test/Makefile.nmake autogen.sh event_rpcgen.py \
+	libevent.pc.in make-event-config.sed whatsnew-2.0.txt \
+	whatsnew-2.1.txt $(PLATFORM_DEPENDENT_SRC) \
+	test/check-dumpevents.py test/regress.gen.c test/regress.gen.h \
+	test/regress.rpc test/rpcgen_wrapper.sh test/test.sh
 LIBEVENT_LIBS_LA = libevent.la libevent_core.la libevent_extra.la \
 	$(am__append_1) $(am__append_3)
 @INSTALL_LIBEVENT_TRUE@lib_LTLIBRARIES = $(LIBEVENT_LIBS_LA)
 @INSTALL_LIBEVENT_TRUE@pkgconfig_DATA = $(LIBEVENT_PKGCONFIG)
 @INSTALL_LIBEVENT_FALSE@noinst_LTLIBRARIES = $(LIBEVENT_LIBS_LA)
-SUBDIRS = . include sample test
+EXTRA_SOURCE = 
+noinst_HEADERS = $(am__append_5) $(am__append_7) test/regress.h \
+	test/regress_thread.h test/tinytest.h test/tinytest_local.h \
+	test/tinytest_macros.h WIN32-Code/nmake/evconfig-private.h \
+	WIN32-Code/nmake/event2/event-config.h WIN32-Code/tree.h \
+	bufferevent-internal.h changelist-internal.h \
+	compat/sys/queue.h defer-internal.h epolltable-internal.h \
+	evbuffer-internal.h evconfig-private.h event-internal.h \
+	evmap-internal.h evrpc-internal.h evsignal-internal.h \
+	evthread-internal.h ht-internal.h http-internal.h \
+	iocp-internal.h ipv6-internal.h kqueue-internal.h \
+	log-internal.h minheap-internal.h mm-internal.h \
+	ratelim-internal.h ratelim-internal.h strlcpy-internal.h \
+	time-internal.h util-internal.h openssl-compat.h \
+	$(am__append_26)
+CLEANFILES = test/rpcgen-attempted
+DISTCLEANFILES = test/regress.gen.c test/regress.gen.h *~ libevent.pc \
+	libevent_core.pc libevent_extra.pc \
+	./include/event2/event-config.h
+BUILT_SOURCES = $(am__append_11) include/event2/event-config.h
+include_event2dir = $(includedir)/event2
+EVENT2_EXPORT = \
+	include/event2/buffer.h \
+	include/event2/buffer_compat.h \
+	include/event2/bufferevent.h \
+	include/event2/bufferevent_compat.h \
+	include/event2/bufferevent_ssl.h \
+	include/event2/bufferevent_struct.h \
+	include/event2/dns.h \
+	include/event2/dns_compat.h \
+	include/event2/dns_struct.h \
+	include/event2/event.h \
+	include/event2/event_compat.h \
+	include/event2/event_struct.h \
+	include/event2/http.h \
+	include/event2/http_compat.h \
+	include/event2/http_struct.h \
+	include/event2/keyvalq_struct.h \
+	include/event2/listener.h \
+	include/event2/rpc.h \
+	include/event2/rpc_compat.h \
+	include/event2/rpc_struct.h \
+	include/event2/tag.h \
+	include/event2/tag_compat.h \
+	include/event2/thread.h \
+	include/event2/util.h \
+	include/event2/visibility.h
+
+@INSTALL_LIBEVENT_TRUE@include_event2_HEADERS = $(EVENT2_EXPORT)
+@INSTALL_LIBEVENT_TRUE@nodist_include_event2_HEADERS = include/event2/event-config.h
+@INSTALL_LIBEVENT_FALSE@nodist_noinst_HEADERS = include/event2/event-config.h
+SAMPLES = sample/dns-example sample/event-read-fifo sample/hello-world \
+	sample/http-server sample/http-connect sample/signal-test \
+	sample/time-test $(am__append_6)
+@OPENSSL_TRUE@sample_le_proxy_SOURCES = sample/le-proxy.c
+@OPENSSL_TRUE@sample_le_proxy_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
+@OPENSSL_TRUE@sample_le_proxy_INCLUDES = $(OPENSSL_INCS)
+@OPENSSL_TRUE@sample_https_client_SOURCES = \
+@OPENSSL_TRUE@	sample/https-client.c \
+@OPENSSL_TRUE@	sample/hostcheck.c \
+@OPENSSL_TRUE@	sample/openssl_hostname_validation.c
+
+@OPENSSL_TRUE@sample_https_client_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
+@OPENSSL_TRUE@sample_https_client_INCLUDES = $(OPENSSL_INCS)
+sample_event_read_fifo_SOURCES = sample/event-read-fifo.c
+sample_event_read_fifo_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_time_test_SOURCES = sample/time-test.c
+sample_time_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_signal_test_SOURCES = sample/signal-test.c
+sample_signal_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_dns_example_SOURCES = sample/dns-example.c
+sample_dns_example_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_hello_world_SOURCES = sample/hello-world.c
+sample_hello_world_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_http_server_SOURCES = sample/http-server.c
+sample_http_server_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_http_connect_SOURCES = sample/http-connect.c
+sample_http_connect_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+regress_CPPFLAGS = -DTINYTEST_LOCAL
+TESTPROGRAMS = \
+	test/bench					\
+	test/bench_cascade				\
+	test/bench_http				\
+	test/bench_httpclient			\
+	test/test-changelist				\
+	test/test-dumpevents				\
+	test/test-eof				\
+	test/test-closed				\
+	test/test-fdleak				\
+	test/test-init				\
+	test/test-ratelim				\
+	test/test-time				\
+	test/test-weof \
+	test/regress
+
+TESTS = \
+	test_runner_epoll \
+	test_runner_select \
+	test_runner_kqueue \
+	test_runner_evport \
+	test_runner_devpoll \
+	test_runner_poll \
+	test_runner_win32 \
+	test_runner_timerfd \
+	test_runner_changelist \
+	test_runner_timerfd_changelist
+
+LOG_COMPILER = true
+TESTS_COMPILER = true
+test_test_init_SOURCES = test/test-init.c
+test_test_init_LDADD = libevent_core.la
+test_test_dumpevents_SOURCES = test/test-dumpevents.c
+test_test_dumpevents_LDADD = libevent_core.la
+test_test_eof_SOURCES = test/test-eof.c
+test_test_eof_LDADD = libevent_core.la
+test_test_closed_SOURCES = test/test-closed.c
+test_test_closed_LDADD = libevent_core.la
+test_test_changelist_SOURCES = test/test-changelist.c
+test_test_changelist_LDADD = libevent_core.la
+test_test_weof_SOURCES = test/test-weof.c
+test_test_weof_LDADD = libevent_core.la
+test_test_time_SOURCES = test/test-time.c
+test_test_time_LDADD = libevent_core.la
+test_test_ratelim_SOURCES = test/test-ratelim.c
+test_test_ratelim_LDADD = libevent_core.la -lm
+test_test_fdleak_SOURCES = test/test-fdleak.c
+test_test_fdleak_LDADD = libevent_core.la
+test_regress_SOURCES = test/regress.c test/regress.gen.c \
+	test/regress.gen.h test/regress_buffer.c \
+	test/regress_bufferevent.c test/regress_dns.c \
+	test/regress_et.c test/regress_finalize.c test/regress_http.c \
+	test/regress_listener.c test/regress_main.c \
+	test/regress_minheap.c test/regress_rpc.c \
+	test/regress_testutils.c test/regress_testutils.h \
+	test/regress_util.c test/tinytest.c $(regress_thread_SOURCES) \
+	$(regress_zlib_SOURCES) $(am__append_13) $(am__append_14)
+@BUILD_WIN32_TRUE@@THREADS_TRUE@regress_thread_SOURCES = test/regress_thread.c
+@PTHREADS_TRUE@regress_thread_SOURCES = test/regress_thread.c
+@ZLIB_REGRESS_TRUE@regress_zlib_SOURCES = test/regress_zlib.c
+test_regress_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la \
+	$(PTHREAD_LIBS) $(ZLIB_LIBS) $(am__append_16)
+test_regress_CPPFLAGS = $(AM_CPPFLAGS) $(PTHREAD_CFLAGS) \
+	$(ZLIB_CFLAGS) -Itest $(am__append_15)
+test_regress_LDFLAGS = $(PTHREAD_CFLAGS)
+test_bench_SOURCES = test/bench.c
+test_bench_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_cascade_SOURCES = test/bench_cascade.c
+test_bench_cascade_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_http_SOURCES = test/bench_http.c
+test_bench_http_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_httpclient_SOURCES = test/bench_httpclient.c
+test_bench_httpclient_LDADD = $(LIBEVENT_GC_SECTIONS) libevent_core.la
 @BUILD_WIN32_FALSE@SYS_LIBS = 
 @BUILD_WIN32_TRUE@SYS_LIBS = -lws2_32 -lshell32 -ladvapi32
-@BUILD_WIN32_FALSE@SYS_SRC = $(am__append_5) $(am__append_6) \
-@BUILD_WIN32_FALSE@	$(am__append_7) $(am__append_8) \
-@BUILD_WIN32_FALSE@	$(am__append_9) $(am__append_10) \
-@BUILD_WIN32_FALSE@	$(am__append_11)
-@BUILD_WIN32_TRUE@SYS_SRC = win32select.c evthread_win32.c \
-@BUILD_WIN32_TRUE@	buffer_iocp.c event_iocp.c \
-@BUILD_WIN32_TRUE@	bufferevent_async.c $(am__append_5) \
-@BUILD_WIN32_TRUE@	$(am__append_6) $(am__append_7) \
-@BUILD_WIN32_TRUE@	$(am__append_8) $(am__append_9) \
-@BUILD_WIN32_TRUE@	$(am__append_10) $(am__append_11)
+@BUILD_WIN32_FALSE@SYS_SRC = $(am__append_18) $(am__append_19) \
+@BUILD_WIN32_FALSE@	$(am__append_20) $(am__append_21) \
+@BUILD_WIN32_FALSE@	$(am__append_22) $(am__append_23) \
+@BUILD_WIN32_FALSE@	$(am__append_24) $(am__append_25)
+@BUILD_WIN32_TRUE@SYS_SRC = win32select.c buffer_iocp.c event_iocp.c \
+@BUILD_WIN32_TRUE@	bufferevent_async.c $(am__append_17) \
+@BUILD_WIN32_TRUE@	$(am__append_18) $(am__append_19) \
+@BUILD_WIN32_TRUE@	$(am__append_20) $(am__append_21) \
+@BUILD_WIN32_TRUE@	$(am__append_22) $(am__append_23) \
+@BUILD_WIN32_TRUE@	$(am__append_24) $(am__append_25)
 @BUILD_WIN32_FALSE@SYS_INCLUDES = 
-@BUILD_WIN32_TRUE@SYS_INCLUDES = -IWIN32-Code
-BUILT_SOURCES = include/event2/event-config.h
-CORE_SRC = event.c evthread.c buffer.c \
-	bufferevent.c bufferevent_sock.c bufferevent_filter.c \
-	bufferevent_pair.c listener.c bufferevent_ratelim.c \
-	evmap.c	log.c evutil.c evutil_rand.c strlcpy.c $(SYS_SRC)
+@BUILD_WIN32_TRUE@SYS_INCLUDES = -IWIN32-Code -IWIN32-Code/nmake
+CORE_SRC = \
+	buffer.c				\
+	bufferevent.c				\
+	bufferevent_filter.c			\
+	bufferevent_pair.c			\
+	bufferevent_ratelim.c			\
+	bufferevent_sock.c			\
+	event.c					\
+	evmap.c					\
+	evthread.c				\
+	evutil.c				\
+	evutil_rand.c				\
+	evutil_time.c				\
+	listener.c				\
+	log.c					\
+	$(SYS_SRC)
 
-EXTRA_SRC = event_tagging.c http.c evdns.c evrpc.c
+EXTRAS_SRC = \
+	evdns.c					\
+	event_tagging.c				\
+	evrpc.c					\
+	http.c
+
 @BUILD_WITH_NO_UNDEFINED_FALSE@NO_UNDEFINED = 
 @BUILD_WITH_NO_UNDEFINED_TRUE@NO_UNDEFINED = -no-undefined
 @BUILD_WITH_NO_UNDEFINED_FALSE@MAYBE_CORE = 
 @BUILD_WITH_NO_UNDEFINED_TRUE@MAYBE_CORE = libevent_core.la
 GENERIC_LDFLAGS = -version-info $(VERSION_INFO) $(RELEASE) $(NO_UNDEFINED)
-libevent_la_SOURCES = $(CORE_SRC) $(EXTRA_SRC)
+libevent_la_SOURCES = $(CORE_SRC) $(EXTRAS_SRC)
 libevent_la_LIBADD = @LTLIBOBJS@ $(SYS_LIBS)
 libevent_la_LDFLAGS = $(GENERIC_LDFLAGS)
 libevent_core_la_SOURCES = $(CORE_SRC)
@@ -573,32 +1228,30 @@
 @PTHREADS_TRUE@libevent_pthreads_la_SOURCES = evthread_pthread.c
 @PTHREADS_TRUE@libevent_pthreads_la_LIBADD = $(MAYBE_CORE)
 @PTHREADS_TRUE@libevent_pthreads_la_LDFLAGS = $(GENERIC_LDFLAGS)
-libevent_extra_la_SOURCES = $(EXTRA_SRC)
+libevent_extra_la_SOURCES = $(EXTRAS_SRC)
 libevent_extra_la_LIBADD = $(MAYBE_CORE) $(SYS_LIBS)
 libevent_extra_la_LDFLAGS = $(GENERIC_LDFLAGS)
 @OPENSSL_TRUE@libevent_openssl_la_SOURCES = bufferevent_openssl.c
 @OPENSSL_TRUE@libevent_openssl_la_LIBADD = $(MAYBE_CORE) $(OPENSSL_LIBS)
 @OPENSSL_TRUE@libevent_openssl_la_LDFLAGS = $(GENERIC_LDFLAGS)
-noinst_HEADERS = util-internal.h mm-internal.h ipv6-internal.h \
-	evrpc-internal.h strlcpy-internal.h evbuffer-internal.h \
-	bufferevent-internal.h http-internal.h event-internal.h \
-	evthread-internal.h ht-internal.h defer-internal.h \
-	minheap-internal.h log-internal.h evsignal-internal.h \
-	evmap-internal.h changelist-internal.h iocp-internal.h \
-	ratelim-internal.h WIN32-Code/event2/event-config.h \
-	WIN32-Code/tree.h compat/sys/queue.h $(am__append_12)
-EVENT1_HDRS = event.h evhttp.h evdns.h evrpc.h evutil.h
+@OPENSSL_TRUE@libevent_openssl_la_CPPFLAGS = $(AM_CPPFLAGS) $(OPENSSL_INCS)
+EVENT1_HDRS = \
+	include/evdns.h \
+	include/event.h \
+	include/evhttp.h \
+	include/evrpc.h \
+	include/evutil.h
+
 @INSTALL_LIBEVENT_TRUE@include_HEADERS = $(EVENT1_HDRS)
 AM_CPPFLAGS = -I$(srcdir)/compat -I$(srcdir)/include -I./include $(SYS_INCLUDES)
-DISTCLEANFILES = *~ libevent.pc ./include/event2/event-config.h
-all: $(BUILT_SOURCES) config.h
-	$(MAKE) $(AM_MAKEFLAGS) all-recursive
+all: $(BUILT_SOURCES) config.h evconfig-private.h
+	$(MAKE) $(AM_MAKEFLAGS) all-am
 
 .SUFFIXES:
-.SUFFIXES: .c .lo .o .obj
+.SUFFIXES: .c .lo .log .o .obj .test .test$(EXEEXT) .trs
 am--refresh: Makefile
 	@:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(srcdir)/include/include.am $(srcdir)/sample/include.am $(srcdir)/test/include.am $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -611,7 +1264,6 @@
 	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign Makefile'; \
 	$(am__cd) $(top_srcdir) && \
 	  $(AUTOMAKE) --foreign Makefile
-.PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
 	  *config.status*) \
@@ -621,6 +1273,7 @@
 	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
 	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
 	esac;
+$(srcdir)/include/include.am $(srcdir)/sample/include.am $(srcdir)/test/include.am $(am__empty):
 
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	$(SHELL) ./config.status --recheck
@@ -632,8 +1285,8 @@
 $(am__aclocal_m4_deps):
 
 config.h: stamp-h1
-	@if test ! -f $@; then rm -f stamp-h1; else :; fi
-	@if test ! -f $@; then $(MAKE) $(AM_MAKEFLAGS) stamp-h1; else :; fi
+	@test -f $@ || rm -f stamp-h1
+	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) stamp-h1
 
 stamp-h1: $(srcdir)/config.h.in $(top_builddir)/config.status
 	@rm -f stamp-h1
@@ -643,14 +1296,27 @@
 	rm -f stamp-h1
 	touch $@
 
+evconfig-private.h: stamp-h2
+	@test -f $@ || rm -f stamp-h2
+	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) stamp-h2
+
+stamp-h2: $(srcdir)/evconfig-private.h.in $(top_builddir)/config.status
+	@rm -f stamp-h2
+	cd $(top_builddir) && $(SHELL) ./config.status evconfig-private.h
+
 distclean-hdr:
-	-rm -f config.h stamp-h1
+	-rm -f config.h stamp-h1 evconfig-private.h stamp-h2
 libevent.pc: $(top_builddir)/config.status $(srcdir)/libevent.pc.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
 libevent_openssl.pc: $(top_builddir)/config.status $(srcdir)/libevent_openssl.pc.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
 libevent_pthreads.pc: $(top_builddir)/config.status $(srcdir)/libevent_pthreads.pc.in
 	cd $(top_builddir) && $(SHELL) ./config.status $@
+libevent_core.pc: $(top_builddir)/config.status $(srcdir)/libevent_core.pc.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+libevent_extra.pc: $(top_builddir)/config.status $(srcdir)/libevent_extra.pc.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
+
 install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
 	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
@@ -696,16 +1362,220 @@
 	  echo rm -f $${locs}; \
 	  rm -f $${locs}; \
 	}
+
 libevent.la: $(libevent_la_OBJECTS) $(libevent_la_DEPENDENCIES) $(EXTRA_libevent_la_DEPENDENCIES) 
-	$(libevent_la_LINK) $(am_libevent_la_rpath) $(libevent_la_OBJECTS) $(libevent_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libevent_la_LINK) $(am_libevent_la_rpath) $(libevent_la_OBJECTS) $(libevent_la_LIBADD) $(LIBS)
+
 libevent_core.la: $(libevent_core_la_OBJECTS) $(libevent_core_la_DEPENDENCIES) $(EXTRA_libevent_core_la_DEPENDENCIES) 
-	$(libevent_core_la_LINK) $(am_libevent_core_la_rpath) $(libevent_core_la_OBJECTS) $(libevent_core_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libevent_core_la_LINK) $(am_libevent_core_la_rpath) $(libevent_core_la_OBJECTS) $(libevent_core_la_LIBADD) $(LIBS)
+
 libevent_extra.la: $(libevent_extra_la_OBJECTS) $(libevent_extra_la_DEPENDENCIES) $(EXTRA_libevent_extra_la_DEPENDENCIES) 
-	$(libevent_extra_la_LINK) $(am_libevent_extra_la_rpath) $(libevent_extra_la_OBJECTS) $(libevent_extra_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libevent_extra_la_LINK) $(am_libevent_extra_la_rpath) $(libevent_extra_la_OBJECTS) $(libevent_extra_la_LIBADD) $(LIBS)
+
 libevent_openssl.la: $(libevent_openssl_la_OBJECTS) $(libevent_openssl_la_DEPENDENCIES) $(EXTRA_libevent_openssl_la_DEPENDENCIES) 
-	$(libevent_openssl_la_LINK) $(am_libevent_openssl_la_rpath) $(libevent_openssl_la_OBJECTS) $(libevent_openssl_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libevent_openssl_la_LINK) $(am_libevent_openssl_la_rpath) $(libevent_openssl_la_OBJECTS) $(libevent_openssl_la_LIBADD) $(LIBS)
+
 libevent_pthreads.la: $(libevent_pthreads_la_OBJECTS) $(libevent_pthreads_la_DEPENDENCIES) $(EXTRA_libevent_pthreads_la_DEPENDENCIES) 
-	$(libevent_pthreads_la_LINK) $(am_libevent_pthreads_la_rpath) $(libevent_pthreads_la_OBJECTS) $(libevent_pthreads_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libevent_pthreads_la_LINK) $(am_libevent_pthreads_la_rpath) $(libevent_pthreads_la_OBJECTS) $(libevent_pthreads_la_LIBADD) $(LIBS)
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+sample/$(am__dirstamp):
+	@$(MKDIR_P) sample
+	@: > sample/$(am__dirstamp)
+sample/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) sample/$(DEPDIR)
+	@: > sample/$(DEPDIR)/$(am__dirstamp)
+sample/dns-example.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/dns-example$(EXEEXT): $(sample_dns_example_OBJECTS) $(sample_dns_example_DEPENDENCIES) $(EXTRA_sample_dns_example_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/dns-example$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_dns_example_OBJECTS) $(sample_dns_example_LDADD) $(LIBS)
+sample/event-read-fifo.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/event-read-fifo$(EXEEXT): $(sample_event_read_fifo_OBJECTS) $(sample_event_read_fifo_DEPENDENCIES) $(EXTRA_sample_event_read_fifo_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/event-read-fifo$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_event_read_fifo_OBJECTS) $(sample_event_read_fifo_LDADD) $(LIBS)
+sample/hello-world.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/hello-world$(EXEEXT): $(sample_hello_world_OBJECTS) $(sample_hello_world_DEPENDENCIES) $(EXTRA_sample_hello_world_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/hello-world$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_hello_world_OBJECTS) $(sample_hello_world_LDADD) $(LIBS)
+sample/http-connect.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/http-connect$(EXEEXT): $(sample_http_connect_OBJECTS) $(sample_http_connect_DEPENDENCIES) $(EXTRA_sample_http_connect_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/http-connect$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_http_connect_OBJECTS) $(sample_http_connect_LDADD) $(LIBS)
+sample/http-server.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/http-server$(EXEEXT): $(sample_http_server_OBJECTS) $(sample_http_server_DEPENDENCIES) $(EXTRA_sample_http_server_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/http-server$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_http_server_OBJECTS) $(sample_http_server_LDADD) $(LIBS)
+sample/https-client.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+sample/hostcheck.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+sample/openssl_hostname_validation.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/https-client$(EXEEXT): $(sample_https_client_OBJECTS) $(sample_https_client_DEPENDENCIES) $(EXTRA_sample_https_client_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/https-client$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_https_client_OBJECTS) $(sample_https_client_LDADD) $(LIBS)
+sample/le-proxy.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/le-proxy$(EXEEXT): $(sample_le_proxy_OBJECTS) $(sample_le_proxy_DEPENDENCIES) $(EXTRA_sample_le_proxy_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/le-proxy$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_le_proxy_OBJECTS) $(sample_le_proxy_LDADD) $(LIBS)
+sample/signal-test.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/signal-test$(EXEEXT): $(sample_signal_test_OBJECTS) $(sample_signal_test_DEPENDENCIES) $(EXTRA_sample_signal_test_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/signal-test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_signal_test_OBJECTS) $(sample_signal_test_LDADD) $(LIBS)
+sample/time-test.$(OBJEXT): sample/$(am__dirstamp) \
+	sample/$(DEPDIR)/$(am__dirstamp)
+
+sample/time-test$(EXEEXT): $(sample_time_test_OBJECTS) $(sample_time_test_DEPENDENCIES) $(EXTRA_sample_time_test_DEPENDENCIES) sample/$(am__dirstamp)
+	@rm -f sample/time-test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(sample_time_test_OBJECTS) $(sample_time_test_LDADD) $(LIBS)
+test/$(am__dirstamp):
+	@$(MKDIR_P) test
+	@: > test/$(am__dirstamp)
+test/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) test/$(DEPDIR)
+	@: > test/$(DEPDIR)/$(am__dirstamp)
+test/bench.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/bench$(EXEEXT): $(test_bench_OBJECTS) $(test_bench_DEPENDENCIES) $(EXTRA_test_bench_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/bench$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_bench_OBJECTS) $(test_bench_LDADD) $(LIBS)
+test/bench_cascade.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/bench_cascade$(EXEEXT): $(test_bench_cascade_OBJECTS) $(test_bench_cascade_DEPENDENCIES) $(EXTRA_test_bench_cascade_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/bench_cascade$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_bench_cascade_OBJECTS) $(test_bench_cascade_LDADD) $(LIBS)
+test/bench_http.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/bench_http$(EXEEXT): $(test_bench_http_OBJECTS) $(test_bench_http_DEPENDENCIES) $(EXTRA_test_bench_http_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/bench_http$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_bench_http_OBJECTS) $(test_bench_http_LDADD) $(LIBS)
+test/bench_httpclient.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/bench_httpclient$(EXEEXT): $(test_bench_httpclient_OBJECTS) $(test_bench_httpclient_DEPENDENCIES) $(EXTRA_test_bench_httpclient_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/bench_httpclient$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_bench_httpclient_OBJECTS) $(test_bench_httpclient_LDADD) $(LIBS)
+test/test_regress-regress.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress.gen.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_buffer.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_bufferevent.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_dns.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_et.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_finalize.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_http.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_listener.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_main.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_minheap.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_rpc.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_testutils.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_util.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-tinytest.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_thread.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_zlib.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_iocp.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+test/test_regress-regress_ssl.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/regress$(EXEEXT): $(test_regress_OBJECTS) $(test_regress_DEPENDENCIES) $(EXTRA_test_regress_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/regress$(EXEEXT)
+	$(AM_V_CCLD)$(test_regress_LINK) $(test_regress_OBJECTS) $(test_regress_LDADD) $(LIBS)
+test/test-changelist.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-changelist$(EXEEXT): $(test_test_changelist_OBJECTS) $(test_test_changelist_DEPENDENCIES) $(EXTRA_test_test_changelist_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-changelist$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_changelist_OBJECTS) $(test_test_changelist_LDADD) $(LIBS)
+test/test-closed.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-closed$(EXEEXT): $(test_test_closed_OBJECTS) $(test_test_closed_DEPENDENCIES) $(EXTRA_test_test_closed_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-closed$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_closed_OBJECTS) $(test_test_closed_LDADD) $(LIBS)
+test/test-dumpevents.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-dumpevents$(EXEEXT): $(test_test_dumpevents_OBJECTS) $(test_test_dumpevents_DEPENDENCIES) $(EXTRA_test_test_dumpevents_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-dumpevents$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_dumpevents_OBJECTS) $(test_test_dumpevents_LDADD) $(LIBS)
+test/test-eof.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-eof$(EXEEXT): $(test_test_eof_OBJECTS) $(test_test_eof_DEPENDENCIES) $(EXTRA_test_test_eof_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-eof$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_eof_OBJECTS) $(test_test_eof_LDADD) $(LIBS)
+test/test-fdleak.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-fdleak$(EXEEXT): $(test_test_fdleak_OBJECTS) $(test_test_fdleak_DEPENDENCIES) $(EXTRA_test_test_fdleak_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-fdleak$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_fdleak_OBJECTS) $(test_test_fdleak_LDADD) $(LIBS)
+test/test-init.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-init$(EXEEXT): $(test_test_init_OBJECTS) $(test_test_init_DEPENDENCIES) $(EXTRA_test_test_init_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-init$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_init_OBJECTS) $(test_test_init_LDADD) $(LIBS)
+test/test-ratelim.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-ratelim$(EXEEXT): $(test_test_ratelim_OBJECTS) $(test_test_ratelim_DEPENDENCIES) $(EXTRA_test_test_ratelim_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-ratelim$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_ratelim_OBJECTS) $(test_test_ratelim_LDADD) $(LIBS)
+test/test-time.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-time$(EXEEXT): $(test_test_time_OBJECTS) $(test_test_time_DEPENDENCIES) $(EXTRA_test_test_time_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-time$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_time_OBJECTS) $(test_test_time_LDADD) $(LIBS)
+test/test-weof.$(OBJEXT): test/$(am__dirstamp) \
+	test/$(DEPDIR)/$(am__dirstamp)
+
+test/test-weof$(EXEEXT): $(test_test_weof_OBJECTS) $(test_test_weof_DEPENDENCIES) $(EXTRA_test_test_weof_DEPENDENCIES) test/$(am__dirstamp)
+	@rm -f test/test-weof$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(test_test_weof_OBJECTS) $(test_test_weof_LDADD) $(LIBS)
 install-dist_binSCRIPTS: $(dist_bin_SCRIPTS)
 	@$(NORMAL_INSTALL)
 	@list='$(dist_bin_SCRIPTS)'; test -n "$(bindir)" || list=; \
@@ -744,6 +1614,8 @@
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
+	-rm -f sample/*.$(OBJEXT)
+	-rm -f test/*.$(OBJEXT)
 
 distclean-compile:
 	-rm -f *.tab.c
@@ -754,7 +1626,6 @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_async.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_filter.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_openssl.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_pair.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_ratelim.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bufferevent_sock.Plo@am__quote@
@@ -772,8 +1643,10 @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/evthread_win32.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/evutil.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/evutil_rand.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/evutil_time.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/http.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/kqueue.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libevent_openssl_la-bufferevent_openssl.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/listener.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/log.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/poll.Plo@am__quote@
@@ -781,33 +1654,354 @@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/signal.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/strlcpy.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/win32select.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/dns-example.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/event-read-fifo.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/hello-world.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/hostcheck.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/http-connect.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/http-server.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/https-client.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/le-proxy.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/openssl_hostname_validation.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/signal-test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@sample/$(DEPDIR)/time-test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/bench.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/bench_cascade.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/bench_http.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/bench_httpclient.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-changelist.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-closed.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-dumpevents.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-eof.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-fdleak.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-init.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-ratelim.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-time.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-weof.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress.gen.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_buffer.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_bufferevent.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_dns.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_et.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_finalize.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_http.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_iocp.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_listener.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_minheap.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_rpc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_ssl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_testutils.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_thread.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_util.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-regress_zlib.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test_regress-tinytest.Po@am__quote@
 
 .c.o:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c $<
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
 
 .c.obj:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
 
 .c.lo:
-@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+libevent_openssl_la-bufferevent_openssl.lo: bufferevent_openssl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libevent_openssl_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libevent_openssl_la-bufferevent_openssl.lo -MD -MP -MF $(DEPDIR)/libevent_openssl_la-bufferevent_openssl.Tpo -c -o libevent_openssl_la-bufferevent_openssl.lo `test -f 'bufferevent_openssl.c' || echo '$(srcdir)/'`bufferevent_openssl.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libevent_openssl_la-bufferevent_openssl.Tpo $(DEPDIR)/libevent_openssl_la-bufferevent_openssl.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='bufferevent_openssl.c' object='libevent_openssl_la-bufferevent_openssl.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libevent_openssl_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libevent_openssl_la-bufferevent_openssl.lo `test -f 'bufferevent_openssl.c' || echo '$(srcdir)/'`bufferevent_openssl.c
+
+test/test_regress-regress.o: test/regress.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress.Tpo -c -o test/test_regress-regress.o `test -f 'test/regress.c' || echo '$(srcdir)/'`test/regress.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress.Tpo test/$(DEPDIR)/test_regress-regress.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress.c' object='test/test_regress-regress.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress.o `test -f 'test/regress.c' || echo '$(srcdir)/'`test/regress.c
+
+test/test_regress-regress.obj: test/regress.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress.Tpo -c -o test/test_regress-regress.obj `if test -f 'test/regress.c'; then $(CYGPATH_W) 'test/regress.c'; else $(CYGPATH_W) '$(srcdir)/test/regress.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress.Tpo test/$(DEPDIR)/test_regress-regress.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress.c' object='test/test_regress-regress.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress.obj `if test -f 'test/regress.c'; then $(CYGPATH_W) 'test/regress.c'; else $(CYGPATH_W) '$(srcdir)/test/regress.c'; fi`
+
+test/test_regress-regress.gen.o: test/regress.gen.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress.gen.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress.gen.Tpo -c -o test/test_regress-regress.gen.o `test -f 'test/regress.gen.c' || echo '$(srcdir)/'`test/regress.gen.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress.gen.Tpo test/$(DEPDIR)/test_regress-regress.gen.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress.gen.c' object='test/test_regress-regress.gen.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress.gen.o `test -f 'test/regress.gen.c' || echo '$(srcdir)/'`test/regress.gen.c
+
+test/test_regress-regress.gen.obj: test/regress.gen.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress.gen.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress.gen.Tpo -c -o test/test_regress-regress.gen.obj `if test -f 'test/regress.gen.c'; then $(CYGPATH_W) 'test/regress.gen.c'; else $(CYGPATH_W) '$(srcdir)/test/regress.gen.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress.gen.Tpo test/$(DEPDIR)/test_regress-regress.gen.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress.gen.c' object='test/test_regress-regress.gen.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress.gen.obj `if test -f 'test/regress.gen.c'; then $(CYGPATH_W) 'test/regress.gen.c'; else $(CYGPATH_W) '$(srcdir)/test/regress.gen.c'; fi`
+
+test/test_regress-regress_buffer.o: test/regress_buffer.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_buffer.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_buffer.Tpo -c -o test/test_regress-regress_buffer.o `test -f 'test/regress_buffer.c' || echo '$(srcdir)/'`test/regress_buffer.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_buffer.Tpo test/$(DEPDIR)/test_regress-regress_buffer.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_buffer.c' object='test/test_regress-regress_buffer.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_buffer.o `test -f 'test/regress_buffer.c' || echo '$(srcdir)/'`test/regress_buffer.c
+
+test/test_regress-regress_buffer.obj: test/regress_buffer.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_buffer.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_buffer.Tpo -c -o test/test_regress-regress_buffer.obj `if test -f 'test/regress_buffer.c'; then $(CYGPATH_W) 'test/regress_buffer.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_buffer.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_buffer.Tpo test/$(DEPDIR)/test_regress-regress_buffer.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_buffer.c' object='test/test_regress-regress_buffer.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_buffer.obj `if test -f 'test/regress_buffer.c'; then $(CYGPATH_W) 'test/regress_buffer.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_buffer.c'; fi`
+
+test/test_regress-regress_bufferevent.o: test/regress_bufferevent.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_bufferevent.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_bufferevent.Tpo -c -o test/test_regress-regress_bufferevent.o `test -f 'test/regress_bufferevent.c' || echo '$(srcdir)/'`test/regress_bufferevent.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_bufferevent.Tpo test/$(DEPDIR)/test_regress-regress_bufferevent.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_bufferevent.c' object='test/test_regress-regress_bufferevent.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_bufferevent.o `test -f 'test/regress_bufferevent.c' || echo '$(srcdir)/'`test/regress_bufferevent.c
+
+test/test_regress-regress_bufferevent.obj: test/regress_bufferevent.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_bufferevent.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_bufferevent.Tpo -c -o test/test_regress-regress_bufferevent.obj `if test -f 'test/regress_bufferevent.c'; then $(CYGPATH_W) 'test/regress_bufferevent.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_bufferevent.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_bufferevent.Tpo test/$(DEPDIR)/test_regress-regress_bufferevent.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_bufferevent.c' object='test/test_regress-regress_bufferevent.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_bufferevent.obj `if test -f 'test/regress_bufferevent.c'; then $(CYGPATH_W) 'test/regress_bufferevent.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_bufferevent.c'; fi`
+
+test/test_regress-regress_dns.o: test/regress_dns.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_dns.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_dns.Tpo -c -o test/test_regress-regress_dns.o `test -f 'test/regress_dns.c' || echo '$(srcdir)/'`test/regress_dns.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_dns.Tpo test/$(DEPDIR)/test_regress-regress_dns.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_dns.c' object='test/test_regress-regress_dns.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_dns.o `test -f 'test/regress_dns.c' || echo '$(srcdir)/'`test/regress_dns.c
+
+test/test_regress-regress_dns.obj: test/regress_dns.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_dns.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_dns.Tpo -c -o test/test_regress-regress_dns.obj `if test -f 'test/regress_dns.c'; then $(CYGPATH_W) 'test/regress_dns.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_dns.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_dns.Tpo test/$(DEPDIR)/test_regress-regress_dns.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_dns.c' object='test/test_regress-regress_dns.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_dns.obj `if test -f 'test/regress_dns.c'; then $(CYGPATH_W) 'test/regress_dns.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_dns.c'; fi`
+
+test/test_regress-regress_et.o: test/regress_et.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_et.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_et.Tpo -c -o test/test_regress-regress_et.o `test -f 'test/regress_et.c' || echo '$(srcdir)/'`test/regress_et.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_et.Tpo test/$(DEPDIR)/test_regress-regress_et.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_et.c' object='test/test_regress-regress_et.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_et.o `test -f 'test/regress_et.c' || echo '$(srcdir)/'`test/regress_et.c
+
+test/test_regress-regress_et.obj: test/regress_et.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_et.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_et.Tpo -c -o test/test_regress-regress_et.obj `if test -f 'test/regress_et.c'; then $(CYGPATH_W) 'test/regress_et.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_et.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_et.Tpo test/$(DEPDIR)/test_regress-regress_et.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_et.c' object='test/test_regress-regress_et.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_et.obj `if test -f 'test/regress_et.c'; then $(CYGPATH_W) 'test/regress_et.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_et.c'; fi`
+
+test/test_regress-regress_finalize.o: test/regress_finalize.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_finalize.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_finalize.Tpo -c -o test/test_regress-regress_finalize.o `test -f 'test/regress_finalize.c' || echo '$(srcdir)/'`test/regress_finalize.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_finalize.Tpo test/$(DEPDIR)/test_regress-regress_finalize.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_finalize.c' object='test/test_regress-regress_finalize.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_finalize.o `test -f 'test/regress_finalize.c' || echo '$(srcdir)/'`test/regress_finalize.c
+
+test/test_regress-regress_finalize.obj: test/regress_finalize.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_finalize.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_finalize.Tpo -c -o test/test_regress-regress_finalize.obj `if test -f 'test/regress_finalize.c'; then $(CYGPATH_W) 'test/regress_finalize.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_finalize.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_finalize.Tpo test/$(DEPDIR)/test_regress-regress_finalize.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_finalize.c' object='test/test_regress-regress_finalize.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_finalize.obj `if test -f 'test/regress_finalize.c'; then $(CYGPATH_W) 'test/regress_finalize.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_finalize.c'; fi`
+
+test/test_regress-regress_http.o: test/regress_http.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_http.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_http.Tpo -c -o test/test_regress-regress_http.o `test -f 'test/regress_http.c' || echo '$(srcdir)/'`test/regress_http.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_http.Tpo test/$(DEPDIR)/test_regress-regress_http.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_http.c' object='test/test_regress-regress_http.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_http.o `test -f 'test/regress_http.c' || echo '$(srcdir)/'`test/regress_http.c
+
+test/test_regress-regress_http.obj: test/regress_http.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_http.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_http.Tpo -c -o test/test_regress-regress_http.obj `if test -f 'test/regress_http.c'; then $(CYGPATH_W) 'test/regress_http.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_http.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_http.Tpo test/$(DEPDIR)/test_regress-regress_http.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_http.c' object='test/test_regress-regress_http.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_http.obj `if test -f 'test/regress_http.c'; then $(CYGPATH_W) 'test/regress_http.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_http.c'; fi`
+
+test/test_regress-regress_listener.o: test/regress_listener.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_listener.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_listener.Tpo -c -o test/test_regress-regress_listener.o `test -f 'test/regress_listener.c' || echo '$(srcdir)/'`test/regress_listener.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_listener.Tpo test/$(DEPDIR)/test_regress-regress_listener.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_listener.c' object='test/test_regress-regress_listener.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_listener.o `test -f 'test/regress_listener.c' || echo '$(srcdir)/'`test/regress_listener.c
+
+test/test_regress-regress_listener.obj: test/regress_listener.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_listener.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_listener.Tpo -c -o test/test_regress-regress_listener.obj `if test -f 'test/regress_listener.c'; then $(CYGPATH_W) 'test/regress_listener.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_listener.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_listener.Tpo test/$(DEPDIR)/test_regress-regress_listener.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_listener.c' object='test/test_regress-regress_listener.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_listener.obj `if test -f 'test/regress_listener.c'; then $(CYGPATH_W) 'test/regress_listener.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_listener.c'; fi`
+
+test/test_regress-regress_main.o: test/regress_main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_main.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_main.Tpo -c -o test/test_regress-regress_main.o `test -f 'test/regress_main.c' || echo '$(srcdir)/'`test/regress_main.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_main.Tpo test/$(DEPDIR)/test_regress-regress_main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_main.c' object='test/test_regress-regress_main.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_main.o `test -f 'test/regress_main.c' || echo '$(srcdir)/'`test/regress_main.c
+
+test/test_regress-regress_main.obj: test/regress_main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_main.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_main.Tpo -c -o test/test_regress-regress_main.obj `if test -f 'test/regress_main.c'; then $(CYGPATH_W) 'test/regress_main.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_main.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_main.Tpo test/$(DEPDIR)/test_regress-regress_main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_main.c' object='test/test_regress-regress_main.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_main.obj `if test -f 'test/regress_main.c'; then $(CYGPATH_W) 'test/regress_main.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_main.c'; fi`
+
+test/test_regress-regress_minheap.o: test/regress_minheap.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_minheap.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_minheap.Tpo -c -o test/test_regress-regress_minheap.o `test -f 'test/regress_minheap.c' || echo '$(srcdir)/'`test/regress_minheap.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_minheap.Tpo test/$(DEPDIR)/test_regress-regress_minheap.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_minheap.c' object='test/test_regress-regress_minheap.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_minheap.o `test -f 'test/regress_minheap.c' || echo '$(srcdir)/'`test/regress_minheap.c
+
+test/test_regress-regress_minheap.obj: test/regress_minheap.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_minheap.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_minheap.Tpo -c -o test/test_regress-regress_minheap.obj `if test -f 'test/regress_minheap.c'; then $(CYGPATH_W) 'test/regress_minheap.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_minheap.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_minheap.Tpo test/$(DEPDIR)/test_regress-regress_minheap.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_minheap.c' object='test/test_regress-regress_minheap.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_minheap.obj `if test -f 'test/regress_minheap.c'; then $(CYGPATH_W) 'test/regress_minheap.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_minheap.c'; fi`
+
+test/test_regress-regress_rpc.o: test/regress_rpc.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_rpc.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_rpc.Tpo -c -o test/test_regress-regress_rpc.o `test -f 'test/regress_rpc.c' || echo '$(srcdir)/'`test/regress_rpc.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_rpc.Tpo test/$(DEPDIR)/test_regress-regress_rpc.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_rpc.c' object='test/test_regress-regress_rpc.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_rpc.o `test -f 'test/regress_rpc.c' || echo '$(srcdir)/'`test/regress_rpc.c
+
+test/test_regress-regress_rpc.obj: test/regress_rpc.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_rpc.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_rpc.Tpo -c -o test/test_regress-regress_rpc.obj `if test -f 'test/regress_rpc.c'; then $(CYGPATH_W) 'test/regress_rpc.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_rpc.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_rpc.Tpo test/$(DEPDIR)/test_regress-regress_rpc.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_rpc.c' object='test/test_regress-regress_rpc.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_rpc.obj `if test -f 'test/regress_rpc.c'; then $(CYGPATH_W) 'test/regress_rpc.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_rpc.c'; fi`
+
+test/test_regress-regress_testutils.o: test/regress_testutils.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_testutils.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_testutils.Tpo -c -o test/test_regress-regress_testutils.o `test -f 'test/regress_testutils.c' || echo '$(srcdir)/'`test/regress_testutils.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_testutils.Tpo test/$(DEPDIR)/test_regress-regress_testutils.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_testutils.c' object='test/test_regress-regress_testutils.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_testutils.o `test -f 'test/regress_testutils.c' || echo '$(srcdir)/'`test/regress_testutils.c
+
+test/test_regress-regress_testutils.obj: test/regress_testutils.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_testutils.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_testutils.Tpo -c -o test/test_regress-regress_testutils.obj `if test -f 'test/regress_testutils.c'; then $(CYGPATH_W) 'test/regress_testutils.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_testutils.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_testutils.Tpo test/$(DEPDIR)/test_regress-regress_testutils.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_testutils.c' object='test/test_regress-regress_testutils.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_testutils.obj `if test -f 'test/regress_testutils.c'; then $(CYGPATH_W) 'test/regress_testutils.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_testutils.c'; fi`
+
+test/test_regress-regress_util.o: test/regress_util.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_util.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_util.Tpo -c -o test/test_regress-regress_util.o `test -f 'test/regress_util.c' || echo '$(srcdir)/'`test/regress_util.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_util.Tpo test/$(DEPDIR)/test_regress-regress_util.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_util.c' object='test/test_regress-regress_util.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_util.o `test -f 'test/regress_util.c' || echo '$(srcdir)/'`test/regress_util.c
+
+test/test_regress-regress_util.obj: test/regress_util.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_util.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_util.Tpo -c -o test/test_regress-regress_util.obj `if test -f 'test/regress_util.c'; then $(CYGPATH_W) 'test/regress_util.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_util.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_util.Tpo test/$(DEPDIR)/test_regress-regress_util.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_util.c' object='test/test_regress-regress_util.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_util.obj `if test -f 'test/regress_util.c'; then $(CYGPATH_W) 'test/regress_util.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_util.c'; fi`
+
+test/test_regress-tinytest.o: test/tinytest.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-tinytest.o -MD -MP -MF test/$(DEPDIR)/test_regress-tinytest.Tpo -c -o test/test_regress-tinytest.o `test -f 'test/tinytest.c' || echo '$(srcdir)/'`test/tinytest.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-tinytest.Tpo test/$(DEPDIR)/test_regress-tinytest.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/tinytest.c' object='test/test_regress-tinytest.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-tinytest.o `test -f 'test/tinytest.c' || echo '$(srcdir)/'`test/tinytest.c
+
+test/test_regress-tinytest.obj: test/tinytest.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-tinytest.obj -MD -MP -MF test/$(DEPDIR)/test_regress-tinytest.Tpo -c -o test/test_regress-tinytest.obj `if test -f 'test/tinytest.c'; then $(CYGPATH_W) 'test/tinytest.c'; else $(CYGPATH_W) '$(srcdir)/test/tinytest.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-tinytest.Tpo test/$(DEPDIR)/test_regress-tinytest.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/tinytest.c' object='test/test_regress-tinytest.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-tinytest.obj `if test -f 'test/tinytest.c'; then $(CYGPATH_W) 'test/tinytest.c'; else $(CYGPATH_W) '$(srcdir)/test/tinytest.c'; fi`
+
+test/test_regress-regress_thread.o: test/regress_thread.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_thread.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_thread.Tpo -c -o test/test_regress-regress_thread.o `test -f 'test/regress_thread.c' || echo '$(srcdir)/'`test/regress_thread.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_thread.Tpo test/$(DEPDIR)/test_regress-regress_thread.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_thread.c' object='test/test_regress-regress_thread.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_thread.o `test -f 'test/regress_thread.c' || echo '$(srcdir)/'`test/regress_thread.c
+
+test/test_regress-regress_thread.obj: test/regress_thread.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_thread.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_thread.Tpo -c -o test/test_regress-regress_thread.obj `if test -f 'test/regress_thread.c'; then $(CYGPATH_W) 'test/regress_thread.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_thread.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_thread.Tpo test/$(DEPDIR)/test_regress-regress_thread.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_thread.c' object='test/test_regress-regress_thread.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_thread.obj `if test -f 'test/regress_thread.c'; then $(CYGPATH_W) 'test/regress_thread.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_thread.c'; fi`
+
+test/test_regress-regress_zlib.o: test/regress_zlib.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_zlib.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_zlib.Tpo -c -o test/test_regress-regress_zlib.o `test -f 'test/regress_zlib.c' || echo '$(srcdir)/'`test/regress_zlib.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_zlib.Tpo test/$(DEPDIR)/test_regress-regress_zlib.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_zlib.c' object='test/test_regress-regress_zlib.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_zlib.o `test -f 'test/regress_zlib.c' || echo '$(srcdir)/'`test/regress_zlib.c
+
+test/test_regress-regress_zlib.obj: test/regress_zlib.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_zlib.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_zlib.Tpo -c -o test/test_regress-regress_zlib.obj `if test -f 'test/regress_zlib.c'; then $(CYGPATH_W) 'test/regress_zlib.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_zlib.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_zlib.Tpo test/$(DEPDIR)/test_regress-regress_zlib.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_zlib.c' object='test/test_regress-regress_zlib.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_zlib.obj `if test -f 'test/regress_zlib.c'; then $(CYGPATH_W) 'test/regress_zlib.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_zlib.c'; fi`
+
+test/test_regress-regress_iocp.o: test/regress_iocp.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_iocp.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_iocp.Tpo -c -o test/test_regress-regress_iocp.o `test -f 'test/regress_iocp.c' || echo '$(srcdir)/'`test/regress_iocp.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_iocp.Tpo test/$(DEPDIR)/test_regress-regress_iocp.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_iocp.c' object='test/test_regress-regress_iocp.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_iocp.o `test -f 'test/regress_iocp.c' || echo '$(srcdir)/'`test/regress_iocp.c
+
+test/test_regress-regress_iocp.obj: test/regress_iocp.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_iocp.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_iocp.Tpo -c -o test/test_regress-regress_iocp.obj `if test -f 'test/regress_iocp.c'; then $(CYGPATH_W) 'test/regress_iocp.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_iocp.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_iocp.Tpo test/$(DEPDIR)/test_regress-regress_iocp.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_iocp.c' object='test/test_regress-regress_iocp.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_iocp.obj `if test -f 'test/regress_iocp.c'; then $(CYGPATH_W) 'test/regress_iocp.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_iocp.c'; fi`
+
+test/test_regress-regress_ssl.o: test/regress_ssl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_ssl.o -MD -MP -MF test/$(DEPDIR)/test_regress-regress_ssl.Tpo -c -o test/test_regress-regress_ssl.o `test -f 'test/regress_ssl.c' || echo '$(srcdir)/'`test/regress_ssl.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_ssl.Tpo test/$(DEPDIR)/test_regress-regress_ssl.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_ssl.c' object='test/test_regress-regress_ssl.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_ssl.o `test -f 'test/regress_ssl.c' || echo '$(srcdir)/'`test/regress_ssl.c
+
+test/test_regress-regress_ssl.obj: test/regress_ssl.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT test/test_regress-regress_ssl.obj -MD -MP -MF test/$(DEPDIR)/test_regress-regress_ssl.Tpo -c -o test/test_regress-regress_ssl.obj `if test -f 'test/regress_ssl.c'; then $(CYGPATH_W) 'test/regress_ssl.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_ssl.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) test/$(DEPDIR)/test_regress-regress_ssl.Tpo test/$(DEPDIR)/test_regress-regress_ssl.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test/regress_ssl.c' object='test/test_regress-regress_ssl.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(test_regress_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o test/test_regress-regress_ssl.obj `if test -f 'test/regress_ssl.c'; then $(CYGPATH_W) 'test/regress_ssl.c'; else $(CYGPATH_W) '$(srcdir)/test/regress_ssl.c'; fi`
 
 mostlyclean-libtool:
 	-rm -f *.lo
 
 clean-libtool:
 	-rm -rf .libs _libs
+	-rm -rf sample/.libs sample/_libs
+	-rm -rf test/.libs test/_libs
 
 distclean-libtool:
 	-rm -f libtool config.lt
@@ -853,87 +2047,58 @@
 	@list='$(include_HEADERS)'; test -n "$(includedir)" || list=; \
 	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
 	dir='$(DESTDIR)$(includedir)'; $(am__uninstall_files_from_dir)
-
-# This directory's subdirectories are mostly independent; you can cd
-# into them and run 'make' without going through this Makefile.
-# To change the values of 'make' variables: instead of editing Makefiles,
-# (1) if the variable is set in 'config.status', edit 'config.status'
-#     (which will cause the Makefiles to be regenerated when you run 'make');
-# (2) otherwise, pass the desired values on the 'make' command line.
-$(RECURSIVE_TARGETS) $(RECURSIVE_CLEAN_TARGETS):
-	@fail= failcom='exit 1'; \
-	for f in x $$MAKEFLAGS; do \
-	  case $$f in \
-	    *=* | --[!k]*);; \
-	    *k*) failcom='fail=yes';; \
-	  esac; \
-	done; \
-	dot_seen=no; \
-	target=`echo $@ | sed s/-recursive//`; \
-	case "$@" in \
-	  distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
-	  *) list='$(SUBDIRS)' ;; \
-	esac; \
-	for subdir in $$list; do \
-	  echo "Making $$target in $$subdir"; \
-	  if test "$$subdir" = "."; then \
-	    dot_seen=yes; \
-	    local_target="$$target-am"; \
-	  else \
-	    local_target="$$target"; \
-	  fi; \
-	  ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
-	  || eval $$failcom; \
-	done; \
-	if test "$$dot_seen" = "no"; then \
-	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
-	fi; test -z "$$fail"
-tags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
-	done
-ctags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
-	done
-cscopelist-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) cscopelist); \
+install-include_event2HEADERS: $(include_event2_HEADERS)
+	@$(NORMAL_INSTALL)
+	@list='$(include_event2_HEADERS)'; test -n "$(include_event2dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(include_event2dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(include_event2dir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(include_event2dir)'"; \
+	  $(INSTALL_HEADER) $$files "$(DESTDIR)$(include_event2dir)" || exit $$?; \
 	done
 
-ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	mkid -fID $$unique
-tags: TAGS
+uninstall-include_event2HEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(include_event2_HEADERS)'; test -n "$(include_event2dir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(include_event2dir)'; $(am__uninstall_files_from_dir)
+install-nodist_include_event2HEADERS: $(nodist_include_event2_HEADERS)
+	@$(NORMAL_INSTALL)
+	@list='$(nodist_include_event2_HEADERS)'; test -n "$(include_event2dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(include_event2dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(include_event2dir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(include_event2dir)'"; \
+	  $(INSTALL_HEADER) $$files "$(DESTDIR)$(include_event2dir)" || exit $$?; \
+	done
 
-TAGS: tags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
+uninstall-nodist_include_event2HEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(nodist_include_event2_HEADERS)'; test -n "$(include_event2dir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(include_event2dir)'; $(am__uninstall_files_from_dir)
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
 	set x; \
 	here=`pwd`; \
-	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
-	  include_option=--etags-include; \
-	  empty_fix=.; \
-	else \
-	  include_option=--include; \
-	  empty_fix=; \
-	fi; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  if test "$$subdir" = .; then :; else \
-	    test ! -f $$subdir/TAGS || \
-	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
-	  fi; \
-	done; \
-	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	$(am__define_uniq_tagged_files); \
 	shift; \
 	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
@@ -945,15 +2110,11 @@
 	      $$unique; \
 	  fi; \
 	fi
-ctags: CTAGS
-CTAGS: ctags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
 	test -z "$(CTAGS_ARGS)$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
 	     $$unique
@@ -962,18 +2123,16 @@
 	here=`$(am__cd) $(top_builddir) && pwd` \
 	  && $(am__cd) $(top_srcdir) \
 	  && gtags -i $(GTAGS_ARGS) "$$here"
-
 cscope: cscope.files
 	test ! -s cscope.files \
 	  || $(CSCOPE) -b -q $(AM_CSCOPEFLAGS) $(CSCOPEFLAGS) -i cscope.files $(CSCOPE_ARGS)
-
 clean-cscope:
 	-rm -f cscope.files
+cscope.files: clean-cscope cscopelist
+cscopelist: cscopelist-am
 
-cscope.files: clean-cscope cscopelist-recursive cscopelist
-
-cscopelist: cscopelist-recursive $(HEADERS) $(SOURCES) $(LISP)
-	list='$(SOURCES) $(HEADERS) $(LISP)'; \
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
 	case "$(srcdir)" in \
 	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
 	  *) sdir=$(subdir)/$(srcdir) ;; \
@@ -990,6 +2149,232 @@
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
 
+# Recover from deleted '.trs' file; this should ensure that
+# "rm -f foo.log; make foo.trs" re-run 'foo.test', and re-create
+# both 'foo.log' and 'foo.trs'.  Break the recipe in two subshells
+# to avoid problems with "make -n".
+.log.trs:
+	rm -f $< $@
+	$(MAKE) $(AM_MAKEFLAGS) $<
+
+# Leading 'am--fnord' is there to ensure the list of targets does not
+# expand to empty, as could happen e.g. with make check TESTS=''.
+am--fnord $(TEST_LOGS) $(TEST_LOGS:.log=.trs): $(am__force_recheck)
+am--force-recheck:
+	@:
+
+$(TEST_SUITE_LOG): $(TEST_LOGS)
+	@$(am__set_TESTS_bases); \
+	am__f_ok () { test -f "$$1" && test -r "$$1"; }; \
+	redo_bases=`for i in $$bases; do \
+	              am__f_ok $$i.trs && am__f_ok $$i.log || echo $$i; \
+	            done`; \
+	if test -n "$$redo_bases"; then \
+	  redo_logs=`for i in $$redo_bases; do echo $$i.log; done`; \
+	  redo_results=`for i in $$redo_bases; do echo $$i.trs; done`; \
+	  if $(am__make_dryrun); then :; else \
+	    rm -f $$redo_logs && rm -f $$redo_results || exit 1; \
+	  fi; \
+	fi; \
+	if test -n "$$am__remaking_logs"; then \
+	  echo "fatal: making $(TEST_SUITE_LOG): possible infinite" \
+	       "recursion detected" >&2; \
+	elif test -n "$$redo_logs"; then \
+	  am__remaking_logs=yes $(MAKE) $(AM_MAKEFLAGS) $$redo_logs; \
+	fi; \
+	if $(am__make_dryrun); then :; else \
+	  st=0;  \
+	  errmsg="fatal: making $(TEST_SUITE_LOG): failed to create"; \
+	  for i in $$redo_bases; do \
+	    test -f $$i.trs && test -r $$i.trs \
+	      || { echo "$$errmsg $$i.trs" >&2; st=1; }; \
+	    test -f $$i.log && test -r $$i.log \
+	      || { echo "$$errmsg $$i.log" >&2; st=1; }; \
+	  done; \
+	  test $$st -eq 0 || exit 1; \
+	fi
+	@$(am__sh_e_setup); $(am__tty_colors); $(am__set_TESTS_bases); \
+	ws='[ 	]'; \
+	results=`for b in $$bases; do echo $$b.trs; done`; \
+	test -n "$$results" || results=/dev/null; \
+	all=`  grep "^$$ws*:test-result:"           $$results | wc -l`; \
+	pass=` grep "^$$ws*:test-result:$$ws*PASS"  $$results | wc -l`; \
+	fail=` grep "^$$ws*:test-result:$$ws*FAIL"  $$results | wc -l`; \
+	skip=` grep "^$$ws*:test-result:$$ws*SKIP"  $$results | wc -l`; \
+	xfail=`grep "^$$ws*:test-result:$$ws*XFAIL" $$results | wc -l`; \
+	xpass=`grep "^$$ws*:test-result:$$ws*XPASS" $$results | wc -l`; \
+	error=`grep "^$$ws*:test-result:$$ws*ERROR" $$results | wc -l`; \
+	if test `expr $$fail + $$xpass + $$error` -eq 0; then \
+	  success=true; \
+	else \
+	  success=false; \
+	fi; \
+	br='==================='; br=$$br$$br$$br$$br; \
+	result_count () \
+	{ \
+	    if test x"$$1" = x"--maybe-color"; then \
+	      maybe_colorize=yes; \
+	    elif test x"$$1" = x"--no-color"; then \
+	      maybe_colorize=no; \
+	    else \
+	      echo "$@: invalid 'result_count' usage" >&2; exit 4; \
+	    fi; \
+	    shift; \
+	    desc=$$1 count=$$2; \
+	    if test $$maybe_colorize = yes && test $$count -gt 0; then \
+	      color_start=$$3 color_end=$$std; \
+	    else \
+	      color_start= color_end=; \
+	    fi; \
+	    echo "$${color_start}# $$desc $$count$${color_end}"; \
+	}; \
+	create_testsuite_report () \
+	{ \
+	  result_count $$1 "TOTAL:" $$all   "$$brg"; \
+	  result_count $$1 "PASS: " $$pass  "$$grn"; \
+	  result_count $$1 "SKIP: " $$skip  "$$blu"; \
+	  result_count $$1 "XFAIL:" $$xfail "$$lgn"; \
+	  result_count $$1 "FAIL: " $$fail  "$$red"; \
+	  result_count $$1 "XPASS:" $$xpass "$$red"; \
+	  result_count $$1 "ERROR:" $$error "$$mgn"; \
+	}; \
+	{								\
+	  echo "$(PACKAGE_STRING): $(subdir)/$(TEST_SUITE_LOG)" |	\
+	    $(am__rst_title);						\
+	  create_testsuite_report --no-color;				\
+	  echo;								\
+	  echo ".. contents:: :depth: 2";				\
+	  echo;								\
+	  for b in $$bases; do echo $$b; done				\
+	    | $(am__create_global_log);					\
+	} >$(TEST_SUITE_LOG).tmp || exit 1;				\
+	mv $(TEST_SUITE_LOG).tmp $(TEST_SUITE_LOG);			\
+	if $$success; then						\
+	  col="$$grn";							\
+	 else								\
+	  col="$$red";							\
+	  test x"$$VERBOSE" = x || cat $(TEST_SUITE_LOG);		\
+	fi;								\
+	echo "$${col}$$br$${std}"; 					\
+	echo "$${col}Testsuite summary for $(PACKAGE_STRING)$${std}";	\
+	echo "$${col}$$br$${std}"; 					\
+	create_testsuite_report --maybe-color;				\
+	echo "$$col$$br$$std";						\
+	if $$success; then :; else					\
+	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG)$${std}";		\
+	  if test -n "$(PACKAGE_BUGREPORT)"; then			\
+	    echo "$${col}Please report to $(PACKAGE_BUGREPORT)$${std}";	\
+	  fi;								\
+	  echo "$$col$$br$$std";					\
+	fi;								\
+	$$success || exit 1
+
+check-TESTS:
+	@list='$(RECHECK_LOGS)';           test -z "$$list" || rm -f $$list
+	@list='$(RECHECK_LOGS:.log=.trs)'; test -z "$$list" || rm -f $$list
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	trs_list=`for i in $$bases; do echo $$i.trs; done`; \
+	log_list=`echo $$log_list`; trs_list=`echo $$trs_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) TEST_LOGS="$$log_list"; \
+	exit $$?;
+recheck: all 
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	bases=`for i in $$bases; do echo $$i; done \
+	         | $(am__list_recheck_tests)` || exit 1; \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	log_list=`echo $$log_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) \
+	        am__force_recheck=am--force-recheck \
+	        TEST_LOGS="$$log_list"; \
+	exit $$?
+test_runner_epoll.log: test_runner_epoll
+	@p='test_runner_epoll'; \
+	b='test_runner_epoll'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_select.log: test_runner_select
+	@p='test_runner_select'; \
+	b='test_runner_select'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_kqueue.log: test_runner_kqueue
+	@p='test_runner_kqueue'; \
+	b='test_runner_kqueue'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_evport.log: test_runner_evport
+	@p='test_runner_evport'; \
+	b='test_runner_evport'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_devpoll.log: test_runner_devpoll
+	@p='test_runner_devpoll'; \
+	b='test_runner_devpoll'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_poll.log: test_runner_poll
+	@p='test_runner_poll'; \
+	b='test_runner_poll'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_win32.log: test_runner_win32
+	@p='test_runner_win32'; \
+	b='test_runner_win32'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_timerfd.log: test_runner_timerfd
+	@p='test_runner_timerfd'; \
+	b='test_runner_timerfd'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_changelist.log: test_runner_changelist
+	@p='test_runner_changelist'; \
+	b='test_runner_changelist'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+test_runner_timerfd_changelist.log: test_runner_timerfd_changelist
+	@p='test_runner_timerfd_changelist'; \
+	b='test_runner_timerfd_changelist'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+@am__EXEEXT_TRUE@.test$(EXEEXT).log:
+@am__EXEEXT_TRUE@	@p='$<'; \
+@am__EXEEXT_TRUE@	$(am__set_b); \
+@am__EXEEXT_TRUE@	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+@am__EXEEXT_TRUE@	--log-file $$b.log --trs-file $$b.trs \
+@am__EXEEXT_TRUE@	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+@am__EXEEXT_TRUE@	"$$tst" $(AM_TESTS_FD_REDIRECT)
+
 distdir: $(DISTFILES)
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
@@ -1022,31 +2407,6 @@
 	    || exit 1; \
 	  fi; \
 	done
-	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
-	  if test "$$subdir" = .; then :; else \
-	    $(am__make_dryrun) \
-	      || test -d "$(distdir)/$$subdir" \
-	      || $(MKDIR_P) "$(distdir)/$$subdir" \
-	      || exit 1; \
-	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
-	    $(am__relativize); \
-	    new_distdir=$$reldir; \
-	    dir1=$$subdir; dir2="$(top_distdir)"; \
-	    $(am__relativize); \
-	    new_top_distdir=$$reldir; \
-	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
-	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
-	    ($(am__cd) $$subdir && \
-	      $(MAKE) $(AM_MAKEFLAGS) \
-	        top_distdir="$$new_top_distdir" \
-	        distdir="$$new_distdir" \
-		am__remove_distdir=: \
-		am__skip_length_check=: \
-		am__skip_mode_fix=: \
-	        distdir) \
-	      || exit 1; \
-	  fi; \
-	done
 	-test -n "$(am__skip_mode_fix)" \
 	|| find "$(distdir)" -type d ! -perm -755 \
 		-exec chmod u+rwx,go+rx {} \; -o \
@@ -1055,7 +2415,7 @@
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)
 
 dist-bzip2: distdir
@@ -1071,11 +2431,17 @@
 	$(am__post_remove_distdir)
 
 dist-tarZ: distdir
+	@echo WARNING: "Support for distribution archives compressed with" \
+		       "legacy program 'compress' is deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
 	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
 	$(am__post_remove_distdir)
 
 dist-shar: distdir
-	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
+	@echo WARNING: "Support for shar distribution archives is" \
+	               "deprecated." >&2
+	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
+	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)
 
 dist-zip: distdir
@@ -1093,7 +2459,7 @@
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -1103,22 +2469,23 @@
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac
-	chmod -R a-w $(distdir); chmod u+w $(distdir)
-	mkdir $(distdir)/_build
-	mkdir $(distdir)/_inst
+	chmod -R a-w $(distdir)
+	chmod u+w $(distdir)
+	mkdir $(distdir)/_build $(distdir)/_build/sub $(distdir)/_inst
 	chmod a-w $(distdir)
 	test -d $(distdir)/_build || exit 0; \
 	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
 	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
 	  && am__cwd=`pwd` \
-	  && $(am__cd) $(distdir)/_build \
-	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
+	  && $(am__cd) $(distdir)/_build/sub \
+	  && ../../configure \
 	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
 	    $(DISTCHECK_CONFIGURE_FLAGS) \
+	    --srcdir=../.. --prefix="$$dc_install_base" \
 	  && $(MAKE) $(AM_MAKEFLAGS) \
 	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
 	  && $(MAKE) $(AM_MAKEFLAGS) check \
@@ -1172,24 +2539,25 @@
 	       $(distcleancheck_listfiles) ; \
 	       exit 1; } >&2
 check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
 check: $(BUILT_SOURCES)
-	$(MAKE) $(AM_MAKEFLAGS) check-recursive
-all-am: Makefile $(LTLIBRARIES) $(SCRIPTS) $(DATA) $(HEADERS) config.h
-installdirs: installdirs-recursive
-installdirs-am:
-	for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(includedir)"; do \
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile $(LTLIBRARIES) $(PROGRAMS) $(SCRIPTS) $(DATA) \
+		$(HEADERS) config.h evconfig-private.h
+installdirs:
+	for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(includedir)" "$(DESTDIR)$(include_event2dir)" "$(DESTDIR)$(include_event2dir)"; do \
 	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
 	done
 install: $(BUILT_SOURCES)
-	$(MAKE) $(AM_MAKEFLAGS) install-recursive
-install-exec: install-exec-recursive
-install-data: install-data-recursive
-uninstall: uninstall-recursive
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
 
 install-am: all-am
 	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
 
-installcheck: installcheck-recursive
+installcheck: installcheck-am
 install-strip:
 	if test -z '$(STRIP)'; then \
 	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
@@ -1201,124 +2569,173 @@
 	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
 	fi
 mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
 
 clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
 
 distclean-generic:
 	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
 	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-rm -f sample/$(DEPDIR)/$(am__dirstamp)
+	-rm -f sample/$(am__dirstamp)
+	-rm -f test/$(DEPDIR)/$(am__dirstamp)
+	-rm -f test/$(am__dirstamp)
 	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
 	@echo "it deletes files that may require special tools to rebuild."
 	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
-clean: clean-recursive
+clean: clean-am
 
 clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
-	clean-noinstLTLIBRARIES mostlyclean-am
+	clean-noinstLTLIBRARIES clean-noinstPROGRAMS mostlyclean-am
 
-distclean: distclean-recursive
+distclean: distclean-am
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -rf $(DEPDIR) ./$(DEPDIR)
+	-rm -rf $(DEPDIR) ./$(DEPDIR) sample/$(DEPDIR) test/$(DEPDIR)
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-libtool distclean-tags
 
-dvi: dvi-recursive
+dvi: dvi-am
 
 dvi-am:
 
-html: html-recursive
+html: html-am
 
 html-am:
 
-info: info-recursive
+info: info-am
 
 info-am:
 
-install-data-am: install-includeHEADERS install-pkgconfigDATA
+install-data-am: install-includeHEADERS install-include_event2HEADERS \
+	install-nodist_include_event2HEADERS install-pkgconfigDATA
 
-install-dvi: install-dvi-recursive
+install-dvi: install-dvi-am
 
 install-dvi-am:
 
 install-exec-am: install-dist_binSCRIPTS install-libLTLIBRARIES
 
-install-html: install-html-recursive
+install-html: install-html-am
 
 install-html-am:
 
-install-info: install-info-recursive
+install-info: install-info-am
 
 install-info-am:
 
 install-man:
 
-install-pdf: install-pdf-recursive
+install-pdf: install-pdf-am
 
 install-pdf-am:
 
-install-ps: install-ps-recursive
+install-ps: install-ps-am
 
 install-ps-am:
 
 installcheck-am:
 
-maintainer-clean: maintainer-clean-recursive
+maintainer-clean: maintainer-clean-am
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
 	-rm -rf $(top_srcdir)/autom4te.cache
-	-rm -rf $(DEPDIR) ./$(DEPDIR)
+	-rm -rf $(DEPDIR) ./$(DEPDIR) sample/$(DEPDIR) test/$(DEPDIR)
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
 
-mostlyclean: mostlyclean-recursive
+mostlyclean: mostlyclean-am
 
 mostlyclean-am: mostlyclean-compile mostlyclean-generic \
 	mostlyclean-libtool
 
-pdf: pdf-recursive
+pdf: pdf-am
 
 pdf-am:
 
-ps: ps-recursive
+ps: ps-am
 
 ps-am:
 
 uninstall-am: uninstall-dist_binSCRIPTS uninstall-includeHEADERS \
-	uninstall-libLTLIBRARIES uninstall-pkgconfigDATA
+	uninstall-include_event2HEADERS uninstall-libLTLIBRARIES \
+	uninstall-nodist_include_event2HEADERS uninstall-pkgconfigDATA
 
-.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all check \
-	cscopelist-recursive ctags-recursive install install-am \
-	install-strip tags-recursive
+.MAKE: all check check-am install install-am install-strip
 
-.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
-	all all-am am--refresh check check-am clean clean-cscope \
-	clean-generic clean-libLTLIBRARIES clean-libtool \
-	clean-noinstLTLIBRARIES cscope cscopelist cscopelist-recursive \
-	ctags ctags-recursive dist dist-all dist-bzip2 dist-gzip \
-	dist-lzip dist-shar dist-tarZ dist-xz dist-zip distcheck \
-	distclean distclean-compile distclean-generic distclean-hdr \
-	distclean-libtool distclean-tags distcleancheck distdir \
-	distuninstallcheck dvi dvi-am html html-am info info-am \
-	install install-am install-data install-data-am \
+.PHONY: CTAGS GTAGS TAGS all all-am am--refresh check check-TESTS \
+	check-am clean clean-cscope clean-generic clean-libLTLIBRARIES \
+	clean-libtool clean-noinstLTLIBRARIES clean-noinstPROGRAMS \
+	cscope cscopelist-am ctags ctags-am dist dist-all dist-bzip2 \
+	dist-gzip dist-lzip dist-shar dist-tarZ dist-xz dist-zip \
+	distcheck distclean distclean-compile distclean-generic \
+	distclean-hdr distclean-libtool distclean-tags distcleancheck \
+	distdir distuninstallcheck dvi dvi-am html html-am info \
+	info-am install install-am install-data install-data-am \
 	install-dist_binSCRIPTS install-dvi install-dvi-am \
 	install-exec install-exec-am install-html install-html-am \
-	install-includeHEADERS install-info install-info-am \
-	install-libLTLIBRARIES install-man install-pdf install-pdf-am \
-	install-pkgconfigDATA install-ps install-ps-am install-strip \
-	installcheck installcheck-am installdirs installdirs-am \
+	install-includeHEADERS install-include_event2HEADERS \
+	install-info install-info-am install-libLTLIBRARIES \
+	install-man install-nodist_include_event2HEADERS install-pdf \
+	install-pdf-am install-pkgconfigDATA install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
 	maintainer-clean maintainer-clean-generic mostlyclean \
 	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags tags-recursive uninstall uninstall-am \
-	uninstall-dist_binSCRIPTS uninstall-includeHEADERS \
-	uninstall-libLTLIBRARIES uninstall-pkgconfigDATA
+	pdf pdf-am ps ps-am recheck tags tags-am uninstall \
+	uninstall-am uninstall-dist_binSCRIPTS \
+	uninstall-includeHEADERS uninstall-include_event2HEADERS \
+	uninstall-libLTLIBRARIES \
+	uninstall-nodist_include_event2HEADERS uninstall-pkgconfigDATA
 
+.PRECIOUS: Makefile
+
+
+$(SAMPLES) : libevent.la
+
+test_runner_epoll: test/test.sh
+	test/test.sh -b EPOLL
+test_runner_select: test/test.sh
+	test/test.sh -b SELECT
+test_runner_kqueue: test/test.sh
+	test/test.sh -b KQUEUE
+test_runner_evport: test/test.sh
+	test/test.sh -b EVPORT
+test_runner_devpoll: test/test.sh
+	test/test.sh -b DEVPOLL
+test_runner_poll: test/test.sh
+	test/test.sh -b POLL
+test_runner_win32: test/test.sh
+	test/test.sh -b WIN32
+test_runner_timerfd: test/test.sh
+	test/test.sh -b "" -t
+test_runner_changelist: test/test.sh
+	test/test.sh -b "" -c
+test_runner_timerfd_changelist: test/test.sh
+	test/test.sh -b "" -T
+
+test/regress.gen.c test/regress.gen.h: test/rpcgen-attempted
+
+test/rpcgen-attempted: test/regress.rpc event_rpcgen.py test/rpcgen_wrapper.sh
+	$(AM_V_GEN)date -u > $@
+	$(AM_V_at)if $(srcdir)/test/rpcgen_wrapper.sh $(srcdir)/test; then \
+	   true; \
+	else \
+	   echo "No Python installed; stubbing out RPC test." >&2; \
+	   echo " "> test/regress.gen.c; \
+	   echo "#define NO_PYTHON_EXISTS" > test/regress.gen.h; \
+	fi
+
+$(TESTPROGRAMS) : libevent.la
 
 include/event2/event-config.h: config.h make-event-config.sed
-	test -d include/event2 || $(MKDIR_P) include/event2
-	$(SED) -f $(srcdir)/make-event-config.sed < config.h > $@T
-	mv -f $@T $@
+	$(AM_V_GEN)test -d include/event2 || $(MKDIR_P) include/event2
+	$(AM_V_at)$(SED) -f $(srcdir)/make-event-config.sed < config.h > $@T
+	$(AM_V_at)mv -f $@T $@
 
 verify: check
 
diff --git a/Makefile.nmake b/Makefile.nmake
index 4cd04c1..f27cd61 100644
--- a/Makefile.nmake
+++ b/Makefile.nmake
@@ -1,8 +1,26 @@
-# WATCH OUT!  This makefile is a work in progress.  It is probably missing
-# tons of important things.  DO NOT RELY ON IT TO BUILD A GOOD LIBEVENT.
+# WATCH OUT!  This makefile is a work in progress.             -*- makefile -*-
+#
+# I'm not very knowledgeable about MSVC and nmake beyond their most basic
+# aspects.  If anything here looks wrong to you, please let me know.
+
+# If OPENSSL_DIR is not set, builds without OpenSSL support.  If you want
+# OpenSSL support, you can set the OPENSSL_DIR variable to where you
+# installed OpenSSL.  This can be done in the environment:
+#   set OPENSSL_DIR=c:\openssl
+# Or on the nmake command line:
+#   nmake OPENSSL_DIR=C:\openssl -f Makefile.nmake
+# Or by uncommenting the following line here in the makefile...
+
+# OPENSSL_DIR=c:\openssl
+
+!IFDEF OPENSSL_DIR
+SSL_CFLAGS=/I$(OPENSSL_DIR)\include /DEVENT__HAVE_OPENSSL
+!ELSE
+SSL_CFLAGS=
+!ENDIF
 
 # Needed for correctness
-CFLAGS=/IWIN32-Code /Iinclude /Icompat /DWIN32 /DHAVE_CONFIG_H /I.
+CFLAGS=/IWIN32-Code /IWIN32-Code/nmake /Iinclude /Icompat /DHAVE_CONFIG_H /I. $(SSL_CFLAGS)
 
 # For optimization and warnings
 CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo
@@ -14,13 +32,21 @@
 CORE_OBJS=event.obj buffer.obj bufferevent.obj bufferevent_sock.obj \
 	bufferevent_pair.obj listener.obj evmap.obj log.obj evutil.obj \
 	strlcpy.obj signal.obj bufferevent_filter.obj evthread.obj \
-	bufferevent_ratelim.obj evutil_rand.obj
+	bufferevent_ratelim.obj evutil_rand.obj evutil_time.obj
 WIN_OBJS=win32select.obj evthread_win32.obj buffer_iocp.obj \
 	event_iocp.obj bufferevent_async.obj
 EXTRA_OBJS=event_tagging.obj http.obj evdns.obj evrpc.obj
 
-ALL_OBJS=$(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS)
-STATIC_LIBS=libevent_core.lib libevent_extras.lib libevent.lib
+!IFDEF OPENSSL_DIR
+SSL_OBJS=bufferevent_openssl.obj
+SSL_LIBS=libevent_openssl.lib
+!ELSE
+SSL_OBJS=
+SSL_LIBS=
+!ENDIF
+
+ALL_OBJS=$(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS) $(SSL_OBJS)
+STATIC_LIBS=libevent_core.lib libevent_extras.lib libevent.lib $(SSL_LIBS)
 
 
 all: static_libs tests
@@ -36,12 +62,21 @@
 libevent.lib: $(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS)
 	lib $(LIBFLAGS) $(CORE_OBJS) $(EXTRA_OBJS) $(WIN_OBJS) /out:libevent.lib
 
+libevent_openssl.lib: $(SSL_OBJS)
+	lib $(LIBFLAGS) $(SSL_OBJS) /out:libevent_openssl.lib
+
 clean:
 	del $(ALL_OBJS)
 	del $(STATIC_LIBS)
 	cd test
 	$(MAKE) /F Makefile.nmake clean
+	cd ..
 
 tests:
 	cd test
+!IFDEF OPENSSL_DIR
+	$(MAKE) OPENSSL_DIR=$(OPENSSL_DIR) /F Makefile.nmake
+!ELSE
 	$(MAKE) /F Makefile.nmake
+!ENDIF
+	cd ..
diff --git a/README b/README
deleted file mode 100644
index 23b769f..0000000
--- a/README
+++ /dev/null
@@ -1,198 +0,0 @@
-0. BUILDING AND INSTALLATION (Briefly)
-
-$ ./configure
-$ make
-$ make verify   # (optional)
-$ sudo make install
-
-1. BUILDING AND INSTALLATION (In Depth)
-
-To build libevent, type
-
-$ ./configure && make
-
-     (If you got libevent from the git repository, you will
-      first need to run the included "autogen.sh" script in order to
-      generate the configure script.)
-
-You can run the regression tests by running
-
-$ make verify
-
-Install as root via
-
-# make install
-
-Before, reporting any problems, please run the regression tests.
-
-To enable the low-level tracing build the library as:
-
-   CFLAGS=-DUSE_DEBUG ./configure [...]
-
-Standard configure flags should work.  In particular, see:
-
-   --disable-shared          Only build static libraries
-   --prefix                  Install all files relative to this directory.
-
-
-The configure script also supports the following flags:
-
-   --enable-gcc-warnings     Enable extra compiler checking with GCC.
-   --disable-malloc-replacement
-                             Don't let applications replace our memory
-                             management functions
-   --disable-openssl         Disable support for OpenSSL encryption.
-   --disable-thread-support  Don't support multithreaded environments.
-
-2. USEFUL LINKS:
-
-For the latest released version of Libevent, see the official website at
-http://libevent.org/ .
-
-There's a pretty good work-in-progress manual up at
-   http://www.wangafu.net/~nickm/libevent-book/ .
-
-For the latest development versions of Libevent, access our Git repository
-via
-   "git clone git://levent.git.sourceforge.net/gitroot/levent/libevent"
-
-You can browse the git repository online at
-http://levent.git.sourceforge.net/git/gitweb-index.cgi .
-
-To report bugs, request features, or submit patches to Libevent,
-use the Sourceforge trackers at
-https://sourceforge.net/tracker/?group_id=50884 .
-
-There's also a libevent-users mailing list for talking about Libevent
-use and development: http://archives.seul.org/libevent/users/
-
-3. ACKNOWLEDGMENTS
-
-The following people have helped with suggestions, ideas, code or
-fixing bugs:
-
-  Arno Bakker
-  Alejo
-  Weston Andros Adamson
-  William Ahern
-  Ivan Andropov
-  Sergey Avseyev
-  Avi Bab
-  Gilad Benjamini
-  Stas Bekman
-  Joachim Bauch
-  Denis Bilenko
-  Julien Blache
-  Kevin Bowling
-  Tomash Brechko
-  Kelly Brock
-  Ralph Castain
-  Adrian Chadd
-  Lawnstein Chan
-  Shuo Chen
-  Ka-Hing Cheung
-  Andrew Cox
-  George Danchev
-  Andrew Danforth
-  Antony Dovgal
-  Ed Day
-  Christopher Davis
-  Mike Davis
-  Mihai Draghicioiu
-  Mark Ellzey
-  Shie Erlich
-  Leonid Evdokimov
-  Juan Pablo Fernandez
-  Christophe Fillot
-  Mike Frysinger
-  Remi Gacogne
-  Alexander von Gernler
-  Artur Grabowski
-  Sebastian Hahn
-  Dave Hart
-  Greg Hazel
-  Michael Herf
-  Savg He
-  Mark Heily
-  Greg Hewgill
-  Andrew Hochhaus
-  Aaron Hopkins
-  Tani Hosokawa
-  Jamie Iles
-  Claudio Jeker
-  Evan Jones
-  George Kadianakis
-  Phua Keat
-  Kevin Ko
-  Brian Koehmstedt
-  Marko Kreen
-  Valery Kyholodov
-  Ross Lagerwall
-  Scott Lamb
-  Christopher Layne
-  Adam Langley
-  Philip Lewis
-  Zhou Li
-  David Libenzi
-  Yan Lin
-  Moshe Litvin
-  Simon Liu
-  Mitchell Livingston
-  Hagne Mahre
-  Lubomir Marinov
-  Abilio Marques
-  Nick Mathewson
-  James Mansion
-  Nicholas Marriott
-  Andrey Matveev
-  Caitlin Mercer
-  Dagobert Michelsen
-  Mansour Moufid
-  Felix Nawothnig
-  Trond Norbye
-  Linus Nordberg
-  Richard Nyberg
-  Jon Oberheide
-  Phil Oleson
-  Dave Pacheco
-  Tassilo von Parseval
-  Catalin Patulea
-  Patrick Pelletier
-  Simon Perreault
-  Pierre Phaneuf
-  Ryan Phillips
-  Dimitre Piskyulev
-  Pavel Plesov
-  Jon Poland
-  Nate R
-  Robert Ransom
-  Bert JW Regeer
-  Peter Rosin
-  Maseeb Abdul Qadir
-  Wang Qin
-  Alex S
-  Hanna Schroeter
-  Ralf Schmitt
-  Mike Smellie
-  Kevin Springborn
-  Harlan Stenn
-  Steve Snyder
-  Dug Song
-  Dongsheng Song
-  Hannes Sowa
-  Ferenc Szalai
-  Brodie Thiesfield
-  Jason Toffaletti
-  Gisle Vanem
-  Bas Verhoeven
-  Constantine Verutin
-  Colin Watt
-  Zack Weinberg
-  Jardel Weyrich
-  Alex
-  Taral
-  propanbutan
-  mmadia
-
-
-If we have forgotten your name, please contact us.
diff --git a/README.android b/README.android
index d9a4fa4..d4b29ee 100644
--- a/README.android
+++ b/README.android
@@ -1,15 +1,9 @@
-This is libevent-2.0.22-stable from http://libevent.org/.
+This is libevent-2.1.8-stable from http://libevent.org/.
 
 No changes were made apart from the following:
 
 * copied LICENSE to NOTICE
 * added empty MODULE_LICENSE_BSD_LIKE
-* Removed directories:
-  - WIN32-Code
-  - compat
-  - m4
-  - sample
-  - test
 * added Android.mk
 * added CleanSpec.mk
 * added missing include of event-internal.h to buffer.c
diff --git a/WIN32-Code/nmake/evconfig-private.h b/WIN32-Code/nmake/evconfig-private.h
new file mode 100644
index 0000000..88e2062
--- /dev/null
+++ b/WIN32-Code/nmake/evconfig-private.h
@@ -0,0 +1,6 @@
+#if !defined(EVENT_EVCONFIG__PRIVATE_H_) && !defined(__MINGW32__)
+#define EVENT_EVCONFIG__PRIVATE_H_
+
+/* Nothing to see here.  Move along. */
+
+#endif
diff --git a/WIN32-Code/nmake/event2/event-config.h b/WIN32-Code/nmake/event2/event-config.h
new file mode 100644
index 0000000..e6ed3aa
--- /dev/null
+++ b/WIN32-Code/nmake/event2/event-config.h
@@ -0,0 +1,360 @@
+/* event2/event-config.h
+ *
+ * This file was generated by autoconf when libevent was built, and post-
+ * processed by Libevent so that its macros would have a uniform prefix.
+ *
+ * DO NOT EDIT THIS FILE.
+ *
+ * Do not rely on macros in this file existing in later versions.
+ */
+#ifndef EVENT_CONFIG_H__
+#define EVENT_CONFIG_H__
+/* config.h.  Generated by configure.  */
+/* config.h.in.  Generated from configure.in by autoheader.  */
+
+/* Define if libevent should not allow replacing the mm functions */
+/* #undef EVENT__DISABLE_MM_REPLACEMENT */
+
+/* Define if libevent should not be compiled with thread support */
+/* #undef EVENT__DISABLE_THREAD_SUPPORT */
+
+/* Define if clock_gettime is available in libc */
+/* #undef _EVENT_DNS_USE_CPU_CLOCK_FOR_ID */
+
+/* Define is no secure id variant is available */
+/* #define _EVENT_DNS_USE_GETTIMEOFDAY_FOR_ID 1 */
+#define EVENT_DNS_USE_FTIME_FOR_ID_ 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+/* #undef EVENT__HAVE_ARPA_INET_H */
+
+/* Define to 1 if you have the `clock_gettime' function. */
+/* #undef EVENT__HAVE_CLOCK_GETTIME */
+
+/* Define if /dev/poll is available */
+/* #undef EVENT__HAVE_DEVPOLL */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef EVENT__HAVE_DLFCN_H */
+
+/* Define if your system supports the epoll system calls */
+/* #undef EVENT__HAVE_EPOLL */
+
+/* Define to 1 if you have the `epoll_ctl' function. */
+/* #undef EVENT__HAVE_EPOLL_CTL */
+
+/* Define to 1 if you have the `eventfd' function. */
+/* #undef EVENT__HAVE_EVENTFD */
+
+/* Define if your system supports event ports */
+/* #undef EVENT__HAVE_EVENT_PORTS */
+
+/* Define to 1 if you have the `fcntl' function. */
+/* #undef EVENT__HAVE_FCNTL */
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define EVENT__HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `getaddrinfo' function. */
+#define EVENT__HAVE_GETADDRINFO 1
+
+/* Define to 1 if you have the `getnameinfo' function. */
+#define EVENT__HAVE_GETNAMEINFO 1
+
+/* Define to 1 if you have the `getprotobynumber' function. */
+#define EVENT__HAVE_GETPROTOBYNUMBER 1
+
+/* Define to 1 if you have the `getservbyname' function. */
+#define EVENT__HAVE_GETSERVBYNAME 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+/* #define EVENT__HAVE_GETTIMEOFDAY 1 */
+
+/* Define to 1 if you have the `inet_ntop' function. */
+/* #undef EVENT__HAVE_INET_NTOP */
+
+/* Define to 1 if you have the `inet_pton' function. */
+/* #undef EVENT__HAVE_INET_PTON */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+/* #define EVENT__HAVE_INTTYPES_H 1 */
+
+/* Define to 1 if you have the `kqueue' function. */
+/* #undef EVENT__HAVE_KQUEUE */
+
+/* Define if the system has zlib */
+/* #undef EVENT__HAVE_LIBZ */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define EVENT__HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `mmap' function. */
+/* #undef EVENT__HAVE_MMAP */
+
+/* Define to 1 if you have the <netinet/in6.h> header file. */
+/* #undef EVENT__HAVE_NETINET_IN6_H */
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+/* #undef EVENT__HAVE_NETINET_IN_H */
+
+/* Define to 1 if you have the `pipe' function. */
+/* #undef EVENT__HAVE_PIPE */
+
+/* Define to 1 if you have the `poll' function. */
+/* #undef EVENT__HAVE_POLL */
+
+/* Define to 1 if you have the <poll.h> header file. */
+/* #undef EVENT__HAVE_POLL_H */
+
+/* Define to 1 if you have the `port_create' function. */
+/* #undef EVENT__HAVE_PORT_CREATE */
+
+/* Define to 1 if you have the <port.h> header file. */
+/* #undef EVENT__HAVE_PORT_H */
+
+/* Define if you have POSIX threads libraries and header files. */
+/* #undef EVENT__HAVE_PTHREAD */
+
+/* Define if we have pthreads on this system */
+/* #undef EVENT__HAVE_PTHREADS */
+
+/* Define to 1 if the system has the type `sa_family_t'. */
+/* #undef EVENT__HAVE_SA_FAMILY_T */
+
+/* Define to 1 if you have the `select' function. */
+/* #undef EVENT__HAVE_SELECT */
+
+/* Define to 1 if you have the `sendfile' function. */
+/* #undef EVENT__HAVE_SENDFILE */
+
+/* Define if F_SETFD is defined in <fcntl.h> */
+/* #undef EVENT__HAVE_SETFD */
+
+/* Define to 1 if you have the `sigaction' function. */
+/* #undef EVENT__HAVE_SIGACTION */
+
+/* Define to 1 if you have the `signal' function. */
+#define EVENT__HAVE_SIGNAL 1
+
+/* Define to 1 if you have the `splice' function. */
+/* #undef EVENT__HAVE_SPLICE */
+
+/* Define to 1 if you have the <stdarg.h> header file. */
+#define EVENT__HAVE_STDARG_H 1
+
+/* Define to 1 if you have the <stddef.h> header file. */
+#define EVENT__HAVE_STDDEF_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+/* #define EVENT__HAVE_STDINT_H 1 */
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define EVENT__HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define EVENT__HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define EVENT__HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strlcpy' function. */
+/* #undef EVENT__HAVE_STRLCPY */
+
+/* Define to 1 if you have the `strsep' function. */
+/* #undef EVENT__HAVE_STRSEP */
+
+/* Define to 1 if you have the `strtok_r' function. */
+/* #undef EVENT__HAVE_STRTOK_R */
+
+/* Define to 1 if you have the `strtoll' function. */
+/* #define EVENT__HAVE_STRTOLL 1 */
+
+#define EVENT__HAVE_STRUCT_ADDRINFO 1
+
+/* Define to 1 if the system has the type `struct in6_addr'. */
+#define EVENT__HAVE_STRUCT_IN6_ADDR 1
+
+/* Define to 1 if `s6_addr16' is member of `struct in6_addr'. */
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1
+
+/* Define to 1 if `s6_addr32' is member of `struct in6_addr'. */
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1
+
+/* Define to 1 if the system has the type `struct sockaddr_in6'. */
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN6 1
+
+/* Define to 1 if `sin6_len' is member of `struct sockaddr_in6'. */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */
+
+/* Define to 1 if `sin_len' is member of `struct sockaddr_in'. */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
+
+/* Define to 1 if the system has the type `struct sockaddr_storage'. */
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE 1
+
+/* Define to 1 if you have the <sys/devpoll.h> header file. */
+/* #undef EVENT__HAVE_SYS_DEVPOLL_H */
+
+/* Define to 1 if you have the <sys/epoll.h> header file. */
+/* #undef EVENT__HAVE_SYS_EPOLL_H */
+
+/* Define to 1 if you have the <sys/eventfd.h> header file. */
+/* #undef EVENT__HAVE_SYS_EVENTFD_H */
+
+/* Define to 1 if you have the <sys/event.h> header file. */
+/* #undef EVENT__HAVE_SYS_EVENT_H */
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+/* #undef EVENT__HAVE_SYS_IOCTL_H */
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+/* #undef EVENT__HAVE_SYS_MMAN_H */
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+/* #define EVENT__HAVE_SYS_PARAM_H 1 */
+
+/* Define to 1 if you have the <sys/queue.h> header file. */
+/* #undef EVENT__HAVE_SYS_QUEUE_H */
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+/* #undef EVENT__HAVE_SYS_SELECT_H */
+
+/* Define to 1 if you have the <sys/sendfile.h> header file. */
+/* #undef EVENT__HAVE_SYS_SENDFILE_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+/* #undef EVENT__HAVE_SYS_SOCKET_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define EVENT__HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+/* #define EVENT__HAVE_SYS_TIME_H 1 */
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define EVENT__HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+/* #undef EVENT__HAVE_SYS_UIO_H */
+
+/* Define if TAILQ_FOREACH is defined in <sys/queue.h> */
+/* #undef EVENT__HAVE_TAILQFOREACH */
+
+/* Define if timeradd is defined in <sys/time.h> */
+/* #undef EVENT__HAVE_TIMERADD */
+
+/* Define if timerclear is defined in <sys/time.h> */
+#define EVENT__HAVE_TIMERCLEAR 1
+
+/* Define if timercmp is defined in <sys/time.h> */
+#define EVENT__HAVE_TIMERCMP 1
+
+/* Define if timerisset is defined in <sys/time.h> */
+#define EVENT__HAVE_TIMERISSET 1
+
+/* Define to 1 if the system has the type `uint16_t'. */
+/* #define EVENT__HAVE_UINT16_T 1 */
+
+/* Define to 1 if the system has the type `uint32_t'. */
+/* #define EVENT__HAVE_UINT32_T 1 */
+
+/* Define to 1 if the system has the type `uint64_t'. */
+/* #define EVENT__HAVE_UINT64_T 1 */
+
+/* Define to 1 if the system has the type `uint8_t'. */
+/* #define EVENT__HAVE_UINT8_T 1 */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #define EVENT__HAVE_UNISTD_H 1 */
+
+/* Define to 1 if you have the `vasprintf' function. */
+/* #undef EVENT__HAVE_VASPRINTF */
+
+/* Define if kqueue works correctly with pipes */
+/* #undef EVENT__HAVE_WORKING_KQUEUE */
+
+/* Numeric representation of the version */
+#define EVENT__NUMERIC_VERSION 0x02010800
+
+/* Name of package */
+#define EVENT__PACKAGE "libevent"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define EVENT__PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define EVENT__PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define EVENT__PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define EVENT__PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define EVENT__PACKAGE_VERSION ""
+
+/* Define to necessary symbol if this constant uses a non-standard name on
+   your system. */
+/* #undef EVENT__PTHREAD_CREATE_JOINABLE */
+
+/* The size of a `int', as computed by sizeof. */
+#define EVENT__SIZEOF_INT 4
+
+/* The size of a `long', as computed by sizeof. */
+#define EVENT__SIZEOF_LONG 4
+
+/* The size of a `long long', as computed by sizeof. */
+#define EVENT__SIZEOF_LONG_LONG 8
+
+/* The size of a `short', as computed by sizeof. */
+#define EVENT__SIZEOF_SHORT 2
+
+/* The size of `size_t', as computed by sizeof. */
+#ifdef _WIN64
+#define EVENT__SIZEOF_SIZE_T 8
+#else
+#define EVENT__SIZEOF_SIZE_T 4
+#endif
+
+/* The size of `void *', as computed by sizeof. */
+#ifdef _WIN64
+#define EVENT__SIZEOF_VOID_P 8
+#else
+#define EVENT__SIZEOF_VOID_P 4
+#endif
+
+/* Define to 1 if you have the ANSI C header files. */
+#define EVENT__STDC_HEADERS 1
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define EVENT__TIME_WITH_SYS_TIME 1
+
+/* Version number of package */
+#define EVENT__VERSION "2.1.8-stable"
+
+/* Define to appropriate substitue if compiler doesnt have __func__ */
+#define EVENT____func__ __FUNCTION__
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef EVENT__const */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef _EVENT___cplusplus
+#define EVENT__inline __inline
+#endif
+
+/* Define to `int' if <sys/types.h> does not define. */
+/* #undef EVENT__pid_t */
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+/* #undef EVENT__size_t */
+
+/* Define to unsigned int if you dont have it */
+#define EVENT__socklen_t unsigned int
+
+/* Define to `int' if <sys/types.h> does not define. */
+#define EVENT__ssize_t SSIZE_T
+
+#endif
diff --git a/WIN32-Code/tree.h b/WIN32-Code/tree.h
new file mode 100644
index 0000000..2ccfbf2
--- /dev/null
+++ b/WIN32-Code/tree.h
@@ -0,0 +1,677 @@
+/*	$OpenBSD: tree.h,v 1.7 2002/10/17 21:51:54 art Exp $	*/
+/*
+ * Copyright 2002 Niels Provos <provos@citi.umich.edu>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef	_SYS_TREE_H_
+#define	_SYS_TREE_H_
+
+/*
+ * This file defines data structures for different types of trees:
+ * splay trees and red-black trees.
+ *
+ * A splay tree is a self-organizing data structure.  Every operation
+ * on the tree causes a splay to happen.  The splay moves the requested
+ * node to the root of the tree and partly rebalances it.
+ *
+ * This has the benefit that request locality causes faster lookups as
+ * the requested nodes move to the top of the tree.  On the other hand,
+ * every lookup causes memory writes.
+ *
+ * The Balance Theorem bounds the total access time for m operations
+ * and n inserts on an initially empty tree as O((m + n)lg n).  The
+ * amortized cost for a sequence of m accesses to a splay tree is O(lg n);
+ *
+ * A red-black tree is a binary search tree with the node color as an
+ * extra attribute.  It fulfills a set of conditions:
+ *	- every search path from the root to a leaf consists of the
+ *	  same number of black nodes,
+ *	- each red node (except for the root) has a black parent,
+ *	- each leaf node is black.
+ *
+ * Every operation on a red-black tree is bounded as O(lg n).
+ * The maximum height of a red-black tree is 2lg (n+1).
+ */
+
+#define SPLAY_HEAD(name, type)						\
+struct name {								\
+	struct type *sph_root; /* root of the tree */			\
+}
+
+#define SPLAY_INITIALIZER(root)						\
+	{ NULL }
+
+#define SPLAY_INIT(root) do {						\
+	(root)->sph_root = NULL;					\
+} while (0)
+
+#define SPLAY_ENTRY(type)						\
+struct {								\
+	struct type *spe_left; /* left element */			\
+	struct type *spe_right; /* right element */			\
+}
+
+#define SPLAY_LEFT(elm, field)		(elm)->field.spe_left
+#define SPLAY_RIGHT(elm, field)		(elm)->field.spe_right
+#define SPLAY_ROOT(head)		(head)->sph_root
+#define SPLAY_EMPTY(head)		(SPLAY_ROOT(head) == NULL)
+
+/* SPLAY_ROTATE_{LEFT,RIGHT} expect that tmp hold SPLAY_{RIGHT,LEFT} */
+#define SPLAY_ROTATE_RIGHT(head, tmp, field) do {			\
+	SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(tmp, field);	\
+	SPLAY_RIGHT(tmp, field) = (head)->sph_root;			\
+	(head)->sph_root = tmp;						\
+} while (0)
+
+#define SPLAY_ROTATE_LEFT(head, tmp, field) do {			\
+	SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(tmp, field);	\
+	SPLAY_LEFT(tmp, field) = (head)->sph_root;			\
+	(head)->sph_root = tmp;						\
+} while (0)
+
+#define SPLAY_LINKLEFT(head, tmp, field) do {				\
+	SPLAY_LEFT(tmp, field) = (head)->sph_root;			\
+	tmp = (head)->sph_root;						\
+	(head)->sph_root = SPLAY_LEFT((head)->sph_root, field);		\
+} while (0)
+
+#define SPLAY_LINKRIGHT(head, tmp, field) do {				\
+	SPLAY_RIGHT(tmp, field) = (head)->sph_root;			\
+	tmp = (head)->sph_root;						\
+	(head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);	\
+} while (0)
+
+#define SPLAY_ASSEMBLE(head, node, left, right, field) do {		\
+	SPLAY_RIGHT(left, field) = SPLAY_LEFT((head)->sph_root, field);	\
+	SPLAY_LEFT(right, field) = SPLAY_RIGHT((head)->sph_root, field);\
+	SPLAY_LEFT((head)->sph_root, field) = SPLAY_RIGHT(node, field);	\
+	SPLAY_RIGHT((head)->sph_root, field) = SPLAY_LEFT(node, field);	\
+} while (0)
+
+/* Generates prototypes and inline functions */
+
+#define SPLAY_PROTOTYPE(name, type, field, cmp)				\
+void name##_SPLAY(struct name *, struct type *);			\
+void name##_SPLAY_MINMAX(struct name *, int);				\
+struct type *name##_SPLAY_INSERT(struct name *, struct type *);		\
+struct type *name##_SPLAY_REMOVE(struct name *, struct type *);		\
+									\
+/* Finds the node with the same key as elm */				\
+static __inline struct type *						\
+name##_SPLAY_FIND(struct name *head, struct type *elm)			\
+{									\
+	if (SPLAY_EMPTY(head))						\
+		return(NULL);						\
+	name##_SPLAY(head, elm);					\
+	if ((cmp)(elm, (head)->sph_root) == 0)				\
+		return (head->sph_root);				\
+	return (NULL);							\
+}									\
+									\
+static __inline struct type *						\
+name##_SPLAY_NEXT(struct name *head, struct type *elm)			\
+{									\
+	name##_SPLAY(head, elm);					\
+	if (SPLAY_RIGHT(elm, field) != NULL) {				\
+		elm = SPLAY_RIGHT(elm, field);				\
+		while (SPLAY_LEFT(elm, field) != NULL) {		\
+			elm = SPLAY_LEFT(elm, field);			\
+		}							\
+	} else								\
+		elm = NULL;						\
+	return (elm);							\
+}									\
+									\
+static __inline struct type *						\
+name##_SPLAY_MIN_MAX(struct name *head, int val)			\
+{									\
+	name##_SPLAY_MINMAX(head, val);					\
+	return (SPLAY_ROOT(head));					\
+}
+
+/* Main splay operation.
+ * Moves node close to the key of elm to top
+ */
+#define SPLAY_GENERATE(name, type, field, cmp)				\
+struct type *								\
+name##_SPLAY_INSERT(struct name *head, struct type *elm)		\
+{									\
+    if (SPLAY_EMPTY(head)) {						\
+	    SPLAY_LEFT(elm, field) = SPLAY_RIGHT(elm, field) = NULL;	\
+    } else {								\
+	    int __comp;							\
+	    name##_SPLAY(head, elm);					\
+	    __comp = (cmp)(elm, (head)->sph_root);			\
+	    if(__comp < 0) {						\
+		    SPLAY_LEFT(elm, field) = SPLAY_LEFT((head)->sph_root, field);\
+		    SPLAY_RIGHT(elm, field) = (head)->sph_root;		\
+		    SPLAY_LEFT((head)->sph_root, field) = NULL;		\
+	    } else if (__comp > 0) {					\
+		    SPLAY_RIGHT(elm, field) = SPLAY_RIGHT((head)->sph_root, field);\
+		    SPLAY_LEFT(elm, field) = (head)->sph_root;		\
+		    SPLAY_RIGHT((head)->sph_root, field) = NULL;	\
+	    } else							\
+		    return ((head)->sph_root);				\
+    }									\
+    (head)->sph_root = (elm);						\
+    return (NULL);							\
+}									\
+									\
+struct type *								\
+name##_SPLAY_REMOVE(struct name *head, struct type *elm)		\
+{									\
+	struct type *__tmp;						\
+	if (SPLAY_EMPTY(head))						\
+		return (NULL);						\
+	name##_SPLAY(head, elm);					\
+	if ((cmp)(elm, (head)->sph_root) == 0) {			\
+		if (SPLAY_LEFT((head)->sph_root, field) == NULL) {	\
+			(head)->sph_root = SPLAY_RIGHT((head)->sph_root, field);\
+		} else {						\
+			__tmp = SPLAY_RIGHT((head)->sph_root, field);	\
+			(head)->sph_root = SPLAY_LEFT((head)->sph_root, field);\
+			name##_SPLAY(head, elm);			\
+			SPLAY_RIGHT((head)->sph_root, field) = __tmp;	\
+		}							\
+		return (elm);						\
+	}								\
+	return (NULL);							\
+}									\
+									\
+void									\
+name##_SPLAY(struct name *head, struct type *elm)			\
+{									\
+	struct type __node, *__left, *__right, *__tmp;			\
+	int __comp;							\
+\
+	SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\
+	__left = __right = &__node;					\
+\
+	while ((__comp = (cmp)(elm, (head)->sph_root))) {		\
+		if (__comp < 0) {					\
+			__tmp = SPLAY_LEFT((head)->sph_root, field);	\
+			if (__tmp == NULL)				\
+				break;					\
+			if ((cmp)(elm, __tmp) < 0){			\
+				SPLAY_ROTATE_RIGHT(head, __tmp, field);	\
+				if (SPLAY_LEFT((head)->sph_root, field) == NULL)\
+					break;				\
+			}						\
+			SPLAY_LINKLEFT(head, __right, field);		\
+		} else if (__comp > 0) {				\
+			__tmp = SPLAY_RIGHT((head)->sph_root, field);	\
+			if (__tmp == NULL)				\
+				break;					\
+			if ((cmp)(elm, __tmp) > 0){			\
+				SPLAY_ROTATE_LEFT(head, __tmp, field);	\
+				if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\
+					break;				\
+			}						\
+			SPLAY_LINKRIGHT(head, __left, field);		\
+		}							\
+	}								\
+	SPLAY_ASSEMBLE(head, &__node, __left, __right, field);		\
+}									\
+									\
+/* Splay with either the minimum or the maximum element			\
+ * Used to find minimum or maximum element in tree.			\
+ */									\
+void name##_SPLAY_MINMAX(struct name *head, int __comp) \
+{									\
+	struct type __node, *__left, *__right, *__tmp;			\
+\
+	SPLAY_LEFT(&__node, field) = SPLAY_RIGHT(&__node, field) = NULL;\
+	__left = __right = &__node;					\
+\
+	while (1) {							\
+		if (__comp < 0) {					\
+			__tmp = SPLAY_LEFT((head)->sph_root, field);	\
+			if (__tmp == NULL)				\
+				break;					\
+			if (__comp < 0){				\
+				SPLAY_ROTATE_RIGHT(head, __tmp, field);	\
+				if (SPLAY_LEFT((head)->sph_root, field) == NULL)\
+					break;				\
+			}						\
+			SPLAY_LINKLEFT(head, __right, field);		\
+		} else if (__comp > 0) {				\
+			__tmp = SPLAY_RIGHT((head)->sph_root, field);	\
+			if (__tmp == NULL)				\
+				break;					\
+			if (__comp > 0) {				\
+				SPLAY_ROTATE_LEFT(head, __tmp, field);	\
+				if (SPLAY_RIGHT((head)->sph_root, field) == NULL)\
+					break;				\
+			}						\
+			SPLAY_LINKRIGHT(head, __left, field);		\
+		}							\
+	}								\
+	SPLAY_ASSEMBLE(head, &__node, __left, __right, field);		\
+}
+
+#define SPLAY_NEGINF	-1
+#define SPLAY_INF	1
+
+#define SPLAY_INSERT(name, x, y)	name##_SPLAY_INSERT(x, y)
+#define SPLAY_REMOVE(name, x, y)	name##_SPLAY_REMOVE(x, y)
+#define SPLAY_FIND(name, x, y)		name##_SPLAY_FIND(x, y)
+#define SPLAY_NEXT(name, x, y)		name##_SPLAY_NEXT(x, y)
+#define SPLAY_MIN(name, x)		(SPLAY_EMPTY(x) ? NULL	\
+					: name##_SPLAY_MIN_MAX(x, SPLAY_NEGINF))
+#define SPLAY_MAX(name, x)		(SPLAY_EMPTY(x) ? NULL	\
+					: name##_SPLAY_MIN_MAX(x, SPLAY_INF))
+
+#define SPLAY_FOREACH(x, name, head)					\
+	for ((x) = SPLAY_MIN(name, head);				\
+	     (x) != NULL;						\
+	     (x) = SPLAY_NEXT(name, head, x))
+
+/* Macros that define a red-back tree */
+#define RB_HEAD(name, type)						\
+struct name {								\
+	struct type *rbh_root; /* root of the tree */			\
+}
+
+#define RB_INITIALIZER(root)						\
+	{ NULL }
+
+#define RB_INIT(root) do {						\
+	(root)->rbh_root = NULL;					\
+} while (0)
+
+#define RB_BLACK	0
+#define RB_RED		1
+#define RB_ENTRY(type)							\
+struct {								\
+	struct type *rbe_left;		/* left element */		\
+	struct type *rbe_right;		/* right element */		\
+	struct type *rbe_parent;	/* parent element */		\
+	int rbe_color;			/* node color */		\
+}
+
+#define RB_LEFT(elm, field)		(elm)->field.rbe_left
+#define RB_RIGHT(elm, field)		(elm)->field.rbe_right
+#define RB_PARENT(elm, field)		(elm)->field.rbe_parent
+#define RB_COLOR(elm, field)		(elm)->field.rbe_color
+#define RB_ROOT(head)			(head)->rbh_root
+#define RB_EMPTY(head)			(RB_ROOT(head) == NULL)
+
+#define RB_SET(elm, parent, field) do {					\
+	RB_PARENT(elm, field) = parent;					\
+	RB_LEFT(elm, field) = RB_RIGHT(elm, field) = NULL;		\
+	RB_COLOR(elm, field) = RB_RED;					\
+} while (0)
+
+#define RB_SET_BLACKRED(black, red, field) do {				\
+	RB_COLOR(black, field) = RB_BLACK;				\
+	RB_COLOR(red, field) = RB_RED;					\
+} while (0)
+
+#ifndef RB_AUGMENT
+#define RB_AUGMENT(x)
+#endif
+
+#define RB_ROTATE_LEFT(head, elm, tmp, field) do {			\
+	(tmp) = RB_RIGHT(elm, field);					\
+	if ((RB_RIGHT(elm, field) = RB_LEFT(tmp, field))) {		\
+		RB_PARENT(RB_LEFT(tmp, field), field) = (elm);		\
+	}								\
+	RB_AUGMENT(elm);						\
+	if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) {		\
+		if ((elm) == RB_LEFT(RB_PARENT(elm, field), field))	\
+			RB_LEFT(RB_PARENT(elm, field), field) = (tmp);	\
+		else							\
+			RB_RIGHT(RB_PARENT(elm, field), field) = (tmp);	\
+	} else								\
+		(head)->rbh_root = (tmp);				\
+	RB_LEFT(tmp, field) = (elm);					\
+	RB_PARENT(elm, field) = (tmp);					\
+	RB_AUGMENT(tmp);						\
+	if ((RB_PARENT(tmp, field)))					\
+		RB_AUGMENT(RB_PARENT(tmp, field));			\
+} while (0)
+
+#define RB_ROTATE_RIGHT(head, elm, tmp, field) do {			\
+	(tmp) = RB_LEFT(elm, field);					\
+	if ((RB_LEFT(elm, field) = RB_RIGHT(tmp, field))) {		\
+		RB_PARENT(RB_RIGHT(tmp, field), field) = (elm);		\
+	}								\
+	RB_AUGMENT(elm);						\
+	if ((RB_PARENT(tmp, field) = RB_PARENT(elm, field))) {		\
+		if ((elm) == RB_LEFT(RB_PARENT(elm, field), field))	\
+			RB_LEFT(RB_PARENT(elm, field), field) = (tmp);	\
+		else							\
+			RB_RIGHT(RB_PARENT(elm, field), field) = (tmp);	\
+	} else								\
+		(head)->rbh_root = (tmp);				\
+	RB_RIGHT(tmp, field) = (elm);					\
+	RB_PARENT(elm, field) = (tmp);					\
+	RB_AUGMENT(tmp);						\
+	if ((RB_PARENT(tmp, field)))					\
+		RB_AUGMENT(RB_PARENT(tmp, field));			\
+} while (0)
+
+/* Generates prototypes and inline functions */
+#define RB_PROTOTYPE(name, type, field, cmp)				\
+void name##_RB_INSERT_COLOR(struct name *, struct type *);	\
+void name##_RB_REMOVE_COLOR(struct name *, struct type *, struct type *);\
+struct type *name##_RB_REMOVE(struct name *, struct type *);		\
+struct type *name##_RB_INSERT(struct name *, struct type *);		\
+struct type *name##_RB_FIND(struct name *, struct type *);		\
+struct type *name##_RB_NEXT(struct type *);				\
+struct type *name##_RB_MINMAX(struct name *, int);			\
+									\
+
+/* Main rb operation.
+ * Moves node close to the key of elm to top
+ */
+#define RB_GENERATE(name, type, field, cmp)				\
+void									\
+name##_RB_INSERT_COLOR(struct name *head, struct type *elm)		\
+{									\
+	struct type *parent, *gparent, *tmp;				\
+	while ((parent = RB_PARENT(elm, field)) &&			\
+	    RB_COLOR(parent, field) == RB_RED) {			\
+		gparent = RB_PARENT(parent, field);			\
+		if (parent == RB_LEFT(gparent, field)) {		\
+			tmp = RB_RIGHT(gparent, field);			\
+			if (tmp && RB_COLOR(tmp, field) == RB_RED) {	\
+				RB_COLOR(tmp, field) = RB_BLACK;	\
+				RB_SET_BLACKRED(parent, gparent, field);\
+				elm = gparent;				\
+				continue;				\
+			}						\
+			if (RB_RIGHT(parent, field) == elm) {		\
+				RB_ROTATE_LEFT(head, parent, tmp, field);\
+				tmp = parent;				\
+				parent = elm;				\
+				elm = tmp;				\
+			}						\
+			RB_SET_BLACKRED(parent, gparent, field);	\
+			RB_ROTATE_RIGHT(head, gparent, tmp, field);	\
+		} else {						\
+			tmp = RB_LEFT(gparent, field);			\
+			if (tmp && RB_COLOR(tmp, field) == RB_RED) {	\
+				RB_COLOR(tmp, field) = RB_BLACK;	\
+				RB_SET_BLACKRED(parent, gparent, field);\
+				elm = gparent;				\
+				continue;				\
+			}						\
+			if (RB_LEFT(parent, field) == elm) {		\
+				RB_ROTATE_RIGHT(head, parent, tmp, field);\
+				tmp = parent;				\
+				parent = elm;				\
+				elm = tmp;				\
+			}						\
+			RB_SET_BLACKRED(parent, gparent, field);	\
+			RB_ROTATE_LEFT(head, gparent, tmp, field);	\
+		}							\
+	}								\
+	RB_COLOR(head->rbh_root, field) = RB_BLACK;			\
+}									\
+									\
+void									\
+name##_RB_REMOVE_COLOR(struct name *head, struct type *parent, struct type *elm) \
+{									\
+	struct type *tmp;						\
+	while ((elm == NULL || RB_COLOR(elm, field) == RB_BLACK) &&	\
+	    elm != RB_ROOT(head)) {					\
+		if (RB_LEFT(parent, field) == elm) {			\
+			tmp = RB_RIGHT(parent, field);			\
+			if (RB_COLOR(tmp, field) == RB_RED) {		\
+				RB_SET_BLACKRED(tmp, parent, field);	\
+				RB_ROTATE_LEFT(head, parent, tmp, field);\
+				tmp = RB_RIGHT(parent, field);		\
+			}						\
+			if ((RB_LEFT(tmp, field) == NULL ||		\
+			    RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\
+			    (RB_RIGHT(tmp, field) == NULL ||		\
+			    RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\
+				RB_COLOR(tmp, field) = RB_RED;		\
+				elm = parent;				\
+				parent = RB_PARENT(elm, field);		\
+			} else {					\
+				if (RB_RIGHT(tmp, field) == NULL ||	\
+				    RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK) {\
+					struct type *oleft;		\
+					if ((oleft = RB_LEFT(tmp, field)))\
+						RB_COLOR(oleft, field) = RB_BLACK;\
+					RB_COLOR(tmp, field) = RB_RED;	\
+					RB_ROTATE_RIGHT(head, tmp, oleft, field);\
+					tmp = RB_RIGHT(parent, field);	\
+				}					\
+				RB_COLOR(tmp, field) = RB_COLOR(parent, field);\
+				RB_COLOR(parent, field) = RB_BLACK;	\
+				if (RB_RIGHT(tmp, field))		\
+					RB_COLOR(RB_RIGHT(tmp, field), field) = RB_BLACK;\
+				RB_ROTATE_LEFT(head, parent, tmp, field);\
+				elm = RB_ROOT(head);			\
+				break;					\
+			}						\
+		} else {						\
+			tmp = RB_LEFT(parent, field);			\
+			if (RB_COLOR(tmp, field) == RB_RED) {		\
+				RB_SET_BLACKRED(tmp, parent, field);	\
+				RB_ROTATE_RIGHT(head, parent, tmp, field);\
+				tmp = RB_LEFT(parent, field);		\
+			}						\
+			if ((RB_LEFT(tmp, field) == NULL ||		\
+			    RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) &&\
+			    (RB_RIGHT(tmp, field) == NULL ||		\
+			    RB_COLOR(RB_RIGHT(tmp, field), field) == RB_BLACK)) {\
+				RB_COLOR(tmp, field) = RB_RED;		\
+				elm = parent;				\
+				parent = RB_PARENT(elm, field);		\
+			} else {					\
+				if (RB_LEFT(tmp, field) == NULL ||	\
+				    RB_COLOR(RB_LEFT(tmp, field), field) == RB_BLACK) {\
+					struct type *oright;		\
+					if ((oright = RB_RIGHT(tmp, field)))\
+						RB_COLOR(oright, field) = RB_BLACK;\
+					RB_COLOR(tmp, field) = RB_RED;	\
+					RB_ROTATE_LEFT(head, tmp, oright, field);\
+					tmp = RB_LEFT(parent, field);	\
+				}					\
+				RB_COLOR(tmp, field) = RB_COLOR(parent, field);\
+				RB_COLOR(parent, field) = RB_BLACK;	\
+				if (RB_LEFT(tmp, field))		\
+					RB_COLOR(RB_LEFT(tmp, field), field) = RB_BLACK;\
+				RB_ROTATE_RIGHT(head, parent, tmp, field);\
+				elm = RB_ROOT(head);			\
+				break;					\
+			}						\
+		}							\
+	}								\
+	if (elm)							\
+		RB_COLOR(elm, field) = RB_BLACK;			\
+}									\
+									\
+struct type *								\
+name##_RB_REMOVE(struct name *head, struct type *elm)			\
+{									\
+	struct type *child, *parent, *old = elm;			\
+	int color;							\
+	if (RB_LEFT(elm, field) == NULL)				\
+		child = RB_RIGHT(elm, field);				\
+	else if (RB_RIGHT(elm, field) == NULL)				\
+		child = RB_LEFT(elm, field);				\
+	else {								\
+		struct type *left;					\
+		elm = RB_RIGHT(elm, field);				\
+		while ((left = RB_LEFT(elm, field)))			\
+			elm = left;					\
+		child = RB_RIGHT(elm, field);				\
+		parent = RB_PARENT(elm, field);				\
+		color = RB_COLOR(elm, field);				\
+		if (child)						\
+			RB_PARENT(child, field) = parent;		\
+		if (parent) {						\
+			if (RB_LEFT(parent, field) == elm)		\
+				RB_LEFT(parent, field) = child;		\
+			else						\
+				RB_RIGHT(parent, field) = child;	\
+			RB_AUGMENT(parent);				\
+		} else							\
+			RB_ROOT(head) = child;				\
+		if (RB_PARENT(elm, field) == old)			\
+			parent = elm;					\
+		(elm)->field = (old)->field;				\
+		if (RB_PARENT(old, field)) {				\
+			if (RB_LEFT(RB_PARENT(old, field), field) == old)\
+				RB_LEFT(RB_PARENT(old, field), field) = elm;\
+			else						\
+				RB_RIGHT(RB_PARENT(old, field), field) = elm;\
+			RB_AUGMENT(RB_PARENT(old, field));		\
+		} else							\
+			RB_ROOT(head) = elm;				\
+		RB_PARENT(RB_LEFT(old, field), field) = elm;		\
+		if (RB_RIGHT(old, field))				\
+			RB_PARENT(RB_RIGHT(old, field), field) = elm;	\
+		if (parent) {						\
+			left = parent;					\
+			do {						\
+				RB_AUGMENT(left);			\
+			} while ((left = RB_PARENT(left, field)));	\
+		}							\
+		goto color;						\
+	}								\
+	parent = RB_PARENT(elm, field);					\
+	color = RB_COLOR(elm, field);					\
+	if (child)							\
+		RB_PARENT(child, field) = parent;			\
+	if (parent) {							\
+		if (RB_LEFT(parent, field) == elm)			\
+			RB_LEFT(parent, field) = child;			\
+		else							\
+			RB_RIGHT(parent, field) = child;		\
+		RB_AUGMENT(parent);					\
+	} else								\
+		RB_ROOT(head) = child;					\
+color:									\
+	if (color == RB_BLACK)						\
+		name##_RB_REMOVE_COLOR(head, parent, child);		\
+	return (old);							\
+}									\
+									\
+/* Inserts a node into the RB tree */					\
+struct type *								\
+name##_RB_INSERT(struct name *head, struct type *elm)			\
+{									\
+	struct type *tmp;						\
+	struct type *parent = NULL;					\
+	int comp = 0;							\
+	tmp = RB_ROOT(head);						\
+	while (tmp) {							\
+		parent = tmp;						\
+		comp = (cmp)(elm, parent);				\
+		if (comp < 0)						\
+			tmp = RB_LEFT(tmp, field);			\
+		else if (comp > 0)					\
+			tmp = RB_RIGHT(tmp, field);			\
+		else							\
+			return (tmp);					\
+	}								\
+	RB_SET(elm, parent, field);					\
+	if (parent != NULL) {						\
+		if (comp < 0)						\
+			RB_LEFT(parent, field) = elm;			\
+		else							\
+			RB_RIGHT(parent, field) = elm;			\
+		RB_AUGMENT(parent);					\
+	} else								\
+		RB_ROOT(head) = elm;					\
+	name##_RB_INSERT_COLOR(head, elm);				\
+	return (NULL);							\
+}									\
+									\
+/* Finds the node with the same key as elm */				\
+struct type *								\
+name##_RB_FIND(struct name *head, struct type *elm)			\
+{									\
+	struct type *tmp = RB_ROOT(head);				\
+	int comp;							\
+	while (tmp) {							\
+		comp = cmp(elm, tmp);					\
+		if (comp < 0)						\
+			tmp = RB_LEFT(tmp, field);			\
+		else if (comp > 0)					\
+			tmp = RB_RIGHT(tmp, field);			\
+		else							\
+			return (tmp);					\
+	}								\
+	return (NULL);							\
+}									\
+									\
+struct type *								\
+name##_RB_NEXT(struct type *elm)					\
+{									\
+	if (RB_RIGHT(elm, field)) {					\
+		elm = RB_RIGHT(elm, field);				\
+		while (RB_LEFT(elm, field))				\
+			elm = RB_LEFT(elm, field);			\
+	} else {							\
+		if (RB_PARENT(elm, field) &&				\
+		    (elm == RB_LEFT(RB_PARENT(elm, field), field)))	\
+			elm = RB_PARENT(elm, field);			\
+		else {							\
+			while (RB_PARENT(elm, field) &&			\
+			    (elm == RB_RIGHT(RB_PARENT(elm, field), field)))\
+				elm = RB_PARENT(elm, field);		\
+			elm = RB_PARENT(elm, field);			\
+		}							\
+	}								\
+	return (elm);							\
+}									\
+									\
+struct type *								\
+name##_RB_MINMAX(struct name *head, int val)				\
+{									\
+	struct type *tmp = RB_ROOT(head);				\
+	struct type *parent = NULL;					\
+	while (tmp) {							\
+		parent = tmp;						\
+		if (val < 0)						\
+			tmp = RB_LEFT(tmp, field);			\
+		else							\
+			tmp = RB_RIGHT(tmp, field);			\
+	}								\
+	return (parent);						\
+}
+
+#define RB_NEGINF	-1
+#define RB_INF	1
+
+#define RB_INSERT(name, x, y)	name##_RB_INSERT(x, y)
+#define RB_REMOVE(name, x, y)	name##_RB_REMOVE(x, y)
+#define RB_FIND(name, x, y)	name##_RB_FIND(x, y)
+#define RB_NEXT(name, x, y)	name##_RB_NEXT(y)
+#define RB_MIN(name, x)		name##_RB_MINMAX(x, RB_NEGINF)
+#define RB_MAX(name, x)		name##_RB_MINMAX(x, RB_INF)
+
+#define RB_FOREACH(x, name, head)					\
+	for ((x) = RB_MIN(name, head);					\
+	     (x) != NULL;						\
+	     (x) = name##_RB_NEXT(x))
+
+#endif	/* _SYS_TREE_H_ */
diff --git a/aclocal.m4 b/aclocal.m4
index 7c56e15..402effb 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.12.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.15 -*- Autoconf -*-
 
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -11,6 +11,7 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
@@ -19,24 +20,22 @@
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
 
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_AUTOMAKE_VERSION(VERSION)
 # ----------------------------
 # Automake X.Y traces this macro to ensure aclocal.m4 has been
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.12'
+[am__api_version='1.15'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.12.2], [],
+m4_if([$1], [1.15], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -52,21 +51,19 @@
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.12.2])dnl
+[AM_AUTOMAKE_VERSION([1.15])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
 # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
 # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
@@ -106,22 +103,19 @@
 # configured tree to be moved without reconfiguration.
 
 AC_DEFUN([AM_AUX_DIR_EXPAND],
-[dnl Rely on autoconf to set up CDPATH properly.
-AC_PREREQ([2.50])dnl
-# expand $ac_aux_dir to an absolute path
-am_aux_dir=`cd $ac_aux_dir && pwd`
+[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
 ])
 
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
-# Copyright (C) 1997-2012 Free Software Foundation, Inc.
+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 10
-
 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 # -------------------------------------
 # Define a conditional.
@@ -147,13 +141,12 @@
 Usually this means the macro was only invoked conditionally.]])
 fi])])
 
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 17
 
 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
 # written in clear, in which case automake, when reading aclocal.m4,
@@ -339,19 +332,18 @@
 
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
 
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 [{
-  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # Older Autoconf quotes --file arguments for eval, but not when files
   # are listed without --file.  Let's play safe and only enable the eval
   # if we detect the quoting.
   case $CONFIG_FILES in
@@ -380,7 +372,7 @@
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the
@@ -416,17 +408,21 @@
 
 # Do all the work for Automake.                             -*- Autoconf -*-
 
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 19
-
 # This macro actually does too much.  Some checks are only needed if
 # your package does certain things.  But this isn't really a big deal.
 
+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
+m4_define([AC_PROG_CC],
+m4_defn([AC_PROG_CC])
+[_AM_PROG_CC_C_O
+])
+
 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
 # AM_INIT_AUTOMAKE([OPTIONS])
 # -----------------------------------------------
@@ -439,7 +435,7 @@
 # arguments mandatory, and then we can depend on a new Autoconf
 # release and drop the old call support.
 AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_PREREQ([2.62])dnl
+[AC_PREREQ([2.65])dnl
 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 dnl the ones we care about.
 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
@@ -469,8 +465,7 @@
 dnl Distinguish between old-style and new-style calls.
 m4_ifval([$2],
 [AC_DIAGNOSE([obsolete],
-[$0: two- and three-arguments forms are deprecated.  For more info, see:
-http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_INIT_AUTOMAKE-invocation])
+             [$0: two- and three-arguments forms are deprecated.])
 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  AC_SUBST([PACKAGE], [$1])dnl
  AC_SUBST([VERSION], [$2])],
@@ -503,8 +498,8 @@
 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
-# We need awk for the "check" target.  The system "awk" is bad on
-# some platforms.
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
 AC_REQUIRE([AC_PROG_AWK])dnl
 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
@@ -524,21 +519,63 @@
 		  [_AM_DEPENDENCIES([OBJC])],
 		  [m4_define([AC_PROG_OBJC],
 			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
-dnl Support for Objective C++ was only introduced in Autoconf 2.65,
-dnl but we still cater to Autoconf 2.62.
-m4_ifdef([AC_PROG_OBJCXX],
-[AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
 		  [_AM_DEPENDENCIES([OBJCXX])],
 		  [m4_define([AC_PROG_OBJCXX],
-			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])])dnl
+			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
 ])
-_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
-dnl The 'parallel-tests' driver may need to know about EXEEXT, so add the
-dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
-dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
+dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
+dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
 AC_CONFIG_COMMANDS_PRE(dnl
 [m4_provide_if([_AM_COMPILER_EXEEXT],
   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
+dnl backward compatibility and to allow trailing 'dnl'-style comments
+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
 ])
 
 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
@@ -547,7 +584,6 @@
 m4_define([_AC_COMPILER_EXEEXT],
 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
 
-
 # When config.status generates a header, we must update the stamp-h file.
 # This file resides in the same directory as the config header
 # that is generated.  The stamp files are numbered to have different names.
@@ -569,20 +605,18 @@
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 8
-
 # AM_PROG_INSTALL_SH
 # ------------------
 # Define $install_sh.
 AC_DEFUN([AM_PROG_INSTALL_SH],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-if test x"${install_sh}" != xset; then
+if test x"${install_sh+set}" != xset; then
   case $am_aux_dir in
   *\ * | *\	*)
     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
@@ -592,14 +626,12 @@
 fi
 AC_SUBST([install_sh])])
 
-# Copyright (C) 2003-2012 Free Software Foundation, Inc.
+# Copyright (C) 2003-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
-
 # Check whether the underlying file-system supports filenames
 # with a leading dot.  For instance MS-DOS doesn't.
 AC_DEFUN([AM_SET_LEADING_DOT],
@@ -615,14 +647,12 @@
 
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
-
 # AM_MAKE_INCLUDE()
 # -----------------
 # Check to see how make treats includes.
@@ -665,50 +695,14 @@
 rm -f confinc confmf
 ])
 
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
-#
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# serial 6
-
-# AM_PROG_CC_C_O
-# --------------
-# Like AC_PROG_CC_C_O, but changed for automake.
-AC_DEFUN([AM_PROG_CC_C_O],
-[AC_REQUIRE([AC_PROG_CC_C_O])dnl
-AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-AC_REQUIRE_AUX_FILE([compile])dnl
-# FIXME: we rely on the cache variable name because
-# there is no other way.
-set dummy $CC
-am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
-if test "$am_t" != yes; then
-   # Losing compiler, so override with the script.
-   # FIXME: It is wrong to rewrite CC.
-   # But if we don't then we get into trouble of one sort or another.
-   # A longer-term fix would be to have automake use am__CC in this case,
-   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
-   CC="$am_aux_dir/compile $CC"
-fi
-dnl Make sure AC_PROG_CC is never called again, or it will override our
-dnl setting of CC.
-m4_define([AC_PROG_CC],
-          [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
-])
-
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# Copyright (C) 1997-2012 Free Software Foundation, Inc.
+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 7
-
 # AM_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------
 AC_DEFUN([AM_MISSING_PROG],
@@ -716,11 +710,10 @@
 $1=${$1-"${am_missing_run}$2"}
 AC_SUBST($1)])
 
-
 # AM_MISSING_HAS_RUN
 # ------------------
-# Define MISSING if not defined so far and test if it supports --run.
-# If it does, set am_missing_run to use it, otherwise, to nothing.
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
 AC_DEFUN([AM_MISSING_HAS_RUN],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 AC_REQUIRE_AUX_FILE([missing])dnl
@@ -733,8 +726,8 @@
   esac
 fi
 # Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
-  am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
 else
   am_missing_run=
   AC_MSG_WARN(['missing' script is too old or missing])
@@ -743,14 +736,12 @@
 
 # Helper functions for option handling.                     -*- Autoconf -*-
 
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 6
-
 # _AM_MANGLE_OPTION(NAME)
 # -----------------------
 AC_DEFUN([_AM_MANGLE_OPTION],
@@ -774,15 +765,77 @@
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 
-# Check to make sure that the build environment is sane.    -*- Autoconf -*-
-
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 9
+# _AM_PROG_CC_C_O
+# ---------------
+# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
+# to automatically call this.
+AC_DEFUN([_AM_PROG_CC_C_O],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+AC_LANG_PUSH([C])dnl
+AC_CACHE_CHECK(
+  [whether $CC understands -c and -o together],
+  [am_cv_prog_cc_c_o],
+  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i])
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+AC_LANG_POP([C])])
+
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
+
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_RUN_LOG(COMMAND)
+# -------------------
+# Run COMMAND, save the exit status in ac_status, and log it.
+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
+   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   (exit $ac_status); }])
+
+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
+
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 # AM_SANITY_CHECK
 # ---------------
@@ -859,13 +912,71 @@
 rm -f conftest.file
 ])
 
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2009-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 2
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Enable less verbose build rules; with the default set to DEFAULT
+# ("yes" being less verbose, "no" or empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_ARG_ENABLE([silent-rules], [dnl
+AS_HELP_STRING(
+  [--enable-silent-rules],
+  [less verbose build output (undo: "make V=1")])
+AS_HELP_STRING(
+  [--disable-silent-rules],
+  [verbose build output (undo: "make V=0")])dnl
+])
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
+esac
+dnl
+dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
+dnl do not support nested variable expansions.
+dnl See automake bug#9928 and bug#10237.
+am_make=${MAKE-make}
+AC_CACHE_CHECK([whether $am_make supports nested variables],
+   [am_cv_make_support_nested_variables],
+   [if AS_ECHO([['TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi])
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AC_SUBST([AM_V])dnl
+AM_SUBST_NOTMAKE([AM_V])dnl
+AC_SUBST([AM_DEFAULT_V])dnl
+AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
+AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
+AM_BACKSLASH='\'
+AC_SUBST([AM_BACKSLASH])dnl
+_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+])
+
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 # AM_PROG_INSTALL_STRIP
 # ---------------------
@@ -889,14 +1000,12 @@
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-# Copyright (C) 2006-2012 Free Software Foundation, Inc.
+# Copyright (C) 2006-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
@@ -910,14 +1019,12 @@
 
 # Check how to create a tarball.                            -*- Autoconf -*-
 
-# Copyright (C) 2004-2012 Free Software Foundation, Inc.
+# Copyright (C) 2004-2014 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
-
 # _AM_PROG_TAR(FORMAT)
 # --------------------
 # Check how to create a tarball in format FORMAT.
@@ -931,84 +1038,124 @@
 # Substitute a variable $(am__untar) that extract such
 # a tarball read from stdin.
 #     $(am__untar) < result.tar
+#
 AC_DEFUN([_AM_PROG_TAR],
 [# Always define AMTAR for backward compatibility.  Yes, it's still used
 # in the wild :-(  We should find a proper way to deprecate it ...
 AC_SUBST([AMTAR], ['$${TAR-tar}'])
-m4_if([$1], [v7],
-     [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
-     [m4_case([$1], [ustar],, [pax],,
-              [m4_fatal([Unknown tar format])])
-AC_MSG_CHECKING([how to create a $1 tar archive])
-# Loop over all known methods to create a tar archive until one works.
+
+# We'll loop over all known methods to create a tar archive until one works.
 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
-_am_tools=${am_cv_prog_tar_$1-$_am_tools}
-# Do not fold the above two line into one, because Tru64 sh and
-# Solaris sh will not grok spaces in the rhs of '-'.
-for _am_tool in $_am_tools
-do
-  case $_am_tool in
-  gnutar)
-    for _am_tar in tar gnutar gtar;
-    do
-      AM_RUN_LOG([$_am_tar --version]) && break
-    done
-    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
-    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
-    am__untar="$_am_tar -xf -"
-    ;;
-  plaintar)
-    # Must skip GNU tar: if it does not support --format= it doesn't create
-    # ustar tarball either.
-    (tar --version) >/dev/null 2>&1 && continue
-    am__tar='tar chf - "$$tardir"'
-    am__tar_='tar chf - "$tardir"'
-    am__untar='tar xf -'
-    ;;
-  pax)
-    am__tar='pax -L -x $1 -w "$$tardir"'
-    am__tar_='pax -L -x $1 -w "$tardir"'
-    am__untar='pax -r'
-    ;;
-  cpio)
-    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
-    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
-    am__untar='cpio -i -H $1 -d'
-    ;;
-  none)
-    am__tar=false
-    am__tar_=false
-    am__untar=false
-    ;;
-  esac
 
-  # If the value was cached, stop now.  We just wanted to have am__tar
-  # and am__untar set.
-  test -n "${am_cv_prog_tar_$1}" && break
+m4_if([$1], [v7],
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
 
-  # tar/untar a dummy directory, and stop if the command works
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+
+  [pax],
+    [],
+
+  [m4_fatal([Unknown tar format])])
+
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
+
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
+
+    # tar/untar a dummy directory, and stop if the command works.
+    rm -rf conftest.dir
+    mkdir conftest.dir
+    echo GrepMe > conftest.dir/file
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
   rm -rf conftest.dir
-  mkdir conftest.dir
-  echo GrepMe > conftest.dir/file
-  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
-  rm -rf conftest.dir
-  if test -s conftest.tar; then
-    AM_RUN_LOG([$am__untar <conftest.tar])
-    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
-  fi
-done
-rm -rf conftest.dir
 
-AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
-AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
 AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([m4/ac_backport_259_ssizet.m4])
 m4_include([m4/acx_pthread.m4])
+m4_include([m4/libevent_openssl.m4])
 m4_include([m4/libtool.m4])
 m4_include([m4/ltoptions.m4])
 m4_include([m4/ltsugar.m4])
 m4_include([m4/ltversion.m4])
 m4_include([m4/lt~obsolete.m4])
+m4_include([m4/ntp_pkg_config.m4])
diff --git a/arc4random.c b/arc4random.c
index 3977339..a2338e6 100644
--- a/arc4random.c
+++ b/arc4random.c
@@ -50,7 +50,8 @@
 #endif
 
 #ifndef ARC4RANDOM_NO_INCLUDES
-#ifdef WIN32
+#include "evconfig-private.h"
+#ifdef _WIN32
 #include <wincrypt.h>
 #include <process.h>
 #else
@@ -58,7 +59,7 @@
 #include <unistd.h>
 #include <sys/param.h>
 #include <sys/time.h>
-#ifdef _EVENT_HAVE_SYS_SYSCTL_H
+#ifdef EVENT__HAVE_SYS_SYSCTL_H
 #include <sys/sysctl.h>
 #endif
 #endif
@@ -79,7 +80,7 @@
 	unsigned char s[256];
 };
 
-#ifdef WIN32
+#ifdef _WIN32
 #define getpid _getpid
 #define pid_t int
 #endif
@@ -120,7 +121,7 @@
 	rs.j = rs.i;
 }
 
-#ifndef WIN32
+#ifndef _WIN32
 static ssize_t
 read_all(int fd, unsigned char *buf, size_t count)
 {
@@ -140,7 +141,7 @@
 }
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #define TRY_SEED_WIN32
 static int
 arc4_seed_win32(void)
@@ -167,8 +168,8 @@
 }
 #endif
 
-#if defined(_EVENT_HAVE_SYS_SYSCTL_H) && defined(_EVENT_HAVE_SYSCTL)
-#if _EVENT_HAVE_DECL_CTL_KERN && _EVENT_HAVE_DECL_KERN_RANDOM && _EVENT_HAVE_DECL_RANDOM_UUID
+#if defined(EVENT__HAVE_SYS_SYSCTL_H) && defined(EVENT__HAVE_SYSCTL)
+#if EVENT__HAVE_DECL_CTL_KERN && EVENT__HAVE_DECL_KERN_RANDOM && EVENT__HAVE_DECL_RANDOM_UUID
 #define TRY_SEED_SYSCTL_LINUX
 static int
 arc4_seed_sysctl_linux(void)
@@ -205,7 +206,7 @@
 }
 #endif
 
-#if _EVENT_HAVE_DECL_CTL_KERN && _EVENT_HAVE_DECL_KERN_ARND
+#if EVENT__HAVE_DECL_CTL_KERN && EVENT__HAVE_DECL_KERN_ARND
 #define TRY_SEED_SYSCTL_BSD
 static int
 arc4_seed_sysctl_bsd(void)
@@ -244,7 +245,7 @@
 	return 0;
 }
 #endif
-#endif /* defined(_EVENT_HAVE_SYS_SYSCTL_H) */
+#endif /* defined(EVENT__HAVE_SYS_SYSCTL_H) */
 
 #ifdef __linux__
 #define TRY_SEED_PROC_SYS_KERNEL_RANDOM_UUID
@@ -260,7 +261,7 @@
 	unsigned char entropy[64];
 	int bytes, n, i, nybbles;
 	for (bytes = 0; bytes<ADD_ENTROPY; ) {
-		fd = evutil_open_closeonexec("/proc/sys/kernel/random/uuid", O_RDONLY, 0);
+		fd = evutil_open_closeonexec_("/proc/sys/kernel/random/uuid", O_RDONLY, 0);
 		if (fd < 0)
 			return -1;
 		n = read(fd, buf, sizeof(buf));
@@ -269,8 +270,8 @@
 			return -1;
 		memset(entropy, 0, sizeof(entropy));
 		for (i=nybbles=0; i<n; ++i) {
-			if (EVUTIL_ISXDIGIT(buf[i])) {
-				int nyb = evutil_hex_char_to_int(buf[i]);
+			if (EVUTIL_ISXDIGIT_(buf[i])) {
+				int nyb = evutil_hex_char_to_int_(buf[i]);
 				if (nybbles & 1) {
 					entropy[nybbles/2] |= nyb;
 				} else {
@@ -291,7 +292,7 @@
 }
 #endif
 
-#ifndef WIN32
+#ifndef _WIN32
 #define TRY_SEED_URANDOM
 static char *arc4random_urandom_filename = NULL;
 
@@ -301,7 +302,7 @@
 	int fd;
 	size_t n;
 
-	fd = evutil_open_closeonexec(fname, O_RDONLY, 0);
+	fd = evutil_open_closeonexec_(fname, O_RDONLY, 0);
 	if (fd<0)
 		return -1;
 	n = read_all(fd, buf, sizeof(buf));
@@ -453,9 +454,9 @@
 arc4random_stir(void)
 {
 	int val;
-	_ARC4_LOCK();
+	ARC4_LOCK_();
 	val = arc4_stir();
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 	return val;
 }
 #endif
@@ -465,7 +466,7 @@
 arc4random_addrandom(const unsigned char *dat, int datlen)
 {
 	int j;
-	_ARC4_LOCK();
+	ARC4_LOCK_();
 	if (!rs_initialized)
 		arc4_stir();
 	for (j = 0; j < datlen; j += 256) {
@@ -475,7 +476,7 @@
 		 * crazy like passing us all the files in /var/log. */
 		arc4_addrandom(dat + j, datlen - j);
 	}
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 }
 #endif
 
@@ -484,27 +485,27 @@
 arc4random(void)
 {
 	ARC4RANDOM_UINT32 val;
-	_ARC4_LOCK();
+	ARC4_LOCK_();
 	arc4_count -= 4;
 	arc4_stir_if_needed();
 	val = arc4_getword();
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 	return val;
 }
 #endif
 
 ARC4RANDOM_EXPORT void
-arc4random_buf(void *_buf, size_t n)
+arc4random_buf(void *buf_, size_t n)
 {
-	unsigned char *buf = _buf;
-	_ARC4_LOCK();
+	unsigned char *buf = buf_;
+	ARC4_LOCK_();
 	arc4_stir_if_needed();
 	while (n--) {
 		if (--arc4_count <= 0)
 			arc4_stir();
 		buf[n] = arc4_getbyte();
 	}
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 }
 
 #ifndef ARC4RANDOM_NOUNIFORM
diff --git a/autogen.sh b/autogen.sh
index 57eeb94..bcfe937 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,11 @@
 #!/bin/sh
+
+MAKE=make
+if command -v gmake >/dev/null 2>/dev/null; then
+  MAKE=gmake
+fi
+$MAKE maintainer-clean >/dev/null 2>/dev/null
+
 if [ -x "`which autoreconf 2>/dev/null`" ] ; then
    exec autoreconf -ivf
 fi
diff --git a/buffer.c b/buffer.c
index 2c66b60..b7e3a69 100644
--- a/buffer.c
+++ b/buffer.c
@@ -26,52 +26,58 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #include <windows.h>
 #include <io.h>
 #endif
 
-#ifdef _EVENT_HAVE_VASPRINTF
-/* If we have vasprintf, we need to define this before we include stdio.h. */
-#define _GNU_SOURCE
+#ifdef EVENT__HAVE_VASPRINTF
+/* If we have vasprintf, we need to define _GNU_SOURCE before we include
+ * stdio.h.  This comes from evconfig-private.h.
+ */
 #endif
 
 #include <sys/types.h>
 
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_UIO_H
+#ifdef EVENT__HAVE_SYS_UIO_H
 #include <sys/uio.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_IOCTL_H
+#ifdef EVENT__HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_MMAN_H
+#ifdef EVENT__HAVE_SYS_MMAN_H
 #include <sys/mman.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_SENDFILE_H
+#ifdef EVENT__HAVE_SYS_SENDFILE_H
 #include <sys/sendfile.h>
 #endif
+#ifdef EVENT__HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <limits.h>
@@ -83,8 +89,6 @@
 #include "event2/bufferevent_compat.h"
 #include "event2/bufferevent_struct.h"
 #include "event2/thread.h"
-#include "event2/event-config.h"
-#include "event-internal.h"
 #include "log-internal.h"
 #include "mm-internal.h"
 #include "util-internal.h"
@@ -98,28 +102,20 @@
 #endif
 
 /* send file support */
-#if defined(_EVENT_HAVE_SYS_SENDFILE_H) && defined(_EVENT_HAVE_SENDFILE) && defined(__linux__)
+#if defined(EVENT__HAVE_SYS_SENDFILE_H) && defined(EVENT__HAVE_SENDFILE) && defined(__linux__)
 #define USE_SENDFILE		1
 #define SENDFILE_IS_LINUX	1
-#elif defined(_EVENT_HAVE_SENDFILE) && defined(__FreeBSD__)
+#elif defined(EVENT__HAVE_SENDFILE) && defined(__FreeBSD__)
 #define USE_SENDFILE		1
 #define SENDFILE_IS_FREEBSD	1
-#elif defined(_EVENT_HAVE_SENDFILE) && defined(__APPLE__)
+#elif defined(EVENT__HAVE_SENDFILE) && defined(__APPLE__)
 #define USE_SENDFILE		1
 #define SENDFILE_IS_MACOSX	1
-#elif defined(_EVENT_HAVE_SENDFILE) && defined(__sun__) && defined(__svr4__)
+#elif defined(EVENT__HAVE_SENDFILE) && defined(__sun__) && defined(__svr4__)
 #define USE_SENDFILE		1
 #define SENDFILE_IS_SOLARIS	1
 #endif
 
-#ifdef USE_SENDFILE
-static int use_sendfile = 1;
-#endif
-#ifdef _EVENT_HAVE_MMAP
-static int use_mmap = 1;
-#endif
-
-
 /* Mask of user-selectable callback flags. */
 #define EVBUFFER_CB_USER_FLAGS	    0xffff
 /* Mask of all internal-use-only flags. */
@@ -136,21 +132,25 @@
 #define CHAIN_PINNED(ch)  (((ch)->flags & EVBUFFER_MEM_PINNED_ANY) != 0)
 #define CHAIN_PINNED_R(ch)  (((ch)->flags & EVBUFFER_MEM_PINNED_R) != 0)
 
+/* evbuffer_ptr support */
+#define PTR_NOT_FOUND(ptr) do {			\
+	(ptr)->pos = -1;					\
+	(ptr)->internal_.chain = NULL;		\
+	(ptr)->internal_.pos_in_chain = 0;	\
+} while (0)
+
 static void evbuffer_chain_align(struct evbuffer_chain *chain);
 static int evbuffer_chain_should_realign(struct evbuffer_chain *chain,
     size_t datalen);
-static void evbuffer_deferred_callback(struct deferred_cb *cb, void *arg);
+static void evbuffer_deferred_callback(struct event_callback *cb, void *arg);
 static int evbuffer_ptr_memcmp(const struct evbuffer *buf,
     const struct evbuffer_ptr *pos, const char *mem, size_t len);
 static struct evbuffer_chain *evbuffer_expand_singlechain(struct evbuffer *buf,
     size_t datlen);
-
-#ifdef WIN32
-static int evbuffer_readfile(struct evbuffer *buf, evutil_socket_t fd,
-    ev_ssize_t howmuch);
-#else
-#define evbuffer_readfile evbuffer_read
-#endif
+static int evbuffer_ptr_subtract(struct evbuffer *buf, struct evbuffer_ptr *pos,
+    size_t howfar);
+static int evbuffer_file_segment_materialize(struct evbuffer_file_segment *seg);
+static inline void evbuffer_chain_incref(struct evbuffer_chain *chain);
 
 static struct evbuffer_chain *
 evbuffer_chain_new(size_t size)
@@ -184,7 +184,9 @@
 	/* this way we can manipulate the buffer to different addresses,
 	 * which is required for mmap for example.
 	 */
-	chain->buffer = EVBUFFER_CHAIN_EXTRA(u_char, chain);
+	chain->buffer = EVBUFFER_CHAIN_EXTRA(unsigned char, chain);
+
+	chain->refcnt = 1;
 
 	return (chain);
 }
@@ -192,44 +194,58 @@
 static inline void
 evbuffer_chain_free(struct evbuffer_chain *chain)
 {
+	EVUTIL_ASSERT(chain->refcnt > 0);
+	if (--chain->refcnt > 0) {
+		/* chain is still referenced by other chains */
+		return;
+	}
+
 	if (CHAIN_PINNED(chain)) {
+		/* will get freed once no longer dangling */
+		chain->refcnt++;
 		chain->flags |= EVBUFFER_DANGLING;
 		return;
 	}
-	if (chain->flags & (EVBUFFER_MMAP|EVBUFFER_SENDFILE|
-		EVBUFFER_REFERENCE)) {
-		if (chain->flags & EVBUFFER_REFERENCE) {
-			struct evbuffer_chain_reference *info =
-			    EVBUFFER_CHAIN_EXTRA(
-				    struct evbuffer_chain_reference,
-				    chain);
-			if (info->cleanupfn)
-				(*info->cleanupfn)(chain->buffer,
-				    chain->buffer_len,
-				    info->extra);
-		}
-#ifdef _EVENT_HAVE_MMAP
-		if (chain->flags & EVBUFFER_MMAP) {
-			struct evbuffer_chain_fd *info =
-			    EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_fd,
-				chain);
-			if (munmap(chain->buffer, chain->buffer_len) == -1)
-				event_warn("%s: munmap failed", __func__);
-			if (close(info->fd) == -1)
-				event_warn("%s: close(%d) failed",
-				    __func__, info->fd);
-		}
+
+	/* safe to release chain, it's either a referencing
+	 * chain or all references to it have been freed */
+	if (chain->flags & EVBUFFER_REFERENCE) {
+		struct evbuffer_chain_reference *info =
+		    EVBUFFER_CHAIN_EXTRA(
+			    struct evbuffer_chain_reference,
+			    chain);
+		if (info->cleanupfn)
+			(*info->cleanupfn)(chain->buffer,
+			    chain->buffer_len,
+			    info->extra);
+	}
+	if (chain->flags & EVBUFFER_FILESEGMENT) {
+		struct evbuffer_chain_file_segment *info =
+		    EVBUFFER_CHAIN_EXTRA(
+			    struct evbuffer_chain_file_segment,
+			    chain);
+		if (info->segment) {
+#ifdef _WIN32
+			if (info->segment->is_mapping)
+				UnmapViewOfFile(chain->buffer);
 #endif
-#ifdef USE_SENDFILE
-		if (chain->flags & EVBUFFER_SENDFILE) {
-			struct evbuffer_chain_fd *info =
-			    EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_fd,
-				chain);
-			if (close(info->fd) == -1)
-				event_warn("%s: close(%d) failed",
-				    __func__, info->fd);
+			evbuffer_file_segment_free(info->segment);
 		}
-#endif
+	}
+	if (chain->flags & EVBUFFER_MULTICAST) {
+		struct evbuffer_multicast_parent *info =
+		    EVBUFFER_CHAIN_EXTRA(
+			    struct evbuffer_multicast_parent,
+			    chain);
+		/* referencing chain is being freed, decrease
+		 * refcounts of source chain and associated
+		 * evbuffer (which get freed once both reach
+		 * zero) */
+		EVUTIL_ASSERT(info->source != NULL);
+		EVUTIL_ASSERT(info->parent != NULL);
+		EVBUFFER_LOCK(info->source);
+		evbuffer_chain_free(info->parent);
+		evbuffer_decref_and_unlock_(info->source);
 	}
 
 	mm_free(chain);
@@ -299,21 +315,11 @@
 		EVUTIL_ASSERT(buf->first == NULL);
 		buf->first = buf->last = chain;
 	} else {
-		struct evbuffer_chain **ch = buf->last_with_datap;
-		/* Find the first victim chain.  It might be *last_with_datap */
-		while ((*ch) && ((*ch)->off != 0 || CHAIN_PINNED(*ch)))
-			ch = &(*ch)->next;
-		if (*ch == NULL) {
-			/* There is no victim; just append this new chain. */
-			buf->last->next = chain;
-			if (chain->off)
-				buf->last_with_datap = &buf->last->next;
-		} else {
-			/* Replace all victim chains with this chain. */
-			EVUTIL_ASSERT(evbuffer_chains_all_empty(*ch));
-			evbuffer_free_all_chains(*ch);
-			*ch = chain;
-		}
+		struct evbuffer_chain **chp;
+		chp = evbuffer_free_trailing_empty_chains(buf);
+		*chp = chain;
+		if (chain->off)
+			buf->last_with_datap = chp;
 		buf->last = chain;
 	}
 	buf->total_len += chain->off;
@@ -330,14 +336,14 @@
 }
 
 void
-_evbuffer_chain_pin(struct evbuffer_chain *chain, unsigned flag)
+evbuffer_chain_pin_(struct evbuffer_chain *chain, unsigned flag)
 {
 	EVUTIL_ASSERT((chain->flags & flag) == 0);
 	chain->flags |= flag;
 }
 
 void
-_evbuffer_chain_unpin(struct evbuffer_chain *chain, unsigned flag)
+evbuffer_chain_unpin_(struct evbuffer_chain *chain, unsigned flag)
 {
 	EVUTIL_ASSERT((chain->flags & flag) != 0);
 	chain->flags &= ~flag;
@@ -345,6 +351,12 @@
 		evbuffer_chain_free(chain);
 }
 
+static inline void
+evbuffer_chain_incref(struct evbuffer_chain *chain)
+{
+    ++chain->refcnt;
+}
+
 struct evbuffer *
 evbuffer_new(void)
 {
@@ -354,7 +366,7 @@
 	if (buffer == NULL)
 		return (NULL);
 
-	TAILQ_INIT(&buffer->callbacks);
+	LIST_INIT(&buffer->callbacks);
 	buffer->refcnt = 1;
 	buffer->last_with_datap = &buffer->first;
 
@@ -380,7 +392,7 @@
 }
 
 void
-_evbuffer_incref(struct evbuffer *buf)
+evbuffer_incref_(struct evbuffer *buf)
 {
 	EVBUFFER_LOCK(buf);
 	++buf->refcnt;
@@ -388,7 +400,7 @@
 }
 
 void
-_evbuffer_incref_and_lock(struct evbuffer *buf)
+evbuffer_incref_and_lock_(struct evbuffer *buf)
 {
 	EVBUFFER_LOCK(buf);
 	++buf->refcnt;
@@ -398,9 +410,10 @@
 evbuffer_defer_callbacks(struct evbuffer *buffer, struct event_base *base)
 {
 	EVBUFFER_LOCK(buffer);
-	buffer->cb_queue = event_base_get_deferred_cb_queue(base);
+	buffer->cb_queue = base;
 	buffer->deferred_cbs = 1;
-	event_deferred_cb_init(&buffer->deferred,
+	event_deferred_cb_init_(&buffer->deferred,
+	    event_base_get_npriorities(base) / 2,
 	    evbuffer_deferred_callback, buffer);
 	EVBUFFER_UNLOCK(buffer);
 	return 0;
@@ -409,7 +422,7 @@
 int
 evbuffer_enable_locking(struct evbuffer *buf, void *lock)
 {
-#ifdef _EVENT_DISABLE_THREAD_SUPPORT
+#ifdef EVENT__DISABLE_THREAD_SUPPORT
 	return -1;
 #else
 	if (buf->lock)
@@ -431,7 +444,7 @@
 }
 
 void
-evbuffer_set_parent(struct evbuffer *buf, struct bufferevent *bev)
+evbuffer_set_parent_(struct evbuffer *buf, struct bufferevent *bev)
 {
 	EVBUFFER_LOCK(buf);
 	buf->parent = bev;
@@ -463,7 +476,7 @@
 
 	ASSERT_EVBUFFER_LOCKED(buffer);
 
-	if (TAILQ_EMPTY(&buffer->callbacks)) {
+	if (LIST_EMPTY(&buffer->callbacks)) {
 		buffer->n_add_for_cb = buffer->n_del_for_cb = 0;
 		return;
 	}
@@ -478,12 +491,12 @@
 		buffer->n_add_for_cb = 0;
 		buffer->n_del_for_cb = 0;
 	}
-	for (cbent = TAILQ_FIRST(&buffer->callbacks);
-	     cbent != TAILQ_END(&buffer->callbacks);
+	for (cbent = LIST_FIRST(&buffer->callbacks);
+	     cbent != LIST_END(&buffer->callbacks);
 	     cbent = next) {
 		/* Get the 'next' pointer now in case this callback decides
 		 * to remove itself or something. */
-		next = TAILQ_NEXT(cbent, next);
+		next = LIST_NEXT(cbent, next);
 
 		if ((cbent->flags & mask) != masked_val)
 			continue;
@@ -497,28 +510,27 @@
 }
 
 void
-evbuffer_invoke_callbacks(struct evbuffer *buffer)
+evbuffer_invoke_callbacks_(struct evbuffer *buffer)
 {
-	if (TAILQ_EMPTY(&buffer->callbacks)) {
+	if (LIST_EMPTY(&buffer->callbacks)) {
 		buffer->n_add_for_cb = buffer->n_del_for_cb = 0;
 		return;
 	}
 
 	if (buffer->deferred_cbs) {
-		if (buffer->deferred.queued)
-			return;
-		_evbuffer_incref_and_lock(buffer);
-		if (buffer->parent)
-			bufferevent_incref(buffer->parent);
+		if (event_deferred_cb_schedule_(buffer->cb_queue, &buffer->deferred)) {
+			evbuffer_incref_and_lock_(buffer);
+			if (buffer->parent)
+				bufferevent_incref_(buffer->parent);
+		}
 		EVBUFFER_UNLOCK(buffer);
-		event_deferred_cb_schedule(buffer->cb_queue, &buffer->deferred);
 	}
 
 	evbuffer_run_callbacks(buffer, 0);
 }
 
 static void
-evbuffer_deferred_callback(struct deferred_cb *cb, void *arg)
+evbuffer_deferred_callback(struct event_callback *cb, void *arg)
 {
 	struct bufferevent *parent = NULL;
 	struct evbuffer *buffer = arg;
@@ -528,9 +540,9 @@
 	EVBUFFER_LOCK(buffer);
 	parent = buffer->parent;
 	evbuffer_run_callbacks(buffer, 1);
-	_evbuffer_decref_and_unlock(buffer);
+	evbuffer_decref_and_unlock_(buffer);
 	if (parent)
-		bufferevent_decref(parent);
+		bufferevent_decref_(parent);
 }
 
 static void
@@ -538,14 +550,14 @@
 {
 	struct evbuffer_cb_entry *cbent;
 
-	while ((cbent = TAILQ_FIRST(&buffer->callbacks))) {
-	    TAILQ_REMOVE(&buffer->callbacks, cbent, next);
-	    mm_free(cbent);
+	while ((cbent = LIST_FIRST(&buffer->callbacks))) {
+		LIST_REMOVE(cbent, next);
+		mm_free(cbent);
 	}
 }
 
 void
-_evbuffer_decref_and_unlock(struct evbuffer *buffer)
+evbuffer_decref_and_unlock_(struct evbuffer *buffer)
 {
 	struct evbuffer_chain *chain, *next;
 	ASSERT_EVBUFFER_LOCKED(buffer);
@@ -563,7 +575,7 @@
 	}
 	evbuffer_remove_all_callbacks(buffer);
 	if (buffer->deferred_cbs)
-		event_deferred_cb_cancel(buffer->cb_queue, &buffer->deferred);
+		event_deferred_cb_cancel_(buffer->cb_queue, &buffer->deferred);
 
 	EVBUFFER_UNLOCK(buffer);
 	if (buffer->own_lock)
@@ -575,7 +587,7 @@
 evbuffer_free(struct evbuffer *buffer)
 {
 	EVBUFFER_LOCK(buffer);
-	_evbuffer_decref_and_unlock(buffer);
+	evbuffer_decref_and_unlock_(buffer);
 }
 
 void
@@ -618,6 +630,42 @@
 	return result;
 }
 
+size_t
+evbuffer_add_iovec(struct evbuffer * buf, struct evbuffer_iovec * vec, int n_vec) {
+	int n;
+	size_t res;
+	size_t to_alloc;
+
+	EVBUFFER_LOCK(buf);
+
+	res = to_alloc = 0;
+
+	for (n = 0; n < n_vec; n++) {
+		to_alloc += vec[n].iov_len;
+	}
+
+	if (evbuffer_expand_fast_(buf, to_alloc, 2) < 0) {
+		goto done;
+	}
+
+	for (n = 0; n < n_vec; n++) {
+		/* XXX each 'add' call here does a bunch of setup that's
+		 * obviated by evbuffer_expand_fast_, and some cleanup that we
+		 * would like to do only once.  Instead we should just extract
+		 * the part of the code that's needed. */
+
+		if (evbuffer_add(buf, vec[n].iov_base, vec[n].iov_len) < 0) {
+			goto done;
+		}
+
+		res += vec[n].iov_len;
+	}
+
+done:
+    EVBUFFER_UNLOCK(buf);
+    return res;
+}
+
 int
 evbuffer_reserve_space(struct evbuffer *buf, ev_ssize_t size,
     struct evbuffer_iovec *vec, int n_vecs)
@@ -634,14 +682,14 @@
 		if ((chain = evbuffer_expand_singlechain(buf, size)) == NULL)
 			goto done;
 
-		vec[0].iov_base = CHAIN_SPACE_PTR(chain);
-		vec[0].iov_len = (size_t) CHAIN_SPACE_LEN(chain);
+		vec[0].iov_base = (void *)CHAIN_SPACE_PTR(chain);
+		vec[0].iov_len = (size_t)CHAIN_SPACE_LEN(chain);
 		EVUTIL_ASSERT(size<0 || (size_t)vec[0].iov_len >= (size_t)size);
 		n = 1;
 	} else {
-		if (_evbuffer_expand_fast(buf, size, n_vecs)<0)
+		if (evbuffer_expand_fast_(buf, size, n_vecs)<0)
 			goto done;
-		n = _evbuffer_read_setup_vecs(buf, size, vec, n_vecs,
+		n = evbuffer_read_setup_vecs_(buf, size, vec, n_vecs,
 				&chainp, 0);
 	}
 
@@ -684,7 +732,7 @@
 		result = 0;
 		goto done;
 	} else if (n_vecs == 1 &&
-	    (buf->last && vec[0].iov_base == (void*)CHAIN_SPACE_PTR(buf->last))) {
+	    (buf->last && vec[0].iov_base == (void *)CHAIN_SPACE_PTR(buf->last))) {
 		/* The user only got or used one chain; it might not
 		 * be the first one with space in it. */
 		if ((size_t)vec[0].iov_len > (size_t)CHAIN_SPACE_LEN(buf->last))
@@ -710,7 +758,7 @@
 	for (i=0; i<n_vecs; ++i) {
 		if (!chain)
 			goto done;
-		if (vec[i].iov_base != (void*)CHAIN_SPACE_PTR(chain) ||
+		if (vec[i].iov_base != (void *)CHAIN_SPACE_PTR(chain) ||
 		    (size_t)vec[i].iov_len > CHAIN_SPACE_LEN(chain))
 			goto done;
 		chain = chain->next;
@@ -730,7 +778,7 @@
 	buf->total_len += added;
 	buf->n_add_for_cb += added;
 	result = 0;
-	evbuffer_invoke_callbacks(buf);
+	evbuffer_invoke_callbacks_(buf);
 
 done:
 	EVBUFFER_UNLOCK(buf);
@@ -835,17 +883,62 @@
 static void
 APPEND_CHAIN(struct evbuffer *dst, struct evbuffer *src)
 {
+	struct evbuffer_chain **chp;
+
 	ASSERT_EVBUFFER_LOCKED(dst);
 	ASSERT_EVBUFFER_LOCKED(src);
-	dst->last->next = src->first;
+
+	chp = evbuffer_free_trailing_empty_chains(dst);
+	*chp = src->first;
+
 	if (src->last_with_datap == &src->first)
-		dst->last_with_datap = &dst->last->next;
+		dst->last_with_datap = chp;
 	else
 		dst->last_with_datap = src->last_with_datap;
 	dst->last = src->last;
 	dst->total_len += src->total_len;
 }
 
+static inline void
+APPEND_CHAIN_MULTICAST(struct evbuffer *dst, struct evbuffer *src)
+{
+	struct evbuffer_chain *tmp;
+	struct evbuffer_chain *chain = src->first;
+	struct evbuffer_multicast_parent *extra;
+
+	ASSERT_EVBUFFER_LOCKED(dst);
+	ASSERT_EVBUFFER_LOCKED(src);
+
+	for (; chain; chain = chain->next) {
+		if (!chain->off || chain->flags & EVBUFFER_DANGLING) {
+			/* skip empty chains */
+			continue;
+		}
+
+		tmp = evbuffer_chain_new(sizeof(struct evbuffer_multicast_parent));
+		if (!tmp) {
+			event_warn("%s: out of memory", __func__);
+			return;
+		}
+		extra = EVBUFFER_CHAIN_EXTRA(struct evbuffer_multicast_parent, tmp);
+		/* reference evbuffer containing source chain so it
+		 * doesn't get released while the chain is still
+		 * being referenced to */
+		evbuffer_incref_(src);
+		extra->source = src;
+		/* reference source chain which now becomes immutable */
+		evbuffer_chain_incref(chain);
+		extra->parent = chain;
+		chain->flags |= EVBUFFER_IMMUTABLE;
+		tmp->buffer_len = chain->buffer_len;
+		tmp->misalign = chain->misalign;
+		tmp->off = chain->off;
+		tmp->flags |= EVBUFFER_MULTICAST|EVBUFFER_IMMUTABLE;
+		tmp->buffer = chain->buffer;
+		evbuffer_chain_insert(dst, tmp);
+	}
+}
+
 static void
 PREPEND_CHAIN(struct evbuffer *dst, struct evbuffer *src)
 {
@@ -902,8 +995,51 @@
 	inbuf->n_del_for_cb += in_total_len;
 	outbuf->n_add_for_cb += in_total_len;
 
-	evbuffer_invoke_callbacks(inbuf);
-	evbuffer_invoke_callbacks(outbuf);
+	evbuffer_invoke_callbacks_(inbuf);
+	evbuffer_invoke_callbacks_(outbuf);
+
+done:
+	EVBUFFER_UNLOCK2(inbuf, outbuf);
+	return result;
+}
+
+int
+evbuffer_add_buffer_reference(struct evbuffer *outbuf, struct evbuffer *inbuf)
+{
+	size_t in_total_len, out_total_len;
+	struct evbuffer_chain *chain;
+	int result = 0;
+
+	EVBUFFER_LOCK2(inbuf, outbuf);
+	in_total_len = inbuf->total_len;
+	out_total_len = outbuf->total_len;
+	chain = inbuf->first;
+
+	if (in_total_len == 0)
+		goto done;
+
+	if (outbuf->freeze_end || outbuf == inbuf) {
+		result = -1;
+		goto done;
+	}
+
+	for (; chain; chain = chain->next) {
+		if ((chain->flags & (EVBUFFER_FILESEGMENT|EVBUFFER_SENDFILE|EVBUFFER_MULTICAST)) != 0) {
+			/* chain type can not be referenced */
+			result = -1;
+			goto done;
+		}
+	}
+
+	if (out_total_len == 0) {
+		/* There might be an empty chain at the start of outbuf; free
+		 * it. */
+		evbuffer_free_all_chains(outbuf->first);
+	}
+	APPEND_CHAIN_MULTICAST(outbuf, inbuf);
+
+	outbuf->n_add_for_cb += in_total_len;
+	evbuffer_invoke_callbacks_(outbuf);
 
 done:
 	EVBUFFER_UNLOCK2(inbuf, outbuf);
@@ -949,8 +1085,8 @@
 	inbuf->n_del_for_cb += in_total_len;
 	outbuf->n_add_for_cb += in_total_len;
 
-	evbuffer_invoke_callbacks(inbuf);
-	evbuffer_invoke_callbacks(outbuf);
+	evbuffer_invoke_callbacks_(inbuf);
+	evbuffer_invoke_callbacks_(outbuf);
 done:
 	EVBUFFER_UNLOCK2(inbuf, outbuf);
 	return result;
@@ -1010,16 +1146,14 @@
 		}
 
 		buf->first = chain;
-		if (chain) {
-			EVUTIL_ASSERT(remaining <= chain->off);
-			chain->misalign += remaining;
-			chain->off -= remaining;
-		}
+		EVUTIL_ASSERT(chain && remaining <= chain->off);
+		chain->misalign += remaining;
+		chain->off -= remaining;
 	}
 
 	buf->n_del_for_cb += len;
 	/* Tell someone about changes in this buffer */
-	evbuffer_invoke_callbacks(buf);
+	evbuffer_invoke_callbacks_(buf);
 
 done:
 	EVBUFFER_UNLOCK(buf);
@@ -1032,7 +1166,7 @@
 {
 	ev_ssize_t n;
 	EVBUFFER_LOCK(buf);
-	n = evbuffer_copyout(buf, data_out, datlen);
+	n = evbuffer_copyout_from(buf, NULL, data_out, datlen);
 	if (n > 0) {
 		if (evbuffer_drain(buf, n)<0)
 			n = -1;
@@ -1044,18 +1178,38 @@
 ev_ssize_t
 evbuffer_copyout(struct evbuffer *buf, void *data_out, size_t datlen)
 {
+	return evbuffer_copyout_from(buf, NULL, data_out, datlen);
+}
+
+ev_ssize_t
+evbuffer_copyout_from(struct evbuffer *buf, const struct evbuffer_ptr *pos,
+    void *data_out, size_t datlen)
+{
 	/*XXX fails badly on sendfile case. */
 	struct evbuffer_chain *chain;
 	char *data = data_out;
 	size_t nread;
 	ev_ssize_t result = 0;
+	size_t pos_in_chain;
 
 	EVBUFFER_LOCK(buf);
 
-	chain = buf->first;
+	if (pos) {
+		if (datlen > (size_t)(EV_SSIZE_MAX - pos->pos)) {
+			result = -1;
+			goto done;
+		}
+		chain = pos->internal_.chain;
+		pos_in_chain = pos->internal_.pos_in_chain;
+		if (datlen + pos->pos > buf->total_len)
+			datlen = buf->total_len - pos->pos;
+	} else {
+		chain = buf->first;
+		pos_in_chain = 0;
+		if (datlen > buf->total_len)
+			datlen = buf->total_len;
+	}
 
-	if (datlen >= buf->total_len)
-		datlen = buf->total_len;
 
 	if (datlen == 0)
 		goto done;
@@ -1067,19 +1221,25 @@
 
 	nread = datlen;
 
-	while (datlen && datlen >= chain->off) {
-		memcpy(data, chain->buffer + chain->misalign, chain->off);
-		data += chain->off;
-		datlen -= chain->off;
+	while (datlen && datlen >= chain->off - pos_in_chain) {
+		size_t copylen = chain->off - pos_in_chain;
+		memcpy(data,
+		    chain->buffer + chain->misalign + pos_in_chain,
+		    copylen);
+		data += copylen;
+		datlen -= copylen;
 
 		chain = chain->next;
+		pos_in_chain = 0;
 		EVUTIL_ASSERT(chain || datlen==0);
 	}
 
 	if (datlen) {
 		EVUTIL_ASSERT(chain);
-		EVUTIL_ASSERT(datlen <= chain->off);
-		memcpy(data, chain->buffer + chain->misalign, datlen);
+		EVUTIL_ASSERT(datlen+pos_in_chain <= chain->off);
+
+		memcpy(data, chain->buffer + chain->misalign + pos_in_chain,
+		    datlen);
 	}
 
 	result = nread;
@@ -1171,8 +1331,8 @@
 	src->n_del_for_cb += nread;
 
 	if (nread) {
-		evbuffer_invoke_callbacks(dst);
-		evbuffer_invoke_callbacks(src);
+		evbuffer_invoke_callbacks_(dst);
+		evbuffer_invoke_callbacks_(src);
 	}
 	result = (int)nread;/*XXXX should change return type */
 
@@ -1306,14 +1466,14 @@
 static inline ev_ssize_t
 evbuffer_strchr(struct evbuffer_ptr *it, const char chr)
 {
-	struct evbuffer_chain *chain = it->_internal.chain;
-	size_t i = it->_internal.pos_in_chain;
+	struct evbuffer_chain *chain = it->internal_.chain;
+	size_t i = it->internal_.pos_in_chain;
 	while (chain != NULL) {
 		char *buffer = (char *)chain->buffer + chain->misalign;
 		char *cp = memchr(buffer+i, chr, chain->off-i);
 		if (cp) {
-			it->_internal.chain = chain;
-			it->_internal.pos_in_chain = cp - buffer;
+			it->internal_.chain = chain;
+			it->internal_.pos_in_chain = cp - buffer;
 			it->pos += (cp - buffer - i);
 			return it->pos;
 		}
@@ -1355,14 +1515,14 @@
 static ev_ssize_t
 evbuffer_find_eol_char(struct evbuffer_ptr *it)
 {
-	struct evbuffer_chain *chain = it->_internal.chain;
-	size_t i = it->_internal.pos_in_chain;
+	struct evbuffer_chain *chain = it->internal_.chain;
+	size_t i = it->internal_.pos_in_chain;
 	while (chain != NULL) {
 		char *buffer = (char *)chain->buffer + chain->misalign;
 		char *cp = find_eol_char(buffer+i, chain->off-i);
 		if (cp) {
-			it->_internal.chain = chain;
-			it->_internal.pos_in_chain = cp - buffer;
+			it->internal_.chain = chain;
+			it->internal_.pos_in_chain = cp - buffer;
 			it->pos += (cp - buffer) - i;
 			return it->pos;
 		}
@@ -1379,11 +1539,11 @@
 	struct evbuffer_ptr *ptr, const char *chrset)
 {
 	int count = 0;
-	struct evbuffer_chain *chain = ptr->_internal.chain;
-	size_t i = ptr->_internal.pos_in_chain;
+	struct evbuffer_chain *chain = ptr->internal_.chain;
+	size_t i = ptr->internal_.pos_in_chain;
 
 	if (!chain)
-		return -1;
+		return 0;
 
 	while (1) {
 		char *buffer = (char *)chain->buffer + chain->misalign;
@@ -1393,8 +1553,8 @@
 				if (buffer[i] == *p++)
 					goto next;
 			}
-			ptr->_internal.chain = chain;
-			ptr->_internal.pos_in_chain = i;
+			ptr->internal_.chain = chain;
+			ptr->internal_.pos_in_chain = i;
 			ptr->pos += count;
 			return count;
 		next:
@@ -1403,8 +1563,8 @@
 		i = 0;
 
 		if (! chain->next) {
-			ptr->_internal.chain = chain;
-			ptr->_internal.pos_in_chain = i;
+			ptr->internal_.chain = chain;
+			ptr->internal_.pos_in_chain = i;
 			ptr->pos += count;
 			return count;
 		}
@@ -1414,13 +1574,16 @@
 }
 
 
-static inline char
+static inline int
 evbuffer_getchr(struct evbuffer_ptr *it)
 {
-	struct evbuffer_chain *chain = it->_internal.chain;
-	size_t off = it->_internal.pos_in_chain;
+	struct evbuffer_chain *chain = it->internal_.chain;
+	size_t off = it->internal_.pos_in_chain;
 
-	return chain->buffer[chain->misalign + off];
+	if (chain == NULL)
+		return -1;
+
+	return (unsigned char)chain->buffer[chain->misalign + off];
 }
 
 struct evbuffer_ptr
@@ -1432,14 +1595,22 @@
 	size_t extra_drain = 0;
 	int ok = 0;
 
+	/* Avoid locking in trivial edge cases */
+	if (start && start->internal_.chain == NULL) {
+		PTR_NOT_FOUND(&it);
+		if (eol_len_out)
+			*eol_len_out = extra_drain;
+		return it;
+	}
+
 	EVBUFFER_LOCK(buffer);
 
 	if (start) {
 		memcpy(&it, start, sizeof(it));
 	} else {
 		it.pos = 0;
-		it._internal.chain = buffer->first;
-		it._internal.pos_in_chain = 0;
+		it.internal_.chain = buffer->first;
+		it.internal_.pos_in_chain = 0;
 	}
 
 	/* the eol_style determines our first stop character and how many
@@ -1458,29 +1629,37 @@
 		extra_drain = 2;
 		break;
 	}
-	case EVBUFFER_EOL_CRLF:
-		while (1) {
-			if (evbuffer_find_eol_char(&it) < 0)
-				goto done;
-			if (evbuffer_getchr(&it) == '\n') {
-				extra_drain = 1;
-				break;
-			} else if (!evbuffer_ptr_memcmp(
-				    buffer, &it, "\r\n", 2)) {
-				extra_drain = 2;
-				break;
-			} else {
-				if (evbuffer_ptr_set(buffer, &it, 1,
-					EVBUFFER_PTR_ADD)<0)
-					goto done;
-			}
+	case EVBUFFER_EOL_CRLF: {
+		ev_ssize_t start_pos = it.pos;
+		/* Look for a LF ... */
+		if (evbuffer_strchr(&it, '\n') < 0)
+			goto done;
+		extra_drain = 1;
+		/* ... optionally preceeded by a CR. */
+		if (it.pos == start_pos)
+			break; /* If the first character is \n, don't back up */
+		/* This potentially does an extra linear walk over the first
+		 * few chains.  Probably, that's not too expensive unless you
+		 * have a really pathological setup. */
+		memcpy(&it2, &it, sizeof(it));
+		if (evbuffer_ptr_subtract(buffer, &it2, 1)<0)
+			break;
+		if (evbuffer_getchr(&it2) == '\r') {
+			memcpy(&it, &it2, sizeof(it));
+			extra_drain = 2;
 		}
 		break;
+	}
 	case EVBUFFER_EOL_LF:
 		if (evbuffer_strchr(&it, '\n') < 0)
 			goto done;
 		extra_drain = 1;
 		break;
+	case EVBUFFER_EOL_NUL:
+		if (evbuffer_strchr(&it, '\0') < 0)
+			goto done;
+		extra_drain = 1;
+		break;
 	default:
 		goto done;
 	}
@@ -1489,9 +1668,8 @@
 done:
 	EVBUFFER_UNLOCK(buffer);
 
-	if (!ok) {
-		it.pos = -1;
-	}
+	if (!ok)
+		PTR_NOT_FOUND(&it);
 	if (eol_len_out)
 		*eol_len_out = extra_drain;
 
@@ -1559,7 +1737,11 @@
 		goto done;
 	}
 
-	chain = buf->last;
+	if (*buf->last_with_datap == NULL) {
+		chain = buf->last;
+	} else {
+		chain = *buf->last_with_datap;
+	}
 
 	/* If there are no chains allocated for this buffer, allocate one
 	 * big enough to hold all the data. */
@@ -1627,7 +1809,7 @@
 	buf->n_add_for_cb += datlen;
 
 out:
-	evbuffer_invoke_callbacks(buf);
+	evbuffer_invoke_callbacks_(buf);
 	result = 0;
 done:
 	EVBUFFER_UNLOCK(buf);
@@ -1706,10 +1888,10 @@
 
 	memcpy(tmp->buffer + tmp->misalign, data, datlen);
 	buf->total_len += datlen;
-	buf->n_add_for_cb += (size_t)chain->misalign;
+	buf->n_add_for_cb += datlen;
 
 out:
-	evbuffer_invoke_callbacks(buf);
+	evbuffer_invoke_callbacks_(buf);
 	result = 0;
 done:
 	EVBUFFER_UNLOCK(buf);
@@ -1801,8 +1983,7 @@
 	/* Would expanding this chunk be affordable and worthwhile? */
 	if (CHAIN_SPACE_LEN(chain) < chain->buffer_len / 8 ||
 	    chain->off > MAX_TO_COPY_IN_EXPAND ||
-	    (datlen < EVBUFFER_CHAIN_MAX &&
-		EVBUFFER_CHAIN_MAX - datlen >= chain->off)) {
+		datlen >= (EVBUFFER_CHAIN_MAX - chain->off)) {
 		/* It's not worth resizing this chain. Can the next one be
 		 * used? */
 		if (chain->next && CHAIN_SPACE_LEN(chain->next) >= datlen) {
@@ -1856,7 +2037,7 @@
 /* Make sure that datlen bytes are available for writing in the last n
  * chains.  Never copies or moves data. */
 int
-_evbuffer_expand_fast(struct evbuffer *buf, size_t datlen, int n)
+evbuffer_expand_fast_(struct evbuffer *buf, size_t datlen, int n)
 {
 	struct evbuffer_chain *chain = buf->last, *tmp, *next;
 	size_t avail;
@@ -1980,13 +2161,13 @@
  * Reads data from a file descriptor into a buffer.
  */
 
-#if defined(_EVENT_HAVE_SYS_UIO_H) || defined(WIN32)
+#if defined(EVENT__HAVE_SYS_UIO_H) || defined(_WIN32)
 #define USE_IOVEC_IMPL
 #endif
 
 #ifdef USE_IOVEC_IMPL
 
-#ifdef _EVENT_HAVE_SYS_UIO_H
+#ifdef EVENT__HAVE_SYS_UIO_H
 /* number of iovec we use for writev, fragmentation is going to determine
  * how much we end up writing */
 
@@ -2030,7 +2211,7 @@
     @return The number of buffers we're using.
  */
 int
-_evbuffer_read_setup_vecs(struct evbuffer *buf, ev_ssize_t howmuch,
+evbuffer_read_setup_vecs_(struct evbuffer *buf, ev_ssize_t howmuch,
     struct evbuffer_iovec *vecs, int n_vecs_avail,
     struct evbuffer_chain ***chainp, int exact)
 {
@@ -2055,7 +2236,7 @@
 		size_t avail = (size_t) CHAIN_SPACE_LEN(chain);
 		if (avail > (howmuch - so_far) && exact)
 			avail = howmuch - so_far;
-		vecs[i].iov_base = CHAIN_SPACE_PTR(chain);
+		vecs[i].iov_base = (void *)CHAIN_SPACE_PTR(chain);
 		vecs[i].iov_len = avail;
 		so_far += avail;
 		chain = chain->next;
@@ -2068,7 +2249,7 @@
 static int
 get_n_bytes_readable_on_socket(evutil_socket_t fd)
 {
-#if defined(FIONREAD) && defined(WIN32)
+#if defined(FIONREAD) && defined(_WIN32)
 	unsigned long lng = EVBUFFER_MAX_READ;
 	if (ioctlsocket(fd, FIONREAD, &lng) < 0)
 		return -1;
@@ -2116,26 +2297,26 @@
 #ifdef USE_IOVEC_IMPL
 	/* Since we can use iovecs, we're willing to use the last
 	 * NUM_READ_IOVEC chains. */
-	if (_evbuffer_expand_fast(buf, howmuch, NUM_READ_IOVEC) == -1) {
+	if (evbuffer_expand_fast_(buf, howmuch, NUM_READ_IOVEC) == -1) {
 		result = -1;
 		goto done;
 	} else {
 		IOV_TYPE vecs[NUM_READ_IOVEC];
-#ifdef _EVBUFFER_IOVEC_IS_NATIVE
-		nvecs = _evbuffer_read_setup_vecs(buf, howmuch, vecs,
+#ifdef EVBUFFER_IOVEC_IS_NATIVE_
+		nvecs = evbuffer_read_setup_vecs_(buf, howmuch, vecs,
 		    NUM_READ_IOVEC, &chainp, 1);
 #else
 		/* We aren't using the native struct iovec.  Therefore,
 		   we are on win32. */
 		struct evbuffer_iovec ev_vecs[NUM_READ_IOVEC];
-		nvecs = _evbuffer_read_setup_vecs(buf, howmuch, ev_vecs, 2,
+		nvecs = evbuffer_read_setup_vecs_(buf, howmuch, ev_vecs, 2,
 		    &chainp, 1);
 
 		for (i=0; i < nvecs; ++i)
 			WSABUF_FROM_EVBUFFER_IOV(&vecs[i], &ev_vecs[i]);
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 		{
 			DWORD bytesRead;
 			DWORD flags=0;
@@ -2166,7 +2347,7 @@
 	/* We can append new data at this point */
 	p = chain->buffer + chain->misalign + chain->off;
 
-#ifndef WIN32
+#ifndef _WIN32
 	n = read(fd, p, howmuch);
 #else
 	n = recv(fd, p, howmuch, 0);
@@ -2210,63 +2391,13 @@
 	buf->n_add_for_cb += n;
 
 	/* Tell someone about changes in this buffer */
-	evbuffer_invoke_callbacks(buf);
+	evbuffer_invoke_callbacks_(buf);
 	result = n;
 done:
 	EVBUFFER_UNLOCK(buf);
 	return result;
 }
 
-#ifdef WIN32
-static int
-evbuffer_readfile(struct evbuffer *buf, evutil_socket_t fd, ev_ssize_t howmuch)
-{
-	int result;
-	int nchains, n;
-	struct evbuffer_iovec v[2];
-
-	EVBUFFER_LOCK(buf);
-
-	if (buf->freeze_end) {
-		result = -1;
-		goto done;
-	}
-
-	if (howmuch < 0)
-		howmuch = 16384;
-
-
-	/* XXX we _will_ waste some space here if there is any space left
-	 * over on buf->last. */
-	nchains = evbuffer_reserve_space(buf, howmuch, v, 2);
-	if (nchains < 1 || nchains > 2) {
-		result = -1;
-		goto done;
-	}
-	n = read((int)fd, v[0].iov_base, (unsigned int)v[0].iov_len);
-	if (n <= 0) {
-		result = n;
-		goto done;
-	}
-	v[0].iov_len = (IOV_LEN_TYPE) n; /* XXXX another problem with big n.*/
-	if (nchains > 1) {
-		n = read((int)fd, v[1].iov_base, (unsigned int)v[1].iov_len);
-		if (n <= 0) {
-			result = (unsigned long) v[0].iov_len;
-			evbuffer_commit_space(buf, v, 1);
-			goto done;
-		}
-		v[1].iov_len = n;
-	}
-	evbuffer_commit_space(buf, v, nchains);
-
-	result = n;
-done:
-	EVBUFFER_UNLOCK(buf);
-	return result;
-}
-#endif
-
 #ifdef USE_IOVEC_IMPL
 static inline int
 evbuffer_write_iovec(struct evbuffer *buffer, evutil_socket_t fd,
@@ -2303,7 +2434,8 @@
 	}
 	if (! i)
 		return 0;
-#ifdef WIN32
+
+#ifdef _WIN32
 	{
 		DWORD bytesSent;
 		if (WSASend(fd, iov, i, &bytesSent, 0, NULL, NULL))
@@ -2320,37 +2452,39 @@
 
 #ifdef USE_SENDFILE
 static inline int
-evbuffer_write_sendfile(struct evbuffer *buffer, evutil_socket_t fd,
+evbuffer_write_sendfile(struct evbuffer *buffer, evutil_socket_t dest_fd,
     ev_ssize_t howmuch)
 {
 	struct evbuffer_chain *chain = buffer->first;
-	struct evbuffer_chain_fd *info =
-	    EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_fd, chain);
+	struct evbuffer_chain_file_segment *info =
+	    EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_file_segment,
+		chain);
+	const int source_fd = info->segment->fd;
 #if defined(SENDFILE_IS_MACOSX) || defined(SENDFILE_IS_FREEBSD)
 	int res;
-	off_t len = chain->off;
+	ev_off_t len = chain->off;
 #elif defined(SENDFILE_IS_LINUX) || defined(SENDFILE_IS_SOLARIS)
 	ev_ssize_t res;
-	off_t offset = chain->misalign;
+	ev_off_t offset = chain->misalign;
 #endif
 
 	ASSERT_EVBUFFER_LOCKED(buffer);
 
 #if defined(SENDFILE_IS_MACOSX)
-	res = sendfile(info->fd, fd, chain->misalign, &len, NULL, 0);
+	res = sendfile(source_fd, dest_fd, chain->misalign, &len, NULL, 0);
 	if (res == -1 && !EVUTIL_ERR_RW_RETRIABLE(errno))
 		return (-1);
 
 	return (len);
 #elif defined(SENDFILE_IS_FREEBSD)
-	res = sendfile(info->fd, fd, chain->misalign, chain->off, NULL, &len, 0);
+	res = sendfile(source_fd, dest_fd, chain->misalign, chain->off, NULL, &len, 0);
 	if (res == -1 && !EVUTIL_ERR_RW_RETRIABLE(errno))
 		return (-1);
 
 	return (len);
 #elif defined(SENDFILE_IS_LINUX)
 	/* TODO(niels): implement splice */
-	res = sendfile(fd, info->fd, &offset, chain->off);
+	res = sendfile(dest_fd, source_fd, &offset, chain->off);
 	if (res == -1 && EVUTIL_ERR_RW_RETRIABLE(errno)) {
 		/* if this is EAGAIN or EINTR return 0; otherwise, -1 */
 		return (0);
@@ -2359,7 +2493,7 @@
 #elif defined(SENDFILE_IS_SOLARIS)
 	{
 		const off_t offset_orig = offset;
-		res = sendfile(fd, info->fd, &offset, chain->off);
+		res = sendfile(dest_fd, source_fd, &offset, chain->off);
 		if (res == -1 && EVUTIL_ERR_RW_RETRIABLE(errno)) {
 			if (offset - offset_orig)
 				return offset - offset_orig;
@@ -2397,7 +2531,7 @@
 #endif
 #ifdef USE_IOVEC_IMPL
 		n = evbuffer_write_iovec(buffer, fd, howmuch);
-#elif defined(WIN32)
+#elif defined(_WIN32)
 		/* XXX(nickm) Don't disable this code until we know if
 		 * the WSARecv code above works. */
 		void *p = evbuffer_pullup(buffer, howmuch);
@@ -2447,12 +2581,38 @@
 	return search;
 }
 
+/* Subract <b>howfar</b> from the position of <b>pos</b> within
+ * <b>buf</b>. Returns 0 on success, -1 on failure.
+ *
+ * This isn't exposed yet, because of potential inefficiency issues.
+ * Maybe it should be. */
+static int
+evbuffer_ptr_subtract(struct evbuffer *buf, struct evbuffer_ptr *pos,
+    size_t howfar)
+{
+	if (pos->pos < 0)
+		return -1;
+	if (howfar > (size_t)pos->pos)
+		return -1;
+	if (pos->internal_.chain && howfar <= pos->internal_.pos_in_chain) {
+		pos->internal_.pos_in_chain -= howfar;
+		pos->pos -= howfar;
+		return 0;
+	} else {
+		const size_t newpos = pos->pos - howfar;
+		/* Here's the inefficient part: it walks over the
+		 * chains until we hit newpos. */
+		return evbuffer_ptr_set(buf, pos, newpos, EVBUFFER_PTR_SET);
+	}
+}
+
 int
 evbuffer_ptr_set(struct evbuffer *buf, struct evbuffer_ptr *pos,
     size_t position, enum evbuffer_ptr_how how)
 {
 	size_t left = position;
 	struct evbuffer_chain *chain = NULL;
+	int result = 0;
 
 	EVBUFFER_LOCK(buf);
 
@@ -2469,9 +2629,9 @@
 			EVBUFFER_UNLOCK(buf);
 			return -1;
 		}
-		chain = pos->_internal.chain;
+		chain = pos->internal_.chain;
 		pos->pos += position;
-		position = pos->_internal.pos_in_chain;
+		position = pos->internal_.pos_in_chain;
 		break;
 	}
 
@@ -2482,16 +2642,20 @@
 		position = 0;
 	}
 	if (chain) {
-		pos->_internal.chain = chain;
-		pos->_internal.pos_in_chain = position + left;
+		pos->internal_.chain = chain;
+		pos->internal_.pos_in_chain = position + left;
+	} else if (left == 0) {
+		/* The first byte in the (nonexistent) chain after the last chain */
+		pos->internal_.chain = NULL;
+		pos->internal_.pos_in_chain = 0;
 	} else {
-		pos->_internal.chain = NULL;
-		pos->pos = -1;
+		PTR_NOT_FOUND(pos);
+		result = -1;
 	}
 
 	EVBUFFER_UNLOCK(buf);
 
-	return chain != NULL ? 0 : -1;
+	return result;
 }
 
 /**
@@ -2513,8 +2677,8 @@
 	    pos->pos + len > buf->total_len)
 		return -1;
 
-	chain = pos->_internal.chain;
-	position = pos->_internal.pos_in_chain;
+	chain = pos->internal_.chain;
+	position = pos->internal_.pos_in_chain;
 	while (len && chain) {
 		size_t n_comparable;
 		if (len + position > chain->off)
@@ -2552,15 +2716,15 @@
 
 	if (start) {
 		memcpy(&pos, start, sizeof(pos));
-		chain = pos._internal.chain;
+		chain = pos.internal_.chain;
 	} else {
 		pos.pos = 0;
-		chain = pos._internal.chain = buffer->first;
-		pos._internal.pos_in_chain = 0;
+		chain = pos.internal_.chain = buffer->first;
+		pos.internal_.pos_in_chain = 0;
 	}
 
 	if (end)
-		last_chain = end->_internal.chain;
+		last_chain = end->internal_.chain;
 
 	if (!len || len > EV_SSIZE_MAX)
 		goto done;
@@ -2570,12 +2734,12 @@
 	while (chain) {
 		const unsigned char *start_at =
 		    chain->buffer + chain->misalign +
-		    pos._internal.pos_in_chain;
+		    pos.internal_.pos_in_chain;
 		p = memchr(start_at, first,
-		    chain->off - pos._internal.pos_in_chain);
+		    chain->off - pos.internal_.pos_in_chain);
 		if (p) {
 			pos.pos += p - start_at;
-			pos._internal.pos_in_chain += p - start_at;
+			pos.internal_.pos_in_chain += p - start_at;
 			if (!evbuffer_ptr_memcmp(buffer, &pos, what, len)) {
 				if (end && pos.pos + (ev_ssize_t)len > end->pos)
 					goto not_found;
@@ -2583,23 +2747,22 @@
 					goto done;
 			}
 			++pos.pos;
-			++pos._internal.pos_in_chain;
-			if (pos._internal.pos_in_chain == chain->off) {
-				chain = pos._internal.chain = chain->next;
-				pos._internal.pos_in_chain = 0;
+			++pos.internal_.pos_in_chain;
+			if (pos.internal_.pos_in_chain == chain->off) {
+				chain = pos.internal_.chain = chain->next;
+				pos.internal_.pos_in_chain = 0;
 			}
 		} else {
 			if (chain == last_chain)
 				goto not_found;
-			pos.pos += chain->off - pos._internal.pos_in_chain;
-			chain = pos._internal.chain = chain->next;
-			pos._internal.pos_in_chain = 0;
+			pos.pos += chain->off - pos.internal_.pos_in_chain;
+			chain = pos.internal_.chain = chain->next;
+			pos.internal_.pos_in_chain = 0;
 		}
 	}
 
 not_found:
-	pos.pos = -1;
-	pos._internal.chain = NULL;
+	PTR_NOT_FOUND(&pos);
 done:
 	EVBUFFER_UNLOCK(buffer);
 	return pos;
@@ -2614,16 +2777,20 @@
 	int idx = 0;
 	ev_ssize_t len_so_far = 0;
 
+	/* Avoid locking in trivial edge cases */
+	if (start_at && start_at->internal_.chain == NULL)
+		return 0;
+
 	EVBUFFER_LOCK(buffer);
 
 	if (start_at) {
-		chain = start_at->_internal.chain;
+		chain = start_at->internal_.chain;
 		len_so_far = chain->off
-		    - start_at->_internal.pos_in_chain;
+		    - start_at->internal_.pos_in_chain;
 		idx = 1;
 		if (n_vec > 0) {
-			vec[0].iov_base = chain->buffer + chain->misalign
-			    + start_at->_internal.pos_in_chain;
+			vec[0].iov_base = (void *)(chain->buffer + chain->misalign
+			    + start_at->internal_.pos_in_chain);
 			vec[0].iov_len = len_so_far;
 		}
 		chain = chain->next;
@@ -2644,7 +2811,7 @@
 		if (len >= 0 && len_so_far >= len)
 			break;
 		if (idx<n_vec) {
-			vec[idx].iov_base = chain->buffer + chain->misalign;
+			vec[idx].iov_base = (void *)(chain->buffer + chain->misalign);
 			vec[idx].iov_len = chain->off;
 		} else if (len<0) {
 			break;
@@ -2710,7 +2877,7 @@
 			buf->n_add_for_cb += sz;
 
 			advance_last_with_data(buf);
-			evbuffer_invoke_callbacks(buf);
+			evbuffer_invoke_callbacks_(buf);
 			result = sz;
 			goto done;
 		}
@@ -2750,7 +2917,7 @@
 	if (!chain)
 		return (-1);
 	chain->flags |= EVBUFFER_REFERENCE | EVBUFFER_IMMUTABLE;
-	chain->buffer = (u_char *)data;
+	chain->buffer = (unsigned char *)data;
 	chain->buffer_len = datlen;
 	chain->off = datlen;
 
@@ -2768,7 +2935,7 @@
 	evbuffer_chain_insert(outbuf, chain);
 	outbuf->n_add_for_cb += datlen;
 
-	evbuffer_invoke_callbacks(outbuf);
+	evbuffer_invoke_callbacks_(outbuf);
 
 	result = 0;
 done:
@@ -2777,175 +2944,361 @@
 	return result;
 }
 
-/* TODO(niels): maybe we don't want to own the fd, however, in that
- * case, we should dup it - dup is cheap.  Perhaps, we should use a
- * callback instead?
- */
 /* TODO(niels): we may want to add to automagically convert to mmap, in
  * case evbuffer_remove() or evbuffer_pullup() are being used.
  */
-int
-evbuffer_add_file(struct evbuffer *outbuf, int fd,
-    ev_off_t offset, ev_off_t length)
+struct evbuffer_file_segment *
+evbuffer_file_segment_new(
+	int fd, ev_off_t offset, ev_off_t length, unsigned flags)
 {
-#if defined(USE_SENDFILE) || defined(_EVENT_HAVE_MMAP)
-	struct evbuffer_chain *chain;
-	struct evbuffer_chain_fd *info;
+	struct evbuffer_file_segment *seg =
+	    mm_calloc(sizeof(struct evbuffer_file_segment), 1);
+	if (!seg)
+		return NULL;
+	seg->refcnt = 1;
+	seg->fd = fd;
+	seg->flags = flags;
+	seg->file_offset = offset;
+	seg->cleanup_cb = NULL;
+	seg->cleanup_cb_arg = NULL;
+#ifdef _WIN32
+#ifndef lseek
+#define lseek _lseeki64
 #endif
-#if defined(USE_SENDFILE)
-	int sendfile_okay = 1;
+#ifndef fstat
+#define fstat _fstat
 #endif
-	int ok = 1;
+#ifndef stat
+#define stat _stat
+#endif
+#endif
+	if (length == -1) {
+		struct stat st;
+		if (fstat(fd, &st) < 0)
+			goto err;
+		length = st.st_size;
+	}
+	seg->length = length;
 
 	if (offset < 0 || length < 0 ||
 	    ((ev_uint64_t)length > EVBUFFER_CHAIN_MAX) ||
 	    (ev_uint64_t)offset > (ev_uint64_t)(EVBUFFER_CHAIN_MAX - length))
-		return (-1);
+		goto err;
 
 #if defined(USE_SENDFILE)
-	if (use_sendfile) {
-		EVBUFFER_LOCK(outbuf);
-		sendfile_okay = outbuf->flags & EVBUFFER_FLAG_DRAINS_TO_FD;
-		EVBUFFER_UNLOCK(outbuf);
+	if (!(flags & EVBUF_FS_DISABLE_SENDFILE)) {
+		seg->can_sendfile = 1;
+		goto done;
 	}
-
-	if (use_sendfile && sendfile_okay) {
-		chain = evbuffer_chain_new(sizeof(struct evbuffer_chain_fd));
-		if (chain == NULL) {
-			event_warn("%s: out of memory", __func__);
-			return (-1);
-		}
-
-		chain->flags |= EVBUFFER_SENDFILE | EVBUFFER_IMMUTABLE;
-		chain->buffer = NULL;	/* no reading possible */
-		chain->buffer_len = length + offset;
-		chain->off = length;
-		chain->misalign = offset;
-
-		info = EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_fd, chain);
-		info->fd = fd;
-
-		EVBUFFER_LOCK(outbuf);
-		if (outbuf->freeze_end) {
-			mm_free(chain);
-			ok = 0;
-		} else {
-			outbuf->n_add_for_cb += length;
-			evbuffer_chain_insert(outbuf, chain);
-		}
-	} else
 #endif
-#if defined(_EVENT_HAVE_MMAP)
-	if (use_mmap) {
-		void *mapped = mmap(NULL, length + offset, PROT_READ,
+
+	if (evbuffer_file_segment_materialize(seg)<0)
+		goto err;
+
+#if defined(USE_SENDFILE)
+done:
+#endif
+	if (!(flags & EVBUF_FS_DISABLE_LOCKING)) {
+		EVTHREAD_ALLOC_LOCK(seg->lock, 0);
+	}
+	return seg;
+err:
+	mm_free(seg);
+	return NULL;
+}
+
+#ifdef EVENT__HAVE_MMAP
+static long
+get_page_size(void)
+{
+#ifdef SC_PAGE_SIZE
+	return sysconf(SC_PAGE_SIZE);
+#elif defined(_SC_PAGE_SIZE)
+	return sysconf(_SC_PAGE_SIZE);
+#else
+	return 1;
+#endif
+}
+#endif
+
+/* DOCDOC */
+/* Requires lock */
+static int
+evbuffer_file_segment_materialize(struct evbuffer_file_segment *seg)
+{
+	const unsigned flags = seg->flags;
+	const int fd = seg->fd;
+	const ev_off_t length = seg->length;
+	const ev_off_t offset = seg->file_offset;
+
+	if (seg->contents)
+		return 0; /* already materialized */
+
+#if defined(EVENT__HAVE_MMAP)
+	if (!(flags & EVBUF_FS_DISABLE_MMAP)) {
+		off_t offset_rounded = 0, offset_leftover = 0;
+		void *mapped;
+		if (offset) {
+			/* mmap implementations don't generally like us
+			 * to have an offset that isn't a round  */
+			long page_size = get_page_size();
+			if (page_size == -1)
+				goto err;
+			offset_leftover = offset % page_size;
+			offset_rounded = offset - offset_leftover;
+		}
+		mapped = mmap(NULL, length + offset_leftover,
+		    PROT_READ,
 #ifdef MAP_NOCACHE
-		    MAP_NOCACHE |
+		    MAP_NOCACHE | /* ??? */
 #endif
 #ifdef MAP_FILE
 		    MAP_FILE |
 #endif
 		    MAP_PRIVATE,
-		    fd, 0);
-		/* some mmap implementations require offset to be a multiple of
-		 * the page size.  most users of this api, are likely to use 0
-		 * so mapping everything is not likely to be a problem.
-		 * TODO(niels): determine page size and round offset to that
-		 * page size to avoid mapping too much memory.
-		 */
+		    fd, offset_rounded);
 		if (mapped == MAP_FAILED) {
 			event_warn("%s: mmap(%d, %d, %zu) failed",
 			    __func__, fd, 0, (size_t)(offset + length));
-			return (-1);
-		}
-		chain = evbuffer_chain_new(sizeof(struct evbuffer_chain_fd));
-		if (chain == NULL) {
-			event_warn("%s: out of memory", __func__);
-			munmap(mapped, length);
-			return (-1);
-		}
-
-		chain->flags |= EVBUFFER_MMAP | EVBUFFER_IMMUTABLE;
-		chain->buffer = mapped;
-		chain->buffer_len = length + offset;
-		chain->off = length + offset;
-
-		info = EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_fd, chain);
-		info->fd = fd;
-
-		EVBUFFER_LOCK(outbuf);
-		if (outbuf->freeze_end) {
-			info->fd = -1;
-			evbuffer_chain_free(chain);
-			ok = 0;
 		} else {
-			outbuf->n_add_for_cb += length;
-
-			evbuffer_chain_insert(outbuf, chain);
-
-			/* we need to subtract whatever we don't need */
-			evbuffer_drain(outbuf, offset);
-		}
-	} else
-#endif
-	{
-		/* the default implementation */
-		struct evbuffer *tmp = evbuffer_new();
-		ev_ssize_t read;
-
-		if (tmp == NULL)
-			return (-1);
-
-#ifdef WIN32
-#define lseek _lseeki64
-#endif
-		if (lseek(fd, offset, SEEK_SET) == -1) {
-			evbuffer_free(tmp);
-			return (-1);
-		}
-
-		/* we add everything to a temporary buffer, so that we
-		 * can abort without side effects if the read fails.
-		 */
-		while (length) {
-			ev_ssize_t to_read = length > EV_SSIZE_MAX ? EV_SSIZE_MAX : (ev_ssize_t)length;
-			read = evbuffer_readfile(tmp, fd, to_read);
-			if (read == -1) {
-				evbuffer_free(tmp);
-				return (-1);
-			}
-
-			length -= read;
-		}
-
-		EVBUFFER_LOCK(outbuf);
-		if (outbuf->freeze_end) {
-			evbuffer_free(tmp);
-			ok = 0;
-		} else {
-			evbuffer_add_buffer(outbuf, tmp);
-			evbuffer_free(tmp);
-
-#ifdef WIN32
-#define close _close
-#endif
-			close(fd);
+			seg->mapping = mapped;
+			seg->contents = (char*)mapped+offset_leftover;
+			seg->mmap_offset = 0;
+			seg->is_mapping = 1;
+			goto done;
 		}
 	}
+#endif
+#ifdef _WIN32
+	if (!(flags & EVBUF_FS_DISABLE_MMAP)) {
+		intptr_t h = _get_osfhandle(fd);
+		HANDLE m;
+		ev_uint64_t total_size = length+offset;
+		if ((HANDLE)h == INVALID_HANDLE_VALUE)
+			goto err;
+		m = CreateFileMapping((HANDLE)h, NULL, PAGE_READONLY,
+		    (total_size >> 32), total_size & 0xfffffffful,
+		    NULL);
+		if (m != INVALID_HANDLE_VALUE) { /* Does h leak? */
+			seg->mapping_handle = m;
+			seg->mmap_offset = offset;
+			seg->is_mapping = 1;
+			goto done;
+		}
+	}
+#endif
+	{
+		ev_off_t start_pos = lseek(fd, 0, SEEK_CUR), pos;
+		ev_off_t read_so_far = 0;
+		char *mem;
+		int e;
+		ev_ssize_t n = 0;
+		if (!(mem = mm_malloc(length)))
+			goto err;
+		if (start_pos < 0) {
+			mm_free(mem);
+			goto err;
+		}
+		if (lseek(fd, offset, SEEK_SET) < 0) {
+			mm_free(mem);
+			goto err;
+		}
+		while (read_so_far < length) {
+			n = read(fd, mem+read_so_far, length-read_so_far);
+			if (n <= 0)
+				break;
+			read_so_far += n;
+		}
 
-	if (ok)
-		evbuffer_invoke_callbacks(outbuf);
-	EVBUFFER_UNLOCK(outbuf);
+		e = errno;
+		pos = lseek(fd, start_pos, SEEK_SET);
+		if (n < 0 || (n == 0 && length > read_so_far)) {
+			mm_free(mem);
+			errno = e;
+			goto err;
+		} else if (pos < 0) {
+			mm_free(mem);
+			goto err;
+		}
 
-	return ok ? 0 : -1;
+		seg->contents = mem;
+	}
+
+done:
+	return 0;
+err:
+	return -1;
 }
 
+void evbuffer_file_segment_add_cleanup_cb(struct evbuffer_file_segment *seg,
+	evbuffer_file_segment_cleanup_cb cb, void* arg)
+{
+	EVUTIL_ASSERT(seg->refcnt > 0);
+	seg->cleanup_cb = cb;
+	seg->cleanup_cb_arg = arg;
+}
+
+void
+evbuffer_file_segment_free(struct evbuffer_file_segment *seg)
+{
+	int refcnt;
+	EVLOCK_LOCK(seg->lock, 0);
+	refcnt = --seg->refcnt;
+	EVLOCK_UNLOCK(seg->lock, 0);
+	if (refcnt > 0)
+		return;
+	EVUTIL_ASSERT(refcnt == 0);
+
+	if (seg->is_mapping) {
+#ifdef _WIN32
+		CloseHandle(seg->mapping_handle);
+#elif defined (EVENT__HAVE_MMAP)
+		off_t offset_leftover;
+		offset_leftover = seg->file_offset % get_page_size();
+		if (munmap(seg->mapping, seg->length + offset_leftover) == -1)
+			event_warn("%s: munmap failed", __func__);
+#endif
+	} else if (seg->contents) {
+		mm_free(seg->contents);
+	}
+
+	if ((seg->flags & EVBUF_FS_CLOSE_ON_FREE) && seg->fd >= 0) {
+		close(seg->fd);
+	}
+	
+	if (seg->cleanup_cb) {
+		(*seg->cleanup_cb)((struct evbuffer_file_segment const*)seg, 
+		    seg->flags, seg->cleanup_cb_arg);
+		seg->cleanup_cb = NULL;
+		seg->cleanup_cb_arg = NULL;
+	}
+
+	EVTHREAD_FREE_LOCK(seg->lock, 0);
+	mm_free(seg);
+}
+
+int
+evbuffer_add_file_segment(struct evbuffer *buf,
+    struct evbuffer_file_segment *seg, ev_off_t offset, ev_off_t length)
+{
+	struct evbuffer_chain *chain;
+	struct evbuffer_chain_file_segment *extra;
+	int can_use_sendfile = 0;
+
+	EVBUFFER_LOCK(buf);
+	EVLOCK_LOCK(seg->lock, 0);
+	if (buf->flags & EVBUFFER_FLAG_DRAINS_TO_FD) {
+		can_use_sendfile = 1;
+	} else {
+		if (!seg->contents) {
+			if (evbuffer_file_segment_materialize(seg)<0) {
+				EVLOCK_UNLOCK(seg->lock, 0);
+				EVBUFFER_UNLOCK(buf);
+				return -1;
+			}
+		}
+	}
+	++seg->refcnt;
+	EVLOCK_UNLOCK(seg->lock, 0);
+
+	if (buf->freeze_end)
+		goto err;
+
+	if (length < 0) {
+		if (offset > seg->length)
+			goto err;
+		length = seg->length - offset;
+	}
+
+	/* Can we actually add this? */
+	if (offset+length > seg->length)
+		goto err;
+
+	chain = evbuffer_chain_new(sizeof(struct evbuffer_chain_file_segment));
+	if (!chain)
+		goto err;
+	extra = EVBUFFER_CHAIN_EXTRA(struct evbuffer_chain_file_segment, chain);
+
+	chain->flags |= EVBUFFER_IMMUTABLE|EVBUFFER_FILESEGMENT;
+	if (can_use_sendfile && seg->can_sendfile) {
+		chain->flags |= EVBUFFER_SENDFILE;
+		chain->misalign = seg->file_offset + offset;
+		chain->off = length;
+		chain->buffer_len = chain->misalign + length;
+	} else if (seg->is_mapping) {
+#ifdef _WIN32
+		ev_uint64_t total_offset = seg->mmap_offset+offset;
+		ev_uint64_t offset_rounded=0, offset_remaining=0;
+		LPVOID data;
+		if (total_offset) {
+			SYSTEM_INFO si;
+			memset(&si, 0, sizeof(si)); /* cargo cult */
+			GetSystemInfo(&si);
+			offset_remaining = total_offset % si.dwAllocationGranularity;
+			offset_rounded = total_offset - offset_remaining;
+		}
+		data = MapViewOfFile(
+			seg->mapping_handle,
+			FILE_MAP_READ,
+			offset_rounded >> 32,
+			offset_rounded & 0xfffffffful,
+			length + offset_remaining);
+		if (data == NULL) {
+			mm_free(chain);
+			goto err;
+		}
+		chain->buffer = (unsigned char*) data;
+		chain->buffer_len = length+offset_remaining;
+		chain->misalign = offset_remaining;
+		chain->off = length;
+#else
+		chain->buffer = (unsigned char*)(seg->contents + offset);
+		chain->buffer_len = length;
+		chain->off = length;
+#endif
+	} else {
+		chain->buffer = (unsigned char*)(seg->contents + offset);
+		chain->buffer_len = length;
+		chain->off = length;
+	}
+
+	extra->segment = seg;
+	buf->n_add_for_cb += length;
+	evbuffer_chain_insert(buf, chain);
+
+	evbuffer_invoke_callbacks_(buf);
+
+	EVBUFFER_UNLOCK(buf);
+
+	return 0;
+err:
+	EVBUFFER_UNLOCK(buf);
+	evbuffer_file_segment_free(seg); /* Lowers the refcount */
+	return -1;
+}
+
+int
+evbuffer_add_file(struct evbuffer *buf, int fd, ev_off_t offset, ev_off_t length)
+{
+	struct evbuffer_file_segment *seg;
+	unsigned flags = EVBUF_FS_CLOSE_ON_FREE;
+	int r;
+
+	seg = evbuffer_file_segment_new(fd, offset, length, flags);
+	if (!seg)
+		return -1;
+	r = evbuffer_add_file_segment(buf, seg, 0, length);
+	if (r == 0)
+		evbuffer_file_segment_free(seg);
+	return r;
+}
 
 void
 evbuffer_setcb(struct evbuffer *buffer, evbuffer_cb cb, void *cbarg)
 {
 	EVBUFFER_LOCK(buffer);
 
-	if (!TAILQ_EMPTY(&buffer->callbacks))
+	if (!LIST_EMPTY(&buffer->callbacks))
 		evbuffer_remove_all_callbacks(buffer);
 
 	if (cb) {
@@ -2967,7 +3320,7 @@
 	e->cb.cb_func = cb;
 	e->cbarg = cbarg;
 	e->flags = EVBUFFER_CB_ENABLED;
-	TAILQ_INSERT_HEAD(&buffer->callbacks, e, next);
+	LIST_INSERT_HEAD(&buffer->callbacks, e, next);
 	EVBUFFER_UNLOCK(buffer);
 	return e;
 }
@@ -2977,7 +3330,7 @@
 			 struct evbuffer_cb_entry *ent)
 {
 	EVBUFFER_LOCK(buffer);
-	TAILQ_REMOVE(&buffer->callbacks, ent, next);
+	LIST_REMOVE(ent, next);
 	EVBUFFER_UNLOCK(buffer);
 	mm_free(ent);
 	return 0;
@@ -2989,7 +3342,7 @@
 	struct evbuffer_cb_entry *cbent;
 	int result = -1;
 	EVBUFFER_LOCK(buffer);
-	TAILQ_FOREACH(cbent, &buffer->callbacks, next) {
+	LIST_FOREACH(cbent, &buffer->callbacks, next) {
 		if (cb == cbent->cb.cb_func && cbarg == cbent->cbarg) {
 			result = evbuffer_remove_cb_entry(buffer, cbent);
 			goto done;
@@ -3074,50 +3427,21 @@
 }
 #endif
 
-/* These hooks are exposed so that the unit tests can temporarily disable
- * sendfile support in order to test mmap, or both to test linear
- * access. Don't use it; if we need to add a way to disable sendfile support
- * in the future, it will probably be via an alternate version of
- * evbuffer_add_file() with a 'flags' argument.
- */
-int _evbuffer_testing_use_sendfile(void);
-int _evbuffer_testing_use_mmap(void);
-int _evbuffer_testing_use_linear_file_access(void);
-
 int
-_evbuffer_testing_use_sendfile(void)
+evbuffer_get_callbacks_(struct evbuffer *buffer, struct event_callback **cbs,
+    int max_cbs)
 {
-	int ok = 0;
-#ifdef USE_SENDFILE
-	use_sendfile = 1;
-	ok = 1;
-#endif
-#ifdef _EVENT_HAVE_MMAP
-	use_mmap = 0;
-#endif
-	return ok;
-}
-int
-_evbuffer_testing_use_mmap(void)
-{
-	int ok = 0;
-#ifdef USE_SENDFILE
-	use_sendfile = 0;
-#endif
-#ifdef _EVENT_HAVE_MMAP
-	use_mmap = 1;
-	ok = 1;
-#endif
-	return ok;
-}
-int
-_evbuffer_testing_use_linear_file_access(void)
-{
-#ifdef USE_SENDFILE
-	use_sendfile = 0;
-#endif
-#ifdef _EVENT_HAVE_MMAP
-	use_mmap = 0;
-#endif
-	return 1;
+	int r = 0;
+	EVBUFFER_LOCK(buffer);
+	if (buffer->deferred_cbs) {
+		if (max_cbs < 1) {
+			r = -1;
+			goto done;
+		}
+		cbs[0] = &buffer->deferred;
+		r = 1;
+	}
+done:
+	EVBUFFER_UNLOCK(buffer);
+	return r;
 }
diff --git a/buffer_iocp.c b/buffer_iocp.c
index 5d5303e..2d76a90 100644
--- a/buffer_iocp.c
+++ b/buffer_iocp.c
@@ -30,12 +30,13 @@
    This module implements overlapped read and write functions for evbuffer
    objects on Windows.
 */
+#include "event2/event-config.h"
+#include "evconfig-private.h"
 
 #include "event2/buffer.h"
 #include "event2/buffer_compat.h"
 #include "event2/util.h"
 #include "event2/thread.h"
-#include "event2/event-config.h"
 #include "util-internal.h"
 #include "evthread-internal.h"
 #include "evbuffer-internal.h"
@@ -87,13 +88,13 @@
 	for (i = 0; i < eo->n_buffers; ++i) {
 		EVUTIL_ASSERT(chain);
 		next = chain->next;
-		_evbuffer_chain_unpin(chain, flag);
+		evbuffer_chain_unpin_(chain, flag);
 		chain = next;
 	}
 }
 
 void
-evbuffer_commit_read(struct evbuffer *evbuf, ev_ssize_t nBytes)
+evbuffer_commit_read_(struct evbuffer *evbuf, ev_ssize_t nBytes)
 {
 	struct evbuffer_overlapped *buf = upcast_evbuffer(evbuf);
 	struct evbuffer_chain **chainp;
@@ -128,13 +129,13 @@
 	evbuf->total_len += nBytes;
 	evbuf->n_add_for_cb += nBytes;
 
-	evbuffer_invoke_callbacks(evbuf);
+	evbuffer_invoke_callbacks_(evbuf);
 
-	_evbuffer_decref_and_unlock(evbuf);
+	evbuffer_decref_and_unlock_(evbuf);
 }
 
 void
-evbuffer_commit_write(struct evbuffer *evbuf, ev_ssize_t nBytes)
+evbuffer_commit_write_(struct evbuffer *evbuf, ev_ssize_t nBytes)
 {
 	struct evbuffer_overlapped *buf = upcast_evbuffer(evbuf);
 
@@ -144,11 +145,11 @@
 	evbuffer_drain(evbuf, nBytes);
 	pin_release(buf,EVBUFFER_MEM_PINNED_W);
 	buf->write_in_progress = 0;
-	_evbuffer_decref_and_unlock(evbuf);
+	evbuffer_decref_and_unlock_(evbuf);
 }
 
 struct evbuffer *
-evbuffer_overlapped_new(evutil_socket_t fd)
+evbuffer_overlapped_new_(evutil_socket_t fd)
 {
 	struct evbuffer_overlapped *evo;
 
@@ -156,7 +157,7 @@
 	if (!evo)
 		return NULL;
 
-	TAILQ_INIT(&evo->buffer.callbacks);
+	LIST_INIT(&evo->buffer.callbacks);
 	evo->buffer.refcnt = 1;
 	evo->buffer.last_with_datap = &evo->buffer.first;
 
@@ -167,7 +168,7 @@
 }
 
 int
-evbuffer_launch_write(struct evbuffer *buf, ev_ssize_t at_most,
+evbuffer_launch_write_(struct evbuffer *buf, ev_ssize_t at_most,
 		struct event_overlapped *ol)
 {
 	struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf);
@@ -203,7 +204,7 @@
 	for (i=0; i < MAX_WSABUFS && chain; ++i, chain=chain->next) {
 		WSABUF *b = &buf_o->buffers[i];
 		b->buf = (char*)( chain->buffer + chain->misalign );
-		_evbuffer_chain_pin(chain, EVBUFFER_MEM_PINNED_W);
+		evbuffer_chain_pin_(chain, EVBUFFER_MEM_PINNED_W);
 
 		if ((size_t)at_most > chain->off) {
 			/* XXXX Cast is safe for now, since win32 has no
@@ -220,7 +221,7 @@
 	}
 
 	buf_o->n_buffers = i;
-	_evbuffer_incref(buf);
+	evbuffer_incref_(buf);
 	if (WSASend(buf_o->fd, buf_o->buffers, i, &bytesSent, 0,
 		&ol->overlapped, NULL)) {
 		int error = WSAGetLastError();
@@ -241,7 +242,7 @@
 }
 
 int
-evbuffer_launch_read(struct evbuffer *buf, size_t at_most,
+evbuffer_launch_read_(struct evbuffer *buf, size_t at_most,
 		struct event_overlapped *ol)
 {
 	struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf);
@@ -264,11 +265,11 @@
 	buf_o->n_buffers = 0;
 	memset(buf_o->buffers, 0, sizeof(buf_o->buffers));
 
-	if (_evbuffer_expand_fast(buf, at_most, MAX_WSABUFS) == -1)
+	if (evbuffer_expand_fast_(buf, at_most, MAX_WSABUFS) == -1)
 		goto done;
 	evbuffer_freeze(buf, 0);
 
-	nvecs = _evbuffer_read_setup_vecs(buf, at_most,
+	nvecs = evbuffer_read_setup_vecs_(buf, at_most,
 	    vecs, MAX_WSABUFS, &chainp, 1);
 	for (i=0;i<nvecs;++i) {
 		WSABUF_FROM_EVBUFFER_IOV(
@@ -281,12 +282,12 @@
 
 	npin=0;
 	for ( ; chain; chain = chain->next) {
-		_evbuffer_chain_pin(chain, EVBUFFER_MEM_PINNED_R);
+		evbuffer_chain_pin_(chain, EVBUFFER_MEM_PINNED_R);
 		++npin;
 	}
 	EVUTIL_ASSERT(npin == nvecs);
 
-	_evbuffer_incref(buf);
+	evbuffer_incref_(buf);
 	if (WSARecv(buf_o->fd, buf_o->buffers, nvecs, &bytesRead, &flags,
 		    &ol->overlapped, NULL)) {
 		int error = WSAGetLastError();
@@ -307,14 +308,14 @@
 }
 
 evutil_socket_t
-_evbuffer_overlapped_get_fd(struct evbuffer *buf)
+evbuffer_overlapped_get_fd_(struct evbuffer *buf)
 {
 	struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf);
 	return buf_o ? buf_o->fd : -1;
 }
 
 void
-_evbuffer_overlapped_set_fd(struct evbuffer *buf, evutil_socket_t fd)
+evbuffer_overlapped_set_fd_(struct evbuffer *buf, evutil_socket_t fd)
 {
 	struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf);
 	EVBUFFER_LOCK(buf);
diff --git a/bufferevent-internal.h b/bufferevent-internal.h
index 8348ab7..9960aef 100644
--- a/bufferevent-internal.h
+++ b/bufferevent-internal.h
@@ -23,14 +23,16 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _BUFFEREVENT_INTERNAL_H_
-#define _BUFFEREVENT_INTERNAL_H_
+#ifndef BUFFEREVENT_INTERNAL_H_INCLUDED_
+#define BUFFEREVENT_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "event2/event-config.h"
+#include "event2/event_struct.h"
+#include "evconfig-private.h"
 #include "event2/util.h"
 #include "defer-internal.h"
 #include "evthread-internal.h"
@@ -38,6 +40,17 @@
 #include "ratelim-internal.h"
 #include "event2/bufferevent_struct.h"
 
+#include "ipv6-internal.h"
+#ifdef _WIN32
+#include <ws2tcpip.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+
 /* These flags are reasons that we might be declining to actually enable
    reading or writing on a bufferevent.
  */
@@ -65,7 +78,7 @@
 
 struct bufferevent_rate_limit_group {
 	/** List of all members in the group */
-	TAILQ_HEAD(rlim_group_member_list, bufferevent_private) members;
+	LIST_HEAD(rlim_group_member_list, bufferevent_private) members;
 	/** Current limits for the group. */
 	struct ev_token_bucket rate_limit;
 	struct ev_token_bucket_cfg rate_limit_cfg;
@@ -103,6 +116,10 @@
 	/** Timeout event that goes off once a tick, when the bucket is ready
 	 * to refill. */
 	struct event master_refill_event;
+
+	/** Seed for weak random number generator. Protected by 'lock' */
+	struct evutil_weakrand_state weakrand_seed;
+
 	/** Lock to protect the members of this group.  This lock should nest
 	 * within every bufferevent lock: if you are holding this lock, do
 	 * not assume you can lock another bufferevent. */
@@ -116,7 +133,7 @@
 	 *
 	 * Note that this field is supposed to be protected by the group
 	 * lock */
-	TAILQ_ENTRY(bufferevent_private) next_in_group;
+	LIST_ENTRY(bufferevent_private) next_in_group;
 	/** The rate-limiting group for this bufferevent, or NULL if it is
 	 * only rate-limited on its own. */
 	struct bufferevent_rate_limit_group *group;
@@ -177,7 +194,7 @@
 	int dns_error;
 
 	/** Used to implement deferred callbacks */
-	struct deferred_cb deferred;
+	struct event_callback deferred;
 
 	/** The options this bufferevent was constructed with */
 	enum bufferevent_options options;
@@ -189,8 +206,30 @@
 	 * If NULL, locking is disabled. */
 	void *lock;
 
+	/** No matter how big our bucket gets, don't try to read more than this
+	 * much in a single read operation. */
+	ev_ssize_t max_single_read;
+
+	/** No matter how big our bucket gets, don't try to write more than this
+	 * much in a single write operation. */
+	ev_ssize_t max_single_write;
+
 	/** Rate-limiting information for this bufferevent */
 	struct bufferevent_rate_limit *rate_limiting;
+
+	/* Saved conn_addr, to extract IP address from it.
+	 *
+	 * Because some servers may reset/close connection without waiting clients,
+	 * in that case we can't extract IP address even in close_cb.
+	 * So we need to save it, just after we connected to remote server, or
+	 * after resolving (to avoid extra dns requests during retrying, since UDP
+	 * is slow) */
+	union {
+		struct sockaddr_in6 in6;
+		struct sockaddr_in in;
+	} conn_address;
+
+	struct evdns_getaddrinfo_request *dns_request;
 };
 
 /** Possible operations for a control callback. */
@@ -238,8 +277,13 @@
 	 */
 	int (*disable)(struct bufferevent *, short);
 
+	/** Detatches the bufferevent from related data structures. Called as
+	 * soon as its reference count reaches 0. */
+	void (*unlink)(struct bufferevent *);
+
 	/** Free any storage and deallocate any extra data or structures used
-	    in this implementation.
+	    in this implementation. Called when the bufferevent is
+	    finalized.
 	 */
 	void (*destruct)(struct bufferevent *);
 
@@ -262,7 +306,7 @@
 #define BEV_IS_FILTER(bevp) ((bevp)->be_ops == &bufferevent_ops_filter)
 #define BEV_IS_PAIR(bevp) ((bevp)->be_ops == &bufferevent_ops_pair)
 
-#ifdef WIN32
+#ifdef _WIN32
 extern const struct bufferevent_ops bufferevent_ops_async;
 #define BEV_IS_ASYNC(bevp) ((bevp)->be_ops == &bufferevent_ops_async)
 #else
@@ -270,69 +314,92 @@
 #endif
 
 /** Initialize the shared parts of a bufferevent. */
-int bufferevent_init_common(struct bufferevent_private *, struct event_base *, const struct bufferevent_ops *, enum bufferevent_options options);
+int bufferevent_init_common_(struct bufferevent_private *, struct event_base *, const struct bufferevent_ops *, enum bufferevent_options options);
 
 /** For internal use: temporarily stop all reads on bufev, until the conditions
  * in 'what' are over. */
-void bufferevent_suspend_read(struct bufferevent *bufev, bufferevent_suspend_flags what);
+void bufferevent_suspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what);
 /** For internal use: clear the conditions 'what' on bufev, and re-enable
  * reading if there are no conditions left. */
-void bufferevent_unsuspend_read(struct bufferevent *bufev, bufferevent_suspend_flags what);
+void bufferevent_unsuspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what);
 
 /** For internal use: temporarily stop all writes on bufev, until the conditions
  * in 'what' are over. */
-void bufferevent_suspend_write(struct bufferevent *bufev, bufferevent_suspend_flags what);
+void bufferevent_suspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what);
 /** For internal use: clear the conditions 'what' on bufev, and re-enable
  * writing if there are no conditions left. */
-void bufferevent_unsuspend_write(struct bufferevent *bufev, bufferevent_suspend_flags what);
+void bufferevent_unsuspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what);
 
 #define bufferevent_wm_suspend_read(b) \
-	bufferevent_suspend_read((b), BEV_SUSPEND_WM)
+	bufferevent_suspend_read_((b), BEV_SUSPEND_WM)
 #define bufferevent_wm_unsuspend_read(b) \
-	bufferevent_unsuspend_read((b), BEV_SUSPEND_WM)
+	bufferevent_unsuspend_read_((b), BEV_SUSPEND_WM)
 
 /*
   Disable a bufferevent.  Equivalent to bufferevent_disable(), but
   first resets 'connecting' flag to force EV_WRITE down for sure.
 
   XXXX this method will go away in the future; try not to add new users.
-    See comment in evhttp_connection_reset() for discussion.
+    See comment in evhttp_connection_reset_() for discussion.
 
   @param bufev the bufferevent to be disabled
   @param event any combination of EV_READ | EV_WRITE.
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_disable()
  */
-int bufferevent_disable_hard(struct bufferevent *bufev, short event);
+int bufferevent_disable_hard_(struct bufferevent *bufev, short event);
 
 /** Internal: Set up locking on a bufferevent.  If lock is set, use it.
  * Otherwise, use a new lock. */
-int bufferevent_enable_locking(struct bufferevent *bufev, void *lock);
-/** Internal: Increment the reference count on bufev. */
-void bufferevent_incref(struct bufferevent *bufev);
+int bufferevent_enable_locking_(struct bufferevent *bufev, void *lock);
+/** Internal: backwards compat macro for the now public function
+ * Increment the reference count on bufev. */
+#define bufferevent_incref_(bufev) bufferevent_incref(bufev)
 /** Internal: Lock bufev and increase its reference count.
  * unlocking it otherwise. */
-void _bufferevent_incref_and_lock(struct bufferevent *bufev);
-/** Internal: Decrement the reference count on bufev.  Returns 1 if it freed
+void bufferevent_incref_and_lock_(struct bufferevent *bufev);
+/** Internal: backwards compat macro for the now public function
+ * Decrement the reference count on bufev.  Returns 1 if it freed
  * the bufferevent.*/
-int bufferevent_decref(struct bufferevent *bufev);
+#define bufferevent_decref_(bufev) bufferevent_decref(bufev)
+
 /** Internal: Drop the reference count on bufev, freeing as necessary, and
  * unlocking it otherwise.  Returns 1 if it freed the bufferevent. */
-int _bufferevent_decref_and_unlock(struct bufferevent *bufev);
+int bufferevent_decref_and_unlock_(struct bufferevent *bufev);
 
 /** Internal: If callbacks are deferred and we have a read callback, schedule
- * a readcb.  Otherwise just run the readcb. */
-void _bufferevent_run_readcb(struct bufferevent *bufev);
+ * a readcb.  Otherwise just run the readcb. Ignores watermarks. */
+void bufferevent_run_readcb_(struct bufferevent *bufev, int options);
 /** Internal: If callbacks are deferred and we have a write callback, schedule
- * a writecb.  Otherwise just run the writecb. */
-void _bufferevent_run_writecb(struct bufferevent *bufev);
+ * a writecb.  Otherwise just run the writecb. Ignores watermarks. */
+void bufferevent_run_writecb_(struct bufferevent *bufev, int options);
 /** Internal: If callbacks are deferred and we have an eventcb, schedule
- * it to run with events "what".  Otherwise just run the eventcb. */
-void _bufferevent_run_eventcb(struct bufferevent *bufev, short what);
+ * it to run with events "what".  Otherwise just run the eventcb.
+ * See bufferevent_trigger_event for meaning of "options". */
+void bufferevent_run_eventcb_(struct bufferevent *bufev, short what, int options);
+
+/** Internal: Run or schedule (if deferred or options contain
+ * BEV_TRIG_DEFER_CALLBACKS) I/O callbacks specified in iotype.
+ * Must already hold the bufev lock. Honors watermarks unless
+ * BEV_TRIG_IGNORE_WATERMARKS is in options. */
+static inline void bufferevent_trigger_nolock_(struct bufferevent *bufev, short iotype, int options);
+
+/* Making this inline since all of the common-case calls to this function in
+ * libevent use constant arguments. */
+static inline void
+bufferevent_trigger_nolock_(struct bufferevent *bufev, short iotype, int options)
+{
+	if ((iotype & EV_READ) && ((options & BEV_TRIG_IGNORE_WATERMARKS) ||
+	    evbuffer_get_length(bufev->input) >= bufev->wm_read.low))
+		bufferevent_run_readcb_(bufev, options);
+	if ((iotype & EV_WRITE) && ((options & BEV_TRIG_IGNORE_WATERMARKS) ||
+	    evbuffer_get_length(bufev->output) <= bufev->wm_write.low))
+		bufferevent_run_writecb_(bufev, options);
+}
 
 /** Internal: Add the event 'ev' with timeout tv, unless tv is set to 0, in
  * which case add ev with no timeout. */
-int _bufferevent_add_event(struct event *ev, const struct timeval *tv);
+int bufferevent_add_event_(struct event *ev, const struct timeval *tv);
 
 /* =========
  * These next functions implement timeouts for bufferevents that aren't doing
@@ -341,15 +408,18 @@
 /** Internal use: Set up the ev_read and ev_write callbacks so that
  * the other "generic_timeout" functions will work on it.  Call this from
  * the constructor function. */
-void _bufferevent_init_generic_timeout_cbs(struct bufferevent *bev);
-/** Internal use: Delete the ev_read and ev_write callbacks if they're pending.
- * Call this from the destructor function. */
-int _bufferevent_del_generic_timeout_cbs(struct bufferevent *bev);
+void bufferevent_init_generic_timeout_cbs_(struct bufferevent *bev);
 /** Internal use: Add or delete the generic timeout events as appropriate.
  * (If an event is enabled and a timeout is set, we add the event.  Otherwise
  * we delete it.)  Call this from anything that changes the timeout values,
  * that enabled EV_READ or EV_WRITE, or that disables EV_READ or EV_WRITE. */
-int _bufferevent_generic_adj_timeouts(struct bufferevent *bev);
+int bufferevent_generic_adj_timeouts_(struct bufferevent *bev);
+int bufferevent_generic_adj_existing_timeouts_(struct bufferevent *bev);
+
+enum bufferevent_options bufferevent_get_options_(struct bufferevent *bev);
+
+const struct sockaddr*
+bufferevent_socket_get_conn_address_(struct bufferevent *bev);
 
 /** Internal use: We have just successfully read data into an inbuf, so
  * reset the read timeout (if any). */
@@ -375,9 +445,9 @@
  * bufferevent_private. */
 #define BEV_UPCAST(b) EVUTIL_UPCAST((b), struct bufferevent_private, bev)
 
-#ifdef _EVENT_DISABLE_THREAD_SUPPORT
-#define BEV_LOCK(b) _EVUTIL_NIL_STMT
-#define BEV_UNLOCK(b) _EVUTIL_NIL_STMT
+#ifdef EVENT__DISABLE_THREAD_SUPPORT
+#define BEV_LOCK(b) EVUTIL_NIL_STMT_
+#define BEV_UNLOCK(b) EVUTIL_NIL_STMT_
 #else
 /** Internal: Grab the lock (if any) on a bufferevent */
 #define BEV_LOCK(b) do {						\
@@ -395,16 +465,18 @@
 
 /* ==== For rate-limiting. */
 
-int _bufferevent_decrement_write_buckets(struct bufferevent_private *bev,
+int bufferevent_decrement_write_buckets_(struct bufferevent_private *bev,
     ev_ssize_t bytes);
-int _bufferevent_decrement_read_buckets(struct bufferevent_private *bev,
+int bufferevent_decrement_read_buckets_(struct bufferevent_private *bev,
     ev_ssize_t bytes);
-ev_ssize_t _bufferevent_get_read_max(struct bufferevent_private *bev);
-ev_ssize_t _bufferevent_get_write_max(struct bufferevent_private *bev);
+ev_ssize_t bufferevent_get_read_max_(struct bufferevent_private *bev);
+ev_ssize_t bufferevent_get_write_max_(struct bufferevent_private *bev);
+
+int bufferevent_ratelim_init_(struct bufferevent_private *bev);
 
 #ifdef __cplusplus
 }
 #endif
 
 
-#endif /* _BUFFEREVENT_INTERNAL_H_ */
+#endif /* BUFFEREVENT_INTERNAL_H_INCLUDED_ */
diff --git a/bufferevent.c b/bufferevent.c
index 7518c3b..490b598 100644
--- a/bufferevent.c
+++ b/bufferevent.c
@@ -25,11 +25,12 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <sys/types.h>
 
-#include "event2/event-config.h"
-
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -37,14 +38,13 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
-#include <errno.h>
 
 #include "event2/util.h"
 #include "event2/buffer.h"
@@ -53,17 +53,18 @@
 #include "event2/bufferevent_struct.h"
 #include "event2/bufferevent_compat.h"
 #include "event2/event.h"
+#include "event-internal.h"
 #include "log-internal.h"
 #include "mm-internal.h"
 #include "bufferevent-internal.h"
 #include "evbuffer-internal.h"
 #include "util-internal.h"
 
-static void _bufferevent_cancel_all(struct bufferevent *bev);
-
+static void bufferevent_cancel_all_(struct bufferevent *bev);
+static void bufferevent_finalize_cb_(struct event_callback *evcb, void *arg_);
 
 void
-bufferevent_suspend_read(struct bufferevent *bufev, bufferevent_suspend_flags what)
+bufferevent_suspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what)
 {
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
@@ -75,7 +76,7 @@
 }
 
 void
-bufferevent_unsuspend_read(struct bufferevent *bufev, bufferevent_suspend_flags what)
+bufferevent_unsuspend_read_(struct bufferevent *bufev, bufferevent_suspend_flags what)
 {
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
@@ -87,7 +88,7 @@
 }
 
 void
-bufferevent_suspend_write(struct bufferevent *bufev, bufferevent_suspend_flags what)
+bufferevent_suspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what)
 {
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
@@ -99,7 +100,7 @@
 }
 
 void
-bufferevent_unsuspend_write(struct bufferevent *bufev, bufferevent_suspend_flags what)
+bufferevent_unsuspend_write_(struct bufferevent *bufev, bufferevent_suspend_flags what)
 {
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
@@ -130,7 +131,7 @@
 }
 
 static void
-bufferevent_run_deferred_callbacks_locked(struct deferred_cb *_, void *arg)
+bufferevent_run_deferred_callbacks_locked(struct event_callback *cb, void *arg)
 {
 	struct bufferevent_private *bufev_private = arg;
 	struct bufferevent *bufev = &bufev_private->bev;
@@ -159,11 +160,11 @@
 		EVUTIL_SET_SOCKET_ERROR(err);
 		bufev->errorcb(bufev, what, bufev->cbarg);
 	}
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 }
 
 static void
-bufferevent_run_deferred_callbacks_unlocked(struct deferred_cb *_, void *arg)
+bufferevent_run_deferred_callbacks_unlocked(struct event_callback *cb, void *arg)
 {
 	struct bufferevent_private *bufev_private = arg;
 	struct bufferevent *bufev = &bufev_private->bev;
@@ -203,73 +204,91 @@
 		EVUTIL_SET_SOCKET_ERROR(err);
 		UNLOCKED(errorcb(bufev,what,cbarg));
 	}
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 #undef UNLOCKED
 }
 
 #define SCHEDULE_DEFERRED(bevp)						\
 	do {								\
-		bufferevent_incref(&(bevp)->bev);			\
-		event_deferred_cb_schedule(				\
-			event_base_get_deferred_cb_queue((bevp)->bev.ev_base), \
-			&(bevp)->deferred);				\
+		if (event_deferred_cb_schedule_(			\
+			    (bevp)->bev.ev_base,			\
+			&(bevp)->deferred))				\
+			bufferevent_incref_(&(bevp)->bev);		\
 	} while (0)
 
 
 void
-_bufferevent_run_readcb(struct bufferevent *bufev)
+bufferevent_run_readcb_(struct bufferevent *bufev, int options)
 {
 	/* Requires that we hold the lock and a reference */
 	struct bufferevent_private *p =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
 	if (bufev->readcb == NULL)
 		return;
-	if (p->options & BEV_OPT_DEFER_CALLBACKS) {
+	if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) {
 		p->readcb_pending = 1;
-		if (!p->deferred.queued)
-			SCHEDULE_DEFERRED(p);
+		SCHEDULE_DEFERRED(p);
 	} else {
 		bufev->readcb(bufev, bufev->cbarg);
 	}
 }
 
 void
-_bufferevent_run_writecb(struct bufferevent *bufev)
+bufferevent_run_writecb_(struct bufferevent *bufev, int options)
 {
 	/* Requires that we hold the lock and a reference */
 	struct bufferevent_private *p =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
 	if (bufev->writecb == NULL)
 		return;
-	if (p->options & BEV_OPT_DEFER_CALLBACKS) {
+	if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) {
 		p->writecb_pending = 1;
-		if (!p->deferred.queued)
-			SCHEDULE_DEFERRED(p);
+		SCHEDULE_DEFERRED(p);
 	} else {
 		bufev->writecb(bufev, bufev->cbarg);
 	}
 }
 
+#define BEV_TRIG_ALL_OPTS (			\
+		BEV_TRIG_IGNORE_WATERMARKS|	\
+		BEV_TRIG_DEFER_CALLBACKS	\
+	)
+
 void
-_bufferevent_run_eventcb(struct bufferevent *bufev, short what)
+bufferevent_trigger(struct bufferevent *bufev, short iotype, int options)
+{
+	bufferevent_incref_and_lock_(bufev);
+	bufferevent_trigger_nolock_(bufev, iotype, options&BEV_TRIG_ALL_OPTS);
+	bufferevent_decref_and_unlock_(bufev);
+}
+
+void
+bufferevent_run_eventcb_(struct bufferevent *bufev, short what, int options)
 {
 	/* Requires that we hold the lock and a reference */
 	struct bufferevent_private *p =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
 	if (bufev->errorcb == NULL)
 		return;
-	if (p->options & BEV_OPT_DEFER_CALLBACKS) {
+	if ((p->options|options) & BEV_OPT_DEFER_CALLBACKS) {
 		p->eventcb_pending |= what;
 		p->errno_pending = EVUTIL_SOCKET_ERROR();
-		if (!p->deferred.queued)
-			SCHEDULE_DEFERRED(p);
+		SCHEDULE_DEFERRED(p);
 	} else {
 		bufev->errorcb(bufev, what, bufev->cbarg);
 	}
 }
 
+void
+bufferevent_trigger_event(struct bufferevent *bufev, short what, int options)
+{
+	bufferevent_incref_and_lock_(bufev);
+	bufferevent_run_eventcb_(bufev, what, options&BEV_TRIG_ALL_OPTS);
+	bufferevent_decref_and_unlock_(bufev);
+}
+
 int
-bufferevent_init_common(struct bufferevent_private *bufev_private,
+bufferevent_init_common_(struct bufferevent_private *bufev_private,
     struct event_base *base,
     const struct bufferevent_ops *ops,
     enum bufferevent_options options)
@@ -297,6 +316,8 @@
 
 	bufev->be_ops = ops;
 
+	bufferevent_ratelim_init_(bufev_private);
+
 	/*
 	 * Set to EV_WRITE so that using bufferevent_write is going to
 	 * trigger a callback.  Reading needs to be explicitly enabled
@@ -304,9 +325,9 @@
 	 */
 	bufev->enabled = EV_WRITE;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	if (options & BEV_OPT_THREADSAFE) {
-		if (bufferevent_enable_locking(bufev, NULL) < 0) {
+		if (bufferevent_enable_locking_(bufev, NULL) < 0) {
 			/* cleanup */
 			evbuffer_free(bufev->input);
 			evbuffer_free(bufev->output);
@@ -321,21 +342,23 @@
 		event_warnx("UNLOCK_CALLBACKS requires DEFER_CALLBACKS");
 		return -1;
 	}
-	if (options & BEV_OPT_DEFER_CALLBACKS) {
-		if (options & BEV_OPT_UNLOCK_CALLBACKS)
-			event_deferred_cb_init(&bufev_private->deferred,
-			    bufferevent_run_deferred_callbacks_unlocked,
-			    bufev_private);
-		else
-			event_deferred_cb_init(&bufev_private->deferred,
-			    bufferevent_run_deferred_callbacks_locked,
-			    bufev_private);
-	}
+	if (options & BEV_OPT_UNLOCK_CALLBACKS)
+		event_deferred_cb_init_(
+		    &bufev_private->deferred,
+		    event_base_get_npriorities(base) / 2,
+		    bufferevent_run_deferred_callbacks_unlocked,
+		    bufev_private);
+	else
+		event_deferred_cb_init_(
+		    &bufev_private->deferred,
+		    event_base_get_npriorities(base) / 2,
+		    bufferevent_run_deferred_callbacks_locked,
+		    bufev_private);
 
 	bufev_private->options = options;
 
-	evbuffer_set_parent(bufev->input, bufev);
-	evbuffer_set_parent(bufev->output, bufev);
+	evbuffer_set_parent_(bufev->input, bufev);
+	evbuffer_set_parent_(bufev->output, bufev);
 
 	return 0;
 }
@@ -355,6 +378,26 @@
 	BEV_UNLOCK(bufev);
 }
 
+void
+bufferevent_getcb(struct bufferevent *bufev,
+    bufferevent_data_cb *readcb_ptr,
+    bufferevent_data_cb *writecb_ptr,
+    bufferevent_event_cb *eventcb_ptr,
+    void **cbarg_ptr)
+{
+	BEV_LOCK(bufev);
+	if (readcb_ptr)
+		*readcb_ptr = bufev->readcb;
+	if (writecb_ptr)
+		*writecb_ptr = bufev->writecb;
+	if (eventcb_ptr)
+		*eventcb_ptr = bufev->errorcb;
+	if (cbarg_ptr)
+		*cbarg_ptr = bufev->cbarg;
+
+	BEV_UNLOCK(bufev);
+}
+
 struct evbuffer *
 bufferevent_get_input(struct bufferevent *bufev)
 {
@@ -374,6 +417,16 @@
 }
 
 int
+bufferevent_get_priority(const struct bufferevent *bufev)
+{
+	if (event_initialized(&bufev->ev_read)) {
+		return event_get_priority(&bufev->ev_read);
+	} else {
+		return event_base_get_npriorities(bufev->ev_base) / 2;
+	}
+}
+
+int
 bufferevent_write(struct bufferevent *bufev, const void *data, size_t size)
 {
 	if (evbuffer_add(bufev->output, data, size) == -1)
@@ -411,7 +464,7 @@
 	short impl_events = event;
 	int r = 0;
 
-	_bufferevent_incref_and_lock(bufev);
+	bufferevent_incref_and_lock_(bufev);
 	if (bufev_private->read_suspended)
 		impl_events &= ~EV_READ;
 	if (bufev_private->write_suspended)
@@ -422,7 +475,7 @@
 	if (impl_events && bufev->be_ops->enable(bufev, impl_events) < 0)
 		r = -1;
 
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 	return r;
 }
 
@@ -477,7 +530,7 @@
 
 
 int
-bufferevent_disable_hard(struct bufferevent *bufev, short event)
+bufferevent_disable_hard_(struct bufferevent *bufev, short event)
 {
 	int r = 0;
 	struct bufferevent_private *bufev_private =
@@ -562,6 +615,32 @@
 }
 
 int
+bufferevent_getwatermark(struct bufferevent *bufev, short events,
+    size_t *lowmark, size_t *highmark)
+{
+	if (events == EV_WRITE) {
+		BEV_LOCK(bufev);
+		if (lowmark)
+			*lowmark = bufev->wm_write.low;
+		if (highmark)
+			*highmark = bufev->wm_write.high;
+		BEV_UNLOCK(bufev);
+		return 0;
+	}
+
+	if (events == EV_READ) {
+		BEV_LOCK(bufev);
+		if (lowmark)
+			*lowmark = bufev->wm_read.low;
+		if (highmark)
+			*highmark = bufev->wm_read.high;
+		BEV_UNLOCK(bufev);
+		return 0;
+	}
+	return -1;
+}
+
+int
 bufferevent_flush(struct bufferevent *bufev,
     short iotype,
     enum bufferevent_flush_mode mode)
@@ -575,7 +654,7 @@
 }
 
 void
-_bufferevent_incref_and_lock(struct bufferevent *bufev)
+bufferevent_incref_and_lock_(struct bufferevent *bufev)
 {
 	struct bufferevent_private *bufev_private =
 	    BEV_UPCAST(bufev);
@@ -585,7 +664,7 @@
 
 #if 0
 static void
-_bufferevent_transfer_lock_ownership(struct bufferevent *donor,
+bufferevent_transfer_lock_ownership_(struct bufferevent *donor,
     struct bufferevent *recipient)
 {
 	struct bufferevent_private *d = BEV_UPCAST(donor);
@@ -602,11 +681,13 @@
 #endif
 
 int
-_bufferevent_decref_and_unlock(struct bufferevent *bufev)
+bufferevent_decref_and_unlock_(struct bufferevent *bufev)
 {
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
-	struct bufferevent *underlying;
+	int n_cbs = 0;
+#define MAX_CBS 16
+	struct event_callback *cbs[MAX_CBS];
 
 	EVUTIL_ASSERT(bufev_private->refcnt > 0);
 
@@ -615,6 +696,41 @@
 		return 0;
 	}
 
+	if (bufev->be_ops->unlink)
+		bufev->be_ops->unlink(bufev);
+
+	/* Okay, we're out of references. Let's finalize this once all the
+	 * callbacks are done running. */
+	cbs[0] = &bufev->ev_read.ev_evcallback;
+	cbs[1] = &bufev->ev_write.ev_evcallback;
+	cbs[2] = &bufev_private->deferred;
+	n_cbs = 3;
+	if (bufev_private->rate_limiting) {
+		struct event *e = &bufev_private->rate_limiting->refill_bucket_event;
+		if (event_initialized(e))
+			cbs[n_cbs++] = &e->ev_evcallback;
+	}
+	n_cbs += evbuffer_get_callbacks_(bufev->input, cbs+n_cbs, MAX_CBS-n_cbs);
+	n_cbs += evbuffer_get_callbacks_(bufev->output, cbs+n_cbs, MAX_CBS-n_cbs);
+
+	event_callback_finalize_many_(bufev->ev_base, n_cbs, cbs,
+	    bufferevent_finalize_cb_);
+
+#undef MAX_CBS
+	BEV_UNLOCK(bufev);
+
+	return 1;
+}
+
+static void
+bufferevent_finalize_cb_(struct event_callback *evcb, void *arg_)
+{
+	struct bufferevent *bufev = arg_;
+	struct bufferevent *underlying;
+	struct bufferevent_private *bufev_private =
+	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
+
+	BEV_LOCK(bufev);
 	underlying = bufferevent_get_underlying(bufev);
 
 	/* Clean up the shared info */
@@ -630,18 +746,14 @@
 
 	if (bufev_private->rate_limiting) {
 		if (bufev_private->rate_limiting->group)
-			bufferevent_remove_from_rate_limit_group_internal(bufev,0);
-		if (event_initialized(&bufev_private->rate_limiting->refill_bucket_event))
-			event_del(&bufev_private->rate_limiting->refill_bucket_event);
-		event_debug_unassign(&bufev_private->rate_limiting->refill_bucket_event);
+			bufferevent_remove_from_rate_limit_group_internal_(bufev,0);
 		mm_free(bufev_private->rate_limiting);
 		bufev_private->rate_limiting = NULL;
 	}
 
-	event_debug_unassign(&bufev->ev_read);
-	event_debug_unassign(&bufev->ev_write);
 
 	BEV_UNLOCK(bufev);
+
 	if (bufev_private->own_lock)
 		EVTHREAD_FREE_LOCK(bufev_private->lock,
 		    EVTHREAD_LOCKTYPE_RECURSIVE);
@@ -660,16 +772,14 @@
 	 * It would probably save us some headaches.
 	 */
 	if (underlying)
-		bufferevent_decref(underlying);
-
-	return 1;
+		bufferevent_decref_(underlying);
 }
 
 int
 bufferevent_decref(struct bufferevent *bufev)
 {
 	BEV_LOCK(bufev);
-	return _bufferevent_decref_and_unlock(bufev);
+	return bufferevent_decref_and_unlock_(bufev);
 }
 
 void
@@ -677,8 +787,8 @@
 {
 	BEV_LOCK(bufev);
 	bufferevent_setcb(bufev, NULL, NULL, NULL, NULL);
-	_bufferevent_cancel_all(bufev);
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_cancel_all_(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 }
 
 void
@@ -687,15 +797,19 @@
 	struct bufferevent_private *bufev_private =
 	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
 
+	/* XXX: now that this function is public, we might want to
+	 * - return the count from this function
+	 * - create a new function to atomically grab the current refcount
+	 */
 	BEV_LOCK(bufev);
 	++bufev_private->refcnt;
 	BEV_UNLOCK(bufev);
 }
 
 int
-bufferevent_enable_locking(struct bufferevent *bufev, void *lock)
+bufferevent_enable_locking_(struct bufferevent *bufev, void *lock)
 {
-#ifdef _EVENT_DISABLE_THREAD_SUPPORT
+#ifdef EVENT__DISABLE_THREAD_SUPPORT
 	return -1;
 #else
 	struct bufferevent *underlying;
@@ -722,7 +836,7 @@
 	evbuffer_enable_locking(bufev->output, lock);
 
 	if (underlying && !BEV_UPCAST(underlying)->lock)
-		bufferevent_enable_locking(underlying, lock);
+		bufferevent_enable_locking_(underlying, lock);
 
 	return 0;
 #endif
@@ -754,8 +868,22 @@
 	return (res<0) ? -1 : d.fd;
 }
 
+enum bufferevent_options
+bufferevent_get_options_(struct bufferevent *bev)
+{
+	struct bufferevent_private *bev_p =
+	    EVUTIL_UPCAST(bev, struct bufferevent_private, bev);
+	enum bufferevent_options options;
+
+	BEV_LOCK(bev);
+	options = bev_p->options;
+	BEV_UNLOCK(bev);
+	return options;
+}
+
+
 static void
-_bufferevent_cancel_all(struct bufferevent *bev)
+bufferevent_cancel_all_(struct bufferevent *bev)
 {
 	union bufferevent_ctrl_data d;
 	memset(&d, 0, sizeof(d));
@@ -792,43 +920,32 @@
 bufferevent_generic_read_timeout_cb(evutil_socket_t fd, short event, void *ctx)
 {
 	struct bufferevent *bev = ctx;
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 	bufferevent_disable(bev, EV_READ);
-	_bufferevent_run_eventcb(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_READING);
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_run_eventcb_(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_READING, 0);
+	bufferevent_decref_and_unlock_(bev);
 }
 static void
 bufferevent_generic_write_timeout_cb(evutil_socket_t fd, short event, void *ctx)
 {
 	struct bufferevent *bev = ctx;
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 	bufferevent_disable(bev, EV_WRITE);
-	_bufferevent_run_eventcb(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING);
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_run_eventcb_(bev, BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING, 0);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 void
-_bufferevent_init_generic_timeout_cbs(struct bufferevent *bev)
+bufferevent_init_generic_timeout_cbs_(struct bufferevent *bev)
 {
-	evtimer_assign(&bev->ev_read, bev->ev_base,
+	event_assign(&bev->ev_read, bev->ev_base, -1, EV_FINALIZE,
 	    bufferevent_generic_read_timeout_cb, bev);
-	evtimer_assign(&bev->ev_write, bev->ev_base,
+	event_assign(&bev->ev_write, bev->ev_base, -1, EV_FINALIZE,
 	    bufferevent_generic_write_timeout_cb, bev);
 }
 
 int
-_bufferevent_del_generic_timeout_cbs(struct bufferevent *bev)
-{
-	int r1,r2;
-	r1 = event_del(&bev->ev_read);
-	r2 = event_del(&bev->ev_write);
-	if (r1<0 || r2<0)
-		return -1;
-	return 0;
-}
-
-int
-_bufferevent_generic_adj_timeouts(struct bufferevent *bev)
+bufferevent_generic_adj_timeouts_(struct bufferevent *bev)
 {
 	const short enabled = bev->enabled;
 	struct bufferevent_private *bev_p =
@@ -852,24 +969,47 @@
 }
 
 int
-_bufferevent_add_event(struct event *ev, const struct timeval *tv)
+bufferevent_generic_adj_existing_timeouts_(struct bufferevent *bev)
 {
-	if (tv->tv_sec == 0 && tv->tv_usec == 0)
+	int r = 0;
+	if (event_pending(&bev->ev_read, EV_READ, NULL)) {
+		if (evutil_timerisset(&bev->timeout_read)) {
+			    if (bufferevent_add_event_(&bev->ev_read, &bev->timeout_read) < 0)
+				    r = -1;
+		} else {
+			event_remove_timer(&bev->ev_read);
+		}
+	}
+	if (event_pending(&bev->ev_write, EV_WRITE, NULL)) {
+		if (evutil_timerisset(&bev->timeout_write)) {
+			if (bufferevent_add_event_(&bev->ev_write, &bev->timeout_write) < 0)
+				r = -1;
+		} else {
+			event_remove_timer(&bev->ev_write);
+		}
+	}
+	return r;
+}
+
+int
+bufferevent_add_event_(struct event *ev, const struct timeval *tv)
+{
+	if (!evutil_timerisset(tv))
 		return event_add(ev, NULL);
 	else
 		return event_add(ev, tv);
 }
 
 /* For use by user programs only; internally, we should be calling
-   either _bufferevent_incref_and_lock(), or BEV_LOCK. */
+   either bufferevent_incref_and_lock_(), or BEV_LOCK. */
 void
 bufferevent_lock(struct bufferevent *bev)
 {
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 }
 
 void
 bufferevent_unlock(struct bufferevent *bev)
 {
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
diff --git a/bufferevent_async.c b/bufferevent_async.c
index f34ca5f..6395e57 100644
--- a/bufferevent_async.c
+++ b/bufferevent_async.c
@@ -27,8 +27,9 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -36,14 +37,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #endif
@@ -92,8 +93,9 @@
 	evutil_offsetof(struct bufferevent_async, bev.bev),
 	be_async_enable,
 	be_async_disable,
+	NULL, /* Unlink */
 	be_async_destruct,
-	_bufferevent_generic_adj_timeouts,
+	bufferevent_generic_adj_timeouts_,
 	be_async_flush,
 	be_async_ctrl,
 };
@@ -142,7 +144,7 @@
 
 	if (beva->write_added) {
 		beva->write_added = 0;
-		event_base_del_virtual(bev->ev_base);
+		event_base_del_virtual_(bev->ev_base);
 	}
 }
 
@@ -153,7 +155,7 @@
 
 	if (beva->read_added) {
 		beva->read_added = 0;
-		event_base_del_virtual(bev->ev_base);
+		event_base_del_virtual_(bev->ev_base);
 	}
 }
 
@@ -164,7 +166,7 @@
 
 	if (!beva->write_added) {
 		beva->write_added = 1;
-		event_base_add_virtual(bev->ev_base);
+		event_base_add_virtual_(bev->ev_base);
 	}
 }
 
@@ -175,7 +177,7 @@
 
 	if (!beva->read_added) {
 		beva->read_added = 1;
-		event_base_add_virtual(bev->ev_base);
+		event_base_add_virtual_(bev->ev_base);
 	}
 }
 
@@ -200,7 +202,7 @@
 
 	/* This is safe so long as bufferevent_get_write_max never returns
 	 * more than INT_MAX.  That's true for now. XXXX */
-	limit = (int)_bufferevent_get_write_max(&beva->bev);
+	limit = (int)bufferevent_get_write_max_(&beva->bev);
 	if (at_most >= (size_t)limit && limit >= 0)
 		at_most = limit;
 
@@ -210,15 +212,15 @@
 	}
 
 	/*  XXXX doesn't respect low-water mark very well. */
-	bufferevent_incref(bev);
-	if (evbuffer_launch_write(bev->output, at_most,
+	bufferevent_incref_(bev);
+	if (evbuffer_launch_write_(bev->output, at_most,
 	    &beva->write_overlapped)) {
-		bufferevent_decref(bev);
+		bufferevent_decref_(bev);
 		beva->ok = 0;
-		_bufferevent_run_eventcb(bev, BEV_EVENT_ERROR);
+		bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0);
 	} else {
 		beva->write_in_progress = at_most;
-		_bufferevent_decrement_write_buckets(&beva->bev, at_most);
+		bufferevent_decrement_write_buckets_(&beva->bev, at_most);
 		bev_async_add_write(beva);
 	}
 }
@@ -255,8 +257,8 @@
 	}
 
 	/* XXXX This over-commits. */
-	/* XXXX see also not above on cast on _bufferevent_get_write_max() */
-	limit = (int)_bufferevent_get_read_max(&beva->bev);
+	/* XXXX see also not above on cast on bufferevent_get_write_max_() */
+	limit = (int)bufferevent_get_read_max_(&beva->bev);
 	if (at_most >= (size_t)limit && limit >= 0)
 		at_most = limit;
 
@@ -265,14 +267,14 @@
 		return;
 	}
 
-	bufferevent_incref(bev);
-	if (evbuffer_launch_read(bev->input, at_most, &beva->read_overlapped)) {
+	bufferevent_incref_(bev);
+	if (evbuffer_launch_read_(bev->input, at_most, &beva->read_overlapped)) {
 		beva->ok = 0;
-		_bufferevent_run_eventcb(bev, BEV_EVENT_ERROR);
-		bufferevent_decref(bev);
+		bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0);
+		bufferevent_decref_(bev);
 	} else {
 		beva->read_in_progress = at_most;
-		_bufferevent_decrement_read_buckets(&beva->bev, at_most);
+		bufferevent_decrement_read_buckets_(&beva->bev, at_most);
 		bev_async_add_read(beva);
 	}
 
@@ -290,12 +292,12 @@
 	/* If we added data to the outbuf and were not writing before,
 	 * we may want to write now. */
 
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 
 	if (cbinfo->n_added)
 		bev_async_consider_writing(bev_async);
 
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 static void
@@ -309,12 +311,12 @@
 	/* If we drained data from the inbuf and were not reading before,
 	 * we may want to read now */
 
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 
 	if (cbinfo->n_deleted)
 		bev_async_consider_reading(bev_async);
 
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 static int
@@ -378,15 +380,11 @@
 	bev_async_del_read(bev_async);
 	bev_async_del_write(bev_async);
 
-	fd = _evbuffer_overlapped_get_fd(bev->input);
-	if (bev_p->options & BEV_OPT_CLOSE_ON_FREE) {
-		/* XXXX possible double-close */
+	fd = evbuffer_overlapped_get_fd_(bev->input);
+	if (fd != (evutil_socket_t)INVALID_SOCKET &&
+		(bev_p->options & BEV_OPT_CLOSE_ON_FREE)) {
 		evutil_closesocket(fd);
-	}
-	/* delete this in case non-blocking connect was used */
-	if (event_initialized(&bev->ev_write)) {
-		event_del(&bev->ev_write);
-		_bufferevent_del_generic_timeout_cbs(bev);
+		evbuffer_overlapped_set_fd_(bev->input, INVALID_SOCKET);
 	}
 }
 
@@ -398,7 +396,7 @@
 	DWORD bytes, flags;
 	evutil_socket_t fd;
 
-	fd = _evbuffer_overlapped_get_fd(bev->input);
+	fd = evbuffer_overlapped_get_fd_(bev->input);
 	WSAGetOverlappedResult(fd, &eo->overlapped, &bytes, FALSE, &flags);
 }
 
@@ -421,21 +419,21 @@
 
 	EVUTIL_ASSERT(bev_a->bev.connecting);
 	bev_a->bev.connecting = 0;
-	sock = _evbuffer_overlapped_get_fd(bev_a->bev.bev.input);
+	sock = evbuffer_overlapped_get_fd_(bev_a->bev.bev.input);
 	/* XXXX Handle error? */
 	setsockopt(sock, SOL_SOCKET, SO_UPDATE_CONNECT_CONTEXT, NULL, 0);
 
 	if (ok)
-		bufferevent_async_set_connected(bev);
+		bufferevent_async_set_connected_(bev);
 	else
 		bev_async_set_wsa_error(bev, eo);
 
-	_bufferevent_run_eventcb(bev,
-			ok? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR);
+	bufferevent_run_eventcb_(bev,
+			ok? BEV_EVENT_CONNECTED : BEV_EVENT_ERROR, 0);
 
-	event_base_del_virtual(bev->ev_base);
+	event_base_del_virtual_(bev->ev_base);
 
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 static void
@@ -450,10 +448,10 @@
 	EVUTIL_ASSERT(bev_a->read_in_progress);
 
 	amount_unread = bev_a->read_in_progress - nbytes;
-	evbuffer_commit_read(bev->input, nbytes);
+	evbuffer_commit_read_(bev->input, nbytes);
 	bev_a->read_in_progress = 0;
 	if (amount_unread)
-		_bufferevent_decrement_read_buckets(&bev_a->bev, -amount_unread);
+		bufferevent_decrement_read_buckets_(&bev_a->bev, -amount_unread);
 
 	if (!ok)
 		bev_async_set_wsa_error(bev, eo);
@@ -461,21 +459,20 @@
 	if (bev_a->ok) {
 		if (ok && nbytes) {
 			BEV_RESET_GENERIC_READ_TIMEOUT(bev);
-			if (evbuffer_get_length(bev->input) >= bev->wm_read.low)
-				_bufferevent_run_readcb(bev);
+			bufferevent_trigger_nolock_(bev, EV_READ, 0);
 			bev_async_consider_reading(bev_a);
 		} else if (!ok) {
 			what |= BEV_EVENT_ERROR;
 			bev_a->ok = 0;
-			_bufferevent_run_eventcb(bev, what);
+			bufferevent_run_eventcb_(bev, what, 0);
 		} else if (!nbytes) {
 			what |= BEV_EVENT_EOF;
 			bev_a->ok = 0;
-			_bufferevent_run_eventcb(bev, what);
+			bufferevent_run_eventcb_(bev, what, 0);
 		}
 	}
 
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 static void
@@ -491,11 +488,11 @@
 	EVUTIL_ASSERT(bev_a->write_in_progress);
 
 	amount_unwritten = bev_a->write_in_progress - nbytes;
-	evbuffer_commit_write(bev->output, nbytes);
+	evbuffer_commit_write_(bev->output, nbytes);
 	bev_a->write_in_progress = 0;
 
 	if (amount_unwritten)
-		_bufferevent_decrement_write_buckets(&bev_a->bev,
+		bufferevent_decrement_write_buckets_(&bev_a->bev,
 		                                     -amount_unwritten);
 
 
@@ -505,26 +502,24 @@
 	if (bev_a->ok) {
 		if (ok && nbytes) {
 			BEV_RESET_GENERIC_WRITE_TIMEOUT(bev);
-			if (evbuffer_get_length(bev->output) <=
-			    bev->wm_write.low)
-				_bufferevent_run_writecb(bev);
+			bufferevent_trigger_nolock_(bev, EV_WRITE, 0);
 			bev_async_consider_writing(bev_a);
 		} else if (!ok) {
 			what |= BEV_EVENT_ERROR;
 			bev_a->ok = 0;
-			_bufferevent_run_eventcb(bev, what);
+			bufferevent_run_eventcb_(bev, what, 0);
 		} else if (!nbytes) {
 			what |= BEV_EVENT_EOF;
 			bev_a->ok = 0;
-			_bufferevent_run_eventcb(bev, what);
+			bufferevent_run_eventcb_(bev, what, 0);
 		}
 	}
 
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 }
 
 struct bufferevent *
-bufferevent_async_new(struct event_base *base,
+bufferevent_async_new_(struct event_base *base,
     evutil_socket_t fd, int options)
 {
 	struct bufferevent_async *bev_a;
@@ -533,10 +528,10 @@
 
 	options |= BEV_OPT_THREADSAFE;
 
-	if (!(iocp = event_base_get_iocp(base)))
+	if (!(iocp = event_base_get_iocp_(base)))
 		return NULL;
 
-	if (fd >= 0 && event_iocp_port_associate(iocp, fd, 1)<0) {
+	if (fd >= 0 && event_iocp_port_associate_(iocp, fd, 1)<0) {
 		int err = GetLastError();
 		/* We may have alrady associated this fd with a port.
 		 * Let's hope it's this port, and that the error code
@@ -549,30 +544,30 @@
 		return NULL;
 
 	bev = &bev_a->bev.bev;
-	if (!(bev->input = evbuffer_overlapped_new(fd))) {
+	if (!(bev->input = evbuffer_overlapped_new_(fd))) {
 		mm_free(bev_a);
 		return NULL;
 	}
-	if (!(bev->output = evbuffer_overlapped_new(fd))) {
+	if (!(bev->output = evbuffer_overlapped_new_(fd))) {
 		evbuffer_free(bev->input);
 		mm_free(bev_a);
 		return NULL;
 	}
 
-	if (bufferevent_init_common(&bev_a->bev, base, &bufferevent_ops_async,
+	if (bufferevent_init_common_(&bev_a->bev, base, &bufferevent_ops_async,
 		options)<0)
 		goto err;
 
 	evbuffer_add_cb(bev->input, be_async_inbuf_callback, bev);
 	evbuffer_add_cb(bev->output, be_async_outbuf_callback, bev);
 
-	event_overlapped_init(&bev_a->connect_overlapped, connect_complete);
-	event_overlapped_init(&bev_a->read_overlapped, read_complete);
-	event_overlapped_init(&bev_a->write_overlapped, write_complete);
+	event_overlapped_init_(&bev_a->connect_overlapped, connect_complete);
+	event_overlapped_init_(&bev_a->read_overlapped, read_complete);
+	event_overlapped_init_(&bev_a->write_overlapped, write_complete);
+
+	bufferevent_init_generic_timeout_cbs_(bev);
 
 	bev_a->ok = fd >= 0;
-	if (bev_a->ok)
-		_bufferevent_init_generic_timeout_cbs(bev);
 
 	return bev;
 err:
@@ -581,23 +576,23 @@
 }
 
 void
-bufferevent_async_set_connected(struct bufferevent *bev)
+bufferevent_async_set_connected_(struct bufferevent *bev)
 {
 	struct bufferevent_async *bev_async = upcast(bev);
 	bev_async->ok = 1;
-	_bufferevent_init_generic_timeout_cbs(bev);
+	bufferevent_init_generic_timeout_cbs_(bev);
 	/* Now's a good time to consider reading/writing */
 	be_async_enable(bev, bev->enabled);
 }
 
 int
-bufferevent_async_can_connect(struct bufferevent *bev)
+bufferevent_async_can_connect_(struct bufferevent *bev)
 {
 	const struct win32_extension_fns *ext =
-	    event_get_win32_extension_fns();
+	    event_get_win32_extension_fns_();
 
 	if (BEV_IS_ASYNC(bev) &&
-	    event_base_get_iocp(bev->ev_base) &&
+	    event_base_get_iocp_(bev->ev_base) &&
 	    ext && ext->ConnectEx)
 		return 1;
 
@@ -605,14 +600,14 @@
 }
 
 int
-bufferevent_async_connect(struct bufferevent *bev, evutil_socket_t fd,
+bufferevent_async_connect_(struct bufferevent *bev, evutil_socket_t fd,
 	const struct sockaddr *sa, int socklen)
 {
 	BOOL rc;
 	struct bufferevent_async *bev_async = upcast(bev);
 	struct sockaddr_storage ss;
 	const struct win32_extension_fns *ext =
-	    event_get_win32_extension_fns();
+	    event_get_win32_extension_fns_();
 
 	EVUTIL_ASSERT(ext && ext->ConnectEx && fd >= 0 && sa != NULL);
 
@@ -637,15 +632,15 @@
 	    WSAGetLastError() != WSAEINVAL)
 		return -1;
 
-	event_base_add_virtual(bev->ev_base);
-	bufferevent_incref(bev);
+	event_base_add_virtual_(bev->ev_base);
+	bufferevent_incref_(bev);
 	rc = ext->ConnectEx(fd, sa, socklen, NULL, 0, NULL,
 			    &bev_async->connect_overlapped.overlapped);
 	if (rc || WSAGetLastError() == ERROR_IO_PENDING)
 		return 0;
 
-	event_base_del_virtual(bev->ev_base);
-	bufferevent_decref(bev);
+	event_base_del_virtual_(bev->ev_base);
+	bufferevent_decref_(bev);
 
 	return -1;
 }
@@ -656,27 +651,28 @@
 {
 	switch (op) {
 	case BEV_CTRL_GET_FD:
-		data->fd = _evbuffer_overlapped_get_fd(bev->input);
+		data->fd = evbuffer_overlapped_get_fd_(bev->input);
 		return 0;
 	case BEV_CTRL_SET_FD: {
 		struct event_iocp_port *iocp;
 
-		if (data->fd == _evbuffer_overlapped_get_fd(bev->input))
+		if (data->fd == evbuffer_overlapped_get_fd_(bev->input))
 			return 0;
-		if (!(iocp = event_base_get_iocp(bev->ev_base)))
+		if (!(iocp = event_base_get_iocp_(bev->ev_base)))
 			return -1;
-		if (event_iocp_port_associate(iocp, data->fd, 1) < 0)
+		if (event_iocp_port_associate_(iocp, data->fd, 1) < 0)
 			return -1;
-		_evbuffer_overlapped_set_fd(bev->input, data->fd);
-		_evbuffer_overlapped_set_fd(bev->output, data->fd);
+		evbuffer_overlapped_set_fd_(bev->input, data->fd);
+		evbuffer_overlapped_set_fd_(bev->output, data->fd);
 		return 0;
 	}
 	case BEV_CTRL_CANCEL_ALL: {
 		struct bufferevent_async *bev_a = upcast(bev);
-		evutil_socket_t fd = _evbuffer_overlapped_get_fd(bev->input);
+		evutil_socket_t fd = evbuffer_overlapped_get_fd_(bev->input);
 		if (fd != (evutil_socket_t)INVALID_SOCKET &&
 		    (bev_a->bev.options & BEV_OPT_CLOSE_ON_FREE)) {
 			closesocket(fd);
+			evbuffer_overlapped_set_fd_(bev->input, INVALID_SOCKET);
 		}
 		bev_a->ok = 0;
 		return 0;
diff --git a/bufferevent_filter.c b/bufferevent_filter.c
index 557f8cc..d47f945 100644
--- a/bufferevent_filter.c
+++ b/bufferevent_filter.c
@@ -26,11 +26,13 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "evconfig-private.h"
+
 #include <sys/types.h>
 
 #include "event2/event-config.h"
 
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -38,11 +40,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
 
@@ -59,6 +61,7 @@
 /* prototypes */
 static int be_filter_enable(struct bufferevent *, short);
 static int be_filter_disable(struct bufferevent *, short);
+static void be_filter_unlink(struct bufferevent *);
 static void be_filter_destruct(struct bufferevent *);
 
 static void be_filter_readcb(struct bufferevent *, void *);
@@ -68,6 +71,9 @@
     short iotype, enum bufferevent_flush_mode mode);
 static int be_filter_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *);
 
+static void bufferevent_filtered_inbuf_cb(struct evbuffer *buf,
+    const struct evbuffer_cb_info *cbinfo, void *arg);
+
 static void bufferevent_filtered_outbuf_cb(struct evbuffer *buf,
     const struct evbuffer_cb_info *info, void *arg);
 
@@ -76,6 +82,8 @@
 
 	/** The bufferevent that we read/write filtered data from/to. */
 	struct bufferevent *underlying;
+	/** A callback on our inbuf to notice somebory removes data */
+	struct evbuffer_cb_entry *inbuf_cb;
 	/** A callback on our outbuf to notice when somebody adds data */
 	struct evbuffer_cb_entry *outbuf_cb;
 	/** True iff we have received an EOF callback from the underlying
@@ -97,8 +105,9 @@
 	evutil_offsetof(struct bufferevent_filtered, bev.bev),
 	be_filter_enable,
 	be_filter_disable,
+	be_filter_unlink,
 	be_filter_destruct,
-	_bufferevent_generic_adj_timeouts,
+	bufferevent_generic_adj_timeouts_,
 	be_filter_flush,
 	be_filter_ctrl,
 };
@@ -180,13 +189,13 @@
 	if (!bufev_f)
 		return NULL;
 
-	if (bufferevent_init_common(&bufev_f->bev, underlying->ev_base,
+	if (bufferevent_init_common_(&bufev_f->bev, underlying->ev_base,
 				    &bufferevent_ops_filter, tmp_options) < 0) {
 		mm_free(bufev_f);
 		return NULL;
 	}
 	if (options & BEV_OPT_THREADSAFE) {
-		bufferevent_enable_locking(downcast(bufev_f), NULL);
+		bufferevent_enable_locking_(downcast(bufev_f), NULL);
 	}
 
 	bufev_f->underlying = underlying;
@@ -199,28 +208,31 @@
 	bufferevent_setcb(bufev_f->underlying,
 	    be_filter_readcb, be_filter_writecb, be_filter_eventcb, bufev_f);
 
+	bufev_f->inbuf_cb = evbuffer_add_cb(downcast(bufev_f)->input,
+		bufferevent_filtered_inbuf_cb, bufev_f);
+	evbuffer_cb_clear_flags(downcast(bufev_f)->input, bufev_f->inbuf_cb,
+		EVBUFFER_CB_ENABLED);
+
 	bufev_f->outbuf_cb = evbuffer_add_cb(downcast(bufev_f)->output,
 	   bufferevent_filtered_outbuf_cb, bufev_f);
 
-	_bufferevent_init_generic_timeout_cbs(downcast(bufev_f));
-	bufferevent_incref(underlying);
+	bufferevent_init_generic_timeout_cbs_(downcast(bufev_f));
+	bufferevent_incref_(underlying);
 
 	bufferevent_enable(underlying, EV_READ|EV_WRITE);
-	bufferevent_suspend_read(underlying, BEV_SUSPEND_FILT_READ);
+	bufferevent_suspend_read_(underlying, BEV_SUSPEND_FILT_READ);
 
 	return downcast(bufev_f);
 }
 
 static void
-be_filter_destruct(struct bufferevent *bev)
+be_filter_unlink(struct bufferevent *bev)
 {
 	struct bufferevent_filtered *bevf = upcast(bev);
 	EVUTIL_ASSERT(bevf);
-	if (bevf->free_context)
-		bevf->free_context(bevf->context);
 
 	if (bevf->bev.options & BEV_OPT_CLOSE_ON_FREE) {
-		/* Yes, there is also a decref in bufferevent_decref.
+		/* Yes, there is also a decref in bufferevent_decref_.
 		 * That decref corresponds to the incref when we set
 		 * underlying for the first time.  This decref is an
 		 * extra one to remove the last reference.
@@ -236,12 +248,25 @@
 			if (bevf->underlying->errorcb == be_filter_eventcb)
 				bufferevent_setcb(bevf->underlying,
 				    NULL, NULL, NULL, NULL);
-			bufferevent_unsuspend_read(bevf->underlying,
+			bufferevent_unsuspend_read_(bevf->underlying,
 			    BEV_SUSPEND_FILT_READ);
 		}
 	}
+}
 
-	_bufferevent_del_generic_timeout_cbs(bev);
+static void
+be_filter_destruct(struct bufferevent *bev)
+{
+	struct bufferevent_filtered *bevf = upcast(bev);
+	EVUTIL_ASSERT(bevf);
+	if (bevf->free_context)
+		bevf->free_context(bevf->context);
+
+	if (bevf->inbuf_cb)
+		evbuffer_remove_cb_entry(bev->input, bevf->inbuf_cb);
+
+	if (bevf->outbuf_cb)
+		evbuffer_remove_cb_entry(bev->output, bevf->outbuf_cb);
 }
 
 static int
@@ -253,7 +278,7 @@
 
 	if (event & EV_READ) {
 		BEV_RESET_GENERIC_READ_TIMEOUT(bev);
-		bufferevent_unsuspend_read(bevf->underlying,
+		bufferevent_unsuspend_read_(bevf->underlying,
 		    BEV_SUSPEND_FILT_READ);
 	}
 	return 0;
@@ -267,7 +292,7 @@
 		BEV_DEL_GENERIC_WRITE_TIMEOUT(bev);
 	if (event & EV_READ) {
 		BEV_DEL_GENERIC_READ_TIMEOUT(bev);
-		bufferevent_suspend_read(bevf->underlying,
+		bufferevent_suspend_read_(bevf->underlying,
 		    BEV_SUSPEND_FILT_READ);
 	}
 	return 0;
@@ -336,7 +361,8 @@
 
 	/* disable the callback that calls this function
 	   when the user adds to the output buffer. */
-	evbuffer_cb_set_flags(bufev->output, bevf->outbuf_cb, 0);
+	evbuffer_cb_clear_flags(bufev->output, bevf->outbuf_cb,
+	    EVBUFFER_CB_ENABLED);
 
 	do {
 		int processed = 0;
@@ -367,10 +393,9 @@
 			/* Or if we have filled the underlying output buffer. */
 			!be_underlying_writebuf_full(bevf,state));
 
-		if (processed &&
-		    evbuffer_get_length(bufev->output) <= bufev->wm_write.low) {
+		if (processed) {
 			/* call the write callback.*/
-			_bufferevent_run_writecb(bufev);
+			bufferevent_trigger_nolock_(bufev, EV_WRITE, 0);
 
 			if (res == BEV_OK &&
 			    (bufev->enabled & EV_WRITE) &&
@@ -403,68 +428,145 @@
 		int processed_any = 0;
 		/* Somebody added more data to the output buffer. Try to
 		 * process it, if we should. */
-		_bufferevent_incref_and_lock(bev);
+		bufferevent_incref_and_lock_(bev);
 		be_filter_process_output(bevf, BEV_NORMAL, &processed_any);
-		_bufferevent_decref_and_unlock(bev);
+		bufferevent_decref_and_unlock_(bev);
 	}
 }
 
-/* Called when the underlying socket has read. */
 static void
-be_filter_readcb(struct bufferevent *underlying, void *_me)
+be_filter_read_nolock_(struct bufferevent *underlying, void *me_)
 {
-	struct bufferevent_filtered *bevf = _me;
+	struct bufferevent_filtered *bevf = me_;
 	enum bufferevent_filter_result res;
 	enum bufferevent_flush_mode state;
 	struct bufferevent *bufev = downcast(bevf);
+	struct bufferevent_private *bufev_private = BEV_UPCAST(bufev);
 	int processed_any = 0;
 
-	_bufferevent_incref_and_lock(bufev);
+	// It's possible our refcount is 0 at this point if another thread free'd our filterevent
+	EVUTIL_ASSERT(bufev_private->refcnt >= 0);
+
+	// If our refcount is > 0
+	if (bufev_private->refcnt > 0) {
+
+		if (bevf->got_eof)
+			state = BEV_FINISHED;
+		else
+			state = BEV_NORMAL;
+
+		/* XXXX use return value */
+		res = be_filter_process_input(bevf, state, &processed_any);
+		(void)res;
+
+		/* XXX This should be in process_input, not here.  There are
+		 * other places that can call process-input, and they should
+		 * force readcb calls as needed. */
+		if (processed_any) {
+			bufferevent_trigger_nolock_(bufev, EV_READ, 0);
+			if (evbuffer_get_length(underlying->input) > 0 &&
+				be_readbuf_full(bevf, state)) {
+				/* data left in underlying buffer and filter input buffer
+				 * hit its read high watermark.
+				 * Schedule callback to avoid data gets stuck in underlying
+				 * input buffer.
+				 */
+				evbuffer_cb_set_flags(bufev->input, bevf->inbuf_cb,
+					EVBUFFER_CB_ENABLED);
+			}
+		}
+	}
+}
+
+/* Called when the size of our inbuf changes. */
+static void
+bufferevent_filtered_inbuf_cb(struct evbuffer *buf,
+    const struct evbuffer_cb_info *cbinfo, void *arg)
+{
+	struct bufferevent_filtered *bevf = arg;
+	enum bufferevent_flush_mode state;
+	struct bufferevent *bev = downcast(bevf);
+
+	BEV_LOCK(bev);
 
 	if (bevf->got_eof)
 		state = BEV_FINISHED;
 	else
 		state = BEV_NORMAL;
 
-	/* XXXX use return value */
-	res = be_filter_process_input(bevf, state, &processed_any);
-	(void)res;
 
-	/* XXX This should be in process_input, not here.  There are
-	 * other places that can call process-input, and they should
-	 * force readcb calls as needed. */
-	if (processed_any &&
-	    evbuffer_get_length(bufev->input) >= bufev->wm_read.low)
-		_bufferevent_run_readcb(bufev);
+	if (!be_readbuf_full(bevf, state)) {
+		/* opportunity to read data which was left in underlying
+		 * input buffer because filter input buffer hit read
+		 * high watermark.
+		 */
+		evbuffer_cb_clear_flags(bev->input, bevf->inbuf_cb,
+			EVBUFFER_CB_ENABLED);
+		if (evbuffer_get_length(bevf->underlying->input) > 0)
+			be_filter_read_nolock_(bevf->underlying, bevf);
+	}
 
-	_bufferevent_decref_and_unlock(bufev);
+	BEV_UNLOCK(bev);
+}
+
+/* Called when the underlying socket has read. */
+static void
+be_filter_readcb(struct bufferevent *underlying, void *me_)
+{
+	struct bufferevent_filtered *bevf = me_;
+	struct bufferevent *bev = downcast(bevf);
+
+	BEV_LOCK(bev);
+
+	be_filter_read_nolock_(underlying, me_);
+
+	BEV_UNLOCK(bev);
 }
 
 /* Called when the underlying socket has drained enough that we can write to
    it. */
 static void
-be_filter_writecb(struct bufferevent *underlying, void *_me)
+be_filter_writecb(struct bufferevent *underlying, void *me_)
 {
-	struct bufferevent_filtered *bevf = _me;
+	struct bufferevent_filtered *bevf = me_;
 	struct bufferevent *bev = downcast(bevf);
+	struct bufferevent_private *bufev_private = BEV_UPCAST(bev);
 	int processed_any = 0;
 
-	_bufferevent_incref_and_lock(bev);
-	be_filter_process_output(bevf, BEV_NORMAL, &processed_any);
-	_bufferevent_decref_and_unlock(bev);
+	BEV_LOCK(bev);
+
+	// It's possible our refcount is 0 at this point if another thread free'd our filterevent
+	EVUTIL_ASSERT(bufev_private->refcnt >= 0);
+
+	// If our refcount is > 0
+	if (bufev_private->refcnt > 0) {
+		be_filter_process_output(bevf, BEV_NORMAL, &processed_any);
+	}
+
+	BEV_UNLOCK(bev);
 }
 
 /* Called when the underlying socket has given us an error */
 static void
-be_filter_eventcb(struct bufferevent *underlying, short what, void *_me)
+be_filter_eventcb(struct bufferevent *underlying, short what, void *me_)
 {
-	struct bufferevent_filtered *bevf = _me;
+	struct bufferevent_filtered *bevf = me_;
 	struct bufferevent *bev = downcast(bevf);
+	struct bufferevent_private *bufev_private = BEV_UPCAST(bev);
 
-	_bufferevent_incref_and_lock(bev);
-	/* All we can really to is tell our own eventcb. */
-	_bufferevent_run_eventcb(bev, what);
-	_bufferevent_decref_and_unlock(bev);
+	BEV_LOCK(bev);
+
+	// It's possible our refcount is 0 at this point if another thread free'd our filterevent
+	EVUTIL_ASSERT(bufev_private->refcnt >= 0);
+
+	// If our refcount is > 0
+	if (bufev_private->refcnt > 0) {
+
+		/* All we can really to is tell our own eventcb. */
+		bufferevent_run_eventcb_(bev, what, 0);
+	}
+
+	BEV_UNLOCK(bev);
 }
 
 static int
@@ -475,7 +577,7 @@
 	int processed_any = 0;
 	EVUTIL_ASSERT(bevf);
 
-	_bufferevent_incref_and_lock(bufev);
+	bufferevent_incref_and_lock_(bufev);
 
 	if (iotype & EV_READ) {
 		be_filter_process_input(bevf, mode, &processed_any);
@@ -487,7 +589,7 @@
 	/* XXX does this want to recursively call lower-level flushes? */
 	bufferevent_flush(bevf->underlying, iotype, mode);
 
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 
 	return processed_any;
 }
@@ -502,10 +604,20 @@
 		bevf = upcast(bev);
 		data->ptr = bevf->underlying;
 		return 0;
-	case BEV_CTRL_GET_FD:
 	case BEV_CTRL_SET_FD:
+		bevf = upcast(bev);
+
+		if (bevf->underlying &&
+			bevf->underlying->be_ops &&
+			bevf->underlying->be_ops->ctrl) {
+		    return (bevf->underlying->be_ops->ctrl)(bevf->underlying, op, data);
+		}
+
+	case BEV_CTRL_GET_FD:
 	case BEV_CTRL_CANCEL_ALL:
 	default:
 		return -1;
 	}
+
+	return -1;
 }
diff --git a/bufferevent_openssl.c b/bufferevent_openssl.c
index 7582d9b..da3963a 100644
--- a/bufferevent_openssl.c
+++ b/bufferevent_openssl.c
@@ -24,11 +24,17 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/types.h>
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#include <sys/types.h>
+
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -36,14 +42,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
 
@@ -60,6 +66,7 @@
 #include <openssl/bio.h>
 #include <openssl/ssl.h>
 #include <openssl/err.h>
+#include "openssl-compat.h"
 
 /*
  * Define an OpenSSL bio that targets a bufferevent.
@@ -103,10 +110,8 @@
 static int
 bio_bufferevent_new(BIO *b)
 {
-	b->init = 0;
-	b->num = -1;
-	b->ptr = NULL; /* We'll be putting the bufferevent in this field.*/
-	b->flags = 0;
+	BIO_set_init(b, 0);
+	BIO_set_data(b, NULL); /* We'll be putting the bufferevent in this field.*/
 	return 1;
 }
 
@@ -116,12 +121,10 @@
 {
 	if (!b)
 		return 0;
-	if (b->shutdown) {
-		if (b->init && b->ptr)
-			bufferevent_free(b->ptr);
-		b->init = 0;
-		b->flags = 0;
-		b->ptr = NULL;
+	if (BIO_get_shutdown(b)) {
+		if (BIO_get_init(b) && BIO_get_data(b))
+			bufferevent_free(BIO_get_data(b));
+		BIO_free(b);
 	}
 	return 1;
 }
@@ -137,10 +140,10 @@
 
 	if (!out)
 		return 0;
-	if (!b->ptr)
+	if (!BIO_get_data(b))
 		return -1;
 
-	input = bufferevent_get_input(b->ptr);
+	input = bufferevent_get_input(BIO_get_data(b));
 	if (evbuffer_get_length(input) == 0) {
 		/* If there's no data to read, say so. */
 		BIO_set_retry_read(b);
@@ -156,13 +159,13 @@
 static int
 bio_bufferevent_write(BIO *b, const char *in, int inlen)
 {
-	struct bufferevent *bufev = b->ptr;
+	struct bufferevent *bufev = BIO_get_data(b);
 	struct evbuffer *output;
 	size_t outlen;
 
 	BIO_clear_retry_flags(b);
 
-	if (!b->ptr)
+	if (!BIO_get_data(b))
 		return -1;
 
 	output = bufferevent_get_output(bufev);
@@ -188,15 +191,15 @@
 static long
 bio_bufferevent_ctrl(BIO *b, int cmd, long num, void *ptr)
 {
-	struct bufferevent *bufev = b->ptr;
+	struct bufferevent *bufev = BIO_get_data(b);
 	long ret = 1;
 
 	switch (cmd) {
 	case BIO_CTRL_GET_CLOSE:
-		ret = b->shutdown;
+		ret = BIO_get_shutdown(b);
 		break;
 	case BIO_CTRL_SET_CLOSE:
-		b->shutdown = (int)num;
+		BIO_set_shutdown(b, (int)num);
 		break;
 	case BIO_CTRL_PENDING:
 		ret = evbuffer_get_length(bufferevent_get_input(bufev)) != 0;
@@ -225,23 +228,24 @@
 }
 
 /* Method table for the bufferevent BIO */
-static BIO_METHOD methods_bufferevent = {
-	BIO_TYPE_LIBEVENT, "bufferevent",
-	bio_bufferevent_write,
-	bio_bufferevent_read,
-	bio_bufferevent_puts,
-	NULL /* bio_bufferevent_gets */,
-	bio_bufferevent_ctrl,
-	bio_bufferevent_new,
-	bio_bufferevent_free,
-	NULL /* callback_ctrl */,
-};
+static BIO_METHOD *methods_bufferevent;
 
 /* Return the method table for the bufferevents BIO */
 static BIO_METHOD *
 BIO_s_bufferevent(void)
 {
-	return &methods_bufferevent;
+	if (methods_bufferevent == NULL) {
+		methods_bufferevent = BIO_meth_new(BIO_TYPE_LIBEVENT, "bufferevent");
+		if (methods_bufferevent == NULL)
+			return NULL;
+		BIO_meth_set_write(methods_bufferevent, bio_bufferevent_write);
+		BIO_meth_set_read(methods_bufferevent, bio_bufferevent_read);
+		BIO_meth_set_puts(methods_bufferevent, bio_bufferevent_puts);
+		BIO_meth_set_ctrl(methods_bufferevent, bio_bufferevent_ctrl);
+		BIO_meth_set_create(methods_bufferevent, bio_bufferevent_new);
+		BIO_meth_set_destroy(methods_bufferevent, bio_bufferevent_free);
+	}
+	return methods_bufferevent;
 }
 
 /* Create a new BIO to wrap communication around a bufferevent.  If close_flag
@@ -254,9 +258,9 @@
 		return NULL;
 	if (!(result = BIO_new(BIO_s_bufferevent())))
 		return NULL;
-	result->init = 1;
-	result->ptr = bufferevent;
-	result->shutdown = close_flag ? 1 : 0;
+	BIO_set_init(result, 1);
+	BIO_set_data(result, bufferevent);
+	BIO_set_shutdown(result, close_flag ? 1 : 0);
 	return result;
 }
 
@@ -312,19 +316,20 @@
 	unsigned read_blocked_on_write : 1;
 	/* When we next get data, we should say "write" instead of "read". */
 	unsigned write_blocked_on_read : 1;
-	/* XXX */
+	/* Treat TCP close before SSL close on SSL >= v3 as clean EOF. */
 	unsigned allow_dirty_shutdown : 1;
-	/* XXXX */
-	unsigned fd_is_set : 1;
 	/* XXX */
 	unsigned n_errors : 2;
 
 	/* Are we currently connecting, accepting, or doing IO? */
 	unsigned state : 2;
+	/* If we reset fd, we sould reset state too */
+	unsigned old_state : 2;
 };
 
 static int be_openssl_enable(struct bufferevent *, short);
 static int be_openssl_disable(struct bufferevent *, short);
+static void be_openssl_unlink(struct bufferevent *);
 static void be_openssl_destruct(struct bufferevent *);
 static int be_openssl_adj_timeouts(struct bufferevent *);
 static int be_openssl_flush(struct bufferevent *bufev,
@@ -336,6 +341,7 @@
 	evutil_offsetof(struct bufferevent_openssl, bev.bev),
 	be_openssl_enable,
 	be_openssl_disable,
+	be_openssl_unlink,
 	be_openssl_destruct,
 	be_openssl_adj_timeouts,
 	be_openssl_flush,
@@ -376,15 +382,15 @@
 start_reading(struct bufferevent_openssl *bev_ssl)
 {
 	if (bev_ssl->underlying) {
-		bufferevent_unsuspend_read(bev_ssl->underlying,
+		bufferevent_unsuspend_read_(bev_ssl->underlying,
 		    BEV_SUSPEND_FILT_READ);
 		return 0;
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
 		int r;
-		r = _bufferevent_add_event(&bev->ev_read, &bev->timeout_read);
+		r = bufferevent_add_event_(&bev->ev_read, &bev->timeout_read);
 		if (r == 0 && bev_ssl->read_blocked_on_write)
-			r = _bufferevent_add_event(&bev->ev_write,
+			r = bufferevent_add_event_(&bev->ev_write,
 			    &bev->timeout_write);
 		return r;
 	}
@@ -398,12 +404,15 @@
 {
 	int r = 0;
 	if (bev_ssl->underlying) {
-		;
+		if (bev_ssl->write_blocked_on_read) {
+			bufferevent_unsuspend_read_(bev_ssl->underlying,
+			    BEV_SUSPEND_FILT_READ);
+		}
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
-		r = _bufferevent_add_event(&bev->ev_write, &bev->timeout_write);
+		r = bufferevent_add_event_(&bev->ev_write, &bev->timeout_write);
 		if (!r && bev_ssl->write_blocked_on_read)
-			r = _bufferevent_add_event(&bev->ev_read,
+			r = bufferevent_add_event_(&bev->ev_read,
 			    &bev->timeout_read);
 	}
 	return r;
@@ -415,7 +424,7 @@
 	if (bev_ssl->write_blocked_on_read)
 		return;
 	if (bev_ssl->underlying) {
-		bufferevent_suspend_read(bev_ssl->underlying,
+		bufferevent_suspend_read_(bev_ssl->underlying,
 		    BEV_SUSPEND_FILT_READ);
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
@@ -429,7 +438,8 @@
 	if (bev_ssl->read_blocked_on_write)
 		return;
 	if (bev_ssl->underlying) {
-		;
+		bufferevent_unsuspend_read_(bev_ssl->underlying,
+		    BEV_SUSPEND_FILT_READ);
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
 		event_del(&bev->ev_write);
@@ -482,7 +492,7 @@
 }
 
 static void
-conn_closed(struct bufferevent_openssl *bev_ssl, int errcode, int ret)
+conn_closed(struct bufferevent_openssl *bev_ssl, int when, int errcode, int ret)
 {
 	int event = BEV_EVENT_ERROR;
 	int dirty_shutdown = 0;
@@ -498,7 +508,7 @@
 		break;
 	case SSL_ERROR_SYSCALL:
 		/* IO error; possibly a dirty shutdown. */
-		if (ret == 0 && ERR_peek_error() == 0)
+		if ((ret == 0 || ret == -1) && ERR_peek_error() == 0)
 			dirty_shutdown = 1;
 		break;
 	case SSL_ERROR_SSL:
@@ -528,16 +538,20 @@
 	stop_reading(bev_ssl);
 	stop_writing(bev_ssl);
 
-	_bufferevent_run_eventcb(&bev_ssl->bev.bev, event);
+	/* when is BEV_EVENT_{READING|WRITING} */
+	event = when | event;
+	bufferevent_run_eventcb_(&bev_ssl->bev.bev, event, 0);
 }
 
 static void
 init_bio_counts(struct bufferevent_openssl *bev_ssl)
 {
-	bev_ssl->counts.n_written =
-	    BIO_number_written(SSL_get_wbio(bev_ssl->ssl));
-	bev_ssl->counts.n_read =
-	    BIO_number_read(SSL_get_rbio(bev_ssl->ssl));
+	BIO *rbio, *wbio;
+
+	wbio = SSL_get_wbio(bev_ssl->ssl);
+	bev_ssl->counts.n_written = wbio ? BIO_number_written(wbio) : 0;
+	rbio = SSL_get_rbio(bev_ssl->ssl);
+	bev_ssl->counts.n_read = rbio ? BIO_number_read(rbio) : 0;
 }
 
 static inline void
@@ -549,9 +563,9 @@
 	unsigned long w = num_w - bev_ssl->counts.n_written;
 	unsigned long r = num_r - bev_ssl->counts.n_read;
 	if (w)
-		_bufferevent_decrement_write_buckets(&bev_ssl->bev, w);
+		bufferevent_decrement_write_buckets_(&bev_ssl->bev, w);
 	if (r)
-		_bufferevent_decrement_read_buckets(&bev_ssl->bev, r);
+		bufferevent_decrement_read_buckets_(&bev_ssl->bev, r);
 	bev_ssl->counts.n_written = num_w;
 	bev_ssl->counts.n_read = num_r;
 }
@@ -574,7 +588,7 @@
 	if (bev_ssl->bev.read_suspended)
 		return 0;
 
-	atmost = _bufferevent_get_read_max(&bev_ssl->bev);
+	atmost = bufferevent_get_read_max_(&bev_ssl->bev);
 	if (n_to_read > atmost)
 		n_to_read = atmost;
 
@@ -585,6 +599,7 @@
 	for (i=0; i<n; ++i) {
 		if (bev_ssl->bev.read_suspended)
 			break;
+		ERR_clear_error();
 		r = SSL_read(bev_ssl->ssl, space[i].iov_base, space[i].iov_len);
 		if (r>0) {
 			result |= OP_MADE_PROGRESS;
@@ -612,7 +627,7 @@
 						return OP_ERR | result;
 				break;
 			default:
-				conn_closed(bev_ssl, err, r);
+				conn_closed(bev_ssl, BEV_EVENT_READING, err, r);
 				break;
 			}
 			result |= OP_BLOCKED;
@@ -643,7 +658,7 @@
 	if (bev_ssl->last_write > 0)
 		atmost = bev_ssl->last_write;
 	else
-		atmost = _bufferevent_get_write_max(&bev_ssl->bev);
+		atmost = bufferevent_get_write_max_(&bev_ssl->bev);
 
 	n = evbuffer_peek(output, atmost, NULL, space, 8);
 	if (n < 0)
@@ -661,6 +676,7 @@
 		if (space[i].iov_len == 0)
 			continue;
 
+		ERR_clear_error();
 		r = SSL_write(bev_ssl->ssl, space[i].iov_base,
 		    space[i].iov_len);
 		if (r > 0) {
@@ -691,7 +707,7 @@
 				bev_ssl->last_write = space[i].iov_len;
 				break;
 			default:
-				conn_closed(bev_ssl, err, r);
+				conn_closed(bev_ssl, BEV_EVENT_WRITING, err, r);
 				bev_ssl->last_write = -1;
 				break;
 			}
@@ -704,8 +720,7 @@
 		if (bev_ssl->underlying)
 			BEV_RESET_GENERIC_WRITE_TIMEOUT(bev);
 
-		if (evbuffer_get_length(output) <= bev->wm_write.low)
-			_bufferevent_run_writecb(bev);
+		bufferevent_trigger_nolock_(bev, EV_WRITE, BEV_OPT_DEFER_CALLBACKS);
 	}
 	return result;
 }
@@ -749,7 +764,7 @@
 	}
 
 	/* Respect the rate limit */
-	limit = _bufferevent_get_read_max(&bev->bev);
+	limit = bufferevent_get_read_max_(&bev->bev);
 	if (result > limit) {
 		result = limit;
 	}
@@ -819,11 +834,8 @@
 
 	if (all_result_flags & OP_MADE_PROGRESS) {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
-		struct evbuffer *input = bev->input;
 
-		if (evbuffer_get_length(input) >= bev->wm_read.low) {
-			_bufferevent_run_readcb(bev);
-		}
+		bufferevent_trigger_nolock_(bev, EV_READ, 0);
 	}
 
 	if (!bev_ssl->underlying) {
@@ -847,11 +859,8 @@
 		r = do_read(bev_ssl, 1024); /* XXXX 1024 is a hack */
 		if (r & OP_MADE_PROGRESS) {
 			struct bufferevent *bev = &bev_ssl->bev.bev;
-			struct evbuffer *input = bev->input;
 
-			if (evbuffer_get_length(input) >= bev->wm_read.low) {
-				_bufferevent_run_readcb(bev);
-			}
+			bufferevent_trigger_nolock_(bev, EV_READ, 0);
 		}
 		if (r & (OP_ERR|OP_BLOCKED))
 			break;
@@ -923,35 +932,47 @@
 		   eat it. */
 	}
 	if (event)
-		_bufferevent_run_eventcb(&bev_ssl->bev.bev, event);
+		bufferevent_run_eventcb_(&bev_ssl->bev.bev, event, 0);
 }
 
 static void
 be_openssl_readeventcb(evutil_socket_t fd, short what, void *ptr)
 {
 	struct bufferevent_openssl *bev_ssl = ptr;
-	_bufferevent_incref_and_lock(&bev_ssl->bev.bev);
+	bufferevent_incref_and_lock_(&bev_ssl->bev.bev);
 	if (what == EV_TIMEOUT) {
-		_bufferevent_run_eventcb(&bev_ssl->bev.bev,
-		    BEV_EVENT_TIMEOUT|BEV_EVENT_READING);
+		bufferevent_run_eventcb_(&bev_ssl->bev.bev,
+		    BEV_EVENT_TIMEOUT|BEV_EVENT_READING, 0);
 	} else {
 		consider_reading(bev_ssl);
 	}
-	_bufferevent_decref_and_unlock(&bev_ssl->bev.bev);
+	bufferevent_decref_and_unlock_(&bev_ssl->bev.bev);
 }
 
 static void
 be_openssl_writeeventcb(evutil_socket_t fd, short what, void *ptr)
 {
 	struct bufferevent_openssl *bev_ssl = ptr;
-	_bufferevent_incref_and_lock(&bev_ssl->bev.bev);
+	bufferevent_incref_and_lock_(&bev_ssl->bev.bev);
 	if (what == EV_TIMEOUT) {
-		_bufferevent_run_eventcb(&bev_ssl->bev.bev,
-		    BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING);
+		bufferevent_run_eventcb_(&bev_ssl->bev.bev,
+		    BEV_EVENT_TIMEOUT|BEV_EVENT_WRITING, 0);
 	} else {
 		consider_writing(bev_ssl);
 	}
-	_bufferevent_decref_and_unlock(&bev_ssl->bev.bev);
+	bufferevent_decref_and_unlock_(&bev_ssl->bev.bev);
+}
+
+static int
+be_openssl_auto_fd(struct bufferevent_openssl *bev_ssl, int fd)
+{
+	if (!bev_ssl->underlying) {
+		struct bufferevent *bev = &bev_ssl->bev.bev;
+		if (event_initialized(&bev->ev_read) && fd < 0) {
+			fd = event_get_fd(&bev->ev_read);
+		}
+	}
+	return fd;
 }
 
 static int
@@ -965,25 +986,27 @@
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
 		int rpending=0, wpending=0, r1=0, r2=0;
-		if (fd < 0 && bev_ssl->fd_is_set)
-			fd = event_get_fd(&bev->ev_read);
-		if (bev_ssl->fd_is_set) {
+
+		if (event_initialized(&bev->ev_read)) {
 			rpending = event_pending(&bev->ev_read, EV_READ, NULL);
 			wpending = event_pending(&bev->ev_write, EV_WRITE, NULL);
+
 			event_del(&bev->ev_read);
 			event_del(&bev->ev_write);
 		}
+
 		event_assign(&bev->ev_read, bev->ev_base, fd,
-		    EV_READ|EV_PERSIST, be_openssl_readeventcb, bev_ssl);
+		    EV_READ|EV_PERSIST|EV_FINALIZE,
+		    be_openssl_readeventcb, bev_ssl);
 		event_assign(&bev->ev_write, bev->ev_base, fd,
-		    EV_WRITE|EV_PERSIST, be_openssl_writeeventcb, bev_ssl);
+		    EV_WRITE|EV_PERSIST|EV_FINALIZE,
+		    be_openssl_writeeventcb, bev_ssl);
+
 		if (rpending)
-			r1 = _bufferevent_add_event(&bev->ev_read, &bev->timeout_read);
+			r1 = bufferevent_add_event_(&bev->ev_read, &bev->timeout_read);
 		if (wpending)
-			r2 = _bufferevent_add_event(&bev->ev_write, &bev->timeout_write);
-		if (fd >= 0) {
-			bev_ssl->fd_is_set = 1;
-		}
+			r2 = bufferevent_add_event_(&bev->ev_write, &bev->timeout_write);
+
 		return (r1<0 || r2<0) ? -1 : 0;
 	}
 }
@@ -1000,38 +1023,34 @@
 		return -1;
 	case BUFFEREVENT_SSL_CONNECTING:
 	case BUFFEREVENT_SSL_ACCEPTING:
+		ERR_clear_error();
 		r = SSL_do_handshake(bev_ssl->ssl);
 		break;
 	}
 	decrement_buckets(bev_ssl);
 
 	if (r==1) {
+		int fd = event_get_fd(&bev_ssl->bev.bev.ev_read);
 		/* We're done! */
 		bev_ssl->state = BUFFEREVENT_SSL_OPEN;
-		set_open_callbacks(bev_ssl, -1); /* XXXX handle failure */
+		set_open_callbacks(bev_ssl, fd); /* XXXX handle failure */
 		/* Call do_read and do_write as needed */
 		bufferevent_enable(&bev_ssl->bev.bev, bev_ssl->bev.bev.enabled);
-		_bufferevent_run_eventcb(&bev_ssl->bev.bev,
-		    BEV_EVENT_CONNECTED);
+		bufferevent_run_eventcb_(&bev_ssl->bev.bev,
+		    BEV_EVENT_CONNECTED, 0);
 		return 1;
 	} else {
 		int err = SSL_get_error(bev_ssl->ssl, r);
 		print_err(err);
 		switch (err) {
 		case SSL_ERROR_WANT_WRITE:
-			if (!bev_ssl->underlying) {
-				stop_reading(bev_ssl);
-				return start_writing(bev_ssl);
-			}
-			return 0;
+			stop_reading(bev_ssl);
+			return start_writing(bev_ssl);
 		case SSL_ERROR_WANT_READ:
-			if (!bev_ssl->underlying) {
-				stop_writing(bev_ssl);
-				return start_reading(bev_ssl);
-			}
-			return 0;
+			stop_writing(bev_ssl);
+			return start_reading(bev_ssl);
 		default:
-			conn_closed(bev_ssl, err, r);
+			conn_closed(bev_ssl, BEV_EVENT_READING, err, r);
 			return -1;
 		}
 	}
@@ -1049,12 +1068,12 @@
 {
 	struct bufferevent_openssl *bev_ssl = ptr;
 
-	_bufferevent_incref_and_lock(&bev_ssl->bev.bev);
+	bufferevent_incref_and_lock_(&bev_ssl->bev.bev);
 	if (what & EV_TIMEOUT) {
-		_bufferevent_run_eventcb(&bev_ssl->bev.bev, BEV_EVENT_TIMEOUT);
+		bufferevent_run_eventcb_(&bev_ssl->bev.bev, BEV_EVENT_TIMEOUT, 0);
 	} else
 		do_handshake(bev_ssl);/* XXX handle failure */
-	_bufferevent_decref_and_unlock(&bev_ssl->bev.bev);
+	bufferevent_decref_and_unlock_(&bev_ssl->bev.bev);
 }
 
 static int
@@ -1065,26 +1084,31 @@
 		    be_openssl_handshakecb, be_openssl_handshakecb,
 		    be_openssl_eventcb,
 		    bev_ssl);
+
+		if (fd < 0)
+			return 0;
+
+		if (bufferevent_setfd(bev_ssl->underlying, fd))
+			return 1;
+
 		return do_handshake(bev_ssl);
 	} else {
 		struct bufferevent *bev = &bev_ssl->bev.bev;
-		int r1=0, r2=0;
-		if (fd < 0 && bev_ssl->fd_is_set)
-			fd = event_get_fd(&bev->ev_read);
-		if (bev_ssl->fd_is_set) {
+
+		if (event_initialized(&bev->ev_read)) {
 			event_del(&bev->ev_read);
 			event_del(&bev->ev_write);
 		}
+
 		event_assign(&bev->ev_read, bev->ev_base, fd,
-		    EV_READ|EV_PERSIST, be_openssl_handshakeeventcb, bev_ssl);
+		    EV_READ|EV_PERSIST|EV_FINALIZE,
+		    be_openssl_handshakeeventcb, bev_ssl);
 		event_assign(&bev->ev_write, bev->ev_base, fd,
-		    EV_WRITE|EV_PERSIST, be_openssl_handshakeeventcb, bev_ssl);
-		if (fd >= 0) {
-			r1 = _bufferevent_add_event(&bev->ev_read, &bev->timeout_read);
-			r2 = _bufferevent_add_event(&bev->ev_write, &bev->timeout_write);
-			bev_ssl->fd_is_set = 1;
-		}
-		return (r1<0 || r2<0) ? -1 : 0;
+		    EV_WRITE|EV_PERSIST|EV_FINALIZE,
+		    be_openssl_handshakeeventcb, bev_ssl);
+		if (fd >= 0)
+			bufferevent_enable(bev, bev->enabled);
+		return 0;
 	}
 }
 
@@ -1097,7 +1121,7 @@
 	if (SSL_renegotiate(bev_ssl->ssl) < 0)
 		return -1;
 	bev_ssl->state = BUFFEREVENT_SSL_CONNECTING;
-	if (set_handshake_callbacks(bev_ssl, -1) < 0)
+	if (set_handshake_callbacks(bev_ssl, be_openssl_auto_fd(bev_ssl, -1)) < 0)
 		return -1;
 	if (!bev_ssl->underlying)
 		return do_handshake(bev_ssl);
@@ -1114,12 +1138,14 @@
 
 	if (cbinfo->n_added && bev_ssl->state == BUFFEREVENT_SSL_OPEN) {
 		if (cbinfo->orig_size == 0)
-			r = _bufferevent_add_event(&bev_ssl->bev.bev.ev_write,
+			r = bufferevent_add_event_(&bev_ssl->bev.bev.ev_write,
 			    &bev_ssl->bev.bev.timeout_write);
-		consider_writing(bev_ssl);
+
+		if (bev_ssl->underlying)
+			consider_writing(bev_ssl);
 	}
 	/* XXX Handle r < 0 */
-        (void)r;
+	(void)r;
 }
 
 
@@ -1129,9 +1155,6 @@
 	struct bufferevent_openssl *bev_ssl = upcast(bev);
 	int r1 = 0, r2 = 0;
 
-	if (bev_ssl->state != BUFFEREVENT_SSL_OPEN)
-		return 0;
-
 	if (events & EV_READ)
 		r1 = start_reading(bev_ssl);
 	if (events & EV_WRITE)
@@ -1155,8 +1178,6 @@
 be_openssl_disable(struct bufferevent *bev, short events)
 {
 	struct bufferevent_openssl *bev_ssl = upcast(bev);
-	if (bev_ssl->state != BUFFEREVENT_SSL_OPEN)
-		return 0;
 
 	if (events & EV_READ)
 		stop_reading(bev_ssl);
@@ -1173,17 +1194,10 @@
 }
 
 static void
-be_openssl_destruct(struct bufferevent *bev)
+be_openssl_unlink(struct bufferevent *bev)
 {
 	struct bufferevent_openssl *bev_ssl = upcast(bev);
 
-	if (bev_ssl->underlying) {
-		_bufferevent_del_generic_timeout_cbs(bev);
-	} else {
-		event_del(&bev->ev_read);
-		event_del(&bev->ev_write);
-	}
-
 	if (bev_ssl->bev.options & BEV_OPT_CLOSE_ON_FREE) {
 		if (bev_ssl->underlying) {
 			if (BEV_UPCAST(bev_ssl->underlying)->refcnt < 2) {
@@ -1191,9 +1205,29 @@
 				    "bufferevent with too few references");
 			} else {
 				bufferevent_free(bev_ssl->underlying);
-				bev_ssl->underlying = NULL;
+				/* We still have a reference to it, via our
+				 * BIO. So we don't drop this. */
+				// bev_ssl->underlying = NULL;
 			}
-		} else {
+		}
+	} else {
+		if (bev_ssl->underlying) {
+			if (bev_ssl->underlying->errorcb == be_openssl_eventcb)
+				bufferevent_setcb(bev_ssl->underlying,
+				    NULL,NULL,NULL,NULL);
+			bufferevent_unsuspend_read_(bev_ssl->underlying,
+			    BEV_SUSPEND_FILT_READ);
+		}
+	}
+}
+
+static void
+be_openssl_destruct(struct bufferevent *bev)
+{
+	struct bufferevent_openssl *bev_ssl = upcast(bev);
+
+	if (bev_ssl->bev.options & BEV_OPT_CLOSE_ON_FREE) {
+		if (! bev_ssl->underlying) {
 			evutil_socket_t fd = -1;
 			BIO *bio = SSL_get_wbio(bev_ssl->ssl);
 			if (bio)
@@ -1202,14 +1236,6 @@
 				evutil_closesocket(fd);
 		}
 		SSL_free(bev_ssl->ssl);
-	} else {
-		if (bev_ssl->underlying) {
-			if (bev_ssl->underlying->errorcb == be_openssl_eventcb)
-				bufferevent_setcb(bev_ssl->underlying,
-				    NULL,NULL,NULL,NULL);
-			bufferevent_unsuspend_read(bev_ssl->underlying,
-			    BEV_SUSPEND_FILT_READ);
-		}
 	}
 }
 
@@ -1218,15 +1244,10 @@
 {
 	struct bufferevent_openssl *bev_ssl = upcast(bev);
 
-	if (bev_ssl->underlying)
-		return _bufferevent_generic_adj_timeouts(bev);
-	else {
-		int r1=0, r2=0;
-		if (event_pending(&bev->ev_read, EV_READ, NULL))
-			r1 = _bufferevent_add_event(&bev->ev_read, &bev->timeout_read);
-		if (event_pending(&bev->ev_write, EV_WRITE, NULL))
-			r2 = _bufferevent_add_event(&bev->ev_write, &bev->timeout_write);
-		return (r1<0 || r2<0) ? -1 : 0;
+	if (bev_ssl->underlying) {
+		return bufferevent_generic_adj_timeouts_(bev);
+	} else {
+		return bufferevent_generic_adj_existing_timeouts_(bev);
 	}
 }
 
@@ -1239,35 +1260,60 @@
 }
 
 static int
+be_openssl_set_fd(struct bufferevent_openssl *bev_ssl,
+    enum bufferevent_ssl_state state, int fd)
+{
+	bev_ssl->state = state;
+
+	switch (state) {
+	case BUFFEREVENT_SSL_ACCEPTING:
+		SSL_set_accept_state(bev_ssl->ssl);
+		if (set_handshake_callbacks(bev_ssl, fd) < 0)
+			return -1;
+		break;
+	case BUFFEREVENT_SSL_CONNECTING:
+		SSL_set_connect_state(bev_ssl->ssl);
+		if (set_handshake_callbacks(bev_ssl, fd) < 0)
+			return -1;
+		break;
+	case BUFFEREVENT_SSL_OPEN:
+		if (set_open_callbacks(bev_ssl, fd) < 0)
+			return -1;
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
 be_openssl_ctrl(struct bufferevent *bev,
     enum bufferevent_ctrl_op op, union bufferevent_ctrl_data *data)
 {
 	struct bufferevent_openssl *bev_ssl = upcast(bev);
 	switch (op) {
 	case BEV_CTRL_SET_FD:
-		if (bev_ssl->underlying)
-			return -1;
-		{
+		if (!bev_ssl->underlying) {
 			BIO *bio;
 			bio = BIO_new_socket(data->fd, 0);
 			SSL_set_bio(bev_ssl->ssl, bio, bio);
-			bev_ssl->fd_is_set = 1;
+		} else {
+			BIO *bio;
+			if (!(bio = BIO_new_bufferevent(bev_ssl->underlying, 0)))
+				return -1;
+			SSL_set_bio(bev_ssl->ssl, bio, bio);
 		}
-		if (bev_ssl->state == BUFFEREVENT_SSL_OPEN)
-			return set_open_callbacks(bev_ssl, data->fd);
-		else {
-			return set_handshake_callbacks(bev_ssl, data->fd);
-		}
+
+		return be_openssl_set_fd(bev_ssl, bev_ssl->old_state, data->fd);
 	case BEV_CTRL_GET_FD:
-		if (bev_ssl->underlying)
-			return -1;
-		if (!bev_ssl->fd_is_set)
-			return -1;
-		data->fd = event_get_fd(&bev->ev_read);
+		if (bev_ssl->underlying) {
+			data->fd = event_get_fd(&bev_ssl->underlying->ev_read);
+		} else {
+			data->fd = event_get_fd(&bev->ev_read);
+		}
 		return 0;
 	case BEV_CTRL_GET_UNDERLYING:
-		if (!bev_ssl->underlying)
-			return -1;
 		data->ptr = bev_ssl->underlying;
 		return 0;
 	case BEV_CTRL_CANCEL_ALL:
@@ -1305,7 +1351,7 @@
 
 	bev_p = &bev_ssl->bev;
 
-	if (bufferevent_init_common(bev_p, base,
+	if (bufferevent_init_common_(bev_p, base,
 		&bufferevent_ops_openssl, tmp_options) < 0)
 		goto err;
 
@@ -1320,52 +1366,28 @@
 	    be_openssl_outbuf_cb, bev_ssl);
 
 	if (options & BEV_OPT_THREADSAFE)
-		bufferevent_enable_locking(&bev_ssl->bev.bev, NULL);
+		bufferevent_enable_locking_(&bev_ssl->bev.bev, NULL);
 
 	if (underlying) {
-		_bufferevent_init_generic_timeout_cbs(&bev_ssl->bev.bev);
-		bufferevent_incref(underlying);
+		bufferevent_init_generic_timeout_cbs_(&bev_ssl->bev.bev);
+		bufferevent_incref_(underlying);
 	}
 
-	bev_ssl->state = state;
+	bev_ssl->old_state = state;
 	bev_ssl->last_write = -1;
 
 	init_bio_counts(bev_ssl);
 
-	switch (state) {
-	case BUFFEREVENT_SSL_ACCEPTING:
-		SSL_set_accept_state(bev_ssl->ssl);
-		if (set_handshake_callbacks(bev_ssl, fd) < 0)
-			goto err;
-		break;
-	case BUFFEREVENT_SSL_CONNECTING:
-		SSL_set_connect_state(bev_ssl->ssl);
-		if (set_handshake_callbacks(bev_ssl, fd) < 0)
-			goto err;
-		break;
-	case BUFFEREVENT_SSL_OPEN:
-		if (set_open_callbacks(bev_ssl, fd) < 0)
-			goto err;
-		break;
-	default:
+	fd = be_openssl_auto_fd(bev_ssl, fd);
+	if (be_openssl_set_fd(bev_ssl, state, fd))
 		goto err;
-	}
 
 	if (underlying) {
 		bufferevent_setwatermark(underlying, EV_READ, 0, 0);
 		bufferevent_enable(underlying, EV_READ|EV_WRITE);
 		if (state == BUFFEREVENT_SSL_OPEN)
-			bufferevent_suspend_read(underlying,
+			bufferevent_suspend_read_(underlying,
 			    BEV_SUSPEND_FILT_READ);
-	} else {
-		bev_ssl->bev.bev.enabled = EV_READ|EV_WRITE;
-		if (bev_ssl->fd_is_set) {
-			if (state != BUFFEREVENT_SSL_OPEN)
-				if (event_add(&bev_ssl->bev.bev.ev_read, NULL) < 0)
-					goto err;
-			if (event_add(&bev_ssl->bev.bev.ev_write, NULL) < 0)
-				goto err;
-		}
 	}
 
 	return &bev_ssl->bev.bev;
@@ -1439,6 +1461,31 @@
 		base, NULL, fd, ssl, state, options);
 }
 
+int
+bufferevent_openssl_get_allow_dirty_shutdown(struct bufferevent *bev)
+{
+	int allow_dirty_shutdown = -1;
+	struct bufferevent_openssl *bev_ssl;
+	BEV_LOCK(bev);
+	bev_ssl = upcast(bev);
+	if (bev_ssl)
+		allow_dirty_shutdown = bev_ssl->allow_dirty_shutdown;
+	BEV_UNLOCK(bev);
+	return allow_dirty_shutdown;
+}
+
+void
+bufferevent_openssl_set_allow_dirty_shutdown(struct bufferevent *bev,
+    int allow_dirty_shutdown)
+{
+	struct bufferevent_openssl *bev_ssl;
+	BEV_LOCK(bev);
+	bev_ssl = upcast(bev);
+	if (bev_ssl)
+		bev_ssl->allow_dirty_shutdown = !!allow_dirty_shutdown;
+	BEV_UNLOCK(bev);
+}
+
 unsigned long
 bufferevent_get_openssl_error(struct bufferevent *bev)
 {
diff --git a/bufferevent_pair.c b/bufferevent_pair.c
index e9ed9f5..1e93f57 100644
--- a/bufferevent_pair.c
+++ b/bufferevent_pair.c
@@ -23,15 +23,15 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "event2/event-config.h"
+#include "evconfig-private.h"
 
 #include <sys/types.h>
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
 
-#include "event2/event-config.h"
-
 #include "event2/util.h"
 #include "event2/buffer.h"
 #include "event2/bufferevent.h"
@@ -45,6 +45,8 @@
 struct bufferevent_pair {
 	struct bufferevent_private bev;
 	struct bufferevent_pair *partner;
+	/* For ->destruct() lock checking */
+	struct bufferevent_pair *unlinked_partner;
 };
 
 
@@ -67,10 +69,10 @@
 incref_and_lock(struct bufferevent *b)
 {
 	struct bufferevent_pair *bevp;
-	_bufferevent_incref_and_lock(b);
+	bufferevent_incref_and_lock_(b);
 	bevp = upcast(b);
 	if (bevp->partner)
-		_bufferevent_incref_and_lock(downcast(bevp->partner));
+		bufferevent_incref_and_lock_(downcast(bevp->partner));
 }
 
 static inline void
@@ -78,8 +80,8 @@
 {
 	struct bufferevent_pair *bevp = upcast(b);
 	if (bevp->partner)
-		_bufferevent_decref_and_unlock(downcast(bevp->partner));
-	_bufferevent_decref_and_unlock(b);
+		bufferevent_decref_and_unlock_(downcast(bevp->partner));
+	bufferevent_decref_and_unlock_(b);
 }
 
 /* XXX Handle close */
@@ -94,7 +96,7 @@
 	struct bufferevent_pair *bufev;
 	if (! (bufev = mm_calloc(1, sizeof(struct bufferevent_pair))))
 		return NULL;
-	if (bufferevent_init_common(&bufev->bev, base, &bufferevent_ops_pair,
+	if (bufferevent_init_common_(&bufev->bev, base, &bufferevent_ops_pair,
 		options)) {
 		mm_free(bufev);
 		return NULL;
@@ -104,7 +106,7 @@
 		return NULL;
 	}
 
-	_bufferevent_init_generic_timeout_cbs(&bufev->bev.bev);
+	bufferevent_init_generic_timeout_cbs_(&bufev->bev.bev);
 
 	return bufev;
 }
@@ -130,7 +132,7 @@
 
 	if (options & BEV_OPT_THREADSAFE) {
 		/*XXXX check return */
-		bufferevent_enable_locking(downcast(bufev2), bufev1->bev.lock);
+		bufferevent_enable_locking_(downcast(bufev2), bufev1->bev.lock);
 	}
 
 	bufev1->partner = bufev2;
@@ -151,7 +153,7 @@
 be_pair_transfer(struct bufferevent *src, struct bufferevent *dst,
     int ignore_wm)
 {
-	size_t src_size, dst_size;
+	size_t dst_size;
 	size_t n;
 
 	evbuffer_unfreeze(src->output, 1);
@@ -182,15 +184,8 @@
 			BEV_DEL_GENERIC_WRITE_TIMEOUT(dst);
 	}
 
-	src_size = evbuffer_get_length(src->output);
-	dst_size = evbuffer_get_length(dst->input);
-
-	if (dst_size >= dst->wm_read.low) {
-		_bufferevent_run_readcb(dst);
-	}
-	if (src_size <= src->wm_write.low) {
-		_bufferevent_run_writecb(src);
-	}
+	bufferevent_trigger_nolock_(dst, EV_READ, 0);
+	bufferevent_trigger_nolock_(src, EV_WRITE, 0);
 done:
 	evbuffer_freeze(src->output, 1);
 	evbuffer_freeze(dst->input, 0);
@@ -260,22 +255,50 @@
 	if (events & EV_READ) {
 		BEV_DEL_GENERIC_READ_TIMEOUT(bev);
 	}
-	if (events & EV_WRITE)
+	if (events & EV_WRITE) {
 		BEV_DEL_GENERIC_WRITE_TIMEOUT(bev);
+	}
 	return 0;
 }
 
 static void
+be_pair_unlink(struct bufferevent *bev)
+{
+	struct bufferevent_pair *bev_p = upcast(bev);
+
+	if (bev_p->partner) {
+		bev_p->unlinked_partner = bev_p->partner;
+		bev_p->partner->partner = NULL;
+		bev_p->partner = NULL;
+	}
+}
+
+/* Free *shared* lock in the latest be (since we share it between two of them). */
+static void
 be_pair_destruct(struct bufferevent *bev)
 {
 	struct bufferevent_pair *bev_p = upcast(bev);
 
-	if (bev_p->partner) {
-		bev_p->partner->partner = NULL;
-		bev_p->partner = NULL;
+	/* Transfer ownership of the lock into partner, otherwise we will use
+	 * already free'd lock during freeing second bev, see next example:
+	 *
+	 * bev1->own_lock = 1
+	 * bev2->own_lock = 0
+	 * bev2->lock = bev1->lock
+	 *
+	 * bufferevent_free(bev1) # refcnt == 0 -> unlink
+	 * bufferevent_free(bev2) # refcnt == 0 -> unlink
+	 *
+	 * event_base_free() -> finilizers -> EVTHREAD_FREE_LOCK(bev1->lock)
+	 *                                 -> BEV_LOCK(bev2->lock) <-- already freed
+	 *
+	 * Where bev1 == pair[0], bev2 == pair[1].
+	 */
+	if (bev_p->unlinked_partner && bev_p->bev.own_lock) {
+		bev_p->unlinked_partner->bev.own_lock = 1;
+		bev_p->bev.own_lock = 0;
 	}
-
-	_bufferevent_del_generic_timeout_cbs(bev);
+	bev_p->unlinked_partner = NULL;
 }
 
 static int
@@ -284,15 +307,17 @@
 {
 	struct bufferevent_pair *bev_p = upcast(bev);
 	struct bufferevent *partner;
-	incref_and_lock(bev);
+
 	if (!bev_p->partner)
 		return -1;
 
-	partner = downcast(bev_p->partner);
-
 	if (mode == BEV_NORMAL)
 		return 0;
 
+	incref_and_lock(bev);
+
+	partner = downcast(bev_p->partner);
+
 	if ((iotype & EV_READ) != 0)
 		be_pair_transfer(partner, bev, 1);
 
@@ -300,7 +325,12 @@
 		be_pair_transfer(bev, partner, 1);
 
 	if (mode == BEV_FINISHED) {
-		_bufferevent_run_eventcb(partner, iotype|BEV_EVENT_EOF);
+		short what = BEV_EVENT_EOF;
+		if (iotype & EV_READ)
+			what |= BEV_EVENT_WRITING;
+		if (iotype & EV_WRITE)
+			what |= BEV_EVENT_READING;
+		bufferevent_run_eventcb_(partner, what, 0);
 	}
 	decref_and_unlock(bev);
 	return 0;
@@ -327,8 +357,9 @@
 	evutil_offsetof(struct bufferevent_pair, bev.bev),
 	be_pair_enable,
 	be_pair_disable,
+	be_pair_unlink,
 	be_pair_destruct,
-	_bufferevent_generic_adj_timeouts,
+	bufferevent_generic_adj_timeouts_,
 	be_pair_flush,
 	NULL, /* ctrl */
 };
diff --git a/bufferevent_ratelim.c b/bufferevent_ratelim.c
index 7965390..bde1920 100644
--- a/bufferevent_ratelim.c
+++ b/bufferevent_ratelim.c
@@ -25,6 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "evconfig-private.h"
 
 #include <sys/types.h>
 #include <limits.h>
@@ -46,7 +47,7 @@
 #include "event-internal.h"
 
 int
-ev_token_bucket_init(struct ev_token_bucket *bucket,
+ev_token_bucket_init_(struct ev_token_bucket *bucket,
     const struct ev_token_bucket_cfg *cfg,
     ev_uint32_t current_tick,
     int reinitialize)
@@ -70,7 +71,7 @@
 }
 
 int
-ev_token_bucket_update(struct ev_token_bucket *bucket,
+ev_token_bucket_update_(struct ev_token_bucket *bucket,
     const struct ev_token_bucket_cfg *cfg,
     ev_uint32_t current_tick)
 {
@@ -116,14 +117,14 @@
 	struct timeval now;
 	unsigned tick;
 	event_base_gettimeofday_cached(bev->bev.ev_base, &now);
-	tick = ev_token_bucket_get_tick(&now, bev->rate_limiting->cfg);
+	tick = ev_token_bucket_get_tick_(&now, bev->rate_limiting->cfg);
 	if (tick != bev->rate_limiting->limit.last_updated)
-		ev_token_bucket_update(&bev->rate_limiting->limit,
+		ev_token_bucket_update_(&bev->rate_limiting->limit,
 		    bev->rate_limiting->cfg, tick);
 }
 
 ev_uint32_t
-ev_token_bucket_get_tick(const struct timeval *tv,
+ev_token_bucket_get_tick_(const struct timeval *tv,
     const struct ev_token_bucket_cfg *cfg)
 {
 	/* This computation uses two multiplies and a divide.  We could do
@@ -177,30 +178,27 @@
 	mm_free(cfg);
 }
 
-/* No matter how big our bucket gets, don't try to read more than this
- * much in a single read operation. */
-#define MAX_TO_READ_EVER 16384
-/* No matter how big our bucket gets, don't try to write more than this
- * much in a single write operation. */
-#define MAX_TO_WRITE_EVER 16384
+/* Default values for max_single_read & max_single_write variables. */
+#define MAX_SINGLE_READ_DEFAULT 16384
+#define MAX_SINGLE_WRITE_DEFAULT 16384
 
 #define LOCK_GROUP(g) EVLOCK_LOCK((g)->lock, 0)
 #define UNLOCK_GROUP(g) EVLOCK_UNLOCK((g)->lock, 0)
 
-static int _bev_group_suspend_reading(struct bufferevent_rate_limit_group *g);
-static int _bev_group_suspend_writing(struct bufferevent_rate_limit_group *g);
-static void _bev_group_unsuspend_reading(struct bufferevent_rate_limit_group *g);
-static void _bev_group_unsuspend_writing(struct bufferevent_rate_limit_group *g);
+static int bev_group_suspend_reading_(struct bufferevent_rate_limit_group *g);
+static int bev_group_suspend_writing_(struct bufferevent_rate_limit_group *g);
+static void bev_group_unsuspend_reading_(struct bufferevent_rate_limit_group *g);
+static void bev_group_unsuspend_writing_(struct bufferevent_rate_limit_group *g);
 
 /** Helper: figure out the maximum amount we should write if is_write, or
     the maximum amount we should read if is_read.  Return that maximum, or
     0 if our bucket is wholly exhausted.
  */
 static inline ev_ssize_t
-_bufferevent_get_rlim_max(struct bufferevent_private *bev, int is_write)
+bufferevent_get_rlim_max_(struct bufferevent_private *bev, int is_write)
 {
 	/* needs lock on bev. */
-	ev_ssize_t max_so_far = is_write?MAX_TO_WRITE_EVER:MAX_TO_READ_EVER;
+	ev_ssize_t max_so_far = is_write?bev->max_single_write:bev->max_single_read;
 
 #define LIM(x)						\
 	(is_write ? (x).write_limit : (x).read_limit)
@@ -237,10 +235,10 @@
 			 * particular bufferevent while suspending the whole
 			 * group. */
 			if (is_write)
-				bufferevent_suspend_write(&bev->bev,
+				bufferevent_suspend_write_(&bev->bev,
 				    BEV_SUSPEND_BW_GROUP);
 			else
-				bufferevent_suspend_read(&bev->bev,
+				bufferevent_suspend_read_(&bev->bev,
 				    BEV_SUSPEND_BW_GROUP);
 			share = 0;
 		} else {
@@ -260,19 +258,19 @@
 }
 
 ev_ssize_t
-_bufferevent_get_read_max(struct bufferevent_private *bev)
+bufferevent_get_read_max_(struct bufferevent_private *bev)
 {
-	return _bufferevent_get_rlim_max(bev, 0);
+	return bufferevent_get_rlim_max_(bev, 0);
 }
 
 ev_ssize_t
-_bufferevent_get_write_max(struct bufferevent_private *bev)
+bufferevent_get_write_max_(struct bufferevent_private *bev)
 {
-	return _bufferevent_get_rlim_max(bev, 1);
+	return bufferevent_get_rlim_max_(bev, 1);
 }
 
 int
-_bufferevent_decrement_read_buckets(struct bufferevent_private *bev, ev_ssize_t bytes)
+bufferevent_decrement_read_buckets_(struct bufferevent_private *bev, ev_ssize_t bytes)
 {
 	/* XXXXX Make sure all users of this function check its return value */
 	int r = 0;
@@ -283,14 +281,14 @@
 	if (bev->rate_limiting->cfg) {
 		bev->rate_limiting->limit.read_limit -= bytes;
 		if (bev->rate_limiting->limit.read_limit <= 0) {
-			bufferevent_suspend_read(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_suspend_read_(&bev->bev, BEV_SUSPEND_BW);
 			if (event_add(&bev->rate_limiting->refill_bucket_event,
 				&bev->rate_limiting->cfg->tick_timeout) < 0)
 				r = -1;
 		} else if (bev->read_suspended & BEV_SUSPEND_BW) {
 			if (!(bev->write_suspended & BEV_SUSPEND_BW))
 				event_del(&bev->rate_limiting->refill_bucket_event);
-			bufferevent_unsuspend_read(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_read_(&bev->bev, BEV_SUSPEND_BW);
 		}
 	}
 
@@ -299,9 +297,9 @@
 		bev->rate_limiting->group->rate_limit.read_limit -= bytes;
 		bev->rate_limiting->group->total_read += bytes;
 		if (bev->rate_limiting->group->rate_limit.read_limit <= 0) {
-			_bev_group_suspend_reading(bev->rate_limiting->group);
+			bev_group_suspend_reading_(bev->rate_limiting->group);
 		} else if (bev->rate_limiting->group->read_suspended) {
-			_bev_group_unsuspend_reading(bev->rate_limiting->group);
+			bev_group_unsuspend_reading_(bev->rate_limiting->group);
 		}
 		UNLOCK_GROUP(bev->rate_limiting->group);
 	}
@@ -310,7 +308,7 @@
 }
 
 int
-_bufferevent_decrement_write_buckets(struct bufferevent_private *bev, ev_ssize_t bytes)
+bufferevent_decrement_write_buckets_(struct bufferevent_private *bev, ev_ssize_t bytes)
 {
 	/* XXXXX Make sure all users of this function check its return value */
 	int r = 0;
@@ -321,14 +319,14 @@
 	if (bev->rate_limiting->cfg) {
 		bev->rate_limiting->limit.write_limit -= bytes;
 		if (bev->rate_limiting->limit.write_limit <= 0) {
-			bufferevent_suspend_write(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_suspend_write_(&bev->bev, BEV_SUSPEND_BW);
 			if (event_add(&bev->rate_limiting->refill_bucket_event,
 				&bev->rate_limiting->cfg->tick_timeout) < 0)
 				r = -1;
 		} else if (bev->write_suspended & BEV_SUSPEND_BW) {
 			if (!(bev->read_suspended & BEV_SUSPEND_BW))
 				event_del(&bev->rate_limiting->refill_bucket_event);
-			bufferevent_unsuspend_write(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_write_(&bev->bev, BEV_SUSPEND_BW);
 		}
 	}
 
@@ -337,9 +335,9 @@
 		bev->rate_limiting->group->rate_limit.write_limit -= bytes;
 		bev->rate_limiting->group->total_written += bytes;
 		if (bev->rate_limiting->group->rate_limit.write_limit <= 0) {
-			_bev_group_suspend_writing(bev->rate_limiting->group);
+			bev_group_suspend_writing_(bev->rate_limiting->group);
 		} else if (bev->rate_limiting->group->write_suspended) {
-			_bev_group_unsuspend_writing(bev->rate_limiting->group);
+			bev_group_unsuspend_writing_(bev->rate_limiting->group);
 		}
 		UNLOCK_GROUP(bev->rate_limiting->group);
 	}
@@ -349,22 +347,22 @@
 
 /** Stop reading on every bufferevent in <b>g</b> */
 static int
-_bev_group_suspend_reading(struct bufferevent_rate_limit_group *g)
+bev_group_suspend_reading_(struct bufferevent_rate_limit_group *g)
 {
 	/* Needs group lock */
 	struct bufferevent_private *bev;
 	g->read_suspended = 1;
 	g->pending_unsuspend_read = 0;
 
-	/* Note that in this loop we call EVLOCK_TRY_LOCK instead of BEV_LOCK,
+	/* Note that in this loop we call EVLOCK_TRY_LOCK_ instead of BEV_LOCK,
 	   to prevent a deadlock.  (Ordinarily, the group lock nests inside
 	   the bufferevent locks.  If we are unable to lock any individual
 	   bufferevent, it will find out later when it looks at its limit
-	   and sees that its group is suspended.
+	   and sees that its group is suspended.)
 	*/
-	TAILQ_FOREACH(bev, &g->members, rate_limiting->next_in_group) {
-		if (EVLOCK_TRY_LOCK(bev->lock)) {
-			bufferevent_suspend_read(&bev->bev,
+	LIST_FOREACH(bev, &g->members, rate_limiting->next_in_group) {
+		if (EVLOCK_TRY_LOCK_(bev->lock)) {
+			bufferevent_suspend_read_(&bev->bev,
 			    BEV_SUSPEND_BW_GROUP);
 			EVLOCK_UNLOCK(bev->lock, 0);
 		}
@@ -374,15 +372,15 @@
 
 /** Stop writing on every bufferevent in <b>g</b> */
 static int
-_bev_group_suspend_writing(struct bufferevent_rate_limit_group *g)
+bev_group_suspend_writing_(struct bufferevent_rate_limit_group *g)
 {
 	/* Needs group lock */
 	struct bufferevent_private *bev;
 	g->write_suspended = 1;
 	g->pending_unsuspend_write = 0;
-	TAILQ_FOREACH(bev, &g->members, rate_limiting->next_in_group) {
-		if (EVLOCK_TRY_LOCK(bev->lock)) {
-			bufferevent_suspend_write(&bev->bev,
+	LIST_FOREACH(bev, &g->members, rate_limiting->next_in_group) {
+		if (EVLOCK_TRY_LOCK_(bev->lock)) {
+			bufferevent_suspend_write_(&bev->bev,
 			    BEV_SUSPEND_BW_GROUP);
 			EVLOCK_UNLOCK(bev->lock, 0);
 		}
@@ -393,7 +391,7 @@
 /** Timer callback invoked on a single bufferevent with one or more exhausted
     buckets when they are ready to refill. */
 static void
-_bev_refill_callback(evutil_socket_t fd, short what, void *arg)
+bev_refill_callback_(evutil_socket_t fd, short what, void *arg)
 {
 	unsigned tick;
 	struct timeval now;
@@ -407,22 +405,22 @@
 
 	/* First, update the bucket */
 	event_base_gettimeofday_cached(bev->bev.ev_base, &now);
-	tick = ev_token_bucket_get_tick(&now,
+	tick = ev_token_bucket_get_tick_(&now,
 	    bev->rate_limiting->cfg);
-	ev_token_bucket_update(&bev->rate_limiting->limit,
+	ev_token_bucket_update_(&bev->rate_limiting->limit,
 	    bev->rate_limiting->cfg,
 	    tick);
 
 	/* Now unsuspend any read/write operations as appropriate. */
 	if ((bev->read_suspended & BEV_SUSPEND_BW)) {
 		if (bev->rate_limiting->limit.read_limit > 0)
-			bufferevent_unsuspend_read(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_read_(&bev->bev, BEV_SUSPEND_BW);
 		else
 			again = 1;
 	}
 	if ((bev->write_suspended & BEV_SUSPEND_BW)) {
 		if (bev->rate_limiting->limit.write_limit > 0)
-			bufferevent_unsuspend_write(&bev->bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_write_(&bev->bev, BEV_SUSPEND_BW);
 		else
 			again = 1;
 	}
@@ -440,9 +438,12 @@
 	BEV_UNLOCK(&bev->bev);
 }
 
-/** Helper: grab a random element from a bufferevent group. */
+/** Helper: grab a random element from a bufferevent group.
+ *
+ * Requires that we hold the lock on the group.
+ */
 static struct bufferevent_private *
-_bev_group_random_element(struct bufferevent_rate_limit_group *group)
+bev_group_random_element_(struct bufferevent_rate_limit_group *group)
 {
 	int which;
 	struct bufferevent_private *bev;
@@ -452,13 +453,13 @@
 	if (!group->n_members)
 		return NULL;
 
-	EVUTIL_ASSERT(! TAILQ_EMPTY(&group->members));
+	EVUTIL_ASSERT(! LIST_EMPTY(&group->members));
 
-	which = _evutil_weakrand() % group->n_members;
+	which = evutil_weakrand_range_(&group->weakrand_seed, group->n_members);
 
-	bev = TAILQ_FIRST(&group->members);
+	bev = LIST_FIRST(&group->members);
 	while (which--)
-		bev = TAILQ_NEXT(bev, rate_limiting->next_in_group);
+		bev = LIST_NEXT(bev, rate_limiting->next_in_group);
 
 	return bev;
 }
@@ -472,27 +473,27 @@
  */
 #define FOREACH_RANDOM_ORDER(block)			\
 	do {						\
-		first = _bev_group_random_element(g);	\
-		for (bev = first; bev != TAILQ_END(&g->members); \
-		    bev = TAILQ_NEXT(bev, rate_limiting->next_in_group)) { \
+		first = bev_group_random_element_(g);	\
+		for (bev = first; bev != LIST_END(&g->members); \
+		    bev = LIST_NEXT(bev, rate_limiting->next_in_group)) { \
 			block ;					 \
 		}						 \
-		for (bev = TAILQ_FIRST(&g->members); bev && bev != first; \
-		    bev = TAILQ_NEXT(bev, rate_limiting->next_in_group)) { \
+		for (bev = LIST_FIRST(&g->members); bev && bev != first; \
+		    bev = LIST_NEXT(bev, rate_limiting->next_in_group)) { \
 			block ;						\
 		}							\
 	} while (0)
 
 static void
-_bev_group_unsuspend_reading(struct bufferevent_rate_limit_group *g)
+bev_group_unsuspend_reading_(struct bufferevent_rate_limit_group *g)
 {
 	int again = 0;
 	struct bufferevent_private *bev, *first;
 
 	g->read_suspended = 0;
 	FOREACH_RANDOM_ORDER({
-		if (EVLOCK_TRY_LOCK(bev->lock)) {
-			bufferevent_unsuspend_read(&bev->bev,
+		if (EVLOCK_TRY_LOCK_(bev->lock)) {
+			bufferevent_unsuspend_read_(&bev->bev,
 			    BEV_SUSPEND_BW_GROUP);
 			EVLOCK_UNLOCK(bev->lock, 0);
 		} else {
@@ -503,15 +504,15 @@
 }
 
 static void
-_bev_group_unsuspend_writing(struct bufferevent_rate_limit_group *g)
+bev_group_unsuspend_writing_(struct bufferevent_rate_limit_group *g)
 {
 	int again = 0;
 	struct bufferevent_private *bev, *first;
 	g->write_suspended = 0;
 
 	FOREACH_RANDOM_ORDER({
-		if (EVLOCK_TRY_LOCK(bev->lock)) {
-			bufferevent_unsuspend_write(&bev->bev,
+		if (EVLOCK_TRY_LOCK_(bev->lock)) {
+			bufferevent_unsuspend_write_(&bev->bev,
 			    BEV_SUSPEND_BW_GROUP);
 			EVLOCK_UNLOCK(bev->lock, 0);
 		} else {
@@ -525,7 +526,7 @@
     and unsuspend group members as needed.
  */
 static void
-_bev_group_refill_callback(evutil_socket_t fd, short what, void *arg)
+bev_group_refill_callback_(evutil_socket_t fd, short what, void *arg)
 {
 	struct bufferevent_rate_limit_group *g = arg;
 	unsigned tick;
@@ -535,16 +536,16 @@
 
 	LOCK_GROUP(g);
 
-	tick = ev_token_bucket_get_tick(&now, &g->rate_limit_cfg);
-	ev_token_bucket_update(&g->rate_limit, &g->rate_limit_cfg, tick);
+	tick = ev_token_bucket_get_tick_(&now, &g->rate_limit_cfg);
+	ev_token_bucket_update_(&g->rate_limit, &g->rate_limit_cfg, tick);
 
 	if (g->pending_unsuspend_read ||
 	    (g->read_suspended && (g->rate_limit.read_limit >= g->min_share))) {
-		_bev_group_unsuspend_reading(g);
+		bev_group_unsuspend_reading_(g);
 	}
 	if (g->pending_unsuspend_write ||
 	    (g->write_suspended && (g->rate_limit.write_limit >= g->min_share))){
-		_bev_group_unsuspend_writing(g);
+		bev_group_unsuspend_writing_(g);
 	}
 
 	/* XXXX Rather than waiting to the next tick to unsuspend stuff
@@ -574,8 +575,8 @@
 		if (bevp->rate_limiting) {
 			rlim = bevp->rate_limiting;
 			rlim->cfg = NULL;
-			bufferevent_unsuspend_read(bev, BEV_SUSPEND_BW);
-			bufferevent_unsuspend_write(bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW);
+			bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW);
 			if (event_initialized(&rlim->refill_bucket_event))
 				event_del(&rlim->refill_bucket_event);
 		}
@@ -584,7 +585,7 @@
 	}
 
 	event_base_gettimeofday_cached(bev->ev_base, &now);
-	tick = ev_token_bucket_get_tick(&now, cfg);
+	tick = ev_token_bucket_get_tick_(&now, cfg);
 
 	if (bevp->rate_limiting && bevp->rate_limiting->cfg == cfg) {
 		/* no-op */
@@ -602,25 +603,25 @@
 	reinit = rlim->cfg != NULL;
 
 	rlim->cfg = cfg;
-	ev_token_bucket_init(&rlim->limit, cfg, tick, reinit);
+	ev_token_bucket_init_(&rlim->limit, cfg, tick, reinit);
 
 	if (reinit) {
 		EVUTIL_ASSERT(event_initialized(&rlim->refill_bucket_event));
 		event_del(&rlim->refill_bucket_event);
 	}
-	evtimer_assign(&rlim->refill_bucket_event, bev->ev_base,
-	    _bev_refill_callback, bevp);
+	event_assign(&rlim->refill_bucket_event, bev->ev_base,
+	    -1, EV_FINALIZE, bev_refill_callback_, bevp);
 
 	if (rlim->limit.read_limit > 0) {
-		bufferevent_unsuspend_read(bev, BEV_SUSPEND_BW);
+		bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW);
 	} else {
-		bufferevent_suspend_read(bev, BEV_SUSPEND_BW);
+		bufferevent_suspend_read_(bev, BEV_SUSPEND_BW);
 		suspended=1;
 	}
 	if (rlim->limit.write_limit > 0) {
-		bufferevent_unsuspend_write(bev, BEV_SUSPEND_BW);
+		bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW);
 	} else {
-		bufferevent_suspend_write(bev, BEV_SUSPEND_BW);
+		bufferevent_suspend_write_(bev, BEV_SUSPEND_BW);
 		suspended = 1;
 	}
 
@@ -643,18 +644,18 @@
 	ev_uint32_t tick;
 
 	event_base_gettimeofday_cached(base, &now);
-	tick = ev_token_bucket_get_tick(&now, cfg);
+	tick = ev_token_bucket_get_tick_(&now, cfg);
 
 	g = mm_calloc(1, sizeof(struct bufferevent_rate_limit_group));
 	if (!g)
 		return NULL;
 	memcpy(&g->rate_limit_cfg, cfg, sizeof(g->rate_limit_cfg));
-	TAILQ_INIT(&g->members);
+	LIST_INIT(&g->members);
 
-	ev_token_bucket_init(&g->rate_limit, cfg, tick, 0);
+	ev_token_bucket_init_(&g->rate_limit, cfg, tick, 0);
 
-	event_assign(&g->master_refill_event, base, -1, EV_PERSIST,
-	    _bev_group_refill_callback, g);
+	event_assign(&g->master_refill_event, base, -1, EV_PERSIST|EV_FINALIZE,
+	    bev_group_refill_callback_, g);
 	/*XXXX handle event_add failure */
 	event_add(&g->master_refill_event, &cfg->tick_timeout);
 
@@ -662,6 +663,9 @@
 
 	bufferevent_rate_limit_group_set_min_share(g, 64);
 
+	evutil_weakrand_seed_(&g->weakrand_seed,
+	    (ev_uint32_t) ((now.tv_sec + now.tv_usec) + (ev_intptr_t)g));
+
 	return g;
 }
 
@@ -744,8 +748,8 @@
 			BEV_UNLOCK(bev);
 			return -1;
 		}
-		evtimer_assign(&rlim->refill_bucket_event, bev->ev_base,
-		    _bev_refill_callback, bevp);
+		event_assign(&rlim->refill_bucket_event, bev->ev_base,
+		    -1, EV_FINALIZE, bev_refill_callback_, bevp);
 		bevp->rate_limiting = rlim;
 	}
 
@@ -759,7 +763,7 @@
 	LOCK_GROUP(g);
 	bevp->rate_limiting->group = g;
 	++g->n_members;
-	TAILQ_INSERT_TAIL(&g->members, bevp, rate_limiting->next_in_group);
+	LIST_INSERT_HEAD(&g->members, bevp, rate_limiting->next_in_group);
 
 	rsuspend = g->read_suspended;
 	wsuspend = g->write_suspended;
@@ -767,9 +771,9 @@
 	UNLOCK_GROUP(g);
 
 	if (rsuspend)
-		bufferevent_suspend_read(bev, BEV_SUSPEND_BW_GROUP);
+		bufferevent_suspend_read_(bev, BEV_SUSPEND_BW_GROUP);
 	if (wsuspend)
-		bufferevent_suspend_write(bev, BEV_SUSPEND_BW_GROUP);
+		bufferevent_suspend_write_(bev, BEV_SUSPEND_BW_GROUP);
 
 	BEV_UNLOCK(bev);
 	return 0;
@@ -778,11 +782,11 @@
 int
 bufferevent_remove_from_rate_limit_group(struct bufferevent *bev)
 {
-	return bufferevent_remove_from_rate_limit_group_internal(bev, 1);
+	return bufferevent_remove_from_rate_limit_group_internal_(bev, 1);
 }
 
 int
-bufferevent_remove_from_rate_limit_group_internal(struct bufferevent *bev,
+bufferevent_remove_from_rate_limit_group_internal_(struct bufferevent *bev,
     int unsuspend)
 {
 	struct bufferevent_private *bevp =
@@ -794,12 +798,12 @@
 		LOCK_GROUP(g);
 		bevp->rate_limiting->group = NULL;
 		--g->n_members;
-		TAILQ_REMOVE(&g->members, bevp, rate_limiting->next_in_group);
+		LIST_REMOVE(bevp, rate_limiting->next_in_group);
 		UNLOCK_GROUP(g);
 	}
 	if (unsuspend) {
-		bufferevent_unsuspend_read(bev, BEV_SUSPEND_BW_GROUP);
-		bufferevent_unsuspend_write(bev, BEV_SUSPEND_BW_GROUP);
+		bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW_GROUP);
+		bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW_GROUP);
 	}
 	BEV_UNLOCK(bev);
 	return 0;
@@ -813,7 +817,7 @@
  * === */
 
 /* Mostly you don't want to use this function from inside libevent;
- * _bufferevent_get_read_max() is more likely what you want*/
+ * bufferevent_get_read_max_() is more likely what you want*/
 ev_ssize_t
 bufferevent_get_read_limit(struct bufferevent *bev)
 {
@@ -832,7 +836,7 @@
 }
 
 /* Mostly you don't want to use this function from inside libevent;
- * _bufferevent_get_write_max() is more likely what you want*/
+ * bufferevent_get_write_max_() is more likely what you want*/
 ev_ssize_t
 bufferevent_get_write_limit(struct bufferevent *bev)
 {
@@ -850,12 +854,62 @@
 	return r;
 }
 
+int
+bufferevent_set_max_single_read(struct bufferevent *bev, size_t size)
+{
+	struct bufferevent_private *bevp;
+	BEV_LOCK(bev);
+	bevp = BEV_UPCAST(bev);
+	if (size == 0 || size > EV_SSIZE_MAX)
+		bevp->max_single_read = MAX_SINGLE_READ_DEFAULT;
+	else
+		bevp->max_single_read = size;
+	BEV_UNLOCK(bev);
+	return 0;
+}
+
+int
+bufferevent_set_max_single_write(struct bufferevent *bev, size_t size)
+{
+	struct bufferevent_private *bevp;
+	BEV_LOCK(bev);
+	bevp = BEV_UPCAST(bev);
+	if (size == 0 || size > EV_SSIZE_MAX)
+		bevp->max_single_write = MAX_SINGLE_WRITE_DEFAULT;
+	else
+		bevp->max_single_write = size;
+	BEV_UNLOCK(bev);
+	return 0;
+}
+
+ev_ssize_t
+bufferevent_get_max_single_read(struct bufferevent *bev)
+{
+	ev_ssize_t r;
+
+	BEV_LOCK(bev);
+	r = BEV_UPCAST(bev)->max_single_read;
+	BEV_UNLOCK(bev);
+	return r;
+}
+
+ev_ssize_t
+bufferevent_get_max_single_write(struct bufferevent *bev)
+{
+	ev_ssize_t r;
+
+	BEV_LOCK(bev);
+	r = BEV_UPCAST(bev)->max_single_write;
+	BEV_UNLOCK(bev);
+	return r;
+}
+
 ev_ssize_t
 bufferevent_get_max_to_read(struct bufferevent *bev)
 {
 	ev_ssize_t r;
 	BEV_LOCK(bev);
-	r = _bufferevent_get_read_max(BEV_UPCAST(bev));
+	r = bufferevent_get_read_max_(BEV_UPCAST(bev));
 	BEV_UNLOCK(bev);
 	return r;
 }
@@ -865,14 +919,31 @@
 {
 	ev_ssize_t r;
 	BEV_LOCK(bev);
-	r = _bufferevent_get_write_max(BEV_UPCAST(bev));
+	r = bufferevent_get_write_max_(BEV_UPCAST(bev));
 	BEV_UNLOCK(bev);
 	return r;
 }
 
+const struct ev_token_bucket_cfg *
+bufferevent_get_token_bucket_cfg(const struct bufferevent *bev) {
+	struct bufferevent_private *bufev_private = BEV_UPCAST(bev);
+	struct ev_token_bucket_cfg *cfg;
+
+	BEV_LOCK(bev);
+
+	if (bufev_private->rate_limiting) {
+		cfg = bufev_private->rate_limiting->cfg;
+	} else {
+		cfg = NULL;
+	}
+
+	BEV_UNLOCK(bev);
+
+	return cfg;
+}
 
 /* Mostly you don't want to use this function from inside libevent;
- * _bufferevent_get_read_max() is more likely what you want*/
+ * bufferevent_get_read_max_() is more likely what you want*/
 ev_ssize_t
 bufferevent_rate_limit_group_get_read_limit(
 	struct bufferevent_rate_limit_group *grp)
@@ -885,7 +956,7 @@
 }
 
 /* Mostly you don't want to use this function from inside libevent;
- * _bufferevent_get_write_max() is more likely what you want. */
+ * bufferevent_get_write_max_() is more likely what you want. */
 ev_ssize_t
 bufferevent_rate_limit_group_get_write_limit(
 	struct bufferevent_rate_limit_group *grp)
@@ -910,14 +981,14 @@
 
 	new_limit = (bevp->rate_limiting->limit.read_limit -= decr);
 	if (old_limit > 0 && new_limit <= 0) {
-		bufferevent_suspend_read(bev, BEV_SUSPEND_BW);
+		bufferevent_suspend_read_(bev, BEV_SUSPEND_BW);
 		if (event_add(&bevp->rate_limiting->refill_bucket_event,
 			&bevp->rate_limiting->cfg->tick_timeout) < 0)
 			r = -1;
 	} else if (old_limit <= 0 && new_limit > 0) {
 		if (!(bevp->write_suspended & BEV_SUSPEND_BW))
 			event_del(&bevp->rate_limiting->refill_bucket_event);
-		bufferevent_unsuspend_read(bev, BEV_SUSPEND_BW);
+		bufferevent_unsuspend_read_(bev, BEV_SUSPEND_BW);
 	}
 
 	BEV_UNLOCK(bev);
@@ -939,14 +1010,14 @@
 
 	new_limit = (bevp->rate_limiting->limit.write_limit -= decr);
 	if (old_limit > 0 && new_limit <= 0) {
-		bufferevent_suspend_write(bev, BEV_SUSPEND_BW);
+		bufferevent_suspend_write_(bev, BEV_SUSPEND_BW);
 		if (event_add(&bevp->rate_limiting->refill_bucket_event,
 			&bevp->rate_limiting->cfg->tick_timeout) < 0)
 			r = -1;
 	} else if (old_limit <= 0 && new_limit > 0) {
 		if (!(bevp->read_suspended & BEV_SUSPEND_BW))
 			event_del(&bevp->rate_limiting->refill_bucket_event);
-		bufferevent_unsuspend_write(bev, BEV_SUSPEND_BW);
+		bufferevent_unsuspend_write_(bev, BEV_SUSPEND_BW);
 	}
 
 	BEV_UNLOCK(bev);
@@ -964,9 +1035,9 @@
 	new_limit = (grp->rate_limit.read_limit -= decr);
 
 	if (old_limit > 0 && new_limit <= 0) {
-		_bev_group_suspend_reading(grp);
+		bev_group_suspend_reading_(grp);
 	} else if (old_limit <= 0 && new_limit > 0) {
-		_bev_group_unsuspend_reading(grp);
+		bev_group_unsuspend_reading_(grp);
 	}
 
 	UNLOCK_GROUP(grp);
@@ -984,9 +1055,9 @@
 	new_limit = (grp->rate_limit.write_limit -= decr);
 
 	if (old_limit > 0 && new_limit <= 0) {
-		_bev_group_suspend_writing(grp);
+		bev_group_suspend_writing_(grp);
 	} else if (old_limit <= 0 && new_limit > 0) {
-		_bev_group_unsuspend_writing(grp);
+		bev_group_unsuspend_writing_(grp);
 	}
 
 	UNLOCK_GROUP(grp);
@@ -1009,3 +1080,13 @@
 {
 	grp->total_read = grp->total_written = 0;
 }
+
+int
+bufferevent_ratelim_init_(struct bufferevent_private *bev)
+{
+	bev->rate_limiting = NULL;
+	bev->max_single_read = MAX_SINGLE_READ_DEFAULT;
+	bev->max_single_write = MAX_SINGLE_WRITE_DEFAULT;
+
+	return 0;
+}
diff --git a/bufferevent_sock.c b/bufferevent_sock.c
index 9b0caf2..93aedb3 100644
--- a/bufferevent_sock.c
+++ b/bufferevent_sock.c
@@ -26,11 +26,12 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <sys/types.h>
 
-#include "event2/event-config.h"
-
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -38,25 +39,25 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_STDARG_H
+#ifdef EVENT__HAVE_STDARG_H
 #include <stdarg.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef _EVENT_HAVE_NETINET_IN_H
+#ifdef EVENT__HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
-#ifdef _EVENT_HAVE_NETINET_IN6_H
+#ifdef EVENT__HAVE_NETINET_IN6_H
 #include <netinet/in6.h>
 #endif
 
@@ -70,7 +71,7 @@
 #include "mm-internal.h"
 #include "bufferevent-internal.h"
 #include "util-internal.h"
-#ifdef WIN32
+#ifdef _WIN32
 #include "iocp-internal.h"
 #endif
 
@@ -78,7 +79,6 @@
 static int be_socket_enable(struct bufferevent *, short);
 static int be_socket_disable(struct bufferevent *, short);
 static void be_socket_destruct(struct bufferevent *);
-static int be_socket_adj_timeouts(struct bufferevent *);
 static int be_socket_flush(struct bufferevent *, short, enum bufferevent_flush_mode);
 static int be_socket_ctrl(struct bufferevent *, enum bufferevent_ctrl_op, union bufferevent_ctrl_data *);
 
@@ -89,14 +89,37 @@
 	evutil_offsetof(struct bufferevent_private, bev),
 	be_socket_enable,
 	be_socket_disable,
+	NULL, /* unlink */
 	be_socket_destruct,
-	be_socket_adj_timeouts,
+	bufferevent_generic_adj_existing_timeouts_,
 	be_socket_flush,
 	be_socket_ctrl,
 };
 
-#define be_socket_add(ev, t)			\
-	_bufferevent_add_event((ev), (t))
+const struct sockaddr*
+bufferevent_socket_get_conn_address_(struct bufferevent *bev)
+{
+	struct bufferevent_private *bev_p =
+	    EVUTIL_UPCAST(bev, struct bufferevent_private, bev);
+
+	return (struct sockaddr *)&bev_p->conn_address;
+}
+static void
+bufferevent_socket_set_conn_address_fd(struct bufferevent_private *bev_p, int fd)
+{
+	socklen_t len = sizeof(bev_p->conn_address);
+
+	struct sockaddr *addr = (struct sockaddr *)&bev_p->conn_address;
+	if (addr->sa_family != AF_UNSPEC)
+		getpeername(fd, addr, &len);
+}
+static void
+bufferevent_socket_set_conn_address(struct bufferevent_private *bev_p,
+	struct sockaddr *addr, size_t addrlen)
+{
+	EVUTIL_ASSERT(addrlen <= sizeof(bev_p->conn_address));
+	memcpy(&bev_p->conn_address, addr, addrlen);
+}
 
 static void
 bufferevent_socket_outbuf_cb(struct evbuffer *buf,
@@ -113,7 +136,7 @@
 	    !bufev_p->write_suspended) {
 		/* Somebody added data to the buffer, and we would like to
 		 * write, and we were not writing.  So, start writing. */
-		if (be_socket_add(&bufev->ev_write, &bufev->timeout_write) == -1) {
+		if (bufferevent_add_event_(&bufev->ev_write, &bufev->timeout_write) == -1) {
 		    /* Should we log this? */
 		}
 	}
@@ -130,7 +153,7 @@
 	short what = BEV_EVENT_READING;
 	ev_ssize_t howmuch = -1, readmax=-1;
 
-	_bufferevent_incref_and_lock(bufev);
+	bufferevent_incref_and_lock_(bufev);
 
 	if (event == EV_TIMEOUT) {
 		/* Note that we only check for event==EV_TIMEOUT. If
@@ -154,7 +177,7 @@
 			goto done;
 		}
 	}
-	readmax = _bufferevent_get_read_max(bufev_p);
+	readmax = bufferevent_get_read_max_(bufev_p);
 	if (howmuch < 0 || howmuch > readmax) /* The use of -1 for "unlimited"
 					       * uglifies this code. XXXX */
 		howmuch = readmax;
@@ -169,6 +192,10 @@
 		int err = evutil_socket_geterror(fd);
 		if (EVUTIL_ERR_RW_RETRIABLE(err))
 			goto reschedule;
+		if (EVUTIL_ERR_CONNECT_REFUSED(err)) {
+			bufev_p->connection_refused = 1;
+			goto done;
+		}
 		/* error case */
 		what |= BEV_EVENT_ERROR;
 	} else if (res == 0) {
@@ -179,11 +206,10 @@
 	if (res <= 0)
 		goto error;
 
-	_bufferevent_decrement_read_buckets(bufev_p, res);
+	bufferevent_decrement_read_buckets_(bufev_p, res);
 
 	/* Invoke the user callback - must always be called last */
-	if (evbuffer_get_length(input) >= bufev->wm_read.low)
-		_bufferevent_run_readcb(bufev);
+	bufferevent_trigger_nolock_(bufev, EV_READ, 0);
 
 	goto done;
 
@@ -192,10 +218,10 @@
 
  error:
 	bufferevent_disable(bufev, EV_READ);
-	_bufferevent_run_eventcb(bufev, what);
+	bufferevent_run_eventcb_(bufev, what, 0);
 
  done:
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 }
 
 static void
@@ -209,7 +235,7 @@
 	int connected = 0;
 	ev_ssize_t atmost = -1;
 
-	_bufferevent_incref_and_lock(bufev);
+	bufferevent_incref_and_lock_(bufev);
 
 	if (event == EV_TIMEOUT) {
 		/* Note that we only check for event==EV_TIMEOUT. If
@@ -219,12 +245,12 @@
 		goto error;
 	}
 	if (bufev_p->connecting) {
-		int c = evutil_socket_finished_connecting(fd);
+		int c = evutil_socket_finished_connecting_(fd);
 		/* we need to fake the error if the connection was refused
 		 * immediately - usually connection to localhost on BSD */
 		if (bufev_p->connection_refused) {
-		  bufev_p->connection_refused = 0;
-		  c = -1;
+			bufev_p->connection_refused = 0;
+			c = -1;
 		}
 
 		if (c == 0)
@@ -234,21 +260,22 @@
 		if (c < 0) {
 			event_del(&bufev->ev_write);
 			event_del(&bufev->ev_read);
-			_bufferevent_run_eventcb(bufev, BEV_EVENT_ERROR);
+			bufferevent_run_eventcb_(bufev, BEV_EVENT_ERROR, 0);
 			goto done;
 		} else {
 			connected = 1;
-#ifdef WIN32
+			bufferevent_socket_set_conn_address_fd(bufev_p, fd);
+#ifdef _WIN32
 			if (BEV_IS_ASYNC(bufev)) {
 				event_del(&bufev->ev_write);
-				bufferevent_async_set_connected(bufev);
-				_bufferevent_run_eventcb(bufev,
-						BEV_EVENT_CONNECTED);
+				bufferevent_async_set_connected_(bufev);
+				bufferevent_run_eventcb_(bufev,
+						BEV_EVENT_CONNECTED, 0);
 				goto done;
 			}
 #endif
-			_bufferevent_run_eventcb(bufev,
-					BEV_EVENT_CONNECTED);
+			bufferevent_run_eventcb_(bufev,
+					BEV_EVENT_CONNECTED, 0);
 			if (!(bufev->enabled & EV_WRITE) ||
 			    bufev_p->write_suspended) {
 				event_del(&bufev->ev_write);
@@ -257,7 +284,7 @@
 		}
 	}
 
-	atmost = _bufferevent_get_write_max(bufev_p);
+	atmost = bufferevent_get_write_max_(bufev_p);
 
 	if (bufev_p->write_suspended)
 		goto done;
@@ -281,7 +308,7 @@
 		if (res <= 0)
 			goto error;
 
-		_bufferevent_decrement_write_buckets(bufev_p, res);
+		bufferevent_decrement_write_buckets_(bufev_p, res);
 	}
 
 	if (evbuffer_get_length(bufev->output) == 0) {
@@ -292,9 +319,8 @@
 	 * Invoke the user callback if our buffer is drained or below the
 	 * low watermark.
 	 */
-	if ((res || !connected) &&
-	    evbuffer_get_length(bufev->output) <= bufev->wm_write.low) {
-		_bufferevent_run_writecb(bufev);
+	if (res || !connected) {
+		bufferevent_trigger_nolock_(bufev, EV_WRITE, 0);
 	}
 
 	goto done;
@@ -307,10 +333,10 @@
 
  error:
 	bufferevent_disable(bufev, EV_WRITE);
-	_bufferevent_run_eventcb(bufev, what);
+	bufferevent_run_eventcb_(bufev, what, 0);
 
  done:
-	_bufferevent_decref_and_unlock(bufev);
+	bufferevent_decref_and_unlock_(bufev);
 }
 
 struct bufferevent *
@@ -320,15 +346,15 @@
 	struct bufferevent_private *bufev_p;
 	struct bufferevent *bufev;
 
-#ifdef WIN32
-	if (base && event_base_get_iocp(base))
-		return bufferevent_async_new(base, fd, options);
+#ifdef _WIN32
+	if (base && event_base_get_iocp_(base))
+		return bufferevent_async_new_(base, fd, options);
 #endif
 
 	if ((bufev_p = mm_calloc(1, sizeof(struct bufferevent_private)))== NULL)
 		return NULL;
 
-	if (bufferevent_init_common(bufev_p, base, &bufferevent_ops_socket,
+	if (bufferevent_init_common_(bufev_p, base, &bufferevent_ops_socket,
 				    options) < 0) {
 		mm_free(bufev_p);
 		return NULL;
@@ -337,9 +363,9 @@
 	evbuffer_set_flags(bufev->output, EVBUFFER_FLAG_DRAINS_TO_FD);
 
 	event_assign(&bufev->ev_read, bufev->ev_base, fd,
-	    EV_READ|EV_PERSIST, bufferevent_readcb, bufev);
+	    EV_READ|EV_PERSIST|EV_FINALIZE, bufferevent_readcb, bufev);
 	event_assign(&bufev->ev_write, bufev->ev_base, fd,
-	    EV_WRITE|EV_PERSIST, bufferevent_writecb, bufev);
+	    EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bufev);
 
 	evbuffer_add_cb(bufev->output, bufferevent_socket_outbuf_cb, bufev);
 
@@ -351,7 +377,7 @@
 
 int
 bufferevent_socket_connect(struct bufferevent *bev,
-    struct sockaddr *sa, int socklen)
+    const struct sockaddr *sa, int socklen)
 {
 	struct bufferevent_private *bufev_p =
 	    EVUTIL_UPCAST(bev, struct bufferevent_private, bev);
@@ -361,7 +387,7 @@
 	int result=-1;
 	int ownfd = 0;
 
-	_bufferevent_incref_and_lock(bev);
+	bufferevent_incref_and_lock_(bev);
 
 	if (!bufev_p)
 		goto done;
@@ -370,18 +396,17 @@
 	if (fd < 0) {
 		if (!sa)
 			goto done;
-		fd = socket(sa->sa_family, SOCK_STREAM, 0);
+		fd = evutil_socket_(sa->sa_family,
+		    SOCK_STREAM|EVUTIL_SOCK_NONBLOCK, 0);
 		if (fd < 0)
 			goto done;
-		if (evutil_make_socket_nonblocking(fd)<0)
-			goto done;
 		ownfd = 1;
 	}
 	if (sa) {
-#ifdef WIN32
-		if (bufferevent_async_can_connect(bev)) {
+#ifdef _WIN32
+		if (bufferevent_async_can_connect_(bev)) {
 			bufferevent_setfd(bev, fd);
-			r = bufferevent_async_connect(bev, fd, sa, socklen);
+			r = bufferevent_async_connect_(bev, fd, sa, socklen);
 			if (r < 0)
 				goto freesock;
 			bufev_p->connecting = 1;
@@ -389,17 +414,17 @@
 			goto done;
 		} else
 #endif
-		r = evutil_socket_connect(&fd, sa, socklen);
+		r = evutil_socket_connect_(&fd, sa, socklen);
 		if (r < 0)
 			goto freesock;
 	}
-#ifdef WIN32
+#ifdef _WIN32
 	/* ConnectEx() isn't always around, even when IOCP is enabled.
 	 * Here, we borrow the socket object's write handler to fall back
 	 * on a non-blocking connect() when ConnectEx() is unavailable. */
 	if (BEV_IS_ASYNC(bev)) {
 		event_assign(&bev->ev_write, bev->ev_base, fd,
-		    EV_WRITE|EV_PERSIST, bufferevent_writecb, bev);
+		    EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bev);
 	}
 #endif
 	bufferevent_setfd(bev, fd);
@@ -413,24 +438,23 @@
 		/* The connect succeeded already. How very BSD of it. */
 		result = 0;
 		bufev_p->connecting = 1;
-		event_active(&bev->ev_write, EV_WRITE, 1);
+		bufferevent_trigger_nolock_(bev, EV_WRITE, BEV_OPT_DEFER_CALLBACKS);
 	} else {
 		/* The connect failed already.  How very BSD of it. */
-		bufev_p->connection_refused = 1;
-		bufev_p->connecting = 1;
 		result = 0;
-		event_active(&bev->ev_write, EV_WRITE, 1);
+		bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, BEV_OPT_DEFER_CALLBACKS);
+		bufferevent_disable(bev, EV_WRITE|EV_READ);
 	}
 
 	goto done;
 
 freesock:
-	_bufferevent_run_eventcb(bev, BEV_EVENT_ERROR);
+	bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0);
 	if (ownfd)
 		evutil_closesocket(fd);
 	/* do something about the error? */
 done:
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 	return result;
 }
 
@@ -444,13 +468,20 @@
 	int r;
 	BEV_LOCK(bev);
 
-	bufferevent_unsuspend_write(bev, BEV_SUSPEND_LOOKUP);
-	bufferevent_unsuspend_read(bev, BEV_SUSPEND_LOOKUP);
+	bufferevent_unsuspend_write_(bev, BEV_SUSPEND_LOOKUP);
+	bufferevent_unsuspend_read_(bev, BEV_SUSPEND_LOOKUP);
 
+	bev_p->dns_request = NULL;
+
+	if (result == EVUTIL_EAI_CANCEL) {
+		bev_p->dns_error = result;
+		bufferevent_decref_and_unlock_(bev);
+		return;
+	}
 	if (result != 0) {
 		bev_p->dns_error = result;
-		_bufferevent_run_eventcb(bev, BEV_EVENT_ERROR);
-		_bufferevent_decref_and_unlock(bev);
+		bufferevent_run_eventcb_(bev, BEV_EVENT_ERROR, 0);
+		bufferevent_decref_and_unlock_(bev);
 		if (ai)
 			evutil_freeaddrinfo(ai);
 		return;
@@ -458,9 +489,10 @@
 
 	/* XXX use the other addrinfos? */
 	/* XXX use this return value */
+	bufferevent_socket_set_conn_address(bev_p, ai->ai_addr, (int)ai->ai_addrlen);
 	r = bufferevent_socket_connect(bev, ai->ai_addr, (int)ai->ai_addrlen);
 	(void)r;
-	_bufferevent_decref_and_unlock(bev);
+	bufferevent_decref_and_unlock_(bev);
 	evutil_freeaddrinfo(ai);
 }
 
@@ -470,7 +502,6 @@
 {
 	char portbuf[10];
 	struct evutil_addrinfo hint;
-	int err;
 	struct bufferevent_private *bev_p =
 	    EVUTIL_UPCAST(bev, struct bufferevent_private, bev);
 
@@ -479,31 +510,25 @@
 	if (port < 1 || port > 65535)
 		return -1;
 
-	BEV_LOCK(bev);
-	bev_p->dns_error = 0;
-	BEV_UNLOCK(bev);
-
-	evutil_snprintf(portbuf, sizeof(portbuf), "%d", port);
-
 	memset(&hint, 0, sizeof(hint));
 	hint.ai_family = family;
 	hint.ai_protocol = IPPROTO_TCP;
 	hint.ai_socktype = SOCK_STREAM;
 
-	bufferevent_suspend_write(bev, BEV_SUSPEND_LOOKUP);
-	bufferevent_suspend_read(bev, BEV_SUSPEND_LOOKUP);
+	evutil_snprintf(portbuf, sizeof(portbuf), "%d", port);
 
-	bufferevent_incref(bev);
-	err = evutil_getaddrinfo_async(evdns_base, hostname, portbuf,
-	    &hint, bufferevent_connect_getaddrinfo_cb, bev);
+	BEV_LOCK(bev);
+	bev_p->dns_error = 0;
 
-	if (err == 0) {
-		return 0;
-	} else {
-		bufferevent_unsuspend_write(bev, BEV_SUSPEND_LOOKUP);
-		bufferevent_unsuspend_read(bev, BEV_SUSPEND_LOOKUP);
-		return -1;
-	}
+	bufferevent_suspend_write_(bev, BEV_SUSPEND_LOOKUP);
+	bufferevent_suspend_read_(bev, BEV_SUSPEND_LOOKUP);
+
+	bufferevent_incref_(bev);
+	bev_p->dns_request = evutil_getaddrinfo_async_(evdns_base, hostname,
+	    portbuf, &hint, bufferevent_connect_getaddrinfo_cb, bev);
+	BEV_UNLOCK(bev);
+
+	return 0;
 }
 
 int
@@ -550,14 +575,12 @@
 static int
 be_socket_enable(struct bufferevent *bufev, short event)
 {
-	if (event & EV_READ) {
-		if (be_socket_add(&bufev->ev_read,&bufev->timeout_read) == -1)
+	if (event & EV_READ &&
+	    bufferevent_add_event_(&bufev->ev_read, &bufev->timeout_read) == -1)
 			return -1;
-	}
-	if (event & EV_WRITE) {
-		if (be_socket_add(&bufev->ev_write,&bufev->timeout_write) == -1)
+	if (event & EV_WRITE &&
+	    bufferevent_add_event_(&bufev->ev_write, &bufev->timeout_write) == -1)
 			return -1;
-	}
 	return 0;
 }
 
@@ -588,25 +611,10 @@
 
 	fd = event_get_fd(&bufev->ev_read);
 
-	event_del(&bufev->ev_read);
-	event_del(&bufev->ev_write);
-
 	if ((bufev_p->options & BEV_OPT_CLOSE_ON_FREE) && fd >= 0)
 		EVUTIL_CLOSESOCKET(fd);
-}
 
-static int
-be_socket_adj_timeouts(struct bufferevent *bufev)
-{
-	int r = 0;
-	if (event_pending(&bufev->ev_read, EV_READ, NULL))
-		if (be_socket_add(&bufev->ev_read, &bufev->timeout_read) < 0)
-			r = -1;
-	if (event_pending(&bufev->ev_write, EV_WRITE, NULL)) {
-		if (be_socket_add(&bufev->ev_write, &bufev->timeout_write) < 0)
-			r = -1;
-	}
-	return r;
+	evutil_getaddrinfo_cancel_async_(bufev_p->dns_request);
 }
 
 static int
@@ -620,20 +628,28 @@
 static void
 be_socket_setfd(struct bufferevent *bufev, evutil_socket_t fd)
 {
+	struct bufferevent_private *bufev_p =
+	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
+
 	BEV_LOCK(bufev);
 	EVUTIL_ASSERT(bufev->be_ops == &bufferevent_ops_socket);
 
 	event_del(&bufev->ev_read);
 	event_del(&bufev->ev_write);
 
+	evbuffer_unfreeze(bufev->input, 0);
+	evbuffer_unfreeze(bufev->output, 1);
+
 	event_assign(&bufev->ev_read, bufev->ev_base, fd,
-	    EV_READ|EV_PERSIST, bufferevent_readcb, bufev);
+	    EV_READ|EV_PERSIST|EV_FINALIZE, bufferevent_readcb, bufev);
 	event_assign(&bufev->ev_write, bufev->ev_base, fd,
-	    EV_WRITE|EV_PERSIST, bufferevent_writecb, bufev);
+	    EV_WRITE|EV_PERSIST|EV_FINALIZE, bufferevent_writecb, bufev);
 
 	if (fd >= 0)
 		bufferevent_enable(bufev, bufev->enabled);
 
+	evutil_getaddrinfo_cancel_async_(bufev_p->dns_request);
+
 	BEV_UNLOCK(bufev);
 }
 
@@ -642,6 +658,8 @@
 bufferevent_priority_set(struct bufferevent *bufev, int priority)
 {
 	int r = -1;
+	struct bufferevent_private *bufev_p =
+	    EVUTIL_UPCAST(bufev, struct bufferevent_private, bev);
 
 	BEV_LOCK(bufev);
 	if (bufev->be_ops != &bufferevent_ops_socket)
@@ -652,6 +670,8 @@
 	if (event_priority_set(&bufev->ev_write, priority) == -1)
 		goto done;
 
+	event_deferred_cb_set_priority_(&bufev_p->deferred, priority);
+
 	r = 0;
 done:
 	BEV_UNLOCK(bufev);
diff --git a/changelist-internal.h b/changelist-internal.h
index 6ed432a..98fc52a 100644
--- a/changelist-internal.h
+++ b/changelist-internal.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _CHANGELIST_H_
-#define _CHANGELIST_H_
+#ifndef CHANGELIST_INTERNAL_H_INCLUDED_
+#define CHANGELIST_INTERNAL_H_INCLUDED_
 
 /*
   A "changelist" is a list of all the fd status changes that should be made
@@ -62,6 +62,7 @@
 	 * and write_change is unused. */
 	ev_uint8_t read_change;
 	ev_uint8_t write_change;
+	ev_uint8_t close_change;
 };
 
 /* Flags for read_change and write_change. */
@@ -82,20 +83,20 @@
 #define EVENT_CHANGELIST_FDINFO_SIZE sizeof(int)
 
 /** Set up the data fields in a changelist. */
-void event_changelist_init(struct event_changelist *changelist);
+void event_changelist_init_(struct event_changelist *changelist);
 /** Remove every change in the changelist, and make corresponding changes
  * in the event maps in the base.  This function is generally used right
  * after making all the changes in the changelist. */
-void event_changelist_remove_all(struct event_changelist *changelist,
+void event_changelist_remove_all_(struct event_changelist *changelist,
     struct event_base *base);
 /** Free all memory held in a changelist. */
-void event_changelist_freemem(struct event_changelist *changelist);
+void event_changelist_freemem_(struct event_changelist *changelist);
 
 /** Implementation of eventop_add that queues the event in a changelist. */
-int event_changelist_add(struct event_base *base, evutil_socket_t fd, short old, short events,
+int event_changelist_add_(struct event_base *base, evutil_socket_t fd, short old, short events,
     void *p);
 /** Implementation of eventop_del that queues the event in a changelist. */
-int event_changelist_del(struct event_base *base, evutil_socket_t fd, short old, short events,
+int event_changelist_del_(struct event_base *base, evutil_socket_t fd, short old, short events,
     void *p);
 
 #endif
diff --git a/compat/sys/queue.h b/compat/sys/queue.h
new file mode 100644
index 0000000..c387bdc
--- /dev/null
+++ b/compat/sys/queue.h
@@ -0,0 +1,488 @@
+/*	$OpenBSD: queue.h,v 1.16 2000/09/07 19:47:59 art Exp $	*/
+/*	$NetBSD: queue.h,v 1.11 1996/05/16 05:17:14 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)queue.h	8.5 (Berkeley) 8/20/94
+ */
+
+#ifndef	SYS_QUEUE_H__
+#define	SYS_QUEUE_H__
+
+/*
+ * This file defines five types of data structures: singly-linked lists,
+ * lists, simple queues, tail queues, and circular queues.
+ *
+ *
+ * A singly-linked list is headed by a single forward pointer. The elements
+ * are singly linked for minimum space and pointer manipulation overhead at
+ * the expense of O(n) removal for arbitrary elements. New elements can be
+ * added to the list after an existing element or at the head of the list.
+ * Elements being removed from the head of the list should use the explicit
+ * macro for this purpose for optimum efficiency. A singly-linked list may
+ * only be traversed in the forward direction.  Singly-linked lists are ideal
+ * for applications with large datasets and few or no removals or for
+ * implementing a LIFO queue.
+ *
+ * A list is headed by a single forward pointer (or an array of forward
+ * pointers for a hash table header). The elements are doubly linked
+ * so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before
+ * or after an existing element or at the head of the list. A list
+ * may only be traversed in the forward direction.
+ *
+ * A simple queue is headed by a pair of pointers, one the head of the
+ * list and the other to the tail of the list. The elements are singly
+ * linked to save space, so elements can only be removed from the
+ * head of the list. New elements can be added to the list before or after
+ * an existing element, at the head of the list, or at the end of the
+ * list. A simple queue may only be traversed in the forward direction.
+ *
+ * A tail queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before or
+ * after an existing element, at the head of the list, or at the end of
+ * the list. A tail queue may be traversed in either direction.
+ *
+ * A circle queue is headed by a pair of pointers, one to the head of the
+ * list and the other to the tail of the list. The elements are doubly
+ * linked so that an arbitrary element can be removed without a need to
+ * traverse the list. New elements can be added to the list before or after
+ * an existing element, at the head of the list, or at the end of the list.
+ * A circle queue may be traversed in either direction, but has a more
+ * complex end of list detection.
+ *
+ * For details on the use of these macros, see the queue(3) manual page.
+ */
+
+/*
+ * Singly-linked List definitions.
+ */
+#define SLIST_HEAD(name, type)						\
+struct name {								\
+	struct type *slh_first;	/* first element */			\
+}
+
+#define	SLIST_HEAD_INITIALIZER(head)					\
+	{ NULL }
+
+#ifndef _WIN32
+#define SLIST_ENTRY(type)						\
+struct {								\
+	struct type *sle_next;	/* next element */			\
+}
+#endif
+
+/*
+ * Singly-linked List access methods.
+ */
+#define	SLIST_FIRST(head)	((head)->slh_first)
+#define	SLIST_END(head)		NULL
+#define	SLIST_EMPTY(head)	(SLIST_FIRST(head) == SLIST_END(head))
+#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
+
+#define	SLIST_FOREACH(var, head, field)					\
+	for((var) = SLIST_FIRST(head);					\
+	    (var) != SLIST_END(head);					\
+	    (var) = SLIST_NEXT(var, field))
+
+/*
+ * Singly-linked List functions.
+ */
+#define	SLIST_INIT(head) {						\
+	SLIST_FIRST(head) = SLIST_END(head);				\
+}
+
+#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
+	(elm)->field.sle_next = (slistelm)->field.sle_next;		\
+	(slistelm)->field.sle_next = (elm);				\
+} while (0)
+
+#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
+	(elm)->field.sle_next = (head)->slh_first;			\
+	(head)->slh_first = (elm);					\
+} while (0)
+
+#define	SLIST_REMOVE_HEAD(head, field) do {				\
+	(head)->slh_first = (head)->slh_first->field.sle_next;		\
+} while (0)
+
+/*
+ * List definitions.
+ */
+#define LIST_HEAD(name, type)						\
+struct name {								\
+	struct type *lh_first;	/* first element */			\
+}
+
+#define LIST_HEAD_INITIALIZER(head)					\
+	{ NULL }
+
+#define LIST_ENTRY(type)						\
+struct {								\
+	struct type *le_next;	/* next element */			\
+	struct type **le_prev;	/* address of previous next element */	\
+}
+
+/*
+ * List access methods
+ */
+#define	LIST_FIRST(head)		((head)->lh_first)
+#define	LIST_END(head)			NULL
+#define	LIST_EMPTY(head)		(LIST_FIRST(head) == LIST_END(head))
+#define	LIST_NEXT(elm, field)		((elm)->field.le_next)
+
+#define LIST_FOREACH(var, head, field)					\
+	for((var) = LIST_FIRST(head);					\
+	    (var)!= LIST_END(head);					\
+	    (var) = LIST_NEXT(var, field))
+
+/*
+ * List functions.
+ */
+#define	LIST_INIT(head) do {						\
+	LIST_FIRST(head) = LIST_END(head);				\
+} while (0)
+
+#define LIST_INSERT_AFTER(listelm, elm, field) do {			\
+	if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)	\
+		(listelm)->field.le_next->field.le_prev =		\
+		    &(elm)->field.le_next;				\
+	(listelm)->field.le_next = (elm);				\
+	(elm)->field.le_prev = &(listelm)->field.le_next;		\
+} while (0)
+
+#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\
+	(elm)->field.le_prev = (listelm)->field.le_prev;		\
+	(elm)->field.le_next = (listelm);				\
+	*(listelm)->field.le_prev = (elm);				\
+	(listelm)->field.le_prev = &(elm)->field.le_next;		\
+} while (0)
+
+#define LIST_INSERT_HEAD(head, elm, field) do {				\
+	if (((elm)->field.le_next = (head)->lh_first) != NULL)		\
+		(head)->lh_first->field.le_prev = &(elm)->field.le_next;\
+	(head)->lh_first = (elm);					\
+	(elm)->field.le_prev = &(head)->lh_first;			\
+} while (0)
+
+#define LIST_REMOVE(elm, field) do {					\
+	if ((elm)->field.le_next != NULL)				\
+		(elm)->field.le_next->field.le_prev =			\
+		    (elm)->field.le_prev;				\
+	*(elm)->field.le_prev = (elm)->field.le_next;			\
+} while (0)
+
+#define LIST_REPLACE(elm, elm2, field) do {				\
+	if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)	\
+		(elm2)->field.le_next->field.le_prev =			\
+		    &(elm2)->field.le_next;				\
+	(elm2)->field.le_prev = (elm)->field.le_prev;			\
+	*(elm2)->field.le_prev = (elm2);				\
+} while (0)
+
+/*
+ * Simple queue definitions.
+ */
+#define SIMPLEQ_HEAD(name, type)					\
+struct name {								\
+	struct type *sqh_first;	/* first element */			\
+	struct type **sqh_last;	/* addr of last next element */		\
+}
+
+#define SIMPLEQ_HEAD_INITIALIZER(head)					\
+	{ NULL, &(head).sqh_first }
+
+#define SIMPLEQ_ENTRY(type)						\
+struct {								\
+	struct type *sqe_next;	/* next element */			\
+}
+
+/*
+ * Simple queue access methods.
+ */
+#define	SIMPLEQ_FIRST(head)	    ((head)->sqh_first)
+#define	SIMPLEQ_END(head)	    NULL
+#define	SIMPLEQ_EMPTY(head)	    (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head))
+#define	SIMPLEQ_NEXT(elm, field)    ((elm)->field.sqe_next)
+
+#define SIMPLEQ_FOREACH(var, head, field)				\
+	for((var) = SIMPLEQ_FIRST(head);				\
+	    (var) != SIMPLEQ_END(head);					\
+	    (var) = SIMPLEQ_NEXT(var, field))
+
+/*
+ * Simple queue functions.
+ */
+#define	SIMPLEQ_INIT(head) do {						\
+	(head)->sqh_first = NULL;					\
+	(head)->sqh_last = &(head)->sqh_first;				\
+} while (0)
+
+#define SIMPLEQ_INSERT_HEAD(head, elm, field) do {			\
+	if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)	\
+		(head)->sqh_last = &(elm)->field.sqe_next;		\
+	(head)->sqh_first = (elm);					\
+} while (0)
+
+#define SIMPLEQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.sqe_next = NULL;					\
+	*(head)->sqh_last = (elm);					\
+	(head)->sqh_last = &(elm)->field.sqe_next;			\
+} while (0)
+
+#define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
+		(head)->sqh_last = &(elm)->field.sqe_next;		\
+	(listelm)->field.sqe_next = (elm);				\
+} while (0)
+
+#define SIMPLEQ_REMOVE_HEAD(head, elm, field) do {			\
+	if (((head)->sqh_first = (elm)->field.sqe_next) == NULL)	\
+		(head)->sqh_last = &(head)->sqh_first;			\
+} while (0)
+
+/*
+ * Tail queue definitions.
+ */
+#define TAILQ_HEAD(name, type)						\
+struct name {								\
+	struct type *tqh_first;	/* first element */			\
+	struct type **tqh_last;	/* addr of last next element */		\
+}
+
+#define TAILQ_HEAD_INITIALIZER(head)					\
+	{ NULL, &(head).tqh_first }
+
+#define TAILQ_ENTRY(type)						\
+struct {								\
+	struct type *tqe_next;	/* next element */			\
+	struct type **tqe_prev;	/* address of previous next element */	\
+}
+
+/*
+ * tail queue access methods
+ */
+#define	TAILQ_FIRST(head)		((head)->tqh_first)
+#define	TAILQ_END(head)			NULL
+#define	TAILQ_NEXT(elm, field)		((elm)->field.tqe_next)
+#define TAILQ_LAST(head, headname)					\
+	(*(((struct headname *)((head)->tqh_last))->tqh_last))
+/* XXX */
+#define TAILQ_PREV(elm, headname, field)				\
+	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
+#define	TAILQ_EMPTY(head)						\
+	(TAILQ_FIRST(head) == TAILQ_END(head))
+
+#define TAILQ_FOREACH(var, head, field)					\
+	for((var) = TAILQ_FIRST(head);					\
+	    (var) != TAILQ_END(head);					\
+	    (var) = TAILQ_NEXT(var, field))
+
+#define TAILQ_FOREACH_REVERSE(var, head, headname, field)		\
+	for((var) = TAILQ_LAST(head, headname);				\
+	    (var) != TAILQ_END(head);					\
+	    (var) = TAILQ_PREV(var, headname, field))
+
+/*
+ * Tail queue functions.
+ */
+#define	TAILQ_INIT(head) do {						\
+	(head)->tqh_first = NULL;					\
+	(head)->tqh_last = &(head)->tqh_first;				\
+} while (0)
+
+#define TAILQ_INSERT_HEAD(head, elm, field) do {			\
+	if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)	\
+		(head)->tqh_first->field.tqe_prev =			\
+		    &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(head)->tqh_first = (elm);					\
+	(elm)->field.tqe_prev = &(head)->tqh_first;			\
+} while (0)
+
+#define TAILQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.tqe_next = NULL;					\
+	(elm)->field.tqe_prev = (head)->tqh_last;			\
+	*(head)->tqh_last = (elm);					\
+	(head)->tqh_last = &(elm)->field.tqe_next;			\
+} while (0)
+
+#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		    &(elm)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm)->field.tqe_next;		\
+	(listelm)->field.tqe_next = (elm);				\
+	(elm)->field.tqe_prev = &(listelm)->field.tqe_next;		\
+} while (0)
+
+#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
+	(elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
+	(elm)->field.tqe_next = (listelm);				\
+	*(listelm)->field.tqe_prev = (elm);				\
+	(listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
+} while (0)
+
+#define TAILQ_REMOVE(head, elm, field) do {				\
+	if (((elm)->field.tqe_next) != NULL)				\
+		(elm)->field.tqe_next->field.tqe_prev =			\
+		    (elm)->field.tqe_prev;				\
+	else								\
+		(head)->tqh_last = (elm)->field.tqe_prev;		\
+	*(elm)->field.tqe_prev = (elm)->field.tqe_next;			\
+} while (0)
+
+#define TAILQ_REPLACE(head, elm, elm2, field) do {			\
+	if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)	\
+		(elm2)->field.tqe_next->field.tqe_prev =		\
+		    &(elm2)->field.tqe_next;				\
+	else								\
+		(head)->tqh_last = &(elm2)->field.tqe_next;		\
+	(elm2)->field.tqe_prev = (elm)->field.tqe_prev;			\
+	*(elm2)->field.tqe_prev = (elm2);				\
+} while (0)
+
+/*
+ * Circular queue definitions.
+ */
+#define CIRCLEQ_HEAD(name, type)					\
+struct name {								\
+	struct type *cqh_first;		/* first element */		\
+	struct type *cqh_last;		/* last element */		\
+}
+
+#define CIRCLEQ_HEAD_INITIALIZER(head)					\
+	{ CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
+
+#define CIRCLEQ_ENTRY(type)						\
+struct {								\
+	struct type *cqe_next;		/* next element */		\
+	struct type *cqe_prev;		/* previous element */		\
+}
+
+/*
+ * Circular queue access methods
+ */
+#define	CIRCLEQ_FIRST(head)		((head)->cqh_first)
+#define	CIRCLEQ_LAST(head)		((head)->cqh_last)
+#define	CIRCLEQ_END(head)		((void *)(head))
+#define	CIRCLEQ_NEXT(elm, field)	((elm)->field.cqe_next)
+#define	CIRCLEQ_PREV(elm, field)	((elm)->field.cqe_prev)
+#define	CIRCLEQ_EMPTY(head)						\
+	(CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))
+
+#define CIRCLEQ_FOREACH(var, head, field)				\
+	for((var) = CIRCLEQ_FIRST(head);				\
+	    (var) != CIRCLEQ_END(head);					\
+	    (var) = CIRCLEQ_NEXT(var, field))
+
+#define CIRCLEQ_FOREACH_REVERSE(var, head, field)			\
+	for((var) = CIRCLEQ_LAST(head);					\
+	    (var) != CIRCLEQ_END(head);					\
+	    (var) = CIRCLEQ_PREV(var, field))
+
+/*
+ * Circular queue functions.
+ */
+#define	CIRCLEQ_INIT(head) do {						\
+	(head)->cqh_first = CIRCLEQ_END(head);				\
+	(head)->cqh_last = CIRCLEQ_END(head);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
+	(elm)->field.cqe_next = (listelm)->field.cqe_next;		\
+	(elm)->field.cqe_prev = (listelm);				\
+	if ((listelm)->field.cqe_next == CIRCLEQ_END(head))		\
+		(head)->cqh_last = (elm);				\
+	else								\
+		(listelm)->field.cqe_next->field.cqe_prev = (elm);	\
+	(listelm)->field.cqe_next = (elm);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {		\
+	(elm)->field.cqe_next = (listelm);				\
+	(elm)->field.cqe_prev = (listelm)->field.cqe_prev;		\
+	if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))		\
+		(head)->cqh_first = (elm);				\
+	else								\
+		(listelm)->field.cqe_prev->field.cqe_next = (elm);	\
+	(listelm)->field.cqe_prev = (elm);				\
+} while (0)
+
+#define CIRCLEQ_INSERT_HEAD(head, elm, field) do {			\
+	(elm)->field.cqe_next = (head)->cqh_first;			\
+	(elm)->field.cqe_prev = CIRCLEQ_END(head);			\
+	if ((head)->cqh_last == CIRCLEQ_END(head))			\
+		(head)->cqh_last = (elm);				\
+	else								\
+		(head)->cqh_first->field.cqe_prev = (elm);		\
+	(head)->cqh_first = (elm);					\
+} while (0)
+
+#define CIRCLEQ_INSERT_TAIL(head, elm, field) do {			\
+	(elm)->field.cqe_next = CIRCLEQ_END(head);			\
+	(elm)->field.cqe_prev = (head)->cqh_last;			\
+	if ((head)->cqh_first == CIRCLEQ_END(head))			\
+		(head)->cqh_first = (elm);				\
+	else								\
+		(head)->cqh_last->field.cqe_next = (elm);		\
+	(head)->cqh_last = (elm);					\
+} while (0)
+
+#define	CIRCLEQ_REMOVE(head, elm, field) do {				\
+	if ((elm)->field.cqe_next == CIRCLEQ_END(head))			\
+		(head)->cqh_last = (elm)->field.cqe_prev;		\
+	else								\
+		(elm)->field.cqe_next->field.cqe_prev =			\
+		    (elm)->field.cqe_prev;				\
+	if ((elm)->field.cqe_prev == CIRCLEQ_END(head))			\
+		(head)->cqh_first = (elm)->field.cqe_next;		\
+	else								\
+		(elm)->field.cqe_prev->field.cqe_next =			\
+		    (elm)->field.cqe_next;				\
+} while (0)
+
+#define CIRCLEQ_REPLACE(head, elm, elm2, field) do {			\
+	if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==		\
+	    CIRCLEQ_END(head))						\
+		(head).cqh_last = (elm2);				\
+	else								\
+		(elm2)->field.cqe_next->field.cqe_prev = (elm2);	\
+	if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==		\
+	    CIRCLEQ_END(head))						\
+		(head).cqh_first = (elm2);				\
+	else								\
+		(elm2)->field.cqe_prev->field.cqe_next = (elm2);	\
+} while (0)
+
+#endif	/* !SYS_QUEUE_H__ */
diff --git a/compile b/compile
index 7b4a9a7..a85b723 100755
--- a/compile
+++ b/compile
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2012-03-05.13; # UTC
+scriptversion=2012-10-14.11; # UTC
 
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -112,6 +112,11 @@
       lib=$dir/$lib.lib
       break
     fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
   done
   IFS=$save_IFS
 
diff --git a/config.guess b/config.guess
index c0adba9..6c32c86 100755
--- a/config.guess
+++ b/config.guess
@@ -1,14 +1,12 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-#   2011, 2012 Free Software Foundation, Inc.
+#   Copyright 1992-2014 Free Software Foundation, Inc.
 
-timestamp='2012-06-10'
+timestamp='2014-11-04'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful, but
@@ -22,19 +20,17 @@
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-
-# Originally written by Per Bothner.  Please send patches (context
-# diff format) to <config-patches@gnu.org> and include a ChangeLog
-# entry.
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
 #
-# This script attempts to guess a canonical system name similar to
-# config.sub.  If it succeeds, it prints the system name on stdout, and
-# exits with 0.  Otherwise, it exits with 1.
+# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
 # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+#
+# Please send patches to <config-patches@gnu.org>.
+
 
 me=`echo "$0" | sed -e 's,.*/,,'`
 
@@ -54,9 +50,7 @@
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
+Copyright 1992-2014 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -138,6 +132,27 @@
 UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
+case "${UNAME_SYSTEM}" in
+Linux|GNU|GNU/*)
+	# If the system lacks a compiler, then just pick glibc.
+	# We could probably try harder.
+	LIBC=gnu
+
+	eval $set_cc_for_build
+	cat <<-EOF > $dummy.c
+	#include <features.h>
+	#if defined(__UCLIBC__)
+	LIBC=uclibc
+	#elif defined(__dietlibc__)
+	LIBC=dietlibc
+	#else
+	LIBC=gnu
+	#endif
+	EOF
+	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
+	;;
+esac
+
 # Note: order is significant - the case branches are not exclusive.
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
@@ -200,6 +215,10 @@
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
 	echo "${machine}-${os}${release}"
 	exit ;;
+    *:Bitrig:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
+	exit ;;
     *:OpenBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
 	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
@@ -302,7 +321,7 @@
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}
 	exit ;;
-    arm:riscos:*:*|arm:RISCOS:*:*)
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
 	echo arm-unknown-riscos
 	exit ;;
     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
@@ -560,8 +579,9 @@
 	else
 		IBM_ARCH=powerpc
 	fi
-	if [ -x /usr/bin/oslevel ] ; then
-		IBM_REV=`/usr/bin/oslevel`
+	if [ -x /usr/bin/lslpp ] ; then
+		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
+			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
 	else
 		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
 	fi
@@ -801,10 +821,13 @@
     i*:CYGWIN*:*)
 	echo ${UNAME_MACHINE}-pc-cygwin
 	exit ;;
+    *:MINGW64*:*)
+	echo ${UNAME_MACHINE}-pc-mingw64
+	exit ;;
     *:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit ;;
-    i*:MSYS*:*)
+    *:MSYS*:*)
 	echo ${UNAME_MACHINE}-pc-msys
 	exit ;;
     i*:windows32*:*)
@@ -852,21 +875,21 @@
 	exit ;;
     *:GNU:*:*)
 	# the GNU system
-	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
 	exit ;;
     *:GNU/*:*:*)
 	# other systems with GNU libc and userland
-	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
 	exit ;;
     i*86:Minix:*:*)
 	echo ${UNAME_MACHINE}-pc-minix
 	exit ;;
     aarch64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     aarch64_be:Linux:*:*)
 	UNAME_MACHINE=aarch64_be
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     alpha:Linux:*:*)
 	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
@@ -879,59 +902,54 @@
 	  EV68*) UNAME_MACHINE=alphaev68 ;;
 	esac
 	objdump --private-headers /bin/sh | grep -q ld.so.1
-	if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
-	echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+	if test "$?" = 0 ; then LIBC="gnulibc1" ; fi
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
+    arc:Linux:*:* | arceb:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     arm*:Linux:*:*)
 	eval $set_cc_for_build
 	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_EABI__
 	then
-	    echo ${UNAME_MACHINE}-unknown-linux-gnu
+	    echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	else
 	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 		| grep -q __ARM_PCS_VFP
 	    then
-		echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi
 	    else
-		echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
+		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf
 	    fi
 	fi
 	exit ;;
     avr32*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     cris:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-gnu
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
 	exit ;;
     crisv32:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-gnu
+	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
 	exit ;;
     frv:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     hexagon:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     i*86:Linux:*:*)
-	LIBC=gnu
-	eval $set_cc_for_build
-	sed 's/^	//' << EOF >$dummy.c
-	#ifdef __dietlibc__
-	LIBC=dietlibc
-	#endif
-EOF
-	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
-	echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
 	exit ;;
     ia64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     m32r*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     m68*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     mips:Linux:*:* | mips64:Linux:*:*)
 	eval $set_cc_for_build
@@ -950,54 +968,63 @@
 	#endif
 EOF
 	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
-	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; }
 	;;
-    or32:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+    openrisc*:Linux:*:*)
+	echo or1k-unknown-linux-${LIBC}
+	exit ;;
+    or32:Linux:*:* | or1k*:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     padre:Linux:*:*)
-	echo sparc-unknown-linux-gnu
+	echo sparc-unknown-linux-${LIBC}
 	exit ;;
     parisc64:Linux:*:* | hppa64:Linux:*:*)
-	echo hppa64-unknown-linux-gnu
+	echo hppa64-unknown-linux-${LIBC}
 	exit ;;
     parisc:Linux:*:* | hppa:Linux:*:*)
 	# Look for CPU level
 	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
-	  PA7*) echo hppa1.1-unknown-linux-gnu ;;
-	  PA8*) echo hppa2.0-unknown-linux-gnu ;;
-	  *)    echo hppa-unknown-linux-gnu ;;
+	  PA7*) echo hppa1.1-unknown-linux-${LIBC} ;;
+	  PA8*) echo hppa2.0-unknown-linux-${LIBC} ;;
+	  *)    echo hppa-unknown-linux-${LIBC} ;;
 	esac
 	exit ;;
     ppc64:Linux:*:*)
-	echo powerpc64-unknown-linux-gnu
+	echo powerpc64-unknown-linux-${LIBC}
 	exit ;;
     ppc:Linux:*:*)
-	echo powerpc-unknown-linux-gnu
+	echo powerpc-unknown-linux-${LIBC}
+	exit ;;
+    ppc64le:Linux:*:*)
+	echo powerpc64le-unknown-linux-${LIBC}
+	exit ;;
+    ppcle:Linux:*:*)
+	echo powerpcle-unknown-linux-${LIBC}
 	exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
-	echo ${UNAME_MACHINE}-ibm-linux
+	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
 	exit ;;
     sh64*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     sh*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     sparc:Linux:*:* | sparc64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     tile*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     vax:Linux:*:*)
-	echo ${UNAME_MACHINE}-dec-linux-gnu
+	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
 	exit ;;
     x86_64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     xtensa*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     i*86:DYNIX/ptx:4*:*)
 	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
@@ -1201,6 +1228,9 @@
     BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
 	echo i586-pc-haiku
 	exit ;;
+    x86_64:Haiku:*:*)
+	echo x86_64-unknown-haiku
+	exit ;;
     SX-4:SUPER-UX:*:*)
 	echo sx4-nec-superux${UNAME_RELEASE}
 	exit ;;
@@ -1227,19 +1257,31 @@
 	exit ;;
     *:Darwin:*:*)
 	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
-	case $UNAME_PROCESSOR in
-	    i386)
-		eval $set_cc_for_build
-		if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
-		  if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
-		      (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
-		      grep IS_64BIT_ARCH >/dev/null
-		  then
-		      UNAME_PROCESSOR="x86_64"
-		  fi
-		fi ;;
-	    unknown) UNAME_PROCESSOR=powerpc ;;
-	esac
+	eval $set_cc_for_build
+	if test "$UNAME_PROCESSOR" = unknown ; then
+	    UNAME_PROCESSOR=powerpc
+	fi
+	if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
+	    if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+		    (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		    grep IS_64BIT_ARCH >/dev/null
+		then
+		    case $UNAME_PROCESSOR in
+			i386) UNAME_PROCESSOR=x86_64 ;;
+			powerpc) UNAME_PROCESSOR=powerpc64 ;;
+		    esac
+		fi
+	    fi
+	elif test "$UNAME_PROCESSOR" = i386 ; then
+	    # Avoid executing cc on OS X 10.9, as it ships with a stub
+	    # that puts up a graphical alert prompting to install
+	    # developer tools.  Any system running Mac OS X 10.7 or
+	    # later (Darwin 11 and later) is required to have a 64-bit
+	    # processor. This is not true of the ARM version of Darwin
+	    # that Apple uses in portable devices.
+	    UNAME_PROCESSOR=x86_64
+	fi
 	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
 	exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
@@ -1330,157 +1372,6 @@
 	exit ;;
 esac
 
-#echo '(No uname command or uname output not recognized.)' 1>&2
-#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
-
-eval $set_cc_for_build
-cat >$dummy.c <<EOF
-#ifdef _SEQUENT_
-# include <sys/types.h>
-# include <sys/utsname.h>
-#endif
-main ()
-{
-#if defined (sony)
-#if defined (MIPSEB)
-  /* BFD wants "bsd" instead of "newsos".  Perhaps BFD should be changed,
-     I don't know....  */
-  printf ("mips-sony-bsd\n"); exit (0);
-#else
-#include <sys/param.h>
-  printf ("m68k-sony-newsos%s\n",
-#ifdef NEWSOS4
-	"4"
-#else
-	""
-#endif
-	); exit (0);
-#endif
-#endif
-
-#if defined (__arm) && defined (__acorn) && defined (__unix)
-  printf ("arm-acorn-riscix\n"); exit (0);
-#endif
-
-#if defined (hp300) && !defined (hpux)
-  printf ("m68k-hp-bsd\n"); exit (0);
-#endif
-
-#if defined (NeXT)
-#if !defined (__ARCHITECTURE__)
-#define __ARCHITECTURE__ "m68k"
-#endif
-  int version;
-  version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
-  if (version < 4)
-    printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
-  else
-    printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
-  exit (0);
-#endif
-
-#if defined (MULTIMAX) || defined (n16)
-#if defined (UMAXV)
-  printf ("ns32k-encore-sysv\n"); exit (0);
-#else
-#if defined (CMU)
-  printf ("ns32k-encore-mach\n"); exit (0);
-#else
-  printf ("ns32k-encore-bsd\n"); exit (0);
-#endif
-#endif
-#endif
-
-#if defined (__386BSD__)
-  printf ("i386-pc-bsd\n"); exit (0);
-#endif
-
-#if defined (sequent)
-#if defined (i386)
-  printf ("i386-sequent-dynix\n"); exit (0);
-#endif
-#if defined (ns32000)
-  printf ("ns32k-sequent-dynix\n"); exit (0);
-#endif
-#endif
-
-#if defined (_SEQUENT_)
-    struct utsname un;
-
-    uname(&un);
-
-    if (strncmp(un.version, "V2", 2) == 0) {
-	printf ("i386-sequent-ptx2\n"); exit (0);
-    }
-    if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
-	printf ("i386-sequent-ptx1\n"); exit (0);
-    }
-    printf ("i386-sequent-ptx\n"); exit (0);
-
-#endif
-
-#if defined (vax)
-# if !defined (ultrix)
-#  include <sys/param.h>
-#  if defined (BSD)
-#   if BSD == 43
-      printf ("vax-dec-bsd4.3\n"); exit (0);
-#   else
-#    if BSD == 199006
-      printf ("vax-dec-bsd4.3reno\n"); exit (0);
-#    else
-      printf ("vax-dec-bsd\n"); exit (0);
-#    endif
-#   endif
-#  else
-    printf ("vax-dec-bsd\n"); exit (0);
-#  endif
-# else
-    printf ("vax-dec-ultrix\n"); exit (0);
-# endif
-#endif
-
-#if defined (alliant) && defined (i860)
-  printf ("i860-alliant-bsd\n"); exit (0);
-#endif
-
-  exit (1);
-}
-EOF
-
-$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
-	{ echo "$SYSTEM_NAME"; exit; }
-
-# Apollos put the system type in the environment.
-
-test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
-
-# Convex versions that predate uname can use getsysinfo(1)
-
-if [ -x /usr/convex/getsysinfo ]
-then
-    case `getsysinfo -f cpu_type` in
-    c1*)
-	echo c1-convex-bsd
-	exit ;;
-    c2*)
-	if getsysinfo -f scalar_acc
-	then echo c32-convex-bsd
-	else echo c2-convex-bsd
-	fi
-	exit ;;
-    c34*)
-	echo c34-convex-bsd
-	exit ;;
-    c38*)
-	echo c38-convex-bsd
-	exit ;;
-    c4*)
-	echo c4-convex-bsd
-	exit ;;
-    esac
-fi
-
 cat >&2 <<EOF
 $0: unable to guess system type
 
diff --git a/config.h.in b/config.h.in
index e92e14d..1c35289 100644
--- a/config.h.in
+++ b/config.h.in
@@ -9,6 +9,9 @@
 /* Define if libevent should not be compiled with thread support */
 #undef DISABLE_THREAD_SUPPORT
 
+/* Define to 1 if you have the `accept4' function. */
+#undef HAVE_ACCEPT4
+
 /* Define to 1 if you have the `arc4random' function. */
 #undef HAVE_ARC4RANDOM
 
@@ -46,9 +49,18 @@
 /* Define if your system supports the epoll system calls */
 #undef HAVE_EPOLL
 
+/* Define to 1 if you have the `epoll_create1' function. */
+#undef HAVE_EPOLL_CREATE1
+
 /* Define to 1 if you have the `epoll_ctl' function. */
 #undef HAVE_EPOLL_CTL
 
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have ERR_remove_thread_stat(). */
+#undef HAVE_ERR_REMOVE_THREAD_STATE
+
 /* Define to 1 if you have the `eventfd' function. */
 #undef HAVE_EVENTFD
 
@@ -85,6 +97,9 @@
 /* Define this if gethostbyname_r takes 6 arguments */
 #undef HAVE_GETHOSTBYNAME_R_6_ARG
 
+/* Define to 1 if you have the `getifaddrs' function. */
+#undef HAVE_GETIFADDRS
+
 /* Define to 1 if you have the `getnameinfo' function. */
 #undef HAVE_GETNAMEINFO
 
@@ -97,8 +112,8 @@
 /* Define to 1 if you have the `gettimeofday' function. */
 #undef HAVE_GETTIMEOFDAY
 
-/* Define to 1 if you have the `inet_aton' function. */
-#undef HAVE_INET_ATON
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#undef HAVE_IFADDRS_H
 
 /* Define to 1 if you have the `inet_ntop' function. */
 #undef HAVE_INET_NTOP
@@ -118,12 +133,21 @@
 /* Define if the system has zlib */
 #undef HAVE_LIBZ
 
+/* Define to 1 if you have the `mach_absolute_time' function. */
+#undef HAVE_MACH_ABSOLUTE_TIME
+
+/* Define to 1 if you have the <mach/mach_time.h> header file. */
+#undef HAVE_MACH_MACH_TIME_H
+
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
 /* Define to 1 if you have the `mmap' function. */
 #undef HAVE_MMAP
 
+/* Define to 1 if you have the `nanosleep' function. */
+#undef HAVE_NANOSLEEP
+
 /* Define to 1 if you have the <netdb.h> header file. */
 #undef HAVE_NETDB_H
 
@@ -133,15 +157,18 @@
 /* Define to 1 if you have the <netinet/in.h> header file. */
 #undef HAVE_NETINET_IN_H
 
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#undef HAVE_NETINET_TCP_H
+
 /* Define if the system has openssl */
 #undef HAVE_OPENSSL
 
-/* Define to 1 if you have the <openssl/bio.h> header file. */
-#undef HAVE_OPENSSL_BIO_H
-
 /* Define to 1 if you have the `pipe' function. */
 #undef HAVE_PIPE
 
+/* Define to 1 if you have the `pipe2' function. */
+#undef HAVE_PIPE2
+
 /* Define to 1 if you have the `poll' function. */
 #undef HAVE_POLL
 
@@ -178,6 +205,9 @@
 /* Define if F_SETFD is defined in <fcntl.h> */
 #undef HAVE_SETFD
 
+/* Define to 1 if you have the `setrlimit' function. */
+#undef HAVE_SETRLIMIT
+
 /* Define to 1 if you have the `sigaction' function. */
 #undef HAVE_SIGACTION
 
@@ -247,6 +277,9 @@
 /* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */
 #undef HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY
 
+/* Define to 1 if the system has the type `struct so_linger'. */
+#undef HAVE_STRUCT_SO_LINGER
+
 /* Define to 1 if you have the `sysctl' function. */
 #undef HAVE_SYSCTL
 
@@ -274,6 +307,9 @@
 /* Define to 1 if you have the <sys/queue.h> header file. */
 #undef HAVE_SYS_QUEUE_H
 
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
 /* Define to 1 if you have the <sys/select.h> header file. */
 #undef HAVE_SYS_SELECT_H
 
@@ -289,6 +325,9 @@
 /* Define to 1 if you have the <sys/sysctl.h> header file. */
 #undef HAVE_SYS_SYSCTL_H
 
+/* Define to 1 if you have the <sys/timerfd.h> header file. */
+#undef HAVE_SYS_TIMERFD_H
+
 /* Define to 1 if you have the <sys/time.h> header file. */
 #undef HAVE_SYS_TIME_H
 
@@ -313,6 +352,9 @@
 /* Define if timercmp is defined in <sys/time.h> */
 #undef HAVE_TIMERCMP
 
+/* Define to 1 if you have the `timerfd_create' function. */
+#undef HAVE_TIMERFD_CREATE
+
 /* Define if timerisset is defined in <sys/time.h> */
 #undef HAVE_TIMERISSET
 
@@ -340,22 +382,24 @@
 /* Define to 1 if you have the `unsetenv' function. */
 #undef HAVE_UNSETENV
 
+/* Define to 1 if you have the `usleep' function. */
+#undef HAVE_USLEEP
+
 /* Define to 1 if you have the `vasprintf' function. */
 #undef HAVE_VASPRINTF
 
+/* Define if waitpid() supports WNOWAIT */
+#undef HAVE_WAITPID_WITH_WNOWAIT
+
 /* Define if kqueue works correctly with pipes */
 #undef HAVE_WORKING_KQUEUE
 
 /* Define to 1 if you have the <zlib.h> header file. */
 #undef HAVE_ZLIB_H
 
-/* Define to the sub-directory in which libtool stores uninstalled libraries.
-   */
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
 #undef LT_OBJDIR
 
-/* Define to 1 if your C compiler doesn't accept -c and -o together. */
-#undef NO_MINUS_C_MINUS_O
-
 /* Numeric representation of the version */
 #undef NUMERIC_VERSION
 
@@ -414,9 +458,52 @@
 /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
 #undef TIME_WITH_SYS_TIME
 
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+
 /* Version number of package */
 #undef VERSION
 
+/* Enable large inode numbers on Mac OS X 10.5.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to 1 if on MINIX. */
+#undef _MINIX
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#undef _POSIX_1_SOURCE
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#undef _POSIX_SOURCE
+
 /* Define to appropriate substitue if compiler doesnt have __func__ */
 #undef __func__
 
diff --git a/config.sub b/config.sub
index 6205f84..7ffe373 100755
--- a/config.sub
+++ b/config.sub
@@ -1,24 +1,18 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-#   2011, 2012 Free Software Foundation, Inc.
+#   Copyright 1992-2014 Free Software Foundation, Inc.
 
-timestamp='2012-04-18'
+timestamp='2014-12-03'
 
-# This file is (in principle) common to ALL GNU software.
-# The presence of a machine in this file suggests that SOME GNU software
-# can handle that machine.  It does not imply ALL GNU software can.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
@@ -26,11 +20,12 @@
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
 
 
-# Please send patches to <config-patches@gnu.org>.  Submit a context
-# diff and a properly formatted GNU ChangeLog entry.
+# Please send patches to <config-patches@gnu.org>.
 #
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
@@ -73,9 +68,7 @@
 version="\
 GNU config.sub ($timestamp)
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-Free Software Foundation, Inc.
+Copyright 1992-2014 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -123,7 +116,7 @@
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
   nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
-  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
   knetbsd*-gnu* | netbsd*-gnu* | \
   kopensolaris*-gnu* | \
   storm-chaos* | os2-emx* | rtmk-nova*)
@@ -156,7 +149,7 @@
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis | -knuth | -cray | -microblaze)
+	-apple | -axis | -knuth | -cray | -microblaze*)
 		os=
 		basic_machine=$1
 		;;
@@ -259,10 +252,12 @@
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
 	| am33_2.0 \
-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
-        | be32 | be64 \
+	| arc | arceb \
+	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
+	| avr | avr32 \
+	| be32 | be64 \
 	| bfin \
-	| c4x | clipper \
+	| c4x | c8051 | clipper \
 	| d10v | d30v | dlx | dsp16xx \
 	| epiphany \
 	| fido | fr30 | frv \
@@ -270,10 +265,11 @@
 	| hexagon \
 	| i370 | i860 | i960 | ia64 \
 	| ip2k | iq2000 \
+	| k1om \
 	| le32 | le64 \
 	| lm32 \
 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
-	| maxq | mb | microblaze | mcore | mep | metag \
+	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
 	| mips16 \
 	| mips64 | mips64el \
@@ -287,23 +283,26 @@
 	| mips64vr5900 | mips64vr5900el \
 	| mipsisa32 | mipsisa32el \
 	| mipsisa32r2 | mipsisa32r2el \
+	| mipsisa32r6 | mipsisa32r6el \
 	| mipsisa64 | mipsisa64el \
 	| mipsisa64r2 | mipsisa64r2el \
+	| mipsisa64r6 | mipsisa64r6el \
 	| mipsisa64sb1 | mipsisa64sb1el \
 	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipsr5900 | mipsr5900el \
 	| mipstx39 | mipstx39el \
 	| mn10200 | mn10300 \
 	| moxie \
 	| mt \
 	| msp430 \
 	| nds32 | nds32le | nds32be \
-	| nios | nios2 \
+	| nios | nios2 | nios2eb | nios2el \
 	| ns16k | ns32k \
-	| open8 \
-	| or32 \
+	| open8 | or1k | or1knd | or32 \
 	| pdp10 | pdp11 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle \
 	| pyramid \
+	| riscv32 | riscv64 \
 	| rl78 | rx \
 	| score \
 	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
@@ -314,6 +313,7 @@
 	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
 	| ubicom32 \
 	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+	| visium \
 	| we32k \
 	| x86 | xc16x | xstormy16 | xtensa \
 	| z8k | z80)
@@ -328,7 +328,10 @@
 	c6x)
 		basic_machine=tic6x-unknown
 		;;
-	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
+	leon|leon[3-9])
+		basic_machine=sparc-$basic_machine
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip)
 		basic_machine=$basic_machine-unknown
 		os=-none
 		;;
@@ -370,13 +373,13 @@
 	| aarch64-* | aarch64_be-* \
 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
-	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
 	| avr-* | avr32-* \
 	| be32-* | be64-* \
 	| bfin-* | bs2000-* \
 	| c[123]* | c30-* | [cjt]90-* | c4x-* \
-	| clipper-* | craynv-* | cydra-* \
+	| c8051-* | clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
 	| elxsi-* \
 	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
@@ -385,11 +388,13 @@
 	| hexagon-* \
 	| i*86-* | i860-* | i960-* | ia64-* \
 	| ip2k-* | iq2000-* \
+	| k1om-* \
 	| le32-* | le64-* \
 	| lm32-* \
 	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+	| microblaze-* | microblazeel-* \
 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
 	| mips16-* \
 	| mips64-* | mips64el-* \
@@ -403,18 +408,22 @@
 	| mips64vr5900-* | mips64vr5900el-* \
 	| mipsisa32-* | mipsisa32el-* \
 	| mipsisa32r2-* | mipsisa32r2el-* \
+	| mipsisa32r6-* | mipsisa32r6el-* \
 	| mipsisa64-* | mipsisa64el-* \
 	| mipsisa64r2-* | mipsisa64r2el-* \
+	| mipsisa64r6-* | mipsisa64r6el-* \
 	| mipsisa64sb1-* | mipsisa64sb1el-* \
 	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipsr5900-* | mipsr5900el-* \
 	| mipstx39-* | mipstx39el-* \
 	| mmix-* \
 	| mt-* \
 	| msp430-* \
 	| nds32-* | nds32le-* | nds32be-* \
-	| nios-* | nios2-* \
+	| nios-* | nios2-* | nios2eb-* | nios2el-* \
 	| none-* | np1-* | ns16k-* | ns32k-* \
 	| open8-* \
+	| or1k*-* \
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
 	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
@@ -432,6 +441,7 @@
 	| ubicom32-* \
 	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
 	| vax-* \
+	| visium-* \
 	| we32k-* \
 	| x86-* | x86_64-* | xc16x-* | xps100-* \
 	| xstormy16-* | xtensa*-* \
@@ -769,6 +779,9 @@
 		basic_machine=m68k-isi
 		os=-sysv
 		;;
+	leon-*|leon[3-9]-*)
+		basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'`
+		;;
 	m68knommu)
 		basic_machine=m68k-unknown
 		os=-linux
@@ -788,11 +801,15 @@
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
-	microblaze)
+	microblaze*)
 		basic_machine=microblaze-xilinx
 		;;
+	mingw64)
+		basic_machine=x86_64-pc
+		os=-mingw64
+		;;
 	mingw32)
-		basic_machine=i386-pc
+		basic_machine=i686-pc
 		os=-mingw32
 		;;
 	mingw32ce)
@@ -820,6 +837,10 @@
 		basic_machine=powerpc-unknown
 		os=-morphos
 		;;
+	moxiebox)
+		basic_machine=moxie-unknown
+		os=-moxiebox
+		;;
 	msdos)
 		basic_machine=i386-pc
 		os=-msdos
@@ -828,7 +849,7 @@
 		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
 		;;
 	msys)
-		basic_machine=i386-pc
+		basic_machine=i686-pc
 		os=-msys
 		;;
 	mvs)
@@ -1019,7 +1040,11 @@
 		basic_machine=i586-unknown
 		os=-pw32
 		;;
-	rdos)
+	rdos | rdos64)
+		basic_machine=x86_64-pc
+		os=-rdos
+		;;
+	rdos32)
 		basic_machine=i386-pc
 		os=-rdos
 		;;
@@ -1346,29 +1371,29 @@
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
-	      | -sym* | -kopensolaris* \
+	      | -sym* | -kopensolaris* | -plan9* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* | -aros* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
-	      | -openbsd* | -solidbsd* \
+	      | -bitrig* | -openbsd* | -solidbsd* \
 	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
 	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -chorusos* | -chorusrdb* | -cegcc* \
 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -linux-android* \
-	      | -linux-newlib* | -linux-uclibc* \
-	      | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1492,9 +1517,6 @@
 	-aros*)
 		os=-aros
 		;;
-	-kaos*)
-		os=-kaos
-		;;
 	-zvmoe)
 		os=-zvmoe
 		;;
@@ -1543,6 +1565,9 @@
 	c4x-* | tic4x-*)
 		os=-coff
 		;;
+	c8051-*)
+		os=-elf
+		;;
 	hexagon-*)
 		os=-elf
 		;;
diff --git a/configure b/configure
index a8b66d9..5b76c6d 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69.
+# Generated by GNU Autoconf 2.69 for libevent 2.1.8-stable.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -585,12 +585,12 @@
 MAKEFLAGS=
 
 # Identity of this package.
-PACKAGE_NAME=
-PACKAGE_TARNAME=
-PACKAGE_VERSION=
-PACKAGE_STRING=
-PACKAGE_BUGREPORT=
-PACKAGE_URL=
+PACKAGE_NAME='libevent'
+PACKAGE_TARNAME='libevent'
+PACKAGE_VERSION='2.1.8-stable'
+PACKAGE_STRING='libevent 2.1.8-stable'
+PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
 
 ac_unique_file="event.c"
 # Factoring default headers for most tests.
@@ -635,10 +635,10 @@
 INSTALL_LIBEVENT_FALSE
 INSTALL_LIBEVENT_TRUE
 LIBEVENT_GC_SECTIONS
-OPENSSL_FALSE
-OPENSSL_TRUE
 PTHREADS_FALSE
 PTHREADS_TRUE
+THREADS_FALSE
+THREADS_TRUE
 PTHREAD_CFLAGS
 PTHREAD_LIBS
 PTHREAD_CC
@@ -658,13 +658,19 @@
 POLL_BACKEND_TRUE
 SELECT_BACKEND_FALSE
 SELECT_BACKEND_TRUE
+STRLCPY_IMPL_FALSE
+STRLCPY_IMPL_TRUE
 BUILD_WITH_NO_UNDEFINED_FALSE
 BUILD_WITH_NO_UNDEFINED_TRUE
 BUILD_CYGWIN_FALSE
 BUILD_CYGWIN_TRUE
 BUILD_WIN32_FALSE
 BUILD_WIN32_TRUE
+OPENSSL_FALSE
+OPENSSL_TRUE
 OPENSSL_LIBS
+OPENSSL_INCS
+PKG_CONFIG
 OPENSSL_LIBADD
 EV_LIB_GDI
 EV_LIB_WS32
@@ -673,7 +679,10 @@
 ZLIB_LIBS
 BUILD_REGRESS_FALSE
 BUILD_REGRESS_TRUE
+BUILD_SAMPLES_FALSE
+BUILD_SAMPLES_TRUE
 LIBTOOL_DEPS
+LT_SYS_LIBRARY_PATH
 OTOOL64
 OTOOL
 LIPO
@@ -691,11 +700,19 @@
 LD
 FGREP
 LIBTOOL
+SED
+LN_S
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
 EGREP
 GREP
 CPP
-SED
-LN_S
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
 CCDEPMODE
@@ -713,14 +730,10 @@
 LDFLAGS
 CFLAGS
 CC
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
+AM_BACKSLASH
+AM_DEFAULT_VERBOSITY
+AM_DEFAULT_V
+AM_V
 am__untar
 am__tar
 AMTAR
@@ -785,22 +798,29 @@
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+enable_silent_rules
 enable_dependency_tracking
 enable_gcc_warnings
+enable_gcc_hardening
 enable_thread_support
 enable_malloc_replacement
 enable_openssl
 enable_debug_mode
 enable_libevent_install
 enable_libevent_regress
+enable_samples
 enable_function_sections
+enable_verbose_debug
+enable_clock_gettime
 enable_shared
 enable_static
 with_pic
 enable_fast_install
+with_aix_soname
 with_gnu_ld
 with_sysroot
 enable_libtool_lock
+enable_largefile
 '
       ac_precious_vars='build_alias
 host_alias
@@ -810,7 +830,8 @@
 LDFLAGS
 LIBS
 CPPFLAGS
-CPP'
+CPP
+LT_SYS_LIBRARY_PATH'
 
 
 # Initialize some variables set by options.
@@ -851,7 +872,7 @@
 localstatedir='${prefix}/var'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-docdir='${datarootdir}/doc/${PACKAGE}'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
 infodir='${datarootdir}/info'
 htmldir='${docdir}'
 dvidir='${docdir}'
@@ -1351,7 +1372,7 @@
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures this package to adapt to many kinds of systems.
+\`configure' configures libevent 2.1.8-stable to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1399,7 +1420,7 @@
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/libevent]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1420,18 +1441,23 @@
 fi
 
 if test -n "$ac_init_help"; then
-
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of libevent 2.1.8-stable:";;
+   esac
   cat <<\_ACEOF
 
 Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-silent-rules   less verbose build output (undo: "make V=1")
+  --disable-silent-rules  verbose build output (undo: "make V=0")
   --enable-dependency-tracking
                           do not reject slow dependency extractors
   --disable-dependency-tracking
                           speeds up one-time build
-  --enable-gcc-warnings   enable verbose warnings with GCC
+  --disable-gcc-warnings  disable verbose warnings with GCC
+  --enable-gcc-hardening  enable compiler security checks
   --disable-thread-support
                           disable support for threading
   --disable-malloc-replacement
@@ -1443,22 +1469,31 @@
 
   --disable-libevent-regress, skip regress in make check
 
+  --disable-samples, skip building of sample programs
+
   --enable-function-sections, make static library allow smaller binaries with --gc-sections
 
+  --enable-verbose-debug, verbose debug logging
+
+  --disable-clock-gettime do not use clock_gettime even if it is available
   --enable-shared[=PKGS]  build shared libraries [default=yes]
   --enable-static[=PKGS]  build static libraries [default=yes]
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-largefile     omit support for large files
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
                           both]
+  --with-aix-soname=aix|svr4|both
+                          shared library versioning (aka "SONAME") variant to
+                          provide on AIX, [default=aix].
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
-  --with-sysroot=DIR Search for dependent libraries within DIR
-                        (or the compiler's sysroot if not specified).
+  --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
+                          compiler's sysroot if not specified).
 
 Some influential environment variables:
   CC          C compiler command
@@ -1469,6 +1504,8 @@
   CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
+  LT_SYS_LIBRARY_PATH
+              User-defined run-time library search path.
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -1536,7 +1573,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-configure
+libevent configure 2.1.8-stable
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1625,192 +1662,6 @@
 
 } # ac_fn_c_try_cpp
 
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 test -x conftest$ac_exeext
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
-  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
-  # interfere with the next link command; also delete a directory that is
-  # left behind by Apple's compiler.  We do this before executing the actions.
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
-# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists and can be compiled using the include files in
-# INCLUDES, setting the cache variable VAR accordingly.
-ac_fn_c_check_header_compile ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_header_compile
-
-# ac_fn_c_try_run LINENO
-# ----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_c_try_run ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-       $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-       ac_retval=$ac_status
-fi
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_run
-
-# ac_fn_c_check_func LINENO FUNC VAR
-# ----------------------------------
-# Tests whether FUNC exists, setting the cache variable VAR accordingly
-ac_fn_c_check_func ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $2 innocuous_$2
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $2 (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $2
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $2 ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$2 || defined __stub___$2
-choke me
-#endif
-
-int
-main ()
-{
-return $2 ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_func
-
 # ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
 # -------------------------------------------------------
 # Tests whether HEADER exists, giving a warning if it cannot be compiled using
@@ -1898,6 +1749,192 @@
 
 } # ac_fn_c_check_header_mongrel
 
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
 # ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
 # ---------------------------------------------
 # Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
@@ -1944,6 +1981,60 @@
 
 } # ac_fn_c_check_decl
 
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_type
+
 # ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
 # --------------------------------------------
 # Tries to find the compile-time value of EXPR in a program that includes
@@ -2127,60 +2218,6 @@
 
 } # ac_fn_c_compute_int
 
-# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
-# -------------------------------------------
-# Tests whether TYPE exists after having included INCLUDES, setting cache
-# variable VAR accordingly.
-ac_fn_c_check_type ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=no"
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-if (sizeof ($2))
-	 return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-if (sizeof (($2)))
-	    return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
-  eval "$3=yes"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_type
-
 # ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES
 # ----------------------------------------------------
 # Tries to find if the field MEMBER exists in type AGGR, after including
@@ -2241,7 +2278,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by $as_me, which was
+It was created by libevent $as_me 2.1.8-stable, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2592,7 +2629,8 @@
 
 
 
-am__api_version='1.12'
+
+am__api_version='1.15'
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -2793,8 +2831,8 @@
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
 
-# expand $ac_aux_dir to an absolute path
-am_aux_dir=`cd $ac_aux_dir && pwd`
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
 
 if test x"${MISSING+set}" != xset; then
   case $am_aux_dir in
@@ -2805,15 +2843,15 @@
   esac
 fi
 # Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
-  am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+  am_missing_run="$MISSING "
 else
   am_missing_run=
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
 $as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
 fi
 
-if test x"${install_sh}" != xset; then
+if test x"${install_sh+set}" != xset; then
   case $am_aux_dir in
   *\ * | *\	*)
     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
@@ -3046,6 +3084,45 @@
 fi
 rmdir .tst 2>/dev/null
 
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=1;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
 if test "`cd $srcdir && pwd`" != "`pwd`"; then
   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
   # is not polluted with repeated "-I."
@@ -3067,9 +3144,8 @@
 
 
 # Define the identity of the package.
-
- PACKAGE=libevent
- VERSION=2.0.22-stable
+ PACKAGE='libevent'
+ VERSION='2.1.8-stable'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -3103,107 +3179,178 @@
 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 mkdir_p='$(MKDIR_P)'
 
-# We need awk for the "check" target.  The system "awk" is bad on
-# some platforms.
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
 # Always define AMTAR for backward compatibility.  Yes, it's still used
 # in the wild :-(  We should find a proper way to deprecate it ...
 AMTAR='$${TAR-tar}'
 
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
 am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
 
 
 
 
-ac_config_headers="$ac_config_headers config.h"
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
+
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+  enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+    *) AM_DEFAULT_VERBOSITY=0;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+	@$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+  am_cv_make_support_nested_variables=yes
+else
+  am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+ac_config_headers="$ac_config_headers config.h evconfig-private.h:evconfig-private.h.in"
 
 
-$as_echo "#define NUMERIC_VERSION 0x02001600" >>confdefs.h
+$as_echo "#define NUMERIC_VERSION 0x02010800" >>confdefs.h
 
 
 if test "$prefix" = "NONE"; then
    prefix="/usr/local"
 fi
 
-# Make sure we can run config.sub.
-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_build_alias=$build_alias
-test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
-test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+DEPDIR="${am__leading_dot}deps"
 
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
-case $ac_cv_build in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+	@echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
 esac
-build=$ac_cv_build
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_build
-shift
-build_cpu=$1
-build_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-build_os=$*
-IFS=$ac_save_IFS
-case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
 fi
 
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+  enableval=$enable_dependency_tracking;
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
+fi
 
 
-case "$host_os" in
-
- osf5*)
-    CFLAGS="$CFLAGS -D_OSF_SOURCE"
-    ;;
-esac
-
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3992,68 +4139,64 @@
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-DEPDIR="${am__leading_dot}deps"
 
-ac_config_commands="$ac_config_commands depfiles"
-
-
-am_make=${MAKE-make}
-cat > confinc << 'END'
-am__doit:
-	@echo this is the am__doit target
-.PHONY: am__doit
-END
-# If we don't find an include directive, just comment out the code.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
-$as_echo_n "checking for style of include used by $am_make... " >&6; }
-am__include="#"
-am__quote=
-_am_result=none
-# First try GNU make style include.
-echo "include confinc" > confmf
-# Ignore all kinds of additional output from 'make'.
-case `$am_make -s -f confmf 2> /dev/null` in #(
-*the\ am__doit\ target*)
-  am__include=include
-  am__quote=
-  _am_result=GNU
-  ;;
-esac
-# Now try BSD make style include.
-if test "$am__include" = "#"; then
-   echo '.include "confinc"' > confmf
-   case `$am_make -s -f confmf 2> /dev/null` in #(
-   *the\ am__doit\ target*)
-     am__include=.include
-     am__quote="\""
-     _am_result=BSD
-     ;;
-   esac
-fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
-$as_echo "$_am_result" >&6; }
-rm -f confinc confmf
-
-# Check whether --enable-dependency-tracking was given.
-if test "${enable_dependency_tracking+set}" = set; then :
-  enableval=$enable_dependency_tracking;
-fi
-
-if test "x$enable_dependency_tracking" != xno; then
-  am_depcomp="$ac_aux_dir/depcomp"
-  AMDEPBACKSLASH='\'
-  am__nodep='_no'
-fi
- if test "x$enable_dependency_tracking" != xno; then
-  AMDEP_TRUE=
-  AMDEP_FALSE='#'
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
+if ${am_cv_prog_cc_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
 else
-  AMDEP_TRUE='#'
-  AMDEP_FALSE=
-fi
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+$as_echo "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 depcc="$CC"   am_compiler_list=
@@ -4184,218 +4327,6 @@
 fi
 
 
-if test "x$CC" != xcc; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC and cc understand -c and -o together" >&5
-$as_echo_n "checking whether $CC and cc understand -c and -o together... " >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc understands -c and -o together" >&5
-$as_echo_n "checking whether cc understands -c and -o together... " >&6; }
-fi
-set dummy $CC; ac_cc=`$as_echo "$2" |
-		      sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-if eval \${ac_cv_prog_cc_${ac_cc}_c_o+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-# Make sure it works both with $CC and with simple cc.
-# We do the test twice because some compilers refuse to overwrite an
-# existing .o file with -o, though they will create one.
-ac_try='$CC -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-rm -f conftest2.*
-if { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } &&
-   test -f conftest2.$ac_objext && { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; };
-then
-  eval ac_cv_prog_cc_${ac_cc}_c_o=yes
-  if test "x$CC" != xcc; then
-    # Test first that cc exists at all.
-    if { ac_try='cc -c conftest.$ac_ext >&5'
-  { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-      ac_try='cc -c conftest.$ac_ext -o conftest2.$ac_objext >&5'
-      rm -f conftest2.*
-      if { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } &&
-	 test -f conftest2.$ac_objext && { { case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; };
-      then
-	# cc works too.
-	:
-      else
-	# cc exists but doesn't like -o.
-	eval ac_cv_prog_cc_${ac_cc}_c_o=no
-      fi
-    fi
-  fi
-else
-  eval ac_cv_prog_cc_${ac_cc}_c_o=no
-fi
-rm -f core conftest*
-
-fi
-if eval test \$ac_cv_prog_cc_${ac_cc}_c_o = yes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-$as_echo "#define NO_MINUS_C_MINUS_O 1" >>confdefs.h
-
-fi
-
-# FIXME: we rely on the cache variable name because
-# there is no other way.
-set dummy $CC
-am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
-if test "$am_t" != yes; then
-   # Losing compiler, so override with the script.
-   # FIXME: It is wrong to rewrite CC.
-   # But if we don't then we get into trouble of one sort or another.
-   # A longer-term fix would be to have automake use am__CC in this case,
-   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
-   CC="$am_aux_dir/compile $CC"
-fi
-
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
-$as_echo_n "checking whether ln -s works... " >&6; }
-LN_S=$as_ln_s
-if test "$LN_S" = "ln -s"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
-$as_echo "no, using $LN_S" >&6; }
-fi
-
-# AC_PROG_MKDIR_P - $(MKDIR_P) should be defined by AM_INIT_AUTOMAKE
-
-# AC_PROG_SED is only available in Autoconf >= 2.59b; workaround for older
-# versions
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
-$as_echo_n "checking for a sed that does not truncate output... " >&6; }
-if ${ac_cv_path_SED+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
-     for ac_i in 1 2 3 4 5 6 7; do
-       ac_script="$ac_script$as_nl$ac_script"
-     done
-     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
-     { ac_script=; unset ac_script;}
-     if test -z "$SED"; then
-  ac_path_SED_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_prog in sed gsed; do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_SED" || continue
-# Check for GNU ac_path_SED and select it if it is found.
-  # Check for GNU $ac_path_SED
-case `"$ac_path_SED" --version 2>&1` in
-*GNU*)
-  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
-*)
-  ac_count=0
-  $as_echo_n 0123456789 >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    $as_echo '' >> "conftest.nl"
-    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_SED_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_SED="$ac_path_SED"
-      ac_path_SED_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
-      $ac_path_SED_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_SED"; then
-    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
-  fi
-else
-  ac_cv_path_SED=$SED
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
-$as_echo "$ac_cv_path_SED" >&6; }
- SED="$ac_cv_path_SED"
-  rm -f conftest.sed
-
-
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -4665,6 +4596,364 @@
  EGREP="$ac_cv_path_EGREP"
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_stdc=yes
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+  ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+  ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
+if test "x$ac_cv_header_minix_config_h" = xyes; then :
+  MINIX=yes
+else
+  MINIX=
+fi
+
+
+  if test "$MINIX" = yes; then
+
+$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h
+
+
+$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h
+
+
+$as_echo "#define _MINIX 1" >>confdefs.h
+
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
+$as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
+if ${ac_cv_safe_to_define___extensions__+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#         define __EXTENSIONS__ 1
+          $ac_includes_default
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_safe_to_define___extensions__=yes
+else
+  ac_cv_safe_to_define___extensions__=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5
+$as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
+  test $ac_cv_safe_to_define___extensions__ = yes &&
+    $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h
+
+  $as_echo "#define _ALL_SOURCE 1" >>confdefs.h
+
+  $as_echo "#define _GNU_SOURCE 1" >>confdefs.h
+
+  $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h
+
+  $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h
+
+
+
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+
+#case "$host_os" in
+#
+# osf5*)
+#    CFLAGS="$CFLAGS -D_OSF_SOURCE"
+#    ;;
+#esac
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
+fi
+
+# AC_PROG_MKDIR_P - $(MKDIR_P) should be defined by AM_INIT_AUTOMAKE
+
+# AC_PROG_SED is only available in Autoconf >= 2.59b; workaround for older
+# versions
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if ${ac_cv_path_SED+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     { ac_script=; unset ac_script;}
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_SED_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
+
+
 if test $ac_cv_c_compiler_gnu = yes; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
 $as_echo_n "checking whether $CC needs -traditional... " >&6; }
@@ -4742,19 +5031,31 @@
 fi
 
 # OS X Lion started deprecating the system openssl. Let's just disable
-# all deprecation warnings on OS X.
-case "$host_os" in
-
- darwin*)
-    CFLAGS="$CFLAGS -Wno-deprecated-declarations"
-    ;;
-esac
+# all deprecation warnings on OS X; but do so only for gcc...
+if test "$GCC" = "yes" ; then
+	case "$host_os" in
+	 darwin*)
+	    CFLAGS="$CFLAGS -Wno-deprecated-declarations"
+	    ;;
+	esac
+fi
 
 # Check whether --enable-gcc-warnings was given.
 if test "${enable_gcc_warnings+set}" = set; then :
   enableval=$enable_gcc_warnings;
 fi
 
+
+# Check whether --enable-gcc-hardening was given.
+if test "${enable_gcc_hardening+set}" = set; then :
+  enableval=$enable_gcc_hardening; if test x$enableval = xyes; then
+    CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
+    CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
+    CFLAGS="$CFLAGS --param ssp-buffer-size=1"
+fi
+fi
+
+
 # Check whether --enable-thread-support was given.
 if test "${enable_thread_support+set}" = set; then :
   enableval=$enable_thread_support;
@@ -4797,6 +5098,13 @@
   enable_libevent_regress=yes
 fi
 
+# Check whether --enable-samples was given.
+if test "${enable_samples+set}" = set; then :
+  enableval=$enable_samples;
+else
+  enable_samples=yes
+fi
+
 # Check whether --enable-function-sections was given.
 if test "${enable_function_sections+set}" = set; then :
   enableval=$enable_function_sections;
@@ -4804,6 +5112,20 @@
   enable_function_sections=no
 fi
 
+# Check whether --enable-verbose-debug was given.
+if test "${enable_verbose_debug+set}" = set; then :
+  enableval=$enable_verbose_debug;
+else
+  enable_verbose_debug=no
+fi
+
+# Check whether --enable-clock-gettime was given.
+if test "${enable_clock_gettime+set}" = set; then :
+  enableval=$enable_clock_gettime;
+else
+  enable_clock_gettime=yes
+fi
+
 
 
 case `pwd` in
@@ -4814,8 +5136,8 @@
 
 
 
-macro_version='2.4.2'
-macro_revision='1.3337'
+macro_version='2.4.6'
+macro_revision='2.4.6'
 
 
 
@@ -4829,7 +5151,7 @@
 
 
 
-ltmain="$ac_aux_dir/ltmain.sh"
+ltmain=$ac_aux_dir/ltmain.sh
 
 # Backslashify metacharacters that are still active within
 # double-quoted strings.
@@ -4878,7 +5200,7 @@
     $ECHO ""
 }
 
-case "$ECHO" in
+case $ECHO in
   printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
 $as_echo "printf" >&6; } ;;
   print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
@@ -5071,19 +5393,19 @@
 
 # Check whether --with-gnu-ld was given.
 if test "${with_gnu_ld+set}" = set; then :
-  withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+  withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
 else
   with_gnu_ld=no
 fi
 
 ac_prog=ld
-if test "$GCC" = yes; then
+if test yes = "$GCC"; then
   # Check if gcc -print-prog-name=ld gives a path.
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
 $as_echo_n "checking for ld used by $CC... " >&6; }
   case $host in
   *-*-mingw*)
-    # gcc leaves a trailing carriage return which upsets mingw
+    # gcc leaves a trailing carriage return, which upsets mingw
     ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
   *)
     ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
@@ -5097,7 +5419,7 @@
       while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
 	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
       done
-      test -z "$LD" && LD="$ac_prog"
+      test -z "$LD" && LD=$ac_prog
       ;;
   "")
     # If it fails, then pretend we aren't using GCC.
@@ -5108,7 +5430,7 @@
     with_gnu_ld=unknown
     ;;
   esac
-elif test "$with_gnu_ld" = yes; then
+elif test yes = "$with_gnu_ld"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
 $as_echo_n "checking for GNU ld... " >&6; }
 else
@@ -5119,32 +5441,32 @@
   $as_echo_n "(cached) " >&6
 else
   if test -z "$LD"; then
-  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
-    IFS="$lt_save_ifs"
+    IFS=$lt_save_ifs
     test -z "$ac_dir" && ac_dir=.
     if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
-      lt_cv_path_LD="$ac_dir/$ac_prog"
+      lt_cv_path_LD=$ac_dir/$ac_prog
       # Check to see if the program is GNU ld.  I'd rather use --version,
       # but apparently some variants of GNU ld only accept -v.
       # Break only if it was the GNU/non-GNU ld that we prefer.
       case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
       *GNU* | *'with BFD'*)
-	test "$with_gnu_ld" != no && break
+	test no != "$with_gnu_ld" && break
 	;;
       *)
-	test "$with_gnu_ld" != yes && break
+	test yes != "$with_gnu_ld" && break
 	;;
       esac
     fi
   done
-  IFS="$lt_save_ifs"
+  IFS=$lt_save_ifs
 else
-  lt_cv_path_LD="$LD" # Let the user override the test with a path.
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
 fi
 fi
 
-LD="$lt_cv_path_LD"
+LD=$lt_cv_path_LD
 if test -n "$LD"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
 $as_echo "$LD" >&6; }
@@ -5187,33 +5509,38 @@
 else
   if test -n "$NM"; then
   # Let the user override the test.
-  lt_cv_path_NM="$NM"
+  lt_cv_path_NM=$NM
 else
-  lt_nm_to_check="${ac_tool_prefix}nm"
+  lt_nm_to_check=${ac_tool_prefix}nm
   if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
     lt_nm_to_check="$lt_nm_to_check nm"
   fi
   for lt_tmp_nm in $lt_nm_to_check; do
-    lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
     for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
-      IFS="$lt_save_ifs"
+      IFS=$lt_save_ifs
       test -z "$ac_dir" && ac_dir=.
-      tmp_nm="$ac_dir/$lt_tmp_nm"
-      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
 	# Check to see if the nm accepts a BSD-compat flag.
-	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
 	#   nm: unknown option "B" ignored
 	# Tru64's nm complains that /dev/null is an invalid object file
-	case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
-	*/dev/null* | *'Invalid file or object type'*)
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
 	  lt_cv_path_NM="$tmp_nm -B"
-	  break
+	  break 2
 	  ;;
 	*)
 	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
 	  */dev/null*)
 	    lt_cv_path_NM="$tmp_nm -p"
-	    break
+	    break 2
 	    ;;
 	  *)
 	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
@@ -5224,15 +5551,15 @@
 	esac
       fi
     done
-    IFS="$lt_save_ifs"
+    IFS=$lt_save_ifs
   done
   : ${lt_cv_path_NM=no}
 fi
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
 $as_echo "$lt_cv_path_NM" >&6; }
-if test "$lt_cv_path_NM" != "no"; then
-  NM="$lt_cv_path_NM"
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
 else
   # Didn't find any BSD compatible name lister, look for dumpbin.
   if test -n "$DUMPBIN"; then :
@@ -5338,9 +5665,9 @@
   fi
 fi
 
-    case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
     *COFF*)
-      DUMPBIN="$DUMPBIN -symbols"
+      DUMPBIN="$DUMPBIN -symbols -headers"
       ;;
     *)
       DUMPBIN=:
@@ -5348,8 +5675,8 @@
     esac
   fi
 
-  if test "$DUMPBIN" != ":"; then
-    NM="$DUMPBIN"
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
   fi
 fi
 test -z "$NM" && NM=nm
@@ -5389,7 +5716,7 @@
   $as_echo_n "(cached) " >&6
 else
     i=0
-  teststring="ABCD"
+  teststring=ABCD
 
   case $build_os in
   msdosdjgpp*)
@@ -5429,7 +5756,7 @@
     lt_cv_sys_max_cmd_len=8192;
     ;;
 
-  netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
     # This has been around since 386BSD, at least.  Likely further.
     if test -x /sbin/sysctl; then
       lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
@@ -5479,22 +5806,23 @@
     ;;
   *)
     lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
-    if test -n "$lt_cv_sys_max_cmd_len"; then
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
       lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
       lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
     else
       # Make teststring a little bigger before we do anything with it.
       # a 1K string should be a reasonable start.
-      for i in 1 2 3 4 5 6 7 8 ; do
+      for i in 1 2 3 4 5 6 7 8; do
         teststring=$teststring$teststring
       done
       SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
       # If test is not a shell built-in, we'll probably end up computing a
       # maximum length that is only half of the actual maximum length, but
       # we can't tell.
-      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
 	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
-	      test $i != 17 # 1/2 MB should be enough
+	      test 17 != "$i" # 1/2 MB should be enough
       do
         i=`expr $i + 1`
         teststring=$teststring$teststring
@@ -5512,7 +5840,7 @@
 
 fi
 
-if test -n $lt_cv_sys_max_cmd_len ; then
+if test -n "$lt_cv_sys_max_cmd_len"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
 $as_echo "$lt_cv_sys_max_cmd_len" >&6; }
 else
@@ -5530,30 +5858,6 @@
 : ${MV="mv -f"}
 : ${RM="rm -f"}
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5
-$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; }
-# Try some XSI features
-xsi_shell=no
-( _lt_dummy="a/b/c"
-  test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
-      = c,a/b,b/c, \
-    && eval 'test $(( 1 + 1 )) -eq 2 \
-    && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
-  && xsi_shell=yes
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5
-$as_echo "$xsi_shell" >&6; }
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5
-$as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
-lt_shell_append=no
-( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
-    >/dev/null 2>&1 \
-  && lt_shell_append=yes
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5
-$as_echo "$lt_shell_append" >&6; }
-
-
 if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
   lt_unset=unset
 else
@@ -5676,13 +5980,13 @@
 reload_cmds='$LD$reload_flag -o $output$reload_objs'
 case $host_os in
   cygwin* | mingw* | pw32* | cegcc*)
-    if test "$GCC" != yes; then
+    if test yes != "$GCC"; then
       reload_cmds=false
     fi
     ;;
   darwin*)
-    if test "$GCC" = yes; then
-      reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
     else
       reload_cmds='$LD$reload_flag -o $output$reload_objs'
     fi
@@ -5810,13 +6114,13 @@
 # Need to set the preceding variable on all platforms that support
 # interlibrary dependencies.
 # 'none' -- dependencies not supported.
-# `unknown' -- same as none, but documents that we really don't know.
+# 'unknown' -- same as none, but documents that we really don't know.
 # 'pass_all' -- all dependencies passed with no checks.
 # 'test_compile' -- check by making test program.
 # 'file_magic [[regex]]' -- check by looking for files in library path
-# which responds to the $file_magic_cmd with a given extended regex.
-# If you have `file' or equivalent on your system and you're not sure
-# whether `pass_all' will *always* work, you probably want this one.
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
 
 case $host_os in
 aix[4-9]*)
@@ -5843,8 +6147,7 @@
   # Base MSYS/MinGW do not provide the 'file' command needed by
   # func_win32_libid shell function, so use a weaker test based on 'objdump',
   # unless we find 'file', for example because we are cross-compiling.
-  # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin.
-  if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then
+  if ( file / ) >/dev/null 2>&1; then
     lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
     lt_cv_file_magic_cmd='func_win32_libid'
   else
@@ -5880,10 +6183,6 @@
   fi
   ;;
 
-gnu*)
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
 haiku*)
   lt_cv_deplibs_check_method=pass_all
   ;;
@@ -5922,7 +6221,7 @@
   ;;
 
 # This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
@@ -5944,8 +6243,8 @@
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-openbsd*)
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
   else
     lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
@@ -5998,6 +6297,9 @@
 tpf*)
   lt_cv_deplibs_check_method=pass_all
   ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
 esac
 
 fi
@@ -6155,8 +6457,8 @@
 
 case $host_os in
 cygwin* | mingw* | pw32* | cegcc*)
-  # two different shell functions defined in ltmain.sh
-  # decide which to use based on capabilities of $DLLTOOL
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
   case `$DLLTOOL --help 2>&1` in
   *--identify-strict*)
     lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
@@ -6168,7 +6470,7 @@
   ;;
 *)
   # fallback: assume linklib IS sharedlib
-  lt_cv_sharedlib_from_linklib_cmd="$ECHO"
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
   ;;
 esac
 
@@ -6322,7 +6624,7 @@
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
-      if test "$ac_status" -eq 0; then
+      if test 0 -eq "$ac_status"; then
 	# Ensure the archiver fails upon bogus file names.
 	rm -f conftest.$ac_objext libconftest.a
 	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
@@ -6330,7 +6632,7 @@
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
-	if test "$ac_status" -ne 0; then
+	if test 0 -ne "$ac_status"; then
           lt_cv_ar_at_file=@
         fi
       fi
@@ -6343,7 +6645,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
 $as_echo "$lt_cv_ar_at_file" >&6; }
 
-if test "x$lt_cv_ar_at_file" = xno; then
+if test no = "$lt_cv_ar_at_file"; then
   archiver_list_spec=
 else
   archiver_list_spec=$lt_cv_ar_at_file
@@ -6560,7 +6862,7 @@
 
 if test -n "$RANLIB"; then
   case $host_os in
-  openbsd*)
+  bitrig* | openbsd*)
     old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
     ;;
   *)
@@ -6650,7 +6952,7 @@
   symcode='[ABCDGISTW]'
   ;;
 hpux*)
-  if test "$host_cpu" = ia64; then
+  if test ia64 = "$host_cpu"; then
     symcode='[ABCDEGRST]'
   fi
   ;;
@@ -6683,14 +6985,44 @@
   symcode='[ABCDGIRSTW]' ;;
 esac
 
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  # Gets list of data symbols to import.
+  lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'"
+  # Adjust the below global symbol transforms to fixup imported variables.
+  lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
+  lt_c_name_hook=" -e 's/^I .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
+  lt_c_name_lib_hook="\
+  -e 's/^I .* \(lib.*\)$/  {\"\1\", (void *) 0},/p'\
+  -e 's/^I .* \(.*\)$/  {\"lib\1\", (void *) 0},/p'"
+else
+  # Disable hooks by default.
+  lt_cv_sys_global_symbol_to_import=
+  lt_cdecl_hook=
+  lt_c_name_hook=
+  lt_c_name_lib_hook=
+fi
+
 # Transform an extracted symbol line into a proper C declaration.
 # Some systems (esp. on ia64) link data and code symbols differently,
 # so use this general approach.
-lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+lt_cv_sys_global_symbol_to_cdecl="sed -n"\
+$lt_cdecl_hook\
+" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
 
 # Transform an extracted symbol line into symbol name and symbol address
-lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"\2\", (void *) \&\2},/p'"
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/  {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/  {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/  {\"lib\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address="sed -n"\
+$lt_c_name_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/p'"
+
+# Transform an extracted symbol line into symbol name with lib prefix and
+# symbol address.
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\
+$lt_c_name_lib_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"lib\1\", (void *) \&\1},/p'"
 
 # Handle CRLF in mingw tool chain
 opt_cr=
@@ -6708,21 +7040,24 @@
 
   # Write the raw and C identifiers.
   if test "$lt_cv_nm_interface" = "MS dumpbin"; then
-    # Fake it for dumpbin and say T for any non-static function
-    # and D for any global variable.
+    # Fake it for dumpbin and say T for any non-static function,
+    # D for any global variable and I for any imported variable.
     # Also find C++ and __fastcall symbols from MSVC++,
     # which start with @ or ?.
     lt_cv_sys_global_symbol_pipe="$AWK '"\
 "     {last_section=section; section=\$ 3};"\
 "     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
 "     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
+"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
+"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
 "     \$ 0!~/External *\|/{next};"\
 "     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
 "     {if(hide[section]) next};"\
-"     {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
-"     {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
-"     s[1]~/^[@?]/{print s[1], s[1]; next};"\
-"     s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+"     {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
+"     {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
+"     s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
 "     ' prfx=^$ac_symprfx"
   else
     lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[	 ]\($symcode$symcode*\)[	 ][	 ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
@@ -6770,11 +7105,11 @@
 	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
 	  cat <<_LT_EOF > conftest.$ac_ext
 /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
-#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
-/* DATA imports from DLLs on WIN32 con't be const, because runtime
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
    relocations are performed -- see ld's documentation on pseudo-relocs.  */
 # define LT_DLSYM_CONST
-#elif defined(__osf__)
+#elif defined __osf__
 /* This system does not cope well with relocations in const data.  */
 # define LT_DLSYM_CONST
 #else
@@ -6800,7 +7135,7 @@
 {
   { "@PROGRAM@", (void *) 0 },
 _LT_EOF
-	  $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  $SED "s/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
 	  cat <<\_LT_EOF >> conftest.$ac_ext
   {0, (void *) 0}
 };
@@ -6820,13 +7155,13 @@
 	  mv conftest.$ac_objext conftstm.$ac_objext
 	  lt_globsym_save_LIBS=$LIBS
 	  lt_globsym_save_CFLAGS=$CFLAGS
-	  LIBS="conftstm.$ac_objext"
+	  LIBS=conftstm.$ac_objext
 	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
 	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s conftest${ac_exeext}; then
+  test $ac_status = 0; } && test -s conftest$ac_exeext; then
 	    pipe_works=yes
 	  fi
 	  LIBS=$lt_globsym_save_LIBS
@@ -6847,7 +7182,7 @@
   rm -rf conftest* conftst*
 
   # Do not use the global_symbol_pipe unless it works.
-  if test "$pipe_works" = yes; then
+  if test yes = "$pipe_works"; then
     break
   else
     lt_cv_sys_global_symbol_pipe=
@@ -6900,6 +7235,16 @@
 
 
 
+
+
+
+
+
+
+
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
 $as_echo_n "checking for sysroot... " >&6; }
 
@@ -6912,9 +7257,9 @@
 
 
 lt_sysroot=
-case ${with_sysroot} in #(
+case $with_sysroot in #(
  yes)
-   if test "$GCC" = yes; then
+   if test yes = "$GCC"; then
      lt_sysroot=`$CC --print-sysroot 2>/dev/null`
    fi
    ;; #(
@@ -6924,8 +7269,8 @@
  no|'')
    ;; #(
  *)
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5
-$as_echo "${with_sysroot}" >&6; }
+   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5
+$as_echo "$with_sysroot" >&6; }
    as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
    ;;
 esac
@@ -6937,18 +7282,99 @@
 
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
+$as_echo_n "checking for a working dd... " >&6; }
+if ${ac_cv_path_lt_DD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+if test -z "$lt_DD"; then
+  ac_path_lt_DD_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in dd; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_lt_DD" || continue
+if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi
+      $ac_path_lt_DD_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_lt_DD"; then
+    :
+  fi
+else
+  ac_cv_path_lt_DD=$lt_DD
+fi
+
+rm -f conftest.i conftest2.i conftest.out
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
+$as_echo "$ac_cv_path_lt_DD" >&6; }
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
+$as_echo_n "checking how to truncate binary pipes... " >&6; }
+if ${lt_cv_truncate_bin+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
+$as_echo "$lt_cv_truncate_bin" >&6; }
+
+
+
+
+
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
 # Check whether --enable-libtool-lock was given.
 if test "${enable_libtool_lock+set}" = set; then :
   enableval=$enable_libtool_lock;
 fi
 
-test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+test no = "$enable_libtool_lock" || enable_libtool_lock=yes
 
 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
 case $host in
 ia64-*-hpux*)
-  # Find out which ABI we are using.
+  # Find out what ABI is being produced by ac_compile, and set mode
+  # options accordingly.
   echo 'int i;' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
@@ -6957,24 +7383,25 @@
   test $ac_status = 0; }; then
     case `/usr/bin/file conftest.$ac_objext` in
       *ELF-32*)
-	HPUX_IA64_MODE="32"
+	HPUX_IA64_MODE=32
 	;;
       *ELF-64*)
-	HPUX_IA64_MODE="64"
+	HPUX_IA64_MODE=64
 	;;
     esac
   fi
   rm -rf conftest*
   ;;
 *-*-irix6*)
-  # Find out which ABI we are using.
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
   echo '#line '$LINENO' "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-    if test "$lt_cv_prog_gnu_ld" = yes; then
+    if test yes = "$lt_cv_prog_gnu_ld"; then
       case `/usr/bin/file conftest.$ac_objext` in
 	*32-bit*)
 	  LD="${LD-ld} -melf32bsmip"
@@ -7003,9 +7430,50 @@
   rm -rf conftest*
   ;;
 
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '#line '$LINENO' "configure"' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+    emul=elf
+    case `/usr/bin/file conftest.$ac_objext` in
+      *32-bit*)
+	emul="${emul}32"
+	;;
+      *64-bit*)
+	emul="${emul}64"
+	;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *MSB*)
+	emul="${emul}btsmip"
+	;;
+      *LSB*)
+	emul="${emul}ltsmip"
+	;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *N32*)
+	emul="${emul}n32"
+	;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
 s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
-  # Find out which ABI we are using.
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.  Note that the listed cases only cover the
+  # situations where additional linker options are needed (such as when
+  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
+  # vice versa); the common cases where no linker options are needed do
+  # not appear in the list.
   echo 'int i;' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
@@ -7019,9 +7487,19 @@
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
-	  ppc64-*linux*|powerpc64-*linux*)
+	  powerpc64le-*linux*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
 	    ;;
 	  s390x-*linux*)
@@ -7040,7 +7518,10 @@
 	  x86_64-*linux*)
 	    LD="${LD-ld} -m elf_x86_64"
 	    ;;
-	  ppc*-*linux*|powerpc*-*linux*)
+	  powerpcle-*linux*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*linux*)
 	    LD="${LD-ld} -m elf64ppc"
 	    ;;
 	  s390*-*linux*|s390*-*tpf*)
@@ -7058,7 +7539,7 @@
 
 *-*-sco3.2v5*)
   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
-  SAVE_CFLAGS="$CFLAGS"
+  SAVE_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS -belf"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
 $as_echo_n "checking whether the C compiler needs -belf... " >&6; }
@@ -7098,13 +7579,14 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
 $as_echo "$lt_cv_cc_needs_belf" >&6; }
-  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+  if test yes != "$lt_cv_cc_needs_belf"; then
     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
-    CFLAGS="$SAVE_CFLAGS"
+    CFLAGS=$SAVE_CFLAGS
   fi
   ;;
 *-*solaris*)
-  # Find out which ABI we are using.
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
   echo 'int i;' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
@@ -7116,7 +7598,7 @@
       case $lt_cv_prog_gnu_ld in
       yes*)
         case $host in
-        i?86-*-solaris*)
+        i?86-*-solaris*|x86_64-*-solaris*)
           LD="${LD-ld} -m elf_x86_64"
           ;;
         sparc*-*-solaris*)
@@ -7125,7 +7607,7 @@
         esac
         # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
         if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
-          LD="${LD-ld}_sol2"
+          LD=${LD-ld}_sol2
         fi
         ;;
       *)
@@ -7141,7 +7623,7 @@
   ;;
 esac
 
-need_locks="$enable_libtool_lock"
+need_locks=$enable_libtool_lock
 
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
@@ -7252,7 +7734,7 @@
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
 $as_echo "$lt_cv_path_mainfest_tool" >&6; }
-if test "x$lt_cv_path_mainfest_tool" != xyes; then
+if test yes != "$lt_cv_path_mainfest_tool"; then
   MANIFEST_TOOL=:
 fi
 
@@ -7755,7 +8237,7 @@
   $as_echo_n "(cached) " >&6
 else
   lt_cv_apple_cc_single_mod=no
-      if test -z "${LT_MULTI_MODULE}"; then
+      if test -z "$LT_MULTI_MODULE"; then
 	# By default we will add the -single_module flag. You can override
 	# by either setting the environment variable LT_MULTI_MODULE
 	# non-empty at configure time, or by adding -multi_module to the
@@ -7773,7 +8255,7 @@
 	  cat conftest.err >&5
 	# Otherwise, if the output was created with a 0 exit code from
 	# the compiler, it worked.
-	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
 	  lt_cv_apple_cc_single_mod=yes
 	else
 	  cat conftest.err >&5
@@ -7812,7 +8294,7 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-	LDFLAGS="$save_LDFLAGS"
+	LDFLAGS=$save_LDFLAGS
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
@@ -7841,7 +8323,7 @@
       _lt_result=$?
       if test -s conftest.err && $GREP force_load conftest.err; then
 	cat conftest.err >&5
-      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
 	lt_cv_ld_force_load=yes
       else
 	cat conftest.err >&5
@@ -7854,32 +8336,32 @@
 $as_echo "$lt_cv_ld_force_load" >&6; }
     case $host_os in
     rhapsody* | darwin1.[012])
-      _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
     darwin1.*)
-      _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
     darwin*) # darwin 5.x on
       # if running on 10.5 or later, the deployment target defaults
       # to the OS version, if on x86, and 10.4, the deployment
       # target defaults to 10.4. Don't you love it?
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
-	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[012]*)
-	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+	10.[012][,.]*)
+	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
 	10.*)
-	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
       esac
     ;;
   esac
-    if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+    if test yes = "$lt_cv_apple_cc_single_mod"; then
       _lt_dar_single_mod='$single_module'
     fi
-    if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
-      _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+    if test yes = "$lt_cv_ld_exported_symbols_list"; then
+      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
     else
-      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
     fi
-    if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
+    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
       _lt_dsymutil='~$DSYMUTIL $lib || :'
     else
       _lt_dsymutil=
@@ -7887,134 +8369,40 @@
     ;;
   esac
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
 {
-
-  ;
-  return 0;
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
 }
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
-"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
 
 for ac_header in dlfcn.h
 do :
@@ -8052,14 +8440,14 @@
     *)
       enable_shared=no
       # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
       for pkg in $enableval; do
-	IFS="$lt_save_ifs"
+	IFS=$lt_save_ifs
 	if test "X$pkg" = "X$p"; then
 	  enable_shared=yes
 	fi
       done
-      IFS="$lt_save_ifs"
+      IFS=$lt_save_ifs
       ;;
     esac
 else
@@ -8083,14 +8471,14 @@
     *)
      enable_static=no
       # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
       for pkg in $enableval; do
-	IFS="$lt_save_ifs"
+	IFS=$lt_save_ifs
 	if test "X$pkg" = "X$p"; then
 	  enable_static=yes
 	fi
       done
-      IFS="$lt_save_ifs"
+      IFS=$lt_save_ifs
       ;;
     esac
 else
@@ -8114,14 +8502,14 @@
     *)
       pic_mode=default
       # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
       for lt_pkg in $withval; do
-	IFS="$lt_save_ifs"
+	IFS=$lt_save_ifs
 	if test "X$lt_pkg" = "X$lt_p"; then
 	  pic_mode=yes
 	fi
       done
-      IFS="$lt_save_ifs"
+      IFS=$lt_save_ifs
       ;;
     esac
 else
@@ -8129,8 +8517,6 @@
 fi
 
 
-test -z "$pic_mode" && pic_mode=default
-
 
 
 
@@ -8146,14 +8532,14 @@
     *)
       enable_fast_install=no
       # Look at the argument we got.  We use all the common list separators.
-      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
       for pkg in $enableval; do
-	IFS="$lt_save_ifs"
+	IFS=$lt_save_ifs
 	if test "X$pkg" = "X$p"; then
 	  enable_fast_install=yes
 	fi
       done
-      IFS="$lt_save_ifs"
+      IFS=$lt_save_ifs
       ;;
     esac
 else
@@ -8167,11 +8553,63 @@
 
 
 
+  shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[5-9]*,yes)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
+$as_echo_n "checking which variant of shared library versioning to provide... " >&6; }
+
+# Check whether --with-aix-soname was given.
+if test "${with_aix_soname+set}" = set; then :
+  withval=$with_aix_soname; case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname
+else
+  if ${lt_cv_with_aix_soname+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_with_aix_soname=aix
+fi
+
+    with_aix_soname=$lt_cv_with_aix_soname
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
+$as_echo "$with_aix_soname" >&6; }
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+
+
+
+
+
+
 
 
 
 # This can be used to rebuild libtool when needed
-LIBTOOL_DEPS="$ltmain"
+LIBTOOL_DEPS=$ltmain
 
 # Always use our own libtool.
 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
@@ -8220,7 +8658,7 @@
 
 
 
-if test -n "${ZSH_VERSION+set}" ; then
+if test -n "${ZSH_VERSION+set}"; then
    setopt NO_GLOB_SUBST
 fi
 
@@ -8259,7 +8697,7 @@
   # AIX sometimes has problems with the GCC collect2 program.  For some
   # reason, if we set the COLLECT_NAMES environment variable, the problems
   # vanish in a puff of smoke.
-  if test "X${COLLECT_NAMES+set}" != Xset; then
+  if test set != "${COLLECT_NAMES+set}"; then
     COLLECT_NAMES=
     export COLLECT_NAMES
   fi
@@ -8270,14 +8708,14 @@
 ofile=libtool
 can_build_shared=yes
 
-# All known linkers require a `.a' archive for static linking (except MSVC,
+# All known linkers require a '.a' archive for static linking (except MSVC,
 # which needs '.lib').
 libext=a
 
-with_gnu_ld="$lt_cv_prog_gnu_ld"
+with_gnu_ld=$lt_cv_prog_gnu_ld
 
-old_CC="$CC"
-old_CFLAGS="$CFLAGS"
+old_CC=$CC
+old_CFLAGS=$CFLAGS
 
 # Set sane defaults for various variables
 test -z "$CC" && CC=cc
@@ -8286,15 +8724,8 @@
 test -z "$LD" && LD=ld
 test -z "$ac_objext" && ac_objext=o
 
-for cc_temp in $compiler""; do
-  case $cc_temp in
-    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
-    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
-    \-*) ;;
-    *) break;;
-  esac
-done
-cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+func_cc_basename $compiler
+cc_basename=$func_cc_basename_result
 
 
 # Only perform the check for file, if the check method requires it
@@ -8309,22 +8740,22 @@
 else
   case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
-  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
 *)
-  lt_save_MAGIC_CMD="$MAGIC_CMD"
-  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
   for ac_dir in $ac_dummy; do
-    IFS="$lt_save_ifs"
+    IFS=$lt_save_ifs
     test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/${ac_tool_prefix}file; then
-      lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file"
+    if test -f "$ac_dir/${ac_tool_prefix}file"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file"
       if test -n "$file_magic_test_file"; then
 	case $deplibs_check_method in
 	"file_magic "*)
 	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
-	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
 	    $EGREP "$file_magic_regex" > /dev/null; then
 	    :
@@ -8347,13 +8778,13 @@
       break
     fi
   done
-  IFS="$lt_save_ifs"
-  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
 esac
 fi
 
-MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 if test -n "$MAGIC_CMD"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
 $as_echo "$MAGIC_CMD" >&6; }
@@ -8375,22 +8806,22 @@
 else
   case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
-  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
 *)
-  lt_save_MAGIC_CMD="$MAGIC_CMD"
-  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
   for ac_dir in $ac_dummy; do
-    IFS="$lt_save_ifs"
+    IFS=$lt_save_ifs
     test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/file; then
-      lt_cv_path_MAGIC_CMD="$ac_dir/file"
+    if test -f "$ac_dir/file"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"file"
       if test -n "$file_magic_test_file"; then
 	case $deplibs_check_method in
 	"file_magic "*)
 	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
-	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
 	    $EGREP "$file_magic_regex" > /dev/null; then
 	    :
@@ -8413,13 +8844,13 @@
       break
     fi
   done
-  IFS="$lt_save_ifs"
-  MAGIC_CMD="$lt_save_MAGIC_CMD"
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
 esac
 fi
 
-MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
 if test -n "$MAGIC_CMD"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
 $as_echo "$MAGIC_CMD" >&6; }
@@ -8440,7 +8871,7 @@
 
 # Use C for the default configuration in the libtool script
 
-lt_save_CC="$CC"
+lt_save_CC=$CC
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8502,7 +8933,7 @@
 
 lt_prog_compiler_no_builtin_flag=
 
-if test "$GCC" = yes; then
+if test yes = "$GCC"; then
   case $cc_basename in
   nvcc*)
     lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
@@ -8518,7 +8949,7 @@
   lt_cv_prog_compiler_rtti_exceptions=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="-fno-rtti -fno-exceptions"
+   lt_compiler_flag="-fno-rtti -fno-exceptions"  ## exclude from sc_useless_quotes_in_assignment
    # Insert the option either (1) after the last *FLAGS variable, or
    # (2) before a word containing "conftest.", or (3) at the end.
    # Note that $ac_compile itself does not contain backslashes and begins
@@ -8548,7 +8979,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
 $as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
 
-if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then
     lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
 else
     :
@@ -8566,17 +8997,18 @@
 lt_prog_compiler_static=
 
 
-  if test "$GCC" = yes; then
+  if test yes = "$GCC"; then
     lt_prog_compiler_wl='-Wl,'
     lt_prog_compiler_static='-static'
 
     case $host_os in
       aix*)
       # All AIX code is PIC.
-      if test "$host_cpu" = ia64; then
+      if test ia64 = "$host_cpu"; then
 	# AIX 5 now supports IA64 processor
 	lt_prog_compiler_static='-Bstatic'
       fi
+      lt_prog_compiler_pic='-fPIC'
       ;;
 
     amigaos*)
@@ -8587,8 +9019,8 @@
         ;;
       m68k)
             # FIXME: we need at least 68020 code to build shared libraries, but
-            # adding the `-m68020' flag to GCC prevents building anything better,
-            # like `-m68040'.
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
             lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
         ;;
       esac
@@ -8604,6 +9036,11 @@
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
       # (--disable-auto-import) libraries
       lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+	lt_prog_compiler_static='$wl-static'
+	;;
+      esac
       ;;
 
     darwin* | rhapsody*)
@@ -8674,7 +9111,7 @@
     case $host_os in
     aix*)
       lt_prog_compiler_wl='-Wl,'
-      if test "$host_cpu" = ia64; then
+      if test ia64 = "$host_cpu"; then
 	# AIX 5 now supports IA64 processor
 	lt_prog_compiler_static='-Bstatic'
       else
@@ -8682,10 +9119,29 @@
       fi
       ;;
 
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      lt_prog_compiler_pic='-fno-common'
+      case $cc_basename in
+      nagfor*)
+        # NAG Fortran compiler
+        lt_prog_compiler_wl='-Wl,-Wl,,'
+        lt_prog_compiler_pic='-PIC'
+        lt_prog_compiler_static='-Bstatic'
+        ;;
+      esac
+      ;;
+
     mingw* | cygwin* | pw32* | os2* | cegcc*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
       lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+	lt_prog_compiler_static='$wl-static'
+	;;
+      esac
       ;;
 
     hpux9* | hpux10* | hpux11*)
@@ -8701,7 +9157,7 @@
 	;;
       esac
       # Is there a better lt_prog_compiler_static that works with the bundled CC?
-      lt_prog_compiler_static='${wl}-a ${wl}archive'
+      lt_prog_compiler_static='$wl-a ${wl}archive'
       ;;
 
     irix5* | irix6* | nonstopux*)
@@ -8710,9 +9166,9 @@
       lt_prog_compiler_static='-non_shared'
       ;;
 
-    linux* | k*bsd*-gnu | kopensolaris*-gnu)
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
       case $cc_basename in
-      # old Intel for x86_64 which still supported -KPIC.
+      # old Intel for x86_64, which still supported -KPIC.
       ecc*)
 	lt_prog_compiler_wl='-Wl,'
 	lt_prog_compiler_pic='-KPIC'
@@ -8737,6 +9193,12 @@
 	lt_prog_compiler_pic='-PIC'
 	lt_prog_compiler_static='-Bstatic'
 	;;
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	lt_prog_compiler_wl='-Wl,'
+	lt_prog_compiler_pic='-fPIC'
+	lt_prog_compiler_static='-static'
+	;;
       pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
         # Portland Group compilers (*not* the Pentium gcc compiler,
 	# which looks to be a dead project)
@@ -8834,7 +9296,7 @@
       ;;
 
     sysv4*MP*)
-      if test -d /usr/nec ;then
+      if test -d /usr/nec; then
 	lt_prog_compiler_pic='-Kconform_pic'
 	lt_prog_compiler_static='-Bstatic'
       fi
@@ -8863,7 +9325,7 @@
   fi
 
 case $host_os in
-  # For platforms which do not support PIC, -DPIC is meaningless:
+  # For platforms that do not support PIC, -DPIC is meaningless:
   *djgpp*)
     lt_prog_compiler_pic=
     ;;
@@ -8895,7 +9357,7 @@
   lt_cv_prog_compiler_pic_works=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
-   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
+   lt_compiler_flag="$lt_prog_compiler_pic -DPIC"  ## exclude from sc_useless_quotes_in_assignment
    # Insert the option either (1) after the last *FLAGS variable, or
    # (2) before a word containing "conftest.", or (3) at the end.
    # Note that $ac_compile itself does not contain backslashes and begins
@@ -8925,7 +9387,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
 $as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
 
-if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
+if test yes = "$lt_cv_prog_compiler_pic_works"; then
     case $lt_prog_compiler_pic in
      "" | " "*) ;;
      *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
@@ -8957,7 +9419,7 @@
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_static_works=no
-   save_LDFLAGS="$LDFLAGS"
+   save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
    if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
@@ -8976,13 +9438,13 @@
      fi
    fi
    $RM -r conftest*
-   LDFLAGS="$save_LDFLAGS"
+   LDFLAGS=$save_LDFLAGS
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
 $as_echo "$lt_cv_prog_compiler_static_works" >&6; }
 
-if test x"$lt_cv_prog_compiler_static_works" = xyes; then
+if test yes = "$lt_cv_prog_compiler_static_works"; then
     :
 else
     lt_prog_compiler_static=
@@ -9102,8 +9564,8 @@
 
 
 
-hard_links="nottested"
-if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
+hard_links=nottested
+if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then
   # do not overwrite the value of need_locks provided by the user
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
 $as_echo_n "checking if we can lock with hard links... " >&6; }
@@ -9115,9 +9577,9 @@
   ln conftest.a conftest.b 2>/dev/null && hard_links=no
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
 $as_echo "$hard_links" >&6; }
-  if test "$hard_links" = no; then
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
-$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+  if test no = "$hard_links"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;}
     need_locks=warn
   fi
 else
@@ -9160,9 +9622,9 @@
   # included in the symbol list
   include_expsyms=
   # exclude_expsyms can be an extended regexp of symbols to exclude
-  # it will be wrapped by ` (' and `)$', so one must not match beginning or
-  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
-  # as well as any symbol that contains `d'.
+  # it will be wrapped by ' (' and ')$', so one must not match beginning or
+  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
+  # as well as any symbol that contains 'd'.
   exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
   # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
   # platforms (ab)use it in PIC code, but their linkers get confused if
@@ -9177,7 +9639,7 @@
     # FIXME: the MSVC++ port hasn't been tested in a loooong time
     # When not using gcc, we currently assume that we are using
     # Microsoft Visual C++.
-    if test "$GCC" != yes; then
+    if test yes != "$GCC"; then
       with_gnu_ld=no
     fi
     ;;
@@ -9185,7 +9647,7 @@
     # we just hope/assume this is gcc and not c89 (= MSVC++)
     with_gnu_ld=yes
     ;;
-  openbsd*)
+  openbsd* | bitrig*)
     with_gnu_ld=no
     ;;
   esac
@@ -9195,7 +9657,7 @@
   # On some targets, GNU ld is compatible enough with the native linker
   # that we're better off using the native interface for both.
   lt_use_gnu_ld_interface=no
-  if test "$with_gnu_ld" = yes; then
+  if test yes = "$with_gnu_ld"; then
     case $host_os in
       aix*)
 	# The AIX port of GNU ld has always aspired to compatibility
@@ -9217,24 +9679,24 @@
     esac
   fi
 
-  if test "$lt_use_gnu_ld_interface" = yes; then
+  if test yes = "$lt_use_gnu_ld_interface"; then
     # If archive_cmds runs LD, not CC, wlarc should be empty
-    wlarc='${wl}'
+    wlarc='$wl'
 
     # Set some defaults for GNU ld with shared library support. These
     # are reset later if shared libraries are not supported. Putting them
     # here allows them to be overridden if necessary.
     runpath_var=LD_RUN_PATH
-    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
-    export_dynamic_flag_spec='${wl}--export-dynamic'
+    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+    export_dynamic_flag_spec='$wl--export-dynamic'
     # ancient GNU ld didn't support --whole-archive et. al.
     if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
-      whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+      whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
     else
       whole_archive_flag_spec=
     fi
     supports_anon_versioning=no
-    case `$LD -v 2>&1` in
+    case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in
       *GNU\ gold*) supports_anon_versioning=yes ;;
       *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
       *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
@@ -9247,7 +9709,7 @@
     case $host_os in
     aix[3-9]*)
       # On AIX/PPC, the GNU linker is very broken
-      if test "$host_cpu" != ia64; then
+      if test ia64 != "$host_cpu"; then
 	ld_shlibs=no
 	cat <<_LT_EOF 1>&2
 
@@ -9266,7 +9728,7 @@
       case $host_cpu in
       powerpc)
             # see comment about AmigaOS4 .so support
-            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
             archive_expsym_cmds=''
         ;;
       m68k)
@@ -9282,7 +9744,7 @@
 	allow_undefined_flag=unsupported
 	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
 	# support --undefined.  This deserves some investigation.  FIXME
-	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
       else
 	ld_shlibs=no
       fi
@@ -9292,7 +9754,7 @@
       # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
       # as there is no search path for DLLs.
       hardcode_libdir_flag_spec='-L$libdir'
-      export_dynamic_flag_spec='${wl}--export-all-symbols'
+      export_dynamic_flag_spec='$wl--export-all-symbols'
       allow_undefined_flag=unsupported
       always_export_symbols=no
       enable_shared_with_static_runtimes=yes
@@ -9300,61 +9762,89 @@
       exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
 
       if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
-        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
-	# If the export-symbols file already is a .def file (1st line
-	# is EXPORTS), use it as is; otherwise, prepend...
-	archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
-	  cp $export_symbols $output_objdir/$soname.def;
-	else
-	  echo EXPORTS > $output_objdir/$soname.def;
-	  cat $export_symbols >> $output_objdir/$soname.def;
-	fi~
-	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file, use it as
+	# is; otherwise, prepend EXPORTS...
+	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+          cp $export_symbols $output_objdir/$soname.def;
+        else
+          echo EXPORTS > $output_objdir/$soname.def;
+          cat $export_symbols >> $output_objdir/$soname.def;
+        fi~
+        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
       else
 	ld_shlibs=no
       fi
       ;;
 
     haiku*)
-      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
       link_all_deplibs=yes
       ;;
 
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
+      ;;
+
     interix[3-9]*)
       hardcode_direct=no
       hardcode_shlibpath_var=no
-      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
-      export_dynamic_flag_spec='${wl}-E'
+      hardcode_libdir_flag_spec='$wl-rpath,$libdir'
+      export_dynamic_flag_spec='$wl-E'
       # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
       # Instead, shared libraries are loaded at an image base (0x10000000 by
       # default) and relocated if they conflict, which is a slow very memory
       # consuming and fragmenting process.  To avoid this, we pick a random,
       # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
       # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
-      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
-      archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
       ;;
 
     gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
       tmp_diet=no
-      if test "$host_os" = linux-dietlibc; then
+      if test linux-dietlibc = "$host_os"; then
 	case $cc_basename in
 	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
 	esac
       fi
       if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
-	 && test "$tmp_diet" = no
+	 && test no = "$tmp_diet"
       then
 	tmp_addflag=' $pic_flag'
 	tmp_sharedflag='-shared'
 	case $cc_basename,$host_cpu in
         pgcc*)				# Portland Group C compiler
-	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
 	  tmp_addflag=' $pic_flag'
 	  ;;
 	pgf77* | pgf90* | pgf95* | pgfortran*)
 					# Portland Group f77 and f90 compilers
-	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
 	  tmp_addflag=' $pic_flag -Mnomain' ;;
 	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
 	  tmp_addflag=' -i_dynamic' ;;
@@ -9365,42 +9855,47 @@
 	lf95*)				# Lahey Fortran 8.1
 	  whole_archive_flag_spec=
 	  tmp_sharedflag='--shared' ;;
+        nagfor*)                        # NAGFOR 5.3
+          tmp_sharedflag='-Wl,-shared' ;;
 	xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below)
 	  tmp_sharedflag='-qmkshrobj'
 	  tmp_addflag= ;;
 	nvcc*)	# Cuda Compiler Driver 2.2
-	  whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
 	  compiler_needs_object=yes
 	  ;;
 	esac
 	case `$CC -V 2>&1 | sed 5q` in
 	*Sun\ C*)			# Sun C 5.9
-	  whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+	  whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
 	  compiler_needs_object=yes
 	  tmp_sharedflag='-G' ;;
 	*Sun\ F*)			# Sun Fortran 8.3
 	  tmp_sharedflag='-G' ;;
 	esac
-	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+	archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
 
-        if test "x$supports_anon_versioning" = xyes; then
+        if test yes = "$supports_anon_versioning"; then
           archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
-	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
-	    echo "local: *; };" >> $output_objdir/$libname.ver~
-	    $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+            cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+            echo "local: *; };" >> $output_objdir/$libname.ver~
+            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
         fi
 
 	case $cc_basename in
+	tcc*)
+	  export_dynamic_flag_spec='-rdynamic'
+	  ;;
 	xlf* | bgf* | bgxlf* | mpixlf*)
 	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
 	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
-	  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+	  hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
 	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
-	  if test "x$supports_anon_versioning" = xyes; then
+	  if test yes = "$supports_anon_versioning"; then
 	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
-	      cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
-	      echo "local: *; };" >> $output_objdir/$libname.ver~
-	      $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+              cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+              echo "local: *; };" >> $output_objdir/$libname.ver~
+              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
 	  fi
 	  ;;
 	esac
@@ -9414,8 +9909,8 @@
 	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
       else
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
       fi
       ;;
 
@@ -9433,8 +9928,8 @@
 
 _LT_EOF
       elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
       else
 	ld_shlibs=no
       fi
@@ -9446,7 +9941,7 @@
 	ld_shlibs=no
 	cat <<_LT_EOF 1>&2
 
-*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
 *** reliably create shared libraries on SCO systems.  Therefore, libtool
 *** is disabling shared libraries support.  We urge you to upgrade GNU
 *** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
@@ -9461,9 +9956,9 @@
 	  # DT_RUNPATH tag from executables and libraries.  But doing so
 	  # requires that you compile everything twice, which is a pain.
 	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
-	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	    hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
+	    archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
 	  else
 	    ld_shlibs=no
 	  fi
@@ -9480,15 +9975,15 @@
 
     *)
       if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
-	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
       else
 	ld_shlibs=no
       fi
       ;;
     esac
 
-    if test "$ld_shlibs" = no; then
+    if test no = "$ld_shlibs"; then
       runpath_var=
       hardcode_libdir_flag_spec=
       export_dynamic_flag_spec=
@@ -9504,7 +9999,7 @@
       # Note: this linker hardcodes the directories in LIBPATH if there
       # are no directories specified by -L.
       hardcode_minus_L=yes
-      if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
 	# Neither direct hardcoding nor static linking is supported with a
 	# broken collect2.
 	hardcode_direct=unsupported
@@ -9512,34 +10007,57 @@
       ;;
 
     aix[4-9]*)
-      if test "$host_cpu" = ia64; then
+      if test ia64 = "$host_cpu"; then
 	# On IA64, the linker does run time linking by default, so we don't
 	# have to do anything special.
 	aix_use_runtimelinking=no
 	exp_sym_flag='-Bexport'
-	no_entry_flag=""
+	no_entry_flag=
       else
 	# If we're using GNU nm, then we don't want the "-C" option.
-	# -C means demangle to AIX nm, but means don't demangle with GNU nm
-	# Also, AIX nm treats weak defined symbols like other global
-	# defined symbols, whereas GNU nm marks them as "W".
+	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
+	# Without the "-l" option, or with the "-B" option, AIX nm treats
+	# weak defined symbols like other global defined symbols, whereas
+	# GNU nm marks them as "W".
+	# While the 'weak' keyword is ignored in the Export File, we need
+	# it in the Import File for the 'aix-soname' feature, so we have
+	# to replace the "-B" option with "-P" for AIX nm.
 	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	  export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
 	else
-	  export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+	  export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
 	fi
 	aix_use_runtimelinking=no
 
 	# Test if we are trying to use run time linking or normal
 	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
-	# need to do runtime linking.
+	# have runtime linking enabled, and use it for executables.
+	# For shared libraries, we enable/disable runtime linking
+	# depending on the kind of the shared library created -
+	# when "with_aix_soname,aix_use_runtimelinking" is:
+	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "aix,yes"  lib.so          shared, rtl:yes, for executables
+	#            lib.a           static archive
+	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
+	#            lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a(lib.so.V) shared, rtl:no
+	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a           static archive
 	case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
 	  for ld_flag in $LDFLAGS; do
-	  if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
 	    aix_use_runtimelinking=yes
 	    break
 	  fi
 	  done
+	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	    # so we don't have lib.a shared libs to link our executables.
+	    # We have to force runtime linking in this case.
+	    aix_use_runtimelinking=yes
+	    LDFLAGS="$LDFLAGS -Wl,-brtl"
+	  fi
 	  ;;
 	esac
 
@@ -9558,13 +10076,21 @@
       hardcode_direct_absolute=yes
       hardcode_libdir_separator=':'
       link_all_deplibs=yes
-      file_list_spec='${wl}-f,'
+      file_list_spec='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+	# The Import File defines what to hardcode.
+	hardcode_direct=no
+	hardcode_direct_absolute=no
+	;;
+      esac
 
-      if test "$GCC" = yes; then
+      if test yes = "$GCC"; then
 	case $host_os in aix4.[012]|aix4.[012].*)
 	# We only want to do this on AIX 4.2 and lower, the check
 	# below for broken collect2 doesn't work under 4.3+
-	  collect2name=`${CC} -print-prog-name=collect2`
+	  collect2name=`$CC -print-prog-name=collect2`
 	  if test -f "$collect2name" &&
 	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
 	  then
@@ -9583,35 +10109,42 @@
 	  ;;
 	esac
 	shared_flag='-shared'
-	if test "$aix_use_runtimelinking" = yes; then
-	  shared_flag="$shared_flag "'${wl}-G'
+	if test yes = "$aix_use_runtimelinking"; then
+	  shared_flag="$shared_flag "'$wl-G'
 	fi
+	# Need to ensure runtime linking is disabled for the traditional
+	# shared library, or the linker may eventually find shared libraries
+	# /with/ Import File - we do not want to mix them.
+	shared_flag_aix='-shared'
+	shared_flag_svr4='-shared $wl-G'
       else
 	# not using gcc
-	if test "$host_cpu" = ia64; then
+	if test ia64 = "$host_cpu"; then
 	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
 	# chokes on -Wl,-G. The following line is correct:
 	  shared_flag='-G'
 	else
-	  if test "$aix_use_runtimelinking" = yes; then
-	    shared_flag='${wl}-G'
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag='$wl-G'
 	  else
-	    shared_flag='${wl}-bM:SRE'
+	    shared_flag='$wl-bM:SRE'
 	  fi
+	  shared_flag_aix='$wl-bM:SRE'
+	  shared_flag_svr4='$wl-G'
 	fi
       fi
 
-      export_dynamic_flag_spec='${wl}-bexpall'
+      export_dynamic_flag_spec='$wl-bexpall'
       # It seems that -bexpall does not export symbols beginning with
       # underscore (_), so it is better to generate a list of symbols to export.
       always_export_symbols=yes
-      if test "$aix_use_runtimelinking" = yes; then
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
 	# Warning - without using the other runtime loading flags (-brtl),
 	# -berok will link without error, but may produce a broken library.
 	allow_undefined_flag='-berok'
         # Determine the default libpath from the value encoded in an
         # empty executable.
-        if test "${lt_cv_aix_libpath+set}" = set; then
+        if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
   if ${lt_cv_aix_libpath_+:} false; then :
@@ -9646,7 +10179,7 @@
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
   if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_="/usr/lib:/lib"
+    lt_cv_aix_libpath_=/usr/lib:/lib
   fi
 
 fi
@@ -9654,17 +10187,17 @@
   aix_libpath=$lt_cv_aix_libpath_
 fi
 
-        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
-        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+        hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
+        archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
       else
-	if test "$host_cpu" = ia64; then
-	  hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+	if test ia64 = "$host_cpu"; then
+	  hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib'
 	  allow_undefined_flag="-z nodefs"
-	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
 	else
 	 # Determine the default libpath from the value encoded in an
 	 # empty executable.
-	 if test "${lt_cv_aix_libpath+set}" = set; then
+	 if test set = "${lt_cv_aix_libpath+set}"; then
   aix_libpath=$lt_cv_aix_libpath
 else
   if ${lt_cv_aix_libpath_+:} false; then :
@@ -9699,7 +10232,7 @@
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
   if test -z "$lt_cv_aix_libpath_"; then
-    lt_cv_aix_libpath_="/usr/lib:/lib"
+    lt_cv_aix_libpath_=/usr/lib:/lib
   fi
 
 fi
@@ -9707,21 +10240,33 @@
   aix_libpath=$lt_cv_aix_libpath_
 fi
 
-	 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+	 hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath"
 	  # Warning - without using the other run time loading flags,
 	  # -berok will link without error, but may produce a broken library.
-	  no_undefined_flag=' ${wl}-bernotok'
-	  allow_undefined_flag=' ${wl}-berok'
-	  if test "$with_gnu_ld" = yes; then
+	  no_undefined_flag=' $wl-bernotok'
+	  allow_undefined_flag=' $wl-berok'
+	  if test yes = "$with_gnu_ld"; then
 	    # We only use this code for GNU lds that support --whole-archive.
-	    whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+	    whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive'
 	  else
 	    # Exported symbols can be pulled into shared objects from archives
 	    whole_archive_flag_spec='$convenience'
 	  fi
 	  archive_cmds_need_lc=yes
-	  # This is similar to how AIX traditionally builds its shared libraries.
-	  archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+	  archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	  # -brtl affects multiple linker settings, -berok does not and is overridden later
+	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
+	  if test svr4 != "$with_aix_soname"; then
+	    # This is similar to how AIX traditionally builds its shared libraries.
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	  fi
+	  if test aix != "$with_aix_soname"; then
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	  else
+	    # used by -dlpreopen to get the symbols
+	    archive_expsym_cmds="$archive_expsym_cmds"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	  fi
+	  archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d'
 	fi
       fi
       ;;
@@ -9730,7 +10275,7 @@
       case $host_cpu in
       powerpc)
             # see comment about AmigaOS4 .so support
-            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+            archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
             archive_expsym_cmds=''
         ;;
       m68k)
@@ -9760,16 +10305,17 @@
 	# Tell ltmain to make .lib files, not .a files.
 	libext=lib
 	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=".dll"
+	shrext_cmds=.dll
 	# FIXME: Setting linknames here is a bad hack.
-	archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
-	archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
-	    sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
-	  else
-	    sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
-	  fi~
-	  $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
-	  linknames='
+	archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	archive_expsym_cmds='if   test DEF = "`$SED -n     -e '\''s/^[	 ]*//'\''     -e '\''/^\(;.*\)*$/d'\''     -e '\''s/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p'\''     -e q     $export_symbols`" ; then
+            cp "$export_symbols" "$output_objdir/$soname.def";
+            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+          else
+            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+          fi~
+          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+          linknames='
 	# The linker will not automatically build a static lib if we build a DLL.
 	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
 	enable_shared_with_static_runtimes=yes
@@ -9778,18 +10324,18 @@
 	# Don't use ranlib
 	old_postinstall_cmds='chmod 644 $oldlib'
 	postlink_cmds='lt_outputfile="@OUTPUT@"~
-	  lt_tool_outputfile="@TOOL_OUTPUT@"~
-	  case $lt_outputfile in
-	    *.exe|*.EXE) ;;
-	    *)
-	      lt_outputfile="$lt_outputfile.exe"
-	      lt_tool_outputfile="$lt_tool_outputfile.exe"
-	      ;;
-	  esac~
-	  if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
-	    $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
-	    $RM "$lt_outputfile.manifest";
-	  fi'
+          lt_tool_outputfile="@TOOL_OUTPUT@"~
+          case $lt_outputfile in
+            *.exe|*.EXE) ;;
+            *)
+              lt_outputfile=$lt_outputfile.exe
+              lt_tool_outputfile=$lt_tool_outputfile.exe
+              ;;
+          esac~
+          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+            $RM "$lt_outputfile.manifest";
+          fi'
 	;;
       *)
 	# Assume MSVC wrapper
@@ -9798,7 +10344,7 @@
 	# Tell ltmain to make .lib files, not .a files.
 	libext=lib
 	# Tell ltmain to make .dll files, not .so files.
-	shrext_cmds=".dll"
+	shrext_cmds=.dll
 	# FIXME: Setting linknames here is a bad hack.
 	archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
 	# The linker will automatically build a .lib file if we build a DLL.
@@ -9817,24 +10363,24 @@
   hardcode_direct=no
   hardcode_automatic=yes
   hardcode_shlibpath_var=unsupported
-  if test "$lt_cv_ld_force_load" = "yes"; then
-    whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+  if test yes = "$lt_cv_ld_force_load"; then
+    whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
 
   else
     whole_archive_flag_spec=''
   fi
   link_all_deplibs=yes
-  allow_undefined_flag="$_lt_dar_allow_undefined"
+  allow_undefined_flag=$_lt_dar_allow_undefined
   case $cc_basename in
-     ifort*) _lt_dar_can_shared=yes ;;
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
      *) _lt_dar_can_shared=$GCC ;;
   esac
-  if test "$_lt_dar_can_shared" = "yes"; then
+  if test yes = "$_lt_dar_can_shared"; then
     output_verbose_link_cmd=func_echo_all
-    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
-    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
-    archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
-    module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+    archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
 
   else
   ld_shlibs=no
@@ -9876,33 +10422,33 @@
       ;;
 
     hpux9*)
-      if test "$GCC" = yes; then
-	archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+      if test yes = "$GCC"; then
+	archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
       else
-	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+	archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
       fi
-      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      hardcode_libdir_flag_spec='$wl+b $wl$libdir'
       hardcode_libdir_separator=:
       hardcode_direct=yes
 
       # hardcode_minus_L: Not really in the search PATH,
       # but as the default location of the library.
       hardcode_minus_L=yes
-      export_dynamic_flag_spec='${wl}-E'
+      export_dynamic_flag_spec='$wl-E'
       ;;
 
     hpux10*)
-      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
-	archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
       else
 	archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
       fi
-      if test "$with_gnu_ld" = no; then
-	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      if test no = "$with_gnu_ld"; then
+	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
 	hardcode_libdir_separator=:
 	hardcode_direct=yes
 	hardcode_direct_absolute=yes
-	export_dynamic_flag_spec='${wl}-E'
+	export_dynamic_flag_spec='$wl-E'
 	# hardcode_minus_L: Not really in the search PATH,
 	# but as the default location of the library.
 	hardcode_minus_L=yes
@@ -9910,25 +10456,25 @@
       ;;
 
     hpux11*)
-      if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+      if test yes,no = "$GCC,$with_gnu_ld"; then
 	case $host_cpu in
 	hppa*64*)
-	  archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	ia64*)
-	  archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	*)
-	  archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	esac
       else
 	case $host_cpu in
 	hppa*64*)
-	  archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	ia64*)
-	  archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	*)
 
@@ -9940,7 +10486,7 @@
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler__b=no
-   save_LDFLAGS="$LDFLAGS"
+   save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS -b"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
    if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
@@ -9959,14 +10505,14 @@
      fi
    fi
    $RM -r conftest*
-   LDFLAGS="$save_LDFLAGS"
+   LDFLAGS=$save_LDFLAGS
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
 $as_echo "$lt_cv_prog_compiler__b" >&6; }
 
-if test x"$lt_cv_prog_compiler__b" = xyes; then
-    archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+if test yes = "$lt_cv_prog_compiler__b"; then
+    archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
 else
     archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
 fi
@@ -9974,8 +10520,8 @@
 	  ;;
 	esac
       fi
-      if test "$with_gnu_ld" = no; then
-	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+      if test no = "$with_gnu_ld"; then
+	hardcode_libdir_flag_spec='$wl+b $wl$libdir'
 	hardcode_libdir_separator=:
 
 	case $host_cpu in
@@ -9986,7 +10532,7 @@
 	*)
 	  hardcode_direct=yes
 	  hardcode_direct_absolute=yes
-	  export_dynamic_flag_spec='${wl}-E'
+	  export_dynamic_flag_spec='$wl-E'
 
 	  # hardcode_minus_L: Not really in the search PATH,
 	  # but as the default location of the library.
@@ -9997,8 +10543,8 @@
       ;;
 
     irix5* | irix6* | nonstopux*)
-      if test "$GCC" = yes; then
-	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
 	# Try to use the -exported_symbol ld option, if it does not
 	# work, assume that -exports_file does not work either and
 	# implicitly export all symbols.
@@ -10008,8 +10554,8 @@
 if ${lt_cv_irix_exported_symbol+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  save_LDFLAGS="$LDFLAGS"
-	   LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+  save_LDFLAGS=$LDFLAGS
+	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
 	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 int foo (void) { return 0; }
@@ -10021,24 +10567,34 @@
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-           LDFLAGS="$save_LDFLAGS"
+           LDFLAGS=$save_LDFLAGS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
 $as_echo "$lt_cv_irix_exported_symbol" >&6; }
-	if test "$lt_cv_irix_exported_symbol" = yes; then
-          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+	if test yes = "$lt_cv_irix_exported_symbol"; then
+          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
 	fi
       else
-	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
-	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
       fi
       archive_cmds_need_lc='no'
-      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
       hardcode_libdir_separator=:
       inherit_rpath=yes
       link_all_deplibs=yes
       ;;
 
+    linux*)
+      case $cc_basename in
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	ld_shlibs=yes
+	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      esac
+      ;;
+
     netbsd*)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
@@ -10053,7 +10609,7 @@
     newsos6)
       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
       hardcode_direct=yes
-      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
       hardcode_libdir_separator=:
       hardcode_shlibpath_var=no
       ;;
@@ -10061,27 +10617,19 @@
     *nto* | *qnx*)
       ;;
 
-    openbsd*)
+    openbsd* | bitrig*)
       if test -f /usr/libexec/ld.so; then
 	hardcode_direct=yes
 	hardcode_shlibpath_var=no
 	hardcode_direct_absolute=yes
-	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
 	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
-	  hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
-	  export_dynamic_flag_spec='${wl}-E'
+	  archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
+	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
+	  export_dynamic_flag_spec='$wl-E'
 	else
-	  case $host_os in
-	   openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
-	     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
-	     hardcode_libdir_flag_spec='-R$libdir'
-	     ;;
-	   *)
-	     archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
-	     hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
-	     ;;
-	  esac
+	  archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  hardcode_libdir_flag_spec='$wl-rpath,$libdir'
 	fi
       else
 	ld_shlibs=no
@@ -10092,33 +10640,53 @@
       hardcode_libdir_flag_spec='-L$libdir'
       hardcode_minus_L=yes
       allow_undefined_flag=unsupported
-      archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
-      old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
       ;;
 
     osf3*)
-      if test "$GCC" = yes; then
-	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
-	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+      if test yes = "$GCC"; then
+	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
       else
 	allow_undefined_flag=' -expect_unresolved \*'
-	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
       fi
       archive_cmds_need_lc='no'
-      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
       hardcode_libdir_separator=:
       ;;
 
     osf4* | osf5*)	# as osf3* with the addition of -msym flag
-      if test "$GCC" = yes; then
-	allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
-	archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
-	hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+      if test yes = "$GCC"; then
+	allow_undefined_flag=' $wl-expect_unresolved $wl\*'
+	archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	hardcode_libdir_flag_spec='$wl-rpath $wl$libdir'
       else
 	allow_undefined_flag=' -expect_unresolved \*'
-	archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+	archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
 	archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
-	$CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
 
 	# Both c and cxx compiler support -rpath directly
 	hardcode_libdir_flag_spec='-rpath $libdir'
@@ -10129,24 +10697,24 @@
 
     solaris*)
       no_undefined_flag=' -z defs'
-      if test "$GCC" = yes; then
-	wlarc='${wl}'
-	archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+      if test yes = "$GCC"; then
+	wlarc='$wl'
+	archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
 	archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-	  $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
       else
 	case `$CC -V 2>&1` in
 	*"Compilers 5.0"*)
 	  wlarc=''
-	  archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
 	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-	  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
 	  ;;
 	*)
-	  wlarc='${wl}'
-	  archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  wlarc='$wl'
+	  archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
 	  archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
-	  $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
 	  ;;
 	esac
       fi
@@ -10156,11 +10724,11 @@
       solaris2.[0-5] | solaris2.[0-5].*) ;;
       *)
 	# The compiler driver will combine and reorder linker options,
-	# but understands `-z linker_flag'.  GCC discards it without `$wl',
+	# but understands '-z linker_flag'.  GCC discards it without '$wl',
 	# but is careful enough not to reorder.
 	# Supported since Solaris 2.6 (maybe 2.5.1?)
-	if test "$GCC" = yes; then
-	  whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+	if test yes = "$GCC"; then
+	  whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
 	else
 	  whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
 	fi
@@ -10170,10 +10738,10 @@
       ;;
 
     sunos4*)
-      if test "x$host_vendor" = xsequent; then
+      if test sequent = "$host_vendor"; then
 	# Use $CC to link under sequent, because it throws in some extra .o
 	# files that make .init and .fini sections work.
-	archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
       else
 	archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
       fi
@@ -10222,43 +10790,43 @@
       ;;
 
     sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
-      no_undefined_flag='${wl}-z,text'
+      no_undefined_flag='$wl-z,text'
       archive_cmds_need_lc=no
       hardcode_shlibpath_var=no
       runpath_var='LD_RUN_PATH'
 
-      if test "$GCC" = yes; then
-	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
       else
-	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
       fi
       ;;
 
     sysv5* | sco3.2v5* | sco5v6*)
-      # Note: We can NOT use -z defs as we might desire, because we do not
+      # Note: We CANNOT use -z defs as we might desire, because we do not
       # link with -lc, and that would cause any symbols used from libc to
       # always be unresolved, which means just about no library would
       # ever link correctly.  If we're not using GNU ld we use -z text
       # though, which does catch some bad symbols but isn't as heavy-handed
       # as -z defs.
-      no_undefined_flag='${wl}-z,text'
-      allow_undefined_flag='${wl}-z,nodefs'
+      no_undefined_flag='$wl-z,text'
+      allow_undefined_flag='$wl-z,nodefs'
       archive_cmds_need_lc=no
       hardcode_shlibpath_var=no
-      hardcode_libdir_flag_spec='${wl}-R,$libdir'
+      hardcode_libdir_flag_spec='$wl-R,$libdir'
       hardcode_libdir_separator=':'
       link_all_deplibs=yes
-      export_dynamic_flag_spec='${wl}-Bexport'
+      export_dynamic_flag_spec='$wl-Bexport'
       runpath_var='LD_RUN_PATH'
 
-      if test "$GCC" = yes; then
-	archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      if test yes = "$GCC"; then
+	archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
       else
-	archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
-	archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
       fi
       ;;
 
@@ -10273,10 +10841,10 @@
       ;;
     esac
 
-    if test x$host_vendor = xsni; then
+    if test sni = "$host_vendor"; then
       case $host in
       sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
-	export_dynamic_flag_spec='${wl}-Blargedynsym'
+	export_dynamic_flag_spec='$wl-Blargedynsym'
 	;;
       esac
     fi
@@ -10284,7 +10852,7 @@
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
 $as_echo "$ld_shlibs" >&6; }
-test "$ld_shlibs" = no && can_build_shared=no
+test no = "$ld_shlibs" && can_build_shared=no
 
 with_gnu_ld=$with_gnu_ld
 
@@ -10310,7 +10878,7 @@
   # Assume -lc should be added
   archive_cmds_need_lc=yes
 
-  if test "$enable_shared" = yes && test "$GCC" = yes; then
+  if test yes,yes = "$GCC,$enable_shared"; then
     case $archive_cmds in
     *'~'*)
       # FIXME: we may have to deal with multi-command sequences.
@@ -10525,14 +11093,14 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
 $as_echo_n "checking dynamic linker characteristics... " >&6; }
 
-if test "$GCC" = yes; then
+if test yes = "$GCC"; then
   case $host_os in
-    darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
-    *) lt_awk_arg="/^libraries:/" ;;
+    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
+    *) lt_awk_arg='/^libraries:/' ;;
   esac
   case $host_os in
-    mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;;
-    *) lt_sed_strip_eq="s,=/,/,g" ;;
+    mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;;
+    *) lt_sed_strip_eq='s|=/|/|g' ;;
   esac
   lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
   case $lt_search_path_spec in
@@ -10548,28 +11116,35 @@
     ;;
   esac
   # Ok, now we have the path, separated by spaces, we can step through it
-  # and add multilib dir if necessary.
+  # and add multilib dir if necessary...
   lt_tmp_lt_search_path_spec=
-  lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  # ...but if some path component already ends with the multilib dir we assume
+  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
+  case "$lt_multi_os_dir; $lt_search_path_spec " in
+  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
+    lt_multi_os_dir=
+    ;;
+  esac
   for lt_sys_path in $lt_search_path_spec; do
-    if test -d "$lt_sys_path/$lt_multi_os_dir"; then
-      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
-    else
+    if test -d "$lt_sys_path$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
+    elif test -n "$lt_multi_os_dir"; then
       test -d "$lt_sys_path" && \
 	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
     fi
   done
   lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
-BEGIN {RS=" "; FS="/|\n";} {
-  lt_foo="";
-  lt_count=0;
+BEGIN {RS = " "; FS = "/|\n";} {
+  lt_foo = "";
+  lt_count = 0;
   for (lt_i = NF; lt_i > 0; lt_i--) {
     if ($lt_i != "" && $lt_i != ".") {
       if ($lt_i == "..") {
         lt_count++;
       } else {
         if (lt_count == 0) {
-          lt_foo="/" $lt_i lt_foo;
+          lt_foo = "/" $lt_i lt_foo;
         } else {
           lt_count--;
         }
@@ -10583,7 +11158,7 @@
   # for these hosts.
   case $host_os in
     mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
-      $SED 's,/\([A-Za-z]:\),\1,g'` ;;
+      $SED 's|/\([A-Za-z]:\)|\1|g'` ;;
   esac
   sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
 else
@@ -10592,7 +11167,7 @@
 library_names_spec=
 libname_spec='lib$name'
 soname_spec=
-shrext_cmds=".so"
+shrext_cmds=.so
 postinstall_cmds=
 postuninstall_cmds=
 finish_cmds=
@@ -10609,14 +11184,16 @@
 # flags to be left without arguments
 need_version=unknown
 
+
+
 case $host_os in
 aix3*)
   version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
   shlibpath_var=LIBPATH
 
   # AIX 3 has no versioning support, so we append a major version to the name.
-  soname_spec='${libname}${release}${shared_ext}$major'
+  soname_spec='$libname$release$shared_ext$major'
   ;;
 
 aix[4-9]*)
@@ -10624,41 +11201,91 @@
   need_lib_prefix=no
   need_version=no
   hardcode_into_libs=yes
-  if test "$host_cpu" = ia64; then
+  if test ia64 = "$host_cpu"; then
     # AIX 5 supports IA64
-    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
     shlibpath_var=LD_LIBRARY_PATH
   else
     # With GCC up to 2.95.x, collect2 would create an import file
     # for dependence libraries.  The import file would start with
-    # the line `#! .'.  This would cause the generated library to
-    # depend on `.', always an invalid library.  This was fixed in
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
     # development snapshots of GCC prior to 3.0.
     case $host_os in
       aix4 | aix4.[01] | aix4.[01].*)
       if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
 	   echo ' yes '
-	   echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
 	:
       else
 	can_build_shared=no
       fi
       ;;
     esac
-    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
     # soname into executable. Probably we can add versioning support to
     # collect2, so additional links can be useful in future.
-    if test "$aix_use_runtimelinking" = yes; then
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
       # If using run time linking (on AIX 4.2 or later) use lib<name>.so
       # instead of lib<name>.a to let people know that these are not
       # typical AIX shared libraries.
-      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    else
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a(lib.so.V)'
       # We preserve .a as extension for shared libraries through AIX4.2
       # and later when we are not doing run time linking.
-      library_names_spec='${libname}${release}.a $libname.a'
-      soname_spec='${libname}${release}${shared_ext}$major'
-    fi
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
     shlibpath_var=LIBPATH
   fi
   ;;
@@ -10668,18 +11295,18 @@
   powerpc)
     # Since July 2007 AmigaOS4 officially supports .so libraries.
     # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
     ;;
   m68k)
     library_names_spec='$libname.ixlibrary $libname.a'
     # Create ${libname}_ixlibrary.a entries in /sys/libs.
-    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
     ;;
   esac
   ;;
 
 beos*)
-  library_names_spec='${libname}${shared_ext}'
+  library_names_spec='$libname$shared_ext'
   dynamic_linker="$host_os ld.so"
   shlibpath_var=LIBRARY_PATH
   ;;
@@ -10687,8 +11314,8 @@
 bsdi[45]*)
   version_type=linux # correct to gnu/linux during the next big refactor
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
   shlibpath_var=LD_LIBRARY_PATH
   sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
@@ -10700,7 +11327,7 @@
 
 cygwin* | mingw* | pw32* | cegcc*)
   version_type=windows
-  shrext_cmds=".dll"
+  shrext_cmds=.dll
   need_version=no
   need_lib_prefix=no
 
@@ -10709,8 +11336,8 @@
     # gcc
     library_names_spec='$libname.dll.a'
     # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \${file}`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
       dldir=$destdir/`dirname \$dlpath`~
       test -d \$dldir || mkdir -p \$dldir~
       $install_prog $dir/$dlname \$dldir/$dlname~
@@ -10726,17 +11353,17 @@
     case $host_os in
     cygwin*)
       # Cygwin DLLs use 'cyg' prefix rather than 'lib'
-      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
 
       sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
       ;;
     mingw* | cegcc*)
       # MinGW DLLs use traditional 'lib' prefix
-      soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
       ;;
     pw32*)
       # pw32 DLLs use 'pw' prefix rather than 'lib'
-      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+      library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
       ;;
     esac
     dynamic_linker='Win32 ld.exe'
@@ -10745,8 +11372,8 @@
   *,cl*)
     # Native MSVC
     libname_spec='$name'
-    soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
-    library_names_spec='${libname}.dll.lib'
+    soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
 
     case $build_os in
     mingw*)
@@ -10773,7 +11400,7 @@
       sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
       ;;
     *)
-      sys_lib_search_path_spec="$LIB"
+      sys_lib_search_path_spec=$LIB
       if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
         # It is most probably a Windows format PATH.
         sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
@@ -10786,8 +11413,8 @@
     esac
 
     # DLL is installed to $(libdir)/../bin by postinstall_cmds
-    postinstall_cmds='base_file=`basename \${file}`~
-      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
       dldir=$destdir/`dirname \$dlpath`~
       test -d \$dldir || mkdir -p \$dldir~
       $install_prog $dir/$dlname \$dldir/$dlname'
@@ -10800,7 +11427,7 @@
 
   *)
     # Assume MSVC wrapper
-    library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+    library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib'
     dynamic_linker='Win32 ld.exe'
     ;;
   esac
@@ -10813,8 +11440,8 @@
   version_type=darwin
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
-  soname_spec='${libname}${release}${major}$shared_ext'
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
   shlibpath_overrides_runpath=yes
   shlibpath_var=DYLD_LIBRARY_PATH
   shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
@@ -10827,8 +11454,8 @@
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
@@ -10846,12 +11473,13 @@
   version_type=freebsd-$objformat
   case $version_type in
     freebsd-elf*)
-      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
       need_version=no
       need_lib_prefix=no
       ;;
     freebsd-*)
-      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
       need_version=yes
       ;;
   esac
@@ -10876,26 +11504,15 @@
   esac
   ;;
 
-gnu*)
-  version_type=linux # correct to gnu/linux during the next big refactor
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  shlibpath_overrides_runpath=no
-  hardcode_into_libs=yes
-  ;;
-
 haiku*)
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   dynamic_linker="$host_os runtime_loader"
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LIBRARY_PATH
-  shlibpath_overrides_runpath=yes
+  shlibpath_overrides_runpath=no
   sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
   hardcode_into_libs=yes
   ;;
@@ -10913,14 +11530,15 @@
     dynamic_linker="$host_os dld.so"
     shlibpath_var=LD_LIBRARY_PATH
     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
-    if test "X$HPUX_IA64_MODE" = X32; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
       sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
     else
       sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
     fi
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
   hppa*64*)
     shrext_cmds='.sl'
@@ -10928,8 +11546,8 @@
     dynamic_linker="$host_os dld.sl"
     shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
     sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
@@ -10938,8 +11556,8 @@
     dynamic_linker="$host_os dld.sl"
     shlibpath_var=SHLIB_PATH
     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
     ;;
   esac
   # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
@@ -10952,8 +11570,8 @@
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
@@ -10964,7 +11582,7 @@
   case $host_os in
     nonstopux*) version_type=nonstopux ;;
     *)
-	if test "$lt_cv_prog_gnu_ld" = yes; then
+	if test yes = "$lt_cv_prog_gnu_ld"; then
 		version_type=linux # correct to gnu/linux during the next big refactor
 	else
 		version_type=irix
@@ -10972,8 +11590,8 @@
   esac
   need_lib_prefix=no
   need_version=no
-  soname_spec='${libname}${release}${shared_ext}$major'
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
   case $host_os in
   irix5* | nonstopux*)
     libsuff= shlibsuff=
@@ -10992,8 +11610,8 @@
   esac
   shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
   shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
-  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
   hardcode_into_libs=yes
   ;;
 
@@ -11002,13 +11620,33 @@
   dynamic_linker=no
   ;;
 
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  hardcode_libdir_flag_spec='-L$libdir'
+  ;;
+
 # This must be glibc/ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
@@ -11052,14 +11690,15 @@
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Add ABI-specific directories to the system library path.
-  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
-
-  # Append ld.so.conf contents to the search path
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
-
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   fi
 
   # We used to test for /lib/ld.so.1 and disable shared libraries on
@@ -11076,12 +11715,12 @@
   need_lib_prefix=no
   need_version=no
   if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
     finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
     dynamic_linker='NetBSD (a.out) ld.so'
   else
-    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
-    soname_spec='${libname}${release}${shared_ext}$major'
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
     dynamic_linker='NetBSD ld.elf_so'
   fi
   shlibpath_var=LD_LIBRARY_PATH
@@ -11091,7 +11730,7 @@
 
 newsos6)
   version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
   ;;
@@ -11100,58 +11739,68 @@
   version_type=qnx
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
   dynamic_linker='ldqnx.so'
   ;;
 
-openbsd*)
+openbsd* | bitrig*)
   version_type=sunos
-  sys_lib_dlsearch_path_spec="/usr/lib"
+  sys_lib_dlsearch_path_spec=/usr/lib
   need_lib_prefix=no
-  # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
-  case $host_os in
-    openbsd3.3 | openbsd3.3.*)	need_version=yes ;;
-    *)				need_version=no  ;;
-  esac
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
   finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
   shlibpath_var=LD_LIBRARY_PATH
-  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
-    case $host_os in
-      openbsd2.[89] | openbsd2.[89].*)
-	shlibpath_overrides_runpath=no
-	;;
-      *)
-	shlibpath_overrides_runpath=yes
-	;;
-      esac
-  else
-    shlibpath_overrides_runpath=yes
-  fi
+  shlibpath_overrides_runpath=yes
   ;;
 
 os2*)
   libname_spec='$name'
-  shrext_cmds=".dll"
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
   need_lib_prefix=no
-  library_names_spec='$libname${shared_ext} $libname.a'
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
   dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=LIBPATH
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
   ;;
 
 osf3* | osf4* | osf5*)
   version_type=osf
   need_lib_prefix=no
   need_version=no
-  soname_spec='${libname}${release}${shared_ext}$major'
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
   shlibpath_var=LD_LIBRARY_PATH
   sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
-  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
   ;;
 
 rdos*)
@@ -11162,8 +11811,8 @@
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
   hardcode_into_libs=yes
@@ -11173,11 +11822,11 @@
 
 sunos4*)
   version_type=sunos
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
   finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
-  if test "$with_gnu_ld" = yes; then
+  if test yes = "$with_gnu_ld"; then
     need_lib_prefix=no
   fi
   need_version=yes
@@ -11185,8 +11834,8 @@
 
 sysv4 | sysv4.3*)
   version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   case $host_vendor in
     sni)
@@ -11207,24 +11856,24 @@
   ;;
 
 sysv4*MP*)
-  if test -d /usr/nec ;then
+  if test -d /usr/nec; then
     version_type=linux # correct to gnu/linux during the next big refactor
-    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
-    soname_spec='$libname${shared_ext}.$major'
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
     shlibpath_var=LD_LIBRARY_PATH
   fi
   ;;
 
 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=freebsd-elf
+  version_type=sco
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
   hardcode_into_libs=yes
-  if test "$with_gnu_ld" = yes; then
+  if test yes = "$with_gnu_ld"; then
     sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
   else
     sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
@@ -11242,7 +11891,7 @@
   version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
@@ -11250,8 +11899,8 @@
 
 uts4*)
   version_type=linux # correct to gnu/linux during the next big refactor
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
@@ -11261,20 +11910,35 @@
 esac
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
 $as_echo "$dynamic_linker" >&6; }
-test "$dynamic_linker" = no && can_build_shared=no
+test no = "$dynamic_linker" && can_build_shared=no
 
 variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
-if test "$GCC" = yes; then
+if test yes = "$GCC"; then
   variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
 fi
 
-if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
-  sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
 fi
-if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
-  sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
 fi
 
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+
+
+
+
+
 
 
 
@@ -11371,15 +12035,15 @@
 hardcode_action=
 if test -n "$hardcode_libdir_flag_spec" ||
    test -n "$runpath_var" ||
-   test "X$hardcode_automatic" = "Xyes" ; then
+   test yes = "$hardcode_automatic"; then
 
   # We can hardcode non-existent directories.
-  if test "$hardcode_direct" != no &&
+  if test no != "$hardcode_direct" &&
      # If the only mechanism to avoid hardcoding is shlibpath_var, we
      # have to relink, otherwise we might link with an installed library
      # when we should be linking with a yet-to-be-installed one
-     ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no &&
-     test "$hardcode_minus_L" != no; then
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" &&
+     test no != "$hardcode_minus_L"; then
     # Linking always hardcodes the temporary library directory.
     hardcode_action=relink
   else
@@ -11394,12 +12058,12 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
 $as_echo "$hardcode_action" >&6; }
 
-if test "$hardcode_action" = relink ||
-   test "$inherit_rpath" = yes; then
+if test relink = "$hardcode_action" ||
+   test yes = "$inherit_rpath"; then
   # Fast installation is not supported
   enable_fast_install=no
-elif test "$shlibpath_overrides_runpath" = yes ||
-     test "$enable_shared" = no; then
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
   # Fast installation is not necessary
   enable_fast_install=needless
 fi
@@ -11409,7 +12073,7 @@
 
 
 
-  if test "x$enable_dlopen" != xyes; then
+  if test yes != "$enable_dlopen"; then
   enable_dlopen=unknown
   enable_dlopen_self=unknown
   enable_dlopen_self_static=unknown
@@ -11419,23 +12083,23 @@
 
   case $host_os in
   beos*)
-    lt_cv_dlopen="load_add_on"
+    lt_cv_dlopen=load_add_on
     lt_cv_dlopen_libs=
     lt_cv_dlopen_self=yes
     ;;
 
   mingw* | pw32* | cegcc*)
-    lt_cv_dlopen="LoadLibrary"
+    lt_cv_dlopen=LoadLibrary
     lt_cv_dlopen_libs=
     ;;
 
   cygwin*)
-    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen=dlopen
     lt_cv_dlopen_libs=
     ;;
 
   darwin*)
-  # if libdl is installed we need to link against it
+    # if libdl is installed we need to link against it
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
 if ${ac_cv_lib_dl_dlopen+:} false; then :
@@ -11473,10 +12137,10 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
-  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
 else
 
-    lt_cv_dlopen="dyld"
+    lt_cv_dlopen=dyld
     lt_cv_dlopen_libs=
     lt_cv_dlopen_self=yes
 
@@ -11484,10 +12148,18 @@
 
     ;;
 
+  tpf*)
+    # Don't try to run any link tests for TPF.  We know it's impossible
+    # because TPF is a cross-compiler, and we know how we open DSOs.
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=no
+    ;;
+
   *)
     ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
 if test "x$ac_cv_func_shl_load" = xyes; then :
-  lt_cv_dlopen="shl_load"
+  lt_cv_dlopen=shl_load
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 $as_echo_n "checking for shl_load in -ldld... " >&6; }
@@ -11526,11 +12198,11 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 $as_echo "$ac_cv_lib_dld_shl_load" >&6; }
 if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
-  lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
+  lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
 else
   ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
 if test "x$ac_cv_func_dlopen" = xyes; then :
-  lt_cv_dlopen="dlopen"
+  lt_cv_dlopen=dlopen
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
@@ -11569,7 +12241,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
-  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
 $as_echo_n "checking for dlopen in -lsvld... " >&6; }
@@ -11608,7 +12280,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
 $as_echo "$ac_cv_lib_svld_dlopen" >&6; }
 if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
-  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
+  lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
 $as_echo_n "checking for dld_link in -ldld... " >&6; }
@@ -11647,7 +12319,7 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
 $as_echo "$ac_cv_lib_dld_dld_link" >&6; }
 if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
-  lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
+  lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
 fi
 
 
@@ -11668,21 +12340,21 @@
     ;;
   esac
 
-  if test "x$lt_cv_dlopen" != xno; then
-    enable_dlopen=yes
-  else
+  if test no = "$lt_cv_dlopen"; then
     enable_dlopen=no
+  else
+    enable_dlopen=yes
   fi
 
   case $lt_cv_dlopen in
   dlopen)
-    save_CPPFLAGS="$CPPFLAGS"
-    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+    save_CPPFLAGS=$CPPFLAGS
+    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
 
-    save_LDFLAGS="$LDFLAGS"
+    save_LDFLAGS=$LDFLAGS
     wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
 
-    save_LIBS="$LIBS"
+    save_LIBS=$LIBS
     LIBS="$lt_cv_dlopen_libs $LIBS"
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
@@ -11690,7 +12362,7 @@
 if ${lt_cv_dlopen_self+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  	  if test "$cross_compiling" = yes; then :
+  	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -11737,9 +12409,9 @@
 #  endif
 #endif
 
-/* When -fvisbility=hidden is used, assume the code has been annotated
+/* When -fvisibility=hidden is used, assume the code has been annotated
    correspondingly for the symbols needed.  */
-#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
 int fnord () __attribute__((visibility("default")));
 #endif
 
@@ -11769,7 +12441,7 @@
   (eval $ac_link) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
     (./conftest; exit; ) >&5 2>/dev/null
     lt_status=$?
     case x$lt_status in
@@ -11789,14 +12461,14 @@
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
 $as_echo "$lt_cv_dlopen_self" >&6; }
 
-    if test "x$lt_cv_dlopen_self" = xyes; then
+    if test yes = "$lt_cv_dlopen_self"; then
       wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
 $as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
 if ${lt_cv_dlopen_self_static+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  	  if test "$cross_compiling" = yes; then :
+  	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self_static=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -11843,9 +12515,9 @@
 #  endif
 #endif
 
-/* When -fvisbility=hidden is used, assume the code has been annotated
+/* When -fvisibility=hidden is used, assume the code has been annotated
    correspondingly for the symbols needed.  */
-#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
 int fnord () __attribute__((visibility("default")));
 #endif
 
@@ -11875,7 +12547,7 @@
   (eval $ac_link) 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+  test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then
     (./conftest; exit; ) >&5 2>/dev/null
     lt_status=$?
     case x$lt_status in
@@ -11896,9 +12568,9 @@
 $as_echo "$lt_cv_dlopen_self_static" >&6; }
     fi
 
-    CPPFLAGS="$save_CPPFLAGS"
-    LDFLAGS="$save_LDFLAGS"
-    LIBS="$save_LIBS"
+    CPPFLAGS=$save_CPPFLAGS
+    LDFLAGS=$save_LDFLAGS
+    LIBS=$save_LIBS
     ;;
   esac
 
@@ -11942,7 +12614,7 @@
 # FIXME - insert some real tests, host_os isn't really good enough
   case $host_os in
   darwin*)
-    if test -n "$STRIP" ; then
+    if test -n "$STRIP"; then
       striplib="$STRIP -x"
       old_striplib="$STRIP -S"
       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -11970,7 +12642,7 @@
 
 
 
-  # Report which library types will actually be built
+  # Report what library types will actually be built
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
 $as_echo_n "checking if libtool supports shared libraries... " >&6; }
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
@@ -11978,13 +12650,13 @@
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
 $as_echo_n "checking whether to build shared libraries... " >&6; }
-  test "$can_build_shared" = "no" && enable_shared=no
+  test no = "$can_build_shared" && enable_shared=no
 
   # On AIX, shared libraries and static libraries use the same namespace, and
   # are all built from PIC.
   case $host_os in
   aix3*)
-    test "$enable_shared" = yes && enable_static=no
+    test yes = "$enable_shared" && enable_static=no
     if test -n "$RANLIB"; then
       archive_cmds="$archive_cmds~\$RANLIB \$lib"
       postinstall_cmds='$RANLIB $lib'
@@ -11992,8 +12664,12 @@
     ;;
 
   aix[4-9]*)
-    if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
-      test "$enable_shared" = yes && enable_static=no
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;			# shared object as lib.so file only
+      yes,svr4,*) ;;			# shared object as lib.so archive member only
+      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+      esac
     fi
     ;;
   esac
@@ -12003,7 +12679,7 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
 $as_echo_n "checking whether to build static libraries... " >&6; }
   # Make sure either enable_shared or enable_static is yes.
-  test "$enable_shared" = yes || enable_static=yes
+  test yes = "$enable_shared" || enable_static=yes
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
 $as_echo "$enable_static" >&6; }
 
@@ -12017,7 +12693,7 @@
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-CC="$lt_save_CC"
+CC=$lt_save_CC
 
 
 
@@ -12044,6 +12720,14 @@
 
 
 
+ if test "$enable_samples" = "yes"; then
+  BUILD_SAMPLES_TRUE=
+  BUILD_SAMPLES_FALSE='#'
+else
+  BUILD_SAMPLES_TRUE='#'
+  BUILD_SAMPLES_FALSE=
+fi
+
  if test "$enable_libevent_regress" = "yes"; then
   BUILD_REGRESS_TRUE=
   BUILD_REGRESS_FALSE='#'
@@ -12221,7 +12905,8 @@
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
+if test "x$enable_clock_gettime" = "xyes"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
 $as_echo_n "checking for library containing clock_gettime... " >&6; }
 if ${ac_cv_search_clock_gettime+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -12277,6 +12962,18 @@
 
 fi
 
+  for ac_func in clock_gettime
+do :
+  ac_fn_c_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
+if test "x$ac_cv_func_clock_gettime" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_CLOCK_GETTIME 1
+_ACEOF
+
+fi
+done
+
+fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sendfile" >&5
 $as_echo_n "checking for library containing sendfile... " >&6; }
 if ${ac_cv_search_sendfile+:} false; then :
@@ -12343,7 +13040,7 @@
 main ()
 {
 
-#ifndef WIN32
+#ifndef _WIN32
 die horribly
 #endif
 
@@ -12487,25 +13184,356 @@
 
 
 
-for ac_header in openssl/bio.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "openssl/bio.h" "ac_cv_header_openssl_bio_h" "$ac_includes_default"
-if test "x$ac_cv_header_openssl_bio_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_OPENSSL_BIO_H 1
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then :
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if ${ac_cv_sys_largefile_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+	 # IRIX 6.2 and later do not support large files by default,
+	 # so use the C compiler's -n32 option if that helps.
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
 _ACEOF
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext
+	 CC="$CC -n32"
+	 if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+	 break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if ${ac_cv_sys_file_offset_bits+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if ${ac_cv_sys_large_files+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  fi
+
 
 fi
 
+
+
+
+ntp_pkgconfig_min_version='0.15.0'
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
 done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
 
 
-if test "$enable_openssl" = "yes"; then
-save_LIBS="$LIBS"
-LIBS=""
-OPENSSL_LIBS=""
-have_openssl=no
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing SSL_new" >&5
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+  ac_pt_PKG_CONFIG=$PKG_CONFIG
+  # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_PKG_CONFIG in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+$as_echo "$ac_pt_PKG_CONFIG" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_PKG_CONFIG" = x; then
+    PKG_CONFIG=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    PKG_CONFIG=$ac_pt_PKG_CONFIG
+  fi
+else
+  PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+{ ac_cv_path_PKG_CONFIG=; unset ac_cv_path_PKG_CONFIG;}
+{ ac_cv_path_ac_pt_PKG_CONFIG=; unset ac_cv_path_ac_pt_PKG_CONFIG;}
+
+case "$PKG_CONFIG" in
+ /*)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking if pkg-config is at least version $ntp_pkgconfig_min_version" >&5
+$as_echo_n "checking if pkg-config is at least version $ntp_pkgconfig_min_version... " >&6; }
+    if $PKG_CONFIG --atleast-pkgconfig-version $ntp_pkgconfig_min_version; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    else
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	PKG_CONFIG=""
+    fi
+    ;;
+esac
+
+
+
+
+case "$enable_openssl" in
+ yes)
+    have_openssl=no
+    case "$PKG_CONFIG" in
+     '')
+	;;
+     *)
+	OPENSSL_LIBS=`$PKG_CONFIG --libs openssl 2>/dev/null`
+	case "$OPENSSL_LIBS" in
+	 '') ;;
+	 *) OPENSSL_LIBS="$OPENSSL_LIBS $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
+	    have_openssl=yes
+	    ;;
+	esac
+	OPENSSL_INCS=`$PKG_CONFIG --cflags openssl 2>/dev/null`
+	;;
+    esac
+    case "$have_openssl" in
+     yes) ;;
+     *)
+	save_LIBS="$LIBS"
+	LIBS=""
+	OPENSSL_LIBS=""
+	for lib in crypto eay32; do
+		# clear cache
+		unset ac_cv_search_SSL_new
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing SSL_new" >&5
 $as_echo_n "checking for library containing SSL_new... " >&6; }
 if ${ac_cv_search_SSL_new+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -12529,12 +13557,12 @@
   return 0;
 }
 _ACEOF
-for ac_lib in '' ssl; do
+for ac_lib in '' ssl ssl32; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else
     ac_res=-l$ac_lib
-    LIBS="-l$ac_lib -lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD $ac_func_search_save_LIBS"
+    LIBS="-l$ac_lib -l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD $ac_func_search_save_LIBS"
   fi
   if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_SSL_new=$ac_res
@@ -12559,131 +13587,69 @@
 if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   have_openssl=yes
-	OPENSSL_LIBS="$LIBS -lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
-
-$as_echo "#define HAVE_OPENSSL 1" >>confdefs.h
-
+		    OPENSSL_LIBS="$LIBS -l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
 else
   have_openssl=no
 fi
 
-LIBS="$save_LIBS"
+		LIBS="$save_LIBS"
+		test "$have_openssl" = "yes" && break
+	done
+	;;
+    esac
 
-fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
-  $as_echo_n "(cached) " >&6
+    case "$have_openssl" in
+     yes)
+$as_echo "#define HAVE_OPENSSL 1" >>confdefs.h
+ ;;
+    esac
+    ;;
+esac
+
+# check if we have and should use openssl
+ if test "$enable_openssl" != "no" && test "$have_openssl" = "yes"; then
+  OPENSSL_TRUE=
+  OPENSSL_FALSE='#'
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_stdc=yes
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
+  OPENSSL_TRUE='#'
+  OPENSSL_FALSE=
 fi
 
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
 
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then :
 
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
+for ac_header in  \
+  arpa/inet.h \
+  fcntl.h \
+  ifaddrs.h \
+  mach/mach_time.h \
+  netdb.h \
+  netinet/in.h \
+  netinet/in6.h \
+  netinet/tcp.h \
+  poll.h \
+  port.h \
+  stdarg.h \
+  stddef.h \
+  sys/devpoll.h \
+  sys/epoll.h \
+  sys/event.h \
+  sys/eventfd.h \
+  sys/ioctl.h \
+  sys/mman.h \
+  sys/param.h \
+  sys/queue.h \
+  sys/resource.h \
+  sys/select.h \
+  sys/sendfile.h \
+  sys/socket.h \
+  sys/stat.h \
+  sys/time.h \
+  sys/timerfd.h \
+  sys/uio.h \
+  sys/wait.h \
+  errno.h \
 
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then :
-  :
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
-int
-main ()
-{
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-else
-  ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
-$as_echo "$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-$as_echo "#define STDC_HEADERS 1" >>confdefs.h
-
-fi
-
-for ac_header in fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h sys/wait.h netdb.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -12696,17 +13662,6 @@
 
 done
 
-for ac_header in sys/stat.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/stat.h" "ac_cv_header_sys_stat_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_stat_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_STAT_H 1
-_ACEOF
-
-fi
-
-done
 
 for ac_header in sys/sysctl.h
 do :
@@ -13164,7 +14119,46 @@
 fi
 
 
-for ac_func in gettimeofday vasprintf fcntl clock_gettime strtok_r strsep
+for ac_func in  \
+  accept4 \
+  arc4random \
+  arc4random_buf \
+  eventfd \
+  epoll_create1 \
+  fcntl \
+  getegid \
+  geteuid \
+  getifaddrs \
+  getnameinfo \
+  getprotobynumber \
+  gettimeofday \
+  inet_ntop \
+  inet_pton \
+  issetugid \
+  mach_absolute_time \
+  mmap \
+  nanosleep \
+  pipe \
+  pipe2 \
+  putenv \
+  sendfile \
+  setenv \
+  setrlimit \
+  sigaction \
+  signal \
+  splice \
+  strlcpy \
+  strsep \
+  strtok_r \
+  strtoll \
+  sysctl \
+  timerfd_create \
+  umask \
+  unsetenv \
+  usleep \
+  vasprintf \
+  getservbyname \
+
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -13176,28 +14170,13 @@
 fi
 done
 
-for ac_func in getnameinfo strlcpy inet_ntop inet_pton signal sigaction strtoll inet_aton pipe eventfd sendfile mmap splice arc4random arc4random_buf issetugid geteuid getegid getprotobynumber setenv unsetenv putenv sysctl
-do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
-_ACEOF
-
+ if test x"$ac_cv_func_strlcpy" = xno; then
+  STRLCPY_IMPL_TRUE=
+  STRLCPY_IMPL_FALSE='#'
+else
+  STRLCPY_IMPL_TRUE='#'
+  STRLCPY_IMPL_FALSE=
 fi
-done
-
-for ac_func in umask
-do :
-  ac_fn_c_check_func "$LINENO" "umask" "ac_cv_func_umask"
-if test "x$ac_cv_func_umask" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_UMASK 1
-_ACEOF
-
-fi
-done
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo" >&5
@@ -13241,17 +14220,6 @@
 
 else
 
-for ac_func in getservbyname
-do :
-  ac_fn_c_check_func "$LINENO" "getservbyname" "ac_cv_func_getservbyname"
-if test "x$ac_cv_func_getservbyname" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETSERVBYNAME 1
-_ACEOF
-
-fi
-done
-
 # Check for gethostbyname_r in all its glorious incompatible versions.
 #   (This is cut-and-pasted from Tor, which based its logic on
 #   Python's configure.in.)
@@ -13372,40 +14340,6 @@
 
 fi
 
-# The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
-$as_echo_n "checking size of long... " >&6; }
-if ${ac_cv_sizeof_long+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_long" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_long=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
-$as_echo "$ac_cv_sizeof_long" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_LONG $ac_cv_sizeof_long
-_ACEOF
-
-
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for F_SETFD in fcntl.h" >&5
 $as_echo_n "checking for F_SETFD in fcntl.h... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -13679,6 +14613,45 @@
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking waitpid support WNOWAIT" >&5
+$as_echo_n "checking waitpid support WNOWAIT... " >&6; }
+if test "$cross_compiling" = yes; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+
+int
+main(int argc, char** argv)
+{
+    pid_t pid;
+    int status;
+    if ((pid = fork()) == 0) _exit(0);
+    _exit(waitpid(pid, &status, WNOWAIT) == -1);
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+$as_echo "#define HAVE_WAITPID_WITH_WNOWAIT 1" >>confdefs.h
+
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+
 haveeventports=no
 for ac_func in port_create
 do :
@@ -14103,7 +15076,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14138,7 +15111,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14173,7 +15146,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14208,7 +15181,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14243,7 +15216,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14275,7 +15248,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14306,7 +15279,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14337,7 +15310,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14368,7 +15341,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14399,7 +15372,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14430,7 +15403,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -14453,6 +15426,22 @@
 fi
 
 
+ac_fn_c_check_type "$LINENO" "struct so_linger" "ac_cv_type_struct_so_linger" "
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+"
+if test "x$ac_cv_type_struct_so_linger" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_SO_LINGER 1
+_ACEOF
+
+#define HAVE_SO_LINGER
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t" >&5
 $as_echo_n "checking for socklen_t... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -14920,6 +15909,14 @@
 
 
 fi
+ if test "$enable_thread_support" != "no"; then
+  THREADS_TRUE=
+  THREADS_FALSE='#'
+else
+  THREADS_TRUE='#'
+  THREADS_FALSE=
+fi
+
  if test "$have_pthreads" != "no" && test "$enable_thread_support" != "no"; then
   PTHREADS_TRUE=
   PTHREADS_FALSE='#'
@@ -14950,6 +15947,11 @@
 
 fi
 
+# check if we should enable verbose debugging
+if test x$enable_verbose_debug = xyes; then
+	CFLAGS="$CFLAGS -DUSE_DEBUG"
+fi
+
 # check if we have and should use openssl
  if test "$enable_openssl" != "no" && test "$have_openssl" = "yes"; then
   OPENSSL_TRUE=
@@ -14959,10 +15961,70 @@
   OPENSSL_FALSE=
 fi
 
+if test "x$enable_openssl" = "xyes"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ERR_remove_thread_state" >&5
+$as_echo_n "checking for library containing ERR_remove_thread_state... " >&6; }
+if ${ac_cv_search_ERR_remove_thread_state+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ERR_remove_thread_state ();
+int
+main ()
+{
+return ERR_remove_thread_state ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' crypto eay32; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_ERR_remove_thread_state=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_ERR_remove_thread_state+:} false; then :
+  break
+fi
+done
+if ${ac_cv_search_ERR_remove_thread_state+:} false; then :
+
+else
+  ac_cv_search_ERR_remove_thread_state=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_ERR_remove_thread_state" >&5
+$as_echo "$ac_cv_search_ERR_remove_thread_state" >&6; }
+ac_res=$ac_cv_search_ERR_remove_thread_state
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+$as_echo "#define HAVE_ERR_REMOVE_THREAD_STATE 1" >>confdefs.h
+
+fi
+
+fi
 
 # Add some more warnings which we use in development but not in the
 # released versions.  (Some relevant gcc versions can't handle these.)
-if test x$enable_gcc_warnings = xyes && test "$GCC" = "yes"; then
+if test x$enable_gcc_warnings != xno && test "$GCC" = "yes"; then
 
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -15048,7 +16110,11 @@
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
+  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch"
+  if test x$enable_gcc_warnings = xyes; then
+    CFLAGS="$CFLAGS -Werror"
+  fi
+
   CFLAGS="$CFLAGS -Wno-unused-parameter -Wstrict-aliasing"
 
   if test x$have_gcc4 = xyes ; then
@@ -15178,9 +16244,9 @@
 fi
 
 
-ac_config_files="$ac_config_files libevent.pc libevent_openssl.pc libevent_pthreads.pc"
+ac_config_files="$ac_config_files libevent.pc libevent_openssl.pc libevent_pthreads.pc libevent_core.pc libevent_extra.pc"
 
-ac_config_files="$ac_config_files Makefile include/Makefile test/Makefile sample/Makefile"
+ac_config_files="$ac_config_files Makefile"
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -15315,6 +16381,10 @@
   as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${BUILD_SAMPLES_TRUE}" && test -z "${BUILD_SAMPLES_FALSE}"; then
+  as_fn_error $? "conditional \"BUILD_SAMPLES\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${BUILD_REGRESS_TRUE}" && test -z "${BUILD_REGRESS_FALSE}"; then
   as_fn_error $? "conditional \"BUILD_REGRESS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -15323,6 +16393,10 @@
   as_fn_error $? "conditional \"ZLIB_REGRESS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${OPENSSL_TRUE}" && test -z "${OPENSSL_FALSE}"; then
+  as_fn_error $? "conditional \"OPENSSL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${BUILD_WIN32_TRUE}" && test -z "${BUILD_WIN32_FALSE}"; then
   as_fn_error $? "conditional \"BUILD_WIN32\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -15335,6 +16409,10 @@
   as_fn_error $? "conditional \"BUILD_WITH_NO_UNDEFINED\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${STRLCPY_IMPL_TRUE}" && test -z "${STRLCPY_IMPL_FALSE}"; then
+  as_fn_error $? "conditional \"STRLCPY_IMPL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${SELECT_BACKEND_TRUE}" && test -z "${SELECT_BACKEND_FALSE}"; then
   as_fn_error $? "conditional \"SELECT_BACKEND\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -15363,6 +16441,10 @@
   as_fn_error $? "conditional \"SIGNAL_SUPPORT\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${THREADS_TRUE}" && test -z "${THREADS_FALSE}"; then
+  as_fn_error $? "conditional \"THREADS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${PTHREADS_TRUE}" && test -z "${PTHREADS_FALSE}"; then
   as_fn_error $? "conditional \"PTHREADS\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -15772,7 +16854,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by $as_me, which was
+This file was extended by libevent $as_me 2.1.8-stable, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -15838,7 +16920,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-config.status
+libevent config.status 2.1.8-stable
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -15973,6 +17055,7 @@
 enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`'
 pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
 enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`'
 SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
 ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
 PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
@@ -16022,10 +17105,13 @@
 GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`'
 lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`'
 lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_import='`$ECHO "$lt_cv_sys_global_symbol_to_import" | $SED "$delay_single_quote_subst"`'
 lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`'
 lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`'
+lt_cv_nm_interface='`$ECHO "$lt_cv_nm_interface" | $SED "$delay_single_quote_subst"`'
 nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`'
 lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`'
+lt_cv_truncate_bin='`$ECHO "$lt_cv_truncate_bin" | $SED "$delay_single_quote_subst"`'
 objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`'
 MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`'
 lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`'
@@ -16090,7 +17176,8 @@
 finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
 hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
 sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
-sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`'
+configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`'
+configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`'
 hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
 enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
 enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
@@ -16141,9 +17228,12 @@
 compiler \
 lt_cv_sys_global_symbol_pipe \
 lt_cv_sys_global_symbol_to_cdecl \
+lt_cv_sys_global_symbol_to_import \
 lt_cv_sys_global_symbol_to_c_name_address \
 lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
+lt_cv_nm_interface \
 nm_file_list_spec \
+lt_cv_truncate_bin \
 lt_prog_compiler_no_builtin_flag \
 lt_prog_compiler_pic \
 lt_prog_compiler_wl \
@@ -16178,7 +17268,7 @@
 striplib; do
     case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
     *[\\\\\\\`\\"\\\$]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
       ;;
     *)
       eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
@@ -16205,10 +17295,11 @@
 postuninstall_cmds \
 finish_cmds \
 sys_lib_search_path_spec \
-sys_lib_dlsearch_path_spec; do
+configure_time_dlsearch_path \
+configure_time_lt_sys_library_path; do
     case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
     *[\\\\\\\`\\"\\\$]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
       ;;
     *)
       eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
@@ -16217,19 +17308,16 @@
 done
 
 ac_aux_dir='$ac_aux_dir'
-xsi_shell='$xsi_shell'
-lt_shell_append='$lt_shell_append'
 
-# See if we are running on zsh, and set the options which allow our
+# See if we are running on zsh, and set the options that allow our
 # commands through without removal of \ escapes INIT.
-if test -n "\${ZSH_VERSION+set}" ; then
+if test -n "\${ZSH_VERSION+set}"; then
    setopt NO_GLOB_SUBST
 fi
 
 
     PACKAGE='$PACKAGE'
     VERSION='$VERSION'
-    TIMESTAMP='$TIMESTAMP'
     RM='$RM'
     ofile='$ofile'
 
@@ -16245,15 +17333,15 @@
 do
   case $ac_config_target in
     "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
+    "evconfig-private.h") CONFIG_HEADERS="$CONFIG_HEADERS evconfig-private.h:evconfig-private.h.in" ;;
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "libevent.pc") CONFIG_FILES="$CONFIG_FILES libevent.pc" ;;
     "libevent_openssl.pc") CONFIG_FILES="$CONFIG_FILES libevent_openssl.pc" ;;
     "libevent_pthreads.pc") CONFIG_FILES="$CONFIG_FILES libevent_pthreads.pc" ;;
+    "libevent_core.pc") CONFIG_FILES="$CONFIG_FILES libevent_core.pc" ;;
+    "libevent_extra.pc") CONFIG_FILES="$CONFIG_FILES libevent_extra.pc" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-    "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
-    "test/Makefile") CONFIG_FILES="$CONFIG_FILES test/Makefile" ;;
-    "sample/Makefile") CONFIG_FILES="$CONFIG_FILES sample/Makefile" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
@@ -16850,7 +17938,7 @@
 
   case $ac_file$ac_mode in
     "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
-  # Autoconf 2.62 quotes --file arguments for eval, but not when files
+  # Older Autoconf quotes --file arguments for eval, but not when files
   # are listed without --file.  Let's play safe and only enable the eval
   # if we detect the quoting.
   case $CONFIG_FILES in
@@ -16901,7 +17989,7 @@
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the
@@ -16944,55 +18032,53 @@
  ;;
     "libtool":C)
 
-    # See if we are running on zsh, and set the options which allow our
+    # See if we are running on zsh, and set the options that allow our
     # commands through without removal of \ escapes.
-    if test -n "${ZSH_VERSION+set}" ; then
+    if test -n "${ZSH_VERSION+set}"; then
       setopt NO_GLOB_SUBST
     fi
 
-    cfgfile="${ofile}T"
+    cfgfile=${ofile}T
     trap "$RM \"$cfgfile\"; exit 1" 1 2 15
     $RM "$cfgfile"
 
     cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
-
-# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
-# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Generated automatically by $as_me ($PACKAGE) $VERSION
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
 #
-#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Foundation, Inc.
-#   Written by Gordon Matzigkeit, 1996
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
 #
-#   This file is part of GNU Libtool.
-#
-# GNU Libtool is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# As a special exception to the GNU General Public License,
-# if you distribute this file as part of a program or library that
-# is built using GNU Libtool, you may include this file under the
-# same distribution terms that you use for the rest of that program.
-#
-# GNU Libtool is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Libtool; see the file COPYING.  If not, a copy
-# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
-# obtained by writing to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 # The names of the tagged configurations supported by this script.
-available_tags=""
+available_tags=''
+
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
 
 # ### BEGIN LIBTOOL CONFIG
 
@@ -17012,6 +18098,9 @@
 # Whether or not to optimize for fast installation.
 fast_install=$enable_fast_install
 
+# Shared archive member basename,for filename based shared library versioning on AIX.
+shared_archive_member_spec=$shared_archive_member_spec
+
 # Shell to use when invoking shell scripts.
 SHELL=$lt_SHELL
 
@@ -17129,18 +18218,27 @@
 # Transform the output of nm in a proper C declaration.
 global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
 
+# Transform the output of nm into a list of symbols to manually relocate.
+global_symbol_to_import=$lt_lt_cv_sys_global_symbol_to_import
+
 # Transform the output of nm in a C name address pair.
 global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
 
 # Transform the output of nm in a C name address pair when lib prefix is needed.
 global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
 
+# The name lister interface.
+nm_interface=$lt_lt_cv_nm_interface
+
 # Specify filename containing input files for \$NM.
 nm_file_list_spec=$lt_nm_file_list_spec
 
-# The root where to search for dependent libraries,and in which our libraries should be installed.
+# The root where to search for dependent libraries,and where our libraries should be installed.
 lt_sysroot=$lt_sysroot
 
+# Command to truncate a binary pipe.
+lt_truncate_bin=$lt_lt_cv_truncate_bin
+
 # The name of the directory that contains temporary libtool files.
 objdir=$objdir
 
@@ -17231,8 +18329,11 @@
 # Compile-time system search path for libraries.
 sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
 
-# Run-time system search path for libraries.
-sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+# Detected run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path
+
+# Explicit LT_SYS_LIBRARY_PATH set during ./configure time.
+configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path
 
 # Whether dlopen is supported.
 dlopen_support=$enable_dlopen
@@ -17325,13 +18426,13 @@
 # Whether we need a single "-rpath" flag with a separated argument.
 hardcode_libdir_separator=$lt_hardcode_libdir_separator
 
-# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
 # DIR into the resulting binary.
 hardcode_direct=$hardcode_direct
 
-# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes
 # DIR into the resulting binary and the resulting library dependency is
-# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# "absolute",i.e impossible to change by setting \$shlibpath_var if the
 # library is relocated.
 hardcode_direct_absolute=$hardcode_direct_absolute
 
@@ -17383,13 +18484,72 @@
 
 _LT_EOF
 
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
   case $host_os in
   aix3*)
     cat <<\_LT_EOF >> "$cfgfile"
 # AIX sometimes has problems with the GCC collect2 program.  For some
 # reason, if we set the COLLECT_NAMES environment variable, the problems
 # vanish in a puff of smoke.
-if test "X${COLLECT_NAMES+set}" != Xset; then
+if test set != "${COLLECT_NAMES+set}"; then
   COLLECT_NAMES=
   export COLLECT_NAMES
 fi
@@ -17398,7 +18558,7 @@
   esac
 
 
-ltmain="$ac_aux_dir/ltmain.sh"
+ltmain=$ac_aux_dir/ltmain.sh
 
 
   # We use sed instead of cat because bash on DJGPP gets confused if
@@ -17408,165 +18568,6 @@
   sed '$q' "$ltmain" >> "$cfgfile" \
      || (rm -f "$cfgfile"; exit 1)
 
-  if test x"$xsi_shell" = xyes; then
-  sed -e '/^func_dirname ()$/,/^} # func_dirname /c\
-func_dirname ()\
-{\
-\    case ${1} in\
-\      */*) func_dirname_result="${1%/*}${2}" ;;\
-\      *  ) func_dirname_result="${3}" ;;\
-\    esac\
-} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_basename ()$/,/^} # func_basename /c\
-func_basename ()\
-{\
-\    func_basename_result="${1##*/}"\
-} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\
-func_dirname_and_basename ()\
-{\
-\    case ${1} in\
-\      */*) func_dirname_result="${1%/*}${2}" ;;\
-\      *  ) func_dirname_result="${3}" ;;\
-\    esac\
-\    func_basename_result="${1##*/}"\
-} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_stripname ()$/,/^} # func_stripname /c\
-func_stripname ()\
-{\
-\    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\
-\    # positional parameters, so assign one to ordinary parameter first.\
-\    func_stripname_result=${3}\
-\    func_stripname_result=${func_stripname_result#"${1}"}\
-\    func_stripname_result=${func_stripname_result%"${2}"}\
-} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\
-func_split_long_opt ()\
-{\
-\    func_split_long_opt_name=${1%%=*}\
-\    func_split_long_opt_arg=${1#*=}\
-} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\
-func_split_short_opt ()\
-{\
-\    func_split_short_opt_arg=${1#??}\
-\    func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\
-} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\
-func_lo2o ()\
-{\
-\    case ${1} in\
-\      *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\
-\      *)    func_lo2o_result=${1} ;;\
-\    esac\
-} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_xform ()$/,/^} # func_xform /c\
-func_xform ()\
-{\
-    func_xform_result=${1%.*}.lo\
-} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_arith ()$/,/^} # func_arith /c\
-func_arith ()\
-{\
-    func_arith_result=$(( $* ))\
-} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_len ()$/,/^} # func_len /c\
-func_len ()\
-{\
-    func_len_result=${#1}\
-} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-fi
-
-if test x"$lt_shell_append" = xyes; then
-  sed -e '/^func_append ()$/,/^} # func_append /c\
-func_append ()\
-{\
-    eval "${1}+=\\${2}"\
-} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\
-func_append_quoted ()\
-{\
-\    func_quote_for_eval "${2}"\
-\    eval "${1}+=\\\\ \\$func_quote_for_eval_result"\
-} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \
-  && mv -f "$cfgfile.tmp" "$cfgfile" \
-    || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-test 0 -eq $? || _lt_function_replace_fail=:
-
-
-  # Save a `func_append' function call where possible by direct use of '+='
-  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
-    && mv -f "$cfgfile.tmp" "$cfgfile" \
-      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-  test 0 -eq $? || _lt_function_replace_fail=:
-else
-  # Save a `func_append' function call even when '+=' is not available
-  sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
-    && mv -f "$cfgfile.tmp" "$cfgfile" \
-      || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
-  test 0 -eq $? || _lt_function_replace_fail=:
-fi
-
-if test x"$_lt_function_replace_fail" = x":"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5
-$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;}
-fi
-
-
    mv -f "$cfgfile" "$ofile" ||
     (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
   chmod +x "$ofile"
diff --git a/configure.ac b/configure.ac
index d42edd8..7528d37 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,3 @@
-dnl configure.in for libevent
 dnl Copyright 2000-2007 Niels Provos
 dnl Copyright 2007-2012 Niels Provos and Nick Mathewson
 dnl
@@ -6,34 +5,44 @@
 dnl
 dnl Original version Dug Song <dugsong@monkey.org>
 
+AC_INIT(libevent,2.1.8-stable)
 AC_PREREQ(2.59)
-AC_INIT(event.c)
+AC_CONFIG_SRCDIR(event.c)
 
 AC_CONFIG_MACRO_DIR([m4])
-
-AM_INIT_AUTOMAKE(libevent,2.0.22-stable)
-AC_CONFIG_HEADERS(config.h)
-AC_DEFINE(NUMERIC_VERSION, 0x02001600, [Numeric representation of the version])
+AM_INIT_AUTOMAKE
+dnl AM_SILENT_RULES req. automake 1.11.  [no] defaults V=1
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AC_CONFIG_HEADERS(config.h  evconfig-private.h:evconfig-private.h.in)
+AC_DEFINE(NUMERIC_VERSION, 0x02010800, [Numeric representation of the version])
 
 dnl Initialize prefix.
 if test "$prefix" = "NONE"; then
    prefix="/usr/local"
 fi
 
+dnl Try and get a full POSIX environment on obscure systems
+ifdef([AC_USE_SYSTEM_EXTENSIONS], [
+AC_USE_SYSTEM_EXTENSIONS
+], [
+AC_AIX
+AC_GNU_SOURCE
+AC_MINIX
+])
+
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST
 dnl the 'build' machine is where we run configure and compile
 dnl the 'host' machine is where the resulting stuff runs.
 
-case "$host_os" in
-
- osf5*)
-    CFLAGS="$CFLAGS -D_OSF_SOURCE"
-    ;;
-esac
+#case "$host_os" in
+#
+# osf5*)
+#    CFLAGS="$CFLAGS -D_OSF_SOURCE"
+#    ;;
+#esac
 
 dnl Checks for programs.
-AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_INSTALL
 AC_PROG_LN_S
@@ -65,16 +74,26 @@
 fi
 
 # OS X Lion started deprecating the system openssl. Let's just disable
-# all deprecation warnings on OS X.
-case "$host_os" in
-
- darwin*)
-    CFLAGS="$CFLAGS -Wno-deprecated-declarations"
-    ;;
-esac
+# all deprecation warnings on OS X; but do so only for gcc...
+if test "$GCC" = "yes" ; then
+	case "$host_os" in
+	 darwin*)
+	    CFLAGS="$CFLAGS -Wno-deprecated-declarations"
+	    ;;
+	esac
+fi
 
 AC_ARG_ENABLE(gcc-warnings,
-     AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings with GCC))
+     AS_HELP_STRING(--disable-gcc-warnings, disable verbose warnings with GCC))
+
+AC_ARG_ENABLE(gcc-hardening,
+     AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
+[if test x$enableval = xyes; then
+    CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
+    CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
+    CFLAGS="$CFLAGS --param ssp-buffer-size=1"
+fi])
+
 AC_ARG_ENABLE(thread-support,
      AS_HELP_STRING(--disable-thread-support, disable support for threading),
 	[], [enable_thread_support=yes])
@@ -93,34 +112,47 @@
 AC_ARG_ENABLE([libevent-regress],
      AS_HELP_STRING([--disable-libevent-regress, skip regress in make check]),
 	[], [enable_libevent_regress=yes])
+AC_ARG_ENABLE([samples],
+     AS_HELP_STRING([--disable-samples, skip building of sample programs]),
+	[], [enable_samples=yes])
 AC_ARG_ENABLE([function-sections],
      AS_HELP_STRING([--enable-function-sections, make static library allow smaller binaries with --gc-sections]),
 	[], [enable_function_sections=no])
+AC_ARG_ENABLE([verbose-debug],
+		AS_HELP_STRING([--enable-verbose-debug, verbose debug logging]),
+	[], [enable_verbose_debug=no])
+AC_ARG_ENABLE([clock-gettime],
+     AS_HELP_STRING(--disable-clock-gettime, do not use clock_gettime even if it is available),
+  [], [enable_clock_gettime=yes])
 
 
 AC_PROG_LIBTOOL
 
-dnl   Uncomment "AC_DISABLE_SHARED" to make shared librraries not get
+dnl   Uncomment "AC_DISABLE_SHARED" to make shared libraries not get
 dnl   built by default.  You can also turn shared libs on and off from
 dnl   the command line with --enable-shared and --disable-shared.
 dnl AC_DISABLE_SHARED
 AC_SUBST(LIBTOOL_DEPS)
 
+AM_CONDITIONAL([BUILD_SAMPLES], [test "$enable_samples" = "yes"])
 AM_CONDITIONAL([BUILD_REGRESS], [test "$enable_libevent_regress" = "yes"])
 
 dnl Checks for libraries.
 AC_SEARCH_LIBS([inet_ntoa], [nsl])
 AC_SEARCH_LIBS([socket], [socket])
 AC_SEARCH_LIBS([inet_aton], [resolv])
-AC_SEARCH_LIBS([clock_gettime], [rt])
+if test "x$enable_clock_gettime" = "xyes"; then
+  AC_SEARCH_LIBS([clock_gettime], [rt])
+  AC_CHECK_FUNCS([clock_gettime])
+fi
 AC_SEARCH_LIBS([sendfile], [sendfile])
 
-dnl - check if the macro WIN32 is defined on this compiler.
-dnl - (this is how we check for a windows version of GCC)
+dnl - check if the macro _WIN32 is defined on this compiler.
+dnl - (this is how we check for a windows compiler)
 AC_MSG_CHECKING(for WIN32)
 AC_TRY_COMPILE(,
 	[
-#ifndef WIN32
+#ifndef _WIN32
 die horribly
 #endif
 	],
@@ -171,27 +203,44 @@
 AC_SUBST(EV_LIB_GDI)
 AC_SUBST(OPENSSL_LIBADD)
 
-AC_CHECK_HEADERS([openssl/bio.h])
+AC_SYS_LARGEFILE
 
-if test "$enable_openssl" = "yes"; then
-save_LIBS="$LIBS"
-LIBS=""
-OPENSSL_LIBS=""
-have_openssl=no
-AC_SEARCH_LIBS([SSL_new], [ssl],
-	[have_openssl=yes
-	OPENSSL_LIBS="$LIBS -lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
-	AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl])],
-	[have_openssl=no],
-	[-lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD])
-LIBS="$save_LIBS"
-AC_SUBST(OPENSSL_LIBS)
-fi
+LIBEVENT_OPENSSL
 
 dnl Checks for header files.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h sys/wait.h netdb.h])
-AC_CHECK_HEADERS([sys/stat.h])
+AC_CHECK_HEADERS([ \
+  arpa/inet.h \
+  fcntl.h \
+  ifaddrs.h \
+  mach/mach_time.h \
+  netdb.h \
+  netinet/in.h \
+  netinet/in6.h \
+  netinet/tcp.h \
+  poll.h \
+  port.h \
+  stdarg.h \
+  stddef.h \
+  sys/devpoll.h \
+  sys/epoll.h \
+  sys/event.h \
+  sys/eventfd.h \
+  sys/ioctl.h \
+  sys/mman.h \
+  sys/param.h \
+  sys/queue.h \
+  sys/resource.h \
+  sys/select.h \
+  sys/sendfile.h \
+  sys/socket.h \
+  sys/stat.h \
+  sys/time.h \
+  sys/timerfd.h \
+  sys/uio.h \
+  sys/wait.h \
+  errno.h \
+])
+
 AC_CHECK_HEADERS(sys/sysctl.h, [], [], [
 #ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
@@ -289,9 +338,47 @@
 AC_HEADER_TIME
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS([gettimeofday vasprintf fcntl clock_gettime strtok_r strsep])
-AC_CHECK_FUNCS([getnameinfo strlcpy inet_ntop inet_pton signal sigaction strtoll inet_aton pipe eventfd sendfile mmap splice arc4random arc4random_buf issetugid geteuid getegid getprotobynumber setenv unsetenv putenv sysctl])
-AC_CHECK_FUNCS([umask])
+AC_CHECK_FUNCS([ \
+  accept4 \
+  arc4random \
+  arc4random_buf \
+  eventfd \
+  epoll_create1 \
+  fcntl \
+  getegid \
+  geteuid \
+  getifaddrs \
+  getnameinfo \
+  getprotobynumber \
+  gettimeofday \
+  inet_ntop \
+  inet_pton \
+  issetugid \
+  mach_absolute_time \
+  mmap \
+  nanosleep \
+  pipe \
+  pipe2 \
+  putenv \
+  sendfile \
+  setenv \
+  setrlimit \
+  sigaction \
+  signal \
+  splice \
+  strlcpy \
+  strsep \
+  strtok_r \
+  strtoll \
+  sysctl \
+  timerfd_create \
+  umask \
+  unsetenv \
+  usleep \
+  vasprintf \
+  getservbyname \
+])
+AM_CONDITIONAL(STRLCPY_IMPL, [test x"$ac_cv_func_strlcpy" = xno])
 
 AC_CACHE_CHECK(
     [for getaddrinfo],
@@ -315,7 +402,6 @@
     AC_DEFINE([HAVE_GETADDRINFO], [1], [Do we have getaddrinfo()?])
 else
 
-AC_CHECK_FUNCS([getservbyname])
 # Check for gethostbyname_r in all its glorious incompatible versions.
 #   (This is cut-and-pasted from Tor, which based its logic on
 #   Python's configure.in.)
@@ -374,8 +460,6 @@
 
 fi
 
-AC_CHECK_SIZEOF(long)
-
 AC_MSG_CHECKING(for F_SETFD in fcntl.h)
 AC_EGREP_CPP(yes,
 [
@@ -515,6 +599,26 @@
 fi
 AM_CONDITIONAL(EPOLL_BACKEND, [test "x$haveepoll" = "xyes"])
 
+AC_MSG_CHECKING(waitpid support WNOWAIT)
+AC_TRY_RUN(
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+
+int
+main(int argc, char** argv)
+{
+    pid_t pid;
+    int status;
+    if ((pid = fork()) == 0) _exit(0);
+    _exit(waitpid(pid, &status, WNOWAIT) == -1);
+}, [AC_MSG_RESULT(yes)
+AC_DEFINE(HAVE_WAITPID_WITH_WNOWAIT, 1,
+[Define if waitpid() supports WNOWAIT])
+], AC_MSG_RESULT(no), AC_MSG_RESULT(no))
+
+
 haveeventports=no
 AC_CHECK_FUNCS(port_create, [haveeventports=yes], )
 if test "x$haveeventports" = "xyes" ; then
@@ -575,7 +679,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -598,7 +702,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_WINNT 0x400
 #define _WIN32_WINNT 0x400
 #define WIN32_LEAN_AND_MEAN
@@ -611,6 +715,14 @@
 #endif
 ])
 
+AC_CHECK_TYPES([struct so_linger],
+[#define HAVE_SO_LINGER], ,
+[
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+])
+
 AC_MSG_CHECKING([for socklen_t])
 AC_TRY_COMPILE([
  #include <sys/types.h>
@@ -651,6 +763,7 @@
       #include <pthread.h> ]
   )
 fi
+AM_CONDITIONAL(THREADS, [test "$enable_thread_support" != "no"])
 AM_CONDITIONAL(PTHREADS, [test "$have_pthreads" != "no" && test "$enable_thread_support" != "no"])
 
 # check if we should compile locking into the library
@@ -671,12 +784,21 @@
         [Define if libevent should build without support for a debug mode])
 fi
 
+# check if we should enable verbose debugging 
+if test x$enable_verbose_debug = xyes; then
+	CFLAGS="$CFLAGS -DUSE_DEBUG"
+fi
+
 # check if we have and should use openssl
 AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"])
+if test "x$enable_openssl" = "xyes"; then
+	AC_SEARCH_LIBS([ERR_remove_thread_state], [crypto eay32],
+		[AC_DEFINE(HAVE_ERR_REMOVE_THREAD_STATE, 1, [Define to 1 if you have ERR_remove_thread_stat().])])
+fi
 
 # Add some more warnings which we use in development but not in the
 # released versions.  (Some relevant gcc versions can't handle these.)
-if test x$enable_gcc_warnings = xyes && test "$GCC" = "yes"; then
+if test x$enable_gcc_warnings != xno && test "$GCC" = "yes"; then
 
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
 #if !defined(__GNUC__) || (__GNUC__ < 4)
@@ -698,7 +820,11 @@
 #error
 #endif])], have_clang=yes, have_clang=no)
 
-  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
+  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch"
+  if test x$enable_gcc_warnings = xyes; then
+    CFLAGS="$CFLAGS -Werror"
+  fi
+
   CFLAGS="$CFLAGS -Wno-unused-parameter -Wstrict-aliasing"
 
   if test x$have_gcc4 = xyes ; then
@@ -817,5 +943,5 @@
 
 AM_CONDITIONAL([INSTALL_LIBEVENT], [test "$enable_libevent_install" = "yes"])
 
-AC_CONFIG_FILES( [libevent.pc libevent_openssl.pc libevent_pthreads.pc] )
-AC_OUTPUT(Makefile include/Makefile test/Makefile sample/Makefile)
+AC_CONFIG_FILES( [libevent.pc libevent_openssl.pc libevent_pthreads.pc libevent_core.pc libevent_extra.pc] )
+AC_OUTPUT(Makefile)
diff --git a/defer-internal.h b/defer-internal.h
index 96a5cac..e3c7d7d 100644
--- a/defer-internal.h
+++ b/defer-internal.h
@@ -23,78 +23,48 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _DEFER_INTERNAL_H_
-#define _DEFER_INTERNAL_H_
+#ifndef DEFER_INTERNAL_H_INCLUDED_
+#define DEFER_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <sys/queue.h>
 
-struct deferred_cb;
-
-typedef void (*deferred_cb_fn)(struct deferred_cb *, void *);
-
-/** A deferred_cb is a callback that can be scheduled to run as part of
- * an event_base's event_loop, rather than running immediately. */
-struct deferred_cb {
-	/** Links to the adjacent active (pending) deferred_cb objects. */
-	TAILQ_ENTRY (deferred_cb) cb_next;
-	/** True iff this deferred_cb is pending in an event_base. */
-	unsigned queued : 1;
-	/** The function to execute when the callback runs. */
-	deferred_cb_fn cb;
-	/** The function's second argument. */
-	void *arg;
-};
-
-/** A deferred_cb_queue is a list of deferred_cb that we can add to and run. */
-struct deferred_cb_queue {
-	/** Lock used to protect the queue. */
-	void *lock;
-
-	/** How many entries are in the queue? */
-	int active_count;
-
-	/** Function called when adding to the queue from another thread. */
-	void (*notify_fn)(struct deferred_cb_queue *, void *);
-	void *notify_arg;
-
-	/** Deferred callback management: a list of deferred callbacks to
-	 * run active the active events. */
-	TAILQ_HEAD (deferred_cb_list, deferred_cb) deferred_cb_list;
-};
+struct event_callback;
+typedef void (*deferred_cb_fn)(struct event_callback *, void *);
 
 /**
-   Initialize an empty, non-pending deferred_cb.
+   Initialize an empty, non-pending event_callback.
 
-   @param deferred The deferred_cb structure to initialize.
-   @param cb The function to run when the deferred_cb executes.
+   @param deferred The struct event_callback structure to initialize.
+   @param priority The priority that the callback should run at.
+   @param cb The function to run when the struct event_callback executes.
    @param arg The function's second argument.
  */
-void event_deferred_cb_init(struct deferred_cb *, deferred_cb_fn, void *);
+void event_deferred_cb_init_(struct event_callback *, ev_uint8_t, deferred_cb_fn, void *);
 /**
-   Cancel a deferred_cb if it is currently scheduled in an event_base.
+   Change the priority of a non-pending event_callback.
  */
-void event_deferred_cb_cancel(struct deferred_cb_queue *, struct deferred_cb *);
+void event_deferred_cb_set_priority_(struct event_callback *, ev_uint8_t);
 /**
-   Activate a deferred_cb if it is not currently scheduled in an event_base.
+   Cancel a struct event_callback if it is currently scheduled in an event_base.
  */
-void event_deferred_cb_schedule(struct deferred_cb_queue *, struct deferred_cb *);
+void event_deferred_cb_cancel_(struct event_base *, struct event_callback *);
+/**
+   Activate a struct event_callback if it is not currently scheduled in an event_base.
 
-#define LOCK_DEFERRED_QUEUE(q)						\
-	EVLOCK_LOCK((q)->lock, 0)
-#define UNLOCK_DEFERRED_QUEUE(q)					\
-	EVLOCK_UNLOCK((q)->lock, 0)
+   Return true if it was not previously scheduled.
+ */
+int event_deferred_cb_schedule_(struct event_base *, struct event_callback *);
 
 #ifdef __cplusplus
 }
 #endif
 
-void event_deferred_cb_queue_init(struct deferred_cb_queue *);
-struct deferred_cb_queue *event_base_get_deferred_cb_queue(struct event_base *);
-
-#endif /* _EVENT_INTERNAL_H_ */
+#endif /* EVENT_INTERNAL_H_INCLUDED_ */
 
diff --git a/depcomp b/depcomp
index debb6ff..fc98710 100755
--- a/depcomp
+++ b/depcomp
@@ -1,9 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
 
-scriptversion=2012-03-27.16; # UTC
+scriptversion=2013-05-30.07; # UTC
 
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -27,9 +27,9 @@
 
 case $1 in
   '')
-     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
-     exit 1;
-     ;;
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
   -h | --h*)
     cat <<\EOF
 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
@@ -56,11 +56,65 @@
     ;;
 esac
 
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
 # A tabulation character.
 tab='	'
 # A newline character.
 nl='
 '
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
 
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
   echo "depcomp: Variables source, object and depmode must be set" 1>&2
@@ -74,6 +128,9 @@
 
 rm -f "$tmpdepfile"
 
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
 # Some modes work just like other modes, but use different flags.  We
 # parameterize here, but still list the modes in the big case below,
 # to make depend.m4 easier to write.  Note that we *cannot* use a case
@@ -85,32 +142,32 @@
 fi
 
 if test "$depmode" = dashXmstdout; then
-   # This is just like dashmstdout with a different argument.
-   dashmflag=-xM
-   depmode=dashmstdout
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
 fi
 
 cygpath_u="cygpath -u -f -"
 if test "$depmode" = msvcmsys; then
-   # This is just like msvisualcpp but w/o cygpath translation.
-   # Just convert the backslash-escaped backslashes to single forward
-   # slashes to satisfy depend.m4
-   cygpath_u='sed s,\\\\,/,g'
-   depmode=msvisualcpp
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
 fi
 
 if test "$depmode" = msvc7msys; then
-   # This is just like msvc7 but w/o cygpath translation.
-   # Just convert the backslash-escaped backslashes to single forward
-   # slashes to satisfy depend.m4
-   cygpath_u='sed s,\\\\,/,g'
-   depmode=msvc7
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
 fi
 
 if test "$depmode" = xlc; then
-   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
-   gccflag=-qmakedep=gcc,-MF
-   depmode=gcc
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
 fi
 
 case "$depmode" in
@@ -133,8 +190,7 @@
   done
   "$@"
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -142,13 +198,17 @@
   ;;
 
 gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
 ## - Don't want to use -MD because we'd like the dependencies to end
 ##   up in a subdir.  Having to rename by hand is ugly.
 ##   (We might end up doing this anyway to support other compilers.)
 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
 ## - Using -M directly means running the compiler twice (even worse
 ##   than renaming).
   if test -z "$gccflag"; then
@@ -156,15 +216,14 @@
   fi
   "$@" -Wp,"$gccflag$tmpdepfile"
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
-  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
-## The second -e expression handles DOS-style file names with drive letters.
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
   sed -e 's/^[^:]*: / /' \
       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
 ## This next piece of magic avoids the "deleted header file" problem.
@@ -173,15 +232,15 @@
 ## typically no way to rebuild the header).  We avoid this by adding
 ## dummy dependencies for each header file.  Too bad gcc doesn't do
 ## this for us directly.
-  tr ' ' "$nl" < "$tmpdepfile" |
 ## Some versions of gcc put a space before the ':'.  On the theory
 ## that the space means something, we add a space to the output as
 ## well.  hp depmode also adds that space, but also prefixes the VPATH
 ## to the object.  Take care to not repeat it in the output.
 ## Some versions of the HPUX 10.20 sed can't process this invocation
 ## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
-      | sed -e 's/$/ :/' >> "$depfile"
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -199,8 +258,7 @@
     "$@" -MDupdate "$tmpdepfile"
   fi
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -208,7 +266,6 @@
 
   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
     echo "$object : \\" > "$depfile"
-
     # Clip off the initial element (the dependent).  Don't try to be
     # clever and replace this with sed code, as IRIX sed won't handle
     # lines with more than a fixed number of characters (4096 in
@@ -216,19 +273,15 @@
     # the IRIX cc adds comments like '#:fec' to the end of the
     # dependency line.
     tr ' ' "$nl" < "$tmpdepfile" \
-    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
-    tr "$nl" ' ' >> "$depfile"
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
     echo >> "$depfile"
-
     # The second pass generates a dummy entry for each header file.
     tr ' ' "$nl" < "$tmpdepfile" \
-   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-   >> "$depfile"
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
   else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
   fi
   rm -f "$tmpdepfile"
   ;;
@@ -246,9 +299,8 @@
   # current directory.  Also, the AIX compiler puts '$object:' at the
   # start of each line; $object doesn't have directory information.
   # Version 6 uses the directory in both cases.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-  test "x$dir" = "x$object" && dir=
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  set_dir_from "$object"
+  set_base_from "$object"
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.u
     tmpdepfile2=$base.u
@@ -261,9 +313,7 @@
     "$@" -M
   fi
   stat=$?
-
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
     exit $stat
   fi
@@ -272,65 +322,113 @@
   do
     test -f "$tmpdepfile" && break
   done
-  if test -f "$tmpdepfile"; then
-    # Each line is of the form 'foo.o: dependent.h'.
-    # Do two passes, one to just change these to
-    # '$object: dependent.h' and one to simply 'dependent.h:'.
-    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-    sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
-  else
-    # The sourcefile does not contain any dependencies, so just
-    # store a dummy comment line, to avoid errors with the Makefile
-    # "include basename.Plo" scheme.
-    echo "#dummy" > "$depfile"
-  fi
-  rm -f "$tmpdepfile"
+  aix_post_process_depfile
   ;;
 
-icc)
-  # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
-  # However on
-  #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
-  # ICC 7.0 will fill foo.d with something like
-  #    foo.o: sub/foo.c
-  #    foo.o: sub/foo.h
-  # which is wrong.  We want
-  #    sub/foo.o: sub/foo.c
-  #    sub/foo.o: sub/foo.h
-  #    sub/foo.c:
-  #    sub/foo.h:
-  # ICC 7.1 will output
-  #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using '\':
-  #    foo.o: sub/foo.c ... \
-  #     sub/foo.h ... \
-  #     ...
-  # tcc 0.9.26 (FIXME still under development at the moment of writing)
-  # will emit a similar output, but also prepend the continuation lines
-  # with horizontal tabulation characters.
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
   "$@" -MD -MF "$tmpdepfile"
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
   rm -f "$depfile"
-  # Each line is of the form 'foo.o: dependent.h',
-  # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
   # Do two passes, one to just change these to
-  # '$object: dependent.h' and one to simply 'dependent.h:'.
-  sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \
-    < "$tmpdepfile" > "$depfile"
-  sed '
-    s/[ '"$tab"'][ '"$tab"']*/ /g
-    s/^ *//
-    s/ *\\*$//
-    s/^[^:]*: *//
-    /^$/d
-    /:$/d
-    s/$/ :/
-  ' < "$tmpdepfile" >> "$depfile"
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -341,9 +439,8 @@
   # 'foo.d', which lands next to the object file, wherever that
   # happens to be.
   # Much of this is similar to the tru64 case; see comments there.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-  test "x$dir" = "x$object" && dir=
-  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  set_dir_from  "$object"
+  set_base_from "$object"
   if test "$libtool" = yes; then
     tmpdepfile1=$dir$base.d
     tmpdepfile2=$dir.libs/$base.d
@@ -354,8 +451,7 @@
     "$@" +Maked
   fi
   stat=$?
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
      rm -f "$tmpdepfile1" "$tmpdepfile2"
      exit $stat
   fi
@@ -365,76 +461,61 @@
     test -f "$tmpdepfile" && break
   done
   if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
     # Add 'dependent.h:' lines.
     sed -ne '2,${
-	       s/^ *//
-	       s/ \\*$//
-	       s/$/:/
-	       p
-	     }' "$tmpdepfile" >> "$depfile"
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
   else
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
   fi
   rm -f "$tmpdepfile" "$tmpdepfile2"
   ;;
 
 tru64)
-   # The Tru64 compiler uses -MD to generate dependencies as a side
-   # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
-   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-   # dependencies in 'foo.d' instead, so we check for that too.
-   # Subdirectories are respected.
-   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
-   test "x$dir" = "x$object" && dir=
-   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
 
-   if test "$libtool" = yes; then
-      # With Tru64 cc, shared objects can also be used to make a
-      # static library.  This mechanism is used in libtool 1.4 series to
-      # handle both shared and static libraries in a single compilation.
-      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
-      #
-      # With libtool 1.5 this exception was removed, and libtool now
-      # generates 2 separate objects for the 2 libraries.  These two
-      # compilations output dependencies in $dir.libs/$base.o.d and
-      # in $dir$base.o.d.  We have to check for both files, because
-      # one of the two compilations can be disabled.  We should prefer
-      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
-      # automatically cleaned when .libs/ is deleted, while ignoring
-      # the former would cause a distcleancheck panic.
-      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
-      tmpdepfile2=$dir$base.o.d          # libtool 1.5
-      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
-      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
-      "$@" -Wc,-MD
-   else
-      tmpdepfile1=$dir$base.o.d
-      tmpdepfile2=$dir$base.d
-      tmpdepfile3=$dir$base.d
-      tmpdepfile4=$dir$base.d
-      "$@" -MD
-   fi
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
 
-   stat=$?
-   if test $stat -eq 0; then :
-   else
-      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-      exit $stat
-   fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
 
-   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
-   do
-     test -f "$tmpdepfile" && break
-   done
-   if test -f "$tmpdepfile"; then
-      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
-      sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
-   else
-      echo "#dummy" > "$depfile"
-   fi
-   rm -f "$tmpdepfile"
-   ;;
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
 
 msvc7)
   if test "$libtool" = yes; then
@@ -445,8 +526,7 @@
   "$@" $showIncludes > "$tmpdepfile"
   stat=$?
   grep -v '^Note: including file: ' "$tmpdepfile"
-  if test "$stat" = 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi
@@ -472,6 +552,7 @@
   G
   p
 }' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
   rm -f "$tmpdepfile"
   ;;
 
@@ -523,13 +604,14 @@
   # in the target name.  This is to cope with DOS-style filenames:
   # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
   "$@" $dashmflag |
-    sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
   rm -f "$depfile"
   cat < "$tmpdepfile" > "$depfile"
-  tr ' ' "$nl" < "$tmpdepfile" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile"
   ;;
 
@@ -582,10 +664,12 @@
   # makedepend may prepend the VPATH from the source file name to the object.
   # No need to regex-escape $object, excess matching of '.' is harmless.
   sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
-  sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
   rm -f "$tmpdepfile" "$tmpdepfile".bak
   ;;
 
@@ -621,10 +705,10 @@
     esac
   done
 
-  "$@" -E |
-    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
-    sed '$ s: \\$::' > "$tmpdepfile"
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
   rm -f "$depfile"
   echo "$object : \\" > "$depfile"
   cat < "$tmpdepfile" >> "$depfile"
@@ -656,15 +740,15 @@
       shift
       ;;
     "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
-	set fnord "$@"
-	shift
-	shift
-	;;
+        set fnord "$@"
+        shift
+        shift
+        ;;
     *)
-	set fnord "$@" "$arg"
-	shift
-	shift
-	;;
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
     esac
   done
   "$@" -E 2>/dev/null |
diff --git a/devpoll.c b/devpoll.c
index f99cc01..3a2f86d 100644
--- a/devpoll.c
+++ b/devpoll.c
@@ -25,10 +25,13 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_DEVPOLL
 
 #include <sys/types.h>
 #include <sys/resource.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
@@ -129,7 +132,7 @@
 		nfiles = rl.rlim_cur;
 
 	/* Initialize the kernel queue */
-	if ((dpfd = evutil_open_closeonexec("/dev/poll", O_RDWR, 0)) == -1) {
+	if ((dpfd = evutil_open_closeonexec_("/dev/poll", O_RDWR, 0)) == -1) {
 		event_warn("open: /dev/poll");
 		mm_free(devpollop);
 		return (NULL);
@@ -156,7 +159,7 @@
 		return (NULL);
 	}
 
-	evsig_init(base);
+	evsig_init_(base);
 
 	return (devpollop);
 }
@@ -214,7 +217,7 @@
 			continue;
 
 		/* XXX(niels): not sure if this works for devpoll */
-		evmap_io_active(base, events[i].fd, which);
+		evmap_io_active_(base, events[i].fd, which);
 	}
 
 	return (0);
@@ -293,7 +296,7 @@
 {
 	struct devpollop *devpollop = base->evbase;
 
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 	if (devpollop->events)
 		mm_free(devpollop->events);
 	if (devpollop->changes)
@@ -304,3 +307,5 @@
 	memset(devpollop, 0, sizeof(struct devpollop));
 	mm_free(devpollop);
 }
+
+#endif /* EVENT__HAVE_DEVPOLL */
diff --git a/epoll.c b/epoll.c
index 4c5c3da..bf730b2 100644
--- a/epoll.c
+++ b/epoll.c
@@ -25,11 +25,14 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_EPOLL
 
 #include <stdint.h>
 #include <sys/types.h>
 #include <sys/resource.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
@@ -41,9 +44,12 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
-#ifdef _EVENT_HAVE_FCNTL_H
+#ifdef EVENT__HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
+#ifdef EVENT__HAVE_SYS_TIMERFD_H
+#include <sys/timerfd.h>
+#endif
 
 #include "event-internal.h"
 #include "evsignal-internal.h"
@@ -52,11 +58,38 @@
 #include "log-internal.h"
 #include "evmap-internal.h"
 #include "changelist-internal.h"
+#include "time-internal.h"
+
+/* Since Linux 2.6.17, epoll is able to report about peer half-closed connection
+   using special EPOLLRDHUP flag on a read event.
+*/
+#if !defined(EPOLLRDHUP)
+#define EPOLLRDHUP 0
+#define EARLY_CLOSE_IF_HAVE_RDHUP 0
+#else
+#define EARLY_CLOSE_IF_HAVE_RDHUP EV_FEATURE_EARLY_CLOSE
+#endif
+
+#include "epolltable-internal.h"
+
+#if defined(EVENT__HAVE_SYS_TIMERFD_H) &&			  \
+	defined(EVENT__HAVE_TIMERFD_CREATE) &&			  \
+	defined(HAVE_POSIX_MONOTONIC) && defined(TFD_NONBLOCK) && \
+	defined(TFD_CLOEXEC)
+/* Note that we only use timerfd if TFD_NONBLOCK and TFD_CLOEXEC are available
+   and working.  This means that we can't support it on 2.6.25 (where timerfd
+   was introduced) or 2.6.26, since 2.6.27 introduced those flags.
+ */
+#define USING_TIMERFD
+#endif
 
 struct epollop {
 	struct epoll_event *events;
 	int nevents;
 	int epfd;
+#ifdef USING_TIMERFD
+	int timerfd;
+#endif
 };
 
 static void *epoll_init(struct event_base *);
@@ -66,12 +99,12 @@
 static const struct eventop epollops_changelist = {
 	"epoll (with changelist)",
 	epoll_init,
-	event_changelist_add,
-	event_changelist_del,
+	event_changelist_add_,
+	event_changelist_del_,
 	epoll_dispatch,
 	epoll_dealloc,
 	1, /* need reinit */
-	EV_FEATURE_ET|EV_FEATURE_O1,
+	EV_FEATURE_ET|EV_FEATURE_O1| EARLY_CLOSE_IF_HAVE_RDHUP,
 	EVENT_CHANGELIST_FDINFO_SIZE
 };
 
@@ -89,7 +122,7 @@
 	epoll_dispatch,
 	epoll_dealloc,
 	1, /* need reinit */
-	EV_FEATURE_ET|EV_FEATURE_O1,
+	EV_FEATURE_ET|EV_FEATURE_O1|EV_FEATURE_EARLY_CLOSE,
 	0
 };
 
@@ -107,19 +140,24 @@
 static void *
 epoll_init(struct event_base *base)
 {
-	int epfd;
+	int epfd = -1;
 	struct epollop *epollop;
 
-	/* Initialize the kernel queue.  (The size field is ignored since
-	 * 2.6.8.) */
-	if ((epfd = epoll_create(32000)) == -1) {
-		if (errno != ENOSYS)
-			event_warn("epoll_create");
-		return (NULL);
+#ifdef EVENT__HAVE_EPOLL_CREATE1
+	/* First, try the shiny new epoll_create1 interface, if we have it. */
+	epfd = epoll_create1(EPOLL_CLOEXEC);
+#endif
+	if (epfd == -1) {
+		/* Initialize the kernel queue using the old interface.  (The
+		size field is ignored   since 2.6.8.) */
+		if ((epfd = epoll_create(32000)) == -1) {
+			if (errno != ENOSYS)
+				event_warn("epoll_create");
+			return (NULL);
+		}
+		evutil_make_socket_closeonexec(epfd);
 	}
 
-	evutil_make_socket_closeonexec(epfd);
-
 	if (!(epollop = mm_calloc(1, sizeof(struct epollop)))) {
 		close(epfd);
 		return (NULL);
@@ -138,10 +176,48 @@
 
 	if ((base->flags & EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST) != 0 ||
 	    ((base->flags & EVENT_BASE_FLAG_IGNORE_ENV) == 0 &&
-		evutil_getenv("EVENT_EPOLL_USE_CHANGELIST") != NULL))
-		base->evsel = &epollops_changelist;
+		evutil_getenv_("EVENT_EPOLL_USE_CHANGELIST") != NULL)) {
 
-	evsig_init(base);
+		base->evsel = &epollops_changelist;
+	}
+
+#ifdef USING_TIMERFD
+	/*
+	  The epoll interface ordinarily gives us one-millisecond precision,
+	  so on Linux it makes perfect sense to use the CLOCK_MONOTONIC_COARSE
+	  timer.  But when the user has set the new PRECISE_TIMER flag for an
+	  event_base, we can try to use timerfd to give them finer granularity.
+	*/
+	if ((base->flags & EVENT_BASE_FLAG_PRECISE_TIMER) &&
+	    base->monotonic_timer.monotonic_clock == CLOCK_MONOTONIC) {
+		int fd;
+		fd = epollop->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK|TFD_CLOEXEC);
+		if (epollop->timerfd >= 0) {
+			struct epoll_event epev;
+			memset(&epev, 0, sizeof(epev));
+			epev.data.fd = epollop->timerfd;
+			epev.events = EPOLLIN;
+			if (epoll_ctl(epollop->epfd, EPOLL_CTL_ADD, fd, &epev) < 0) {
+				event_warn("epoll_ctl(timerfd)");
+				close(fd);
+				epollop->timerfd = -1;
+			}
+		} else {
+			if (errno != EINVAL && errno != ENOSYS) {
+				/* These errors probably mean that we were
+				 * compiled with timerfd/TFD_* support, but
+				 * we're running on a kernel that lacks those.
+				 */
+				event_warn("timerfd_create");
+			}
+			epollop->timerfd = -1;
+		}
+	} else {
+		epollop->timerfd = -1;
+	}
+#endif
+
+	evsig_init_(base);
 
 	return (epollop);
 }
@@ -170,6 +246,23 @@
 	    "???";
 }
 
+#define PRINT_CHANGES(op, events, ch, status)  \
+	"Epoll %s(%d) on fd %d " status ". "       \
+	"Old events were %d; "                     \
+	"read change was %d (%s); "                \
+	"write change was %d (%s); "               \
+	"close change was %d (%s)",                \
+	epoll_op_to_string(op),                    \
+	events,                                    \
+	ch->fd,                                    \
+	ch->old_events,                            \
+	ch->read_change,                           \
+	change_to_string(ch->read_change),         \
+	ch->write_change,                          \
+	change_to_string(ch->write_change),        \
+	ch->close_change,                          \
+	change_to_string(ch->close_change)
+
 static int
 epoll_apply_one_change(struct event_base *base,
     struct epollop *epollop,
@@ -177,156 +270,86 @@
 {
 	struct epoll_event epev;
 	int op, events = 0;
+	int idx;
 
-	if (1) {
-		/* The logic here is a little tricky.  If we had no events set
-		   on the fd before, we need to set op="ADD" and set
-		   events=the events we want to add.  If we had any events set
-		   on the fd before, and we want any events to remain on the
-		   fd, we need to say op="MOD" and set events=the events we
-		   want to remain.  But if we want to delete the last event,
-		   we say op="DEL" and set events=the remaining events.  What
-		   fun!
-		*/
+	idx = EPOLL_OP_TABLE_INDEX(ch);
+	op = epoll_op_table[idx].op;
+	events = epoll_op_table[idx].events;
 
-		/* TODO: Turn this into a switch or a table lookup. */
-
-		if ((ch->read_change & EV_CHANGE_ADD) ||
-		    (ch->write_change & EV_CHANGE_ADD)) {
-			/* If we are adding anything at all, we'll want to do
-			 * either an ADD or a MOD. */
-			events = 0;
-			op = EPOLL_CTL_ADD;
-			if (ch->read_change & EV_CHANGE_ADD) {
-				events |= EPOLLIN;
-			} else if (ch->read_change & EV_CHANGE_DEL) {
-				;
-			} else if (ch->old_events & EV_READ) {
-				events |= EPOLLIN;
-			}
-			if (ch->write_change & EV_CHANGE_ADD) {
-				events |= EPOLLOUT;
-			} else if (ch->write_change & EV_CHANGE_DEL) {
-				;
-			} else if (ch->old_events & EV_WRITE) {
-				events |= EPOLLOUT;
-			}
-			if ((ch->read_change|ch->write_change) & EV_ET)
-				events |= EPOLLET;
-
-			if (ch->old_events) {
-				/* If MOD fails, we retry as an ADD, and if
-				 * ADD fails we will retry as a MOD.  So the
-				 * only hard part here is to guess which one
-				 * will work.  As a heuristic, we'll try
-				 * MOD first if we think there were old
-				 * events and ADD if we think there were none.
-				 *
-				 * We can be wrong about the MOD if the file
-				 * has in fact been closed and re-opened.
-				 *
-				 * We can be wrong about the ADD if the
-				 * the fd has been re-created with a dup()
-				 * of the same file that it was before.
-				 */
-				op = EPOLL_CTL_MOD;
-			}
-		} else if ((ch->read_change & EV_CHANGE_DEL) ||
-		    (ch->write_change & EV_CHANGE_DEL)) {
-			/* If we're deleting anything, we'll want to do a MOD
-			 * or a DEL. */
-			op = EPOLL_CTL_DEL;
-
-			if (ch->read_change & EV_CHANGE_DEL) {
-				if (ch->write_change & EV_CHANGE_DEL) {
-					events = EPOLLIN|EPOLLOUT;
-				} else if (ch->old_events & EV_WRITE) {
-					events = EPOLLOUT;
-					op = EPOLL_CTL_MOD;
-				} else {
-					events = EPOLLIN;
-				}
-			} else if (ch->write_change & EV_CHANGE_DEL) {
-				if (ch->old_events & EV_READ) {
-					events = EPOLLIN;
-					op = EPOLL_CTL_MOD;
-				} else {
-					events = EPOLLOUT;
-				}
-			}
-		}
-
-		if (!events)
-			return 0;
-
-		memset(&epev, 0, sizeof(epev));
-		epev.data.fd = ch->fd;
-		epev.events = events;
-		if (epoll_ctl(epollop->epfd, op, ch->fd, &epev) == -1) {
-			if (op == EPOLL_CTL_MOD && errno == ENOENT) {
-				/* If a MOD operation fails with ENOENT, the
-				 * fd was probably closed and re-opened.  We
-				 * should retry the operation as an ADD.
-				 */
-				if (epoll_ctl(epollop->epfd, EPOLL_CTL_ADD, ch->fd, &epev) == -1) {
-					event_warn("Epoll MOD(%d) on %d retried as ADD; that failed too",
-					    (int)epev.events, ch->fd);
-					return -1;
-				} else {
-					event_debug(("Epoll MOD(%d) on %d retried as ADD; succeeded.",
-						(int)epev.events,
-						ch->fd));
-				}
-			} else if (op == EPOLL_CTL_ADD && errno == EEXIST) {
-				/* If an ADD operation fails with EEXIST,
-				 * either the operation was redundant (as with a
-				 * precautionary add), or we ran into a fun
-				 * kernel bug where using dup*() to duplicate the
-				 * same file into the same fd gives you the same epitem
-				 * rather than a fresh one.  For the second case,
-				 * we must retry with MOD. */
-				if (epoll_ctl(epollop->epfd, EPOLL_CTL_MOD, ch->fd, &epev) == -1) {
-					event_warn("Epoll ADD(%d) on %d retried as MOD; that failed too",
-					    (int)epev.events, ch->fd);
-					return -1;
-				} else {
-					event_debug(("Epoll ADD(%d) on %d retried as MOD; succeeded.",
-						(int)epev.events,
-						ch->fd));
-				}
-			} else if (op == EPOLL_CTL_DEL &&
-			    (errno == ENOENT || errno == EBADF ||
-				errno == EPERM)) {
-				/* If a delete fails with one of these errors,
-				 * that's fine too: we closed the fd before we
-				 * got around to calling epoll_dispatch. */
-				event_debug(("Epoll DEL(%d) on fd %d gave %s: DEL was unnecessary.",
-					(int)epev.events,
-					ch->fd,
-					strerror(errno)));
-			} else {
-				event_warn("Epoll %s(%d) on fd %d failed.  Old events were %d; read change was %d (%s); write change was %d (%s)",
-				    epoll_op_to_string(op),
-				    (int)epev.events,
-				    ch->fd,
-				    ch->old_events,
-				    ch->read_change,
-				    change_to_string(ch->read_change),
-				    ch->write_change,
-				    change_to_string(ch->write_change));
-				return -1;
-			}
-		} else {
-			event_debug(("Epoll %s(%d) on fd %d okay. [old events were %d; read change was %d; write change was %d]",
-				epoll_op_to_string(op),
-				(int)epev.events,
-				(int)ch->fd,
-				ch->old_events,
-				ch->read_change,
-				ch->write_change));
-		}
+	if (!events) {
+		EVUTIL_ASSERT(op == 0);
+		return 0;
 	}
-	return 0;
+
+	if ((ch->read_change|ch->write_change) & EV_CHANGE_ET)
+		events |= EPOLLET;
+
+	memset(&epev, 0, sizeof(epev));
+	epev.data.fd = ch->fd;
+	epev.events = events;
+	if (epoll_ctl(epollop->epfd, op, ch->fd, &epev) == 0) {
+		event_debug((PRINT_CHANGES(op, epev.events, ch, "okay")));
+		return 0;
+	}
+
+	switch (op) {
+	case EPOLL_CTL_MOD:
+		if (errno == ENOENT) {
+			/* If a MOD operation fails with ENOENT, the
+			 * fd was probably closed and re-opened.  We
+			 * should retry the operation as an ADD.
+			 */
+			if (epoll_ctl(epollop->epfd, EPOLL_CTL_ADD, ch->fd, &epev) == -1) {
+				event_warn("Epoll MOD(%d) on %d retried as ADD; that failed too",
+				    (int)epev.events, ch->fd);
+				return -1;
+			} else {
+				event_debug(("Epoll MOD(%d) on %d retried as ADD; succeeded.",
+					(int)epev.events,
+					ch->fd));
+				return 0;
+			}
+		}
+		break;
+	case EPOLL_CTL_ADD:
+		if (errno == EEXIST) {
+			/* If an ADD operation fails with EEXIST,
+			 * either the operation was redundant (as with a
+			 * precautionary add), or we ran into a fun
+			 * kernel bug where using dup*() to duplicate the
+			 * same file into the same fd gives you the same epitem
+			 * rather than a fresh one.  For the second case,
+			 * we must retry with MOD. */
+			if (epoll_ctl(epollop->epfd, EPOLL_CTL_MOD, ch->fd, &epev) == -1) {
+				event_warn("Epoll ADD(%d) on %d retried as MOD; that failed too",
+				    (int)epev.events, ch->fd);
+				return -1;
+			} else {
+				event_debug(("Epoll ADD(%d) on %d retried as MOD; succeeded.",
+					(int)epev.events,
+					ch->fd));
+				return 0;
+			}
+		}
+		break;
+	case EPOLL_CTL_DEL:
+		if (errno == ENOENT || errno == EBADF || errno == EPERM) {
+			/* If a delete fails with one of these errors,
+			 * that's fine too: we closed the fd before we
+			 * got around to calling epoll_dispatch. */
+			event_debug(("Epoll DEL(%d) on fd %d gave %s: DEL was unnecessary.",
+				(int)epev.events,
+				ch->fd,
+				strerror(errno)));
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+
+	event_warn(PRINT_CHANGES(op, epev.events, ch, "failed"));
+	return -1;
 }
 
 static int
@@ -355,13 +378,16 @@
 	struct event_change ch;
 	ch.fd = fd;
 	ch.old_events = old;
-	ch.read_change = ch.write_change = 0;
+	ch.read_change = ch.write_change = ch.close_change = 0;
 	if (events & EV_WRITE)
 		ch.write_change = EV_CHANGE_ADD |
 		    (events & EV_ET);
 	if (events & EV_READ)
 		ch.read_change = EV_CHANGE_ADD |
 		    (events & EV_ET);
+	if (events & EV_CLOSED)
+		ch.close_change = EV_CHANGE_ADD |
+		    (events & EV_ET);
 
 	return epoll_apply_one_change(base, base->evbase, &ch);
 }
@@ -373,11 +399,13 @@
 	struct event_change ch;
 	ch.fd = fd;
 	ch.old_events = old;
-	ch.read_change = ch.write_change = 0;
+	ch.read_change = ch.write_change = ch.close_change = 0;
 	if (events & EV_WRITE)
 		ch.write_change = EV_CHANGE_DEL;
 	if (events & EV_READ)
 		ch.read_change = EV_CHANGE_DEL;
+	if (events & EV_CLOSED)
+		ch.close_change = EV_CHANGE_DEL;
 
 	return epoll_apply_one_change(base, base->evbase, &ch);
 }
@@ -390,8 +418,35 @@
 	int i, res;
 	long timeout = -1;
 
+#ifdef USING_TIMERFD
+	if (epollop->timerfd >= 0) {
+		struct itimerspec is;
+		is.it_interval.tv_sec = 0;
+		is.it_interval.tv_nsec = 0;
+		if (tv == NULL) {
+			/* No timeout; disarm the timer. */
+			is.it_value.tv_sec = 0;
+			is.it_value.tv_nsec = 0;
+		} else {
+			if (tv->tv_sec == 0 && tv->tv_usec == 0) {
+				/* we need to exit immediately; timerfd can't
+				 * do that. */
+				timeout = 0;
+			}
+			is.it_value.tv_sec = tv->tv_sec;
+			is.it_value.tv_nsec = tv->tv_usec * 1000;
+		}
+		/* TODO: we could avoid unnecessary syscalls here by only
+		   calling timerfd_settime when the top timeout changes, or
+		   when we're called with a different timeval.
+		*/
+		if (timerfd_settime(epollop->timerfd, 0, &is, NULL) < 0) {
+			event_warn("timerfd_settime");
+		}
+	} else
+#endif
 	if (tv != NULL) {
-		timeout = evutil_tv_to_msec(tv);
+		timeout = evutil_tv_to_msec_(tv);
 		if (timeout < 0 || timeout > MAX_EPOLL_TIMEOUT_MSEC) {
 			/* Linux kernels can wait forever if the timeout is
 			 * too big; see comment on MAX_EPOLL_TIMEOUT_MSEC. */
@@ -400,7 +455,7 @@
 	}
 
 	epoll_apply_changes(base);
-	event_changelist_remove_all(&base->changelist, base);
+	event_changelist_remove_all_(&base->changelist, base);
 
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 
@@ -423,6 +478,10 @@
 	for (i = 0; i < res; i++) {
 		int what = events[i].events;
 		short ev = 0;
+#ifdef USING_TIMERFD
+		if (events[i].data.fd == epollop->timerfd)
+			continue;
+#endif
 
 		if (what & (EPOLLHUP|EPOLLERR)) {
 			ev = EV_READ | EV_WRITE;
@@ -431,12 +490,14 @@
 				ev |= EV_READ;
 			if (what & EPOLLOUT)
 				ev |= EV_WRITE;
+			if (what & EPOLLRDHUP)
+				ev |= EV_CLOSED;
 		}
 
 		if (!ev)
 			continue;
 
-		evmap_io_active(base, events[i].data.fd, ev | EV_ET);
+		evmap_io_active_(base, events[i].data.fd, ev | EV_ET);
 	}
 
 	if (res == epollop->nevents && epollop->nevents < MAX_NEVENT) {
@@ -462,12 +523,18 @@
 {
 	struct epollop *epollop = base->evbase;
 
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 	if (epollop->events)
 		mm_free(epollop->events);
 	if (epollop->epfd >= 0)
 		close(epollop->epfd);
+#ifdef USING_TIMERFD
+	if (epollop->timerfd >= 0)
+		close(epollop->timerfd);
+#endif
 
 	memset(epollop, 0, sizeof(struct epollop));
 	mm_free(epollop);
 }
+
+#endif /* EVENT__HAVE_EPOLL */
diff --git a/epoll_sub.c b/epoll_sub.c
index facbc09..3f01f6a 100644
--- a/epoll_sub.c
+++ b/epoll_sub.c
@@ -24,6 +24,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "evconfig-private.h"
 #include <stdint.h>
 
 #include <sys/param.h>
diff --git a/epolltable-internal.h b/epolltable-internal.h
new file mode 100644
index 0000000..da30e09
--- /dev/null
+++ b/epolltable-internal.h
@@ -0,0 +1,1166 @@
+/*
+ * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef EPOLLTABLE_INTERNAL_H_INCLUDED_
+#define EPOLLTABLE_INTERNAL_H_INCLUDED_
+
+/*
+  Here are the values we're masking off to decide what operations to do.
+  Note that since EV_READ|EV_WRITE.
+
+  Note also that this table is a little sparse, since ADD+DEL is
+  nonsensical ("xxx" in the list below.)
+
+  Note also also that we are shifting old_events by only 5 bits, since
+  EV_READ is 2 and EV_WRITE is 4.
+
+  The table was auto-generated with a python script, according to this
+  pseudocode:[*0]
+
+      If either the read or the write change is add+del:
+	 This is impossible; Set op==-1, events=0.
+      Else, if either the read or the write change is add:
+	 Set events to 0.
+	 If the read change is add, or
+	    (the read change is not del, and ev_read is in old_events):
+	       Add EPOLLIN to events.
+	 If the write change is add, or
+	    (the write change is not del, and ev_write is in old_events):
+	       Add EPOLLOUT to events.
+
+	 If old_events is set:
+	       Set op to EPOLL_CTL_MOD [*1,*2]
+	Else:
+	       Set op to EPOLL_CTL_ADD [*3]
+
+      Else, if the read or the write change is del:
+	 Set op to EPOLL_CTL_DEL.
+	 If the read change is del:
+	     If the write change is del:
+		 Set events to EPOLLIN|EPOLLOUT
+	     Else if ev_write is in old_events:
+		 Set events to EPOLLOUT
+		Set op to EPOLL_CTL_MOD
+	     Else
+		 Set events to EPOLLIN
+	 Else:
+	     {The write change is del.}
+	    If ev_read is in old_events:
+		 Set events to EPOLLIN
+		Set op to EPOLL_CTL_MOD
+	    Else:
+		Set the events to EPOLLOUT
+
+      Else:
+	   There is no read or write change; set op to 0 and events to 0.
+
+      The logic is a little tricky, since we had no events set on the fd before,
+      we need to set op="ADD" and set events=the events we want to add.	 If we
+      had any events set on the fd before, and we want any events to remain on
+      the fd, we need to say op="MOD" and set events=the events we want to
+      remain.  But if we want to delete the last event, we say op="DEL" and
+      set events=(any non-null pointer).
+
+  [*0] Actually, the Python script has gotten a bit more complicated, to
+       support EPOLLRDHUP.
+
+  [*1] This MOD is only a guess.  MOD might fail with ENOENT if the file was
+       closed and a new file was opened with the same fd.  If so, we'll retry
+       with ADD.
+
+  [*2] We can't replace this with a no-op even if old_events is the same as
+       the new events: if the file was closed and reopened, we need to retry
+       with an ADD.  (We do a MOD in this case since "no change" is more
+       common than "close and reopen", so we'll usually wind up doing 1
+       syscalls instead of 2.)
+
+  [*3] This ADD is only a guess.  There is a fun Linux kernel issue where if
+       you have two fds for the same file (via dup) and you ADD one to an
+       epfd, then close it, then re-create it with the same fd (via dup2 or an
+       unlucky dup), then try to ADD it again, you'll get an EEXIST, since the
+       struct epitem is not actually removed from the struct eventpoll until
+       the file itself is closed.
+
+  EV_CHANGE_ADD==1
+  EV_CHANGE_DEL==2
+  EV_READ      ==2
+  EV_WRITE     ==4
+  EV_CLOSED    ==0x80
+
+  Bit 0: close change is add
+  Bit 1: close change is del
+  Bit 2: read change is add
+  Bit 3: read change is del
+  Bit 4: write change is add
+  Bit 5: write change is del
+  Bit 6: old events had EV_READ
+  Bit 7: old events had EV_WRITE
+  Bit 8: old events had EV_CLOSED
+*/
+
+#define EPOLL_OP_TABLE_INDEX(c) \
+	(   (((c)->close_change&(EV_CHANGE_ADD|EV_CHANGE_DEL))) |		\
+	    (((c)->read_change&(EV_CHANGE_ADD|EV_CHANGE_DEL)) << 2) |	\
+	    (((c)->write_change&(EV_CHANGE_ADD|EV_CHANGE_DEL)) << 4) |	\
+	    (((c)->old_events&(EV_READ|EV_WRITE)) << 5) |		\
+	    (((c)->old_events&(EV_CLOSED)) << 1)				\
+	    )
+
+#if EV_READ != 2 || EV_WRITE != 4 || EV_CLOSED != 0x80 || EV_CHANGE_ADD != 1 || EV_CHANGE_DEL != 2
+#error "Libevent's internals changed!  Regenerate the op_table in epolltable-internal.h"
+#endif
+
+static const struct operation {
+	int events;
+	int op;
+} epoll_op_table[] = {
+	/* old=  0, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old=  0, write:  0, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:  0, read:  0, close:del */
+	{ EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  0, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_ADD },
+	/* old=  0, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:  0, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_ADD },
+	/* old=  0, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:del, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_DEL },
+	/* old=  0, write:  0, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:  0, read:del, close:del */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  0, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  0, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:add, read:  0, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:add, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_ADD },
+	/* old=  0, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  0, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  0, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:del, read:  0, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_DEL },
+	/* old=  0, write:del, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:del, read:  0, close:del */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  0, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:del, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_ADD },
+	/* old=  0, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_ADD },
+	/* old=  0, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:del, read:del, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_DEL },
+	/* old=  0, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_ADD },
+	/* old=  0, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  0, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  0, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  0, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  0, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old=  r, write:  0, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:del, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_DEL },
+	/* old=  r, write:  0, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:  0, read:del, close:del */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  r, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  r, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:add, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:add, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  r, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  r, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  r, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:del, read:  0, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:del, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:del, read:del, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_DEL },
+	/* old=  r, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  r, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  r, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  r, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  r, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  r, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old=  w, write:  0, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  w, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:add, read:  0, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:add, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  w, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  w, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  w, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:del, read:  0, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_DEL },
+	/* old=  w, write:del, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:del, read:  0, close:del */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  w, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:del, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  w, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  w, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:del, read:del, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_DEL },
+	/* old=  w, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  w, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  w, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  w, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  w, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  w, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old= rw, write:  0, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= rw, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:add, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:add, read:del, close:  0 */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= rw, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= rw, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= rw, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:del, read:  0, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:del, read:add, close:  0 */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:del, read:del, close:  0 */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_DEL },
+	/* old= rw, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= rw, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old= rw, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= rw, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= rw, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= rw, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old=  c, write:  0, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:  0, close:del */
+	{ EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  c, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:  0, read:del, close:del */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  c, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  c, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:add, read:  0, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:add, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=  c, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  c, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  c, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:del, read:  0, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:  0, close:del */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  c, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:del, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:del, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=  c, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=  c, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  c, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  c, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=  c, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old= cr, write:  0, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:  0, read:del, close:del */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old= cr, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cr, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:add, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:add, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cr, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cr, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cr, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:del, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:del, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:del, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cr, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old= cr, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cr, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cr, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cr, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old= cw, write:  0, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cw, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:add, read:  0, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:  0, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:  0, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:add, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old= cw, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cw, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cw, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:del, read:  0, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:  0, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:  0, close:del */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old= cw, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:del, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:del, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old= cw, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old= cw, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cw, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cw, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old= cw, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:  0, close:  0 */
+	{ 0, 0 },
+	/* old=crw, write:  0, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:  0, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=crw, write:  0, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:add, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:  0, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:  0, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:add, read:add, close:  0 */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:add, close:add */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:add, close:del */
+	{ EPOLLIN|EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:add, read:del, close:  0 */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:del, close:add */
+	{ EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:del, close:del */
+	{ EPOLLOUT, EPOLL_CTL_MOD },
+	/* old=crw, write:add, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:add, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:add, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=crw, write:add, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=crw, write:add, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:del, read:  0, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:  0, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:  0, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:del, read:add, close:  0 */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:add, close:add */
+	{ EPOLLIN|EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:add, close:del */
+	{ EPOLLIN, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:del, read:del, close:  0 */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:del, close:add */
+	{ EPOLLRDHUP, EPOLL_CTL_MOD },
+	/* old=crw, write:del, read:del, close:del */
+	{ EPOLLIN|EPOLLOUT|EPOLLRDHUP, EPOLL_CTL_DEL },
+	/* old=crw, write:del, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:del, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:del, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=crw, write:del, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=crw, write:del, read:xxx, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:  0, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:  0, close:add */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:  0, close:del */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:  0, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:add, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:add, close:add */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:add, close:del */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:add, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:del, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:del, close:add */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:del, close:del */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:del, close:xxx */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:xxx, close:  0 */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:xxx, close:add */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:xxx, close:del */
+	{ 0, 255 },
+	/* old=crw, write:xxx, read:xxx, close:xxx */
+	{ 0, 255 },
+};
+
+#endif
diff --git a/evbuffer-internal.h b/evbuffer-internal.h
index f9dcc06..cf4bddc 100644
--- a/evbuffer-internal.h
+++ b/evbuffer-internal.h
@@ -24,15 +24,17 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVBUFFER_INTERNAL_H_
-#define _EVBUFFER_INTERNAL_H_
+#ifndef EVBUFFER_INTERNAL_H_INCLUDED_
+#define EVBUFFER_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 #include "event2/util.h"
+#include "event2/event_struct.h"
 #include "util-internal.h"
 #include "defer-internal.h"
 
@@ -41,7 +43,7 @@
  * arguments. */
 #define EVBUFFER_CB_NODEFER 2
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
 #include <sys/queue.h>
@@ -49,7 +51,7 @@
 /* Minimum allocation for a chain.  We define this so that we're burning no
  * more than 5% of each allocation on overhead.  It would be nice to lose even
  * less space, though. */
-#if _EVENT_SIZEOF_VOID_P < 8
+#if EVENT__SIZEOF_VOID_P < 8
 #define MIN_BUFFER_SIZE	512
 #else
 #define MIN_BUFFER_SIZE	1024
@@ -59,7 +61,7 @@
  * when bytes are added to or removed from the evbuffer. */
 struct evbuffer_cb_entry {
 	/** Structures to implement a doubly-linked queue of callbacks */
-	TAILQ_ENTRY(evbuffer_cb_entry) next;
+	LIST_ENTRY(evbuffer_cb_entry) next;
 	/** The callback function to invoke when this callback is called.
 	    If EVBUFFER_CB_OBSOLETE is set in flags, the cb_obsolete field is
 	    valid; otherwise, cb_func is valid. */
@@ -106,7 +108,7 @@
 	 * tried to invoke callbacks. */
 	size_t n_del_for_cb;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	/** A lock used to mediate access to this buffer. */
 	void *lock;
 #endif
@@ -125,7 +127,7 @@
 	 * overflows when we have mutually recursive callbacks, and for
 	 * serializing callbacks in a single thread. */
 	unsigned deferred_cbs : 1;
-#ifdef WIN32
+#ifdef _WIN32
 	/** True iff this buffer is set up for overlapped IO. */
 	unsigned is_overlapped : 1;
 #endif
@@ -133,7 +135,7 @@
 	ev_uint32_t flags;
 
 	/** Used to implement deferred callbacks. */
-	struct deferred_cb_queue *cb_queue;
+	struct event_base *cb_queue;
 
 	/** A reference count on this evbuffer.	 When the reference count
 	 * reaches 0, the buffer is destroyed.	Manipulated with
@@ -141,24 +143,24 @@
 	 * evbuffer_free. */
 	int refcnt;
 
-	/** A deferred_cb handle to make all of this buffer's callbacks
+	/** A struct event_callback handle to make all of this buffer's callbacks
 	 * invoked from the event loop. */
-	struct deferred_cb deferred;
+	struct event_callback deferred;
 
 	/** A doubly-linked-list of callback functions */
-	TAILQ_HEAD(evbuffer_cb_queue, evbuffer_cb_entry) callbacks;
+	LIST_HEAD(evbuffer_cb_queue, evbuffer_cb_entry) callbacks;
 
 	/** The parent bufferevent object this evbuffer belongs to.
 	 * NULL if the evbuffer stands alone. */
 	struct bufferevent *parent;
 };
 
-#if _EVENT_SIZEOF_OFF_T < _EVENT_SIZEOF_SIZE_T
+#if EVENT__SIZEOF_OFF_T < EVENT__SIZEOF_SIZE_T
 typedef ev_ssize_t ev_misalign_t;
 #define EVBUFFER_CHAIN_MAX ((size_t)EV_SSIZE_MAX)
 #else
 typedef ev_off_t ev_misalign_t;
-#if _EVENT_SIZEOF_OFF_T > _EVENT_SIZEOF_SIZE_T
+#if EVENT__SIZEOF_OFF_T > EVENT__SIZEOF_SIZE_T
 #define EVBUFFER_CHAIN_MAX EV_SIZE_MAX
 #else
 #define EVBUFFER_CHAIN_MAX ((size_t)EV_SSIZE_MAX)
@@ -184,8 +186,8 @@
 
 	/** Set if special handling is required for this chain */
 	unsigned flags;
-#define EVBUFFER_MMAP		0x0001	/**< memory in buffer is mmaped */
-#define EVBUFFER_SENDFILE	0x0002	/**< a chain used for sendfile */
+#define EVBUFFER_FILESEGMENT	0x0001  /**< A chain used for a file segment */
+#define EVBUFFER_SENDFILE	0x0002	/**< a chain used with sendfile */
 #define EVBUFFER_REFERENCE	0x0004	/**< a chain with a mem reference */
 #define EVBUFFER_IMMUTABLE	0x0008	/**< read-only chain */
 	/** a chain that mustn't be reallocated or freed, or have its contents
@@ -196,6 +198,11 @@
 	/** a chain that should be freed, but can't be freed until it is
 	 * un-pinned. */
 #define EVBUFFER_DANGLING	0x0040
+	/** a chain that is a referenced copy of another chain */
+#define EVBUFFER_MULTICAST	0x0080
+
+	/** number of references to this chain */
+	int refcnt;
 
 	/** Usually points to the read-write memory belonging to this
 	 * buffer allocated as part of the evbuffer_chain allocation.
@@ -206,21 +213,67 @@
 	unsigned char *buffer;
 };
 
-/* this is currently used by both mmap and sendfile */
-/* TODO(niels): something strange needs to happen for Windows here, I am not
- * sure what that is, but it needs to get looked into.
- */
-struct evbuffer_chain_fd {
-	int fd;	/**< the fd associated with this chain */
-};
-
-/** callback for a reference buffer; lets us know what to do with it when
- * we're done with it. */
+/** callback for a reference chain; lets us know what to do with it when
+ * we're done with it. Lives at the end of an evbuffer_chain with the
+ * EVBUFFER_REFERENCE flag set */
 struct evbuffer_chain_reference {
 	evbuffer_ref_cleanup_cb cleanupfn;
 	void *extra;
 };
 
+/** File segment for a file-segment chain.  Lives at the end of an
+ * evbuffer_chain with the EVBUFFER_FILESEGMENT flag set.  */
+struct evbuffer_chain_file_segment {
+	struct evbuffer_file_segment *segment;
+#ifdef _WIN32
+	/** If we're using CreateFileMapping, this is the handle to the view. */
+	HANDLE view_handle;
+#endif
+};
+
+/* Declared in event2/buffer.h; defined here. */
+struct evbuffer_file_segment {
+	void *lock; /**< lock prevent concurrent access to refcnt */
+	int refcnt; /**< Reference count for this file segment */
+	unsigned flags; /**< combination of EVBUF_FS_* flags  */
+
+	/** What kind of file segment is this? */
+	unsigned can_sendfile : 1;
+	unsigned is_mapping : 1;
+
+	/** The fd that we read the data from. */
+	int fd;
+	/** If we're using mmap, this is the raw mapped memory. */
+	void *mapping;
+#ifdef _WIN32
+	/** If we're using CreateFileMapping, this is the mapping */
+	HANDLE mapping_handle;
+#endif
+	/** If we're using mmap or IO, this is the content of the file
+	 * segment. */
+	char *contents;
+	/** Position of this segment within the file. */
+	ev_off_t file_offset;
+	/** If we're using mmap, this is the offset within 'mapping' where
+	 * this data segment begins. */
+	ev_off_t mmap_offset;
+	/** The length of this segment. */
+	ev_off_t length;
+	/** Cleanup callback function */
+	evbuffer_file_segment_cleanup_cb cleanup_cb;
+	/** Argument to be pass to cleanup callback function */
+	void *cleanup_cb_arg;
+};
+
+/** Information about the multicast parent of a chain.  Lives at the
+ * end of an evbuffer_chain with the EVBUFFER_MULTICAST flag set.  */
+struct evbuffer_multicast_parent {
+	/** source buffer the multicast parent belongs to */
+	struct evbuffer *source;
+	/** multicast parent for this chain */
+	struct evbuffer_chain *parent;
+};
+
 #define EVBUFFER_CHAIN_SIZE sizeof(struct evbuffer_chain)
 /** Return a pointer to extra data allocated along with an evbuffer. */
 #define EVBUFFER_CHAIN_EXTRA(t, c) (t *)((struct evbuffer_chain *)(c) + 1)
@@ -247,21 +300,21 @@
 	} while (0)
 
 /** Increase the reference count of buf by one. */
-void _evbuffer_incref(struct evbuffer *buf);
+void evbuffer_incref_(struct evbuffer *buf);
 /** Increase the reference count of buf by one and acquire the lock. */
-void _evbuffer_incref_and_lock(struct evbuffer *buf);
+void evbuffer_incref_and_lock_(struct evbuffer *buf);
 /** Pin a single buffer chain using a given flag. A pinned chunk may not be
  * moved or freed until it is unpinned. */
-void _evbuffer_chain_pin(struct evbuffer_chain *chain, unsigned flag);
+void evbuffer_chain_pin_(struct evbuffer_chain *chain, unsigned flag);
 /** Unpin a single buffer chain using a given flag. */
-void _evbuffer_chain_unpin(struct evbuffer_chain *chain, unsigned flag);
+void evbuffer_chain_unpin_(struct evbuffer_chain *chain, unsigned flag);
 /** As evbuffer_free, but requires that we hold a lock on the buffer, and
  * releases the lock before freeing it and the buffer. */
-void _evbuffer_decref_and_unlock(struct evbuffer *buffer);
+void evbuffer_decref_and_unlock_(struct evbuffer *buffer);
 
 /** As evbuffer_expand, but does not guarantee that the newly allocated memory
  * is contiguous.  Instead, it may be split across two or more chunks. */
-int _evbuffer_expand_fast(struct evbuffer *, size_t, int);
+int evbuffer_expand_fast_(struct evbuffer *, size_t, int);
 
 /** Helper: prepares for a readv/WSARecv call by expanding the buffer to
  * hold enough memory to read 'howmuch' bytes in possibly noncontiguous memory.
@@ -269,7 +322,7 @@
  * extent, and *chainp to point to the first chain that we'll try to read into.
  * Returns the number of vecs used.
  */
-int _evbuffer_read_setup_vecs(struct evbuffer *buf, ev_ssize_t howmuch,
+int evbuffer_read_setup_vecs_(struct evbuffer *buf, ev_ssize_t howmuch,
     struct evbuffer_iovec *vecs, int n_vecs, struct evbuffer_chain ***chainp,
     int exact);
 
@@ -282,12 +335,17 @@
  * See note in buffer_iocp's launch_write function */
 
 /** Set the parent bufferevent object for buf to bev */
-void evbuffer_set_parent(struct evbuffer *buf, struct bufferevent *bev);
+void evbuffer_set_parent_(struct evbuffer *buf, struct bufferevent *bev);
 
-void evbuffer_invoke_callbacks(struct evbuffer *buf);
+void evbuffer_invoke_callbacks_(struct evbuffer *buf);
+
+
+int evbuffer_get_callbacks_(struct evbuffer *buffer,
+    struct event_callback **cbs,
+    int max_cbs);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVBUFFER_INTERNAL_H_ */
+#endif /* EVBUFFER_INTERNAL_H_INCLUDED_ */
diff --git a/evconfig-private.h b/evconfig-private.h
new file mode 100644
index 0000000..f6b08e3
--- /dev/null
+++ b/evconfig-private.h
@@ -0,0 +1,49 @@
+/* evconfig-private.h.  Generated from evconfig-private.h.in by configure.  */
+/* evconfig-private.h template - see "Configuration Header Templates" */
+/* in AC manual.  Kevin Bowling <kevin.bowling@kev009.com */
+#ifndef EVCONFIG_PRIVATE_H_INCLUDED_
+#define EVCONFIG_PRIVATE_H_INCLUDED_
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# define _ALL_SOURCE 1
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# define _TANDEM_SOURCE 1
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# define __EXTENSIONS__ 1
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* Define to 1 if on MINIX. */
+#ifndef _MINIX
+/* #undef _MINIX */
+#endif
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#ifndef _POSIX_1_SOURCE
+/* #undef _POSIX_1_SOURCE */
+#endif
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#ifndef _POSIX_SOURCE
+/* #undef _POSIX_SOURCE */
+#endif
+
+#endif
diff --git a/evconfig-private.h.in b/evconfig-private.h.in
new file mode 100644
index 0000000..7b3dfdb
--- /dev/null
+++ b/evconfig-private.h.in
@@ -0,0 +1,48 @@
+/* evconfig-private.h template - see "Configuration Header Templates" */
+/* in AC manual.  Kevin Bowling <kevin.bowling@kev009.com */
+#ifndef EVCONFIG_PRIVATE_H_INCLUDED_
+#define EVCONFIG_PRIVATE_H_INCLUDED_
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to 1 if on MINIX. */
+#ifndef _MINIX
+#undef _MINIX
+#endif
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+#ifndef _POSIX_1_SOURCE
+#undef _POSIX_1_SOURCE
+#endif
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+#ifndef _POSIX_SOURCE
+#undef _POSIX_SOURCE
+#endif
+
+#endif
diff --git a/evdns.c b/evdns.c
index 60b1048..e9dbc35 100644
--- a/evdns.c
+++ b/evdns.c
@@ -48,8 +48,10 @@
  * Version: 0.1b
  */
 
-#include <sys/types.h>
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#include <sys/types.h>
 
 #ifndef _FORTIFY_SOURCE
 #define _FORTIFY_SOURCE 3
@@ -57,23 +59,23 @@
 
 #include <string.h>
 #include <fcntl.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
-#ifdef _EVENT_HAVE_STDINT_H
+#ifdef EVENT__HAVE_STDINT_H
 #include <stdint.h>
 #endif
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <limits.h>
 #include <sys/stat.h>
 #include <stdio.h>
 #include <stdarg.h>
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #ifndef _WIN32_IE
@@ -90,10 +92,6 @@
 #include "event2/event_struct.h"
 #include "event2/thread.h"
 
-#include "event2/bufferevent.h"
-#include "event2/bufferevent_struct.h"
-#include "bufferevent-internal.h"
-
 #include "defer-internal.h"
 #include "log-internal.h"
 #include "mm-internal.h"
@@ -101,7 +99,7 @@
 #include "ipv6-internal.h"
 #include "util-internal.h"
 #include "evthread-internal.h"
-#ifdef WIN32
+#ifdef _WIN32
 #include <ctype.h>
 #include <winsock2.h>
 #include <windows.h>
@@ -113,13 +111,13 @@
 #include <arpa/inet.h>
 #endif
 
-#ifdef _EVENT_HAVE_NETINET_IN6_H
+#ifdef EVENT__HAVE_NETINET_IN6_H
 #include <netinet/in6.h>
 #endif
 
-#define EVDNS_LOG_DEBUG 0
-#define EVDNS_LOG_WARN 1
-#define EVDNS_LOG_MSG 2
+#define EVDNS_LOG_DEBUG EVENT_LOG_DEBUG
+#define EVDNS_LOG_WARN EVENT_LOG_WARN
+#define EVDNS_LOG_MSG EVENT_LOG_MSG
 
 #ifndef HOST_NAME_MAX
 #define HOST_NAME_MAX 255
@@ -234,6 +232,10 @@
 	char choked;  /* true if we have an EAGAIN from this server's socket */
 	char write_waiting;  /* true if we are waiting for EV_WRITE events */
 	struct evdns_base *base;
+
+	/* Number of currently inflight requests: used
+	 * to track when we should add/del the event. */
+	int requests_inflight;
 };
 
 
@@ -251,7 +253,7 @@
 	struct server_request *pending_replies;
 	struct event_base *event_base;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	void *lock;
 #endif
 };
@@ -353,9 +355,11 @@
 
 	TAILQ_HEAD(hosts_list, hosts_entry) hostsdb;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	void *lock;
 #endif
+
+	int disable_when_inactive;
 };
 
 struct hosts_entry {
@@ -408,13 +412,14 @@
 static int evdns_base_set_option_impl(struct evdns_base *base,
     const char *option, const char *val, int flags);
 static void evdns_base_free_and_unlock(struct evdns_base *base, int fail_requests);
+static void evdns_request_timeout_callback(evutil_socket_t fd, short events, void *arg);
 
 static int strtoint(const char *const str);
 
-#ifdef _EVENT_DISABLE_THREAD_SUPPORT
-#define EVDNS_LOCK(base)  _EVUTIL_NIL_STMT
-#define EVDNS_UNLOCK(base) _EVUTIL_NIL_STMT
-#define ASSERT_LOCKED(base) _EVUTIL_NIL_STMT
+#ifdef EVENT__DISABLE_THREAD_SUPPORT
+#define EVDNS_LOCK(base)  EVUTIL_NIL_STMT_
+#define EVDNS_UNLOCK(base) EVUTIL_NIL_STMT_
+#define ASSERT_LOCKED(base) EVUTIL_NIL_STMT_
 #else
 #define EVDNS_LOCK(base)			\
 	EVLOCK_LOCK((base)->lock, 0)
@@ -424,17 +429,6 @@
 	EVLOCK_ASSERT_LOCKED((base)->lock)
 #endif
 
-static void
-default_evdns_log_fn(int warning, const char *buf)
-{
-	if (warning == EVDNS_LOG_WARN)
-		event_warnx("[evdns] %s", buf);
-	else if (warning == EVDNS_LOG_MSG)
-		event_msgx("[evdns] %s", buf);
-	else
-		event_debug(("[evdns] %s", buf));
-}
-
 static evdns_debug_log_fn_type evdns_log_fn = NULL;
 
 void
@@ -449,28 +443,24 @@
 #define EVDNS_LOG_CHECK
 #endif
 
-static void _evdns_log(int warn, const char *fmt, ...) EVDNS_LOG_CHECK;
+static void evdns_log_(int severity, const char *fmt, ...) EVDNS_LOG_CHECK;
 static void
-_evdns_log(int warn, const char *fmt, ...)
+evdns_log_(int severity, const char *fmt, ...)
 {
 	va_list args;
-	char buf[512];
-	if (!evdns_log_fn)
-		return;
 	va_start(args,fmt);
-	evutil_vsnprintf(buf, sizeof(buf), fmt, args);
-	va_end(args);
 	if (evdns_log_fn) {
-		if (warn == EVDNS_LOG_MSG)
-			warn = EVDNS_LOG_WARN;
-		evdns_log_fn(warn, buf);
+		char buf[512];
+		int is_warn = (severity == EVDNS_LOG_WARN);
+		evutil_vsnprintf(buf, sizeof(buf), fmt, args);
+		evdns_log_fn(is_warn, buf);
 	} else {
-		default_evdns_log_fn(warn, buf);
+		event_logv_(severity, NULL, fmt, args);
 	}
-
+	va_end(args);
 }
 
-#define log _evdns_log
+#define log evdns_log_
 
 /* This walks the list of inflight requests to find the */
 /* one with a matching transaction id. Returns NULL on */
@@ -545,12 +535,23 @@
 		char addrbuf[128];
 		log(EVDNS_LOG_WARN,
 		    "Error from libevent when adding timer event for %s",
-		    evutil_format_sockaddr_port(
+		    evutil_format_sockaddr_port_(
 			    (struct sockaddr *)&ns->address,
 			    addrbuf, sizeof(addrbuf)));
 	}
 }
 
+static void
+request_swap_ns(struct request *req, struct nameserver *ns) {
+	if (ns && req->ns != ns) {
+		EVUTIL_ASSERT(req->ns->requests_inflight > 0);
+		req->ns->requests_inflight--;
+		ns->requests_inflight++;
+
+		req->ns = ns;
+	}
+}
+
 /* called when a nameserver has been deemed to have failed. For example, too */
 /* many packets have timed out etc */
 static void
@@ -566,7 +567,7 @@
 	if (!ns->state) return;
 
 	log(EVDNS_LOG_MSG, "Nameserver %s has failed: %s",
-	    evutil_format_sockaddr_port(
+	    evutil_format_sockaddr_port_(
 		    (struct sockaddr *)&ns->address,
 		    addrbuf, sizeof(addrbuf)),
 	    msg);
@@ -584,7 +585,7 @@
 		&base->global_nameserver_probe_initial_timeout) < 0) {
 		log(EVDNS_LOG_WARN,
 		    "Error from libevent when adding timer event for %s",
-		    evutil_format_sockaddr_port(
+		    evutil_format_sockaddr_port_(
 			    (struct sockaddr *)&ns->address,
 			    addrbuf, sizeof(addrbuf)));
 		/* ???? Do more? */
@@ -605,7 +606,7 @@
 				if (req->tx_count == 0 && req->ns == ns) {
 					/* still waiting to go out, can be moved */
 					/* to another server */
-					req->ns = nameserver_pick(base);
+					request_swap_ns(req, nameserver_pick(base));
 				}
 				req = req->next;
 			} while (req != started_at);
@@ -620,7 +621,7 @@
 	ASSERT_LOCKED(ns->base);
 	if (ns->state) return;
 	log(EVDNS_LOG_MSG, "Nameserver %s is back up",
-	    evutil_format_sockaddr_port(
+	    evutil_format_sockaddr_port_(
 		    (struct sockaddr *)&ns->address,
 		    addrbuf, sizeof(addrbuf)));
 	evtimer_del(&ns->timeout_event);
@@ -658,12 +659,20 @@
 	if (was_inflight) {
 		evtimer_del(&req->timeout_event);
 		base->global_requests_inflight--;
+		req->ns->requests_inflight--;
 	} else {
 		base->global_requests_waiting--;
 	}
 	/* it was initialized during request_new / evtimer_assign */
 	event_debug_unassign(&req->timeout_event);
 
+	if (req->ns &&
+	    req->ns->requests_inflight == 0 &&
+	    req->base->disable_when_inactive) {
+		event_del(&req->ns->event);
+		evtimer_del(&req->ns->timeout_event);
+	}
+
 	if (!req->request_appended) {
 		/* need to free the request data on it's own */
 		mm_free(req->request);
@@ -710,7 +719,7 @@
 	/* the last nameserver should have been marked as failing */
 	/* by the caller of this function, therefore pick will try */
 	/* not to return it */
-	req->ns = nameserver_pick(req->base);
+	request_swap_ns(req, nameserver_pick(req->base));
 	if (req->ns == last_ns) {
 		/* ... but pick did return it */
 		/* not a lot of point in trying again with the */
@@ -745,6 +754,8 @@
 			return;
 
 		/* move a request from the waiting queue to the inflight queue */
+		req->ns->requests_inflight++;
+
 		evdns_request_remove(req, &base->req_waiting_head);
 
 		base->global_requests_waiting--;
@@ -760,7 +771,7 @@
 
 /* TODO(nickm) document */
 struct deferred_reply_callback {
-	struct deferred_cb deferred;
+	struct event_callback deferred;
 	struct evdns_request *handle;
 	u8 request_type;
 	u8 have_reply;
@@ -771,7 +782,7 @@
 };
 
 static void
-reply_run_callback(struct deferred_cb *d, void *user_pointer)
+reply_run_callback(struct event_callback *d, void *user_pointer)
 {
 	struct deferred_reply_callback *cb =
 	    EVUTIL_UPCAST(d, struct deferred_reply_callback, deferred);
@@ -842,10 +853,13 @@
 		d->handle = req->handle;
 	}
 
-	event_deferred_cb_init(&d->deferred, reply_run_callback,
+	event_deferred_cb_init_(
+	    &d->deferred,
+	    event_get_priority(&req->timeout_event),
+	    reply_run_callback,
 	    req->user_pointer);
-	event_deferred_cb_schedule(
-		event_base_get_deferred_cb_queue(req->base->event_base),
+	event_deferred_cb_schedule_(
+		req->base->event_base,
 		&d->deferred);
 }
 
@@ -899,10 +913,12 @@
 			 */
 			log(EVDNS_LOG_DEBUG, "Got a SERVERFAILED from nameserver"
 				"at %s; will allow the request to time out.",
-			    evutil_format_sockaddr_port(
+			    evutil_format_sockaddr_port_(
 				    (struct sockaddr *)&req->ns->address,
 				    addrbuf, sizeof(addrbuf)));
-			break;
+			/* Call the timeout function */
+			evdns_request_timeout_callback(0, 0, req);
+			return;
 		default:
 			/* we got a good reply from the nameserver: it is up. */
 			if (req->handle == req->ns->probe_request) {
@@ -945,8 +961,8 @@
 	int name_end = -1;
 	int j = *idx;
 	int ptr_count = 0;
-#define GET32(x) do { if (j + 4 > length) goto err; memcpy(&_t32, packet + j, 4); j += 4; x = ntohl(_t32); } while (0)
-#define GET16(x) do { if (j + 2 > length) goto err; memcpy(&_t, packet + j, 2); j += 2; x = ntohs(_t); } while (0)
+#define GET32(x) do { if (j + 4 > length) goto err; memcpy(&t32_, packet + j, 4); j += 4; x = ntohl(t32_); } while (0)
+#define GET16(x) do { if (j + 2 > length) goto err; memcpy(&t_, packet + j, 2); j += 2; x = ntohs(t_); } while (0)
 #define GET8(x) do { if (j >= length) goto err; x = packet[j++]; } while (0)
 
 	char *cp = name_out;
@@ -960,7 +976,6 @@
 
 	for (;;) {
 		u8 label_len;
-		if (j >= length) return -1;
 		GET8(label_len);
 		if (!label_len) break;
 		if (label_len & 0xc0) {
@@ -981,6 +996,7 @@
 			*cp++ = '.';
 		}
 		if (cp + label_len >= end) return -1;
+		if (j + label_len > length) return -1;
 		memcpy(cp, packet + j, label_len);
 		cp += label_len;
 		j += label_len;
@@ -1000,8 +1016,8 @@
 static int
 reply_parse(struct evdns_base *base, u8 *packet, int length) {
 	int j = 0, k = 0;  /* index into packet */
-	u16 _t;	 /* used by the macros */
-	u32 _t32;  /* used by the macros */
+	u16 t_;	 /* used by the macros */
+	u32 t32_;  /* used by the macros */
 	char tmp_name[256], cmp_name[256]; /* used by the macros */
 	int name_matches = 0;
 
@@ -1044,24 +1060,6 @@
 			sizeof(tmp_name))<0)			\
 			goto err;				\
 	} while (0)
-#define TEST_NAME							\
-	do { tmp_name[0] = '\0';					\
-		cmp_name[0] = '\0';					\
-		k = j;							\
-		if (name_parse(packet, length, &j, tmp_name,		\
-			sizeof(tmp_name))<0)				\
-			goto err;					\
-		if (name_parse(req->request, req->request_len, &k,	\
-			cmp_name, sizeof(cmp_name))<0)			\
-			goto err;					\
-		if (base->global_randomize_case) {			\
-			if (strcmp(tmp_name, cmp_name) == 0)		\
-				name_matches = 1;			\
-		} else {						\
-			if (evutil_ascii_strcasecmp(tmp_name, cmp_name) == 0) \
-				name_matches = 1;			\
-		}							\
-	} while (0)
 
 	reply.type = req->request_type;
 
@@ -1070,9 +1068,25 @@
 		/* the question looks like
 		 *   <label:name><u16:type><u16:class>
 		 */
-		TEST_NAME;
+		tmp_name[0] = '\0';
+		cmp_name[0] = '\0';
+		k = j;
+		if (name_parse(packet, length, &j, tmp_name, sizeof(tmp_name)) < 0)
+			goto err;
+		if (name_parse(req->request, req->request_len, &k,
+			cmp_name, sizeof(cmp_name))<0)
+			goto err;
+		if (!base->global_randomize_case) {
+			if (strcmp(tmp_name, cmp_name) == 0)
+				name_matches = 1;
+		} else {
+			if (evutil_ascii_strcasecmp(tmp_name, cmp_name) == 0)
+				name_matches = 1;
+		}
+
 		j += 4;
-		if (j > length) goto err;
+		if (j > length)
+			goto err;
 	}
 
 	if (!name_matches)
@@ -1202,7 +1216,7 @@
 request_parse(u8 *packet, int length, struct evdns_server_port *port, struct sockaddr *addr, ev_socklen_t addrlen)
 {
 	int j = 0;	/* index into packet */
-	u16 _t;	 /* used by the macros */
+	u16 t_;	 /* used by the macros */
 	char tmp_name[256]; /* used by the macros */
 
 	int i;
@@ -1377,7 +1391,7 @@
 			(struct sockaddr*)&ns->address, 0)) {
 			log(EVDNS_LOG_WARN, "Address mismatch on received "
 			    "DNS packet.  Apparent source was %s",
-			    evutil_format_sockaddr_port(
+			    evutil_format_sockaddr_port_(
 				    (struct sockaddr *)&ss,
 				    addrbuf, sizeof(addrbuf)));
 			return;
@@ -1467,7 +1481,7 @@
 	if (event_add(&ns->event, NULL) < 0) {
 		char addrbuf[128];
 		log(EVDNS_LOG_WARN, "Error from libevent when adding event for %s",
-		    evutil_format_sockaddr_port(
+		    evutil_format_sockaddr_port_(
 			    (struct sockaddr *)&ns->address,
 			    addrbuf, sizeof(addrbuf)));
 		/* ???? Do more? */
@@ -1588,20 +1602,20 @@
 				  struct dnslabel_table *table) {
 	const char *end = name + name_len;
 	int ref = 0;
-	u16 _t;
+	u16 t_;
 
 #define APPEND16(x) do {						\
 		if (j + 2 > (off_t)buf_len)				\
 			goto overflow;					\
-		_t = htons(x);						\
-		memcpy(buf + j, &_t, 2);				\
+		t_ = htons(x);						\
+		memcpy(buf + j, &t_, 2);				\
 		j += 2;							\
 	} while (0)
 #define APPEND32(x) do {						\
 		if (j + 4 > (off_t)buf_len)				\
 			goto overflow;					\
-		_t32 = htonl(x);					\
-		memcpy(buf + j, &_t32, 4);				\
+		t32_ = htonl(x);					\
+		memcpy(buf + j, &t32_, 4);				\
 		j += 4;							\
 	} while (0)
 
@@ -1667,7 +1681,7 @@
     const u16 trans_id, const u16 type, const u16 class,
     u8 *const buf, size_t buf_len) {
 	off_t j = 0;  /* current offset into buf */
-	u16 _t;	 /* used by the macros */
+	u16 t_;	 /* used by the macros */
 
 	APPEND16(trans_id);
 	APPEND16(0x0100);  /* standard query, recusion needed */
@@ -1742,9 +1756,9 @@
 
 /* exported function */
 int
-evdns_server_request_add_reply(struct evdns_server_request *_req, int section, const char *name, int type, int class, int ttl, int datalen, int is_name, const char *data)
+evdns_server_request_add_reply(struct evdns_server_request *req_, int section, const char *name, int type, int class, int ttl, int datalen, int is_name, const char *data)
 {
-	struct server_request *req = TO_SERVER_REQUEST(_req);
+	struct server_request *req = TO_SERVER_REQUEST(req_);
 	struct server_reply_item **itemp, *item;
 	int *countp;
 	int result = -1;
@@ -1879,8 +1893,8 @@
 	unsigned char buf[1500];
 	size_t buf_len = sizeof(buf);
 	off_t j = 0, r;
-	u16 _t;
-	u32 _t32;
+	u16 t_;
+	u32 t32_;
 	int i;
 	u16 flags;
 	struct dnslabel_table table;
@@ -1938,8 +1952,8 @@
 				if (r < 0)
 					goto overflow;
 				j = r;
-				_t = htons( (short) (j-name_start) );
-				memcpy(buf+len_idx, &_t, 2);
+				t_ = htons( (short) (j-name_start) );
+				memcpy(buf+len_idx, &t_, 2);
 			} else {
 				APPEND16(item->datalen);
 				if (j+item->datalen > (off_t)buf_len)
@@ -1972,9 +1986,9 @@
 
 /* exported function */
 int
-evdns_server_request_respond(struct evdns_server_request *_req, int err)
+evdns_server_request_respond(struct evdns_server_request *req_, int err)
 {
-	struct server_request *req = TO_SERVER_REQUEST(_req);
+	struct server_request *req = TO_SERVER_REQUEST(req_);
 	struct evdns_server_port *port = req->port;
 	int r = -1;
 
@@ -2120,18 +2134,18 @@
 
 /* exported function */
 int
-evdns_server_request_drop(struct evdns_server_request *_req)
+evdns_server_request_drop(struct evdns_server_request *req_)
 {
-	struct server_request *req = TO_SERVER_REQUEST(_req);
+	struct server_request *req = TO_SERVER_REQUEST(req_);
 	server_request_free(req);
 	return 0;
 }
 
 /* exported function */
 int
-evdns_server_request_get_requesting_addr(struct evdns_server_request *_req, struct sockaddr *sa, int addr_len)
+evdns_server_request_get_requesting_addr(struct evdns_server_request *req_, struct sockaddr *sa, int addr_len)
 {
-	struct server_request *req = TO_SERVER_REQUEST(_req);
+	struct server_request *req = TO_SERVER_REQUEST(req_);
 	if (addr_len < (int)req->addrlen)
 		return -1;
 	memcpy(sa, &(req->addr), req->addrlen);
@@ -2154,29 +2168,30 @@
 	log(EVDNS_LOG_DEBUG, "Request %p timed out", arg);
 	EVDNS_LOCK(base);
 
-	req->ns->timedout++;
-	if (req->ns->timedout > req->base->global_max_nameserver_timeout) {
-		req->ns->timedout = 0;
-		nameserver_failed(req->ns, "request timed out.");
-	}
-
 	if (req->tx_count >= req->base->global_max_retransmits) {
+		struct nameserver *ns = req->ns;
 		/* this request has failed */
 		log(EVDNS_LOG_DEBUG, "Giving up on request %p; tx_count==%d",
 		    arg, req->tx_count);
 		reply_schedule_callback(req, 0, DNS_ERR_TIMEOUT, NULL);
+
 		request_finished(req, &REQ_HEAD(req->base, req->trans_id), 1);
+		nameserver_failed(ns, "request timed out.");
 	} else {
 		/* retransmit it */
-		struct nameserver *new_ns;
 		log(EVDNS_LOG_DEBUG, "Retransmitting request %p; tx_count==%d",
 		    arg, req->tx_count);
 		(void) evtimer_del(&req->timeout_event);
-		new_ns = nameserver_pick(base);
-		if (new_ns)
-			req->ns = new_ns;
+		request_swap_ns(req, nameserver_pick(base));
 		evdns_request_transmit(req);
+
+		req->ns->timedout++;
+		if (req->ns->timedout > req->base->global_max_nameserver_timeout) {
+			req->ns->timedout = 0;
+			nameserver_failed(req->ns, "request timed out.");
+		}
 	}
+
 	EVDNS_UNLOCK(base);
 }
 
@@ -2191,6 +2206,13 @@
 	int r;
 	ASSERT_LOCKED(req->base);
 	ASSERT_VALID_REQUEST(req);
+
+	if (server->requests_inflight == 1 &&
+		req->base->disable_when_inactive &&
+		event_add(&server->event, NULL) < 0) {
+		return 1;
+	}
+
 	r = sendto(server->socket, (void*)req->request, req->request_len, 0,
 	    (struct sockaddr *)&server->address, server->addrlen);
 	if (r < 0) {
@@ -2299,7 +2321,7 @@
 
 	ASSERT_LOCKED(ns->base);
 	log(EVDNS_LOG_DEBUG, "Sending probe to %s",
-	    evutil_format_sockaddr_port(
+	    evutil_format_sockaddr_port_(
 		    (struct sockaddr *)&ns->address,
 		    addrbuf, sizeof(addrbuf)));
 	handle = mm_calloc(1, sizeof(*handle));
@@ -2460,7 +2482,7 @@
 }
 
 static int
-_evdns_nameserver_add_impl(struct evdns_base *base, const struct sockaddr *address, int addrlen) {
+evdns_nameserver_add_impl_(struct evdns_base *base, const struct sockaddr *address, int addrlen) {
 	/* first check to see if we already have this nameserver */
 
 	const struct nameserver *server = base->server_head, *const started_at = base->server_head;
@@ -2488,13 +2510,12 @@
 
 	evtimer_assign(&ns->timeout_event, ns->base->event_base, nameserver_prod_callback, ns);
 
-	ns->socket = socket(address->sa_family, SOCK_DGRAM, 0);
+	ns->socket = evutil_socket_(address->sa_family,
+	    SOCK_DGRAM|EVUTIL_SOCK_NONBLOCK|EVUTIL_SOCK_CLOEXEC, 0);
 	if (ns->socket < 0) { err = 1; goto out1; }
-	evutil_make_socket_closeonexec(ns->socket);
-	evutil_make_socket_nonblocking(ns->socket);
 
 	if (base->global_outgoing_addrlen &&
-	    !evutil_sockaddr_is_loopback(address)) {
+	    !evutil_sockaddr_is_loopback_(address)) {
 		if (bind(ns->socket,
 			(struct sockaddr*)&base->global_outgoing_address,
 			base->global_outgoing_addrlen) < 0) {
@@ -2507,14 +2528,15 @@
 	memcpy(&ns->address, address, addrlen);
 	ns->addrlen = addrlen;
 	ns->state = 1;
-	event_assign(&ns->event, ns->base->event_base, ns->socket, EV_READ | EV_PERSIST, nameserver_ready_callback, ns);
-	if (event_add(&ns->event, NULL) < 0) {
+	event_assign(&ns->event, ns->base->event_base, ns->socket,
+				 EV_READ | EV_PERSIST, nameserver_ready_callback, ns);
+	if (!base->disable_when_inactive && event_add(&ns->event, NULL) < 0) {
 		err = 2;
 		goto out2;
 	}
 
 	log(EVDNS_LOG_DEBUG, "Added nameserver %s as %p",
-	    evutil_format_sockaddr_port(address, addrbuf, sizeof(addrbuf)), ns);
+	    evutil_format_sockaddr_port_(address, addrbuf, sizeof(addrbuf)), ns);
 
 	/* insert this nameserver into the list of them */
 	if (!base->server_head) {
@@ -2537,7 +2559,7 @@
 	event_debug_unassign(&ns->event);
 	mm_free(ns);
 	log(EVDNS_LOG_WARN, "Unable to add nameserver %s: error %d",
-	    evutil_format_sockaddr_port(address, addrbuf, sizeof(addrbuf)), err);
+	    evutil_format_sockaddr_port_(address, addrbuf, sizeof(addrbuf)), err);
 	return err;
 }
 
@@ -2552,7 +2574,7 @@
 	sin.sin_port = htons(53);
 	sin.sin_family = AF_INET;
 	EVDNS_LOCK(base);
-	res = _evdns_nameserver_add_impl(base, (struct sockaddr*)&sin, sizeof(sin));
+	res = evdns_nameserver_add_impl_(base, (struct sockaddr*)&sin, sizeof(sin));
 	EVDNS_UNLOCK(base);
 	return res;
 }
@@ -2604,7 +2626,7 @@
 		sockaddr_setport(sa, 53);
 
 	EVDNS_LOCK(base);
-	res = _evdns_nameserver_add_impl(base, sa, len);
+	res = evdns_nameserver_add_impl_(base, sa, len);
 	EVDNS_UNLOCK(base);
 	return res;
 }
@@ -2623,11 +2645,39 @@
 	int res;
 	EVUTIL_ASSERT(base);
 	EVDNS_LOCK(base);
-	res = _evdns_nameserver_add_impl(base, sa, len);
+	res = evdns_nameserver_add_impl_(base, sa, len);
 	EVDNS_UNLOCK(base);
 	return res;
 }
 
+int
+evdns_base_get_nameserver_addr(struct evdns_base *base, int idx,
+    struct sockaddr *sa, ev_socklen_t len)
+{
+	int result = -1;
+	int i;
+	struct nameserver *server;
+	EVDNS_LOCK(base);
+	server = base->server_head;
+	for (i = 0; i < idx && server; ++i, server = server->next) {
+		if (server->next == base->server_head)
+			goto done;
+	}
+	if (! server)
+		goto done;
+
+	if (server->addrlen > len) {
+		result = (int) server->addrlen;
+		goto done;
+	}
+
+	memcpy(sa, &server->address, server->addrlen);
+	result = (int) server->addrlen;
+done:
+	EVDNS_UNLOCK(base);
+	return result;
+}
+
 /* remove from the queue */
 static void
 evdns_request_remove(struct request *req, struct request **head)
@@ -2731,7 +2781,7 @@
 		strlcpy(namebuf, name, sizeof(namebuf));
 		evutil_secure_rng_get_bytes(randbits, (name_len+7)/8);
 		for (i = 0; i < name_len; ++i) {
-			if (EVUTIL_ISALPHA(namebuf[i])) {
+			if (EVUTIL_ISALPHA_(namebuf[i])) {
 				if ((randbits[i >> 3] & (1<<(i & 7))))
 					namebuf[i] |= 0x20;
 				else
@@ -2779,7 +2829,10 @@
 		/* if it has a nameserver assigned then this is going */
 		/* straight into the inflight queue */
 		evdns_request_insert(req, &REQ_HEAD(base, req->trans_id));
+
 		base->global_requests_inflight++;
+		req->ns->requests_inflight++;
+
 		evdns_request_transmit(req);
 	} else {
 		evdns_request_insert(req, &base->req_waiting_head);
@@ -3122,9 +3175,12 @@
 static char *
 search_make_new(const struct search_state *const state, int n, const char *const base_name) {
 	const size_t base_len = strlen(base_name);
-	const char need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
+	char need_to_append_dot;
 	struct search_domain *dom;
 
+	if (!base_len) return NULL;
+	need_to_append_dot = base_name[base_len - 1] == '.' ? 0 : 1;
+
 	for (dom = state->head; dom; dom = dom->next) {
 		if (!n--) {
 			/* this is the postfix we want */
@@ -3263,7 +3319,7 @@
 	if (flags & DNS_OPTION_NAMESERVERS) evdns_base_nameserver_ip_add(base,"127.0.0.1");
 }
 
-#ifndef _EVENT_HAVE_STRTOK_R
+#ifndef EVENT__HAVE_STRTOK_R
 static char *
 strtok_r(char *s, const char *delim, char **state) {
 	char *cp, *start;
@@ -3297,7 +3353,7 @@
 
 /* Parse a number of seconds into a timeval; return -1 on error. */
 static int
-strtotimeval(const char *const str, struct timeval *out)
+evdns_strtotimeval(const char *const str, struct timeval *out)
 {
 	double d;
 	char *endptr;
@@ -3400,13 +3456,13 @@
 		base->global_search_state->ndots = ndots;
 	} else if (str_matches_option(option, "timeout:")) {
 		struct timeval tv;
-		if (strtotimeval(val, &tv) == -1) return -1;
+		if (evdns_strtotimeval(val, &tv) == -1) return -1;
 		if (!(flags & DNS_OPTION_MISC)) return 0;
 		log(EVDNS_LOG_DEBUG, "Setting timeout to %s", val);
 		memcpy(&base->global_timeout, &tv, sizeof(struct timeval));
 	} else if (str_matches_option(option, "getaddrinfo-allow-skew:")) {
 		struct timeval tv;
-		if (strtotimeval(val, &tv) == -1) return -1;
+		if (evdns_strtotimeval(val, &tv) == -1) return -1;
 		if (!(flags & DNS_OPTION_MISC)) return 0;
 		log(EVDNS_LOG_DEBUG, "Setting getaddrinfo-allow-skew to %s",
 		    val);
@@ -3448,7 +3504,7 @@
 		base->global_outgoing_addrlen = len;
 	} else if (str_matches_option(option, "initial-probe-timeout:")) {
 		struct timeval tv;
-		if (strtotimeval(val, &tv) == -1) return -1;
+		if (evdns_strtotimeval(val, &tv) == -1) return -1;
 		if (tv.tv_sec > 3600)
 			tv.tv_sec = 3600;
 		if (!(flags & DNS_OPTION_MISC)) return 0;
@@ -3528,7 +3584,7 @@
 static char *
 evdns_get_default_hosts_filename(void)
 {
-#ifdef WIN32
+#ifdef _WIN32
 	/* Windows is a little coy about where it puts its configuration
 	 * files.  Sure, they're _usually_ in C:\windows\system32, but
 	 * there's no reason in principle they couldn't be in
@@ -3541,8 +3597,8 @@
 
 	if (! SHGetSpecialFolderPathA(NULL, path, CSIDL_SYSTEM, 0))
 		return NULL;
-	len_out = strlen(path)+strlen(hostfile);
-	path_out = mm_malloc(len_out+1);
+	len_out = strlen(path)+strlen(hostfile)+1;
+	path_out = mm_malloc(len_out);
 	evutil_snprintf(path_out, len_out, "%s%s", path, hostfile);
 	return path_out;
 #else
@@ -3566,7 +3622,7 @@
 			mm_free(fname);
 	}
 
-	if ((err = evutil_read_file(filename, &resolv, &n, 0)) < 0) {
+	if ((err = evutil_read_file_(filename, &resolv, &n, 0)) < 0) {
 		if (err == -1) {
 			/* No file. */
 			evdns_resolv_set_defaults(base, flags);
@@ -3610,7 +3666,7 @@
 }
 
 
-#ifdef WIN32
+#ifdef _WIN32
 /* Add multiple nameservers from a space-or-comma-separated list. */
 static int
 evdns_nameserver_ip_add_line(struct evdns_base *base, const char *ips) {
@@ -3653,7 +3709,7 @@
 	GetNetworkParams_fn_t fn;
 
 	ASSERT_LOCKED(base);
-	if (!(handle = evutil_load_windows_system_library(
+	if (!(handle = evutil_load_windows_system_library_(
 			TEXT("iphlpapi.dll")))) {
 		log(EVDNS_LOG_WARN, "Could not open iphlpapi.dll");
 		status = -1;
@@ -3812,17 +3868,18 @@
 	if (base == NULL)
 		return -1;
 	EVDNS_LOCK(base);
+	fname = evdns_get_default_hosts_filename();
+	log(EVDNS_LOG_DEBUG, "Loading hosts entries from %s", fname);
+	evdns_base_load_hosts(base, fname);
+	if (fname)
+		mm_free(fname);
+
 	if (load_nameservers_with_getnetworkparams(base) == 0) {
 		EVDNS_UNLOCK(base);
 		return 0;
 	}
 	r = load_nameservers_from_registry(base);
 
-	fname = evdns_get_default_hosts_filename();
-	evdns_base_load_hosts(base, fname);
-	if (fname)
-		mm_free(fname);
-
 	EVDNS_UNLOCK(base);
 	return r;
 }
@@ -3840,7 +3897,7 @@
 #endif
 
 struct evdns_base *
-evdns_base_new(struct event_base *event_base, int initialize_nameservers)
+evdns_base_new(struct event_base *event_base, int flags)
 {
 	struct evdns_base *base;
 
@@ -3853,7 +3910,8 @@
 	/* Give the evutil library a hook into its evdns-enabled
 	 * functionality.  We can't just call evdns_getaddrinfo directly or
 	 * else libevent-core will depend on libevent-extras. */
-	evutil_set_evdns_getaddrinfo_fn(evdns_getaddrinfo);
+	evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo);
+	evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel);
 
 	base = mm_malloc(sizeof(struct evdns_base));
 	if (base == NULL)
@@ -3888,9 +3946,18 @@
 
 	TAILQ_INIT(&base->hostsdb);
 
-	if (initialize_nameservers) {
+#define EVDNS_BASE_ALL_FLAGS (0x8001)
+	if (flags & ~EVDNS_BASE_ALL_FLAGS) {
+		flags = EVDNS_BASE_INITIALIZE_NAMESERVERS;
+		log(EVDNS_LOG_WARN,
+		    "Unrecognized flag passed to evdns_base_new(). Assuming "
+		    "you meant EVDNS_BASE_INITIALIZE_NAMESERVERS.");
+	}
+#undef EVDNS_BASE_ALL_FLAGS
+
+	if (flags & EVDNS_BASE_INITIALIZE_NAMESERVERS) {
 		int r;
-#ifdef WIN32
+#ifdef _WIN32
 		r = evdns_base_config_windows_nameservers(base);
 #else
 		r = evdns_base_resolv_conf_parse(base, DNS_OPTIONS_ALL, "/etc/resolv.conf");
@@ -3900,6 +3967,10 @@
 			return NULL;
 		}
 	}
+	if (flags & EVDNS_BASE_DISABLE_WHEN_INACTIVE) {
+		base->disable_when_inactive = 1;
+	}
+
 	EVDNS_UNLOCK(base);
 	return base;
 }
@@ -3941,7 +4012,7 @@
 evdns_nameserver_free(struct nameserver *server)
 {
 	if (server->socket >= 0)
-	evutil_closesocket(server->socket);
+		evutil_closesocket(server->socket);
 	(void) event_del(&server->event);
 	event_debug_unassign(&server->event);
 	if (server->state == 0)
@@ -3965,15 +4036,6 @@
 
 	/* TODO(nickm) we might need to refcount here. */
 
-	for (server = base->server_head; server; server = server_next) {
-		server_next = server->next;
-		evdns_nameserver_free(server);
-		if (server_next == base->server_head)
-			break;
-	}
-	base->server_head = NULL;
-	base->global_good_nameservers = 0;
-
 	for (i = 0; i < base->n_req_heads; ++i) {
 		while (base->req_heads[i]) {
 			if (fail_requests)
@@ -3988,6 +4050,16 @@
 	}
 	base->global_requests_inflight = base->global_requests_waiting = 0;
 
+	for (server = base->server_head; server; server = server_next) {
+		server_next = server->next;
+		/** already done something before */
+		server->probe_request = NULL;
+		evdns_nameserver_free(server);
+		if (server_next == base->server_head)
+			break;
+	}
+	base->server_head = NULL;
+	base->global_good_nameservers = 0;
 
 	if (base->global_search_state) {
 		for (dom = base->global_search_state->head; dom; dom = dom_next) {
@@ -4022,6 +4094,18 @@
 }
 
 void
+evdns_base_clear_host_addresses(struct evdns_base *base)
+{
+	struct hosts_entry *victim;
+	EVDNS_LOCK(base);
+	while ((victim = TAILQ_FIRST(&base->hostsdb))) {
+		TAILQ_REMOVE(&base->hostsdb, victim, next);
+		mm_free(victim);
+	}
+	EVDNS_UNLOCK(base);
+}
+
+void
 evdns_shutdown(int fail_requests)
 {
 	if (current_base) {
@@ -4096,7 +4180,7 @@
 	ASSERT_LOCKED(base);
 
 	if (hosts_fname == NULL ||
-	    (err = evutil_read_file(hosts_fname, &str, &len, 0)) < 0) {
+	    (err = evutil_read_file_(hosts_fname, &str, &len, 0)) < 0) {
 		char tmp[64];
 		strlcpy(tmp, "127.0.0.1   localhost", sizeof(tmp));
 		evdns_base_parse_hosts_line(base, tmp);
@@ -4325,17 +4409,23 @@
 		other_req = &data->ipv4_request;
 	}
 
-	EVDNS_LOCK(data->evdns_base);
-	if (evdns_result_is_answer(result)) {
-		if (req->type == DNS_IPv4_A)
-			++data->evdns_base->getaddrinfo_ipv4_answered;
-		else
-			++data->evdns_base->getaddrinfo_ipv6_answered;
+	/** Called from evdns_base_free() with @fail_requests == 1 */
+	if (result != DNS_ERR_SHUTDOWN) {
+		EVDNS_LOCK(data->evdns_base);
+		if (evdns_result_is_answer(result)) {
+			if (req->type == DNS_IPv4_A)
+				++data->evdns_base->getaddrinfo_ipv4_answered;
+			else
+				++data->evdns_base->getaddrinfo_ipv6_answered;
+		}
+		user_canceled = data->user_canceled;
+		if (other_req->r == NULL)
+			data->request_done = 1;
+		EVDNS_UNLOCK(data->evdns_base);
+	} else {
+		data->evdns_base = NULL;
+		user_canceled = data->user_canceled;
 	}
-	user_canceled = data->user_canceled;
-	if (other_req->r == NULL)
-		data->request_done = 1;
-	EVDNS_UNLOCK(data->evdns_base);
 
 	req->r = NULL;
 
@@ -4369,7 +4459,9 @@
 			/* The other request is still working; maybe it will
 			 * succeed. */
 			/* XXXX handle failure from set_timeout */
-			evdns_getaddrinfo_set_timeout(data->evdns_base, data);
+			if (result != DNS_ERR_SHUTDOWN) {
+				evdns_getaddrinfo_set_timeout(data->evdns_base, data);
+			}
 			data->pending_error = err;
 			return;
 		}
@@ -4430,7 +4522,7 @@
 	for (i=0; i < count; ++i) {
 		struct evutil_addrinfo *ai;
 		memcpy(addrp, ((char*)addresses)+i*addrlen, addrlen);
-		ai = evutil_new_addrinfo(sa, socklen, &data->hints);
+		ai = evutil_new_addrinfo_(sa, socklen, &data->hints);
 		if (!ai) {
 			if (other_req->r) {
 				evdns_cancel_request(NULL, other_req->r);
@@ -4443,7 +4535,7 @@
 				free_getaddrinfo_request(data);
 			return;
 		}
-		res = evutil_addrinfo_append(res, ai);
+		res = evutil_addrinfo_append_(res, ai);
 	}
 
 	if (other_req->r) {
@@ -4457,10 +4549,10 @@
 		 * results (if any) and return them. */
 		if (data->pending_result) {
 			if (req->type == DNS_IPv4_A)
-				res = evutil_addrinfo_append(res,
+				res = evutil_addrinfo_append_(res,
 				    data->pending_result);
 			else
-				res = evutil_addrinfo_append(
+				res = evutil_addrinfo_append_(
 				    data->pending_result, res);
 			data->pending_result = NULL;
 		}
@@ -4510,13 +4602,13 @@
 		if ((e->addr.sa.sa_family == AF_INET && f == PF_INET6) ||
 		    (e->addr.sa.sa_family == AF_INET6 && f == PF_INET))
 			continue;
-		ai_new = evutil_new_addrinfo(&e->addr.sa, e->addrlen, hints);
+		ai_new = evutil_new_addrinfo_(&e->addr.sa, e->addrlen, hints);
 		if (!ai_new) {
 			n_found = 0;
 			goto out;
 		}
 		sockaddr_setport(ai_new->ai_addr, port);
-		ai = evutil_addrinfo_append(ai, ai_new);
+		ai = evutil_addrinfo_append_(ai, ai_new);
 	}
 	EVDNS_UNLOCK(base);
 out:
@@ -4571,14 +4663,14 @@
 		hints.ai_family = PF_UNSPEC;
 	}
 
-	evutil_adjust_hints_for_addrconfig(&hints);
+	evutil_adjust_hints_for_addrconfig_(&hints);
 
 	/* Now try to see if we _can_ answer immediately. */
 	/* (It would be nice to do this by calling getaddrinfo directly, with
 	 * AI_NUMERICHOST, on plaforms that have it, but we can't: there isn't
 	 * a reliable way to distinguish the "that wasn't a numeric host!" case
 	 * from any other EAI_NONAME cases.) */
-	err = evutil_getaddrinfo_common(nodename, servname, &hints, &res, &port);
+	err = evutil_getaddrinfo_common_(nodename, servname, &hints, &res, &port);
 	if (err != EVUTIL_EAI_NEED_RESOLVE) {
 		cb(err, res, arg);
 		return NULL;
@@ -4629,7 +4721,7 @@
 		data->ipv4_request.r = evdns_base_resolve_ipv4(dns_base,
 		    nodename, 0, evdns_getaddrinfo_gotresolve,
 		    &data->ipv4_request);
-		if (want_cname)
+		if (want_cname && data->ipv4_request.r)
 			data->ipv4_request.r->current_req->put_cname_in_ptr =
 			    &data->cname_result;
 	}
@@ -4640,7 +4732,7 @@
 		data->ipv6_request.r = evdns_base_resolve_ipv6(dns_base,
 		    nodename, 0, evdns_getaddrinfo_gotresolve,
 		    &data->ipv6_request);
-		if (want_cname)
+		if (want_cname && data->ipv6_request.r)
 			data->ipv6_request.r->current_req->put_cname_in_ptr =
 			    &data->cname_result;
 	}
diff --git a/event-internal.h b/event-internal.h
index 2f86b46..66dcfc3 100644
--- a/event-internal.h
+++ b/event-internal.h
@@ -24,14 +24,16 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT_INTERNAL_H_
-#define _EVENT_INTERNAL_H_
+#ifndef EVENT_INTERNAL_H_INCLUDED_
+#define EVENT_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <time.h>
 #include <sys/queue.h>
 #include "event2/event_struct.h"
@@ -43,18 +45,42 @@
 /* map union members back */
 
 /* mutually exclusive */
-#define ev_signal_next	_ev.ev_signal.ev_signal_next
-#define ev_io_next	_ev.ev_io.ev_io_next
-#define ev_io_timeout	_ev.ev_io.ev_timeout
+#define ev_signal_next	ev_.ev_signal.ev_signal_next
+#define ev_io_next	ev_.ev_io.ev_io_next
+#define ev_io_timeout	ev_.ev_io.ev_timeout
 
 /* used only by signals */
-#define ev_ncalls	_ev.ev_signal.ev_ncalls
-#define ev_pncalls	_ev.ev_signal.ev_pncalls
+#define ev_ncalls	ev_.ev_signal.ev_ncalls
+#define ev_pncalls	ev_.ev_signal.ev_pncalls
 
-/* Possible values for ev_closure in struct event. */
-#define EV_CLOSURE_NONE 0
-#define EV_CLOSURE_SIGNAL 1
-#define EV_CLOSURE_PERSIST 2
+#define ev_pri ev_evcallback.evcb_pri
+#define ev_flags ev_evcallback.evcb_flags
+#define ev_closure ev_evcallback.evcb_closure
+#define ev_callback ev_evcallback.evcb_cb_union.evcb_callback
+#define ev_arg ev_evcallback.evcb_arg
+
+/** @name Event closure codes
+
+    Possible values for evcb_closure in struct event_callback
+
+    @{
+ */
+/** A regular event. Uses the evcb_callback callback */
+#define EV_CLOSURE_EVENT 0
+/** A signal event. Uses the evcb_callback callback */
+#define EV_CLOSURE_EVENT_SIGNAL 1
+/** A persistent non-signal event. Uses the evcb_callback callback */
+#define EV_CLOSURE_EVENT_PERSIST 2
+/** A simple callback. Uses the evcb_selfcb callback. */
+#define EV_CLOSURE_CB_SELF 3
+/** A finalizing callback. Uses the evcb_cbfinalize callback. */
+#define EV_CLOSURE_CB_FINALIZE 4
+/** A finalizing event. Uses the evcb_evfinalize callback. */
+#define EV_CLOSURE_EVENT_FINALIZE 5
+/** A finalizing event that should get freed after. Uses the evcb_evfinalize
+ * callback. */
+#define EV_CLOSURE_EVENT_FINALIZE_FREE 6
+/** @} */
 
 /** Structure to define the backend of a given event_base. */
 struct eventop {
@@ -99,7 +125,7 @@
 	size_t fdinfo_len;
 };
 
-#ifdef WIN32
+#ifdef _WIN32
 /* If we're on win32, then file descriptors are not nice low densely packed
    integers.  Instead, they are pointer-like windows handles, and we want to
    use a hashtable instead of an array to map fds to events.
@@ -110,6 +136,7 @@
 /* #define HT_CACHE_HASH_VALS */
 
 #ifdef EVMAP_USE_HT
+#define HT_NO_CACHE_HASH_VALUES
 #include "ht-internal.h"
 struct event_map_entry;
 HT_HEAD(event_io_map, event_map_entry);
@@ -159,14 +186,25 @@
 	int changes_size;
 };
 
-#ifndef _EVENT_DISABLE_DEBUG_MODE
+#ifndef EVENT__DISABLE_DEBUG_MODE
 /* Global internal flag: set to one if debug mode is on. */
-extern int _event_debug_mode_on;
-#define EVENT_DEBUG_MODE_IS_ON() (_event_debug_mode_on)
+extern int event_debug_mode_on_;
+#define EVENT_DEBUG_MODE_IS_ON() (event_debug_mode_on_)
 #else
 #define EVENT_DEBUG_MODE_IS_ON() (0)
 #endif
 
+TAILQ_HEAD(evcallback_list, event_callback);
+
+/* Sets up an event for processing once */
+struct event_once {
+	LIST_ENTRY(event_once) next_once;
+	struct event ev;
+
+	void (*cb)(evutil_socket_t, short, void *);
+	void *arg;
+};
+
 struct event_base {
 	/** Function pointers and other data to describe this event_base's
 	 * backend. */
@@ -186,10 +224,16 @@
 
 	/** Number of virtual events */
 	int virtual_event_count;
+	/** Maximum number of virtual events active */
+	int virtual_event_count_max;
 	/** Number of total events added to this event_base */
 	int event_count;
+	/** Maximum number of total events added to this event_base */
+	int event_count_max;
 	/** Number of total events active in this event_base */
 	int event_count_active;
+	/** Maximum number of total events active in this event_base */
+	int event_count_active_max;
 
 	/** Set if we should terminate the loop once we're done processing
 	 * events. */
@@ -206,14 +250,23 @@
 	 * reentrant invocation. */
 	int running_loop;
 
+	/** Set to the number of deferred_cbs we've made 'active' in the
+	 * loop.  This is a hack to prevent starvation; it would be smarter
+	 * to just use event_config_set_max_dispatch_interval's max_callbacks
+	 * feature */
+	int n_deferreds_queued;
+
 	/* Active event management. */
-	/** An array of nactivequeues queues for active events (ones that
-	 * have triggered, and whose callbacks need to be called).  Low
+	/** An array of nactivequeues queues for active event_callbacks (ones
+	 * that have triggered, and whose callbacks need to be called).  Low
 	 * priority numbers are more important, and stall higher ones.
 	 */
-	struct event_list *activequeues;
+	struct evcallback_list *activequeues;
 	/** The length of the activequeues array */
 	int nactivequeues;
+	/** A list of event_callbacks that should become active the next time
+	 * we process events, but not this time. */
+	struct evcallback_list active_later_queue;
 
 	/* common timeout logic */
 
@@ -225,22 +278,12 @@
 	/** The total size of common_timeout_queues. */
 	int n_common_timeouts_allocated;
 
-	/** List of defered_cb that are active.  We run these after the active
-	 * events. */
-	struct deferred_cb_queue defer_queue;
-
 	/** Mapping from file descriptors to enabled (added) events */
 	struct event_io_map io;
 
 	/** Mapping from signal numbers to enabled (added) events. */
 	struct event_signal_map sigmap;
 
-	/** All events that have been enabled (added) in this event_base */
-	struct event_list eventqueue;
-
-	/** Stored timeval; used to detect when time is running backwards. */
-	struct timeval event_tv;
-
 	/** Priority queue of events with timeouts. */
 	struct min_heap timeheap;
 
@@ -248,30 +291,30 @@
 	 * too often. */
 	struct timeval tv_cache;
 
-#if defined(_EVENT_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+	struct evutil_monotonic_timer monotonic_timer;
+
 	/** Difference between internal time (maybe from clock_gettime) and
 	 * gettimeofday. */
 	struct timeval tv_clock_diff;
 	/** Second in which we last updated tv_clock_diff, in monotonic time. */
 	time_t last_updated_clock_diff;
-#endif
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	/* threading support */
 	/** The thread currently running the event_loop for this base */
 	unsigned long th_owner_id;
 	/** A lock to prevent conflicting accesses to this event_base */
 	void *th_base_lock;
-	/** The event whose callback is executing right now */
-	struct event *current_event;
 	/** A condition that gets signalled when we're done processing an
 	 * event with waiters on it. */
 	void *current_event_cond;
 	/** Number of threads blocking on current_event_cond. */
 	int current_event_waiters;
 #endif
+	/** The event whose callback is executing right now */
+	struct event_callback *current_event;
 
-#ifdef WIN32
+#ifdef _WIN32
 	/** IOCP support structure, if IOCP is enabled. */
 	struct event_iocp_port *iocp;
 #endif
@@ -279,6 +322,10 @@
 	/** Flags that this base was configured with */
 	enum event_base_config_flag flags;
 
+	struct timeval max_dispatch_time;
+	int max_dispatch_callbacks;
+	int limit_callbacks_after_prio;
+
 	/* Notify main thread to wake up break, etc. */
 	/** True if the base already has a pending notify, and we don't need
 	 * to add any more. */
@@ -291,6 +338,14 @@
 	struct event th_notify;
 	/** A function used to wake up the main thread from another thread. */
 	int (*th_notify_fn)(struct event_base *base);
+
+	/** Saved seed for weak random number generator. Some backends use
+	 * this to produce fairness among sockets. Protected by th_base_lock. */
+	struct evutil_weakrand_state weakrand_seed;
+
+	/** List of event_onces that have not yet fired. */
+	LIST_HEAD(once_event_list, event_once) once_events;
+
 };
 
 struct event_config_entry {
@@ -305,12 +360,14 @@
 	TAILQ_HEAD(event_configq, event_config_entry) entries;
 
 	int n_cpus_hint;
+	struct timeval max_dispatch_interval;
+	int max_dispatch_callbacks;
+	int limit_callbacks_after_prio;
 	enum event_method_feature require_features;
 	enum event_base_config_flag flags;
 };
 
 /* Internal use only: Functions that might be missing from <sys/queue.h> */
-#if defined(_EVENT_HAVE_SYS_QUEUE_H)
 #ifndef TAILQ_FIRST
 #define	TAILQ_FIRST(head)		((head)->tqh_first)
 #endif
@@ -336,21 +393,56 @@
 	(listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
 } while (0)
 #endif
-#endif /* HAVE_SYS_QUEUE_H */
 
 #define N_ACTIVE_CALLBACKS(base)					\
-	((base)->event_count_active + (base)->defer_queue.active_count)
+	((base)->event_count_active)
 
-int _evsig_set_handler(struct event_base *base, int evsignal,
+int evsig_set_handler_(struct event_base *base, int evsignal,
 			  void (*fn)(int));
-int _evsig_restore_handler(struct event_base *base, int evsignal);
+int evsig_restore_handler_(struct event_base *base, int evsignal);
+
+int event_add_nolock_(struct event *ev,
+    const struct timeval *tv, int tv_is_absolute);
+/** Argument for event_del_nolock_. Tells event_del not to block on the event
+ * if it's running in another thread. */
+#define EVENT_DEL_NOBLOCK 0
+/** Argument for event_del_nolock_. Tells event_del to block on the event
+ * if it's running in another thread, regardless of its value for EV_FINALIZE
+ */
+#define EVENT_DEL_BLOCK 1
+/** Argument for event_del_nolock_. Tells event_del to block on the event
+ * if it is running in another thread and it doesn't have EV_FINALIZE set.
+ */
+#define EVENT_DEL_AUTOBLOCK 2
+/** Argument for event_del_nolock_. Tells event_del to procede even if the
+ * event is set up for finalization rather for regular use.*/
+#define EVENT_DEL_EVEN_IF_FINALIZING 3
+int event_del_nolock_(struct event *ev, int blocking);
+int event_remove_timer_nolock_(struct event *ev);
+
+void event_active_nolock_(struct event *ev, int res, short count);
+int event_callback_activate_(struct event_base *, struct event_callback *);
+int event_callback_activate_nolock_(struct event_base *, struct event_callback *);
+int event_callback_cancel_(struct event_base *base,
+    struct event_callback *evcb);
+
+void event_callback_finalize_nolock_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *));
+void event_callback_finalize_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *));
+int event_callback_finalize_many_(struct event_base *base, int n_cbs, struct event_callback **evcb, void (*cb)(struct event_callback *, void *));
 
 
-void event_active_nolock(struct event *ev, int res, short count);
+void event_active_later_(struct event *ev, int res);
+void event_active_later_nolock_(struct event *ev, int res);
+int event_callback_activate_later_nolock_(struct event_base *base,
+    struct event_callback *evcb);
+int event_callback_cancel_nolock_(struct event_base *base,
+    struct event_callback *evcb, int even_if_finalizing);
+void event_callback_init_(struct event_base *base,
+    struct event_callback *cb);
 
 /* FIXME document. */
-void event_base_add_virtual(struct event_base *base);
-void event_base_del_virtual(struct event_base *base);
+void event_base_add_virtual_(struct event_base *base);
+void event_base_del_virtual_(struct event_base *base);
 
 /** For debugging: unless assertions are disabled, verify the referential
     integrity of the internal data structures of 'base'.  This operation can
@@ -358,11 +450,30 @@
 
     Returns on success; aborts on failure.
 */
-void event_base_assert_ok(struct event_base *base);
+void event_base_assert_ok_(struct event_base *base);
+void event_base_assert_ok_nolock_(struct event_base *base);
+
+
+/* Helper function: Call 'fn' exactly once every inserted or active event in
+ * the event_base 'base'.
+ *
+ * If fn returns 0, continue on to the next event. Otherwise, return the same
+ * value that fn returned.
+ *
+ * Requires that 'base' be locked.
+ */
+int event_base_foreach_event_nolock_(struct event_base *base,
+    event_base_foreach_event_cb cb, void *arg);
+
+/* Cleanup function to reset debug mode during shutdown.
+ *
+ * Calling this function doesn't mean it'll be possible to re-enable
+ * debug mode if any events were added.
+ */
+void event_disable_debug_mode(void);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT_INTERNAL_H_ */
-
+#endif /* EVENT_INTERNAL_H_INCLUDED_ */
diff --git a/event.c b/event.c
index fab419a..503003e 100644
--- a/event.c
+++ b/event.c
@@ -25,34 +25,33 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 #endif
 #include <sys/types.h>
-#if !defined(WIN32) && defined(_EVENT_HAVE_SYS_TIME_H)
+#if !defined(_WIN32) && defined(EVENT__HAVE_SYS_TIME_H)
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
 #include <stdio.h>
 #include <stdlib.h>
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_EVENTFD_H
-#include <sys/eventfd.h>
-#endif
 #include <ctype.h>
 #include <errno.h>
 #include <signal.h>
 #include <string.h>
 #include <time.h>
+#include <limits.h>
 
 #include "event2/event.h"
 #include "event2/event_struct.h"
@@ -66,52 +65,58 @@
 #include "evmap-internal.h"
 #include "iocp-internal.h"
 #include "changelist-internal.h"
+#define HT_NO_CACHE_HASH_VALUES
 #include "ht-internal.h"
 #include "util-internal.h"
 
-#ifdef _EVENT_HAVE_EVENT_PORTS
+
+#ifdef EVENT__HAVE_WORKING_KQUEUE
+#include "kqueue-internal.h"
+#endif
+
+#ifdef EVENT__HAVE_EVENT_PORTS
 extern const struct eventop evportops;
 #endif
-#ifdef _EVENT_HAVE_SELECT
+#ifdef EVENT__HAVE_SELECT
 extern const struct eventop selectops;
 #endif
-#ifdef _EVENT_HAVE_POLL
+#ifdef EVENT__HAVE_POLL
 extern const struct eventop pollops;
 #endif
-#ifdef _EVENT_HAVE_EPOLL
+#ifdef EVENT__HAVE_EPOLL
 extern const struct eventop epollops;
 #endif
-#ifdef _EVENT_HAVE_WORKING_KQUEUE
+#ifdef EVENT__HAVE_WORKING_KQUEUE
 extern const struct eventop kqops;
 #endif
-#ifdef _EVENT_HAVE_DEVPOLL
+#ifdef EVENT__HAVE_DEVPOLL
 extern const struct eventop devpollops;
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 extern const struct eventop win32ops;
 #endif
 
 /* Array of backends in order of preference. */
 static const struct eventop *eventops[] = {
-#ifdef _EVENT_HAVE_EVENT_PORTS
+#ifdef EVENT__HAVE_EVENT_PORTS
 	&evportops,
 #endif
-#ifdef _EVENT_HAVE_WORKING_KQUEUE
+#ifdef EVENT__HAVE_WORKING_KQUEUE
 	&kqops,
 #endif
-#ifdef _EVENT_HAVE_EPOLL
+#ifdef EVENT__HAVE_EPOLL
 	&epollops,
 #endif
-#ifdef _EVENT_HAVE_DEVPOLL
+#ifdef EVENT__HAVE_DEVPOLL
 	&devpollops,
 #endif
-#ifdef _EVENT_HAVE_POLL
+#ifdef EVENT__HAVE_POLL
 	&pollops,
 #endif
-#ifdef _EVENT_HAVE_SELECT
+#ifdef EVENT__HAVE_SELECT
 	&selectops,
 #endif
-#ifdef WIN32
+#ifdef _WIN32
 	&win32ops,
 #endif
 	NULL
@@ -123,29 +128,43 @@
 
 /* Global state */
 
-static int use_monotonic;
+static void *event_self_cbarg_ptr_ = NULL;
 
 /* Prototypes */
-static inline int event_add_internal(struct event *ev,
-    const struct timeval *tv, int tv_is_absolute);
-static inline int event_del_internal(struct event *ev);
+static void	event_queue_insert_active(struct event_base *, struct event_callback *);
+static void	event_queue_insert_active_later(struct event_base *, struct event_callback *);
+static void	event_queue_insert_timeout(struct event_base *, struct event *);
+static void	event_queue_insert_inserted(struct event_base *, struct event *);
+static void	event_queue_remove_active(struct event_base *, struct event_callback *);
+static void	event_queue_remove_active_later(struct event_base *, struct event_callback *);
+static void	event_queue_remove_timeout(struct event_base *, struct event *);
+static void	event_queue_remove_inserted(struct event_base *, struct event *);
+static void event_queue_make_later_events_active(struct event_base *base);
 
-static void	event_queue_insert(struct event_base *, struct event *, int);
-static void	event_queue_remove(struct event_base *, struct event *, int);
+static int evthread_make_base_notifiable_nolock_(struct event_base *base);
+static int event_del_(struct event *ev, int blocking);
+
+#ifdef USE_REINSERT_TIMEOUT
+/* This code seems buggy; only turn it on if we find out what the trouble is. */
+static void	event_queue_reinsert_timeout(struct event_base *,struct event *, int was_common, int is_common, int old_timeout_idx);
+#endif
+
 static int	event_haveevents(struct event_base *);
 
 static int	event_process_active(struct event_base *);
 
 static int	timeout_next(struct event_base *, struct timeval **);
 static void	timeout_process(struct event_base *);
-static void	timeout_correct(struct event_base *, struct timeval *);
 
 static inline void	event_signal_closure(struct event_base *, struct event *ev);
 static inline void	event_persist_closure(struct event_base *, struct event *ev);
 
 static int	evthread_notify_base(struct event_base *base);
 
-#ifndef _EVENT_DISABLE_DEBUG_MODE
+static void insert_common_timeout_inorder(struct common_timeout_list *ctl,
+    struct event *ev);
+
+#ifndef EVENT__DISABLE_DEBUG_MODE
 /* These functions implement a hashtable of which 'struct event *' structures
  * have been setup or added.  We don't want to trust the content of the struct
  * event itself, since we're trying to work through cases where an event gets
@@ -179,11 +198,27 @@
 	return a->ptr == b->ptr;
 }
 
-int _event_debug_mode_on = 0;
+int event_debug_mode_on_ = 0;
+
+
+#if !defined(EVENT__DISABLE_THREAD_SUPPORT) && !defined(EVENT__DISABLE_DEBUG_MODE)
+/**
+ * @brief debug mode variable which is set for any function/structure that needs
+ *        to be shared across threads (if thread support is enabled).
+ *
+ *        When and if evthreads are initialized, this variable will be evaluated,
+ *        and if set to something other than zero, this means the evthread setup 
+ *        functions were called out of order.
+ *
+ *        See: "Locks and threading" in the documentation.
+ */
+int event_debug_created_threadable_ctx_ = 0;
+#endif
+
 /* Set if it's too late to enable event_debug_mode. */
 static int event_debug_mode_too_late = 0;
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
-static void *_event_debug_map_lock = NULL;
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+static void *event_debug_map_lock_ = NULL;
 #endif
 static HT_HEAD(event_debug_map, event_debug_entry) global_debug_map =
 	HT_INITIALIZER();
@@ -194,11 +229,11 @@
     eq_debug_entry, 0.5, mm_malloc, mm_realloc, mm_free)
 
 /* Macro: record that ev is now setup (that is, ready for an add) */
-#define _event_debug_note_setup(ev) do {				\
-	if (_event_debug_mode_on) {					\
+#define event_debug_note_setup_(ev) do {				\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_FIND(event_debug_map, &global_debug_map, &find); \
 		if (dent) {						\
 			dent->added = 0;				\
@@ -211,142 +246,123 @@
 			dent->added = 0;				\
 			HT_INSERT(event_debug_map, &global_debug_map, dent); \
 		}							\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	event_debug_mode_too_late = 1;					\
 	} while (0)
 /* Macro: record that ev is no longer setup */
-#define _event_debug_note_teardown(ev) do {				\
-	if (_event_debug_mode_on) {					\
+#define event_debug_note_teardown_(ev) do {				\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_REMOVE(event_debug_map, &global_debug_map, &find); \
 		if (dent)						\
 			mm_free(dent);					\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	event_debug_mode_too_late = 1;					\
 	} while (0)
 /* Macro: record that ev is now added */
-#define _event_debug_note_add(ev)	do {				\
-	if (_event_debug_mode_on) {					\
+#define event_debug_note_add_(ev)	do {				\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_FIND(event_debug_map, &global_debug_map, &find); \
 		if (dent) {						\
 			dent->added = 1;				\
 		} else {						\
-			event_errx(_EVENT_ERR_ABORT,			\
+			event_errx(EVENT_ERR_ABORT_,			\
 			    "%s: noting an add on a non-setup event %p" \
 			    " (events: 0x%x, fd: "EV_SOCK_FMT		\
 			    ", flags: 0x%x)",				\
 			    __func__, (ev), (ev)->ev_events,		\
 			    EV_SOCK_ARG((ev)->ev_fd), (ev)->ev_flags);	\
 		}							\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	event_debug_mode_too_late = 1;					\
 	} while (0)
 /* Macro: record that ev is no longer added */
-#define _event_debug_note_del(ev) do {					\
-	if (_event_debug_mode_on) {					\
+#define event_debug_note_del_(ev) do {					\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_FIND(event_debug_map, &global_debug_map, &find); \
 		if (dent) {						\
 			dent->added = 0;				\
 		} else {						\
-			event_errx(_EVENT_ERR_ABORT,			\
+			event_errx(EVENT_ERR_ABORT_,			\
 			    "%s: noting a del on a non-setup event %p"	\
 			    " (events: 0x%x, fd: "EV_SOCK_FMT		\
 			    ", flags: 0x%x)",				\
 			    __func__, (ev), (ev)->ev_events,		\
 			    EV_SOCK_ARG((ev)->ev_fd), (ev)->ev_flags);	\
 		}							\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	event_debug_mode_too_late = 1;					\
 	} while (0)
 /* Macro: assert that ev is setup (i.e., okay to add or inspect) */
-#define _event_debug_assert_is_setup(ev) do {				\
-	if (_event_debug_mode_on) {					\
+#define event_debug_assert_is_setup_(ev) do {				\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_FIND(event_debug_map, &global_debug_map, &find); \
 		if (!dent) {						\
-			event_errx(_EVENT_ERR_ABORT,			\
+			event_errx(EVENT_ERR_ABORT_,			\
 			    "%s called on a non-initialized event %p"	\
 			    " (events: 0x%x, fd: "EV_SOCK_FMT\
 			    ", flags: 0x%x)",				\
 			    __func__, (ev), (ev)->ev_events,		\
 			    EV_SOCK_ARG((ev)->ev_fd), (ev)->ev_flags);	\
 		}							\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	} while (0)
 /* Macro: assert that ev is not added (i.e., okay to tear down or set
  * up again) */
-#define _event_debug_assert_not_added(ev) do {				\
-	if (_event_debug_mode_on) {					\
+#define event_debug_assert_not_added_(ev) do {				\
+	if (event_debug_mode_on_) {					\
 		struct event_debug_entry *dent,find;			\
 		find.ptr = (ev);					\
-		EVLOCK_LOCK(_event_debug_map_lock, 0);			\
+		EVLOCK_LOCK(event_debug_map_lock_, 0);			\
 		dent = HT_FIND(event_debug_map, &global_debug_map, &find); \
 		if (dent && dent->added) {				\
-			event_errx(_EVENT_ERR_ABORT,			\
+			event_errx(EVENT_ERR_ABORT_,			\
 			    "%s called on an already added event %p"	\
 			    " (events: 0x%x, fd: "EV_SOCK_FMT", "	\
 			    "flags: 0x%x)",				\
 			    __func__, (ev), (ev)->ev_events,		\
 			    EV_SOCK_ARG((ev)->ev_fd), (ev)->ev_flags);	\
 		}							\
-		EVLOCK_UNLOCK(_event_debug_map_lock, 0);		\
+		EVLOCK_UNLOCK(event_debug_map_lock_, 0);		\
 	}								\
 	} while (0)
 #else
-#define _event_debug_note_setup(ev) \
+#define event_debug_note_setup_(ev) \
 	((void)0)
-#define _event_debug_note_teardown(ev) \
+#define event_debug_note_teardown_(ev) \
 	((void)0)
-#define _event_debug_note_add(ev) \
+#define event_debug_note_add_(ev) \
 	((void)0)
-#define _event_debug_note_del(ev) \
+#define event_debug_note_del_(ev) \
 	((void)0)
-#define _event_debug_assert_is_setup(ev) \
+#define event_debug_assert_is_setup_(ev) \
 	((void)0)
-#define _event_debug_assert_not_added(ev) \
+#define event_debug_assert_not_added_(ev) \
 	((void)0)
 #endif
 
 #define EVENT_BASE_ASSERT_LOCKED(base)		\
 	EVLOCK_ASSERT_LOCKED((base)->th_base_lock)
 
-/* The first time this function is called, it sets use_monotonic to 1
- * if we have a clock function that supports monotonic time */
-static void
-detect_monotonic(void)
-{
-#if defined(_EVENT_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
-	struct timespec	ts;
-	static int use_monotonic_initialized = 0;
-
-	if (use_monotonic_initialized)
-		return;
-
-	if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
-		use_monotonic = 1;
-
-	use_monotonic_initialized = 1;
-#endif
-}
-
 /* How often (in seconds) do we check for changes in wall clock time relative
  * to monotonic time?  Set this to -1 for 'never.' */
-#define CLOCK_SYNC_INTERVAL -1
+#define CLOCK_SYNC_INTERVAL 5
 
 /** Set 'tp' to the current time according to 'base'.  We must hold the lock
  * on 'base'.  If there is a cached time, return it.  Otherwise, use
@@ -363,28 +379,19 @@
 		return (0);
 	}
 
-#if defined(_EVENT_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
-	if (use_monotonic) {
-		struct timespec	ts;
-
-		if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
-			return (-1);
-
-		tp->tv_sec = ts.tv_sec;
-		tp->tv_usec = ts.tv_nsec / 1000;
-		if (base->last_updated_clock_diff + CLOCK_SYNC_INTERVAL
-		    < ts.tv_sec) {
-			struct timeval tv;
-			evutil_gettimeofday(&tv,NULL);
-			evutil_timersub(&tv, tp, &base->tv_clock_diff);
-			base->last_updated_clock_diff = ts.tv_sec;
-		}
-
-		return (0);
+	if (evutil_gettime_monotonic_(&base->monotonic_timer, tp) == -1) {
+		return -1;
 	}
-#endif
 
-	return (evutil_gettimeofday(tp, NULL));
+	if (base->last_updated_clock_diff + CLOCK_SYNC_INTERVAL
+	    < tp->tv_sec) {
+		struct timeval tv;
+		evutil_gettimeofday(&tv,NULL);
+		evutil_timersub(&tv, tp, &base->tv_clock_diff);
+		base->last_updated_clock_diff = tp->tv_sec;
+	}
+
+	return 0;
 }
 
 int
@@ -401,11 +408,7 @@
 	if (base->tv_cache.tv_sec == 0) {
 		r = evutil_gettimeofday(tv, NULL);
 	} else {
-#if defined(_EVENT_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
 		evutil_timeradd(&base->tv_cache, &base->tv_clock_diff, tv);
-#else
-		*tv = base->tv_cache;
-#endif
 		r = 0;
 	}
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
@@ -428,6 +431,36 @@
 	    gettime(base, &base->tv_cache);
 }
 
+int
+event_base_update_cache_time(struct event_base *base)
+{
+
+	if (!base) {
+		base = current_base;
+		if (!current_base)
+			return -1;
+	}
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	if (base->running_loop)
+		update_time_cache(base);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return 0;
+}
+
+static inline struct event *
+event_callback_to_event(struct event_callback *evcb)
+{
+	EVUTIL_ASSERT((evcb->evcb_flags & EVLIST_INIT));
+	return EVUTIL_UPCAST(evcb, struct event, ev_evcallback);
+}
+
+static inline struct event_callback *
+event_to_event_callback(struct event *ev)
+{
+	return &ev->ev_evcallback;
+}
+
 struct event_base *
 event_init(void)
 {
@@ -481,10 +514,10 @@
 
 	evutil_snprintf(environment, sizeof(environment), "EVENT_NO%s", name);
 	for (i = 8; environment[i] != '\0'; ++i)
-		environment[i] = EVUTIL_TOUPPER(environment[i]);
-	/* Note that evutil_getenv() ignores the environment entirely if
+		environment[i] = EVUTIL_TOUPPER_(environment[i]);
+	/* Note that evutil_getenv_() ignores the environment entirely if
 	 * we're setuid */
-	return (evutil_getenv(environment) != NULL);
+	return (evutil_getenv_(environment) != NULL);
 }
 
 int
@@ -494,59 +527,39 @@
 }
 
 void
-event_deferred_cb_queue_init(struct deferred_cb_queue *cb)
-{
-	memset(cb, 0, sizeof(struct deferred_cb_queue));
-	TAILQ_INIT(&cb->deferred_cb_list);
-}
-
-/** Helper for the deferred_cb queue: wake up the event base. */
-static void
-notify_base_cbq_callback(struct deferred_cb_queue *cb, void *baseptr)
-{
-	struct event_base *base = baseptr;
-	if (EVBASE_NEED_NOTIFY(base))
-		evthread_notify_base(base);
-}
-
-struct deferred_cb_queue *
-event_base_get_deferred_cb_queue(struct event_base *base)
-{
-	return base ? &base->defer_queue : NULL;
-}
-
-void
 event_enable_debug_mode(void)
 {
-#ifndef _EVENT_DISABLE_DEBUG_MODE
-	if (_event_debug_mode_on)
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_mode_on_)
 		event_errx(1, "%s was called twice!", __func__);
 	if (event_debug_mode_too_late)
 		event_errx(1, "%s must be called *before* creating any events "
 		    "or event_bases",__func__);
 
-	_event_debug_mode_on = 1;
+	event_debug_mode_on_ = 1;
 
 	HT_INIT(event_debug_map, &global_debug_map);
 #endif
 }
 
-#if 0
 void
 event_disable_debug_mode(void)
 {
+#ifndef EVENT__DISABLE_DEBUG_MODE
 	struct event_debug_entry **ent, *victim;
 
-	EVLOCK_LOCK(_event_debug_map_lock, 0);
+	EVLOCK_LOCK(event_debug_map_lock_, 0);
 	for (ent = HT_START(event_debug_map, &global_debug_map); ent; ) {
 		victim = *ent;
-		ent = HT_NEXT_RMV(event_debug_map,&global_debug_map, ent);
+		ent = HT_NEXT_RMV(event_debug_map, &global_debug_map, ent);
 		mm_free(victim);
 	}
 	HT_CLEAR(event_debug_map, &global_debug_map);
-	EVLOCK_UNLOCK(_event_debug_map_lock , 0);
-}
+	EVLOCK_UNLOCK(event_debug_map_lock_ , 0);
+
+	event_debug_mode_on_  = 0;
 #endif
+}
 
 struct event_base *
 event_base_new_with_config(const struct event_config *cfg)
@@ -555,7 +568,7 @@
 	struct event_base *base;
 	int should_check_environment;
 
-#ifndef _EVENT_DISABLE_DEBUG_MODE
+#ifndef EVENT__DISABLE_DEBUG_MODE
 	event_debug_mode_too_late = 1;
 #endif
 
@@ -563,30 +576,60 @@
 		event_warn("%s: calloc", __func__);
 		return NULL;
 	}
-	detect_monotonic();
-	gettime(base, &base->event_tv);
 
-	min_heap_ctor(&base->timeheap);
-	TAILQ_INIT(&base->eventqueue);
+	if (cfg)
+		base->flags = cfg->flags;
+
+	should_check_environment =
+	    !(cfg && (cfg->flags & EVENT_BASE_FLAG_IGNORE_ENV));
+
+	{
+		struct timeval tmp;
+		int precise_time =
+		    cfg && (cfg->flags & EVENT_BASE_FLAG_PRECISE_TIMER);
+		int flags;
+		if (should_check_environment && !precise_time) {
+			precise_time = evutil_getenv_("EVENT_PRECISE_TIMER") != NULL;
+			base->flags |= EVENT_BASE_FLAG_PRECISE_TIMER;
+		}
+		flags = precise_time ? EV_MONOT_PRECISE : 0;
+		evutil_configure_monotonic_time_(&base->monotonic_timer, flags);
+
+		gettime(base, &tmp);
+	}
+
+	min_heap_ctor_(&base->timeheap);
+
 	base->sig.ev_signal_pair[0] = -1;
 	base->sig.ev_signal_pair[1] = -1;
 	base->th_notify_fd[0] = -1;
 	base->th_notify_fd[1] = -1;
 
-	event_deferred_cb_queue_init(&base->defer_queue);
-	base->defer_queue.notify_fn = notify_base_cbq_callback;
-	base->defer_queue.notify_arg = base;
-	if (cfg)
-		base->flags = cfg->flags;
+	TAILQ_INIT(&base->active_later_queue);
 
-	evmap_io_initmap(&base->io);
-	evmap_signal_initmap(&base->sigmap);
-	event_changelist_init(&base->changelist);
+	evmap_io_initmap_(&base->io);
+	evmap_signal_initmap_(&base->sigmap);
+	event_changelist_init_(&base->changelist);
 
 	base->evbase = NULL;
 
-	should_check_environment =
-	    !(cfg && (cfg->flags & EVENT_BASE_FLAG_IGNORE_ENV));
+	if (cfg) {
+		memcpy(&base->max_dispatch_time,
+		    &cfg->max_dispatch_interval, sizeof(struct timeval));
+		base->limit_callbacks_after_prio =
+		    cfg->limit_callbacks_after_prio;
+	} else {
+		base->max_dispatch_time.tv_sec = -1;
+		base->limit_callbacks_after_prio = 1;
+	}
+	if (cfg && cfg->max_dispatch_callbacks >= 0) {
+		base->max_dispatch_callbacks = cfg->max_dispatch_callbacks;
+	} else {
+		base->max_dispatch_callbacks = INT_MAX;
+	}
+	if (base->max_dispatch_callbacks == INT_MAX &&
+	    base->max_dispatch_time.tv_sec == -1)
+		base->limit_callbacks_after_prio = INT_MAX;
 
 	for (i = 0; eventops[i] && !base->evbase; i++) {
 		if (cfg != NULL) {
@@ -617,7 +660,7 @@
 		return NULL;
 	}
 
-	if (evutil_getenv("EVENT_SHOW_METHOD"))
+	if (evutil_getenv_("EVENT_SHOW_METHOD"))
 		event_msgx("libevent using: %s", base->evsel->name);
 
 	/* allocate a single active event queue */
@@ -628,13 +671,15 @@
 
 	/* prepare for threading */
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#if !defined(EVENT__DISABLE_THREAD_SUPPORT) && !defined(EVENT__DISABLE_DEBUG_MODE)
+	event_debug_created_threadable_ctx_ = 1;
+#endif
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	if (EVTHREAD_LOCKING_ENABLED() &&
 	    (!cfg || !(cfg->flags & EVENT_BASE_FLAG_NOLOCK))) {
 		int r;
-		EVTHREAD_ALLOC_LOCK(base->th_base_lock,
-		    EVTHREAD_LOCKTYPE_RECURSIVE);
-		base->defer_queue.lock = base->th_base_lock;
+		EVTHREAD_ALLOC_LOCK(base->th_base_lock, 0);
 		EVTHREAD_ALLOC_COND(base->current_event_cond);
 		r = evthread_make_base_notifiable(base);
 		if (r<0) {
@@ -645,21 +690,21 @@
 	}
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 	if (cfg && (cfg->flags & EVENT_BASE_FLAG_STARTUP_IOCP))
-		event_base_start_iocp(base, cfg->n_cpus_hint);
+		event_base_start_iocp_(base, cfg->n_cpus_hint);
 #endif
 
 	return (base);
 }
 
 int
-event_base_start_iocp(struct event_base *base, int n_cpus)
+event_base_start_iocp_(struct event_base *base, int n_cpus)
 {
-#ifdef WIN32
+#ifdef _WIN32
 	if (base->iocp)
 		return 0;
-	base->iocp = event_iocp_port_launch(n_cpus);
+	base->iocp = event_iocp_port_launch_(n_cpus);
 	if (!base->iocp) {
 		event_warnx("%s: Couldn't launch IOCP", __func__);
 		return -1;
@@ -671,21 +716,84 @@
 }
 
 void
-event_base_stop_iocp(struct event_base *base)
+event_base_stop_iocp_(struct event_base *base)
 {
-#ifdef WIN32
+#ifdef _WIN32
 	int rv;
 
 	if (!base->iocp)
 		return;
-	rv = event_iocp_shutdown(base->iocp, -1);
+	rv = event_iocp_shutdown_(base->iocp, -1);
 	EVUTIL_ASSERT(rv >= 0);
 	base->iocp = NULL;
 #endif
 }
 
-void
-event_base_free(struct event_base *base)
+static int
+event_base_cancel_single_callback_(struct event_base *base,
+    struct event_callback *evcb,
+    int run_finalizers)
+{
+	int result = 0;
+
+	if (evcb->evcb_flags & EVLIST_INIT) {
+		struct event *ev = event_callback_to_event(evcb);
+		if (!(ev->ev_flags & EVLIST_INTERNAL)) {
+			event_del_(ev, EVENT_DEL_EVEN_IF_FINALIZING);
+			result = 1;
+		}
+	} else {
+		EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+		event_callback_cancel_nolock_(base, evcb, 1);
+		EVBASE_RELEASE_LOCK(base, th_base_lock);
+		result = 1;
+	}
+
+	if (run_finalizers && (evcb->evcb_flags & EVLIST_FINALIZING)) {
+		switch (evcb->evcb_closure) {
+		case EV_CLOSURE_EVENT_FINALIZE:
+		case EV_CLOSURE_EVENT_FINALIZE_FREE: {
+			struct event *ev = event_callback_to_event(evcb);
+			ev->ev_evcallback.evcb_cb_union.evcb_evfinalize(ev, ev->ev_arg);
+			if (evcb->evcb_closure == EV_CLOSURE_EVENT_FINALIZE_FREE)
+				mm_free(ev);
+			break;
+		}
+		case EV_CLOSURE_CB_FINALIZE:
+			evcb->evcb_cb_union.evcb_cbfinalize(evcb, evcb->evcb_arg);
+			break;
+		default:
+			break;
+		}
+	}
+	return result;
+}
+
+static int event_base_free_queues_(struct event_base *base, int run_finalizers)
+{
+	int deleted = 0, i;
+
+	for (i = 0; i < base->nactivequeues; ++i) {
+		struct event_callback *evcb, *next;
+		for (evcb = TAILQ_FIRST(&base->activequeues[i]); evcb; ) {
+			next = TAILQ_NEXT(evcb, evcb_active_next);
+			deleted += event_base_cancel_single_callback_(base, evcb, run_finalizers);
+			evcb = next;
+		}
+	}
+
+	{
+		struct event_callback *evcb;
+		while ((evcb = TAILQ_FIRST(&base->active_later_queue))) {
+			deleted += event_base_cancel_single_callback_(base, evcb, run_finalizers);
+		}
+	}
+
+	return deleted;
+}
+
+static void
+event_base_free_(struct event_base *base, int run_finalizers)
 {
 	int i, n_deleted=0;
 	struct event *ev;
@@ -696,9 +804,6 @@
 	 * made it with event_init and forgot to hold a reference to it. */
 	if (base == NULL && current_base)
 		base = current_base;
-	/* If we're freeing current_base, there won't be a current_base. */
-	if (base == current_base)
-		current_base = NULL;
 	/* Don't actually free NULL. */
 	if (base == NULL) {
 		event_warnx("%s: no base to free", __func__);
@@ -706,8 +811,8 @@
 	}
 	/* XXX(niels) - check for internal events first */
 
-#ifdef WIN32
-	event_base_stop_iocp(base);
+#ifdef _WIN32
+	event_base_stop_iocp_(base);
 #endif
 
 	/* threading fds if we have them */
@@ -722,15 +827,9 @@
 	}
 
 	/* Delete all non-internal events. */
-	for (ev = TAILQ_FIRST(&base->eventqueue); ev; ) {
-		struct event *next = TAILQ_NEXT(ev, ev_next);
-		if (!(ev->ev_flags & EVLIST_INTERNAL)) {
-			event_del(ev);
-			++n_deleted;
-		}
-		ev = next;
-	}
-	while ((ev = min_heap_top(&base->timeheap)) != NULL) {
+	evmap_delete_all_(base);
+
+	while ((ev = min_heap_top_(&base->timeheap)) != NULL) {
 		event_del(ev);
 		++n_deleted;
 	}
@@ -753,93 +852,136 @@
 	if (base->common_timeout_queues)
 		mm_free(base->common_timeout_queues);
 
-	for (i = 0; i < base->nactivequeues; ++i) {
-		for (ev = TAILQ_FIRST(&base->activequeues[i]); ev; ) {
-			struct event *next = TAILQ_NEXT(ev, ev_active_next);
-			if (!(ev->ev_flags & EVLIST_INTERNAL)) {
-				event_del(ev);
-				++n_deleted;
-			}
-			ev = next;
+	for (;;) {
+		/* For finalizers we can register yet another finalizer out from
+		 * finalizer, and iff finalizer will be in active_later_queue we can
+		 * add finalizer to activequeues, and we will have events in
+		 * activequeues after this function returns, which is not what we want
+		 * (we even have an assertion for this).
+		 *
+		 * A simple case is bufferevent with underlying (i.e. filters).
+		 */
+		int i = event_base_free_queues_(base, run_finalizers);
+		if (!i) {
+			break;
 		}
+		n_deleted += i;
 	}
 
 	if (n_deleted)
 		event_debug(("%s: %d events were still set in base",
 			__func__, n_deleted));
 
+	while (LIST_FIRST(&base->once_events)) {
+		struct event_once *eonce = LIST_FIRST(&base->once_events);
+		LIST_REMOVE(eonce, next_once);
+		mm_free(eonce);
+	}
+
 	if (base->evsel != NULL && base->evsel->dealloc != NULL)
 		base->evsel->dealloc(base);
 
 	for (i = 0; i < base->nactivequeues; ++i)
 		EVUTIL_ASSERT(TAILQ_EMPTY(&base->activequeues[i]));
 
-	EVUTIL_ASSERT(min_heap_empty(&base->timeheap));
-	min_heap_dtor(&base->timeheap);
+	EVUTIL_ASSERT(min_heap_empty_(&base->timeheap));
+	min_heap_dtor_(&base->timeheap);
 
 	mm_free(base->activequeues);
 
-	EVUTIL_ASSERT(TAILQ_EMPTY(&base->eventqueue));
+	evmap_io_clear_(&base->io);
+	evmap_signal_clear_(&base->sigmap);
+	event_changelist_freemem_(&base->changelist);
 
-	evmap_io_clear(&base->io);
-	evmap_signal_clear(&base->sigmap);
-	event_changelist_freemem(&base->changelist);
-
-	EVTHREAD_FREE_LOCK(base->th_base_lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	EVTHREAD_FREE_LOCK(base->th_base_lock, 0);
 	EVTHREAD_FREE_COND(base->current_event_cond);
 
+	/* If we're freeing current_base, there won't be a current_base. */
+	if (base == current_base)
+		current_base = NULL;
 	mm_free(base);
 }
 
+void
+event_base_free_nofinalize(struct event_base *base)
+{
+	event_base_free_(base, 0);
+}
+
+void
+event_base_free(struct event_base *base)
+{
+	event_base_free_(base, 1);
+}
+
+/* Fake eventop; used to disable the backend temporarily inside event_reinit
+ * so that we can call event_del() on an event without telling the backend.
+ */
+static int
+nil_backend_del(struct event_base *b, evutil_socket_t fd, short old,
+    short events, void *fdinfo)
+{
+	return 0;
+}
+const struct eventop nil_eventop = {
+	"nil",
+	NULL, /* init: unused. */
+	NULL, /* add: unused. */
+	nil_backend_del, /* del: used, so needs to be killed. */
+	NULL, /* dispatch: unused. */
+	NULL, /* dealloc: unused. */
+	0, 0, 0
+};
+
 /* reinitialize the event base after a fork */
 int
 event_reinit(struct event_base *base)
 {
 	const struct eventop *evsel;
 	int res = 0;
-	struct event *ev;
 	int was_notifiable = 0;
+	int had_signal_added = 0;
 
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
 
 	evsel = base->evsel;
 
-#if 0
-	/* Right now, reinit always takes effect, since even if the
-	   backend doesn't require it, the signal socketpair code does.
+	/* check if this event mechanism requires reinit on the backend */
+	if (evsel->need_reinit) {
+		/* We're going to call event_del() on our notify events (the
+		 * ones that tell about signals and wakeup events).  But we
+		 * don't actually want to tell the backend to change its
+		 * state, since it might still share some resource (a kqueue,
+		 * an epoll fd) with the parent process, and we don't want to
+		 * delete the fds from _that_ backend, we temporarily stub out
+		 * the evsel with a replacement.
+		 */
+		base->evsel = &nil_eventop;
+	}
 
-	   XXX
+	/* We need to re-create a new signal-notification fd and a new
+	 * thread-notification fd.  Otherwise, we'll still share those with
+	 * the parent process, which would make any notification sent to them
+	 * get received by one or both of the event loops, more or less at
+	 * random.
 	 */
-	/* check if this event mechanism requires reinit */
-	if (!evsel->need_reinit)
-		goto done;
-#endif
-
-	/* prevent internal delete */
 	if (base->sig.ev_signal_added) {
-		/* we cannot call event_del here because the base has
-		 * not been reinitialized yet. */
-		event_queue_remove(base, &base->sig.ev_signal,
-		    EVLIST_INSERTED);
-		if (base->sig.ev_signal.ev_flags & EVLIST_ACTIVE)
-			event_queue_remove(base, &base->sig.ev_signal,
-			    EVLIST_ACTIVE);
-		if (base->sig.ev_signal_pair[0] != -1)
-			EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[0]);
-		if (base->sig.ev_signal_pair[1] != -1)
-			EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[1]);
+		event_del_nolock_(&base->sig.ev_signal, EVENT_DEL_AUTOBLOCK);
+		event_debug_unassign(&base->sig.ev_signal);
+		memset(&base->sig.ev_signal, 0, sizeof(base->sig.ev_signal));
+		had_signal_added = 1;
 		base->sig.ev_signal_added = 0;
 	}
-	if (base->th_notify_fd[0] != -1) {
-		/* we cannot call event_del here because the base has
-		 * not been reinitialized yet. */
+	if (base->sig.ev_signal_pair[0] != -1)
+		EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[0]);
+	if (base->sig.ev_signal_pair[1] != -1)
+		EVUTIL_CLOSESOCKET(base->sig.ev_signal_pair[1]);
+	if (base->th_notify_fn != NULL) {
 		was_notifiable = 1;
-		event_queue_remove(base, &base->th_notify,
-		    EVLIST_INSERTED);
-		if (base->th_notify.ev_flags & EVLIST_ACTIVE)
-			event_queue_remove(base, &base->th_notify,
-			    EVLIST_ACTIVE);
-		base->sig.ev_signal_added = 0;
+		base->th_notify_fn = NULL;
+	}
+	if (base->th_notify_fd[0] != -1) {
+		event_del_nolock_(&base->th_notify, EVENT_DEL_AUTOBLOCK);
 		EVUTIL_CLOSESOCKET(base->th_notify_fd[0]);
 		if (base->th_notify_fd[1] != -1)
 			EVUTIL_CLOSESOCKET(base->th_notify_fd[1]);
@@ -848,45 +990,73 @@
 		event_debug_unassign(&base->th_notify);
 	}
 
-	if (base->evsel->dealloc != NULL)
-		base->evsel->dealloc(base);
-	base->evbase = evsel->init(base);
-	if (base->evbase == NULL) {
-		event_errx(1, "%s: could not reinitialize event mechanism",
-		    __func__);
-		res = -1;
-		goto done;
-	}
+	/* Replace the original evsel. */
+        base->evsel = evsel;
 
-	event_changelist_freemem(&base->changelist); /* XXX */
-	evmap_io_clear(&base->io);
-	evmap_signal_clear(&base->sigmap);
+	if (evsel->need_reinit) {
+		/* Reconstruct the backend through brute-force, so that we do
+		 * not share any structures with the parent process. For some
+		 * backends, this is necessary: epoll and kqueue, for
+		 * instance, have events associated with a kernel
+		 * structure. If didn't reinitialize, we'd share that
+		 * structure with the parent process, and any changes made by
+		 * the parent would affect our backend's behavior (and vice
+		 * versa).
+		 */
+		if (base->evsel->dealloc != NULL)
+			base->evsel->dealloc(base);
+		base->evbase = evsel->init(base);
+		if (base->evbase == NULL) {
+			event_errx(1,
+			   "%s: could not reinitialize event mechanism",
+			   __func__);
+			res = -1;
+			goto done;
+		}
 
-	TAILQ_FOREACH(ev, &base->eventqueue, ev_next) {
-		if (ev->ev_events & (EV_READ|EV_WRITE)) {
-			if (ev == &base->sig.ev_signal) {
-				/* If we run into the ev_signal event, it's only
-				 * in eventqueue because some signal event was
-				 * added, which made evsig_add re-add ev_signal.
-				 * So don't double-add it. */
-				continue;
-			}
-			if (evmap_io_add(base, ev->ev_fd, ev) == -1)
-				res = -1;
-		} else if (ev->ev_events & EV_SIGNAL) {
-			if (evmap_signal_add(base, (int)ev->ev_fd, ev) == -1)
-				res = -1;
+		/* Empty out the changelist (if any): we are starting from a
+		 * blank slate. */
+		event_changelist_freemem_(&base->changelist);
+
+		/* Tell the event maps to re-inform the backend about all
+		 * pending events. This will make the signal notification
+		 * event get re-created if necessary. */
+		if (evmap_reinit_(base) < 0)
+			res = -1;
+	} else {
+		res = evsig_init_(base);
+		if (res == 0 && had_signal_added) {
+			res = event_add_nolock_(&base->sig.ev_signal, NULL, 0);
+			if (res == 0)
+				base->sig.ev_signal_added = 1;
 		}
 	}
 
+	/* If we were notifiable before, and nothing just exploded, become
+	 * notifiable again. */
 	if (was_notifiable && res == 0)
-		res = evthread_make_base_notifiable(base);
+		res = evthread_make_base_notifiable_nolock_(base);
 
 done:
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 	return (res);
 }
 
+/* Get the monotonic time for this event_base' timer */
+int
+event_gettime_monotonic(struct event_base *base, struct timeval *tv)
+{
+  int rv = -1;
+
+  if (base && tv) {
+    EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+    rv = evutil_gettime_monotonic_(&(base->monotonic_timer), tv);
+    EVBASE_RELEASE_LOCK(base, th_base_lock);
+  }
+
+  return rv;
+}
+
 const char **
 event_get_supported_methods(void)
 {
@@ -928,6 +1098,9 @@
 		return (NULL);
 
 	TAILQ_INIT(&cfg->entries);
+	cfg->max_dispatch_interval.tv_sec = -1;
+	cfg->max_dispatch_callbacks = INT_MAX;
+	cfg->limit_callbacks_after_prio = 1;
 
 	return (cfg);
 }
@@ -998,6 +1171,23 @@
 }
 
 int
+event_config_set_max_dispatch_interval(struct event_config *cfg,
+    const struct timeval *max_interval, int max_callbacks, int min_priority)
+{
+	if (max_interval)
+		memcpy(&cfg->max_dispatch_interval, max_interval,
+		    sizeof(struct timeval));
+	else
+		cfg->max_dispatch_interval.tv_sec = -1;
+	cfg->max_dispatch_callbacks =
+	    max_callbacks >= 0 ? max_callbacks : INT_MAX;
+	if (min_priority < 0)
+		min_priority = 0;
+	cfg->limit_callbacks_after_prio = min_priority;
+	return (0);
+}
+
+int
 event_priority_init(int npriorities)
 {
 	return event_base_priority_init(current_base, npriorities);
@@ -1006,14 +1196,17 @@
 int
 event_base_priority_init(struct event_base *base, int npriorities)
 {
-	int i;
+	int i, r;
+	r = -1;
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
 
 	if (N_ACTIVE_CALLBACKS(base) || npriorities < 1
 	    || npriorities >= EVENT_MAX_PRIORITIES)
-		return (-1);
+		goto err;
 
 	if (npriorities == base->nactivequeues)
-		return (0);
+		goto ok;
 
 	if (base->nactivequeues) {
 		mm_free(base->activequeues);
@@ -1021,11 +1214,11 @@
 	}
 
 	/* Allocate our priority queues */
-	base->activequeues = (struct event_list *)
-	  mm_calloc(npriorities, sizeof(struct event_list));
+	base->activequeues = (struct evcallback_list *)
+	  mm_calloc(npriorities, sizeof(struct evcallback_list));
 	if (base->activequeues == NULL) {
 		event_warn("%s: calloc", __func__);
-		return (-1);
+		goto err;
 	}
 	base->nactivequeues = npriorities;
 
@@ -1033,7 +1226,76 @@
 		TAILQ_INIT(&base->activequeues[i]);
 	}
 
-	return (0);
+ok:
+	r = 0;
+err:
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return (r);
+}
+
+int
+event_base_get_npriorities(struct event_base *base)
+{
+
+	int n;
+	if (base == NULL)
+		base = current_base;
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	n = base->nactivequeues;
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return (n);
+}
+
+int
+event_base_get_num_events(struct event_base *base, unsigned int type)
+{
+	int r = 0;
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+
+	if (type & EVENT_BASE_COUNT_ACTIVE)
+		r += base->event_count_active;
+
+	if (type & EVENT_BASE_COUNT_VIRTUAL)
+		r += base->virtual_event_count;
+
+	if (type & EVENT_BASE_COUNT_ADDED)
+		r += base->event_count;
+
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+
+	return r;
+}
+
+int
+event_base_get_max_events(struct event_base *base, unsigned int type, int clear)
+{
+	int r = 0;
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+
+	if (type & EVENT_BASE_COUNT_ACTIVE) {
+		r += base->event_count_active_max;
+		if (clear)
+			base->event_count_active_max = 0;
+	}
+
+	if (type & EVENT_BASE_COUNT_VIRTUAL) {
+		r += base->virtual_event_count_max;
+		if (clear)
+			base->virtual_event_count_max = 0;
+	}
+
+	if (type & EVENT_BASE_COUNT_ADDED) {
+		r += base->event_count_max;
+		if (clear)
+			base->event_count_max = 0;
+	}
+
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+
+	return r;
 }
 
 /* Returns true iff we're currently watching any events. */
@@ -1147,7 +1409,7 @@
 {
 	struct timeval timeout = head->ev_timeout;
 	timeout.tv_usec &= MICROSECONDS_MASK;
-	event_add_internal(&ctl->timeout_event, &timeout, 1);
+	event_add_nolock_(&ctl->timeout_event, &timeout, 1);
 }
 
 /* Callback: invoked when the timeout for a common timeout queue triggers.
@@ -1168,8 +1430,8 @@
 		    (ev->ev_timeout.tv_sec == now.tv_sec &&
 			(ev->ev_timeout.tv_usec&MICROSECONDS_MASK) > now.tv_usec))
 			break;
-		event_del_internal(ev);
-		event_active_nolock(ev, EV_TIMEOUT, 1);
+		event_del_nolock_(ev, EVENT_DEL_NOBLOCK);
+		event_active_nolock_(ev, EV_TIMEOUT, 1);
 	}
 	if (ev)
 		common_timeout_schedule(ctl, &now, ev);
@@ -1256,7 +1518,6 @@
 static inline void
 event_persist_closure(struct event_base *base, struct event *ev)
 {
-	// Define our callback, we use this to store our callback before it's executed
 	void (*evcb_callback)(evutil_socket_t, short, void *);
 
         // Other fields of *ev that must be stored before executing
@@ -1303,7 +1564,7 @@
 			evutil_timeradd(&now, &delay, &run_at);
 		}
 		run_at.tv_usec |= usec_mask;
-		event_add_internal(ev, &run_at, 1);
+		event_add_nolock_(ev, &run_at, 1);
 	}
 
 	// Save our callback before we release the lock
@@ -1324,55 +1585,103 @@
   releasing the lock as we go.  This function requires that the lock be held
   when it's invoked.  Returns -1 if we get a signal or an event_break that
   means we should stop processing any active events now.  Otherwise returns
-  the number of non-internal events that we processed.
+  the number of non-internal event_callbacks that we processed.
 */
 static int
 event_process_active_single_queue(struct event_base *base,
-    struct event_list *activeq)
+    struct evcallback_list *activeq,
+    int max_to_process, const struct timeval *endtime)
 {
-	struct event *ev;
+	struct event_callback *evcb;
 	int count = 0;
 
 	EVUTIL_ASSERT(activeq != NULL);
 
-	for (ev = TAILQ_FIRST(activeq); ev; ev = TAILQ_FIRST(activeq)) {
-		if (ev->ev_events & EV_PERSIST)
-			event_queue_remove(base, ev, EVLIST_ACTIVE);
-		else
-			event_del_internal(ev);
-		if (!(ev->ev_flags & EVLIST_INTERNAL))
+	for (evcb = TAILQ_FIRST(activeq); evcb; evcb = TAILQ_FIRST(activeq)) {
+		struct event *ev=NULL;
+		if (evcb->evcb_flags & EVLIST_INIT) {
+			ev = event_callback_to_event(evcb);
+
+			if (ev->ev_events & EV_PERSIST || ev->ev_flags & EVLIST_FINALIZING)
+				event_queue_remove_active(base, evcb);
+			else
+				event_del_nolock_(ev, EVENT_DEL_NOBLOCK);
+			event_debug((
+			    "event_process_active: event: %p, %s%s%scall %p",
+			    ev,
+			    ev->ev_res & EV_READ ? "EV_READ " : " ",
+			    ev->ev_res & EV_WRITE ? "EV_WRITE " : " ",
+			    ev->ev_res & EV_CLOSED ? "EV_CLOSED " : " ",
+			    ev->ev_callback));
+		} else {
+			event_queue_remove_active(base, evcb);
+			event_debug(("event_process_active: event_callback %p, "
+				"closure %d, call %p",
+				evcb, evcb->evcb_closure, evcb->evcb_cb_union.evcb_callback));
+		}
+
+		if (!(evcb->evcb_flags & EVLIST_INTERNAL))
 			++count;
 
-		event_debug((
-			 "event_process_active: event: %p, %s%scall %p",
-			ev,
-			ev->ev_res & EV_READ ? "EV_READ " : " ",
-			ev->ev_res & EV_WRITE ? "EV_WRITE " : " ",
-			ev->ev_callback));
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
-		base->current_event = ev;
+		base->current_event = evcb;
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 		base->current_event_waiters = 0;
 #endif
 
-		switch (ev->ev_closure) {
-		case EV_CLOSURE_SIGNAL:
+		switch (evcb->evcb_closure) {
+		case EV_CLOSURE_EVENT_SIGNAL:
+			EVUTIL_ASSERT(ev != NULL);
 			event_signal_closure(base, ev);
 			break;
-		case EV_CLOSURE_PERSIST:
+		case EV_CLOSURE_EVENT_PERSIST:
+			EVUTIL_ASSERT(ev != NULL);
 			event_persist_closure(base, ev);
 			break;
-		default:
-		case EV_CLOSURE_NONE:
+		case EV_CLOSURE_EVENT: {
+			void (*evcb_callback)(evutil_socket_t, short, void *);
+			EVUTIL_ASSERT(ev != NULL);
+			evcb_callback = *ev->ev_callback;
 			EVBASE_RELEASE_LOCK(base, th_base_lock);
-			(*ev->ev_callback)(
-				ev->ev_fd, ev->ev_res, ev->ev_arg);
-			break;
+			evcb_callback(ev->ev_fd, ev->ev_res, ev->ev_arg);
+		}
+		break;
+		case EV_CLOSURE_CB_SELF: {
+			void (*evcb_selfcb)(struct event_callback *, void *) = evcb->evcb_cb_union.evcb_selfcb;
+			EVBASE_RELEASE_LOCK(base, th_base_lock);
+			evcb_selfcb(evcb, evcb->evcb_arg);
+		}
+		break;
+		case EV_CLOSURE_EVENT_FINALIZE:
+		case EV_CLOSURE_EVENT_FINALIZE_FREE: {
+			void (*evcb_evfinalize)(struct event *, void *);
+			int evcb_closure = evcb->evcb_closure;
+			EVUTIL_ASSERT(ev != NULL);
+			base->current_event = NULL;
+			evcb_evfinalize = ev->ev_evcallback.evcb_cb_union.evcb_evfinalize;
+			EVUTIL_ASSERT((evcb->evcb_flags & EVLIST_FINALIZING));
+			EVBASE_RELEASE_LOCK(base, th_base_lock);
+			evcb_evfinalize(ev, ev->ev_arg);
+			event_debug_note_teardown_(ev);
+			if (evcb_closure == EV_CLOSURE_EVENT_FINALIZE_FREE)
+				mm_free(ev);
+		}
+		break;
+		case EV_CLOSURE_CB_FINALIZE: {
+			void (*evcb_cbfinalize)(struct event_callback *, void *) = evcb->evcb_cb_union.evcb_cbfinalize;
+			base->current_event = NULL;
+			EVUTIL_ASSERT((evcb->evcb_flags & EVLIST_FINALIZING));
+			EVBASE_RELEASE_LOCK(base, th_base_lock);
+			evcb_cbfinalize(evcb, evcb->evcb_arg);
+		}
+		break;
+		default:
+			EVUTIL_ASSERT(0);
 		}
 
 		EVBASE_ACQUIRE_LOCK(base, th_base_lock);
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
 		base->current_event = NULL;
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 		if (base->current_event_waiters) {
 			base->current_event_waiters = 0;
 			EVTHREAD_COND_BROADCAST(base->current_event_cond);
@@ -1381,6 +1690,15 @@
 
 		if (base->event_break)
 			return -1;
+		if (count >= max_to_process)
+			return count;
+		if (count && endtime) {
+			struct timeval now;
+			update_time_cache(base);
+			gettime(base, &now);
+			if (evutil_timercmp(&now, endtime, >=))
+				return count;
+		}
 		if (base->event_continue)
 			break;
 	}
@@ -1388,37 +1706,6 @@
 }
 
 /*
-   Process up to MAX_DEFERRED of the defered_cb entries in 'queue'.  If
-   *breakptr becomes set to 1, stop.  Requires that we start out holding
-   the lock on 'queue'; releases the lock around 'queue' for each deferred_cb
-   we process.
- */
-static int
-event_process_deferred_callbacks(struct deferred_cb_queue *queue, int *breakptr)
-{
-	int count = 0;
-	struct deferred_cb *cb;
-
-#define MAX_DEFERRED 16
-	while ((cb = TAILQ_FIRST(&queue->deferred_cb_list))) {
-		cb->queued = 0;
-		TAILQ_REMOVE(&queue->deferred_cb_list, cb, cb_next);
-		--queue->active_count;
-		UNLOCK_DEFERRED_QUEUE(queue);
-
-		cb->cb(cb, cb->arg);
-
-		LOCK_DEFERRED_QUEUE(queue);
-		if (*breakptr)
-			return -1;
-		if (++count == MAX_DEFERRED)
-			break;
-	}
-#undef MAX_DEFERRED
-	return count;
-}
-
-/*
  * Active events are stored in priority queues.  Lower priorities are always
  * process before higher priorities.  Low priority events can starve high
  * priority ones.
@@ -1428,17 +1715,33 @@
 event_process_active(struct event_base *base)
 {
 	/* Caller must hold th_base_lock */
-	struct event_list *activeq = NULL;
+	struct evcallback_list *activeq = NULL;
 	int i, c = 0;
+	const struct timeval *endtime;
+	struct timeval tv;
+	const int maxcb = base->max_dispatch_callbacks;
+	const int limit_after_prio = base->limit_callbacks_after_prio;
+	if (base->max_dispatch_time.tv_sec >= 0) {
+		update_time_cache(base);
+		gettime(base, &tv);
+		evutil_timeradd(&base->max_dispatch_time, &tv, &tv);
+		endtime = &tv;
+	} else {
+		endtime = NULL;
+	}
 
 	for (i = 0; i < base->nactivequeues; ++i) {
 		if (TAILQ_FIRST(&base->activequeues[i]) != NULL) {
 			base->event_running_priority = i;
 			activeq = &base->activequeues[i];
-			c = event_process_active_single_queue(base, activeq);
+			if (i < limit_after_prio)
+				c = event_process_active_single_queue(base, activeq,
+				    INT_MAX, NULL);
+			else
+				c = event_process_active_single_queue(base, activeq,
+				    maxcb, endtime);
 			if (c < 0) {
-				base->event_running_priority = -1;
-				return -1;
+				goto done;
 			} else if (c > 0)
 				break; /* Processed a real event; do not
 					* consider lower-priority events */
@@ -1447,8 +1750,9 @@
 		}
 	}
 
-	event_process_deferred_callbacks(&base->defer_queue,&base->event_break);
+done:
 	base->event_running_priority = -1;
+
 	return c;
 }
 
@@ -1524,6 +1828,25 @@
 }
 
 int
+event_base_loopcontinue(struct event_base *event_base)
+{
+	int r = 0;
+	if (event_base == NULL)
+		return (-1);
+
+	EVBASE_ACQUIRE_LOCK(event_base, th_base_lock);
+	event_base->event_continue = 1;
+
+	if (EVBASE_NEED_NOTIFY(event_base)) {
+		r = evthread_notify_base(event_base);
+	} else {
+		r = (0);
+	}
+	EVBASE_RELEASE_LOCK(event_base, th_base_lock);
+	return r;
+}
+
+int
 event_base_got_break(struct event_base *event_base)
 {
 	int res;
@@ -1575,11 +1898,11 @@
 	clear_time_cache(base);
 
 	if (base->sig.ev_signal_added && base->sig.ev_n_signals_added)
-		evsig_set_base(base);
+		evsig_set_base_(base);
 
 	done = 0;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	base->th_owner_id = EVTHREAD_GET_ID();
 #endif
 
@@ -1587,6 +1910,7 @@
 
 	while (!done) {
 		base->event_continue = 0;
+		base->n_deferreds_queued = 0;
 
 		/* Terminate the loop if we have been asked to */
 		if (base->event_gotterm) {
@@ -1597,8 +1921,6 @@
 			break;
 		}
 
-		timeout_correct(base, &tv);
-
 		tv_p = &tv;
 		if (!N_ACTIVE_CALLBACKS(base) && !(flags & EVLOOP_NONBLOCK)) {
 			timeout_next(base, &tv_p);
@@ -1611,14 +1933,14 @@
 		}
 
 		/* If we have no events, we just exit */
-		if (!event_haveevents(base) && !N_ACTIVE_CALLBACKS(base)) {
+		if (0==(flags&EVLOOP_NO_EXIT_ON_EMPTY) &&
+		    !event_haveevents(base) && !N_ACTIVE_CALLBACKS(base)) {
 			event_debug(("%s: no events registered.", __func__));
 			retval = 1;
 			goto done;
 		}
 
-		/* update last old time */
-		gettime(base, &base->event_tv);
+		event_queue_make_later_events_active(base);
 
 		clear_time_cache(base);
 
@@ -1655,14 +1977,6 @@
 	return (retval);
 }
 
-/* Sets up an event for processing once */
-struct event_once {
-	struct event ev;
-
-	void (*cb)(evutil_socket_t, short, void *);
-	void *arg;
-};
-
 /* One-time callback to implement event_base_once: invokes the user callback,
  * then deletes the allocated storage */
 static void
@@ -1671,6 +1985,9 @@
 	struct event_once *eonce = arg;
 
 	(*eonce->cb)(fd, events, eonce->arg);
+	EVBASE_ACQUIRE_LOCK(eonce->ev.ev_base, th_base_lock);
+	LIST_REMOVE(eonce, next_once);
+	EVBASE_RELEASE_LOCK(eonce->ev.ev_base, th_base_lock);
 	event_debug_unassign(&eonce->ev);
 	mm_free(eonce);
 }
@@ -1691,8 +2008,8 @@
     void *arg, const struct timeval *tv)
 {
 	struct event_once *eonce;
-	struct timeval etv;
 	int res = 0;
+	int activate = 0;
 
 	/* We cannot support signals that just fire once, or persistent
 	 * events. */
@@ -1705,15 +2022,18 @@
 	eonce->cb = callback;
 	eonce->arg = arg;
 
-	if (events == EV_TIMEOUT) {
-		if (tv == NULL) {
-			evutil_timerclear(&etv);
-			tv = &etv;
-		}
-
+	if ((events & (EV_TIMEOUT|EV_SIGNAL|EV_READ|EV_WRITE|EV_CLOSED)) == EV_TIMEOUT) {
 		evtimer_assign(&eonce->ev, base, event_once_cb, eonce);
-	} else if (events & (EV_READ|EV_WRITE)) {
-		events &= EV_READ|EV_WRITE;
+
+		if (tv == NULL || ! evutil_timerisset(tv)) {
+			/* If the event is going to become active immediately,
+			 * don't put it on the timeout queue.  This is one
+			 * idiom for scheduling a callback, so let's make
+			 * it fast (and order-preserving). */
+			activate = 1;
+		}
+	} else if (events & (EV_READ|EV_WRITE|EV_CLOSED)) {
+		events &= EV_READ|EV_WRITE|EV_CLOSED;
 
 		event_assign(&eonce->ev, base, fd, events, event_once_cb, eonce);
 	} else {
@@ -1722,11 +2042,20 @@
 		return (-1);
 	}
 
-	if (res == 0)
-		res = event_add(&eonce->ev, tv);
-	if (res != 0) {
-		mm_free(eonce);
-		return (res);
+	if (res == 0) {
+		EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+		if (activate)
+			event_active_nolock_(&eonce->ev, EV_TIMEOUT, 1);
+		else
+			res = event_add_nolock_(&eonce->ev, tv, 0);
+
+		if (res != 0) {
+			mm_free(eonce);
+			return (res);
+		} else {
+			LIST_INSERT_HEAD(&base->once_events, eonce, next_once);
+		}
+		EVBASE_RELEASE_LOCK(base, th_base_lock);
 	}
 
 	return (0);
@@ -1737,8 +2066,10 @@
 {
 	if (!base)
 		base = current_base;
+	if (arg == &event_self_cbarg_ptr_)
+		arg = ev;
 
-	_event_debug_assert_not_added(ev);
+	event_debug_assert_not_added_(ev);
 
 	ev->ev_base = base;
 
@@ -1752,29 +2083,29 @@
 	ev->ev_pncalls = NULL;
 
 	if (events & EV_SIGNAL) {
-		if ((events & (EV_READ|EV_WRITE)) != 0) {
+		if ((events & (EV_READ|EV_WRITE|EV_CLOSED)) != 0) {
 			event_warnx("%s: EV_SIGNAL is not compatible with "
-			    "EV_READ or EV_WRITE", __func__);
+			    "EV_READ, EV_WRITE or EV_CLOSED", __func__);
 			return -1;
 		}
-		ev->ev_closure = EV_CLOSURE_SIGNAL;
+		ev->ev_closure = EV_CLOSURE_EVENT_SIGNAL;
 	} else {
 		if (events & EV_PERSIST) {
 			evutil_timerclear(&ev->ev_io_timeout);
-			ev->ev_closure = EV_CLOSURE_PERSIST;
+			ev->ev_closure = EV_CLOSURE_EVENT_PERSIST;
 		} else {
-			ev->ev_closure = EV_CLOSURE_NONE;
+			ev->ev_closure = EV_CLOSURE_EVENT;
 		}
 	}
 
-	min_heap_elem_init(ev);
+	min_heap_elem_init_(ev);
 
 	if (base != NULL) {
 		/* by default, we put new events into the middle priority */
 		ev->ev_pri = base->nactivequeues / 2;
 	}
 
-	_event_debug_note_setup(ev);
+	event_debug_note_setup_(ev);
 
 	return 0;
 }
@@ -1786,7 +2117,7 @@
 	if (ev->ev_flags != EVLIST_INIT)
 		return (-1);
 
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 
 	ev->ev_base = base;
 	ev->ev_pri = base->nactivequeues/2;
@@ -1803,6 +2134,26 @@
 	EVUTIL_ASSERT(r == 0);
 }
 
+void *
+event_self_cbarg(void)
+{
+	return &event_self_cbarg_ptr_;
+}
+
+struct event *
+event_base_get_running_event(struct event_base *base)
+{
+	struct event *ev = NULL;
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	if (EVBASE_IN_THREAD(base)) {
+		struct event_callback *evcb = base->current_event;
+		if (evcb->evcb_flags & EVLIST_INIT)
+			ev = event_callback_to_event(evcb);
+	}
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return ev;
+}
+
 struct event *
 event_new(struct event_base *base, evutil_socket_t fd, short events, void (*cb)(evutil_socket_t, short, void *), void *arg)
 {
@@ -1821,11 +2172,13 @@
 void
 event_free(struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	/* This is disabled, so that events which have been finalized be a
+	 * valid target for event_free(). That's */
+	// event_debug_assert_is_setup_(ev);
 
 	/* make sure that this event won't be coming back to haunt us. */
 	event_del(ev);
-	_event_debug_note_teardown(ev);
+	event_debug_note_teardown_(ev);
 	mm_free(ev);
 
 }
@@ -1833,12 +2186,117 @@
 void
 event_debug_unassign(struct event *ev)
 {
-	_event_debug_assert_not_added(ev);
-	_event_debug_note_teardown(ev);
+	event_debug_assert_not_added_(ev);
+	event_debug_note_teardown_(ev);
 
 	ev->ev_flags &= ~EVLIST_INIT;
 }
 
+#define EVENT_FINALIZE_FREE_ 0x10000
+static int
+event_finalize_nolock_(struct event_base *base, unsigned flags, struct event *ev, event_finalize_callback_fn cb)
+{
+	ev_uint8_t closure = (flags & EVENT_FINALIZE_FREE_) ?
+	    EV_CLOSURE_EVENT_FINALIZE_FREE : EV_CLOSURE_EVENT_FINALIZE;
+
+	event_del_nolock_(ev, EVENT_DEL_NOBLOCK);
+	ev->ev_closure = closure;
+	ev->ev_evcallback.evcb_cb_union.evcb_evfinalize = cb;
+	event_active_nolock_(ev, EV_FINALIZE, 1);
+	ev->ev_flags |= EVLIST_FINALIZING;
+	return 0;
+}
+
+static int
+event_finalize_impl_(unsigned flags, struct event *ev, event_finalize_callback_fn cb)
+{
+	int r;
+	struct event_base *base = ev->ev_base;
+	if (EVUTIL_FAILURE_CHECK(!base)) {
+		event_warnx("%s: event has no event_base set.", __func__);
+		return -1;
+	}
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	r = event_finalize_nolock_(base, flags, ev, cb);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
+}
+
+int
+event_finalize(unsigned flags, struct event *ev, event_finalize_callback_fn cb)
+{
+	return event_finalize_impl_(flags, ev, cb);
+}
+
+int
+event_free_finalize(unsigned flags, struct event *ev, event_finalize_callback_fn cb)
+{
+	return event_finalize_impl_(flags|EVENT_FINALIZE_FREE_, ev, cb);
+}
+
+void
+event_callback_finalize_nolock_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *))
+{
+	struct event *ev = NULL;
+	if (evcb->evcb_flags & EVLIST_INIT) {
+		ev = event_callback_to_event(evcb);
+		event_del_nolock_(ev, EVENT_DEL_NOBLOCK);
+	} else {
+		event_callback_cancel_nolock_(base, evcb, 0); /*XXX can this fail?*/
+	}
+
+	evcb->evcb_closure = EV_CLOSURE_CB_FINALIZE;
+	evcb->evcb_cb_union.evcb_cbfinalize = cb;
+	event_callback_activate_nolock_(base, evcb); /* XXX can this really fail?*/
+	evcb->evcb_flags |= EVLIST_FINALIZING;
+}
+
+void
+event_callback_finalize_(struct event_base *base, unsigned flags, struct event_callback *evcb, void (*cb)(struct event_callback *, void *))
+{
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	event_callback_finalize_nolock_(base, flags, evcb, cb);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+}
+
+/** Internal: Finalize all of the n_cbs callbacks in evcbs.  The provided
+ * callback will be invoked on *one of them*, after they have *all* been
+ * finalized. */
+int
+event_callback_finalize_many_(struct event_base *base, int n_cbs, struct event_callback **evcbs, void (*cb)(struct event_callback *, void *))
+{
+	int n_pending = 0, i;
+
+	if (base == NULL)
+		base = current_base;
+
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+
+	event_debug(("%s: %d events finalizing", __func__, n_cbs));
+
+	/* At most one can be currently executing; the rest we just
+	 * cancel... But we always make sure that the finalize callback
+	 * runs. */
+	for (i = 0; i < n_cbs; ++i) {
+		struct event_callback *evcb = evcbs[i];
+		if (evcb == base->current_event) {
+			event_callback_finalize_nolock_(base, 0, evcb, cb);
+			++n_pending;
+		} else {
+			event_callback_cancel_nolock_(base, evcb, 0);
+		}
+	}
+
+	if (n_pending == 0) {
+		/* Just do the first one. */
+		event_callback_finalize_nolock_(base, 0, evcbs[0], cb);
+	}
+
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return 0;
+}
+
 /*
  * Set's the priority of an event - if an event is already scheduled
  * changing the priority is going to fail.
@@ -1847,7 +2305,7 @@
 int
 event_priority_set(struct event *ev, int pri)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 
 	if (ev->ev_flags & EVLIST_ACTIVE)
 		return (-1);
@@ -1874,27 +2332,23 @@
 	}
 
 	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 
 	if (ev->ev_flags & EVLIST_INSERTED)
-		flags |= (ev->ev_events & (EV_READ|EV_WRITE|EV_SIGNAL));
-	if (ev->ev_flags & EVLIST_ACTIVE)
+		flags |= (ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED|EV_SIGNAL));
+	if (ev->ev_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER))
 		flags |= ev->ev_res;
 	if (ev->ev_flags & EVLIST_TIMEOUT)
 		flags |= EV_TIMEOUT;
 
-	event &= (EV_TIMEOUT|EV_READ|EV_WRITE|EV_SIGNAL);
+	event &= (EV_TIMEOUT|EV_READ|EV_WRITE|EV_CLOSED|EV_SIGNAL);
 
 	/* See if there is a timeout that we should report */
 	if (tv != NULL && (flags & event & EV_TIMEOUT)) {
 		struct timeval tmp = ev->ev_timeout;
 		tmp.tv_usec &= MICROSECONDS_MASK;
-#if defined(_EVENT_HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
 		/* correctly remamp to real time */
 		evutil_timeradd(&ev->ev_base->tv_clock_diff, &tmp, tv);
-#else
-		*tv = tmp;
-#endif
 	}
 
 	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
@@ -1914,7 +2368,7 @@
 void
 event_get_assignment(const struct event *event, struct event_base **base_out, evutil_socket_t *fd_out, short *events_out, event_callback_fn *callback_out, void **arg_out)
 {
-	_event_debug_assert_is_setup(event);
+	event_debug_assert_is_setup_(event);
 
 	if (base_out)
 		*base_out = event->ev_base;
@@ -1937,39 +2391,46 @@
 evutil_socket_t
 event_get_fd(const struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 	return ev->ev_fd;
 }
 
 struct event_base *
 event_get_base(const struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 	return ev->ev_base;
 }
 
 short
 event_get_events(const struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 	return ev->ev_events;
 }
 
 event_callback_fn
 event_get_callback(const struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 	return ev->ev_callback;
 }
 
 void *
 event_get_callback_arg(const struct event *ev)
 {
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 	return ev->ev_arg;
 }
 
 int
+event_get_priority(const struct event *ev)
+{
+	event_debug_assert_is_setup_(ev);
+	return ev->ev_pri;
+}
+
+int
 event_add(struct event *ev, const struct timeval *tv)
 {
 	int res;
@@ -1981,7 +2442,7 @@
 
 	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
 
-	res = event_add_internal(ev, tv, 0);
+	res = event_add_nolock_(ev, tv, 0);
 
 	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
 
@@ -1998,15 +2459,15 @@
 	char buf[1];
 	int r;
 	buf[0] = (char) 0;
-#ifdef WIN32
+#ifdef _WIN32
 	r = send(base->th_notify_fd[1], buf, 1, 0);
 #else
 	r = write(base->th_notify_fd[1], buf, 1);
 #endif
-	return (r < 0 && errno != EAGAIN) ? -1 : 0;
+	return (r < 0 && ! EVUTIL_ERR_IS_EAGAIN(errno)) ? -1 : 0;
 }
 
-#if defined(_EVENT_HAVE_EVENTFD) && defined(_EVENT_HAVE_SYS_EVENTFD_H)
+#ifdef EVENT__HAVE_EVENTFD
 /* Helper callback: wake an event_base from another thread.  This version
  * assumes that you have a working eventfd() implementation. */
 static int
@@ -2022,9 +2483,10 @@
 }
 #endif
 
+
 /** Tell the thread currently running the event_loop for base (if any) that it
  * needs to stop waiting in its dispatch function (if it is) and process all
- * active events and deferred callbacks (if there are any).  */
+ * active callbacks. */
 static int
 evthread_notify_base(struct event_base *base)
 {
@@ -2037,12 +2499,52 @@
 	return base->th_notify_fn(base);
 }
 
+/* Implementation function to remove a timeout on a currently pending event.
+ */
+int
+event_remove_timer_nolock_(struct event *ev)
+{
+	struct event_base *base = ev->ev_base;
+
+	EVENT_BASE_ASSERT_LOCKED(base);
+	event_debug_assert_is_setup_(ev);
+
+	event_debug(("event_remove_timer_nolock: event: %p", ev));
+
+	/* If it's not pending on a timeout, we don't need to do anything. */
+	if (ev->ev_flags & EVLIST_TIMEOUT) {
+		event_queue_remove_timeout(base, ev);
+		evutil_timerclear(&ev->ev_.ev_io.ev_timeout);
+	}
+
+	return (0);
+}
+
+int
+event_remove_timer(struct event *ev)
+{
+	int res;
+
+	if (EVUTIL_FAILURE_CHECK(!ev->ev_base)) {
+		event_warnx("%s: event has no event_base set.", __func__);
+		return -1;
+	}
+
+	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
+
+	res = event_remove_timer_nolock_(ev);
+
+	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
+
+	return (res);
+}
+
 /* Implementation function to add an event.  Works just like event_add,
  * except: 1) it requires that we have the lock.  2) if tv_is_absolute is set,
  * we treat tv as an absolute time, not as an interval to add to the current
  * time */
-static inline int
-event_add_internal(struct event *ev, const struct timeval *tv,
+int
+event_add_nolock_(struct event *ev, const struct timeval *tv,
     int tv_is_absolute)
 {
 	struct event_base *base = ev->ev_base;
@@ -2050,26 +2552,32 @@
 	int notify = 0;
 
 	EVENT_BASE_ASSERT_LOCKED(base);
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 
 	event_debug((
-		 "event_add: event: %p (fd "EV_SOCK_FMT"), %s%s%scall %p",
+		 "event_add: event: %p (fd "EV_SOCK_FMT"), %s%s%s%scall %p",
 		 ev,
 		 EV_SOCK_ARG(ev->ev_fd),
 		 ev->ev_events & EV_READ ? "EV_READ " : " ",
 		 ev->ev_events & EV_WRITE ? "EV_WRITE " : " ",
+		 ev->ev_events & EV_CLOSED ? "EV_CLOSED " : " ",
 		 tv ? "EV_TIMEOUT " : " ",
 		 ev->ev_callback));
 
 	EVUTIL_ASSERT(!(ev->ev_flags & ~EVLIST_ALL));
 
+	if (ev->ev_flags & EVLIST_FINALIZING) {
+		/* XXXX debug */
+		return (-1);
+	}
+
 	/*
 	 * prepare for timeout insertion further below, if we get a
 	 * failure on any step, we should not change any state.
 	 */
 	if (tv != NULL && !(ev->ev_flags & EVLIST_TIMEOUT)) {
-		if (min_heap_reserve(&base->timeheap,
-			1 + min_heap_size(&base->timeheap)) == -1)
+		if (min_heap_reserve_(&base->timeheap,
+			1 + min_heap_size_(&base->timeheap)) == -1)
 			return (-1);  /* ENOMEM == errno */
 	}
 
@@ -2077,22 +2585,23 @@
 	 * callback, and we are not the main thread, then we want to wait
 	 * until the callback is done before we mess with the event, or else
 	 * we can race on ev_ncalls and ev_pncalls below. */
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
-	if (base->current_event == ev && (ev->ev_events & EV_SIGNAL)
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (base->current_event == event_to_event_callback(ev) &&
+	    (ev->ev_events & EV_SIGNAL)
 	    && !EVBASE_IN_THREAD(base)) {
 		++base->current_event_waiters;
 		EVTHREAD_COND_WAIT(base->current_event_cond, base->th_base_lock);
 	}
 #endif
 
-	if ((ev->ev_events & (EV_READ|EV_WRITE|EV_SIGNAL)) &&
-	    !(ev->ev_flags & (EVLIST_INSERTED|EVLIST_ACTIVE))) {
-		if (ev->ev_events & (EV_READ|EV_WRITE))
-			res = evmap_io_add(base, ev->ev_fd, ev);
+	if ((ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED|EV_SIGNAL)) &&
+	    !(ev->ev_flags & (EVLIST_INSERTED|EVLIST_ACTIVE|EVLIST_ACTIVE_LATER))) {
+		if (ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED))
+			res = evmap_io_add_(base, ev->ev_fd, ev);
 		else if (ev->ev_events & EV_SIGNAL)
-			res = evmap_signal_add(base, (int)ev->ev_fd, ev);
+			res = evmap_signal_add_(base, (int)ev->ev_fd, ev);
 		if (res != -1)
-			event_queue_insert(base, ev, EVLIST_INSERTED);
+			event_queue_insert_inserted(base, ev);
 		if (res == 1) {
 			/* evmap says we need to notify the main thread. */
 			notify = 1;
@@ -2107,6 +2616,10 @@
 	if (res != -1 && tv != NULL) {
 		struct timeval now;
 		int common_timeout;
+#ifdef USE_REINSERT_TIMEOUT
+		int was_common;
+		int old_timeout_idx;
+#endif
 
 		/*
 		 * for persistent timeout events, we remember the
@@ -2114,19 +2627,14 @@
 		 *
 		 * If tv_is_absolute, this was already set.
 		 */
-		if (ev->ev_closure == EV_CLOSURE_PERSIST && !tv_is_absolute)
+		if (ev->ev_closure == EV_CLOSURE_EVENT_PERSIST && !tv_is_absolute)
 			ev->ev_io_timeout = *tv;
 
-		/*
-		 * we already reserved memory above for the case where we
-		 * are not replacing an existing timeout.
-		 */
+#ifndef USE_REINSERT_TIMEOUT
 		if (ev->ev_flags & EVLIST_TIMEOUT) {
-			/* XXX I believe this is needless. */
-			if (min_heap_elt_is_top(ev))
-				notify = 1;
-			event_queue_remove(base, ev, EVLIST_TIMEOUT);
+			event_queue_remove_timeout(base, ev);
 		}
+#endif
 
 		/* Check if it is active due to a timeout.  Rescheduling
 		 * this timeout before the callback can be executed
@@ -2143,12 +2651,17 @@
 				}
 			}
 
-			event_queue_remove(base, ev, EVLIST_ACTIVE);
+			event_queue_remove_active(base, event_to_event_callback(ev));
 		}
 
 		gettime(base, &now);
 
 		common_timeout = is_common_timeout(tv, base);
+#ifdef USE_REINSERT_TIMEOUT
+		was_common = is_common_timeout(&ev->ev_timeout, base);
+		old_timeout_idx = COMMON_TIMEOUT_IDX(&ev->ev_timeout);
+#endif
+
 		if (tv_is_absolute) {
 			ev->ev_timeout = *tv;
 		} else if (common_timeout) {
@@ -2162,10 +2675,15 @@
 		}
 
 		event_debug((
-			 "event_add: timeout in %d seconds, call %p",
-			 (int)tv->tv_sec, ev->ev_callback));
+			 "event_add: event %p, timeout in %d seconds %d useconds, call %p",
+			 ev, (int)tv->tv_sec, (int)tv->tv_usec, ev->ev_callback));
 
-		event_queue_insert(base, ev, EVLIST_TIMEOUT);
+#ifdef USE_REINSERT_TIMEOUT
+		event_queue_reinsert_timeout(base, ev, was_common, common_timeout, old_timeout_idx);
+#else
+		event_queue_insert_timeout(base, ev);
+#endif
+
 		if (common_timeout) {
 			struct common_timeout_list *ctl =
 			    get_common_timeout_list(base, &ev->ev_timeout);
@@ -2173,11 +2691,17 @@
 				common_timeout_schedule(ctl, &now, ev);
 			}
 		} else {
+			struct event* top = NULL;
 			/* See if the earliest timeout is now earlier than it
 			 * was before: if so, we will need to tell the main
-			 * thread to wake up earlier than it would
-			 * otherwise. */
-			if (min_heap_elt_is_top(ev))
+			 * thread to wake up earlier than it would otherwise.
+			 * We double check the timeout of the top element to
+			 * handle time distortions due to system suspension.
+			 */
+			if (min_heap_elt_is_top_(ev))
+				notify = 1;
+			else if ((top = min_heap_top_(&base->timeheap)) != NULL &&
+					 evutil_timercmp(&top->ev_timeout, &now, <))
 				notify = 1;
 		}
 	}
@@ -2186,13 +2710,13 @@
 	if (res != -1 && notify && EVBASE_NEED_NOTIFY(base))
 		evthread_notify_base(base);
 
-	_event_debug_note_add(ev);
+	event_debug_note_add_(ev);
 
 	return (res);
 }
 
-int
-event_del(struct event *ev)
+static int
+event_del_(struct event *ev, int blocking)
 {
 	int res;
 
@@ -2203,16 +2727,38 @@
 
 	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
 
-	res = event_del_internal(ev);
+	res = event_del_nolock_(ev, blocking);
 
 	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
 
 	return (res);
 }
 
-/* Helper for event_del: always called with th_base_lock held. */
-static inline int
-event_del_internal(struct event *ev)
+int
+event_del(struct event *ev)
+{
+	return event_del_(ev, EVENT_DEL_AUTOBLOCK);
+}
+
+int
+event_del_block(struct event *ev)
+{
+	return event_del_(ev, EVENT_DEL_BLOCK);
+}
+
+int
+event_del_noblock(struct event *ev)
+{
+	return event_del_(ev, EVENT_DEL_NOBLOCK);
+}
+
+/** Helper for event_del: always called with th_base_lock held.
+ *
+ * "blocking" must be one of the EVENT_DEL_{BLOCK, NOBLOCK, AUTOBLOCK,
+ * EVEN_IF_FINALIZING} values. See those for more information.
+ */
+int
+event_del_nolock_(struct event *ev, int blocking)
 {
 	struct event_base *base;
 	int res = 0, notify = 0;
@@ -2226,14 +2772,24 @@
 
 	EVENT_BASE_ASSERT_LOCKED(ev->ev_base);
 
+	if (blocking != EVENT_DEL_EVEN_IF_FINALIZING) {
+		if (ev->ev_flags & EVLIST_FINALIZING) {
+			/* XXXX Debug */
+			return 0;
+		}
+	}
+
 	/* If the main thread is currently executing this event's callback,
 	 * and we are not the main thread, then we want to wait until the
 	 * callback is done before we start removing the event.  That way,
 	 * when this function returns, it will be safe to free the
 	 * user-supplied argument. */
 	base = ev->ev_base;
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
-	if (base->current_event == ev && !EVBASE_IN_THREAD(base)) {
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (blocking != EVENT_DEL_NOBLOCK &&
+	    base->current_event == event_to_event_callback(ev) &&
+	    !EVBASE_IN_THREAD(base) &&
+	    (blocking == EVENT_DEL_BLOCK || !(ev->ev_events & EV_FINALIZE))) {
 		++base->current_event_waiters;
 		EVTHREAD_COND_WAIT(base->current_event_cond, base->th_base_lock);
 	}
@@ -2257,18 +2813,20 @@
 		 * dispatch loop early anyway, so we wouldn't gain anything by
 		 * doing it.
 		 */
-		event_queue_remove(base, ev, EVLIST_TIMEOUT);
+		event_queue_remove_timeout(base, ev);
 	}
 
 	if (ev->ev_flags & EVLIST_ACTIVE)
-		event_queue_remove(base, ev, EVLIST_ACTIVE);
+		event_queue_remove_active(base, event_to_event_callback(ev));
+	else if (ev->ev_flags & EVLIST_ACTIVE_LATER)
+		event_queue_remove_active_later(base, event_to_event_callback(ev));
 
 	if (ev->ev_flags & EVLIST_INSERTED) {
-		event_queue_remove(base, ev, EVLIST_INSERTED);
-		if (ev->ev_events & (EV_READ|EV_WRITE))
-			res = evmap_io_del(base, ev->ev_fd, ev);
+		event_queue_remove_inserted(base, ev);
+		if (ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED))
+			res = evmap_io_del_(base, ev->ev_fd, ev);
 		else
-			res = evmap_signal_del(base, (int)ev->ev_fd, ev);
+			res = evmap_signal_del_(base, (int)ev->ev_fd, ev);
 		if (res == 1) {
 			/* evmap says we need to notify the main thread. */
 			notify = 1;
@@ -2280,7 +2838,7 @@
 	if (res != -1 && notify && EVBASE_NEED_NOTIFY(base))
 		evthread_notify_base(base);
 
-	_event_debug_note_del(ev);
+	event_debug_note_del_(ev);
 
 	return (res);
 }
@@ -2295,41 +2853,54 @@
 
 	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
 
-	_event_debug_assert_is_setup(ev);
+	event_debug_assert_is_setup_(ev);
 
-	event_active_nolock(ev, res, ncalls);
+	event_active_nolock_(ev, res, ncalls);
 
 	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
 }
 
 
 void
-event_active_nolock(struct event *ev, int res, short ncalls)
+event_active_nolock_(struct event *ev, int res, short ncalls)
 {
 	struct event_base *base;
 
 	event_debug(("event_active: %p (fd "EV_SOCK_FMT"), res %d, callback %p",
 		ev, EV_SOCK_ARG(ev->ev_fd), (int)res, ev->ev_callback));
 
+	base = ev->ev_base;
+	EVENT_BASE_ASSERT_LOCKED(base);
 
-	/* We get different kinds of events, add them together */
-	if (ev->ev_flags & EVLIST_ACTIVE) {
-		ev->ev_res |= res;
+	if (ev->ev_flags & EVLIST_FINALIZING) {
+		/* XXXX debug */
 		return;
 	}
 
-	base = ev->ev_base;
-
-	EVENT_BASE_ASSERT_LOCKED(base);
-
-	ev->ev_res = res;
+	switch ((ev->ev_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER))) {
+	default:
+	case EVLIST_ACTIVE|EVLIST_ACTIVE_LATER:
+		EVUTIL_ASSERT(0);
+		break;
+	case EVLIST_ACTIVE:
+		/* We get different kinds of events, add them together */
+		ev->ev_res |= res;
+		return;
+	case EVLIST_ACTIVE_LATER:
+		ev->ev_res |= res;
+		break;
+	case 0:
+		ev->ev_res = res;
+		break;
+	}
 
 	if (ev->ev_pri < base->event_running_priority)
 		base->event_continue = 1;
 
 	if (ev->ev_events & EV_SIGNAL) {
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
-		if (base->current_event == ev && !EVBASE_IN_THREAD(base)) {
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+		if (base->current_event == event_to_event_callback(ev) &&
+		    !EVBASE_IN_THREAD(base)) {
 			++base->current_event_waiters;
 			EVTHREAD_COND_WAIT(base->current_event_cond, base->th_base_lock);
 		}
@@ -2338,60 +2909,179 @@
 		ev->ev_pncalls = NULL;
 	}
 
-	event_queue_insert(base, ev, EVLIST_ACTIVE);
+	event_callback_activate_nolock_(base, event_to_event_callback(ev));
+}
+
+void
+event_active_later_(struct event *ev, int res)
+{
+	EVBASE_ACQUIRE_LOCK(ev->ev_base, th_base_lock);
+	event_active_later_nolock_(ev, res);
+	EVBASE_RELEASE_LOCK(ev->ev_base, th_base_lock);
+}
+
+void
+event_active_later_nolock_(struct event *ev, int res)
+{
+	struct event_base *base = ev->ev_base;
+	EVENT_BASE_ASSERT_LOCKED(base);
+
+	if (ev->ev_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER)) {
+		/* We get different kinds of events, add them together */
+		ev->ev_res |= res;
+		return;
+	}
+
+	ev->ev_res = res;
+
+	event_callback_activate_later_nolock_(base, event_to_event_callback(ev));
+}
+
+int
+event_callback_activate_(struct event_base *base,
+    struct event_callback *evcb)
+{
+	int r;
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	r = event_callback_activate_nolock_(base, evcb);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
+}
+
+int
+event_callback_activate_nolock_(struct event_base *base,
+    struct event_callback *evcb)
+{
+	int r = 1;
+
+	if (evcb->evcb_flags & EVLIST_FINALIZING)
+		return 0;
+
+	switch (evcb->evcb_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER)) {
+	default:
+		EVUTIL_ASSERT(0);
+	case EVLIST_ACTIVE_LATER:
+		event_queue_remove_active_later(base, evcb);
+		r = 0;
+		break;
+	case EVLIST_ACTIVE:
+		return 0;
+	case 0:
+		break;
+	}
+
+	event_queue_insert_active(base, evcb);
 
 	if (EVBASE_NEED_NOTIFY(base))
 		evthread_notify_base(base);
+
+	return r;
+}
+
+int
+event_callback_activate_later_nolock_(struct event_base *base,
+    struct event_callback *evcb)
+{
+	if (evcb->evcb_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER))
+		return 0;
+
+	event_queue_insert_active_later(base, evcb);
+	if (EVBASE_NEED_NOTIFY(base))
+		evthread_notify_base(base);
+	return 1;
 }
 
 void
-event_deferred_cb_init(struct deferred_cb *cb, deferred_cb_fn fn, void *arg)
+event_callback_init_(struct event_base *base,
+    struct event_callback *cb)
 {
-	memset(cb, 0, sizeof(struct deferred_cb));
-	cb->cb = fn;
-	cb->arg = arg;
+	memset(cb, 0, sizeof(*cb));
+	cb->evcb_pri = base->nactivequeues - 1;
+}
+
+int
+event_callback_cancel_(struct event_base *base,
+    struct event_callback *evcb)
+{
+	int r;
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	r = event_callback_cancel_nolock_(base, evcb, 0);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
+}
+
+int
+event_callback_cancel_nolock_(struct event_base *base,
+    struct event_callback *evcb, int even_if_finalizing)
+{
+	if ((evcb->evcb_flags & EVLIST_FINALIZING) && !even_if_finalizing)
+		return 0;
+
+	if (evcb->evcb_flags & EVLIST_INIT)
+		return event_del_nolock_(event_callback_to_event(evcb),
+		    even_if_finalizing ? EVENT_DEL_EVEN_IF_FINALIZING : EVENT_DEL_AUTOBLOCK);
+
+	switch ((evcb->evcb_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER))) {
+	default:
+	case EVLIST_ACTIVE|EVLIST_ACTIVE_LATER:
+		EVUTIL_ASSERT(0);
+		break;
+	case EVLIST_ACTIVE:
+		/* We get different kinds of events, add them together */
+		event_queue_remove_active(base, evcb);
+		return 0;
+	case EVLIST_ACTIVE_LATER:
+		event_queue_remove_active_later(base, evcb);
+		break;
+	case 0:
+		break;
+	}
+
+	return 0;
 }
 
 void
-event_deferred_cb_cancel(struct deferred_cb_queue *queue,
-    struct deferred_cb *cb)
+event_deferred_cb_init_(struct event_callback *cb, ev_uint8_t priority, deferred_cb_fn fn, void *arg)
 {
-	if (!queue) {
-		if (current_base)
-			queue = &current_base->defer_queue;
-		else
-			return;
-	}
-
-	LOCK_DEFERRED_QUEUE(queue);
-	if (cb->queued) {
-		TAILQ_REMOVE(&queue->deferred_cb_list, cb, cb_next);
-		--queue->active_count;
-		cb->queued = 0;
-	}
-	UNLOCK_DEFERRED_QUEUE(queue);
+	memset(cb, 0, sizeof(*cb));
+	cb->evcb_cb_union.evcb_selfcb = fn;
+	cb->evcb_arg = arg;
+	cb->evcb_pri = priority;
+	cb->evcb_closure = EV_CLOSURE_CB_SELF;
 }
 
 void
-event_deferred_cb_schedule(struct deferred_cb_queue *queue,
-    struct deferred_cb *cb)
+event_deferred_cb_set_priority_(struct event_callback *cb, ev_uint8_t priority)
 {
-	if (!queue) {
-		if (current_base)
-			queue = &current_base->defer_queue;
-		else
-			return;
-	}
+	cb->evcb_pri = priority;
+}
 
-	LOCK_DEFERRED_QUEUE(queue);
-	if (!cb->queued) {
-		cb->queued = 1;
-		TAILQ_INSERT_TAIL(&queue->deferred_cb_list, cb, cb_next);
-		++queue->active_count;
-		if (queue->notify_fn)
-			queue->notify_fn(queue, queue->notify_arg);
+void
+event_deferred_cb_cancel_(struct event_base *base, struct event_callback *cb)
+{
+	if (!base)
+		base = current_base;
+	event_callback_cancel_(base, cb);
+}
+
+#define MAX_DEFERREDS_QUEUED 32
+int
+event_deferred_cb_schedule_(struct event_base *base, struct event_callback *cb)
+{
+	int r = 1;
+	if (!base)
+		base = current_base;
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	if (base->n_deferreds_queued > MAX_DEFERREDS_QUEUED) {
+		r = event_callback_activate_later_nolock_(base, cb);
+	} else {
+		r = event_callback_activate_nolock_(base, cb);
+		if (r) {
+			++base->n_deferreds_queued;
+		}
 	}
-	UNLOCK_DEFERRED_QUEUE(queue);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
 }
 
 static int
@@ -2403,7 +3093,7 @@
 	struct timeval *tv = *tv_p;
 	int res = 0;
 
-	ev = min_heap_top(&base->timeheap);
+	ev = min_heap_top_(&base->timeheap);
 
 	if (ev == NULL) {
 		/* if no time-based events are active wait for I/O */
@@ -2425,70 +3115,12 @@
 
 	EVUTIL_ASSERT(tv->tv_sec >= 0);
 	EVUTIL_ASSERT(tv->tv_usec >= 0);
-	event_debug(("timeout_next: in %d seconds", (int)tv->tv_sec));
+	event_debug(("timeout_next: event: %p, in %d seconds, %d useconds", ev, (int)tv->tv_sec, (int)tv->tv_usec));
 
 out:
 	return (res);
 }
 
-/*
- * Determines if the time is running backwards by comparing the current time
- * against the last time we checked.  Not needed when using clock monotonic.
- * If time is running backwards, we adjust the firing time of every event by
- * the amount that time seems to have jumped.
- */
-static void
-timeout_correct(struct event_base *base, struct timeval *tv)
-{
-	/* Caller must hold th_base_lock. */
-	struct event **pev;
-	unsigned int size;
-	struct timeval off;
-	int i;
-
-	if (use_monotonic)
-		return;
-
-	/* Check if time is running backwards */
-	gettime(base, tv);
-
-	if (evutil_timercmp(tv, &base->event_tv, >=)) {
-		base->event_tv = *tv;
-		return;
-	}
-
-	event_debug(("%s: time is running backwards, corrected",
-		    __func__));
-	evutil_timersub(&base->event_tv, tv, &off);
-
-	/*
-	 * We can modify the key element of the node without destroying
-	 * the minheap property, because we change every element.
-	 */
-	pev = base->timeheap.p;
-	size = base->timeheap.n;
-	for (; size-- > 0; ++pev) {
-		struct timeval *ev_tv = &(**pev).ev_timeout;
-		evutil_timersub(ev_tv, &off, ev_tv);
-	}
-	for (i=0; i<base->n_common_timeouts; ++i) {
-		struct event *ev;
-		struct common_timeout_list *ctl =
-		    base->common_timeout_queues[i];
-		TAILQ_FOREACH(ev, &ctl->events,
-		    ev_timeout_pos.ev_next_with_common_timeout) {
-			struct timeval *ev_tv = &ev->ev_timeout;
-			ev_tv->tv_usec &= MICROSECONDS_MASK;
-			evutil_timersub(ev_tv, &off, ev_tv);
-			ev_tv->tv_usec |= COMMON_TIMEOUT_MAGIC |
-			    (i<<COMMON_TIMEOUT_IDX_SHIFT);
-		}
-	}
-
-	/* Now remember what the new time turned out to be. */
-	base->event_tv = *tv;
-}
-
 /* Activate every event whose timeout has elapsed. */
 static void
 timeout_process(struct event_base *base)
@@ -2497,64 +3129,151 @@
 	struct timeval now;
 	struct event *ev;
 
-	if (min_heap_empty(&base->timeheap)) {
+	if (min_heap_empty_(&base->timeheap)) {
 		return;
 	}
 
 	gettime(base, &now);
 
-	while ((ev = min_heap_top(&base->timeheap))) {
+	while ((ev = min_heap_top_(&base->timeheap))) {
 		if (evutil_timercmp(&ev->ev_timeout, &now, >))
 			break;
 
 		/* delete this event from the I/O queues */
-		event_del_internal(ev);
+		event_del_nolock_(ev, EVENT_DEL_NOBLOCK);
 
-		event_debug(("timeout_process: call %p",
-			 ev->ev_callback));
-		event_active_nolock(ev, EV_TIMEOUT, 1);
+		event_debug(("timeout_process: event: %p, call %p",
+			 ev, ev->ev_callback));
+		event_active_nolock_(ev, EV_TIMEOUT, 1);
 	}
 }
 
-/* Remove 'ev' from 'queue' (EVLIST_...) in base. */
+#if (EVLIST_INTERNAL >> 4) != 1
+#error "Mismatch for value of EVLIST_INTERNAL"
+#endif
+
+#ifndef MAX
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+#define MAX_EVENT_COUNT(var, v) var = MAX(var, v)
+
+/* These are a fancy way to spell
+     if (flags & EVLIST_INTERNAL)
+         base->event_count--/++;
+*/
+#define DECR_EVENT_COUNT(base,flags) \
+	((base)->event_count -= (~((flags) >> 4) & 1))
+#define INCR_EVENT_COUNT(base,flags) do {					\
+	((base)->event_count += (~((flags) >> 4) & 1));				\
+	MAX_EVENT_COUNT((base)->event_count_max, (base)->event_count);		\
+} while (0)
+
 static void
-event_queue_remove(struct event_base *base, struct event *ev, int queue)
+event_queue_remove_inserted(struct event_base *base, struct event *ev)
 {
 	EVENT_BASE_ASSERT_LOCKED(base);
-
-	if (!(ev->ev_flags & queue)) {
+	if (EVUTIL_FAILURE_CHECK(!(ev->ev_flags & EVLIST_INSERTED))) {
 		event_errx(1, "%s: %p(fd "EV_SOCK_FMT") not on queue %x", __func__,
-		    ev, EV_SOCK_ARG(ev->ev_fd), queue);
+		    ev, EV_SOCK_ARG(ev->ev_fd), EVLIST_INSERTED);
+		return;
+	}
+	DECR_EVENT_COUNT(base, ev->ev_flags);
+	ev->ev_flags &= ~EVLIST_INSERTED;
+}
+static void
+event_queue_remove_active(struct event_base *base, struct event_callback *evcb)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+	if (EVUTIL_FAILURE_CHECK(!(evcb->evcb_flags & EVLIST_ACTIVE))) {
+		event_errx(1, "%s: %p not on queue %x", __func__,
+			   evcb, EVLIST_ACTIVE);
+		return;
+	}
+	DECR_EVENT_COUNT(base, evcb->evcb_flags);
+	evcb->evcb_flags &= ~EVLIST_ACTIVE;
+	base->event_count_active--;
+
+	TAILQ_REMOVE(&base->activequeues[evcb->evcb_pri],
+	    evcb, evcb_active_next);
+}
+static void
+event_queue_remove_active_later(struct event_base *base, struct event_callback *evcb)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+	if (EVUTIL_FAILURE_CHECK(!(evcb->evcb_flags & EVLIST_ACTIVE_LATER))) {
+		event_errx(1, "%s: %p not on queue %x", __func__,
+			   evcb, EVLIST_ACTIVE_LATER);
+		return;
+	}
+	DECR_EVENT_COUNT(base, evcb->evcb_flags);
+	evcb->evcb_flags &= ~EVLIST_ACTIVE_LATER;
+	base->event_count_active--;
+
+	TAILQ_REMOVE(&base->active_later_queue, evcb, evcb_active_next);
+}
+static void
+event_queue_remove_timeout(struct event_base *base, struct event *ev)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+	if (EVUTIL_FAILURE_CHECK(!(ev->ev_flags & EVLIST_TIMEOUT))) {
+		event_errx(1, "%s: %p(fd "EV_SOCK_FMT") not on queue %x", __func__,
+		    ev, EV_SOCK_ARG(ev->ev_fd), EVLIST_TIMEOUT);
+		return;
+	}
+	DECR_EVENT_COUNT(base, ev->ev_flags);
+	ev->ev_flags &= ~EVLIST_TIMEOUT;
+
+	if (is_common_timeout(&ev->ev_timeout, base)) {
+		struct common_timeout_list *ctl =
+		    get_common_timeout_list(base, &ev->ev_timeout);
+		TAILQ_REMOVE(&ctl->events, ev,
+		    ev_timeout_pos.ev_next_with_common_timeout);
+	} else {
+		min_heap_erase_(&base->timeheap, ev);
+	}
+}
+
+#ifdef USE_REINSERT_TIMEOUT
+/* Remove and reinsert 'ev' into the timeout queue. */
+static void
+event_queue_reinsert_timeout(struct event_base *base, struct event *ev,
+    int was_common, int is_common, int old_timeout_idx)
+{
+	struct common_timeout_list *ctl;
+	if (!(ev->ev_flags & EVLIST_TIMEOUT)) {
+		event_queue_insert_timeout(base, ev);
 		return;
 	}
 
-	if (~ev->ev_flags & EVLIST_INTERNAL)
-		base->event_count--;
-
-	ev->ev_flags &= ~queue;
-	switch (queue) {
-	case EVLIST_INSERTED:
-		TAILQ_REMOVE(&base->eventqueue, ev, ev_next);
+	switch ((was_common<<1) | is_common) {
+	case 3: /* Changing from one common timeout to another */
+		ctl = base->common_timeout_queues[old_timeout_idx];
+		TAILQ_REMOVE(&ctl->events, ev,
+		    ev_timeout_pos.ev_next_with_common_timeout);
+		ctl = get_common_timeout_list(base, &ev->ev_timeout);
+		insert_common_timeout_inorder(ctl, ev);
 		break;
-	case EVLIST_ACTIVE:
-		base->event_count_active--;
-		TAILQ_REMOVE(&base->activequeues[ev->ev_pri],
-		    ev, ev_active_next);
+	case 2: /* Was common; is no longer common */
+		ctl = base->common_timeout_queues[old_timeout_idx];
+		TAILQ_REMOVE(&ctl->events, ev,
+		    ev_timeout_pos.ev_next_with_common_timeout);
+		min_heap_push_(&base->timeheap, ev);
 		break;
-	case EVLIST_TIMEOUT:
-		if (is_common_timeout(&ev->ev_timeout, base)) {
-			struct common_timeout_list *ctl =
-			    get_common_timeout_list(base, &ev->ev_timeout);
-			TAILQ_REMOVE(&ctl->events, ev,
-			    ev_timeout_pos.ev_next_with_common_timeout);
-		} else {
-			min_heap_erase(&base->timeheap, ev);
-		}
+	case 1: /* Wasn't common; has become common. */
+		min_heap_erase_(&base->timeheap, ev);
+		ctl = get_common_timeout_list(base, &ev->ev_timeout);
+		insert_common_timeout_inorder(ctl, ev);
+		break;
+	case 0: /* was in heap; is still on heap. */
+		min_heap_adjust_(&base->timeheap, ev);
 		break;
 	default:
-		event_errx(1, "%s: unknown queue %x", __func__, queue);
+		EVUTIL_ASSERT(0); /* unreachable */
+		break;
 	}
 }
+#endif
 
 /* Add 'ev' to the common timeout list in 'ev'. */
 static void
@@ -2588,44 +3307,95 @@
 }
 
 static void
-event_queue_insert(struct event_base *base, struct event *ev, int queue)
+event_queue_insert_inserted(struct event_base *base, struct event *ev)
 {
 	EVENT_BASE_ASSERT_LOCKED(base);
 
-	if (ev->ev_flags & queue) {
-		/* Double insertion is possible for active events */
-		if (queue & EVLIST_ACTIVE)
-			return;
-
-		event_errx(1, "%s: %p(fd "EV_SOCK_FMT") already on queue %x", __func__,
-		    ev, EV_SOCK_ARG(ev->ev_fd), queue);
+	if (EVUTIL_FAILURE_CHECK(ev->ev_flags & EVLIST_INSERTED)) {
+		event_errx(1, "%s: %p(fd "EV_SOCK_FMT") already inserted", __func__,
+		    ev, EV_SOCK_ARG(ev->ev_fd));
 		return;
 	}
 
-	if (~ev->ev_flags & EVLIST_INTERNAL)
-		base->event_count++;
+	INCR_EVENT_COUNT(base, ev->ev_flags);
 
-	ev->ev_flags |= queue;
-	switch (queue) {
-	case EVLIST_INSERTED:
-		TAILQ_INSERT_TAIL(&base->eventqueue, ev, ev_next);
-		break;
-	case EVLIST_ACTIVE:
-		base->event_count_active++;
-		TAILQ_INSERT_TAIL(&base->activequeues[ev->ev_pri],
-		    ev,ev_active_next);
-		break;
-	case EVLIST_TIMEOUT: {
-		if (is_common_timeout(&ev->ev_timeout, base)) {
-			struct common_timeout_list *ctl =
-			    get_common_timeout_list(base, &ev->ev_timeout);
-			insert_common_timeout_inorder(ctl, ev);
-		} else
-			min_heap_push(&base->timeheap, ev);
-		break;
+	ev->ev_flags |= EVLIST_INSERTED;
+}
+
+static void
+event_queue_insert_active(struct event_base *base, struct event_callback *evcb)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+
+	if (evcb->evcb_flags & EVLIST_ACTIVE) {
+		/* Double insertion is possible for active events */
+		return;
 	}
-	default:
-		event_errx(1, "%s: unknown queue %x", __func__, queue);
+
+	INCR_EVENT_COUNT(base, evcb->evcb_flags);
+
+	evcb->evcb_flags |= EVLIST_ACTIVE;
+
+	base->event_count_active++;
+	MAX_EVENT_COUNT(base->event_count_active_max, base->event_count_active);
+	EVUTIL_ASSERT(evcb->evcb_pri < base->nactivequeues);
+	TAILQ_INSERT_TAIL(&base->activequeues[evcb->evcb_pri],
+	    evcb, evcb_active_next);
+}
+
+static void
+event_queue_insert_active_later(struct event_base *base, struct event_callback *evcb)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+	if (evcb->evcb_flags & (EVLIST_ACTIVE_LATER|EVLIST_ACTIVE)) {
+		/* Double insertion is possible */
+		return;
+	}
+
+	INCR_EVENT_COUNT(base, evcb->evcb_flags);
+	evcb->evcb_flags |= EVLIST_ACTIVE_LATER;
+	base->event_count_active++;
+	MAX_EVENT_COUNT(base->event_count_active_max, base->event_count_active);
+	EVUTIL_ASSERT(evcb->evcb_pri < base->nactivequeues);
+	TAILQ_INSERT_TAIL(&base->active_later_queue, evcb, evcb_active_next);
+}
+
+static void
+event_queue_insert_timeout(struct event_base *base, struct event *ev)
+{
+	EVENT_BASE_ASSERT_LOCKED(base);
+
+	if (EVUTIL_FAILURE_CHECK(ev->ev_flags & EVLIST_TIMEOUT)) {
+		event_errx(1, "%s: %p(fd "EV_SOCK_FMT") already on timeout", __func__,
+		    ev, EV_SOCK_ARG(ev->ev_fd));
+		return;
+	}
+
+	INCR_EVENT_COUNT(base, ev->ev_flags);
+
+	ev->ev_flags |= EVLIST_TIMEOUT;
+
+	if (is_common_timeout(&ev->ev_timeout, base)) {
+		struct common_timeout_list *ctl =
+		    get_common_timeout_list(base, &ev->ev_timeout);
+		insert_common_timeout_inorder(ctl, ev);
+	} else {
+		min_heap_push_(&base->timeheap, ev);
+	}
+}
+
+static void
+event_queue_make_later_events_active(struct event_base *base)
+{
+	struct event_callback *evcb;
+	EVENT_BASE_ASSERT_LOCKED(base);
+
+	while ((evcb = TAILQ_FIRST(&base->active_later_queue))) {
+		TAILQ_REMOVE(&base->active_later_queue, evcb, evcb_active_next);
+		evcb->evcb_flags = (evcb->evcb_flags & ~EVLIST_ACTIVE_LATER) | EVLIST_ACTIVE;
+		EVUTIL_ASSERT(evcb->evcb_pri < base->nactivequeues);
+		TAILQ_INSERT_TAIL(&base->activequeues[evcb->evcb_pri], evcb, evcb_active_next);
+		base->n_deferreds_queued += (evcb->evcb_closure == EV_CLOSURE_CB_SELF);
 	}
 }
 
@@ -2634,13 +3404,13 @@
 const char *
 event_get_version(void)
 {
-	return (_EVENT_VERSION);
+	return (EVENT__VERSION);
 }
 
 ev_uint32_t
 event_get_version_number(void)
 {
-	return (_EVENT_NUMERIC_VERSION);
+	return (EVENT__NUMERIC_VERSION);
 }
 
 /*
@@ -2654,16 +3424,19 @@
 	return (current_base->evsel->name);
 }
 
-#ifndef _EVENT_DISABLE_MM_REPLACEMENT
-static void *(*_mm_malloc_fn)(size_t sz) = NULL;
-static void *(*_mm_realloc_fn)(void *p, size_t sz) = NULL;
-static void (*_mm_free_fn)(void *p) = NULL;
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+static void *(*mm_malloc_fn_)(size_t sz) = NULL;
+static void *(*mm_realloc_fn_)(void *p, size_t sz) = NULL;
+static void (*mm_free_fn_)(void *p) = NULL;
 
 void *
 event_mm_malloc_(size_t sz)
 {
-	if (_mm_malloc_fn)
-		return _mm_malloc_fn(sz);
+	if (sz == 0)
+		return NULL;
+
+	if (mm_malloc_fn_)
+		return mm_malloc_fn_(sz);
 	else
 		return malloc(sz);
 }
@@ -2671,38 +3444,65 @@
 void *
 event_mm_calloc_(size_t count, size_t size)
 {
-	if (_mm_malloc_fn) {
+	if (count == 0 || size == 0)
+		return NULL;
+
+	if (mm_malloc_fn_) {
 		size_t sz = count * size;
-		void *p = _mm_malloc_fn(sz);
+		void *p = NULL;
+		if (count > EV_SIZE_MAX / size)
+			goto error;
+		p = mm_malloc_fn_(sz);
 		if (p)
-			memset(p, 0, sz);
+			return memset(p, 0, sz);
+	} else {
+		void *p = calloc(count, size);
+#ifdef _WIN32
+		/* Windows calloc doesn't reliably set ENOMEM */
+		if (p == NULL)
+			goto error;
+#endif
 		return p;
-	} else
-		return calloc(count, size);
+	}
+
+error:
+	errno = ENOMEM;
+	return NULL;
 }
 
 char *
 event_mm_strdup_(const char *str)
 {
-	if (_mm_malloc_fn) {
+	if (!str) {
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (mm_malloc_fn_) {
 		size_t ln = strlen(str);
-		void *p = _mm_malloc_fn(ln+1);
+		void *p = NULL;
+		if (ln == EV_SIZE_MAX)
+			goto error;
+		p = mm_malloc_fn_(ln+1);
 		if (p)
-			memcpy(p, str, ln+1);
-		return p;
+			return memcpy(p, str, ln+1);
 	} else
-#ifdef WIN32
+#ifdef _WIN32
 		return _strdup(str);
 #else
 		return strdup(str);
 #endif
+
+error:
+	errno = ENOMEM;
+	return NULL;
 }
 
 void *
 event_mm_realloc_(void *ptr, size_t sz)
 {
-	if (_mm_realloc_fn)
-		return _mm_realloc_fn(ptr, sz);
+	if (mm_realloc_fn_)
+		return mm_realloc_fn_(ptr, sz);
 	else
 		return realloc(ptr, sz);
 }
@@ -2710,8 +3510,8 @@
 void
 event_mm_free_(void *ptr)
 {
-	if (_mm_free_fn)
-		_mm_free_fn(ptr);
+	if (mm_free_fn_)
+		mm_free_fn_(ptr);
 	else
 		free(ptr);
 }
@@ -2721,13 +3521,13 @@
 			void *(*realloc_fn)(void *ptr, size_t sz),
 			void (*free_fn)(void *ptr))
 {
-	_mm_malloc_fn = malloc_fn;
-	_mm_realloc_fn = realloc_fn;
-	_mm_free_fn = free_fn;
+	mm_malloc_fn_ = malloc_fn;
+	mm_realloc_fn_ = realloc_fn;
+	mm_free_fn_ = free_fn;
 }
 #endif
 
-#if defined(_EVENT_HAVE_EVENTFD) && defined(_EVENT_HAVE_SYS_EVENTFD_H)
+#ifdef EVENT__HAVE_EVENTFD
 static void
 evthread_notify_drain_eventfd(evutil_socket_t fd, short what, void *arg)
 {
@@ -2750,7 +3550,7 @@
 {
 	unsigned char buf[1024];
 	struct event_base *base = arg;
-#ifdef WIN32
+#ifdef _WIN32
 	while (recv(fd, (char*)buf, sizeof(buf), 0) > 0)
 		;
 #else
@@ -2766,71 +3566,54 @@
 int
 evthread_make_base_notifiable(struct event_base *base)
 {
-	void (*cb)(evutil_socket_t, short, void *) = evthread_notify_drain_default;
-	int (*notify)(struct event_base *) = evthread_notify_base_default;
-
-	/* XXXX grab the lock here? */
+	int r;
 	if (!base)
 		return -1;
 
-	if (base->th_notify_fd[0] >= 0)
-		return 0;
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	r = evthread_make_base_notifiable_nolock_(base);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
+}
 
-#if defined(_EVENT_HAVE_EVENTFD) && defined(_EVENT_HAVE_SYS_EVENTFD_H)
-#ifndef EFD_CLOEXEC
-#define EFD_CLOEXEC 0
+static int
+evthread_make_base_notifiable_nolock_(struct event_base *base)
+{
+	void (*cb)(evutil_socket_t, short, void *);
+	int (*notify)(struct event_base *);
+
+	if (base->th_notify_fn != NULL) {
+		/* The base is already notifiable: we're doing fine. */
+		return 0;
+	}
+
+#if defined(EVENT__HAVE_WORKING_KQUEUE)
+	if (base->evsel == &kqops && event_kq_add_notify_event_(base) == 0) {
+		base->th_notify_fn = event_kq_notify_base_;
+		/* No need to add an event here; the backend can wake
+		 * itself up just fine. */
+		return 0;
+	}
 #endif
-	base->th_notify_fd[0] = eventfd(0, EFD_CLOEXEC);
+
+#ifdef EVENT__HAVE_EVENTFD
+	base->th_notify_fd[0] = evutil_eventfd_(0,
+	    EVUTIL_EFD_CLOEXEC|EVUTIL_EFD_NONBLOCK);
 	if (base->th_notify_fd[0] >= 0) {
-		evutil_make_socket_closeonexec(base->th_notify_fd[0]);
+		base->th_notify_fd[1] = -1;
 		notify = evthread_notify_base_eventfd;
 		cb = evthread_notify_drain_eventfd;
-	}
+	} else
 #endif
-#if defined(_EVENT_HAVE_PIPE)
-	if (base->th_notify_fd[0] < 0) {
-		if ((base->evsel->features & EV_FEATURE_FDS)) {
-			if (pipe(base->th_notify_fd) < 0) {
-				event_warn("%s: pipe", __func__);
-			} else {
-				evutil_make_socket_closeonexec(base->th_notify_fd[0]);
-				evutil_make_socket_closeonexec(base->th_notify_fd[1]);
-			}
-		}
+	if (evutil_make_internal_pipe_(base->th_notify_fd) == 0) {
+		notify = evthread_notify_base_default;
+		cb = evthread_notify_drain_default;
+	} else {
+		return -1;
 	}
-#endif
-
-#ifdef WIN32
-#define LOCAL_SOCKETPAIR_AF AF_INET
-#else
-#define LOCAL_SOCKETPAIR_AF AF_UNIX
-#endif
-	if (base->th_notify_fd[0] < 0) {
-		if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0,
-			base->th_notify_fd) == -1) {
-			event_sock_warn(-1, "%s: socketpair", __func__);
-			return (-1);
-		} else {
-			evutil_make_socket_closeonexec(base->th_notify_fd[0]);
-			evutil_make_socket_closeonexec(base->th_notify_fd[1]);
-		}
-	}
-
-	evutil_make_socket_nonblocking(base->th_notify_fd[0]);
 
 	base->th_notify_fn = notify;
 
-	/*
-	  Making the second socket nonblocking is a bit subtle, given that we
-	  ignore any EAGAIN returns when writing to it, and you don't usally
-	  do that for a nonblocking socket. But if the kernel gives us EAGAIN,
-	  then there's no need to add any more data to the buffer, since
-	  the main thread is already either about to wake up and drain it,
-	  or woken up and in the process of draining it.
-	*/
-	if (base->th_notify_fd[1] > 0)
-		evutil_make_socket_nonblocking(base->th_notify_fd[1]);
-
 	/* prepare an event that we can use for wakeup */
 	event_assign(&base->th_notify, base, base->th_notify_fd[0],
 				 EV_READ|EV_PERSIST, cb, base);
@@ -2839,50 +3622,182 @@
 	base->th_notify.ev_flags |= EVLIST_INTERNAL;
 	event_priority_set(&base->th_notify, 0);
 
-	return event_add(&base->th_notify, NULL);
+	return event_add_nolock_(&base->th_notify, NULL, 0);
 }
 
+int
+event_base_foreach_event_nolock_(struct event_base *base,
+    event_base_foreach_event_cb fn, void *arg)
+{
+	int r, i;
+	unsigned u;
+	struct event *ev;
+
+	/* Start out with all the EVLIST_INSERTED events. */
+	if ((r = evmap_foreach_event_(base, fn, arg)))
+		return r;
+
+	/* Okay, now we deal with those events that have timeouts and are in
+	 * the min-heap. */
+	for (u = 0; u < base->timeheap.n; ++u) {
+		ev = base->timeheap.p[u];
+		if (ev->ev_flags & EVLIST_INSERTED) {
+			/* we already processed this one */
+			continue;
+		}
+		if ((r = fn(base, ev, arg)))
+			return r;
+	}
+
+	/* Now for the events in one of the timeout queues.
+	 * the min-heap. */
+	for (i = 0; i < base->n_common_timeouts; ++i) {
+		struct common_timeout_list *ctl =
+		    base->common_timeout_queues[i];
+		TAILQ_FOREACH(ev, &ctl->events,
+		    ev_timeout_pos.ev_next_with_common_timeout) {
+			if (ev->ev_flags & EVLIST_INSERTED) {
+				/* we already processed this one */
+				continue;
+			}
+			if ((r = fn(base, ev, arg)))
+				return r;
+		}
+	}
+
+	/* Finally, we deal wit all the active events that we haven't touched
+	 * yet. */
+	for (i = 0; i < base->nactivequeues; ++i) {
+		struct event_callback *evcb;
+		TAILQ_FOREACH(evcb, &base->activequeues[i], evcb_active_next) {
+			if ((evcb->evcb_flags & (EVLIST_INIT|EVLIST_INSERTED|EVLIST_TIMEOUT)) != EVLIST_INIT) {
+				/* This isn't an event (evlist_init clear), or
+				 * we already processed it. (inserted or
+				 * timeout set */
+				continue;
+			}
+			ev = event_callback_to_event(evcb);
+			if ((r = fn(base, ev, arg)))
+				return r;
+		}
+	}
+
+	return 0;
+}
+
+/* Helper for event_base_dump_events: called on each event in the event base;
+ * dumps only the inserted events. */
+static int
+dump_inserted_event_fn(const struct event_base *base, const struct event *e, void *arg)
+{
+	FILE *output = arg;
+	const char *gloss = (e->ev_events & EV_SIGNAL) ?
+	    "sig" : "fd ";
+
+	if (! (e->ev_flags & (EVLIST_INSERTED|EVLIST_TIMEOUT)))
+		return 0;
+
+	fprintf(output, "  %p [%s "EV_SOCK_FMT"]%s%s%s%s%s%s",
+	    (void*)e, gloss, EV_SOCK_ARG(e->ev_fd),
+	    (e->ev_events&EV_READ)?" Read":"",
+	    (e->ev_events&EV_WRITE)?" Write":"",
+	    (e->ev_events&EV_CLOSED)?" EOF":"",
+	    (e->ev_events&EV_SIGNAL)?" Signal":"",
+	    (e->ev_events&EV_PERSIST)?" Persist":"",
+	    (e->ev_flags&EVLIST_INTERNAL)?" Internal":"");
+	if (e->ev_flags & EVLIST_TIMEOUT) {
+		struct timeval tv;
+		tv.tv_sec = e->ev_timeout.tv_sec;
+		tv.tv_usec = e->ev_timeout.tv_usec & MICROSECONDS_MASK;
+		evutil_timeradd(&tv, &base->tv_clock_diff, &tv);
+		fprintf(output, " Timeout=%ld.%06d",
+		    (long)tv.tv_sec, (int)(tv.tv_usec & MICROSECONDS_MASK));
+	}
+	fputc('\n', output);
+
+	return 0;
+}
+
+/* Helper for event_base_dump_events: called on each event in the event base;
+ * dumps only the active events. */
+static int
+dump_active_event_fn(const struct event_base *base, const struct event *e, void *arg)
+{
+	FILE *output = arg;
+	const char *gloss = (e->ev_events & EV_SIGNAL) ?
+	    "sig" : "fd ";
+
+	if (! (e->ev_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER)))
+		return 0;
+
+	fprintf(output, "  %p [%s "EV_SOCK_FMT", priority=%d]%s%s%s%s%s active%s%s\n",
+	    (void*)e, gloss, EV_SOCK_ARG(e->ev_fd), e->ev_pri,
+	    (e->ev_res&EV_READ)?" Read":"",
+	    (e->ev_res&EV_WRITE)?" Write":"",
+	    (e->ev_res&EV_CLOSED)?" EOF":"",
+	    (e->ev_res&EV_SIGNAL)?" Signal":"",
+	    (e->ev_res&EV_TIMEOUT)?" Timeout":"",
+	    (e->ev_flags&EVLIST_INTERNAL)?" [Internal]":"",
+	    (e->ev_flags&EVLIST_ACTIVE_LATER)?" [NextTime]":"");
+
+	return 0;
+}
+
+int
+event_base_foreach_event(struct event_base *base,
+    event_base_foreach_event_cb fn, void *arg)
+{
+	int r;
+	if ((!fn) || (!base)) {
+		return -1;
+	}
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	r = event_base_foreach_event_nolock_(base, fn, arg);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	return r;
+}
+
+
 void
 event_base_dump_events(struct event_base *base, FILE *output)
 {
-	struct event *e;
-	int i;
-	fprintf(output, "Inserted events:\n");
-	TAILQ_FOREACH(e, &base->eventqueue, ev_next) {
-		fprintf(output, "  %p [fd "EV_SOCK_FMT"]%s%s%s%s%s\n",
-				(void*)e, EV_SOCK_ARG(e->ev_fd),
-				(e->ev_events&EV_READ)?" Read":"",
-				(e->ev_events&EV_WRITE)?" Write":"",
-				(e->ev_events&EV_SIGNAL)?" Signal":"",
-				(e->ev_events&EV_TIMEOUT)?" Timeout":"",
-				(e->ev_events&EV_PERSIST)?" Persist":"");
-
-	}
-	for (i = 0; i < base->nactivequeues; ++i) {
-		if (TAILQ_EMPTY(&base->activequeues[i]))
-			continue;
-		fprintf(output, "Active events [priority %d]:\n", i);
-		TAILQ_FOREACH(e, &base->eventqueue, ev_next) {
-			fprintf(output, "  %p [fd "EV_SOCK_FMT"]%s%s%s%s\n",
-					(void*)e, EV_SOCK_ARG(e->ev_fd),
-					(e->ev_res&EV_READ)?" Read active":"",
-					(e->ev_res&EV_WRITE)?" Write active":"",
-					(e->ev_res&EV_SIGNAL)?" Signal active":"",
-					(e->ev_res&EV_TIMEOUT)?" Timeout active":"");
-		}
-	}
-}
-
-void
-event_base_add_virtual(struct event_base *base)
-{
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
-	base->virtual_event_count++;
+	fprintf(output, "Inserted events:\n");
+	event_base_foreach_event_nolock_(base, dump_inserted_event_fn, output);
+
+	fprintf(output, "Active events:\n");
+	event_base_foreach_event_nolock_(base, dump_active_event_fn, output);
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 }
 
 void
-event_base_del_virtual(struct event_base *base)
+event_base_active_by_fd(struct event_base *base, evutil_socket_t fd, short events)
+{
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	evmap_io_active_(base, fd, events & (EV_READ|EV_WRITE|EV_CLOSED));
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+}
+
+void
+event_base_active_by_signal(struct event_base *base, int sig)
+{
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	evmap_signal_active_(base, sig, 1);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+}
+
+
+void
+event_base_add_virtual_(struct event_base *base)
+{
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	base->virtual_event_count++;
+	MAX_EVENT_COUNT(base->virtual_event_count_max, base->virtual_event_count);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+}
+
+void
+event_base_del_virtual_(struct event_base *base)
 {
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
 	EVUTIL_ASSERT(base->virtual_event_count > 0);
@@ -2892,15 +3807,65 @@
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 }
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+static void
+event_free_debug_globals_locks(void)
+{
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_map_lock_ != NULL) {
+		EVTHREAD_FREE_LOCK(event_debug_map_lock_, 0);
+		event_debug_map_lock_ = NULL;
+		evthreadimpl_disable_lock_debugging_();
+	}
+#endif /* EVENT__DISABLE_DEBUG_MODE */
+#endif /* EVENT__DISABLE_THREAD_SUPPORT */
+	return;
+}
+
+static void
+event_free_debug_globals(void)
+{
+	event_free_debug_globals_locks();
+}
+
+static void
+event_free_evsig_globals(void)
+{
+	evsig_free_globals_();
+}
+
+static void
+event_free_evutil_globals(void)
+{
+	evutil_free_globals_();
+}
+
+static void
+event_free_globals(void)
+{
+	event_free_debug_globals();
+	event_free_evsig_globals();
+	event_free_evutil_globals();
+}
+
+void
+libevent_global_shutdown(void)
+{
+	event_disable_debug_mode();
+	event_free_globals();
+}
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 int
 event_global_setup_locks_(const int enable_locks)
 {
-#ifndef _EVENT_DISABLE_DEBUG_MODE
-	EVTHREAD_SETUP_GLOBAL_LOCK(_event_debug_map_lock, 0);
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	EVTHREAD_SETUP_GLOBAL_LOCK(event_debug_map_lock_, 0);
 #endif
 	if (evsig_global_setup_locks_(enable_locks) < 0)
 		return -1;
+	if (evutil_global_setup_locks_(enable_locks) < 0)
+		return -1;
 	if (evutil_secure_rng_global_setup_locks_(enable_locks) < 0)
 		return -1;
 	return 0;
@@ -2908,11 +3873,21 @@
 #endif
 
 void
-event_base_assert_ok(struct event_base *base)
+event_base_assert_ok_(struct event_base *base)
+{
+	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
+	event_base_assert_ok_nolock_(base);
+	EVBASE_RELEASE_LOCK(base, th_base_lock);
+}
+
+void
+event_base_assert_ok_nolock_(struct event_base *base)
 {
 	int i;
-	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
-	evmap_check_integrity(base);
+	int count;
+
+	/* First do checks on the per-fd and per-signal lists */
+	evmap_check_integrity_(base);
 
 	/* Check the heap property */
 	for (i = 1; i < (int)base->timeheap.n; ++i) {
@@ -2920,7 +3895,7 @@
 		struct event *ev, *p_ev;
 		ev = base->timeheap.p[i];
 		p_ev = base->timeheap.p[parent];
-		EVUTIL_ASSERT(ev->ev_flags & EV_TIMEOUT);
+		EVUTIL_ASSERT(ev->ev_flags & EVLIST_TIMEOUT);
 		EVUTIL_ASSERT(evutil_timercmp(&p_ev->ev_timeout, &ev->ev_timeout, <=));
 		EVUTIL_ASSERT(ev->ev_timeout_pos.min_heap_idx == i);
 	}
@@ -2929,15 +3904,37 @@
 	for (i = 0; i < base->n_common_timeouts; ++i) {
 		struct common_timeout_list *ctl = base->common_timeout_queues[i];
 		struct event *last=NULL, *ev;
+
+		EVUTIL_ASSERT_TAILQ_OK(&ctl->events, event, ev_timeout_pos.ev_next_with_common_timeout);
+
 		TAILQ_FOREACH(ev, &ctl->events, ev_timeout_pos.ev_next_with_common_timeout) {
 			if (last)
 				EVUTIL_ASSERT(evutil_timercmp(&last->ev_timeout, &ev->ev_timeout, <=));
-			EVUTIL_ASSERT(ev->ev_flags & EV_TIMEOUT);
+			EVUTIL_ASSERT(ev->ev_flags & EVLIST_TIMEOUT);
 			EVUTIL_ASSERT(is_common_timeout(&ev->ev_timeout,base));
 			EVUTIL_ASSERT(COMMON_TIMEOUT_IDX(&ev->ev_timeout) == i);
 			last = ev;
 		}
 	}
 
-	EVBASE_RELEASE_LOCK(base, th_base_lock);
+	/* Check the active queues. */
+	count = 0;
+	for (i = 0; i < base->nactivequeues; ++i) {
+		struct event_callback *evcb;
+		EVUTIL_ASSERT_TAILQ_OK(&base->activequeues[i], event_callback, evcb_active_next);
+		TAILQ_FOREACH(evcb, &base->activequeues[i], evcb_active_next) {
+			EVUTIL_ASSERT((evcb->evcb_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER)) == EVLIST_ACTIVE);
+			EVUTIL_ASSERT(evcb->evcb_pri == i);
+			++count;
+		}
+	}
+
+	{
+		struct event_callback *evcb;
+		TAILQ_FOREACH(evcb, &base->active_later_queue, evcb_active_next) {
+			EVUTIL_ASSERT((evcb->evcb_flags & (EVLIST_ACTIVE|EVLIST_ACTIVE_LATER)) == EVLIST_ACTIVE_LATER);
+			++count;
+		}
+	}
+	EVUTIL_ASSERT(count == base->event_count_active);
 }
diff --git a/event_iocp.c b/event_iocp.c
index 9648366..a9902fb 100644
--- a/event_iocp.c
+++ b/event_iocp.c
@@ -23,6 +23,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "evconfig-private.h"
 
 #ifndef _WIN32_WINNT
 /* Minimum required for InitializeCriticalSectionAndSpinCount */
@@ -45,7 +46,7 @@
 #define NOTIFICATION_KEY ((ULONG_PTR)-1)
 
 void
-event_overlapped_init(struct event_overlapped *o, iocp_callback cb)
+event_overlapped_init_(struct event_overlapped *o, iocp_callback cb)
 {
 	memset(o, 0, sizeof(struct event_overlapped));
 	o->cb = cb;
@@ -60,9 +61,9 @@
 }
 
 static void
-loop(void *_port)
+loop(void *port_)
 {
-	struct event_iocp_port *port = _port;
+	struct event_iocp_port *port = port_;
 	long ms = port->ms;
 	HANDLE p = port->port;
 
@@ -98,7 +99,7 @@
 }
 
 int
-event_iocp_port_associate(struct event_iocp_port *port, evutil_socket_t fd,
+event_iocp_port_associate_(struct event_iocp_port *port, evutil_socket_t fd,
     ev_uintptr_t key)
 {
 	HANDLE h;
@@ -164,7 +165,7 @@
 static struct win32_extension_fns the_extension_fns;
 
 const struct win32_extension_fns *
-event_get_win32_extension_fns(void)
+event_get_win32_extension_fns_(void)
 {
 	return &the_extension_fns;
 }
@@ -172,7 +173,7 @@
 #define N_CPUS_DEFAULT 2
 
 struct event_iocp_port *
-event_iocp_port_launch(int n_cpus)
+event_iocp_port_launch_(int n_cpus)
 {
 	struct event_iocp_port *port;
 	int i;
@@ -223,7 +224,7 @@
 }
 
 static void
-_event_iocp_port_unlock_and_free(struct event_iocp_port *port)
+event_iocp_port_unlock_and_free_(struct event_iocp_port *port)
 {
 	DeleteCriticalSection(&port->lock);
 	CloseHandle(port->port);
@@ -246,7 +247,7 @@
 }
 
 int
-event_iocp_shutdown(struct event_iocp_port *port, long waitMsec)
+event_iocp_shutdown_(struct event_iocp_port *port, long waitMsec)
 {
 	DWORD ms = INFINITE;
 	int n;
@@ -264,7 +265,7 @@
 	n = port->n_live_threads;
 	LeaveCriticalSection(&port->lock);
 	if (n == 0) {
-		_event_iocp_port_unlock_and_free(port);
+		event_iocp_port_unlock_and_free_(port);
 		return 0;
 	} else {
 		return -1;
@@ -272,7 +273,7 @@
 }
 
 int
-event_iocp_activate_overlapped(
+event_iocp_activate_overlapped_(
     struct event_iocp_port *port, struct event_overlapped *o,
     ev_uintptr_t key, ev_uint32_t n)
 {
@@ -283,9 +284,9 @@
 }
 
 struct event_iocp_port *
-event_base_get_iocp(struct event_base *base)
+event_base_get_iocp_(struct event_base *base)
 {
-#ifdef WIN32
+#ifdef _WIN32
 	return base->iocp;
 #else
 	return NULL;
diff --git a/event_rpcgen.py b/event_rpcgen.py
index dead34c..9baf730 100755
--- a/event_rpcgen.py
+++ b/event_rpcgen.py
@@ -32,6 +32,12 @@
 headerdirect = []
 cppdirect = []
 
+QUIETLY = 0
+
+def declare(s):
+    if not QUIETLY:
+        print s
+
 def TranslateList(mylist, mydict):
     return map(lambda x: x % mydict, mylist)
 
@@ -48,7 +54,7 @@
         self._name = name
         self._entries = []
         self._tags = {}
-        print >>sys.stderr, '  Created struct: %s' % name
+        declare('  Created struct: %s' % name)
 
     def AddEntry(self, entry):
         if self._tags.has_key(entry.Tag()):
@@ -58,7 +64,7 @@
                                     self._tags[entry.Tag()], line_count))
         self._entries.append(entry)
         self._tags[entry.Tag()] = entry.Name()
-        print >>sys.stderr, '    Added entry: %s' % entry.Name()
+        declare('    Added entry: %s' % entry.Name())
 
     def Name(self):
         return self._name
@@ -148,7 +154,7 @@
                        ' */\n') % self._name
 
         print >>file, \
-              'static struct %(name)s_access_ __%(name)s_base = {' % \
+              'static struct %(name)s_access_ %(name)s_base__ = {' % \
               { 'name' : self._name }
         for entry in self._entries:
             self.PrintIndented(file, '  ', entry.CodeBase())
@@ -170,7 +176,7 @@
             '    event_warn("%%s: malloc", __func__);\n'
             '    return (NULL);\n'
             '  }\n'
-            '  tmp->base = &__%(name)s_base;\n') % { 'name' : self._name }
+            '  tmp->base = &%(name)s_base__;\n') % { 'name' : self._name }
 
         for entry in self._entries:
             self.PrintIndented(file, '  ', entry.CodeInitialize('tmp'))
@@ -332,11 +338,11 @@
             'evtag_marshal_%(name)s(struct evbuffer *evbuf, ev_uint32_t tag, '
             'const struct %(name)s *msg)\n'
             '{\n'
-            '  struct evbuffer *_buf = evbuffer_new();\n'
-            '  assert(_buf != NULL);\n'
-            '  %(name)s_marshal(_buf, msg);\n'
-            '  evtag_marshal_buffer(evbuf, tag, _buf);\n '
-            '  evbuffer_free(_buf);\n'
+            '  struct evbuffer *buf_ = evbuffer_new();\n'
+            '  assert(buf_ != NULL);\n'
+            '  %(name)s_marshal(buf_, msg);\n'
+            '  evtag_marshal_buffer(evbuf, tag, buf_);\n '
+            '  evbuffer_free(buf_);\n'
             '}\n' ) % { 'name' : self._name }
 
 class Entry:
@@ -1532,7 +1538,7 @@
         # Use the complete provided path to the input file, with all
         # non-identifier characters replaced with underscores, to
         # reduce the chance of a collision between guard macros.
-        return '_' + nonident.sub('_', name).upper() + '_'
+        return 'EVENT_RPCOUT_' + nonident.sub('_', name).upper() + '_'
 
     def HeaderPreamble(self, name):
         guard = self.GuardName(name)
@@ -1579,8 +1585,8 @@
                  '#include <event2/event.h>\n'
                  '#include <event2/buffer.h>\n'
                  '#include <event2/tag.h>\n\n'
-                 '#ifdef _EVENT___func__\n'
-                 '#define __func__ _EVENT___func__\n'
+                 '#if defined(EVENT____func__) && !defined(__func__)\n'
+                 '#define __func__ EVENT____func__\n'
                  '#endif\n\n'
                  )
 
@@ -1638,6 +1644,11 @@
         self.impl_file = None
         self.factory = CCodeGenerator()
 
+        if len(argv) >= 2 and argv[1] == '--quiet':
+            global QUIETLY
+            QUIETLY = 1
+            del argv[1]
+
         if len(argv) < 2 or len(argv) > 4:
             raise Usage(argv[0])
 
@@ -1668,13 +1679,13 @@
         impl_file = self.impl_file
         factory = self.factory
 
-        print >>sys.stderr, 'Reading \"%s\"' % filename
+        declare('Reading \"%s\"' % filename)
 
         fp = open(filename, 'r')
         entities = Parse(factory, fp)
         fp.close()
 
-        print >>sys.stderr, '... creating "%s"' % header_file
+        declare('... creating "%s"' % header_file)
         header_fp = open(header_file, 'w')
         print >>header_fp, factory.HeaderPreamble(filename)
 
@@ -1690,7 +1701,7 @@
         print >>header_fp, factory.HeaderPostamble(filename)
         header_fp.close()
 
-        print >>sys.stderr, '... creating "%s"' % impl_file
+        declare('... creating "%s"' % impl_file)
         impl_fp = open(impl_file, 'w')
         print >>impl_fp, factory.BodyPreamble(filename, header_file)
         for entry in entities:
diff --git a/event_tagging.c b/event_tagging.c
index eea4bfc..6459dfa 100644
--- a/event_tagging.c
+++ b/event_tagging.c
@@ -26,25 +26,27 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_PARAM_H
+#ifdef EVENT__HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <winsock2.h>
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
-#else
-#include <sys/ioctl.h>
 #endif
 
+#ifdef EVENT__HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
 #include <sys/queue.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -52,10 +54,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef WIN32
+#ifndef _WIN32
 #include <syslog.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <limits.h>
@@ -211,7 +213,14 @@
 
 	while (count++ < len) {
 		ev_uint8_t lower = *data++;
-		number |= (lower & 0x7f) << shift;
+		if (shift >= 28) {
+			/* Make sure it fits into 32 bits */
+			if (shift > 28)
+				return (-1);
+			if ((lower & 0x7f) > 15)
+				return (-1);
+		}
+		number |= (lower & (unsigned)0x7f) << shift;
 		shift += 7;
 
 		if (!(lower & 0x80)) {
diff --git a/evmap-internal.h b/evmap-internal.h
index 23b5a8a..dfc81d5 100644
--- a/evmap-internal.h
+++ b/evmap-internal.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVMAP_H_
-#define _EVMAP_H_
+#ifndef EVMAP_INTERNAL_H_INCLUDED_
+#define EVMAP_INTERNAL_H_INCLUDED_
 
 /** @file evmap-internal.h
  *
@@ -39,15 +39,15 @@
 
 /** Initialize an event_map for use.
  */
-void evmap_io_initmap(struct event_io_map* ctx);
-void evmap_signal_initmap(struct event_signal_map* ctx);
+void evmap_io_initmap_(struct event_io_map* ctx);
+void evmap_signal_initmap_(struct event_signal_map* ctx);
 
 /** Remove all entries from an event_map.
 
 	@param ctx the map to clear.
  */
-void evmap_io_clear(struct event_io_map* ctx);
-void evmap_signal_clear(struct event_signal_map* ctx);
+void evmap_io_clear_(struct event_io_map* ctx);
+void evmap_signal_clear_(struct event_signal_map* ctx);
 
 /** Add an IO event (some combination of EV_READ or EV_WRITE) to an
     event_base's list of events on a given file descriptor, and tell the
@@ -59,7 +59,7 @@
     @param fd the file descriptor corresponding to ev.
     @param ev the event to add.
 */
-int evmap_io_add(struct event_base *base, evutil_socket_t fd, struct event *ev);
+int evmap_io_add_(struct event_base *base, evutil_socket_t fd, struct event *ev);
 /** Remove an IO event (some combination of EV_READ or EV_WRITE) to an
     event_base's list of events on a given file descriptor, and tell the
     underlying eventops about the fd if its state has changed.
@@ -68,25 +68,50 @@
     @param fd the file descriptor corresponding to ev.
     @param ev the event to remove.
  */
-int evmap_io_del(struct event_base *base, evutil_socket_t fd, struct event *ev);
+int evmap_io_del_(struct event_base *base, evutil_socket_t fd, struct event *ev);
 /** Active the set of events waiting on an event_base for a given fd.
 
     @param base the event_base to operate on.
     @param fd the file descriptor that has become active.
     @param events a bitmask of EV_READ|EV_WRITE|EV_ET.
 */
-void evmap_io_active(struct event_base *base, evutil_socket_t fd, short events);
+void evmap_io_active_(struct event_base *base, evutil_socket_t fd, short events);
 
 
 /* These functions behave in the same way as evmap_io_*, except they work on
  * signals rather than fds.  signals use a linear map everywhere; fds use
  * either a linear map or a hashtable. */
-int evmap_signal_add(struct event_base *base, int signum, struct event *ev);
-int evmap_signal_del(struct event_base *base, int signum, struct event *ev);
-void evmap_signal_active(struct event_base *base, evutil_socket_t signum, int ncalls);
+int evmap_signal_add_(struct event_base *base, int signum, struct event *ev);
+int evmap_signal_del_(struct event_base *base, int signum, struct event *ev);
+void evmap_signal_active_(struct event_base *base, evutil_socket_t signum, int ncalls);
 
-void *evmap_io_get_fdinfo(struct event_io_map *ctx, evutil_socket_t fd);
+/* Return the fdinfo object associated with a given fd.  If the fd has no
+ * events associated with it, the result may be NULL.
+ */
+void *evmap_io_get_fdinfo_(struct event_io_map *ctx, evutil_socket_t fd);
 
-void evmap_check_integrity(struct event_base *base);
+/* Helper for event_reinit(): Tell the backend to re-add every fd and signal
+ * for which we have a pending event.
+ */
+int evmap_reinit_(struct event_base *base);
 
-#endif /* _EVMAP_H_ */
+/* Helper for event_base_free(): Call event_del() on every pending fd and
+ * signal event.
+ */
+void evmap_delete_all_(struct event_base *base);
+
+/* Helper for event_base_assert_ok_(): Check referential integrity of the
+ * evmaps.
+ */
+void evmap_check_integrity_(struct event_base *base);
+
+/* Helper: Call fn on every fd or signal event, passing as its arguments the
+ * provided event_base, the event, and arg.  If fn returns 0, process the next
+ * event.  If it returns any other value, return that value and process no
+ * more events.
+ */
+int evmap_foreach_event_(struct event_base *base,
+    event_base_foreach_event_cb fn,
+    void *arg);
+
+#endif /* EVMAP_INTERNAL_H_INCLUDED_ */
diff --git a/evmap.c b/evmap.c
index 69c1067..3f76dd0 100644
--- a/evmap.c
+++ b/evmap.c
@@ -24,21 +24,22 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 #endif
 #include <sys/types.h>
-#if !defined(WIN32) && defined(_EVENT_HAVE_SYS_TIME_H)
+#if !defined(_WIN32) && defined(EVENT__HAVE_SYS_TIME_H)
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
 #include <stdio.h>
 #include <stdlib.h>
-#ifndef WIN32
+#ifndef _WIN32
 #include <unistd.h>
 #endif
 #include <errno.h>
@@ -55,15 +56,16 @@
 	write on a given fd, and the number of each.
   */
 struct evmap_io {
-	struct event_list events;
+	struct event_dlist events;
 	ev_uint16_t nread;
 	ev_uint16_t nwrite;
+	ev_uint16_t nclose;
 };
 
 /* An entry for an evmap_signal list: notes all the events that want to know
    when a signal triggers. */
 struct evmap_signal {
-	struct event_list events;
+	struct event_dlist events;
 };
 
 /* On some platforms, fds start at 0 and increment by 1 as they are
@@ -110,38 +112,38 @@
 
 #define GET_IO_SLOT(x, map, slot, type)					\
 	do {								\
-		struct event_map_entry _key, *_ent;			\
-		_key.fd = slot;						\
-		_ent = HT_FIND(event_io_map, map, &_key);		\
-		(x) = _ent ? &_ent->ent.type : NULL;			\
+		struct event_map_entry key_, *ent_;			\
+		key_.fd = slot;						\
+		ent_ = HT_FIND(event_io_map, map, &key_);		\
+		(x) = ent_ ? &ent_->ent.type : NULL;			\
 	} while (0);
 
 #define GET_IO_SLOT_AND_CTOR(x, map, slot, type, ctor, fdinfo_len)	\
 	do {								\
-		struct event_map_entry _key, *_ent;			\
-		_key.fd = slot;						\
-		_HT_FIND_OR_INSERT(event_io_map, map_node, hashsocket, map, \
-		    event_map_entry, &_key, ptr,			\
+		struct event_map_entry key_, *ent_;			\
+		key_.fd = slot;						\
+		HT_FIND_OR_INSERT_(event_io_map, map_node, hashsocket, map, \
+		    event_map_entry, &key_, ptr,			\
 		    {							\
-			    _ent = *ptr;				\
+			    ent_ = *ptr;				\
 		    },							\
 		    {							\
-			    _ent = mm_calloc(1,sizeof(struct event_map_entry)+fdinfo_len); \
-			    if (EVUTIL_UNLIKELY(_ent == NULL))		\
+			    ent_ = mm_calloc(1,sizeof(struct event_map_entry)+fdinfo_len); \
+			    if (EVUTIL_UNLIKELY(ent_ == NULL))		\
 				    return (-1);			\
-			    _ent->fd = slot;				\
-			    (ctor)(&_ent->ent.type);			\
-			    _HT_FOI_INSERT(map_node, map, &_key, _ent, ptr) \
+			    ent_->fd = slot;				\
+			    (ctor)(&ent_->ent.type);			\
+			    HT_FOI_INSERT_(map_node, map, &key_, ent_, ptr) \
 				});					\
-		(x) = &_ent->ent.type;					\
+		(x) = &ent_->ent.type;					\
 	} while (0)
 
-void evmap_io_initmap(struct event_io_map *ctx)
+void evmap_io_initmap_(struct event_io_map *ctx)
 {
 	HT_INIT(event_io_map, ctx);
 }
 
-void evmap_io_clear(struct event_io_map *ctx)
+void evmap_io_clear_(struct event_io_map *ctx)
 {
 	struct event_map_entry **ent, **next, *this;
 	for (ent = HT_START(event_io_map, ctx); ent; ent = next) {
@@ -183,14 +185,14 @@
 	GET_SIGNAL_SLOT_AND_CTOR(x,map,slot,type,ctor,fdinfo_len)
 #define FDINFO_OFFSET sizeof(struct evmap_io)
 void
-evmap_io_initmap(struct event_io_map* ctx)
+evmap_io_initmap_(struct event_io_map* ctx)
 {
-	evmap_signal_initmap(ctx);
+	evmap_signal_initmap_(ctx);
 }
 void
-evmap_io_clear(struct event_io_map* ctx)
+evmap_io_clear_(struct event_io_map* ctx)
 {
-	evmap_signal_clear(ctx);
+	evmap_signal_clear_(ctx);
 }
 #endif
 
@@ -223,14 +225,14 @@
 }
 
 void
-evmap_signal_initmap(struct event_signal_map *ctx)
+evmap_signal_initmap_(struct event_signal_map *ctx)
 {
 	ctx->nentries = 0;
 	ctx->entries = NULL;
 }
 
 void
-evmap_signal_clear(struct event_signal_map *ctx)
+evmap_signal_clear_(struct event_signal_map *ctx)
 {
 	if (ctx->entries != NULL) {
 		int i;
@@ -251,21 +253,22 @@
 static void
 evmap_io_init(struct evmap_io *entry)
 {
-	TAILQ_INIT(&entry->events);
+	LIST_INIT(&entry->events);
 	entry->nread = 0;
 	entry->nwrite = 0;
+	entry->nclose = 0;
 }
 
 
 /* return -1 on error, 0 on success if nothing changed in the event backend,
  * and 1 on success if something did. */
 int
-evmap_io_add(struct event_base *base, evutil_socket_t fd, struct event *ev)
+evmap_io_add_(struct event_base *base, evutil_socket_t fd, struct event *ev)
 {
 	const struct eventop *evsel = base->evsel;
 	struct event_io_map *io = &base->io;
 	struct evmap_io *ctx = NULL;
-	int nread, nwrite, retval = 0;
+	int nread, nwrite, nclose, retval = 0;
 	short res = 0, old = 0;
 	struct event *old_ev;
 
@@ -285,11 +288,14 @@
 
 	nread = ctx->nread;
 	nwrite = ctx->nwrite;
+	nclose = ctx->nclose;
 
 	if (nread)
 		old |= EV_READ;
 	if (nwrite)
 		old |= EV_WRITE;
+	if (nclose)
+		old |= EV_CLOSED;
 
 	if (ev->ev_events & EV_READ) {
 		if (++nread == 1)
@@ -299,13 +305,17 @@
 		if (++nwrite == 1)
 			res |= EV_WRITE;
 	}
-	if (EVUTIL_UNLIKELY(nread > 0xffff || nwrite > 0xffff)) {
+	if (ev->ev_events & EV_CLOSED) {
+		if (++nclose == 1)
+			res |= EV_CLOSED;
+	}
+	if (EVUTIL_UNLIKELY(nread > 0xffff || nwrite > 0xffff || nclose > 0xffff)) {
 		event_warnx("Too many events reading or writing on fd %d",
 		    (int)fd);
 		return -1;
 	}
 	if (EVENT_DEBUG_MODE_IS_ON() &&
-	    (old_ev = TAILQ_FIRST(&ctx->events)) &&
+	    (old_ev = LIST_FIRST(&ctx->events)) &&
 	    (old_ev->ev_events&EV_ET) != (ev->ev_events&EV_ET)) {
 		event_warnx("Tried to mix edge-triggered and non-edge-triggered"
 		    " events on fd %d", (int)fd);
@@ -325,7 +335,8 @@
 
 	ctx->nread = (ev_uint16_t) nread;
 	ctx->nwrite = (ev_uint16_t) nwrite;
-	TAILQ_INSERT_TAIL(&ctx->events, ev, ev_io_next);
+	ctx->nclose = (ev_uint16_t) nclose;
+	LIST_INSERT_HEAD(&ctx->events, ev, ev_io_next);
 
 	return (retval);
 }
@@ -333,12 +344,12 @@
 /* return -1 on error, 0 on success if nothing changed in the event backend,
  * and 1 on success if something did. */
 int
-evmap_io_del(struct event_base *base, evutil_socket_t fd, struct event *ev)
+evmap_io_del_(struct event_base *base, evutil_socket_t fd, struct event *ev)
 {
 	const struct eventop *evsel = base->evsel;
 	struct event_io_map *io = &base->io;
 	struct evmap_io *ctx;
-	int nread, nwrite, retval = 0;
+	int nread, nwrite, nclose, retval = 0;
 	short res = 0, old = 0;
 
 	if (fd < 0)
@@ -355,11 +366,14 @@
 
 	nread = ctx->nread;
 	nwrite = ctx->nwrite;
+	nclose = ctx->nclose;
 
 	if (nread)
 		old |= EV_READ;
 	if (nwrite)
 		old |= EV_WRITE;
+	if (nclose)
+		old |= EV_CLOSED;
 
 	if (ev->ev_events & EV_READ) {
 		if (--nread == 0)
@@ -371,37 +385,47 @@
 			res |= EV_WRITE;
 		EVUTIL_ASSERT(nwrite >= 0);
 	}
+	if (ev->ev_events & EV_CLOSED) {
+		if (--nclose == 0)
+			res |= EV_CLOSED;
+		EVUTIL_ASSERT(nclose >= 0);
+	}
 
 	if (res) {
 		void *extra = ((char*)ctx) + sizeof(struct evmap_io);
-		if (evsel->del(base, ev->ev_fd, old, res, extra) == -1)
-			return (-1);
-		retval = 1;
+		if (evsel->del(base, ev->ev_fd, old, res, extra) == -1) {
+			retval = -1;
+		} else {
+			retval = 1;
+		}
 	}
 
 	ctx->nread = nread;
 	ctx->nwrite = nwrite;
-	TAILQ_REMOVE(&ctx->events, ev, ev_io_next);
+	ctx->nclose = nclose;
+	LIST_REMOVE(ev, ev_io_next);
 
 	return (retval);
 }
 
 void
-evmap_io_active(struct event_base *base, evutil_socket_t fd, short events)
+evmap_io_active_(struct event_base *base, evutil_socket_t fd, short events)
 {
 	struct event_io_map *io = &base->io;
 	struct evmap_io *ctx;
 	struct event *ev;
 
 #ifndef EVMAP_USE_HT
-	EVUTIL_ASSERT(fd < io->nentries);
+	if (fd < 0 || fd >= io->nentries)
+		return;
 #endif
 	GET_IO_SLOT(ctx, io, fd, evmap_io);
 
-	EVUTIL_ASSERT(ctx);
-	TAILQ_FOREACH(ev, &ctx->events, ev_io_next) {
+	if (NULL == ctx)
+		return;
+	LIST_FOREACH(ev, &ctx->events, ev_io_next) {
 		if (ev->ev_events & events)
-			event_active_nolock(ev, ev->ev_events & events, 1);
+			event_active_nolock_(ev, ev->ev_events & events, 1);
 	}
 }
 
@@ -410,12 +434,12 @@
 static void
 evmap_signal_init(struct evmap_signal *entry)
 {
-	TAILQ_INIT(&entry->events);
+	LIST_INIT(&entry->events);
 }
 
 
 int
-evmap_signal_add(struct event_base *base, int sig, struct event *ev)
+evmap_signal_add_(struct event_base *base, int sig, struct event *ev)
 {
 	const struct eventop *evsel = base->evsigsel;
 	struct event_signal_map *map = &base->sigmap;
@@ -429,19 +453,19 @@
 	GET_SIGNAL_SLOT_AND_CTOR(ctx, map, sig, evmap_signal, evmap_signal_init,
 	    base->evsigsel->fdinfo_len);
 
-	if (TAILQ_EMPTY(&ctx->events)) {
+	if (LIST_EMPTY(&ctx->events)) {
 		if (evsel->add(base, ev->ev_fd, 0, EV_SIGNAL, NULL)
 		    == -1)
 			return (-1);
 	}
 
-	TAILQ_INSERT_TAIL(&ctx->events, ev, ev_signal_next);
+	LIST_INSERT_HEAD(&ctx->events, ev, ev_signal_next);
 
 	return (1);
 }
 
 int
-evmap_signal_del(struct event_base *base, int sig, struct event *ev)
+evmap_signal_del_(struct event_base *base, int sig, struct event *ev)
 {
 	const struct eventop *evsel = base->evsigsel;
 	struct event_signal_map *map = &base->sigmap;
@@ -452,32 +476,35 @@
 
 	GET_SIGNAL_SLOT(ctx, map, sig, evmap_signal);
 
-	if (TAILQ_FIRST(&ctx->events) == TAILQ_LAST(&ctx->events, event_list)) {
+	LIST_REMOVE(ev, ev_signal_next);
+
+	if (LIST_FIRST(&ctx->events) == NULL) {
 		if (evsel->del(base, ev->ev_fd, 0, EV_SIGNAL, NULL) == -1)
 			return (-1);
 	}
 
-	TAILQ_REMOVE(&ctx->events, ev, ev_signal_next);
-
 	return (1);
 }
 
 void
-evmap_signal_active(struct event_base *base, evutil_socket_t sig, int ncalls)
+evmap_signal_active_(struct event_base *base, evutil_socket_t sig, int ncalls)
 {
 	struct event_signal_map *map = &base->sigmap;
 	struct evmap_signal *ctx;
 	struct event *ev;
 
-	EVUTIL_ASSERT(sig < map->nentries);
+	if (sig < 0 || sig >= map->nentries)
+		return;
 	GET_SIGNAL_SLOT(ctx, map, sig, evmap_signal);
 
-	TAILQ_FOREACH(ev, &ctx->events, ev_signal_next)
-		event_active_nolock(ev, EV_SIGNAL, ncalls);
+	if (!ctx)
+		return;
+	LIST_FOREACH(ev, &ctx->events, ev_signal_next)
+		event_active_nolock_(ev, EV_SIGNAL, ncalls);
 }
 
 void *
-evmap_io_get_fdinfo(struct event_io_map *map, evutil_socket_t fd)
+evmap_io_get_fdinfo_(struct event_io_map *map, evutil_socket_t fd)
 {
 	struct evmap_io *ctx;
 	GET_IO_SLOT(ctx, map, fd, evmap_io);
@@ -487,6 +514,177 @@
 		return NULL;
 }
 
+/* Callback type for evmap_io_foreach_fd */
+typedef int (*evmap_io_foreach_fd_cb)(
+	struct event_base *, evutil_socket_t, struct evmap_io *, void *);
+
+/* Multipurpose helper function: Iterate over every file descriptor event_base
+ * for which we could have EV_READ or EV_WRITE events.  For each such fd, call
+ * fn(base, signum, evmap_io, arg), where fn is the user-provided
+ * function, base is the event_base, signum is the signal number, evmap_io
+ * is an evmap_io structure containing a list of events pending on the
+ * file descriptor, and arg is the user-supplied argument.
+ *
+ * If fn returns 0, continue on to the next signal. Otherwise, return the same
+ * value that fn returned.
+ *
+ * Note that there is no guarantee that the file descriptors will be processed
+ * in any particular order.
+ */
+static int
+evmap_io_foreach_fd(struct event_base *base,
+    evmap_io_foreach_fd_cb fn,
+    void *arg)
+{
+	evutil_socket_t fd;
+	struct event_io_map *iomap = &base->io;
+	int r = 0;
+#ifdef EVMAP_USE_HT
+	struct event_map_entry **mapent;
+	HT_FOREACH(mapent, event_io_map, iomap) {
+		struct evmap_io *ctx = &(*mapent)->ent.evmap_io;
+		fd = (*mapent)->fd;
+#else
+	for (fd = 0; fd < iomap->nentries; ++fd) {
+		struct evmap_io *ctx = iomap->entries[fd];
+		if (!ctx)
+			continue;
+#endif
+		if ((r = fn(base, fd, ctx, arg)))
+			break;
+	}
+	return r;
+}
+
+/* Callback type for evmap_signal_foreach_signal */
+typedef int (*evmap_signal_foreach_signal_cb)(
+	struct event_base *, int, struct evmap_signal *, void *);
+
+/* Multipurpose helper function: Iterate over every signal number in the
+ * event_base for which we could have signal events.  For each such signal,
+ * call fn(base, signum, evmap_signal, arg), where fn is the user-provided
+ * function, base is the event_base, signum is the signal number, evmap_signal
+ * is an evmap_signal structure containing a list of events pending on the
+ * signal, and arg is the user-supplied argument.
+ *
+ * If fn returns 0, continue on to the next signal. Otherwise, return the same
+ * value that fn returned.
+ */
+static int
+evmap_signal_foreach_signal(struct event_base *base,
+    evmap_signal_foreach_signal_cb fn,
+    void *arg)
+{
+	struct event_signal_map *sigmap = &base->sigmap;
+	int r = 0;
+	int signum;
+
+	for (signum = 0; signum < sigmap->nentries; ++signum) {
+		struct evmap_signal *ctx = sigmap->entries[signum];
+		if (!ctx)
+			continue;
+		if ((r = fn(base, signum, ctx, arg)))
+			break;
+	}
+	return r;
+}
+
+/* Helper for evmap_reinit_: tell the backend to add every fd for which we have
+ * pending events, with the appropriate combination of EV_READ, EV_WRITE, and
+ * EV_ET. */
+static int
+evmap_io_reinit_iter_fn(struct event_base *base, evutil_socket_t fd,
+    struct evmap_io *ctx, void *arg)
+{
+	const struct eventop *evsel = base->evsel;
+	void *extra;
+	int *result = arg;
+	short events = 0;
+	struct event *ev;
+	EVUTIL_ASSERT(ctx);
+
+	extra = ((char*)ctx) + sizeof(struct evmap_io);
+	if (ctx->nread)
+		events |= EV_READ;
+	if (ctx->nwrite)
+		events |= EV_WRITE;
+	if (ctx->nclose)
+		events |= EV_CLOSED;
+	if (evsel->fdinfo_len)
+		memset(extra, 0, evsel->fdinfo_len);
+	if (events &&
+	    (ev = LIST_FIRST(&ctx->events)) &&
+	    (ev->ev_events & EV_ET))
+		events |= EV_ET;
+	if (evsel->add(base, fd, 0, events, extra) == -1)
+		*result = -1;
+
+	return 0;
+}
+
+/* Helper for evmap_reinit_: tell the backend to add every signal for which we
+ * have pending events.  */
+static int
+evmap_signal_reinit_iter_fn(struct event_base *base,
+    int signum, struct evmap_signal *ctx, void *arg)
+{
+	const struct eventop *evsel = base->evsigsel;
+	int *result = arg;
+
+	if (!LIST_EMPTY(&ctx->events)) {
+		if (evsel->add(base, signum, 0, EV_SIGNAL, NULL) == -1)
+			*result = -1;
+	}
+	return 0;
+}
+
+int
+evmap_reinit_(struct event_base *base)
+{
+	int result = 0;
+
+	evmap_io_foreach_fd(base, evmap_io_reinit_iter_fn, &result);
+	if (result < 0)
+		return -1;
+	evmap_signal_foreach_signal(base, evmap_signal_reinit_iter_fn, &result);
+	if (result < 0)
+		return -1;
+	return 0;
+}
+
+/* Helper for evmap_delete_all_: delete every event in an event_dlist. */
+static int
+delete_all_in_dlist(struct event_dlist *dlist)
+{
+	struct event *ev;
+	while ((ev = LIST_FIRST(dlist)))
+		event_del(ev);
+	return 0;
+}
+
+/* Helper for evmap_delete_all_: delete every event pending on an fd. */
+static int
+evmap_io_delete_all_iter_fn(struct event_base *base, evutil_socket_t fd,
+    struct evmap_io *io_info, void *arg)
+{
+	return delete_all_in_dlist(&io_info->events);
+}
+
+/* Helper for evmap_delete_all_: delete every event pending on a signal. */
+static int
+evmap_signal_delete_all_iter_fn(struct event_base *base, int signum,
+    struct evmap_signal *sig_info, void *arg)
+{
+	return delete_all_in_dlist(&sig_info->events);
+}
+
+void
+evmap_delete_all_(struct event_base *base)
+{
+	evmap_signal_foreach_signal(base, evmap_signal_delete_all_iter_fn, NULL);
+	evmap_io_foreach_fd(base, evmap_io_delete_all_iter_fn, NULL);
+}
+
 /** Per-fd structure for use with changelists.  It keeps track, for each fd or
  * signal using the changelist, of where its entry in the changelist is.
  */
@@ -496,7 +694,7 @@
 };
 
 void
-event_changelist_init(struct event_changelist *changelist)
+event_changelist_init_(struct event_changelist *changelist)
 {
 	changelist->changes = NULL;
 	changelist->changes_size = 0;
@@ -521,10 +719,26 @@
 	return (void*)ptr;
 }
 
-#ifdef DEBUG_CHANGELIST
+/** Callback helper for event_changelist_assert_ok */
+static int
+event_changelist_assert_ok_foreach_iter_fn(
+	struct event_base *base,
+	evutil_socket_t fd, struct evmap_io *io, void *arg)
+{
+	struct event_changelist *changelist = &base->changelist;
+	struct event_changelist_fdinfo *f;
+	f = (void*)
+	    ( ((char*)io) + sizeof(struct evmap_io) );
+	if (f->idxplus1) {
+		struct event_change *c = &changelist->changes[f->idxplus1 - 1];
+		EVUTIL_ASSERT(c->fd == fd);
+	}
+	return 0;
+}
+
 /** Make sure that the changelist is consistent with the evmap structures. */
 static void
-event_changelist_check(struct event_base *base)
+event_changelist_assert_ok(struct event_base *base)
 {
 	int i;
 	struct event_changelist *changelist = &base->changelist;
@@ -539,25 +753,19 @@
 		EVUTIL_ASSERT(f->idxplus1 == i + 1);
 	}
 
-	for (i = 0; i < base->io.nentries; ++i) {
-		struct evmap_io *io = base->io.entries[i];
-		struct event_changelist_fdinfo *f;
-		if (!io)
-			continue;
-		f = (void*)
-		    ( ((char*)io) + sizeof(struct evmap_io) );
-		if (f->idxplus1) {
-			struct event_change *c = &changelist->changes[f->idxplus1 - 1];
-			EVUTIL_ASSERT(c->fd == i);
-		}
-	}
+	evmap_io_foreach_fd(base,
+	    event_changelist_assert_ok_foreach_iter_fn,
+	    NULL);
 }
+
+#ifdef DEBUG_CHANGELIST
+#define event_changelist_check(base)  event_changelist_assert_ok((base))
 #else
 #define event_changelist_check(base)  ((void)0)
 #endif
 
 void
-event_changelist_remove_all(struct event_changelist *changelist,
+event_changelist_remove_all_(struct event_changelist *changelist,
     struct event_base *base)
 {
 	int i;
@@ -578,11 +786,11 @@
 }
 
 void
-event_changelist_freemem(struct event_changelist *changelist)
+event_changelist_freemem_(struct event_changelist *changelist)
 {
 	if (changelist->changes)
 		mm_free(changelist->changes);
-	event_changelist_init(changelist); /* zero it all out. */
+	event_changelist_init_(changelist); /* zero it all out. */
 }
 
 /** Increase the size of 'changelist' to hold more changes. */
@@ -644,7 +852,7 @@
 }
 
 int
-event_changelist_add(struct event_base *base, evutil_socket_t fd, short old, short events,
+event_changelist_add_(struct event_base *base, evutil_socket_t fd, short old, short events,
     void *p)
 {
 	struct event_changelist *changelist = &base->changelist;
@@ -669,13 +877,17 @@
 		change->write_change = EV_CHANGE_ADD |
 		    (events & (EV_ET|EV_PERSIST|EV_SIGNAL));
 	}
+	if (events & EV_CLOSED) {
+		change->close_change = EV_CHANGE_ADD |
+		    (events & (EV_ET|EV_PERSIST|EV_SIGNAL));
+	}
 
 	event_changelist_check(base);
 	return (0);
 }
 
 int
-event_changelist_del(struct event_base *base, evutil_socket_t fd, short old, short events,
+event_changelist_del_(struct event_base *base, evutil_socket_t fd, short old, short events,
     void *p)
 {
 	struct event_changelist *changelist = &base->changelist;
@@ -688,14 +900,11 @@
 	if (!change)
 		return -1;
 
-	/* A delete removes any previous add, rather than replacing it:
-	   on those platforms where "add, delete, dispatch" is not the same
-	   as "no-op, dispatch", we want the no-op behavior.
-
-	   As well as checking the current operation we should also check
-	   the original set of events to make sure were not ignoring
-	   the case where the add operation is present on an event that
-	   was already set.
+	/* A delete on an event set that doesn't contain the event to be
+	   deleted produces a no-op.  This effectively emoves any previous
+	   uncommitted add, rather than replacing it: on those platforms where
+	   "add, delete, dispatch" is not the same as "no-op, dispatch", we
+	   want the no-op behavior.
 
 	   If we have a no-op item, we could remove it it from the list
 	   entirely, but really there's not much point: skipping the no-op
@@ -707,93 +916,140 @@
 	 */
 
 	if (events & (EV_READ|EV_SIGNAL)) {
-		if (!(change->old_events & (EV_READ | EV_SIGNAL)) &&
-		    (change->read_change & EV_CHANGE_ADD))
+		if (!(change->old_events & (EV_READ | EV_SIGNAL)))
 			change->read_change = 0;
 		else
 			change->read_change = EV_CHANGE_DEL;
 	}
 	if (events & EV_WRITE) {
-		if (!(change->old_events & EV_WRITE) &&
-		    (change->write_change & EV_CHANGE_ADD))
+		if (!(change->old_events & EV_WRITE))
 			change->write_change = 0;
 		else
 			change->write_change = EV_CHANGE_DEL;
 	}
+	if (events & EV_CLOSED) {
+		if (!(change->old_events & EV_CLOSED))
+			change->close_change = 0;
+		else
+			change->close_change = EV_CHANGE_DEL;
+	}
 
 	event_changelist_check(base);
 	return (0);
 }
 
-void
-evmap_check_integrity(struct event_base *base)
+/* Helper for evmap_check_integrity_: verify that all of the events pending on
+ * given fd are set up correctly, and that the nread and nwrite counts on that
+ * fd are correct. */
+static int
+evmap_io_check_integrity_fn(struct event_base *base, evutil_socket_t fd,
+    struct evmap_io *io_info, void *arg)
 {
-#define EVLIST_X_SIGFOUND 0x1000
-#define EVLIST_X_IOFOUND 0x2000
-
-	evutil_socket_t i;
 	struct event *ev;
-	struct event_io_map *io = &base->io;
-	struct event_signal_map *sigmap = &base->sigmap;
-#ifdef EVMAP_USE_HT
-	struct event_map_entry **mapent;
-#endif
-	int nsignals, ntimers, nio;
-	nsignals = ntimers = nio = 0;
+	int n_read = 0, n_write = 0, n_close = 0;
 
-	TAILQ_FOREACH(ev, &base->eventqueue, ev_next) {
+	/* First, make sure the list itself isn't corrupt. Otherwise,
+	 * running LIST_FOREACH could be an exciting adventure. */
+	EVUTIL_ASSERT_LIST_OK(&io_info->events, event, ev_io_next);
+
+	LIST_FOREACH(ev, &io_info->events, ev_io_next) {
 		EVUTIL_ASSERT(ev->ev_flags & EVLIST_INSERTED);
-		EVUTIL_ASSERT(ev->ev_flags & EVLIST_INIT);
-		ev->ev_flags &= ~(EVLIST_X_SIGFOUND|EVLIST_X_IOFOUND);
+		EVUTIL_ASSERT(ev->ev_fd == fd);
+		EVUTIL_ASSERT(!(ev->ev_events & EV_SIGNAL));
+		EVUTIL_ASSERT((ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED)));
+		if (ev->ev_events & EV_READ)
+			++n_read;
+		if (ev->ev_events & EV_WRITE)
+			++n_write;
+		if (ev->ev_events & EV_CLOSED)
+			++n_close;
 	}
 
-#ifdef EVMAP_USE_HT
-	HT_FOREACH(mapent, event_io_map, io) {
-		struct evmap_io *ctx = &(*mapent)->ent.evmap_io;
-		i = (*mapent)->fd;
-#else
-	for (i = 0; i < io->nentries; ++i) {
-		struct evmap_io *ctx = io->entries[i];
+	EVUTIL_ASSERT(n_read == io_info->nread);
+	EVUTIL_ASSERT(n_write == io_info->nwrite);
+	EVUTIL_ASSERT(n_close == io_info->nclose);
 
-		if (!ctx)
-			continue;
-#endif
-
-		TAILQ_FOREACH(ev, &ctx->events, ev_io_next) {
-			EVUTIL_ASSERT(!(ev->ev_flags & EVLIST_X_IOFOUND));
-			EVUTIL_ASSERT(ev->ev_fd == i);
-			ev->ev_flags |= EVLIST_X_IOFOUND;
-			nio++;
-		}
-	}
-
-	for (i = 0; i < sigmap->nentries; ++i) {
-		struct evmap_signal *ctx = sigmap->entries[i];
-		if (!ctx)
-			continue;
-
-		TAILQ_FOREACH(ev, &ctx->events, ev_signal_next) {
-			EVUTIL_ASSERT(!(ev->ev_flags & EVLIST_X_SIGFOUND));
-			EVUTIL_ASSERT(ev->ev_fd == i);
-			ev->ev_flags |= EVLIST_X_SIGFOUND;
-			nsignals++;
-		}
-	}
-
-	TAILQ_FOREACH(ev, &base->eventqueue, ev_next) {
-		if (ev->ev_events & (EV_READ|EV_WRITE)) {
-			EVUTIL_ASSERT(ev->ev_flags & EVLIST_X_IOFOUND);
-			--nio;
-		}
-		if (ev->ev_events & EV_SIGNAL) {
-			EVUTIL_ASSERT(ev->ev_flags & EVLIST_X_SIGFOUND);
-			--nsignals;
-		}
-	}
-
-	EVUTIL_ASSERT(nio == 0);
-	EVUTIL_ASSERT(nsignals == 0);
-	/* There is no "EVUTIL_ASSERT(ntimers == 0)": eventqueue is only for
-	 * pending signals and io events.
-	 */
+	return 0;
 }
+
+/* Helper for evmap_check_integrity_: verify that all of the events pending
+ * on given signal are set up correctly. */
+static int
+evmap_signal_check_integrity_fn(struct event_base *base,
+    int signum, struct evmap_signal *sig_info, void *arg)
+{
+	struct event *ev;
+	/* First, make sure the list itself isn't corrupt. */
+	EVUTIL_ASSERT_LIST_OK(&sig_info->events, event, ev_signal_next);
+
+	LIST_FOREACH(ev, &sig_info->events, ev_io_next) {
+		EVUTIL_ASSERT(ev->ev_flags & EVLIST_INSERTED);
+		EVUTIL_ASSERT(ev->ev_fd == signum);
+		EVUTIL_ASSERT((ev->ev_events & EV_SIGNAL));
+		EVUTIL_ASSERT(!(ev->ev_events & (EV_READ|EV_WRITE|EV_CLOSED)));
+	}
+	return 0;
+}
+
+void
+evmap_check_integrity_(struct event_base *base)
+{
+	evmap_io_foreach_fd(base, evmap_io_check_integrity_fn, NULL);
+	evmap_signal_foreach_signal(base, evmap_signal_check_integrity_fn, NULL);
+
+	if (base->evsel->add == event_changelist_add_)
+		event_changelist_assert_ok(base);
+}
+
+/* Helper type for evmap_foreach_event_: Bundles a function to call on every
+ * event, and the user-provided void* to use as its third argument. */
+struct evmap_foreach_event_helper {
+	event_base_foreach_event_cb fn;
+	void *arg;
+};
+
+/* Helper for evmap_foreach_event_: calls a provided function on every event
+ * pending on a given fd.  */
+static int
+evmap_io_foreach_event_fn(struct event_base *base, evutil_socket_t fd,
+    struct evmap_io *io_info, void *arg)
+{
+	struct evmap_foreach_event_helper *h = arg;
+	struct event *ev;
+	int r;
+	LIST_FOREACH(ev, &io_info->events, ev_io_next) {
+		if ((r = h->fn(base, ev, h->arg)))
+			return r;
+	}
+	return 0;
+}
+
+/* Helper for evmap_foreach_event_: calls a provided function on every event
+ * pending on a given signal.  */
+static int
+evmap_signal_foreach_event_fn(struct event_base *base, int signum,
+    struct evmap_signal *sig_info, void *arg)
+{
+	struct event *ev;
+	struct evmap_foreach_event_helper *h = arg;
+	int r;
+	LIST_FOREACH(ev, &sig_info->events, ev_signal_next) {
+		if ((r = h->fn(base, ev, h->arg)))
+			return r;
+	}
+	return 0;
+}
+
+int
+evmap_foreach_event_(struct event_base *base,
+    event_base_foreach_event_cb fn, void *arg)
+{
+	struct evmap_foreach_event_helper h;
+	int r;
+	h.fn = fn;
+	h.arg = arg;
+	if ((r = evmap_io_foreach_fd(base, evmap_io_foreach_event_fn, &h)))
+		return r;
+	return evmap_signal_foreach_signal(base, evmap_signal_foreach_event_fn, &h);
+}
+
diff --git a/evport.c b/evport.c
index 0d714d8..a014386 100644
--- a/evport.c
+++ b/evport.c
@@ -54,6 +54,9 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_EVENT_PORTS
 
 #include <sys/time.h>
 #include <sys/queue.h>
@@ -75,20 +78,8 @@
 #include "evsignal-internal.h"
 #include "evmap-internal.h"
 
-/*
- * Default value for ed_nevents, which is the maximum file descriptor number we
- * can handle. If an event comes in for a file descriptor F > nevents, we will
- * grow the array of file descriptors, doubling its size.
- */
-#define DEFAULT_NFDS	16
-
-
-/*
- * EVENTS_PER_GETN is the maximum number of events to retrieve from port_getn on
- * any particular call. You can speed things up by increasing this, but it will
- * (obviously) require more memory.
- */
-#define EVENTS_PER_GETN 8
+#define INITIAL_EVENTS_PER_GETN 8
+#define MAX_EVENTS_PER_GETN 4096
 
 /*
  * Per-file-descriptor information about what events we're subscribed to. These
@@ -96,7 +87,12 @@
  */
 
 struct fd_info {
-	short fdi_what;		/* combinations of EV_READ and EV_WRITE */
+	/* combinations of EV_READ and EV_WRITE */
+	short fdi_what;
+	/* Index of this fd within ed_pending, plus 1.  Zero if this fd is
+	 * not in ed_pending.  (The +1 is a hack so that memset(0) will set
+	 * it to a nil index. */
+	int pending_idx_plus_1;
 };
 
 #define FDI_HAS_READ(fdi)  ((fdi)->fdi_what & EV_READ)
@@ -107,10 +103,15 @@
 
 struct evport_data {
 	int		ed_port;	/* event port for system events  */
-	int		ed_nevents;	/* number of allocated fdi's	 */
-	struct fd_info *ed_fds;		/* allocated fdi table		 */
+	/* How many elements of ed_pending should we look at? */
+	int ed_npending;
+	/* How many elements are allocated in ed_pending and pevtlist? */
+	int ed_maxevents;
 	/* fdi's that we need to reassoc */
-	int ed_pending[EVENTS_PER_GETN]; /* fd's with pending events */
+	int *ed_pending;
+	/* storage space for incoming events. */ 
+	port_event_t *ed_pevtlist;
+	
 };
 
 static void*	evport_init(struct event_base *);
@@ -118,6 +119,7 @@
 static int evport_del(struct event_base *, int fd, short old, short events, void *);
 static int	evport_dispatch(struct event_base *, struct timeval *);
 static void	evport_dealloc(struct event_base *);
+static int	grow(struct evport_data *, int min_events);
 
 const struct eventop evportops = {
 	"evport",
@@ -128,7 +130,7 @@
 	evport_dealloc,
 	1, /* need reinit */
 	0, /* features */
-	0, /* fdinfo length */
+	sizeof(struct fd_info), /* fdinfo length */
 };
 
 /*
@@ -139,7 +141,6 @@
 evport_init(struct event_base *base)
 {
 	struct evport_data *evpd;
-	int i;
 
 	if (!(evpd = mm_calloc(1, sizeof(struct evport_data))))
 		return (NULL);
@@ -149,24 +150,47 @@
 		return (NULL);
 	}
 
-	/*
-	 * Initialize file descriptor structure
-	 */
-	evpd->ed_fds = mm_calloc(DEFAULT_NFDS, sizeof(struct fd_info));
-	if (evpd->ed_fds == NULL) {
+	if (grow(evpd, INITIAL_EVENTS_PER_GETN) < 0) {
 		close(evpd->ed_port);
 		mm_free(evpd);
-		return (NULL);
+		return NULL;
 	}
-	evpd->ed_nevents = DEFAULT_NFDS;
-	for (i = 0; i < EVENTS_PER_GETN; i++)
-		evpd->ed_pending[i] = -1;
+		
+	evpd->ed_npending = 0;
 
-	evsig_init(base);
+	evsig_init_(base);
 
 	return (evpd);
 }
 
+static int
+grow(struct evport_data *data, int min_events)
+{
+	int newsize;
+	int *new_pending;
+	port_event_t *new_pevtlist;
+	if (data->ed_maxevents) {
+		newsize = data->ed_maxevents;
+		do {
+			newsize *= 2;
+		} while (newsize < min_events);
+	} else {
+		newsize = min_events;
+	}
+
+	new_pending = mm_realloc(data->ed_pending, sizeof(int)*newsize);
+	if (new_pending == NULL)
+		return -1;
+	data->ed_pending = new_pending;
+	new_pevtlist = mm_realloc(data->ed_pevtlist, sizeof(port_event_t)*newsize);
+	if (new_pevtlist == NULL)
+		return -1;
+	data->ed_pevtlist = new_pevtlist; 
+
+	data->ed_maxevents = newsize;
+	return 0;
+}
+
 #ifdef CHECK_INVARIANTS
 /*
  * Checks some basic properties about the evport_data structure. Because it
@@ -178,9 +202,7 @@
 check_evportop(struct evport_data *evpd)
 {
 	EVUTIL_ASSERT(evpd);
-	EVUTIL_ASSERT(evpd->ed_nevents > 0);
 	EVUTIL_ASSERT(evpd->ed_port > 0);
-	EVUTIL_ASSERT(evpd->ed_fds > 0);
 }
 
 /*
@@ -196,7 +218,6 @@
 	 * PORT_SOURCE_FD.
 	 */
 	EVUTIL_ASSERT(pevt->portev_source == PORT_SOURCE_FD);
-	EVUTIL_ASSERT(pevt->portev_user == NULL);
 }
 
 #else
@@ -205,33 +226,6 @@
 #endif /* CHECK_INVARIANTS */
 
 /*
- * Doubles the size of the allocated file descriptor array.
- */
-static int
-grow(struct evport_data *epdp, int factor)
-{
-	struct fd_info *tmp;
-	int oldsize = epdp->ed_nevents;
-	int newsize = factor * oldsize;
-	EVUTIL_ASSERT(factor > 1);
-
-	check_evportop(epdp);
-
-	tmp = mm_realloc(epdp->ed_fds, sizeof(struct fd_info) * newsize);
-	if (NULL == tmp)
-		return -1;
-	epdp->ed_fds = tmp;
-	memset((char*) (epdp->ed_fds + oldsize), 0,
-	    (newsize - oldsize)*sizeof(struct fd_info));
-	epdp->ed_nevents = newsize;
-
-	check_evportop(epdp);
-
-	return 0;
-}
-
-
-/*
  * (Re)associates the given file descriptor with the event port. The OS events
  * are specified (implicitly) from the fd_info struct.
  */
@@ -242,7 +236,7 @@
 
 	if (sysevents != 0) {
 		if (port_associate(epdp->ed_port, PORT_SOURCE_FD,
-				   fd, sysevents, NULL) == -1) {
+				   fd, sysevents, fdip) == -1) {
 			event_warn("port_associate");
 			return (-1);
 		}
@@ -263,12 +257,12 @@
 {
 	int i, res;
 	struct evport_data *epdp = base->evbase;
-	port_event_t pevtlist[EVENTS_PER_GETN];
+	port_event_t *pevtlist = epdp->ed_pevtlist;
 
 	/*
 	 * port_getn will block until it has at least nevents events. It will
 	 * also return how many it's given us (which may be more than we asked
-	 * for, as long as it's less than our maximum (EVENTS_PER_GETN)) in
+	 * for, as long as it's less than our maximum (ed_maxevents)) in
 	 * nevents.
 	 */
 	int nevents = 1;
@@ -291,22 +285,25 @@
 	 * last time which need reassociation. See comment at the end of the
 	 * loop below.
 	 */
-	for (i = 0; i < EVENTS_PER_GETN; ++i) {
+	for (i = 0; i < epdp->ed_npending; ++i) {
 		struct fd_info *fdi = NULL;
-		if (epdp->ed_pending[i] != -1) {
-			fdi = &(epdp->ed_fds[epdp->ed_pending[i]]);
+		const int fd = epdp->ed_pending[i];
+		if (fd != -1) {
+			/* We might have cleared out this event; we need
+			 * to be sure that it's still set. */
+			fdi = evmap_io_get_fdinfo_(&base->io, fd);
 		}
 
 		if (fdi != NULL && FDI_HAS_EVENTS(fdi)) {
-			int fd = epdp->ed_pending[i];
 			reassociate(epdp, fdi, fd);
-			epdp->ed_pending[i] = -1;
+			/* epdp->ed_pending[i] = -1; */
+			fdi->pending_idx_plus_1 = 0;
 		}
 	}
 
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 
-	res = port_getn(epdp->ed_port, pevtlist, EVENTS_PER_GETN,
+	res = port_getn(epdp->ed_port, pevtlist, epdp->ed_maxevents,
 	    (unsigned int *) &nevents, ts_p);
 
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
@@ -326,13 +323,15 @@
 	event_debug(("%s: port_getn reports %d events", __func__, nevents));
 
 	for (i = 0; i < nevents; ++i) {
-		struct fd_info *fdi;
 		port_event_t *pevt = &pevtlist[i];
 		int fd = (int) pevt->portev_object;
+		struct fd_info *fdi = pevt->portev_user;
+		/*EVUTIL_ASSERT(evmap_io_get_fdinfo_(&base->io, fd) == fdi);*/
 
 		check_evportop(epdp);
 		check_event(pevt);
 		epdp->ed_pending[i] = fd;
+		fdi->pending_idx_plus_1 = i + 1;
 
 		/*
 		 * Figure out what kind of event it was
@@ -354,11 +353,16 @@
 		if (pevt->portev_events & (POLLERR|POLLHUP|POLLNVAL))
 			res |= EV_READ|EV_WRITE;
 
-		EVUTIL_ASSERT(epdp->ed_nevents > fd);
-		fdi = &(epdp->ed_fds[fd]);
-
-		evmap_io_active(base, fd, res);
+		evmap_io_active_(base, fd, res);
 	} /* end of all events gotten */
+	epdp->ed_npending = nevents;
+
+	if (nevents == epdp->ed_maxevents &&
+	    epdp->ed_maxevents < MAX_EVENTS_PER_GETN) {
+		/* we used all the space this time.  We should be ready
+		 * for more events next time around. */
+		grow(epdp, epdp->ed_maxevents * 2);
+	}
 
 	check_evportop(epdp);
 
@@ -375,27 +379,10 @@
 evport_add(struct event_base *base, int fd, short old, short events, void *p)
 {
 	struct evport_data *evpd = base->evbase;
-	struct fd_info *fdi;
-	int factor;
-	(void)p;
+	struct fd_info *fdi = p;
 
 	check_evportop(evpd);
 
-	/*
-	 * If necessary, grow the file descriptor info table
-	 */
-
-	factor = 1;
-	while (fd >= factor * evpd->ed_nevents)
-		factor *= 2;
-
-	if (factor > 1) {
-		if (-1 == grow(evpd, factor)) {
-			return (-1);
-		}
-	}
-
-	fdi = &evpd->ed_fds[fd];
 	fdi->fdi_what |= events;
 
 	return reassociate(evpd, fdi, fd);
@@ -409,29 +396,12 @@
 evport_del(struct event_base *base, int fd, short old, short events, void *p)
 {
 	struct evport_data *evpd = base->evbase;
-	struct fd_info *fdi;
-	int i;
-	int associated = 1;
-	(void)p;
+	struct fd_info *fdi = p;
+	int associated = ! fdi->pending_idx_plus_1;
 
 	check_evportop(evpd);
 
-	if (evpd->ed_nevents < fd) {
-		return (-1);
-	}
-
-	for (i = 0; i < EVENTS_PER_GETN; ++i) {
-		if (evpd->ed_pending[i] == fd) {
-			associated = 0;
-			break;
-		}
-	}
-
-	fdi = &evpd->ed_fds[fd];
-	if (events & EV_READ)
-		fdi->fdi_what &= ~EV_READ;
-	if (events & EV_WRITE)
-		fdi->fdi_what &= ~EV_WRITE;
+	fdi->fdi_what &= ~(events &(EV_READ|EV_WRITE));
 
 	if (associated) {
 		if (!FDI_HAS_EVENTS(fdi) &&
@@ -451,7 +421,10 @@
 		}
 	} else {
 		if ((fdi->fdi_what & (EV_READ|EV_WRITE)) == 0) {
+			const int i = fdi->pending_idx_plus_1 - 1;
+			EVUTIL_ASSERT(evpd->ed_pending[i] == fd);
 			evpd->ed_pending[i] = -1;
+			fdi->pending_idx_plus_1 = 0;
 		}
 	}
 	return 0;
@@ -463,11 +436,16 @@
 {
 	struct evport_data *evpd = base->evbase;
 
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 
 	close(evpd->ed_port);
 
-	if (evpd->ed_fds)
-		mm_free(evpd->ed_fds);
+	if (evpd->ed_pending)
+		mm_free(evpd->ed_pending);
+	if (evpd->ed_pevtlist)
+		mm_free(evpd->ed_pevtlist);
+
 	mm_free(evpd);
 }
+
+#endif /* EVENT__HAVE_EVENT_PORTS */
diff --git a/evrpc-internal.h b/evrpc-internal.h
index d6ea41a..9eb3763 100644
--- a/evrpc-internal.h
+++ b/evrpc-internal.h
@@ -24,9 +24,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVRPC_INTERNAL_H_
-#define _EVRPC_INTERNAL_H_
+#ifndef EVRPC_INTERNAL_H_INCLUDED_
+#define EVRPC_INTERNAL_H_INCLUDED_
 
+#include "event2/http.h"
 #include "http-internal.h"
 
 struct evrpc;
@@ -56,7 +57,7 @@
 struct evrpc_hook_ctx;
 TAILQ_HEAD(evrpc_pause_list, evrpc_hook_ctx);
 
-struct _evrpc_hooks {
+struct evrpc_hooks_ {
 	/* hooks for processing outbound and inbound rpcs */
 	struct evrpc_hook_list in_hooks;
 	struct evrpc_hook_list out_hooks;
@@ -69,7 +70,7 @@
 #define paused_requests common.pause_requests
 
 struct evrpc_base {
-	struct _evrpc_hooks common;
+	struct evrpc_hooks_ common;
 
 	/* the HTTP server under which we register our RPC calls */
 	struct evhttp* http_server;
@@ -79,11 +80,11 @@
 };
 
 struct evrpc_req_generic;
-void evrpc_reqstate_free(struct evrpc_req_generic* rpc_state);
+void evrpc_reqstate_free_(struct evrpc_req_generic* rpc_state);
 
 /* A pool for holding evhttp_connection objects */
 struct evrpc_pool {
-	struct _evrpc_hooks common;
+	struct evrpc_hooks_ common;
 
 	struct event_base *base;
 
@@ -117,14 +118,14 @@
 };
 
 /* allows association of meta data with a request */
-static void evrpc_hook_associate_meta(struct evrpc_hook_meta **pctx,
+static void evrpc_hook_associate_meta_(struct evrpc_hook_meta **pctx,
     struct evhttp_connection *evcon);
 
 /* creates a new meta data store */
-static struct evrpc_hook_meta *evrpc_hook_meta_new(void);
+static struct evrpc_hook_meta *evrpc_hook_meta_new_(void);
 
 /* frees the meta data associated with a request */
-static void evrpc_hook_context_free(struct evrpc_hook_meta *ctx);
+static void evrpc_hook_context_free_(struct evrpc_hook_meta *ctx);
 
 /* the server side of an rpc */
 
@@ -201,4 +202,4 @@
 	int (*reply_unmarshal)(void *, struct evbuffer*);
 };
 
-#endif /* _EVRPC_INTERNAL_H_ */
+#endif /* EVRPC_INTERNAL_H_INCLUDED_ */
diff --git a/evrpc.c b/evrpc.c
index 4bf3d2b..2443ab2 100644
--- a/evrpc.c
+++ b/evrpc.c
@@ -25,8 +25,9 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <winsock2.h>
 #include <windows.h>
@@ -34,16 +35,16 @@
 #endif
 
 #include <sys/types.h>
-#ifndef WIN32
+#ifndef _WIN32
 #include <sys/socket.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
 #include <stdio.h>
 #include <stdlib.h>
-#ifndef WIN32
+#ifndef _WIN32
 #include <unistd.h>
 #endif
 #include <errno.h>
@@ -121,7 +122,7 @@
     int (*cb)(void *, struct evhttp_request *, struct evbuffer *, void *),
     void *cb_arg)
 {
-	struct _evrpc_hooks *base = vbase;
+	struct evrpc_hooks_ *base = vbase;
 	struct evrpc_hook_list *head = NULL;
 	struct evrpc_hook *hook = NULL;
 	switch (hook_type) {
@@ -167,7 +168,7 @@
 int
 evrpc_remove_hook(void *vbase, enum EVRPC_HOOK_TYPE hook_type, void *handle)
 {
-	struct _evrpc_hooks *base = vbase;
+	struct evrpc_hooks_ *base = vbase;
 	struct evrpc_hook_list *head = NULL;
 	switch (hook_type) {
 	case EVRPC_INPUT:
@@ -301,7 +302,7 @@
 	if (TAILQ_FIRST(&rpc->base->input_hooks) != NULL) {
 		int hook_res;
 
-		evrpc_hook_associate_meta(&rpc_state->hook_meta, req->evcon);
+		evrpc_hook_associate_meta_(&rpc_state->hook_meta, req->evcon);
 
 		/*
 		 * allow hooks to modify the outgoing request
@@ -328,8 +329,7 @@
 	return;
 
 error:
-	if (rpc_state != NULL)
-		evrpc_reqstate_free(rpc_state);
+	evrpc_reqstate_free_(rpc_state);
 	evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL);
 	return;
 }
@@ -371,15 +371,14 @@
 	return;
 
 error:
-	if (rpc_state != NULL)
-		evrpc_reqstate_free(rpc_state);
+	evrpc_reqstate_free_(rpc_state);
 	evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL);
 	return;
 }
 
 
 void
-evrpc_reqstate_free(struct evrpc_req_generic* rpc_state)
+evrpc_reqstate_free_(struct evrpc_req_generic* rpc_state)
 {
 	struct evrpc *rpc;
 	EVUTIL_ASSERT(rpc_state != NULL);
@@ -387,7 +386,7 @@
 
 	/* clean up all memory */
 	if (rpc_state->hook_meta != NULL)
-		evrpc_hook_context_free(rpc_state->hook_meta);
+		evrpc_hook_context_free_(rpc_state->hook_meta);
 	if (rpc_state->request != NULL)
 		rpc->request_free(rpc_state->request);
 	if (rpc_state->reply != NULL)
@@ -427,7 +426,7 @@
 	if (TAILQ_FIRST(&rpc->base->output_hooks) != NULL) {
 		int hook_res;
 
-		evrpc_hook_associate_meta(&rpc_state->hook_meta, req->evcon);
+		evrpc_hook_associate_meta_(&rpc_state->hook_meta, req->evcon);
 
 		/* do hook based tweaks to the request */
 		hook_res = evrpc_process_hooks(&rpc->base->output_hooks,
@@ -453,8 +452,7 @@
 	return;
 
 error:
-	if (rpc_state != NULL)
-		evrpc_reqstate_free(rpc_state);
+	evrpc_reqstate_free_(rpc_state);
 	evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL);
 	return;
 }
@@ -489,13 +487,12 @@
 	}
 	evhttp_send_reply(req, HTTP_OK, "OK", rpc_state->rpc_data);
 
-	evrpc_reqstate_free(rpc_state);
+	evrpc_reqstate_free_(rpc_state);
 
 	return;
 
 error:
-	if (rpc_state != NULL)
-		evrpc_reqstate_free(rpc_state);
+	evrpc_reqstate_free_(rpc_state);
 	evhttp_send_error(req, HTTP_SERVUNAVAIL, NULL);
 	return;
 }
@@ -531,7 +528,7 @@
 evrpc_request_wrapper_free(struct evrpc_request_wrapper *request)
 {
 	if (request->hook_meta != NULL)
-		evrpc_hook_context_free(request->hook_meta);
+		evrpc_hook_context_free_(request->hook_meta);
 	mm_free(request->name);
 	mm_free(request);
 }
@@ -595,8 +592,8 @@
 	 * unless a timeout was specifically set for a connection,
 	 * the connection inherits the timeout from the pool.
 	 */
-	if (connection->timeout == -1)
-		connection->timeout = pool->timeout;
+	if (!evutil_timerisset(&connection->timeout))
+		evhttp_connection_set_timeout(connection, pool->timeout);
 
 	/*
 	 * if we have any requests pending, schedule them with the new
@@ -623,7 +620,7 @@
 {
 	struct evhttp_connection *evcon;
 	TAILQ_FOREACH(evcon, &pool->connections, next) {
-		evcon->timeout = timeout_in_secs;
+		evhttp_connection_set_timeout(evcon, timeout_in_secs);
 	}
 	pool->timeout = timeout_in_secs;
 }
@@ -680,7 +677,7 @@
 	if (TAILQ_FIRST(&pool->output_hooks) != NULL) {
 		int hook_res;
 
-		evrpc_hook_associate_meta(&ctx->hook_meta, connection);
+		evrpc_hook_associate_meta_(&ctx->hook_meta, connection);
 
 		/* apply hooks to the outgoing request */
 		hook_res = evrpc_process_hooks(&pool->output_hooks,
@@ -765,7 +762,7 @@
 evrpc_pause_request(void *vbase, void *ctx,
     void (*cb)(void *, enum EVRPC_HOOK_RESULT))
 {
-	struct _evrpc_hooks *base = vbase;
+	struct evrpc_hooks_ *base = vbase;
 	struct evrpc_hook_ctx *pause = mm_malloc(sizeof(*pause));
 	if (pause == NULL)
 		return (-1);
@@ -780,7 +777,7 @@
 int
 evrpc_resume_request(void *vbase, void *ctx, enum EVRPC_HOOK_RESULT res)
 {
-	struct _evrpc_hooks *base = vbase;
+	struct evrpc_hooks_ *base = vbase;
 	struct evrpc_pause_list *head = &base->pause_requests;
 	struct evrpc_hook_ctx *pause;
 
@@ -877,7 +874,7 @@
 	}
 
 	if (TAILQ_FIRST(&pool->input_hooks) != NULL) {
-		evrpc_hook_associate_meta(&ctx->hook_meta, ctx->evcon);
+		evrpc_hook_associate_meta_(&ctx->hook_meta, ctx->evcon);
 
 		/* apply hooks to the incoming request */
 		hook_res = evrpc_process_hooks(&pool->input_hooks,
@@ -976,7 +973,7 @@
 	struct evhttp_connection *evcon = ctx->evcon;
 	EVUTIL_ASSERT(evcon != NULL);
 
-	evhttp_connection_fail(evcon, EVCON_HTTP_TIMEOUT);
+	evhttp_connection_fail_(evcon, EVREQ_HTTP_TIMEOUT);
 }
 
 /*
@@ -998,7 +995,7 @@
 }
 
 static struct evrpc_hook_meta *
-evrpc_hook_meta_new(void)
+evrpc_hook_meta_new_(void)
 {
 	struct evrpc_hook_meta *ctx;
 	ctx = mm_malloc(sizeof(struct evrpc_hook_meta));
@@ -1011,17 +1008,17 @@
 }
 
 static void
-evrpc_hook_associate_meta(struct evrpc_hook_meta **pctx,
+evrpc_hook_associate_meta_(struct evrpc_hook_meta **pctx,
     struct evhttp_connection *evcon)
 {
 	struct evrpc_hook_meta *ctx = *pctx;
 	if (ctx == NULL)
-		*pctx = ctx = evrpc_hook_meta_new();
+		*pctx = ctx = evrpc_hook_meta_new_();
 	ctx->evcon = evcon;
 }
 
 static void
-evrpc_hook_context_free(struct evrpc_hook_meta *ctx)
+evrpc_hook_context_free_(struct evrpc_hook_meta *ctx)
 {
 	evrpc_meta_data_free(&ctx->meta_data);
 	mm_free(ctx);
@@ -1037,7 +1034,7 @@
 	struct evrpc_meta *meta = NULL;
 
 	if ((store = req->hook_meta) == NULL)
-		store = req->hook_meta = evrpc_hook_meta_new();
+		store = req->hook_meta = evrpc_hook_meta_new_();
 
 	meta = mm_malloc(sizeof(struct evrpc_meta));
 	EVUTIL_ASSERT(meta != NULL);
diff --git a/evsignal-internal.h b/evsignal-internal.h
index 426f4a4..5cff03b 100644
--- a/evsignal-internal.h
+++ b/evsignal-internal.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVSIGNAL_H_
-#define _EVSIGNAL_H_
+#ifndef EVSIGNAL_INTERNAL_H_INCLUDED_
+#define EVSIGNAL_INTERNAL_H_INCLUDED_
 
 #ifndef evutil_socket_t
 #include "event2/util.h"
@@ -48,7 +48,7 @@
 
 	/* Array of previous signal handler objects before Libevent started
 	 * messing with them.  Used to restore old signal handlers. */
-#ifdef _EVENT_HAVE_SIGACTION
+#ifdef EVENT__HAVE_SIGACTION
 	struct sigaction **sh_old;
 #else
 	ev_sighandler_t **sh_old;
@@ -56,9 +56,10 @@
 	/* Size of sh_old. */
 	int sh_old_max;
 };
-int evsig_init(struct event_base *);
-void evsig_dealloc(struct event_base *);
+int evsig_init_(struct event_base *);
+void evsig_dealloc_(struct event_base *);
 
-void evsig_set_base(struct event_base *base);
+void evsig_set_base_(struct event_base *base);
+void evsig_free_globals_(void);
 
-#endif /* _EVSIGNAL_H_ */
+#endif /* EVSIGNAL_INTERNAL_H_INCLUDED_ */
diff --git a/evthread-internal.h b/evthread-internal.h
index ccfcdde..efdecf8 100644
--- a/evthread-internal.h
+++ b/evthread-internal.h
@@ -23,20 +23,22 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVTHREAD_INTERNAL_H_
-#define _EVTHREAD_INTERNAL_H_
+#ifndef EVTHREAD_INTERNAL_H_INCLUDED_
+#define EVTHREAD_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "event2/thread.h"
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#include "event2/thread.h"
 #include "util-internal.h"
 
 struct event_base;
 
-#ifndef WIN32
+#ifndef _WIN32
 /* On Windows, the way we currently make DLLs, it's not allowed for us to
  * have shared global structures.  Thus, we only do the direct-call-to-function
  * code path if we know that the local shared library system supports it.
@@ -44,62 +46,62 @@
 #define EVTHREAD_EXPOSE_STRUCTS
 #endif
 
-#if ! defined(_EVENT_DISABLE_THREAD_SUPPORT) && defined(EVTHREAD_EXPOSE_STRUCTS)
+#if ! defined(EVENT__DISABLE_THREAD_SUPPORT) && defined(EVTHREAD_EXPOSE_STRUCTS)
 /* Global function pointers to lock-related functions. NULL if locking isn't
    enabled. */
-extern struct evthread_lock_callbacks _evthread_lock_fns;
-extern struct evthread_condition_callbacks _evthread_cond_fns;
-extern unsigned long (*_evthread_id_fn)(void);
-extern int _evthread_lock_debugging_enabled;
+extern struct evthread_lock_callbacks evthread_lock_fns_;
+extern struct evthread_condition_callbacks evthread_cond_fns_;
+extern unsigned long (*evthread_id_fn_)(void);
+extern int evthread_lock_debugging_enabled_;
 
 /** Return the ID of the current thread, or 1 if threading isn't enabled. */
 #define EVTHREAD_GET_ID() \
-	(_evthread_id_fn ? _evthread_id_fn() : 1)
+	(evthread_id_fn_ ? evthread_id_fn_() : 1)
 
 /** Return true iff we're in the thread that is currently (or most recently)
  * running a given event_base's loop. Requires lock. */
 #define EVBASE_IN_THREAD(base)				 \
-	(_evthread_id_fn == NULL ||			 \
-	(base)->th_owner_id == _evthread_id_fn())
+	(evthread_id_fn_ == NULL ||			 \
+	(base)->th_owner_id == evthread_id_fn_())
 
 /** Return true iff we need to notify the base's main thread about changes to
  * its state, because it's currently running the main loop in another
  * thread. Requires lock. */
 #define EVBASE_NEED_NOTIFY(base)			 \
-	(_evthread_id_fn != NULL &&			 \
+	(evthread_id_fn_ != NULL &&			 \
 	    (base)->running_loop &&			 \
-	    (base)->th_owner_id != _evthread_id_fn())
+	    (base)->th_owner_id != evthread_id_fn_())
 
 /** Allocate a new lock, and store it in lockvar, a void*.  Sets lockvar to
     NULL if locking is not enabled. */
 #define EVTHREAD_ALLOC_LOCK(lockvar, locktype)		\
-	((lockvar) = _evthread_lock_fns.alloc ?		\
-	    _evthread_lock_fns.alloc(locktype) : NULL)
+	((lockvar) = evthread_lock_fns_.alloc ?		\
+	    evthread_lock_fns_.alloc(locktype) : NULL)
 
 /** Free a given lock, if it is present and locking is enabled. */
 #define EVTHREAD_FREE_LOCK(lockvar, locktype)				\
 	do {								\
-		void *_lock_tmp_ = (lockvar);				\
-		if (_lock_tmp_ && _evthread_lock_fns.free)		\
-			_evthread_lock_fns.free(_lock_tmp_, (locktype)); \
+		void *lock_tmp_ = (lockvar);				\
+		if (lock_tmp_ && evthread_lock_fns_.free)		\
+			evthread_lock_fns_.free(lock_tmp_, (locktype)); \
 	} while (0)
 
 /** Acquire a lock. */
 #define EVLOCK_LOCK(lockvar,mode)					\
 	do {								\
 		if (lockvar)						\
-			_evthread_lock_fns.lock(mode, lockvar);		\
+			evthread_lock_fns_.lock(mode, lockvar);		\
 	} while (0)
 
 /** Release a lock */
 #define EVLOCK_UNLOCK(lockvar,mode)					\
 	do {								\
 		if (lockvar)						\
-			_evthread_lock_fns.unlock(mode, lockvar);	\
+			evthread_lock_fns_.unlock(mode, lockvar);	\
 	} while (0)
 
 /** Helper: put lockvar1 and lockvar2 into pointerwise ascending order. */
-#define _EVLOCK_SORTLOCKS(lockvar1, lockvar2)				\
+#define EVLOCK_SORTLOCKS_(lockvar1, lockvar2)				\
 	do {								\
 		if (lockvar1 && lockvar2 && lockvar1 > lockvar2) {	\
 			void *tmp = lockvar1;				\
@@ -123,19 +125,19 @@
  * locked and held by us. */
 #define EVLOCK_ASSERT_LOCKED(lock)					\
 	do {								\
-		if ((lock) && _evthread_lock_debugging_enabled) {	\
-			EVUTIL_ASSERT(_evthread_is_debug_lock_held(lock)); \
+		if ((lock) && evthread_lock_debugging_enabled_) {	\
+			EVUTIL_ASSERT(evthread_is_debug_lock_held_(lock)); \
 		}							\
 	} while (0)
 
 /** Try to grab the lock for 'lockvar' without blocking, and return 1 if we
  * manage to get it. */
-static inline int EVLOCK_TRY_LOCK(void *lock);
+static inline int EVLOCK_TRY_LOCK_(void *lock);
 static inline int
-EVLOCK_TRY_LOCK(void *lock)
+EVLOCK_TRY_LOCK_(void *lock)
 {
-	if (lock && _evthread_lock_fns.lock) {
-		int r = _evthread_lock_fns.lock(EVTHREAD_TRY, lock);
+	if (lock && evthread_lock_fns_.lock) {
+		int r = evthread_lock_fns_.lock(EVTHREAD_TRY, lock);
 		return !r;
 	} else {
 		/* Locking is disabled either globally or for this thing;
@@ -147,79 +149,79 @@
 /** Allocate a new condition variable and store it in the void *, condvar */
 #define EVTHREAD_ALLOC_COND(condvar)					\
 	do {								\
-		(condvar) = _evthread_cond_fns.alloc_condition ?	\
-		    _evthread_cond_fns.alloc_condition(0) : NULL;	\
+		(condvar) = evthread_cond_fns_.alloc_condition ?	\
+		    evthread_cond_fns_.alloc_condition(0) : NULL;	\
 	} while (0)
 /** Deallocate and free a condition variable in condvar */
 #define EVTHREAD_FREE_COND(cond)					\
 	do {								\
 		if (cond)						\
-			_evthread_cond_fns.free_condition((cond));	\
+			evthread_cond_fns_.free_condition((cond));	\
 	} while (0)
 /** Signal one thread waiting on cond */
 #define EVTHREAD_COND_SIGNAL(cond)					\
-	( (cond) ? _evthread_cond_fns.signal_condition((cond), 0) : 0 )
+	( (cond) ? evthread_cond_fns_.signal_condition((cond), 0) : 0 )
 /** Signal all threads waiting on cond */
 #define EVTHREAD_COND_BROADCAST(cond)					\
-	( (cond) ? _evthread_cond_fns.signal_condition((cond), 1) : 0 )
+	( (cond) ? evthread_cond_fns_.signal_condition((cond), 1) : 0 )
 /** Wait until the condition 'cond' is signalled.  Must be called while
  * holding 'lock'.  The lock will be released until the condition is
  * signalled, at which point it will be acquired again.  Returns 0 for
  * success, -1 for failure. */
 #define EVTHREAD_COND_WAIT(cond, lock)					\
-	( (cond) ? _evthread_cond_fns.wait_condition((cond), (lock), NULL) : 0 )
+	( (cond) ? evthread_cond_fns_.wait_condition((cond), (lock), NULL) : 0 )
 /** As EVTHREAD_COND_WAIT, but gives up after 'tv' has elapsed.  Returns 1
  * on timeout. */
 #define EVTHREAD_COND_WAIT_TIMED(cond, lock, tv)			\
-	( (cond) ? _evthread_cond_fns.wait_condition((cond), (lock), (tv)) : 0 )
+	( (cond) ? evthread_cond_fns_.wait_condition((cond), (lock), (tv)) : 0 )
 
 /** True iff locking functions have been configured. */
 #define EVTHREAD_LOCKING_ENABLED()		\
-	(_evthread_lock_fns.lock != NULL)
+	(evthread_lock_fns_.lock != NULL)
 
-#elif ! defined(_EVENT_DISABLE_THREAD_SUPPORT)
+#elif ! defined(EVENT__DISABLE_THREAD_SUPPORT)
 
-unsigned long _evthreadimpl_get_id(void);
-int _evthreadimpl_is_lock_debugging_enabled(void);
-void *_evthreadimpl_lock_alloc(unsigned locktype);
-void _evthreadimpl_lock_free(void *lock, unsigned locktype);
-int _evthreadimpl_lock_lock(unsigned mode, void *lock);
-int _evthreadimpl_lock_unlock(unsigned mode, void *lock);
-void *_evthreadimpl_cond_alloc(unsigned condtype);
-void _evthreadimpl_cond_free(void *cond);
-int _evthreadimpl_cond_signal(void *cond, int broadcast);
-int _evthreadimpl_cond_wait(void *cond, void *lock, const struct timeval *tv);
-int _evthreadimpl_locking_enabled(void);
+unsigned long evthreadimpl_get_id_(void);
+int evthreadimpl_is_lock_debugging_enabled_(void);
+void *evthreadimpl_lock_alloc_(unsigned locktype);
+void evthreadimpl_lock_free_(void *lock, unsigned locktype);
+int evthreadimpl_lock_lock_(unsigned mode, void *lock);
+int evthreadimpl_lock_unlock_(unsigned mode, void *lock);
+void *evthreadimpl_cond_alloc_(unsigned condtype);
+void evthreadimpl_cond_free_(void *cond);
+int evthreadimpl_cond_signal_(void *cond, int broadcast);
+int evthreadimpl_cond_wait_(void *cond, void *lock, const struct timeval *tv);
+int evthreadimpl_locking_enabled_(void);
 
-#define EVTHREAD_GET_ID() _evthreadimpl_get_id()
+#define EVTHREAD_GET_ID() evthreadimpl_get_id_()
 #define EVBASE_IN_THREAD(base)				\
-	((base)->th_owner_id == _evthreadimpl_get_id())
+	((base)->th_owner_id == evthreadimpl_get_id_())
 #define EVBASE_NEED_NOTIFY(base)			 \
 	((base)->running_loop &&			 \
-	    ((base)->th_owner_id != _evthreadimpl_get_id()))
+	    ((base)->th_owner_id != evthreadimpl_get_id_()))
 
 #define EVTHREAD_ALLOC_LOCK(lockvar, locktype)		\
-	((lockvar) = _evthreadimpl_lock_alloc(locktype))
+	((lockvar) = evthreadimpl_lock_alloc_(locktype))
 
 #define EVTHREAD_FREE_LOCK(lockvar, locktype)				\
 	do {								\
-		void *_lock_tmp_ = (lockvar);				\
-		if (_lock_tmp_)						\
-			_evthreadimpl_lock_free(_lock_tmp_, (locktype)); \
+		void *lock_tmp_ = (lockvar);				\
+		if (lock_tmp_)						\
+			evthreadimpl_lock_free_(lock_tmp_, (locktype)); \
 	} while (0)
 
 /** Acquire a lock. */
 #define EVLOCK_LOCK(lockvar,mode)					\
 	do {								\
 		if (lockvar)						\
-			_evthreadimpl_lock_lock(mode, lockvar);		\
+			evthreadimpl_lock_lock_(mode, lockvar);		\
 	} while (0)
 
 /** Release a lock */
 #define EVLOCK_UNLOCK(lockvar,mode)					\
 	do {								\
 		if (lockvar)						\
-			_evthreadimpl_lock_unlock(mode, lockvar);	\
+			evthreadimpl_lock_unlock_(mode, lockvar);	\
 	} while (0)
 
 /** Lock an event_base, if it is set up for locking.  Acquires the lock
@@ -237,19 +239,19 @@
  * locked and held by us. */
 #define EVLOCK_ASSERT_LOCKED(lock)					\
 	do {								\
-		if ((lock) && _evthreadimpl_is_lock_debugging_enabled()) { \
-			EVUTIL_ASSERT(_evthread_is_debug_lock_held(lock)); \
+		if ((lock) && evthreadimpl_is_lock_debugging_enabled_()) { \
+			EVUTIL_ASSERT(evthread_is_debug_lock_held_(lock)); \
 		}							\
 	} while (0)
 
 /** Try to grab the lock for 'lockvar' without blocking, and return 1 if we
  * manage to get it. */
-static inline int EVLOCK_TRY_LOCK(void *lock);
+static inline int EVLOCK_TRY_LOCK_(void *lock);
 static inline int
-EVLOCK_TRY_LOCK(void *lock)
+EVLOCK_TRY_LOCK_(void *lock)
 {
 	if (lock) {
-		int r = _evthreadimpl_lock_lock(EVTHREAD_TRY, lock);
+		int r = evthreadimpl_lock_lock_(EVTHREAD_TRY, lock);
 		return !r;
 	} else {
 		/* Locking is disabled either globally or for this thing;
@@ -261,68 +263,68 @@
 /** Allocate a new condition variable and store it in the void *, condvar */
 #define EVTHREAD_ALLOC_COND(condvar)					\
 	do {								\
-		(condvar) = _evthreadimpl_cond_alloc(0);		\
+		(condvar) = evthreadimpl_cond_alloc_(0);		\
 	} while (0)
 /** Deallocate and free a condition variable in condvar */
 #define EVTHREAD_FREE_COND(cond)					\
 	do {								\
 		if (cond)						\
-			_evthreadimpl_cond_free((cond));		\
+			evthreadimpl_cond_free_((cond));		\
 	} while (0)
 /** Signal one thread waiting on cond */
 #define EVTHREAD_COND_SIGNAL(cond)					\
-	( (cond) ? _evthreadimpl_cond_signal((cond), 0) : 0 )
+	( (cond) ? evthreadimpl_cond_signal_((cond), 0) : 0 )
 /** Signal all threads waiting on cond */
 #define EVTHREAD_COND_BROADCAST(cond)					\
-	( (cond) ? _evthreadimpl_cond_signal((cond), 1) : 0 )
+	( (cond) ? evthreadimpl_cond_signal_((cond), 1) : 0 )
 /** Wait until the condition 'cond' is signalled.  Must be called while
  * holding 'lock'.  The lock will be released until the condition is
  * signalled, at which point it will be acquired again.  Returns 0 for
  * success, -1 for failure. */
 #define EVTHREAD_COND_WAIT(cond, lock)					\
-	( (cond) ? _evthreadimpl_cond_wait((cond), (lock), NULL) : 0 )
+	( (cond) ? evthreadimpl_cond_wait_((cond), (lock), NULL) : 0 )
 /** As EVTHREAD_COND_WAIT, but gives up after 'tv' has elapsed.  Returns 1
  * on timeout. */
 #define EVTHREAD_COND_WAIT_TIMED(cond, lock, tv)			\
-	( (cond) ? _evthreadimpl_cond_wait((cond), (lock), (tv)) : 0 )
+	( (cond) ? evthreadimpl_cond_wait_((cond), (lock), (tv)) : 0 )
 
 #define EVTHREAD_LOCKING_ENABLED()		\
-	(_evthreadimpl_locking_enabled())
+	(evthreadimpl_locking_enabled_())
 
-#else /* _EVENT_DISABLE_THREAD_SUPPORT */
+#else /* EVENT__DISABLE_THREAD_SUPPORT */
 
 #define EVTHREAD_GET_ID()	1
-#define EVTHREAD_ALLOC_LOCK(lockvar, locktype) _EVUTIL_NIL_STMT
-#define EVTHREAD_FREE_LOCK(lockvar, locktype) _EVUTIL_NIL_STMT
+#define EVTHREAD_ALLOC_LOCK(lockvar, locktype) EVUTIL_NIL_STMT_
+#define EVTHREAD_FREE_LOCK(lockvar, locktype) EVUTIL_NIL_STMT_
 
-#define EVLOCK_LOCK(lockvar, mode) _EVUTIL_NIL_STMT
-#define EVLOCK_UNLOCK(lockvar, mode) _EVUTIL_NIL_STMT
-#define EVLOCK_LOCK2(lock1,lock2,mode1,mode2) _EVUTIL_NIL_STMT
-#define EVLOCK_UNLOCK2(lock1,lock2,mode1,mode2) _EVUTIL_NIL_STMT
+#define EVLOCK_LOCK(lockvar, mode) EVUTIL_NIL_STMT_
+#define EVLOCK_UNLOCK(lockvar, mode) EVUTIL_NIL_STMT_
+#define EVLOCK_LOCK2(lock1,lock2,mode1,mode2) EVUTIL_NIL_STMT_
+#define EVLOCK_UNLOCK2(lock1,lock2,mode1,mode2) EVUTIL_NIL_STMT_
 
 #define EVBASE_IN_THREAD(base)	1
 #define EVBASE_NEED_NOTIFY(base) 0
-#define EVBASE_ACQUIRE_LOCK(base, lock) _EVUTIL_NIL_STMT
-#define EVBASE_RELEASE_LOCK(base, lock) _EVUTIL_NIL_STMT
-#define EVLOCK_ASSERT_LOCKED(lock) _EVUTIL_NIL_STMT
+#define EVBASE_ACQUIRE_LOCK(base, lock) EVUTIL_NIL_STMT_
+#define EVBASE_RELEASE_LOCK(base, lock) EVUTIL_NIL_STMT_
+#define EVLOCK_ASSERT_LOCKED(lock) EVUTIL_NIL_STMT_
 
-#define EVLOCK_TRY_LOCK(lock) 1
+#define EVLOCK_TRY_LOCK_(lock) 1
 
-#define EVTHREAD_ALLOC_COND(condvar) _EVUTIL_NIL_STMT
-#define EVTHREAD_FREE_COND(cond) _EVUTIL_NIL_STMT
-#define EVTHREAD_COND_SIGNAL(cond) _EVUTIL_NIL_STMT
-#define EVTHREAD_COND_BROADCAST(cond) _EVUTIL_NIL_STMT
-#define EVTHREAD_COND_WAIT(cond, lock) _EVUTIL_NIL_STMT
-#define EVTHREAD_COND_WAIT_TIMED(cond, lock, howlong) _EVUTIL_NIL_STMT
+#define EVTHREAD_ALLOC_COND(condvar) EVUTIL_NIL_STMT_
+#define EVTHREAD_FREE_COND(cond) EVUTIL_NIL_STMT_
+#define EVTHREAD_COND_SIGNAL(cond) EVUTIL_NIL_STMT_
+#define EVTHREAD_COND_BROADCAST(cond) EVUTIL_NIL_STMT_
+#define EVTHREAD_COND_WAIT(cond, lock) EVUTIL_NIL_STMT_
+#define EVTHREAD_COND_WAIT_TIMED(cond, lock, howlong) EVUTIL_NIL_STMT_
 
 #define EVTHREAD_LOCKING_ENABLED() 0
 
 #endif
 
 /* This code is shared between both lock impls */
-#if ! defined(_EVENT_DISABLE_THREAD_SUPPORT)
+#if ! defined(EVENT__DISABLE_THREAD_SUPPORT)
 /** Helper: put lockvar1 and lockvar2 into pointerwise ascending order. */
-#define _EVLOCK_SORTLOCKS(lockvar1, lockvar2)				\
+#define EVLOCK_SORTLOCKS_(lockvar1, lockvar2)				\
 	do {								\
 		if (lockvar1 && lockvar2 && lockvar1 > lockvar2) {	\
 			void *tmp = lockvar1;				\
@@ -335,26 +337,26 @@
  * so that two threads locking two locks with LOCK2 will not deadlock. */
 #define EVLOCK_LOCK2(lock1,lock2,mode1,mode2)				\
 	do {								\
-		void *_lock1_tmplock = (lock1);				\
-		void *_lock2_tmplock = (lock2);				\
-		_EVLOCK_SORTLOCKS(_lock1_tmplock,_lock2_tmplock);	\
-		EVLOCK_LOCK(_lock1_tmplock,mode1);			\
-		if (_lock2_tmplock != _lock1_tmplock)			\
-			EVLOCK_LOCK(_lock2_tmplock,mode2);		\
+		void *lock1_tmplock_ = (lock1);				\
+		void *lock2_tmplock_ = (lock2);				\
+		EVLOCK_SORTLOCKS_(lock1_tmplock_,lock2_tmplock_);	\
+		EVLOCK_LOCK(lock1_tmplock_,mode1);			\
+		if (lock2_tmplock_ != lock1_tmplock_)			\
+			EVLOCK_LOCK(lock2_tmplock_,mode2);		\
 	} while (0)
 /** Release both lock1 and lock2.  */
 #define EVLOCK_UNLOCK2(lock1,lock2,mode1,mode2)				\
 	do {								\
-		void *_lock1_tmplock = (lock1);				\
-		void *_lock2_tmplock = (lock2);				\
-		_EVLOCK_SORTLOCKS(_lock1_tmplock,_lock2_tmplock);	\
-		if (_lock2_tmplock != _lock1_tmplock)			\
-			EVLOCK_UNLOCK(_lock2_tmplock,mode2);		\
-		EVLOCK_UNLOCK(_lock1_tmplock,mode1);			\
+		void *lock1_tmplock_ = (lock1);				\
+		void *lock2_tmplock_ = (lock2);				\
+		EVLOCK_SORTLOCKS_(lock1_tmplock_,lock2_tmplock_);	\
+		if (lock2_tmplock_ != lock1_tmplock_)			\
+			EVLOCK_UNLOCK(lock2_tmplock_,mode2);		\
+		EVLOCK_UNLOCK(lock1_tmplock_,mode1);			\
 	} while (0)
 
-int _evthread_is_debug_lock_held(void *lock);
-void *_evthread_debug_get_real_lock(void *lock);
+int evthread_is_debug_lock_held_(void *lock);
+void *evthread_debug_get_real_lock_(void *lock);
 
 void *evthread_setup_global_lock_(void *lock_, unsigned locktype,
     int enable_locks);
@@ -371,12 +373,20 @@
 
 int event_global_setup_locks_(const int enable_locks);
 int evsig_global_setup_locks_(const int enable_locks);
+int evutil_global_setup_locks_(const int enable_locks);
 int evutil_secure_rng_global_setup_locks_(const int enable_locks);
 
+/** Return current evthread_lock_callbacks */
+struct evthread_lock_callbacks *evthread_get_lock_callbacks(void);
+/** Return current evthread_condition_callbacks */
+struct evthread_condition_callbacks *evthread_get_condition_callbacks(void);
+/** Disable locking for internal usage (like global shutdown) */
+void evthreadimpl_disable_lock_debugging_(void);
+
 #endif
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVTHREAD_INTERNAL_H_ */
+#endif /* EVTHREAD_INTERNAL_H_INCLUDED_ */
diff --git a/evthread.c b/evthread.c
index 90e195d..f3f1edd 100644
--- a/evthread.c
+++ b/evthread.c
@@ -25,8 +25,9 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 
 #include "event2/thread.h"
 
@@ -44,42 +45,68 @@
 #define GLOBAL static
 #endif
 
+#ifndef EVENT__DISABLE_DEBUG_MODE
+extern int event_debug_created_threadable_ctx_;                    
+extern int event_debug_mode_on_;
+#endif
+
 /* globals */
-GLOBAL int _evthread_lock_debugging_enabled = 0;
-GLOBAL struct evthread_lock_callbacks _evthread_lock_fns = {
+GLOBAL int evthread_lock_debugging_enabled_ = 0;
+GLOBAL struct evthread_lock_callbacks evthread_lock_fns_ = {
 	0, 0, NULL, NULL, NULL, NULL
 };
-GLOBAL unsigned long (*_evthread_id_fn)(void) = NULL;
-GLOBAL struct evthread_condition_callbacks _evthread_cond_fns = {
+GLOBAL unsigned long (*evthread_id_fn_)(void) = NULL;
+GLOBAL struct evthread_condition_callbacks evthread_cond_fns_ = {
 	0, NULL, NULL, NULL, NULL
 };
 
 /* Used for debugging */
-static struct evthread_lock_callbacks _original_lock_fns = {
+static struct evthread_lock_callbacks original_lock_fns_ = {
 	0, 0, NULL, NULL, NULL, NULL
 };
-static struct evthread_condition_callbacks _original_cond_fns = {
+static struct evthread_condition_callbacks original_cond_fns_ = {
 	0, NULL, NULL, NULL, NULL
 };
 
 void
 evthread_set_id_callback(unsigned long (*id_fn)(void))
 {
-	_evthread_id_fn = id_fn;
+	evthread_id_fn_ = id_fn;
+}
+
+struct evthread_lock_callbacks *evthread_get_lock_callbacks()
+{
+	return evthread_lock_debugging_enabled_
+	    ? &original_lock_fns_ : &evthread_lock_fns_;
+}
+struct evthread_condition_callbacks *evthread_get_condition_callbacks()
+{
+	return evthread_lock_debugging_enabled_
+	    ? &original_cond_fns_ : &evthread_cond_fns_;
+}
+void evthreadimpl_disable_lock_debugging_(void)
+{
+	evthread_lock_debugging_enabled_ = 0;
 }
 
 int
 evthread_set_lock_callbacks(const struct evthread_lock_callbacks *cbs)
 {
-	struct evthread_lock_callbacks *target =
-	    _evthread_lock_debugging_enabled
-	    ? &_original_lock_fns : &_evthread_lock_fns;
+	struct evthread_lock_callbacks *target = evthread_get_lock_callbacks();
+
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_mode_on_) {
+		if (event_debug_created_threadable_ctx_) {
+		    event_errx(1, "evthread initialization must be called BEFORE anything else!");
+		}
+	}
+#endif
 
 	if (!cbs) {
 		if (target->alloc)
 			event_warnx("Trying to disable lock functions after "
 			    "they have been set up will probaby not work.");
-		memset(target, 0, sizeof(_evthread_lock_fns));
+		memset(target, 0, sizeof(evthread_lock_fns_));
 		return 0;
 	}
 	if (target->alloc) {
@@ -98,7 +125,7 @@
 		return -1;
 	}
 	if (cbs->alloc && cbs->free && cbs->lock && cbs->unlock) {
-		memcpy(target, cbs, sizeof(_evthread_lock_fns));
+		memcpy(target, cbs, sizeof(evthread_lock_fns_));
 		return event_global_setup_locks_(1);
 	} else {
 		return -1;
@@ -108,16 +135,22 @@
 int
 evthread_set_condition_callbacks(const struct evthread_condition_callbacks *cbs)
 {
-	struct evthread_condition_callbacks *target =
-	    _evthread_lock_debugging_enabled
-	    ? &_original_cond_fns : &_evthread_cond_fns;
+	struct evthread_condition_callbacks *target = evthread_get_condition_callbacks();
+
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_mode_on_) {
+		if (event_debug_created_threadable_ctx_) {
+		    event_errx(1, "evthread initialization must be called BEFORE anything else!");
+		}
+	}
+#endif
 
 	if (!cbs) {
 		if (target->alloc_condition)
 			event_warnx("Trying to disable condition functions "
 			    "after they have been set up will probaby not "
 			    "work.");
-		memset(target, 0, sizeof(_evthread_cond_fns));
+		memset(target, 0, sizeof(evthread_cond_fns_));
 		return 0;
 	}
 	if (target->alloc_condition) {
@@ -136,17 +169,20 @@
 	}
 	if (cbs->alloc_condition && cbs->free_condition &&
 	    cbs->signal_condition && cbs->wait_condition) {
-		memcpy(target, cbs, sizeof(_evthread_cond_fns));
+		memcpy(target, cbs, sizeof(evthread_cond_fns_));
 	}
-	if (_evthread_lock_debugging_enabled) {
-		_evthread_cond_fns.alloc_condition = cbs->alloc_condition;
-		_evthread_cond_fns.free_condition = cbs->free_condition;
-		_evthread_cond_fns.signal_condition = cbs->signal_condition;
+	if (evthread_lock_debugging_enabled_) {
+		evthread_cond_fns_.alloc_condition = cbs->alloc_condition;
+		evthread_cond_fns_.free_condition = cbs->free_condition;
+		evthread_cond_fns_.signal_condition = cbs->signal_condition;
 	}
 	return 0;
 }
 
+#define DEBUG_LOCK_SIG	0xdeb0b10c
+
 struct debug_lock {
+	unsigned signature;
 	unsigned locktype;
 	unsigned long held_by;
 	/* XXXX if we ever use read-write locks, we will need a separate
@@ -161,8 +197,8 @@
 	struct debug_lock *result = mm_malloc(sizeof(struct debug_lock));
 	if (!result)
 		return NULL;
-	if (_original_lock_fns.alloc) {
-		if (!(result->lock = _original_lock_fns.alloc(
+	if (original_lock_fns_.alloc) {
+		if (!(result->lock = original_lock_fns_.alloc(
 				locktype|EVTHREAD_LOCKTYPE_RECURSIVE))) {
 			mm_free(result);
 			return NULL;
@@ -170,6 +206,7 @@
 	} else {
 		result->lock = NULL;
 	}
+	result->signature = DEBUG_LOCK_SIG;
 	result->locktype = locktype;
 	result->count = 0;
 	result->held_by = 0;
@@ -182,24 +219,27 @@
 	struct debug_lock *lock = lock_;
 	EVUTIL_ASSERT(lock->count == 0);
 	EVUTIL_ASSERT(locktype == lock->locktype);
-	if (_original_lock_fns.free) {
-		_original_lock_fns.free(lock->lock,
+	EVUTIL_ASSERT(DEBUG_LOCK_SIG == lock->signature);
+	if (original_lock_fns_.free) {
+		original_lock_fns_.free(lock->lock,
 		    lock->locktype|EVTHREAD_LOCKTYPE_RECURSIVE);
 	}
 	lock->lock = NULL;
 	lock->count = -100;
+	lock->signature = 0x12300fda;
 	mm_free(lock);
 }
 
 static void
 evthread_debug_lock_mark_locked(unsigned mode, struct debug_lock *lock)
 {
+	EVUTIL_ASSERT(DEBUG_LOCK_SIG == lock->signature);
 	++lock->count;
 	if (!(lock->locktype & EVTHREAD_LOCKTYPE_RECURSIVE))
 		EVUTIL_ASSERT(lock->count == 1);
-	if (_evthread_id_fn) {
+	if (evthread_id_fn_) {
 		unsigned long me;
-		me = _evthread_id_fn();
+		me = evthread_id_fn_();
 		if (lock->count > 1)
 			EVUTIL_ASSERT(lock->held_by == me);
 		lock->held_by = me;
@@ -215,8 +255,8 @@
 		EVUTIL_ASSERT(mode & (EVTHREAD_READ|EVTHREAD_WRITE));
 	else
 		EVUTIL_ASSERT((mode & (EVTHREAD_READ|EVTHREAD_WRITE)) == 0);
-	if (_original_lock_fns.lock)
-		res = _original_lock_fns.lock(mode, lock->lock);
+	if (original_lock_fns_.lock)
+		res = original_lock_fns_.lock(mode, lock->lock);
 	if (!res) {
 		evthread_debug_lock_mark_locked(mode, lock);
 	}
@@ -226,12 +266,15 @@
 static void
 evthread_debug_lock_mark_unlocked(unsigned mode, struct debug_lock *lock)
 {
+	EVUTIL_ASSERT(DEBUG_LOCK_SIG == lock->signature);
 	if (lock->locktype & EVTHREAD_LOCKTYPE_READWRITE)
 		EVUTIL_ASSERT(mode & (EVTHREAD_READ|EVTHREAD_WRITE));
 	else
 		EVUTIL_ASSERT((mode & (EVTHREAD_READ|EVTHREAD_WRITE)) == 0);
-	if (_evthread_id_fn) {
-		EVUTIL_ASSERT(lock->held_by == _evthread_id_fn());
+	if (evthread_id_fn_) {
+		unsigned long me;
+		me = evthread_id_fn_();
+		EVUTIL_ASSERT(lock->held_by == me);
 		if (lock->count == 1)
 			lock->held_by = 0;
 	}
@@ -245,27 +288,35 @@
 	struct debug_lock *lock = lock_;
 	int res = 0;
 	evthread_debug_lock_mark_unlocked(mode, lock);
-	if (_original_lock_fns.unlock)
-		res = _original_lock_fns.unlock(mode, lock->lock);
+	if (original_lock_fns_.unlock)
+		res = original_lock_fns_.unlock(mode, lock->lock);
 	return res;
 }
 
 static int
-debug_cond_wait(void *_cond, void *_lock, const struct timeval *tv)
+debug_cond_wait(void *cond_, void *lock_, const struct timeval *tv)
 {
 	int r;
-	struct debug_lock *lock = _lock;
+	struct debug_lock *lock = lock_;
 	EVUTIL_ASSERT(lock);
-	EVLOCK_ASSERT_LOCKED(_lock);
+	EVUTIL_ASSERT(DEBUG_LOCK_SIG == lock->signature);
+	EVLOCK_ASSERT_LOCKED(lock_);
 	evthread_debug_lock_mark_unlocked(0, lock);
-	r = _original_cond_fns.wait_condition(_cond, lock->lock, tv);
+	r = original_cond_fns_.wait_condition(cond_, lock->lock, tv);
 	evthread_debug_lock_mark_locked(0, lock);
 	return r;
 }
 
+/* misspelled version for backward compatibility */
 void
 evthread_enable_lock_debuging(void)
 {
+	evthread_enable_lock_debugging();
+}
+
+void
+evthread_enable_lock_debugging(void)
+{
 	struct evthread_lock_callbacks cbs = {
 		EVTHREAD_LOCK_API_VERSION,
 		EVTHREAD_LOCKTYPE_RECURSIVE,
@@ -274,30 +325,30 @@
 		debug_lock_lock,
 		debug_lock_unlock
 	};
-	if (_evthread_lock_debugging_enabled)
+	if (evthread_lock_debugging_enabled_)
 		return;
-	memcpy(&_original_lock_fns, &_evthread_lock_fns,
+	memcpy(&original_lock_fns_, &evthread_lock_fns_,
 	    sizeof(struct evthread_lock_callbacks));
-	memcpy(&_evthread_lock_fns, &cbs,
+	memcpy(&evthread_lock_fns_, &cbs,
 	    sizeof(struct evthread_lock_callbacks));
 
-	memcpy(&_original_cond_fns, &_evthread_cond_fns,
+	memcpy(&original_cond_fns_, &evthread_cond_fns_,
 	    sizeof(struct evthread_condition_callbacks));
-	_evthread_cond_fns.wait_condition = debug_cond_wait;
-	_evthread_lock_debugging_enabled = 1;
+	evthread_cond_fns_.wait_condition = debug_cond_wait;
+	evthread_lock_debugging_enabled_ = 1;
 
 	/* XXX return value should get checked. */
 	event_global_setup_locks_(0);
 }
 
 int
-_evthread_is_debug_lock_held(void *lock_)
+evthread_is_debug_lock_held_(void *lock_)
 {
 	struct debug_lock *lock = lock_;
 	if (! lock->count)
 		return 0;
-	if (_evthread_id_fn) {
-		unsigned long me = _evthread_id_fn();
+	if (evthread_id_fn_) {
+		unsigned long me = evthread_id_fn_();
 		if (lock->held_by != me)
 			return 0;
 	}
@@ -305,7 +356,7 @@
 }
 
 void *
-_evthread_debug_get_real_lock(void *lock_)
+evthread_debug_get_real_lock_(void *lock_)
 {
 	struct debug_lock *lock = lock_;
 	return lock->lock;
@@ -320,23 +371,23 @@
 	   3) we're turning on locking; debugging is not on.
 	   4) we're turning on locking; debugging is on. */
 
-	if (!enable_locks && _original_lock_fns.alloc == NULL) {
+	if (!enable_locks && original_lock_fns_.alloc == NULL) {
 		/* Case 1: allocate a debug lock. */
 		EVUTIL_ASSERT(lock_ == NULL);
 		return debug_lock_alloc(locktype);
-	} else if (!enable_locks && _original_lock_fns.alloc != NULL) {
+	} else if (!enable_locks && original_lock_fns_.alloc != NULL) {
 		/* Case 2: wrap the lock in a debug lock. */
 		struct debug_lock *lock;
 		EVUTIL_ASSERT(lock_ != NULL);
 
 		if (!(locktype & EVTHREAD_LOCKTYPE_RECURSIVE)) {
 			/* We can't wrap it: We need a recursive lock */
-			_original_lock_fns.free(lock_, locktype);
+			original_lock_fns_.free(lock_, locktype);
 			return debug_lock_alloc(locktype);
 		}
 		lock = mm_malloc(sizeof(struct debug_lock));
 		if (!lock) {
-			_original_lock_fns.free(lock_, locktype);
+			original_lock_fns_.free(lock_, locktype);
 			return NULL;
 		}
 		lock->lock = lock_;
@@ -344,23 +395,24 @@
 		lock->count = 0;
 		lock->held_by = 0;
 		return lock;
-	} else if (enable_locks && ! _evthread_lock_debugging_enabled) {
+	} else if (enable_locks && ! evthread_lock_debugging_enabled_) {
 		/* Case 3: allocate a regular lock */
 		EVUTIL_ASSERT(lock_ == NULL);
-		return _evthread_lock_fns.alloc(locktype);
+		return evthread_lock_fns_.alloc(locktype);
 	} else {
 		/* Case 4: Fill in a debug lock with a real lock */
-		struct debug_lock *lock = lock_;
+		struct debug_lock *lock = lock_ ? lock_ : debug_lock_alloc(locktype);
 		EVUTIL_ASSERT(enable_locks &&
-		              _evthread_lock_debugging_enabled);
+		              evthread_lock_debugging_enabled_);
 		EVUTIL_ASSERT(lock->locktype == locktype);
-		EVUTIL_ASSERT(lock->lock == NULL);
-		lock->lock = _original_lock_fns.alloc(
-			locktype|EVTHREAD_LOCKTYPE_RECURSIVE);
 		if (!lock->lock) {
-			lock->count = -200;
-			mm_free(lock);
-			return NULL;
+			lock->lock = original_lock_fns_.alloc(
+				locktype|EVTHREAD_LOCKTYPE_RECURSIVE);
+			if (!lock->lock) {
+				lock->count = -200;
+				mm_free(lock);
+				return NULL;
+			}
 		}
 		return lock;
 	}
@@ -369,76 +421,88 @@
 
 #ifndef EVTHREAD_EXPOSE_STRUCTS
 unsigned long
-_evthreadimpl_get_id()
+evthreadimpl_get_id_()
 {
-	return _evthread_id_fn ? _evthread_id_fn() : 1;
+	return evthread_id_fn_ ? evthread_id_fn_() : 1;
 }
 void *
-_evthreadimpl_lock_alloc(unsigned locktype)
+evthreadimpl_lock_alloc_(unsigned locktype)
 {
-	return _evthread_lock_fns.alloc ?
-	    _evthread_lock_fns.alloc(locktype) : NULL;
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_mode_on_) {
+		event_debug_created_threadable_ctx_ = 1;
+	}
+#endif
+
+	return evthread_lock_fns_.alloc ?
+	    evthread_lock_fns_.alloc(locktype) : NULL;
 }
 void
-_evthreadimpl_lock_free(void *lock, unsigned locktype)
+evthreadimpl_lock_free_(void *lock, unsigned locktype)
 {
-	if (_evthread_lock_fns.free)
-		_evthread_lock_fns.free(lock, locktype);
+	if (evthread_lock_fns_.free)
+		evthread_lock_fns_.free(lock, locktype);
 }
 int
-_evthreadimpl_lock_lock(unsigned mode, void *lock)
+evthreadimpl_lock_lock_(unsigned mode, void *lock)
 {
-	if (_evthread_lock_fns.lock)
-		return _evthread_lock_fns.lock(mode, lock);
+	if (evthread_lock_fns_.lock)
+		return evthread_lock_fns_.lock(mode, lock);
 	else
 		return 0;
 }
 int
-_evthreadimpl_lock_unlock(unsigned mode, void *lock)
+evthreadimpl_lock_unlock_(unsigned mode, void *lock)
 {
-	if (_evthread_lock_fns.unlock)
-		return _evthread_lock_fns.unlock(mode, lock);
+	if (evthread_lock_fns_.unlock)
+		return evthread_lock_fns_.unlock(mode, lock);
 	else
 		return 0;
 }
 void *
-_evthreadimpl_cond_alloc(unsigned condtype)
+evthreadimpl_cond_alloc_(unsigned condtype)
 {
-	return _evthread_cond_fns.alloc_condition ?
-	    _evthread_cond_fns.alloc_condition(condtype) : NULL;
+#ifndef EVENT__DISABLE_DEBUG_MODE
+	if (event_debug_mode_on_) {
+		event_debug_created_threadable_ctx_ = 1;
+	}
+#endif
+
+	return evthread_cond_fns_.alloc_condition ?
+	    evthread_cond_fns_.alloc_condition(condtype) : NULL;
 }
 void
-_evthreadimpl_cond_free(void *cond)
+evthreadimpl_cond_free_(void *cond)
 {
-	if (_evthread_cond_fns.free_condition)
-		_evthread_cond_fns.free_condition(cond);
+	if (evthread_cond_fns_.free_condition)
+		evthread_cond_fns_.free_condition(cond);
 }
 int
-_evthreadimpl_cond_signal(void *cond, int broadcast)
+evthreadimpl_cond_signal_(void *cond, int broadcast)
 {
-	if (_evthread_cond_fns.signal_condition)
-		return _evthread_cond_fns.signal_condition(cond, broadcast);
+	if (evthread_cond_fns_.signal_condition)
+		return evthread_cond_fns_.signal_condition(cond, broadcast);
 	else
 		return 0;
 }
 int
-_evthreadimpl_cond_wait(void *cond, void *lock, const struct timeval *tv)
+evthreadimpl_cond_wait_(void *cond, void *lock, const struct timeval *tv)
 {
-	if (_evthread_cond_fns.wait_condition)
-		return _evthread_cond_fns.wait_condition(cond, lock, tv);
+	if (evthread_cond_fns_.wait_condition)
+		return evthread_cond_fns_.wait_condition(cond, lock, tv);
 	else
 		return 0;
 }
 int
-_evthreadimpl_is_lock_debugging_enabled(void)
+evthreadimpl_is_lock_debugging_enabled_(void)
 {
-	return _evthread_lock_debugging_enabled;
+	return evthread_lock_debugging_enabled_;
 }
 
 int
-_evthreadimpl_locking_enabled(void)
+evthreadimpl_locking_enabled_(void)
 {
-	return _evthread_lock_fns.lock != NULL;
+	return evthread_lock_fns_.lock != NULL;
 }
 #endif
 
diff --git a/evthread_pthread.c b/evthread_pthread.c
index c4d06ea..4e11f74 100644
--- a/evthread_pthread.c
+++ b/evthread_pthread.c
@@ -24,9 +24,11 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-/* With glibc we need to define this to get PTHREAD_MUTEX_RECURSIVE. */
-#define _GNU_SOURCE
+/* With glibc we need to define _GNU_SOURCE to get PTHREAD_MUTEX_RECURSIVE.
+ * This comes from evconfig-private.h
+ */
 #include <pthread.h>
 
 struct event_base;
@@ -56,17 +58,17 @@
 }
 
 static void
-evthread_posix_lock_free(void *_lock, unsigned locktype)
+evthread_posix_lock_free(void *lock_, unsigned locktype)
 {
-	pthread_mutex_t *lock = _lock;
+	pthread_mutex_t *lock = lock_;
 	pthread_mutex_destroy(lock);
 	mm_free(lock);
 }
 
 static int
-evthread_posix_lock(unsigned mode, void *_lock)
+evthread_posix_lock(unsigned mode, void *lock_)
 {
-	pthread_mutex_t *lock = _lock;
+	pthread_mutex_t *lock = lock_;
 	if (mode & EVTHREAD_TRY)
 		return pthread_mutex_trylock(lock);
 	else
@@ -74,9 +76,9 @@
 }
 
 static int
-evthread_posix_unlock(unsigned mode, void *_lock)
+evthread_posix_unlock(unsigned mode, void *lock_)
 {
-	pthread_mutex_t *lock = _lock;
+	pthread_mutex_t *lock = lock_;
 	return pthread_mutex_unlock(lock);
 }
 
@@ -85,13 +87,13 @@
 {
 	union {
 		pthread_t thr;
-#if _EVENT_SIZEOF_PTHREAD_T > _EVENT_SIZEOF_LONG
+#if EVENT__SIZEOF_PTHREAD_T > EVENT__SIZEOF_LONG
 		ev_uint64_t id;
 #else
 		unsigned long id;
 #endif
 	} r;
-#if _EVENT_SIZEOF_PTHREAD_T < _EVENT_SIZEOF_LONG
+#if EVENT__SIZEOF_PTHREAD_T < EVENT__SIZEOF_LONG
 	memset(&r, 0, sizeof(r));
 #endif
 	r.thr = pthread_self();
@@ -112,17 +114,17 @@
 }
 
 static void
-evthread_posix_cond_free(void *_cond)
+evthread_posix_cond_free(void *cond_)
 {
-	pthread_cond_t *cond = _cond;
+	pthread_cond_t *cond = cond_;
 	pthread_cond_destroy(cond);
 	mm_free(cond);
 }
 
 static int
-evthread_posix_cond_signal(void *_cond, int broadcast)
+evthread_posix_cond_signal(void *cond_, int broadcast)
 {
-	pthread_cond_t *cond = _cond;
+	pthread_cond_t *cond = cond_;
 	int r;
 	if (broadcast)
 		r = pthread_cond_broadcast(cond);
@@ -132,11 +134,11 @@
 }
 
 static int
-evthread_posix_cond_wait(void *_cond, void *_lock, const struct timeval *tv)
+evthread_posix_cond_wait(void *cond_, void *lock_, const struct timeval *tv)
 {
 	int r;
-	pthread_cond_t *cond = _cond;
-	pthread_mutex_t *lock = _lock;
+	pthread_cond_t *cond = cond_;
+	pthread_mutex_t *lock = lock_;
 
 	if (tv) {
 		struct timeval now, abstime;
diff --git a/evthread_win32.c b/evthread_win32.c
index fabd981..2ec8056 100644
--- a/evthread_win32.c
+++ b/evthread_win32.c
@@ -24,8 +24,9 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #ifndef _WIN32_WINNT
 /* Minimum required for InitializeCriticalSectionAndSpinCount */
 #define _WIN32_WINNT 0x0403
@@ -42,6 +43,7 @@
 
 #include "mm-internal.h"
 #include "evthread-internal.h"
+#include "time-internal.h"
 
 #define SPIN_COUNT 2000
 
@@ -59,17 +61,17 @@
 }
 
 static void
-evthread_win32_lock_free(void *_lock, unsigned locktype)
+evthread_win32_lock_free(void *lock_, unsigned locktype)
 {
-	CRITICAL_SECTION *lock = _lock;
+	CRITICAL_SECTION *lock = lock_;
 	DeleteCriticalSection(lock);
 	mm_free(lock);
 }
 
 static int
-evthread_win32_lock(unsigned mode, void *_lock)
+evthread_win32_lock(unsigned mode, void *lock_)
 {
-	CRITICAL_SECTION *lock = _lock;
+	CRITICAL_SECTION *lock = lock_;
 	if ((mode & EVTHREAD_TRY)) {
 		return ! TryEnterCriticalSection(lock);
 	} else {
@@ -79,9 +81,9 @@
 }
 
 static int
-evthread_win32_unlock(unsigned mode, void *_lock)
+evthread_win32_unlock(unsigned mode, void *lock_)
 {
-	CRITICAL_SECTION *lock = _lock;
+	CRITICAL_SECTION *lock = lock_;
 	LeaveCriticalSection(lock);
 	return 0;
 }
@@ -133,17 +135,17 @@
 }
 
 static void
-evthread_win32_condvar_free(void *_cond)
+evthread_win32_condvar_free(void *cond_)
 {
-	CONDITION_VARIABLE *cond = _cond;
+	CONDITION_VARIABLE *cond = cond_;
 	/* There doesn't _seem_ to be a cleaup fn here... */
 	mm_free(cond);
 }
 
 static int
-evthread_win32_condvar_signal(void *_cond, int broadcast)
+evthread_win32_condvar_signal(void *cond, int broadcast)
 {
-	CONDITION_VARIABLE *cond = _cond;
+	CONDITION_VARIABLE *cond = cond_;
 	if (broadcast)
 		WakeAllConditionVariable_fn(cond);
 	else
@@ -152,15 +154,15 @@
 }
 
 static int
-evthread_win32_condvar_wait(void *_cond, void *_lock, const struct timeval *tv)
+evthread_win32_condvar_wait(void *cond_, void *lock_, const struct timeval *tv)
 {
-	CONDITION_VARIABLE *cond = _cond;
-	CRITICAL_SECTION *lock = _lock;
+	CONDITION_VARIABLE *cond = cond_;
+	CRITICAL_SECTION *lock = lock_;
 	DWORD ms, err;
 	BOOL result;
 
 	if (tv)
-		ms = evutil_tv_to_msec(tv);
+		ms = evutil_tv_to_msec_(tv);
 	else
 		ms = INFINITE;
 	result = SleepConditionVariableCS_fn(cond, lock, ms);
@@ -204,18 +206,18 @@
 }
 
 static void
-evthread_win32_cond_free(void *_cond)
+evthread_win32_cond_free(void *cond_)
 {
-	struct evthread_win32_cond *cond = _cond;
+	struct evthread_win32_cond *cond = cond_;
 	DeleteCriticalSection(&cond->lock);
 	CloseHandle(cond->event);
 	mm_free(cond);
 }
 
 static int
-evthread_win32_cond_signal(void *_cond, int broadcast)
+evthread_win32_cond_signal(void *cond_, int broadcast)
 {
-	struct evthread_win32_cond *cond = _cond;
+	struct evthread_win32_cond *cond = cond_;
 	EnterCriticalSection(&cond->lock);
 	if (broadcast)
 		cond->n_to_wake = cond->n_waiting;
@@ -228,16 +230,16 @@
 }
 
 static int
-evthread_win32_cond_wait(void *_cond, void *_lock, const struct timeval *tv)
+evthread_win32_cond_wait(void *cond_, void *lock_, const struct timeval *tv)
 {
-	struct evthread_win32_cond *cond = _cond;
-	CRITICAL_SECTION *lock = _lock;
+	struct evthread_win32_cond *cond = cond_;
+	CRITICAL_SECTION *lock = lock_;
 	int generation_at_start;
 	int waiting = 1;
 	int result = -1;
 	DWORD ms = INFINITE, ms_orig = INFINITE, startTime, endTime;
 	if (tv)
-		ms_orig = ms = evutil_tv_to_msec(tv);
+		ms_orig = ms = evutil_tv_to_msec_(tv);
 
 	EnterCriticalSection(&cond->lock);
 	++cond->n_waiting;
diff --git a/evutil.c b/evutil.c
index 3344517..1e8ef7b 100644
--- a/evutil.c
+++ b/evutil.c
@@ -25,10 +25,9 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#define _GNU_SOURCE
-
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #define WIN32_LEAN_AND_MEAN
@@ -36,77 +35,92 @@
 #undef WIN32_LEAN_AND_MEAN
 #include <io.h>
 #include <tchar.h>
+#include <process.h>
+#undef _WIN32_WINNT
+/* For structs needed by GetAdaptersAddresses */
+#define _WIN32_WINNT 0x0501
+#include <iphlpapi.h>
 #endif
 
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
-#ifdef _EVENT_HAVE_FCNTL_H
+#ifdef EVENT__HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-#ifdef _EVENT_HAVE_STDLIB_H
+#ifdef EVENT__HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
 #include <errno.h>
 #include <limits.h>
 #include <stdio.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_NETINET_IN_H
+#ifdef EVENT__HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
-#ifdef _EVENT_HAVE_NETINET_IN6_H
+#ifdef EVENT__HAVE_NETINET_IN6_H
 #include <netinet/in6.h>
 #endif
-#ifdef _EVENT_HAVE_ARPA_INET_H
+#ifdef EVENT__HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+#ifdef EVENT__HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
-
-#ifndef _EVENT_HAVE_GETTIMEOFDAY
-#include <sys/timeb.h>
 #include <time.h>
-#endif
 #include <sys/stat.h>
+#ifdef EVENT__HAVE_IFADDRS_H
+#include <ifaddrs.h>
+#endif
 
 #include "event2/util.h"
 #include "util-internal.h"
 #include "log-internal.h"
 #include "mm-internal.h"
+#include "evthread-internal.h"
 
 #include "strlcpy-internal.h"
 #include "ipv6-internal.h"
 
-#ifdef WIN32
+#ifdef _WIN32
+#define HT_NO_CACHE_HASH_VALUES
+#include "ht-internal.h"
 #define open _open
 #define read _read
 #define close _close
+#ifndef fstat
 #define fstat _fstati64
+#endif
+#ifndef stat
 #define stat _stati64
+#endif
 #define mode_t int
 #endif
 
 int
-evutil_open_closeonexec(const char *pathname, int flags, unsigned mode)
+evutil_open_closeonexec_(const char *pathname, int flags, unsigned mode)
 {
 	int fd;
 
 #ifdef O_CLOEXEC
-	flags |= O_CLOEXEC;
+	fd = open(pathname, flags|O_CLOEXEC, (mode_t)mode);
+	if (fd >= 0 || errno == EINVAL)
+		return fd;
+	/* If we got an EINVAL, fall through and try without O_CLOEXEC */
 #endif
-
-	if (flags & O_CREAT)
-		fd = open(pathname, flags, (mode_t)mode);
-	else
-		fd = open(pathname, flags);
+	fd = open(pathname, flags, (mode_t)mode);
 	if (fd < 0)
 		return -1;
 
-#if !defined(O_CLOEXEC) && defined(FD_CLOEXEC)
-	if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0)
+#if defined(FD_CLOEXEC)
+	if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) {
+		close(fd);
 		return -1;
+	}
 #endif
 
 	return fd;
@@ -123,7 +137,7 @@
    Used internally only; may go away in a future version.
  */
 int
-evutil_read_file(const char *filename, char **content_out, size_t *len_out,
+evutil_read_file_(const char *filename, char **content_out, size_t *len_out,
     int is_binary)
 {
 	int fd, r;
@@ -142,7 +156,7 @@
 		mode |= O_BINARY;
 #endif
 
-	fd = evutil_open_closeonexec(filename, mode, 0);
+	fd = evutil_open_closeonexec_(filename, mode, 0);
 	if (fd < 0)
 		return -1;
 	if (fstat(fd, &st) || st.st_size < 0 ||
@@ -156,7 +170,7 @@
 		return -2;
 	}
 	read_so_far = 0;
-#ifdef WIN32
+#ifdef _WIN32
 #define N_TO_READ(x) ((x) > INT_MAX) ? INT_MAX : ((int)(x))
 #else
 #define N_TO_READ(x) (x)
@@ -182,15 +196,15 @@
 int
 evutil_socketpair(int family, int type, int protocol, evutil_socket_t fd[2])
 {
-#ifndef WIN32
+#ifndef _WIN32
 	return socketpair(family, type, protocol, fd);
 #else
-	return evutil_ersatz_socketpair(family, type, protocol, fd);
+	return evutil_ersatz_socketpair_(family, type, protocol, fd);
 #endif
 }
 
 int
-evutil_ersatz_socketpair(int family, int type, int protocol,
+evutil_ersatz_socketpair_(int family, int type, int protocol,
     evutil_socket_t fd[2])
 {
 	/* This code is originally from Tor.  Used with permission. */
@@ -200,7 +214,7 @@
 	 * for now, and really, when localhost is down sometimes, we
 	 * have other problems too.
 	 */
-#ifdef WIN32
+#ifdef _WIN32
 #define ERR(e) WSA##e
 #else
 #define ERR(e) e
@@ -212,16 +226,17 @@
 	struct sockaddr_in connect_addr;
 	ev_socklen_t size;
 	int saved_errno = -1;
-
-	if (protocol
-		|| (family != AF_INET
+	int family_test;
+	
+	family_test = family != AF_INET;
 #ifdef AF_UNIX
-		    && family != AF_UNIX
+	family_test = family_test && (family != AF_UNIX);
 #endif
-		)) {
+	if (protocol || family_test) {
 		EVUTIL_SET_SOCKET_ERROR(ERR(EAFNOSUPPORT));
 		return -1;
 	}
+	
 	if (!fd) {
 		EVUTIL_SET_SOCKET_ERROR(ERR(EINVAL));
 		return -1;
@@ -243,6 +258,9 @@
 	connector = socket(AF_INET, type, 0);
 	if (connector < 0)
 		goto tidy_up_and_fail;
+
+	memset(&connect_addr, 0, sizeof(connect_addr));
+
 	/* We want to find out the port number to connect to.  */
 	size = sizeof(connect_addr);
 	if (getsockname(listener, (struct sockaddr *) &connect_addr, &size) == -1)
@@ -294,9 +312,9 @@
 int
 evutil_make_socket_nonblocking(evutil_socket_t fd)
 {
-#ifdef WIN32
+#ifdef _WIN32
 	{
-		u_long nonblocking = 1;
+		unsigned long nonblocking = 1;
 		if (ioctlsocket(fd, FIONBIO, &nonblocking) == SOCKET_ERROR) {
 			event_sock_warn(fd, "fcntl(%d, F_GETFL)", (int)fd);
 			return -1;
@@ -309,19 +327,39 @@
 			event_warn("fcntl(%d, F_GETFL)", fd);
 			return -1;
 		}
-		if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
-			event_warn("fcntl(%d, F_SETFL)", fd);
-			return -1;
+		if (!(flags & O_NONBLOCK)) {
+			if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
+				event_warn("fcntl(%d, F_SETFL)", fd);
+				return -1;
+			}
 		}
 	}
 #endif
 	return 0;
 }
 
+/* Faster version of evutil_make_socket_nonblocking for internal use.
+ *
+ * Requires that no F_SETFL flags were previously set on the fd.
+ */
+static int
+evutil_fast_socket_nonblocking(evutil_socket_t fd)
+{
+#ifdef _WIN32
+	return evutil_make_socket_nonblocking(fd);
+#else
+	if (fcntl(fd, F_SETFL, O_NONBLOCK) == -1) {
+		event_warn("fcntl(%d, F_SETFL)", fd);
+		return -1;
+	}
+	return 0;
+#endif
+}
+
 int
 evutil_make_listen_socket_reuseable(evutil_socket_t sock)
 {
-#ifndef WIN32
+#if defined(SO_REUSEADDR) && !defined(_WIN32)
 	int one = 1;
 	/* REUSEADDR on Unix means, "don't hang on to this address after the
 	 * listener is closed."  On Windows, though, it means "don't keep other
@@ -334,15 +372,61 @@
 }
 
 int
+evutil_make_listen_socket_reuseable_port(evutil_socket_t sock)
+{
+#if defined __linux__ && defined(SO_REUSEPORT)
+	int one = 1;
+	/* REUSEPORT on Linux 3.9+ means, "Multiple servers (processes or
+	 * threads) can bind to the same port if they each set the option. */
+	return setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, (void*) &one,
+	    (ev_socklen_t)sizeof(one));
+#else
+	return 0;
+#endif
+}
+
+int
+evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock)
+{
+#if defined(EVENT__HAVE_NETINET_TCP_H) && defined(TCP_DEFER_ACCEPT)
+	int one = 1;
+
+	/* TCP_DEFER_ACCEPT tells the kernel to call defer accept() only after data
+	 * has arrived and ready to read */ 
+	return setsockopt(sock, IPPROTO_TCP, TCP_DEFER_ACCEPT, &one,
+		(ev_socklen_t)sizeof(one)); 
+#endif
+	return 0;
+}
+
+int
 evutil_make_socket_closeonexec(evutil_socket_t fd)
 {
-#if !defined(WIN32) && defined(_EVENT_HAVE_SETFD)
+#if !defined(_WIN32) && defined(EVENT__HAVE_SETFD)
 	int flags;
 	if ((flags = fcntl(fd, F_GETFD, NULL)) < 0) {
 		event_warn("fcntl(%d, F_GETFD)", fd);
 		return -1;
 	}
-	if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1) {
+	if (!(flags & FD_CLOEXEC)) {
+		if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1) {
+			event_warn("fcntl(%d, F_SETFD)", fd);
+			return -1;
+		}
+	}
+#endif
+	return 0;
+}
+
+/* Faster version of evutil_make_socket_closeonexec for internal use.
+ *
+ * Requires that no F_SETFD flags were previously set on the fd.
+ */
+static int
+evutil_fast_socket_closeonexec(evutil_socket_t fd)
+{
+#if !defined(_WIN32) && defined(EVENT__HAVE_SETFD)
+	if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
 		event_warn("fcntl(%d, F_SETFD)", fd);
 		return -1;
 	}
@@ -353,7 +437,7 @@
 int
 evutil_closesocket(evutil_socket_t sock)
 {
-#ifndef WIN32
+#ifndef _WIN32
 	return close(sock);
 #else
 	return closesocket(sock);
@@ -363,11 +447,11 @@
 ev_int64_t
 evutil_strtoll(const char *s, char **endptr, int base)
 {
-#ifdef _EVENT_HAVE_STRTOLL
+#ifdef EVENT__HAVE_STRTOLL
 	return (ev_int64_t)strtoll(s, endptr, base);
-#elif _EVENT_SIZEOF_LONG == 8
+#elif EVENT__SIZEOF_LONG == 8
 	return (ev_int64_t)strtol(s, endptr, base);
-#elif defined(WIN32) && defined(_MSC_VER) && _MSC_VER < 1300
+#elif defined(_WIN32) && defined(_MSC_VER) && _MSC_VER < 1300
 	/* XXXX on old versions of MS APIs, we only support base
 	 * 10. */
 	ev_int64_t r;
@@ -383,9 +467,9 @@
 	if (endptr)
 		*endptr = (char*) s;
 	return r;
-#elif defined(WIN32)
+#elif defined(_WIN32)
 	return (ev_int64_t) _strtoi64(s, endptr, base);
-#elif defined(_EVENT_SIZEOF_LONG_LONG) && _EVENT_SIZEOF_LONG_LONG == 8
+#elif defined(EVENT__SIZEOF_LONG_LONG) && EVENT__SIZEOF_LONG_LONG == 8
 	long long r;
 	int n;
 	if (base != 10 && base != 16)
@@ -401,15 +485,15 @@
 	}
 	if (n != 1)
 		return 0;
-	while (EVUTIL_ISSPACE(*s))
+	while (EVUTIL_ISSPACE_(*s))
 		++s;
 	if (*s == '-')
 		++s;
 	if (base == 10) {
-		while (EVUTIL_ISDIGIT(*s))
+		while (EVUTIL_ISDIGIT_(*s))
 			++s;
 	} else {
-		while (EVUTIL_ISXDIGIT(*s))
+		while (EVUTIL_ISXDIGIT_(*s))
 			++s;
 	}
 	if (endptr)
@@ -420,32 +504,7 @@
 #endif
 }
 
-#ifndef _EVENT_HAVE_GETTIMEOFDAY
-/* No gettimeofday; this muse be windows. */
-int
-evutil_gettimeofday(struct timeval *tv, struct timezone *tz)
-{
-	struct _timeb tb;
-
-	if (tv == NULL)
-		return -1;
-
-	/* XXXX
-	 * _ftime is not the greatest interface here; GetSystemTimeAsFileTime
-	 * would give us better resolution, whereas something cobbled together
-	 * with GetTickCount could maybe give us monotonic behavior.
-	 *
-	 * Either way, I think this value might be skewed to ignore the
-	 * timezone, and just return local time.  That's not so good.
-	 */
-	_ftime(&tb);
-	tv->tv_sec = (long) tb.time;
-	tv->tv_usec = ((int) tb.millitm) * 1000;
-	return 0;
-}
-#endif
-
-#ifdef WIN32
+#ifdef _WIN32
 int
 evutil_socket_geterror(evutil_socket_t sock)
 {
@@ -465,7 +524,7 @@
 /* XXX we should use an enum here. */
 /* 2 for connection refused, 1 for connected, 0 for not yet, -1 for error. */
 int
-evutil_socket_connect(evutil_socket_t *fd_ptr, struct sockaddr *sa, int socklen)
+evutil_socket_connect_(evutil_socket_t *fd_ptr, const struct sockaddr *sa, int socklen)
 {
 	int made_fd = 0;
 
@@ -502,7 +561,7 @@
    error case, set the current socket errno to the error that happened during
    the connect operation. */
 int
-evutil_socket_finished_connecting(evutil_socket_t fd)
+evutil_socket_finished_connecting_(evutil_socket_t fd)
 {
 	int e;
 	ev_socklen_t elen = sizeof(e);
@@ -545,28 +604,150 @@
  */
 #define EVUTIL_V4ADDR_IS_CLASSD(addr) ((((addr)>>24) & 0xf0) == 0xe0)
 
+static void
+evutil_found_ifaddr(const struct sockaddr *sa)
+{
+	const char ZEROES[] = "\x00\x00\x00\x00\x00\x00\x00\x00"
+	    "\x00\x00\x00\x00\x00\x00\x00\x00";
+
+	if (sa->sa_family == AF_INET) {
+		const struct sockaddr_in *sin = (struct sockaddr_in *)sa;
+		ev_uint32_t addr = ntohl(sin->sin_addr.s_addr);
+		if (addr == 0 ||
+		    EVUTIL_V4ADDR_IS_LOCALHOST(addr) ||
+		    EVUTIL_V4ADDR_IS_CLASSD(addr)) {
+			/* Not actually a usable external address. */
+		} else {
+			event_debug(("Detected an IPv4 interface"));
+			had_ipv4_address = 1;
+		}
+	} else if (sa->sa_family == AF_INET6) {
+		const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+		const unsigned char *addr =
+		    (unsigned char*)sin6->sin6_addr.s6_addr;
+		if (!memcmp(addr, ZEROES, 8) ||
+		    ((addr[0] & 0xfe) == 0xfc) ||
+		    (addr[0] == 0xfe && (addr[1] & 0xc0) == 0x80) ||
+		    (addr[0] == 0xfe && (addr[1] & 0xc0) == 0xc0) ||
+		    (addr[0] == 0xff)) {
+			/* This is a reserved, ipv4compat, ipv4map, loopback,
+			 * link-local, multicast, or unspecified address. */
+		} else {
+			event_debug(("Detected an IPv6 interface"));
+			had_ipv6_address = 1;
+		}
+	}
+}
+
+#ifdef _WIN32
+typedef ULONG (WINAPI *GetAdaptersAddresses_fn_t)(
+              ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
+#endif
+
+static int
+evutil_check_ifaddrs(void)
+{
+#if defined(EVENT__HAVE_GETIFADDRS)
+	/* Most free Unixy systems provide getifaddrs, which gives us a linked list
+	 * of struct ifaddrs. */
+	struct ifaddrs *ifa = NULL;
+	const struct ifaddrs *i;
+	if (getifaddrs(&ifa) < 0) {
+		event_warn("Unable to call getifaddrs()");
+		return -1;
+	}
+
+	for (i = ifa; i; i = i->ifa_next) {
+		if (!i->ifa_addr)
+			continue;
+		evutil_found_ifaddr(i->ifa_addr);
+	}
+
+	freeifaddrs(ifa);
+	return 0;
+#elif defined(_WIN32)
+	/* Windows XP began to provide GetAdaptersAddresses. Windows 2000 had a
+	   "GetAdaptersInfo", but that's deprecated; let's just try
+	   GetAdaptersAddresses and fall back to connect+getsockname.
+	*/
+	HMODULE lib = evutil_load_windows_system_library_(TEXT("ihplapi.dll"));
+	GetAdaptersAddresses_fn_t fn;
+	ULONG size, res;
+	IP_ADAPTER_ADDRESSES *addresses = NULL, *address;
+	int result = -1;
+
+#define FLAGS (GAA_FLAG_SKIP_ANYCAST | \
+               GAA_FLAG_SKIP_MULTICAST | \
+               GAA_FLAG_SKIP_DNS_SERVER)
+
+	if (!lib)
+		goto done;
+
+	if (!(fn = (GetAdaptersAddresses_fn_t) GetProcAddress(lib, "GetAdaptersAddresses")))
+		goto done;
+
+	/* Guess how much space we need. */
+	size = 15*1024;
+	addresses = mm_malloc(size);
+	if (!addresses)
+		goto done;
+	res = fn(AF_UNSPEC, FLAGS, NULL, addresses, &size);
+	if (res == ERROR_BUFFER_OVERFLOW) {
+		/* we didn't guess that we needed enough space; try again */
+		mm_free(addresses);
+		addresses = mm_malloc(size);
+		if (!addresses)
+			goto done;
+		res = fn(AF_UNSPEC, FLAGS, NULL, addresses, &size);
+	}
+	if (res != NO_ERROR)
+		goto done;
+
+	for (address = addresses; address; address = address->Next) {
+		IP_ADAPTER_UNICAST_ADDRESS *a;
+		for (a = address->FirstUnicastAddress; a; a = a->Next) {
+			/* Yes, it's a linked list inside a linked list */
+			struct sockaddr *sa = a->Address.lpSockaddr;
+			evutil_found_ifaddr(sa);
+		}
+	}
+
+	result = 0;
+done:
+	if (lib)
+		FreeLibrary(lib);
+	if (addresses)
+		mm_free(addresses);
+	return result;
+#else
+	return -1;
+#endif
+}
+
 /* Test whether we have an ipv4 interface and an ipv6 interface.  Return 0 if
  * the test seemed successful. */
 static int
 evutil_check_interfaces(int force_recheck)
 {
-	const char ZEROES[] = "\x00\x00\x00\x00\x00\x00\x00\x00"
-	    "\x00\x00\x00\x00\x00\x00\x00\x00";
 	evutil_socket_t fd = -1;
 	struct sockaddr_in sin, sin_out;
 	struct sockaddr_in6 sin6, sin6_out;
 	ev_socklen_t sin_out_len = sizeof(sin_out);
 	ev_socklen_t sin6_out_len = sizeof(sin6_out);
 	int r;
-	char buf[128];
 	if (have_checked_interfaces && !force_recheck)
 		return 0;
 
-	/* To check whether we have an interface open for a given protocol, we
-	 * try to make a UDP 'connection' to a remote host on the internet.
-	 * We don't actually use it, so the address doesn't matter, but we
-	 * want to pick one that keep us from using a host- or link-local
-	 * interface. */
+	if (evutil_check_ifaddrs() == 0) {
+		/* Use a nice sane interface, if this system has one. */
+		return 0;
+	}
+
+	/* Ugh. There was no nice sane interface.  So to check whether we have
+	 * an interface open for a given protocol, will try to make a UDP
+	 * 'connection' to a remote host on the internet.  We don't actually
+	 * use it, so the address doesn't matter, but we want to pick one that
+	 * keep us from using a host- or link-local interface. */
 	memset(&sin, 0, sizeof(sin));
 	sin.sin_family = AF_INET;
 	sin.sin_port = htons(53);
@@ -587,21 +768,7 @@
 	    connect(fd, (struct sockaddr*)&sin, sizeof(sin)) == 0 &&
 	    getsockname(fd, (struct sockaddr*)&sin_out, &sin_out_len) == 0) {
 		/* We might have an IPv4 interface. */
-		ev_uint32_t addr = ntohl(sin_out.sin_addr.s_addr);
-		if (addr == 0 ||
-		    EVUTIL_V4ADDR_IS_LOCALHOST(addr) ||
-		    EVUTIL_V4ADDR_IS_CLASSD(addr)) {
-			evutil_inet_ntop(AF_INET, &sin_out.sin_addr,
-			    buf, sizeof(buf));
-			/* This is a reserved, ipv4compat, ipv4map, loopback,
-			 * link-local or unspecified address.  The host should
-			 * never have given it to us; it could never connect
-			 * to sin. */
-			event_warnx("Got a strange local ipv4 address %s",buf);
-		} else {
-			event_debug(("Detected an IPv4 interface"));
-			had_ipv4_address = 1;
-		}
+		evutil_found_ifaddr((struct sockaddr*) &sin_out);
 	}
 	if (fd >= 0)
 		evutil_closesocket(fd);
@@ -610,21 +777,7 @@
 	    connect(fd, (struct sockaddr*)&sin6, sizeof(sin6)) == 0 &&
 	    getsockname(fd, (struct sockaddr*)&sin6_out, &sin6_out_len) == 0) {
 		/* We might have an IPv6 interface. */
-		const unsigned char *addr =
-		    (unsigned char*)sin6_out.sin6_addr.s6_addr;
-		if (!memcmp(addr, ZEROES, 8) ||
-		    (addr[0] == 0xfe && (addr[1] & 0xc0) == 0x80)) {
-			/* This is a reserved, ipv4compat, ipv4map, loopback,
-			 * link-local or unspecified address.  The host should
-			 * never have given it to us; it could never connect
-			 * to sin6. */
-			evutil_inet_ntop(AF_INET6, &sin6_out.sin6_addr,
-			    buf, sizeof(buf));
-			event_warnx("Got a strange local ipv6 address %s",buf);
-		} else {
-			event_debug(("Detected an IPv4 interface"));
-			had_ipv6_address = 1;
-		}
+		evutil_found_ifaddr((struct sockaddr*) &sin6_out);
 	}
 
 	if (fd >= 0)
@@ -645,7 +798,7 @@
  * allocate both a TCP and a UDP addrinfo.
  */
 struct evutil_addrinfo *
-evutil_new_addrinfo(struct sockaddr *sa, ev_socklen_t socklen,
+evutil_new_addrinfo_(struct sockaddr *sa, ev_socklen_t socklen,
     const struct evutil_addrinfo *hints)
 {
 	struct evutil_addrinfo *res;
@@ -657,11 +810,11 @@
 		struct evutil_addrinfo tmp;
 		memcpy(&tmp, hints, sizeof(tmp));
 		tmp.ai_socktype = SOCK_STREAM; tmp.ai_protocol = IPPROTO_TCP;
-		r1 = evutil_new_addrinfo(sa, socklen, &tmp);
+		r1 = evutil_new_addrinfo_(sa, socklen, &tmp);
 		if (!r1)
 			return NULL;
 		tmp.ai_socktype = SOCK_DGRAM; tmp.ai_protocol = IPPROTO_UDP;
-		r2 = evutil_new_addrinfo(sa, socklen, &tmp);
+		r2 = evutil_new_addrinfo_(sa, socklen, &tmp);
 		if (!r2) {
 			evutil_freeaddrinfo(r1);
 			return NULL;
@@ -690,7 +843,7 @@
  * the list.  Either element can be NULL, in which case we return the element
  * that is not NULL. */
 struct evutil_addrinfo *
-evutil_addrinfo_append(struct evutil_addrinfo *first,
+evutil_addrinfo_append_(struct evutil_addrinfo *first,
     struct evutil_addrinfo *append)
 {
 	struct evutil_addrinfo *ai = first;
@@ -725,7 +878,7 @@
 	int n = parse_numeric_servname(servname);
 	if (n>=0)
 		return n;
-#if defined(_EVENT_HAVE_GETSERVBYNAME) || defined(WIN32)
+#if defined(EVENT__HAVE_GETSERVBYNAME) || defined(_WIN32)
 	if (!(hints->ai_flags & EVUTIL_AI_NUMERICSERV)) {
 		struct servent *ent = getservbyname(servname, protocol);
 		if (ent) {
@@ -753,7 +906,7 @@
 		return "sctp";
 #endif
 	default:
-#ifdef _EVENT_HAVE_GETPROTOBYNUMBER
+#ifdef EVENT__HAVE_GETPROTOBYNUMBER
 		{
 			struct protoent *ent = getprotobynumber(proto);
 			if (ent)
@@ -806,7 +959,7 @@
  * set *res as getaddrinfo would.
  */
 int
-evutil_getaddrinfo_common(const char *nodename, const char *servname,
+evutil_getaddrinfo_common_(const char *nodename, const char *servname,
     struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum)
 {
 	int port = 0;
@@ -848,7 +1001,7 @@
 				/* connect to ::1 */
 				sin6.sin6_addr.s6_addr[15] = 1;
 			}
-			res6 = evutil_new_addrinfo((struct sockaddr*)&sin6,
+			res6 = evutil_new_addrinfo_((struct sockaddr*)&sin6,
 			    sizeof(sin6), hints);
 			if (!res6)
 				return EVUTIL_EAI_MEMORY;
@@ -865,7 +1018,7 @@
 				/* connect to 127.0.0.1 */
 				sin.sin_addr.s_addr = htonl(0x7f000001);
 			}
-			res4 = evutil_new_addrinfo((struct sockaddr*)&sin,
+			res4 = evutil_new_addrinfo_((struct sockaddr*)&sin,
 			    sizeof(sin), hints);
 			if (!res4) {
 				if (res6)
@@ -873,7 +1026,7 @@
 				return EVUTIL_EAI_MEMORY;
 			}
 		}
-		*res = evutil_addrinfo_append(res4, res6);
+		*res = evutil_addrinfo_append_(res4, res6);
 		return 0;
 	}
 
@@ -887,7 +1040,7 @@
 			/* Got an ipv6 address. */
 			sin6.sin6_family = AF_INET6;
 			sin6.sin6_port = htons(port);
-			*res = evutil_new_addrinfo((struct sockaddr*)&sin6,
+			*res = evutil_new_addrinfo_((struct sockaddr*)&sin6,
 			    sizeof(sin6), hints);
 			if (!*res)
 				return EVUTIL_EAI_MEMORY;
@@ -903,7 +1056,7 @@
 			/* Got an ipv6 address. */
 			sin.sin_family = AF_INET;
 			sin.sin_port = htons(port);
-			*res = evutil_new_addrinfo((struct sockaddr*)&sin,
+			*res = evutil_new_addrinfo_((struct sockaddr*)&sin,
 			    sizeof(sin), hints);
 			if (!*res)
 				return EVUTIL_EAI_MEMORY;
@@ -922,7 +1075,7 @@
 	return EVUTIL_EAI_NEED_RESOLVE;
 }
 
-#ifdef _EVENT_HAVE_GETADDRINFO
+#ifdef EVENT__HAVE_GETADDRINFO
 #define USE_NATIVE_GETADDRINFO
 #endif
 
@@ -1010,7 +1163,7 @@
 		sin6.sin6_family = AF_INET6;
 		sin6.sin6_port = htons(port);
 		sa = (struct sockaddr *)&sin6;
-		socklen = sizeof(struct sockaddr_in);
+		socklen = sizeof(struct sockaddr_in6);
 		addrp = &sin6.sin6_addr;
 		if (ent->h_length != sizeof(sin6.sin6_addr)) {
 			event_warnx("Weird h_length from gethostbyname");
@@ -1021,12 +1174,12 @@
 
 	for (i = 0; ent->h_addr_list[i]; ++i) {
 		memcpy(addrp, ent->h_addr_list[i], ent->h_length);
-		ai = evutil_new_addrinfo(sa, socklen, hints);
+		ai = evutil_new_addrinfo_(sa, socklen, hints);
 		if (!ai) {
 			evutil_freeaddrinfo(res);
 			return NULL;
 		}
-		res = evutil_addrinfo_append(res, ai);
+		res = evutil_addrinfo_append_(res, ai);
 	}
 
 	if (res && ((hints->ai_flags & EVUTIL_AI_CANONNAME) && ent->h_name)) {
@@ -1046,7 +1199,7 @@
  * that we'll only get addresses we could maybe connect to.
  */
 void
-evutil_adjust_hints_for_addrconfig(struct evutil_addrinfo *hints)
+evutil_adjust_hints_for_addrconfig_(struct evutil_addrinfo *hints)
 {
 	if (!(hints->ai_flags & EVUTIL_AI_ADDRCONFIG))
 		return;
@@ -1072,7 +1225,7 @@
    turns out that the bug is present, then:
 
     - If nodename==NULL and servname is numeric, we build an answer
-      ourselves using evutil_getaddrinfo_common().
+      ourselves using evutil_getaddrinfo_common_().
 
     - If nodename!=NULL and servname is numeric, then we set
       servname=NULL when calling getaddrinfo, and post-process the
@@ -1085,11 +1238,20 @@
      field set to 0.  We test for this so we can apply an appropriate
      workaround.
 */
+static struct evutil_addrinfo *ai_find_protocol(struct evutil_addrinfo *ai)
+{
+	while (ai) {
+		if (ai->ai_protocol)
+			return ai;
+		ai = ai->ai_next;
+	}
+	return NULL;
+}
 static void
 test_for_getaddrinfo_hacks(void)
 {
 	int r, r2;
-	struct evutil_addrinfo *ai=NULL, *ai2=NULL;
+	struct evutil_addrinfo *ai=NULL, *ai2=NULL, *ai3=NULL;
 	struct evutil_addrinfo hints;
 
 	memset(&hints,0,sizeof(hints));
@@ -1103,12 +1265,13 @@
 #endif
 	    0;
 	r = getaddrinfo("1.2.3.4", "80", &hints, &ai);
+	getaddrinfo("1.2.3.4", NULL, &hints, &ai3);
 	hints.ai_socktype = SOCK_STREAM;
 	r2 = getaddrinfo("1.2.3.4", "80", &hints, &ai2);
 	if (r2 == 0 && r != 0) {
 		need_numeric_port_hack_=1;
 	}
-	if (ai2 && ai2->ai_protocol == 0) {
+	if (!ai_find_protocol(ai2) || !ai_find_protocol(ai3)) {
 		need_socktype_protocol_hack_=1;
 	}
 
@@ -1116,6 +1279,8 @@
 		freeaddrinfo(ai);
 	if (ai2)
 		freeaddrinfo(ai2);
+	if (ai3)
+		freeaddrinfo(ai3);
 	tested_for_getaddrinfo_hacks=1;
 }
 
@@ -1202,7 +1367,7 @@
 	/* Not every system has AI_ADDRCONFIG, so fake it. */
 	if (hints.ai_family == PF_UNSPEC &&
 	    (hints.ai_flags & EVUTIL_AI_ADDRCONFIG)) {
-		evutil_adjust_hints_for_addrconfig(&hints);
+		evutil_adjust_hints_for_addrconfig_(&hints);
 	}
 #endif
 
@@ -1225,10 +1390,10 @@
 	 *   ever resolving even a literal IPv6 address when
 	 *   ai_addrtype is PF_UNSPEC.
 	 */
-#ifdef WIN32
+#ifdef _WIN32
 	{
 		int tmp_port;
-		err = evutil_getaddrinfo_common(nodename,servname,&hints,
+		err = evutil_getaddrinfo_common_(nodename,servname,&hints,
 		    res, &tmp_port);
 		if (err == 0 ||
 		    err == EVUTIL_EAI_MEMORY ||
@@ -1244,7 +1409,7 @@
 	    && ((portnum=parse_numeric_servname(servname)) >= 0);
 	if (need_np_hack) {
 		if (!nodename)
-			return evutil_getaddrinfo_common(
+			return evutil_getaddrinfo_common_(
 				NULL,servname,&hints, res, &portnum);
 		servname = NULL;
 	}
@@ -1289,9 +1454,9 @@
 		hints.ai_family = PF_UNSPEC;
 	}
 
-	evutil_adjust_hints_for_addrconfig(&hints);
+	evutil_adjust_hints_for_addrconfig_(&hints);
 
-	err = evutil_getaddrinfo_common(nodename, servname, &hints, res, &port);
+	err = evutil_getaddrinfo_common_(nodename, servname, &hints, res, &port);
 	if (err != EVUTIL_EAI_NEED_RESOLVE) {
 		/* We either succeeded or failed.  No need to continue */
 		return err;
@@ -1300,19 +1465,19 @@
 	err = 0;
 	/* Use any of the various gethostbyname_r variants as available. */
 	{
-#ifdef _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG
+#ifdef EVENT__HAVE_GETHOSTBYNAME_R_6_ARG
 		/* This one is what glibc provides. */
 		char buf[2048];
 		struct hostent hostent;
 		int r;
 		r = gethostbyname_r(nodename, &hostent, buf, sizeof(buf), &ent,
 		    &err);
-#elif defined(_EVENT_HAVE_GETHOSTBYNAME_R_5_ARG)
+#elif defined(EVENT__HAVE_GETHOSTBYNAME_R_5_ARG)
 		char buf[2048];
 		struct hostent hostent;
 		ent = gethostbyname_r(nodename, &hostent, buf, sizeof(buf),
 		    &err);
-#elif defined(_EVENT_HAVE_GETHOSTBYNAME_R_3_ARG)
+#elif defined(EVENT__HAVE_GETHOSTBYNAME_R_3_ARG)
 		struct hostent_data data;
 		struct hostent hostent;
 		memset(&data, 0, sizeof(data));
@@ -1322,7 +1487,7 @@
 		/* fall back to gethostbyname. */
 		/* XXXX This needs a lock everywhere but Windows. */
 		ent = gethostbyname(nodename);
-#ifdef WIN32
+#ifdef _WIN32
 		err = WSAGetLastError();
 #else
 		err = h_errno;
@@ -1377,7 +1542,7 @@
 void
 evutil_freeaddrinfo(struct evutil_addrinfo *ai)
 {
-#ifdef _EVENT_HAVE_GETADDRINFO
+#ifdef EVENT__HAVE_GETADDRINFO
 	if (!(ai->ai_flags & EVUTIL_AI_LIBEVENT_ALLOCATED)) {
 		freeaddrinfo(ai);
 		return;
@@ -1393,34 +1558,48 @@
 }
 
 static evdns_getaddrinfo_fn evdns_getaddrinfo_impl = NULL;
+static evdns_getaddrinfo_cancel_fn evdns_getaddrinfo_cancel_impl = NULL;
 
 void
-evutil_set_evdns_getaddrinfo_fn(evdns_getaddrinfo_fn fn)
+evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo_fn fn)
 {
 	if (!evdns_getaddrinfo_impl)
 		evdns_getaddrinfo_impl = fn;
 }
+void
+evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel_fn fn)
+{
+	if (!evdns_getaddrinfo_cancel_impl)
+		evdns_getaddrinfo_cancel_impl = fn;
+}
 
 /* Internal helper function: act like evdns_getaddrinfo if dns_base is set;
  * otherwise do a blocking resolve and pass the result to the callback in the
  * way that evdns_getaddrinfo would.
  */
-int
-evutil_getaddrinfo_async(struct evdns_base *dns_base,
+struct evdns_getaddrinfo_request *evutil_getaddrinfo_async_(
+    struct evdns_base *dns_base,
     const char *nodename, const char *servname,
     const struct evutil_addrinfo *hints_in,
     void (*cb)(int, struct evutil_addrinfo *, void *), void *arg)
 {
 	if (dns_base && evdns_getaddrinfo_impl) {
-		evdns_getaddrinfo_impl(
+		return evdns_getaddrinfo_impl(
 			dns_base, nodename, servname, hints_in, cb, arg);
 	} else {
 		struct evutil_addrinfo *ai=NULL;
 		int err;
 		err = evutil_getaddrinfo(nodename, servname, hints_in, &ai);
 		cb(err, ai, arg);
+		return NULL;
 	}
-	return 0;
+}
+
+void evutil_getaddrinfo_cancel_async_(struct evdns_getaddrinfo_request *data)
+{
+	if (evdns_getaddrinfo_cancel_impl && data) {
+		evdns_getaddrinfo_cancel_impl(data);
+	}
 }
 
 const char *
@@ -1458,7 +1637,7 @@
 	case EVUTIL_EAI_SYSTEM:
 		return "system error";
 	default:
-#if defined(USE_NATIVE_GETADDRINFO) && defined(WIN32)
+#if defined(USE_NATIVE_GETADDRINFO) && defined(_WIN32)
 		return gai_strerrorA(err);
 #elif defined(USE_NATIVE_GETADDRINFO)
 		return gai_strerror(err);
@@ -1468,81 +1647,178 @@
 	}
 }
 
-#ifdef WIN32
-#define E(code, s) { code, (s " [" #code " ]") }
-static struct { int code; const char *msg; } windows_socket_errors[] = {
-  E(WSAEINTR, "Interrupted function call"),
-  E(WSAEACCES, "Permission denied"),
-  E(WSAEFAULT, "Bad address"),
-  E(WSAEINVAL, "Invalid argument"),
-  E(WSAEMFILE, "Too many open files"),
-  E(WSAEWOULDBLOCK,  "Resource temporarily unavailable"),
-  E(WSAEINPROGRESS, "Operation now in progress"),
-  E(WSAEALREADY, "Operation already in progress"),
-  E(WSAENOTSOCK, "Socket operation on nonsocket"),
-  E(WSAEDESTADDRREQ, "Destination address required"),
-  E(WSAEMSGSIZE, "Message too long"),
-  E(WSAEPROTOTYPE, "Protocol wrong for socket"),
-  E(WSAENOPROTOOPT, "Bad protocol option"),
-  E(WSAEPROTONOSUPPORT, "Protocol not supported"),
-  E(WSAESOCKTNOSUPPORT, "Socket type not supported"),
-  /* What's the difference between NOTSUPP and NOSUPPORT? :) */
-  E(WSAEOPNOTSUPP, "Operation not supported"),
-  E(WSAEPFNOSUPPORT,  "Protocol family not supported"),
-  E(WSAEAFNOSUPPORT, "Address family not supported by protocol family"),
-  E(WSAEADDRINUSE, "Address already in use"),
-  E(WSAEADDRNOTAVAIL, "Cannot assign requested address"),
-  E(WSAENETDOWN, "Network is down"),
-  E(WSAENETUNREACH, "Network is unreachable"),
-  E(WSAENETRESET, "Network dropped connection on reset"),
-  E(WSAECONNABORTED, "Software caused connection abort"),
-  E(WSAECONNRESET, "Connection reset by peer"),
-  E(WSAENOBUFS, "No buffer space available"),
-  E(WSAEISCONN, "Socket is already connected"),
-  E(WSAENOTCONN, "Socket is not connected"),
-  E(WSAESHUTDOWN, "Cannot send after socket shutdown"),
-  E(WSAETIMEDOUT, "Connection timed out"),
-  E(WSAECONNREFUSED, "Connection refused"),
-  E(WSAEHOSTDOWN, "Host is down"),
-  E(WSAEHOSTUNREACH, "No route to host"),
-  E(WSAEPROCLIM, "Too many processes"),
+#ifdef _WIN32
+/* destructively remove a trailing line terminator from s */
+static void
+chomp (char *s)
+{
+	size_t len;
+	if (s && (len = strlen (s)) > 0 && s[len - 1] == '\n') {
+		s[--len] = 0;
+		if (len > 0 && s[len - 1] == '\r')
+			s[--len] = 0;
+	}
+}
 
-  /* Yes, some of these start with WSA, not WSAE. No, I don't know why. */
-  E(WSASYSNOTREADY, "Network subsystem is unavailable"),
-  E(WSAVERNOTSUPPORTED, "Winsock.dll out of range"),
-  E(WSANOTINITIALISED, "Successful WSAStartup not yet performed"),
-  E(WSAEDISCON, "Graceful shutdown now in progress"),
-#ifdef WSATYPE_NOT_FOUND
-  E(WSATYPE_NOT_FOUND, "Class type not found"),
-#endif
-  E(WSAHOST_NOT_FOUND, "Host not found"),
-  E(WSATRY_AGAIN, "Nonauthoritative host not found"),
-  E(WSANO_RECOVERY, "This is a nonrecoverable error"),
-  E(WSANO_DATA, "Valid name, no data record of requested type)"),
+/* FormatMessage returns allocated strings, but evutil_socket_error_to_string
+ * is supposed to return a string which is good indefinitely without having
+ * to be freed.  To make this work without leaking memory, we cache the
+ * string the first time FormatMessage is called on a particular error
+ * code, and then return the cached string on subsequent calls with the
+ * same code.  The strings aren't freed until libevent_global_shutdown
+ * (or never).  We use a linked list to cache the errors, because we
+ * only expect there to be a few dozen, and that should be fast enough.
+ */
 
-  /* There are some more error codes whose numeric values are marked
-   * <b>OS dependent</b>. They start with WSA_, apparently for the same
-   * reason that practitioners of some craft traditions deliberately
-   * introduce imperfections into their baskets and rugs "to allow the
-   * evil spirits to escape."  If we catch them, then our binaries
-   * might not report consistent results across versions of Windows.
-   * Thus, I'm going to let them all fall through.
-   */
-  { -1, NULL },
+struct cached_sock_errs_entry {
+	HT_ENTRY(cached_sock_errs_entry) node;
+	DWORD code;
+	char *msg; /* allocated with LocalAlloc; free with LocalFree */
 };
-#undef E
+
+static inline unsigned
+hash_cached_sock_errs(const struct cached_sock_errs_entry *e)
+{
+	/* Use Murmur3's 32-bit finalizer as an integer hash function */
+	DWORD h = e->code;
+	h ^= h >> 16;
+	h *= 0x85ebca6b;
+	h ^= h >> 13;
+	h *= 0xc2b2ae35;
+	h ^= h >> 16;
+	return h;
+}
+
+static inline int
+eq_cached_sock_errs(const struct cached_sock_errs_entry *a,
+		    const struct cached_sock_errs_entry *b)
+{
+	return a->code == b->code;
+}
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+static void *windows_socket_errors_lock_ = NULL;
+#endif
+
+static HT_HEAD(cached_sock_errs_map, cached_sock_errs_entry)
+     windows_socket_errors = HT_INITIALIZER();
+
+HT_PROTOTYPE(cached_sock_errs_map,
+	     cached_sock_errs_entry,
+	     node,
+	     hash_cached_sock_errs,
+	     eq_cached_sock_errs);
+
+HT_GENERATE(cached_sock_errs_map,
+	    cached_sock_errs_entry,
+	    node,
+	    hash_cached_sock_errs,
+	    eq_cached_sock_errs,
+	    0.5,
+	    mm_malloc,
+	    mm_realloc,
+	    mm_free);
+
 /** Equivalent to strerror, but for windows socket errors. */
 const char *
 evutil_socket_error_to_string(int errcode)
 {
-  /* XXXX Is there really no built-in function to do this? */
-  int i;
-  for (i=0; windows_socket_errors[i].code >= 0; ++i) {
-    if (errcode == windows_socket_errors[i].code)
-      return windows_socket_errors[i].msg;
-  }
-  return strerror(errcode);
+	struct cached_sock_errs_entry *errs, *newerr, find;
+	char *msg = NULL;
+
+	EVLOCK_LOCK(windows_socket_errors_lock_, 0);
+
+	find.code = errcode;
+	errs = HT_FIND(cached_sock_errs_map, &windows_socket_errors, &find);
+	if (errs) {
+		msg = errs->msg;
+		goto done;
+	}
+
+	if (0 != FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
+			       FORMAT_MESSAGE_IGNORE_INSERTS |
+			       FORMAT_MESSAGE_ALLOCATE_BUFFER,
+			       NULL, errcode, 0, (char *)&msg, 0, NULL))
+		chomp (msg);	/* because message has trailing newline */
+	else {
+		size_t len = 50;
+		/* use LocalAlloc because FormatMessage does */
+		msg = LocalAlloc(LMEM_FIXED, len);
+		if (!msg) {
+			msg = (char *)"LocalAlloc failed during Winsock error";
+			goto done;
+		}
+		evutil_snprintf(msg, len, "winsock error 0x%08x", errcode);
+	}
+
+	newerr = (struct cached_sock_errs_entry *)
+		mm_malloc(sizeof (struct cached_sock_errs_entry));
+
+	if (!newerr) {
+		LocalFree(msg);
+		msg = (char *)"malloc failed during Winsock error";
+		goto done;
+	}
+
+	newerr->code = errcode;
+	newerr->msg = msg;
+	HT_INSERT(cached_sock_errs_map, &windows_socket_errors, newerr);
+
+ done:
+	EVLOCK_UNLOCK(windows_socket_errors_lock_, 0);
+
+	return msg;
 }
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+int
+evutil_global_setup_locks_(const int enable_locks)
+{
+	EVTHREAD_SETUP_GLOBAL_LOCK(windows_socket_errors_lock_, 0);
+	return 0;
+}
+#endif
+
+static void
+evutil_free_sock_err_globals(void)
+{
+	struct cached_sock_errs_entry **errs, *tofree;
+
+	for (errs = HT_START(cached_sock_errs_map, &windows_socket_errors)
+		     ; errs; ) {
+		tofree = *errs;
+		errs = HT_NEXT_RMV(cached_sock_errs_map,
+				   &windows_socket_errors,
+				   errs);
+		LocalFree(tofree->msg);
+		mm_free(tofree);
+	}
+
+	HT_CLEAR(cached_sock_errs_map, &windows_socket_errors);
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (windows_socket_errors_lock_ != NULL) {
+		EVTHREAD_FREE_LOCK(windows_socket_errors_lock_, 0);
+		windows_socket_errors_lock_ = NULL;
+	}
+#endif
+}
+
+#else
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+int
+evutil_global_setup_locks_(const int enable_locks)
+{
+	return 0;
+}
+#endif
+
+static void
+evutil_free_sock_err_globals(void)
+{
+}
+
 #endif
 
 int
@@ -1562,7 +1838,7 @@
 	int r;
 	if (!buflen)
 		return 0;
-#if defined(_MSC_VER) || defined(WIN32)
+#if defined(_MSC_VER) || defined(_WIN32)
 	r = _vsnprintf(buf, buflen, format, ap);
 	if (r < 0)
 		r = _vscprintf(format, ap);
@@ -1586,7 +1862,7 @@
 const char *
 evutil_inet_ntop(int af, const void *src, char *dst, size_t len)
 {
-#if defined(_EVENT_HAVE_INET_NTOP) && !defined(USE_INTERNAL_NTOP)
+#if defined(EVENT__HAVE_INET_NTOP) && !defined(USE_INTERNAL_NTOP)
 	return inet_ntop(af, src, dst, len);
 #else
 	if (af == AF_INET) {
@@ -1682,19 +1958,19 @@
 int
 evutil_inet_pton(int af, const char *src, void *dst)
 {
-#if defined(_EVENT_HAVE_INET_PTON) && !defined(USE_INTERNAL_PTON)
+#if defined(EVENT__HAVE_INET_PTON) && !defined(USE_INTERNAL_PTON)
 	return inet_pton(af, src, dst);
 #else
 	if (af == AF_INET) {
-		int a,b,c,d;
+		unsigned a,b,c,d;
 		char more;
 		struct in_addr *addr = dst;
-		if (sscanf(src, "%d.%d.%d.%d%c", &a,&b,&c,&d,&more) != 4)
+		if (sscanf(src, "%u.%u.%u.%u%c", &a,&b,&c,&d,&more) != 4)
 			return 0;
-		if (a < 0 || a > 255) return 0;
-		if (b < 0 || b > 255) return 0;
-		if (c < 0 || c > 255) return 0;
-		if (d < 0 || d > 255) return 0;
+		if (a > 255) return 0;
+		if (b > 255) return 0;
+		if (c > 255) return 0;
+		if (d > 255) return 0;
 		addr->s_addr = htonl((a<<24) | (b<<16) | (c<<8) | d);
 		return 1;
 #ifdef AF_INET6
@@ -1709,22 +1985,22 @@
 		else if (!dot)
 			eow = src+strlen(src);
 		else {
-			int byte1,byte2,byte3,byte4;
+			unsigned byte1,byte2,byte3,byte4;
 			char more;
-			for (eow = dot-1; eow >= src && EVUTIL_ISDIGIT(*eow); --eow)
+			for (eow = dot-1; eow >= src && EVUTIL_ISDIGIT_(*eow); --eow)
 				;
 			++eow;
 
 			/* We use "scanf" because some platform inet_aton()s are too lax
 			 * about IPv4 addresses of the form "1.2.3" */
-			if (sscanf(eow, "%d.%d.%d.%d%c",
+			if (sscanf(eow, "%u.%u.%u.%u%c",
 					   &byte1,&byte2,&byte3,&byte4,&more) != 4)
 				return 0;
 
-			if (byte1 > 255 || byte1 < 0 ||
-				byte2 > 255 || byte2 < 0 ||
-				byte3 > 255 || byte3 < 0 ||
-				byte4 > 255 || byte4 < 0)
+			if (byte1 > 255 ||
+			    byte2 > 255 ||
+			    byte3 > 255 ||
+			    byte4 > 255)
 				return 0;
 
 			words[6] = (byte1<<8) | byte2;
@@ -1736,7 +2012,7 @@
 		while (src < eow) {
 			if (i > 7)
 				return 0;
-			if (EVUTIL_ISXDIGIT(*src)) {
+			if (EVUTIL_ISXDIGIT_(*src)) {
 				char *next;
 				long r = strtol(src, &next, 16);
 				if (next > 4+src)
@@ -1808,12 +2084,12 @@
 
 	cp = strchr(ip_as_string, ':');
 	if (*ip_as_string == '[') {
-		int len;
+		size_t len;
 		if (!(cp = strchr(ip_as_string, ']'))) {
 			return -1;
 		}
-		len = (int) ( cp-(ip_as_string + 1) );
-		if (len > (int)sizeof(buf)-1) {
+		len = ( cp-(ip_as_string + 1) );
+		if (len > sizeof(buf)-1) {
 			return -1;
 		}
 		memcpy(buf, ip_as_string+1, len);
@@ -1859,7 +2135,7 @@
 	{
 		struct sockaddr_in6 sin6;
 		memset(&sin6, 0, sizeof(sin6));
-#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
+#ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
 		sin6.sin6_len = sizeof(sin6);
 #endif
 		sin6.sin6_family = AF_INET6;
@@ -1878,7 +2154,7 @@
 	{
 		struct sockaddr_in sin;
 		memset(&sin, 0, sizeof(sin));
-#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+#ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
 		sin.sin_len = sizeof(sin);
 #endif
 		sin.sin_family = AF_INET;
@@ -1895,7 +2171,7 @@
 }
 
 const char *
-evutil_format_sockaddr_port(const struct sockaddr *sa, char *out, size_t outlen)
+evutil_format_sockaddr_port_(const struct sockaddr *sa, char *out, size_t outlen)
 {
 	char b[128];
 	const char *res=NULL;
@@ -2019,7 +2295,7 @@
 };
 
 #define IMPL_CTYPE_FN(name)						\
-	int EVUTIL_##name(char c) {					\
+	int EVUTIL_##name##_(char c) {					\
 		ev_uint8_t u = c;					\
 		return !!(EVUTIL_##name##_TABLE[(u >> 5) & 7] & (1 << (u & 31))); \
 	}
@@ -2032,11 +2308,11 @@
 IMPL_CTYPE_FN(ISLOWER)
 IMPL_CTYPE_FN(ISUPPER)
 
-char EVUTIL_TOLOWER(char c)
+char EVUTIL_TOLOWER_(char c)
 {
 	return ((char)EVUTIL_TOLOWER_TABLE[(ev_uint8_t)c]);
 }
-char EVUTIL_TOUPPER(char c)
+char EVUTIL_TOUPPER_(char c)
 {
 	return ((char)EVUTIL_TOUPPER_TABLE[(ev_uint8_t)c]);
 }
@@ -2045,8 +2321,8 @@
 {
 	char c1, c2;
 	while (1) {
-		c1 = EVUTIL_TOLOWER(*s1++);
-		c2 = EVUTIL_TOLOWER(*s2++);
+		c1 = EVUTIL_TOLOWER_(*s1++);
+		c2 = EVUTIL_TOLOWER_(*s2++);
 		if (c1 < c2)
 			return -1;
 		else if (c1 > c2)
@@ -2059,8 +2335,8 @@
 {
 	char c1, c2;
 	while (n--) {
-		c1 = EVUTIL_TOLOWER(*s1++);
-		c2 = EVUTIL_TOLOWER(*s2++);
+		c1 = EVUTIL_TOLOWER_(*s1++);
+		c2 = EVUTIL_TOLOWER_(*s2++);
 		if (c1 < c2)
 			return -1;
 		else if (c1 > c2)
@@ -2071,18 +2347,39 @@
 	return 0;
 }
 
+void
+evutil_rtrim_lws_(char *str)
+{
+	char *cp;
+
+	if (str == NULL)
+		return;
+
+	if ((cp = strchr(str, '\0')) == NULL || (cp == str))
+		return;
+
+	--cp;
+
+	while (*cp == ' ' || *cp == '\t') {
+		*cp = '\0';
+		if (cp == str)
+			break;
+		--cp;
+	}
+}
+
 static int
 evutil_issetugid(void)
 {
-#ifdef _EVENT_HAVE_ISSETUGID
+#ifdef EVENT__HAVE_ISSETUGID
 	return issetugid();
 #else
 
-#ifdef _EVENT_HAVE_GETEUID
+#ifdef EVENT__HAVE_GETEUID
 	if (getuid() != geteuid())
 		return 1;
 #endif
-#ifdef _EVENT_HAVE_GETEGID
+#ifdef EVENT__HAVE_GETEGID
 	if (getgid() != getegid())
 		return 1;
 #endif
@@ -2091,7 +2388,7 @@
 }
 
 const char *
-evutil_getenv(const char *varname)
+evutil_getenv_(const char *varname)
 {
 	if (evutil_issetugid())
 		return NULL;
@@ -2099,14 +2396,52 @@
 	return getenv(varname);
 }
 
-long
-_evutil_weakrand(void)
+ev_uint32_t
+evutil_weakrand_seed_(struct evutil_weakrand_state *state, ev_uint32_t seed)
 {
-#ifdef WIN32
-	return rand();
+	if (seed == 0) {
+		struct timeval tv;
+		evutil_gettimeofday(&tv, NULL);
+		seed = (ev_uint32_t)tv.tv_sec + (ev_uint32_t)tv.tv_usec;
+#ifdef _WIN32
+		seed += (ev_uint32_t) _getpid();
 #else
-	return random();
+		seed += (ev_uint32_t) getpid();
 #endif
+	}
+	state->seed = seed;
+	return seed;
+}
+
+ev_int32_t
+evutil_weakrand_(struct evutil_weakrand_state *state)
+{
+	/* This RNG implementation is a linear congruential generator, with
+	 * modulus 2^31, multiplier 1103515245, and addend 12345.  It's also
+	 * used by OpenBSD, and by Glibc's TYPE_0 RNG.
+	 *
+	 * The linear congruential generator is not an industrial-strength
+	 * RNG!  It's fast, but it can have higher-order patterns.  Notably,
+	 * the low bits tend to have periodicity.
+	 */
+	state->seed = ((state->seed) * 1103515245 + 12345) & 0x7fffffff;
+	return (ev_int32_t)(state->seed);
+}
+
+ev_int32_t
+evutil_weakrand_range_(struct evutil_weakrand_state *state, ev_int32_t top)
+{
+	ev_int32_t divisor, result;
+
+	/* We can't just do weakrand() % top, since the low bits of the LCG
+	 * are less random than the high ones.  (Specifically, since the LCG
+	 * modulus is 2^N, every 2^m for m<N will divide the modulus, and so
+	 * therefore the low m bits of the LCG will have period 2^m.) */
+	divisor = EVUTIL_WEAKRAND_MAX / top;
+	do {
+		result = evutil_weakrand_(state) / divisor;
+	} while (result >= top);
+	return result;
 }
 
 /**
@@ -2122,7 +2457,7 @@
 }
 
 int
-evutil_sockaddr_is_loopback(const struct sockaddr *addr)
+evutil_sockaddr_is_loopback_(const struct sockaddr *addr)
 {
 	static const char LOOPBACK_S6[16] =
 	    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1";
@@ -2136,20 +2471,8 @@
 	return 0;
 }
 
-#define MAX_SECONDS_IN_MSEC_LONG \
-	(((LONG_MAX) - 999) / 1000)
-
-long
-evutil_tv_to_msec(const struct timeval *tv)
-{
-	if (tv->tv_usec > 1000000 || tv->tv_sec > MAX_SECONDS_IN_MSEC_LONG)
-		return -1;
-
-	return (tv->tv_sec * 1000) + ((tv->tv_usec + 999) / 1000);
-}
-
 int
-evutil_hex_char_to_int(char c)
+evutil_hex_char_to_int_(char c)
 {
 	switch(c)
 	{
@@ -2173,9 +2496,9 @@
 	return -1;
 }
 
-#ifdef WIN32
-HANDLE
-evutil_load_windows_system_library(const TCHAR *library_name)
+#ifdef _WIN32
+HMODULE
+evutil_load_windows_system_library_(const TCHAR *library_name)
 {
   TCHAR path[MAX_PATH];
   unsigned n;
@@ -2188,3 +2511,183 @@
 }
 #endif
 
+/* Internal wrapper around 'socket' to provide Linux-style support for
+ * syscall-saving methods where available.
+ *
+ * In addition to regular socket behavior, you can use a bitwise or to set the
+ * flags EVUTIL_SOCK_NONBLOCK and EVUTIL_SOCK_CLOEXEC in the 'type' argument,
+ * to make the socket nonblocking or close-on-exec with as few syscalls as
+ * possible.
+ */
+evutil_socket_t
+evutil_socket_(int domain, int type, int protocol)
+{
+	evutil_socket_t r;
+#if defined(SOCK_NONBLOCK) && defined(SOCK_CLOEXEC)
+	r = socket(domain, type, protocol);
+	if (r >= 0)
+		return r;
+	else if ((type & (SOCK_NONBLOCK|SOCK_CLOEXEC)) == 0)
+		return -1;
+#endif
+#define SOCKET_TYPE_MASK (~(EVUTIL_SOCK_NONBLOCK|EVUTIL_SOCK_CLOEXEC))
+	r = socket(domain, type & SOCKET_TYPE_MASK, protocol);
+	if (r < 0)
+		return -1;
+	if (type & EVUTIL_SOCK_NONBLOCK) {
+		if (evutil_fast_socket_nonblocking(r) < 0) {
+			evutil_closesocket(r);
+			return -1;
+		}
+	}
+	if (type & EVUTIL_SOCK_CLOEXEC) {
+		if (evutil_fast_socket_closeonexec(r) < 0) {
+			evutil_closesocket(r);
+			return -1;
+		}
+	}
+	return r;
+}
+
+/* Internal wrapper around 'accept' or 'accept4' to provide Linux-style
+ * support for syscall-saving methods where available.
+ *
+ * In addition to regular accept behavior, you can set one or more of flags
+ * EVUTIL_SOCK_NONBLOCK and EVUTIL_SOCK_CLOEXEC in the 'flags' argument, to
+ * make the socket nonblocking or close-on-exec with as few syscalls as
+ * possible.
+ */
+evutil_socket_t
+evutil_accept4_(evutil_socket_t sockfd, struct sockaddr *addr,
+    ev_socklen_t *addrlen, int flags)
+{
+	evutil_socket_t result;
+#if defined(EVENT__HAVE_ACCEPT4) && defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK)
+	result = accept4(sockfd, addr, addrlen, flags);
+	if (result >= 0 || (errno != EINVAL && errno != ENOSYS)) {
+		/* A nonnegative result means that we succeeded, so return.
+		 * Failing with EINVAL means that an option wasn't supported,
+		 * and failing with ENOSYS means that the syscall wasn't
+		 * there: in those cases we want to fall back.  Otherwise, we
+		 * got a real error, and we should return. */
+		return result;
+	}
+#endif
+	result = accept(sockfd, addr, addrlen);
+	if (result < 0)
+		return result;
+
+	if (flags & EVUTIL_SOCK_CLOEXEC) {
+		if (evutil_fast_socket_closeonexec(result) < 0) {
+			evutil_closesocket(result);
+			return -1;
+		}
+	}
+	if (flags & EVUTIL_SOCK_NONBLOCK) {
+		if (evutil_fast_socket_nonblocking(result) < 0) {
+			evutil_closesocket(result);
+			return -1;
+		}
+	}
+	return result;
+}
+
+/* Internal function: Set fd[0] and fd[1] to a pair of fds such that writes on
+ * fd[0] get read from fd[1].  Make both fds nonblocking and close-on-exec.
+ * Return 0 on success, -1 on failure.
+ */
+int
+evutil_make_internal_pipe_(evutil_socket_t fd[2])
+{
+	/*
+	  Making the second socket nonblocking is a bit subtle, given that we
+	  ignore any EAGAIN returns when writing to it, and you don't usally
+	  do that for a nonblocking socket. But if the kernel gives us EAGAIN,
+	  then there's no need to add any more data to the buffer, since
+	  the main thread is already either about to wake up and drain it,
+	  or woken up and in the process of draining it.
+	*/
+
+#if defined(EVENT__HAVE_PIPE2)
+	if (pipe2(fd, O_NONBLOCK|O_CLOEXEC) == 0)
+		return 0;
+#endif
+#if defined(EVENT__HAVE_PIPE)
+	if (pipe(fd) == 0) {
+		if (evutil_fast_socket_nonblocking(fd[0]) < 0 ||
+		    evutil_fast_socket_nonblocking(fd[1]) < 0 ||
+		    evutil_fast_socket_closeonexec(fd[0]) < 0 ||
+		    evutil_fast_socket_closeonexec(fd[1]) < 0) {
+			close(fd[0]);
+			close(fd[1]);
+			fd[0] = fd[1] = -1;
+			return -1;
+		}
+		return 0;
+	} else {
+		event_warn("%s: pipe", __func__);
+	}
+#endif
+
+#ifdef _WIN32
+#define LOCAL_SOCKETPAIR_AF AF_INET
+#else
+#define LOCAL_SOCKETPAIR_AF AF_UNIX
+#endif
+	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, fd) == 0) {
+		if (evutil_fast_socket_nonblocking(fd[0]) < 0 ||
+		    evutil_fast_socket_nonblocking(fd[1]) < 0 ||
+		    evutil_fast_socket_closeonexec(fd[0]) < 0 ||
+		    evutil_fast_socket_closeonexec(fd[1]) < 0) {
+			evutil_closesocket(fd[0]);
+			evutil_closesocket(fd[1]);
+			fd[0] = fd[1] = -1;
+			return -1;
+		}
+		return 0;
+	}
+	fd[0] = fd[1] = -1;
+	return -1;
+}
+
+/* Wrapper around eventfd on systems that provide it.  Unlike the system
+ * eventfd, it always supports EVUTIL_EFD_CLOEXEC and EVUTIL_EFD_NONBLOCK as
+ * flags.  Returns -1 on error or if eventfd is not supported.
+ */
+evutil_socket_t
+evutil_eventfd_(unsigned initval, int flags)
+{
+#if defined(EVENT__HAVE_EVENTFD) && defined(EVENT__HAVE_SYS_EVENTFD_H)
+	int r;
+#if defined(EFD_CLOEXEC) && defined(EFD_NONBLOCK)
+	r = eventfd(initval, flags);
+	if (r >= 0 || flags == 0)
+		return r;
+#endif
+	r = eventfd(initval, 0);
+	if (r < 0)
+		return r;
+	if (flags & EVUTIL_EFD_CLOEXEC) {
+		if (evutil_fast_socket_closeonexec(r) < 0) {
+			evutil_closesocket(r);
+			return -1;
+		}
+	}
+	if (flags & EVUTIL_EFD_NONBLOCK) {
+		if (evutil_fast_socket_nonblocking(r) < 0) {
+			evutil_closesocket(r);
+			return -1;
+		}
+	}
+	return r;
+#else
+	return -1;
+#endif
+}
+
+void
+evutil_free_globals_(void)
+{
+	evutil_free_secure_rng_globals_();
+	evutil_free_sock_err_globals();
+}
diff --git a/evutil_rand.c b/evutil_rand.c
index 2003d1b..76d0f4a 100644
--- a/evutil_rand.c
+++ b/evutil_rand.c
@@ -33,13 +33,14 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
 #include <limits.h>
 
 #include "util-internal.h"
 #include "evthread-internal.h"
 
-#ifdef _EVENT_HAVE_ARC4RANDOM
+#ifdef EVENT__HAVE_ARC4RANDOM
 #include <stdlib.h>
 #include <string.h>
 int
@@ -55,21 +56,28 @@
 	(void) arc4random();
 	return 0;
 }
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 int
 evutil_secure_rng_global_setup_locks_(const int enable_locks)
 {
 	return 0;
 }
+#endif
+static void
+evutil_free_secure_rng_globals_locks(void)
+{
+}
 
 static void
 ev_arc4random_buf(void *buf, size_t n)
 {
-#if defined(_EVENT_HAVE_ARC4RANDOM_BUF) && !defined(__APPLE__)
-	return arc4random_buf(buf, n);
+#if defined(EVENT__HAVE_ARC4RANDOM_BUF) && !defined(__APPLE__)
+	arc4random_buf(buf, n);
+	return;
 #else
 	unsigned char *b = buf;
 
-#if defined(_EVENT_HAVE_ARC4RANDOM_BUF)
+#if defined(EVENT__HAVE_ARC4RANDOM_BUF)
 	/* OSX 10.7 introducd arc4random_buf, so if you build your program
 	 * there, you'll get surprised when older versions of OSX fail to run.
 	 * To solve this, we can check whether the function pointer is set,
@@ -80,7 +88,8 @@
 		void (*tptr)(void *,size_t) =
 		    (void (*)(void*,size_t))arc4random_buf;
 		if (tptr != NULL) {
-			return arc4random_buf(buf, n);
+			arc4random_buf(buf, n);
+			return;
 		}
 	}
 #endif
@@ -105,15 +114,15 @@
 #endif
 }
 
-#else /* !_EVENT_HAVE_ARC4RANDOM { */
+#else /* !EVENT__HAVE_ARC4RANDOM { */
 
-#ifdef _EVENT_ssize_t
-#define ssize_t _EVENT_SSIZE_t
+#ifdef EVENT__ssize_t
+#define ssize_t EVENT__ssize_t
 #endif
 #define ARC4RANDOM_EXPORT static
-#define _ARC4_LOCK() EVLOCK_LOCK(arc4rand_lock, 0)
-#define _ARC4_UNLOCK() EVLOCK_UNLOCK(arc4rand_lock, 0)
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#define ARC4_LOCK_() EVLOCK_LOCK(arc4rand_lock, 0)
+#define ARC4_UNLOCK_() EVLOCK_UNLOCK(arc4rand_lock, 0)
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 static void *arc4rand_lock;
 #endif
 
@@ -124,7 +133,7 @@
 
 #include "./arc4random.c"
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 int
 evutil_secure_rng_global_setup_locks_(const int enable_locks)
 {
@@ -133,13 +142,25 @@
 }
 #endif
 
+static void
+evutil_free_secure_rng_globals_locks(void)
+{
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (arc4rand_lock != NULL) {
+		EVTHREAD_FREE_LOCK(arc4rand_lock, 0);
+		arc4rand_lock = NULL;
+	}
+#endif
+	return;
+}
+
 int
 evutil_secure_rng_set_urandom_device_file(char *fname)
 {
 #ifdef TRY_SEED_URANDOM
-	_ARC4_LOCK();
+	ARC4_LOCK_();
 	arc4random_urandom_filename = fname;
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 #endif
 	return 0;
 }
@@ -149,11 +170,11 @@
 {
 	int val;
 
-	_ARC4_LOCK();
+	ARC4_LOCK_();
 	if (!arc4_seeded_ok)
 		arc4_stir();
 	val = arc4_seeded_ok ? 0 : -1;
-	_ARC4_UNLOCK();
+	ARC4_UNLOCK_();
 	return val;
 }
 
@@ -163,7 +184,7 @@
 	arc4random_buf(buf, n);
 }
 
-#endif /* } !_EVENT_HAVE_ARC4RANDOM */
+#endif /* } !EVENT__HAVE_ARC4RANDOM */
 
 void
 evutil_secure_rng_get_bytes(void *buf, size_t n)
@@ -180,3 +201,8 @@
 #endif
 }
 
+void
+evutil_free_secure_rng_globals_(void)
+{
+    evutil_free_secure_rng_globals_locks();
+}
diff --git a/evutil_time.c b/evutil_time.c
new file mode 100644
index 0000000..00fd5fb
--- /dev/null
+++ b/evutil_time.c
@@ -0,0 +1,576 @@
+/*
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#undef WIN32_LEAN_AND_MEAN
+#endif
+
+#include <sys/types.h>
+#ifdef EVENT__HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <errno.h>
+#include <limits.h>
+#ifndef EVENT__HAVE_GETTIMEOFDAY
+#include <sys/timeb.h>
+#endif
+#if !defined(EVENT__HAVE_NANOSLEEP) && !defined(EVENT_HAVE_USLEEP) && \
+	!defined(_WIN32)
+#include <sys/select.h>
+#endif
+#include <time.h>
+#include <sys/stat.h>
+#include <string.h>
+
+/** evutil_usleep_() */
+#if defined(_WIN32)
+#elif defined(EVENT__HAVE_NANOSLEEP)
+#elif defined(EVENT__HAVE_USLEEP)
+#include <unistd.h>
+#endif
+
+#include "event2/util.h"
+#include "util-internal.h"
+#include "log-internal.h"
+#include "mm-internal.h"
+
+#ifndef EVENT__HAVE_GETTIMEOFDAY
+/* No gettimeofday; this must be windows. */
+int
+evutil_gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+#ifdef _MSC_VER
+#define U64_LITERAL(n) n##ui64
+#else
+#define U64_LITERAL(n) n##llu
+#endif
+
+	/* Conversion logic taken from Tor, which in turn took it
+	 * from Perl.  GetSystemTimeAsFileTime returns its value as
+	 * an unaligned (!) 64-bit value containing the number of
+	 * 100-nanosecond intervals since 1 January 1601 UTC. */
+#define EPOCH_BIAS U64_LITERAL(116444736000000000)
+#define UNITS_PER_SEC U64_LITERAL(10000000)
+#define USEC_PER_SEC U64_LITERAL(1000000)
+#define UNITS_PER_USEC U64_LITERAL(10)
+	union {
+		FILETIME ft_ft;
+		ev_uint64_t ft_64;
+	} ft;
+
+	if (tv == NULL)
+		return -1;
+
+	GetSystemTimeAsFileTime(&ft.ft_ft);
+
+	if (EVUTIL_UNLIKELY(ft.ft_64 < EPOCH_BIAS)) {
+		/* Time before the unix epoch. */
+		return -1;
+	}
+	ft.ft_64 -= EPOCH_BIAS;
+	tv->tv_sec = (long) (ft.ft_64 / UNITS_PER_SEC);
+	tv->tv_usec = (long) ((ft.ft_64 / UNITS_PER_USEC) % USEC_PER_SEC);
+	return 0;
+}
+#endif
+
+#define MAX_SECONDS_IN_MSEC_LONG \
+	(((LONG_MAX) - 999) / 1000)
+
+long
+evutil_tv_to_msec_(const struct timeval *tv)
+{
+	if (tv->tv_usec > 1000000 || tv->tv_sec > MAX_SECONDS_IN_MSEC_LONG)
+		return -1;
+
+	return (tv->tv_sec * 1000) + ((tv->tv_usec + 999) / 1000);
+}
+
+/*
+  Replacement for usleep on platforms that don't have one.  Not guaranteed to
+  be any more finegrained than 1 msec.
+ */
+void
+evutil_usleep_(const struct timeval *tv)
+{
+	if (!tv)
+		return;
+#if defined(_WIN32)
+	{
+		long msec = evutil_tv_to_msec_(tv);
+		Sleep((DWORD)msec);
+	}
+#elif defined(EVENT__HAVE_NANOSLEEP)
+	{
+		struct timespec ts;
+		ts.tv_sec = tv->tv_sec;
+		ts.tv_nsec = tv->tv_usec*1000;
+		nanosleep(&ts, NULL);
+	}
+#elif defined(EVENT__HAVE_USLEEP)
+	/* Some systems don't like to usleep more than 999999 usec */
+	sleep(tv->tv_sec);
+	usleep(tv->tv_usec);
+#else
+	select(0, NULL, NULL, NULL, tv);
+#endif
+}
+
+int
+evutil_date_rfc1123(char *date, const size_t datelen, const struct tm *tm)
+{
+	static const char *DAYS[] =
+		{ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
+	static const char *MONTHS[] =
+		{ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+	time_t t = time(NULL);
+
+#ifndef _WIN32
+	struct tm sys;
+#endif
+
+	/* If `tm` is null, set system's current time. */
+	if (tm == NULL) {
+#ifdef _WIN32
+		/** TODO: detect _gmtime64()/_gmtime64_s() */
+		tm = gmtime(&t);
+#else
+		gmtime_r(&t, &sys);
+		tm = &sys;
+#endif
+	}
+
+	return evutil_snprintf(
+		date, datelen, "%s, %02d %s %4d %02d:%02d:%02d GMT",
+		DAYS[tm->tm_wday], tm->tm_mday, MONTHS[tm->tm_mon],
+		1900 + tm->tm_year, tm->tm_hour, tm->tm_min, tm->tm_sec);
+}
+
+/*
+   This function assumes it's called repeatedly with a
+   not-actually-so-monotonic time source whose outputs are in 'tv'. It
+   implements a trivial ratcheting mechanism so that the values never go
+   backwards.
+ */
+static void
+adjust_monotonic_time(struct evutil_monotonic_timer *base,
+    struct timeval *tv)
+{
+	evutil_timeradd(tv, &base->adjust_monotonic_clock, tv);
+
+	if (evutil_timercmp(tv, &base->last_time, <)) {
+		/* Guess it wasn't monotonic after all. */
+		struct timeval adjust;
+		evutil_timersub(&base->last_time, tv, &adjust);
+		evutil_timeradd(&adjust, &base->adjust_monotonic_clock,
+		    &base->adjust_monotonic_clock);
+		*tv = base->last_time;
+	}
+	base->last_time = *tv;
+}
+
+/*
+   Allocate a new struct evutil_monotonic_timer
+ */
+struct evutil_monotonic_timer *
+evutil_monotonic_timer_new(void)
+{
+  struct evutil_monotonic_timer *p = NULL;
+
+  p = mm_malloc(sizeof(*p));
+  if (!p) goto done;
+
+  memset(p, 0, sizeof(*p));
+
+ done:
+  return p;
+}
+
+/*
+   Free a struct evutil_monotonic_timer
+ */
+void
+evutil_monotonic_timer_free(struct evutil_monotonic_timer *timer)
+{
+  if (timer) {
+    mm_free(timer);
+  }
+}
+
+/*
+   Set up a struct evutil_monotonic_timer for initial use
+ */
+int
+evutil_configure_monotonic_time(struct evutil_monotonic_timer *timer,
+                                int flags)
+{
+  return evutil_configure_monotonic_time_(timer, flags);
+}
+
+/*
+   Query the current monotonic time
+ */
+int
+evutil_gettime_monotonic(struct evutil_monotonic_timer *timer,
+                         struct timeval *tp)
+{
+  return evutil_gettime_monotonic_(timer, tp);
+}
+
+
+#if defined(HAVE_POSIX_MONOTONIC)
+/* =====
+   The POSIX clock_gettime() interface provides a few ways to get at a
+   monotonic clock.  CLOCK_MONOTONIC is most widely supported.  Linux also
+   provides a CLOCK_MONOTONIC_COARSE with accuracy of about 1-4 msec.
+
+   On all platforms I'm aware of, CLOCK_MONOTONIC really is monotonic.
+   Platforms don't agree about whether it should jump on a sleep/resume.
+ */
+
+int
+evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base,
+    int flags)
+{
+	/* CLOCK_MONOTONIC exists on FreeBSD, Linux, and Solaris.  You need to
+	 * check for it at runtime, because some older kernel versions won't
+	 * have it working. */
+#ifdef CLOCK_MONOTONIC_COARSE
+	const int precise = flags & EV_MONOT_PRECISE;
+#endif
+	const int fallback = flags & EV_MONOT_FALLBACK;
+	struct timespec	ts;
+
+#ifdef CLOCK_MONOTONIC_COARSE
+	if (CLOCK_MONOTONIC_COARSE < 0) {
+		/* Technically speaking, nothing keeps CLOCK_* from being
+		 * negative (as far as I know). This check and the one below
+		 * make sure that it's safe for us to use -1 as an "unset"
+		 * value. */
+		event_errx(1,"I didn't expect CLOCK_MONOTONIC_COARSE to be < 0");
+	}
+	if (! precise && ! fallback) {
+		if (clock_gettime(CLOCK_MONOTONIC_COARSE, &ts) == 0) {
+			base->monotonic_clock = CLOCK_MONOTONIC_COARSE;
+			return 0;
+		}
+	}
+#endif
+	if (!fallback && clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
+		base->monotonic_clock = CLOCK_MONOTONIC;
+		return 0;
+	}
+
+	if (CLOCK_MONOTONIC < 0) {
+		event_errx(1,"I didn't expect CLOCK_MONOTONIC to be < 0");
+	}
+
+	base->monotonic_clock = -1;
+	return 0;
+}
+
+int
+evutil_gettime_monotonic_(struct evutil_monotonic_timer *base,
+    struct timeval *tp)
+{
+	struct timespec ts;
+
+	if (base->monotonic_clock < 0) {
+		if (evutil_gettimeofday(tp, NULL) < 0)
+			return -1;
+		adjust_monotonic_time(base, tp);
+		return 0;
+	}
+
+	if (clock_gettime(base->monotonic_clock, &ts) == -1)
+		return -1;
+	tp->tv_sec = ts.tv_sec;
+	tp->tv_usec = ts.tv_nsec / 1000;
+
+	return 0;
+}
+#endif
+
+#if defined(HAVE_MACH_MONOTONIC)
+/* ======
+   Apple is a little late to the POSIX party.  And why not?  Instead of
+   clock_gettime(), they provide mach_absolute_time().  Its units are not
+   fixed; we need to use mach_timebase_info() to get the right functions to
+   convert its units into nanoseconds.
+
+   To all appearances, mach_absolute_time() seems to be honest-to-goodness
+   monotonic.  Whether it stops during sleep or not is unspecified in
+   principle, and dependent on CPU architecture in practice.
+ */
+
+int
+evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base,
+    int flags)
+{
+	const int fallback = flags & EV_MONOT_FALLBACK;
+	struct mach_timebase_info mi;
+	memset(base, 0, sizeof(*base));
+	/* OSX has mach_absolute_time() */
+	if (!fallback &&
+	    mach_timebase_info(&mi) == 0 &&
+	    mach_absolute_time() != 0) {
+		/* mach_timebase_info tells us how to convert
+		 * mach_absolute_time() into nanoseconds, but we
+		 * want to use microseconds instead. */
+		mi.denom *= 1000;
+		memcpy(&base->mach_timebase_units, &mi, sizeof(mi));
+	} else {
+		base->mach_timebase_units.numer = 0;
+	}
+	return 0;
+}
+
+int
+evutil_gettime_monotonic_(struct evutil_monotonic_timer *base,
+    struct timeval *tp)
+{
+	ev_uint64_t abstime, usec;
+	if (base->mach_timebase_units.numer == 0) {
+		if (evutil_gettimeofday(tp, NULL) < 0)
+			return -1;
+		adjust_monotonic_time(base, tp);
+		return 0;
+	}
+
+	abstime = mach_absolute_time();
+	usec = (abstime * base->mach_timebase_units.numer)
+	    / (base->mach_timebase_units.denom);
+	tp->tv_sec = usec / 1000000;
+	tp->tv_usec = usec % 1000000;
+
+	return 0;
+}
+#endif
+
+#if defined(HAVE_WIN32_MONOTONIC)
+/* =====
+   Turn we now to Windows.  Want monontonic time on Windows?
+
+   Windows has QueryPerformanceCounter(), which gives time most high-
+   resolution time.  It's a pity it's not so monotonic in practice; it's
+   also got some fun bugs, especially: with older Windowses, under
+   virtualizations, with funny hardware, on multiprocessor systems, and so
+   on.  PEP418 [1] has a nice roundup of the issues here.
+
+   There's GetTickCount64() on Vista and later, which gives a number of 1-msec
+   ticks since startup.  The accuracy here might be as bad as 10-20 msec, I
+   hear.  There's an undocumented function (NtSetTimerResolution) that
+   allegedly increases the accuracy. Good luck!
+
+   There's also GetTickCount(), which is only 32 bits, but seems to be
+   supported on pre-Vista versions of Windows.  Apparently, you can coax
+   another 14 bits out of it, giving you 2231 years before rollover.
+
+   The less said about timeGetTime() the better.
+
+   "We don't care.  We don't have to.  We're the Phone Company."
+            -- Lily Tomlin, SNL
+
+   Our strategy, if precise timers are turned off, is to just use the best
+   GetTickCount equivalent available.  If we've been asked for precise timing,
+   then we mostly[2] assume that GetTickCount is monotonic, and correct
+   GetPerformanceCounter to approximate it.
+
+   [1] http://www.python.org/dev/peps/pep-0418
+   [2] Of course, we feed the Windows stuff into adjust_monotonic_time()
+       anyway, just in case it isn't.
+
+ */
+/*
+    Parts of our logic in the win32 timer code here are closely based on
+    BitTorrent's libUTP library.  That code is subject to the following
+    license:
+
+      Copyright (c) 2010 BitTorrent, Inc.
+
+      Permission is hereby granted, free of charge, to any person obtaining a
+      copy of this software and associated documentation files (the
+      "Software"), to deal in the Software without restriction, including
+      without limitation the rights to use, copy, modify, merge, publish,
+      distribute, sublicense, and/or sell copies of the Software, and to
+      permit persons to whom the Software is furnished to do so, subject to
+      the following conditions:
+
+      The above copyright notice and this permission notice shall be included
+      in all copies or substantial portions of the Software.
+
+      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+      OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+      NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+      LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+      OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+      WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+static ev_uint64_t
+evutil_GetTickCount_(struct evutil_monotonic_timer *base)
+{
+	if (base->GetTickCount64_fn) {
+		/* Let's just use GetTickCount64 if we can. */
+		return base->GetTickCount64_fn();
+	} else if (base->GetTickCount_fn) {
+		/* Greg Hazel assures me that this works, that BitTorrent has
+		 * done it for years, and this it won't turn around and
+		 * bite us.  He says they found it on some game programmers'
+		 * forum some time around 2007.
+		 */
+		ev_uint64_t v = base->GetTickCount_fn();
+		return (DWORD)v | ((v >> 18) & 0xFFFFFFFF00000000);
+	} else {
+		/* Here's the fallback implementation. We have to use
+		 * GetTickCount() with its given signature, so we only get
+		 * 32 bits worth of milliseconds, which will roll ove every
+		 * 49 days or so.  */
+		DWORD ticks = GetTickCount();
+		if (ticks < base->last_tick_count) {
+			base->adjust_tick_count += ((ev_uint64_t)1) << 32;
+		}
+		base->last_tick_count = ticks;
+		return ticks + base->adjust_tick_count;
+	}
+}
+
+int
+evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base,
+    int flags)
+{
+	const int precise = flags & EV_MONOT_PRECISE;
+	const int fallback = flags & EV_MONOT_FALLBACK;
+	HANDLE h;
+	memset(base, 0, sizeof(*base));
+
+	h = evutil_load_windows_system_library_(TEXT("kernel32.dll"));
+	if (h != NULL && !fallback) {
+		base->GetTickCount64_fn = (ev_GetTickCount_func)GetProcAddress(h, "GetTickCount64");
+		base->GetTickCount_fn = (ev_GetTickCount_func)GetProcAddress(h, "GetTickCount");
+	}
+
+	base->first_tick = base->last_tick_count = evutil_GetTickCount_(base);
+	if (precise && !fallback) {
+		LARGE_INTEGER freq;
+		if (QueryPerformanceFrequency(&freq)) {
+			LARGE_INTEGER counter;
+			QueryPerformanceCounter(&counter);
+			base->first_counter = counter.QuadPart;
+			base->usec_per_count = 1.0e6 / freq.QuadPart;
+			base->use_performance_counter = 1;
+		}
+	}
+
+	return 0;
+}
+
+static inline ev_int64_t
+abs64(ev_int64_t i)
+{
+	return i < 0 ? -i : i;
+}
+
+
+int
+evutil_gettime_monotonic_(struct evutil_monotonic_timer *base,
+    struct timeval *tp)
+{
+	ev_uint64_t ticks = evutil_GetTickCount_(base);
+	if (base->use_performance_counter) {
+		/* Here's a trick we took from BitTorrent's libutp, at Greg
+		 * Hazel's recommendation.  We use QueryPerformanceCounter for
+		 * our high-resolution timer, but use GetTickCount*() to keep
+		 * it sane, and adjust_monotonic_time() to keep it monotonic.
+		 */
+		LARGE_INTEGER counter;
+		ev_int64_t counter_elapsed, counter_usec_elapsed, ticks_elapsed;
+		QueryPerformanceCounter(&counter);
+		counter_elapsed = (ev_int64_t)
+		    (counter.QuadPart - base->first_counter);
+		ticks_elapsed = ticks - base->first_tick;
+		/* TODO: This may upset VC6. If you need this to work with
+		 * VC6, please supply an appropriate patch. */
+		counter_usec_elapsed = (ev_int64_t)
+		    (counter_elapsed * base->usec_per_count);
+
+		if (abs64(ticks_elapsed*1000 - counter_usec_elapsed) > 1000000) {
+			/* It appears that the QueryPerformanceCounter()
+			 * result is more than 1 second away from
+			 * GetTickCount() result. Let's adjust it to be as
+			 * accurate as we can; adjust_monotnonic_time() below
+			 * will keep it monotonic. */
+			counter_usec_elapsed = ticks_elapsed * 1000;
+			base->first_counter = (ev_uint64_t) (counter.QuadPart - counter_usec_elapsed / base->usec_per_count);
+		}
+		tp->tv_sec = (time_t) (counter_usec_elapsed / 1000000);
+		tp->tv_usec = counter_usec_elapsed % 1000000;
+
+	} else {
+		/* We're just using GetTickCount(). */
+		tp->tv_sec = (time_t) (ticks / 1000);
+		tp->tv_usec = (ticks % 1000) * 1000;
+	}
+	adjust_monotonic_time(base, tp);
+
+	return 0;
+}
+#endif
+
+#if defined(HAVE_FALLBACK_MONOTONIC)
+/* =====
+   And if none of the other options work, let's just use gettimeofday(), and
+   ratchet it forward so that it acts like a monotonic timer, whether it
+   wants to or not.
+ */
+
+int
+evutil_configure_monotonic_time_(struct evutil_monotonic_timer *base,
+    int precise)
+{
+	memset(base, 0, sizeof(*base));
+	return 0;
+}
+
+int
+evutil_gettime_monotonic_(struct evutil_monotonic_timer *base,
+    struct timeval *tp)
+{
+	if (evutil_gettimeofday(tp, NULL) < 0)
+		return -1;
+	adjust_monotonic_time(base, tp);
+	return 0;
+
+}
+#endif
diff --git a/ht-internal.h b/ht-internal.h
index 4673825..50375bb 100644
--- a/ht-internal.h
+++ b/ht-internal.h
@@ -1,12 +1,12 @@
-/* Based on work Copyright 2002 Christopher Clark */
+/* Copyright 2002 Christopher Clark */
 /* Copyright 2005-2012 Nick Mathewson */
 /* Copyright 2009-2012 Niels Provos and Nick Mathewson */
 /* See license at end. */
 
 /* Based on ideas by Christopher Clark and interfaces from Niels Provos. */
 
-#ifndef _EVENT_HT_H
-#define _EVENT_HT_H
+#ifndef HT_INTERNAL_H_INCLUDED_
+#define HT_INTERNAL_H_INCLUDED_
 
 #define HT_HEAD(name, type)                                             \
   struct name {                                                         \
@@ -25,16 +25,16 @@
 #define HT_INITIALIZER()                        \
   { NULL, 0, 0, 0, -1 }
 
-#ifdef HT_CACHE_HASH_VALUES
+#ifdef HT_NO_CACHE_HASH_VALUES
 #define HT_ENTRY(type)                          \
   struct {                                      \
     struct type *hte_next;                      \
-    unsigned hte_hash;                          \
   }
 #else
 #define HT_ENTRY(type)                          \
   struct {                                      \
     struct type *hte_next;                      \
+    unsigned hte_hash;                          \
   }
 #endif
 
@@ -45,6 +45,10 @@
 #define HT_SIZE(head)                           \
   ((head)->hth_n_entries)
 
+/* Return memory usage for a hashtable (not counting the entries themselves) */
+#define HT_MEM_USAGE(head)                         \
+  (sizeof(*head) + (head)->hth_table_length * sizeof(void*))
+
 #define HT_FIND(name, head, elm)     name##_HT_FIND((head), (elm))
 #define HT_INSERT(name, head, elm)   name##_HT_INSERT((head), (elm))
 #define HT_REPLACE(name, head, elm)  name##_HT_REPLACE((head), (elm))
@@ -56,7 +60,7 @@
 #define HT_INIT(name, head)          name##_HT_INIT(head)
 /* Helper: */
 static inline unsigned
-ht_improve_hash(unsigned h)
+ht_improve_hash_(unsigned h)
 {
   /* Aim to protect against poor hash functions by adding logic here
    * - logic taken from java 1.4 hashtable source */
@@ -70,7 +74,7 @@
 #if 0
 /** Basic string hash function, from Java standard String.hashCode(). */
 static inline unsigned
-ht_string_hash(const char *s)
+ht_string_hash_(const char *s)
 {
   unsigned h = 0;
   int m = 1;
@@ -84,7 +88,7 @@
 
 /** Basic string hash function, from Python's str.__hash__() */
 static inline unsigned
-ht_string_hash(const char *s)
+ht_string_hash_(const char *s)
 {
   unsigned h;
   const unsigned char *cp = (const unsigned char *)s;
@@ -97,25 +101,25 @@
   return h;
 }
 
-#ifdef HT_CACHE_HASH_VALUES
-#define _HT_SET_HASH(elm, field, hashfn)        \
+#ifndef HT_NO_CACHE_HASH_VALUES
+#define HT_SET_HASH_(elm, field, hashfn)        \
 	do { (elm)->field.hte_hash = hashfn(elm); } while (0)
-#define _HT_SET_HASHVAL(elm, field, val)	\
+#define HT_SET_HASHVAL_(elm, field, val)	\
 	do { (elm)->field.hte_hash = (val); } while (0)
-#define _HT_ELT_HASH(elm, field, hashfn)	\
+#define HT_ELT_HASH_(elm, field, hashfn)	\
 	((elm)->field.hte_hash)
 #else
-#define _HT_SET_HASH(elm, field, hashfn)	\
+#define HT_SET_HASH_(elm, field, hashfn)	\
 	((void)0)
-#define _HT_ELT_HASH(elm, field, hashfn)	\
+#define HT_ELT_HASH_(elm, field, hashfn)	\
 	(hashfn(elm))
-#define _HT_SET_HASHVAL(elm, field, val)	\
+#define HT_SET_HASHVAL_(elm, field, val)	\
         ((void)0)
 #endif
 
 /* Helper: alias for the bucket containing 'elm'. */
-#define _HT_BUCKET(head, field, elm, hashfn)				\
-	((head)->hth_table[_HT_ELT_HASH(elm,field,hashfn) % head->hth_table_length])
+#define HT_BUCKET_(head, field, elm, hashfn)				\
+	((head)->hth_table[HT_ELT_HASH_(elm,field,hashfn) % head->hth_table_length])
 
 #define HT_FOREACH(x, name, head)                 \
   for ((x) = HT_START(name, head);                \
@@ -125,7 +129,7 @@
 #define HT_PROTOTYPE(name, type, field, hashfn, eqfn)                   \
   int name##_HT_GROW(struct name *ht, unsigned min_capacity);           \
   void name##_HT_CLEAR(struct name *ht);                                \
-  int _##name##_HT_REP_IS_BAD(const struct name *ht);                   \
+  int name##_HT_REP_IS_BAD_(const struct name *ht);			\
   static inline void                                                    \
   name##_HT_INIT(struct name *head) {                                   \
     head->hth_table_length = 0;                                         \
@@ -137,12 +141,12 @@
   /* Helper: returns a pointer to the right location in the table       \
    * 'head' to find or insert the element 'elm'. */                     \
   static inline struct type **                                          \
-  _##name##_HT_FIND_P(struct name *head, struct type *elm)              \
+  name##_HT_FIND_P_(struct name *head, struct type *elm)		\
   {                                                                     \
     struct type **p;                                                    \
     if (!head->hth_table)                                               \
       return NULL;                                                      \
-    p = &_HT_BUCKET(head, field, elm, hashfn);				\
+    p = &HT_BUCKET_(head, field, elm, hashfn);				\
     while (*p) {                                                        \
       if (eqfn(*p, elm))                                                \
         return p;                                                       \
@@ -157,8 +161,8 @@
   {                                                                     \
     struct type **p;                                                    \
     struct name *h = (struct name *) head;                              \
-    _HT_SET_HASH(elm, field, hashfn);                                   \
-    p = _##name##_HT_FIND_P(h, elm);                                    \
+    HT_SET_HASH_(elm, field, hashfn);                                   \
+    p = name##_HT_FIND_P_(h, elm);					\
     return p ? *p : NULL;                                               \
   }                                                                     \
   /* Insert the element 'elm' into the table 'head'.  Do not call this  \
@@ -170,8 +174,8 @@
     if (!head->hth_table || head->hth_n_entries >= head->hth_load_limit) \
       name##_HT_GROW(head, head->hth_n_entries+1);                      \
     ++head->hth_n_entries;                                              \
-    _HT_SET_HASH(elm, field, hashfn);                                   \
-    p = &_HT_BUCKET(head, field, elm, hashfn);				\
+    HT_SET_HASH_(elm, field, hashfn);                                   \
+    p = &HT_BUCKET_(head, field, elm, hashfn);				\
     elm->field.hte_next = *p;                                           \
     *p = elm;                                                           \
   }                                                                     \
@@ -184,8 +188,8 @@
     struct type **p, *r;                                                \
     if (!head->hth_table || head->hth_n_entries >= head->hth_load_limit) \
       name##_HT_GROW(head, head->hth_n_entries+1);                      \
-    _HT_SET_HASH(elm, field, hashfn);                                   \
-    p = _##name##_HT_FIND_P(head, elm);                                 \
+    HT_SET_HASH_(elm, field, hashfn);                                   \
+    p = name##_HT_FIND_P_(head, elm);					\
     r = *p;                                                             \
     *p = elm;                                                           \
     if (r && (r!=elm)) {                                                \
@@ -203,8 +207,8 @@
   name##_HT_REMOVE(struct name *head, struct type *elm)                 \
   {                                                                     \
     struct type **p, *r;                                                \
-    _HT_SET_HASH(elm, field, hashfn);                                   \
-    p = _##name##_HT_FIND_P(head,elm);                                  \
+    HT_SET_HASH_(elm, field, hashfn);                                   \
+    p = name##_HT_FIND_P_(head,elm);					\
     if (!p || !*p)                                                      \
       return NULL;                                                      \
     r = *p;                                                             \
@@ -265,7 +269,7 @@
     if ((*elm)->field.hte_next) {                                       \
       return &(*elm)->field.hte_next;                                   \
     } else {                                                            \
-      unsigned b = (_HT_ELT_HASH(*elm, field, hashfn) % head->hth_table_length)+1; \
+      unsigned b = (HT_ELT_HASH_(*elm, field, hashfn) % head->hth_table_length)+1; \
       while (b < head->hth_table_length) {                              \
         if (head->hth_table[b])                                         \
           return &head->hth_table[b];                                   \
@@ -277,7 +281,7 @@
   static inline struct type **                                          \
   name##_HT_NEXT_RMV(struct name *head, struct type **elm)              \
   {                                                                     \
-    unsigned h = _HT_ELT_HASH(*elm, field, hashfn);		        \
+    unsigned h = HT_ELT_HASH_(*elm, field, hashfn);		        \
     *elm = (*elm)->field.hte_next;                                      \
     --head->hth_n_entries;                                              \
     if (*elm) {                                                         \
@@ -334,7 +338,7 @@
         elm = head->hth_table[b];                                       \
         while (elm) {                                                   \
           next = elm->field.hte_next;                                   \
-          b2 = _HT_ELT_HASH(elm, field, hashfn) % new_len;              \
+          b2 = HT_ELT_HASH_(elm, field, hashfn) % new_len;              \
           elm->field.hte_next = new_table[b2];                          \
           new_table[b2] = elm;                                          \
           elm = next;                                                   \
@@ -352,7 +356,7 @@
       for (b=0; b < head->hth_table_length; ++b) {                      \
         struct type *e, **pE;                                           \
         for (pE = &new_table[b], e = *pE; e != NULL; e = *pE) {         \
-          b2 = _HT_ELT_HASH(e, field, hashfn) % new_len;                \
+          b2 = HT_ELT_HASH_(e, field, hashfn) % new_len;                \
           if (b2 == b) {                                                \
             pE = &e->field.hte_next;                                    \
           } else {                                                      \
@@ -376,13 +380,12 @@
   {                                                                     \
     if (head->hth_table)                                                \
       freefn(head->hth_table);                                          \
-    head->hth_table_length = 0;                                         \
     name##_HT_INIT(head);                                               \
   }                                                                     \
   /* Debugging helper: return false iff the representation of 'head' is \
    * internally consistent. */                                          \
   int                                                                   \
-  _##name##_HT_REP_IS_BAD(const struct name *head)                      \
+  name##_HT_REP_IS_BAD_(const struct name *head)			\
   {                                                                     \
     unsigned n, i;                                                      \
     struct type *elm;                                                   \
@@ -404,9 +407,9 @@
       return 5;                                                         \
     for (n = i = 0; i < head->hth_table_length; ++i) {                  \
       for (elm = head->hth_table[i]; elm; elm = elm->field.hte_next) {  \
-        if (_HT_ELT_HASH(elm, field, hashfn) != hashfn(elm))	        \
+        if (HT_ELT_HASH_(elm, field, hashfn) != hashfn(elm))	        \
           return 1000 + i;                                              \
-        if ((_HT_ELT_HASH(elm, field, hashfn) % head->hth_table_length) != i) \
+        if ((HT_ELT_HASH_(elm, field, hashfn) % head->hth_table_length) != i) \
           return 10000 + i;                                             \
         ++n;                                                            \
       }                                                                 \
@@ -419,24 +422,24 @@
 /** Implements an over-optimized "find and insert if absent" block;
  * not meant for direct usage by typical code, or usage outside the critical
  * path.*/
-#define _HT_FIND_OR_INSERT(name, field, hashfn, head, eltype, elm, var, y, n) \
+#define HT_FIND_OR_INSERT_(name, field, hashfn, head, eltype, elm, var, y, n) \
   {                                                                     \
-    struct name *_##var##_head = head;                                  \
-    struct eltype **var;												\
-    if (!_##var##_head->hth_table ||                                    \
-        _##var##_head->hth_n_entries >= _##var##_head->hth_load_limit)  \
-      name##_HT_GROW(_##var##_head, _##var##_head->hth_n_entries+1);     \
-    _HT_SET_HASH((elm), field, hashfn);                                \
-    var = _##name##_HT_FIND_P(_##var##_head, (elm));                    \
+    struct name *var##_head_ = head;                                    \
+    struct eltype **var;                                                \
+    if (!var##_head_->hth_table ||                                      \
+        var##_head_->hth_n_entries >= var##_head_->hth_load_limit)      \
+      name##_HT_GROW(var##_head_, var##_head_->hth_n_entries+1);        \
+    HT_SET_HASH_((elm), field, hashfn);                                 \
+    var = name##_HT_FIND_P_(var##_head_, (elm));                        \
     if (*var) {                                                         \
       y;                                                                \
     } else {                                                            \
       n;                                                                \
     }                                                                   \
   }
-#define _HT_FOI_INSERT(field, head, elm, newent, var)       \
+#define HT_FOI_INSERT_(field, head, elm, newent, var)       \
   {                                                         \
-    _HT_SET_HASHVAL(newent, field, (elm)->field.hte_hash);  \
+    HT_SET_HASHVAL_(newent, field, (elm)->field.hte_hash);  \
     newent->field.hte_next = NULL;                          \
     *var = newent;                                          \
     ++((head)->hth_n_entries);                              \
@@ -444,7 +447,7 @@
 
 /*
  * Copyright 2005, Nick Mathewson.  Implementation logic is adapted from code
- * by Cristopher Clark, retrofit to allow drop-in memory management, and to
+ * by Christopher Clark, retrofit to allow drop-in memory management, and to
  * use the same interface as Niels Provos's tree.h.  This is probably still
  * a derived work, so the original license below still applies.
  *
diff --git a/http-internal.h b/http-internal.h
index 5f66673..4555517 100644
--- a/http-internal.h
+++ b/http-internal.h
@@ -7,8 +7,8 @@
  * need to know about these.
  */
 
-#ifndef _HTTP_INTERNAL_H_
-#define _HTTP_INTERNAL_H_
+#ifndef HTTP_INTERNAL_H_INCLUDED_
+#define HTTP_INTERNAL_H_INCLUDED_
 
 #include "event2/event_struct.h"
 #include "util-internal.h"
@@ -29,20 +29,12 @@
 	DATA_TOO_LONG = -3
 };
 
-enum evhttp_connection_error {
-	EVCON_HTTP_TIMEOUT,
-	EVCON_HTTP_EOF,
-	EVCON_HTTP_INVALID_HEADER,
-	EVCON_HTTP_BUFFER_ERROR,
-	EVCON_HTTP_REQUEST_CANCEL
-};
-
 struct evbuffer;
 struct addrinfo;
 struct evhttp_request;
 
 /* Indicates an unknown request method. */
-#define _EVHTTP_REQ_UNKNOWN (1<<15)
+#define EVHTTP_REQ_UNKNOWN_ (1<<15)
 
 enum evhttp_connection_state {
 	EVCON_DISCONNECTED,	/**< not currently connected not trying either*/
@@ -70,22 +62,30 @@
 	struct event retry_ev;		/* for retrying connects */
 
 	char *bind_address;		/* address to use for binding the src */
-	u_short bind_port;		/* local port for binding the src */
+	ev_uint16_t bind_port;		/* local port for binding the src */
 
 	char *address;			/* address to connect to */
-	u_short port;
+	ev_uint16_t port;
 
 	size_t max_headers_size;
 	ev_uint64_t max_body_size;
 
 	int flags;
-#define EVHTTP_CON_INCOMING	0x0001	/* only one request on it ever */
-#define EVHTTP_CON_OUTGOING	0x0002  /* multiple requests possible */
-#define EVHTTP_CON_CLOSEDETECT  0x0004  /* detecting if persistent close */
+#define EVHTTP_CON_INCOMING	0x0001       /* only one request on it ever */
+#define EVHTTP_CON_OUTGOING	0x0002       /* multiple requests possible */
+#define EVHTTP_CON_CLOSEDETECT	0x0004   /* detecting if persistent close */
+/* set when we want to auto free the connection */
+#define EVHTTP_CON_AUTOFREE	EVHTTP_CON_PUBLIC_FLAGS_END
+/* Installed when attempt to read HTTP error after write failed, see
+ * EVHTTP_CON_READ_ON_WRITE_ERROR */
+#define EVHTTP_CON_READING_ERROR	(EVHTTP_CON_AUTOFREE << 1)
 
-	int timeout;			/* timeout in seconds for events */
+	struct timeval timeout;		/* timeout for events */
 	int retry_cnt;			/* retry count */
 	int retry_max;			/* maximum number of retries */
+	struct timeval initial_retry_timeout; /* Timeout for low long to wait
+					       * after first failing attempt
+					       * before retry */
 
 	enum evhttp_connection_state state;
 
@@ -100,10 +100,11 @@
 	void (*closecb)(struct evhttp_connection *, void *);
 	void *closecb_arg;
 
-	struct deferred_cb read_more_deferred_cb;
+	struct event_callback read_more_deferred_cb;
 
 	struct event_base *base;
 	struct evdns_base *dns_base;
+	int ai_family;
 };
 
 /* A callback for an http server */
@@ -152,10 +153,12 @@
 	/* NULL if this server is not a vhost */
 	char *vhost_pattern;
 
-	int timeout;
+	struct timeval timeout;
 
 	size_t default_max_headers_size;
 	ev_uint64_t default_max_body_size;
+	int flags;
+	const char *default_content_type;
 
 	/* Bitmask of all HTTP methods that we accept and pass to user
 	 * callbacks. */
@@ -165,6 +168,8 @@
 	   don't match. */
 	void (*gencb)(struct evhttp_request *req, void *);
 	void *gencbarg;
+	struct bufferevent* (*bevcb)(struct event_base *, void *);
+	void *bevcbarg;
 
 	struct event_base *base;
 };
@@ -172,24 +177,29 @@
 /* XXX most of these functions could be static. */
 
 /* resets the connection; can be reused for more requests */
-void evhttp_connection_reset(struct evhttp_connection *);
+void evhttp_connection_reset_(struct evhttp_connection *);
 
 /* connects if necessary */
-int evhttp_connection_connect(struct evhttp_connection *);
+int evhttp_connection_connect_(struct evhttp_connection *);
 
+enum evhttp_request_error;
 /* notifies the current request that it failed; resets connection */
-void evhttp_connection_fail(struct evhttp_connection *,
-    enum evhttp_connection_error error);
+void evhttp_connection_fail_(struct evhttp_connection *,
+    enum evhttp_request_error error);
 
 enum message_read_status;
 
-enum message_read_status evhttp_parse_firstline(struct evhttp_request *, struct evbuffer*);
-enum message_read_status evhttp_parse_headers(struct evhttp_request *, struct evbuffer*);
+enum message_read_status evhttp_parse_firstline_(struct evhttp_request *, struct evbuffer*);
+enum message_read_status evhttp_parse_headers_(struct evhttp_request *, struct evbuffer*);
 
-void evhttp_start_read(struct evhttp_connection *);
+void evhttp_start_read_(struct evhttp_connection *);
+void evhttp_start_write_(struct evhttp_connection *);
 
 /* response sending HTML the data in the buffer */
-void evhttp_response_code(struct evhttp_request *, int, const char *);
-void evhttp_send_page(struct evhttp_request *, struct evbuffer *);
+void evhttp_response_code_(struct evhttp_request *, int, const char *);
+void evhttp_send_page_(struct evhttp_request *, struct evbuffer *);
+
+int evhttp_decode_uri_internal(const char *uri, size_t length,
+    char *ret, int decode_plus);
 
 #endif /* _HTTP_H */
diff --git a/http.c b/http.c
index 377597e..f5a2ef9 100644
--- a/http.c
+++ b/http.c
@@ -26,26 +26,31 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef _EVENT_HAVE_SYS_PARAM_H
+#ifdef EVENT__HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
 
-#ifdef _EVENT_HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
 #ifdef HAVE_SYS_IOCCOM_H
 #include <sys/ioccom.h>
 #endif
-
-#ifndef WIN32
+#ifdef EVENT__HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>
+#endif
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#ifndef _WIN32
 #include <sys/socket.h>
 #include <sys/stat.h>
-#include <sys/wait.h>
 #else
 #include <winsock2.h>
 #include <ws2tcpip.h>
@@ -53,17 +58,17 @@
 
 #include <sys/queue.h>
 
-#ifdef _EVENT_HAVE_NETINET_IN_H
+#ifdef EVENT__HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
-#ifdef _EVENT_HAVE_ARPA_INET_H
+#ifdef EVENT__HAVE_ARPA_INET_H
 #include <arpa/inet.h>
 #endif
-#ifdef _EVENT_HAVE_NETDB_H
+#ifdef EVENT__HAVE_NETDB_H
 #include <netdb.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #endif
 
@@ -71,15 +76,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef WIN32
+#ifndef _WIN32
 #include <syslog.h>
 #endif
 #include <signal.h>
-#include <time.h>
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
-#ifdef _EVENT_HAVE_FCNTL_H
+#ifdef EVENT__HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
 
@@ -91,7 +95,6 @@
 #include "event2/event.h"
 #include "event2/buffer.h"
 #include "event2/bufferevent.h"
-#include "event2/bufferevent_compat.h"
 #include "event2/http_struct.h"
 #include "event2/http_compat.h"
 #include "event2/util.h"
@@ -102,7 +105,7 @@
 #include "mm-internal.h"
 #include "bufferevent-internal.h"
 
-#ifndef _EVENT_HAVE_GETNAMEINFO
+#ifndef EVENT__HAVE_GETNAMEINFO
 #define NI_MAXSERV 32
 #define NI_MAXHOST 1025
 
@@ -193,12 +196,10 @@
 static void evhttp_read_cb(struct bufferevent *, void *);
 static void evhttp_write_cb(struct bufferevent *, void *);
 static void evhttp_error_cb(struct bufferevent *bufev, short what, void *arg);
-static int evhttp_decode_uri_internal(const char *uri, size_t length,
-    char *ret, int decode_plus);
 static int evhttp_find_vhost(struct evhttp *http, struct evhttp **outhttp,
 		  const char *hostname);
 
-#ifndef _EVENT_HAVE_STRSEP
+#ifndef EVENT__HAVE_STRSEP
 /* strsep replacement for platforms that lack it.  Only works if
  * del is one character long. */
 static char *
@@ -352,23 +353,6 @@
 		req->type != EVHTTP_REQ_HEAD);
 }
 
-/** Helper: adds the event 'ev' with the timeout 'timeout', or with
- * default_timeout if timeout is -1.
- */
-static int
-evhttp_add_event(struct event *ev, int timeout, int default_timeout)
-{
-	if (timeout != 0) {
-		struct timeval tv;
-
-		evutil_timerclear(&tv);
-		tv.tv_sec = timeout != -1 ? timeout : default_timeout;
-		return event_add(ev, &tv);
-	} else {
-		return event_add(ev, NULL);
-	}
-}
-
 /** Helper: called after we've added some data to an evcon's bufferevent's
  * output buffer.  Sets the evconn's writing-is-done callback, and puts
  * the bufferevent into writing mode.
@@ -450,7 +434,10 @@
 	evhttp_remove_header(req->output_headers, "Proxy-Connection");
 
 	/* Generate request line */
-	method = evhttp_method(req->type);
+	if (!(method = evhttp_method(req->type))) {
+		method = "NULL";
+	}
+
 	evbuffer_add_printf(bufferevent_get_output(evcon->bufev),
 	    "%s %s HTTP/%d.%d\r\n",
 	    method, req->uri, req->major, req->minor);
@@ -480,6 +467,13 @@
 		return (connection != NULL && evutil_ascii_strcasecmp(connection, "close") == 0);
 	}
 }
+static int
+evhttp_is_request_connection_close(struct evhttp_request *req)
+{
+	return
+		evhttp_is_connection_close(req->flags, req->input_headers) ||
+		evhttp_is_connection_close(req->flags, req->output_headers);
+}
 
 /* Return true iff 'headers' contains 'Connection: keep-alive' */
 static int
@@ -496,19 +490,7 @@
 {
 	if (evhttp_find_header(headers, "Date") == NULL) {
 		char date[50];
-#ifndef WIN32
-		struct tm cur;
-#endif
-		struct tm *cur_p;
-		time_t t = time(NULL);
-#ifdef WIN32
-		cur_p = gmtime(&t);
-#else
-		gmtime_r(&t, &cur);
-		cur_p = &cur;
-#endif
-		if (strftime(date, sizeof(date),
-			"%a, %d %b %Y %H:%M:%S GMT", cur_p) != 0) {
+		if (sizeof(date) - evutil_date_rfc1123(date, sizeof(date), NULL) > 0) {
 			evhttp_add_header(headers, "Date", date);
 		}
 	}
@@ -571,9 +553,11 @@
 	/* Potentially add headers for unidentified content. */
 	if (evhttp_response_needs_body(req)) {
 		if (evhttp_find_header(req->output_headers,
-			"Content-Type") == NULL) {
+			"Content-Type") == NULL
+		    && evcon->http_server->default_content_type) {
 			evhttp_add_header(req->output_headers,
-			    "Content-Type", "text/html; charset=ISO-8859-1");
+			    "Content-Type",
+			    evcon->http_server->default_content_type);
 		}
 	}
 
@@ -586,6 +570,23 @@
 	}
 }
 
+enum expect { NO, CONTINUE, OTHER };
+static enum expect evhttp_have_expect(struct evhttp_request *req, int input)
+{
+	const char *expect;
+	struct evkeyvalq *h = input ? req->input_headers : req->output_headers;
+
+	if (!(req->kind == EVHTTP_REQUEST) || !REQ_VERSION_ATLEAST(req, 1, 1))
+		return NO;
+
+	expect = evhttp_find_header(h, "Expect");
+	if (!expect)
+		return NO;
+
+	return !evutil_ascii_strcasecmp(expect, "100-continue") ? CONTINUE : OTHER;
+}
+
+
 /** Generate all headers appropriate for sending the http request in req (or
  * the response, if we're sending a response), and write them to evcon's
  * bufferevent. Also writes all data from req->output_buffer */
@@ -611,14 +612,12 @@
 	}
 	evbuffer_add(output, "\r\n", 2);
 
-	if (evbuffer_get_length(req->output_buffer) > 0) {
+	if (evhttp_have_expect(req, 0) != CONTINUE &&
+		evbuffer_get_length(req->output_buffer)) {
 		/*
 		 * For a request, we add the POST data, for a reply, this
 		 * is the regular data.
 		 */
-		/* XXX We might want to support waiting (a limited amount of
-		   time) for a continue status line from the server before
-		   sending POST/PUT message bodies. */
 		evbuffer_add_buffer(output, req->output_buffer);
 	}
 }
@@ -644,11 +643,19 @@
 
 static int
 evhttp_connection_incoming_fail(struct evhttp_request *req,
-    enum evhttp_connection_error error)
+    enum evhttp_request_error error)
 {
 	switch (error) {
-	case EVCON_HTTP_TIMEOUT:
-	case EVCON_HTTP_EOF:
+		case EVREQ_HTTP_DATA_TOO_LONG:
+			req->response_code = HTTP_ENTITYTOOLARGE;
+			break;
+		default:
+			req->response_code = HTTP_BADREQUEST;
+	}
+
+	switch (error) {
+	case EVREQ_HTTP_TIMEOUT:
+	case EVREQ_HTTP_EOF:
 		/*
 		 * these are cases in which we probably should just
 		 * close the connection and not send a reply.  this
@@ -666,9 +673,10 @@
 			req->evcon = NULL;
 		}
 		return (-1);
-	case EVCON_HTTP_INVALID_HEADER:
-	case EVCON_HTTP_BUFFER_ERROR:
-	case EVCON_HTTP_REQUEST_CANCEL:
+	case EVREQ_HTTP_INVALID_HEADER:
+	case EVREQ_HTTP_BUFFER_ERROR:
+	case EVREQ_HTTP_REQUEST_CANCEL:
+	case EVREQ_HTTP_DATA_TOO_LONG:
 	default:	/* xxx: probably should just error on default */
 		/* the callback looks at the uri to determine errors */
 		if (req->uri) {
@@ -690,17 +698,36 @@
 	return (0);
 }
 
+/* Free connection ownership of which can be acquired by user using
+ * evhttp_request_own(). */
+static inline void
+evhttp_request_free_auto(struct evhttp_request *req)
+{
+	if (!(req->flags & EVHTTP_USER_OWNED))
+		evhttp_request_free(req);
+}
+
+static void
+evhttp_request_free_(struct evhttp_connection *evcon, struct evhttp_request *req)
+{
+	TAILQ_REMOVE(&evcon->requests, req, next);
+	evhttp_request_free_auto(req);
+}
+
 /* Called when evcon has experienced a (non-recoverable? -NM) error, as
  * given in error. If it's an outgoing connection, reset the connection,
  * retry any pending requests, and inform the user.  If it's incoming,
  * delegates to evhttp_connection_incoming_fail(). */
 void
-evhttp_connection_fail(struct evhttp_connection *evcon,
-    enum evhttp_connection_error error)
+evhttp_connection_fail_(struct evhttp_connection *evcon,
+    enum evhttp_request_error error)
 {
+	const int errsave = EVUTIL_SOCKET_ERROR();
 	struct evhttp_request* req = TAILQ_FIRST(&evcon->requests);
 	void (*cb)(struct evhttp_request *, void *);
 	void *cb_arg;
+	void (*error_cb)(enum evhttp_request_error, void *);
+	void *error_cb_arg;
 	EVUTIL_ASSERT(req != NULL);
 
 	bufferevent_disable(evcon->bufev, EV_READ|EV_WRITE);
@@ -719,8 +746,10 @@
 		return;
 	}
 
+	error_cb = req->error_cb;
+	error_cb_arg = req->cb_arg;
 	/* when the request was canceled, the callback is not executed */
-	if (error != EVCON_HTTP_REQUEST_CANCEL) {
+	if (error != EVREQ_HTTP_REQUEST_CANCEL) {
 		/* save the callback for later; the cb might free our object */
 		cb = req->cb;
 		cb_arg = req->cb_arg;
@@ -733,17 +762,24 @@
 	 * send over a new connection.   when a user cancels a request,
 	 * all other pending requests should be processed as normal
 	 */
-	TAILQ_REMOVE(&evcon->requests, req, next);
-	evhttp_request_free(req);
+	evhttp_request_free_(evcon, req);
 
 	/* reset the connection */
-	evhttp_connection_reset(evcon);
+	evhttp_connection_reset_(evcon);
 
 	/* We are trying the next request that was queued on us */
 	if (TAILQ_FIRST(&evcon->requests) != NULL)
-		evhttp_connection_connect(evcon);
+		evhttp_connection_connect_(evcon);
+
+	/* The call to evhttp_connection_reset_ overwrote errno.
+	 * Let's restore the original errno, so that the user's
+	 * callback can have a better idea of what the error was.
+	 */
+	EVUTIL_SET_SOCKET_ERROR(errsave);
 
 	/* inform the user */
+	if (error_cb != NULL)
+		error_cb(error, error_cb_arg);
 	if (cb != NULL)
 		(*cb)(NULL, cb_arg);
 }
@@ -772,22 +808,19 @@
 {
 	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
 	int con_outgoing = evcon->flags & EVHTTP_CON_OUTGOING;
+	int free_evcon = 0;
 
 	if (con_outgoing) {
 		/* idle or close the connection */
-		int need_close;
+		int need_close = evhttp_is_request_connection_close(req);
 		TAILQ_REMOVE(&evcon->requests, req, next);
 		req->evcon = NULL;
 
 		evcon->state = EVCON_IDLE;
 
-		need_close =
-		    evhttp_is_connection_close(req->flags, req->input_headers)||
-		    evhttp_is_connection_close(req->flags, req->output_headers);
-
 		/* check if we got asked to close the connection */
 		if (need_close)
-			evhttp_connection_reset(evcon);
+			evhttp_connection_reset_(evcon);
 
 		if (TAILQ_FIRST(&evcon->requests) != NULL) {
 			/*
@@ -795,7 +828,7 @@
 			 * and deal with the next request.
 			 */
 			if (!evhttp_connected(evcon))
-				evhttp_connection_connect(evcon);
+				evhttp_connection_connect_(evcon);
 			else
 				evhttp_request_dispatch(evcon);
 		} else if (!need_close) {
@@ -804,6 +837,12 @@
 			 * need to detect if the other side closes it.
 			 */
 			evhttp_connection_start_detectclose(evcon);
+		} else if ((evcon->flags & EVHTTP_CON_AUTOFREE)) {
+			/*
+			 * If we have no more requests that need completion
+			 * and we're not waiting for the connection to close
+			 */
+			 free_evcon = 1;
 		}
 	} else {
 		/*
@@ -816,11 +855,19 @@
 	/* notify the user of the request */
 	(*req->cb)(req, req->cb_arg);
 
-	/* if this was an outgoing request, we own and it's done. so free it.
-	 * unless the callback specifically requested to own the request.
+	/* if this was an outgoing request, we own and it's done. so free it. */
+	if (con_outgoing) {
+		evhttp_request_free_auto(req);
+	}
+
+	/* If this was the last request of an outgoing connection and we're
+	 * not waiting to receive a connection close event and we want to
+	 * automatically free the connection. We check to ensure our request
+	 * list is empty one last time just in case our callback added a
+	 * new request.
 	 */
-	if (con_outgoing && ((req->flags & EVHTTP_USER_OWNED) == 0)) {
-		evhttp_request_free(req);
+	if (free_evcon && TAILQ_FIRST(&evcon->requests) == NULL) {
+		evhttp_connection_free(evcon);
 	}
 }
 
@@ -934,10 +981,10 @@
 {
 	struct evbuffer *buf = bufferevent_get_input(evcon->bufev);
 
-	switch (evhttp_parse_headers(req, buf)) {
+	switch (evhttp_parse_headers_(req, buf)) {
 	case DATA_CORRUPTED:
 	case DATA_TOO_LONG:
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_DATA_TOO_LONG);
 		break;
 	case ALL_DATA_READ:
 		bufferevent_disable(evcon->bufev, EV_READ);
@@ -946,12 +993,40 @@
 	case MORE_DATA_EXPECTED:
 	case REQUEST_CANCELED: /* ??? */
 	default:
-		bufferevent_enable(evcon->bufev, EV_READ);
 		break;
 	}
 }
 
 static void
+evhttp_lingering_close(struct evhttp_connection *evcon,
+	struct evhttp_request *req)
+{
+	struct evbuffer *buf = bufferevent_get_input(evcon->bufev);
+
+	size_t n = evbuffer_get_length(buf);
+	if (n > (size_t) req->ntoread)
+		n = (size_t) req->ntoread;
+	req->ntoread -= n;
+	req->body_size += n;
+
+	event_debug(("Request body is too long, left " EV_I64_FMT,
+		EV_I64_ARG(req->ntoread)));
+
+	evbuffer_drain(buf, n);
+	if (!req->ntoread)
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_DATA_TOO_LONG);
+}
+static void
+evhttp_lingering_fail(struct evhttp_connection *evcon,
+	struct evhttp_request *req)
+{
+	if (evcon->flags & EVHTTP_CON_LINGERING_CLOSE)
+		evhttp_lingering_close(evcon, req);
+	else
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_DATA_TOO_LONG);
+}
+
+static void
 evhttp_read_body(struct evhttp_connection *evcon, struct evhttp_request *req)
 {
 	struct evbuffer *buf = bufferevent_get_input(evcon->bufev);
@@ -964,14 +1039,14 @@
 			evhttp_read_trailer(evcon, req);
 			return;
 		case DATA_CORRUPTED:
-		case DATA_TOO_LONG:/*separate error for this? XXX */
+		case DATA_TOO_LONG:
 			/* corrupted data */
-			evhttp_connection_fail(evcon,
-			    EVCON_HTTP_INVALID_HEADER);
+			evhttp_connection_fail_(evcon,
+			    EVREQ_HTTP_DATA_TOO_LONG);
 			return;
 		case REQUEST_CANCELED:
 			/* request canceled */
-			evhttp_request_free(req);
+			evhttp_request_free_auto(req);
 			return;
 		case MORE_DATA_EXPECTED:
 		default:
@@ -980,7 +1055,7 @@
 	} else if (req->ntoread < 0) {
 		/* Read until connection close. */
 		if ((size_t)(req->body_size + evbuffer_get_length(buf)) < req->body_size) {
-			evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
+			evhttp_connection_fail_(evcon, EVREQ_HTTP_INVALID_HEADER);
 			return;
 		}
 
@@ -1004,9 +1079,8 @@
 		(size_t)req->ntoread > req->evcon->max_body_size)) {
 		/* XXX: The above casted comparison must checked for overflow */
 		/* failed body length test */
-		event_debug(("Request body is too long"));
-		evhttp_connection_fail(evcon,
-				       EVCON_HTTP_INVALID_HEADER);
+
+		evhttp_lingering_fail(evcon, req);
 		return;
 	}
 
@@ -1017,24 +1091,21 @@
 		evbuffer_drain(req->input_buffer,
 		    evbuffer_get_length(req->input_buffer));
 		if ((req->flags & EVHTTP_REQ_NEEDS_FREE) != 0) {
-			evhttp_request_free(req);
+			evhttp_request_free_auto(req);
 			return;
 		}
 	}
 
-	if (req->ntoread == 0) {
+	if (!req->ntoread) {
 		bufferevent_disable(evcon->bufev, EV_READ);
 		/* Completed content length */
 		evhttp_connection_done(evcon);
 		return;
 	}
-
-	/* Read more! */
-	bufferevent_enable(evcon->bufev, EV_READ);
 }
 
 #define get_deferred_queue(evcon)		\
-	(event_base_get_deferred_cb_queue((evcon)->base))
+	((evcon)->base)
 
 /*
  * Gets called when more data becomes available
@@ -1047,7 +1118,7 @@
 	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
 
 	/* Cancel if it's pending. */
-	event_deferred_cb_cancel(get_deferred_queue(evcon),
+	event_deferred_cb_cancel_(get_deferred_queue(evcon),
 	    &evcon->read_more_deferred_cb);
 
 	switch (evcon->state) {
@@ -1083,7 +1154,7 @@
 				__func__, EV_SIZE_ARG(total_len)));
 #endif
 
-			evhttp_connection_reset(evcon);
+			evhttp_connection_reset_(evcon);
 		}
 		break;
 	case EVCON_DISCONNECTED:
@@ -1096,7 +1167,7 @@
 }
 
 static void
-evhttp_deferred_read_cb(struct deferred_cb *cb, void *data)
+evhttp_deferred_read_cb(struct event_callback *cb, void *data)
 {
 	struct evhttp_connection *evcon = data;
 	evhttp_read_cb(evcon->bufev, evcon);
@@ -1107,14 +1178,20 @@
 {
 	/* This is after writing the request to the server */
 	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
+	struct evbuffer *output = bufferevent_get_output(evcon->bufev);
 	EVUTIL_ASSERT(req != NULL);
 
 	EVUTIL_ASSERT(evcon->state == EVCON_WRITING);
 
+	/* We need to wait until we've written all of our output data before we can
+	 * continue */
+	if (evbuffer_get_length(output) > 0)
+		return;
+
 	/* We are done writing our header and are now expecting the response */
 	req->kind = EVHTTP_RESPONSE;
 
-	evhttp_start_read(evcon);
+	evhttp_start_read_(evcon);
 }
 
 /*
@@ -1135,11 +1212,10 @@
 	/* remove all requests that might be queued on this
 	 * connection.  for server connections, this should be empty.
 	 * because it gets dequeued either in evhttp_connection_done or
-	 * evhttp_connection_fail.
+	 * evhttp_connection_fail_.
 	 */
 	while ((req = TAILQ_FIRST(&evcon->requests)) != NULL) {
-		TAILQ_REMOVE(&evcon->requests, req, next);
-		evhttp_request_free(req);
+		evhttp_request_free_(evcon, req);
 	}
 
 	if (evcon->http_server != NULL) {
@@ -1155,12 +1231,18 @@
 	if (evcon->bufev != NULL)
 		bufferevent_free(evcon->bufev);
 
-	event_deferred_cb_cancel(get_deferred_queue(evcon),
+	event_deferred_cb_cancel_(get_deferred_queue(evcon),
 	    &evcon->read_more_deferred_cb);
 
+	if (evcon->fd == -1)
+		evcon->fd = bufferevent_getfd(evcon->bufev);
+
 	if (evcon->fd != -1) {
+		bufferevent_disable(evcon->bufev, EV_READ|EV_WRITE);
 		shutdown(evcon->fd, EVUTIL_SHUT_WR);
-		evutil_closesocket(evcon->fd);
+		if (!(bufferevent_get_options_(evcon->bufev) & BEV_OPT_CLOSE_ON_FREE)) {
+			evutil_closesocket(evcon->fd);
+		}
 	}
 
 	if (evcon->bind_address != NULL)
@@ -1173,6 +1255,11 @@
 }
 
 void
+evhttp_connection_free_on_completion(struct evhttp_connection *evcon) {
+	evcon->flags |= EVHTTP_CON_AUTOFREE;
+}
+
+void
 evhttp_connection_set_local_address(struct evhttp_connection *evcon,
     const char *address)
 {
@@ -1217,9 +1304,10 @@
 /* Reset our connection state: disables reading/writing, closes our fd (if
 * any), clears out buffers, and puts us in state DISCONNECTED. */
 void
-evhttp_connection_reset(struct evhttp_connection *evcon)
+evhttp_connection_reset_(struct evhttp_connection *evcon)
 {
 	struct evbuffer *tmp;
+	int err;
 
 	/* XXXX This is not actually an optimal fix.  Instead we ought to have
 	   an API for "stop connecting", or use bufferevent_setfd to turn off
@@ -1230,9 +1318,12 @@
 	   bufferevent is connecting, then you can't actually stop the
 	   bufferevent from trying to connect with bufferevent_disable().  The
 	   connect will never trigger, since we close the fd, but the timeout
-	   might.  That caused an assertion failure in evhttp_connection_fail.
+	   might.  That caused an assertion failure in evhttp_connection_fail_.
 	*/
-	bufferevent_disable_hard(evcon->bufev, EV_READ|EV_WRITE);
+	bufferevent_disable_hard_(evcon->bufev, EV_READ|EV_WRITE);
+
+	if (evcon->fd == -1)
+		evcon->fd = bufferevent_getfd(evcon->bufev);
 
 	if (evcon->fd != -1) {
 		/* inform interested parties about connection close */
@@ -1243,12 +1334,17 @@
 		evutil_closesocket(evcon->fd);
 		evcon->fd = -1;
 	}
+	bufferevent_setfd(evcon->bufev, -1);
 
 	/* we need to clean up any buffered data */
 	tmp = bufferevent_get_output(evcon->bufev);
-	evbuffer_drain(tmp, evbuffer_get_length(tmp));
+	err = evbuffer_drain(tmp, -1);
+	EVUTIL_ASSERT(!err && "drain output");
 	tmp = bufferevent_get_input(evcon->bufev);
-	evbuffer_drain(tmp, evbuffer_get_length(tmp));
+	err = evbuffer_drain(tmp, -1);
+	EVUTIL_ASSERT(!err && "drain input");
+
+	evcon->flags &= ~EVHTTP_CON_READING_ERROR;
 
 	evcon->state = EVCON_DISCONNECTED;
 }
@@ -1275,7 +1371,7 @@
 	struct evhttp_connection *evcon = arg;
 
 	evcon->state = EVCON_DISCONNECTED;
-	evhttp_connection_connect(evcon);
+	evhttp_connection_connect_(evcon);
 }
 
 static void
@@ -1283,16 +1379,28 @@
 {
 	struct evcon_requestq requests;
 
+	evhttp_connection_reset_(evcon);
 	if (evcon->retry_max < 0 || evcon->retry_cnt < evcon->retry_max) {
+		struct timeval tv_retry = evcon->initial_retry_timeout;
+		int i;
 		evtimer_assign(&evcon->retry_ev, evcon->base, evhttp_connection_retry, evcon);
 		/* XXXX handle failure from evhttp_add_event */
-		evhttp_add_event(&evcon->retry_ev,
-		    MIN(3600, 2 << evcon->retry_cnt),
-		    HTTP_CONNECT_TIMEOUT);
+		for (i=0; i < evcon->retry_cnt; ++i) {
+			tv_retry.tv_usec *= 2;
+			if (tv_retry.tv_usec > 1000000) {
+				tv_retry.tv_usec -= 1000000;
+				tv_retry.tv_sec += 1;
+			}
+			tv_retry.tv_sec *= 2;
+			if (tv_retry.tv_sec > 3600) {
+				tv_retry.tv_sec = 3600;
+				tv_retry.tv_usec = 0;
+			}
+		}
+		event_add(&evcon->retry_ev, &tv_retry);
 		evcon->retry_cnt++;
 		return;
 	}
-	evhttp_connection_reset(evcon);
 
 	/*
 	 * User callback can do evhttp_make_request() on the same
@@ -1315,16 +1423,43 @@
 
 		/* we might want to set an error here */
 		request->cb(request, request->cb_arg);
-		evhttp_request_free(request);
+		evhttp_request_free_auto(request);
 	}
 }
 
 static void
+evhttp_connection_read_on_write_error(struct evhttp_connection *evcon,
+    struct evhttp_request *req)
+{
+	struct evbuffer *buf;
+
+	/** Second time, we can't read anything */
+	if (evcon->flags & EVHTTP_CON_READING_ERROR) {
+		evcon->flags &= ~EVHTTP_CON_READING_ERROR;
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_EOF);
+		return;
+	}
+
+	req->kind = EVHTTP_RESPONSE;
+
+	buf = bufferevent_get_output(evcon->bufev);
+	evbuffer_unfreeze(buf, 1);
+	evbuffer_drain(buf, evbuffer_get_length(buf));
+	evbuffer_freeze(buf, 1);
+
+	evhttp_start_read_(evcon);
+	evcon->flags |= EVHTTP_CON_READING_ERROR;
+}
+
+static void
 evhttp_error_cb(struct bufferevent *bufev, short what, void *arg)
 {
 	struct evhttp_connection *evcon = arg;
 	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
 
+	if (evcon->fd == -1)
+		evcon->fd = bufferevent_getfd(bufev);
+
 	switch (evcon->state) {
 	case EVCON_CONNECTING:
 		if (what & BEV_EVENT_TIMEOUT) {
@@ -1367,16 +1502,34 @@
 		 * disconnected.
 		 */
 		EVUTIL_ASSERT(evcon->state == EVCON_IDLE);
-		evhttp_connection_reset(evcon);
+		evhttp_connection_reset_(evcon);
+
+		/*
+		 * If we have no more requests that need completion
+		 * and we want to auto-free the connection when all
+		 * requests have been completed.
+		 */
+		if (TAILQ_FIRST(&evcon->requests) == NULL
+		  && (evcon->flags & EVHTTP_CON_OUTGOING)
+		  && (evcon->flags & EVHTTP_CON_AUTOFREE)) {
+			evhttp_connection_free(evcon);
+		}
 		return;
 	}
 
 	if (what & BEV_EVENT_TIMEOUT) {
-		evhttp_connection_fail(evcon, EVCON_HTTP_TIMEOUT);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_TIMEOUT);
 	} else if (what & (BEV_EVENT_EOF|BEV_EVENT_ERROR)) {
-		evhttp_connection_fail(evcon, EVCON_HTTP_EOF);
+		if (what & BEV_EVENT_WRITING &&
+			evcon->flags & EVHTTP_CON_READ_ON_WRITE_ERROR) {
+			evhttp_connection_read_on_write_error(evcon, req);
+			return;
+		}
+
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_EOF);
+	} else if (what == BEV_EVENT_CONNECTED) {
 	} else {
-		evhttp_connection_fail(evcon, EVCON_HTTP_BUFFER_ERROR);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_BUFFER_ERROR);
 	}
 }
 
@@ -1390,12 +1543,15 @@
 	int error;
 	ev_socklen_t errsz = sizeof(error);
 
+	if (evcon->fd == -1)
+		evcon->fd = bufferevent_getfd(bufev);
+
 	if (!(what & BEV_EVENT_CONNECTED)) {
 		/* some operating systems return ECONNREFUSED immediately
 		 * when connecting to a local address.  the cleanup is going
 		 * to reschedule this function call.
 		 */
-#ifndef WIN32
+#ifndef _WIN32
 		if (errno == ECONNREFUSED)
 			goto cleanup;
 #endif
@@ -1403,6 +1559,12 @@
 		return;
 	}
 
+	if (evcon->fd == -1) {
+		event_debug(("%s: bufferevent_getfd returned -1",
+			__func__));
+		goto cleanup;
+	}
+
 	/* Check if the connection completed */
 	if (getsockopt(evcon->fd, SOL_SOCKET, SO_ERROR, (void*)&error,
 		       &errsz) == -1) {
@@ -1437,14 +1599,12 @@
 	    evhttp_error_cb,
 	    evcon);
 
-	if (evcon->timeout == -1)
-		bufferevent_settimeout(evcon->bufev,
-		    HTTP_READ_TIMEOUT, HTTP_WRITE_TIMEOUT);
-	else {
-		struct timeval tv;
-		tv.tv_sec = evcon->timeout;
-		tv.tv_usec = 0;
-		bufferevent_set_timeouts(evcon->bufev, &tv, &tv);
+	if (!evutil_timerisset(&evcon->timeout)) {
+		const struct timeval read_tv = { HTTP_READ_TIMEOUT, 0 };
+		const struct timeval write_tv = { HTTP_WRITE_TIMEOUT, 0 };
+		bufferevent_set_timeouts(evcon->bufev, &read_tv, &write_tv);
+	} else {
+		bufferevent_set_timeouts(evcon->bufev, &evcon->timeout, &evcon->timeout);
 	}
 
 	/* try to start requests that have queued up on this connection */
@@ -1510,6 +1670,8 @@
 		return (-1);
 	}
 
+	if (req->response_code_line != NULL)
+		mm_free(req->response_code_line);
 	if ((req->response_code_line = mm_strdup(readable)) == NULL) {
 		event_warn("%s: strdup", __func__);
 		return (-1);
@@ -1528,6 +1690,8 @@
 	char *version;
 	const char *hostname;
 	const char *scheme;
+	size_t method_len;
+	enum evhttp_cmd_type type;
 
 	/* Parse the request line */
 	method = strsep(&line, " ");
@@ -1540,30 +1704,122 @@
 	if (line != NULL)
 		return (-1);
 
+	method_len = (uri - method) - 1;
+	type       = EVHTTP_REQ_UNKNOWN_;
+
 	/* First line */
-	if (strcmp(method, "GET") == 0) {
-		req->type = EVHTTP_REQ_GET;
-	} else if (strcmp(method, "POST") == 0) {
-		req->type = EVHTTP_REQ_POST;
-	} else if (strcmp(method, "HEAD") == 0) {
-		req->type = EVHTTP_REQ_HEAD;
-	} else if (strcmp(method, "PUT") == 0) {
-		req->type = EVHTTP_REQ_PUT;
-	} else if (strcmp(method, "DELETE") == 0) {
-		req->type = EVHTTP_REQ_DELETE;
-	} else if (strcmp(method, "OPTIONS") == 0) {
-		req->type = EVHTTP_REQ_OPTIONS;
-	} else if (strcmp(method, "TRACE") == 0) {
-		req->type = EVHTTP_REQ_TRACE;
-	} else if (strcmp(method, "PATCH") == 0) {
-		req->type = EVHTTP_REQ_PATCH;
-	} else {
-		req->type = _EVHTTP_REQ_UNKNOWN;
-		event_debug(("%s: bad method %s on request %p from %s",
+	switch (method_len) {
+	    case 3:
+		/* The length of the method string is 3, meaning it can only be one of two methods: GET or PUT */
+            
+		/* Since both GET and PUT share the same character 'T' at the end,
+		 * if the string doesn't have 'T', we can immediately determine this
+		 * is an invalid HTTP method */
+            
+		if (method[2] != 'T') {
+		    break;
+		}
+            
+		switch (*method) {
+		    case 'G':
+			/* This first byte is 'G', so make sure the next byte is
+			 * 'E', if it isn't then this isn't a valid method */
+                    
+			if (method[1] == 'E') {
+			    type = EVHTTP_REQ_GET;
+			}
+                    
+			break;
+		    case 'P':
+			/* First byte is P, check second byte for 'U', if not,
+			 * we know it's an invalid method */
+			if (method[1] == 'U') {
+			    type = EVHTTP_REQ_PUT;
+			}
+			break;
+		    default:
+			break;
+		}
+		break;
+	    case 4:
+		/* The method length is 4 bytes, leaving only the methods "POST" and "HEAD" */
+		switch (*method) {
+		    case 'P':
+			if (method[3] == 'T' && method[2] == 'S' && method[1] == 'O') {
+			    type = EVHTTP_REQ_POST;
+			}
+			break;
+		    case 'H':
+			if (method[3] == 'D' && method[2] == 'A' && method[1] == 'E') {
+			    type = EVHTTP_REQ_HEAD;
+			}
+			break;
+		    default:
+			break;
+		}
+		break;
+	    case 5:
+		/* Method length is 5 bytes, which can only encompass PATCH and TRACE */
+		switch (*method) {
+		    case 'P':
+			if (method[4] == 'H' && method[3] == 'C' && method[2] == 'T' && method[1] == 'A') {
+			    type = EVHTTP_REQ_PATCH;
+			}
+			break;
+		    case 'T':
+			if (method[4] == 'E' && method[3] == 'C' && method[2] == 'A' && method[1] == 'R') {
+			    type = EVHTTP_REQ_TRACE;
+			}
+                    
+			break;
+		    default:
+			break;
+		}
+		break;
+	    case 6:
+		/* Method length is 6, only valid method 6 bytes in length is DELEte */
+            
+		/* If the first byte isn't 'D' then it's invalid */
+		if (*method != 'D') {
+		    break;
+		}
+
+		if (method[5] == 'E' && method[4] == 'T' && method[3] == 'E' && method[2] == 'L' && method[1] == 'E') {
+		    type = EVHTTP_REQ_DELETE;
+		}
+
+		break;
+	    case 7:
+		/* Method length is 7, only valid methods are "OPTIONS" and "CONNECT" */
+		switch (*method) {
+		    case 'O':
+			if (method[6] == 'S' && method[5] == 'N' && method[4] == 'O' &&
+				method[3] == 'I' && method[2] == 'T' && method[1] == 'P') {
+			    type = EVHTTP_REQ_OPTIONS;
+			}
+                   
+		       	break;
+		    case 'C':
+			if (method[6] == 'T' && method[5] == 'C' && method[4] == 'E' &&
+				method[3] == 'N' && method[2] == 'N' && method[1] == 'O') {
+			    type = EVHTTP_REQ_CONNECT;
+			}
+                    
+			break;
+		    default:
+			break;
+		}
+		break;
+	} /* switch */
+
+	if ((int)type == EVHTTP_REQ_UNKNOWN_) {
+	        event_debug(("%s: bad method %s on request %p from %s",
 			__func__, method, req, req->remote_host));
-		/* No error yet; we'll give a better error later when
-		 * we see that req->type is unsupported. */
+                /* No error yet; we'll give a better error later when
+                 * we see that req->type is unsupported. */
 	}
+	    
+	req->type = type;
 
 	if (evhttp_parse_http_version(version, req) < 0)
 		return (-1);
@@ -1719,7 +1975,7 @@
  */
 
 enum message_read_status
-evhttp_parse_firstline(struct evhttp_request *req, struct evbuffer *buffer)
+evhttp_parse_firstline_(struct evhttp_request *req, struct evbuffer *buffer)
 {
 	char *line;
 	enum message_read_status status = ALL_DATA_READ;
@@ -1761,7 +2017,7 @@
 }
 
 static int
-evhttp_append_to_last_header(struct evkeyvalq *headers, const char *line)
+evhttp_append_to_last_header(struct evkeyvalq *headers, char *line)
 {
 	struct evkeyval *header = TAILQ_LAST(headers, evkeyvalq);
 	char *newval;
@@ -1771,20 +2027,27 @@
 		return (-1);
 
 	old_len = strlen(header->value);
+
+	/* Strip space from start and end of line. */
+	while (*line == ' ' || *line == '\t')
+		++line;
+	evutil_rtrim_lws_(line);
+
 	line_len = strlen(line);
 
-	newval = mm_realloc(header->value, old_len + line_len + 1);
+	newval = mm_realloc(header->value, old_len + line_len + 2);
 	if (newval == NULL)
 		return (-1);
 
-	memcpy(newval + old_len, line, line_len + 1);
+	newval[old_len] = ' ';
+	memcpy(newval + old_len + 1, line, line_len + 1);
 	header->value = newval;
 
 	return (0);
 }
 
 enum message_read_status
-evhttp_parse_headers(struct evhttp_request *req, struct evbuffer* buffer)
+evhttp_parse_headers_(struct evhttp_request *req, struct evbuffer* buffer)
 {
 	enum message_read_status errcode = DATA_CORRUPTED;
 	char *line;
@@ -1825,6 +2088,7 @@
 			goto error;
 
 		svalue += strspn(svalue, " ");
+		evutil_rtrim_lws_(svalue);
 
 		if (evhttp_add_header(headers, skey, svalue) == -1)
 			goto error;
@@ -1924,8 +2188,7 @@
 		req->ntoread = -1;
 	} else {
 		if (evhttp_get_body_length(req) == -1) {
-			evhttp_connection_fail(evcon,
-			    EVCON_HTTP_INVALID_HEADER);
+			evhttp_connection_fail_(evcon, EVREQ_HTTP_INVALID_HEADER);
 			return;
 		}
 		if (req->kind == EVHTTP_REQUEST && req->ntoread < 1) {
@@ -1937,12 +2200,8 @@
 	}
 
 	/* Should we send a 100 Continue status line? */
-	if (req->kind == EVHTTP_REQUEST && REQ_VERSION_ATLEAST(req, 1, 1)) {
-		const char *expect;
-
-		expect = evhttp_find_header(req->input_headers, "Expect");
-		if (expect) {
-			if (!evutil_ascii_strcasecmp(expect, "100-continue")) {
+	switch (evhttp_have_expect(req, 1)) {
+		case CONTINUE:
 				/* XXX It would be nice to do some sanity
 				   checking here. Does the resource exist?
 				   Should the resource accept post requests? If
@@ -1951,19 +2210,19 @@
 				   send their message body. */
 				if (req->ntoread > 0) {
 					/* ntoread is ev_int64_t, max_body_size is ev_uint64_t */ 
-					if ((req->evcon->max_body_size <= EV_INT64_MAX) && (ev_uint64_t)req->ntoread > req->evcon->max_body_size) {
-						evhttp_send_error(req, HTTP_ENTITYTOOLARGE, NULL);
+					if ((req->evcon->max_body_size <= EV_INT64_MAX) &&
+						(ev_uint64_t)req->ntoread > req->evcon->max_body_size) {
+						evhttp_lingering_fail(evcon, req);
 						return;
 					}
 				}
 				if (!evbuffer_get_length(bufferevent_get_input(evcon->bufev)))
 					evhttp_send_continue(evcon, req);
-			} else {
-				evhttp_send_error(req, HTTP_EXPECTATIONFAILED,
-					NULL);
-				return;
-			}
-		}
+			break;
+		case OTHER:
+			evhttp_send_error(req, HTTP_EXPECTATIONFAILED, NULL);
+			return;
+		case NO: break;
 	}
 
 	evhttp_read_body(evcon, req);
@@ -1976,12 +2235,12 @@
 {
 	enum message_read_status res;
 
-	res = evhttp_parse_firstline(req, bufferevent_get_input(evcon->bufev));
+	res = evhttp_parse_firstline_(req, bufferevent_get_input(evcon->bufev));
 	if (res == DATA_CORRUPTED || res == DATA_TOO_LONG) {
 		/* Error while reading, terminate */
 		event_debug(("%s: bad header lines on "EV_SOCK_FMT"\n",
 			__func__, EV_SOCK_ARG(evcon->fd)));
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_INVALID_HEADER);
 		return;
 	} else if (res == MORE_DATA_EXPECTED) {
 		/* Need more header lines */
@@ -1999,20 +2258,25 @@
 	enum message_read_status res;
 	evutil_socket_t fd = evcon->fd;
 
-	res = evhttp_parse_headers(req, bufferevent_get_input(evcon->bufev));
+	res = evhttp_parse_headers_(req, bufferevent_get_input(evcon->bufev));
 	if (res == DATA_CORRUPTED || res == DATA_TOO_LONG) {
 		/* Error while reading, terminate */
 		event_debug(("%s: bad header lines on "EV_SOCK_FMT"\n",
 			__func__, EV_SOCK_ARG(fd)));
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_INVALID_HEADER);
 		return;
 	} else if (res == MORE_DATA_EXPECTED) {
 		/* Need more header lines */
 		return;
 	}
 
-	/* Disable reading for now */
-	bufferevent_disable(evcon->bufev, EV_READ);
+	/* Callback can shut down connection with negative return value */
+	if (req->header_cb != NULL) {
+		if ((*req->header_cb)(req, req->cb_arg) < 0) {
+			evhttp_connection_fail_(evcon, EVREQ_HTTP_EOF);
+			return;
+		}
+	}
 
 	/* Done reading headers, do the real work */
 	switch (req->kind) {
@@ -2026,7 +2290,9 @@
 	case EVHTTP_RESPONSE:
 		/* Start over if we got a 100 Continue response. */
 		if (req->response_code == 100) {
-			evhttp_start_read(evcon);
+			struct evbuffer *output = bufferevent_get_output(evcon->bufev);
+			evbuffer_add_buffer(output, req->output_buffer);
+			evhttp_start_write_(evcon);
 			return;
 		}
 		if (!evhttp_response_needs_body(req)) {
@@ -2046,7 +2312,7 @@
 	default:
 		event_warnx("%s: bad header on "EV_SOCK_FMT, __func__,
 		    EV_SOCK_ARG(fd));
-		evhttp_connection_fail(evcon, EVCON_HTTP_INVALID_HEADER);
+		evhttp_connection_fail_(evcon, EVREQ_HTTP_INVALID_HEADER);
 		break;
 	}
 	/* request may have been freed above */
@@ -2063,14 +2329,14 @@
  */
 
 struct evhttp_connection *
-evhttp_connection_new(const char *address, unsigned short port)
+evhttp_connection_new(const char *address, ev_uint16_t port)
 {
 	return (evhttp_connection_base_new(NULL, NULL, address, port));
 }
 
 struct evhttp_connection *
-evhttp_connection_base_new(struct event_base *base, struct evdns_base *dnsbase,
-    const char *address, unsigned short port)
+evhttp_connection_base_bufferevent_new(struct event_base *base, struct evdns_base *dnsbase, struct bufferevent* bev,
+    const char *address, ev_uint16_t port)
 {
 	struct evhttp_connection *evcon = NULL;
 
@@ -2087,7 +2353,7 @@
 	evcon->max_headers_size = EV_SIZE_MAX;
 	evcon->max_body_size = EV_SIZE_MAX;
 
-	evcon->timeout = -1;
+	evutil_timerclear(&evcon->timeout);
 	evcon->retry_cnt = evcon->retry_max = 0;
 
 	if ((evcon->address = mm_strdup(address)) == NULL) {
@@ -2095,27 +2361,35 @@
 		goto error;
 	}
 
-	if ((evcon->bufev = bufferevent_new(-1,
-		    evhttp_read_cb,
-		    evhttp_write_cb,
-		    evhttp_error_cb, evcon)) == NULL) {
-		event_warn("%s: bufferevent_new failed", __func__);
-		goto error;
+	if (bev == NULL) {
+		if (!(bev = bufferevent_socket_new(base, -1, 0))) {
+			event_warn("%s: bufferevent_socket_new failed", __func__);
+			goto error;
+		}
 	}
 
+	bufferevent_setcb(bev, evhttp_read_cb, evhttp_write_cb, evhttp_error_cb, evcon);
+	evcon->bufev = bev;
+
 	evcon->state = EVCON_DISCONNECTED;
 	TAILQ_INIT(&evcon->requests);
 
+	evcon->initial_retry_timeout.tv_sec = 2;
+	evcon->initial_retry_timeout.tv_usec = 0;
+
 	if (base != NULL) {
 		evcon->base = base;
-		bufferevent_base_set(base, evcon->bufev);
+		if (bufferevent_get_base(bev) != base)
+			bufferevent_base_set(base, evcon->bufev);
 	}
 
-
-	event_deferred_cb_init(&evcon->read_more_deferred_cb,
+	event_deferred_cb_init_(
+	    &evcon->read_more_deferred_cb,
+	    bufferevent_get_priority(bev),
 	    evhttp_deferred_read_cb, evcon);
 
 	evcon->dns_base = dnsbase;
+	evcon->ai_family = AF_UNSPEC;
 
 	return (evcon);
 
@@ -2125,12 +2399,46 @@
 	return (NULL);
 }
 
-struct bufferevent *
-evhttp_connection_get_bufferevent(struct evhttp_connection *evcon)
+struct bufferevent* evhttp_connection_get_bufferevent(struct evhttp_connection *evcon)
 {
 	return evcon->bufev;
 }
 
+struct evhttp *
+evhttp_connection_get_server(struct evhttp_connection *evcon)
+{
+	return evcon->http_server;
+}
+
+struct evhttp_connection *
+evhttp_connection_base_new(struct event_base *base, struct evdns_base *dnsbase,
+    const char *address, ev_uint16_t port)
+{
+	return evhttp_connection_base_bufferevent_new(base, dnsbase, NULL, address, port);
+}
+
+void evhttp_connection_set_family(struct evhttp_connection *evcon,
+	int family)
+{
+	evcon->ai_family = family;
+}
+
+int evhttp_connection_set_flags(struct evhttp_connection *evcon,
+	int flags)
+{
+	int avail_flags = 0;
+	avail_flags |= EVHTTP_CON_REUSE_CONNECTED_ADDR;
+	avail_flags |= EVHTTP_CON_READ_ON_WRITE_ERROR;
+
+	if (flags & ~avail_flags || flags > EVHTTP_CON_PUBLIC_FLAGS_END)
+		return 1;
+	evcon->flags &= ~avail_flags;
+
+	evcon->flags |= flags;
+
+	return 0;
+}
+
 void
 evhttp_connection_set_base(struct evhttp_connection *evcon,
     struct event_base *base)
@@ -2145,14 +2453,41 @@
 evhttp_connection_set_timeout(struct evhttp_connection *evcon,
     int timeout_in_secs)
 {
-	evcon->timeout = timeout_in_secs;
+	if (timeout_in_secs == -1)
+		evhttp_connection_set_timeout_tv(evcon, NULL);
+	else {
+		struct timeval tv;
+		tv.tv_sec = timeout_in_secs;
+		tv.tv_usec = 0;
+		evhttp_connection_set_timeout_tv(evcon, &tv);
+	}
+}
 
-	if (evcon->timeout == -1)
-		bufferevent_settimeout(evcon->bufev,
-		    HTTP_READ_TIMEOUT, HTTP_WRITE_TIMEOUT);
-	else
-		bufferevent_settimeout(evcon->bufev,
-		    evcon->timeout, evcon->timeout);
+void
+evhttp_connection_set_timeout_tv(struct evhttp_connection *evcon,
+    const struct timeval* tv)
+{
+	if (tv) {
+		evcon->timeout = *tv;
+		bufferevent_set_timeouts(evcon->bufev, &evcon->timeout, &evcon->timeout);
+	} else {
+		const struct timeval read_tv = { HTTP_READ_TIMEOUT, 0 };
+		const struct timeval write_tv = { HTTP_WRITE_TIMEOUT, 0 };
+		evutil_timerclear(&evcon->timeout);
+		bufferevent_set_timeouts(evcon->bufev, &read_tv, &write_tv);
+	}
+}
+
+void
+evhttp_connection_set_initial_retry_tv(struct evhttp_connection *evcon,
+    const struct timeval *tv)
+{
+	if (tv) {
+		evcon->initial_retry_timeout = *tv;
+	} else {
+		evutil_timerclear(&evcon->initial_retry_timeout);
+		evcon->initial_retry_timeout.tv_sec = 2;
+	}
 }
 
 void
@@ -2178,43 +2513,73 @@
 	*port = evcon->port;
 }
 
+const struct sockaddr*
+evhttp_connection_get_addr(struct evhttp_connection *evcon)
+{
+	return bufferevent_socket_get_conn_address_(evcon->bufev);
+}
+
 int
-evhttp_connection_connect(struct evhttp_connection *evcon)
+evhttp_connection_connect_(struct evhttp_connection *evcon)
 {
 	int old_state = evcon->state;
+	const char *address = evcon->address;
+	const struct sockaddr *sa = evhttp_connection_get_addr(evcon);
+	int ret;
 
 	if (evcon->state == EVCON_CONNECTING)
 		return (0);
 
-	evhttp_connection_reset(evcon);
+	evhttp_connection_reset_(evcon);
 
 	EVUTIL_ASSERT(!(evcon->flags & EVHTTP_CON_INCOMING));
 	evcon->flags |= EVHTTP_CON_OUTGOING;
 
-	evcon->fd = bind_socket(
-		evcon->bind_address, evcon->bind_port, 0 /*reuse*/);
-	if (evcon->fd == -1) {
-		event_debug(("%s: failed to bind to \"%s\"",
-			__func__, evcon->bind_address));
-		return (-1);
+	if (evcon->bind_address || evcon->bind_port) {
+		evcon->fd = bind_socket(
+			evcon->bind_address, evcon->bind_port, 0 /*reuse*/);
+		if (evcon->fd == -1) {
+			event_debug(("%s: failed to bind to \"%s\"",
+				__func__, evcon->bind_address));
+			return (-1);
+		}
+
+		bufferevent_setfd(evcon->bufev, evcon->fd);
+	} else {
+		bufferevent_setfd(evcon->bufev, -1);
 	}
 
 	/* Set up a callback for successful connection setup */
-	bufferevent_setfd(evcon->bufev, evcon->fd);
 	bufferevent_setcb(evcon->bufev,
 	    NULL /* evhttp_read_cb */,
 	    NULL /* evhttp_write_cb */,
 	    evhttp_connection_cb,
 	    evcon);
-	bufferevent_settimeout(evcon->bufev, 0,
-	    evcon->timeout != -1 ? evcon->timeout : HTTP_CONNECT_TIMEOUT);
+	if (!evutil_timerisset(&evcon->timeout)) {
+		const struct timeval conn_tv = { HTTP_CONNECT_TIMEOUT, 0 };
+		bufferevent_set_timeouts(evcon->bufev, &conn_tv, &conn_tv);
+	} else {
+		bufferevent_set_timeouts(evcon->bufev, &evcon->timeout, &evcon->timeout);
+	}
 	/* make sure that we get a write callback */
 	bufferevent_enable(evcon->bufev, EV_WRITE);
 
 	evcon->state = EVCON_CONNECTING;
 
-	if (bufferevent_socket_connect_hostname(evcon->bufev, evcon->dns_base,
-		AF_UNSPEC, evcon->address, evcon->port) < 0) {
+	if (evcon->flags & EVHTTP_CON_REUSE_CONNECTED_ADDR &&
+		sa &&
+		(sa->sa_family == AF_INET || sa->sa_family == AF_INET6)) {
+		int socklen = sizeof(struct sockaddr_in);
+		if (sa->sa_family == AF_INET6) {
+			socklen = sizeof(struct sockaddr_in6);
+		}
+		ret = bufferevent_socket_connect(evcon->bufev, sa, socklen);
+	} else {
+		ret = bufferevent_socket_connect_hostname(evcon->bufev,
+				evcon->dns_base, evcon->ai_family, address, evcon->port);
+	}
+
+	if (ret < 0) {
 		evcon->state = old_state;
 		event_sock_warn(evcon->fd, "%s: connection to \"%s\" failed",
 		    __func__, evcon->address);
@@ -2247,7 +2612,7 @@
 		mm_free(req->uri);
 	if ((req->uri = mm_strdup(uri)) == NULL) {
 		event_warn("%s: strdup", __func__);
-		evhttp_request_free(req);
+		evhttp_request_free_auto(req);
 		return (-1);
 	}
 
@@ -2261,17 +2626,17 @@
 	req->evcon = evcon;
 	EVUTIL_ASSERT(!(req->flags & EVHTTP_REQ_OWN_CONNECTION));
 
-       TAILQ_INSERT_TAIL(&evcon->requests, req, next);
+	TAILQ_INSERT_TAIL(&evcon->requests, req, next);
 
 	/* If the connection object is not connected; make it so */
 	if (!evhttp_connected(evcon)) {
-		int res = evhttp_connection_connect(evcon);
-	       /* evhttp_connection_fail(), which is called through
-		* evhttp_connection_connect(), assumes that req lies in
-		* evcon->requests.  Thus, enqueue the request in advance and r
-		* it in the error case. */
-	       if (res != 0)
-		       TAILQ_REMOVE(&evcon->requests, req, next);
+		int res = evhttp_connection_connect_(evcon);
+		/* evhttp_connection_fail_(), which is called through
+		 * evhttp_connection_connect_(), assumes that req lies in
+		 * evcon->requests.  Thus, enqueue the request in advance and
+		 * remove it in the error case. */
+		if (res != 0)
+			TAILQ_REMOVE(&evcon->requests, req, next);
 
 		return res;
 	}
@@ -2297,8 +2662,8 @@
 			/* it's currently being worked on, so reset
 			 * the connection.
 			 */
-			evhttp_connection_fail(evcon,
-			    EVCON_HTTP_REQUEST_CANCEL);
+			evhttp_connection_fail_(evcon,
+			    EVREQ_HTTP_REQUEST_CANCEL);
 
 			/* connection fail freed the request */
 			return;
@@ -2310,7 +2675,7 @@
 		}
 	}
 
-	evhttp_request_free(req);
+	evhttp_request_free_auto(req);
 }
 
 /*
@@ -2319,11 +2684,11 @@
  */
 
 void
-evhttp_start_read(struct evhttp_connection *evcon)
+evhttp_start_read_(struct evhttp_connection *evcon)
 {
-	/* Set up an event to read the headers */
 	bufferevent_disable(evcon->bufev, EV_WRITE);
 	bufferevent_enable(evcon->bufev, EV_READ);
+
 	evcon->state = EVCON_READING_FIRSTLINE;
 	/* Reset the bufferevent callbacks */
 	bufferevent_setcb(evcon->bufev,
@@ -2335,11 +2700,21 @@
 	/* If there's still data pending, process it next time through the
 	 * loop.  Don't do it now; that could get recusive. */
 	if (evbuffer_get_length(bufferevent_get_input(evcon->bufev))) {
-		event_deferred_cb_schedule(get_deferred_queue(evcon),
+		event_deferred_cb_schedule_(get_deferred_queue(evcon),
 		    &evcon->read_more_deferred_cb);
 	}
 }
 
+void
+evhttp_start_write_(struct evhttp_connection *evcon)
+{
+	bufferevent_disable(evcon->bufev, EV_WRITE);
+	bufferevent_enable(evcon->bufev, EV_READ);
+
+	evcon->state = EVCON_WRITING;
+	evhttp_write_buffer(evcon, evhttp_write_connectioncb, NULL);
+}
+
 static void
 evhttp_send_done(struct evhttp_connection *evcon, void *arg)
 {
@@ -2347,11 +2722,14 @@
 	struct evhttp_request *req = TAILQ_FIRST(&evcon->requests);
 	TAILQ_REMOVE(&evcon->requests, req, next);
 
+	if (req->on_complete_cb != NULL) {
+		req->on_complete_cb(req, req->on_complete_cb_arg);
+	}
+
 	need_close =
 	    (REQ_VERSION_BEFORE(req, 1, 1) &&
-		!evhttp_is_connection_keepalive(req->input_headers))||
-	    evhttp_is_connection_close(req->flags, req->input_headers) ||
-	    evhttp_is_connection_close(req->flags, req->output_headers);
+	    !evhttp_is_connection_keepalive(req->input_headers)) ||
+	    evhttp_is_request_connection_close(req);
 
 	EVUTIL_ASSERT(req->flags & EVHTTP_REQ_OWN_CONNECTION);
 	evhttp_request_free(req);
@@ -2391,11 +2769,11 @@
 		reason = evhttp_response_phrase_internal(error);
 	}
 
-	evhttp_response_code(req, error, reason);
+	evhttp_response_code_(req, error, reason);
 
 	evbuffer_add_printf(buf, ERR_FORMAT, error, reason, reason);
 
-	evhttp_send_page(req, buf);
+	evhttp_send_page_(req, buf);
 
 	evbuffer_free(buf);
 #undef ERR_FORMAT
@@ -2432,7 +2810,7 @@
 evhttp_send_reply(struct evhttp_request *req, int code, const char *reason,
     struct evbuffer *databuf)
 {
-	evhttp_response_code(req, code, reason);
+	evhttp_response_code_(req, code, reason);
 
 	evhttp_send(req, databuf);
 }
@@ -2441,7 +2819,7 @@
 evhttp_send_reply_start(struct evhttp_request *req, int code,
     const char *reason)
 {
-	evhttp_response_code(req, code, reason);
+	evhttp_response_code_(req, code, reason);
 	if (evhttp_find_header(req->output_headers, "Content-Length") == NULL &&
 	    REQ_VERSION_ATLEAST(req, 1, 1) &&
 	    evhttp_response_needs_body(req)) {
@@ -2461,7 +2839,8 @@
 }
 
 void
-evhttp_send_reply_chunk(struct evhttp_request *req, struct evbuffer *databuf)
+evhttp_send_reply_chunk_with_cb(struct evhttp_request *req, struct evbuffer *databuf,
+    void (*cb)(struct evhttp_connection *, void *), void *arg)
 {
 	struct evhttp_connection *evcon = req->evcon;
 	struct evbuffer *output;
@@ -2483,10 +2862,15 @@
 	if (req->chunked) {
 		evbuffer_add(output, "\r\n", 2);
 	}
-	evhttp_write_buffer(evcon, NULL, NULL);
+	evhttp_write_buffer(evcon, cb, arg);
 }
 
 void
+evhttp_send_reply_chunk(struct evhttp_request *req, struct evbuffer *databuf)
+{
+	evhttp_send_reply_chunk_with_cb(req, databuf, NULL, NULL);
+}
+void
 evhttp_send_reply_end(struct evhttp_request *req)
 {
 	struct evhttp_connection *evcon = req->evcon;
@@ -2607,7 +2991,7 @@
 }
 
 void
-evhttp_response_code(struct evhttp_request *req, int code, const char *reason)
+evhttp_response_code_(struct evhttp_request *req, int code, const char *reason)
 {
 	req->kind = EVHTTP_RESPONSE;
 	req->response_code = code;
@@ -2623,7 +3007,7 @@
 }
 
 void
-evhttp_send_page(struct evhttp_request *req, struct evbuffer *databuf)
+evhttp_send_page_(struct evhttp_request *req, struct evbuffer *databuf)
 {
 	if (!req->major || !req->minor) {
 		req->major = 1;
@@ -2631,7 +3015,7 @@
 	}
 
 	if (req->kind != EVHTTP_RESPONSE)
-		evhttp_response_code(req, 200, "OK");
+		evhttp_response_code_(req, 200, "OK");
 
 	evhttp_clear_headers(req->output_headers);
 	evhttp_add_header(req->output_headers, "Content-Type", "text/html");
@@ -2677,13 +3061,31 @@
 	const char *p, *end;
 	char *result;
 
-	if (buf == NULL)
+	if (buf == NULL) {
 		return (NULL);
+	}
 
-	if (len >= 0)
-		end = uri+len;
-	else
-		end = uri+strlen(uri);
+
+	if (len >= 0) {
+		if (uri + len < uri) {
+			return (NULL);
+		}
+
+		end = uri + len;
+	} else {
+		size_t slen = strlen(uri);
+
+		if (slen >= EV_SSIZE_MAX) {
+			/* we don't want to mix signed and unsigned */
+			return (NULL);
+		}
+
+		if (uri + slen < uri) {
+			return (NULL);
+		}
+
+		end = uri + slen;
+	}
 
 	for (p = uri; p < end; p++) {
 		if (CHAR_IS_UNRESERVED(*p)) {
@@ -2694,10 +3096,13 @@
 			evbuffer_add_printf(buf, "%%%02X", (unsigned char)(*p));
 		}
 	}
+
 	evbuffer_add(buf, "", 1); /* NUL-terminator. */
 	result = mm_malloc(evbuffer_get_length(buf));
+
 	if (result)
 		evbuffer_remove(buf, result, evbuffer_get_length(buf));
+
 	evbuffer_free(buf);
 
 	return (result);
@@ -2715,7 +3120,7 @@
  *     a ?.  -1 is deprecated.
  * @return the number of bytes written to 'ret'.
  */
-static int
+int
 evhttp_decode_uri_internal(
 	const char *uri, size_t length, char *ret, int decode_plus_ctl)
 {
@@ -2731,8 +3136,8 @@
 				decode_plus = 1;
 		} else if (c == '+' && decode_plus) {
 			c = ' ';
-		} else if (c == '%' && EVUTIL_ISXDIGIT(uri[i+1]) &&
-		    EVUTIL_ISXDIGIT(uri[i+2])) {
+		} else if ((i + 2) < length && c == '%' &&
+			EVUTIL_ISXDIGIT_(uri[i+1]) && EVUTIL_ISXDIGIT_(uri[i+2])) {
 			char tmp[3];
 			tmp[0] = uri[i+1];
 			tmp[1] = uri[i+2];
@@ -2920,7 +3325,7 @@
 		default:
 			if (c != *name) {
 				if (!ignorecase ||
-				    EVUTIL_TOLOWER(c) != EVUTIL_TOLOWER(*name))
+				    EVUTIL_TOLOWER_(c) != EVUTIL_TOLOWER_(*name))
 					return (0);
 			}
 			++name;
@@ -3012,7 +3417,7 @@
 	req->userdone = 0;
 
 	if (req->type == 0 || req->uri == NULL) {
-		evhttp_send_error(req, HTTP_BADREQUEST, NULL);
+		evhttp_send_error(req, req->response_code, NULL);
 		return;
 	}
 
@@ -3061,13 +3466,13 @@
 			return;
 		}
 
-		evhttp_response_code(req, HTTP_NOTFOUND, "Not Found");
+		evhttp_response_code_(req, HTTP_NOTFOUND, "Not Found");
 
 		evbuffer_add_printf(buf, ERR_FORMAT, escaped_html);
 
 		mm_free(escaped_html);
 
-		evhttp_send_page(req, buf);
+		evhttp_send_page_(req, buf);
 
 		evbuffer_free(buf);
 #undef ERR_FORMAT
@@ -3129,6 +3534,16 @@
 	return (0);
 }
 
+void
+evhttp_foreach_bound_socket(struct evhttp *http,
+                            evhttp_bound_socket_foreach_fn *function,
+                            void *argument)
+{
+	struct evhttp_bound_socket *bound;
+
+	TAILQ_FOREACH(bound, &http->sockets, next)
+		function(bound, argument);
+}
 
 struct evhttp_bound_socket *
 evhttp_accept_socket_with_handle(struct evhttp *http, evutil_socket_t fd)
@@ -3199,9 +3614,10 @@
 		return (NULL);
 	}
 
-	http->timeout = -1;
+	evutil_timerclear(&http->timeout);
 	evhttp_set_max_headers_size(http, EV_SIZE_MAX);
 	evhttp_set_max_body_size(http, EV_SIZE_MAX);
+	evhttp_set_default_content_type(http, "text/html; charset=ISO-8859-1");
 	evhttp_set_allowed_methods(http,
 	    EVHTTP_REQ_GET |
 	    EVHTTP_REQ_POST |
@@ -3236,7 +3652,7 @@
  */
 
 struct evhttp *
-evhttp_start(const char *address, unsigned short port)
+evhttp_start(const char *address, ev_uint16_t port)
 {
 	struct evhttp *http = NULL;
 
@@ -3370,7 +3786,38 @@
 void
 evhttp_set_timeout(struct evhttp* http, int timeout_in_secs)
 {
-	http->timeout = timeout_in_secs;
+	if (timeout_in_secs == -1) {
+		evhttp_set_timeout_tv(http, NULL);
+	} else {
+		struct timeval tv;
+		tv.tv_sec = timeout_in_secs;
+		tv.tv_usec = 0;
+		evhttp_set_timeout_tv(http, &tv);
+	}
+}
+
+void
+evhttp_set_timeout_tv(struct evhttp* http, const struct timeval* tv)
+{
+	if (tv) {
+		http->timeout = *tv;
+	} else {
+		evutil_timerclear(&http->timeout);
+	}
+}
+
+int evhttp_set_flags(struct evhttp *http, int flags)
+{
+	int avail_flags = 0;
+	avail_flags |= EVHTTP_SERVER_LINGERING_CLOSE;
+
+	if (flags & ~avail_flags)
+		return 1;
+	http->flags &= ~avail_flags;
+
+	http->flags |= flags;
+
+	return 0;
 }
 
 void
@@ -3392,6 +3839,12 @@
 }
 
 void
+evhttp_set_default_content_type(struct evhttp *http,
+	const char *content_type) {
+	http->default_content_type = content_type;
+}
+
+void
 evhttp_set_allowed_methods(struct evhttp* http, ev_uint16_t methods)
 {
 	http->allowed_methods = methods;
@@ -3454,6 +3907,14 @@
 	http->gencbarg = cbarg;
 }
 
+void
+evhttp_set_bevcb(struct evhttp *http,
+    struct bufferevent* (*cb)(struct event_base *, void *), void *cbarg)
+{
+	http->bevcb = cb;
+	http->bevcbarg = cbarg;
+}
+
 /*
  * Request related functions
  */
@@ -3573,6 +4034,28 @@
 	req->chunk_cb = cb;
 }
 
+void
+evhttp_request_set_header_cb(struct evhttp_request *req,
+    int (*cb)(struct evhttp_request *, void *))
+{
+	req->header_cb = cb;
+}
+
+void
+evhttp_request_set_error_cb(struct evhttp_request *req,
+    void (*cb)(enum evhttp_request_error, void *))
+{
+	req->error_cb = cb;
+}
+
+void
+evhttp_request_set_on_complete_cb(struct evhttp_request *req,
+    void (*cb)(struct evhttp_request *, void *), void *cb_arg)
+{
+	req->on_complete_cb = cb;
+	req->on_complete_cb_arg = cb_arg;
+}
+
 /*
  * Allows for inspection of the request URI
  */
@@ -3611,7 +4094,7 @@
 		   to be consistent with uri_elems case above. */
 		if (host) {
 			p = host + strlen(host) - 1;
-			while (p > host && EVUTIL_ISDIGIT(*p))
+			while (p > host && EVUTIL_ISDIGIT_(*p))
 				--p;
 			if (p > host && *p == ':') {
 				len = p - host;
@@ -3641,6 +4124,12 @@
 	return req->response_code;
 }
 
+const char *
+evhttp_request_get_response_code_line(const struct evhttp_request *req)
+{
+	return req->response_code_line;
+}
+
 /** Returns the input headers */
 struct evkeyvalq *evhttp_request_get_input_headers(struct evhttp_request *req)
 {
@@ -3678,6 +4167,7 @@
 {
 	struct evhttp_connection *evcon;
 	char *hostname = NULL, *portname = NULL;
+	struct bufferevent* bev = NULL;
 
 	name_from_addr(sa, salen, &hostname, &portname);
 	if (hostname == NULL || portname == NULL) {
@@ -3690,8 +4180,11 @@
 		__func__, hostname, portname, EV_SOCK_ARG(fd)));
 
 	/* we need a connection object to put the http request on */
-	evcon = evhttp_connection_base_new(
-		http->base, NULL, hostname, atoi(portname));
+	if (http->bevcb != NULL) {
+		bev = (*http->bevcb)(http->base, http->bevcbarg);
+	}
+	evcon = evhttp_connection_base_bufferevent_new(
+		http->base, NULL, bev, hostname, atoi(portname));
 	mm_free(hostname);
 	mm_free(portname);
 	if (evcon == NULL)
@@ -3699,12 +4192,16 @@
 
 	evcon->max_headers_size = http->default_max_headers_size;
 	evcon->max_body_size = http->default_max_body_size;
+	if (http->flags & EVHTTP_SERVER_LINGERING_CLOSE)
+		evcon->flags |= EVHTTP_CON_LINGERING_CLOSE;
 
 	evcon->flags |= EVHTTP_CON_INCOMING;
 	evcon->state = EVCON_READING_FIRSTLINE;
 
 	evcon->fd = fd;
 
+	bufferevent_enable(evcon->bufev, EV_READ);
+	bufferevent_disable(evcon->bufev, EV_WRITE);
 	bufferevent_setfd(evcon->bufev, fd);
 
 	return (evcon);
@@ -3740,7 +4237,7 @@
 	req->kind = EVHTTP_REQUEST;
 
 
-	evhttp_start_read(evcon);
+	evhttp_start_read_(evcon);
 
 	return (0);
 }
@@ -3760,8 +4257,8 @@
 	}
 
 	/* the timeout can be used by the server to close idle connections */
-	if (http->timeout != -1)
-		evhttp_connection_set_timeout(evcon, http->timeout);
+	if (evutil_timerisset(&http->timeout))
+		evhttp_connection_set_timeout_tv(evcon, &http->timeout);
 
 	/*
 	 * if we want to accept more than one request on a connection,
@@ -3788,7 +4285,7 @@
 	char strport[NI_MAXSERV];
 	int ni_result;
 
-#ifdef _EVENT_HAVE_GETNAMEINFO
+#ifdef EVENT__HAVE_GETNAMEINFO
 	ni_result = getnameinfo(sa, salen,
 		ntop, sizeof(ntop), strport, sizeof(strport),
 		NI_NUMERICHOST|NI_NUMERICSERV);
@@ -3826,17 +4323,13 @@
 	int serrno;
 
 	/* Create listen socket */
-	fd = socket(ai ? ai->ai_family : AF_INET, SOCK_STREAM, 0);
+	fd = evutil_socket_(ai ? ai->ai_family : AF_INET,
+	    SOCK_STREAM|EVUTIL_SOCK_NONBLOCK|EVUTIL_SOCK_CLOEXEC, 0);
 	if (fd == -1) {
 			event_sock_warn(-1, "socket");
 			return (-1);
 	}
 
-	if (evutil_make_socket_nonblocking(fd) < 0)
-		goto out;
-	if (evutil_make_socket_closeonexec(fd) < 0)
-		goto out;
-
 	if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on))<0)
 		goto out;
 	if (reuse) {
@@ -3946,10 +4439,10 @@
 	EVUTIL_ASSERT(eos >= s);
 	if (s == eos)
 		return 0;
-	if (!EVUTIL_ISALPHA(*s))
+	if (!EVUTIL_ISALPHA_(*s))
 		return 0;
 	while (++s < eos) {
-		if (! EVUTIL_ISALNUM(*s) &&
+		if (! EVUTIL_ISALNUM_(*s) &&
 		    *s != '+' && *s != '-' && *s != '.')
 			return 0;
 	}
@@ -3968,8 +4461,8 @@
 		    *s == ':')
 			++s;
 		else if (*s == '%' && s+2 < eos &&
-		    EVUTIL_ISXDIGIT(s[1]) &&
-		    EVUTIL_ISXDIGIT(s[2]))
+		    EVUTIL_ISXDIGIT_(s[1]) &&
+		    EVUTIL_ISXDIGIT_(s[2]))
 			s += 3;
 		else
 			return 0;
@@ -3985,8 +4478,8 @@
 		    strchr(SUBDELIMS, *s))
 			++s;
 		else if (*s == '%' &&
-		    EVUTIL_ISXDIGIT(s[1]) &&
-		    EVUTIL_ISXDIGIT(s[2]))
+		    EVUTIL_ISXDIGIT_(s[1]) &&
+		    EVUTIL_ISXDIGIT_(s[2]))
 			s += 3;
 		else
 			return 0;
@@ -3999,11 +4492,13 @@
 {
 	int portnum = 0;
 	while (s < eos) {
-		if (! EVUTIL_ISDIGIT(*s))
+		if (! EVUTIL_ISDIGIT_(*s))
 			return -1;
 		portnum = (portnum * 10) + (*s - '0');
 		if (portnum < 0)
 			return -1;
+		if (portnum > 65535)
+			return -1;
 		++s;
 	}
 	return portnum;
@@ -4021,10 +4516,10 @@
 		 */
 		s += 2; /* skip [v */
 		--eos;
-		if (!EVUTIL_ISXDIGIT(*s)) /*require at least one*/
+		if (!EVUTIL_ISXDIGIT_(*s)) /*require at least one*/
 			return 0;
 		while (s < eos && *s != '.') {
-			if (EVUTIL_ISXDIGIT(*s))
+			if (EVUTIL_ISXDIGIT_(*s))
 				++s;
 			else
 				return 0;
@@ -4084,7 +4579,7 @@
 		cp = s;
 	}
 	/* Optionally, we end with ":port" */
-	for (port=eos-1; port >= cp && EVUTIL_ISDIGIT(*port); --port)
+	for (port=eos-1; port >= cp && EVUTIL_ISDIGIT_(*port); --port)
 		;
 	if (port >= cp && *port == ':') {
 		if (port+1 == eos) /* Leave port unspecified; the RFC allows a
@@ -4168,8 +4663,8 @@
 		    strchr(SUBDELIMS, *cp) ||
 		    *cp == ':' || *cp == '@' || *cp == '/')
 			++cp;
-		else if (*cp == '%' && EVUTIL_ISXDIGIT(cp[1]) &&
-		    EVUTIL_ISXDIGIT(cp[2]))
+		else if (*cp == '%' && EVUTIL_ISXDIGIT_(cp[1]) &&
+		    EVUTIL_ISXDIGIT_(cp[2]))
 			cp += 3;
 		else if (*cp == '?' && part != PART_PATH)
 			++cp;
@@ -4329,20 +4824,20 @@
 void
 evhttp_uri_free(struct evhttp_uri *uri)
 {
-#define _URI_FREE_STR(f)		\
+#define URI_FREE_STR_(f)		\
 	if (uri->f) {			\
 		mm_free(uri->f);		\
 	}
 
-	_URI_FREE_STR(scheme);
-	_URI_FREE_STR(userinfo);
-	_URI_FREE_STR(host);
-	_URI_FREE_STR(path);
-	_URI_FREE_STR(query);
-	_URI_FREE_STR(fragment);
+	URI_FREE_STR_(scheme);
+	URI_FREE_STR_(userinfo);
+	URI_FREE_STR_(host);
+	URI_FREE_STR_(path);
+	URI_FREE_STR_(query);
+	URI_FREE_STR_(fragment);
 
 	mm_free(uri);
-#undef _URI_FREE_STR
+#undef URI_FREE_STR_
 }
 
 char *
@@ -4352,7 +4847,7 @@
 	size_t joined_size = 0;
 	char *output = NULL;
 
-#define _URI_ADD(f)	evbuffer_add(tmp, uri->f, strlen(uri->f))
+#define URI_ADD_(f)	evbuffer_add(tmp, uri->f, strlen(uri->f))
 
 	if (!uri || !buf || !limit)
 		return NULL;
@@ -4362,14 +4857,14 @@
 		return NULL;
 
 	if (uri->scheme) {
-		_URI_ADD(scheme);
+		URI_ADD_(scheme);
 		evbuffer_add(tmp, ":", 1);
 	}
 	if (uri->host) {
 		evbuffer_add(tmp, "//", 2);
 		if (uri->userinfo)
 			evbuffer_add_printf(tmp,"%s@", uri->userinfo);
-		_URI_ADD(host);
+		URI_ADD_(host);
 		if (uri->port >= 0)
 			evbuffer_add_printf(tmp,":%d", uri->port);
 
@@ -4378,16 +4873,16 @@
 	}
 
 	if (uri->path)
-		_URI_ADD(path);
+		URI_ADD_(path);
 
 	if (uri->query) {
 		evbuffer_add(tmp, "?", 1);
-		_URI_ADD(query);
+		URI_ADD_(query);
 	}
 
 	if (uri->fragment) {
 		evbuffer_add(tmp, "#", 1);
-		_URI_ADD(fragment);
+		URI_ADD_(fragment);
 	}
 
 	evbuffer_add(tmp, "\0", 1); /* NUL */
@@ -4406,7 +4901,7 @@
 	evbuffer_free(tmp);
 
 	return output;
-#undef _URI_ADD
+#undef URI_ADD_
 }
 
 const char *
@@ -4445,7 +4940,7 @@
 	return uri->fragment;
 }
 
-#define _URI_SET_STR(f) do {					\
+#define URI_SET_STR_(f) do {					\
 	if (uri->f)						\
 		mm_free(uri->f);				\
 	if (f) {						\
@@ -4464,7 +4959,7 @@
 	if (scheme && !scheme_ok(scheme, scheme+strlen(scheme)))
 		return -1;
 
-	_URI_SET_STR(scheme);
+	URI_SET_STR_(scheme);
 	return 0;
 }
 int
@@ -4472,7 +4967,7 @@
 {
 	if (userinfo && !userinfo_ok(userinfo, userinfo+strlen(userinfo)))
 		return -1;
-	_URI_SET_STR(userinfo);
+	URI_SET_STR_(userinfo);
 	return 0;
 }
 int
@@ -4488,7 +4983,7 @@
 		}
 	}
 
-	_URI_SET_STR(host);
+	URI_SET_STR_(host);
 	return 0;
 }
 int
@@ -4508,7 +5003,7 @@
 	if (path && end_of_cpath(path, PART_PATH, uri->flags) != path+strlen(path))
 		return -1;
 
-	_URI_SET_STR(path);
+	URI_SET_STR_(path);
 	return 0;
 }
 int
@@ -4516,7 +5011,7 @@
 {
 	if (query && end_of_cpath(query, PART_QUERY, uri->flags) != query+strlen(query))
 		return -1;
-	_URI_SET_STR(query);
+	URI_SET_STR_(query);
 	return 0;
 }
 int
@@ -4524,6 +5019,6 @@
 {
 	if (fragment && end_of_cpath(fragment, PART_FRAGMENT, uri->flags) != fragment+strlen(fragment))
 		return -1;
-	_URI_SET_STR(fragment);
+	URI_SET_STR_(fragment);
 	return 0;
 }
diff --git a/include/Makefile.am b/include/Makefile.am
deleted file mode 100644
index 5153db2..0000000
--- a/include/Makefile.am
+++ /dev/null
@@ -1,47 +0,0 @@
-# include/Makefile.am for libevent
-# Copyright 2000-2007 Niels Provos
-# Copyright 2007-2012 Niels Provos and Nick Mathewson
-#
-# See LICENSE for copying information.
-
-AUTOMAKE_OPTIONS = foreign
-
-EVENT2_EXPORT = \
-	event2/buffer.h \
-	event2/buffer_compat.h \
-	event2/bufferevent.h \
-	event2/bufferevent_compat.h \
-	event2/bufferevent_ssl.h \
-	event2/bufferevent_struct.h \
-	event2/dns.h \
-	event2/dns_compat.h \
-	event2/dns_struct.h \
-	event2/event.h \
-	event2/event_compat.h \
-	event2/event_struct.h \
-	event2/http.h \
-	event2/http_compat.h \
-	event2/http_struct.h \
-	event2/keyvalq_struct.h \
-	event2/listener.h \
-	event2/rpc.h \
-	event2/rpc_compat.h \
-	event2/rpc_struct.h \
-	event2/tag.h \
-	event2/tag_compat.h \
-	event2/thread.h \
-	event2/util.h
-
-EXTRA_SRC = $(EVENT2_EXPORT)
-
-## Without the nobase_ prefixing, Automake would strip "event2/" from
-## the source header filename to derive the installed header filename.
-## With nobase_ the installed path is $(includedir)/event2/ev*.h.
-
-if INSTALL_LIBEVENT
-nobase_include_HEADERS =	$(EVENT2_EXPORT)
-nobase_nodist_include_HEADERS = ./event2/event-config.h
-else
-noinst_HEADERS =		$(EVENT2_EXPORT)
-nodist_noinst_HEADERS =		./event2/event-config.h
-endif
diff --git a/include/Makefile.in b/include/Makefile.in
deleted file mode 100644
index ce0a2b9..0000000
--- a/include/Makefile.in
+++ /dev/null
@@ -1,598 +0,0 @@
-# Makefile.in generated by automake 1.12.2 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2012 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# include/Makefile.am for libevent
-# Copyright 2000-2007 Niels Provos
-# Copyright 2007-2012 Niels Provos and Nick Mathewson
-#
-# See LICENSE for copying information.
-
-VPATH = @srcdir@
-am__make_dryrun = \
-  { \
-    am__dry=no; \
-    case $$MAKEFLAGS in \
-      *\\[\ \	]*) \
-        echo 'am--echo: ; @echo "AM"  OK' | $(MAKE) -f - 2>/dev/null \
-          | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
-      *) \
-        for am__flg in $$MAKEFLAGS; do \
-          case $$am__flg in \
-            *=*|--*) ;; \
-            *n*) am__dry=yes; break;; \
-          esac; \
-        done;; \
-    esac; \
-    test $$am__dry = yes; \
-  }
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_triplet = @build@
-host_triplet = @host@
-subdir = include
-DIST_COMMON = $(am__nobase_include_HEADERS_DIST) \
-	$(am__noinst_HEADERS_DIST) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/m4/ac_backport_259_ssizet.m4 \
-	$(top_srcdir)/m4/acx_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
-	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
-	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-mkinstalldirs = $(install_sh) -d
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
-CONFIG_CLEAN_VPATH_FILES =
-SOURCES =
-DIST_SOURCES =
-am__can_run_installinfo = \
-  case $$AM_UPDATE_INFO_DIR in \
-    n|no|NO) false;; \
-    *) (install-info --version) >/dev/null 2>&1;; \
-  esac
-am__nobase_include_HEADERS_DIST = event2/buffer.h \
-	event2/buffer_compat.h event2/bufferevent.h \
-	event2/bufferevent_compat.h event2/bufferevent_ssl.h \
-	event2/bufferevent_struct.h event2/dns.h event2/dns_compat.h \
-	event2/dns_struct.h event2/event.h event2/event_compat.h \
-	event2/event_struct.h event2/http.h event2/http_compat.h \
-	event2/http_struct.h event2/keyvalq_struct.h event2/listener.h \
-	event2/rpc.h event2/rpc_compat.h event2/rpc_struct.h \
-	event2/tag.h event2/tag_compat.h event2/thread.h event2/util.h
-am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
-am__vpath_adj = case $$p in \
-    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
-    *) f=$$p;; \
-  esac;
-am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
-am__install_max = 40
-am__nobase_strip_setup = \
-  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
-am__nobase_strip = \
-  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
-am__nobase_list = $(am__nobase_strip_setup); \
-  for p in $$list; do echo "$$p $$p"; done | \
-  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
-  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
-    if (++n[$$2] == $(am__install_max)) \
-      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
-    END { for (dir in files) print dir, files[dir] }'
-am__base_list = \
-  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
-  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
-am__uninstall_files_from_dir = { \
-  test -z "$$files" \
-    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
-    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
-         $(am__cd) "$$dir" && rm -f $$files; }; \
-  }
-am__installdirs = "$(DESTDIR)$(includedir)" "$(DESTDIR)$(includedir)"
-am__noinst_HEADERS_DIST = event2/buffer.h event2/buffer_compat.h \
-	event2/bufferevent.h event2/bufferevent_compat.h \
-	event2/bufferevent_ssl.h event2/bufferevent_struct.h \
-	event2/dns.h event2/dns_compat.h event2/dns_struct.h \
-	event2/event.h event2/event_compat.h event2/event_struct.h \
-	event2/http.h event2/http_compat.h event2/http_struct.h \
-	event2/keyvalq_struct.h event2/listener.h event2/rpc.h \
-	event2/rpc_compat.h event2/rpc_struct.h event2/tag.h \
-	event2/tag_compat.h event2/thread.h event2/util.h
-HEADERS = $(nobase_include_HEADERS) $(nobase_nodist_include_HEADERS) \
-	$(nodist_noinst_HEADERS) $(noinst_HEADERS)
-ETAGS = etags
-CTAGS = ctags
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-ACLOCAL = @ACLOCAL@
-AMTAR = @AMTAR@
-AR = @AR@
-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
-AUTOMAKE = @AUTOMAKE@
-AWK = @AWK@
-CC = @CC@
-CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
-CPP = @CPP@
-CPPFLAGS = @CPPFLAGS@
-CYGPATH_W = @CYGPATH_W@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-DLLTOOL = @DLLTOOL@
-DSYMUTIL = @DSYMUTIL@
-DUMPBIN = @DUMPBIN@
-ECHO_C = @ECHO_C@
-ECHO_N = @ECHO_N@
-ECHO_T = @ECHO_T@
-EGREP = @EGREP@
-EV_LIB_GDI = @EV_LIB_GDI@
-EV_LIB_WS32 = @EV_LIB_WS32@
-EXEEXT = @EXEEXT@
-FGREP = @FGREP@
-GREP = @GREP@
-INSTALL = @INSTALL@
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
-LD = @LD@
-LDFLAGS = @LDFLAGS@
-LIBEVENT_GC_SECTIONS = @LIBEVENT_GC_SECTIONS@
-LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
-LIBTOOL = @LIBTOOL@
-LIBTOOL_DEPS = @LIBTOOL_DEPS@
-LIPO = @LIPO@
-LN_S = @LN_S@
-LTLIBOBJS = @LTLIBOBJS@
-MAKEINFO = @MAKEINFO@
-MANIFEST_TOOL = @MANIFEST_TOOL@
-MKDIR_P = @MKDIR_P@
-NM = @NM@
-NMEDIT = @NMEDIT@
-OBJDUMP = @OBJDUMP@
-OBJEXT = @OBJEXT@
-OPENSSL_LIBADD = @OPENSSL_LIBADD@
-OPENSSL_LIBS = @OPENSSL_LIBS@
-OTOOL = @OTOOL@
-OTOOL64 = @OTOOL64@
-PACKAGE = @PACKAGE@
-PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
-PACKAGE_NAME = @PACKAGE_NAME@
-PACKAGE_STRING = @PACKAGE_STRING@
-PACKAGE_TARNAME = @PACKAGE_TARNAME@
-PACKAGE_URL = @PACKAGE_URL@
-PACKAGE_VERSION = @PACKAGE_VERSION@
-PATH_SEPARATOR = @PATH_SEPARATOR@
-PTHREAD_CC = @PTHREAD_CC@
-PTHREAD_CFLAGS = @PTHREAD_CFLAGS@
-PTHREAD_LIBS = @PTHREAD_LIBS@
-RANLIB = @RANLIB@
-SED = @SED@
-SET_MAKE = @SET_MAKE@
-SHELL = @SHELL@
-STRIP = @STRIP@
-VERSION = @VERSION@
-ZLIB_LIBS = @ZLIB_LIBS@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
-ac_ct_AR = @ac_ct_AR@
-ac_ct_CC = @ac_ct_CC@
-ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
-acx_pthread_config = @acx_pthread_config@
-am__include = @am__include@
-am__leading_dot = @am__leading_dot@
-am__quote = @am__quote@
-am__tar = @am__tar@
-am__untar = @am__untar@
-bindir = @bindir@
-build = @build@
-build_alias = @build_alias@
-build_cpu = @build_cpu@
-build_os = @build_os@
-build_vendor = @build_vendor@
-builddir = @builddir@
-datadir = @datadir@
-datarootdir = @datarootdir@
-docdir = @docdir@
-dvidir = @dvidir@
-exec_prefix = @exec_prefix@
-host = @host@
-host_alias = @host_alias@
-host_cpu = @host_cpu@
-host_os = @host_os@
-host_vendor = @host_vendor@
-htmldir = @htmldir@
-includedir = @includedir@
-infodir = @infodir@
-install_sh = @install_sh@
-libdir = @libdir@
-libexecdir = @libexecdir@
-localedir = @localedir@
-localstatedir = @localstatedir@
-mandir = @mandir@
-mkdir_p = @mkdir_p@
-oldincludedir = @oldincludedir@
-pdfdir = @pdfdir@
-prefix = @prefix@
-program_transform_name = @program_transform_name@
-psdir = @psdir@
-sbindir = @sbindir@
-sharedstatedir = @sharedstatedir@
-srcdir = @srcdir@
-sysconfdir = @sysconfdir@
-target_alias = @target_alias@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
-AUTOMAKE_OPTIONS = foreign
-EVENT2_EXPORT = \
-	event2/buffer.h \
-	event2/buffer_compat.h \
-	event2/bufferevent.h \
-	event2/bufferevent_compat.h \
-	event2/bufferevent_ssl.h \
-	event2/bufferevent_struct.h \
-	event2/dns.h \
-	event2/dns_compat.h \
-	event2/dns_struct.h \
-	event2/event.h \
-	event2/event_compat.h \
-	event2/event_struct.h \
-	event2/http.h \
-	event2/http_compat.h \
-	event2/http_struct.h \
-	event2/keyvalq_struct.h \
-	event2/listener.h \
-	event2/rpc.h \
-	event2/rpc_compat.h \
-	event2/rpc_struct.h \
-	event2/tag.h \
-	event2/tag_compat.h \
-	event2/thread.h \
-	event2/util.h
-
-EXTRA_SRC = $(EVENT2_EXPORT)
-@INSTALL_LIBEVENT_TRUE@nobase_include_HEADERS = $(EVENT2_EXPORT)
-@INSTALL_LIBEVENT_TRUE@nobase_nodist_include_HEADERS = ./event2/event-config.h
-@INSTALL_LIBEVENT_FALSE@noinst_HEADERS = $(EVENT2_EXPORT)
-@INSTALL_LIBEVENT_FALSE@nodist_noinst_HEADERS = ./event2/event-config.h
-all: all-am
-
-.SUFFIXES:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
-	@for dep in $?; do \
-	  case '$(am__configure_deps)' in \
-	    *$$dep*) \
-	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
-	        && { if test -f $@; then exit 0; else break; fi; }; \
-	      exit 1;; \
-	  esac; \
-	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign include/Makefile'; \
-	$(am__cd) $(top_srcdir) && \
-	  $(AUTOMAKE) --foreign include/Makefile
-.PRECIOUS: Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-	@case '$?' in \
-	  *config.status*) \
-	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
-	esac;
-
-$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-
-$(top_srcdir)/configure:  $(am__configure_deps)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(am__aclocal_m4_deps):
-
-mostlyclean-libtool:
-	-rm -f *.lo
-
-clean-libtool:
-	-rm -rf .libs _libs
-install-nobase_includeHEADERS: $(nobase_include_HEADERS)
-	@$(NORMAL_INSTALL)
-	@list='$(nobase_include_HEADERS)'; test -n "$(includedir)" || list=; \
-	if test -n "$$list"; then \
-	  echo " $(MKDIR_P) '$(DESTDIR)$(includedir)'"; \
-	  $(MKDIR_P) "$(DESTDIR)$(includedir)" || exit 1; \
-	fi; \
-	$(am__nobase_list) | while read dir files; do \
-	  xfiles=; for file in $$files; do \
-	    if test -f "$$file"; then xfiles="$$xfiles $$file"; \
-	    else xfiles="$$xfiles $(srcdir)/$$file"; fi; done; \
-	  test -z "$$xfiles" || { \
-	    test "x$$dir" = x. || { \
-	      echo " $(MKDIR_P) '$(DESTDIR)$(includedir)/$$dir'"; \
-	      $(MKDIR_P) "$(DESTDIR)$(includedir)/$$dir"; }; \
-	    echo " $(INSTALL_HEADER) $$xfiles '$(DESTDIR)$(includedir)/$$dir'"; \
-	    $(INSTALL_HEADER) $$xfiles "$(DESTDIR)$(includedir)/$$dir" || exit $$?; }; \
-	done
-
-uninstall-nobase_includeHEADERS:
-	@$(NORMAL_UNINSTALL)
-	@list='$(nobase_include_HEADERS)'; test -n "$(includedir)" || list=; \
-	$(am__nobase_strip_setup); files=`$(am__nobase_strip)`; \
-	dir='$(DESTDIR)$(includedir)'; $(am__uninstall_files_from_dir)
-install-nobase_nodist_includeHEADERS: $(nobase_nodist_include_HEADERS)
-	@$(NORMAL_INSTALL)
-	@list='$(nobase_nodist_include_HEADERS)'; test -n "$(includedir)" || list=; \
-	if test -n "$$list"; then \
-	  echo " $(MKDIR_P) '$(DESTDIR)$(includedir)'"; \
-	  $(MKDIR_P) "$(DESTDIR)$(includedir)" || exit 1; \
-	fi; \
-	$(am__nobase_list) | while read dir files; do \
-	  xfiles=; for file in $$files; do \
-	    if test -f "$$file"; then xfiles="$$xfiles $$file"; \
-	    else xfiles="$$xfiles $(srcdir)/$$file"; fi; done; \
-	  test -z "$$xfiles" || { \
-	    test "x$$dir" = x. || { \
-	      echo " $(MKDIR_P) '$(DESTDIR)$(includedir)/$$dir'"; \
-	      $(MKDIR_P) "$(DESTDIR)$(includedir)/$$dir"; }; \
-	    echo " $(INSTALL_HEADER) $$xfiles '$(DESTDIR)$(includedir)/$$dir'"; \
-	    $(INSTALL_HEADER) $$xfiles "$(DESTDIR)$(includedir)/$$dir" || exit $$?; }; \
-	done
-
-uninstall-nobase_nodist_includeHEADERS:
-	@$(NORMAL_UNINSTALL)
-	@list='$(nobase_nodist_include_HEADERS)'; test -n "$(includedir)" || list=; \
-	$(am__nobase_strip_setup); files=`$(am__nobase_strip)`; \
-	dir='$(DESTDIR)$(includedir)'; $(am__uninstall_files_from_dir)
-
-ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	mkid -fID $$unique
-tags: TAGS
-
-TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	set x; \
-	here=`pwd`; \
-	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	shift; \
-	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
-	  test -n "$$unique" || unique=$$empty_fix; \
-	  if test $$# -gt 0; then \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      "$$@" $$unique; \
-	  else \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      $$unique; \
-	  fi; \
-	fi
-ctags: CTAGS
-CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	test -z "$(CTAGS_ARGS)$$unique" \
-	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-	     $$unique
-
-GTAGS:
-	here=`$(am__cd) $(top_builddir) && pwd` \
-	  && $(am__cd) $(top_srcdir) \
-	  && gtags -i $(GTAGS_ARGS) "$$here"
-
-cscopelist:  $(HEADERS) $(SOURCES) $(LISP)
-	list='$(SOURCES) $(HEADERS) $(LISP)'; \
-	case "$(srcdir)" in \
-	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
-	  *) sdir=$(subdir)/$(srcdir) ;; \
-	esac; \
-	for i in $$list; do \
-	  if test -f "$$i"; then \
-	    echo "$(subdir)/$$i"; \
-	  else \
-	    echo "$$sdir/$$i"; \
-	  fi; \
-	done >> $(top_builddir)/cscope.files
-
-distclean-tags:
-	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-
-distdir: $(DISTFILES)
-	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-	list='$(DISTFILES)'; \
-	  dist_files=`for file in $$list; do echo $$file; done | \
-	  sed -e "s|^$$srcdirstrip/||;t" \
-	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
-	case $$dist_files in \
-	  */*) $(MKDIR_P) `echo "$$dist_files" | \
-			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
-			   sort -u` ;; \
-	esac; \
-	for file in $$dist_files; do \
-	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
-	  if test -d $$d/$$file; then \
-	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
-	    if test -d "$(distdir)/$$file"; then \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
-	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
-	    fi; \
-	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
-	  else \
-	    test -f "$(distdir)/$$file" \
-	    || cp -p $$d/$$file "$(distdir)/$$file" \
-	    || exit 1; \
-	  fi; \
-	done
-check-am: all-am
-check: check-am
-all-am: Makefile $(HEADERS)
-installdirs:
-	for dir in "$(DESTDIR)$(includedir)" "$(DESTDIR)$(includedir)"; do \
-	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
-	done
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
-	if test -z '$(STRIP)'; then \
-	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	      install; \
-	else \
-	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
-	fi
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic clean-libtool mostlyclean-am
-
-distclean: distclean-am
-	-rm -f Makefile
-distclean-am: clean-am distclean-generic distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
-
-info: info-am
-
-info-am:
-
-install-data-am: install-nobase_includeHEADERS \
-	install-nobase_nodist_includeHEADERS
-
-install-dvi: install-dvi-am
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-am
-
-install-html-am:
-
-install-info: install-info-am
-
-install-info-am:
-
-install-man:
-
-install-pdf: install-pdf-am
-
-install-pdf-am:
-
-install-ps: install-ps-am
-
-install-ps-am:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-generic mostlyclean-libtool
-
-pdf: pdf-am
-
-pdf-am:
-
-ps: ps-am
-
-ps-am:
-
-uninstall-am: uninstall-nobase_includeHEADERS \
-	uninstall-nobase_nodist_includeHEADERS
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
-	clean-libtool cscopelist ctags distclean distclean-generic \
-	distclean-libtool distclean-tags distdir dvi dvi-am html \
-	html-am info info-am install install-am install-data \
-	install-data-am install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-nobase_includeHEADERS \
-	install-nobase_nodist_includeHEADERS install-pdf \
-	install-pdf-am install-ps install-ps-am install-strip \
-	installcheck installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-generic \
-	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
-	uninstall-am uninstall-nobase_includeHEADERS \
-	uninstall-nobase_nodist_includeHEADERS
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/evdns.h b/include/evdns.h
similarity index 94%
rename from evdns.h
rename to include/evdns.h
index 513f9b7..8672db0 100644
--- a/evdns.h
+++ b/include/evdns.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVDNS_H_
-#define _EVDNS_H_
+#ifndef EVENT1_EVDNS_H_INCLUDED_
+#define EVENT1_EVDNS_H_INCLUDED_
 
 /** @file evdns.h
 
@@ -42,4 +42,4 @@
 #include <event2/dns_compat.h>
 #include <event2/dns_struct.h>
 
-#endif /* _EVDNS_H_ */
+#endif /* EVENT1_EVDNS_H_INCLUDED_ */
diff --git a/event.h b/include/event.h
similarity index 91%
rename from event.h
rename to include/event.h
index a3785b9..ba51867 100644
--- a/event.h
+++ b/include/event.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT_H_
-#define _EVENT_H_
+#ifndef EVENT1_EVENT_H_INCLUDED_
+#define EVENT1_EVENT_H_INCLUDED_
 
 /** @file event.h
 
@@ -42,13 +42,13 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
-#ifdef _EVENT_HAVE_STDINT_H
+#ifdef EVENT__HAVE_STDINT_H
 #include <stdint.h>
 #endif
 #include <stdarg.h>
@@ -56,15 +56,13 @@
 /* For int types. */
 #include <evutil.h>
 
-#ifdef WIN32
+#ifdef _WIN32
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 #endif
 #include <winsock2.h>
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
-typedef unsigned char u_char;
-typedef unsigned short u_short;
 #endif
 
 #include <event2/event_struct.h>
@@ -82,4 +80,4 @@
 }
 #endif
 
-#endif /* _EVENT_H_ */
+#endif /* EVENT1_EVENT_H_INCLUDED_ */
diff --git a/include/event2/buffer.h b/include/event2/buffer.h
index 5c89655..468588b 100644
--- a/include/event2/buffer.h
+++ b/include/event2/buffer.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_BUFFER_H_
-#define _EVENT2_BUFFER_H_
+#ifndef EVENT2_BUFFER_H_INCLUDED_
+#define EVENT2_BUFFER_H_INCLUDED_
 
 /** @file event2/buffer.h
 
@@ -72,16 +72,18 @@
   evbuffer_peek() if you don't require that the memory to be contiguous.
  */
 
+#include <event2/visibility.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
 #include <stdarg.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_UIO_H
+#ifdef EVENT__HAVE_SYS_UIO_H
 #include <sys/uio.h>
 #endif
 #include <event2/util.h>
@@ -93,7 +95,7 @@
    @see event2/event.h for more information
 */
 struct evbuffer
-#ifdef _EVENT_IN_DOXYGEN
+#ifdef EVENT_IN_DOXYGEN_
 {}
 #endif
 ;
@@ -103,17 +105,23 @@
 
     Used when repeatedly searching through a buffer.  Calling any function
     that modifies or re-packs the buffer contents may invalidate all
-    evbuffer_ptrs for that buffer.  Do not modify these values except with
-    evbuffer_ptr_set.
+    evbuffer_ptrs for that buffer.  Do not modify or contruct these values
+    except with evbuffer_ptr_set.
+
+    An evbuffer_ptr can represent any position from the start of a buffer up
+    to a position immediately after the end of a buffer.
+
+    @see evbuffer_ptr_set()
  */
 struct evbuffer_ptr {
 	ev_ssize_t pos;
 
-	/* Do not alter the values of fields. */
+	/* Do not alter or rely on the values of fields: they are for internal
+	 * use */
 	struct {
 		void *chain;
 		size_t pos_in_chain;
-	} _internal;
+	} internal_;
 };
 
 /** Describes a single extent of memory inside an evbuffer.  Used for
@@ -121,10 +129,10 @@
 
     @see evbuffer_reserve_space, evbuffer_commit_space, evbuffer_peek
  */
-#ifdef _EVENT_HAVE_SYS_UIO_H
+#ifdef EVENT__HAVE_SYS_UIO_H
 #define evbuffer_iovec iovec
 /* Internal use -- defined only if we are using the native struct iovec */
-#define _EVBUFFER_IOVEC_IS_NATIVE
+#define EVBUFFER_IOVEC_IS_NATIVE_
 #else
 struct evbuffer_iovec {
 	/** The start of the extent of memory. */
@@ -140,12 +148,14 @@
   @return a pointer to a newly allocated evbuffer struct, or NULL if an error
 	occurred
  */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer *evbuffer_new(void);
 /**
   Deallocate storage for an evbuffer.
 
   @param buf pointer to the evbuffer to be freed
  */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_free(struct evbuffer *buf);
 
 /**
@@ -160,18 +170,21 @@
    @param lock A lock object, or NULL if we should allocate our own.
    @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_enable_locking(struct evbuffer *buf, void *lock);
 
 /**
    Acquire the lock on an evbuffer.  Has no effect if locking was not enabled
    with evbuffer_enable_locking.
 */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_lock(struct evbuffer *buf);
 
 /**
    Release the lock on an evbuffer.  Has no effect if locking was not enabled
    with evbuffer_enable_locking.
 */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_unlock(struct evbuffer *buf);
 
 
@@ -199,6 +212,7 @@
  * @param flags One or more EVBUFFER_FLAG_* options
  * @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_set_flags(struct evbuffer *buf, ev_uint64_t flags);
 /** Change the flags that are set for an evbuffer by removing some.
  *
@@ -207,6 +221,7 @@
  * @param flags One or more EVBUFFER_FLAG_* options
  * @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_clear_flags(struct evbuffer *buf, ev_uint64_t flags);
 
 /**
@@ -215,6 +230,7 @@
   @param buf pointer to the evbuffer
   @return the number of bytes stored in the evbuffer
 */
+EVENT2_EXPORT_SYMBOL
 size_t evbuffer_get_length(const struct evbuffer *buf);
 
 /**
@@ -229,6 +245,7 @@
    @return 0 if no data is available, otherwise the number of available bytes
      in the first buffer chain.
 */
+EVENT2_EXPORT_SYMBOL
 size_t evbuffer_get_contiguous_space(const struct evbuffer *buf);
 
 /**
@@ -241,6 +258,7 @@
   @param datlen the new minimum length requirement
   @return 0 if successful, or -1 if an error occurred
 */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_expand(struct evbuffer *buf, size_t datlen);
 
 /**
@@ -276,6 +294,7 @@
    @return the number of provided extents, or -1 on error.
    @see evbuffer_commit_space()
 */
+EVENT2_EXPORT_SYMBOL
 int
 evbuffer_reserve_space(struct evbuffer *buf, ev_ssize_t size,
     struct evbuffer_iovec *vec, int n_vec);
@@ -301,6 +320,7 @@
    @return 0 on success, -1 on error
    @see evbuffer_reserve_space()
 */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_commit_space(struct evbuffer *buf,
     struct evbuffer_iovec *vec, int n_vecs);
 
@@ -312,6 +332,7 @@
   @param datlen the number of bytes to be copied from the data buffer
   @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add(struct evbuffer *buf, const void *data, size_t datlen);
 
 
@@ -326,6 +347,7 @@
   @param datlen the maximum size of the destination buffer
   @return the number of bytes read, or -1 if we can't drain the buffer.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_remove(struct evbuffer *buf, void *data, size_t datlen);
 
 /**
@@ -339,9 +361,25 @@
   @param datlen the maximum size of the destination buffer
   @return the number of bytes read, or -1 if we can't drain the buffer.
  */
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t evbuffer_copyout(struct evbuffer *buf, void *data_out, size_t datlen);
 
 /**
+  Read data from the middle of an evbuffer, and leave the buffer unchanged.
+
+  If more bytes are requested than are available in the evbuffer, we
+  only extract as many bytes as were available.
+
+  @param buf the evbuffer to be read from
+  @param pos the position to start reading from
+  @param data_out the destination buffer to store the result
+  @param datlen the maximum size of the destination buffer
+  @return the number of bytes read, or -1 if we can't drain the buffer.
+ */
+EVENT2_EXPORT_SYMBOL
+ev_ssize_t evbuffer_copyout_from(struct evbuffer *buf, const struct evbuffer_ptr *pos, void *data_out, size_t datlen);
+
+/**
   Read data from an evbuffer into another evbuffer, draining
   the bytes from the source buffer.  This function avoids copy
   operations to the extent possible.
@@ -354,6 +392,7 @@
   @param datlen the maximum numbers of bytes to transfer
   @return the number of bytes read
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_remove_buffer(struct evbuffer *src, struct evbuffer *dst,
     size_t datlen);
 
@@ -376,7 +415,9 @@
 	/** An EOL is a CR followed by an LF. */
 	EVBUFFER_EOL_CRLF_STRICT,
 	/** An EOL is a LF. */
-	EVBUFFER_EOL_LF
+	EVBUFFER_EOL_LF,
+	/** An EOL is a NUL character (that is, a single byte with value 0) */
+	EVBUFFER_EOL_NUL
 };
 
 /**
@@ -393,6 +434,7 @@
  * @param eol_style the style of line-ending to use.
  * @return pointer to a single line, or NULL if an error occurred
  */
+EVENT2_EXPORT_SYMBOL
 char *evbuffer_readln(struct evbuffer *buffer, size_t *n_read_out,
     enum evbuffer_eol_style eol_style);
 
@@ -408,9 +450,27 @@
 
   @see evbuffer_remove_buffer()
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add_buffer(struct evbuffer *outbuf, struct evbuffer *inbuf);
 
 /**
+  Copy data from one evbuffer into another evbuffer.
+
+  This is a non-destructive add.  The data from one buffer is copied
+  into the other buffer.  However, no unnecessary memory copies occur.
+
+  Note that buffers already containing buffer references can't be added
+  to other buffers.
+
+  @param outbuf the output buffer
+  @param inbuf the input buffer
+  @return 0 if successful, or -1 if an error occurred
+ */
+EVENT2_EXPORT_SYMBOL
+int evbuffer_add_buffer_reference(struct evbuffer *outbuf,
+    struct evbuffer *inbuf);
+
+/**
    A cleanup function for a piece of memory added to an evbuffer by
    reference.
 
@@ -434,6 +494,7 @@
   @param cleanupfn_arg optional argument to the cleanup callback
   @return 0 if successful, or -1 if an error occurred
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add_reference(struct evbuffer *outbuf,
     const void *data, size_t datlen,
     evbuffer_ref_cleanup_cb cleanupfn, void *cleanupfn_arg);
@@ -452,17 +513,140 @@
   The results of using evbuffer_remove() or evbuffer_pullup() on
   evbuffers whose data was added using this function are undefined.
 
+  For more fine-grained control, use evbuffer_add_file_segment.
+
   @param outbuf the output buffer
   @param fd the file descriptor
   @param offset the offset from which to read data
-  @param length how much data to read
+  @param length how much data to read, or -1 to read as much as possible.
+    (-1 requires that 'fd' support fstat.)
   @return 0 if successful, or -1 if an error occurred
 */
 
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add_file(struct evbuffer *outbuf, int fd, ev_off_t offset,
     ev_off_t length);
 
 /**
+  An evbuffer_file_segment holds a reference to a range of a file --
+  possibly the whole file! -- for use in writing from an evbuffer to a
+  socket.  It could be implemented with mmap, sendfile, splice, or (if all
+  else fails) by just pulling all the data into RAM.  A single
+  evbuffer_file_segment can be added more than once, and to more than one
+  evbuffer.
+ */
+struct evbuffer_file_segment;
+
+/**
+    Flag for creating evbuffer_file_segment: If this flag is set, then when
+    the evbuffer_file_segment is freed and no longer in use by any
+    evbuffer, the underlying fd is closed.
+ */
+#define EVBUF_FS_CLOSE_ON_FREE    0x01
+/**
+   Flag for creating evbuffer_file_segment: Disable memory-map based
+   implementations.
+ */
+#define EVBUF_FS_DISABLE_MMAP     0x02
+/**
+   Flag for creating evbuffer_file_segment: Disable direct fd-to-fd
+   implementations (including sendfile and splice).
+
+   You might want to use this option if data needs to be taken from the
+   evbuffer by any means other than writing it to the network: the sendfile
+   backend is fast, but it only works for sending files directly to the
+   network.
+ */
+#define EVBUF_FS_DISABLE_SENDFILE 0x04
+/**
+   Flag for creating evbuffer_file_segment: Do not allocate a lock for this
+   segment.  If this option is set, then neither the segment nor any
+   evbuffer it is added to may ever be accessed from more than one thread
+   at a time.
+ */
+#define EVBUF_FS_DISABLE_LOCKING  0x08
+
+/**
+   A cleanup function for a evbuffer_file_segment added to an evbuffer
+   for reference.
+ */
+typedef void (*evbuffer_file_segment_cleanup_cb)(
+    struct evbuffer_file_segment const* seg, int flags, void* arg);
+
+/**
+   Create and return a new evbuffer_file_segment for reading data from a
+   file and sending it out via an evbuffer.
+
+   This function avoids unnecessary data copies between userland and
+   kernel.  Where available, it uses sendfile or splice.
+
+   The file descriptor must not be closed so long as any evbuffer is using
+   this segment.
+
+   The results of using evbuffer_remove() or evbuffer_pullup() or any other
+   function that reads bytes from an evbuffer on any evbuffer containing
+   the newly returned segment are undefined, unless you pass the
+   EVBUF_FS_DISABLE_SENDFILE flag to this function.
+
+   @param fd an open file to read from.
+   @param offset an index within the file at which to start reading
+   @param length how much data to read, or -1 to read as much as possible.
+      (-1 requires that 'fd' support fstat.)
+   @param flags any number of the EVBUF_FS_* flags
+   @return a new evbuffer_file_segment, or NULL on failure.
+ **/
+EVENT2_EXPORT_SYMBOL
+struct evbuffer_file_segment *evbuffer_file_segment_new(
+	int fd, ev_off_t offset, ev_off_t length, unsigned flags);
+
+/**
+   Free an evbuffer_file_segment
+
+   It is safe to call this function even if the segment has been added to
+   one or more evbuffers.  The evbuffer_file_segment will not be freed
+   until no more references to it exist.
+ */
+EVENT2_EXPORT_SYMBOL
+void evbuffer_file_segment_free(struct evbuffer_file_segment *seg);
+
+/**
+   Add cleanup callback and argument for the callback to an
+   evbuffer_file_segment.
+
+   The cleanup callback will be invoked when no more references to the
+   evbuffer_file_segment exist.
+ **/
+EVENT2_EXPORT_SYMBOL
+void evbuffer_file_segment_add_cleanup_cb(struct evbuffer_file_segment *seg,
+	evbuffer_file_segment_cleanup_cb cb, void* arg);
+
+/**
+   Insert some or all of an evbuffer_file_segment at the end of an evbuffer
+
+   Note that the offset and length parameters of this function have a
+   different meaning from those provided to evbuffer_file_segment_new: When
+   you create the segment, the offset is the offset _within the file_, and
+   the length is the length _of the segment_, whereas when you add a
+   segment to an evbuffer, the offset is _within the segment_ and the
+   length is the length of the _part of the segment you want to use.
+
+   In other words, if you have a 10 KiB file, and you create an
+   evbuffer_file_segment for it with offset 20 and length 1000, it will
+   refer to bytes 20..1019 inclusive.  If you then pass this segment to
+   evbuffer_add_file_segment and specify an offset of 20 and a length of
+   50, you will be adding bytes 40..99 inclusive.
+
+   @param buf the evbuffer to append to
+   @param seg the segment to add
+   @param offset the offset within the segment to start from
+   @param length the amount of data to add, or -1 to add it all.
+   @return 0 on success, -1 on failure.
+ */
+EVENT2_EXPORT_SYMBOL
+int evbuffer_add_file_segment(struct evbuffer *buf,
+    struct evbuffer_file_segment *seg, ev_off_t offset, ev_off_t length);
+
+/**
   Append a formatted string to the end of an evbuffer.
 
   The string is formated as printf.
@@ -474,6 +658,7 @@
 
   @see evutil_printf(), evbuffer_add_vprintf()
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add_printf(struct evbuffer *buf, const char *fmt, ...)
 #ifdef __GNUC__
   __attribute__((format(printf, 2, 3)))
@@ -488,6 +673,7 @@
   @param ap a varargs va_list argument array that will be passed to vprintf(3)
   @return The number of bytes added if successful, or -1 if an error occurred.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_add_vprintf(struct evbuffer *buf, const char *fmt, va_list ap)
 #ifdef __GNUC__
 	__attribute__((format(printf, 2, 0)))
@@ -502,6 +688,7 @@
   @param len the number of bytes to drain from the beginning of the buffer
   @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_drain(struct evbuffer *buf, size_t len);
 
 
@@ -515,6 +702,7 @@
   @return the number of bytes written, or -1 if an error occurred
   @see evbuffer_read()
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_write(struct evbuffer *buffer, evutil_socket_t fd);
 
 /**
@@ -529,6 +717,7 @@
   @return the number of bytes written, or -1 if an error occurred
   @see evbuffer_read()
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_write_atmost(struct evbuffer *buffer, evutil_socket_t fd,
 						  ev_ssize_t howmuch);
 
@@ -541,6 +730,7 @@
   @return the number of bytes read, or -1 if an error occurred
   @see evbuffer_write()
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_read(struct evbuffer *buffer, evutil_socket_t fd, int howmuch);
 
 /**
@@ -554,6 +744,7 @@
      first occurrence of the string in the buffer after 'start'.  The 'pos'
      field of the result is -1 if the string was not found.
  */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer_ptr evbuffer_search(struct evbuffer *buffer, const char *what, size_t len, const struct evbuffer_ptr *start);
 
 /**
@@ -570,6 +761,7 @@
      first occurrence of the string in the buffer after 'start'.  The 'pos'
      field of the result is -1 if the string was not found.
  */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer_ptr evbuffer_search_range(struct evbuffer *buffer, const char *what, size_t len, const struct evbuffer_ptr *start, const struct evbuffer_ptr *end);
 
 /**
@@ -587,15 +779,25 @@
 /**
    Sets the search pointer in the buffer to position.
 
-   If evbuffer_ptr is not initialized.  This function can only be called
+   There are two ways to use this function: you can call
+      evbuffer_ptr_set(buf, &pos, N, EVBUFFER_PTR_SET)
+   to move 'pos' to a position 'N' bytes after the start of the buffer, or
+      evbuffer_ptr_set(buf, &pos, N, EVBUFFER_PTR_ADD)
+   to move 'pos' forward by 'N' bytes.
+
+   If evbuffer_ptr is not initialized, this function can only be called
    with EVBUFFER_PTR_SET.
 
+   An evbuffer_ptr can represent any position from the start of the buffer to
+   a position immediately after the end of the buffer.
+
    @param buffer the evbuffer to be search
    @param ptr a pointer to a struct evbuffer_ptr
    @param position the position at which to start the next search
    @param how determines how the pointer should be manipulated.
    @returns 0 on success or -1 otherwise
 */
+EVENT2_EXPORT_SYMBOL
 int
 evbuffer_ptr_set(struct evbuffer *buffer, struct evbuffer_ptr *ptr,
     size_t position, enum evbuffer_ptr_how how);
@@ -614,6 +816,7 @@
      first occurrence EOL in the buffer after 'start'.  The 'pos'
      field of the result is -1 if the string was not found.
  */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer_ptr evbuffer_search_eol(struct evbuffer *buffer,
     struct evbuffer_ptr *start, size_t *eol_len_out,
     enum evbuffer_eol_style eol_style);
@@ -646,6 +849,7 @@
        than n_vec if we would need more to return all the data that was
        requested.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_peek(struct evbuffer *buffer, ev_ssize_t len,
     struct evbuffer_ptr *start_at,
     struct evbuffer_iovec *vec_out, int n_vec);
@@ -698,6 +902,7 @@
   @param cbarg an argument to be provided to the callback function
   @return a handle to the callback on success, or NULL on failure.
  */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer_cb_entry *evbuffer_add_cb(struct evbuffer *buffer, evbuffer_cb_func cb, void *cbarg);
 
 /** Remove a callback from an evbuffer, given a handle returned from
@@ -708,6 +913,7 @@
     @return 0 if a callback was removed, or -1 if no matching callback was
     found.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_remove_cb_entry(struct evbuffer *buffer,
 			     struct evbuffer_cb_entry *ent);
 
@@ -717,6 +923,7 @@
     @return 0 if a callback was removed, or -1 if no matching callback was
     found.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_remove_cb(struct evbuffer *buffer, evbuffer_cb_func cb, void *cbarg);
 
 /** If this flag is not set, then a callback is temporarily disabled, and
@@ -733,6 +940,7 @@
     @param flags EVBUFFER_CB_ENABLED to re-enable the callback.
     @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_cb_set_flags(struct evbuffer *buffer,
 			  struct evbuffer_cb_entry *cb, ev_uint32_t flags);
 
@@ -743,6 +951,7 @@
     @param flags EVBUFFER_CB_ENABLED to disable the callback.
     @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_cb_clear_flags(struct evbuffer *buffer,
 			  struct evbuffer_cb_entry *cb, ev_uint32_t flags);
 
@@ -756,6 +965,7 @@
 	@param the buffer that the callback is watching.
 	@param cb the callback we want to suspend.
  */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_cb_suspend(struct evbuffer *buffer, struct evbuffer_cb_entry *cb);
 /** Stop postponing a callback that we postponed with evbuffer_cb_suspend.
 
@@ -765,6 +975,7 @@
 	@param the buffer that the callback is watching.
 	@param cb the callback we want to stop suspending.
  */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_cb_unsuspend(struct evbuffer *buffer, struct evbuffer_cb_entry *cb);
 #endif
 
@@ -774,9 +985,11 @@
   @param buf the evbuffer to make contiguous
   @param size the number of bytes to make contiguous, or -1 to make the
 	entire buffer contiguous.
-  @return a pointer to the contiguous memory array
+  @return a pointer to the contiguous memory array, or NULL if param size
+	requested more data than is present in the buffer.
 */
 
+EVENT2_EXPORT_SYMBOL
 unsigned char *evbuffer_pullup(struct evbuffer *buf, ev_ssize_t size);
 
 /**
@@ -788,6 +1001,7 @@
   @return 0 if successful, or -1 otherwise
 */
 
+EVENT2_EXPORT_SYMBOL
 int evbuffer_prepend(struct evbuffer *buf, const void *data, size_t size);
 
 /**
@@ -798,6 +1012,7 @@
   @param src the evbuffer to prepend; it will be emptied as a result
   @return 0 if successful, or -1 otherwise
 */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_prepend_buffer(struct evbuffer *dst, struct evbuffer* src);
 
 /**
@@ -814,6 +1029,7 @@
       we freeze the back.
    @return 0 on success, -1 on failure.
 */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_freeze(struct evbuffer *buf, int at_front);
 /**
    Re-enable calls that modify an evbuffer.
@@ -823,6 +1039,7 @@
       we unfreeze the back.
    @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_unfreeze(struct evbuffer *buf, int at_front);
 
 struct event_base;
@@ -833,10 +1050,27 @@
    This can be used to serialize all the callbacks to a single thread
    of execution.
  */
+EVENT2_EXPORT_SYMBOL
 int evbuffer_defer_callbacks(struct evbuffer *buffer, struct event_base *base);
 
+/**
+  Append data from 1 or more iovec's to an evbuffer
+
+  Calculates the number of bytes needed for an iovec structure and guarantees
+  all data will fit into a single chain. Can be used in lieu of functionality
+  which calls evbuffer_add() constantly before being used to increase
+  performance.
+
+  @param buffer the destination buffer
+  @param vec the source iovec
+  @param n_vec the number of iovec structures.
+  @return the number of bytes successfully written to the output buffer.
+*/
+EVENT2_EXPORT_SYMBOL
+size_t evbuffer_add_iovec(struct evbuffer * buffer, struct evbuffer_iovec * vec, int n_vec);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_BUFFER_H_ */
+#endif /* EVENT2_BUFFER_H_INCLUDED_ */
diff --git a/include/event2/buffer_compat.h b/include/event2/buffer_compat.h
index a713ee3..24f828c 100644
--- a/include/event2/buffer_compat.h
+++ b/include/event2/buffer_compat.h
@@ -24,8 +24,10 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _EVENT2_BUFFER_COMPAT_H_
-#define _EVENT2_BUFFER_COMPAT_H_
+#ifndef EVENT2_BUFFER_COMPAT_H_INCLUDED_
+#define EVENT2_BUFFER_COMPAT_H_INCLUDED_
+
+#include <event2/visibility.h>
 
 /** @file event2/buffer_compat.h
 
@@ -35,7 +37,7 @@
 
 
 /**
-   Obsolete alias for evbuffer_readln(buffer, NULL, EOL_STYLE_ANY).
+   Obsolete alias for evbuffer_readln(buffer, NULL, EVBUFFER_EOL_ANY).
 
    @deprecated This function is deprecated because its behavior is not correct
       for almost any protocol, and also because it's wholly subsumed by
@@ -45,6 +47,7 @@
    @return pointer to a single line, or NULL if an error occurred
 
 */
+EVENT2_EXPORT_SYMBOL
 char *evbuffer_readline(struct evbuffer *buffer);
 
 /** Type definition for a callback that is invoked whenever data is added or
@@ -88,6 +91,7 @@
 	 or NULL to remove all callbacks.
   @param cbarg an argument to be provided to the callback function
  */
+EVENT2_EXPORT_SYMBOL
 void evbuffer_setcb(struct evbuffer *buffer, evbuffer_cb cb, void *cbarg);
 
 
@@ -99,6 +103,7 @@
   @param len the length of the search string
   @return a pointer to the beginning of the search string, or NULL if the search failed.
  */
+EVENT2_EXPORT_SYMBOL
 unsigned char *evbuffer_find(struct evbuffer *buffer, const unsigned char *what, size_t len);
 
 /** deprecated in favor of calling the functions directly */
diff --git a/include/event2/bufferevent.h b/include/event2/bufferevent.h
index 0cc6cb1..825918e 100644
--- a/include/event2/bufferevent.h
+++ b/include/event2/bufferevent.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_BUFFEREVENT_H_
-#define _EVENT2_BUFFEREVENT_H_
+#ifndef EVENT2_BUFFEREVENT_H_INCLUDED_
+#define EVENT2_BUFFEREVENT_H_INCLUDED_
 
 /**
    @file event2/bufferevent.h
@@ -74,15 +74,17 @@
   </dl>
  */
 
+#include <event2/visibility.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -109,7 +111,7 @@
    @see event2/bufferevent.h
  */
 struct bufferevent
-#ifdef _EVENT_IN_DOXYGEN
+#ifdef EVENT_IN_DOXYGEN_
 {}
 #endif
 ;
@@ -138,6 +140,9 @@
    The event callback is triggered if either an EOF condition or another
    unrecoverable error was encountered.
 
+   For bufferevents with deferred callbacks, this is a bitwise OR of all errors
+   that have happened on the bufferevent since the last callback invocation.
+
    @param bev the bufferevent for which the error condition was reached
    @param what a conjunction of flags: BEV_EVENT_READING or BEV_EVENT_WRITING
 	  to indicate if the error was encountered on the read or write path,
@@ -181,6 +186,7 @@
 	  error occurred
   @see bufferevent_free()
   */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *bufferevent_socket_new(struct event_base *base, evutil_socket_t fd, int options);
 
 /**
@@ -202,7 +208,8 @@
    @param socklen The length of the address
    @return 0 on success, -1 on failure.
  */
-int bufferevent_socket_connect(struct bufferevent *, struct sockaddr *, int);
+EVENT2_EXPORT_SYMBOL
+int bufferevent_socket_connect(struct bufferevent *, const struct sockaddr *, int);
 
 struct evdns_base;
 /**
@@ -231,6 +238,7 @@
    may block while it waits for a DNS response.	 This is probably not
    what you want.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_socket_connect_hostname(struct bufferevent *,
     struct evdns_base *, int, const char *, int);
 
@@ -242,6 +250,7 @@
    @return DNS error code.
    @see evutil_gai_strerror()
 */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_socket_get_dns_error(struct bufferevent *bev);
 
 /**
@@ -255,11 +264,13 @@
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_new()
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_base_set(struct event_base *base, struct bufferevent *bufev);
 
 /**
    Return the event_base used by a bufferevent
 */
+EVENT2_EXPORT_SYMBOL
 struct event_base *bufferevent_get_base(struct bufferevent *bev);
 
 /**
@@ -271,14 +282,26 @@
   @param pri the priority to be assigned
   @return 0 if successful, or -1 if an error occurred
   */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_priority_set(struct bufferevent *bufev, int pri);
 
+/**
+   Return the priority of a bufferevent.
+
+   Only supported for socket bufferevents
+ */
+EVENT2_EXPORT_SYMBOL
+int bufferevent_get_priority(const struct bufferevent *bufev);
 
 /**
   Deallocate the storage associated with a bufferevent structure.
 
+  If there is pending data to write on the bufferevent, it probably won't be
+  flushed before the bufferevent is freed.
+
   @param bufev the bufferevent structure to be freed.
   */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_free(struct bufferevent *bufev);
 
 
@@ -296,29 +319,54 @@
 	 (readcb, writecb, and errorcb)
   @see bufferevent_new()
   */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_setcb(struct bufferevent *bufev,
     bufferevent_data_cb readcb, bufferevent_data_cb writecb,
     bufferevent_event_cb eventcb, void *cbarg);
 
 /**
+ Retrieves the callbacks for a bufferevent.
+
+ @param bufev the bufferevent to examine.
+ @param readcb_ptr if readcb_ptr is nonnull, *readcb_ptr is set to the current
+    read callback for the bufferevent.
+ @param writecb_ptr if writecb_ptr is nonnull, *writecb_ptr is set to the
+    current write callback for the bufferevent.
+ @param eventcb_ptr if eventcb_ptr is nonnull, *eventcb_ptr is set to the
+    current event callback for the bufferevent.
+ @param cbarg_ptr if cbarg_ptr is nonnull, *cbarg_ptr is set to the current
+    callback argument for the bufferevent.
+ @see buffervent_setcb()
+*/
+EVENT2_EXPORT_SYMBOL
+void bufferevent_getcb(struct bufferevent *bufev,
+    bufferevent_data_cb *readcb_ptr,
+    bufferevent_data_cb *writecb_ptr,
+    bufferevent_event_cb *eventcb_ptr,
+    void **cbarg_ptr);
+
+/**
   Changes the file descriptor on which the bufferevent operates.
   Not supported for all bufferevent types.
 
   @param bufev the bufferevent object for which to change the file descriptor
   @param fd the file descriptor to operate on
 */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_setfd(struct bufferevent *bufev, evutil_socket_t fd);
 
 /**
    Returns the file descriptor associated with a bufferevent, or -1 if
    no file descriptor is associated with the bufferevent.
  */
+EVENT2_EXPORT_SYMBOL
 evutil_socket_t bufferevent_getfd(struct bufferevent *bufev);
 
 /**
    Returns the underlying bufferevent associated with a bufferevent (if
    the bufferevent is a wrapper), or NULL if there is no underlying bufferevent.
  */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *bufferevent_get_underlying(struct bufferevent *bufev);
 
 /**
@@ -334,6 +382,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_write_buffer()
   */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_write(struct bufferevent *bufev,
     const void *data, size_t size);
 
@@ -347,6 +396,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_write()
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_write_buffer(struct bufferevent *bufev, struct evbuffer *buf);
 
 
@@ -360,6 +410,7 @@
   @param size the size of the data buffer, in bytes
   @return the amount of data read, in bytes.
  */
+EVENT2_EXPORT_SYMBOL
 size_t bufferevent_read(struct bufferevent *bufev, void *data, size_t size);
 
 /**
@@ -370,6 +421,7 @@
   @param buf the evbuffer to which to add data
   @return 0 if successful, or -1 if an error occurred.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_read_buffer(struct bufferevent *bufev, struct evbuffer *buf);
 
 /**
@@ -381,6 +433,7 @@
    @return the evbuffer object for the input buffer
  */
 
+EVENT2_EXPORT_SYMBOL
 struct evbuffer *bufferevent_get_input(struct bufferevent *bufev);
 
 /**
@@ -395,6 +448,7 @@
    @return the evbuffer object for the output buffer
  */
 
+EVENT2_EXPORT_SYMBOL
 struct evbuffer *bufferevent_get_output(struct bufferevent *bufev);
 
 /**
@@ -405,6 +459,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_disable()
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_enable(struct bufferevent *bufev, short event);
 
 /**
@@ -415,6 +470,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see bufferevent_enable()
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_disable(struct bufferevent *bufev, short event);
 
 /**
@@ -423,6 +479,7 @@
    @param bufev the bufferevent to inspect
    @return A combination of EV_READ | EV_WRITE
  */
+EVENT2_EXPORT_SYMBOL
 short bufferevent_get_enabled(struct bufferevent *bufev);
 
 /**
@@ -451,6 +508,7 @@
   @param timeout_read the read timeout, or NULL
   @param timeout_write the write timeout, or NULL
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_set_timeouts(struct bufferevent *bufev,
     const struct timeval *timeout_read, const struct timeval *timeout_write);
 
@@ -472,21 +530,64 @@
   @param highmark the high watermark to set
 */
 
+EVENT2_EXPORT_SYMBOL
 void bufferevent_setwatermark(struct bufferevent *bufev, short events,
     size_t lowmark, size_t highmark);
 
 /**
+  Retrieves the watermarks for read or write events.
+  Returns non-zero if events contains not only EV_READ or EV_WRITE.
+  Returns zero if events equal EV_READ or EV_WRITE
+
+  @param bufev the bufferevent to be examined
+  @param events EV_READ or EV_WRITE
+  @param lowmark receives the lower watermark if not NULL
+  @param highmark receives the high watermark if not NULL
+*/
+EVENT2_EXPORT_SYMBOL
+int bufferevent_getwatermark(struct bufferevent *bufev, short events,
+    size_t *lowmark, size_t *highmark);
+
+/**
    Acquire the lock on a bufferevent.  Has no effect if locking was not
    enabled with BEV_OPT_THREADSAFE.
  */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_lock(struct bufferevent *bufev);
 
 /**
    Release the lock on a bufferevent.  Has no effect if locking was not
    enabled with BEV_OPT_THREADSAFE.
  */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_unlock(struct bufferevent *bufev);
 
+
+/**
+ * Public interface to manually increase the reference count of a bufferevent
+ * this is useful in situations where a user may reference the bufferevent
+ * somewhere eles (unknown to libevent)
+ *
+ * @param bufev the bufferevent to increase the refcount on
+ *
+ */
+EVENT2_EXPORT_SYMBOL
+void bufferevent_incref(struct bufferevent *bufev);
+
+/**
+ * Public interface to manually decrement the reference count of a bufferevent
+ *
+ * Warning: make sure you know what you're doing. This is mainly used in
+ * conjunction with bufferevent_incref(). This will free up all data associated
+ * with a bufferevent if the reference count hits 0.
+ *
+ * @param bufev the bufferevent to decrement the refcount on
+ *
+ * @return 1 if the bufferevent was freed, otherwise 0 (still referenced)
+ */
+EVENT2_EXPORT_SYMBOL
+int bufferevent_decref(struct bufferevent *bufev);
+
 /**
    Flags that can be passed into filters to let them know how to
    deal with the incoming data.
@@ -510,11 +611,55 @@
    @param mode either BEV_NORMAL or BEV_FLUSH or BEV_FINISHED
    @return -1 on failure, 0 if no data was produces, 1 if data was produced
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_flush(struct bufferevent *bufev,
     short iotype,
     enum bufferevent_flush_mode mode);
 
 /**
+   Flags for bufferevent_trigger(_event) that modify when and how to trigger
+   the callback.
+*/
+enum bufferevent_trigger_options {
+	/** trigger the callback regardless of the watermarks */
+	BEV_TRIG_IGNORE_WATERMARKS = (1<<16),
+
+	/** defer even if the callbacks are not */
+	BEV_TRIG_DEFER_CALLBACKS = BEV_OPT_DEFER_CALLBACKS
+
+	/* (Note: for internal reasons, these need to be disjoint from
+	 * bufferevent_options, except when they mean the same thing. */
+};
+
+/**
+   Triggers bufferevent data callbacks.
+
+   The function will honor watermarks unless options contain
+   BEV_TRIG_IGNORE_WATERMARKS. If the options contain BEV_OPT_DEFER_CALLBACKS,
+   the callbacks are deferred.
+
+   @param bufev the bufferevent object
+   @param iotype either EV_READ or EV_WRITE or both.
+   @param options
+ */
+EVENT2_EXPORT_SYMBOL
+void bufferevent_trigger(struct bufferevent *bufev, short iotype,
+    int options);
+
+/**
+   Triggers the bufferevent event callback.
+
+   If the options contain BEV_OPT_DEFER_CALLBACKS, the callbacks are deferred.
+
+   @param bufev the bufferevent object
+   @param what the flags to pass onto the event callback
+   @param options
+ */
+EVENT2_EXPORT_SYMBOL
+void bufferevent_trigger_event(struct bufferevent *bufev, short what,
+    int options);
+
+/**
    @name Filtering support
 
    @{
@@ -569,6 +714,7 @@
      this bufferevent is freed.
    @param ctx A context pointer to pass to the filter functions.
  */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *
 bufferevent_filter_new(struct bufferevent *underlying,
 		       bufferevent_filter_cb input_filter,
@@ -588,6 +734,7 @@
    @param pair A pointer to an array to hold the two new bufferevent objects.
    @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_pair_new(struct event_base *base, int options,
     struct bufferevent *pair[2]);
 
@@ -595,6 +742,7 @@
    Given one bufferevent returned by bufferevent_pair_new(), returns the
    other one if it still exists.  Otherwise returns NULL.
  */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *bufferevent_pair_get_partner(struct bufferevent *bev);
 
 /**
@@ -628,6 +776,7 @@
    Note that all rate-limits hare are currently best-effort: future versions
    of Libevent may implement them more tightly.
  */
+EVENT2_EXPORT_SYMBOL
 struct ev_token_bucket_cfg *ev_token_bucket_cfg_new(
 	size_t read_rate, size_t read_burst,
 	size_t write_rate, size_t write_burst,
@@ -638,6 +787,7 @@
     Note: 'cfg' is not currently reference-counted; it is not safe to free it
     until no bufferevent is using it.
  */
+EVENT2_EXPORT_SYMBOL
 void ev_token_bucket_cfg_free(struct ev_token_bucket_cfg *cfg);
 
 /**
@@ -651,6 +801,7 @@
 
    Return 0 on sucess, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_set_rate_limit(struct bufferevent *bev,
     struct ev_token_bucket_cfg *cfg);
 
@@ -671,6 +822,7 @@
    They are: socket-based bufferevents (normal and IOCP-based), and SSL-based
    bufferevents.
  */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent_rate_limit_group *bufferevent_rate_limit_group_new(
 	struct event_base *base,
 	const struct ev_token_bucket_cfg *cfg);
@@ -679,6 +831,7 @@
 
    Return 0 on success, -1 on failure.
 */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_rate_limit_group_set_cfg(
 	struct bufferevent_rate_limit_group *,
 	const struct ev_token_bucket_cfg *);
@@ -699,6 +852,7 @@
 
    Returns 0 on success, -1 on faulre.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_rate_limit_group_set_min_share(
 	struct bufferevent_rate_limit_group *, size_t);
 
@@ -706,6 +860,7 @@
    Free a rate-limiting group.  The group must have no members when
    this function is called.
 */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_rate_limit_group_free(struct bufferevent_rate_limit_group *);
 
 /**
@@ -718,13 +873,43 @@
 
    Return 0 on success and -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_add_to_rate_limit_group(struct bufferevent *bev,
     struct bufferevent_rate_limit_group *g);
 
 /** Remove 'bev' from its current rate-limit group (if any). */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_remove_from_rate_limit_group(struct bufferevent *bev);
 
 /**
+   Set the size limit for single read operation.
+
+   Set to 0 for a reasonable default.
+
+   Return 0 on success and -1 on failure.
+ */
+EVENT2_EXPORT_SYMBOL
+int bufferevent_set_max_single_read(struct bufferevent *bev, size_t size);
+
+/**
+   Set the size limit for single write operation.
+
+   Set to 0 for a reasonable default.
+
+   Return 0 on success and -1 on failure.
+ */
+EVENT2_EXPORT_SYMBOL
+int bufferevent_set_max_single_write(struct bufferevent *bev, size_t size);
+
+/** Get the current size limit for single read operation. */
+EVENT2_EXPORT_SYMBOL
+ev_ssize_t bufferevent_get_max_single_read(struct bufferevent *bev);
+
+/** Get the current size limit for single write operation. */
+EVENT2_EXPORT_SYMBOL
+ev_ssize_t bufferevent_get_max_single_write(struct bufferevent *bev);
+
+/**
    @name Rate limit inspection
 
    Return the current read or write bucket size for a bufferevent.
@@ -735,13 +920,20 @@
 
    @{
  */
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_get_read_limit(struct bufferevent *bev);
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_get_write_limit(struct bufferevent *bev);
 /*@}*/
 
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_get_max_to_read(struct bufferevent *bev);
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_get_max_to_write(struct bufferevent *bev);
 
+EVENT2_EXPORT_SYMBOL
+const struct ev_token_bucket_cfg *bufferevent_get_token_bucket_cfg(const struct bufferevent * bev);
+
 /**
    @name Group Rate limit inspection
 
@@ -751,8 +943,10 @@
 
    @{
  */
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_rate_limit_group_get_read_limit(
 	struct bufferevent_rate_limit_group *);
+EVENT2_EXPORT_SYMBOL
 ev_ssize_t bufferevent_rate_limit_group_get_write_limit(
 	struct bufferevent_rate_limit_group *);
 /*@}*/
@@ -771,7 +965,9 @@
 
    @{
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_decrement_read_limit(struct bufferevent *bev, ev_ssize_t decr);
+EVENT2_EXPORT_SYMBOL
 int bufferevent_decrement_write_limit(struct bufferevent *bev, ev_ssize_t decr);
 /*@}*/
 
@@ -788,8 +984,10 @@
 
    @{
  */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_rate_limit_group_decrement_read(
 	struct bufferevent_rate_limit_group *, ev_ssize_t);
+EVENT2_EXPORT_SYMBOL
 int bufferevent_rate_limit_group_decrement_write(
 	struct bufferevent_rate_limit_group *, ev_ssize_t);
 /*@}*/
@@ -801,6 +999,7 @@
  * Set the variable pointed to by total_read_out to the total number of bytes
  * ever read on grp, and the variable pointed to by total_written_out to the
  * total number of bytes ever written on grp. */
+EVENT2_EXPORT_SYMBOL
 void bufferevent_rate_limit_group_get_totals(
     struct bufferevent_rate_limit_group *grp,
     ev_uint64_t *total_read_out, ev_uint64_t *total_written_out);
@@ -810,6 +1009,7 @@
  *
  * Reset the number of bytes read or written on grp as given by
  * bufferevent_rate_limit_group_reset_totals(). */
+EVENT2_EXPORT_SYMBOL
 void
 bufferevent_rate_limit_group_reset_totals(
 	struct bufferevent_rate_limit_group *grp);
@@ -818,4 +1018,4 @@
 }
 #endif
 
-#endif /* _EVENT2_BUFFEREVENT_H_ */
+#endif /* EVENT2_BUFFEREVENT_H_INCLUDED_ */
diff --git a/include/event2/bufferevent_compat.h b/include/event2/bufferevent_compat.h
index 3256fd1..6548204 100644
--- a/include/event2/bufferevent_compat.h
+++ b/include/event2/bufferevent_compat.h
@@ -25,8 +25,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_BUFFEREVENT_COMPAT_H_
-#define _EVENT2_BUFFEREVENT_COMPAT_H_
+#ifndef EVENT2_BUFFEREVENT_COMPAT_H_INCLUDED_
+#define EVENT2_BUFFEREVENT_COMPAT_H_INCLUDED_
 
 #define evbuffercb bufferevent_data_cb
 #define everrorcb bufferevent_event_cb
diff --git a/include/event2/bufferevent_ssl.h b/include/event2/bufferevent_ssl.h
index c612e99..bf39b84 100644
--- a/include/event2/bufferevent_ssl.h
+++ b/include/event2/bufferevent_ssl.h
@@ -23,14 +23,14 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_BUFFEREVENT_SSL_H_
-#define _EVENT2_BUFFEREVENT_SSL_H_
+#ifndef EVENT2_BUFFEREVENT_SSL_H_INCLUDED_
+#define EVENT2_BUFFEREVENT_SSL_H_INCLUDED_
 
 /** @file event2/bufferevent_ssl.h
 
     OpenSSL support for bufferevents.
  */
-
+#include <event2/visibility.h>
 #include <event2/event-config.h>
 #include <event2/bufferevent.h>
 #include <event2/util.h>
@@ -52,7 +52,7 @@
 	BUFFEREVENT_SSL_ACCEPTING = 2
 };
 
-#if defined(_EVENT_HAVE_OPENSSL) || defined(_EVENT_IN_DOXYGEN)
+#if defined(EVENT__HAVE_OPENSSL) || defined(EVENT_IN_DOXYGEN_)
 /**
    Create a new SSL bufferevent to send its data over another bufferevent.
 
@@ -64,6 +64,7 @@
    @param options One or more bufferevent_options
    @return A new bufferevent on success, or NULL on failure
 */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *
 bufferevent_openssl_filter_new(struct event_base *base,
     struct bufferevent *underlying,
@@ -81,6 +82,7 @@
    @param options One or more bufferevent_options
    @return A new bufferevent on success, or NULL on failure.
 */
+EVENT2_EXPORT_SYMBOL
 struct bufferevent *
 bufferevent_openssl_socket_new(struct event_base *base,
     evutil_socket_t fd,
@@ -88,14 +90,39 @@
     enum bufferevent_ssl_state state,
     int options);
 
+/** Control how to report dirty SSL shutdowns.
+
+    If the peer (or the network, or an attacker) closes the TCP
+    connection before closing the SSL channel, and the protocol is SSL >= v3,
+    this is a "dirty" shutdown.  If allow_dirty_shutdown is 0 (default),
+    this is reported as BEV_EVENT_ERROR.
+
+    If instead allow_dirty_shutdown=1, a dirty shutdown is reported as
+    BEV_EVENT_EOF.
+
+    (Note that if the protocol is < SSLv3, you will always receive
+    BEV_EVENT_EOF, since SSL 2 and earlier cannot distinguish a secure
+    connection close from a dirty one.  This is one reason (among many)
+    not to use SSL 2.)
+*/
+
+EVENT2_EXPORT_SYMBOL
+int bufferevent_openssl_get_allow_dirty_shutdown(struct bufferevent *bev);
+EVENT2_EXPORT_SYMBOL
+void bufferevent_openssl_set_allow_dirty_shutdown(struct bufferevent *bev,
+    int allow_dirty_shutdown);
+
 /** Return the underlying openssl SSL * object for an SSL bufferevent. */
+EVENT2_EXPORT_SYMBOL
 struct ssl_st *
 bufferevent_openssl_get_ssl(struct bufferevent *bufev);
 
 /** Tells a bufferevent to begin SSL renegotiation. */
+EVENT2_EXPORT_SYMBOL
 int bufferevent_ssl_renegotiate(struct bufferevent *bev);
 
 /** Return the most recent OpenSSL error reported on an SSL bufferevent. */
+EVENT2_EXPORT_SYMBOL
 unsigned long bufferevent_get_openssl_error(struct bufferevent *bev);
 
 #endif
@@ -104,4 +131,4 @@
 }
 #endif
 
-#endif /* _EVENT2_BUFFEREVENT_SSL_H_ */
+#endif /* EVENT2_BUFFEREVENT_SSL_H_INCLUDED_ */
diff --git a/include/event2/bufferevent_struct.h b/include/event2/bufferevent_struct.h
index 02835c1..e84c082 100644
--- a/include/event2/bufferevent_struct.h
+++ b/include/event2/bufferevent_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_BUFFEREVENT_STRUCT_H_
-#define _EVENT2_BUFFEREVENT_STRUCT_H_
+#ifndef EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_
+#define EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_
 
 /** @file event2/bufferevent_struct.h
 
@@ -42,10 +42,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -113,4 +113,4 @@
 }
 #endif
 
-#endif /* _EVENT2_BUFFEREVENT_STRUCT_H_ */
+#endif /* EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ */
diff --git a/include/event2/dns.h b/include/event2/dns.h
index 6677d4e..17cd86a 100644
--- a/include/event2/dns.h
+++ b/include/event2/dns.h
@@ -132,8 +132,10 @@
  * with the next probe.
  */
 
-#ifndef _EVENT2_DNS_H_
-#define _EVENT2_DNS_H_
+#ifndef EVENT2_DNS_H_INCLUDED_
+#define EVENT2_DNS_H_INCLUDED_
+
+#include <event2/visibility.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -201,6 +203,12 @@
 struct evdns_base;
 struct event_base;
 
+/** Flag for evdns_base_new: process resolv.conf.  */
+#define EVDNS_BASE_INITIALIZE_NAMESERVERS 1
+/** Flag for evdns_base_new: Do not prevent the libevent event loop from
+ * exiting when we have no active dns requests. */
+#define EVDNS_BASE_DISABLE_WHEN_INACTIVE 0x8000
+
 /**
   Initialize the asynchronous DNS library.
 
@@ -209,10 +217,12 @@
   evdns_config_windows_nameservers() on Windows.
 
   @param event_base the event base to associate the dns client with
-  @param initialize_nameservers 1 if resolve.conf processing should occur
+  @param flags any of EVDNS_BASE_INITIALIZE_NAMESERVERS|
+    EVDNS_BASE_DISABLE_WHEN_INACTIVE
   @return evdns_base object if successful, or NULL if an error occurred.
   @see evdns_base_free()
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_base * evdns_base_new(struct event_base *event_base, int initialize_nameservers);
 
 
@@ -228,14 +238,25 @@
 		active requests will return DNS_ERR_SHUTDOWN.
   @see evdns_base_new()
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_base_free(struct evdns_base *base, int fail_requests);
 
 /**
+   Remove all hosts entries that have been loaded into the event_base via
+   evdns_base_load_hosts or via event_base_resolv_conf_parse.
+
+   @param evdns_base the evdns base to remove outdated host addresses from
+ */
+EVENT2_EXPORT_SYMBOL
+void evdns_base_clear_host_addresses(struct evdns_base *base);
+
+/**
   Convert a DNS error code to a string.
 
   @param err the DNS error code
   @return a string containing an explanation of the error code
 */
+EVENT2_EXPORT_SYMBOL
 const char *evdns_err_to_string(int err);
 
 
@@ -250,6 +271,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see evdns_base_nameserver_ip_add()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_nameserver_add(struct evdns_base *base,
     unsigned long int address);
 
@@ -265,6 +287,7 @@
   @return the number of configured nameservers
   @see evdns_base_nameserver_add()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_count_nameservers(struct evdns_base *base);
 
 /**
@@ -276,6 +299,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see evdns_base_resume()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_clear_nameservers_and_suspend(struct evdns_base *base);
 
 
@@ -289,6 +313,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see evdns_base_clear_nameservers_and_suspend()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_resume(struct evdns_base *base);
 
 /**
@@ -308,12 +333,14 @@
   @return 0 if successful, or -1 if an error occurred
   @see evdns_base_nameserver_add()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_nameserver_ip_add(struct evdns_base *base,
     const char *ip_as_string);
 
 /**
    Add a nameserver by sockaddr.
  **/
+EVENT2_EXPORT_SYMBOL
 int
 evdns_base_nameserver_sockaddr_add(struct evdns_base *base,
     const struct sockaddr *sa, ev_socklen_t len, unsigned flags);
@@ -331,6 +358,7 @@
   @return an evdns_request object if successful, or NULL if an error occurred.
   @see evdns_resolve_ipv6(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6(), evdns_cancel_request()
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_request *evdns_base_resolve_ipv4(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr);
 
 /**
@@ -344,6 +372,7 @@
   @return an evdns_request object if successful, or NULL if an error occurred.
   @see evdns_resolve_ipv4(), evdns_resolve_reverse(), evdns_resolve_reverse_ipv6(), evdns_cancel_request()
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_request *evdns_base_resolve_ipv6(struct evdns_base *base, const char *name, int flags, evdns_callback_type callback, void *ptr);
 
 struct in_addr;
@@ -360,6 +389,7 @@
   @return an evdns_request object if successful, or NULL if an error occurred.
   @see evdns_resolve_reverse_ipv6(), evdns_cancel_request()
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_request *evdns_base_resolve_reverse(struct evdns_base *base, const struct in_addr *in, int flags, evdns_callback_type callback, void *ptr);
 
 
@@ -374,6 +404,7 @@
   @return an evdns_request object if successful, or NULL if an error occurred.
   @see evdns_resolve_reverse_ipv6(), evdns_cancel_request()
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_request *evdns_base_resolve_reverse_ipv6(struct evdns_base *base, const struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr);
 
 /**
@@ -383,6 +414,7 @@
   @param req the evdns_request that was returned by calling a resolve function
   @see evdns_base_resolve_ipv4(), evdns_base_resolve_ipv6, evdns_base_resolve_reverse
 */
+EVENT2_EXPORT_SYMBOL
 void evdns_cancel_request(struct evdns_base *base, struct evdns_request *req);
 
 /**
@@ -401,6 +433,7 @@
   @param val the value to be set
   @return 0 if successful, or -1 if an error occurred
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_set_option(struct evdns_base *base, const char *option, const char *val);
 
 
@@ -426,6 +459,7 @@
     occurred (see above)
   @see resolv.conf(3), evdns_config_windows_nameservers()
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_resolv_conf_parse(struct evdns_base *base, int flags, const char *const filename);
 
 /**
@@ -436,8 +470,12 @@
 
    Note that only evdns_getaddrinfo uses the /etc/hosts entries.
 
+   This function does not replace previously loaded hosts entries; to do that,
+   call evdns_base_clear_host_addresses first.
+
    Return 0 on success, negative on failure.
 */
+EVENT2_EXPORT_SYMBOL
 int evdns_base_load_hosts(struct evdns_base *base, const char *hosts_fname);
 
 /**
@@ -450,7 +488,8 @@
   @return 0 if successful, or -1 if an error occurred
   @see evdns_resolv_conf_parse()
  */
-#ifdef WIN32
+#ifdef _WIN32
+EVENT2_EXPORT_SYMBOL
 int evdns_base_config_windows_nameservers(struct evdns_base *);
 #define EVDNS_BASE_CONFIG_WINDOWS_NAMESERVERS_IMPLEMENTED
 #endif
@@ -459,6 +498,7 @@
 /**
   Clear the list of search domains.
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_base_search_clear(struct evdns_base *base);
 
 
@@ -467,6 +507,7 @@
 
   @param domain the domain to be added to the search list
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_base_search_add(struct evdns_base *base, const char *domain);
 
 
@@ -478,6 +519,7 @@
 
   @param ndots the new ndots parameter
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_base_search_ndots_set(struct evdns_base *base, const int ndots);
 
 /**
@@ -496,6 +538,7 @@
 
   @param fn the callback to be invoked when a log message is generated
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_set_log_fn(evdns_debug_log_fn_type fn);
 
 /**
@@ -508,6 +551,7 @@
    NOTE: This function has no effect in Libevent 2.0.4-alpha and later,
    since Libevent now provides its own secure RNG.
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_set_transaction_id_fn(ev_uint16_t (*fn)(void));
 
 /**
@@ -519,6 +563,7 @@
    NOTE: This function has no effect in Libevent 2.0.4-alpha and later,
    since Libevent now provides its own secure RNG.
 */
+EVENT2_EXPORT_SYMBOL
 void evdns_set_random_bytes_fn(void (*fn)(char *, size_t));
 
 /*
@@ -572,36 +617,47 @@
     @param user_data Data to pass to the callback.
     @return an evdns_server_port structure for this server port.
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_server_port *evdns_add_server_port_with_base(struct event_base *base, evutil_socket_t socket, int flags, evdns_request_callback_fn_type callback, void *user_data);
 /** Close down a DNS server port, and free associated structures. */
+EVENT2_EXPORT_SYMBOL
 void evdns_close_server_port(struct evdns_server_port *port);
 
 /** Sets some flags in a reply we're building.
     Allows setting of the AA or RD flags
  */
+EVENT2_EXPORT_SYMBOL
 void evdns_server_request_set_flags(struct evdns_server_request *req, int flags);
 
 /* Functions to add an answer to an in-progress DNS reply.
  */
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_add_reply(struct evdns_server_request *req, int section, const char *name, int type, int dns_class, int ttl, int datalen, int is_name, const char *data);
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_add_a_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl);
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_add_aaaa_reply(struct evdns_server_request *req, const char *name, int n, const void *addrs, int ttl);
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_add_ptr_reply(struct evdns_server_request *req, struct in_addr *in, const char *inaddr_name, const char *hostname, int ttl);
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_add_cname_reply(struct evdns_server_request *req, const char *name, const char *cname, int ttl);
 
 /**
    Send back a response to a DNS request, and free the request structure.
 */
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_respond(struct evdns_server_request *req, int err);
 /**
    Free a DNS request without sending back a reply.
 */
+EVENT2_EXPORT_SYMBOL
 int evdns_server_request_drop(struct evdns_server_request *req);
 struct sockaddr;
 /**
     Get the address that made a DNS request.
  */
-int evdns_server_request_get_requesting_addr(struct evdns_server_request *_req, struct sockaddr *sa, int addr_len);
+EVENT2_EXPORT_SYMBOL
+int evdns_server_request_get_requesting_addr(struct evdns_server_request *req, struct sockaddr *sa, int addr_len);
 
 /** Callback for evdns_getaddrinfo. */
 typedef void (*evdns_getaddrinfo_cb)(int result, struct evutil_addrinfo *res, void *arg);
@@ -625,6 +681,7 @@
  * - For ai_socktype, we only handle SOCKTYPE_STREAM, SOCKTYPE_UDP, and 0.
  * - For ai_protocol, we only handle IPPROTO_TCP, IPPROTO_UDP, and 0.
  */
+EVENT2_EXPORT_SYMBOL
 struct evdns_getaddrinfo_request *evdns_getaddrinfo(
     struct evdns_base *dns_base,
     const char *nodename, const char *servname,
@@ -634,10 +691,27 @@
 /* Cancel an in-progress evdns_getaddrinfo.  This MUST NOT be called after the
  * getaddrinfo's callback has been invoked.  The resolves will be canceled,
  * and the callback will be invoked with the error EVUTIL_EAI_CANCEL. */
+EVENT2_EXPORT_SYMBOL
 void evdns_getaddrinfo_cancel(struct evdns_getaddrinfo_request *req);
 
+/**
+   Retrieve the address of the 'idx'th configured nameserver.
+
+   @param base The evdns_base to examine.
+   @param idx The index of the nameserver to get the address of.
+   @param sa A location to receive the server's address.
+   @param len The number of bytes available at sa.
+
+   @return the number of bytes written into sa on success.  On failure, returns
+     -1 if idx is greater than the number of configured nameservers, or a
+     value greater than 'len' if len was not high enough.
+ */
+EVENT2_EXPORT_SYMBOL
+int evdns_base_get_nameserver_addr(struct evdns_base *base, int idx,
+    struct sockaddr *sa, ev_socklen_t len);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif  /* !_EVENT2_DNS_H_ */
+#endif  /* !EVENT2_DNS_H_INCLUDED_ */
diff --git a/include/event2/dns_compat.h b/include/event2/dns_compat.h
index 7c1c776..965fd65 100644
--- a/include/event2/dns_compat.h
+++ b/include/event2/dns_compat.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_DNS_COMPAT_H_
-#define _EVENT2_DNS_COMPAT_H_
+#ifndef EVENT2_DNS_COMPAT_H_INCLUDED_
+#define EVENT2_DNS_COMPAT_H_INCLUDED_
 
 /** @file event2/dns_compat.h
 
@@ -40,10 +40,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -324,7 +324,7 @@
 */
 struct evdns_server_port *evdns_add_server_port(evutil_socket_t socket, int flags, evdns_request_callback_fn_type callback, void *user_data);
 
-#ifdef WIN32
+#ifdef _WIN32
 int evdns_config_windows_nameservers(void);
 #define EVDNS_CONFIG_WINDOWS_NAMESERVERS_IMPLEMENTED
 #endif
@@ -333,4 +333,4 @@
 }
 #endif
 
-#endif /* _EVENT2_EVENT_COMPAT_H_ */
+#endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */
diff --git a/include/event2/dns_struct.h b/include/event2/dns_struct.h
index 5a02a0b..593a8a7 100644
--- a/include/event2/dns_struct.h
+++ b/include/event2/dns_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_DNS_STRUCT_H_
-#define _EVENT2_DNS_STRUCT_H_
+#ifndef EVENT2_DNS_STRUCT_H_INCLUDED_
+#define EVENT2_DNS_STRUCT_H_INCLUDED_
 
 /** @file event2/dns_struct.h
 
@@ -39,10 +39,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -76,5 +76,5 @@
 }
 #endif
 
-#endif /* _EVENT2_DNS_STRUCT_H_ */
+#endif /* EVENT2_DNS_STRUCT_H_INCLUDED_ */
 
diff --git a/include/event2/event-config-bionic.h b/include/event2/event-config-bionic.h
index 06fdebe..4287cac 100644
--- a/include/event2/event-config-bionic.h
+++ b/include/event2/event-config-bionic.h
@@ -12,434 +12,489 @@
 #ifndef _EVENT2_EVENT_CONFIG_H_
 #define _EVENT2_EVENT_CONFIG_H_
 
+#include <stddef.h>
 #include <stdint.h>
 /* The size of `size_t', as computed by sizeof. */
 #if SIZE_MAX == UINT64_MAX
-#  define _EVENT_SIZEOF_SIZE_T 8
+#  define EVENT__SIZEOF_SIZE_T 8
 #elif SIZE_MAX == UINT32_MAX
-#  define _EVENT_SIZEOF_SIZE_T 4
+#  define EVENT__SIZEOF_SIZE_T 4
 #else
 #  error "No way to infer sizeof size_t"
 #endif
 
+#define EVENT__HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT8_T 1
+#define EVENT__HAVE_UINTPTR_T 1
+
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define if libevent should build without support for a debug mode */
-/* #undef _EVENT_DISABLE_DEBUG_MODE */
+/* #undef EVENT__DISABLE_DEBUG_MODE */
 
 /* Define if libevent should not allow replacing the mm functions */
-/* #undef _EVENT_DISABLE_MM_REPLACEMENT */
+/* #undef EVENT__DISABLE_MM_REPLACEMENT */
 
 /* Define if libevent should not be compiled with thread support */
-/* #undef _EVENT_DISABLE_THREAD_SUPPORT */
+/* #undef EVENT__DISABLE_THREAD_SUPPORT */
+
+/* Define to 1 if you have the `accept4' function. */
+#define EVENT__HAVE_ACCEPT4 1
 
 /* Define to 1 if you have the `arc4random' function. */
-#define _EVENT_HAVE_ARC4RANDOM 1
+#define EVENT__HAVE_ARC4RANDOM 1
 
 /* Define to 1 if you have the `arc4random_buf' function. */
-#define _EVENT_HAVE_ARC4RANDOM_BUF 1
+#define EVENT__HAVE_ARC4RANDOM_BUF 1
 
 /* Define to 1 if you have the <arpa/inet.h> header file. */
-#define _EVENT_HAVE_ARPA_INET_H 1
+#define EVENT__HAVE_ARPA_INET_H 1
 
 /* Define to 1 if you have the `clock_gettime' function. */
-#define _EVENT_HAVE_CLOCK_GETTIME 1
+#define EVENT__HAVE_CLOCK_GETTIME 1
 
 /* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you
    don't. */
-/* #undef _EVENT_HAVE_DECL_CTL_KERN */
+/* #undef EVENT__HAVE_DECL_CTL_KERN */
 
 /* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you
    don't. */
-/* #undef _EVENT_HAVE_DECL_KERN_ARND */
+/* #undef EVENT__HAVE_DECL_KERN_ARND */
 
 /* Define to 1 if you have the declaration of `KERN_RANDOM', and to 0 if you
    don't. */
-/* #undef _EVENT_HAVE_DECL_KERN_RANDOM */
+/* #undef EVENT__HAVE_DECL_KERN_RANDOM */
 
 /* Define to 1 if you have the declaration of `RANDOM_UUID', and to 0 if you
    don't. */
-/* #undef _EVENT_HAVE_DECL_RANDOM_UUID */
+/* #undef EVENT__HAVE_DECL_RANDOM_UUID */
 
 /* Define if /dev/poll is available */
-/* #undef _EVENT_HAVE_DEVPOLL */
+/* #undef EVENT__HAVE_DEVPOLL */
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
-#define _EVENT_HAVE_DLFCN_H 1
+#define EVENT__HAVE_DLFCN_H 1
 
 /* Define if your system supports the epoll system calls */
-#define _EVENT_HAVE_EPOLL 1
+#define EVENT__HAVE_EPOLL 1
+
+/* Define to 1 if you have the `epoll_create1' function. */
+#define EVENT__HAVE_EPOLL_CREATE1 1
 
 /* Define to 1 if you have the `epoll_ctl' function. */
-#define _EVENT_HAVE_EPOLL_CTL 1
+#define EVENT__HAVE_EPOLL_CTL 1
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define EVENT__HAVE_ERRNO_H 1
+
+/* Define to 1 if you have ERR_remove_thread_stat(). */
+#undef EVENT__HAVE_ERR_REMOVE_THREAD_STATE
 
 /* Define to 1 if you have the `eventfd' function. */
-#define _EVENT_HAVE_EVENTFD 1
+#define EVENT__HAVE_EVENTFD 1
 
 /* Define if your system supports event ports */
-/* #undef _EVENT_HAVE_EVENT_PORTS */
+/* #undef EVENT__HAVE_EVENT_PORTS */
 
 /* Define to 1 if you have the `fcntl' function. */
-#define _EVENT_HAVE_FCNTL 1
+#define EVENT__HAVE_FCNTL 1
 
 /* Define to 1 if you have the <fcntl.h> header file. */
-#define _EVENT_HAVE_FCNTL_H 1
+#define EVENT__HAVE_FCNTL_H 1
 
 /* Define to 1 if the system has the type `fd_mask'. */
-/* #undef _EVENT_HAVE_FD_MASK */
+/* #undef EVENT__HAVE_FD_MASK */
 
 /* Do we have getaddrinfo()? */
-#define _EVENT_HAVE_GETADDRINFO 1
+#define EVENT__HAVE_GETADDRINFO 1
 
 /* Define to 1 if you have the `getegid' function. */
-#define _EVENT_HAVE_GETEGID 1
+#define EVENT__HAVE_GETEGID 1
 
 /* Define to 1 if you have the `geteuid' function. */
-#define _EVENT_HAVE_GETEUID 1
+#define EVENT__HAVE_GETEUID 1
 
 /* Define this if you have any gethostbyname_r() */
-#define _EVENT_HAVE_GETHOSTBYNAME_R 1
+#define EVENT__HAVE_GETHOSTBYNAME_R 1
 
 /* Define this if gethostbyname_r takes 3 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_3_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_3_ARG */
 
 /* Define this if gethostbyname_r takes 5 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_5_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_5_ARG */
 
 /* Define this if gethostbyname_r takes 6 arguments */
-#define _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG 1
+#define EVENT__HAVE_GETHOSTBYNAME_R_6_ARG 1
+
+/* Define to 1 if you have the `getifaddrs' function. */
+#define EVENT__HAVE_GETIFADDRS 1
 
 /* Define to 1 if you have the `getnameinfo' function. */
-#define _EVENT_HAVE_GETNAMEINFO 1
+#define EVENT__HAVE_GETNAMEINFO 1
 
 /* Define to 1 if you have the `getprotobynumber' function. */
-#define _EVENT_HAVE_GETPROTOBYNUMBER 1
+#define EVENT__HAVE_GETPROTOBYNUMBER 1
 
 /* Define to 1 if you have the `getservbyname' function. */
-/* #undef _EVENT_HAVE_GETSERVBYNAME */
+/* #undef EVENT__HAVE_GETSERVBYNAME */
 
 /* Define to 1 if you have the `gettimeofday' function. */
-#define _EVENT_HAVE_GETTIMEOFDAY 1
+#define EVENT__HAVE_GETTIMEOFDAY 1
 
-/* Define to 1 if you have the `inet_aton' function. */
-#define _EVENT_HAVE_INET_ATON 1
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define EVENT__HAVE_IFADDRS_H 1
 
 /* Define to 1 if you have the `inet_ntop' function. */
-#define _EVENT_HAVE_INET_NTOP 1
+#define EVENT__HAVE_INET_NTOP 1
 
 /* Define to 1 if you have the `inet_pton' function. */
-#define _EVENT_HAVE_INET_PTON 1
+#define EVENT__HAVE_INET_PTON 1
 
 /* Define to 1 if you have the <inttypes.h> header file. */
-#define _EVENT_HAVE_INTTYPES_H 1
+#define EVENT__HAVE_INTTYPES_H 1
 
 /* Define to 1 if you have the `issetugid' function. */
-/* #undef _EVENT_HAVE_ISSETUGID */
+/* #undef EVENT__HAVE_ISSETUGID */
 
 /* Define to 1 if you have the `kqueue' function. */
-/* #undef _EVENT_HAVE_KQUEUE */
+/* #undef EVENT__HAVE_KQUEUE */
 
 /* Define if the system has zlib */
-#define _EVENT_HAVE_LIBZ 1
+#define EVENT__HAVE_LIBZ 1
+
+/* Define to 1 if you have the `mach_absolute_time' function. */
+#undef HAVE_MACH_ABSOLUTE_TIME
+
+/* Define to 1 if you have the <mach/mach_time.h> header file. */
+#undef HAVE_MACH_MACH_TIME_H
 
 /* Define to 1 if you have the <memory.h> header file. */
-#define _EVENT_HAVE_MEMORY_H 1
+#define EVENT__HAVE_MEMORY_H 1
 
 /* Define to 1 if you have the `mmap' function. */
-#define _EVENT_HAVE_MMAP 1
+#define EVENT__HAVE_MMAP 1
+
+/* Define to 1 if you have the `nanosleep' function. */
+#define EVENT__HAVE_NANOSLEEP 1
 
 /* Define to 1 if you have the <netdb.h> header file. */
-#define _EVENT_HAVE_NETDB_H 1
+#define EVENT__HAVE_NETDB_H 1
 
 /* Define to 1 if you have the <netinet/in6.h> header file. */
-#define _EVENT_HAVE_NETINET_IN6_H 1
+#define EVENT__HAVE_NETINET_IN6_H 1
 
 /* Define to 1 if you have the <netinet/in.h> header file. */
-#define _EVENT_HAVE_NETINET_IN_H 1
+#define EVENT__HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define EVENT__HAVE_NETINET_TCP_H 1
 
 /* Define if the system has openssl */
-#define _EVENT_HAVE_OPENSSL 1
-
-/* Define to 1 if you have the <openssl/bio.h> header file. */
-/* #undef _EVENT_HAVE_OPENSSL_BIO_H */
+#define EVENT__HAVE_OPENSSL 1
 
 /* Define to 1 if you have the `pipe' function. */
-#define _EVENT_HAVE_PIPE 1
+#define EVENT__HAVE_PIPE 1
+
+/* Define to 1 if you have the `pipe2' function. */
+#define EVENT__HAVE_PIPE2 1
 
 /* Define to 1 if you have the `poll' function. */
-#define _EVENT_HAVE_POLL 1
+#define EVENT__HAVE_POLL 1
 
 /* Define to 1 if you have the <poll.h> header file. */
-#define _EVENT_HAVE_POLL_H 1
+#define EVENT__HAVE_POLL_H 1
 
 /* Define to 1 if you have the `port_create' function. */
-/* #undef _EVENT_HAVE_PORT_CREATE */
+/* #undef EVENT__HAVE_PORT_CREATE */
 
 /* Define to 1 if you have the <port.h> header file. */
-/* #undef _EVENT_HAVE_PORT_H */
+/* #undef EVENT__HAVE_PORT_H */
 
 /* Define if you have POSIX threads libraries and header files. */
-/* #undef _EVENT_HAVE_PTHREAD */
+/* #undef EVENT__HAVE_PTHREAD */
 
 /* Define if we have pthreads on this system */
-#define _EVENT_HAVE_PTHREADS 1
+#define EVENT__HAVE_PTHREADS 1
 
 /* Define to 1 if you have the `putenv' function. */
-#define _EVENT_HAVE_PUTENV 1
+#define EVENT__HAVE_PUTENV 1
 
 /* Define to 1 if the system has the type `sa_family_t'. */
-#define _EVENT_HAVE_SA_FAMILY_T 1
+#define EVENT__HAVE_SA_FAMILY_T 1
 
 /* Define to 1 if you have the `select' function. */
-#define _EVENT_HAVE_SELECT 1
+#define EVENT__HAVE_SELECT 1
 
 /* Define to 1 if you have the `sendfile' function. */
-#define _EVENT_HAVE_SENDFILE 1
+#define EVENT__HAVE_SENDFILE 1
 
 /* Define to 1 if you have the `setenv' function. */
-#define _EVENT_HAVE_SETENV 1
+#define EVENT__HAVE_SETENV 1
 
 /* Define if F_SETFD is defined in <fcntl.h> */
-#define _EVENT_HAVE_SETFD 1
+#define EVENT__HAVE_SETFD 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
 
 /* Define to 1 if you have the `sigaction' function. */
-#define _EVENT_HAVE_SIGACTION 1
+#define EVENT__HAVE_SIGACTION 1
 
 /* Define to 1 if you have the `signal' function. */
-#define _EVENT_HAVE_SIGNAL 1
+#define EVENT__HAVE_SIGNAL 1
 
 /* Define to 1 if you have the `splice' function. */
-#define _EVENT_HAVE_SPLICE 1
+#define EVENT__HAVE_SPLICE 1
 
 /* Define to 1 if you have the <stdarg.h> header file. */
-#define _EVENT_HAVE_STDARG_H 1
+#define EVENT__HAVE_STDARG_H 1
 
 /* Define to 1 if you have the <stddef.h> header file. */
-#define _EVENT_HAVE_STDDEF_H 1
+#define EVENT__HAVE_STDDEF_H 1
 
 /* Define to 1 if you have the <stdint.h> header file. */
-#define _EVENT_HAVE_STDINT_H 1
+#define EVENT__HAVE_STDINT_H 1
 
 /* Define to 1 if you have the <stdlib.h> header file. */
-#define _EVENT_HAVE_STDLIB_H 1
+#define EVENT__HAVE_STDLIB_H 1
 
 /* Define to 1 if you have the <strings.h> header file. */
-#define _EVENT_HAVE_STRINGS_H 1
+#define EVENT__HAVE_STRINGS_H 1
 
 /* Define to 1 if you have the <string.h> header file. */
-#define _EVENT_HAVE_STRING_H 1
+#define EVENT__HAVE_STRING_H 1
 
 /* Define to 1 if you have the `strlcpy' function. */
-#define _EVENT_HAVE_STRLCPY 1
+#define EVENT__HAVE_STRLCPY 1
 
 /* Define to 1 if you have the `strsep' function. */
-#define _EVENT_HAVE_STRSEP 1
+#define EVENT__HAVE_STRSEP 1
 
 /* Define to 1 if you have the `strtok_r' function. */
-#define _EVENT_HAVE_STRTOK_R 1
+#define EVENT__HAVE_STRTOK_R 1
 
 /* Define to 1 if you have the `strtoll' function. */
-#define _EVENT_HAVE_STRTOLL 1
+#define EVENT__HAVE_STRTOLL 1
 
 /* Define to 1 if the system has the type `struct addrinfo'. */
-#define _EVENT_HAVE_STRUCT_ADDRINFO 1
+#define EVENT__HAVE_STRUCT_ADDRINFO 1
 
 /* Define to 1 if the system has the type `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR 1
 
 /* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1
 
 /* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1
 
 /* Define to 1 if the system has the type `struct sockaddr_in6'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_IN6 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN6 1
 
 /* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */
 
 /* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
 
 /* Define to 1 if the system has the type `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE 1
 
 /* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
 
 /* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+
+/* Define to 1 if the system has the type `struct so_linger'. */
+#define HAVE_STRUCT_SO_LINGER 1
 
 /* Define to 1 if you have the `sysctl' function. */
-/* #undef _EVENT_HAVE_SYSCTL */
+/* #undef EVENT__HAVE_SYSCTL */
 
 /* Define to 1 if you have the <sys/devpoll.h> header file. */
-/* #undef _EVENT_HAVE_SYS_DEVPOLL_H */
+/* #undef EVENT__HAVE_SYS_DEVPOLL_H */
 
 /* Define to 1 if you have the <sys/epoll.h> header file. */
-#define _EVENT_HAVE_SYS_EPOLL_H 1
+#define EVENT__HAVE_SYS_EPOLL_H 1
 
 /* Define to 1 if you have the <sys/eventfd.h> header file. */
-#define _EVENT_HAVE_SYS_EVENTFD_H 1
+#define EVENT__HAVE_SYS_EVENTFD_H 1
 
 /* Define to 1 if you have the <sys/event.h> header file. */
-/* #undef _EVENT_HAVE_SYS_EVENT_H */
+/* #undef EVENT__HAVE_SYS_EVENT_H */
 
 /* Define to 1 if you have the <sys/ioctl.h> header file. */
-#define _EVENT_HAVE_SYS_IOCTL_H 1
+#define EVENT__HAVE_SYS_IOCTL_H 1
 
 /* Define to 1 if you have the <sys/mman.h> header file. */
-#define _EVENT_HAVE_SYS_MMAN_H 1
+#define EVENT__HAVE_SYS_MMAN_H 1
 
 /* Define to 1 if you have the <sys/param.h> header file. */
-#define _EVENT_HAVE_SYS_PARAM_H 1
+#define EVENT__HAVE_SYS_PARAM_H 1
 
 /* Define to 1 if you have the <sys/queue.h> header file. */
-#define _EVENT_HAVE_SYS_QUEUE_H 1
+#define EVENT__HAVE_SYS_QUEUE_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
 
 /* Define to 1 if you have the <sys/select.h> header file. */
-#define _EVENT_HAVE_SYS_SELECT_H 1
+#define EVENT__HAVE_SYS_SELECT_H 1
 
 /* Define to 1 if you have the <sys/sendfile.h> header file. */
-#define _EVENT_HAVE_SYS_SENDFILE_H 1
+#define EVENT__HAVE_SYS_SENDFILE_H 1
 
 /* Define to 1 if you have the <sys/socket.h> header file. */
-#define _EVENT_HAVE_SYS_SOCKET_H 1
+#define EVENT__HAVE_SYS_SOCKET_H 1
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
-#define _EVENT_HAVE_SYS_STAT_H 1
+#define EVENT__HAVE_SYS_STAT_H 1
 
 /* Define to 1 if you have the <sys/sysctl.h> header file. */
-/* #undef _EVENT_HAVE_SYS_SYSCTL_H */
+/* #undef EVENT__HAVE_SYS_SYSCTL_H */
+
+/* Define to 1 if you have the <sys/timerfd.h> header file. */
+#define HAVE_SYS_TIMERFD_H 1
 
 /* Define to 1 if you have the <sys/time.h> header file. */
-#define _EVENT_HAVE_SYS_TIME_H 1
+#define EVENT__HAVE_SYS_TIME_H 1
 
 /* Define to 1 if you have the <sys/types.h> header file. */
-#define _EVENT_HAVE_SYS_TYPES_H 1
+#define EVENT__HAVE_SYS_TYPES_H 1
 
 /* Define to 1 if you have the <sys/uio.h> header file. */
-#define _EVENT_HAVE_SYS_UIO_H 1
+#define EVENT__HAVE_SYS_UIO_H 1
 
 /* Define to 1 if you have the <sys/wait.h> header file. */
-#define _EVENT_HAVE_SYS_WAIT_H 1
+#define EVENT__HAVE_SYS_WAIT_H 1
 
 /* Define if TAILQ_FOREACH is defined in <sys/queue.h> */
-/*#define _EVENT_HAVE_TAILQFOREACH 1 */
+/*#define EVENT__HAVE_TAILQFOREACH 1 */
 
 /* Define if timeradd is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERADD 1
+#define EVENT__HAVE_TIMERADD 1
 
 /* Define if timerclear is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCLEAR 1
+#define EVENT__HAVE_TIMERCLEAR 1
 
 /* Define if timercmp is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCMP 1
+#define EVENT__HAVE_TIMERCMP 1
+
+/* Define to 1 if you have the `timerfd_create' function. */
+#define HAVE_TIMERFD_CREATE 1
 
 /* Define if timerisset is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERISSET 1
+#define EVENT__HAVE_TIMERISSET 1
 
 /* Define to 1 if the system has the type `uint16_t'. */
-#define _EVENT_HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT16_T 1
 
 /* Define to 1 if the system has the type `uint32_t'. */
-#define _EVENT_HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT32_T 1
 
 /* Define to 1 if the system has the type `uint64_t'. */
-#define _EVENT_HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT64_T 1
 
 /* Define to 1 if the system has the type `uint8_t'. */
-#define _EVENT_HAVE_UINT8_T 1
+#define EVENT__HAVE_UINT8_T 1
 
 /* Define to 1 if the system has the type `uintptr_t'. */
-#define _EVENT_HAVE_UINTPTR_T 1
+#define EVENT__HAVE_UINTPTR_T 1
 
 /* Define to 1 if you have the `umask' function. */
-#define _EVENT_HAVE_UMASK 1
+#define EVENT__HAVE_UMASK 1
 
 /* Define to 1 if you have the <unistd.h> header file. */
-#define _EVENT_HAVE_UNISTD_H 1
+#define EVENT__HAVE_UNISTD_H 1
 
 /* Define to 1 if you have the `unsetenv' function. */
-#define _EVENT_HAVE_UNSETENV 1
+#define EVENT__HAVE_UNSETENV 1
+
+/* Define to 1 if you have the `usleep' function. */
+#define HAVE_USLEEP 1
 
 /* Define to 1 if you have the `vasprintf' function. */
-#define _EVENT_HAVE_VASPRINTF 1
+#define EVENT__HAVE_VASPRINTF 1
+
+/* Define if waitpid() supports WNOWAIT */
+#define HAVE_WAITPID_WITH_WNOWAIT 1
 
 /* Define if kqueue works correctly with pipes */
-/* #undef _EVENT_HAVE_WORKING_KQUEUE */
+/* #undef EVENT__HAVE_WORKING_KQUEUE */
 
 /* Define to 1 if you have the <zlib.h> header file. */
-#define _EVENT_HAVE_ZLIB_H 1
+#define EVENT__HAVE_ZLIB_H 1
 
 /* Define to the sub-directory in which libtool stores uninstalled libraries.
    */
-#define _EVENT_LT_OBJDIR ".libs/"
+#define EVENT__LT_OBJDIR ".libs/"
 
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
-/* #undef _EVENT_NO_MINUS_C_MINUS_O */
+/* #undef EVENT__NO_MINUS_C_MINUS_O */
 
 /* Numeric representation of the version */
-#define _EVENT_NUMERIC_VERSION 0x02001600
+#define EVENT__NUMERIC_VERSION 0x02001600
 
 /* Name of package */
-#define _EVENT_PACKAGE "libevent"
+#define EVENT__PACKAGE "libevent"
 
 /* Define to the address where bug reports for this package should be sent. */
-#define _EVENT_PACKAGE_BUGREPORT ""
+#define EVENT__PACKAGE_BUGREPORT ""
 
 /* Define to the full name of this package. */
-#define _EVENT_PACKAGE_NAME ""
+#define EVENT__PACKAGE_NAME ""
 
 /* Define to the full name and version of this package. */
-#define _EVENT_PACKAGE_STRING ""
+#define EVENT__PACKAGE_STRING ""
 
 /* Define to the one symbol short name of this package. */
-#define _EVENT_PACKAGE_TARNAME ""
+#define EVENT__PACKAGE_TARNAME ""
 
 /* Define to the home page for this package. */
-#define _EVENT_PACKAGE_URL ""
+#define EVENT__PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define _EVENT_PACKAGE_VERSION ""
+#define EVENT__PACKAGE_VERSION ""
 
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
-/* #undef _EVENT_PTHREAD_CREATE_JOINABLE */
+/* #undef EVENT__PTHREAD_CREATE_JOINABLE */
 
 /* Define to 1 if you have the ANSI C header files. */
-#define _EVENT_STDC_HEADERS 1
+#define EVENT__STDC_HEADERS 1
 
 /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
-#define _EVENT_TIME_WITH_SYS_TIME 1
+#define EVENT__TIME_WITH_SYS_TIME 1
 
 /* Version number of package */
-#define _EVENT_VERSION "2.0.22-stable"
+#define EVENT__VERSION "2.1.8-stable"
 
 /* Define to appropriate substitue if compiler doesnt have __func__ */
-/* #undef _EVENT___func__ */
+/* #undef EVENT____func__ */
 
 /* Define to empty if `const' does not conform to ANSI C. */
-/* #undef _EVENT_const */
+/* #undef EVENT__const */
 
 /* Define to `__inline__' or `__inline' if that's what the C compiler
    calls it, or to nothing if 'inline' is not supported under any name.  */
-#ifndef _EVENT___cplusplus
-/* #undef _EVENT_inline */
+#ifndef EVENT____cplusplus
+/* #undef EVENT__inline */
 #endif
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_pid_t */
+/* #undef EVENT__pid_t */
 
 /* Define to `unsigned int' if <sys/types.h> does not define. */
-/* #undef _EVENT_size_t */
+/* #undef EVENT__size_t */
 
 /* Define to unsigned int if you dont have it */
-/* #undef _EVENT_socklen_t */
+/* #undef EVENT__socklen_t */
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_ssize_t */
+/* #undef EVENT__ssize_t */
 
 #endif /* event2/event-config.h */
diff --git a/include/event2/event-config-darwin.h b/include/event2/event-config-darwin.h
index 4d4e239..961257f 100644
--- a/include/event2/event-config-darwin.h
+++ b/include/event2/event-config-darwin.h
@@ -11,456 +11,511 @@
 #ifndef _EVENT2_EVENT_CONFIG_H_
 #define _EVENT2_EVENT_CONFIG_H_
 
+#include <stddef.h>
 #include <stdint.h>
 
 /* The size of `size_t', as computed by sizeof. */
 #if SIZE_MAX == UINT64_MAX
-#  define _EVENT_SIZEOF_SIZE_T 8
+#  define EVENT__SIZEOF_SIZE_T 8
 #elif SIZE_MAX == UINT32_MAX
-#  define _EVENT_SIZEOF_SIZE_T 4
+#  define EVENT__SIZEOF_SIZE_T 4
 #else
 #  error "No way to infer sizeof size_t"
 #endif
 
+#define EVENT__HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT8_T 1
+#define EVENT__HAVE_UINTPTR_T 1
+
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define if libevent should build without support for a debug mode */
-/* #undef _EVENT_DISABLE_DEBUG_MODE */
+/* #undef EVENT__DISABLE_DEBUG_MODE */
 
 /* Define if libevent should not allow replacing the mm functions */
-/* #undef _EVENT_DISABLE_MM_REPLACEMENT */
+/* #undef EVENT__DISABLE_MM_REPLACEMENT */
 
 /* Define if libevent should not be compiled with thread support */
-/* #undef _EVENT_DISABLE_THREAD_SUPPORT */
+/* #undef EVENT__DISABLE_THREAD_SUPPORT */
+
+/* Define to 1 if you have the `accept4' function. */
+/* #undef EVENT__HAVE_ACCEPT4 */
 
 /* Define to 1 if you have the `arc4random' function. */
-#define _EVENT_HAVE_ARC4RANDOM 1
+#define EVENT__HAVE_ARC4RANDOM 1
 
 /* Define to 1 if you have the `arc4random_buf' function. */
-#define _EVENT_HAVE_ARC4RANDOM_BUF 1
+#define EVENT__HAVE_ARC4RANDOM_BUF 1
 
 /* Define to 1 if you have the <arpa/inet.h> header file. */
-#define _EVENT_HAVE_ARPA_INET_H 1
+#define EVENT__HAVE_ARPA_INET_H 1
 
 /* Define to 1 if you have the `clock_gettime' function. */
-/* #undef _EVENT_HAVE_CLOCK_GETTIME */
+/* #undef EVENT__HAVE_CLOCK_GETTIME */
 
 /* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_CTL_KERN 1
+#define EVENT__HAVE_DECL_CTL_KERN 1
 
 /* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_KERN_ARND 0
+#define EVENT__HAVE_DECL_KERN_ARND 0
 
 /* Define to 1 if you have the declaration of `KERN_RANDOM', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_KERN_RANDOM 0
+#define EVENT__HAVE_DECL_KERN_RANDOM 0
 
 /* Define to 1 if you have the declaration of `RANDOM_UUID', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_RANDOM_UUID 0
+#define EVENT__HAVE_DECL_RANDOM_UUID 0
 
 /* Define if /dev/poll is available */
-/* #undef _EVENT_HAVE_DEVPOLL */
+/* #undef EVENT__HAVE_DEVPOLL */
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
-#define _EVENT_HAVE_DLFCN_H 1
+#define EVENT__HAVE_DLFCN_H 1
 
 /* Define if your system supports the epoll system calls */
-/* #undef _EVENT_HAVE_EPOLL */
+/* #undef EVENT__HAVE_EPOLL */
+
+/* Define to 1 if you have the `epoll_create1' function. */
+/* #undef EVENT__HAVE_EPOLL_CREATE1 */
 
 /* Define to 1 if you have the `epoll_ctl' function. */
-/* #undef _EVENT_HAVE_EPOLL_CTL */
+/* #undef EVENT__HAVE_EPOLL_CTL */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define EVENT__HAVE_ERRNO_H 1
+
+/* Define to 1 if you have ERR_remove_thread_stat(). */
+/* #undef EVENT__HAVE_ERR_REMOVE_THREAD_STATE */
 
 /* Define to 1 if you have the `eventfd' function. */
-/* #undef _EVENT_HAVE_EVENTFD */
+/* #undef EVENT__HAVE_EVENTFD */
 
 /* Define if your system supports event ports */
-/* #undef _EVENT_HAVE_EVENT_PORTS */
+/* #undef EVENT__HAVE_EVENT_PORTS */
 
 /* Define to 1 if you have the `fcntl' function. */
-#define _EVENT_HAVE_FCNTL 1
+#define EVENT__HAVE_FCNTL 1
 
 /* Define to 1 if you have the <fcntl.h> header file. */
-#define _EVENT_HAVE_FCNTL_H 1
+#define EVENT__HAVE_FCNTL_H 1
 
 /* Define to 1 if the system has the type `fd_mask'. */
-#define _EVENT_HAVE_FD_MASK 1
+#define EVENT__HAVE_FD_MASK 1
 
 /* Do we have getaddrinfo()? */
-#define _EVENT_HAVE_GETADDRINFO 1
+#define EVENT__HAVE_GETADDRINFO 1
 
 /* Define to 1 if you have the `getegid' function. */
-#define _EVENT_HAVE_GETEGID 1
+#define EVENT__HAVE_GETEGID 1
 
 /* Define to 1 if you have the `geteuid' function. */
-#define _EVENT_HAVE_GETEUID 1
+#define EVENT__HAVE_GETEUID 1
 
 /* Define this if you have any gethostbyname_r() */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R */
 
 /* Define this if gethostbyname_r takes 3 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_3_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_3_ARG */
 
 /* Define this if gethostbyname_r takes 5 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_5_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_5_ARG */
 
 /* Define this if gethostbyname_r takes 6 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_6_ARG */
+
+/* Define to 1 if you have the `getifaddrs' function. */
+#define EVENT__HAVE_GETIFADDRS 1
 
 /* Define to 1 if you have the `getnameinfo' function. */
-#define _EVENT_HAVE_GETNAMEINFO 1
+#define EVENT__HAVE_GETNAMEINFO 1
 
 /* Define to 1 if you have the `getprotobynumber' function. */
-#define _EVENT_HAVE_GETPROTOBYNUMBER 1
+#define EVENT__HAVE_GETPROTOBYNUMBER 1
 
 /* Define to 1 if you have the `getservbyname' function. */
-/* #undef _EVENT_HAVE_GETSERVBYNAME */
+/* #undef EVENT__HAVE_GETSERVBYNAME */
 
 /* Define to 1 if you have the `gettimeofday' function. */
-#define _EVENT_HAVE_GETTIMEOFDAY 1
+#define EVENT__HAVE_GETTIMEOFDAY 1
 
-/* Define to 1 if you have the `inet_aton' function. */
-#define _EVENT_HAVE_INET_ATON 1
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define EVENT__HAVE_IFADDRS_H 1
 
 /* Define to 1 if you have the `inet_ntop' function. */
-#define _EVENT_HAVE_INET_NTOP 1
+#define EVENT__HAVE_INET_NTOP 1
 
 /* Define to 1 if you have the `inet_pton' function. */
-#define _EVENT_HAVE_INET_PTON 1
+#define EVENT__HAVE_INET_PTON 1
 
 /* Define to 1 if you have the <inttypes.h> header file. */
-#define _EVENT_HAVE_INTTYPES_H 1
+#define EVENT__HAVE_INTTYPES_H 1
 
 /* Define to 1 if you have the `issetugid' function. */
-#define _EVENT_HAVE_ISSETUGID 1
+#define EVENT__HAVE_ISSETUGID 1
 
 /* Define to 1 if you have the `kqueue' function. */
-#define _EVENT_HAVE_KQUEUE 1
+#define EVENT__HAVE_KQUEUE 1
 
 /* Define if the system has zlib */
-#define _EVENT_HAVE_LIBZ 1
+#define EVENT__HAVE_LIBZ 1
+
+/* Define to 1 if you have the `mach_absolute_time' function. */
+#define HAVE_MACH_ABSOLUTE_TIME 1
+
+/* Define to 1 if you have the <mach/mach_time.h> header file. */
+#define HAVE_MACH_MACH_TIME_H 1
 
 /* Define to 1 if you have the <memory.h> header file. */
-#define _EVENT_HAVE_MEMORY_H 1
+#define EVENT__HAVE_MEMORY_H 1
 
 /* Define to 1 if you have the `mmap' function. */
-#define _EVENT_HAVE_MMAP 1
+#define EVENT__HAVE_MMAP 1
+
+/* Define to 1 if you have the `nanosleep' function. */
+#define HAVE_NANOSLEEP 1
 
 /* Define to 1 if you have the <netdb.h> header file. */
-#define _EVENT_HAVE_NETDB_H 1
+#define EVENT__HAVE_NETDB_H 1
 
 /* Define to 1 if you have the <netinet/in6.h> header file. */
-/* #undef _EVENT_HAVE_NETINET_IN6_H */
+/* #undef EVENT__HAVE_NETINET_IN6_H */
 
 /* Define to 1 if you have the <netinet/in.h> header file. */
-#define _EVENT_HAVE_NETINET_IN_H 1
+#define EVENT__HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define HAVE_NETINET_TCP_H 1
 
 /* Define if the system has openssl */
-#define _EVENT_HAVE_OPENSSL 1
-
-/* Define to 1 if you have the <openssl/bio.h> header file. */
-#define _EVENT_HAVE_OPENSSL_BIO_H 1
+#define EVENT__HAVE_OPENSSL 1
 
 /* Define to 1 if you have the `pipe' function. */
-#define _EVENT_HAVE_PIPE 1
+#define EVENT__HAVE_PIPE 1
+
+/* Define to 1 if you have the `pipe2' function. */
+/* #undef EVENT__HAVE_PIPE2 */
 
 /* Define to 1 if you have the `poll' function. */
-#define _EVENT_HAVE_POLL 1
+#define EVENT__HAVE_POLL 1
 
 /* Define to 1 if you have the <poll.h> header file. */
-#define _EVENT_HAVE_POLL_H 1
+#define EVENT__HAVE_POLL_H 1
 
 /* Define to 1 if you have the `port_create' function. */
-/* #undef _EVENT_HAVE_PORT_CREATE */
+/* #undef EVENT__HAVE_PORT_CREATE */
 
 /* Define to 1 if you have the <port.h> header file. */
-/* #undef _EVENT_HAVE_PORT_H */
+/* #undef EVENT__HAVE_PORT_H */
 
 /* Define if you have POSIX threads libraries and header files. */
-/* #undef _EVENT_HAVE_PTHREAD */
+/* #undef EVENT__HAVE_PTHREAD */
 
 /* Define if we have pthreads on this system */
-#define _EVENT_HAVE_PTHREADS 1
+#define EVENT__HAVE_PTHREADS 1
 
 /* Define to 1 if you have the `putenv' function. */
-#define _EVENT_HAVE_PUTENV 1
+#define EVENT__HAVE_PUTENV 1
 
 /* Define to 1 if the system has the type `sa_family_t'. */
-#define _EVENT_HAVE_SA_FAMILY_T 1
+#define EVENT__HAVE_SA_FAMILY_T 1
 
 /* Define to 1 if you have the `select' function. */
-#define _EVENT_HAVE_SELECT 1
+#define EVENT__HAVE_SELECT 1
 
 /* Define to 1 if you have the `sendfile' function. */
-#define _EVENT_HAVE_SENDFILE 1
+#define EVENT__HAVE_SENDFILE 1
 
 /* Define to 1 if you have the `setenv' function. */
-#define _EVENT_HAVE_SETENV 1
+#define EVENT__HAVE_SETENV 1
 
 /* Define if F_SETFD is defined in <fcntl.h> */
-#define _EVENT_HAVE_SETFD 1
+#define EVENT__HAVE_SETFD 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define EVENT__HAVE_SETRLIMIT 1
 
 /* Define to 1 if you have the `sigaction' function. */
-#define _EVENT_HAVE_SIGACTION 1
+#define EVENT__HAVE_SIGACTION 1
 
 /* Define to 1 if you have the `signal' function. */
-#define _EVENT_HAVE_SIGNAL 1
+#define EVENT__HAVE_SIGNAL 1
 
 /* Define to 1 if you have the `splice' function. */
-/* #undef _EVENT_HAVE_SPLICE */
+/* #undef EVENT__HAVE_SPLICE */
 
 /* Define to 1 if you have the <stdarg.h> header file. */
-#define _EVENT_HAVE_STDARG_H 1
+#define EVENT__HAVE_STDARG_H 1
 
 /* Define to 1 if you have the <stddef.h> header file. */
-#define _EVENT_HAVE_STDDEF_H 1
+#define EVENT__HAVE_STDDEF_H 1
 
 /* Define to 1 if you have the <stdint.h> header file. */
-#define _EVENT_HAVE_STDINT_H 1
+#define EVENT__HAVE_STDINT_H 1
 
 /* Define to 1 if you have the <stdlib.h> header file. */
-#define _EVENT_HAVE_STDLIB_H 1
+#define EVENT__HAVE_STDLIB_H 1
 
 /* Define to 1 if you have the <strings.h> header file. */
-#define _EVENT_HAVE_STRINGS_H 1
+#define EVENT__HAVE_STRINGS_H 1
 
 /* Define to 1 if you have the <string.h> header file. */
-#define _EVENT_HAVE_STRING_H 1
+#define EVENT__HAVE_STRING_H 1
 
 /* Define to 1 if you have the `strlcpy' function. */
-#define _EVENT_HAVE_STRLCPY 1
+#define EVENT__HAVE_STRLCPY 1
 
 /* Define to 1 if you have the `strsep' function. */
-#define _EVENT_HAVE_STRSEP 1
+#define EVENT__HAVE_STRSEP 1
 
 /* Define to 1 if you have the `strtok_r' function. */
-#define _EVENT_HAVE_STRTOK_R 1
+#define EVENT__HAVE_STRTOK_R 1
 
 /* Define to 1 if you have the `strtoll' function. */
-#define _EVENT_HAVE_STRTOLL 1
+#define EVENT__HAVE_STRTOLL 1
 
 /* Define to 1 if the system has the type `struct addrinfo'. */
-#define _EVENT_HAVE_STRUCT_ADDRINFO 1
+#define EVENT__HAVE_STRUCT_ADDRINFO 1
 
 /* Define to 1 if the system has the type `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR 1
 
 /* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */
-/* #undef _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR16 */
+/* #undef EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16 */
 
 /* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */
-/* #undef _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR32 */
+/* #undef EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32 */
 
 /* Define to 1 if the system has the type `struct sockaddr_in6'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_IN6 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN6 1
 
 /* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN 1
 
 /* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN 1
 
 /* Define to 1 if the system has the type `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE 1
 
 /* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
 
 /* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+
+/* Define to 1 if the system has the type `struct so_linger'. */
+#define HAVE_STRUCT_SO_LINGER 1
 
 /* Define to 1 if you have the `sysctl' function. */
-#define _EVENT_HAVE_SYSCTL 1
+#define EVENT__HAVE_SYSCTL 1
 
 /* Define to 1 if you have the <sys/devpoll.h> header file. */
-/* #undef _EVENT_HAVE_SYS_DEVPOLL_H */
+/* #undef EVENT__HAVE_SYS_DEVPOLL_H */
 
 /* Define to 1 if you have the <sys/epoll.h> header file. */
-/* #undef _EVENT_HAVE_SYS_EPOLL_H */
+/* #undef EVENT__HAVE_SYS_EPOLL_H */
 
 /* Define to 1 if you have the <sys/eventfd.h> header file. */
-/* #undef _EVENT_HAVE_SYS_EVENTFD_H */
+/* #undef EVENT__HAVE_SYS_EVENTFD_H */
 
 /* Define to 1 if you have the <sys/event.h> header file. */
-#define _EVENT_HAVE_SYS_EVENT_H 1
+#define EVENT__HAVE_SYS_EVENT_H 1
 
 /* Define to 1 if you have the <sys/ioctl.h> header file. */
-#define _EVENT_HAVE_SYS_IOCTL_H 1
+#define EVENT__HAVE_SYS_IOCTL_H 1
 
 /* Define to 1 if you have the <sys/mman.h> header file. */
-#define _EVENT_HAVE_SYS_MMAN_H 1
+#define EVENT__HAVE_SYS_MMAN_H 1
 
 /* Define to 1 if you have the <sys/param.h> header file. */
-#define _EVENT_HAVE_SYS_PARAM_H 1
+#define EVENT__HAVE_SYS_PARAM_H 1
 
 /* Define to 1 if you have the <sys/queue.h> header file. */
-#define _EVENT_HAVE_SYS_QUEUE_H 1
+#define EVENT__HAVE_SYS_QUEUE_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define EVENT__HAVE_SYS_RESOURCE_H 1
 
 /* Define to 1 if you have the <sys/select.h> header file. */
-#define _EVENT_HAVE_SYS_SELECT_H 1
+#define EVENT__HAVE_SYS_SELECT_H 1
 
 /* Define to 1 if you have the <sys/sendfile.h> header file. */
-/* #undef _EVENT_HAVE_SYS_SENDFILE_H */
+/* #undef EVENT__HAVE_SYS_SENDFILE_H */
 
 /* Define to 1 if you have the <sys/socket.h> header file. */
-#define _EVENT_HAVE_SYS_SOCKET_H 1
+#define EVENT__HAVE_SYS_SOCKET_H 1
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
-#define _EVENT_HAVE_SYS_STAT_H 1
+#define EVENT__HAVE_SYS_STAT_H 1
 
 /* Define to 1 if you have the <sys/sysctl.h> header file. */
-#define _EVENT_HAVE_SYS_SYSCTL_H 1
+#define EVENT__HAVE_SYS_SYSCTL_H 1
+
+/* Define to 1 if you have the <sys/timerfd.h> header file. */
+#define EVENT__HAVE_SYS_TIMERFD_H 1
 
 /* Define to 1 if you have the <sys/time.h> header file. */
-#define _EVENT_HAVE_SYS_TIME_H 1
+#define EVENT__HAVE_SYS_TIME_H 1
 
 /* Define to 1 if you have the <sys/types.h> header file. */
-#define _EVENT_HAVE_SYS_TYPES_H 1
+#define EVENT__HAVE_SYS_TYPES_H 1
 
 /* Define to 1 if you have the <sys/uio.h> header file. */
-#define _EVENT_HAVE_SYS_UIO_H 1
+#define EVENT__HAVE_SYS_UIO_H 1
 
 /* Define to 1 if you have the <sys/wait.h> header file. */
-#define _EVENT_HAVE_SYS_WAIT_H 1
+#define EVENT__HAVE_SYS_WAIT_H 1
 
 /* Define if TAILQ_FOREACH is defined in <sys/queue.h> */
-#define _EVENT_HAVE_TAILQFOREACH 1
+#define EVENT__HAVE_TAILQFOREACH 1
 
 /* Define if timeradd is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERADD 1
+#define EVENT__HAVE_TIMERADD 1
 
 /* Define if timerclear is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCLEAR 1
+#define EVENT__HAVE_TIMERCLEAR 1
 
 /* Define if timercmp is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCMP 1
+#define EVENT__HAVE_TIMERCMP 1
+
+/* Define to 1 if you have the `timerfd_create' function. */
+#define EVENT__HAVE_TIMERFD_CREATE 1
 
 /* Define if timerisset is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERISSET 1
+#define EVENT__HAVE_TIMERISSET 1
 
 /* Define to 1 if the system has the type `uint16_t'. */
-#define _EVENT_HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT16_T 1
 
 /* Define to 1 if the system has the type `uint32_t'. */
-#define _EVENT_HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT32_T 1
 
 /* Define to 1 if the system has the type `uint64_t'. */
-#define _EVENT_HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT64_T 1
 
 /* Define to 1 if the system has the type `uint8_t'. */
-#define _EVENT_HAVE_UINT8_T 1
+#define EVENT__HAVE_UINT8_T 1
 
 /* Define to 1 if the system has the type `uintptr_t'. */
-#define _EVENT_HAVE_UINTPTR_T 1
+#define EVENT__HAVE_UINTPTR_T 1
 
 /* Define to 1 if you have the `umask' function. */
-#define _EVENT_HAVE_UMASK 1
+#define EVENT__HAVE_UMASK 1
 
 /* Define to 1 if you have the <unistd.h> header file. */
-#define _EVENT_HAVE_UNISTD_H 1
+#define EVENT__HAVE_UNISTD_H 1
 
 /* Define to 1 if you have the `unsetenv' function. */
-#define _EVENT_HAVE_UNSETENV 1
+#define EVENT__HAVE_UNSETENV 1
+
+/* Define to 1 if you have the `usleep' function. */
+#define EVENT__HAVE_USLEEP 1
 
 /* Define to 1 if you have the `vasprintf' function. */
-#define _EVENT_HAVE_VASPRINTF 1
+#define EVENT__HAVE_VASPRINTF 1
+
+/* Define if waitpid() supports WNOWAIT */
+/* #undef EVENT__HAVE_WAITPID_WITH_WNOWAIT */
 
 /* Define if kqueue works correctly with pipes */
-#define _EVENT_HAVE_WORKING_KQUEUE 1
+#define EVENT__HAVE_WORKING_KQUEUE 1
 
 /* Define to 1 if you have the <zlib.h> header file. */
-#define _EVENT_HAVE_ZLIB_H 1
+#define EVENT__HAVE_ZLIB_H 1
 
 /* Define to the sub-directory in which libtool stores uninstalled libraries.
    */
-#define _EVENT_LT_OBJDIR ".libs/"
+#define EVENT__LT_OBJDIR ".libs/"
 
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
-/* #undef _EVENT_NO_MINUS_C_MINUS_O */
+/* #undef EVENT__NO_MINUS_C_MINUS_O */
 
 /* Numeric representation of the version */
-#define _EVENT_NUMERIC_VERSION 0x02001600
+#define EVENT__NUMERIC_VERSION 0x02001600
 
 /* Name of package */
-#define _EVENT_PACKAGE "libevent"
+#define EVENT__PACKAGE "libevent"
 
 /* Define to the address where bug reports for this package should be sent. */
-#define _EVENT_PACKAGE_BUGREPORT ""
+#define EVENT__PACKAGE_BUGREPORT ""
 
 /* Define to the full name of this package. */
-#define _EVENT_PACKAGE_NAME ""
+#define EVENT__PACKAGE_NAME ""
 
 /* Define to the full name and version of this package. */
-#define _EVENT_PACKAGE_STRING ""
+#define EVENT__PACKAGE_STRING ""
 
 /* Define to the one symbol short name of this package. */
-#define _EVENT_PACKAGE_TARNAME ""
+#define EVENT__PACKAGE_TARNAME ""
 
 /* Define to the home page for this package. */
-#define _EVENT_PACKAGE_URL ""
+#define EVENT__PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define _EVENT_PACKAGE_VERSION ""
+#define EVENT__PACKAGE_VERSION ""
 
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
-/* #undef _EVENT_PTHREAD_CREATE_JOINABLE */
+/* #undef EVENT__PTHREAD_CREATE_JOINABLE */
 
 /* The size of `int', as computed by sizeof. */
-#define _EVENT_SIZEOF_INT 4
+#define EVENT__SIZEOF_INT 4
 
 /* The size of `long', as computed by sizeof. */
-#define _EVENT_SIZEOF_LONG 8
+#define EVENT__SIZEOF_LONG 8
 
 /* The size of `long long', as computed by sizeof. */
-#define _EVENT_SIZEOF_LONG_LONG 8
+#define EVENT__SIZEOF_LONG_LONG 8
 
 /* The size of `off_t', as computed by sizeof. */
-#define _EVENT_SIZEOF_OFF_T 8
+#define EVENT__SIZEOF_OFF_T 8
 
 /* The size of `pthread_t', as computed by sizeof. */
-#define _EVENT_SIZEOF_PTHREAD_T 8
+#define EVENT__SIZEOF_PTHREAD_T 8
 
 /* The size of `short', as computed by sizeof. */
-#define _EVENT_SIZEOF_SHORT 2
+#define EVENT__SIZEOF_SHORT 2
 
 /* The size of `void *', as computed by sizeof. */
-#define _EVENT_SIZEOF_VOID_P 8
+#define EVENT__SIZEOF_VOID_P 8
 
 /* Define to 1 if you have the ANSI C header files. */
-#define _EVENT_STDC_HEADERS 1
+#define EVENT__STDC_HEADERS 1
 
 /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
-#define _EVENT_TIME_WITH_SYS_TIME 1
+#define EVENT__TIME_WITH_SYS_TIME 1
 
 /* Version number of package */
-#define _EVENT_VERSION "2.0.22-stable"
+#define EVENT__VERSION "2.1.8-stable"
 
 /* Define to appropriate substitue if compiler doesnt have __func__ */
-/* #undef _EVENT___func__ */
+/* #undef EVENT____func__ */
 
 /* Define to empty if `const' does not conform to ANSI C. */
-/* #undef _EVENT_const */
+/* #undef EVENT__const */
 
 /* Define to `__inline__' or `__inline' if that's what the C compiler
    calls it, or to nothing if 'inline' is not supported under any name.  */
-#ifndef _EVENT___cplusplus
-/* #undef _EVENT_inline */
+#ifndef EVENT____cplusplus
+/* #undef EVENT__inline */
 #endif
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_pid_t */
+/* #undef EVENT__pid_t */
 
 /* Define to `unsigned int' if <sys/types.h> does not define. */
-/* #undef _EVENT_size_t */
+/* #undef EVENT__size_t */
 
 /* Define to unsigned int if you dont have it */
-/* #undef _EVENT_socklen_t */
+/* #undef EVENT__socklen_t */
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_ssize_t */
+/* #undef EVENT__ssize_t */
 
 #endif /* event2/event-config.h */
diff --git a/include/event2/event-config-linux.h b/include/event2/event-config-linux.h
index 5a906df..7c43c78 100644
--- a/include/event2/event-config-linux.h
+++ b/include/event2/event-config-linux.h
@@ -11,456 +11,508 @@
 #ifndef _EVENT2_EVENT_CONFIG_H_
 #define _EVENT2_EVENT_CONFIG_H_
 
+#include <stddef.h>
 #include <stdint.h>
 
 /* The size of `size_t', as computed by sizeof. */
 #if SIZE_MAX == UINT64_MAX
-#  define _EVENT_SIZEOF_SIZE_T 8
+#  define EVENT__SIZEOF_SIZE_T 8
 #elif SIZE_MAX == UINT32_MAX
-#  define _EVENT_SIZEOF_SIZE_T 4
+#  define EVENT__SIZEOF_SIZE_T 4
 #else
 #  error "No way to infer sizeof size_t"
 #endif
 
+#define EVENT__HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT8_T 1
+#define EVENT__HAVE_UINTPTR_T 1
+
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* Define if libevent should build without support for a debug mode */
-/* #undef _EVENT_DISABLE_DEBUG_MODE */
+/* #undef EVENT__DISABLE_DEBUG_MODE */
 
 /* Define if libevent should not allow replacing the mm functions */
-/* #undef _EVENT_DISABLE_MM_REPLACEMENT */
+/* #undef EVENT__DISABLE_MM_REPLACEMENT */
 
 /* Define if libevent should not be compiled with thread support */
-/* #undef _EVENT_DISABLE_THREAD_SUPPORT */
+/* #undef EVENT__DISABLE_THREAD_SUPPORT */
+
+/* Define to 1 if you have the `accept4' function. */
+#define EVENT__HAVE_ACCEPT4 1
 
 /* Define to 1 if you have the `arc4random' function. */
-/* #undef _EVENT_HAVE_ARC4RANDOM */
+/* #undef EVENT__HAVE_ARC4RANDOM */
 
 /* Define to 1 if you have the `arc4random_buf' function. */
-/* #undef _EVENT_HAVE_ARC4RANDOM_BUF */
+/* #undef EVENT__HAVE_ARC4RANDOM_BUF */
 
 /* Define to 1 if you have the <arpa/inet.h> header file. */
-#define _EVENT_HAVE_ARPA_INET_H 1
+#define EVENT__HAVE_ARPA_INET_H 1
 
 /* Define to 1 if you have the `clock_gettime' function. */
-#define _EVENT_HAVE_CLOCK_GETTIME 1
+#define EVENT__HAVE_CLOCK_GETTIME 1
 
 /* Define to 1 if you have the declaration of `CTL_KERN', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_CTL_KERN 1
+#define EVENT__HAVE_DECL_CTL_KERN 1
 
 /* Define to 1 if you have the declaration of `KERN_ARND', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_KERN_ARND 0
+#define EVENT__HAVE_DECL_KERN_ARND 0
 
 /* Define to 1 if you have the declaration of `KERN_RANDOM', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_KERN_RANDOM 1
+#define EVENT__HAVE_DECL_KERN_RANDOM 1
 
 /* Define to 1 if you have the declaration of `RANDOM_UUID', and to 0 if you
    don't. */
-#define _EVENT_HAVE_DECL_RANDOM_UUID 1
+#define EVENT__HAVE_DECL_RANDOM_UUID 1
 
 /* Define if /dev/poll is available */
-/* #undef _EVENT_HAVE_DEVPOLL */
+/* #undef EVENT__HAVE_DEVPOLL */
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
-#define _EVENT_HAVE_DLFCN_H 1
+#define EVENT__HAVE_DLFCN_H 1
 
 /* Define if your system supports the epoll system calls */
-#define _EVENT_HAVE_EPOLL 1
+#define EVENT__HAVE_EPOLL 1
+
+/* Define to 1 if you have the `epoll_create1' function. */
+#define HAVE_EPOLL_CREATE1 1
 
 /* Define to 1 if you have the `epoll_ctl' function. */
-#define _EVENT_HAVE_EPOLL_CTL 1
+#define EVENT__HAVE_EPOLL_CTL 1
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define EVENT__HAVE_ERRNO_H 1
+
+/* Define to 1 if you have ERR_remove_thread_stat(). */
+#undef HAVE_ERR_REMOVE_THREAD_STATE
 
 /* Define to 1 if you have the `eventfd' function. */
-#define _EVENT_HAVE_EVENTFD 1
+#define EVENT__HAVE_EVENTFD 1
 
 /* Define if your system supports event ports */
-/* #undef _EVENT_HAVE_EVENT_PORTS */
+/* #undef EVENT__HAVE_EVENT_PORTS */
 
 /* Define to 1 if you have the `fcntl' function. */
-#define _EVENT_HAVE_FCNTL 1
+#define EVENT__HAVE_FCNTL 1
 
 /* Define to 1 if you have the <fcntl.h> header file. */
-#define _EVENT_HAVE_FCNTL_H 1
+#define EVENT__HAVE_FCNTL_H 1
 
 /* Define to 1 if the system has the type `fd_mask'. */
-#define _EVENT_HAVE_FD_MASK 1
+#define EVENT__HAVE_FD_MASK 1
 
 /* Do we have getaddrinfo()? */
-#define _EVENT_HAVE_GETADDRINFO 1
+#define EVENT__HAVE_GETADDRINFO 1
 
 /* Define to 1 if you have the `getegid' function. */
-#define _EVENT_HAVE_GETEGID 1
+#define EVENT__HAVE_GETEGID 1
 
 /* Define to 1 if you have the `geteuid' function. */
-#define _EVENT_HAVE_GETEUID 1
+#define EVENT__HAVE_GETEUID 1
 
 /* Define this if you have any gethostbyname_r() */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R */
 
 /* Define this if gethostbyname_r takes 3 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_3_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_3_ARG */
 
 /* Define this if gethostbyname_r takes 5 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_5_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_5_ARG */
 
 /* Define this if gethostbyname_r takes 6 arguments */
-/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_6_ARG */
+/* #undef EVENT__HAVE_GETHOSTBYNAME_R_6_ARG */
+
+/* Define to 1 if you have the `getifaddrs' function. */
+#define EVENT__HAVE_GETIFADDRS 1
 
 /* Define to 1 if you have the `getnameinfo' function. */
-#define _EVENT_HAVE_GETNAMEINFO 1
+#define EVENT__HAVE_GETNAMEINFO 1
 
 /* Define to 1 if you have the `getprotobynumber' function. */
-#define _EVENT_HAVE_GETPROTOBYNUMBER 1
+#define EVENT__HAVE_GETPROTOBYNUMBER 1
 
 /* Define to 1 if you have the `getservbyname' function. */
-/* #undef _EVENT_HAVE_GETSERVBYNAME */
+/* #undef EVENT__HAVE_GETSERVBYNAME */
 
 /* Define to 1 if you have the `gettimeofday' function. */
-#define _EVENT_HAVE_GETTIMEOFDAY 1
+#define EVENT__HAVE_GETTIMEOFDAY 1
 
-/* Define to 1 if you have the `inet_aton' function. */
-#define _EVENT_HAVE_INET_ATON 1
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#define EVENT__HAVE_IFADDRS_H 1
 
 /* Define to 1 if you have the `inet_ntop' function. */
-#define _EVENT_HAVE_INET_NTOP 1
+#define EVENT__HAVE_INET_NTOP 1
 
 /* Define to 1 if you have the `inet_pton' function. */
-#define _EVENT_HAVE_INET_PTON 1
+#define EVENT__HAVE_INET_PTON 1
 
 /* Define to 1 if you have the <inttypes.h> header file. */
-#define _EVENT_HAVE_INTTYPES_H 1
+#define EVENT__HAVE_INTTYPES_H 1
 
 /* Define to 1 if you have the `issetugid' function. */
-/* #undef _EVENT_HAVE_ISSETUGID */
+/* #undef EVENT__HAVE_ISSETUGID */
 
 /* Define to 1 if you have the `kqueue' function. */
-/* #undef _EVENT_HAVE_KQUEUE */
+/* #undef EVENT__HAVE_KQUEUE */
 
 /* Define if the system has zlib */
-#define _EVENT_HAVE_LIBZ 1
+#define EVENT__HAVE_LIBZ 1
 
 /* Define to 1 if you have the <memory.h> header file. */
-#define _EVENT_HAVE_MEMORY_H 1
+#define EVENT__HAVE_MEMORY_H 1
 
 /* Define to 1 if you have the `mmap' function. */
-#define _EVENT_HAVE_MMAP 1
+#define EVENT__HAVE_MMAP 1
+
+/* Define to 1 if you have the `nanosleep' function. */
+#define EVENT__HAVE_NANOSLEEP 1
 
 /* Define to 1 if you have the <netdb.h> header file. */
-#define _EVENT_HAVE_NETDB_H 1
+#define EVENT__HAVE_NETDB_H 1
 
 /* Define to 1 if you have the <netinet/in6.h> header file. */
-/* #undef _EVENT_HAVE_NETINET_IN6_H */
+/* #undef EVENT__HAVE_NETINET_IN6_H */
 
 /* Define to 1 if you have the <netinet/in.h> header file. */
-#define _EVENT_HAVE_NETINET_IN_H 1
+#define EVENT__HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#define EVENT__HAVE_NETINET_TCP_H 1
 
 /* Define if the system has openssl */
-#define _EVENT_HAVE_OPENSSL 1
+#define EVENT__HAVE_OPENSSL 1
 
 /* Define to 1 if you have the <openssl/bio.h> header file. */
-#define _EVENT_HAVE_OPENSSL_BIO_H 1
+#define EVENT__HAVE_OPENSSL_BIO_H 1
 
 /* Define to 1 if you have the `pipe' function. */
-#define _EVENT_HAVE_PIPE 1
+#define EVENT__HAVE_PIPE 1
+
+/* Define to 1 if you have the `pipe2' function. */
+#define EVENT__HAVE_PIPE2 1
 
 /* Define to 1 if you have the `poll' function. */
-#define _EVENT_HAVE_POLL 1
+#define EVENT__HAVE_POLL 1
 
 /* Define to 1 if you have the <poll.h> header file. */
-#define _EVENT_HAVE_POLL_H 1
+#define EVENT__HAVE_POLL_H 1
 
 /* Define to 1 if you have the `port_create' function. */
-/* #undef _EVENT_HAVE_PORT_CREATE */
+/* #undef EVENT__HAVE_PORT_CREATE */
 
 /* Define to 1 if you have the <port.h> header file. */
-/* #undef _EVENT_HAVE_PORT_H */
+/* #undef EVENT__HAVE_PORT_H */
 
 /* Define if you have POSIX threads libraries and header files. */
-/* #undef _EVENT_HAVE_PTHREAD */
+/* #undef EVENT__HAVE_PTHREAD */
 
 /* Define if we have pthreads on this system */
-#define _EVENT_HAVE_PTHREADS 1
+#define EVENT__HAVE_PTHREADS 1
 
 /* Define to 1 if you have the `putenv' function. */
-#define _EVENT_HAVE_PUTENV 1
+#define EVENT__HAVE_PUTENV 1
 
 /* Define to 1 if the system has the type `sa_family_t'. */
-#define _EVENT_HAVE_SA_FAMILY_T 1
+#define EVENT__HAVE_SA_FAMILY_T 1
 
 /* Define to 1 if you have the `select' function. */
-#define _EVENT_HAVE_SELECT 1
+#define EVENT__HAVE_SELECT 1
 
 /* Define to 1 if you have the `sendfile' function. */
-#define _EVENT_HAVE_SENDFILE 1
+#define EVENT__HAVE_SENDFILE 1
 
 /* Define to 1 if you have the `setenv' function. */
-#define _EVENT_HAVE_SETENV 1
+#define EVENT__HAVE_SETENV 1
 
 /* Define if F_SETFD is defined in <fcntl.h> */
-#define _EVENT_HAVE_SETFD 1
+#define EVENT__HAVE_SETFD 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define EVENT__HAVE_SETRLIMIT 1
 
 /* Define to 1 if you have the `sigaction' function. */
-#define _EVENT_HAVE_SIGACTION 1
+#define EVENT__HAVE_SIGACTION 1
 
 /* Define to 1 if you have the `signal' function. */
-#define _EVENT_HAVE_SIGNAL 1
+#define EVENT__HAVE_SIGNAL 1
 
 /* Define to 1 if you have the `splice' function. */
-#define _EVENT_HAVE_SPLICE 1
+#define EVENT__HAVE_SPLICE 1
 
 /* Define to 1 if you have the <stdarg.h> header file. */
-#define _EVENT_HAVE_STDARG_H 1
+#define EVENT__HAVE_STDARG_H 1
 
 /* Define to 1 if you have the <stddef.h> header file. */
-#define _EVENT_HAVE_STDDEF_H 1
+#define EVENT__HAVE_STDDEF_H 1
 
 /* Define to 1 if you have the <stdint.h> header file. */
-#define _EVENT_HAVE_STDINT_H 1
+#define EVENT__HAVE_STDINT_H 1
 
 /* Define to 1 if you have the <stdlib.h> header file. */
-#define _EVENT_HAVE_STDLIB_H 1
+#define EVENT__HAVE_STDLIB_H 1
 
 /* Define to 1 if you have the <strings.h> header file. */
-#define _EVENT_HAVE_STRINGS_H 1
+#define EVENT__HAVE_STRINGS_H 1
 
 /* Define to 1 if you have the <string.h> header file. */
-#define _EVENT_HAVE_STRING_H 1
+#define EVENT__HAVE_STRING_H 1
 
 /* Define to 1 if you have the `strlcpy' function. */
-/* #undef _EVENT_HAVE_STRLCPY */
+/* #undef EVENT__HAVE_STRLCPY */
 
 /* Define to 1 if you have the `strsep' function. */
-#define _EVENT_HAVE_STRSEP 1
+#define EVENT__HAVE_STRSEP 1
 
 /* Define to 1 if you have the `strtok_r' function. */
-#define _EVENT_HAVE_STRTOK_R 1
+#define EVENT__HAVE_STRTOK_R 1
 
 /* Define to 1 if you have the `strtoll' function. */
-#define _EVENT_HAVE_STRTOLL 1
+#define EVENT__HAVE_STRTOLL 1
 
 /* Define to 1 if the system has the type `struct addrinfo'. */
-#define _EVENT_HAVE_STRUCT_ADDRINFO 1
+#define EVENT__HAVE_STRUCT_ADDRINFO 1
 
 /* Define to 1 if the system has the type `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR 1
 
 /* Define to 1 if `s6_addr16' is a member of `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR16 1
 
 /* Define to 1 if `s6_addr32' is a member of `struct in6_addr'. */
-#define _EVENT_HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1
+#define EVENT__HAVE_STRUCT_IN6_ADDR_S6_ADDR32 1
 
 /* Define to 1 if the system has the type `struct sockaddr_in6'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_IN6 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_IN6 1
 
 /* Define to 1 if `sin6_len' is a member of `struct sockaddr_in6'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN */
 
 /* Define to 1 if `sin_len' is a member of `struct sockaddr_in'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
 
 /* Define to 1 if the system has the type `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE 1
 
 /* Define to 1 if `ss_family' is a member of `struct sockaddr_storage'. */
-#define _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
+#define EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY 1
 
 /* Define to 1 if `__ss_family' is a member of `struct sockaddr_storage'. */
-/* #undef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+/* #undef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY */
+
+/* Define to 1 if the system has the type `struct so_linger'. */
+#define EVENT__HAVE_STRUCT_SO_LINGER 1
 
 /* Define to 1 if you have the `sysctl' function. */
-#define _EVENT_HAVE_SYSCTL 1
+#define EVENT__HAVE_SYSCTL 1
 
 /* Define to 1 if you have the <sys/devpoll.h> header file. */
-/* #undef _EVENT_HAVE_SYS_DEVPOLL_H */
+/* #undef EVENT__HAVE_SYS_DEVPOLL_H */
 
 /* Define to 1 if you have the <sys/epoll.h> header file. */
-#define _EVENT_HAVE_SYS_EPOLL_H 1
+#define EVENT__HAVE_SYS_EPOLL_H 1
 
 /* Define to 1 if you have the <sys/eventfd.h> header file. */
-#define _EVENT_HAVE_SYS_EVENTFD_H 1
+#define EVENT__HAVE_SYS_EVENTFD_H 1
 
 /* Define to 1 if you have the <sys/event.h> header file. */
-/* #undef _EVENT_HAVE_SYS_EVENT_H */
+/* #undef EVENT__HAVE_SYS_EVENT_H */
 
 /* Define to 1 if you have the <sys/ioctl.h> header file. */
-#define _EVENT_HAVE_SYS_IOCTL_H 1
+#define EVENT__HAVE_SYS_IOCTL_H 1
 
 /* Define to 1 if you have the <sys/mman.h> header file. */
-#define _EVENT_HAVE_SYS_MMAN_H 1
+#define EVENT__HAVE_SYS_MMAN_H 1
 
 /* Define to 1 if you have the <sys/param.h> header file. */
-#define _EVENT_HAVE_SYS_PARAM_H 1
+#define EVENT__HAVE_SYS_PARAM_H 1
 
 /* Define to 1 if you have the <sys/queue.h> header file. */
-#define _EVENT_HAVE_SYS_QUEUE_H 1
+#define EVENT__HAVE_SYS_QUEUE_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define EVENT__HAVE_SYS_RESOURCE_H 1
 
 /* Define to 1 if you have the <sys/select.h> header file. */
-#define _EVENT_HAVE_SYS_SELECT_H 1
+#define EVENT__HAVE_SYS_SELECT_H 1
 
 /* Define to 1 if you have the <sys/sendfile.h> header file. */
-#define _EVENT_HAVE_SYS_SENDFILE_H 1
+#define EVENT__HAVE_SYS_SENDFILE_H 1
 
 /* Define to 1 if you have the <sys/socket.h> header file. */
-#define _EVENT_HAVE_SYS_SOCKET_H 1
+#define EVENT__HAVE_SYS_SOCKET_H 1
 
 /* Define to 1 if you have the <sys/stat.h> header file. */
-#define _EVENT_HAVE_SYS_STAT_H 1
+#define EVENT__HAVE_SYS_STAT_H 1
 
 /* Define to 1 if you have the <sys/sysctl.h> header file. */
-#define _EVENT_HAVE_SYS_SYSCTL_H 1
+#define EVENT__HAVE_SYS_SYSCTL_H 1
+
+/* Define to 1 if you have the <sys/timerfd.h> header file. */
+#define HAVE_SYS_TIMERFD_H 1
 
 /* Define to 1 if you have the <sys/time.h> header file. */
-#define _EVENT_HAVE_SYS_TIME_H 1
+#define EVENT__HAVE_SYS_TIME_H 1
 
 /* Define to 1 if you have the <sys/types.h> header file. */
-#define _EVENT_HAVE_SYS_TYPES_H 1
+#define EVENT__HAVE_SYS_TYPES_H 1
 
 /* Define to 1 if you have the <sys/uio.h> header file. */
-#define _EVENT_HAVE_SYS_UIO_H 1
+#define EVENT__HAVE_SYS_UIO_H 1
 
 /* Define to 1 if you have the <sys/wait.h> header file. */
-#define _EVENT_HAVE_SYS_WAIT_H 1
+#define EVENT__HAVE_SYS_WAIT_H 1
 
 /* Define if TAILQ_FOREACH is defined in <sys/queue.h> */
-#define _EVENT_HAVE_TAILQFOREACH 1
+#define EVENT__HAVE_TAILQFOREACH 1
 
 /* Define if timeradd is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERADD 1
+#define EVENT__HAVE_TIMERADD 1
 
 /* Define if timerclear is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCLEAR 1
+#define EVENT__HAVE_TIMERCLEAR 1
 
 /* Define if timercmp is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERCMP 1
+#define EVENT__HAVE_TIMERCMP 1
+
+/* Define to 1 if you have the `timerfd_create' function. */
+#define EVENT__HAVE_TIMERFD_CREATE 1
 
 /* Define if timerisset is defined in <sys/time.h> */
-#define _EVENT_HAVE_TIMERISSET 1
+#define EVENT__HAVE_TIMERISSET 1
 
 /* Define to 1 if the system has the type `uint16_t'. */
-#define _EVENT_HAVE_UINT16_T 1
+#define EVENT__HAVE_UINT16_T 1
 
 /* Define to 1 if the system has the type `uint32_t'. */
-#define _EVENT_HAVE_UINT32_T 1
+#define EVENT__HAVE_UINT32_T 1
 
 /* Define to 1 if the system has the type `uint64_t'. */
-#define _EVENT_HAVE_UINT64_T 1
+#define EVENT__HAVE_UINT64_T 1
 
 /* Define to 1 if the system has the type `uint8_t'. */
-#define _EVENT_HAVE_UINT8_T 1
+#define EVENT__HAVE_UINT8_T 1
 
 /* Define to 1 if the system has the type `uintptr_t'. */
-#define _EVENT_HAVE_UINTPTR_T 1
+#define EVENT__HAVE_UINTPTR_T 1
 
 /* Define to 1 if you have the `umask' function. */
-#define _EVENT_HAVE_UMASK 1
+#define EVENT__HAVE_UMASK 1
 
 /* Define to 1 if you have the <unistd.h> header file. */
-#define _EVENT_HAVE_UNISTD_H 1
+#define EVENT__HAVE_UNISTD_H 1
 
 /* Define to 1 if you have the `unsetenv' function. */
-#define _EVENT_HAVE_UNSETENV 1
+#define EVENT__HAVE_UNSETENV 1
+
+/* Define to 1 if you have the `usleep' function. */
+#define HAVE_USLEEP 1
 
 /* Define to 1 if you have the `vasprintf' function. */
-#define _EVENT_HAVE_VASPRINTF 1
+#define EVENT__HAVE_VASPRINTF 1
+
+/* Define if waitpid() supports WNOWAIT */
+#define HAVE_WAITPID_WITH_WNOWAIT 1
 
 /* Define if kqueue works correctly with pipes */
-/* #undef _EVENT_HAVE_WORKING_KQUEUE */
+/* #undef EVENT__HAVE_WORKING_KQUEUE */
 
 /* Define to 1 if you have the <zlib.h> header file. */
-#define _EVENT_HAVE_ZLIB_H 1
+#define EVENT__HAVE_ZLIB_H 1
 
 /* Define to the sub-directory in which libtool stores uninstalled libraries.
    */
-#define _EVENT_LT_OBJDIR ".libs/"
+#define EVENT__LT_OBJDIR ".libs/"
 
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
-/* #undef _EVENT_NO_MINUS_C_MINUS_O */
+/* #undef EVENT__NO_MINUS_C_MINUS_O */
 
 /* Numeric representation of the version */
-#define _EVENT_NUMERIC_VERSION 0x02001600
+#define EVENT__NUMERIC_VERSION 0x02001600
 
 /* Name of package */
-#define _EVENT_PACKAGE "libevent"
+#define EVENT__PACKAGE "libevent"
 
 /* Define to the address where bug reports for this package should be sent. */
-#define _EVENT_PACKAGE_BUGREPORT ""
+#define EVENT__PACKAGE_BUGREPORT ""
 
 /* Define to the full name of this package. */
-#define _EVENT_PACKAGE_NAME ""
+#define EVENT__PACKAGE_NAME ""
 
 /* Define to the full name and version of this package. */
-#define _EVENT_PACKAGE_STRING ""
+#define EVENT__PACKAGE_STRING ""
 
 /* Define to the one symbol short name of this package. */
-#define _EVENT_PACKAGE_TARNAME ""
+#define EVENT__PACKAGE_TARNAME ""
 
 /* Define to the home page for this package. */
-#define _EVENT_PACKAGE_URL ""
+#define EVENT__PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define _EVENT_PACKAGE_VERSION ""
+#define EVENT__PACKAGE_VERSION ""
 
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
-/* #undef _EVENT_PTHREAD_CREATE_JOINABLE */
+/* #undef EVENT__PTHREAD_CREATE_JOINABLE */
 
 /* The size of `int', as computed by sizeof. */
-#define _EVENT_SIZEOF_INT 4
+#define EVENT__SIZEOF_INT 4
 
 /* The size of `long', as computed by sizeof. */
-#define _EVENT_SIZEOF_LONG 8
+#define EVENT__SIZEOF_LONG 8
 
 /* The size of `long long', as computed by sizeof. */
-#define _EVENT_SIZEOF_LONG_LONG 8
+#define EVENT__SIZEOF_LONG_LONG 8
 
 /* The size of `off_t', as computed by sizeof. */
-#define _EVENT_SIZEOF_OFF_T 8
+#define EVENT__SIZEOF_OFF_T 8
 
 /* The size of `pthread_t', as computed by sizeof. */
-#define _EVENT_SIZEOF_PTHREAD_T 8
+#define EVENT__SIZEOF_PTHREAD_T 8
 
 /* The size of `short', as computed by sizeof. */
-#define _EVENT_SIZEOF_SHORT 2
+#define EVENT__SIZEOF_SHORT 2
 
 /* The size of `void *', as computed by sizeof. */
-#define _EVENT_SIZEOF_VOID_P 8
+#define EVENT__SIZEOF_VOID_P 8
 
 /* Define to 1 if you have the ANSI C header files. */
-#define _EVENT_STDC_HEADERS 1
+#define EVENT__STDC_HEADERS 1
 
 /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
-#define _EVENT_TIME_WITH_SYS_TIME 1
+#define EVENT__TIME_WITH_SYS_TIME 1
 
 /* Version number of package */
-#define _EVENT_VERSION "2.0.22-stable"
+#define EVENT__VERSION "2.1.8-stable"
 
 /* Define to appropriate substitue if compiler doesnt have __func__ */
-/* #undef _EVENT___func__ */
+/* #undef EVENT____func__ */
 
 /* Define to empty if `const' does not conform to ANSI C. */
-/* #undef _EVENT_const */
+/* #undef EVENT__const */
 
 /* Define to `__inline__' or `__inline' if that's what the C compiler
    calls it, or to nothing if 'inline' is not supported under any name.  */
-#ifndef _EVENT___cplusplus
-/* #undef _EVENT_inline */
+#ifndef EVENT____cplusplus
+/* #undef EVENT__inline */
 #endif
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_pid_t */
+/* #undef EVENT__pid_t */
 
 /* Define to `unsigned int' if <sys/types.h> does not define. */
-/* #undef _EVENT_size_t */
+/* #undef EVENT__size_t */
 
 /* Define to unsigned int if you dont have it */
-/* #undef _EVENT_socklen_t */
+/* #undef EVENT__socklen_t */
 
 /* Define to `int' if <sys/types.h> does not define. */
-/* #undef _EVENT_ssize_t */
+/* #undef EVENT__ssize_t */
 
 #endif /* event2/event-config.h */
diff --git a/include/event2/event.h b/include/event2/event.h
index 10bcd97..6e0a4f0 100644
--- a/include/event2/event.h
+++ b/include/event2/event.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_EVENT_H_
-#define _EVENT2_EVENT_H_
+#ifndef EVENT2_EVENT_H_INCLUDED_
+#define EVENT2_EVENT_H_INCLUDED_
 
 /**
    @mainpage
@@ -39,7 +39,7 @@
   to signals or regular timeouts.
 
   Libevent is meant to replace the event loop found in event driven network
-  servers. An application just needs to call event_dispatch() and then add or
+  servers. An application just needs to call event_base_dispatch() and then add or
   remove events dynamically without having to change the event loop.
 
 
@@ -54,7 +54,7 @@
 
   @section usage Standard usage
 
-  Every program that uses Libevent must inclurde the <event2/event.h>
+  Every program that uses Libevent must include the <event2/event.h>
   header, and pass the -levent flag to the linker.  (You can instead link
   -levent_core if you only want the main event and buffered IO-based code,
   and don't want to link any protocol code.)
@@ -90,7 +90,7 @@
   remain allocated as long as it is active, so it should generally be
   allocated on the heap.
 
-  @section loop Dispaching evets.
+  @section loop Dispatching events.
 
   Finally, you call event_base_dispatch() to loop and dispatch events.
   You can also use event_base_loop() for more fine-grained control.
@@ -124,9 +124,11 @@
   @section timers Timers
 
   Libevent can also be used to create timers that invoke a callback after a
-  certain amount of time has expired. The evtimer_new() function returns
+  certain amount of time has expired. The evtimer_new() macro returns
   an event struct to use as a timer. To activate the timer, call
   evtimer_add(). Timers can be deactivated by calling evtimer_del().
+  (These macros are thin wrappers around event_new(), event_add(),
+  and event_del(); you can also use those instead.)
 
   @section evdns Asynchronous DNS resolution
 
@@ -180,15 +182,17 @@
   Core functions for waiting for and receiving events, and using event bases.
 */
 
+#include <event2/visibility.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -211,7 +215,7 @@
  *    event_base_new_with_config()
  */
 struct event_base
-#ifdef _EVENT_IN_DOXYGEN
+#ifdef EVENT_IN_DOXYGEN_
 {/*Empty body so that doxygen will generate documentation here.*/}
 #endif
 ;
@@ -270,7 +274,7 @@
  *    event_priority_set()
  */
 struct event
-#ifdef _EVENT_IN_DOXYGEN
+#ifdef EVENT_IN_DOXYGEN_
 {/*Empty body so that doxygen will generate documentation here.*/}
 #endif
 ;
@@ -289,7 +293,7 @@
  *   event_config_set_flag(), event_config_set_num_cpus_hint()
  */
 struct event_config
-#ifdef _EVENT_IN_DOXYGEN
+#ifdef EVENT_IN_DOXYGEN_
 {/*Empty body so that doxygen will generate documentation here.*/}
 #endif
 ;
@@ -314,6 +318,7 @@
  *
  * @see event_debug_unassign()
  */
+EVENT2_EXPORT_SYMBOL
 void event_enable_debug_mode(void);
 
 /**
@@ -325,6 +330,7 @@
  *
  * @see event_enable_debug_mode()
  */
+EVENT2_EXPORT_SYMBOL
 void event_debug_unassign(struct event *);
 
 /**
@@ -334,6 +340,7 @@
  *
  * @see event_base_free(), event_base_new_with_config()
  */
+EVENT2_EXPORT_SYMBOL
 struct event_base *event_base_new(void);
 
 /**
@@ -346,6 +353,7 @@
   @return 0 if successful, or -1 if some events could not be re-added.
   @see event_base_new()
 */
+EVENT2_EXPORT_SYMBOL
 int event_reinit(struct event_base *base);
 
 /**
@@ -361,6 +369,7 @@
      no events were pending or active.
   @see event_base_loop()
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_dispatch(struct event_base *);
 
 /**
@@ -369,6 +378,7 @@
  @param eb the event_base structure returned by event_base_new()
  @return a string identifying the kernel event mechanism (kqueue, epoll, etc.)
  */
+EVENT2_EXPORT_SYMBOL
 const char *event_base_get_method(const struct event_base *);
 
 /**
@@ -383,8 +393,66 @@
      The end of the array is indicated by a NULL pointer.  If an
      error is encountered NULL is returned.
 */
+EVENT2_EXPORT_SYMBOL
 const char **event_get_supported_methods(void);
 
+/** Query the current monotonic time from a the timer for a struct
+ * event_base.
+ */
+EVENT2_EXPORT_SYMBOL
+int event_gettime_monotonic(struct event_base *base, struct timeval *tp);
+
+/**
+   @name event type flag
+
+   Flags to pass to event_base_get_num_events() to specify the kinds of events
+   we want to aggregate counts for
+*/
+/**@{*/
+/** count the number of active events, which have been triggered.*/
+#define EVENT_BASE_COUNT_ACTIVE                1U
+/** count the number of virtual events, which is used to represent an internal
+ * condition, other than a pending event, that keeps the loop from exiting. */
+#define EVENT_BASE_COUNT_VIRTUAL       2U
+/** count the number of events which have been added to event base, including
+ * internal events. */
+#define EVENT_BASE_COUNT_ADDED         4U
+/**@}*/
+
+/**
+   Gets the number of events in event_base, as specified in the flags.
+
+   Since event base has some internal events added to make some of its
+   functionalities work, EVENT_BASE_COUNT_ADDED may return more than the
+   number of events you added using event_add().
+
+   If you pass EVENT_BASE_COUNT_ACTIVE and EVENT_BASE_COUNT_ADDED together, an
+   active event will be counted twice. However, this might not be the case in
+   future libevent versions.  The return value is an indication of the work
+   load, but the user shouldn't rely on the exact value as this may change in
+   the future.
+
+   @param eb the event_base structure returned by event_base_new()
+   @param flags a bitwise combination of the kinds of events to aggregate
+       counts for
+   @return the number of events specified in the flags
+*/
+EVENT2_EXPORT_SYMBOL
+int event_base_get_num_events(struct event_base *, unsigned int);
+
+/**
+  Get the maximum number of events in a given event_base as specified in the
+  flags.
+
+  @param eb the event_base structure returned by event_base_new()
+  @param flags a bitwise combination of the kinds of events to aggregate
+         counts for
+  @param clear option used to reset the maximum count.
+  @return the number of events specified in the flags
+ */
+EVENT2_EXPORT_SYMBOL
+int event_base_get_max_events(struct event_base *, unsigned int, int);
+
 /**
    Allocates a new event configuration object.
 
@@ -395,6 +463,7 @@
      NULL if an error is encountered.
    @see event_base_new_with_config(), event_config_free(), event_config
 */
+EVENT2_EXPORT_SYMBOL
 struct event_config *event_config_new(void);
 
 /**
@@ -402,6 +471,7 @@
 
    @param cfg the event configuration object to be freed.
 */
+EVENT2_EXPORT_SYMBOL
 void event_config_free(struct event_config *cfg);
 
 /**
@@ -416,6 +486,7 @@
    @param method the name of the event method to avoid
    @return 0 on success, -1 on failure.
 */
+EVENT2_EXPORT_SYMBOL
 int event_config_avoid_method(struct event_config *cfg, const char *method);
 
 /**
@@ -437,7 +508,14 @@
     EV_FEATURE_O1 = 0x02,
     /** Require an event method that allows file descriptors as well as
      * sockets. */
-    EV_FEATURE_FDS = 0x04
+    EV_FEATURE_FDS = 0x04,
+    /** Require an event method that allows you to use EV_CLOSED to detect
+     * connection close without the necessity of reading all the pending data.
+     *
+     * Methods that do support EV_CLOSED may not be able to provide support on
+     * all kernel versions.
+     **/
+    EV_FEATURE_EARLY_CLOSE = 0x08
 };
 
 /**
@@ -450,7 +528,11 @@
  */
 enum event_base_config_flag {
 	/** Do not allocate a lock for the event base, even if we have
-	    locking set up. */
+	    locking set up.
+
+	    Setting this option will make it unsafe and nonfunctional to call
+	    functions on the base concurrently from multiple threads.
+	*/
 	EVENT_BASE_FLAG_NOLOCK = 0x01,
 	/** Do not check the EVENT_* environment variables when configuring
 	    an event_base  */
@@ -475,13 +557,20 @@
 	    if you have any fds cloned by dup() or its variants.  Doing so
 	    will produce strange and hard-to-diagnose bugs.
 
-	    This flag can also be activated by settnig the
+	    This flag can also be activated by setting the
 	    EVENT_EPOLL_USE_CHANGELIST environment variable.
 
 	    This flag has no effect if you wind up using a backend other than
 	    epoll.
 	 */
-	EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST = 0x10
+	EVENT_BASE_FLAG_EPOLL_USE_CHANGELIST = 0x10,
+
+	/** Ordinarily, Libevent implements its time and timeout code using
+	    the fastest monotonic timer that we have.  If this flag is set,
+	    however, we use less efficient more precise timer, assuming one is
+	    present.
+	 */
+	EVENT_BASE_FLAG_PRECISE_TIMER = 0x20
 };
 
 /**
@@ -491,6 +580,7 @@
 
    @see event_method_feature
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_get_features(const struct event_base *base);
 
 /**
@@ -515,6 +605,7 @@
    @return 0 on success, -1 on failure.
    @see event_method_feature, event_base_new_with_config()
 */
+EVENT2_EXPORT_SYMBOL
 int event_config_require_features(struct event_config *cfg, int feature);
 
 /**
@@ -523,6 +614,7 @@
  *
  * @see event_base_config_flags, event_base_new_with_config()
  **/
+EVENT2_EXPORT_SYMBOL
 int event_config_set_flag(struct event_config *cfg, int flag);
 
 /**
@@ -534,9 +626,43 @@
  * @param cpus the number of cpus
  * @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int event_config_set_num_cpus_hint(struct event_config *cfg, int cpus);
 
 /**
+ * Record an interval and/or a number of callbacks after which the event base
+ * should check for new events.  By default, the event base will run as many
+ * events are as activated at the higest activated priority before checking
+ * for new events.  If you configure it by setting max_interval, it will check
+ * the time after each callback, and not allow more than max_interval to
+ * elapse before checking for new events.  If you configure it by setting
+ * max_callbacks to a value >= 0, it will run no more than max_callbacks
+ * callbacks before checking for new events.
+ *
+ * This option can decrease the latency of high-priority events, and
+ * avoid priority inversions where multiple low-priority events keep us from
+ * polling for high-priority events, but at the expense of slightly decreasing
+ * the throughput.  Use it with caution!
+ *
+ * @param cfg The event_base configuration object.
+ * @param max_interval An interval after which Libevent should stop running
+ *     callbacks and check for more events, or NULL if there should be
+ *     no such interval.
+ * @param max_callbacks A number of callbacks after which Libevent should
+ *     stop running callbacks and check for more events, or -1 if there
+ *     should be no such limit.
+ * @param min_priority A priority below which max_interval and max_callbacks
+ *     should not be enforced.  If this is set to 0, they are enforced
+ *     for events of every priority; if it's set to 1, they're enforced
+ *     for events of priority 1 and above, and so on.
+ * @return 0 on success, -1 on failure.
+ **/
+EVENT2_EXPORT_SYMBOL
+int event_config_set_max_dispatch_interval(struct event_config *cfg,
+    const struct timeval *max_interval, int max_callbacks,
+    int min_priority);
+
+/**
   Initialize the event API.
 
   Use event_base_new_with_config() to initialize a new event base, taking
@@ -548,6 +674,7 @@
      or NULL if no event base can be created with the requested event_config.
   @see event_base_new(), event_base_free(), event_init(), event_assign()
 */
+EVENT2_EXPORT_SYMBOL
 struct event_base *event_base_new_with_config(const struct event_config *);
 
 /**
@@ -556,10 +683,23 @@
   Note that this function will not close any fds or free any memory passed
   to event_new as the argument to callback.
 
+  If there are any pending finalizer callbacks, this function will invoke
+  them.
+
   @param eb an event_base to be freed
  */
+EVENT2_EXPORT_SYMBOL
 void event_base_free(struct event_base *);
 
+/**
+   As event_free, but do not run finalizers.
+
+   THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+   BECOMES STABLE.
+ */
+EVENT2_EXPORT_SYMBOL
+void event_base_free_nofinalize(struct event_base *);
+
 /** @name Log severities
  */
 /**@{*/
@@ -586,12 +726,13 @@
   Redirect Libevent's log messages.
 
   @param cb a function taking two arguments: an integer severity between
-     _EVENT_LOG_DEBUG and _EVENT_LOG_ERR, and a string.  If cb is NULL,
+     EVENT_LOG_DEBUG and EVENT_LOG_ERR, and a string.  If cb is NULL,
 	 then the default log is used.
 
   NOTE: The function you provide *must not* call any other libevent
   functionality.  Doing so can produce undefined behavior.
   */
+EVENT2_EXPORT_SYMBOL
 void event_set_log_callback(event_log_cb cb);
 
 /**
@@ -610,11 +751,32 @@
  something is wrong with your program, or with Libevent: any subsequent calls
  to Libevent may result in undefined behavior.
 
- Libevent will (almost) always log an _EVENT_LOG_ERR message before calling
+ Libevent will (almost) always log an EVENT_LOG_ERR message before calling
  this function; look at the last log message to see why Libevent has died.
  */
+EVENT2_EXPORT_SYMBOL
 void event_set_fatal_callback(event_fatal_cb cb);
 
+#define EVENT_DBG_ALL 0xffffffffu
+#define EVENT_DBG_NONE 0
+
+/**
+ Turn on debugging logs and have them sent to the default log handler.
+
+ This is a global setting; if you are going to call it, you must call this
+ before any calls that create an event-base.  You must call it before any
+ multithreaded use of Libevent.
+
+ Debug logs are verbose.
+
+ @param which Controls which debug messages are turned on.  This option is
+   unused for now; for forward compatibility, you must pass in the constant
+   "EVENT_DBG_ALL" to turn debugging logs on, or "EVENT_DBG_NONE" to turn
+   debugging logs off.
+ */
+EVENT2_EXPORT_SYMBOL
+void event_enable_debug_logging(ev_uint32_t which);
+
 /**
   Associate a different event base with an event.
 
@@ -624,6 +786,7 @@
   @param ev the event
   @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_set(struct event_base *, struct event *);
 
 /** @name Loop flags
@@ -637,6 +800,11 @@
 /** Do not block: see which events are ready now, run the callbacks
  * of the highest-priority ones, then exit. */
 #define EVLOOP_NONBLOCK	0x02
+/** Do not exit the loop because we have no pending events.  Instead, keep
+ * running until event_base_loopexit() or event_base_loopbreak() makes us
+ * stop.
+ */
+#define EVLOOP_NO_EXIT_ON_EMPTY 0x04
 /**@}*/
 
 /**
@@ -657,6 +825,7 @@
   @see event_base_loopexit(), event_base_dispatch(), EVLOOP_ONCE,
      EVLOOP_NONBLOCK
   */
+EVENT2_EXPORT_SYMBOL
 int event_base_loop(struct event_base *, int);
 
 /**
@@ -674,6 +843,7 @@
   @return 0 if successful, or -1 if an error occurred
   @see event_base_loopbreak()
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_loopexit(struct event_base *, const struct timeval *);
 
 /**
@@ -683,16 +853,37 @@
   event_base_loopbreak() is typically invoked from this event's callback.
   This behavior is analogous to the "break;" statement.
 
-  Subsequent invocations of event_loop() will proceed normally.
+  Subsequent invocations of event_base_loop() will proceed normally.
 
   @param eb the event_base structure returned by event_init()
   @return 0 if successful, or -1 if an error occurred
   @see event_base_loopexit()
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_loopbreak(struct event_base *);
 
 /**
-  Checks if the event loop was told to exit by event_loopexit().
+  Tell the active event_base_loop() to scan for new events immediately.
+
+  Calling this function makes the currently active event_base_loop()
+  start the loop over again (scanning for new events) after the current
+  event callback finishes.  If the event loop is not running, this
+  function has no effect.
+
+  event_base_loopbreak() is typically invoked from this event's callback.
+  This behavior is analogous to the "continue;" statement.
+
+  Subsequent invocations of event loop will proceed normally.
+
+  @param eb the event_base structure returned by event_init()
+  @return 0 if successful, or -1 if an error occurred
+  @see event_base_loopbreak()
+ */
+EVENT2_EXPORT_SYMBOL
+int event_base_loopcontinue(struct event_base *);
+
+/**
+  Checks if the event loop was told to exit by event_base_loopexit().
 
   This function will return true for an event_base at every point after
   event_loopexit() is called, until the event loop is next entered.
@@ -703,13 +894,14 @@
   @see event_base_loopexit()
   @see event_base_got_break()
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_got_exit(struct event_base *);
 
 /**
-  Checks if the event loop was told to abort immediately by event_loopbreak().
+  Checks if the event loop was told to abort immediately by event_base_loopbreak().
 
   This function will return true for an event_base at every point after
-  event_loopbreak() is called, until the event loop is next entered.
+  event_base_loopbreak() is called, until the event loop is next entered.
 
   @param eb the event_base structure returned by event_init()
   @return true if event_base_loopbreak() was called on this event base,
@@ -717,6 +909,7 @@
   @see event_base_loopbreak()
   @see event_base_got_exit()
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_got_break(struct event_base *);
 
 /**
@@ -743,7 +936,28 @@
  */
 #define EV_PERSIST	0x10
 /** Select edge-triggered behavior, if supported by the backend. */
-#define EV_ET       0x20
+#define EV_ET		0x20
+/**
+ * If this option is provided, then event_del() will not block in one thread
+ * while waiting for the event callback to complete in another thread.
+ *
+ * To use this option safely, you may need to use event_finalize() or
+ * event_free_finalize() in order to safely tear down an event in a
+ * multithreaded application.  See those functions for more information.
+ *
+ * THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+ * BECOMES STABLE.
+ **/
+#define EV_FINALIZE     0x40
+/**
+ * Detects connection close events.  You can use this to detect when a
+ * connection has been closed, without having to read all the pending data
+ * from a connection.
+ *
+ * Not all backends support EV_CLOSED.  To detect or require it, use the
+ * feature flag EV_FEATURE_EARLY_CLOSE.
+ **/
+#define EV_CLOSED	0x80
 /**@}*/
 
 /**
@@ -790,6 +1004,31 @@
 typedef void (*event_callback_fn)(evutil_socket_t, short, void *);
 
 /**
+  Return a value used to specify that the event itself must be used as the callback argument.
+
+  The function event_new() takes a callback argument which is passed
+  to the event's callback function. To specify that the argument to be
+  passed to the callback function is the event that event_new() returns,
+  pass in the return value of event_self_cbarg() as the callback argument
+  for event_new().
+
+  For example:
+  <pre>
+      struct event *ev = event_new(base, sock, events, callback, %event_self_cbarg());
+  </pre>
+
+  For consistency with event_new(), it is possible to pass the return value
+  of this function as the callback argument for event_assign() &ndash; this
+  achieves the same result as passing the event in directly.
+
+  @return a value to be passed as the callback argument to event_new() or
+  event_assign().
+  @see event_new(), event_assign()
+ */
+EVENT2_EXPORT_SYMBOL
+void *event_self_cbarg(void);
+
+/**
   Allocate and asssign a new event structure, ready to be added.
 
   The function event_new() returns a new event that can be used in
@@ -837,6 +1076,7 @@
     event_free().
   @see event_free(), event_add(), event_del(), event_assign()
  */
+EVENT2_EXPORT_SYMBOL
 struct event *event_new(struct event_base *, evutil_socket_t, short, event_callback_fn, void *);
 
 
@@ -878,6 +1118,7 @@
   @see event_new(), event_add(), event_del(), event_base_once(),
     event_get_struct_event_size()
   */
+EVENT2_EXPORT_SYMBOL
 int event_assign(struct event *, struct event_base *, evutil_socket_t, short, event_callback_fn, void *);
 
 /**
@@ -886,18 +1127,69 @@
    If the event is pending or active, first make it non-pending and
    non-active.
  */
+EVENT2_EXPORT_SYMBOL
 void event_free(struct event *);
 
 /**
+ * Callback type for event_finalize and event_free_finalize().
+ *
+ * THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+ * BECOMES STABLE.
+ *
+ **/
+typedef void (*event_finalize_callback_fn)(struct event *, void *);
+/**
+   @name Finalization functions
+
+   These functions are used to safely tear down an event in a multithreaded
+   application.  If you construct your events with EV_FINALIZE to avoid
+   deadlocks, you will need a way to remove an event in the certainty that
+   it will definitely not be running its callback when you deallocate it
+   and its callback argument.
+
+   To do this, call one of event_finalize() or event_free_finalize with
+   0 for its first argument, the event to tear down as its second argument,
+   and a callback function as its third argument.  The callback will be
+   invoked as part of the event loop, with the event's priority.
+
+   After you call a finalizer function, event_add() and event_active() will
+   no longer work on the event, and event_del() will produce a no-op. You
+   must not try to change the event's fields with event_assign() or
+   event_set() while the finalize callback is in progress.  Once the
+   callback has been invoked, you should treat the event structure as
+   containing uninitialized memory.
+
+   The event_free_finalize() function frees the event after it's finalized;
+   event_finalize() does not.
+
+   A finalizer callback must not make events pending or active.  It must not
+   add events, activate events, or attempt to "resucitate" the event being
+   finalized in any way.
+
+   THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+   BECOMES STABLE.
+
+   @return 0 on succes, -1 on failure.
+ */
+/**@{*/
+EVENT2_EXPORT_SYMBOL
+int event_finalize(unsigned, struct event *, event_finalize_callback_fn);
+EVENT2_EXPORT_SYMBOL
+int event_free_finalize(unsigned, struct event *, event_finalize_callback_fn);
+/**@}*/
+
+/**
   Schedule a one-time event
 
-  The function event_base_once() is similar to event_set().  However, it
+  The function event_base_once() is similar to event_new().  However, it
   schedules a callback to be called exactly once, and does not require the
   caller to prepare an event structure.
 
-  Note that in Libevent 2.0 and earlier, if the event is never triggered,
-  the internal memory used to hold it will never be freed.  This may be
-  fixed in a later version of Libevent.
+  Note that in Libevent 2.0 and earlier, if the event is never triggered, the
+  internal memory used to hold it will never be freed.  In Libevent 2.1,
+  the internal memory will get freed by event_base_free() if the event
+  is never triggered.  The 'arg' value, however, will not get freed in either
+  case--you'll need to free that on your own if you want it to go away.
 
   @param base an event_base
   @param fd a file descriptor to monitor, or -1 for no fd.
@@ -910,13 +1202,14 @@
         EV_TIMEOUT event succees immediately.
   @return 0 if successful, or -1 if an error occurred
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_once(struct event_base *, evutil_socket_t, short, event_callback_fn, void *, const struct timeval *);
 
 /**
   Add an event to the set of pending events.
 
-  The function event_add() schedules the execution of the ev event when the
-  event specified in event_assign()/event_new() occurs, or when the time
+  The function event_add() schedules the execution of the event 'ev' when the
+  condition specified by event_assign() or event_new() occurs, or when the time
   specified in timeout has elapesed.  If atimeout is NULL, no timeout
   occurs and the function will only be
   called if a matching event occurs.  The event in the
@@ -925,18 +1218,30 @@
   in calls to event_assign() until it is no longer pending.
 
   If the event in the ev argument already has a scheduled timeout, calling
-  event_add() replaces the old timeout with the new one, or clears the old
-  timeout if the timeout argument is NULL.
+  event_add() replaces the old timeout with the new one if tv is non-NULL.
 
-  @param ev an event struct initialized via event_set()
+  @param ev an event struct initialized via event_assign() or event_new()
   @param timeout the maximum amount of time to wait for the event, or NULL
          to wait forever
   @return 0 if successful, or -1 if an error occurred
   @see event_del(), event_assign(), event_new()
   */
+EVENT2_EXPORT_SYMBOL
 int event_add(struct event *ev, const struct timeval *timeout);
 
 /**
+   Remove a timer from a pending event without removing the event itself.
+
+   If the event has a scheduled timeout, this function unschedules it but
+   leaves the event otherwise pending.
+
+   @param ev an event struct initialized via event_assign() or event_new()
+   @return 0 on success, or -1 if  an error occurrect.
+*/
+EVENT2_EXPORT_SYMBOL
+int event_remove_timer(struct event *ev);
+
+/**
   Remove an event from the set of monitored events.
 
   The function event_del() will cancel the event in the argument ev.  If the
@@ -947,8 +1252,29 @@
   @return 0 if successful, or -1 if an error occurred
   @see event_add()
  */
+EVENT2_EXPORT_SYMBOL
 int event_del(struct event *);
 
+/**
+   As event_del(), but never blocks while the event's callback is running
+   in another thread, even if the event was constructed without the
+   EV_FINALIZE flag.
+
+   THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+   BECOMES STABLE.
+ */
+EVENT2_EXPORT_SYMBOL
+int event_del_noblock(struct event *ev);
+/**
+   As event_del(), but always blocks while the event's callback is running
+   in another thread, even if the event was constructed with the
+   EV_FINALIZE flag.
+
+   THIS IS AN EXPERIMENTAL API. IT MIGHT CHANGE BEFORE THE LIBEVENT 2.1 SERIES
+   BECOMES STABLE.
+ */
+EVENT2_EXPORT_SYMBOL
+int event_del_block(struct event *ev);
 
 /**
   Make an event active.
@@ -964,6 +1290,7 @@
   @param res a set of flags to pass to the event's callback.
   @param ncalls an obsolete argument: this is ignored.
  **/
+EVENT2_EXPORT_SYMBOL
 void event_active(struct event *ev, int res, short ncalls);
 
 /**
@@ -979,8 +1306,17 @@
   @return true if the event is pending on any of the events in 'what', (that
   is to say, it has been added), or 0 if the event is not added.
  */
+EVENT2_EXPORT_SYMBOL
 int event_pending(const struct event *ev, short events, struct timeval *tv);
 
+/**
+   If called from within the callback for an event, returns that event.
+
+   The behavior of this function is not defined when called from outside the
+   callback function for an event.
+ */
+EVENT2_EXPORT_SYMBOL
+struct event *event_base_get_running_event(struct event_base *base);
 
 /**
   Test if an event structure might be initialized.
@@ -997,6 +1333,7 @@
   @return 1 if the structure might be initialized, or 0 if it has not been
           initialized
  */
+EVENT2_EXPORT_SYMBOL
 int event_initialized(const struct event *ev);
 
 /**
@@ -1008,35 +1345,48 @@
    Get the socket or signal assigned to an event, or -1 if the event has
    no socket.
 */
+EVENT2_EXPORT_SYMBOL
 evutil_socket_t event_get_fd(const struct event *ev);
 
 /**
    Get the event_base associated with an event.
 */
+EVENT2_EXPORT_SYMBOL
 struct event_base *event_get_base(const struct event *ev);
 
 /**
    Return the events (EV_READ, EV_WRITE, etc) assigned to an event.
 */
+EVENT2_EXPORT_SYMBOL
 short event_get_events(const struct event *ev);
 
 /**
    Return the callback assigned to an event.
 */
+EVENT2_EXPORT_SYMBOL
 event_callback_fn event_get_callback(const struct event *ev);
 
 /**
    Return the callback argument assigned to an event.
 */
+EVENT2_EXPORT_SYMBOL
 void *event_get_callback_arg(const struct event *ev);
 
 /**
+   Return the priority of an event.
+   @see event_priority_init(), event_get_priority()
+*/
+EVENT2_EXPORT_SYMBOL
+int event_get_priority(const struct event *ev);
+
+/**
    Extract _all_ of arguments given to construct a given event.  The
    event_base is copied into *base_out, the fd is copied into *fd_out, and so
    on.
 
    If any of the "_out" arguments is NULL, it will be ignored.
  */
+EVENT2_EXPORT_SYMBOL
 void event_get_assignment(const struct event *event,
     struct event_base **base_out, evutil_socket_t *fd_out, short *events_out,
     event_callback_fn *callback_out, void **arg_out);
@@ -1054,6 +1404,7 @@
    We might do this to help ensure ABI-compatibility between different
    versions of Libevent.
  */
+EVENT2_EXPORT_SYMBOL
 size_t event_get_struct_event_size(void);
 
 /**
@@ -1065,6 +1416,7 @@
 
    @return a string containing the version number of Libevent
 */
+EVENT2_EXPORT_SYMBOL
 const char *event_get_version(void);
 
 /**
@@ -1078,13 +1430,14 @@
    the version number.  The low-order byte is unused.  For example, version
    2.0.1-alpha has a numeric representation of 0x02000100
 */
+EVENT2_EXPORT_SYMBOL
 ev_uint32_t event_get_version_number(void);
 
 /** As event_get_version, but gives the version of Libevent's headers. */
-#define LIBEVENT_VERSION _EVENT_VERSION
+#define LIBEVENT_VERSION EVENT__VERSION
 /** As event_get_version_number, but gives the version number of Libevent's
  * headers. */
-#define LIBEVENT_VERSION_NUMBER _EVENT_NUMERIC_VERSION
+#define LIBEVENT_VERSION_NUMBER EVENT__NUMERIC_VERSION
 
 /** Largest number of priorities that Libevent can support. */
 #define EVENT_MAX_PRIORITIES 256
@@ -1115,16 +1468,28 @@
   @return 0 if successful, or -1 if an error occurred
   @see event_priority_set()
  */
+EVENT2_EXPORT_SYMBOL
 int	event_base_priority_init(struct event_base *, int);
 
 /**
+  Get the number of different event priorities.
+
+  @param eb the event_base structure returned by event_base_new()
+  @return Number of different event priorities
+  @see event_base_priority_init()
+*/
+EVENT2_EXPORT_SYMBOL
+int	event_base_get_npriorities(struct event_base *eb);
+
+/**
   Assign a priority to an event.
 
   @param ev an event struct
   @param priority the new priority to be assigned
   @return 0 if successful, or -1 if an error occurred
-  @see event_priority_init()
+  @see event_priority_init(), event_get_priority()
   */
+EVENT2_EXPORT_SYMBOL
 int	event_priority_set(struct event *, int);
 
 /**
@@ -1146,10 +1511,11 @@
    (This optimization probably will not be worthwhile until you have thousands
    or tens of thousands of events with the same timeout.)
  */
+EVENT2_EXPORT_SYMBOL
 const struct timeval *event_base_init_common_timeout(struct event_base *base,
     const struct timeval *duration);
 
-#if !defined(_EVENT_DISABLE_MM_REPLACEMENT) || defined(_EVENT_IN_DOXYGEN)
+#if !defined(EVENT__DISABLE_MM_REPLACEMENT) || defined(EVENT_IN_DOXYGEN_)
 /**
  Override the functions that Libevent uses for memory management.
 
@@ -1172,6 +1538,7 @@
  @param realloc_fn A replacement for realloc
  @param free_fn A replacement for free.
  **/
+EVENT2_EXPORT_SYMBOL
 void event_set_mem_functions(
 	void *(*malloc_fn)(size_t sz),
 	void *(*realloc_fn)(void *ptr, size_t sz),
@@ -1181,8 +1548,79 @@
 #define EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
 #endif
 
+/**
+   Writes a human-readable description of all inserted and/or active
+   events to a provided stdio stream.
+
+   This is intended for debugging; its format is not guaranteed to be the same
+   between libevent versions.
+
+   @param base An event_base on which to scan the events.
+   @param output A stdio file to write on.
+ */
+EVENT2_EXPORT_SYMBOL
 void event_base_dump_events(struct event_base *, FILE *);
 
+
+/**
+   Activates all pending events for the given fd and event mask.
+
+   This function activates pending events only.  Events which have not been
+   added will not become active.
+
+   @param base the event_base on which to activate the events.
+   @param fd An fd to active events on.
+   @param events One or more of EV_{READ,WRITE}.
+ */
+EVENT2_EXPORT_SYMBOL
+void event_base_active_by_fd(struct event_base *base, evutil_socket_t fd, short events);
+
+/**
+   Activates all pending signals with a given signal number
+
+   This function activates pending events only.  Events which have not been
+   added will not become active.
+
+   @param base the event_base on which to activate the events.
+   @param fd The signal to active events on.
+ */
+EVENT2_EXPORT_SYMBOL
+void event_base_active_by_signal(struct event_base *base, int sig);
+
+/**
+ * Callback for iterating events in an event base via event_base_foreach_event
+ */
+typedef int (*event_base_foreach_event_cb)(const struct event_base *, const struct event *, void *);
+
+/**
+   Iterate over all added or active events events in an event loop, and invoke
+   a given callback on each one.
+
+   The callback must not call any function that modifies the event base, that
+   modifies any event in the event base, or that adds or removes any event to
+   the event base.  Doing so is unsupported and will lead to undefined
+   behavior -- likely, to crashes.
+
+   event_base_foreach_event() holds a lock on the event_base() for the whole
+   time it's running: slow callbacks are not advisable.
+
+   Note that Libevent adds some events of its own to make pieces of its
+   functionality work.  You must not assume that the only events you'll
+   encounter will be the ones you added yourself.
+
+   The callback function must return 0 to continue iteration, or some other
+   integer to stop iterating.
+
+   @param base An event_base on which to scan the events.
+   @param fn   A callback function to receive the events.
+   @param arg  An argument passed to the callback function.
+   @return 0 if we iterated over every event, or the value returned by the
+      callback function if the loop exited early.
+*/
+EVENT2_EXPORT_SYMBOL
+int event_base_foreach_event(struct event_base *base, event_base_foreach_event_cb fn, void *arg);
+
+
 /** Sets 'tv' to the current time (as returned by gettimeofday()),
     looking at the cached value in 'base' if possible, and calling
     gettimeofday() or clock_gettime() as appropriate if there is no
@@ -1194,11 +1632,44 @@
 
     Returns 0 on success, negative on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int event_base_gettimeofday_cached(struct event_base *base,
     struct timeval *tv);
 
+/** Update cached_tv in the 'base' to the current time
+ *
+ * You can use this function is useful for selectively increasing
+ * the accuracy of the cached time value in 'base' during callbacks
+ * that take a long time to execute.
+ *
+ * This function has no effect if the base is currently not in its
+ * event loop, or if timeval caching is disabled via
+ * EVENT_BASE_FLAG_NO_CACHE_TIME.
+ *
+ * @return 0 on success, -1 on failure
+ */
+EVENT2_EXPORT_SYMBOL
+int event_base_update_cache_time(struct event_base *base);
+
+/** Release up all globally-allocated resources allocated by Libevent.
+
+    This function does not free developer-controlled resources like
+    event_bases, events, bufferevents, listeners, and so on.  It only releases
+    resources like global locks that there is no other way to free.
+
+    It is not actually necessary to call this function before exit: every
+    resource that it frees would be released anyway on exit.  It mainly exists
+    so that resource-leak debugging tools don't see Libevent as holding
+    resources at exit.
+
+    You should only call this function when no other Libevent functions will
+    be invoked -- e.g., when cleanly exiting a program.
+ */
+EVENT2_EXPORT_SYMBOL
+void libevent_global_shutdown(void);
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_EVENT_H_ */
+#endif /* EVENT2_EVENT_H_INCLUDED_ */
diff --git a/include/event2/event_compat.h b/include/event2/event_compat.h
index 14a10e9..5110175 100644
--- a/include/event2/event_compat.h
+++ b/include/event2/event_compat.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_EVENT_COMPAT_H_
-#define _EVENT2_EVENT_COMPAT_H_
+#ifndef EVENT2_EVENT_COMPAT_H_INCLUDED_
+#define EVENT2_EVENT_COMPAT_H_INCLUDED_
 
 /** @file event2/event_compat.h
 
@@ -41,16 +41,17 @@
 
   @deprecated All functions in this file are by definition deprecated.
  */
+#include <event2/visibility.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -70,6 +71,7 @@
 
   @see event_base_set(), event_base_new()
  */
+EVENT2_EXPORT_SYMBOL
 struct event_base *event_init(void);
 
 /**
@@ -83,6 +85,7 @@
 
   @see event_base_dispatch(), event_init()
  */
+EVENT2_EXPORT_SYMBOL
 int event_dispatch(void);
 
 /**
@@ -96,6 +99,7 @@
 
   @see event_base_loop(), event_init()
 */
+EVENT2_EXPORT_SYMBOL
 int event_loop(int);
 
 
@@ -111,6 +115,7 @@
 
   @see event_init, event_base_loopexit()
   */
+EVENT2_EXPORT_SYMBOL
 int event_loopexit(const struct timeval *);
 
 
@@ -126,6 +131,7 @@
 
   @see event_base_loopbreak(), event_init()
  */
+EVENT2_EXPORT_SYMBOL
 int event_loopbreak(void);
 
 /**
@@ -137,6 +143,7 @@
 
   @see event_base_once()
  */
+EVENT2_EXPORT_SYMBOL
 int event_once(evutil_socket_t , short,
     void (*)(evutil_socket_t, short, void *), void *, const struct timeval *);
 
@@ -150,6 +157,7 @@
 
   @see event_base_get_method()
  */
+EVENT2_EXPORT_SYMBOL
 const char *event_get_method(void);
 
 
@@ -162,6 +170,7 @@
 
   @see event_base_priority_init()
  */
+EVENT2_EXPORT_SYMBOL
 int	event_priority_init(int);
 
 /**
@@ -171,6 +180,7 @@
      a subsequent call to event_base_set() to be safe under most circumstances.
      Use event_assign() or event_new() instead.
  */
+EVENT2_EXPORT_SYMBOL
 void event_set(struct event *, evutil_socket_t, short, void (*)(evutil_socket_t, short, void *), void *);
 
 #define evtimer_set(ev, cb, arg)	event_set((ev), -1, 0, (cb), (arg))
@@ -217,4 +227,4 @@
 }
 #endif
 
-#endif /* _EVENT2_EVENT_COMPAT_H_ */
+#endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */
diff --git a/include/event2/event_struct.h b/include/event2/event_struct.h
index 2ed4272..1c8b71b 100644
--- a/include/event2/event_struct.h
+++ b/include/event2/event_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_EVENT_STRUCT_H_
-#define _EVENT2_EVENT_STRUCT_H_
+#ifndef EVENT2_EVENT_STRUCT_H_INCLUDED_
+#define EVENT2_EVENT_STRUCT_H_INCLUDED_
 
 /** @file event2/event_struct.h
 
@@ -41,10 +41,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -54,19 +54,20 @@
 /* For evkeyvalq */
 #include <event2/keyvalq_struct.h>
 
-#define EVLIST_TIMEOUT	0x01
-#define EVLIST_INSERTED	0x02
-#define EVLIST_SIGNAL	0x04
-#define EVLIST_ACTIVE	0x08
-#define EVLIST_INTERNAL	0x10
-#define EVLIST_INIT	0x80
+#define EVLIST_TIMEOUT	    0x01
+#define EVLIST_INSERTED	    0x02
+#define EVLIST_SIGNAL	    0x04
+#define EVLIST_ACTIVE	    0x08
+#define EVLIST_INTERNAL	    0x10
+#define EVLIST_ACTIVE_LATER 0x20
+#define EVLIST_FINALIZING   0x40
+#define EVLIST_INIT	    0x80
 
-/* EVLIST_X_ Private space: 0x1000-0xf000 */
-#define EVLIST_ALL	(0xf000 | 0x9f)
+#define EVLIST_ALL          0xff
 
 /* Fix so that people don't have to run with <sys/queue.h> */
 #ifndef TAILQ_ENTRY
-#define _EVENT_DEFINED_TQENTRY
+#define EVENT_DEFINED_TQENTRY_
 #define TAILQ_ENTRY(type)						\
 struct {								\
 	struct type *tqe_next;	/* next element */			\
@@ -75,7 +76,7 @@
 #endif /* !TAILQ_ENTRY */
 
 #ifndef TAILQ_HEAD
-#define _EVENT_DEFINED_TQHEAD
+#define EVENT_DEFINED_TQHEAD_
 #define TAILQ_HEAD(name, type)			\
 struct name {					\
 	struct type *tqh_first;			\
@@ -83,10 +84,45 @@
 }
 #endif
 
+/* Fix so that people don't have to run with <sys/queue.h> */
+#ifndef LIST_ENTRY
+#define EVENT_DEFINED_LISTENTRY_
+#define LIST_ENTRY(type)						\
+struct {								\
+	struct type *le_next;	/* next element */			\
+	struct type **le_prev;	/* address of previous next element */	\
+}
+#endif /* !LIST_ENTRY */
+
+#ifndef LIST_HEAD
+#define EVENT_DEFINED_LISTHEAD_
+#define LIST_HEAD(name, type)						\
+struct name {								\
+	struct type *lh_first;  /* first element */			\
+	}
+#endif /* !LIST_HEAD */
+
+struct event;
+
+struct event_callback {
+	TAILQ_ENTRY(event_callback) evcb_active_next;
+	short evcb_flags;
+	ev_uint8_t evcb_pri;	/* smaller numbers are higher priority */
+	ev_uint8_t evcb_closure;
+	/* allows us to adopt for different types of events */
+        union {
+		void (*evcb_callback)(evutil_socket_t, short, void *);
+		void (*evcb_selfcb)(struct event_callback *, void *);
+		void (*evcb_evfinalize)(struct event *, void *);
+		void (*evcb_cbfinalize)(struct event_callback *, void *);
+	} evcb_cb_union;
+	void *evcb_arg;
+};
+
 struct event_base;
 struct event {
-	TAILQ_ENTRY(event) ev_active_next;
-	TAILQ_ENTRY(event) ev_next;
+	struct event_callback ev_evcallback;
+
 	/* for managing timeouts */
 	union {
 		TAILQ_ENTRY(event) ev_next_with_common_timeout;
@@ -99,43 +135,46 @@
 	union {
 		/* used for io events */
 		struct {
-			TAILQ_ENTRY(event) ev_io_next;
+			LIST_ENTRY (event) ev_io_next;
 			struct timeval ev_timeout;
 		} ev_io;
 
 		/* used by signal events */
 		struct {
-			TAILQ_ENTRY(event) ev_signal_next;
+			LIST_ENTRY (event) ev_signal_next;
 			short ev_ncalls;
 			/* Allows deletes in callback */
 			short *ev_pncalls;
 		} ev_signal;
-	} _ev;
+	} ev_;
 
 	short ev_events;
 	short ev_res;		/* result passed to event callback */
-	short ev_flags;
-	ev_uint8_t ev_pri;	/* smaller numbers are higher priority */
-	ev_uint8_t ev_closure;
 	struct timeval ev_timeout;
-
-	/* allows us to adopt for different types of events */
-	void (*ev_callback)(evutil_socket_t, short, void *arg);
-	void *ev_arg;
 };
 
 TAILQ_HEAD (event_list, event);
 
-#ifdef _EVENT_DEFINED_TQENTRY
+#ifdef EVENT_DEFINED_TQENTRY_
 #undef TAILQ_ENTRY
 #endif
 
-#ifdef _EVENT_DEFINED_TQHEAD
+#ifdef EVENT_DEFINED_TQHEAD_
 #undef TAILQ_HEAD
 #endif
 
+LIST_HEAD (event_dlist, event); 
+
+#ifdef EVENT_DEFINED_LISTENTRY_
+#undef LIST_ENTRY
+#endif
+
+#ifdef EVENT_DEFINED_LISTHEAD_
+#undef LIST_HEAD
+#endif
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_EVENT_STRUCT_H_ */
+#endif /* EVENT2_EVENT_STRUCT_H_INCLUDED_ */
diff --git a/include/event2/http.h b/include/event2/http.h
index c6ee1db..8fb5642 100644
--- a/include/event2/http.h
+++ b/include/event2/http.h
@@ -24,11 +24,12 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_HTTP_H_
-#define _EVENT2_HTTP_H_
+#ifndef EVENT2_HTTP_H_INCLUDED_
+#define EVENT2_HTTP_H_INCLUDED_
 
 /* For int types. */
 #include <event2/util.h>
+#include <event2/visibility.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -37,6 +38,8 @@
 /* In case we haven't included the right headers yet. */
 struct evbuffer;
 struct event_base;
+struct bufferevent;
+struct evhttp_connection;
 
 /** @file event2/http.h
  *
@@ -69,6 +72,7 @@
 struct evkeyvalq;
 struct evhttp_bound_socket;
 struct evconnlistener;
+struct evdns_base;
 
 /**
  * Create a new HTTP server.
@@ -77,6 +81,7 @@
  * @return a pointer to a newly initialized evhttp server structure
  * @see evhttp_free()
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp *evhttp_new(struct event_base *base);
 
 /**
@@ -91,6 +96,7 @@
  * @return 0 on success, -1 on failure.
  * @see evhttp_accept_socket()
  */
+EVENT2_EXPORT_SYMBOL
 int evhttp_bind_socket(struct evhttp *http, const char *address, ev_uint16_t port);
 
 /**
@@ -104,6 +110,7 @@
  * @return Handle for the socket on success, NULL on failure.
  * @see evhttp_bind_socket(), evhttp_del_accept_socket()
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_bound_socket *evhttp_bind_socket_with_handle(struct evhttp *http, const char *address, ev_uint16_t port);
 
 /**
@@ -122,6 +129,7 @@
  * @return 0 on success, -1 on failure.
  * @see evhttp_bind_socket()
  */
+EVENT2_EXPORT_SYMBOL
 int evhttp_accept_socket(struct evhttp *http, evutil_socket_t fd);
 
 /**
@@ -134,6 +142,7 @@
  * @return Handle for the socket on success, NULL on failure.
  * @see evhttp_accept_socket(), evhttp_del_accept_socket()
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_bound_socket *evhttp_accept_socket_with_handle(struct evhttp *http, evutil_socket_t fd);
 
 /**
@@ -141,13 +150,29 @@
  * returns an evhttp_bound_socket.  The listener will be freed when the bound
  * socket is freed.
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_bound_socket *evhttp_bind_listener(struct evhttp *http, struct evconnlistener *listener);
 
 /**
  * Return the listener used to implement a bound socket.
  */
+EVENT2_EXPORT_SYMBOL
 struct evconnlistener *evhttp_bound_socket_get_listener(struct evhttp_bound_socket *bound);
 
+typedef void evhttp_bound_socket_foreach_fn(struct evhttp_bound_socket *, void *);
+/**
+ * Applies the function specified in the first argument to all
+ * evhttp_bound_sockets associated with "http". The user must not
+ * attempt to free or remove any connections, sockets or listeners
+ * in the callback "function".
+ *
+ * @param http pointer to an evhttp object
+ * @param function function to apply to every bound socket
+ * @param argument pointer value passed to function for every socket iterated
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_foreach_bound_socket(struct evhttp *http, evhttp_bound_socket_foreach_fn *function, void *argument);
+
 /**
  * Makes an HTTP server stop accepting connections on the specified socket
  *
@@ -165,6 +190,7 @@
  * @param bound_socket a handle returned by evhttp_{bind,accept}_socket_with_handle
  * @see evhttp_bind_socket_with_handle(), evhttp_accept_socket_with_handle()
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_del_accept_socket(struct evhttp *http, struct evhttp_bound_socket *bound_socket);
 
 /**
@@ -174,6 +200,7 @@
  * @return the file descriptor used by the bound socket
  * @see evhttp_bind_socket_with_handle(), evhttp_accept_socket_with_handle()
  */
+EVENT2_EXPORT_SYMBOL
 evutil_socket_t evhttp_bound_socket_get_fd(struct evhttp_bound_socket *bound_socket);
 
 /**
@@ -184,14 +211,29 @@
  * @param http the evhttp server object to be freed
  * @see evhttp_start()
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_free(struct evhttp* http);
 
 /** XXX Document. */
+EVENT2_EXPORT_SYMBOL
 void evhttp_set_max_headers_size(struct evhttp* http, ev_ssize_t max_headers_size);
 /** XXX Document. */
+EVENT2_EXPORT_SYMBOL
 void evhttp_set_max_body_size(struct evhttp* http, ev_ssize_t max_body_size);
 
 /**
+  Set the value to use for the Content-Type header when none was provided. If
+  the content type string is NULL, the Content-Type header will not be
+  automatically added.
+
+  @param http the http server on which to set the default content type
+  @param content_type the value for the Content-Type header
+*/
+EVENT2_EXPORT_SYMBOL
+void evhttp_set_default_content_type(struct evhttp *http,
+	const char *content_type);
+
+/**
   Sets the what HTTP methods are supported in requests accepted by this
   server, and passed to user callbacks.
 
@@ -202,6 +244,7 @@
   @param http the http server on which to set the methods
   @param methods bit mask constructed from evhttp_cmd_type values
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_set_allowed_methods(struct evhttp* http, ev_uint16_t methods);
 
 /**
@@ -213,10 +256,12 @@
    @param cb_arg an additional context argument for the callback
    @return 0 on success, -1 if the callback existed already, -2 on failure
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_set_cb(struct evhttp *http, const char *path,
     void (*cb)(struct evhttp_request *, void *), void *cb_arg);
 
 /** Removes the callback for a specified URI */
+EVENT2_EXPORT_SYMBOL
 int evhttp_del_cb(struct evhttp *, const char *);
 
 /**
@@ -230,10 +275,29 @@
     @param cb the callback to invoke for any unmatched requests
     @param arg an context argument for the callback
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_set_gencb(struct evhttp *http,
     void (*cb)(struct evhttp_request *, void *), void *arg);
 
 /**
+   Set a callback used to create new bufferevents for connections
+   to a given evhttp object.
+
+   You can use this to override the default bufferevent type -- for example,
+   to make this evhttp object use SSL bufferevents rather than unencrypted
+   ones.
+
+   New bufferevents must be allocated with no fd set on them.
+
+   @param http the evhttp server object for which to set the callback
+   @param cb the callback to invoke for incoming connections
+   @param arg an context argument for the callback
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_set_bevcb(struct evhttp *http,
+    struct bufferevent *(*cb)(struct event_base *, void *), void *arg);
+
+/**
    Adds a virtual host to the http server.
 
    A virtual host is a newly initialized evhttp object that has request
@@ -255,6 +319,7 @@
    @return 0 on success, -1 on failure
    @see evhttp_remove_virtual_host()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_add_virtual_host(struct evhttp* http, const char *pattern,
     struct evhttp* vhost);
 
@@ -266,6 +331,7 @@
    @return 0 on success, -1 on failure
    @see evhttp_add_virtual_host()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_remove_virtual_host(struct evhttp* http, struct evhttp* vhost);
 
 /**
@@ -276,6 +342,7 @@
    @param alias the alias to add
    @see evhttp_add_remove_alias()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_add_server_alias(struct evhttp *http, const char *alias);
 
 /**
@@ -285,6 +352,7 @@
    @param alias the alias to remove
    @see evhttp_add_server_alias()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_remove_server_alias(struct evhttp *http, const char *alias);
 
 /**
@@ -293,8 +361,31 @@
  * @param http an evhttp object
  * @param timeout_in_secs the timeout, in seconds
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_set_timeout(struct evhttp *http, int timeout_in_secs);
 
+/**
+ * Set the timeout for an HTTP request.
+ *
+ * @param http an evhttp object
+ * @param tv the timeout, or NULL
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_set_timeout_tv(struct evhttp *http, const struct timeval* tv);
+
+/* Read all the clients body, and only after this respond with an error if the
+ * clients body exceed max_body_size */
+#define EVHTTP_SERVER_LINGERING_CLOSE	0x0001
+/**
+ * Set connection flags for HTTP server.
+ *
+ * @see EVHTTP_SERVER_*
+ * @return 0 on success, otherwise non zero (for example if flag doesn't
+ * supported).
+ */
+EVENT2_EXPORT_SYMBOL
+int evhttp_set_flags(struct evhttp *http, int flags);
+
 /* Request/Response functionality */
 
 /**
@@ -305,6 +396,7 @@
  * @param reason a brief explanation of the error.  If this is NULL, we'll
  *    just use the standard meaning of the error code.
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_send_error(struct evhttp_request *req, int error,
     const char *reason);
 
@@ -321,6 +413,7 @@
  * @param reason a brief message to send with the response code
  * @param databuf the body of the response
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_send_reply(struct evhttp_request *req, int code,
     const char *reason, struct evbuffer *databuf);
 
@@ -340,6 +433,7 @@
    @param code the HTTP response code to send
    @param reason a brief message to send with the response code
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_send_reply_start(struct evhttp_request *req, int code,
     const char *reason);
 
@@ -354,13 +448,33 @@
    @param req a request object
    @param databuf the data chunk to send as part of the reply.
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_send_reply_chunk(struct evhttp_request *req,
     struct evbuffer *databuf);
+
+/**
+   Send another data chunk as part of an ongoing chunked reply.
+
+   The reply chunk consists of the data in databuf.  After calling
+   evhttp_send_reply_chunk() databuf will be empty, but the buffer is
+   still owned by the caller and needs to be deallocated by the caller
+   if necessary.
+
+   @param req a request object
+   @param databuf the data chunk to send as part of the reply.
+   @param cb callback funcion
+   @param call back's argument.
+*/
+EVENT2_EXPORT_SYMBOL
+void evhttp_send_reply_chunk_with_cb(struct evhttp_request *, struct evbuffer *,
+    void (*cb)(struct evhttp_connection *, void *), void *arg);
+
 /**
    Complete a chunked reply, freeing the request as appropriate.
 
    @param req a request object
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_send_reply_end(struct evhttp_request *req);
 
 /*
@@ -390,10 +504,42 @@
 enum evhttp_request_kind { EVHTTP_REQUEST, EVHTTP_RESPONSE };
 
 /**
+ * Create and return a connection object that can be used to for making HTTP
+ * requests.  The connection object tries to resolve address and establish the
+ * connection when it is given an http request object.
+ *
+ * @param base the event_base to use for handling the connection
+ * @param dnsbase the dns_base to use for resolving host names; if not
+ *     specified host name resolution will block.
+ * @param bev a bufferevent to use for connecting to the server; if NULL, a
+ *     socket-based bufferevent will be created.  This buffrevent will be freed
+ *     when the connection closes.  It must have no fd set on it.
+ * @param address the address to which to connect
+ * @param port the port to connect to
+ * @return an evhttp_connection object that can be used for making requests
+ */
+EVENT2_EXPORT_SYMBOL
+struct evhttp_connection *evhttp_connection_base_bufferevent_new(
+	struct event_base *base, struct evdns_base *dnsbase, struct bufferevent* bev, const char *address, ev_uint16_t port);
+
+/**
+ * Return the bufferevent that an evhttp_connection is using.
+ */
+EVENT2_EXPORT_SYMBOL
+struct bufferevent* evhttp_connection_get_bufferevent(struct evhttp_connection *evcon);
+
+/**
+ * Return the HTTP server associated with this connection, or NULL.
+ */
+EVENT2_EXPORT_SYMBOL
+struct evhttp *evhttp_connection_get_server(struct evhttp_connection *evcon);
+
+/**
  * Creates a new request object that needs to be filled in with the request
  * parameters.  The callback is executed when the request completed or an
  * error occurred.
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_request *evhttp_request_new(
 	void (*cb)(struct evhttp_request *, void *), void *arg);
 
@@ -404,18 +550,86 @@
  *           response. May drain the input buffer; it will be drained
  *           automatically on return.
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_request_set_chunked_cb(struct evhttp_request *,
     void (*cb)(struct evhttp_request *, void *));
 
-/** Frees the request object and removes associated events. */
-void evhttp_request_free(struct evhttp_request *req);
-
-struct evdns_base;
+/**
+ * Register callback for additional parsing of request headers.
+ * @param cb will be called after receiving and parsing the full header.
+ * It allows analyzing the header and possibly closing the connection
+ * by returning a value < 0.
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_request_set_header_cb(struct evhttp_request *,
+    int (*cb)(struct evhttp_request *, void *));
 
 /**
- * A connection object that can be used to for making HTTP requests.  The
- * connection object tries to resolve address and establish the connection
- * when it is given an http request object.
+ * The different error types supported by evhttp
+ *
+ * @see evhttp_request_set_error_cb()
+ */
+enum evhttp_request_error {
+  /**
+   * Timeout reached, also @see evhttp_connection_set_timeout()
+   */
+  EVREQ_HTTP_TIMEOUT,
+  /**
+   * EOF reached
+   */
+  EVREQ_HTTP_EOF,
+  /**
+   * Error while reading header, or invalid header
+   */
+  EVREQ_HTTP_INVALID_HEADER,
+  /**
+   * Error encountered while reading or writing
+   */
+  EVREQ_HTTP_BUFFER_ERROR,
+  /**
+   * The evhttp_cancel_request() called on this request.
+   */
+  EVREQ_HTTP_REQUEST_CANCEL,
+  /**
+   * Body is greater then evhttp_connection_set_max_body_size()
+   */
+  EVREQ_HTTP_DATA_TOO_LONG
+};
+/**
+ * Set a callback for errors
+ * @see evhttp_request_error for error types.
+ *
+ * On error, both the error callback and the regular callback will be called,
+ * error callback is called before the regular callback.
+ **/
+EVENT2_EXPORT_SYMBOL
+void evhttp_request_set_error_cb(struct evhttp_request *,
+    void (*)(enum evhttp_request_error, void *));
+
+/**
+ * Set a callback to be called on request completion of evhttp_send_* function.
+ *
+ * The callback function will be called on the completion of the request after
+ * the output data has been written and before the evhttp_request object
+ * is destroyed. This can be useful for tracking resources associated with a
+ * request (ex: timing metrics).
+ *
+ * @param req a request object
+ * @param cb callback function that will be called on request completion
+ * @param cb_arg an additional context argument for the callback
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_request_set_on_complete_cb(struct evhttp_request *req,
+    void (*cb)(struct evhttp_request *, void *), void *cb_arg);
+
+/** Frees the request object and removes associated events. */
+EVENT2_EXPORT_SYMBOL
+void evhttp_request_free(struct evhttp_request *req);
+
+/**
+ * Create and return a connection object that can be used to for making HTTP
+ * requests.  The connection object tries to resolve address and establish the
+ * connection when it is given an http request object.
  *
  * @param base the event_base to use for handling the connection
  * @param dnsbase the dns_base to use for resolving host names; if not
@@ -424,24 +638,49 @@
  * @param port the port to connect to
  * @return an evhttp_connection object that can be used for making requests
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_connection *evhttp_connection_base_new(
 	struct event_base *base, struct evdns_base *dnsbase,
-	const char *address, unsigned short port);
+	const char *address, ev_uint16_t port);
 
 /**
- * Return the bufferevent that an evhttp_connection is using.
+ * Set family hint for DNS requests.
  */
-struct bufferevent *evhttp_connection_get_bufferevent(
-	struct evhttp_connection *evcon);
+EVENT2_EXPORT_SYMBOL
+void evhttp_connection_set_family(struct evhttp_connection *evcon,
+	int family);
+
+/* reuse connection address on retry */
+#define EVHTTP_CON_REUSE_CONNECTED_ADDR	0x0008
+/* Try to read error, since server may already send and close
+ * connection, but if at that time we have some data to send then we
+ * can send get EPIPE and fail, while we can read that HTTP error. */
+#define EVHTTP_CON_READ_ON_WRITE_ERROR	0x0010
+/* @see EVHTTP_SERVER_LINGERING_CLOSE */
+#define EVHTTP_CON_LINGERING_CLOSE	0x0020
+/* Padding for public flags, @see EVHTTP_CON_* in http-internal.h */
+#define EVHTTP_CON_PUBLIC_FLAGS_END	0x100000
+/**
+ * Set connection flags.
+ *
+ * @see EVHTTP_CON_*
+ * @return 0 on success, otherwise non zero (for example if flag doesn't
+ * supported).
+ */
+EVENT2_EXPORT_SYMBOL
+int evhttp_connection_set_flags(struct evhttp_connection *evcon,
+	int flags);
 
 /** Takes ownership of the request object
  *
  * Can be used in a request callback to keep onto the request until
  * evhttp_request_free() is explicitly called by the user.
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_request_own(struct evhttp_request *req);
 
 /** Returns 1 if the request is owned by the user */
+EVENT2_EXPORT_SYMBOL
 int evhttp_request_is_owned(struct evhttp_request *req);
 
 /**
@@ -450,46 +689,89 @@
  * The user needs to either free the request explicitly or call
  * evhttp_send_reply_end().
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_connection *evhttp_request_get_connection(struct evhttp_request *req);
 
 /**
  * Returns the underlying event_base for this connection
  */
+EVENT2_EXPORT_SYMBOL
 struct event_base *evhttp_connection_get_base(struct evhttp_connection *req);
 
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_max_headers_size(struct evhttp_connection *evcon,
     ev_ssize_t new_max_headers_size);
 
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_max_body_size(struct evhttp_connection* evcon,
     ev_ssize_t new_max_body_size);
 
 /** Frees an http connection */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_free(struct evhttp_connection *evcon);
 
+/** Disowns a given connection object
+ *
+ * Can be used to tell libevent to free the connection object after
+ * the last request has completed or failed.
+ */
+EVENT2_EXPORT_SYMBOL
+void evhttp_connection_free_on_completion(struct evhttp_connection *evcon);
+
 /** sets the ip address from which http connections are made */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_local_address(struct evhttp_connection *evcon,
     const char *address);
 
 /** sets the local port from which http connections are made */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_local_port(struct evhttp_connection *evcon,
     ev_uint16_t port);
 
-/** Sets the timeout for events related to this connection */
+/** Sets the timeout in seconds for events related to this connection */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_timeout(struct evhttp_connection *evcon,
     int timeout_in_secs);
 
+/** Sets the timeout for events related to this connection.  Takes a struct
+ * timeval. */
+EVENT2_EXPORT_SYMBOL
+void evhttp_connection_set_timeout_tv(struct evhttp_connection *evcon,
+    const struct timeval *tv);
+
+/** Sets the delay before retrying requests on this connection. This is only
+ * used if evhttp_connection_set_retries is used to make the number of retries
+ * at least one. Each retry after the first is twice as long as the one before
+ * it. */
+EVENT2_EXPORT_SYMBOL
+void evhttp_connection_set_initial_retry_tv(struct evhttp_connection *evcon,
+    const struct timeval *tv);
+
 /** Sets the retry limit for this connection - -1 repeats indefinitely */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_retries(struct evhttp_connection *evcon,
     int retry_max);
 
 /** Set a callback for connection close. */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_set_closecb(struct evhttp_connection *evcon,
     void (*)(struct evhttp_connection *, void *), void *);
 
 /** Get the remote address and port associated with this connection. */
+EVENT2_EXPORT_SYMBOL
 void evhttp_connection_get_peer(struct evhttp_connection *evcon,
     char **address, ev_uint16_t *port);
 
+/** Get the remote address associated with this connection.
+ * extracted from getpeername() OR from nameserver.
+ *
+ * @return NULL if getpeername() return non success,
+ * or connection is not connected,
+ * otherwise it return pointer to struct sockaddr_storage */
+EVENT2_EXPORT_SYMBOL
+const struct sockaddr*
+evhttp_connection_get_addr(struct evhttp_connection *evcon);
+
 /**
     Make an HTTP request over the specified connection.
 
@@ -503,6 +785,7 @@
     @return 0 on success, -1 on failure
     @see evhttp_cancel_request()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_make_request(struct evhttp_connection *evcon,
     struct evhttp_request *req,
     enum evhttp_cmd_type type, const char *uri);
@@ -520,6 +803,7 @@
 
    @param req the evhttp_request to cancel; req becomes invalid after this call.
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_cancel_request(struct evhttp_request *req);
 
 /**
@@ -528,26 +812,37 @@
 struct evhttp_uri;
 
 /** Returns the request URI */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_request_get_uri(const struct evhttp_request *req);
 /** Returns the request URI (parsed) */
+EVENT2_EXPORT_SYMBOL
 const struct evhttp_uri *evhttp_request_get_evhttp_uri(const struct evhttp_request *req);
 /** Returns the request command */
+EVENT2_EXPORT_SYMBOL
 enum evhttp_cmd_type evhttp_request_get_command(const struct evhttp_request *req);
 
+EVENT2_EXPORT_SYMBOL
 int evhttp_request_get_response_code(const struct evhttp_request *req);
+EVENT2_EXPORT_SYMBOL
+const char * evhttp_request_get_response_code_line(const struct evhttp_request *req);
 
 /** Returns the input headers */
+EVENT2_EXPORT_SYMBOL
 struct evkeyvalq *evhttp_request_get_input_headers(struct evhttp_request *req);
 /** Returns the output headers */
+EVENT2_EXPORT_SYMBOL
 struct evkeyvalq *evhttp_request_get_output_headers(struct evhttp_request *req);
 /** Returns the input buffer */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer *evhttp_request_get_input_buffer(struct evhttp_request *req);
 /** Returns the output buffer */
+EVENT2_EXPORT_SYMBOL
 struct evbuffer *evhttp_request_get_output_buffer(struct evhttp_request *req);
 /** Returns the host associated with the request. If a client sends an absolute
     URI, the host part of that is preferred. Otherwise, the input headers are
     searched for a Host: header. NULL is returned if no absolute URI or Host:
     header is provided. */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_request_get_host(struct evhttp_request *req);
 
 /* Interfaces for dealing with HTTP headers */
@@ -558,9 +853,10 @@
    @param headers the evkeyvalq object in which to find the header
    @param key the name of the header to find
    @returns a pointer to the value for the header or NULL if the header
-     count not be found.
+     could not be found.
    @see evhttp_add_header(), evhttp_remove_header()
 */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_find_header(const struct evkeyvalq *headers,
     const char *key);
 
@@ -572,6 +868,7 @@
    @returns 0 if the header was removed, -1  otherwise.
    @see evhttp_find_header(), evhttp_add_header()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_remove_header(struct evkeyvalq *headers, const char *key);
 
 /**
@@ -583,6 +880,7 @@
    @returns 0 on success, -1  otherwise.
    @see evhttp_find_header(), evhttp_clear_headers()
 */
+EVENT2_EXPORT_SYMBOL
 int evhttp_add_header(struct evkeyvalq *headers, const char *key, const char *value);
 
 /**
@@ -590,6 +888,7 @@
 
    @param headers the evkeyvalq object from which to remove all headers
 */
+EVENT2_EXPORT_SYMBOL
 void evhttp_clear_headers(struct evkeyvalq *headers);
 
 /* Miscellaneous utility functions */
@@ -606,6 +905,7 @@
    @param str an unencoded string
    @return a newly allocated URI-encoded string or NULL on failure
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_encode_uri(const char *str);
 
 /**
@@ -622,6 +922,7 @@
       as +, not %20.
    @return a newly allocate URI-encoded string, or NULL on failure.
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_uriencode(const char *str, ev_ssize_t size, int space_to_plus);
 
 /**
@@ -638,6 +939,7 @@
   @param uri an encoded URI
   @return a newly allocated unencoded URI or NULL on failure
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_decode_uri(const char *uri);
 
 /**
@@ -650,11 +952,12 @@
   The returned string must be freed by the caller.
 
   @param uri a URI-encode encoded URI
-  @param decode_plus determines whether we convert '+' to sapce.
+  @param decode_plus determines whether we convert '+' to space.
   @param size_out if size_out is not NULL, *size_out is set to the size of the
      returned string
   @return a newly allocated unencoded URI or NULL on failure
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_uridecode(const char *uri, int decode_plus,
     size_t *size_out);
 
@@ -677,6 +980,7 @@
    @param headers the head of the evkeyval queue
    @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evhttp_parse_query(const char *uri, struct evkeyvalq *headers);
 
 /**
@@ -696,6 +1000,7 @@
    @param headers the head of the evkeyval queue
    @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evhttp_parse_query_str(const char *uri, struct evkeyvalq *headers);
 
 /**
@@ -709,26 +1014,31 @@
  * @param html an unescaped HTML string
  * @return an escaped HTML string or NULL on error
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_htmlescape(const char *html);
 
 /**
  * Return a new empty evhttp_uri with no fields set.
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_uri *evhttp_uri_new(void);
 
 /**
  * Changes the flags set on a given URI.  See EVHTTP_URI_* for
  * a list of flags.
  **/
+EVENT2_EXPORT_SYMBOL
 void evhttp_uri_set_flags(struct evhttp_uri *uri, unsigned flags);
 
 /** Return the scheme of an evhttp_uri, or NULL if there is no scheme has
  * been set and the evhttp_uri contains a Relative-Ref. */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_scheme(const struct evhttp_uri *uri);
 /**
  * Return the userinfo part of an evhttp_uri, or NULL if it has no userinfo
  * set.
  */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_userinfo(const struct evhttp_uri *uri);
 /**
  * Return the host part of an evhttp_uri, or NULL if it has no host set.
@@ -742,40 +1052,52 @@
  * "mailto:user@example.com" has a host of NULL, but "file:///etc/motd"
  * has a host of "".
  */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_host(const struct evhttp_uri *uri);
 /** Return the port part of an evhttp_uri, or -1 if there is no port set. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_get_port(const struct evhttp_uri *uri);
 /** Return the path part of an evhttp_uri, or NULL if it has no path set */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_path(const struct evhttp_uri *uri);
 /** Return the query part of an evhttp_uri (excluding the leading "?"), or
  * NULL if it has no query set */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_query(const struct evhttp_uri *uri);
 /** Return the fragment part of an evhttp_uri (excluding the leading "#"),
  * or NULL if it has no fragment set */
+EVENT2_EXPORT_SYMBOL
 const char *evhttp_uri_get_fragment(const struct evhttp_uri *uri);
 
 /** Set the scheme of an evhttp_uri, or clear the scheme if scheme==NULL.
  * Returns 0 on success, -1 if scheme is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_scheme(struct evhttp_uri *uri, const char *scheme);
 /** Set the userinfo of an evhttp_uri, or clear the userinfo if userinfo==NULL.
  * Returns 0 on success, -1 if userinfo is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_userinfo(struct evhttp_uri *uri, const char *userinfo);
 /** Set the host of an evhttp_uri, or clear the host if host==NULL.
  * Returns 0 on success, -1 if host is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_host(struct evhttp_uri *uri, const char *host);
 /** Set the port of an evhttp_uri, or clear the port if port==-1.
  * Returns 0 on success, -1 if port is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_port(struct evhttp_uri *uri, int port);
 /** Set the path of an evhttp_uri, or clear the path if path==NULL.
  * Returns 0 on success, -1 if path is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_path(struct evhttp_uri *uri, const char *path);
 /** Set the query of an evhttp_uri, or clear the query if query==NULL.
  * The query should not include a leading "?".
  * Returns 0 on success, -1 if query is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_query(struct evhttp_uri *uri, const char *query);
 /** Set the fragment of an evhttp_uri, or clear the fragment if fragment==NULL.
  * The fragment should not include a leading "#".
  * Returns 0 on success, -1 if fragment is not well-formed. */
+EVENT2_EXPORT_SYMBOL
 int evhttp_uri_set_fragment(struct evhttp_uri *uri, const char *fragment);
 
 /**
@@ -812,6 +1134,7 @@
  * @return uri container to hold parsed data, or NULL if there is error
  * @see evhttp_uri_free()
  */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_uri *evhttp_uri_parse_with_flags(const char *source_uri,
     unsigned flags);
 
@@ -830,6 +1153,7 @@
 #define EVHTTP_URI_NONCONFORMANT 0x01
 
 /** Alias for evhttp_uri_parse_with_flags(source_uri, 0) */
+EVENT2_EXPORT_SYMBOL
 struct evhttp_uri *evhttp_uri_parse(const char *source_uri);
 
 /**
@@ -839,6 +1163,7 @@
  * @param uri container with parsed data
  * @see evhttp_uri_parse()
  */
+EVENT2_EXPORT_SYMBOL
 void evhttp_uri_free(struct evhttp_uri *uri);
 
 /**
@@ -854,10 +1179,11 @@
  * @return an joined uri as string or NULL on error
  * @see evhttp_uri_parse()
  */
+EVENT2_EXPORT_SYMBOL
 char *evhttp_uri_join(struct evhttp_uri *uri, char *buf, size_t limit);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_HTTP_H_ */
+#endif /* EVENT2_HTTP_H_INCLUDED_ */
diff --git a/include/event2/http_compat.h b/include/event2/http_compat.h
index 9e902a4..43c2c43 100644
--- a/include/event2/http_compat.h
+++ b/include/event2/http_compat.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_HTTP_COMPAT_H_
-#define _EVENT2_HTTP_COMPAT_H_
+#ifndef EVENT2_HTTP_COMPAT_H_INCLUDED_
+#define EVENT2_HTTP_COMPAT_H_INCLUDED_
 
 /** @file event2/http_compat.h
 
@@ -39,10 +39,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -58,7 +58,7 @@
  * @param port the port number on which the HTTP server should listen
  * @return an struct evhttp object
  */
-struct evhttp *evhttp_start(const char *address, unsigned short port);
+struct evhttp *evhttp_start(const char *address, ev_uint16_t port);
 
 /**
  * A connection object that can be used to for making HTTP requests.  The
@@ -68,7 +68,7 @@
  * @deprecated It does not allow an event base to be specified
  */
 struct evhttp_connection *evhttp_connection_new(
-	const char *address, unsigned short port);
+	const char *address, ev_uint16_t port);
 
 /**
  * Associates an event base with the connection - can only be called
@@ -87,4 +87,4 @@
 }
 #endif
 
-#endif /* _EVENT2_EVENT_COMPAT_H_ */
+#endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */
diff --git a/include/event2/http_struct.h b/include/event2/http_struct.h
index 41a92a9..4bf5b1f 100644
--- a/include/event2/http_struct.h
+++ b/include/event2/http_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_HTTP_STRUCT_H_
-#define _EVENT2_HTTP_STRUCT_H_
+#ifndef EVENT2_HTTP_STRUCT_H_INCLUDED_
+#define EVENT2_HTTP_STRUCT_H_INCLUDED_
 
 /** @file event2/http_struct.h
 
@@ -39,10 +39,10 @@
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -120,11 +120,33 @@
 	 * the regular callback.
 	 */
 	void (*chunk_cb)(struct evhttp_request *, void *);
+
+	/*
+	 * Callback added for forked-daapd so they can collect ICY
+	 * (shoutcast) metadata from the http header. If return
+	 * int is negative the connection will be closed.
+	 */
+	int (*header_cb)(struct evhttp_request *, void *);
+
+	/*
+	 * Error callback - called when error is occured.
+	 * @see evhttp_request_error for error types.
+	 *
+	 * @see evhttp_request_set_error_cb()
+	 */
+	void (*error_cb)(enum evhttp_request_error, void *);
+
+	/*
+	 * Send complete callback - called when the request is actually
+	 * sent and completed.
+	 */
+	void (*on_complete_cb)(struct evhttp_request *, void *);
+	void *on_complete_cb_arg;
 };
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_HTTP_STRUCT_H_ */
+#endif /* EVENT2_HTTP_STRUCT_H_INCLUDED_ */
 
diff --git a/include/event2/keyvalq_struct.h b/include/event2/keyvalq_struct.h
index ab8040b..bffa54b 100644
--- a/include/event2/keyvalq_struct.h
+++ b/include/event2/keyvalq_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_EVENT_KEYVALQ_STRUCT_H_
-#define _EVENT2_EVENT_KEYVALQ_STRUCT_H_
+#ifndef EVENT2_KEYVALQ_STRUCT_H_INCLUDED_
+#define EVENT2_KEYVALQ_STRUCT_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
@@ -34,7 +34,7 @@
 /* Fix so that people don't have to run with <sys/queue.h> */
 /* XXXX This code is duplicated with event_struct.h */
 #ifndef TAILQ_ENTRY
-#define _EVENT_DEFINED_TQENTRY
+#define EVENT_DEFINED_TQENTRY_
 #define TAILQ_ENTRY(type)						\
 struct {								\
 	struct type *tqe_next;	/* next element */			\
@@ -43,7 +43,7 @@
 #endif /* !TAILQ_ENTRY */
 
 #ifndef TAILQ_HEAD
-#define _EVENT_DEFINED_TQHEAD
+#define EVENT_DEFINED_TQHEAD_
 #define TAILQ_HEAD(name, type)			\
 struct name {					\
 	struct type *tqh_first;			\
@@ -65,11 +65,11 @@
 TAILQ_HEAD (evkeyvalq, evkeyval);
 
 /* XXXX This code is duplicated with event_struct.h */
-#ifdef _EVENT_DEFINED_TQENTRY
+#ifdef EVENT_DEFINED_TQENTRY_
 #undef TAILQ_ENTRY
 #endif
 
-#ifdef _EVENT_DEFINED_TQHEAD
+#ifdef EVENT_DEFINED_TQHEAD_
 #undef TAILQ_HEAD
 #endif
 
diff --git a/include/event2/listener.h b/include/event2/listener.h
index 2dc64be..84b4da0 100644
--- a/include/event2/listener.h
+++ b/include/event2/listener.h
@@ -24,8 +24,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_LISTENER_H_
-#define _EVENT2_LISTENER_H_
+#ifndef EVENT2_LISTENER_H_INCLUDED_
+#define EVENT2_LISTENER_H_INCLUDED_
+
+#include <event2/visibility.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -69,6 +71,32 @@
 /** Flag: Indicates that the listener should be locked so it's safe to use
  * from multiple threadcs at once. */
 #define LEV_OPT_THREADSAFE		(1u<<4)
+/** Flag: Indicates that the listener should be created in disabled
+ * state. Use evconnlistener_enable() to enable it later. */
+#define LEV_OPT_DISABLED		(1u<<5)
+/** Flag: Indicates that the listener should defer accept() until data is
+ * available, if possible.  Ignored on platforms that do not support this.
+ *
+ * This option can help performance for protocols where the client transmits
+ * immediately after connecting.  Do not use this option if your protocol
+ * _doesn't_ start out with the client transmitting data, since in that case
+ * this option will sometimes cause the kernel to never tell you about the
+ * connection.
+ *
+ * This option is only supported by evconnlistener_new_bind(): it can't
+ * work with evconnlistener_new_fd(), since the listener needs to be told
+ * to use the option before it is actually bound.
+ */
+#define LEV_OPT_DEFERRED_ACCEPT		(1u<<6)
+/** Flag: Indicates that we ask to allow multiple servers (processes or
+ * threads) to bind to the same port if they each set the option. 
+ * 
+ * SO_REUSEPORT is what most people would expect SO_REUSEADDR to be, however
+ * SO_REUSEPORT does not imply SO_REUSEADDR.
+ *
+ * This is only available on Linux and kernel 3.9+
+ */
+#define LEV_OPT_REUSEABLE_PORT		(1u<<7)
 
 /**
    Allocate a new evconnlistener object to listen for incoming TCP connections
@@ -87,6 +115,7 @@
       file descriptor, and it should already be bound to an appropriate
       port and address.
 */
+EVENT2_EXPORT_SYMBOL
 struct evconnlistener *evconnlistener_new(struct event_base *base,
     evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
     evutil_socket_t fd);
@@ -105,34 +134,42 @@
    @param addr The address to listen for connections on.
    @param socklen The length of the address.
  */
+EVENT2_EXPORT_SYMBOL
 struct evconnlistener *evconnlistener_new_bind(struct event_base *base,
     evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
     const struct sockaddr *sa, int socklen);
 /**
    Disable and deallocate an evconnlistener.
  */
+EVENT2_EXPORT_SYMBOL
 void evconnlistener_free(struct evconnlistener *lev);
 /**
    Re-enable an evconnlistener that has been disabled.
  */
+EVENT2_EXPORT_SYMBOL
 int evconnlistener_enable(struct evconnlistener *lev);
 /**
    Stop listening for connections on an evconnlistener.
  */
+EVENT2_EXPORT_SYMBOL
 int evconnlistener_disable(struct evconnlistener *lev);
 
 /** Return an evconnlistener's associated event_base. */
+EVENT2_EXPORT_SYMBOL
 struct event_base *evconnlistener_get_base(struct evconnlistener *lev);
 
 /** Return the socket that an evconnlistner is listening on. */
+EVENT2_EXPORT_SYMBOL
 evutil_socket_t evconnlistener_get_fd(struct evconnlistener *lev);
 
 /** Change the callback on the listener to cb and its user_data to arg.
  */
+EVENT2_EXPORT_SYMBOL
 void evconnlistener_set_cb(struct evconnlistener *lev,
     evconnlistener_cb cb, void *arg);
 
 /** Set an evconnlistener's error callback. */
+EVENT2_EXPORT_SYMBOL
 void evconnlistener_set_error_cb(struct evconnlistener *lev,
     evconnlistener_errorcb errorcb);
 
diff --git a/include/event2/rpc.h b/include/event2/rpc.h
index 5272edc..dd43df2 100644
--- a/include/event2/rpc.h
+++ b/include/event2/rpc.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_RPC_H_
-#define _EVENT2_RPC_H_
+#ifndef EVENT2_RPC_H_INCLUDED_
+#define EVENT2_RPC_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
@@ -76,7 +76,7 @@
 #define EVTAG_HAS(msg, member) \
 	((msg)->member##_set == 1)
 
-#ifndef _EVENT2_RPC_COMPAT_H_
+#ifndef EVENT2_RPC_COMPAT_H_INCLUDED_
 
 /**
    Assigns a value to the member in the message.
@@ -119,7 +119,7 @@
 #define EVTAG_GET_WITH_LEN(msg, member, pvalue, plen)	\
 	(*(msg)->base->member##_get)((msg), (pvalue), (plen))
 
-#endif  /* _EVENT2_RPC_COMPAT_H_ */
+#endif  /* EVENT2_RPC_COMPAT_H_INCLUDED_ */
 
 /**
    Adds a value to an array.
@@ -272,8 +272,8 @@
  * @param rpc_req the rpc request structure provided to the server callback
  */
 #define EVRPC_REQUEST_DONE(rpc_req) do { \
-  struct evrpc_req_generic *_req = (struct evrpc_req_generic *)(rpc_req); \
-  evrpc_request_done(_req);					\
+  struct evrpc_req_generic *req_ = (struct evrpc_req_generic *)(rpc_req); \
+  evrpc_request_done(req_);					\
 } while (0)
 
 
@@ -454,7 +454,7 @@
 	EVRPC_OUTPUT		/**< apply the function to an output hook */
 };
 
-#ifndef WIN32
+#ifndef _WIN32
 /** Deprecated alias for EVRPC_INPUT.  Not available on windows, where it
  * conflicts with platform headers. */
 #define INPUT EVRPC_INPUT
@@ -593,4 +593,4 @@
 }
 #endif
 
-#endif /* _EVENT2_RPC_H_ */
+#endif /* EVENT2_RPC_H_INCLUDED_ */
diff --git a/include/event2/rpc_compat.h b/include/event2/rpc_compat.h
index a4e24bb..8d8334d 100644
--- a/include/event2/rpc_compat.h
+++ b/include/event2/rpc_compat.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_RPC_COMPAT_H_
-#define _EVENT2_RPC_COMPAT_H_
+#ifndef EVENT2_RPC_COMPAT_H_INCLUDED_
+#define EVENT2_RPC_COMPAT_H_INCLUDED_
 
 /** @file event2/rpc_compat.h
 
@@ -58,4 +58,4 @@
 }
 #endif
 
-#endif /* _EVENT2_EVENT_COMPAT_H_ */
+#endif /* EVENT2_EVENT_COMPAT_H_INCLUDED_ */
diff --git a/include/event2/rpc_struct.h b/include/event2/rpc_struct.h
index c339ae5..8f691f4 100644
--- a/include/event2/rpc_struct.h
+++ b/include/event2/rpc_struct.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_RPC_STRUCT_H_
-#define _EVENT2_RPC_STRUCT_H_
+#ifndef EVENT2_RPC_STRUCT_H_INCLUDED_
+#define EVENT2_RPC_STRUCT_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
@@ -97,4 +97,4 @@
 }
 #endif
 
-#endif /* _EVENT2_RPC_STRUCT_H_ */
+#endif /* EVENT2_RPC_STRUCT_H_INCLUDED_ */
diff --git a/include/event2/tag.h b/include/event2/tag.h
index 9e51779..2f73bfc 100644
--- a/include/event2/tag.h
+++ b/include/event2/tag.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_TAG_H_
-#define _EVENT2_TAG_H_
+#ifndef EVENT2_TAG_H_INCLUDED_
+#define EVENT2_TAG_H_INCLUDED_
 
 /** @file event2/tag.h
 
@@ -33,15 +33,17 @@
 
  */
 
+#include <event2/visibility.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 
@@ -56,6 +58,7 @@
  * known ones - and we can just ignore the end of an event buffer.
  */
 
+EVENT2_EXPORT_SYMBOL
 void evtag_init(void);
 
 /**
@@ -65,10 +68,13 @@
    @param ptag a pointer in which the tag id is being stored
    @returns -1 on failure or the number of bytes in the remaining payload.
 */
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_header(struct evbuffer *evbuf, ev_uint32_t *ptag);
 
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal(struct evbuffer *evbuf, ev_uint32_t tag, const void *data,
     ev_uint32_t len);
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal_buffer(struct evbuffer *evbuf, ev_uint32_t tag,
     struct evbuffer *data);
 
@@ -82,38 +88,54 @@
   @param evbuf evbuffer to store the encoded number
   @param number a 32-bit integer
  */
+EVENT2_EXPORT_SYMBOL
 void evtag_encode_int(struct evbuffer *evbuf, ev_uint32_t number);
+EVENT2_EXPORT_SYMBOL
 void evtag_encode_int64(struct evbuffer *evbuf, ev_uint64_t number);
 
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal_int(struct evbuffer *evbuf, ev_uint32_t tag,
     ev_uint32_t integer);
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal_int64(struct evbuffer *evbuf, ev_uint32_t tag,
     ev_uint64_t integer);
 
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal_string(struct evbuffer *buf, ev_uint32_t tag,
     const char *string);
 
+EVENT2_EXPORT_SYMBOL
 void evtag_marshal_timeval(struct evbuffer *evbuf, ev_uint32_t tag,
     struct timeval *tv);
 
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal(struct evbuffer *src, ev_uint32_t *ptag,
     struct evbuffer *dst);
+EVENT2_EXPORT_SYMBOL
 int evtag_peek(struct evbuffer *evbuf, ev_uint32_t *ptag);
+EVENT2_EXPORT_SYMBOL
 int evtag_peek_length(struct evbuffer *evbuf, ev_uint32_t *plength);
+EVENT2_EXPORT_SYMBOL
 int evtag_payload_length(struct evbuffer *evbuf, ev_uint32_t *plength);
+EVENT2_EXPORT_SYMBOL
 int evtag_consume(struct evbuffer *evbuf);
 
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_int(struct evbuffer *evbuf, ev_uint32_t need_tag,
     ev_uint32_t *pinteger);
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_int64(struct evbuffer *evbuf, ev_uint32_t need_tag,
     ev_uint64_t *pinteger);
 
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_fixed(struct evbuffer *src, ev_uint32_t need_tag,
     void *data, size_t len);
 
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_string(struct evbuffer *evbuf, ev_uint32_t need_tag,
     char **pstring);
 
+EVENT2_EXPORT_SYMBOL
 int evtag_unmarshal_timeval(struct evbuffer *evbuf, ev_uint32_t need_tag,
     struct timeval *ptv);
 
@@ -121,4 +143,4 @@
 }
 #endif
 
-#endif /* _EVENT2_TAG_H_ */
+#endif /* EVENT2_TAG_H_INCLUDED_ */
diff --git a/include/event2/tag_compat.h b/include/event2/tag_compat.h
index 73c1933..a276c0d 100644
--- a/include/event2/tag_compat.h
+++ b/include/event2/tag_compat.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_TAG_COMPAT_H_
-#define _EVENT2_TAG_COMPAT_H_
+#ifndef EVENT2_TAG_COMPAT_H_INCLUDED_
+#define EVENT2_TAG_COMPAT_H_INCLUDED_
 
 /** @file event2/tag_compat.h
 
@@ -46,4 +46,4 @@
 #define encode_int64(evbuf, number) evtag_encode_int64((evbuf), (number))
 /**@}*/
 
-#endif /* _EVENT2_TAG_H_ */
+#endif /* EVENT2_TAG_H_INCLUDED_ */
diff --git a/include/event2/thread.h b/include/event2/thread.h
index 0b638f0..b519986 100644
--- a/include/event2/thread.h
+++ b/include/event2/thread.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_THREAD_H_
-#define _EVENT2_THREAD_H_
+#ifndef EVENT2_THREAD_H_INCLUDED_
+#define EVENT2_THREAD_H_INCLUDED_
 
 /** @file event2/thread.h
 
@@ -46,6 +46,8 @@
 
  */
 
+#include <event2/visibility.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -69,7 +71,7 @@
 #define EVTHREAD_TRY    0x10
 /**@}*/
 
-#if !defined(_EVENT_DISABLE_THREAD_SUPPORT) || defined(_EVENT_IN_DOXYGEN)
+#if !defined(EVENT__DISABLE_THREAD_SUPPORT) || defined(EVENT_IN_DOXYGEN_)
 
 #define EVTHREAD_LOCK_API_VERSION 1
 
@@ -124,6 +126,7 @@
  * probably shouldn't call this function; instead, use
  * evthread_use_windows_threads() or evthread_use_posix_threads() if you can.
  */
+EVENT2_EXPORT_SYMBOL
 int evthread_set_lock_callbacks(const struct evthread_lock_callbacks *);
 
 #define EVTHREAD_CONDITION_API_VERSION 1
@@ -174,6 +177,7 @@
  * probably shouldn't call this function; instead, use
  * evthread_use_windows_threads() or evthread_use_pthreads() if you can.
  */
+EVENT2_EXPORT_SYMBOL
 int evthread_set_condition_callbacks(
 	const struct evthread_condition_callbacks *);
 
@@ -184,14 +188,16 @@
    @param id_fn the identify function Libevent should invoke to
      determine the identity of a thread.
 */
+EVENT2_EXPORT_SYMBOL
 void evthread_set_id_callback(
     unsigned long (*id_fn)(void));
 
-#if (defined(WIN32) && !defined(_EVENT_DISABLE_THREAD_SUPPORT)) || defined(_EVENT_IN_DOXYGEN)
+#if (defined(_WIN32) && !defined(EVENT__DISABLE_THREAD_SUPPORT)) || defined(EVENT_IN_DOXYGEN_)
 /** Sets up Libevent for use with Windows builtin locking and thread ID
     functions.  Unavailable if Libevent is not built for Windows.
 
     @return 0 on success, -1 on failure. */
+EVENT2_EXPORT_SYMBOL
 int evthread_use_windows_threads(void);
 /**
    Defined if Libevent was built with support for evthread_use_windows_threads()
@@ -199,12 +205,13 @@
 #define EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED 1
 #endif
 
-#if defined(_EVENT_HAVE_PTHREADS) || defined(_EVENT_IN_DOXYGEN)
+#if defined(EVENT__HAVE_PTHREADS) || defined(EVENT_IN_DOXYGEN_)
 /** Sets up Libevent for use with Pthreads locking and thread ID functions.
     Unavailable if Libevent is not build for use with pthreads.  Requires
     libraries to link against Libevent_pthreads as well as Libevent.
 
     @return 0 on success, -1 on failure. */
+EVENT2_EXPORT_SYMBOL
 int evthread_use_pthreads(void);
 /** Defined if Libevent was built with support for evthread_use_pthreads() */
 #define EVTHREAD_USE_PTHREADS_IMPLEMENTED 1
@@ -217,20 +224,30 @@
  * If you're going to call this function, you must do so before any locks are
  * allocated.
  **/
+EVENT2_EXPORT_SYMBOL
+void evthread_enable_lock_debugging(void);
+
+/* Old (misspelled) version: This is deprecated; use
+ * evthread_enable_log_debugging instead. */
+EVENT2_EXPORT_SYMBOL
 void evthread_enable_lock_debuging(void);
 
-#endif /* _EVENT_DISABLE_THREAD_SUPPORT */
+#endif /* EVENT__DISABLE_THREAD_SUPPORT */
 
 struct event_base;
 /** Make sure it's safe to tell an event base to wake up from another thread
     or a signal handler.
 
+    You shouldn't need to call this by hand; configuring the base with thread
+    support should be necessary and sufficient.
+
     @return 0 on success, -1 on failure.
  */
+EVENT2_EXPORT_SYMBOL
 int evthread_make_base_notifiable(struct event_base *base);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVENT2_THREAD_H_ */
+#endif /* EVENT2_THREAD_H_INCLUDED_ */
diff --git a/include/event2/util.h b/include/event2/util.h
index dde9113..dd4bbb6 100644
--- a/include/event2/util.h
+++ b/include/event2/util.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT2_UTIL_H_
-#define _EVENT2_UTIL_H_
+#ifndef EVENT2_UTIL_H_INCLUDED_
+#define EVENT2_UTIL_H_INCLUDED_
 
 /** @file event2/util.h
 
@@ -32,46 +32,56 @@
   related socket manipulations.
 
  */
+#include <event2/visibility.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <event2/event-config.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
-#ifdef _EVENT_HAVE_STDINT_H
+#ifdef EVENT__HAVE_STDINT_H
 #include <stdint.h>
-#elif defined(_EVENT_HAVE_INTTYPES_H)
+#elif defined(EVENT__HAVE_INTTYPES_H)
 #include <inttypes.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_TYPES_H
+#ifdef EVENT__HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
-#ifdef _EVENT_HAVE_STDDEF_H
+#ifdef EVENT__HAVE_STDDEF_H
 #include <stddef.h>
 #endif
 #ifdef _MSC_VER
 #include <BaseTsd.h>
 #endif
 #include <stdarg.h>
-#ifdef _EVENT_HAVE_NETDB_H
+#ifdef EVENT__HAVE_NETDB_H
 #if !defined(_GNU_SOURCE)
 #define _GNU_SOURCE
 #endif
 #include <netdb.h>
 #endif
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
+#ifdef EVENT__HAVE_GETADDRINFO
+/* for EAI_* definitions. */
+#include <ws2tcpip.h>
+#endif
 #else
+#ifdef EVENT__HAVE_ERRNO_H
+#include <errno.h>
+#endif
 #include <sys/socket.h>
 #endif
 
+#include <time.h>
+
 /* Some openbsd autoconf versions get the name of this macro wrong. */
-#if defined(_EVENT_SIZEOF_VOID__) && !defined(_EVENT_SIZEOF_VOID_P)
-#define _EVENT_SIZEOF_VOID_P _EVENT_SIZEOF_VOID__
+#if defined(EVENT__SIZEOF_VOID__) && !defined(EVENT__SIZEOF_VOID_P)
+#define EVENT__SIZEOF_VOID_P EVENT__SIZEOF_VOID__
 #endif
 
 /**
@@ -103,67 +113,67 @@
  *
  * @{
  */
-#ifdef _EVENT_HAVE_UINT64_T
+#ifdef EVENT__HAVE_UINT64_T
 #define ev_uint64_t uint64_t
 #define ev_int64_t int64_t
-#elif defined(WIN32)
+#elif defined(_WIN32)
 #define ev_uint64_t unsigned __int64
 #define ev_int64_t signed __int64
-#elif _EVENT_SIZEOF_LONG_LONG == 8
+#elif EVENT__SIZEOF_LONG_LONG == 8
 #define ev_uint64_t unsigned long long
 #define ev_int64_t long long
-#elif _EVENT_SIZEOF_LONG == 8
+#elif EVENT__SIZEOF_LONG == 8
 #define ev_uint64_t unsigned long
 #define ev_int64_t long
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define ev_uint64_t ...
 #define ev_int64_t ...
 #else
 #error "No way to define ev_uint64_t"
 #endif
 
-#ifdef _EVENT_HAVE_UINT32_T
+#ifdef EVENT__HAVE_UINT32_T
 #define ev_uint32_t uint32_t
 #define ev_int32_t int32_t
-#elif defined(WIN32)
+#elif defined(_WIN32)
 #define ev_uint32_t unsigned int
 #define ev_int32_t signed int
-#elif _EVENT_SIZEOF_LONG == 4
+#elif EVENT__SIZEOF_LONG == 4
 #define ev_uint32_t unsigned long
 #define ev_int32_t signed long
-#elif _EVENT_SIZEOF_INT == 4
+#elif EVENT__SIZEOF_INT == 4
 #define ev_uint32_t unsigned int
 #define ev_int32_t signed int
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define ev_uint32_t ...
 #define ev_int32_t ...
 #else
 #error "No way to define ev_uint32_t"
 #endif
 
-#ifdef _EVENT_HAVE_UINT16_T
+#ifdef EVENT__HAVE_UINT16_T
 #define ev_uint16_t uint16_t
 #define ev_int16_t  int16_t
-#elif defined(WIN32)
+#elif defined(_WIN32)
 #define ev_uint16_t unsigned short
 #define ev_int16_t  signed short
-#elif _EVENT_SIZEOF_INT == 2
+#elif EVENT__SIZEOF_INT == 2
 #define ev_uint16_t unsigned int
 #define ev_int16_t  signed int
-#elif _EVENT_SIZEOF_SHORT == 2
+#elif EVENT__SIZEOF_SHORT == 2
 #define ev_uint16_t unsigned short
 #define ev_int16_t  signed short
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define ev_uint16_t ...
 #define ev_int16_t ...
 #else
 #error "No way to define ev_uint16_t"
 #endif
 
-#ifdef _EVENT_HAVE_UINT8_T
+#ifdef EVENT__HAVE_UINT8_T
 #define ev_uint8_t uint8_t
 #define ev_int8_t int8_t
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define ev_uint8_t ...
 #define ev_int8_t ...
 #else
@@ -171,30 +181,43 @@
 #define ev_int8_t signed char
 #endif
 
-#ifdef _EVENT_HAVE_UINTPTR_T
+#ifdef EVENT__HAVE_UINTPTR_T
 #define ev_uintptr_t uintptr_t
 #define ev_intptr_t intptr_t
-#elif _EVENT_SIZEOF_VOID_P <= 4
+#elif EVENT__SIZEOF_VOID_P <= 4
 #define ev_uintptr_t ev_uint32_t
 #define ev_intptr_t ev_int32_t
-#elif _EVENT_SIZEOF_VOID_P <= 8
+#elif EVENT__SIZEOF_VOID_P <= 8
 #define ev_uintptr_t ev_uint64_t
 #define ev_intptr_t ev_int64_t
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define ev_uintptr_t ...
 #define ev_intptr_t ...
 #else
 #error "No way to define ev_uintptr_t"
 #endif
 
-#ifdef _EVENT_ssize_t
-#define ev_ssize_t _EVENT_ssize_t
+#ifdef EVENT__ssize_t
+#define ev_ssize_t EVENT__ssize_t
 #else
 #define ev_ssize_t ssize_t
 #endif
 
-#ifdef WIN32
+/* Note that we define ev_off_t based on the compile-time size of off_t that
+ * we used to build Libevent, and not based on the current size of off_t.
+ * (For example, we don't define ev_off_t to off_t.).  We do this because
+ * some systems let you build your software with different off_t sizes
+ * at runtime, and so putting in any dependency on off_t would risk API
+ * mismatch.
+ */
+#ifdef _WIN32
 #define ev_off_t ev_int64_t
+#elif EVENT__SIZEOF_OFF_T == 8
+#define ev_off_t ev_int64_t
+#elif EVENT__SIZEOF_OFF_T == 4
+#define ev_off_t ev_int32_t
+#elif defined(EVENT_IN_DOXYGEN_)
+#define ev_off_t ...
 #else
 #define ev_off_t off_t
 #endif
@@ -215,6 +238,7 @@
 
    @{
 */
+#ifndef EVENT__HAVE_STDINT_H
 #define EV_UINT64_MAX ((((ev_uint64_t)0xffffffffUL) << 32) | 0xffffffffUL)
 #define EV_INT64_MAX  ((((ev_int64_t) 0x7fffffffL) << 32) | 0xffffffffL)
 #define EV_INT64_MIN  ((-EV_INT64_MAX) - 1)
@@ -227,20 +251,34 @@
 #define EV_UINT8_MAX  255
 #define EV_INT8_MAX   127
 #define EV_INT8_MIN   ((-EV_INT8_MAX) - 1)
+#else
+#define EV_UINT64_MAX UINT64_MAX
+#define EV_INT64_MAX  INT64_MAX
+#define EV_INT64_MIN  INT64_MIN
+#define EV_UINT32_MAX UINT32_MAX
+#define EV_INT32_MAX  INT32_MAX
+#define EV_INT32_MIN  INT32_MIN
+#define EV_UINT16_MAX UINT16_MAX
+#define EV_INT16_MAX  INT16_MAX
+#define EV_UINT8_MAX  UINT8_MAX
+#define EV_INT8_MAX   INT8_MAX
+#define EV_INT8_MIN   INT8_MIN
 /** @} */
+#endif
+
 
 /**
    @name Limits for SIZE_T and SSIZE_T
 
    @{
 */
-#if _EVENT_SIZEOF_SIZE_T == 8
+#if EVENT__SIZEOF_SIZE_T == 8
 #define EV_SIZE_MAX EV_UINT64_MAX
 #define EV_SSIZE_MAX EV_INT64_MAX
-#elif _EVENT_SIZEOF_SIZE_T == 4
+#elif EVENT__SIZEOF_SIZE_T == 4
 #define EV_SIZE_MAX EV_UINT32_MAX
 #define EV_SSIZE_MAX EV_INT32_MAX
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 #define EV_SIZE_MAX ...
 #define EV_SSIZE_MAX ...
 #else
@@ -250,16 +288,16 @@
 #define EV_SSIZE_MIN ((-EV_SSIZE_MAX) - 1)
 /**@}*/
 
-#ifdef WIN32
+#ifdef _WIN32
 #define ev_socklen_t int
-#elif defined(_EVENT_socklen_t)
-#define ev_socklen_t _EVENT_socklen_t
+#elif defined(EVENT__socklen_t)
+#define ev_socklen_t EVENT__socklen_t
 #else
 #define ev_socklen_t socklen_t
 #endif
 
-#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY
-#if !defined(_EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \
+#ifdef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY
+#if !defined(EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \
  && !defined(ss_family)
 #define ss_family __ss_family
 #endif
@@ -268,12 +306,77 @@
 /**
  * A type wide enough to hold the output of "socket()" or "accept()".  On
  * Windows, this is an intptr_t; elsewhere, it is an int. */
-#ifdef WIN32
+#ifdef _WIN32
 #define evutil_socket_t intptr_t
 #else
 #define evutil_socket_t int
 #endif
 
+/**
+ * Structure to hold information about a monotonic timer
+ *
+ * Use this with evutil_configure_monotonic_time() and
+ * evutil_gettime_monotonic().
+ *
+ * This is an opaque structure; you can allocate one using
+ * evutil_monotonic_timer_new().
+ *
+ * @see evutil_monotonic_timer_new(), evutil_monotonic_timer_free(),
+ * evutil_configure_monotonic_time(), evutil_gettime_monotonic()
+ */
+struct evutil_monotonic_timer
+#ifdef EVENT_IN_DOXYGEN_
+{/*Empty body so that doxygen will generate documentation here.*/}
+#endif
+;
+
+#define EV_MONOT_PRECISE  1
+#define EV_MONOT_FALLBACK 2
+
+/** Format a date string using RFC 1123 format (used in HTTP).
+ * If `tm` is NULL, current system's time will be used.
+ * The number of characters written will be returned.
+ * One should check if the return value is smaller than `datelen` to check if
+ * the result is truncated or not.
+ */
+EVENT2_EXPORT_SYMBOL int
+evutil_date_rfc1123(char *date, const size_t datelen, const struct tm *tm);
+
+/** Allocate a new struct evutil_monotonic_timer for use with the
+ * evutil_configure_monotonic_time() and evutil_gettime_monotonic()
+ * functions.  You must configure the timer with
+ * evutil_configure_monotonic_time() before using it.
+ */
+EVENT2_EXPORT_SYMBOL
+struct evutil_monotonic_timer * evutil_monotonic_timer_new(void);
+
+/** Free a struct evutil_monotonic_timer that was allocated using
+ * evutil_monotonic_timer_new().
+ */
+EVENT2_EXPORT_SYMBOL
+void evutil_monotonic_timer_free(struct evutil_monotonic_timer *timer);
+
+/** Set up a struct evutil_monotonic_timer; flags can include
+ * EV_MONOT_PRECISE and EV_MONOT_FALLBACK.
+ */
+EVENT2_EXPORT_SYMBOL
+int evutil_configure_monotonic_time(struct evutil_monotonic_timer *timer,
+                                    int flags);
+
+/** Query the current monotonic time from a struct evutil_monotonic_timer
+ * previously configured with evutil_configure_monotonic_time().  Monotonic
+ * time is guaranteed never to run in reverse, but is not necessarily epoch-
+ * based, or relative to any other definite point.  Use it to make reliable
+ * measurements of elapsed time between events even when the system time
+ * may be changed.
+ *
+ * It is not safe to use this funtion on the same timer from multiple
+ * threads.
+ */
+EVENT2_EXPORT_SYMBOL
+int evutil_gettime_monotonic(struct evutil_monotonic_timer *timer,
+                             struct timeval *tp);
+
 /** Create two new sockets that are connected to each other.
 
     On Unix, this simply calls socketpair().  On Windows, it uses the
@@ -285,12 +388,14 @@
 
     Parameters and return values are as for socketpair()
 */
+EVENT2_EXPORT_SYMBOL
 int evutil_socketpair(int d, int type, int protocol, evutil_socket_t sv[2]);
 /** Do platform-specific operations as needed to make a socket nonblocking.
 
     @param sock The socket to make nonblocking
     @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_make_socket_nonblocking(evutil_socket_t sock);
 
 /** Do platform-specific operations to make a listener socket reusable.
@@ -304,14 +409,29 @@
     @param sock The socket to make reusable
     @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_make_listen_socket_reuseable(evutil_socket_t sock);
 
+/** Do platform-specific operations to make a listener port reusable.
+
+    Specifically, we want to make sure that multiple programs which also
+    set the same socket option will be able to bind, listen at the same time.
+
+    This is a feature available only to Linux 3.9+
+
+    @param sock The socket to make reusable
+    @return 0 on success, -1 on failure
+ */
+EVENT2_EXPORT_SYMBOL
+int evutil_make_listen_socket_reuseable_port(evutil_socket_t sock);
+
 /** Do platform-specific operations as needed to close a socket upon a
     successful execution of one of the exec*() functions.
 
     @param sock The socket to be closed
     @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_make_socket_closeonexec(evutil_socket_t sock);
 
 /** Do the platform-specific call needed to close a socket returned from
@@ -320,21 +440,37 @@
     @param sock The socket to be closed
     @return 0 on success, -1 on failure
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_closesocket(evutil_socket_t sock);
 #define EVUTIL_CLOSESOCKET(s) evutil_closesocket(s)
 
+/** Do platform-specific operations, if possible, to make a tcp listener
+ *  socket defer accept()s until there is data to read.
+ *  
+ *  Not all platforms support this.  You don't want to do this for every
+ *  listener socket: only the ones that implement a protocol where the
+ *  client transmits before the server needs to respond.
+ *
+ *  @param sock The listening socket to to make deferred
+ *  @return 0 on success (whether the operation is supported or not),
+ *       -1 on failure
+*/ 
+EVENT2_EXPORT_SYMBOL
+int evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock);
 
-#ifdef WIN32
+#ifdef _WIN32
 /** Return the most recent socket error.  Not idempotent on all platforms. */
 #define EVUTIL_SOCKET_ERROR() WSAGetLastError()
 /** Replace the most recent socket error with errcode */
 #define EVUTIL_SET_SOCKET_ERROR(errcode)		\
 	do { WSASetLastError(errcode); } while (0)
 /** Return the most recent socket error to occur on sock. */
+EVENT2_EXPORT_SYMBOL
 int evutil_socket_geterror(evutil_socket_t sock);
 /** Convert a socket error to a string. */
+EVENT2_EXPORT_SYMBOL
 const char *evutil_socket_error_to_string(int errcode);
-#elif defined(_EVENT_IN_DOXYGEN)
+#elif defined(EVENT_IN_DOXYGEN_)
 /**
    @name Socket error functions
 
@@ -375,7 +511,7 @@
  *
  * @{
  */
-#ifdef _EVENT_HAVE_TIMERADD
+#ifdef EVENT__HAVE_TIMERADD
 #define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp))
 #define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp))
 #else
@@ -397,9 +533,9 @@
 			(vvp)->tv_usec += 1000000;			\
 		}							\
 	} while (0)
-#endif /* !_EVENT_HAVE_HAVE_TIMERADD */
+#endif /* !EVENT__HAVE_TIMERADD */
 
-#ifdef _EVENT_HAVE_TIMERCLEAR
+#ifdef EVENT__HAVE_TIMERCLEAR
 #define evutil_timerclear(tvp) timerclear(tvp)
 #else
 #define	evutil_timerclear(tvp)	(tvp)->tv_sec = (tvp)->tv_usec = 0
@@ -413,7 +549,7 @@
 	 ((tvp)->tv_usec cmp (uvp)->tv_usec) :				\
 	 ((tvp)->tv_sec cmp (uvp)->tv_sec))
 
-#ifdef _EVENT_HAVE_TIMERISSET
+#ifdef EVENT__HAVE_TIMERISSET
 #define evutil_timerisset(tvp) timerisset(tvp)
 #else
 #define	evutil_timerisset(tvp)	((tvp)->tv_sec || (tvp)->tv_usec)
@@ -428,19 +564,22 @@
 
 /* big-int related functions */
 /** Parse a 64-bit value from a string.  Arguments are as for strtol. */
+EVENT2_EXPORT_SYMBOL
 ev_int64_t evutil_strtoll(const char *s, char **endptr, int base);
 
 /** Replacement for gettimeofday on platforms that lack it. */
-#ifdef _EVENT_HAVE_GETTIMEOFDAY
+#ifdef EVENT__HAVE_GETTIMEOFDAY
 #define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz))
 #else
 struct timezone;
+EVENT2_EXPORT_SYMBOL
 int evutil_gettimeofday(struct timeval *tv, struct timezone *tz);
 #endif
 
 /** Replacement for snprintf to get consistent behavior on platforms for
     which the return value of snprintf does not conform to C99.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_snprintf(char *buf, size_t buflen, const char *format, ...)
 #ifdef __GNUC__
 	__attribute__((format(printf, 3, 4)))
@@ -449,6 +588,7 @@
 /** Replacement for vsnprintf to get consistent behavior on platforms for
     which the return value of snprintf does not conform to C99.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap)
 #ifdef __GNUC__
 	__attribute__((format(printf, 3, 0)))
@@ -456,8 +596,10 @@
 ;
 
 /** Replacement for inet_ntop for platforms which lack it. */
+EVENT2_EXPORT_SYMBOL
 const char *evutil_inet_ntop(int af, const void *src, char *dst, size_t len);
 /** Replacement for inet_pton for platforms which lack it. */
+EVENT2_EXPORT_SYMBOL
 int evutil_inet_pton(int af, const char *src, void *dst);
 struct sockaddr;
 
@@ -481,6 +623,7 @@
        or if out is not large enough to hold the result.  Otherwise returns
        0 on success.
 */
+EVENT2_EXPORT_SYMBOL
 int evutil_parse_sockaddr_port(const char *str, struct sockaddr *out, int *outlen);
 
 /** Compare two sockaddrs; return 0 if they are equal, or less than 0 if sa1
@@ -488,21 +631,24 @@
  * true, consider the port as well as the address.  Only implemented for
  * AF_INET and AF_INET6 addresses. The ordering is not guaranteed to remain
  * the same between Libevent versions. */
+EVENT2_EXPORT_SYMBOL
 int evutil_sockaddr_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2,
     int include_port);
 
 /** As strcasecmp, but always compares the characters in locale-independent
     ASCII.  That's useful if you're handling data in ASCII-based protocols.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_ascii_strcasecmp(const char *str1, const char *str2);
 /** As strncasecmp, but always compares the characters in locale-independent
     ASCII.  That's useful if you're handling data in ASCII-based protocols.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_ascii_strncasecmp(const char *str1, const char *str2, size_t n);
 
 /* Here we define evutil_addrinfo to the native addrinfo type, or redefine it
  * if this system has no getaddrinfo(). */
-#ifdef _EVENT_HAVE_STRUCT_ADDRINFO
+#ifdef EVENT__HAVE_STRUCT_ADDRINFO
 #define evutil_addrinfo addrinfo
 #else
 /** A definition of struct addrinfo for systems that lack it.
@@ -528,32 +674,32 @@
 
     @{
 */
-#ifdef EAI_ADDRFAMILY
+#if defined(EAI_ADDRFAMILY) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_ADDRFAMILY EAI_ADDRFAMILY
 #else
 #define EVUTIL_EAI_ADDRFAMILY -901
 #endif
-#ifdef EAI_AGAIN
+#if defined(EAI_AGAIN) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_AGAIN EAI_AGAIN
 #else
 #define EVUTIL_EAI_AGAIN -902
 #endif
-#ifdef EAI_BADFLAGS
+#if defined(EAI_BADFLAGS) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_BADFLAGS EAI_BADFLAGS
 #else
 #define EVUTIL_EAI_BADFLAGS -903
 #endif
-#ifdef EAI_FAIL
+#if defined(EAI_FAIL) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_FAIL EAI_FAIL
 #else
 #define EVUTIL_EAI_FAIL -904
 #endif
-#ifdef EAI_FAMILY
+#if defined(EAI_FAMILY) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_FAMILY EAI_FAMILY
 #else
 #define EVUTIL_EAI_FAMILY -905
 #endif
-#ifdef EAI_MEMORY
+#if defined(EAI_MEMORY) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_MEMORY EAI_MEMORY
 #else
 #define EVUTIL_EAI_MEMORY -906
@@ -561,27 +707,27 @@
 /* This test is a bit complicated, since some MS SDKs decide to
  * remove NODATA or redefine it to be the same as NONAME, in a
  * fun interpretation of RFC 2553 and RFC 3493. */
-#if defined(EAI_NODATA) && (!defined(EAI_NONAME) || EAI_NODATA != EAI_NONAME)
+#if defined(EAI_NODATA) && defined(EVENT__HAVE_GETADDRINFO) && (!defined(EAI_NONAME) || EAI_NODATA != EAI_NONAME)
 #define EVUTIL_EAI_NODATA EAI_NODATA
 #else
 #define EVUTIL_EAI_NODATA -907
 #endif
-#ifdef EAI_NONAME
+#if defined(EAI_NONAME) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_NONAME EAI_NONAME
 #else
 #define EVUTIL_EAI_NONAME -908
 #endif
-#ifdef EAI_SERVICE
+#if defined(EAI_SERVICE) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_SERVICE EAI_SERVICE
 #else
 #define EVUTIL_EAI_SERVICE -909
 #endif
-#ifdef EAI_SOCKTYPE
+#if defined(EAI_SOCKTYPE) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_SOCKTYPE EAI_SOCKTYPE
 #else
 #define EVUTIL_EAI_SOCKTYPE -910
 #endif
-#ifdef EAI_SYSTEM
+#if defined(EAI_SYSTEM) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_EAI_SYSTEM EAI_SYSTEM
 #else
 #define EVUTIL_EAI_SYSTEM -911
@@ -589,37 +735,37 @@
 
 #define EVUTIL_EAI_CANCEL -90001
 
-#ifdef AI_PASSIVE
+#if defined(AI_PASSIVE) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_PASSIVE AI_PASSIVE
 #else
 #define EVUTIL_AI_PASSIVE 0x1000
 #endif
-#ifdef AI_CANONNAME
+#if defined(AI_CANONNAME) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_CANONNAME AI_CANONNAME
 #else
 #define EVUTIL_AI_CANONNAME 0x2000
 #endif
-#ifdef AI_NUMERICHOST
+#if defined(AI_NUMERICHOST) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_NUMERICHOST AI_NUMERICHOST
 #else
 #define EVUTIL_AI_NUMERICHOST 0x4000
 #endif
-#ifdef AI_NUMERICSERV
+#if defined(AI_NUMERICSERV) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_NUMERICSERV AI_NUMERICSERV
 #else
 #define EVUTIL_AI_NUMERICSERV 0x8000
 #endif
-#ifdef AI_V4MAPPED
+#if defined(AI_V4MAPPED) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_V4MAPPED AI_V4MAPPED
 #else
 #define EVUTIL_AI_V4MAPPED 0x10000
 #endif
-#ifdef AI_ALL
+#if defined(AI_ALL) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_ALL AI_ALL
 #else
 #define EVUTIL_AI_ALL 0x20000
 #endif
-#ifdef AI_ADDRCONFIG
+#if defined(AI_ADDRCONFIG) && defined(EVENT__HAVE_GETADDRINFO)
 #define EVUTIL_AI_ADDRCONFIG AI_ADDRCONFIG
 #else
 #define EVUTIL_AI_ADDRCONFIG 0x40000
@@ -638,12 +784,15 @@
  *
  * For a nonblocking variant, see evdns_getaddrinfo.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_getaddrinfo(const char *nodename, const char *servname,
     const struct evutil_addrinfo *hints_in, struct evutil_addrinfo **res);
 
 /** Release storage allocated by evutil_getaddrinfo or evdns_getaddrinfo. */
+EVENT2_EXPORT_SYMBOL
 void evutil_freeaddrinfo(struct evutil_addrinfo *ai);
 
+EVENT2_EXPORT_SYMBOL
 const char *evutil_gai_strerror(int err);
 
 /** Generate n bytes of secure pseudorandom data, and store them in buf.
@@ -655,6 +804,7 @@
  * provides only rudimentary prediction- and backtracking-resistance.  Don't
  * use this for serious cryptographic applications.
  */
+EVENT2_EXPORT_SYMBOL
 void evutil_secure_rng_get_bytes(void *buf, size_t n);
 
 /**
@@ -673,6 +823,7 @@
  * whatever), and you want to make sure that seeding happens before your
  * program loses the ability to do it.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_secure_rng_init(void);
 
 /**
@@ -688,6 +839,7 @@
  *
  * This API is unstable, and might change in a future libevent version.
  */
+EVENT2_EXPORT_SYMBOL
 int evutil_secure_rng_set_urandom_device_file(char *fname);
 
 /** Seed the random number generator with extra random bytes.
@@ -704,10 +856,11 @@
     @param dat a buffer full of a strong source of random numbers
     @param datlen the number of bytes to read from datlen
  */
+EVENT2_EXPORT_SYMBOL
 void evutil_secure_rng_add_bytes(const char *dat, size_t datlen);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /* _EVUTIL_H_ */
+#endif /* EVENT1_EVUTIL_H_INCLUDED_ */
diff --git a/evutil.h b/include/event2/visibility.h
similarity index 62%
copy from evutil.h
copy to include/event2/visibility.h
index 02bca89..fb16dbe 100644
--- a/evutil.h
+++ b/include/event2/visibility.h
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
 /*
  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
  *
@@ -23,17 +24,27 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVUTIL_H_
-#define _EVUTIL_H_
+#ifndef EVENT2_VISIBILITY_H_INCLUDED_
+#define EVENT2_VISIBILITY_H_INCLUDED_
 
-/** @file evutil.h
+#include <event2/event-config.h>
 
-  Utility and compatibility functions for Libevent.
+#if defined(event_EXPORTS) || defined(event_extra_EXPORTS) || defined(event_core_EXPORTS)
+# if defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+#  define EVENT2_EXPORT_SYMBOL __global
+# elif defined __GNUC__
+#  define EVENT2_EXPORT_SYMBOL __attribute__ ((visibility("default")))
+# elif defined(_MSC_VER)
+#  define EVENT2_EXPORT_SYMBOL extern __declspec(dllexport)
+# else
+#  define EVENT2_EXPORT_SYMBOL /* unknown compiler */
+# endif
+#else
+# if defined(EVENT__NEED_DLLIMPORT) && defined(_MSC_VER) && !defined(EVENT_BUILDING_REGRESS_TEST)
+#  define EVENT2_EXPORT_SYMBOL extern __declspec(dllimport)
+# else
+#  define EVENT2_EXPORT_SYMBOL
+# endif
+#endif
 
-  The <evutil.h> header is deprecated in Libevent 2.0 and later; please
-  use <event2/util.h> instead.
-*/
-
-#include <event2/util.h>
-
-#endif /* _EVUTIL_H_ */
+#endif /* EVENT2_VISIBILITY_H_INCLUDED_ */
diff --git a/evhttp.h b/include/evhttp.h
similarity index 94%
rename from evhttp.h
rename to include/evhttp.h
index 5ce15e6..549bc9b 100644
--- a/evhttp.h
+++ b/include/evhttp.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVHTTP_H_
-#define _EVHTTP_H_
+#ifndef EVENT1_EVHTTP_H_INCLUDED_
+#define EVENT1_EVHTTP_H_INCLUDED_
 
 /** @file evhttp.h
 
@@ -42,4 +42,4 @@
 #include <event2/http_struct.h>
 #include <event2/http_compat.h>
 
-#endif /* _EVHTTP_H_ */
+#endif /* EVENT1_EVHTTP_H_INCLUDED_ */
diff --git a/evrpc.h b/include/evrpc.h
similarity index 94%
rename from evrpc.h
rename to include/evrpc.h
index 5b88262..7e986f7 100644
--- a/evrpc.h
+++ b/include/evrpc.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVRPC_H_
-#define _EVRPC_H_
+#ifndef EVENT1_EVRPC_H_INCLUDED_
+#define EVENT1_EVRPC_H_INCLUDED_
 
 /** @file evrpc.h
 
@@ -42,4 +42,4 @@
 #include <event2/rpc_struct.h>
 #include <event2/rpc_compat.h>
 
-#endif /* _EVRPC_H_ */
+#endif /* EVENT1_EVRPC_H_INCLUDED_ */
diff --git a/evutil.h b/include/evutil.h
similarity index 93%
rename from evutil.h
rename to include/evutil.h
index 02bca89..12c137d 100644
--- a/evutil.h
+++ b/include/evutil.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVUTIL_H_
-#define _EVUTIL_H_
+#ifndef EVENT1_EVUTIL_H_INCLUDED_
+#define EVENT1_EVUTIL_H_INCLUDED_
 
 /** @file evutil.h
 
@@ -36,4 +36,4 @@
 
 #include <event2/util.h>
 
-#endif /* _EVUTIL_H_ */
+#endif /* EVENT1_EVUTIL_H_INCLUDED_ */
diff --git a/include/include.am b/include/include.am
new file mode 100644
index 0000000..9aad2db
--- /dev/null
+++ b/include/include.am
@@ -0,0 +1,46 @@
+# include/Makefile.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+include_event2dir = $(includedir)/event2
+
+EVENT2_EXPORT = \
+	include/event2/buffer.h \
+	include/event2/buffer_compat.h \
+	include/event2/bufferevent.h \
+	include/event2/bufferevent_compat.h \
+	include/event2/bufferevent_ssl.h \
+	include/event2/bufferevent_struct.h \
+	include/event2/dns.h \
+	include/event2/dns_compat.h \
+	include/event2/dns_struct.h \
+	include/event2/event.h \
+	include/event2/event_compat.h \
+	include/event2/event_struct.h \
+	include/event2/http.h \
+	include/event2/http_compat.h \
+	include/event2/http_struct.h \
+	include/event2/keyvalq_struct.h \
+	include/event2/listener.h \
+	include/event2/rpc.h \
+	include/event2/rpc_compat.h \
+	include/event2/rpc_struct.h \
+	include/event2/tag.h \
+	include/event2/tag_compat.h \
+	include/event2/thread.h \
+	include/event2/util.h \
+	include/event2/visibility.h
+
+## Without the nobase_ prefixing, Automake would strip "include/event2/" from
+## the source header filename to derive the installed header filename.
+## With nobase_ the installed path is $(includedir)/include/event2/ev*.h.
+
+if INSTALL_LIBEVENT
+include_event2_HEADERS =	$(EVENT2_EXPORT)
+nodist_include_event2_HEADERS = include/event2/event-config.h
+else
+noinst_HEADERS +=		$(EVENT2_EXPORT)
+nodist_noinst_HEADERS =		include/event2/event-config.h
+endif
diff --git a/install-sh b/install-sh
index 377bb86..0b0fdcb 100755
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2011-11-20.07; # UTC
+scriptversion=2013-12-25.23; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -41,19 +41,15 @@
 # This script is compatible with the BSD install script, but was written
 # from scratch.
 
+tab='	'
 nl='
 '
-IFS=" ""	$nl"
+IFS=" $tab$nl"
 
-# set DOITPROG to echo to test this script
+# Set DOITPROG to "echo" to test this script.
 
-# Don't use :- since 4.3BSD and earlier shells don't like it.
 doit=${DOITPROG-}
-if test -z "$doit"; then
-  doit_exec=exec
-else
-  doit_exec=$doit
-fi
+doit_exec=${doit:-exec}
 
 # Put in absolute file names if you don't have them in your path;
 # or use environment vars.
@@ -68,17 +64,6 @@
 rmprog=${RMPROG-rm}
 stripprog=${STRIPPROG-strip}
 
-posix_glob='?'
-initialize_posix_glob='
-  test "$posix_glob" != "?" || {
-    if (set -f) 2>/dev/null; then
-      posix_glob=
-    else
-      posix_glob=:
-    fi
-  }
-'
-
 posix_mkdir=
 
 # Desired mode of installed file.
@@ -97,7 +82,7 @@
 dst_arg=
 
 copy_on_change=false
-no_target_directory=
+is_target_a_directory=possibly
 
 usage="\
 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
@@ -137,46 +122,57 @@
     -d) dir_arg=true;;
 
     -g) chgrpcmd="$chgrpprog $2"
-	shift;;
+        shift;;
 
     --help) echo "$usage"; exit $?;;
 
     -m) mode=$2
-	case $mode in
-	  *' '* | *'	'* | *'
-'*	  | *'*'* | *'?'* | *'['*)
-	    echo "$0: invalid mode: $mode" >&2
-	    exit 1;;
-	esac
-	shift;;
+        case $mode in
+          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
+            echo "$0: invalid mode: $mode" >&2
+            exit 1;;
+        esac
+        shift;;
 
     -o) chowncmd="$chownprog $2"
-	shift;;
+        shift;;
 
     -s) stripcmd=$stripprog;;
 
-    -t) dst_arg=$2
-	# Protect names problematic for 'test' and other utilities.
-	case $dst_arg in
-	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
-	esac
-	shift;;
+    -t)
+        is_target_a_directory=always
+        dst_arg=$2
+        # Protect names problematic for 'test' and other utilities.
+        case $dst_arg in
+          -* | [=\(\)!]) dst_arg=./$dst_arg;;
+        esac
+        shift;;
 
-    -T) no_target_directory=true;;
+    -T) is_target_a_directory=never;;
 
     --version) echo "$0 $scriptversion"; exit $?;;
 
-    --)	shift
-	break;;
+    --) shift
+        break;;
 
-    -*)	echo "$0: invalid option: $1" >&2
-	exit 1;;
+    -*) echo "$0: invalid option: $1" >&2
+        exit 1;;
 
     *)  break;;
   esac
   shift
 done
 
+# We allow the use of options -d and -T together, by making -d
+# take the precedence; this is for compatibility with GNU install.
+
+if test -n "$dir_arg"; then
+  if test -n "$dst_arg"; then
+    echo "$0: target directory not allowed when installing a directory." >&2
+    exit 1
+  fi
+fi
+
 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
   # When -d is used, all remaining arguments are directories to create.
   # When -t is used, the destination is already specified.
@@ -208,6 +204,15 @@
 fi
 
 if test -z "$dir_arg"; then
+  if test $# -gt 1 || test "$is_target_a_directory" = always; then
+    if test ! -d "$dst_arg"; then
+      echo "$0: $dst_arg: Is not a directory." >&2
+      exit 1
+    fi
+  fi
+fi
+
+if test -z "$dir_arg"; then
   do_exit='(exit $ret); exit $ret'
   trap "ret=129; $do_exit" 1
   trap "ret=130; $do_exit" 2
@@ -223,16 +228,16 @@
 
     *[0-7])
       if test -z "$stripcmd"; then
-	u_plus_rw=
+        u_plus_rw=
       else
-	u_plus_rw='% 200'
+        u_plus_rw='% 200'
       fi
       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
     *)
       if test -z "$stripcmd"; then
-	u_plus_rw=
+        u_plus_rw=
       else
-	u_plus_rw=,u+rw
+        u_plus_rw=,u+rw
       fi
       cp_umask=$mode$u_plus_rw;;
   esac
@@ -269,41 +274,15 @@
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
     if test -d "$dst"; then
-      if test -n "$no_target_directory"; then
-	echo "$0: $dst_arg: Is a directory" >&2
-	exit 1
+      if test "$is_target_a_directory" = never; then
+        echo "$0: $dst_arg: Is a directory" >&2
+        exit 1
       fi
       dstdir=$dst
       dst=$dstdir/`basename "$src"`
       dstdir_status=0
     else
-      # Prefer dirname, but fall back on a substitute if dirname fails.
-      dstdir=`
-	(dirname "$dst") 2>/dev/null ||
-	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	     X"$dst" : 'X\(//\)[^/]' \| \
-	     X"$dst" : 'X\(//\)$' \| \
-	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
-	echo X"$dst" |
-	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)[^/].*/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\/\)$/{
-		   s//\1/
-		   q
-		 }
-		 /^X\(\/\).*/{
-		   s//\1/
-		   q
-		 }
-		 s/.*/./; q'
-      `
-
+      dstdir=`dirname "$dst"`
       test -d "$dstdir"
       dstdir_status=$?
     fi
@@ -314,74 +293,74 @@
   if test $dstdir_status != 0; then
     case $posix_mkdir in
       '')
-	# Create intermediate dirs using mode 755 as modified by the umask.
-	# This is like FreeBSD 'install' as of 1997-10-28.
-	umask=`umask`
-	case $stripcmd.$umask in
-	  # Optimize common cases.
-	  *[2367][2367]) mkdir_umask=$umask;;
-	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+        # Create intermediate dirs using mode 755 as modified by the umask.
+        # This is like FreeBSD 'install' as of 1997-10-28.
+        umask=`umask`
+        case $stripcmd.$umask in
+          # Optimize common cases.
+          *[2367][2367]) mkdir_umask=$umask;;
+          .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
 
-	  *[0-7])
-	    mkdir_umask=`expr $umask + 22 \
-	      - $umask % 100 % 40 + $umask % 20 \
-	      - $umask % 10 % 4 + $umask % 2
-	    `;;
-	  *) mkdir_umask=$umask,go-w;;
-	esac
+          *[0-7])
+            mkdir_umask=`expr $umask + 22 \
+              - $umask % 100 % 40 + $umask % 20 \
+              - $umask % 10 % 4 + $umask % 2
+            `;;
+          *) mkdir_umask=$umask,go-w;;
+        esac
 
-	# With -d, create the new directory with the user-specified mode.
-	# Otherwise, rely on $mkdir_umask.
-	if test -n "$dir_arg"; then
-	  mkdir_mode=-m$mode
-	else
-	  mkdir_mode=
-	fi
+        # With -d, create the new directory with the user-specified mode.
+        # Otherwise, rely on $mkdir_umask.
+        if test -n "$dir_arg"; then
+          mkdir_mode=-m$mode
+        else
+          mkdir_mode=
+        fi
 
-	posix_mkdir=false
-	case $umask in
-	  *[123567][0-7][0-7])
-	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
-	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
-	    ;;
-	  *)
-	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
-	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+        posix_mkdir=false
+        case $umask in
+          *[123567][0-7][0-7])
+            # POSIX mkdir -p sets u+wx bits regardless of umask, which
+            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+            ;;
+          *)
+            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+            trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
 
-	    if (umask $mkdir_umask &&
-		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
-	    then
-	      if test -z "$dir_arg" || {
-		   # Check for POSIX incompatibilities with -m.
-		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-		   # other-writable bit of parent directory when it shouldn't.
-		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
-		   case $ls_ld_tmpdir in
-		     d????-?r-*) different_mode=700;;
-		     d????-?--*) different_mode=755;;
-		     *) false;;
-		   esac &&
-		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
-		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
-		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
-		   }
-		 }
-	      then posix_mkdir=:
-	      fi
-	      rmdir "$tmpdir/d" "$tmpdir"
-	    else
-	      # Remove any dirs left behind by ancient mkdir implementations.
-	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
-	    fi
-	    trap '' 0;;
-	esac;;
+            if (umask $mkdir_umask &&
+                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+            then
+              if test -z "$dir_arg" || {
+                   # Check for POSIX incompatibilities with -m.
+                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+                   # other-writable bit of parent directory when it shouldn't.
+                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+                   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+                   case $ls_ld_tmpdir in
+                     d????-?r-*) different_mode=700;;
+                     d????-?--*) different_mode=755;;
+                     *) false;;
+                   esac &&
+                   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+                     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+                   }
+                 }
+              then posix_mkdir=:
+              fi
+              rmdir "$tmpdir/d" "$tmpdir"
+            else
+              # Remove any dirs left behind by ancient mkdir implementations.
+              rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+            fi
+            trap '' 0;;
+        esac;;
     esac
 
     if
       $posix_mkdir && (
-	umask $mkdir_umask &&
-	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+        umask $mkdir_umask &&
+        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
       )
     then :
     else
@@ -391,53 +370,51 @@
       # directory the slow way, step by step, checking for races as we go.
 
       case $dstdir in
-	/*) prefix='/';;
-	[-=\(\)!]*) prefix='./';;
-	*)  prefix='';;
+        /*) prefix='/';;
+        [-=\(\)!]*) prefix='./';;
+        *)  prefix='';;
       esac
 
-      eval "$initialize_posix_glob"
-
       oIFS=$IFS
       IFS=/
-      $posix_glob set -f
+      set -f
       set fnord $dstdir
       shift
-      $posix_glob set +f
+      set +f
       IFS=$oIFS
 
       prefixes=
 
       for d
       do
-	test X"$d" = X && continue
+        test X"$d" = X && continue
 
-	prefix=$prefix$d
-	if test -d "$prefix"; then
-	  prefixes=
-	else
-	  if $posix_mkdir; then
-	    (umask=$mkdir_umask &&
-	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
-	    # Don't fail if two instances are running concurrently.
-	    test -d "$prefix" || exit 1
-	  else
-	    case $prefix in
-	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
-	      *) qprefix=$prefix;;
-	    esac
-	    prefixes="$prefixes '$qprefix'"
-	  fi
-	fi
-	prefix=$prefix/
+        prefix=$prefix$d
+        if test -d "$prefix"; then
+          prefixes=
+        else
+          if $posix_mkdir; then
+            (umask=$mkdir_umask &&
+             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+            # Don't fail if two instances are running concurrently.
+            test -d "$prefix" || exit 1
+          else
+            case $prefix in
+              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+              *) qprefix=$prefix;;
+            esac
+            prefixes="$prefixes '$qprefix'"
+          fi
+        fi
+        prefix=$prefix/
       done
 
       if test -n "$prefixes"; then
-	# Don't fail if two instances are running concurrently.
-	(umask $mkdir_umask &&
-	 eval "\$doit_exec \$mkdirprog $prefixes") ||
-	  test -d "$dstdir" || exit 1
-	obsolete_mkdir_used=true
+        # Don't fail if two instances are running concurrently.
+        (umask $mkdir_umask &&
+         eval "\$doit_exec \$mkdirprog $prefixes") ||
+          test -d "$dstdir" || exit 1
+        obsolete_mkdir_used=true
       fi
     fi
   fi
@@ -472,15 +449,12 @@
 
     # If -C, don't bother to copy if it wouldn't change the file.
     if $copy_on_change &&
-       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
-       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
-
-       eval "$initialize_posix_glob" &&
-       $posix_glob set -f &&
+       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
+       set -f &&
        set X $old && old=:$2:$4:$5:$6 &&
        set X $new && new=:$2:$4:$5:$6 &&
-       $posix_glob set +f &&
-
+       set +f &&
        test "$old" = "$new" &&
        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
     then
@@ -493,24 +467,24 @@
       # to itself, or perhaps because mv is so ancient that it does not
       # support -f.
       {
-	# Now remove or move aside any old file at destination location.
-	# We try this two ways since rm can't unlink itself on some
-	# systems and the destination file might be busy for other
-	# reasons.  In this case, the final cleanup might fail but the new
-	# file should still install successfully.
-	{
-	  test ! -f "$dst" ||
-	  $doit $rmcmd -f "$dst" 2>/dev/null ||
-	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
-	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
-	  } ||
-	  { echo "$0: cannot unlink or rename $dst" >&2
-	    (exit 1); exit 1
-	  }
-	} &&
+        # Now remove or move aside any old file at destination location.
+        # We try this two ways since rm can't unlink itself on some
+        # systems and the destination file might be busy for other
+        # reasons.  In this case, the final cleanup might fail but the new
+        # file should still install successfully.
+        {
+          test ! -f "$dst" ||
+          $doit $rmcmd -f "$dst" 2>/dev/null ||
+          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+            { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+          } ||
+          { echo "$0: cannot unlink or rename $dst" >&2
+            (exit 1); exit 1
+          }
+        } &&
 
-	# Now rename the file to the real destination.
-	$doit $mvcmd "$dsttmp" "$dst"
+        # Now rename the file to the real destination.
+        $doit $mvcmd "$dsttmp" "$dst"
       }
     fi || exit 1
 
diff --git a/iocp-internal.h b/iocp-internal.h
index ae79cbc..93dbe2b 100644
--- a/iocp-internal.h
+++ b/iocp-internal.h
@@ -24,8 +24,8 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _EVENT_IOCP_INTERNAL_H
-#define _EVENT_IOCP_INTERNAL_H
+#ifndef IOCP_INTERNAL_H_INCLUDED_
+#define IOCP_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
@@ -39,7 +39,7 @@
 /* This whole file is actually win32 only. We wrap the structures in a win32
  * ifdef so that we can test-compile code that uses these interfaces on
  * non-win32 platforms. */
-#ifdef WIN32
+#ifdef _WIN32
 
 /**
    Internal use only.  Wraps an OVERLAPPED that we're using for libevent
@@ -92,7 +92,7 @@
 	HANDLE *shutdownSemaphore;
 };
 
-const struct win32_extension_fns *event_get_win32_extension_fns(void);
+const struct win32_extension_fns *event_get_win32_extension_fns_(void);
 #else
 /* Dummy definition so we can test-compile more things on unix. */
 struct event_overlapped {
@@ -106,61 +106,61 @@
     @param cb The callback that should be invoked once the IO operation has
 	finished.
  */
-void event_overlapped_init(struct event_overlapped *, iocp_callback cb);
+void event_overlapped_init_(struct event_overlapped *, iocp_callback cb);
 
 /** Allocate and return a new evbuffer that supports overlapped IO on a given
     socket.  The socket must be associated with an IO completion port using
-    event_iocp_port_associate.
+    event_iocp_port_associate_.
 */
-struct evbuffer *evbuffer_overlapped_new(evutil_socket_t fd);
+struct evbuffer *evbuffer_overlapped_new_(evutil_socket_t fd);
 
 /** XXXX Document (nickm) */
-evutil_socket_t _evbuffer_overlapped_get_fd(struct evbuffer *buf);
+evutil_socket_t evbuffer_overlapped_get_fd_(struct evbuffer *buf);
 
-void _evbuffer_overlapped_set_fd(struct evbuffer *buf, evutil_socket_t fd);
+void evbuffer_overlapped_set_fd_(struct evbuffer *buf, evutil_socket_t fd);
 
 /** Start reading data onto the end of an overlapped evbuffer.
 
     An evbuffer can only have one read pending at a time.  While the read
     is in progress, no other data may be added to the end of the buffer.
-    The buffer must be created with event_overlapped_init().
-    evbuffer_commit_read() must be called in the completion callback.
+    The buffer must be created with event_overlapped_init_().
+    evbuffer_commit_read_() must be called in the completion callback.
 
     @param buf The buffer to read onto
     @param n The number of bytes to try to read.
     @param ol Overlapped object with associated completion callback.
     @return 0 on success, -1 on error.
  */
-int evbuffer_launch_read(struct evbuffer *buf, size_t n, struct event_overlapped *ol);
+int evbuffer_launch_read_(struct evbuffer *buf, size_t n, struct event_overlapped *ol);
 
 /** Start writing data from the start of an evbuffer.
 
     An evbuffer can only have one write pending at a time.  While the write is
     in progress, no other data may be removed from the front of the buffer.
-    The buffer must be created with event_overlapped_init().
-    evbuffer_commit_write() must be called in the completion callback.
+    The buffer must be created with event_overlapped_init_().
+    evbuffer_commit_write_() must be called in the completion callback.
 
     @param buf The buffer to read onto
     @param n The number of bytes to try to read.
     @param ol Overlapped object with associated completion callback.
     @return 0 on success, -1 on error.
  */
-int evbuffer_launch_write(struct evbuffer *buf, ev_ssize_t n, struct event_overlapped *ol);
+int evbuffer_launch_write_(struct evbuffer *buf, ev_ssize_t n, struct event_overlapped *ol);
 
 /** XXX document */
-void evbuffer_commit_read(struct evbuffer *, ev_ssize_t);
-void evbuffer_commit_write(struct evbuffer *, ev_ssize_t);
+void evbuffer_commit_read_(struct evbuffer *, ev_ssize_t);
+void evbuffer_commit_write_(struct evbuffer *, ev_ssize_t);
 
 /** Create an IOCP, and launch its worker threads.  Internal use only.
 
     This interface is unstable, and will change.
  */
-struct event_iocp_port *event_iocp_port_launch(int n_cpus);
+struct event_iocp_port *event_iocp_port_launch_(int n_cpus);
 
 /** Associate a file descriptor with an iocp, such that overlapped IO on the
     fd will happen on one of the iocp's worker threads.
 */
-int event_iocp_port_associate(struct event_iocp_port *port, evutil_socket_t fd,
+int event_iocp_port_associate_(struct event_iocp_port *port, evutil_socket_t fd,
     ev_uintptr_t key);
 
 /** Tell all threads serving an iocp to stop.  Wait for up to waitMsec for all
@@ -169,29 +169,29 @@
     0. Otherwise, return -1.  If you get a -1 return value, it is safe to call
     this function again.
 */
-int event_iocp_shutdown(struct event_iocp_port *port, long waitMsec);
+int event_iocp_shutdown_(struct event_iocp_port *port, long waitMsec);
 
 /* FIXME document. */
-int event_iocp_activate_overlapped(struct event_iocp_port *port,
+int event_iocp_activate_overlapped_(struct event_iocp_port *port,
     struct event_overlapped *o,
     ev_uintptr_t key, ev_uint32_t n_bytes);
 
 struct event_base;
 /* FIXME document. */
-struct event_iocp_port *event_base_get_iocp(struct event_base *base);
+struct event_iocp_port *event_base_get_iocp_(struct event_base *base);
 
 /* FIXME document. */
-int event_base_start_iocp(struct event_base *base, int n_cpus);
-void event_base_stop_iocp(struct event_base *base);
+int event_base_start_iocp_(struct event_base *base, int n_cpus);
+void event_base_stop_iocp_(struct event_base *base);
 
 /* FIXME document. */
-struct bufferevent *bufferevent_async_new(struct event_base *base,
+struct bufferevent *bufferevent_async_new_(struct event_base *base,
     evutil_socket_t fd, int options);
 
 /* FIXME document. */
-void bufferevent_async_set_connected(struct bufferevent *bev);
-int bufferevent_async_can_connect(struct bufferevent *bev);
-int bufferevent_async_connect(struct bufferevent *bev, evutil_socket_t fd,
+void bufferevent_async_set_connected_(struct bufferevent *bev);
+int bufferevent_async_can_connect_(struct bufferevent *bev);
+int bufferevent_async_connect_(struct bufferevent *bev, evutil_socket_t fd,
 	const struct sockaddr *sa, int socklen);
 
 #ifdef __cplusplus
diff --git a/ipv6-internal.h b/ipv6-internal.h
index e373711..0c20737 100644
--- a/ipv6-internal.h
+++ b/ipv6-internal.h
@@ -27,14 +27,16 @@
 /* Internal use only: Fake IPv6 structures and values on platforms that
  * do not have them */
 
-#ifndef _EVENT_IPV6_INTERNAL_H
-#define _EVENT_IPV6_INTERNAL_H
+#ifndef IPV6_INTERNAL_H_INCLUDED_
+#define IPV6_INTERNAL_H_INCLUDED_
+
+#include "event2/event-config.h"
+#include "evconfig-private.h"
 
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#include "event2/event-config.h"
 #include "event2/util.h"
 
 #ifdef __cplusplus
@@ -47,17 +49,17 @@
  * properly.
  */
 
-#ifndef _EVENT_HAVE_STRUCT_IN6_ADDR
+#ifndef EVENT__HAVE_STRUCT_IN6_ADDR
 struct in6_addr {
 	ev_uint8_t s6_addr[16];
 };
 #endif
 
-#ifndef _EVENT_HAVE_SA_FAMILY_T
+#ifndef EVENT__HAVE_SA_FAMILY_T
 typedef int sa_family_t;
 #endif
 
-#ifndef _EVENT_HAVE_STRUCT_SOCKADDR_IN6
+#ifndef EVENT__HAVE_STRUCT_SOCKADDR_IN6
 struct sockaddr_in6 {
 	/* This will fail if we find a struct sockaddr that doesn't have
 	 * sa_family as the first element. */
diff --git a/evutil.h b/kqueue-internal.h
similarity index 70%
copy from evutil.h
copy to kqueue-internal.h
index 02bca89..02c5a36 100644
--- a/evutil.h
+++ b/kqueue-internal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ * Copyright (c) 2012 Niels Provos and Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,17 +23,17 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVUTIL_H_
-#define _EVUTIL_H_
+#ifndef KQUEUE_INTERNAL_H_INCLUDED_
+#define KQUEUE_INTERNAL_H_INCLUDED_
 
-/** @file evutil.h
+/** Notification function, used to tell an event base to wake up from another
+ * thread.  Only works when event_kq_add_notify_event_() has previously been
+ * called successfully on that base. */
+int event_kq_notify_base_(struct event_base *base);
 
-  Utility and compatibility functions for Libevent.
+/** Prepare a kqueue-using event base to receive notifications via an internal
+ * EVFILT_USER event.  Return 0 on sucess, -1 on failure.
+ */
+int event_kq_add_notify_event_(struct event_base *base);
 
-  The <evutil.h> header is deprecated in Libevent 2.0 and later; please
-  use <event2/util.h> instead.
-*/
-
-#include <event2/util.h>
-
-#endif /* _EVUTIL_H_ */
+#endif
diff --git a/kqueue.c b/kqueue.c
index 51984a4..a959c58 100644
--- a/kqueue.c
+++ b/kqueue.c
@@ -27,11 +27,12 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#define _GNU_SOURCE
+#ifdef EVENT__HAVE_KQUEUE
 
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
@@ -42,14 +43,14 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
-#ifdef _EVENT_HAVE_INTTYPES_H
+#ifdef EVENT__HAVE_INTTYPES_H
 #include <inttypes.h>
 #endif
 
 /* Some platforms apparently define the udata field of struct kevent as
  * intptr_t, whereas others define it as void*.  There doesn't seem to be an
  * easy way to tell them apart via autoconf, so we need to use OS macros. */
-#if defined(_EVENT_HAVE_INTTYPES_H) && !defined(__OpenBSD__) && !defined(__FreeBSD__) && !defined(__darwin__) && !defined(__APPLE__)
+#if defined(EVENT__HAVE_INTTYPES_H) && !defined(__OpenBSD__) && !defined(__FreeBSD__) && !defined(__darwin__) && !defined(__APPLE__) && !defined(__CloudABI__)
 #define PTR_TO_UDATA(x)	((intptr_t)(x))
 #define INT_TO_UDATA(x) ((intptr_t)(x))
 #else
@@ -64,6 +65,8 @@
 #include "evthread-internal.h"
 #include "changelist-internal.h"
 
+#include "kqueue-internal.h"
+
 #define NEVENT		64
 
 struct kqop {
@@ -73,6 +76,7 @@
 	struct kevent *events;
 	int events_size;
 	int kq;
+	int notify_event_added;
 	pid_t pid;
 };
 
@@ -87,8 +91,8 @@
 const struct eventop kqops = {
 	"kqueue",
 	kq_init,
-	event_changelist_add,
-	event_changelist_del,
+	event_changelist_add_,
+	event_changelist_del_,
 	kq_dispatch,
 	kq_dealloc,
 	1 /* need reinit */,
@@ -150,7 +154,7 @@
 	if (kevent(kq,
 		kqueueop->changes, 1, kqueueop->events, NEVENT, NULL) != 1 ||
 	    (int)kqueueop->events[0].ident != -1 ||
-	    kqueueop->events[0].flags != EV_ERROR) {
+	    !(kqueueop->events[0].flags & EV_ERROR)) {
 		event_warn("%s: detected broken kqueue; not using.", __func__);
 		goto err;
 	}
@@ -165,12 +169,6 @@
 	return (NULL);
 }
 
-static void
-kq_sighandler(int sig)
-{
-	/* Do nothing here */
-}
-
 #define ADD_UDATA 0x30303
 
 static void
@@ -262,7 +260,8 @@
 	int i, n_changes, res;
 
 	if (tv != NULL) {
-		TIMEVAL_TO_TIMESPEC(tv, &ts);
+		ts.tv_sec = tv->tv_sec;
+		ts.tv_nsec = tv->tv_usec * 1000;
 		ts_p = &ts;
 	}
 
@@ -272,7 +271,7 @@
 	if (n_changes < 0)
 		return -1;
 
-	event_changelist_remove_all(&base->changelist, base);
+	event_changelist_remove_all_(&base->changelist, base);
 
 	/* steal the changes array in case some broken code tries to call
 	 * dispatch twice at once. */
@@ -334,6 +333,23 @@
 			 * on FreeBSD. */
 			case EINVAL:
 				continue;
+#if defined(__FreeBSD__)
+			/*
+			 * This currently occurs if an FD is closed
+			 * before the EV_DELETE makes it out via kevent().
+			 * The FreeBSD capabilities code sees the blank
+			 * capability set and rejects the request to
+			 * modify an event.
+			 *
+			 * To be strictly correct - when an FD is closed,
+			 * all the registered events are also removed.
+			 * Queuing EV_DELETE to a closed FD is wrong.
+			 * The event(s) should just be deleted from
+			 * the pending changelist.
+			 */
+			case ENOTCAPABLE:
+				continue;
+#endif
 
 			/* Can occur on a delete if the fd is closed. */
 			case EBADF:
@@ -374,15 +390,19 @@
 			which |= EV_WRITE;
 		} else if (events[i].filter == EVFILT_SIGNAL) {
 			which |= EV_SIGNAL;
+#ifdef EVFILT_USER
+		} else if (events[i].filter == EVFILT_USER) {
+			base->is_notify_pending = 0;
+#endif
 		}
 
 		if (!which)
 			continue;
 
 		if (events[i].filter == EVFILT_SIGNAL) {
-			evmap_signal_active(base, events[i].ident, 1);
+			evmap_signal_active_(base, events[i].ident, 1);
 		} else {
-			evmap_io_active(base, events[i].ident, which | EV_ET);
+			evmap_io_active_(base, events[i].ident, which | EV_ET);
 		}
 	}
 
@@ -412,7 +432,7 @@
 kq_dealloc(struct event_base *base)
 {
 	struct kqop *kqop = base->evbase;
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 	kqop_free(kqop);
 }
 
@@ -438,9 +458,13 @@
 	if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1)
 		return (-1);
 
-	/* XXXX The manpage suggest we could use SIG_IGN instead of a
-	 * do-nothing handler */
-	if (_evsig_set_handler(base, nsignal, kq_sighandler) == -1)
+        /* We can set the handler for most signals to SIG_IGN and
+         * still have them reported to us in the queue.  However,
+         * if the handler for SIGCHLD is SIG_IGN, the system reaps
+         * zombie processes for us, and we don't get any notification.
+         * This appears to be the only signal with this quirk. */
+	if (evsig_set_handler_(base, nsignal,
+                               nsignal == SIGCHLD ? SIG_DFL : SIG_IGN) == -1)
 		return (-1);
 
 	return (0);
@@ -468,8 +492,76 @@
 	if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1)
 		return (-1);
 
-	if (_evsig_restore_handler(base, nsignal) == -1)
+	if (evsig_restore_handler_(base, nsignal) == -1)
 		return (-1);
 
 	return (0);
 }
+
+
+/* OSX 10.6 and FreeBSD 8.1 add support for EVFILT_USER, which we can use
+ * to wake up the event loop from another thread. */
+
+/* Magic number we use for our filter ID. */
+#define NOTIFY_IDENT 42
+
+int
+event_kq_add_notify_event_(struct event_base *base)
+{
+	struct kqop *kqop = base->evbase;
+#if defined(EVFILT_USER) && defined(NOTE_TRIGGER)
+	struct kevent kev;
+	struct timespec timeout = { 0, 0 };
+#endif
+
+	if (kqop->notify_event_added)
+		return 0;
+
+#if defined(EVFILT_USER) && defined(NOTE_TRIGGER)
+	memset(&kev, 0, sizeof(kev));
+	kev.ident = NOTIFY_IDENT;
+	kev.filter = EVFILT_USER;
+	kev.flags = EV_ADD | EV_CLEAR;
+
+	if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) {
+		event_warn("kevent: adding EVFILT_USER event");
+		return -1;
+	}
+
+	kqop->notify_event_added = 1;
+
+	return 0;
+#else
+	return -1;
+#endif
+}
+
+int
+event_kq_notify_base_(struct event_base *base)
+{
+	struct kqop *kqop = base->evbase;
+#if defined(EVFILT_USER) && defined(NOTE_TRIGGER)
+	struct kevent kev;
+	struct timespec timeout = { 0, 0 };
+#endif
+	if (! kqop->notify_event_added)
+		return -1;
+
+#if defined(EVFILT_USER) && defined(NOTE_TRIGGER)
+	memset(&kev, 0, sizeof(kev));
+	kev.ident = NOTIFY_IDENT;
+	kev.filter = EVFILT_USER;
+	kev.fflags = NOTE_TRIGGER;
+
+	if (kevent(kqop->kq, &kev, 1, NULL, 0, &timeout) == -1) {
+		event_warn("kevent: triggering EVFILT_USER event");
+		return -1;
+	}
+
+	return 0;
+#else
+	return -1;
+#endif
+}
+
+#endif /* EVENT__HAVE_KQUEUE */
diff --git a/libevent_core.pc.in b/libevent_core.pc.in
new file mode 100644
index 0000000..98ab1ef
--- /dev/null
+++ b/libevent_core.pc.in
@@ -0,0 +1,16 @@
+#libevent pkg-config source file
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libevent_core
+Description: libevent_core
+Version: @VERSION@
+Requires:
+Conflicts:
+Libs: -L${libdir} -levent_core
+Libs.private: @LIBS@
+Cflags: -I${includedir}
+
diff --git a/libevent_extra.pc.in b/libevent_extra.pc.in
new file mode 100644
index 0000000..b963399
--- /dev/null
+++ b/libevent_extra.pc.in
@@ -0,0 +1,16 @@
+#libevent pkg-config source file
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libevent_extra
+Description: libevent_extra
+Version: @VERSION@
+Requires:
+Conflicts:
+Libs: -L${libdir} -levent_extra
+Libs.private: @LIBS@
+Cflags: -I${includedir}
+
diff --git a/libevent_openssl.pc.in b/libevent_openssl.pc.in
index 9624cf2..a65d1e0 100644
--- a/libevent_openssl.pc.in
+++ b/libevent_openssl.pc.in
@@ -11,6 +11,6 @@
 Requires: libevent
 Conflicts:
 Libs: -L${libdir} -levent_openssl
-Libs.private: @LIBS@ -lssl -lcrypto
-Cflags: -I${includedir}
+Libs.private: @LIBS@ @OPENSSL_LIBS@
+Cflags: -I${includedir} @OPENSSL_INCS@
 
diff --git a/listener.c b/listener.c
index 2b67b52..2862d32 100644
--- a/listener.c
+++ b/listener.c
@@ -24,11 +24,12 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <sys/types.h>
 
-#include "event2/event-config.h"
-
-#ifdef WIN32
+#ifdef _WIN32
 #ifndef _WIN32_WINNT
 /* Minimum required for InitializeCriticalSectionAndSpinCount */
 #define _WIN32_WINNT 0x0403
@@ -38,13 +39,13 @@
 #include <mswsock.h>
 #endif
 #include <errno.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
-#ifdef _EVENT_HAVE_FCNTL_H
+#ifdef EVENT__HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
@@ -56,7 +57,7 @@
 #include "util-internal.h"
 #include "log-internal.h"
 #include "evthread-internal.h"
-#ifdef WIN32
+#ifdef _WIN32
 #include "iocp-internal.h"
 #include "defer-internal.h"
 #include "event-internal.h"
@@ -79,6 +80,7 @@
 	void *user_data;
 	unsigned flags;
 	short refcnt;
+	int accept4_flags;
 	unsigned enabled : 1;
 };
 
@@ -87,7 +89,7 @@
 	struct event listener;
 };
 
-#ifdef WIN32
+#ifdef _WIN32
 struct evconnlistener_iocp {
 	struct evconnlistener base;
 	evutil_socket_t fd;
@@ -157,10 +159,10 @@
 {
 	struct evconnlistener_event *lev;
 
-#ifdef WIN32
-	if (base && event_base_get_iocp(base)) {
+#ifdef _WIN32
+	if (base && event_base_get_iocp_(base)) {
 		const struct win32_extension_fns *ext =
-			event_get_win32_extension_fns();
+			event_get_win32_extension_fns_();
 		if (ext->AcceptEx && ext->GetAcceptExSockaddrs)
 			return evconnlistener_new_async(base, cb, ptr, flags,
 				backlog, fd);
@@ -185,6 +187,12 @@
 	lev->base.flags = flags;
 	lev->base.refcnt = 1;
 
+	lev->base.accept4_flags = 0;
+	if (!(flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING))
+		lev->base.accept4_flags |= EVUTIL_SOCK_NONBLOCK;
+	if (flags & LEV_OPT_CLOSE_ON_EXEC)
+		lev->base.accept4_flags |= EVUTIL_SOCK_CLOEXEC;
+
 	if (flags & LEV_OPT_THREADSAFE) {
 		EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
 	}
@@ -192,7 +200,8 @@
 	event_assign(&lev->listener, base, fd, EV_READ|EV_PERSIST,
 	    listener_read_cb, lev);
 
-	evconnlistener_enable(&lev->base);
+	if (!(flags & LEV_OPT_DISABLED))
+	    evconnlistener_enable(&lev->base);
 
 	return &lev->base;
 }
@@ -206,51 +215,49 @@
 	evutil_socket_t fd;
 	int on = 1;
 	int family = sa ? sa->sa_family : AF_UNSPEC;
+	int socktype = SOCK_STREAM | EVUTIL_SOCK_NONBLOCK;
 
 	if (backlog == 0)
 		return NULL;
 
-	fd = socket(family, SOCK_STREAM, 0);
+	if (flags & LEV_OPT_CLOSE_ON_EXEC)
+		socktype |= EVUTIL_SOCK_CLOEXEC;
+
+	fd = evutil_socket_(family, socktype, 0);
 	if (fd == -1)
 		return NULL;
 
-	if (evutil_make_socket_nonblocking(fd) < 0) {
-		evutil_closesocket(fd);
-		return NULL;
-	}
+	if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void*)&on, sizeof(on))<0)
+		goto err;
 
-	if (flags & LEV_OPT_CLOSE_ON_EXEC) {
-		if (evutil_make_socket_closeonexec(fd) < 0) {
-			evutil_closesocket(fd);
-			return NULL;
-		}
-	}
-
-	if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void*)&on, sizeof(on))<0) {
-		evutil_closesocket(fd);
-		return NULL;
-	}
 	if (flags & LEV_OPT_REUSEABLE) {
-		if (evutil_make_listen_socket_reuseable(fd) < 0) {
-			evutil_closesocket(fd);
-			return NULL;
-		}
+		if (evutil_make_listen_socket_reuseable(fd) < 0)
+			goto err;
+	}
+
+	if (flags & LEV_OPT_REUSEABLE_PORT) {
+		if (evutil_make_listen_socket_reuseable_port(fd) < 0)
+			goto err;
+	}
+
+	if (flags & LEV_OPT_DEFERRED_ACCEPT) {
+		if (evutil_make_tcp_listen_socket_deferred(fd) < 0)
+			goto err;
 	}
 
 	if (sa) {
-		if (bind(fd, sa, socklen)<0) {
-			evutil_closesocket(fd);
-			return NULL;
-		}
+		if (bind(fd, sa, socklen)<0)
+			goto err;
 	}
 
 	listener = evconnlistener_new(base, cb, ptr, flags, backlog, fd);
-	if (!listener) {
-		evutil_closesocket(fd);
-		return NULL;
-	}
+	if (!listener)
+		goto err;
 
 	return listener;
+err:
+	evutil_closesocket(fd);
+	return NULL;
 }
 
 void
@@ -388,12 +395,8 @@
 	LOCK(lev);
 	while (1) {
 		struct sockaddr_storage ss;
-#ifdef WIN32
-		int socklen = sizeof(ss);
-#else
-		socklen_t socklen = sizeof(ss);
-#endif
-		evutil_socket_t new_fd = accept(fd, (struct sockaddr*)&ss, &socklen);
+		ev_socklen_t socklen = sizeof(ss);
+		evutil_socket_t new_fd = evutil_accept4_(fd, (struct sockaddr*)&ss, &socklen, lev->accept4_flags);
 		if (new_fd < 0)
 			break;
 		if (socklen == 0) {
@@ -403,9 +406,6 @@
 			continue;
 		}
 
-		if (!(lev->flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING))
-			evutil_make_socket_nonblocking(new_fd);
-
 		if (lev->cb == NULL) {
 			evutil_closesocket(new_fd);
 			UNLOCK(lev);
@@ -421,6 +421,8 @@
 		if (lev->refcnt == 1) {
 			int freed = listener_decref_and_unlock(lev);
 			EVUTIL_ASSERT(freed);
+
+			evutil_closesocket(new_fd);
 			return;
 		}
 		--lev->refcnt;
@@ -440,16 +442,17 @@
 		listener_decref_and_unlock(lev);
 	} else {
 		event_sock_warn(fd, "Error from accept() call");
+		UNLOCK(lev);
 	}
 }
 
-#ifdef WIN32
+#ifdef _WIN32
 struct accepting_socket {
 	CRITICAL_SECTION lock;
 	struct event_overlapped overlapped;
 	SOCKET s;
 	int error;
-	struct deferred_cb deferred;
+	struct event_callback deferred;
 	struct evconnlistener_iocp *lev;
 	ev_uint8_t buflen;
 	ev_uint8_t family;
@@ -459,7 +462,7 @@
 
 static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key,
     ev_ssize_t n, int ok);
-static void accepted_socket_invoke_user_cb(struct deferred_cb *cb, void *arg);
+static void accepted_socket_invoke_user_cb(struct event_callback *cb, void *arg);
 
 static void
 iocp_listener_event_add(struct evconnlistener_iocp *lev)
@@ -468,7 +471,7 @@
 		return;
 
 	lev->event_added = 1;
-	event_base_add_virtual(lev->event_base);
+	event_base_add_virtual_(lev->event_base);
 }
 
 static void
@@ -478,7 +481,7 @@
 		return;
 
 	lev->event_added = 0;
-	event_base_del_virtual(lev->event_base);
+	event_base_del_virtual_(lev->event_base);
 }
 
 static struct accepting_socket *
@@ -500,14 +503,15 @@
 	if (!res)
 		return NULL;
 
-	event_overlapped_init(&res->overlapped, accepted_socket_cb);
+	event_overlapped_init_(&res->overlapped, accepted_socket_cb);
 	res->s = INVALID_SOCKET;
 	res->lev = lev;
 	res->buflen = buflen;
 	res->family = family;
 
-	event_deferred_cb_init(&res->deferred,
-		accepted_socket_invoke_user_cb, res);
+	event_deferred_cb_init_(&res->deferred,
+	    event_base_get_npriorities(lev->event_base) / 2,
+	    accepted_socket_invoke_user_cb, res);
 
 	InitializeCriticalSectionAndSpinCount(&res->lock, 1000);
 
@@ -530,7 +534,7 @@
 start_accepting(struct accepting_socket *as)
 {
 	/* requires lock */
-	const struct win32_extension_fns *ext = event_get_win32_extension_fns();
+	const struct win32_extension_fns *ext = event_get_win32_extension_fns_();
 	DWORD pending = 0;
 	SOCKET s = socket(as->family, SOCK_STREAM, 0);
 	int error = 0;
@@ -551,7 +555,7 @@
 	if (!(as->lev->base.flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING))
 		evutil_make_socket_nonblocking(s);
 
-	if (event_iocp_port_associate(as->lev->port, s, 1) < 0) {
+	if (event_iocp_port_associate_(as->lev->port, s, 1) < 0) {
 		closesocket(s);
 		return -1;
 	}
@@ -574,8 +578,8 @@
 
 report_err:
 	as->error = error;
-	event_deferred_cb_schedule(
-		event_base_get_deferred_cb_queue(as->lev->event_base),
+	event_deferred_cb_schedule_(
+		as->lev->event_base,
 		&as->deferred);
 	return 0;
 }
@@ -590,13 +594,13 @@
 }
 
 static void
-accepted_socket_invoke_user_cb(struct deferred_cb *dcb, void *arg)
+accepted_socket_invoke_user_cb(struct event_callback *dcb, void *arg)
 {
 	struct accepting_socket *as = arg;
 
 	struct sockaddr *sa_local=NULL, *sa_remote=NULL;
 	int socklen_local=0, socklen_remote=0;
-	const struct win32_extension_fns *ext = event_get_win32_extension_fns();
+	const struct win32_extension_fns *ext = event_get_win32_extension_fns_();
 	struct evconnlistener *lev = &as->lev->base;
 	evutil_socket_t sock=-1;
 	void *data;
@@ -666,8 +670,8 @@
 	EnterCriticalSection(&as->lock);
 	if (ok) {
 		/* XXXX Don't do this if some EV_MT flag is set. */
-		event_deferred_cb_schedule(
-			event_base_get_deferred_cb_queue(as->lev->event_base),
+		event_deferred_cb_schedule_(
+			as->lev->event_base,
 			&as->deferred);
 		LeaveCriticalSection(&as->lock);
 	} else if (as->free_on_cb) {
@@ -691,8 +695,8 @@
 		} else {
 			as->error = WSAGetLastError();
 		}
-		event_deferred_cb_schedule(
-			event_base_get_deferred_cb_queue(as->lev->event_base),
+		event_deferred_cb_schedule_(
+			as->lev->event_base,
 			&as->deferred);
 		LeaveCriticalSection(&as->lock);
 	}
@@ -808,7 +812,7 @@
 
 	flags |= LEV_OPT_THREADSAFE;
 
-	if (!base || !event_base_get_iocp(base))
+	if (!base || !event_base_get_iocp_(base))
 		goto err;
 
 	/* XXXX duplicate code */
@@ -835,12 +839,12 @@
 	lev->base.refcnt = 1;
 	lev->base.enabled = 1;
 
-	lev->port = event_base_get_iocp(base);
+	lev->port = event_base_get_iocp_(base);
 	lev->fd = fd;
 	lev->event_base = base;
 
 
-	if (event_iocp_port_associate(lev->port, fd, 1) < 0)
+	if (event_iocp_port_associate_(lev->port, fd, 1) < 0)
 		goto err_free_lev;
 
 	EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
diff --git a/log-internal.h b/log-internal.h
index 211b3e1..330478a 100644
--- a/log-internal.h
+++ b/log-internal.h
@@ -24,8 +24,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _LOG_H_
-#define _LOG_H_
+#ifndef LOG_INTERNAL_H_INCLUDED_
+#define LOG_INTERNAL_H_INCLUDED_
 
 #include "event2/util.h"
 
@@ -37,7 +37,24 @@
 #define EV_NORETURN
 #endif
 
-#define _EVENT_ERR_ABORT ((int)0xdeaddead)
+#define EVENT_ERR_ABORT_ ((int)0xdeaddead)
+
+#define USE_GLOBAL_FOR_DEBUG_LOGGING
+
+#if !defined(EVENT__DISABLE_DEBUG_MODE) || defined(USE_DEBUG)
+#define EVENT_DEBUG_LOGGING_ENABLED
+#endif
+
+#ifdef EVENT_DEBUG_LOGGING_ENABLED
+#ifdef USE_GLOBAL_FOR_DEBUG_LOGGING
+extern ev_uint32_t event_debug_logging_mask_;
+#define event_debug_get_logging_mask_() (event_debug_logging_mask_)
+#else
+ev_uint32_t event_debug_get_logging_mask_(void);
+#endif
+#else
+#define event_debug_get_logging_mask_() (0)
+#endif
 
 void event_err(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
 void event_warn(const char *fmt, ...) EV_CHECK_FMT(1,2);
@@ -46,12 +63,19 @@
 void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3) EV_NORETURN;
 void event_warnx(const char *fmt, ...) EV_CHECK_FMT(1,2);
 void event_msgx(const char *fmt, ...) EV_CHECK_FMT(1,2);
-void _event_debugx(const char *fmt, ...) EV_CHECK_FMT(1,2);
+void event_debugx_(const char *fmt, ...) EV_CHECK_FMT(1,2);
 
-#ifdef USE_DEBUG
-#define event_debug(x) _event_debugx x
+void event_logv_(int severity, const char *errstr, const char *fmt, va_list ap)
+	EV_CHECK_FMT(3,0);
+
+#ifdef EVENT_DEBUG_LOGGING_ENABLED
+#define event_debug(x) do {			\
+	if (event_debug_get_logging_mask_()) {	\
+		event_debugx_ x;		\
+	}					\
+	} while (0)
 #else
-#define event_debug(x) do {;} while (0)
+#define event_debug(x) ((void)0)
 #endif
 
 #undef EV_CHECK_FMT
diff --git a/log.c b/log.c
index 046e81f..e8ae9fd 100644
--- a/log.c
+++ b/log.c
@@ -38,8 +38,9 @@
  */
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <winsock2.h>
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
@@ -56,13 +57,38 @@
 
 #include "log-internal.h"
 
-static void _warn_helper(int severity, const char *errstr, const char *fmt,
-    va_list ap);
 static void event_log(int severity, const char *msg);
 static void event_exit(int errcode) EV_NORETURN;
 
 static event_fatal_cb fatal_fn = NULL;
 
+#ifdef EVENT_DEBUG_LOGGING_ENABLED
+#ifdef USE_DEBUG
+#define DEFAULT_MASK EVENT_DBG_ALL
+#else
+#define DEFAULT_MASK 0
+#endif
+
+#ifdef USE_GLOBAL_FOR_DEBUG_LOGGING
+ev_uint32_t event_debug_logging_mask_ = DEFAULT_MASK;
+#else
+static ev_uint32_t event_debug_logging_mask_ = DEFAULT_MASK;
+ev_uint32_t
+event_debug_get_logging_mask_(void)
+{
+	return event_debug_logging_mask_;
+}
+#endif
+#endif /* EVENT_DEBUG_LOGGING_ENABLED */
+
+void
+event_enable_debug_logging(ev_uint32_t which)
+{
+#ifdef EVENT_DEBUG_LOGGING_ENABLED
+	event_debug_logging_mask_ = which;
+#endif
+}
+
 void
 event_set_fatal_callback(event_fatal_cb cb)
 {
@@ -75,7 +101,7 @@
 	if (fatal_fn) {
 		fatal_fn(errcode);
 		exit(errcode); /* should never be reached */
-	} else if (errcode == _EVENT_ERR_ABORT)
+	} else if (errcode == EVENT_ERR_ABORT_)
 		abort();
 	else
 		exit(errcode);
@@ -87,7 +113,7 @@
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_ERR, strerror(errno), fmt, ap);
+	event_logv_(EVENT_LOG_ERR, strerror(errno), fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
@@ -98,7 +124,7 @@
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_WARN, strerror(errno), fmt, ap);
+	event_logv_(EVENT_LOG_WARN, strerror(errno), fmt, ap);
 	va_end(ap);
 }
 
@@ -109,7 +135,7 @@
 	int err = evutil_socket_geterror(sock);
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_ERR, evutil_socket_error_to_string(err), fmt, ap);
+	event_logv_(EVENT_LOG_ERR, evutil_socket_error_to_string(err), fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
@@ -121,7 +147,7 @@
 	int err = evutil_socket_geterror(sock);
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_WARN, evutil_socket_error_to_string(err), fmt, ap);
+	event_logv_(EVENT_LOG_WARN, evutil_socket_error_to_string(err), fmt, ap);
 	va_end(ap);
 }
 
@@ -131,7 +157,7 @@
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_ERR, NULL, fmt, ap);
+	event_logv_(EVENT_LOG_ERR, NULL, fmt, ap);
 	va_end(ap);
 	event_exit(eval);
 }
@@ -142,7 +168,7 @@
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_WARN, NULL, fmt, ap);
+	event_logv_(EVENT_LOG_WARN, NULL, fmt, ap);
 	va_end(ap);
 }
 
@@ -152,26 +178,29 @@
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_MSG, NULL, fmt, ap);
+	event_logv_(EVENT_LOG_MSG, NULL, fmt, ap);
 	va_end(ap);
 }
 
 void
-_event_debugx(const char *fmt, ...)
+event_debugx_(const char *fmt, ...)
 {
 	va_list ap;
 
 	va_start(ap, fmt);
-	_warn_helper(_EVENT_LOG_DEBUG, NULL, fmt, ap);
+	event_logv_(EVENT_LOG_DEBUG, NULL, fmt, ap);
 	va_end(ap);
 }
 
-static void
-_warn_helper(int severity, const char *errstr, const char *fmt, va_list ap)
+void
+event_logv_(int severity, const char *errstr, const char *fmt, va_list ap)
 {
 	char buf[1024];
 	size_t len;
 
+	if (severity == EVENT_LOG_DEBUG && !event_debug_get_logging_mask_())
+		return;
+
 	if (fmt != NULL)
 		evutil_vsnprintf(buf, sizeof(buf), fmt, ap);
 	else
@@ -203,16 +232,16 @@
 	else {
 		const char *severity_str;
 		switch (severity) {
-		case _EVENT_LOG_DEBUG:
+		case EVENT_LOG_DEBUG:
 			severity_str = "debug";
 			break;
-		case _EVENT_LOG_MSG:
+		case EVENT_LOG_MSG:
 			severity_str = "msg";
 			break;
-		case _EVENT_LOG_WARN:
+		case EVENT_LOG_WARN:
 			severity_str = "warn";
 			break;
-		case _EVENT_LOG_ERR:
+		case EVENT_LOG_ERR:
 			severity_str = "err";
 			break;
 		default:
diff --git a/ltmain.sh b/ltmain.sh
index 63ae69d..0f0a2da 100644
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -1,9 +1,12 @@
+#! /bin/sh
+## DO NOT EDIT - This file generated from ./build-aux/ltmain.in
+##               by inline-source v2014-01-03.01
 
-# libtool (GNU libtool) 2.4.2
+# libtool (GNU libtool) 2.4.6
+# Provide generalized library-building support services.
 # Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# Copyright (C) 1996-2015 Free Software Foundation, Inc.
 # This is free software; see the source for copying conditions.  There is NO
 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
@@ -23,166 +26,670 @@
 # General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Libtool; see the file COPYING.  If not, a copy
-# can be downloaded from http://www.gnu.org/licenses/gpl.html,
-# or obtained by writing to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Usage: $progname [OPTION]... [MODE-ARG]...
-#
-# Provide generalized library-building support services.
-#
-#       --config             show all configuration variables
-#       --debug              enable verbose shell tracing
-#   -n, --dry-run            display commands without modifying any files
-#       --features           display basic configuration information and exit
-#       --mode=MODE          use operation mode MODE
-#       --preserve-dup-deps  don't remove duplicate dependency libraries
-#       --quiet, --silent    don't print informational messages
-#       --no-quiet, --no-silent
-#                            print informational messages (default)
-#       --no-warn            don't display warning messages
-#       --tag=TAG            use configuration variables from tag TAG
-#   -v, --verbose            print more informational messages than default
-#       --no-verbose         don't print the extra informational messages
-#       --version            print version information
-#   -h, --help, --help-all   print short, long, or detailed help message
-#
-# MODE must be one of the following:
-#
-#         clean              remove files from the build directory
-#         compile            compile a source file into a libtool object
-#         execute            automatically set library path, then run a program
-#         finish             complete the installation of libtool libraries
-#         install            install libraries or executables
-#         link               create a library or an executable
-#         uninstall          remove libraries from an installed directory
-#
-# MODE-ARGS vary depending on the MODE.  When passed as first option,
-# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that.
-# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
-#
-# When reporting a bug, please describe a test case to reproduce it and
-# include the following information:
-#
-#         host-triplet:	$host
-#         shell:		$SHELL
-#         compiler:		$LTCC
-#         compiler flags:		$LTCFLAGS
-#         linker:		$LD (gnu? $with_gnu_ld)
-#         $progname:	(GNU libtool) 2.4.2
-#         automake:	$automake_version
-#         autoconf:	$autoconf_version
-#
-# Report bugs to <bug-libtool@gnu.org>.
-# GNU libtool home page: <http://www.gnu.org/software/libtool/>.
-# General help using GNU software: <http://www.gnu.org/gethelp/>.
 
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION=2.4.2
-TIMESTAMP=""
-package_revision=1.3337
+VERSION=2.4.6
+package_revision=2.4.6
 
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# Run './libtool --help' for help with using this script from the
+# command line.
+
+
+## ------------------------------- ##
+## User overridable command paths. ##
+## ------------------------------- ##
+
+# After configure completes, it has a better idea of some of the
+# shell tools we need than the defaults used by the functions shared
+# with bootstrap, so set those here where they can still be over-
+# ridden by the user, but otherwise take precedence.
+
+: ${AUTOCONF="autoconf"}
+: ${AUTOMAKE="automake"}
+
+
+## -------------------------- ##
+## Source external libraries. ##
+## -------------------------- ##
+
+# Much of our low-level functionality needs to be sourced from external
+# libraries, which are installed to $pkgauxdir.
+
+# Set a version string for this script.
+scriptversion=2015-01-20.17; # UTC
+
+# General shell script boiler plate, and helper functions.
+# Written by Gary V. Vaughan, 2004
+
+# Copyright (C) 2004-2015 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# As a special exception to the GNU General Public License, if you distribute
+# this file as part of a program or library that is built using GNU Libtool,
+# you may include this file under the same distribution terms that you use
+# for the rest of that program.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNES FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Please report bugs or propose patches to gary@gnu.org.
+
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# Evaluate this file near the top of your script to gain access to
+# the functions and variables defined here:
+#
+#   . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh
+#
+# If you need to override any of the default environment variable
+# settings, do that before evaluating this file.
+
+
+## -------------------- ##
+## Shell normalisation. ##
+## -------------------- ##
+
+# Some shells need a little help to be as Bourne compatible as possible.
+# Before doing anything else, make sure all that help has been provided!
+
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+  case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
-  eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
-}
-
-# NLS nuisances: We save the old values to restore during execute mode.
-lt_user_locale=
-lt_safe_locale=
-for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+# NLS nuisances: We save the old values in case they are required later.
+_G_user_locale=
+_G_safe_locale=
+for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
 do
-  eval "if test \"\${$lt_var+set}\" = set; then
-          save_$lt_var=\$$lt_var
-          $lt_var=C
-	  export $lt_var
-	  lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
-	  lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+  eval "if test set = \"\${$_G_var+set}\"; then
+          save_$_G_var=\$$_G_var
+          $_G_var=C
+	  export $_G_var
+	  _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\"
+	  _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\"
 	fi"
 done
-LC_ALL=C
-LANGUAGE=C
-export LANGUAGE LC_ALL
 
-$lt_unset CDPATH
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
 
+# Make sure IFS has a sensible default
+sp=' '
+nl='
+'
+IFS="$sp	$nl"
+
+# There are apparently some retarded systems that use ';' as a PATH separator!
+if test "${PATH_SEPARATOR+set}" != set; then
+  PATH_SEPARATOR=:
+  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+      PATH_SEPARATOR=';'
+  }
+fi
+
+
+
+## ------------------------- ##
+## Locate command utilities. ##
+## ------------------------- ##
+
+
+# func_executable_p FILE
+# ----------------------
+# Check that FILE is an executable regular file.
+func_executable_p ()
+{
+    test -f "$1" && test -x "$1"
+}
+
+
+# func_path_progs PROGS_LIST CHECK_FUNC [PATH]
+# --------------------------------------------
+# Search for either a program that responds to --version with output
+# containing "GNU", or else returned by CHECK_FUNC otherwise, by
+# trying all the directories in PATH with each of the elements of
+# PROGS_LIST.
+#
+# CHECK_FUNC should accept the path to a candidate program, and
+# set $func_check_prog_result if it truncates its output less than
+# $_G_path_prog_max characters.
+func_path_progs ()
+{
+    _G_progs_list=$1
+    _G_check_func=$2
+    _G_PATH=${3-"$PATH"}
+
+    _G_path_prog_max=0
+    _G_path_prog_found=false
+    _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:}
+    for _G_dir in $_G_PATH; do
+      IFS=$_G_save_IFS
+      test -z "$_G_dir" && _G_dir=.
+      for _G_prog_name in $_G_progs_list; do
+        for _exeext in '' .EXE; do
+          _G_path_prog=$_G_dir/$_G_prog_name$_exeext
+          func_executable_p "$_G_path_prog" || continue
+          case `"$_G_path_prog" --version 2>&1` in
+            *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;;
+            *)     $_G_check_func $_G_path_prog
+		   func_path_progs_result=$func_check_prog_result
+		   ;;
+          esac
+          $_G_path_prog_found && break 3
+        done
+      done
+    done
+    IFS=$_G_save_IFS
+    test -z "$func_path_progs_result" && {
+      echo "no acceptable sed could be found in \$PATH" >&2
+      exit 1
+    }
+}
+
+
+# We want to be able to use the functions in this file before configure
+# has figured out where the best binaries are kept, which means we have
+# to search for them ourselves - except when the results are already set
+# where we skip the searches.
+
+# Unless the user overrides by setting SED, search the path for either GNU
+# sed, or the sed that truncates its output the least.
+test -z "$SED" && {
+  _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+  for _G_i in 1 2 3 4 5 6 7; do
+    _G_sed_script=$_G_sed_script$nl$_G_sed_script
+  done
+  echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed
+  _G_sed_script=
+
+  func_check_prog_sed ()
+  {
+    _G_path_prog=$1
+
+    _G_count=0
+    printf 0123456789 >conftest.in
+    while :
+    do
+      cat conftest.in conftest.in >conftest.tmp
+      mv conftest.tmp conftest.in
+      cp conftest.in conftest.nl
+      echo '' >> conftest.nl
+      "$_G_path_prog" -f conftest.sed <conftest.nl >conftest.out 2>/dev/null || break
+      diff conftest.out conftest.nl >/dev/null 2>&1 || break
+      _G_count=`expr $_G_count + 1`
+      if test "$_G_count" -gt "$_G_path_prog_max"; then
+        # Best one so far, save it but keep looking for a better one
+        func_check_prog_result=$_G_path_prog
+        _G_path_prog_max=$_G_count
+      fi
+      # 10*(2^10) chars as input seems more than enough
+      test 10 -lt "$_G_count" && break
+    done
+    rm -f conftest.in conftest.tmp conftest.nl conftest.out
+  }
+
+  func_path_progs "sed gsed" func_check_prog_sed $PATH:/usr/xpg4/bin
+  rm -f conftest.sed
+  SED=$func_path_progs_result
+}
+
+
+# Unless the user overrides by setting GREP, search the path for either GNU
+# grep, or the grep that truncates its output the least.
+test -z "$GREP" && {
+  func_check_prog_grep ()
+  {
+    _G_path_prog=$1
+
+    _G_count=0
+    _G_path_prog_max=0
+    printf 0123456789 >conftest.in
+    while :
+    do
+      cat conftest.in conftest.in >conftest.tmp
+      mv conftest.tmp conftest.in
+      cp conftest.in conftest.nl
+      echo 'GREP' >> conftest.nl
+      "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' <conftest.nl >conftest.out 2>/dev/null || break
+      diff conftest.out conftest.nl >/dev/null 2>&1 || break
+      _G_count=`expr $_G_count + 1`
+      if test "$_G_count" -gt "$_G_path_prog_max"; then
+        # Best one so far, save it but keep looking for a better one
+        func_check_prog_result=$_G_path_prog
+        _G_path_prog_max=$_G_count
+      fi
+      # 10*(2^10) chars as input seems more than enough
+      test 10 -lt "$_G_count" && break
+    done
+    rm -f conftest.in conftest.tmp conftest.nl conftest.out
+  }
+
+  func_path_progs "grep ggrep" func_check_prog_grep $PATH:/usr/xpg4/bin
+  GREP=$func_path_progs_result
+}
+
+
+## ------------------------------- ##
+## User overridable command paths. ##
+## ------------------------------- ##
+
+# All uppercase variable names are used for environment variables.  These
+# variables can be overridden by the user before calling a script that
+# uses them if a suitable command of that name is not already available
+# in the command search PATH.
+
+: ${CP="cp -f"}
+: ${ECHO="printf %s\n"}
+: ${EGREP="$GREP -E"}
+: ${FGREP="$GREP -F"}
+: ${LN_S="ln -s"}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+
+
+## -------------------- ##
+## Useful sed snippets. ##
+## -------------------- ##
+
+sed_dirname='s|/[^/]*$||'
+sed_basename='s|^.*/||'
+
+# Sed substitution that helps us do robust quoting.  It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='s|\([`"$\\]\)|\\\1|g'
+
+# Same as above, but do not quote variable references.
+sed_double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g'
+
+# Sed substitution that converts a w32 file name or path
+# that contains forward slashes, into one that contains
+# (escaped) backslashes.  A very naive implementation.
+sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-'\' parameter expansions in output of sed_double_quote_subst that
+# were '\'-ed in input to the same.  If an odd number of '\' preceded a
+# '$' in input to sed_double_quote_subst, that '$' was protected from
+# expansion.  Since each input '\' is now two '\'s, look for any number
+# of runs of four '\'s followed by two '\'s and then a '$'.  '\' that '$'.
+_G_bs='\\'
+_G_bs2='\\\\'
+_G_bs4='\\\\\\\\'
+_G_dollar='\$'
+sed_double_backslash="\
+  s/$_G_bs4/&\\
+/g
+  s/^$_G_bs2$_G_dollar/$_G_bs&/
+  s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g
+  s/\n//g"
+
+
+## ----------------- ##
+## Global variables. ##
+## ----------------- ##
+
+# Except for the global variables explicitly listed below, the following
+# functions in the '^func_' namespace, and the '^require_' namespace
+# variables initialised in the 'Resource management' section, sourcing
+# this file will not pollute your global namespace with anything
+# else. There's no portable way to scope variables in Bourne shell
+# though, so actually running these functions will sometimes place
+# results into a variable named after the function, and often use
+# temporary variables in the '^_G_' namespace. If you are careful to
+# avoid using those namespaces casually in your sourcing script, things
+# should continue to work as you expect. And, of course, you can freely
+# overwrite any of the functions or variables defined here before
+# calling anything to customize them.
+
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+
+# Allow overriding, eg assuming that you follow the convention of
+# putting '$debug_cmd' at the start of all your functions, you can get
+# bash to show function call trace with:
+#
+#    debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name
+debug_cmd=${debug_cmd-":"}
+exit_cmd=:
+
+# By convention, finish your script with:
+#
+#    exit $exit_status
+#
+# so that you can set exit_status to non-zero if you want to indicate
+# something went wrong during execution without actually bailing out at
+# the point of failure.
+exit_status=$EXIT_SUCCESS
 
 # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
 # is ksh but when the shell is invoked as "sh" and the current value of
 # the _XPG environment variable is not equal to 1 (one), the special
 # positional parameter $0, within a function call, is the name of the
 # function.
-progpath="$0"
+progpath=$0
+
+# The name of this program.
+progname=`$ECHO "$progpath" |$SED "$sed_basename"`
+
+# Make sure we have an absolute progpath for reexecution:
+case $progpath in
+  [\\/]*|[A-Za-z]:\\*) ;;
+  *[\\/]*)
+     progdir=`$ECHO "$progpath" |$SED "$sed_dirname"`
+     progdir=`cd "$progdir" && pwd`
+     progpath=$progdir/$progname
+     ;;
+  *)
+     _G_IFS=$IFS
+     IFS=${PATH_SEPARATOR-:}
+     for progdir in $PATH; do
+       IFS=$_G_IFS
+       test -x "$progdir/$progname" && break
+     done
+     IFS=$_G_IFS
+     test -n "$progdir" || progdir=`pwd`
+     progpath=$progdir/$progname
+     ;;
+esac
 
 
+## ----------------- ##
+## Standard options. ##
+## ----------------- ##
 
-: ${CP="cp -f"}
-test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
-: ${MAKE="make"}
-: ${MKDIR="mkdir"}
-: ${MV="mv -f"}
-: ${RM="rm -f"}
-: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
-: ${Xsed="$SED -e 1s/^X//"}
+# The following options affect the operation of the functions defined
+# below, and should be set appropriately depending on run-time para-
+# meters passed on the command line.
 
-# Global variables:
-EXIT_SUCCESS=0
-EXIT_FAILURE=1
-EXIT_MISMATCH=63  # $? = 63 is used to indicate version mismatch to missing.
-EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
+opt_dry_run=false
+opt_quiet=false
+opt_verbose=false
 
-exit_status=$EXIT_SUCCESS
+# Categories 'all' and 'none' are always available.  Append any others
+# you will pass as the first argument to func_warning from your own
+# code.
+warning_categories=
 
-# Make sure IFS has a sensible default
-lt_nl='
-'
-IFS=" 	$lt_nl"
+# By default, display warnings according to 'opt_warning_types'.  Set
+# 'warning_func'  to ':' to elide all warnings, or func_fatal_error to
+# treat the next displayed warning as a fatal error.
+warning_func=func_warn_and_continue
 
-dirname="s,/[^/]*$,,"
-basename="s,^.*/,,"
+# Set to 'all' to display all warnings, 'none' to suppress all
+# warnings, or a space delimited list of some subset of
+# 'warning_categories' to display only the listed warnings.
+opt_warning_types=all
 
-# func_dirname file append nondir_replacement
+
+## -------------------- ##
+## Resource management. ##
+## -------------------- ##
+
+# This section contains definitions for functions that each ensure a
+# particular resource (a file, or a non-empty configuration variable for
+# example) is available, and if appropriate to extract default values
+# from pertinent package files. Call them using their associated
+# 'require_*' variable to ensure that they are executed, at most, once.
+#
+# It's entirely deliberate that calling these functions can set
+# variables that don't obey the namespace limitations obeyed by the rest
+# of this file, in order that that they be as useful as possible to
+# callers.
+
+
+# require_term_colors
+# -------------------
+# Allow display of bold text on terminals that support it.
+require_term_colors=func_require_term_colors
+func_require_term_colors ()
+{
+    $debug_cmd
+
+    test -t 1 && {
+      # COLORTERM and USE_ANSI_COLORS environment variables take
+      # precedence, because most terminfo databases neglect to describe
+      # whether color sequences are supported.
+      test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"}
+
+      if test 1 = "$USE_ANSI_COLORS"; then
+        # Standard ANSI escape sequences
+        tc_reset='[0m'
+        tc_bold='[1m';   tc_standout='[7m'
+        tc_red='[31m';   tc_green='[32m'
+        tc_blue='[34m';  tc_cyan='[36m'
+      else
+        # Otherwise trust the terminfo database after all.
+        test -n "`tput sgr0 2>/dev/null`" && {
+          tc_reset=`tput sgr0`
+          test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold`
+          tc_standout=$tc_bold
+          test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso`
+          test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1`
+          test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2`
+          test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4`
+          test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5`
+        }
+      fi
+    }
+
+    require_term_colors=:
+}
+
+
+## ----------------- ##
+## Function library. ##
+## ----------------- ##
+
+# This section contains a variety of useful functions to call in your
+# scripts. Take note of the portable wrappers for features provided by
+# some modern shells, which will fall back to slower equivalents on
+# less featureful shells.
+
+
+# func_append VAR VALUE
+# ---------------------
+# Append VALUE onto the existing contents of VAR.
+
+  # We should try to minimise forks, especially on Windows where they are
+  # unreasonably slow, so skip the feature probes when bash or zsh are
+  # being used:
+  if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then
+    : ${_G_HAVE_ARITH_OP="yes"}
+    : ${_G_HAVE_XSI_OPS="yes"}
+    # The += operator was introduced in bash 3.1
+    case $BASH_VERSION in
+      [12].* | 3.0 | 3.0*) ;;
+      *)
+        : ${_G_HAVE_PLUSEQ_OP="yes"}
+        ;;
+    esac
+  fi
+
+  # _G_HAVE_PLUSEQ_OP
+  # Can be empty, in which case the shell is probed, "yes" if += is
+  # useable or anything else if it does not work.
+  test -z "$_G_HAVE_PLUSEQ_OP" \
+    && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \
+    && _G_HAVE_PLUSEQ_OP=yes
+
+if test yes = "$_G_HAVE_PLUSEQ_OP"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_append ()
+  {
+    $debug_cmd
+
+    eval "$1+=\$2"
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_append ()
+  {
+    $debug_cmd
+
+    eval "$1=\$$1\$2"
+  }
+fi
+
+
+# func_append_quoted VAR VALUE
+# ----------------------------
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+if test yes = "$_G_HAVE_PLUSEQ_OP"; then
+  eval 'func_append_quoted ()
+  {
+    $debug_cmd
+
+    func_quote_for_eval "$2"
+    eval "$1+=\\ \$func_quote_for_eval_result"
+  }'
+else
+  func_append_quoted ()
+  {
+    $debug_cmd
+
+    func_quote_for_eval "$2"
+    eval "$1=\$$1\\ \$func_quote_for_eval_result"
+  }
+fi
+
+
+# func_append_uniq VAR VALUE
+# --------------------------
+# Append unique VALUE onto the existing contents of VAR, assuming
+# entries are delimited by the first character of VALUE.  For example:
+#
+#   func_append_uniq options " --another-option option-argument"
+#
+# will only append to $options if " --another-option option-argument "
+# is not already present somewhere in $options already (note spaces at
+# each end implied by leading space in second argument).
+func_append_uniq ()
+{
+    $debug_cmd
+
+    eval _G_current_value='`$ECHO $'$1'`'
+    _G_delim=`expr "$2" : '\(.\)'`
+
+    case $_G_delim$_G_current_value$_G_delim in
+      *"$2$_G_delim"*) ;;
+      *) func_append "$@" ;;
+    esac
+}
+
+
+# func_arith TERM...
+# ------------------
+# Set func_arith_result to the result of evaluating TERMs.
+  test -z "$_G_HAVE_ARITH_OP" \
+    && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \
+    && _G_HAVE_ARITH_OP=yes
+
+if test yes = "$_G_HAVE_ARITH_OP"; then
+  eval 'func_arith ()
+  {
+    $debug_cmd
+
+    func_arith_result=$(( $* ))
+  }'
+else
+  func_arith ()
+  {
+    $debug_cmd
+
+    func_arith_result=`expr "$@"`
+  }
+fi
+
+
+# func_basename FILE
+# ------------------
+# Set func_basename_result to FILE with everything up to and including
+# the last / stripped.
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  # If this shell supports suffix pattern removal, then use it to avoid
+  # forking. Hide the definitions single quotes in case the shell chokes
+  # on unsupported syntax...
+  _b='func_basename_result=${1##*/}'
+  _d='case $1 in
+        */*) func_dirname_result=${1%/*}$2 ;;
+        *  ) func_dirname_result=$3        ;;
+      esac'
+
+else
+  # ...otherwise fall back to using sed.
+  _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`'
+  _d='func_dirname_result=`$ECHO "$1"  |$SED "$sed_dirname"`
+      if test "X$func_dirname_result" = "X$1"; then
+        func_dirname_result=$3
+      else
+        func_append func_dirname_result "$2"
+      fi'
+fi
+
+eval 'func_basename ()
+{
+    $debug_cmd
+
+    '"$_b"'
+}'
+
+
+# func_dirname FILE APPEND NONDIR_REPLACEMENT
+# -------------------------------------------
 # Compute the dirname of FILE.  If nonempty, add APPEND to the result,
 # otherwise set result to NONDIR_REPLACEMENT.
-func_dirname ()
+eval 'func_dirname ()
 {
-    func_dirname_result=`$ECHO "${1}" | $SED "$dirname"`
-    if test "X$func_dirname_result" = "X${1}"; then
-      func_dirname_result="${3}"
-    else
-      func_dirname_result="$func_dirname_result${2}"
-    fi
-} # func_dirname may be replaced by extended shell implementation
+    $debug_cmd
+
+    '"$_d"'
+}'
 
 
-# func_basename file
-func_basename ()
-{
-    func_basename_result=`$ECHO "${1}" | $SED "$basename"`
-} # func_basename may be replaced by extended shell implementation
-
-
-# func_dirname_and_basename file append nondir_replacement
-# perform func_basename and func_dirname in a single function
+# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT
+# --------------------------------------------------------
+# Perform func_basename and func_dirname in a single function
 # call:
 #   dirname:  Compute the dirname of FILE.  If nonempty,
 #             add APPEND to the result, otherwise set result
@@ -190,263 +697,327 @@
 #             value returned in "$func_dirname_result"
 #   basename: Compute filename of FILE.
 #             value retuned in "$func_basename_result"
-# Implementation must be kept synchronized with func_dirname
-# and func_basename. For efficiency, we do not delegate to
-# those functions but instead duplicate the functionality here.
-func_dirname_and_basename ()
+# For efficiency, we do not delegate to the functions above but instead
+# duplicate the functionality here.
+eval 'func_dirname_and_basename ()
 {
-    # Extract subdirectory from the argument.
-    func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"`
-    if test "X$func_dirname_result" = "X${1}"; then
-      func_dirname_result="${3}"
-    else
-      func_dirname_result="$func_dirname_result${2}"
+    $debug_cmd
+
+    '"$_b"'
+    '"$_d"'
+}'
+
+
+# func_echo ARG...
+# ----------------
+# Echo program name prefixed message.
+func_echo ()
+{
+    $debug_cmd
+
+    _G_message=$*
+
+    func_echo_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_IFS
+      $ECHO "$progname: $_G_line"
+    done
+    IFS=$func_echo_IFS
+}
+
+
+# func_echo_all ARG...
+# --------------------
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+
+# func_echo_infix_1 INFIX ARG...
+# ------------------------------
+# Echo program name, followed by INFIX on the first line, with any
+# additional lines not showing INFIX.
+func_echo_infix_1 ()
+{
+    $debug_cmd
+
+    $require_term_colors
+
+    _G_infix=$1; shift
+    _G_indent=$_G_infix
+    _G_prefix="$progname: $_G_infix: "
+    _G_message=$*
+
+    # Strip color escape sequences before counting printable length
+    for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan"
+    do
+      test -n "$_G_tc" && {
+        _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"`
+        _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"`
+      }
+    done
+    _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`"  " ## exclude from sc_prohibit_nested_quotes
+
+    func_echo_infix_1_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_infix_1_IFS
+      $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2
+      _G_prefix=$_G_indent
+    done
+    IFS=$func_echo_infix_1_IFS
+}
+
+
+# func_error ARG...
+# -----------------
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+    $debug_cmd
+
+    $require_term_colors
+
+    func_echo_infix_1 "  $tc_standout${tc_red}error$tc_reset" "$*" >&2
+}
+
+
+# func_fatal_error ARG...
+# -----------------------
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+    $debug_cmd
+
+    func_error "$*"
+    exit $EXIT_FAILURE
+}
+
+
+# func_grep EXPRESSION FILENAME
+# -----------------------------
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+    $debug_cmd
+
+    $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_len STRING
+# ---------------
+# Set func_len_result to the length of STRING. STRING may not
+# start with a hyphen.
+  test -z "$_G_HAVE_XSI_OPS" \
+    && (eval 'x=a/b/c;
+      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
+    && _G_HAVE_XSI_OPS=yes
+
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_len ()
+  {
+    $debug_cmd
+
+    func_len_result=${#1}
+  }'
+else
+  func_len ()
+  {
+    $debug_cmd
+
+    func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len`
+  }
+fi
+
+
+# func_mkdir_p DIRECTORY-PATH
+# ---------------------------
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+    $debug_cmd
+
+    _G_directory_path=$1
+    _G_dir_list=
+
+    if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then
+
+      # Protect directory names starting with '-'
+      case $_G_directory_path in
+        -*) _G_directory_path=./$_G_directory_path ;;
+      esac
+
+      # While some portion of DIR does not yet exist...
+      while test ! -d "$_G_directory_path"; do
+        # ...make a list in topmost first order.  Use a colon delimited
+	# list incase some portion of path contains whitespace.
+        _G_dir_list=$_G_directory_path:$_G_dir_list
+
+        # If the last portion added has no slash in it, the list is done
+        case $_G_directory_path in */*) ;; *) break ;; esac
+
+        # ...otherwise throw away the child directory and loop
+        _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"`
+      done
+      _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'`
+
+      func_mkdir_p_IFS=$IFS; IFS=:
+      for _G_dir in $_G_dir_list; do
+	IFS=$func_mkdir_p_IFS
+        # mkdir can fail with a 'File exist' error if two processes
+        # try to create one of the directories concurrently.  Don't
+        # stop in that case!
+        $MKDIR "$_G_dir" 2>/dev/null || :
+      done
+      IFS=$func_mkdir_p_IFS
+
+      # Bail out if we (or some other process) failed to create a directory.
+      test -d "$_G_directory_path" || \
+        func_fatal_error "Failed to create '$1'"
     fi
-    func_basename_result=`$ECHO "${1}" | $SED -e "$basename"`
-} # func_dirname_and_basename may be replaced by extended shell implementation
+}
 
 
-# func_stripname prefix suffix name
-# strip PREFIX and SUFFIX off of NAME.
-# PREFIX and SUFFIX must not contain globbing or regex special
-# characters, hashes, percent signs, but SUFFIX may contain a leading
-# dot (in which case that matches only a dot).
-# func_strip_suffix prefix name
-func_stripname ()
+# func_mktempdir [BASENAME]
+# -------------------------
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible.  If
+# given, BASENAME is the basename for that directory.
+func_mktempdir ()
 {
-    case ${2} in
-      .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;;
-      *)  func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;;
-    esac
-} # func_stripname may be replaced by extended shell implementation
+    $debug_cmd
 
+    _G_template=${TMPDIR-/tmp}/${1-$progname}
 
-# These SED scripts presuppose an absolute path with a trailing slash.
-pathcar='s,^/\([^/]*\).*$,\1,'
-pathcdr='s,^/[^/]*,,'
-removedotparts=':dotsl
-		s@/\./@/@g
-		t dotsl
-		s,/\.$,/,'
-collapseslashes='s@/\{1,\}@/@g'
-finalslash='s,/*$,/,'
+    if test : = "$opt_dry_run"; then
+      # Return a directory name, but don't create it in dry-run mode
+      _G_tmpdir=$_G_template-$$
+    else
+
+      # If mktemp works, use that first and foremost
+      _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null`
+
+      if test ! -d "$_G_tmpdir"; then
+        # Failing that, at least try and use $RANDOM to avoid a race
+        _G_tmpdir=$_G_template-${RANDOM-0}$$
+
+        func_mktempdir_umask=`umask`
+        umask 0077
+        $MKDIR "$_G_tmpdir"
+        umask $func_mktempdir_umask
+      fi
+
+      # If we're not in dry-run mode, bomb out on failure
+      test -d "$_G_tmpdir" || \
+        func_fatal_error "cannot create temporary directory '$_G_tmpdir'"
+    fi
+
+    $ECHO "$_G_tmpdir"
+}
+
 
 # func_normal_abspath PATH
+# ------------------------
 # Remove doubled-up and trailing slashes, "." path components,
 # and cancel out any ".." path components in PATH after making
 # it an absolute path.
-#             value returned in "$func_normal_abspath_result"
 func_normal_abspath ()
 {
-  # Start from root dir and reassemble the path.
-  func_normal_abspath_result=
-  func_normal_abspath_tpath=$1
-  func_normal_abspath_altnamespace=
-  case $func_normal_abspath_tpath in
-    "")
-      # Empty path, that just means $cwd.
-      func_stripname '' '/' "`pwd`"
-      func_normal_abspath_result=$func_stripname_result
-      return
-    ;;
-    # The next three entries are used to spot a run of precisely
-    # two leading slashes without using negated character classes;
-    # we take advantage of case's first-match behaviour.
-    ///*)
-      # Unusual form of absolute path, do nothing.
-    ;;
-    //*)
-      # Not necessarily an ordinary path; POSIX reserves leading '//'
-      # and for example Cygwin uses it to access remote file shares
-      # over CIFS/SMB, so we conserve a leading double slash if found.
-      func_normal_abspath_altnamespace=/
-    ;;
-    /*)
-      # Absolute path, do nothing.
-    ;;
-    *)
-      # Relative path, prepend $cwd.
-      func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
-    ;;
-  esac
-  # Cancel out all the simple stuff to save iterations.  We also want
-  # the path to end with a slash for ease of parsing, so make sure
-  # there is one (and only one) here.
-  func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
-        -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
-  while :; do
-    # Processed it all yet?
-    if test "$func_normal_abspath_tpath" = / ; then
-      # If we ascended to the root using ".." the result may be empty now.
-      if test -z "$func_normal_abspath_result" ; then
-        func_normal_abspath_result=/
-      fi
-      break
-    fi
-    func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
-        -e "$pathcar"`
-    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
-        -e "$pathcdr"`
-    # Figure out what to do with it
-    case $func_normal_abspath_tcomponent in
+    $debug_cmd
+
+    # These SED scripts presuppose an absolute path with a trailing slash.
+    _G_pathcar='s|^/\([^/]*\).*$|\1|'
+    _G_pathcdr='s|^/[^/]*||'
+    _G_removedotparts=':dotsl
+		s|/\./|/|g
+		t dotsl
+		s|/\.$|/|'
+    _G_collapseslashes='s|/\{1,\}|/|g'
+    _G_finalslash='s|/*$|/|'
+
+    # Start from root dir and reassemble the path.
+    func_normal_abspath_result=
+    func_normal_abspath_tpath=$1
+    func_normal_abspath_altnamespace=
+    case $func_normal_abspath_tpath in
       "")
-        # Trailing empty path component, ignore it.
-      ;;
-      ..)
-        # Parent dir; strip last assembled component from result.
-        func_dirname "$func_normal_abspath_result"
-        func_normal_abspath_result=$func_dirname_result
-      ;;
-      *)
-        # Actual path component, append it.
-        func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent
-      ;;
-    esac
-  done
-  # Restore leading double-slash if one was found on entry.
-  func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
-}
-
-# func_relative_path SRCDIR DSTDIR
-# generates a relative path from SRCDIR to DSTDIR, with a trailing
-# slash if non-empty, suitable for immediately appending a filename
-# without needing to append a separator.
-#             value returned in "$func_relative_path_result"
-func_relative_path ()
-{
-  func_relative_path_result=
-  func_normal_abspath "$1"
-  func_relative_path_tlibdir=$func_normal_abspath_result
-  func_normal_abspath "$2"
-  func_relative_path_tbindir=$func_normal_abspath_result
-
-  # Ascend the tree starting from libdir
-  while :; do
-    # check if we have found a prefix of bindir
-    case $func_relative_path_tbindir in
-      $func_relative_path_tlibdir)
-        # found an exact match
-        func_relative_path_tcancelled=
-        break
+        # Empty path, that just means $cwd.
+        func_stripname '' '/' "`pwd`"
+        func_normal_abspath_result=$func_stripname_result
+        return
         ;;
-      $func_relative_path_tlibdir*)
-        # found a matching prefix
-        func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
-        func_relative_path_tcancelled=$func_stripname_result
-        if test -z "$func_relative_path_result"; then
-          func_relative_path_result=.
-        fi
-        break
+      # The next three entries are used to spot a run of precisely
+      # two leading slashes without using negated character classes;
+      # we take advantage of case's first-match behaviour.
+      ///*)
+        # Unusual form of absolute path, do nothing.
+        ;;
+      //*)
+        # Not necessarily an ordinary path; POSIX reserves leading '//'
+        # and for example Cygwin uses it to access remote file shares
+        # over CIFS/SMB, so we conserve a leading double slash if found.
+        func_normal_abspath_altnamespace=/
+        ;;
+      /*)
+        # Absolute path, do nothing.
         ;;
       *)
-        func_dirname $func_relative_path_tlibdir
-        func_relative_path_tlibdir=${func_dirname_result}
-        if test "x$func_relative_path_tlibdir" = x ; then
-          # Have to descend all the way to the root!
-          func_relative_path_result=../$func_relative_path_result
-          func_relative_path_tcancelled=$func_relative_path_tbindir
-          break
-        fi
-        func_relative_path_result=../$func_relative_path_result
+        # Relative path, prepend $cwd.
+        func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
         ;;
     esac
-  done
 
-  # Now calculate path; take care to avoid doubling-up slashes.
-  func_stripname '' '/' "$func_relative_path_result"
-  func_relative_path_result=$func_stripname_result
-  func_stripname '/' '/' "$func_relative_path_tcancelled"
-  if test "x$func_stripname_result" != x ; then
-    func_relative_path_result=${func_relative_path_result}/${func_stripname_result}
-  fi
-
-  # Normalisation. If bindir is libdir, return empty string,
-  # else relative path ending with a slash; either way, target
-  # file name can be directly appended.
-  if test ! -z "$func_relative_path_result"; then
-    func_stripname './' '' "$func_relative_path_result/"
-    func_relative_path_result=$func_stripname_result
-  fi
+    # Cancel out all the simple stuff to save iterations.  We also want
+    # the path to end with a slash for ease of parsing, so make sure
+    # there is one (and only one) here.
+    func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"`
+    while :; do
+      # Processed it all yet?
+      if test / = "$func_normal_abspath_tpath"; then
+        # If we ascended to the root using ".." the result may be empty now.
+        if test -z "$func_normal_abspath_result"; then
+          func_normal_abspath_result=/
+        fi
+        break
+      fi
+      func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_pathcar"`
+      func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+          -e "$_G_pathcdr"`
+      # Figure out what to do with it
+      case $func_normal_abspath_tcomponent in
+        "")
+          # Trailing empty path component, ignore it.
+          ;;
+        ..)
+          # Parent dir; strip last assembled component from result.
+          func_dirname "$func_normal_abspath_result"
+          func_normal_abspath_result=$func_dirname_result
+          ;;
+        *)
+          # Actual path component, append it.
+          func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent"
+          ;;
+      esac
+    done
+    # Restore leading double-slash if one was found on entry.
+    func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
 }
 
-# The name of this program:
-func_dirname_and_basename "$progpath"
-progname=$func_basename_result
 
-# Make sure we have an absolute path for reexecution:
-case $progpath in
-  [\\/]*|[A-Za-z]:\\*) ;;
-  *[\\/]*)
-     progdir=$func_dirname_result
-     progdir=`cd "$progdir" && pwd`
-     progpath="$progdir/$progname"
-     ;;
-  *)
-     save_IFS="$IFS"
-     IFS=${PATH_SEPARATOR-:}
-     for progdir in $PATH; do
-       IFS="$save_IFS"
-       test -x "$progdir/$progname" && break
-     done
-     IFS="$save_IFS"
-     test -n "$progdir" || progdir=`pwd`
-     progpath="$progdir/$progname"
-     ;;
-esac
-
-# Sed substitution that helps us do robust quoting.  It backslashifies
-# metacharacters that are still active within double-quoted strings.
-Xsed="${SED}"' -e 1s/^X//'
-sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
-
-# Same as above, but do not quote variable references.
-double_quote_subst='s/\(["`\\]\)/\\\1/g'
-
-# Sed substitution that turns a string into a regex matching for the
-# string literally.
-sed_make_literal_regex='s,[].[^$\\*\/],\\&,g'
-
-# Sed substitution that converts a w32 file name or path
-# which contains forward slashes, into one that contains
-# (escaped) backslashes.  A very naive implementation.
-lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
-
-# Re-`\' parameter expansions in output of double_quote_subst that were
-# `\'-ed in input to the same.  If an odd number of `\' preceded a '$'
-# in input to double_quote_subst, that '$' was protected from expansion.
-# Since each input `\' is now two `\'s, look for any number of runs of
-# four `\'s followed by two `\'s and then a '$'.  `\' that '$'.
-bs='\\'
-bs2='\\\\'
-bs4='\\\\\\\\'
-dollar='\$'
-sed_double_backslash="\
-  s/$bs4/&\\
-/g
-  s/^$bs2$dollar/$bs&/
-  s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
-  s/\n//g"
-
-# Standard options:
-opt_dry_run=false
-opt_help=false
-opt_quiet=false
-opt_verbose=false
-opt_warning=:
-
-# func_echo arg...
-# Echo program name prefixed message, along with the current mode
-# name if it has been set yet.
-func_echo ()
+# func_notquiet ARG...
+# --------------------
+# Echo program name prefixed message only when not in quiet mode.
+func_notquiet ()
 {
-    $ECHO "$progname: ${opt_mode+$opt_mode: }$*"
-}
+    $debug_cmd
 
-# func_verbose arg...
-# Echo program name prefixed message in verbose mode only.
-func_verbose ()
-{
-    $opt_verbose && func_echo ${1+"$@"}
+    $opt_quiet || func_echo ${1+"$@"}
 
     # A bug in bash halts the script if the last line of a function
     # fails when set -e is in force, so we need another command to
@@ -454,450 +1025,1113 @@
     :
 }
 
-# func_echo_all arg...
-# Invoke $ECHO with all args, space-separated.
-func_echo_all ()
-{
-    $ECHO "$*"
-}
 
-# func_error arg...
-# Echo program name prefixed message to standard error.
-func_error ()
+# func_relative_path SRCDIR DSTDIR
+# --------------------------------
+# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR.
+func_relative_path ()
 {
-    $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2
-}
+    $debug_cmd
 
-# func_warning arg...
-# Echo program name prefixed warning message to standard error.
-func_warning ()
-{
-    $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2
+    func_relative_path_result=
+    func_normal_abspath "$1"
+    func_relative_path_tlibdir=$func_normal_abspath_result
+    func_normal_abspath "$2"
+    func_relative_path_tbindir=$func_normal_abspath_result
 
-    # bash bug again:
+    # Ascend the tree starting from libdir
+    while :; do
+      # check if we have found a prefix of bindir
+      case $func_relative_path_tbindir in
+        $func_relative_path_tlibdir)
+          # found an exact match
+          func_relative_path_tcancelled=
+          break
+          ;;
+        $func_relative_path_tlibdir*)
+          # found a matching prefix
+          func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+          func_relative_path_tcancelled=$func_stripname_result
+          if test -z "$func_relative_path_result"; then
+            func_relative_path_result=.
+          fi
+          break
+          ;;
+        *)
+          func_dirname $func_relative_path_tlibdir
+          func_relative_path_tlibdir=$func_dirname_result
+          if test -z "$func_relative_path_tlibdir"; then
+            # Have to descend all the way to the root!
+            func_relative_path_result=../$func_relative_path_result
+            func_relative_path_tcancelled=$func_relative_path_tbindir
+            break
+          fi
+          func_relative_path_result=../$func_relative_path_result
+          ;;
+      esac
+    done
+
+    # Now calculate path; take care to avoid doubling-up slashes.
+    func_stripname '' '/' "$func_relative_path_result"
+    func_relative_path_result=$func_stripname_result
+    func_stripname '/' '/' "$func_relative_path_tcancelled"
+    if test -n "$func_stripname_result"; then
+      func_append func_relative_path_result "/$func_stripname_result"
+    fi
+
+    # Normalisation. If bindir is libdir, return '.' else relative path.
+    if test -n "$func_relative_path_result"; then
+      func_stripname './' '' "$func_relative_path_result"
+      func_relative_path_result=$func_stripname_result
+    fi
+
+    test -n "$func_relative_path_result" || func_relative_path_result=.
+
     :
 }
 
-# func_fatal_error arg...
-# Echo program name prefixed message to standard error, and exit.
-func_fatal_error ()
-{
-    func_error ${1+"$@"}
-    exit $EXIT_FAILURE
-}
 
-# func_fatal_help arg...
-# Echo program name prefixed message to standard error, followed by
-# a help hint, and exit.
-func_fatal_help ()
-{
-    func_error ${1+"$@"}
-    func_fatal_error "$help"
-}
-help="Try \`$progname --help' for more information."  ## default
-
-
-# func_grep expression filename
-# Check whether EXPRESSION matches any line of FILENAME, without output.
-func_grep ()
-{
-    $GREP "$1" "$2" >/dev/null 2>&1
-}
-
-
-# func_mkdir_p directory-path
-# Make sure the entire path to DIRECTORY-PATH is available.
-func_mkdir_p ()
-{
-    my_directory_path="$1"
-    my_dir_list=
-
-    if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
-
-      # Protect directory names starting with `-'
-      case $my_directory_path in
-        -*) my_directory_path="./$my_directory_path" ;;
-      esac
-
-      # While some portion of DIR does not yet exist...
-      while test ! -d "$my_directory_path"; do
-        # ...make a list in topmost first order.  Use a colon delimited
-	# list incase some portion of path contains whitespace.
-        my_dir_list="$my_directory_path:$my_dir_list"
-
-        # If the last portion added has no slash in it, the list is done
-        case $my_directory_path in */*) ;; *) break ;; esac
-
-        # ...otherwise throw away the child directory and loop
-        my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"`
-      done
-      my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'`
-
-      save_mkdir_p_IFS="$IFS"; IFS=':'
-      for my_dir in $my_dir_list; do
-	IFS="$save_mkdir_p_IFS"
-        # mkdir can fail with a `File exist' error if two processes
-        # try to create one of the directories concurrently.  Don't
-        # stop in that case!
-        $MKDIR "$my_dir" 2>/dev/null || :
-      done
-      IFS="$save_mkdir_p_IFS"
-
-      # Bail out if we (or some other process) failed to create a directory.
-      test -d "$my_directory_path" || \
-        func_fatal_error "Failed to create \`$1'"
-    fi
-}
-
-
-# func_mktempdir [string]
-# Make a temporary directory that won't clash with other running
-# libtool processes, and avoids race conditions if possible.  If
-# given, STRING is the basename for that directory.
-func_mktempdir ()
-{
-    my_template="${TMPDIR-/tmp}/${1-$progname}"
-
-    if test "$opt_dry_run" = ":"; then
-      # Return a directory name, but don't create it in dry-run mode
-      my_tmpdir="${my_template}-$$"
-    else
-
-      # If mktemp works, use that first and foremost
-      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
-
-      if test ! -d "$my_tmpdir"; then
-        # Failing that, at least try and use $RANDOM to avoid a race
-        my_tmpdir="${my_template}-${RANDOM-0}$$"
-
-        save_mktempdir_umask=`umask`
-        umask 0077
-        $MKDIR "$my_tmpdir"
-        umask $save_mktempdir_umask
-      fi
-
-      # If we're not in dry-run mode, bomb out on failure
-      test -d "$my_tmpdir" || \
-        func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
-    fi
-
-    $ECHO "$my_tmpdir"
-}
-
-
-# func_quote_for_eval arg
-# Aesthetically quote ARG to be evaled later.
-# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
-# is double-quoted, suitable for a subsequent eval, whereas
-# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
-# which are still active within double quotes backslashified.
+# func_quote_for_eval ARG...
+# --------------------------
+# Aesthetically quote ARGs to be evaled later.
+# This function returns two values:
+#   i) func_quote_for_eval_result
+#      double-quoted, suitable for a subsequent eval
+#  ii) func_quote_for_eval_unquoted_result
+#      has all characters that are still active within double
+#      quotes backslashified.
 func_quote_for_eval ()
 {
-    case $1 in
-      *[\\\`\"\$]*)
-	func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;;
-      *)
-        func_quote_for_eval_unquoted_result="$1" ;;
-    esac
+    $debug_cmd
 
-    case $func_quote_for_eval_unquoted_result in
-      # Double-quote args containing shell metacharacters to delay
-      # word splitting, command substitution and and variable
-      # expansion for a subsequent eval.
-      # Many Bourne shells cannot handle close brackets correctly
-      # in scan sets, so we specify it separately.
-      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
-        func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
-        ;;
-      *)
-        func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
-    esac
+    func_quote_for_eval_unquoted_result=
+    func_quote_for_eval_result=
+    while test 0 -lt $#; do
+      case $1 in
+        *[\\\`\"\$]*)
+	  _G_unquoted_arg=`printf '%s\n' "$1" |$SED "$sed_quote_subst"` ;;
+        *)
+          _G_unquoted_arg=$1 ;;
+      esac
+      if test -n "$func_quote_for_eval_unquoted_result"; then
+	func_append func_quote_for_eval_unquoted_result " $_G_unquoted_arg"
+      else
+        func_append func_quote_for_eval_unquoted_result "$_G_unquoted_arg"
+      fi
+
+      case $_G_unquoted_arg in
+        # Double-quote args containing shell metacharacters to delay
+        # word splitting, command substitution and variable expansion
+        # for a subsequent eval.
+        # Many Bourne shells cannot handle close brackets correctly
+        # in scan sets, so we specify it separately.
+        *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
+          _G_quoted_arg=\"$_G_unquoted_arg\"
+          ;;
+        *)
+          _G_quoted_arg=$_G_unquoted_arg
+	  ;;
+      esac
+
+      if test -n "$func_quote_for_eval_result"; then
+	func_append func_quote_for_eval_result " $_G_quoted_arg"
+      else
+        func_append func_quote_for_eval_result "$_G_quoted_arg"
+      fi
+      shift
+    done
 }
 
 
-# func_quote_for_expand arg
+# func_quote_for_expand ARG
+# -------------------------
 # Aesthetically quote ARG to be evaled later; same as above,
 # but do not quote variable references.
 func_quote_for_expand ()
 {
+    $debug_cmd
+
     case $1 in
       *[\\\`\"]*)
-	my_arg=`$ECHO "$1" | $SED \
-	    -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+	_G_arg=`$ECHO "$1" | $SED \
+	    -e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;;
       *)
-        my_arg="$1" ;;
+        _G_arg=$1 ;;
     esac
 
-    case $my_arg in
+    case $_G_arg in
       # Double-quote args containing shell metacharacters to delay
       # word splitting and command substitution for a subsequent eval.
       # Many Bourne shells cannot handle close brackets correctly
       # in scan sets, so we specify it separately.
       *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")
-        my_arg="\"$my_arg\""
+        _G_arg=\"$_G_arg\"
         ;;
     esac
 
-    func_quote_for_expand_result="$my_arg"
+    func_quote_for_expand_result=$_G_arg
 }
 
 
-# func_show_eval cmd [fail_exp]
-# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# func_stripname PREFIX SUFFIX NAME
+# ---------------------------------
+# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_stripname ()
+  {
+    $debug_cmd
+
+    # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+    # positional parameters, so assign one to ordinary variable first.
+    func_stripname_result=$3
+    func_stripname_result=${func_stripname_result#"$1"}
+    func_stripname_result=${func_stripname_result%"$2"}
+  }'
+else
+  func_stripname ()
+  {
+    $debug_cmd
+
+    case $2 in
+      .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;;
+      *)  func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;;
+    esac
+  }
+fi
+
+
+# func_show_eval CMD [FAIL_EXP]
+# -----------------------------
+# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
 # not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
 # is given, then evaluate it.
 func_show_eval ()
 {
-    my_cmd="$1"
-    my_fail_exp="${2-:}"
+    $debug_cmd
 
-    ${opt_silent-false} || {
-      func_quote_for_expand "$my_cmd"
-      eval "func_echo $func_quote_for_expand_result"
-    }
+    _G_cmd=$1
+    _G_fail_exp=${2-':'}
 
-    if ${opt_dry_run-false}; then :; else
-      eval "$my_cmd"
-      my_status=$?
-      if test "$my_status" -eq 0; then :; else
-	eval "(exit $my_status); $my_fail_exp"
+    func_quote_for_expand "$_G_cmd"
+    eval "func_notquiet $func_quote_for_expand_result"
+
+    $opt_dry_run || {
+      eval "$_G_cmd"
+      _G_status=$?
+      if test 0 -ne "$_G_status"; then
+	eval "(exit $_G_status); $_G_fail_exp"
       fi
-    fi
+    }
 }
 
 
-# func_show_eval_locale cmd [fail_exp]
-# Unless opt_silent is true, then output CMD.  Then, if opt_dryrun is
+# func_show_eval_locale CMD [FAIL_EXP]
+# ------------------------------------
+# Unless opt_quiet is true, then output CMD.  Then, if opt_dryrun is
 # not true, evaluate CMD.  If the evaluation of CMD fails, and FAIL_EXP
 # is given, then evaluate it.  Use the saved locale for evaluation.
 func_show_eval_locale ()
 {
-    my_cmd="$1"
-    my_fail_exp="${2-:}"
+    $debug_cmd
 
-    ${opt_silent-false} || {
-      func_quote_for_expand "$my_cmd"
+    _G_cmd=$1
+    _G_fail_exp=${2-':'}
+
+    $opt_quiet || {
+      func_quote_for_expand "$_G_cmd"
       eval "func_echo $func_quote_for_expand_result"
     }
 
-    if ${opt_dry_run-false}; then :; else
-      eval "$lt_user_locale
-	    $my_cmd"
-      my_status=$?
-      eval "$lt_safe_locale"
-      if test "$my_status" -eq 0; then :; else
-	eval "(exit $my_status); $my_fail_exp"
+    $opt_dry_run || {
+      eval "$_G_user_locale
+	    $_G_cmd"
+      _G_status=$?
+      eval "$_G_safe_locale"
+      if test 0 -ne "$_G_status"; then
+	eval "(exit $_G_status); $_G_fail_exp"
       fi
-    fi
+    }
 }
 
+
 # func_tr_sh
+# ----------
 # Turn $1 into a string suitable for a shell variable name.
 # Result is stored in $func_tr_sh_result.  All characters
 # not in the set a-zA-Z0-9_ are replaced with '_'. Further,
 # if $1 begins with a digit, a '_' is prepended as well.
 func_tr_sh ()
 {
-  case $1 in
-  [0-9]* | *[!a-zA-Z0-9_]*)
-    func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'`
-    ;;
-  * )
-    func_tr_sh_result=$1
-    ;;
-  esac
+    $debug_cmd
+
+    case $1 in
+    [0-9]* | *[!a-zA-Z0-9_]*)
+      func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'`
+      ;;
+    * )
+      func_tr_sh_result=$1
+      ;;
+    esac
 }
 
 
-# func_version
-# Echo version message to standard output and exit.
-func_version ()
+# func_verbose ARG...
+# -------------------
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
 {
-    $opt_debug
+    $debug_cmd
 
-    $SED -n '/(C)/!b go
-	:more
-	/\./!{
-	  N
-	  s/\n# / /
-	  b more
-	}
-	:go
-	/^# '$PROGRAM' (GNU /,/# warranty; / {
-        s/^# //
-	s/^# *$//
-        s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
-        p
-     }' < "$progpath"
-     exit $?
+    $opt_verbose && func_echo "$*"
+
+    :
 }
 
-# func_usage
-# Echo short help message to standard output and exit.
-func_usage ()
+
+# func_warn_and_continue ARG...
+# -----------------------------
+# Echo program name prefixed warning message to standard error.
+func_warn_and_continue ()
 {
-    $opt_debug
+    $debug_cmd
 
-    $SED -n '/^# Usage:/,/^#  *.*--help/ {
-        s/^# //
-	s/^# *$//
-	s/\$progname/'$progname'/
-	p
-    }' < "$progpath"
-    echo
-    $ECHO "run \`$progname --help | more' for full usage"
-    exit $?
+    $require_term_colors
+
+    func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2
 }
 
-# func_help [NOEXIT]
-# Echo long help message to standard output and exit,
-# unless 'noexit' is passed as argument.
+
+# func_warning CATEGORY ARG...
+# ----------------------------
+# Echo program name prefixed warning message to standard error. Warning
+# messages can be filtered according to CATEGORY, where this function
+# elides messages where CATEGORY is not listed in the global variable
+# 'opt_warning_types'.
+func_warning ()
+{
+    $debug_cmd
+
+    # CATEGORY must be in the warning_categories list!
+    case " $warning_categories " in
+      *" $1 "*) ;;
+      *) func_internal_error "invalid warning category '$1'" ;;
+    esac
+
+    _G_category=$1
+    shift
+
+    case " $opt_warning_types " in
+      *" $_G_category "*) $warning_func ${1+"$@"} ;;
+    esac
+}
+
+
+# func_sort_ver VER1 VER2
+# -----------------------
+# 'sort -V' is not generally available.
+# Note this deviates from the version comparison in automake
+# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a
+# but this should suffice as we won't be specifying old
+# version formats or redundant trailing .0 in bootstrap.conf.
+# If we did want full compatibility then we should probably
+# use m4_version_compare from autoconf.
+func_sort_ver ()
+{
+    $debug_cmd
+
+    printf '%s\n%s\n' "$1" "$2" \
+      | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n
+}
+
+# func_lt_ver PREV CURR
+# ---------------------
+# Return true if PREV and CURR are in the correct order according to
+# func_sort_ver, otherwise false.  Use it like this:
+#
+#  func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..."
+func_lt_ver ()
+{
+    $debug_cmd
+
+    test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q`
+}
+
+
+# Local variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC"
+# time-stamp-time-zone: "UTC"
+# End:
+#! /bin/sh
+
+# Set a version string for this script.
+scriptversion=2014-01-07.03; # UTC
+
+# A portable, pluggable option parser for Bourne shell.
+# Written by Gary V. Vaughan, 2010
+
+# Copyright (C) 2010-2015 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Please report bugs or propose patches to gary@gnu.org.
+
+
+## ------ ##
+## Usage. ##
+## ------ ##
+
+# This file is a library for parsing options in your shell scripts along
+# with assorted other useful supporting features that you can make use
+# of too.
+#
+# For the simplest scripts you might need only:
+#
+#   #!/bin/sh
+#   . relative/path/to/funclib.sh
+#   . relative/path/to/options-parser
+#   scriptversion=1.0
+#   func_options ${1+"$@"}
+#   eval set dummy "$func_options_result"; shift
+#   ...rest of your script...
+#
+# In order for the '--version' option to work, you will need to have a
+# suitably formatted comment like the one at the top of this file
+# starting with '# Written by ' and ending with '# warranty; '.
+#
+# For '-h' and '--help' to work, you will also need a one line
+# description of your script's purpose in a comment directly above the
+# '# Written by ' line, like the one at the top of this file.
+#
+# The default options also support '--debug', which will turn on shell
+# execution tracing (see the comment above debug_cmd below for another
+# use), and '--verbose' and the func_verbose function to allow your script
+# to display verbose messages only when your user has specified
+# '--verbose'.
+#
+# After sourcing this file, you can plug processing for additional
+# options by amending the variables from the 'Configuration' section
+# below, and following the instructions in the 'Option parsing'
+# section further down.
+
+## -------------- ##
+## Configuration. ##
+## -------------- ##
+
+# You should override these variables in your script after sourcing this
+# file so that they reflect the customisations you have added to the
+# option parser.
+
+# The usage line for option parsing errors and the start of '-h' and
+# '--help' output messages. You can embed shell variables for delayed
+# expansion at the time the message is displayed, but you will need to
+# quote other shell meta-characters carefully to prevent them being
+# expanded when the contents are evaled.
+usage='$progpath [OPTION]...'
+
+# Short help message in response to '-h' and '--help'.  Add to this or
+# override it after sourcing this library to reflect the full set of
+# options your script accepts.
+usage_message="\
+       --debug        enable verbose shell tracing
+   -W, --warnings=CATEGORY
+                      report the warnings falling in CATEGORY [all]
+   -v, --verbose      verbosely report processing
+       --version      print version information and exit
+   -h, --help         print short or long help message and exit
+"
+
+# Additional text appended to 'usage_message' in response to '--help'.
+long_help_message="
+Warning categories include:
+       'all'          show all warnings
+       'none'         turn off all the warnings
+       'error'        warnings are treated as fatal errors"
+
+# Help message printed before fatal option parsing errors.
+fatal_help="Try '\$progname --help' for more information."
+
+
+
+## ------------------------- ##
+## Hook function management. ##
+## ------------------------- ##
+
+# This section contains functions for adding, removing, and running hooks
+# to the main code.  A hook is just a named list of of function, that can
+# be run in order later on.
+
+# func_hookable FUNC_NAME
+# -----------------------
+# Declare that FUNC_NAME will run hooks added with
+# 'func_add_hook FUNC_NAME ...'.
+func_hookable ()
+{
+    $debug_cmd
+
+    func_append hookable_fns " $1"
+}
+
+
+# func_add_hook FUNC_NAME HOOK_FUNC
+# ---------------------------------
+# Request that FUNC_NAME call HOOK_FUNC before it returns.  FUNC_NAME must
+# first have been declared "hookable" by a call to 'func_hookable'.
+func_add_hook ()
+{
+    $debug_cmd
+
+    case " $hookable_fns " in
+      *" $1 "*) ;;
+      *) func_fatal_error "'$1' does not accept hook functions." ;;
+    esac
+
+    eval func_append ${1}_hooks '" $2"'
+}
+
+
+# func_remove_hook FUNC_NAME HOOK_FUNC
+# ------------------------------------
+# Remove HOOK_FUNC from the list of functions called by FUNC_NAME.
+func_remove_hook ()
+{
+    $debug_cmd
+
+    eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`'
+}
+
+
+# func_run_hooks FUNC_NAME [ARG]...
+# ---------------------------------
+# Run all hook functions registered to FUNC_NAME.
+# It is assumed that the list of hook functions contains nothing more
+# than a whitespace-delimited list of legal shell function names, and
+# no effort is wasted trying to catch shell meta-characters or preserve
+# whitespace.
+func_run_hooks ()
+{
+    $debug_cmd
+
+    case " $hookable_fns " in
+      *" $1 "*) ;;
+      *) func_fatal_error "'$1' does not support hook funcions.n" ;;
+    esac
+
+    eval _G_hook_fns=\$$1_hooks; shift
+
+    for _G_hook in $_G_hook_fns; do
+      eval $_G_hook '"$@"'
+
+      # store returned options list back into positional
+      # parameters for next 'cmd' execution.
+      eval _G_hook_result=\$${_G_hook}_result
+      eval set dummy "$_G_hook_result"; shift
+    done
+
+    func_quote_for_eval ${1+"$@"}
+    func_run_hooks_result=$func_quote_for_eval_result
+}
+
+
+
+## --------------- ##
+## Option parsing. ##
+## --------------- ##
+
+# In order to add your own option parsing hooks, you must accept the
+# full positional parameter list in your hook function, remove any
+# options that you action, and then pass back the remaining unprocessed
+# options in '<hooked_function_name>_result', escaped suitably for
+# 'eval'.  Like this:
+#
+#    my_options_prep ()
+#    {
+#        $debug_cmd
+#
+#        # Extend the existing usage message.
+#        usage_message=$usage_message'
+#      -s, --silent       don'\''t print informational messages
+#    '
+#
+#        func_quote_for_eval ${1+"$@"}
+#        my_options_prep_result=$func_quote_for_eval_result
+#    }
+#    func_add_hook func_options_prep my_options_prep
+#
+#
+#    my_silent_option ()
+#    {
+#        $debug_cmd
+#
+#        # Note that for efficiency, we parse as many options as we can
+#        # recognise in a loop before passing the remainder back to the
+#        # caller on the first unrecognised argument we encounter.
+#        while test $# -gt 0; do
+#          opt=$1; shift
+#          case $opt in
+#            --silent|-s) opt_silent=: ;;
+#            # Separate non-argument short options:
+#            -s*)         func_split_short_opt "$_G_opt"
+#                         set dummy "$func_split_short_opt_name" \
+#                             "-$func_split_short_opt_arg" ${1+"$@"}
+#                         shift
+#                         ;;
+#            *)            set dummy "$_G_opt" "$*"; shift; break ;;
+#          esac
+#        done
+#
+#        func_quote_for_eval ${1+"$@"}
+#        my_silent_option_result=$func_quote_for_eval_result
+#    }
+#    func_add_hook func_parse_options my_silent_option
+#
+#
+#    my_option_validation ()
+#    {
+#        $debug_cmd
+#
+#        $opt_silent && $opt_verbose && func_fatal_help "\
+#    '--silent' and '--verbose' options are mutually exclusive."
+#
+#        func_quote_for_eval ${1+"$@"}
+#        my_option_validation_result=$func_quote_for_eval_result
+#    }
+#    func_add_hook func_validate_options my_option_validation
+#
+# You'll alse need to manually amend $usage_message to reflect the extra
+# options you parse.  It's preferable to append if you can, so that
+# multiple option parsing hooks can be added safely.
+
+
+# func_options [ARG]...
+# ---------------------
+# All the functions called inside func_options are hookable. See the
+# individual implementations for details.
+func_hookable func_options
+func_options ()
+{
+    $debug_cmd
+
+    func_options_prep ${1+"$@"}
+    eval func_parse_options \
+        ${func_options_prep_result+"$func_options_prep_result"}
+    eval func_validate_options \
+        ${func_parse_options_result+"$func_parse_options_result"}
+
+    eval func_run_hooks func_options \
+        ${func_validate_options_result+"$func_validate_options_result"}
+
+    # save modified positional parameters for caller
+    func_options_result=$func_run_hooks_result
+}
+
+
+# func_options_prep [ARG]...
+# --------------------------
+# All initialisations required before starting the option parse loop.
+# Note that when calling hook functions, we pass through the list of
+# positional parameters.  If a hook function modifies that list, and
+# needs to propogate that back to rest of this script, then the complete
+# modified list must be put in 'func_run_hooks_result' before
+# returning.
+func_hookable func_options_prep
+func_options_prep ()
+{
+    $debug_cmd
+
+    # Option defaults:
+    opt_verbose=false
+    opt_warning_types=
+
+    func_run_hooks func_options_prep ${1+"$@"}
+
+    # save modified positional parameters for caller
+    func_options_prep_result=$func_run_hooks_result
+}
+
+
+# func_parse_options [ARG]...
+# ---------------------------
+# The main option parsing loop.
+func_hookable func_parse_options
+func_parse_options ()
+{
+    $debug_cmd
+
+    func_parse_options_result=
+
+    # this just eases exit handling
+    while test $# -gt 0; do
+      # Defer to hook functions for initial option parsing, so they
+      # get priority in the event of reusing an option name.
+      func_run_hooks func_parse_options ${1+"$@"}
+
+      # Adjust func_parse_options positional parameters to match
+      eval set dummy "$func_run_hooks_result"; shift
+
+      # Break out of the loop if we already parsed every option.
+      test $# -gt 0 || break
+
+      _G_opt=$1
+      shift
+      case $_G_opt in
+        --debug|-x)   debug_cmd='set -x'
+                      func_echo "enabling shell trace mode"
+                      $debug_cmd
+                      ;;
+
+        --no-warnings|--no-warning|--no-warn)
+                      set dummy --warnings none ${1+"$@"}
+                      shift
+		      ;;
+
+        --warnings|--warning|-W)
+                      test $# = 0 && func_missing_arg $_G_opt && break
+                      case " $warning_categories $1" in
+                        *" $1 "*)
+                          # trailing space prevents matching last $1 above
+                          func_append_uniq opt_warning_types " $1"
+                          ;;
+                        *all)
+                          opt_warning_types=$warning_categories
+                          ;;
+                        *none)
+                          opt_warning_types=none
+                          warning_func=:
+                          ;;
+                        *error)
+                          opt_warning_types=$warning_categories
+                          warning_func=func_fatal_error
+                          ;;
+                        *)
+                          func_fatal_error \
+                             "unsupported warning category: '$1'"
+                          ;;
+                      esac
+                      shift
+                      ;;
+
+        --verbose|-v) opt_verbose=: ;;
+        --version)    func_version ;;
+        -\?|-h)       func_usage ;;
+        --help)       func_help ;;
+
+	# Separate optargs to long options (plugins may need this):
+	--*=*)        func_split_equals "$_G_opt"
+	              set dummy "$func_split_equals_lhs" \
+                          "$func_split_equals_rhs" ${1+"$@"}
+                      shift
+                      ;;
+
+       # Separate optargs to short options:
+        -W*)
+                      func_split_short_opt "$_G_opt"
+                      set dummy "$func_split_short_opt_name" \
+                          "$func_split_short_opt_arg" ${1+"$@"}
+                      shift
+                      ;;
+
+        # Separate non-argument short options:
+        -\?*|-h*|-v*|-x*)
+                      func_split_short_opt "$_G_opt"
+                      set dummy "$func_split_short_opt_name" \
+                          "-$func_split_short_opt_arg" ${1+"$@"}
+                      shift
+                      ;;
+
+        --)           break ;;
+        -*)           func_fatal_help "unrecognised option: '$_G_opt'" ;;
+        *)            set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
+      esac
+    done
+
+    # save modified positional parameters for caller
+    func_quote_for_eval ${1+"$@"}
+    func_parse_options_result=$func_quote_for_eval_result
+}
+
+
+# func_validate_options [ARG]...
+# ------------------------------
+# Perform any sanity checks on option settings and/or unconsumed
+# arguments.
+func_hookable func_validate_options
+func_validate_options ()
+{
+    $debug_cmd
+
+    # Display all warnings if -W was not given.
+    test -n "$opt_warning_types" || opt_warning_types=" $warning_categories"
+
+    func_run_hooks func_validate_options ${1+"$@"}
+
+    # Bail if the options were screwed!
+    $exit_cmd $EXIT_FAILURE
+
+    # save modified positional parameters for caller
+    func_validate_options_result=$func_run_hooks_result
+}
+
+
+
+## ----------------- ##
+## Helper functions. ##
+## ----------------- ##
+
+# This section contains the helper functions used by the rest of the
+# hookable option parser framework in ascii-betical order.
+
+
+# func_fatal_help ARG...
+# ----------------------
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+    $debug_cmd
+
+    eval \$ECHO \""Usage: $usage"\"
+    eval \$ECHO \""$fatal_help"\"
+    func_error ${1+"$@"}
+    exit $EXIT_FAILURE
+}
+
+
+# func_help
+# ---------
+# Echo long help message to standard output and exit.
 func_help ()
 {
-    $opt_debug
+    $debug_cmd
 
-    $SED -n '/^# Usage:/,/# Report bugs to/ {
-	:print
-        s/^# //
-	s/^# *$//
-	s*\$progname*'$progname'*
-	s*\$host*'"$host"'*
-	s*\$SHELL*'"$SHELL"'*
-	s*\$LTCC*'"$LTCC"'*
-	s*\$LTCFLAGS*'"$LTCFLAGS"'*
-	s*\$LD*'"$LD"'*
-	s/\$with_gnu_ld/'"$with_gnu_ld"'/
-	s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
-	s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
-	p
-	d
-     }
-     /^# .* home page:/b print
-     /^# General help using/b print
-     ' < "$progpath"
-    ret=$?
-    if test -z "$1"; then
-      exit $ret
-    fi
+    func_usage_message
+    $ECHO "$long_help_message"
+    exit 0
 }
 
-# func_missing_arg argname
+
+# func_missing_arg ARGNAME
+# ------------------------
 # Echo program name prefixed message to standard error and set global
 # exit_cmd.
 func_missing_arg ()
 {
-    $opt_debug
+    $debug_cmd
 
-    func_error "missing argument for $1."
+    func_error "Missing argument for '$1'."
     exit_cmd=exit
 }
 
 
-# func_split_short_opt shortopt
+# func_split_equals STRING
+# ------------------------
+# Set func_split_equals_lhs and func_split_equals_rhs shell variables after
+# splitting STRING at the '=' sign.
+test -z "$_G_HAVE_XSI_OPS" \
+    && (eval 'x=a/b/c;
+      test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \
+    && _G_HAVE_XSI_OPS=yes
+
+if test yes = "$_G_HAVE_XSI_OPS"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_split_equals ()
+  {
+      $debug_cmd
+
+      func_split_equals_lhs=${1%%=*}
+      func_split_equals_rhs=${1#*=}
+      test "x$func_split_equals_lhs" = "x$1" \
+        && func_split_equals_rhs=
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_split_equals ()
+  {
+      $debug_cmd
+
+      func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'`
+      func_split_equals_rhs=
+      test "x$func_split_equals_lhs" = "x$1" \
+        || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'`
+  }
+fi #func_split_equals
+
+
+# func_split_short_opt SHORTOPT
+# -----------------------------
 # Set func_split_short_opt_name and func_split_short_opt_arg shell
 # variables after splitting SHORTOPT after the 2nd character.
-func_split_short_opt ()
+if test yes = "$_G_HAVE_XSI_OPS"
+then
+  # This is an XSI compatible shell, allowing a faster implementation...
+  eval 'func_split_short_opt ()
+  {
+      $debug_cmd
+
+      func_split_short_opt_arg=${1#??}
+      func_split_short_opt_name=${1%"$func_split_short_opt_arg"}
+  }'
+else
+  # ...otherwise fall back to using expr, which is often a shell builtin.
+  func_split_short_opt ()
+  {
+      $debug_cmd
+
+      func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'`
+      func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'`
+  }
+fi #func_split_short_opt
+
+
+# func_usage
+# ----------
+# Echo short help message to standard output and exit.
+func_usage ()
 {
-    my_sed_short_opt='1s/^\(..\).*$/\1/;q'
-    my_sed_short_rest='1s/^..\(.*\)$/\1/;q'
+    $debug_cmd
 
-    func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"`
-    func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"`
-} # func_split_short_opt may be replaced by extended shell implementation
+    func_usage_message
+    $ECHO "Run '$progname --help |${PAGER-more}' for full usage"
+    exit 0
+}
 
 
-# func_split_long_opt longopt
-# Set func_split_long_opt_name and func_split_long_opt_arg shell
-# variables after splitting LONGOPT at the `=' sign.
-func_split_long_opt ()
+# func_usage_message
+# ------------------
+# Echo short help message to standard output.
+func_usage_message ()
 {
-    my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
-    my_sed_long_arg='1s/^--[^=]*=//'
+    $debug_cmd
 
-    func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"`
-    func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"`
-} # func_split_long_opt may be replaced by extended shell implementation
-
-exit_cmd=:
+    eval \$ECHO \""Usage: $usage"\"
+    echo
+    $SED -n 's|^# ||
+        /^Written by/{
+          x;p;x
+        }
+	h
+	/^Written by/q' < "$progpath"
+    echo
+    eval \$ECHO \""$usage_message"\"
+}
 
 
-
-
-
-magic="%%%MAGIC variable%%%"
-magic_exe="%%%MAGIC EXE variable%%%"
-
-# Global variables.
-nonopt=
-preserve_args=
-lo2o="s/\\.lo\$/.${objext}/"
-o2lo="s/\\.${objext}\$/.lo/"
-extracted_archives=
-extracted_serial=0
-
-# If this variable is set in any of the actions, the command in it
-# will be execed at the end.  This prevents here-documents from being
-# left over by shells.
-exec_cmd=
-
-# func_append var value
-# Append VALUE to the end of shell variable VAR.
-func_append ()
+# func_version
+# ------------
+# Echo version message to standard output and exit.
+func_version ()
 {
-    eval "${1}=\$${1}\${2}"
-} # func_append may be replaced by extended shell implementation
+    $debug_cmd
 
-# func_append_quoted var value
-# Quote VALUE and append to the end of shell variable VAR, separated
-# by a space.
-func_append_quoted ()
+    printf '%s\n' "$progname $scriptversion"
+    $SED -n '
+        /(C)/!b go
+        :more
+        /\./!{
+          N
+          s|\n# | |
+          b more
+        }
+        :go
+        /^# Written by /,/# warranty; / {
+          s|^# ||
+          s|^# *$||
+          s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2|
+          p
+        }
+        /^# Written by / {
+          s|^# ||
+          p
+        }
+        /^warranty; /q' < "$progpath"
+
+    exit $?
+}
+
+
+# Local variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC"
+# time-stamp-time-zone: "UTC"
+# End:
+
+# Set a version string.
+scriptversion='(GNU libtool) 2.4.6'
+
+
+# func_echo ARG...
+# ----------------
+# Libtool also displays the current mode in messages, so override
+# funclib.sh func_echo with this custom definition.
+func_echo ()
 {
-    func_quote_for_eval "${2}"
-    eval "${1}=\$${1}\\ \$func_quote_for_eval_result"
-} # func_append_quoted may be replaced by extended shell implementation
+    $debug_cmd
+
+    _G_message=$*
+
+    func_echo_IFS=$IFS
+    IFS=$nl
+    for _G_line in $_G_message; do
+      IFS=$func_echo_IFS
+      $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line"
+    done
+    IFS=$func_echo_IFS
+}
 
 
-# func_arith arithmetic-term...
-func_arith ()
+# func_warning ARG...
+# -------------------
+# Libtool warnings are not categorized, so override funclib.sh
+# func_warning with this simpler definition.
+func_warning ()
 {
-    func_arith_result=`expr "${@}"`
-} # func_arith may be replaced by extended shell implementation
+    $debug_cmd
+
+    $warning_func ${1+"$@"}
+}
 
 
-# func_len string
-# STRING may not start with a hyphen.
-func_len ()
+## ---------------- ##
+## Options parsing. ##
+## ---------------- ##
+
+# Hook in the functions to make sure our own options are parsed during
+# the option parsing loop.
+
+usage='$progpath [OPTION]... [MODE-ARG]...'
+
+# Short help message in response to '-h'.
+usage_message="Options:
+       --config             show all configuration variables
+       --debug              enable verbose shell tracing
+   -n, --dry-run            display commands without modifying any files
+       --features           display basic configuration information and exit
+       --mode=MODE          use operation mode MODE
+       --no-warnings        equivalent to '-Wnone'
+       --preserve-dup-deps  don't remove duplicate dependency libraries
+       --quiet, --silent    don't print informational messages
+       --tag=TAG            use configuration variables from tag TAG
+   -v, --verbose            print more informational messages than default
+       --version            print version information
+   -W, --warnings=CATEGORY  report the warnings falling in CATEGORY [all]
+   -h, --help, --help-all   print short, long, or detailed help message
+"
+
+# Additional text appended to 'usage_message' in response to '--help'.
+func_help ()
 {
-    func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len`
-} # func_len may be replaced by extended shell implementation
+    $debug_cmd
+
+    func_usage_message
+    $ECHO "$long_help_message
+
+MODE must be one of the following:
+
+       clean           remove files from the build directory
+       compile         compile a source file into a libtool object
+       execute         automatically set library path, then run a program
+       finish          complete the installation of libtool libraries
+       install         install libraries or executables
+       link            create a library or an executable
+       uninstall       remove libraries from an installed directory
+
+MODE-ARGS vary depending on the MODE.  When passed as first option,
+'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that.
+Try '$progname --help --mode=MODE' for a more detailed description of MODE.
+
+When reporting a bug, please describe a test case to reproduce it and
+include the following information:
+
+       host-triplet:   $host
+       shell:          $SHELL
+       compiler:       $LTCC
+       compiler flags: $LTCFLAGS
+       linker:         $LD (gnu? $with_gnu_ld)
+       version:        $progname (GNU libtool) 2.4.6
+       automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
+       autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
+
+Report bugs to <bug-libtool@gnu.org>.
+GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+General help using GNU software: <http://www.gnu.org/gethelp/>."
+    exit 0
+}
 
 
-# func_lo2o object
-func_lo2o ()
-{
-    func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"`
-} # func_lo2o may be replaced by extended shell implementation
+# func_lo2o OBJECT-NAME
+# ---------------------
+# Transform OBJECT-NAME from a '.lo' suffix to the platform specific
+# object suffix.
+
+lo2o=s/\\.lo\$/.$objext/
+o2lo=s/\\.$objext\$/.lo/
+
+if test yes = "$_G_HAVE_XSI_OPS"; then
+  eval 'func_lo2o ()
+  {
+    case $1 in
+      *.lo) func_lo2o_result=${1%.lo}.$objext ;;
+      *   ) func_lo2o_result=$1               ;;
+    esac
+  }'
+
+  # func_xform LIBOBJ-OR-SOURCE
+  # ---------------------------
+  # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise)
+  # suffix to a '.lo' libtool-object suffix.
+  eval 'func_xform ()
+  {
+    func_xform_result=${1%.*}.lo
+  }'
+else
+  # ...otherwise fall back to using sed.
+  func_lo2o ()
+  {
+    func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"`
+  }
+
+  func_xform ()
+  {
+    func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'`
+  }
+fi
 
 
-# func_xform libobj-or-source
-func_xform ()
-{
-    func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'`
-} # func_xform may be replaced by extended shell implementation
-
-
-# func_fatal_configuration arg...
+# func_fatal_configuration ARG...
+# -------------------------------
 # Echo program name prefixed message to standard error, followed by
 # a configuration failure hint, and exit.
 func_fatal_configuration ()
 {
-    func_error ${1+"$@"}
-    func_error "See the $PACKAGE documentation for more information."
-    func_fatal_error "Fatal configuration error."
+    func__fatal_error ${1+"$@"} \
+      "See the $PACKAGE documentation for more information." \
+      "Fatal configuration error."
 }
 
 
 # func_config
+# -----------
 # Display the configuration for all the tags in this script.
 func_config ()
 {
@@ -915,17 +2149,19 @@
     exit $?
 }
 
+
 # func_features
+# -------------
 # Display the features supported by this script.
 func_features ()
 {
     echo "host: $host"
-    if test "$build_libtool_libs" = yes; then
+    if test yes = "$build_libtool_libs"; then
       echo "enable shared libraries"
     else
       echo "disable shared libraries"
     fi
-    if test "$build_old_libs" = yes; then
+    if test yes = "$build_old_libs"; then
       echo "enable static libraries"
     else
       echo "disable static libraries"
@@ -934,314 +2170,350 @@
     exit $?
 }
 
-# func_enable_tag tagname
+
+# func_enable_tag TAGNAME
+# -----------------------
 # Verify that TAGNAME is valid, and either flag an error and exit, or
 # enable the TAGNAME tag.  We also add TAGNAME to the global $taglist
 # variable here.
 func_enable_tag ()
 {
-  # Global variable:
-  tagname="$1"
+    # Global variable:
+    tagname=$1
 
-  re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
-  re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
-  sed_extractcf="/$re_begincf/,/$re_endcf/p"
+    re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+    re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+    sed_extractcf=/$re_begincf/,/$re_endcf/p
 
-  # Validate tagname.
-  case $tagname in
-    *[!-_A-Za-z0-9,/]*)
-      func_fatal_error "invalid tag name: $tagname"
-      ;;
-  esac
+    # Validate tagname.
+    case $tagname in
+      *[!-_A-Za-z0-9,/]*)
+        func_fatal_error "invalid tag name: $tagname"
+        ;;
+    esac
 
-  # Don't test for the "default" C tag, as we know it's
-  # there but not specially marked.
-  case $tagname in
-    CC) ;;
+    # Don't test for the "default" C tag, as we know it's
+    # there but not specially marked.
+    case $tagname in
+        CC) ;;
     *)
-      if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
-	taglist="$taglist $tagname"
+        if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+	  taglist="$taglist $tagname"
 
-	# Evaluate the configuration.  Be careful to quote the path
-	# and the sed script, to avoid splitting on whitespace, but
-	# also don't use non-portable quotes within backquotes within
-	# quotes we have to do it in 2 steps:
-	extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
-	eval "$extractedcf"
-      else
-	func_error "ignoring unknown tag $tagname"
-      fi
-      ;;
-  esac
+	  # Evaluate the configuration.  Be careful to quote the path
+	  # and the sed script, to avoid splitting on whitespace, but
+	  # also don't use non-portable quotes within backquotes within
+	  # quotes we have to do it in 2 steps:
+	  extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+	  eval "$extractedcf"
+        else
+	  func_error "ignoring unknown tag $tagname"
+        fi
+        ;;
+    esac
 }
 
+
 # func_check_version_match
+# ------------------------
 # Ensure that we are using m4 macros, and libtool script from the same
 # release of libtool.
 func_check_version_match ()
 {
-  if test "$package_revision" != "$macro_revision"; then
-    if test "$VERSION" != "$macro_version"; then
-      if test -z "$macro_version"; then
-        cat >&2 <<_LT_EOF
+    if test "$package_revision" != "$macro_revision"; then
+      if test "$VERSION" != "$macro_version"; then
+        if test -z "$macro_version"; then
+          cat >&2 <<_LT_EOF
 $progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
 $progname: definition of this LT_INIT comes from an older release.
 $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
 $progname: and run autoconf again.
 _LT_EOF
-      else
-        cat >&2 <<_LT_EOF
+        else
+          cat >&2 <<_LT_EOF
 $progname: Version mismatch error.  This is $PACKAGE $VERSION, but the
 $progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
 $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
 $progname: and run autoconf again.
 _LT_EOF
-      fi
-    else
-      cat >&2 <<_LT_EOF
+        fi
+      else
+        cat >&2 <<_LT_EOF
 $progname: Version mismatch error.  This is $PACKAGE $VERSION, revision $package_revision,
 $progname: but the definition of this LT_INIT comes from revision $macro_revision.
 $progname: You should recreate aclocal.m4 with macros from revision $package_revision
 $progname: of $PACKAGE $VERSION and run autoconf again.
 _LT_EOF
-    fi
+      fi
 
-    exit $EXIT_MISMATCH
-  fi
+      exit $EXIT_MISMATCH
+    fi
 }
 
 
-# Shorthand for --mode=foo, only valid as the first argument
-case $1 in
-clean|clea|cle|cl)
-  shift; set dummy --mode clean ${1+"$@"}; shift
-  ;;
-compile|compil|compi|comp|com|co|c)
-  shift; set dummy --mode compile ${1+"$@"}; shift
-  ;;
-execute|execut|execu|exec|exe|ex|e)
-  shift; set dummy --mode execute ${1+"$@"}; shift
-  ;;
-finish|finis|fini|fin|fi|f)
-  shift; set dummy --mode finish ${1+"$@"}; shift
-  ;;
-install|instal|insta|inst|ins|in|i)
-  shift; set dummy --mode install ${1+"$@"}; shift
-  ;;
-link|lin|li|l)
-  shift; set dummy --mode link ${1+"$@"}; shift
-  ;;
-uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
-  shift; set dummy --mode uninstall ${1+"$@"}; shift
-  ;;
-esac
-
-
-
-# Option defaults:
-opt_debug=:
-opt_dry_run=false
-opt_config=false
-opt_preserve_dup_deps=false
-opt_features=false
-opt_finish=false
-opt_help=false
-opt_help_all=false
-opt_silent=:
-opt_warning=:
-opt_verbose=:
-opt_silent=false
-opt_verbose=false
-
-
-# Parse options once, thoroughly.  This comes as soon as possible in the
-# script to make things like `--version' happen as quickly as we can.
+# libtool_options_prep [ARG]...
+# -----------------------------
+# Preparation for options parsed by libtool.
+libtool_options_prep ()
 {
-  # this just eases exit handling
-  while test $# -gt 0; do
-    opt="$1"
-    shift
-    case $opt in
-      --debug|-x)	opt_debug='set -x'
-			func_echo "enabling shell trace mode"
-			$opt_debug
-			;;
-      --dry-run|--dryrun|-n)
-			opt_dry_run=:
-			;;
-      --config)
-			opt_config=:
-func_config
-			;;
-      --dlopen|-dlopen)
-			optarg="$1"
-			opt_dlopen="${opt_dlopen+$opt_dlopen
-}$optarg"
-			shift
-			;;
-      --preserve-dup-deps)
-			opt_preserve_dup_deps=:
-			;;
-      --features)
-			opt_features=:
-func_features
-			;;
-      --finish)
-			opt_finish=:
-set dummy --mode finish ${1+"$@"}; shift
-			;;
-      --help)
-			opt_help=:
-			;;
-      --help-all)
-			opt_help_all=:
-opt_help=': help-all'
-			;;
-      --mode)
-			test $# = 0 && func_missing_arg $opt && break
-			optarg="$1"
-			opt_mode="$optarg"
-case $optarg in
-  # Valid mode arguments:
-  clean|compile|execute|finish|install|link|relink|uninstall) ;;
+    $debug_mode
 
-  # Catch anything else as an error
-  *) func_error "invalid argument for $opt"
-     exit_cmd=exit
-     break
-     ;;
-esac
-			shift
-			;;
-      --no-silent|--no-quiet)
-			opt_silent=false
-func_append preserve_args " $opt"
-			;;
-      --no-warning|--no-warn)
-			opt_warning=false
-func_append preserve_args " $opt"
-			;;
-      --no-verbose)
-			opt_verbose=false
-func_append preserve_args " $opt"
-			;;
-      --silent|--quiet)
-			opt_silent=:
-func_append preserve_args " $opt"
-        opt_verbose=false
-			;;
-      --verbose|-v)
-			opt_verbose=:
-func_append preserve_args " $opt"
-opt_silent=false
-			;;
-      --tag)
-			test $# = 0 && func_missing_arg $opt && break
-			optarg="$1"
-			opt_tag="$optarg"
-func_append preserve_args " $opt $optarg"
-func_enable_tag "$optarg"
-			shift
-			;;
+    # Option defaults:
+    opt_config=false
+    opt_dlopen=
+    opt_dry_run=false
+    opt_help=false
+    opt_mode=
+    opt_preserve_dup_deps=false
+    opt_quiet=false
 
-      -\?|-h)		func_usage				;;
-      --help)		func_help				;;
-      --version)	func_version				;;
+    nonopt=
+    preserve_args=
 
-      # Separate optargs to long options:
-      --*=*)
-			func_split_long_opt "$opt"
-			set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"}
-			shift
-			;;
-
-      # Separate non-argument short options:
-      -\?*|-h*|-n*|-v*)
-			func_split_short_opt "$opt"
-			set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"}
-			shift
-			;;
-
-      --)		break					;;
-      -*)		func_fatal_help "unrecognized option \`$opt'" ;;
-      *)		set dummy "$opt" ${1+"$@"};	shift; break  ;;
+    # Shorthand for --mode=foo, only valid as the first argument
+    case $1 in
+    clean|clea|cle|cl)
+      shift; set dummy --mode clean ${1+"$@"}; shift
+      ;;
+    compile|compil|compi|comp|com|co|c)
+      shift; set dummy --mode compile ${1+"$@"}; shift
+      ;;
+    execute|execut|execu|exec|exe|ex|e)
+      shift; set dummy --mode execute ${1+"$@"}; shift
+      ;;
+    finish|finis|fini|fin|fi|f)
+      shift; set dummy --mode finish ${1+"$@"}; shift
+      ;;
+    install|instal|insta|inst|ins|in|i)
+      shift; set dummy --mode install ${1+"$@"}; shift
+      ;;
+    link|lin|li|l)
+      shift; set dummy --mode link ${1+"$@"}; shift
+      ;;
+    uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+      shift; set dummy --mode uninstall ${1+"$@"}; shift
+      ;;
     esac
-  done
 
-  # Validate options:
-
-  # save first non-option argument
-  if test "$#" -gt 0; then
-    nonopt="$opt"
-    shift
-  fi
-
-  # preserve --debug
-  test "$opt_debug" = : || func_append preserve_args " --debug"
-
-  case $host in
-    *cygwin* | *mingw* | *pw32* | *cegcc*)
-      # don't eliminate duplications in $postdeps and $predeps
-      opt_duplicate_compiler_generated_deps=:
-      ;;
-    *)
-      opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
-      ;;
-  esac
-
-  $opt_help || {
-    # Sanity checks first:
-    func_check_version_match
-
-    if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
-      func_fatal_configuration "not configured to build any kind of library"
-    fi
-
-    # Darwin sucks
-    eval std_shrext=\"$shrext_cmds\"
-
-    # Only execute mode is allowed to have -dlopen flags.
-    if test -n "$opt_dlopen" && test "$opt_mode" != execute; then
-      func_error "unrecognized option \`-dlopen'"
-      $ECHO "$help" 1>&2
-      exit $EXIT_FAILURE
-    fi
-
-    # Change the help message to a mode-specific one.
-    generic_help="$help"
-    help="Try \`$progname --help --mode=$opt_mode' for more information."
-  }
-
-
-  # Bail if the options were screwed
-  $exit_cmd $EXIT_FAILURE
+    # Pass back the list of options.
+    func_quote_for_eval ${1+"$@"}
+    libtool_options_prep_result=$func_quote_for_eval_result
 }
+func_add_hook func_options_prep libtool_options_prep
 
 
+# libtool_parse_options [ARG]...
+# ---------------------------------
+# Provide handling for libtool specific options.
+libtool_parse_options ()
+{
+    $debug_cmd
+
+    # Perform our own loop to consume as many options as possible in
+    # each iteration.
+    while test $# -gt 0; do
+      _G_opt=$1
+      shift
+      case $_G_opt in
+        --dry-run|--dryrun|-n)
+                        opt_dry_run=:
+                        ;;
+
+        --config)       func_config ;;
+
+        --dlopen|-dlopen)
+                        opt_dlopen="${opt_dlopen+$opt_dlopen
+}$1"
+                        shift
+                        ;;
+
+        --preserve-dup-deps)
+                        opt_preserve_dup_deps=: ;;
+
+        --features)     func_features ;;
+
+        --finish)       set dummy --mode finish ${1+"$@"}; shift ;;
+
+        --help)         opt_help=: ;;
+
+        --help-all)     opt_help=': help-all' ;;
+
+        --mode)         test $# = 0 && func_missing_arg $_G_opt && break
+                        opt_mode=$1
+                        case $1 in
+                          # Valid mode arguments:
+                          clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+                          # Catch anything else as an error
+                          *) func_error "invalid argument for $_G_opt"
+                             exit_cmd=exit
+                             break
+                             ;;
+                        esac
+                        shift
+                        ;;
+
+        --no-silent|--no-quiet)
+                        opt_quiet=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --no-warnings|--no-warning|--no-warn)
+                        opt_warning=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --no-verbose)
+                        opt_verbose=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --silent|--quiet)
+                        opt_quiet=:
+                        opt_verbose=false
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+        --tag)          test $# = 0 && func_missing_arg $_G_opt && break
+                        opt_tag=$1
+                        func_append preserve_args " $_G_opt $1"
+                        func_enable_tag "$1"
+                        shift
+                        ;;
+
+        --verbose|-v)   opt_quiet=false
+                        opt_verbose=:
+                        func_append preserve_args " $_G_opt"
+                        ;;
+
+	# An option not handled by this hook function:
+        *)		set dummy "$_G_opt" ${1+"$@"};	shift; break  ;;
+      esac
+    done
+
+
+    # save modified positional parameters for caller
+    func_quote_for_eval ${1+"$@"}
+    libtool_parse_options_result=$func_quote_for_eval_result
+}
+func_add_hook func_parse_options libtool_parse_options
+
+
+
+# libtool_validate_options [ARG]...
+# ---------------------------------
+# Perform any sanity checks on option settings and/or unconsumed
+# arguments.
+libtool_validate_options ()
+{
+    # save first non-option argument
+    if test 0 -lt $#; then
+      nonopt=$1
+      shift
+    fi
+
+    # preserve --debug
+    test : = "$debug_cmd" || func_append preserve_args " --debug"
+
+    case $host in
+      # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452
+      # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788
+      *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*)
+        # don't eliminate duplications in $postdeps and $predeps
+        opt_duplicate_compiler_generated_deps=:
+        ;;
+      *)
+        opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
+        ;;
+    esac
+
+    $opt_help || {
+      # Sanity checks first:
+      func_check_version_match
+
+      test yes != "$build_libtool_libs" \
+        && test yes != "$build_old_libs" \
+        && func_fatal_configuration "not configured to build any kind of library"
+
+      # Darwin sucks
+      eval std_shrext=\"$shrext_cmds\"
+
+      # Only execute mode is allowed to have -dlopen flags.
+      if test -n "$opt_dlopen" && test execute != "$opt_mode"; then
+        func_error "unrecognized option '-dlopen'"
+        $ECHO "$help" 1>&2
+        exit $EXIT_FAILURE
+      fi
+
+      # Change the help message to a mode-specific one.
+      generic_help=$help
+      help="Try '$progname --help --mode=$opt_mode' for more information."
+    }
+
+    # Pass back the unparsed argument list
+    func_quote_for_eval ${1+"$@"}
+    libtool_validate_options_result=$func_quote_for_eval_result
+}
+func_add_hook func_validate_options libtool_validate_options
+
+
+# Process options as early as possible so that --help and --version
+# can return quickly.
+func_options ${1+"$@"}
+eval set dummy "$func_options_result"; shift
+
 
 
 ## ----------- ##
 ##    Main.    ##
 ## ----------- ##
 
+magic='%%%MAGIC variable%%%'
+magic_exe='%%%MAGIC EXE variable%%%'
+
+# Global variables.
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end.  This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# func_generated_by_libtool
+# True iff stdin has been generated by Libtool. This function is only
+# a basic sanity check; it will hardly flush out determined imposters.
+func_generated_by_libtool_p ()
+{
+  $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
 # func_lalib_p file
-# True iff FILE is a libtool `.la' library or `.lo' object file.
+# True iff FILE is a libtool '.la' library or '.lo' object file.
 # This function is only a basic sanity check; it will hardly flush out
 # determined imposters.
 func_lalib_p ()
 {
     test -f "$1" &&
-      $SED -e 4q "$1" 2>/dev/null \
-        | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+      $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p
 }
 
 # func_lalib_unsafe_p file
-# True iff FILE is a libtool `.la' library or `.lo' object file.
+# True iff FILE is a libtool '.la' library or '.lo' object file.
 # This function implements the same check as func_lalib_p without
 # resorting to external programs.  To this end, it redirects stdin and
 # closes it afterwards, without saving the original file descriptor.
 # As a safety measure, use it only where a negative result would be
-# fatal anyway.  Works if `file' does not exist.
+# fatal anyway.  Works if 'file' does not exist.
 func_lalib_unsafe_p ()
 {
     lalib_p=no
@@ -1249,13 +2521,13 @@
 	for lalib_p_l in 1 2 3 4
 	do
 	    read lalib_p_line
-	    case "$lalib_p_line" in
+	    case $lalib_p_line in
 		\#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
 	    esac
 	done
 	exec 0<&5 5<&-
     fi
-    test "$lalib_p" = yes
+    test yes = "$lalib_p"
 }
 
 # func_ltwrapper_script_p file
@@ -1264,7 +2536,8 @@
 # determined imposters.
 func_ltwrapper_script_p ()
 {
-    func_lalib_p "$1"
+    test -f "$1" &&
+      $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p
 }
 
 # func_ltwrapper_executable_p file
@@ -1289,7 +2562,7 @@
 {
     func_dirname_and_basename "$1" "" "."
     func_stripname '' '.exe' "$func_basename_result"
-    func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+    func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper
 }
 
 # func_ltwrapper_p file
@@ -1308,11 +2581,13 @@
 # FAIL_CMD may read-access the current command in variable CMD!
 func_execute_cmds ()
 {
-    $opt_debug
+    $debug_cmd
+
     save_ifs=$IFS; IFS='~'
     for cmd in $1; do
-      IFS=$save_ifs
+      IFS=$sp$nl
       eval cmd=\"$cmd\"
+      IFS=$save_ifs
       func_show_eval "$cmd" "${2-:}"
     done
     IFS=$save_ifs
@@ -1324,10 +2599,11 @@
 # Note that it is not necessary on cygwin/mingw to append a dot to
 # FILE even if both FILE and FILE.exe exist: automatic-append-.exe
 # behavior happens only for exec(3), not for open(2)!  Also, sourcing
-# `FILE.' does not work on cygwin managed mounts.
+# 'FILE.' does not work on cygwin managed mounts.
 func_source ()
 {
-    $opt_debug
+    $debug_cmd
+
     case $1 in
     */* | *\\*)	. "$1" ;;
     *)		. "./$1" ;;
@@ -1354,10 +2630,10 @@
 # store the result into func_replace_sysroot_result.
 func_replace_sysroot ()
 {
-  case "$lt_sysroot:$1" in
+  case $lt_sysroot:$1 in
   ?*:"$lt_sysroot"*)
     func_stripname "$lt_sysroot" '' "$1"
-    func_replace_sysroot_result="=$func_stripname_result"
+    func_replace_sysroot_result='='$func_stripname_result
     ;;
   *)
     # Including no sysroot.
@@ -1374,7 +2650,8 @@
 # arg is usually of the form 'gcc ...'
 func_infer_tag ()
 {
-    $opt_debug
+    $debug_cmd
+
     if test -n "$available_tags" && test -z "$tagname"; then
       CC_quoted=
       for arg in $CC; do
@@ -1393,7 +2670,7 @@
 	for z in $available_tags; do
 	  if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
 	    # Evaluate the configuration.
-	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+	    eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
 	    CC_quoted=
 	    for arg in $CC; do
 	      # Double-quote args containing other shell metacharacters.
@@ -1418,7 +2695,7 @@
 	# line option must be used.
 	if test -z "$tagname"; then
 	  func_echo "unable to infer tagged configuration"
-	  func_fatal_error "specify a tag with \`--tag'"
+	  func_fatal_error "specify a tag with '--tag'"
 #	else
 #	  func_verbose "using $tagname tagged configuration"
 	fi
@@ -1434,15 +2711,15 @@
 # but don't create it if we're doing a dry run.
 func_write_libtool_object ()
 {
-    write_libobj=${1}
-    if test "$build_libtool_libs" = yes; then
-      write_lobj=\'${2}\'
+    write_libobj=$1
+    if test yes = "$build_libtool_libs"; then
+      write_lobj=\'$2\'
     else
       write_lobj=none
     fi
 
-    if test "$build_old_libs" = yes; then
-      write_oldobj=\'${3}\'
+    if test yes = "$build_old_libs"; then
+      write_oldobj=\'$3\'
     else
       write_oldobj=none
     fi
@@ -1450,7 +2727,7 @@
     $opt_dry_run || {
       cat >${write_libobj}T <<EOF
 # $write_libobj - a libtool object file
-# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
 #
 # Please DO NOT delete this file!
 # It is necessary for linking the library.
@@ -1462,7 +2739,7 @@
 non_pic_object=$write_oldobj
 
 EOF
-      $MV "${write_libobj}T" "${write_libobj}"
+      $MV "${write_libobj}T" "$write_libobj"
     }
 }
 
@@ -1482,8 +2759,9 @@
 # be empty on error (or when ARG is empty)
 func_convert_core_file_wine_to_w32 ()
 {
-  $opt_debug
-  func_convert_core_file_wine_to_w32_result="$1"
+  $debug_cmd
+
+  func_convert_core_file_wine_to_w32_result=$1
   if test -n "$1"; then
     # Unfortunately, winepath does not exit with a non-zero error code, so we
     # are forced to check the contents of stdout. On the other hand, if the
@@ -1491,9 +2769,9 @@
     # *an error message* to stdout. So we must check for both error code of
     # zero AND non-empty stdout, which explains the odd construction:
     func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
-    if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then
+    if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then
       func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
-        $SED -e "$lt_sed_naive_backslashify"`
+        $SED -e "$sed_naive_backslashify"`
     else
       func_convert_core_file_wine_to_w32_result=
     fi
@@ -1514,18 +2792,19 @@
 # are convertible, then the result may be empty.
 func_convert_core_path_wine_to_w32 ()
 {
-  $opt_debug
+  $debug_cmd
+
   # unfortunately, winepath doesn't convert paths, only file names
-  func_convert_core_path_wine_to_w32_result=""
+  func_convert_core_path_wine_to_w32_result=
   if test -n "$1"; then
     oldIFS=$IFS
     IFS=:
     for func_convert_core_path_wine_to_w32_f in $1; do
       IFS=$oldIFS
       func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
-      if test -n "$func_convert_core_file_wine_to_w32_result" ; then
+      if test -n "$func_convert_core_file_wine_to_w32_result"; then
         if test -z "$func_convert_core_path_wine_to_w32_result"; then
-          func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result"
+          func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result
         else
           func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
         fi
@@ -1554,7 +2833,8 @@
 # environment variable; do not put it in $PATH.
 func_cygpath ()
 {
-  $opt_debug
+  $debug_cmd
+
   if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
     func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
     if test "$?" -ne 0; then
@@ -1563,7 +2843,7 @@
     fi
   else
     func_cygpath_result=
-    func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'"
+    func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'"
   fi
 }
 #end: func_cygpath
@@ -1574,10 +2854,11 @@
 # result in func_convert_core_msys_to_w32_result.
 func_convert_core_msys_to_w32 ()
 {
-  $opt_debug
+  $debug_cmd
+
   # awkward: cmd appends spaces to result
   func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
-    $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"`
+    $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"`
 }
 #end: func_convert_core_msys_to_w32
 
@@ -1588,13 +2869,14 @@
 # func_to_host_file_result to ARG1).
 func_convert_file_check ()
 {
-  $opt_debug
-  if test -z "$2" && test -n "$1" ; then
+  $debug_cmd
+
+  if test -z "$2" && test -n "$1"; then
     func_error "Could not determine host file name corresponding to"
-    func_error "  \`$1'"
+    func_error "  '$1'"
     func_error "Continuing, but uninstalled executables may not work."
     # Fallback:
-    func_to_host_file_result="$1"
+    func_to_host_file_result=$1
   fi
 }
 # end func_convert_file_check
@@ -1606,10 +2888,11 @@
 # func_to_host_file_result to a simplistic fallback value (see below).
 func_convert_path_check ()
 {
-  $opt_debug
+  $debug_cmd
+
   if test -z "$4" && test -n "$3"; then
     func_error "Could not determine the host path corresponding to"
-    func_error "  \`$3'"
+    func_error "  '$3'"
     func_error "Continuing, but uninstalled executables may not work."
     # Fallback.  This is a deliberately simplistic "conversion" and
     # should not be "improved".  See libtool.info.
@@ -1618,7 +2901,7 @@
       func_to_host_path_result=`echo "$3" |
         $SED -e "$lt_replace_pathsep_chars"`
     else
-      func_to_host_path_result="$3"
+      func_to_host_path_result=$3
     fi
   fi
 }
@@ -1630,9 +2913,10 @@
 # and appending REPL if ORIG matches BACKPAT.
 func_convert_path_front_back_pathsep ()
 {
-  $opt_debug
+  $debug_cmd
+
   case $4 in
-  $1 ) func_to_host_path_result="$3$func_to_host_path_result"
+  $1 ) func_to_host_path_result=$3$func_to_host_path_result
     ;;
   esac
   case $4 in
@@ -1646,7 +2930,7 @@
 ##################################################
 # $build to $host FILE NAME CONVERSION FUNCTIONS #
 ##################################################
-# invoked via `$to_host_file_cmd ARG'
+# invoked via '$to_host_file_cmd ARG'
 #
 # In each case, ARG is the path to be converted from $build to $host format.
 # Result will be available in $func_to_host_file_result.
@@ -1657,7 +2941,8 @@
 # in func_to_host_file_result.
 func_to_host_file ()
 {
-  $opt_debug
+  $debug_cmd
+
   $to_host_file_cmd "$1"
 }
 # end func_to_host_file
@@ -1669,7 +2954,8 @@
 # in (the comma separated) LAZY, no conversion takes place.
 func_to_tool_file ()
 {
-  $opt_debug
+  $debug_cmd
+
   case ,$2, in
     *,"$to_tool_file_cmd",*)
       func_to_tool_file_result=$1
@@ -1687,7 +2973,7 @@
 # Copy ARG to func_to_host_file_result.
 func_convert_file_noop ()
 {
-  func_to_host_file_result="$1"
+  func_to_host_file_result=$1
 }
 # end func_convert_file_noop
 
@@ -1698,11 +2984,12 @@
 # func_to_host_file_result.
 func_convert_file_msys_to_w32 ()
 {
-  $opt_debug
-  func_to_host_file_result="$1"
+  $debug_cmd
+
+  func_to_host_file_result=$1
   if test -n "$1"; then
     func_convert_core_msys_to_w32 "$1"
-    func_to_host_file_result="$func_convert_core_msys_to_w32_result"
+    func_to_host_file_result=$func_convert_core_msys_to_w32_result
   fi
   func_convert_file_check "$1" "$func_to_host_file_result"
 }
@@ -1714,8 +3001,9 @@
 # func_to_host_file_result.
 func_convert_file_cygwin_to_w32 ()
 {
-  $opt_debug
-  func_to_host_file_result="$1"
+  $debug_cmd
+
+  func_to_host_file_result=$1
   if test -n "$1"; then
     # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
     # LT_CYGPATH in this case.
@@ -1731,11 +3019,12 @@
 # and a working winepath. Returns result in func_to_host_file_result.
 func_convert_file_nix_to_w32 ()
 {
-  $opt_debug
-  func_to_host_file_result="$1"
+  $debug_cmd
+
+  func_to_host_file_result=$1
   if test -n "$1"; then
     func_convert_core_file_wine_to_w32 "$1"
-    func_to_host_file_result="$func_convert_core_file_wine_to_w32_result"
+    func_to_host_file_result=$func_convert_core_file_wine_to_w32_result
   fi
   func_convert_file_check "$1" "$func_to_host_file_result"
 }
@@ -1747,12 +3036,13 @@
 # Returns result in func_to_host_file_result.
 func_convert_file_msys_to_cygwin ()
 {
-  $opt_debug
-  func_to_host_file_result="$1"
+  $debug_cmd
+
+  func_to_host_file_result=$1
   if test -n "$1"; then
     func_convert_core_msys_to_w32 "$1"
     func_cygpath -u "$func_convert_core_msys_to_w32_result"
-    func_to_host_file_result="$func_cygpath_result"
+    func_to_host_file_result=$func_cygpath_result
   fi
   func_convert_file_check "$1" "$func_to_host_file_result"
 }
@@ -1765,13 +3055,14 @@
 # in func_to_host_file_result.
 func_convert_file_nix_to_cygwin ()
 {
-  $opt_debug
-  func_to_host_file_result="$1"
+  $debug_cmd
+
+  func_to_host_file_result=$1
   if test -n "$1"; then
     # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
     func_convert_core_file_wine_to_w32 "$1"
     func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
-    func_to_host_file_result="$func_cygpath_result"
+    func_to_host_file_result=$func_cygpath_result
   fi
   func_convert_file_check "$1" "$func_to_host_file_result"
 }
@@ -1781,7 +3072,7 @@
 #############################################
 # $build to $host PATH CONVERSION FUNCTIONS #
 #############################################
-# invoked via `$to_host_path_cmd ARG'
+# invoked via '$to_host_path_cmd ARG'
 #
 # In each case, ARG is the path to be converted from $build to $host format.
 # The result will be available in $func_to_host_path_result.
@@ -1805,10 +3096,11 @@
 to_host_path_cmd=
 func_init_to_host_path_cmd ()
 {
-  $opt_debug
+  $debug_cmd
+
   if test -z "$to_host_path_cmd"; then
     func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
-    to_host_path_cmd="func_convert_path_${func_stripname_result}"
+    to_host_path_cmd=func_convert_path_$func_stripname_result
   fi
 }
 
@@ -1818,7 +3110,8 @@
 # in func_to_host_path_result.
 func_to_host_path ()
 {
-  $opt_debug
+  $debug_cmd
+
   func_init_to_host_path_cmd
   $to_host_path_cmd "$1"
 }
@@ -1829,7 +3122,7 @@
 # Copy ARG to func_to_host_path_result.
 func_convert_path_noop ()
 {
-  func_to_host_path_result="$1"
+  func_to_host_path_result=$1
 }
 # end func_convert_path_noop
 
@@ -1840,8 +3133,9 @@
 # func_to_host_path_result.
 func_convert_path_msys_to_w32 ()
 {
-  $opt_debug
-  func_to_host_path_result="$1"
+  $debug_cmd
+
+  func_to_host_path_result=$1
   if test -n "$1"; then
     # Remove leading and trailing path separator characters from ARG.  MSYS
     # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
@@ -1849,7 +3143,7 @@
     func_stripname : : "$1"
     func_to_host_path_tmp1=$func_stripname_result
     func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
-    func_to_host_path_result="$func_convert_core_msys_to_w32_result"
+    func_to_host_path_result=$func_convert_core_msys_to_w32_result
     func_convert_path_check : ";" \
       "$func_to_host_path_tmp1" "$func_to_host_path_result"
     func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
@@ -1863,8 +3157,9 @@
 # func_to_host_file_result.
 func_convert_path_cygwin_to_w32 ()
 {
-  $opt_debug
-  func_to_host_path_result="$1"
+  $debug_cmd
+
+  func_to_host_path_result=$1
   if test -n "$1"; then
     # See func_convert_path_msys_to_w32:
     func_stripname : : "$1"
@@ -1883,14 +3178,15 @@
 # a working winepath.  Returns result in func_to_host_file_result.
 func_convert_path_nix_to_w32 ()
 {
-  $opt_debug
-  func_to_host_path_result="$1"
+  $debug_cmd
+
+  func_to_host_path_result=$1
   if test -n "$1"; then
     # See func_convert_path_msys_to_w32:
     func_stripname : : "$1"
     func_to_host_path_tmp1=$func_stripname_result
     func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
-    func_to_host_path_result="$func_convert_core_path_wine_to_w32_result"
+    func_to_host_path_result=$func_convert_core_path_wine_to_w32_result
     func_convert_path_check : ";" \
       "$func_to_host_path_tmp1" "$func_to_host_path_result"
     func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
@@ -1904,15 +3200,16 @@
 # Returns result in func_to_host_file_result.
 func_convert_path_msys_to_cygwin ()
 {
-  $opt_debug
-  func_to_host_path_result="$1"
+  $debug_cmd
+
+  func_to_host_path_result=$1
   if test -n "$1"; then
     # See func_convert_path_msys_to_w32:
     func_stripname : : "$1"
     func_to_host_path_tmp1=$func_stripname_result
     func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
     func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
-    func_to_host_path_result="$func_cygpath_result"
+    func_to_host_path_result=$func_cygpath_result
     func_convert_path_check : : \
       "$func_to_host_path_tmp1" "$func_to_host_path_result"
     func_convert_path_front_back_pathsep ":*" "*:" : "$1"
@@ -1927,8 +3224,9 @@
 # func_to_host_file_result.
 func_convert_path_nix_to_cygwin ()
 {
-  $opt_debug
-  func_to_host_path_result="$1"
+  $debug_cmd
+
+  func_to_host_path_result=$1
   if test -n "$1"; then
     # Remove leading and trailing path separator characters from
     # ARG. msys behavior is inconsistent here, cygpath turns them
@@ -1937,7 +3235,7 @@
     func_to_host_path_tmp1=$func_stripname_result
     func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
     func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
-    func_to_host_path_result="$func_cygpath_result"
+    func_to_host_path_result=$func_cygpath_result
     func_convert_path_check : : \
       "$func_to_host_path_tmp1" "$func_to_host_path_result"
     func_convert_path_front_back_pathsep ":*" "*:" : "$1"
@@ -1946,13 +3244,31 @@
 # end func_convert_path_nix_to_cygwin
 
 
+# func_dll_def_p FILE
+# True iff FILE is a Windows DLL '.def' file.
+# Keep in sync with _LT_DLL_DEF_P in libtool.m4
+func_dll_def_p ()
+{
+  $debug_cmd
+
+  func_dll_def_p_tmp=`$SED -n \
+    -e 's/^[	 ]*//' \
+    -e '/^\(;.*\)*$/d' \
+    -e 's/^\(EXPORTS\|LIBRARY\)\([	 ].*\)*$/DEF/p' \
+    -e q \
+    "$1"`
+  test DEF = "$func_dll_def_p_tmp"
+}
+
+
 # func_mode_compile arg...
 func_mode_compile ()
 {
-    $opt_debug
+    $debug_cmd
+
     # Get the compilation command and the source file.
     base_compile=
-    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
+    srcfile=$nonopt  #  always keep a non-empty value in "srcfile"
     suppress_opt=yes
     suppress_output=
     arg_mode=normal
@@ -1965,12 +3281,12 @@
       case $arg_mode in
       arg  )
 	# do not "continue".  Instead, add this to base_compile
-	lastarg="$arg"
+	lastarg=$arg
 	arg_mode=normal
 	;;
 
       target )
-	libobj="$arg"
+	libobj=$arg
 	arg_mode=normal
 	continue
 	;;
@@ -1980,7 +3296,7 @@
 	case $arg in
 	-o)
 	  test -n "$libobj" && \
-	    func_fatal_error "you cannot specify \`-o' more than once"
+	    func_fatal_error "you cannot specify '-o' more than once"
 	  arg_mode=target
 	  continue
 	  ;;
@@ -2009,12 +3325,12 @@
 	  func_stripname '-Wc,' '' "$arg"
 	  args=$func_stripname_result
 	  lastarg=
-	  save_ifs="$IFS"; IFS=','
+	  save_ifs=$IFS; IFS=,
 	  for arg in $args; do
-	    IFS="$save_ifs"
+	    IFS=$save_ifs
 	    func_append_quoted lastarg "$arg"
 	  done
-	  IFS="$save_ifs"
+	  IFS=$save_ifs
 	  func_stripname ' ' '' "$lastarg"
 	  lastarg=$func_stripname_result
 
@@ -2027,8 +3343,8 @@
 	  # Accept the current argument as the source file.
 	  # The previous "srcfile" becomes the current argument.
 	  #
-	  lastarg="$srcfile"
-	  srcfile="$arg"
+	  lastarg=$srcfile
+	  srcfile=$arg
 	  ;;
 	esac  #  case $arg
 	;;
@@ -2043,13 +3359,13 @@
       func_fatal_error "you must specify an argument for -Xcompile"
       ;;
     target)
-      func_fatal_error "you must specify a target with \`-o'"
+      func_fatal_error "you must specify a target with '-o'"
       ;;
     *)
       # Get the name of the library object.
       test -z "$libobj" && {
 	func_basename "$srcfile"
-	libobj="$func_basename_result"
+	libobj=$func_basename_result
       }
       ;;
     esac
@@ -2069,7 +3385,7 @@
     case $libobj in
     *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
     *)
-      func_fatal_error "cannot determine name of library object from \`$libobj'"
+      func_fatal_error "cannot determine name of library object from '$libobj'"
       ;;
     esac
 
@@ -2078,8 +3394,8 @@
     for arg in $later; do
       case $arg in
       -shared)
-	test "$build_libtool_libs" != yes && \
-	  func_fatal_configuration "can not build a shared library"
+	test yes = "$build_libtool_libs" \
+	  || func_fatal_configuration "cannot build a shared library"
 	build_old_libs=no
 	continue
 	;;
@@ -2105,17 +3421,17 @@
     func_quote_for_eval "$libobj"
     test "X$libobj" != "X$func_quote_for_eval_result" \
       && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"'	 &()|`$[]' \
-      && func_warning "libobj name \`$libobj' may not contain shell special characters."
+      && func_warning "libobj name '$libobj' may not contain shell special characters."
     func_dirname_and_basename "$obj" "/" ""
-    objname="$func_basename_result"
-    xdir="$func_dirname_result"
-    lobj=${xdir}$objdir/$objname
+    objname=$func_basename_result
+    xdir=$func_dirname_result
+    lobj=$xdir$objdir/$objname
 
     test -z "$base_compile" && \
       func_fatal_help "you must specify a compilation command"
 
     # Delete any leftover library objects.
-    if test "$build_old_libs" = yes; then
+    if test yes = "$build_old_libs"; then
       removelist="$obj $lobj $libobj ${libobj}T"
     else
       removelist="$lobj $libobj ${libobj}T"
@@ -2127,16 +3443,16 @@
       pic_mode=default
       ;;
     esac
-    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+    if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then
       # non-PIC code in shared libraries is not supported
       pic_mode=default
     fi
 
     # Calculate the filename of the output object if compiler does
     # not support -o with -c
-    if test "$compiler_c_o" = no; then
-      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext}
-      lockfile="$output_obj.lock"
+    if test no = "$compiler_c_o"; then
+      output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext
+      lockfile=$output_obj.lock
     else
       output_obj=
       need_locks=no
@@ -2145,12 +3461,12 @@
 
     # Lock this critical section if it is needed
     # We use this script file to make the link, it avoids creating a new file
-    if test "$need_locks" = yes; then
+    if test yes = "$need_locks"; then
       until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
 	func_echo "Waiting for $lockfile to be removed"
 	sleep 2
       done
-    elif test "$need_locks" = warn; then
+    elif test warn = "$need_locks"; then
       if test -f "$lockfile"; then
 	$ECHO "\
 *** ERROR, $lockfile exists and contains:
@@ -2158,7 +3474,7 @@
 
 This indicates that another process is trying to use the same
 temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together.  If you
+your compiler does not support '-c' and '-o' together.  If you
 repeat this compilation, it may succeed, by chance, but you had better
 avoid parallel builds (make -j) in this platform, or get a better
 compiler."
@@ -2180,11 +3496,11 @@
     qsrcfile=$func_quote_for_eval_result
 
     # Only build a PIC object if we are building libtool libraries.
-    if test "$build_libtool_libs" = yes; then
+    if test yes = "$build_libtool_libs"; then
       # Without this assignment, base_compile gets emptied.
       fbsd_hideous_sh_bug=$base_compile
 
-      if test "$pic_mode" != no; then
+      if test no != "$pic_mode"; then
 	command="$base_compile $qsrcfile $pic_flag"
       else
 	# Don't build PIC code
@@ -2201,7 +3517,7 @@
       func_show_eval_locale "$command"	\
           'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
 
-      if test "$need_locks" = warn &&
+      if test warn = "$need_locks" &&
 	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
 	$ECHO "\
 *** ERROR, $lockfile contains:
@@ -2212,7 +3528,7 @@
 
 This indicates that another process is trying to use the same
 temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together.  If you
+your compiler does not support '-c' and '-o' together.  If you
 repeat this compilation, it may succeed, by chance, but you had better
 avoid parallel builds (make -j) in this platform, or get a better
 compiler."
@@ -2228,20 +3544,20 @@
       fi
 
       # Allow error messages only from the first compilation.
-      if test "$suppress_opt" = yes; then
+      if test yes = "$suppress_opt"; then
 	suppress_output=' >/dev/null 2>&1'
       fi
     fi
 
     # Only build a position-dependent object if we build old libraries.
-    if test "$build_old_libs" = yes; then
-      if test "$pic_mode" != yes; then
+    if test yes = "$build_old_libs"; then
+      if test yes != "$pic_mode"; then
 	# Don't build PIC code
 	command="$base_compile $qsrcfile$pie_flag"
       else
 	command="$base_compile $qsrcfile $pic_flag"
       fi
-      if test "$compiler_c_o" = yes; then
+      if test yes = "$compiler_c_o"; then
 	func_append command " -o $obj"
       fi
 
@@ -2250,7 +3566,7 @@
       func_show_eval_locale "$command" \
         '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
 
-      if test "$need_locks" = warn &&
+      if test warn = "$need_locks" &&
 	 test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
 	$ECHO "\
 *** ERROR, $lockfile contains:
@@ -2261,7 +3577,7 @@
 
 This indicates that another process is trying to use the same
 temporary object file, and libtool could not work around it because
-your compiler does not support \`-c' and \`-o' together.  If you
+your compiler does not support '-c' and '-o' together.  If you
 repeat this compilation, it may succeed, by chance, but you had better
 avoid parallel builds (make -j) in this platform, or get a better
 compiler."
@@ -2281,7 +3597,7 @@
       func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
 
       # Unlock the critical section if it was locked
-      if test "$need_locks" != no; then
+      if test no != "$need_locks"; then
 	removelist=$lockfile
         $RM "$lockfile"
       fi
@@ -2291,7 +3607,7 @@
 }
 
 $opt_help || {
-  test "$opt_mode" = compile && func_mode_compile ${1+"$@"}
+  test compile = "$opt_mode" && func_mode_compile ${1+"$@"}
 }
 
 func_mode_help ()
@@ -2311,7 +3627,7 @@
 Remove files from the build directory.
 
 RM is the name of the program to use to delete files associated with each FILE
-(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
 to RM.
 
 If FILE is a libtool library, object or program, all the files associated
@@ -2330,16 +3646,16 @@
   -no-suppress      do not suppress compiler output for multiple passes
   -prefer-pic       try to build PIC objects only
   -prefer-non-pic   try to build non-PIC objects only
-  -shared           do not build a \`.o' file suitable for static linking
-  -static           only build a \`.o' file suitable for static linking
+  -shared           do not build a '.o' file suitable for static linking
+  -static           only build a '.o' file suitable for static linking
   -Wc,FLAG          pass FLAG directly to the compiler
 
-COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+COMPILE-COMMAND is a command to be used in creating a 'standard' object file
 from the given SOURCEFILE.
 
 The output file name is determined by removing the directory component from
-SOURCEFILE, then substituting the C source code suffix \`.c' with the
-library object suffix, \`.lo'."
+SOURCEFILE, then substituting the C source code suffix '.c' with the
+library object suffix, '.lo'."
         ;;
 
       execute)
@@ -2352,7 +3668,7 @@
 
   -dlopen FILE      add the directory containing FILE to the library path
 
-This mode sets the library path environment variable according to \`-dlopen'
+This mode sets the library path environment variable according to '-dlopen'
 flags.
 
 If any of the ARGS are libtool executable wrappers, then they are translated
@@ -2371,7 +3687,7 @@
 Each LIBDIR is a directory that contains libtool libraries.
 
 The commands that this mode executes may require superuser privileges.  Use
-the \`--dry-run' option if you just want to see what would be executed."
+the '--dry-run' option if you just want to see what would be executed."
         ;;
 
       install)
@@ -2381,7 +3697,7 @@
 Install executables or libraries.
 
 INSTALL-COMMAND is the installation command.  The first component should be
-either the \`install' or \`cp' program.
+either the 'install' or 'cp' program.
 
 The following components of INSTALL-COMMAND are treated specially:
 
@@ -2407,7 +3723,7 @@
   -avoid-version    do not add a version suffix if possible
   -bindir BINDIR    specify path to binaries directory (for systems where
                     libraries must be found in the PATH setting at runtime)
-  -dlopen FILE      \`-dlpreopen' FILE if it cannot be dlopened at runtime
+  -dlopen FILE      '-dlpreopen' FILE if it cannot be dlopened at runtime
   -dlpreopen FILE   link in FILE and add its symbols to lt_preloaded_symbols
   -export-dynamic   allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
   -export-symbols SYMFILE
@@ -2421,7 +3737,8 @@
   -no-install       link a not-installable executable
   -no-undefined     declare that a library does not refer to external symbols
   -o OUTPUT-FILE    create OUTPUT-FILE from the specified objects
-  -objectlist FILE  Use a list of object files found in FILE to specify objects
+  -objectlist FILE  use a list of object files found in FILE to specify objects
+  -os2dllname NAME  force a short DLL name on OS/2 (no effect on other OSes)
   -precious-files-regex REGEX
                     don't remove output files matching REGEX
   -release RELEASE  specify package release information
@@ -2441,20 +3758,20 @@
   -Xlinker FLAG     pass linker-specific FLAG directly to the linker
   -XCClinker FLAG   pass link-specific FLAG to the compiler driver (CC)
 
-All other options (arguments beginning with \`-') are ignored.
+All other options (arguments beginning with '-') are ignored.
 
-Every other argument is treated as a filename.  Files ending in \`.la' are
+Every other argument is treated as a filename.  Files ending in '.la' are
 treated as uninstalled libtool libraries, other files are standard or library
 object files.
 
-If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
-only library objects (\`.lo' files) may be specified, and \`-rpath' is
+If the OUTPUT-FILE ends in '.la', then a libtool library is created,
+only library objects ('.lo' files) may be specified, and '-rpath' is
 required, except when creating a convenience library.
 
-If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
-using \`ar' and \`ranlib', or on Windows using \`lib'.
+If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created
+using 'ar' and 'ranlib', or on Windows using 'lib'.
 
-If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file
 is created, otherwise an executable program is created."
         ;;
 
@@ -2465,7 +3782,7 @@
 Remove libraries from an installation directory.
 
 RM is the name of the program to use to delete files associated with each FILE
-(typically \`/bin/rm').  RM-OPTIONS are options (such as \`-f') to be passed
+(typically '/bin/rm').  RM-OPTIONS are options (such as '-f') to be passed
 to RM.
 
 If FILE is a libtool library, all the files associated with it are deleted.
@@ -2473,17 +3790,17 @@
         ;;
 
       *)
-        func_fatal_help "invalid operation mode \`$opt_mode'"
+        func_fatal_help "invalid operation mode '$opt_mode'"
         ;;
     esac
 
     echo
-    $ECHO "Try \`$progname --help' for more information about other modes."
+    $ECHO "Try '$progname --help' for more information about other modes."
 }
 
 # Now that we've collected a possible --mode arg, show help if necessary
 if $opt_help; then
-  if test "$opt_help" = :; then
+  if test : = "$opt_help"; then
     func_mode_help
   else
     {
@@ -2491,7 +3808,7 @@
       for opt_mode in compile link execute install finish uninstall clean; do
 	func_mode_help
       done
-    } | sed -n '1p; 2,$s/^Usage:/  or: /p'
+    } | $SED -n '1p; 2,$s/^Usage:/  or: /p'
     {
       func_help noexit
       for opt_mode in compile link execute install finish uninstall clean; do
@@ -2499,7 +3816,7 @@
 	func_mode_help
       done
     } |
-    sed '1d
+    $SED '1d
       /^When reporting/,/^Report/{
 	H
 	d
@@ -2516,16 +3833,17 @@
 # func_mode_execute arg...
 func_mode_execute ()
 {
-    $opt_debug
+    $debug_cmd
+
     # The first argument is the command name.
-    cmd="$nonopt"
+    cmd=$nonopt
     test -z "$cmd" && \
       func_fatal_help "you must specify a COMMAND"
 
     # Handle -dlopen flags immediately.
     for file in $opt_dlopen; do
       test -f "$file" \
-	|| func_fatal_help "\`$file' is not a file"
+	|| func_fatal_help "'$file' is not a file"
 
       dir=
       case $file in
@@ -2535,7 +3853,7 @@
 
 	# Check to see that this really is a libtool archive.
 	func_lalib_unsafe_p "$file" \
-	  || func_fatal_help "\`$lib' is not a valid libtool archive"
+	  || func_fatal_help "'$lib' is not a valid libtool archive"
 
 	# Read the libtool library.
 	dlname=
@@ -2546,18 +3864,18 @@
 	if test -z "$dlname"; then
 	  # Warn if it was a shared library.
 	  test -n "$library_names" && \
-	    func_warning "\`$file' was not linked with \`-export-dynamic'"
+	    func_warning "'$file' was not linked with '-export-dynamic'"
 	  continue
 	fi
 
 	func_dirname "$file" "" "."
-	dir="$func_dirname_result"
+	dir=$func_dirname_result
 
 	if test -f "$dir/$objdir/$dlname"; then
 	  func_append dir "/$objdir"
 	else
 	  if test ! -f "$dir/$dlname"; then
-	    func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+	    func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'"
 	  fi
 	fi
 	;;
@@ -2565,18 +3883,18 @@
       *.lo)
 	# Just add the directory containing the .lo file.
 	func_dirname "$file" "" "."
-	dir="$func_dirname_result"
+	dir=$func_dirname_result
 	;;
 
       *)
-	func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+	func_warning "'-dlopen' is ignored for non-libtool libraries and objects"
 	continue
 	;;
       esac
 
       # Get the absolute pathname.
       absdir=`cd "$dir" && pwd`
-      test -n "$absdir" && dir="$absdir"
+      test -n "$absdir" && dir=$absdir
 
       # Now add the directory to shlibpath_var.
       if eval "test -z \"\$$shlibpath_var\""; then
@@ -2588,7 +3906,7 @@
 
     # This variable tells wrapper scripts just to set shlibpath_var
     # rather than running their programs.
-    libtool_execute_magic="$magic"
+    libtool_execute_magic=$magic
 
     # Check if any of the arguments is a wrapper script.
     args=
@@ -2601,12 +3919,12 @@
 	if func_ltwrapper_script_p "$file"; then
 	  func_source "$file"
 	  # Transform arg to wrapped name.
-	  file="$progdir/$program"
+	  file=$progdir/$program
 	elif func_ltwrapper_executable_p "$file"; then
 	  func_ltwrapper_scriptname "$file"
 	  func_source "$func_ltwrapper_scriptname_result"
 	  # Transform arg to wrapped name.
-	  file="$progdir/$program"
+	  file=$progdir/$program
 	fi
 	;;
       esac
@@ -2614,7 +3932,15 @@
       func_append_quoted args "$file"
     done
 
-    if test "X$opt_dry_run" = Xfalse; then
+    if $opt_dry_run; then
+      # Display what would be done.
+      if test -n "$shlibpath_var"; then
+	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+	echo "export $shlibpath_var"
+      fi
+      $ECHO "$cmd$args"
+      exit $EXIT_SUCCESS
+    else
       if test -n "$shlibpath_var"; then
 	# Export the shlibpath_var.
 	eval "export $shlibpath_var"
@@ -2631,25 +3957,18 @@
       done
 
       # Now prepare to actually exec the command.
-      exec_cmd="\$cmd$args"
-    else
-      # Display what would be done.
-      if test -n "$shlibpath_var"; then
-	eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
-	echo "export $shlibpath_var"
-      fi
-      $ECHO "$cmd$args"
-      exit $EXIT_SUCCESS
+      exec_cmd=\$cmd$args
     fi
 }
 
-test "$opt_mode" = execute && func_mode_execute ${1+"$@"}
+test execute = "$opt_mode" && func_mode_execute ${1+"$@"}
 
 
 # func_mode_finish arg...
 func_mode_finish ()
 {
-    $opt_debug
+    $debug_cmd
+
     libs=
     libdirs=
     admincmds=
@@ -2663,11 +3982,11 @@
 	if func_lalib_unsafe_p "$opt"; then
 	  func_append libs " $opt"
 	else
-	  func_warning "\`$opt' is not a valid libtool archive"
+	  func_warning "'$opt' is not a valid libtool archive"
 	fi
 
       else
-	func_fatal_error "invalid argument \`$opt'"
+	func_fatal_error "invalid argument '$opt'"
       fi
     done
 
@@ -2682,12 +4001,12 @@
       # Remove sysroot references
       if $opt_dry_run; then
         for lib in $libs; do
-          echo "removing references to $lt_sysroot and \`=' prefixes from $lib"
+          echo "removing references to $lt_sysroot and '=' prefixes from $lib"
         done
       else
         tmpdir=`func_mktempdir`
         for lib in $libs; do
-	  sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+	  $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
 	    > $tmpdir/tmp-la
 	  mv -f $tmpdir/tmp-la $lib
 	done
@@ -2712,7 +4031,7 @@
     fi
 
     # Exit here if they wanted silent mode.
-    $opt_silent && exit $EXIT_SUCCESS
+    $opt_quiet && exit $EXIT_SUCCESS
 
     if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
       echo "----------------------------------------------------------------------"
@@ -2723,27 +4042,27 @@
       echo
       echo "If you ever happen to want to link against installed libraries"
       echo "in a given directory, LIBDIR, you must either use libtool, and"
-      echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+      echo "specify the full pathname of the library, or use the '-LLIBDIR'"
       echo "flag during linking and do at least one of the following:"
       if test -n "$shlibpath_var"; then
-	echo "   - add LIBDIR to the \`$shlibpath_var' environment variable"
+	echo "   - add LIBDIR to the '$shlibpath_var' environment variable"
 	echo "     during execution"
       fi
       if test -n "$runpath_var"; then
-	echo "   - add LIBDIR to the \`$runpath_var' environment variable"
+	echo "   - add LIBDIR to the '$runpath_var' environment variable"
 	echo "     during linking"
       fi
       if test -n "$hardcode_libdir_flag_spec"; then
 	libdir=LIBDIR
 	eval flag=\"$hardcode_libdir_flag_spec\"
 
-	$ECHO "   - use the \`$flag' linker flag"
+	$ECHO "   - use the '$flag' linker flag"
       fi
       if test -n "$admincmds"; then
 	$ECHO "   - have your system administrator run these commands:$admincmds"
       fi
       if test -f /etc/ld.so.conf; then
-	echo "   - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+	echo "   - have your system administrator add LIBDIR to '/etc/ld.so.conf'"
       fi
       echo
 
@@ -2762,18 +4081,20 @@
     exit $EXIT_SUCCESS
 }
 
-test "$opt_mode" = finish && func_mode_finish ${1+"$@"}
+test finish = "$opt_mode" && func_mode_finish ${1+"$@"}
 
 
 # func_mode_install arg...
 func_mode_install ()
 {
-    $opt_debug
+    $debug_cmd
+
     # There may be an optional sh(1) argument at the beginning of
     # install_prog (especially on Windows NT).
-    if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+    if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" ||
        # Allow the use of GNU shtool's install command.
-       case $nonopt in *shtool*) :;; *) false;; esac; then
+       case $nonopt in *shtool*) :;; *) false;; esac
+    then
       # Aesthetically quote it.
       func_quote_for_eval "$nonopt"
       install_prog="$func_quote_for_eval_result "
@@ -2800,7 +4121,7 @@
     opts=
     prev=
     install_type=
-    isdir=no
+    isdir=false
     stripme=
     no_mode=:
     for arg
@@ -2813,7 +4134,7 @@
       fi
 
       case $arg in
-      -d) isdir=yes ;;
+      -d) isdir=: ;;
       -f)
 	if $install_cp; then :; else
 	  prev=$arg
@@ -2831,7 +4152,7 @@
       *)
 	# If the previous option needed an argument, then skip it.
 	if test -n "$prev"; then
-	  if test "x$prev" = x-m && test -n "$install_override_mode"; then
+	  if test X-m = "X$prev" && test -n "$install_override_mode"; then
 	    arg2=$install_override_mode
 	    no_mode=false
 	  fi
@@ -2856,7 +4177,7 @@
       func_fatal_help "you must specify an install program"
 
     test -n "$prev" && \
-      func_fatal_help "the \`$prev' option requires an argument"
+      func_fatal_help "the '$prev' option requires an argument"
 
     if test -n "$install_override_mode" && $no_mode; then
       if $install_cp; then :; else
@@ -2878,19 +4199,19 @@
     dest=$func_stripname_result
 
     # Check to see that the destination is a directory.
-    test -d "$dest" && isdir=yes
-    if test "$isdir" = yes; then
-      destdir="$dest"
+    test -d "$dest" && isdir=:
+    if $isdir; then
+      destdir=$dest
       destname=
     else
       func_dirname_and_basename "$dest" "" "."
-      destdir="$func_dirname_result"
-      destname="$func_basename_result"
+      destdir=$func_dirname_result
+      destname=$func_basename_result
 
       # Not a directory, so check to see that there is only one file specified.
       set dummy $files; shift
       test "$#" -gt 1 && \
-	func_fatal_help "\`$dest' is not a directory"
+	func_fatal_help "'$dest' is not a directory"
     fi
     case $destdir in
     [\\/]* | [A-Za-z]:[\\/]*) ;;
@@ -2899,7 +4220,7 @@
 	case $file in
 	*.lo) ;;
 	*)
-	  func_fatal_help "\`$destdir' must be an absolute directory name"
+	  func_fatal_help "'$destdir' must be an absolute directory name"
 	  ;;
 	esac
       done
@@ -2908,7 +4229,7 @@
 
     # This variable tells wrapper scripts just to set variables rather
     # than running their programs.
-    libtool_install_magic="$magic"
+    libtool_install_magic=$magic
 
     staticlibs=
     future_libdirs=
@@ -2928,7 +4249,7 @@
 
 	# Check to see that this really is a libtool archive.
 	func_lalib_unsafe_p "$file" \
-	  || func_fatal_help "\`$file' is not a valid libtool archive"
+	  || func_fatal_help "'$file' is not a valid libtool archive"
 
 	library_names=
 	old_library=
@@ -2950,7 +4271,7 @@
 	fi
 
 	func_dirname "$file" "/" ""
-	dir="$func_dirname_result"
+	dir=$func_dirname_result
 	func_append dir "$objdir"
 
 	if test -n "$relink_command"; then
@@ -2964,7 +4285,7 @@
 	  # are installed into $libdir/../bin (currently, that works fine)
 	  # but it's something to keep an eye on.
 	  test "$inst_prefix_dir" = "$destdir" && \
-	    func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+	    func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir"
 
 	  if test -n "$inst_prefix_dir"; then
 	    # Stick the inst_prefix_dir data into the link command.
@@ -2973,29 +4294,36 @@
 	    relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
 	  fi
 
-	  func_warning "relinking \`$file'"
+	  func_warning "relinking '$file'"
 	  func_show_eval "$relink_command" \
-	    'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+	    'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"'
 	fi
 
 	# See the names of the shared library.
 	set dummy $library_names; shift
 	if test -n "$1"; then
-	  realname="$1"
+	  realname=$1
 	  shift
 
-	  srcname="$realname"
-	  test -n "$relink_command" && srcname="$realname"T
+	  srcname=$realname
+	  test -n "$relink_command" && srcname=${realname}T
 
 	  # Install the shared library and build the symlinks.
 	  func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
 	      'exit $?'
-	  tstripme="$stripme"
+	  tstripme=$stripme
 	  case $host_os in
 	  cygwin* | mingw* | pw32* | cegcc*)
 	    case $realname in
 	    *.dll.a)
-	      tstripme=""
+	      tstripme=
+	      ;;
+	    esac
+	    ;;
+	  os2*)
+	    case $realname in
+	    *_dll.a)
+	      tstripme=
 	      ;;
 	    esac
 	    ;;
@@ -3006,7 +4334,7 @@
 
 	  if test "$#" -gt 0; then
 	    # Delete the old symlinks, and create new ones.
-	    # Try `ln -sf' first, because the `ln' binary might depend on
+	    # Try 'ln -sf' first, because the 'ln' binary might depend on
 	    # the symlink we replace!  Solaris /bin/ln does not understand -f,
 	    # so we also need to try rm && ln -s.
 	    for linkname
@@ -3017,14 +4345,14 @@
 	  fi
 
 	  # Do each command in the postinstall commands.
-	  lib="$destdir/$realname"
+	  lib=$destdir/$realname
 	  func_execute_cmds "$postinstall_cmds" 'exit $?'
 	fi
 
 	# Install the pseudo-library for information purposes.
 	func_basename "$file"
-	name="$func_basename_result"
-	instname="$dir/$name"i
+	name=$func_basename_result
+	instname=$dir/${name}i
 	func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
 
 	# Maybe install the static library, too.
@@ -3036,11 +4364,11 @@
 
 	# Figure out destination file name, if it wasn't already specified.
 	if test -n "$destname"; then
-	  destfile="$destdir/$destname"
+	  destfile=$destdir/$destname
 	else
 	  func_basename "$file"
-	  destfile="$func_basename_result"
-	  destfile="$destdir/$destfile"
+	  destfile=$func_basename_result
+	  destfile=$destdir/$destfile
 	fi
 
 	# Deduce the name of the destination old-style object file.
@@ -3050,11 +4378,11 @@
 	  staticdest=$func_lo2o_result
 	  ;;
 	*.$objext)
-	  staticdest="$destfile"
+	  staticdest=$destfile
 	  destfile=
 	  ;;
 	*)
-	  func_fatal_help "cannot copy a libtool object to \`$destfile'"
+	  func_fatal_help "cannot copy a libtool object to '$destfile'"
 	  ;;
 	esac
 
@@ -3063,7 +4391,7 @@
 	  func_show_eval "$install_prog $file $destfile" 'exit $?'
 
 	# Install the old object if enabled.
-	if test "$build_old_libs" = yes; then
+	if test yes = "$build_old_libs"; then
 	  # Deduce the name of the old-style object file.
 	  func_lo2o "$file"
 	  staticobj=$func_lo2o_result
@@ -3075,23 +4403,23 @@
       *)
 	# Figure out destination file name, if it wasn't already specified.
 	if test -n "$destname"; then
-	  destfile="$destdir/$destname"
+	  destfile=$destdir/$destname
 	else
 	  func_basename "$file"
-	  destfile="$func_basename_result"
-	  destfile="$destdir/$destfile"
+	  destfile=$func_basename_result
+	  destfile=$destdir/$destfile
 	fi
 
 	# If the file is missing, and there is a .exe on the end, strip it
 	# because it is most likely a libtool script we actually want to
 	# install
-	stripped_ext=""
+	stripped_ext=
 	case $file in
 	  *.exe)
 	    if test ! -f "$file"; then
 	      func_stripname '' '.exe' "$file"
 	      file=$func_stripname_result
-	      stripped_ext=".exe"
+	      stripped_ext=.exe
 	    fi
 	    ;;
 	esac
@@ -3119,19 +4447,19 @@
 
 	  # Check the variables that should have been set.
 	  test -z "$generated_by_libtool_version" && \
-	    func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+	    func_fatal_error "invalid libtool wrapper script '$wrapper'"
 
-	  finalize=yes
+	  finalize=:
 	  for lib in $notinst_deplibs; do
 	    # Check to see that each library is installed.
 	    libdir=
 	    if test -f "$lib"; then
 	      func_source "$lib"
 	    fi
-	    libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test
+	    libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'`
 	    if test -n "$libdir" && test ! -f "$libfile"; then
-	      func_warning "\`$lib' has not been installed in \`$libdir'"
-	      finalize=no
+	      func_warning "'$lib' has not been installed in '$libdir'"
+	      finalize=false
 	    fi
 	  done
 
@@ -3139,29 +4467,29 @@
 	  func_source "$wrapper"
 
 	  outputname=
-	  if test "$fast_install" = no && test -n "$relink_command"; then
+	  if test no = "$fast_install" && test -n "$relink_command"; then
 	    $opt_dry_run || {
-	      if test "$finalize" = yes; then
+	      if $finalize; then
 	        tmpdir=`func_mktempdir`
 		func_basename "$file$stripped_ext"
-		file="$func_basename_result"
-	        outputname="$tmpdir/$file"
+		file=$func_basename_result
+	        outputname=$tmpdir/$file
 	        # Replace the output file specification.
 	        relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
 
-	        $opt_silent || {
+	        $opt_quiet || {
 	          func_quote_for_expand "$relink_command"
 		  eval "func_echo $func_quote_for_expand_result"
 	        }
 	        if eval "$relink_command"; then :
 	          else
-		  func_error "error: relink \`$file' with the above command before installing it"
+		  func_error "error: relink '$file' with the above command before installing it"
 		  $opt_dry_run || ${RM}r "$tmpdir"
 		  continue
 	        fi
-	        file="$outputname"
+	        file=$outputname
 	      else
-	        func_warning "cannot relink \`$file'"
+	        func_warning "cannot relink '$file'"
 	      fi
 	    }
 	  else
@@ -3198,10 +4526,10 @@
 
     for file in $staticlibs; do
       func_basename "$file"
-      name="$func_basename_result"
+      name=$func_basename_result
 
       # Set up the ranlib parameters.
-      oldlib="$destdir/$name"
+      oldlib=$destdir/$name
       func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
       tool_oldlib=$func_to_tool_file_result
 
@@ -3216,18 +4544,18 @@
     done
 
     test -n "$future_libdirs" && \
-      func_warning "remember to run \`$progname --finish$future_libdirs'"
+      func_warning "remember to run '$progname --finish$future_libdirs'"
 
     if test -n "$current_libdirs"; then
       # Maybe just do a dry run.
       $opt_dry_run && current_libdirs=" -n$current_libdirs"
-      exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+      exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs'
     else
       exit $EXIT_SUCCESS
     fi
 }
 
-test "$opt_mode" = install && func_mode_install ${1+"$@"}
+test install = "$opt_mode" && func_mode_install ${1+"$@"}
 
 
 # func_generate_dlsyms outputname originator pic_p
@@ -3235,16 +4563,17 @@
 # a dlpreopen symbol table.
 func_generate_dlsyms ()
 {
-    $opt_debug
-    my_outputname="$1"
-    my_originator="$2"
-    my_pic_p="${3-no}"
-    my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+    $debug_cmd
+
+    my_outputname=$1
+    my_originator=$2
+    my_pic_p=${3-false}
+    my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'`
     my_dlsyms=
 
-    if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+    if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
       if test -n "$NM" && test -n "$global_symbol_pipe"; then
-	my_dlsyms="${my_outputname}S.c"
+	my_dlsyms=${my_outputname}S.c
       else
 	func_error "not configured to extract global symbols from dlpreopened files"
       fi
@@ -3255,7 +4584,7 @@
       "") ;;
       *.c)
 	# Discover the nlist of each of the dlfiles.
-	nlist="$output_objdir/${my_outputname}.nm"
+	nlist=$output_objdir/$my_outputname.nm
 
 	func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
 
@@ -3263,34 +4592,36 @@
 	func_verbose "creating $output_objdir/$my_dlsyms"
 
 	$opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
-/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
-/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */
 
 #ifdef __cplusplus
 extern \"C\" {
 #endif
 
-#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
 #pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
 #endif
 
 /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
-#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
-/* DATA imports from DLLs on WIN32 con't be const, because runtime
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
    relocations are performed -- see ld's documentation on pseudo-relocs.  */
 # define LT_DLSYM_CONST
-#elif defined(__osf__)
+#elif defined __osf__
 /* This system does not cope well with relocations in const data.  */
 # define LT_DLSYM_CONST
 #else
 # define LT_DLSYM_CONST const
 #endif
 
+#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
+
 /* External symbol declarations for the compiler. */\
 "
 
-	if test "$dlself" = yes; then
-	  func_verbose "generating symbol list for \`$output'"
+	if test yes = "$dlself"; then
+	  func_verbose "generating symbol list for '$output'"
 
 	  $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
 
@@ -3298,7 +4629,7 @@
 	  progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
 	  for progfile in $progfiles; do
 	    func_to_tool_file "$progfile" func_convert_file_msys_to_w32
-	    func_verbose "extracting global C symbols from \`$func_to_tool_file_result'"
+	    func_verbose "extracting global C symbols from '$func_to_tool_file_result'"
 	    $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
 	  done
 
@@ -3318,10 +4649,10 @@
 
 	  # Prepare the list of exported symbols
 	  if test -z "$export_symbols"; then
-	    export_symbols="$output_objdir/$outputname.exp"
+	    export_symbols=$output_objdir/$outputname.exp
 	    $opt_dry_run || {
 	      $RM $export_symbols
-	      eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+	      eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
 	      case $host in
 	      *cygwin* | *mingw* | *cegcc* )
                 eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
@@ -3331,7 +4662,7 @@
 	    }
 	  else
 	    $opt_dry_run || {
-	      eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+	      eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
 	      eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
 	      eval '$MV "$nlist"T "$nlist"'
 	      case $host in
@@ -3345,22 +4676,22 @@
 	fi
 
 	for dlprefile in $dlprefiles; do
-	  func_verbose "extracting global C symbols from \`$dlprefile'"
+	  func_verbose "extracting global C symbols from '$dlprefile'"
 	  func_basename "$dlprefile"
-	  name="$func_basename_result"
+	  name=$func_basename_result
           case $host in
 	    *cygwin* | *mingw* | *cegcc* )
 	      # if an import library, we need to obtain dlname
 	      if func_win32_import_lib_p "$dlprefile"; then
 	        func_tr_sh "$dlprefile"
 	        eval "curr_lafile=\$libfile_$func_tr_sh_result"
-	        dlprefile_dlbasename=""
+	        dlprefile_dlbasename=
 	        if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
 	          # Use subshell, to avoid clobbering current variable values
 	          dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
-	          if test -n "$dlprefile_dlname" ; then
+	          if test -n "$dlprefile_dlname"; then
 	            func_basename "$dlprefile_dlname"
-	            dlprefile_dlbasename="$func_basename_result"
+	            dlprefile_dlbasename=$func_basename_result
 	          else
 	            # no lafile. user explicitly requested -dlpreopen <import library>.
 	            $sharedlib_from_linklib_cmd "$dlprefile"
@@ -3368,7 +4699,7 @@
 	          fi
 	        fi
 	        $opt_dry_run || {
-	          if test -n "$dlprefile_dlbasename" ; then
+	          if test -n "$dlprefile_dlbasename"; then
 	            eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
 	          else
 	            func_warning "Could not compute DLL name from $name"
@@ -3424,6 +4755,11 @@
 	    echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
 	  fi
 
+	  func_show_eval '$RM "${nlist}I"'
+	  if test -n "$global_symbol_to_import"; then
+	    eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I'
+	  fi
+
 	  echo >> "$output_objdir/$my_dlsyms" "\
 
 /* The mapping between symbol names and symbols.  */
@@ -3432,11 +4768,30 @@
   void *address;
 } lt_dlsymlist;
 extern LT_DLSYM_CONST lt_dlsymlist
-lt_${my_prefix}_LTX_preloaded_symbols[];
+lt_${my_prefix}_LTX_preloaded_symbols[];\
+"
+
+	  if test -s "$nlist"I; then
+	    echo >> "$output_objdir/$my_dlsyms" "\
+static void lt_syminit(void)
+{
+  LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols;
+  for (; symbol->name; ++symbol)
+    {"
+	    $SED 's/.*/      if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms"
+	    echo >> "$output_objdir/$my_dlsyms" "\
+    }
+}"
+	  fi
+	  echo >> "$output_objdir/$my_dlsyms" "\
 LT_DLSYM_CONST lt_dlsymlist
 lt_${my_prefix}_LTX_preloaded_symbols[] =
-{\
-  { \"$my_originator\", (void *) 0 },"
+{ {\"$my_originator\", (void *) 0},"
+
+	  if test -s "$nlist"I; then
+	    echo >> "$output_objdir/$my_dlsyms" "\
+  {\"@INIT@\", (void *) &lt_syminit},"
+	  fi
 
 	  case $need_lib_prefix in
 	  no)
@@ -3478,9 +4833,7 @@
 	  *-*-hpux*)
 	    pic_flag_for_symtable=" $pic_flag"  ;;
 	  *)
-	    if test "X$my_pic_p" != Xno; then
-	      pic_flag_for_symtable=" $pic_flag"
-	    fi
+	    $my_pic_p && pic_flag_for_symtable=" $pic_flag"
 	    ;;
 	  esac
 	  ;;
@@ -3497,10 +4850,10 @@
 	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
 
 	# Clean up the generated files.
-	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"'
 
 	# Transform the symbol file into the correct name.
-	symfileobj="$output_objdir/${my_outputname}S.$objext"
+	symfileobj=$output_objdir/${my_outputname}S.$objext
 	case $host in
 	*cygwin* | *mingw* | *cegcc* )
 	  if test -f "$output_objdir/$my_outputname.def"; then
@@ -3518,7 +4871,7 @@
 	esac
 	;;
       *)
-	func_fatal_error "unknown suffix for \`$my_dlsyms'"
+	func_fatal_error "unknown suffix for '$my_dlsyms'"
 	;;
       esac
     else
@@ -3532,6 +4885,32 @@
     fi
 }
 
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+  $debug_cmd
+
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+  test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+  $debug_cmd
+
+  func_to_tool_file "$1" func_convert_file_msys_to_w32
+  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+  test -n "$func_cygming_ms_implib_tmp"
+}
+
 # func_win32_libid arg
 # return the library type of file 'arg'
 #
@@ -3541,8 +4920,9 @@
 # Despite the name, also deal with 64 bit binaries.
 func_win32_libid ()
 {
-  $opt_debug
-  win32_libid_type="unknown"
+  $debug_cmd
+
+  win32_libid_type=unknown
   win32_fileres=`file -L $1 2>/dev/null`
   case $win32_fileres in
   *ar\ archive\ import\ library*) # definitely import
@@ -3552,16 +4932,29 @@
     # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
     if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
        $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
-      func_to_tool_file "$1" func_convert_file_msys_to_w32
-      win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
-	$SED -n -e '
+      case $nm_interface in
+      "MS dumpbin")
+	if func_cygming_ms_implib_p "$1" ||
+	   func_cygming_gnu_implib_p "$1"
+	then
+	  win32_nmres=import
+	else
+	  win32_nmres=
+	fi
+	;;
+      *)
+	func_to_tool_file "$1" func_convert_file_msys_to_w32
+	win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+	  $SED -n -e '
 	    1,100{
 		/ I /{
-		    s,.*,import,
+		    s|.*|import|
 		    p
 		    q
 		}
 	    }'`
+	;;
+      esac
       case $win32_nmres in
       import*)  win32_libid_type="x86 archive import";;
       *)        win32_libid_type="x86 archive static";;
@@ -3593,7 +4986,8 @@
 #    $sharedlib_from_linklib_result
 func_cygming_dll_for_implib ()
 {
-  $opt_debug
+  $debug_cmd
+
   sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
 }
 
@@ -3610,7 +5004,8 @@
 # specified import library.
 func_cygming_dll_for_implib_fallback_core ()
 {
-  $opt_debug
+  $debug_cmd
+
   match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
   $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
     $SED '/^Contents of section '"$match_literal"':/{
@@ -3646,8 +5041,8 @@
       /./p' |
     # we now have a list, one entry per line, of the stringified
     # contents of the appropriate section of all members of the
-    # archive which possess that section. Heuristic: eliminate
-    # all those which have a first or second character that is
+    # archive that possess that section. Heuristic: eliminate
+    # all those that have a first or second character that is
     # a '.' (that is, objdump's representation of an unprintable
     # character.) This should work for all archives with less than
     # 0x302f exports -- but will fail for DLLs whose name actually
@@ -3658,30 +5053,6 @@
     $SED -e '/^\./d;/^.\./d;q'
 }
 
-# func_cygming_gnu_implib_p ARG
-# This predicate returns with zero status (TRUE) if
-# ARG is a GNU/binutils-style import library. Returns
-# with nonzero status (FALSE) otherwise.
-func_cygming_gnu_implib_p ()
-{
-  $opt_debug
-  func_to_tool_file "$1" func_convert_file_msys_to_w32
-  func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
-  test -n "$func_cygming_gnu_implib_tmp"
-}
-
-# func_cygming_ms_implib_p ARG
-# This predicate returns with zero status (TRUE) if
-# ARG is an MS-style import library. Returns
-# with nonzero status (FALSE) otherwise.
-func_cygming_ms_implib_p ()
-{
-  $opt_debug
-  func_to_tool_file "$1" func_convert_file_msys_to_w32
-  func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
-  test -n "$func_cygming_ms_implib_tmp"
-}
-
 # func_cygming_dll_for_implib_fallback ARG
 # Platform-specific function to extract the
 # name of the DLL associated with the specified
@@ -3695,16 +5066,17 @@
 #    $sharedlib_from_linklib_result
 func_cygming_dll_for_implib_fallback ()
 {
-  $opt_debug
-  if func_cygming_gnu_implib_p "$1" ; then
+  $debug_cmd
+
+  if func_cygming_gnu_implib_p "$1"; then
     # binutils import library
     sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
-  elif func_cygming_ms_implib_p "$1" ; then
+  elif func_cygming_ms_implib_p "$1"; then
     # ms-generated import library
     sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
   else
     # unknown
-    sharedlib_from_linklib_result=""
+    sharedlib_from_linklib_result=
   fi
 }
 
@@ -3712,10 +5084,11 @@
 # func_extract_an_archive dir oldlib
 func_extract_an_archive ()
 {
-    $opt_debug
-    f_ex_an_ar_dir="$1"; shift
-    f_ex_an_ar_oldlib="$1"
-    if test "$lock_old_archive_extraction" = yes; then
+    $debug_cmd
+
+    f_ex_an_ar_dir=$1; shift
+    f_ex_an_ar_oldlib=$1
+    if test yes = "$lock_old_archive_extraction"; then
       lockfile=$f_ex_an_ar_oldlib.lock
       until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
 	func_echo "Waiting for $lockfile to be removed"
@@ -3724,7 +5097,7 @@
     fi
     func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
 		   'stat=$?; rm -f "$lockfile"; exit $stat'
-    if test "$lock_old_archive_extraction" = yes; then
+    if test yes = "$lock_old_archive_extraction"; then
       $opt_dry_run || rm -f "$lockfile"
     fi
     if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
@@ -3738,22 +5111,23 @@
 # func_extract_archives gentop oldlib ...
 func_extract_archives ()
 {
-    $opt_debug
-    my_gentop="$1"; shift
+    $debug_cmd
+
+    my_gentop=$1; shift
     my_oldlibs=${1+"$@"}
-    my_oldobjs=""
-    my_xlib=""
-    my_xabs=""
-    my_xdir=""
+    my_oldobjs=
+    my_xlib=
+    my_xabs=
+    my_xdir=
 
     for my_xlib in $my_oldlibs; do
       # Extract the objects.
       case $my_xlib in
-	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+	[\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;;
 	*) my_xabs=`pwd`"/$my_xlib" ;;
       esac
       func_basename "$my_xlib"
-      my_xlib="$func_basename_result"
+      my_xlib=$func_basename_result
       my_xlib_u=$my_xlib
       while :; do
         case " $extracted_archives " in
@@ -3765,7 +5139,7 @@
 	esac
       done
       extracted_archives="$extracted_archives $my_xlib_u"
-      my_xdir="$my_gentop/$my_xlib_u"
+      my_xdir=$my_gentop/$my_xlib_u
 
       func_mkdir_p "$my_xdir"
 
@@ -3778,22 +5152,23 @@
 	  cd $my_xdir || exit $?
 	  darwin_archive=$my_xabs
 	  darwin_curdir=`pwd`
-	  darwin_base_archive=`basename "$darwin_archive"`
+	  func_basename "$darwin_archive"
+	  darwin_base_archive=$func_basename_result
 	  darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
 	  if test -n "$darwin_arches"; then
 	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
 	    darwin_arch=
 	    func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
-	    for darwin_arch in  $darwin_arches ; do
-	      func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
-	      $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
-	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
-	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+	    for darwin_arch in  $darwin_arches; do
+	      func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch"
+	      $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive"
+	      cd "unfat-$$/$darwin_base_archive-$darwin_arch"
+	      func_extract_an_archive "`pwd`" "$darwin_base_archive"
 	      cd "$darwin_curdir"
-	      $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+	      $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive"
 	    done # $darwin_arches
             ## Okay now we've a bunch of thin objects, gotta fatten them up :)
-	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u`
 	    darwin_file=
 	    darwin_files=
 	    for darwin_file in $darwin_filelist; do
@@ -3815,7 +5190,7 @@
       my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
     done
 
-    func_extract_archives_result="$my_oldobjs"
+    func_extract_archives_result=$my_oldobjs
 }
 
 
@@ -3830,7 +5205,7 @@
 #
 # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
 # variable will take.  If 'yes', then the emitted script
-# will assume that the directory in which it is stored is
+# will assume that the directory where it is stored is
 # the $objdir directory.  This is a cygwin/mingw-specific
 # behavior.
 func_emit_wrapper ()
@@ -3841,7 +5216,7 @@
 #! $SHELL
 
 # $output - temporary wrapper script for $objdir/$outputname
-# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
 #
 # The $output program cannot be directly executed until all the libtool
 # libraries that it depends on are installed.
@@ -3898,9 +5273,9 @@
 
 # Very basic option parsing. These options are (a) specific to
 # the libtool wrapper, (b) are identical between the wrapper
-# /script/ and the wrapper /executable/ which is used only on
+# /script/ and the wrapper /executable/ that is used only on
 # windows platforms, and (c) all begin with the string "--lt-"
-# (application programs are unlikely to have options which match
+# (application programs are unlikely to have options that match
 # this pattern).
 #
 # There are only two supported options: --lt-debug and
@@ -3933,7 +5308,7 @@
 
   # Print the debug banner immediately:
   if test -n \"\$lt_option_debug\"; then
-    echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2
+    echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2
   fi
 }
 
@@ -3944,7 +5319,7 @@
   lt_dump_args_N=1;
   for lt_arg
   do
-    \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\"
+    \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\"
     lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
   done
 }
@@ -3958,7 +5333,7 @@
   *-*-mingw | *-*-os2* | *-cegcc*)
     $ECHO "\
       if test -n \"\$lt_option_debug\"; then
-        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2
+        \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2
         func_lt_dump_args \${1+\"\$@\"} 1>&2
       fi
       exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
@@ -3968,7 +5343,7 @@
   *)
     $ECHO "\
       if test -n \"\$lt_option_debug\"; then
-        \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2
+        \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2
         func_lt_dump_args \${1+\"\$@\"} 1>&2
       fi
       exec \"\$progdir/\$program\" \${1+\"\$@\"}
@@ -4043,13 +5418,13 @@
   test -n \"\$absdir\" && thisdir=\"\$absdir\"
 "
 
-	if test "$fast_install" = yes; then
+	if test yes = "$fast_install"; then
 	  $ECHO "\
   program=lt-'$outputname'$exeext
   progdir=\"\$thisdir/$objdir\"
 
   if test ! -f \"\$progdir/\$program\" ||
-     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+     { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\
        test \"X\$file\" != \"X\$progdir/\$program\"; }; then
 
     file=\"\$\$-\$program\"
@@ -4066,7 +5441,7 @@
     if test -n \"\$relink_command\"; then
       if relink_command_output=\`eval \$relink_command 2>&1\`; then :
       else
-	$ECHO \"\$relink_command_output\" >&2
+	\$ECHO \"\$relink_command_output\" >&2
 	$RM \"\$progdir/\$file\"
 	exit 1
       fi
@@ -4101,7 +5476,7 @@
 	fi
 
 	# Export our shlibpath_var if we have one.
-	if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
 	  $ECHO "\
     # Add our own library path to $shlibpath_var
     $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
@@ -4121,7 +5496,7 @@
     fi
   else
     # The program doesn't exist.
-    \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+    \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2
     \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
     \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
     exit 1
@@ -4140,7 +5515,7 @@
 	cat <<EOF
 
 /* $cwrappersource - temporary wrapper executable for $objdir/$outputname
-   Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+   Generated by $PROGRAM (GNU $PACKAGE) $VERSION
 
    The $output program cannot be directly executed until all the libtool
    libraries that it depends on are installed.
@@ -4175,47 +5550,45 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 
+#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0)
+
 /* declarations of non-ANSI functions */
-#if defined(__MINGW32__)
+#if defined __MINGW32__
 # ifdef __STRICT_ANSI__
 int _putenv (const char *);
 # endif
-#elif defined(__CYGWIN__)
+#elif defined __CYGWIN__
 # ifdef __STRICT_ANSI__
 char *realpath (const char *, char *);
 int putenv (char *);
 int setenv (const char *, const char *, int);
 # endif
-/* #elif defined (other platforms) ... */
+/* #elif defined other_platform || defined ... */
 #endif
 
 /* portability defines, excluding path handling macros */
-#if defined(_MSC_VER)
+#if defined _MSC_VER
 # define setmode _setmode
 # define stat    _stat
 # define chmod   _chmod
 # define getcwd  _getcwd
 # define putenv  _putenv
 # define S_IXUSR _S_IEXEC
-# ifndef _INTPTR_T_DEFINED
-#  define _INTPTR_T_DEFINED
-#  define intptr_t int
-# endif
-#elif defined(__MINGW32__)
+#elif defined __MINGW32__
 # define setmode _setmode
 # define stat    _stat
 # define chmod   _chmod
 # define getcwd  _getcwd
 # define putenv  _putenv
-#elif defined(__CYGWIN__)
+#elif defined __CYGWIN__
 # define HAVE_SETENV
 # define FOPEN_WB "wb"
-/* #elif defined (other platforms) ... */
+/* #elif defined other platforms ... */
 #endif
 
-#if defined(PATH_MAX)
+#if defined PATH_MAX
 # define LT_PATHMAX PATH_MAX
-#elif defined(MAXPATHLEN)
+#elif defined MAXPATHLEN
 # define LT_PATHMAX MAXPATHLEN
 #else
 # define LT_PATHMAX 1024
@@ -4234,8 +5607,8 @@
 # define PATH_SEPARATOR ':'
 #endif
 
-#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
-  defined (__OS2__)
+#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \
+  defined __OS2__
 # define HAVE_DOS_BASED_FILE_SYSTEM
 # define FOPEN_WB "wb"
 # ifndef DIR_SEPARATOR_2
@@ -4268,10 +5641,10 @@
 
 #define XMALLOC(type, num)      ((type *) xmalloc ((num) * sizeof(type)))
 #define XFREE(stale) do { \
-  if (stale) { free ((void *) stale); stale = 0; } \
+  if (stale) { free (stale); stale = 0; } \
 } while (0)
 
-#if defined(LT_DEBUGWRAPPER)
+#if defined LT_DEBUGWRAPPER
 static int lt_debug = 1;
 #else
 static int lt_debug = 0;
@@ -4300,11 +5673,16 @@
 EOF
 
 	    cat <<EOF
-volatile const char * MAGIC_EXE = "$magic_exe";
+#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+# define externally_visible volatile
+#else
+# define externally_visible __attribute__((externally_visible)) volatile
+#endif
+externally_visible const char * MAGIC_EXE = "$magic_exe";
 const char * LIB_PATH_VARNAME = "$shlibpath_var";
 EOF
 
-	    if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+	    if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
               func_to_host_path "$temp_rpath"
 	      cat <<EOF
 const char * LIB_PATH_VALUE   = "$func_to_host_path_result";
@@ -4328,7 +5706,7 @@
 EOF
 	    fi
 
-	    if test "$fast_install" = yes; then
+	    if test yes = "$fast_install"; then
 	      cat <<EOF
 const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
 EOF
@@ -4357,12 +5735,12 @@
   char *actual_cwrapper_name;
   char *target_name;
   char *lt_argv_zero;
-  intptr_t rval = 127;
+  int rval = 127;
 
   int i;
 
   program_name = (char *) xstrdup (base_name (argv[0]));
-  newargz = XMALLOC (char *, argc + 1);
+  newargz = XMALLOC (char *, (size_t) argc + 1);
 
   /* very simple arg parsing; don't want to rely on getopt
    * also, copy all non cwrapper options to newargz, except
@@ -4371,10 +5749,10 @@
   newargc=0;
   for (i = 1; i < argc; i++)
     {
-      if (strcmp (argv[i], dumpscript_opt) == 0)
+      if (STREQ (argv[i], dumpscript_opt))
 	{
 EOF
-	    case "$host" in
+	    case $host in
 	      *mingw* | *cygwin* )
 		# make stdout use "unix" line endings
 		echo "          setmode(1,_O_BINARY);"
@@ -4385,12 +5763,12 @@
 	  lt_dump_script (stdout);
 	  return 0;
 	}
-      if (strcmp (argv[i], debug_opt) == 0)
+      if (STREQ (argv[i], debug_opt))
 	{
           lt_debug = 1;
           continue;
 	}
-      if (strcmp (argv[i], ltwrapper_option_prefix) == 0)
+      if (STREQ (argv[i], ltwrapper_option_prefix))
         {
           /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
              namespace, but it is not one of the ones we know about and
@@ -4413,7 +5791,7 @@
 EOF
 	    cat <<EOF
   /* The GNU banner must be the first non-error debug message */
-  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n");
+  lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE) $VERSION\n");
 EOF
 	    cat <<"EOF"
   lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
@@ -4524,7 +5902,7 @@
 		cat <<"EOF"
   /* execv doesn't actually work on mingw as expected on unix */
   newargz = prepare_spawn (newargz);
-  rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+  rval = (int) _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
   if (rval == -1)
     {
       /* failed to start process */
@@ -4569,7 +5947,7 @@
 {
   const char *base;
 
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
   /* Skip over the disk name in MSDOS pathnames. */
   if (isalpha ((unsigned char) name[0]) && name[1] == ':')
     name += 2;
@@ -4628,7 +6006,7 @@
   const char *p_next;
   /* static buffer for getcwd */
   char tmp[LT_PATHMAX + 1];
-  int tmp_len;
+  size_t tmp_len;
   char *concat_name;
 
   lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
@@ -4638,7 +6016,7 @@
     return NULL;
 
   /* Absolute path? */
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
   if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
     {
       concat_name = xstrdup (wrapper);
@@ -4656,7 +6034,7 @@
 	    return concat_name;
 	  XFREE (concat_name);
 	}
-#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+#if defined HAVE_DOS_BASED_FILE_SYSTEM
     }
 #endif
 
@@ -4679,7 +6057,7 @@
 	      for (q = p; *q; q++)
 		if (IS_PATH_SEPARATOR (*q))
 		  break;
-	      p_len = q - p;
+	      p_len = (size_t) (q - p);
 	      p_next = (*q == '\0' ? q : q + 1);
 	      if (p_len == 0)
 		{
@@ -4798,7 +6176,7 @@
   if (patlen <= len)
     {
       str += len - patlen;
-      if (strcmp (str, pat) == 0)
+      if (STREQ (str, pat))
 	*str = '\0';
     }
   return str;
@@ -4863,7 +6241,7 @@
     char *str = xstrdup (value);
     setenv (name, str, 1);
 #else
-    int len = strlen (name) + 1 + strlen (value) + 1;
+    size_t len = strlen (name) + 1 + strlen (value) + 1;
     char *str = XMALLOC (char, len);
     sprintf (str, "%s=%s", name, value);
     if (putenv (str) != EXIT_SUCCESS)
@@ -4880,8 +6258,8 @@
   char *new_value;
   if (orig_value && *orig_value)
     {
-      int orig_value_len = strlen (orig_value);
-      int add_len = strlen (add);
+      size_t orig_value_len = strlen (orig_value);
+      size_t add_len = strlen (add);
       new_value = XMALLOC (char, add_len + orig_value_len + 1);
       if (to_end)
         {
@@ -4912,10 +6290,10 @@
     {
       char *new_value = lt_extend_str (getenv (name), value, 0);
       /* some systems can't cope with a ':'-terminated path #' */
-      int len = strlen (new_value);
-      while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+      size_t len = strlen (new_value);
+      while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
         {
-          new_value[len-1] = '\0';
+          new_value[--len] = '\0';
         }
       lt_setenv (name, new_value);
       XFREE (new_value);
@@ -5082,27 +6460,47 @@
 # True if ARG is an import lib, as indicated by $file_magic_cmd
 func_win32_import_lib_p ()
 {
-    $opt_debug
+    $debug_cmd
+
     case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
     *import*) : ;;
     *) false ;;
     esac
 }
 
+# func_suncc_cstd_abi
+# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!!
+# Several compiler flags select an ABI that is incompatible with the
+# Cstd library. Avoid specifying it if any are in CXXFLAGS.
+func_suncc_cstd_abi ()
+{
+    $debug_cmd
+
+    case " $compile_command " in
+    *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*)
+      suncc_use_cstd_abi=no
+      ;;
+    *)
+      suncc_use_cstd_abi=yes
+      ;;
+    esac
+}
+
 # func_mode_link arg...
 func_mode_link ()
 {
-    $opt_debug
+    $debug_cmd
+
     case $host in
     *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
       # It is impossible to link a dll without this setting, and
       # we shouldn't force the makefile maintainer to figure out
-      # which system we are compiling for in order to pass an extra
+      # what system we are compiling for in order to pass an extra
       # flag for every libtool invocation.
       # allow_undefined=no
 
       # FIXME: Unfortunately, there are problems with the above when trying
-      # to make a dll which has undefined symbols, in which case not
+      # to make a dll that has undefined symbols, in which case not
       # even a static library is built.  For now, we need to specify
       # -no-undefined on the libtool link line when we can be certain
       # that all symbols are satisfied, otherwise we get a static library.
@@ -5146,10 +6544,11 @@
     module=no
     no_install=no
     objs=
+    os2dllname=
     non_pic_objects=
     precious_files_regex=
     prefer_static_libs=no
-    preload=no
+    preload=false
     prev=
     prevarg=
     release=
@@ -5161,7 +6560,7 @@
     vinfo=
     vinfo_number=no
     weak_libs=
-    single_module="${wl}-single_module"
+    single_module=$wl-single_module
     func_infer_tag $base_compile
 
     # We need to know -static, to get the right output filenames.
@@ -5169,15 +6568,15 @@
     do
       case $arg in
       -shared)
-	test "$build_libtool_libs" != yes && \
-	  func_fatal_configuration "can not build a shared library"
+	test yes != "$build_libtool_libs" \
+	  && func_fatal_configuration "cannot build a shared library"
 	build_old_libs=no
 	break
 	;;
       -all-static | -static | -static-libtool-libs)
 	case $arg in
 	-all-static)
-	  if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+	  if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then
 	    func_warning "complete static linking is impossible in this configuration"
 	  fi
 	  if test -n "$link_static_flag"; then
@@ -5210,7 +6609,7 @@
 
     # Go through the arguments, transforming them on the way.
     while test "$#" -gt 0; do
-      arg="$1"
+      arg=$1
       shift
       func_quote_for_eval "$arg"
       qarg=$func_quote_for_eval_unquoted_result
@@ -5227,21 +6626,21 @@
 
 	case $prev in
 	bindir)
-	  bindir="$arg"
+	  bindir=$arg
 	  prev=
 	  continue
 	  ;;
 	dlfiles|dlprefiles)
-	  if test "$preload" = no; then
+	  $preload || {
 	    # Add the symbol object into the linking commands.
 	    func_append compile_command " @SYMFILE@"
 	    func_append finalize_command " @SYMFILE@"
-	    preload=yes
-	  fi
+	    preload=:
+	  }
 	  case $arg in
 	  *.la | *.lo) ;;  # We handle these cases below.
 	  force)
-	    if test "$dlself" = no; then
+	    if test no = "$dlself"; then
 	      dlself=needless
 	      export_dynamic=yes
 	    fi
@@ -5249,9 +6648,9 @@
 	    continue
 	    ;;
 	  self)
-	    if test "$prev" = dlprefiles; then
+	    if test dlprefiles = "$prev"; then
 	      dlself=yes
-	    elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+	    elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then
 	      dlself=yes
 	    else
 	      dlself=needless
@@ -5261,7 +6660,7 @@
 	    continue
 	    ;;
 	  *)
-	    if test "$prev" = dlfiles; then
+	    if test dlfiles = "$prev"; then
 	      func_append dlfiles " $arg"
 	    else
 	      func_append dlprefiles " $arg"
@@ -5272,14 +6671,14 @@
 	  esac
 	  ;;
 	expsyms)
-	  export_symbols="$arg"
+	  export_symbols=$arg
 	  test -f "$arg" \
-	    || func_fatal_error "symbol file \`$arg' does not exist"
+	    || func_fatal_error "symbol file '$arg' does not exist"
 	  prev=
 	  continue
 	  ;;
 	expsyms_regex)
-	  export_symbols_regex="$arg"
+	  export_symbols_regex=$arg
 	  prev=
 	  continue
 	  ;;
@@ -5297,7 +6696,13 @@
 	  continue
 	  ;;
 	inst_prefix)
-	  inst_prefix_dir="$arg"
+	  inst_prefix_dir=$arg
+	  prev=
+	  continue
+	  ;;
+	mllvm)
+	  # Clang does not use LLVM to link, so we can simply discard any
+	  # '-mllvm $arg' options when doing the link step.
 	  prev=
 	  continue
 	  ;;
@@ -5321,21 +6726,21 @@
 
 		if test -z "$pic_object" ||
 		   test -z "$non_pic_object" ||
-		   test "$pic_object" = none &&
-		   test "$non_pic_object" = none; then
-		  func_fatal_error "cannot find name of object for \`$arg'"
+		   test none = "$pic_object" &&
+		   test none = "$non_pic_object"; then
+		  func_fatal_error "cannot find name of object for '$arg'"
 		fi
 
 		# Extract subdirectory from the argument.
 		func_dirname "$arg" "/" ""
-		xdir="$func_dirname_result"
+		xdir=$func_dirname_result
 
-		if test "$pic_object" != none; then
+		if test none != "$pic_object"; then
 		  # Prepend the subdirectory the object is found in.
-		  pic_object="$xdir$pic_object"
+		  pic_object=$xdir$pic_object
 
-		  if test "$prev" = dlfiles; then
-		    if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+		  if test dlfiles = "$prev"; then
+		    if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
 		      func_append dlfiles " $pic_object"
 		      prev=
 		      continue
@@ -5346,7 +6751,7 @@
 		  fi
 
 		  # CHECK ME:  I think I busted this.  -Ossama
-		  if test "$prev" = dlprefiles; then
+		  if test dlprefiles = "$prev"; then
 		    # Preload the old-style object.
 		    func_append dlprefiles " $pic_object"
 		    prev=
@@ -5354,23 +6759,23 @@
 
 		  # A PIC object.
 		  func_append libobjs " $pic_object"
-		  arg="$pic_object"
+		  arg=$pic_object
 		fi
 
 		# Non-PIC object.
-		if test "$non_pic_object" != none; then
+		if test none != "$non_pic_object"; then
 		  # Prepend the subdirectory the object is found in.
-		  non_pic_object="$xdir$non_pic_object"
+		  non_pic_object=$xdir$non_pic_object
 
 		  # A standard non-PIC object
 		  func_append non_pic_objects " $non_pic_object"
-		  if test -z "$pic_object" || test "$pic_object" = none ; then
-		    arg="$non_pic_object"
+		  if test -z "$pic_object" || test none = "$pic_object"; then
+		    arg=$non_pic_object
 		  fi
 		else
 		  # If the PIC object exists, use it instead.
 		  # $xdir was prepended to $pic_object above.
-		  non_pic_object="$pic_object"
+		  non_pic_object=$pic_object
 		  func_append non_pic_objects " $non_pic_object"
 		fi
 	      else
@@ -5378,7 +6783,7 @@
 		if $opt_dry_run; then
 		  # Extract subdirectory from the argument.
 		  func_dirname "$arg" "/" ""
-		  xdir="$func_dirname_result"
+		  xdir=$func_dirname_result
 
 		  func_lo2o "$arg"
 		  pic_object=$xdir$objdir/$func_lo2o_result
@@ -5386,24 +6791,29 @@
 		  func_append libobjs " $pic_object"
 		  func_append non_pic_objects " $non_pic_object"
 	        else
-		  func_fatal_error "\`$arg' is not a valid libtool object"
+		  func_fatal_error "'$arg' is not a valid libtool object"
 		fi
 	      fi
 	    done
 	  else
-	    func_fatal_error "link input file \`$arg' does not exist"
+	    func_fatal_error "link input file '$arg' does not exist"
 	  fi
 	  arg=$save_arg
 	  prev=
 	  continue
 	  ;;
+	os2dllname)
+	  os2dllname=$arg
+	  prev=
+	  continue
+	  ;;
 	precious_regex)
-	  precious_files_regex="$arg"
+	  precious_files_regex=$arg
 	  prev=
 	  continue
 	  ;;
 	release)
-	  release="-$arg"
+	  release=-$arg
 	  prev=
 	  continue
 	  ;;
@@ -5415,7 +6825,7 @@
 	    func_fatal_error "only absolute run-paths are allowed"
 	    ;;
 	  esac
-	  if test "$prev" = rpath; then
+	  if test rpath = "$prev"; then
 	    case "$rpath " in
 	    *" $arg "*) ;;
 	    *) func_append rpath " $arg" ;;
@@ -5430,7 +6840,7 @@
 	  continue
 	  ;;
 	shrext)
-	  shrext_cmds="$arg"
+	  shrext_cmds=$arg
 	  prev=
 	  continue
 	  ;;
@@ -5470,7 +6880,7 @@
 	esac
       fi # test -n "$prev"
 
-      prevarg="$arg"
+      prevarg=$arg
 
       case $arg in
       -all-static)
@@ -5484,7 +6894,7 @@
 
       -allow-undefined)
 	# FIXME: remove this flag sometime in the future.
-	func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+	func_fatal_error "'-allow-undefined' must not be used because it is the default"
 	;;
 
       -avoid-version)
@@ -5516,7 +6926,7 @@
 	if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
 	  func_fatal_error "more than one -exported-symbols argument is not allowed"
 	fi
-	if test "X$arg" = "X-export-symbols"; then
+	if test X-export-symbols = "X$arg"; then
 	  prev=expsyms
 	else
 	  prev=expsyms_regex
@@ -5550,9 +6960,9 @@
 	func_stripname "-L" '' "$arg"
 	if test -z "$func_stripname_result"; then
 	  if test "$#" -gt 0; then
-	    func_fatal_error "require no space between \`-L' and \`$1'"
+	    func_fatal_error "require no space between '-L' and '$1'"
 	  else
-	    func_fatal_error "need path for \`-L' option"
+	    func_fatal_error "need path for '-L' option"
 	  fi
 	fi
 	func_resolve_sysroot "$func_stripname_result"
@@ -5563,8 +6973,8 @@
 	*)
 	  absdir=`cd "$dir" && pwd`
 	  test -z "$absdir" && \
-	    func_fatal_error "cannot determine absolute directory name of \`$dir'"
-	  dir="$absdir"
+	    func_fatal_error "cannot determine absolute directory name of '$dir'"
+	  dir=$absdir
 	  ;;
 	esac
 	case "$deplibs " in
@@ -5599,7 +7009,7 @@
 	;;
 
       -l*)
-	if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+	if test X-lc = "X$arg" || test X-lm = "X$arg"; then
 	  case $host in
 	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
 	    # These systems don't actually have a C or math library (as such)
@@ -5607,11 +7017,11 @@
 	    ;;
 	  *-*-os2*)
 	    # These systems don't actually have a C library (as such)
-	    test "X$arg" = "X-lc" && continue
+	    test X-lc = "X$arg" && continue
 	    ;;
-	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	  *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*)
 	    # Do not include libc due to us having libc/libc_r.
-	    test "X$arg" = "X-lc" && continue
+	    test X-lc = "X$arg" && continue
 	    ;;
 	  *-*-rhapsody* | *-*-darwin1.[012])
 	    # Rhapsody C and math libraries are in the System framework
@@ -5620,16 +7030,16 @@
 	    ;;
 	  *-*-sco3.2v5* | *-*-sco5v6*)
 	    # Causes problems with __ctype
-	    test "X$arg" = "X-lc" && continue
+	    test X-lc = "X$arg" && continue
 	    ;;
 	  *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
 	    # Compiler inserts libc in the correct place for threads to work
-	    test "X$arg" = "X-lc" && continue
+	    test X-lc = "X$arg" && continue
 	    ;;
 	  esac
-	elif test "X$arg" = "X-lc_r"; then
+	elif test X-lc_r = "X$arg"; then
 	 case $host in
-	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+	 *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*)
 	   # Do not include libc_r directly, use -pthread flag.
 	   continue
 	   ;;
@@ -5639,6 +7049,11 @@
 	continue
 	;;
 
+      -mllvm)
+	prev=mllvm
+	continue
+	;;
+
       -module)
 	module=yes
 	continue
@@ -5668,7 +7083,7 @@
 	;;
 
       -multi_module)
-	single_module="${wl}-multi_module"
+	single_module=$wl-multi_module
 	continue
 	;;
 
@@ -5682,8 +7097,8 @@
 	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
 	  # The PATH hackery in wrapper scripts is required on Windows
 	  # and Darwin in order for the loader to find any dlls it needs.
-	  func_warning "\`-no-install' is ignored for $host"
-	  func_warning "assuming \`-no-fast-install' instead"
+	  func_warning "'-no-install' is ignored for $host"
+	  func_warning "assuming '-no-fast-install' instead"
 	  fast_install=no
 	  ;;
 	*) no_install=yes ;;
@@ -5701,6 +7116,11 @@
 	continue
 	;;
 
+      -os2dllname)
+	prev=os2dllname
+	continue
+	;;
+
       -o) prev=output ;;
 
       -precious-files-regex)
@@ -5788,14 +7208,14 @@
 	func_stripname '-Wc,' '' "$arg"
 	args=$func_stripname_result
 	arg=
-	save_ifs="$IFS"; IFS=','
+	save_ifs=$IFS; IFS=,
 	for flag in $args; do
-	  IFS="$save_ifs"
+	  IFS=$save_ifs
           func_quote_for_eval "$flag"
 	  func_append arg " $func_quote_for_eval_result"
 	  func_append compiler_flags " $func_quote_for_eval_result"
 	done
-	IFS="$save_ifs"
+	IFS=$save_ifs
 	func_stripname ' ' '' "$arg"
 	arg=$func_stripname_result
 	;;
@@ -5804,15 +7224,15 @@
 	func_stripname '-Wl,' '' "$arg"
 	args=$func_stripname_result
 	arg=
-	save_ifs="$IFS"; IFS=','
+	save_ifs=$IFS; IFS=,
 	for flag in $args; do
-	  IFS="$save_ifs"
+	  IFS=$save_ifs
           func_quote_for_eval "$flag"
 	  func_append arg " $wl$func_quote_for_eval_result"
 	  func_append compiler_flags " $wl$func_quote_for_eval_result"
 	  func_append linker_flags " $func_quote_for_eval_result"
 	done
-	IFS="$save_ifs"
+	IFS=$save_ifs
 	func_stripname ' ' '' "$arg"
 	arg=$func_stripname_result
 	;;
@@ -5835,7 +7255,7 @@
       # -msg_* for osf cc
       -msg_*)
 	func_quote_for_eval "$arg"
-	arg="$func_quote_for_eval_result"
+	arg=$func_quote_for_eval_result
 	;;
 
       # Flags to be passed through unchanged, with rationale:
@@ -5847,25 +7267,46 @@
       # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
       # -F/path              path to uninstalled frameworks, gcc on darwin
       # -p, -pg, --coverage, -fprofile-*  profiling flags for GCC
+      # -fstack-protector*   stack protector flags for GCC
       # @file                GCC response files
       # -tp=*                Portland pgcc target processor selection
       # --sysroot=*          for sysroot support
-      # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      # -stdlib=*            select c++ std lib with clang
       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
       -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-      -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
+      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*)
         func_quote_for_eval "$arg"
-	arg="$func_quote_for_eval_result"
+	arg=$func_quote_for_eval_result
         func_append compile_command " $arg"
         func_append finalize_command " $arg"
         func_append compiler_flags " $arg"
         continue
         ;;
 
+      -Z*)
+        if test os2 = "`expr $host : '.*\(os2\)'`"; then
+          # OS/2 uses -Zxxx to specify OS/2-specific options
+	  compiler_flags="$compiler_flags $arg"
+	  func_append compile_command " $arg"
+	  func_append finalize_command " $arg"
+	  case $arg in
+	  -Zlinker | -Zstack)
+	    prev=xcompiler
+	    ;;
+	  esac
+	  continue
+        else
+	  # Otherwise treat like 'Some other compiler flag' below
+	  func_quote_for_eval "$arg"
+	  arg=$func_quote_for_eval_result
+        fi
+	;;
+
       # Some other compiler flag.
       -* | +*)
         func_quote_for_eval "$arg"
-	arg="$func_quote_for_eval_result"
+	arg=$func_quote_for_eval_result
 	;;
 
       *.$objext)
@@ -5886,21 +7327,21 @@
 
 	  if test -z "$pic_object" ||
 	     test -z "$non_pic_object" ||
-	     test "$pic_object" = none &&
-	     test "$non_pic_object" = none; then
-	    func_fatal_error "cannot find name of object for \`$arg'"
+	     test none = "$pic_object" &&
+	     test none = "$non_pic_object"; then
+	    func_fatal_error "cannot find name of object for '$arg'"
 	  fi
 
 	  # Extract subdirectory from the argument.
 	  func_dirname "$arg" "/" ""
-	  xdir="$func_dirname_result"
+	  xdir=$func_dirname_result
 
-	  if test "$pic_object" != none; then
+	  test none = "$pic_object" || {
 	    # Prepend the subdirectory the object is found in.
-	    pic_object="$xdir$pic_object"
+	    pic_object=$xdir$pic_object
 
-	    if test "$prev" = dlfiles; then
-	      if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+	    if test dlfiles = "$prev"; then
+	      if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then
 		func_append dlfiles " $pic_object"
 		prev=
 		continue
@@ -5911,7 +7352,7 @@
 	    fi
 
 	    # CHECK ME:  I think I busted this.  -Ossama
-	    if test "$prev" = dlprefiles; then
+	    if test dlprefiles = "$prev"; then
 	      # Preload the old-style object.
 	      func_append dlprefiles " $pic_object"
 	      prev=
@@ -5919,23 +7360,23 @@
 
 	    # A PIC object.
 	    func_append libobjs " $pic_object"
-	    arg="$pic_object"
-	  fi
+	    arg=$pic_object
+	  }
 
 	  # Non-PIC object.
-	  if test "$non_pic_object" != none; then
+	  if test none != "$non_pic_object"; then
 	    # Prepend the subdirectory the object is found in.
-	    non_pic_object="$xdir$non_pic_object"
+	    non_pic_object=$xdir$non_pic_object
 
 	    # A standard non-PIC object
 	    func_append non_pic_objects " $non_pic_object"
-	    if test -z "$pic_object" || test "$pic_object" = none ; then
-	      arg="$non_pic_object"
+	    if test -z "$pic_object" || test none = "$pic_object"; then
+	      arg=$non_pic_object
 	    fi
 	  else
 	    # If the PIC object exists, use it instead.
 	    # $xdir was prepended to $pic_object above.
-	    non_pic_object="$pic_object"
+	    non_pic_object=$pic_object
 	    func_append non_pic_objects " $non_pic_object"
 	  fi
 	else
@@ -5943,7 +7384,7 @@
 	  if $opt_dry_run; then
 	    # Extract subdirectory from the argument.
 	    func_dirname "$arg" "/" ""
-	    xdir="$func_dirname_result"
+	    xdir=$func_dirname_result
 
 	    func_lo2o "$arg"
 	    pic_object=$xdir$objdir/$func_lo2o_result
@@ -5951,7 +7392,7 @@
 	    func_append libobjs " $pic_object"
 	    func_append non_pic_objects " $non_pic_object"
 	  else
-	    func_fatal_error "\`$arg' is not a valid libtool object"
+	    func_fatal_error "'$arg' is not a valid libtool object"
 	  fi
 	fi
 	;;
@@ -5967,11 +7408,11 @@
 	# A libtool-controlled library.
 
 	func_resolve_sysroot "$arg"
-	if test "$prev" = dlfiles; then
+	if test dlfiles = "$prev"; then
 	  # This library was specified with -dlopen.
 	  func_append dlfiles " $func_resolve_sysroot_result"
 	  prev=
-	elif test "$prev" = dlprefiles; then
+	elif test dlprefiles = "$prev"; then
 	  # The library was specified with -dlpreopen.
 	  func_append dlprefiles " $func_resolve_sysroot_result"
 	  prev=
@@ -5986,7 +7427,7 @@
 	# Unknown arguments in both finalize_command and compile_command need
 	# to be aesthetically quoted because they are evaled later.
 	func_quote_for_eval "$arg"
-	arg="$func_quote_for_eval_result"
+	arg=$func_quote_for_eval_result
 	;;
       esac # arg
 
@@ -5998,9 +7439,9 @@
     done # argument parsing loop
 
     test -n "$prev" && \
-      func_fatal_help "the \`$prevarg' option requires an argument"
+      func_fatal_help "the '$prevarg' option requires an argument"
 
-    if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+    if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then
       eval arg=\"$export_dynamic_flag_spec\"
       func_append compile_command " $arg"
       func_append finalize_command " $arg"
@@ -6009,20 +7450,23 @@
     oldlibs=
     # calculate the name of the file, without its directory
     func_basename "$output"
-    outputname="$func_basename_result"
-    libobjs_save="$libobjs"
+    outputname=$func_basename_result
+    libobjs_save=$libobjs
 
     if test -n "$shlibpath_var"; then
       # get the directories listed in $shlibpath_var
-      eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\`
+      eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\`
     else
       shlib_search_path=
     fi
     eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
     eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
 
+    # Definition is injected by LT_CONFIG during libtool generation.
+    func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH"
+
     func_dirname "$output" "/" ""
-    output_objdir="$func_dirname_result$objdir"
+    output_objdir=$func_dirname_result$objdir
     func_to_tool_file "$output_objdir/"
     tool_output_objdir=$func_to_tool_file_result
     # Create the object directory.
@@ -6045,7 +7489,7 @@
     # Find all interdependent deplibs by searching for libraries
     # that are linked more than once (e.g. -la -lb -la)
     for deplib in $deplibs; do
-      if $opt_preserve_dup_deps ; then
+      if $opt_preserve_dup_deps; then
 	case "$libs " in
 	*" $deplib "*) func_append specialdeplibs " $deplib" ;;
 	esac
@@ -6053,7 +7497,7 @@
       func_append libs " $deplib"
     done
 
-    if test "$linkmode" = lib; then
+    if test lib = "$linkmode"; then
       libs="$predeps $libs $compiler_lib_search_path $postdeps"
 
       # Compute libraries that are listed more than once in $predeps
@@ -6085,7 +7529,7 @@
 	  case $file in
 	  *.la) ;;
 	  *)
-	    func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+	    func_fatal_help "libraries can '-dlopen' only libtool libraries: $file"
 	    ;;
 	  esac
 	done
@@ -6093,7 +7537,7 @@
     prog)
 	compile_deplibs=
 	finalize_deplibs=
-	alldeplibs=no
+	alldeplibs=false
 	newdlfiles=
 	newdlprefiles=
 	passes="conv scan dlopen dlpreopen link"
@@ -6105,29 +7549,29 @@
     for pass in $passes; do
       # The preopen pass in lib mode reverses $deplibs; put it back here
       # so that -L comes before libs that need it for instance...
-      if test "$linkmode,$pass" = "lib,link"; then
+      if test lib,link = "$linkmode,$pass"; then
 	## FIXME: Find the place where the list is rebuilt in the wrong
 	##        order, and fix it there properly
         tmp_deplibs=
 	for deplib in $deplibs; do
 	  tmp_deplibs="$deplib $tmp_deplibs"
 	done
-	deplibs="$tmp_deplibs"
+	deplibs=$tmp_deplibs
       fi
 
-      if test "$linkmode,$pass" = "lib,link" ||
-	 test "$linkmode,$pass" = "prog,scan"; then
-	libs="$deplibs"
+      if test lib,link = "$linkmode,$pass" ||
+	 test prog,scan = "$linkmode,$pass"; then
+	libs=$deplibs
 	deplibs=
       fi
-      if test "$linkmode" = prog; then
+      if test prog = "$linkmode"; then
 	case $pass in
-	dlopen) libs="$dlfiles" ;;
-	dlpreopen) libs="$dlprefiles" ;;
+	dlopen) libs=$dlfiles ;;
+	dlpreopen) libs=$dlprefiles ;;
 	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
 	esac
       fi
-      if test "$linkmode,$pass" = "lib,dlpreopen"; then
+      if test lib,dlpreopen = "$linkmode,$pass"; then
 	# Collect and forward deplibs of preopened libtool libs
 	for lib in $dlprefiles; do
 	  # Ignore non-libtool-libs
@@ -6148,26 +7592,26 @@
 	    esac
 	  done
 	done
-	libs="$dlprefiles"
+	libs=$dlprefiles
       fi
-      if test "$pass" = dlopen; then
+      if test dlopen = "$pass"; then
 	# Collect dlpreopened libraries
-	save_deplibs="$deplibs"
+	save_deplibs=$deplibs
 	deplibs=
       fi
 
       for deplib in $libs; do
 	lib=
-	found=no
+	found=false
 	case $deplib in
 	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
         |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
-	  if test "$linkmode,$pass" = "prog,link"; then
+	  if test prog,link = "$linkmode,$pass"; then
 	    compile_deplibs="$deplib $compile_deplibs"
 	    finalize_deplibs="$deplib $finalize_deplibs"
 	  else
 	    func_append compiler_flags " $deplib"
-	    if test "$linkmode" = lib ; then
+	    if test lib = "$linkmode"; then
 		case "$new_inherited_linker_flags " in
 		    *" $deplib "*) ;;
 		    * ) func_append new_inherited_linker_flags " $deplib" ;;
@@ -6177,13 +7621,13 @@
 	  continue
 	  ;;
 	-l*)
-	  if test "$linkmode" != lib && test "$linkmode" != prog; then
-	    func_warning "\`-l' is ignored for archives/objects"
+	  if test lib != "$linkmode" && test prog != "$linkmode"; then
+	    func_warning "'-l' is ignored for archives/objects"
 	    continue
 	  fi
 	  func_stripname '-l' '' "$deplib"
 	  name=$func_stripname_result
-	  if test "$linkmode" = lib; then
+	  if test lib = "$linkmode"; then
 	    searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
 	  else
 	    searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
@@ -6191,31 +7635,22 @@
 	  for searchdir in $searchdirs; do
 	    for search_ext in .la $std_shrext .so .a; do
 	      # Search the libtool library
-	      lib="$searchdir/lib${name}${search_ext}"
+	      lib=$searchdir/lib$name$search_ext
 	      if test -f "$lib"; then
-		if test "$search_ext" = ".la"; then
-		  found=yes
+		if test .la = "$search_ext"; then
+		  found=:
 		else
-		  found=no
+		  found=false
 		fi
 		break 2
 	      fi
 	    done
 	  done
-	  if test "$found" != yes; then
-	    # deplib doesn't seem to be a libtool library
-	    if test "$linkmode,$pass" = "prog,link"; then
-	      compile_deplibs="$deplib $compile_deplibs"
-	      finalize_deplibs="$deplib $finalize_deplibs"
-	    else
-	      deplibs="$deplib $deplibs"
-	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
-	    fi
-	    continue
-	  else # deplib is a libtool library
+	  if $found; then
+	    # deplib is a libtool library
 	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
 	    # We need to do some special things here, and not later.
-	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	    if test yes = "$allow_libtool_libs_with_static_runtimes"; then
 	      case " $predeps $postdeps " in
 	      *" $deplib "*)
 		if func_lalib_p "$lib"; then
@@ -6223,19 +7658,19 @@
 		  old_library=
 		  func_source "$lib"
 		  for l in $old_library $library_names; do
-		    ll="$l"
+		    ll=$l
 		  done
-		  if test "X$ll" = "X$old_library" ; then # only static version available
-		    found=no
+		  if test "X$ll" = "X$old_library"; then # only static version available
+		    found=false
 		    func_dirname "$lib" "" "."
-		    ladir="$func_dirname_result"
+		    ladir=$func_dirname_result
 		    lib=$ladir/$old_library
-		    if test "$linkmode,$pass" = "prog,link"; then
+		    if test prog,link = "$linkmode,$pass"; then
 		      compile_deplibs="$deplib $compile_deplibs"
 		      finalize_deplibs="$deplib $finalize_deplibs"
 		    else
 		      deplibs="$deplib $deplibs"
-		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+		      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
 		    fi
 		    continue
 		  fi
@@ -6244,15 +7679,25 @@
 	      *) ;;
 	      esac
 	    fi
+	  else
+	    # deplib doesn't seem to be a libtool library
+	    if test prog,link = "$linkmode,$pass"; then
+	      compile_deplibs="$deplib $compile_deplibs"
+	      finalize_deplibs="$deplib $finalize_deplibs"
+	    else
+	      deplibs="$deplib $deplibs"
+	      test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs"
+	    fi
+	    continue
 	  fi
 	  ;; # -l
 	*.ltframework)
-	  if test "$linkmode,$pass" = "prog,link"; then
+	  if test prog,link = "$linkmode,$pass"; then
 	    compile_deplibs="$deplib $compile_deplibs"
 	    finalize_deplibs="$deplib $finalize_deplibs"
 	  else
 	    deplibs="$deplib $deplibs"
-	    if test "$linkmode" = lib ; then
+	    if test lib = "$linkmode"; then
 		case "$new_inherited_linker_flags " in
 		    *" $deplib "*) ;;
 		    * ) func_append new_inherited_linker_flags " $deplib" ;;
@@ -6265,18 +7710,18 @@
 	  case $linkmode in
 	  lib)
 	    deplibs="$deplib $deplibs"
-	    test "$pass" = conv && continue
+	    test conv = "$pass" && continue
 	    newdependency_libs="$deplib $newdependency_libs"
 	    func_stripname '-L' '' "$deplib"
 	    func_resolve_sysroot "$func_stripname_result"
 	    func_append newlib_search_path " $func_resolve_sysroot_result"
 	    ;;
 	  prog)
-	    if test "$pass" = conv; then
+	    if test conv = "$pass"; then
 	      deplibs="$deplib $deplibs"
 	      continue
 	    fi
-	    if test "$pass" = scan; then
+	    if test scan = "$pass"; then
 	      deplibs="$deplib $deplibs"
 	    else
 	      compile_deplibs="$deplib $compile_deplibs"
@@ -6287,13 +7732,13 @@
 	    func_append newlib_search_path " $func_resolve_sysroot_result"
 	    ;;
 	  *)
-	    func_warning "\`-L' is ignored for archives/objects"
+	    func_warning "'-L' is ignored for archives/objects"
 	    ;;
 	  esac # linkmode
 	  continue
 	  ;; # -L
 	-R*)
-	  if test "$pass" = link; then
+	  if test link = "$pass"; then
 	    func_stripname '-R' '' "$deplib"
 	    func_resolve_sysroot "$func_stripname_result"
 	    dir=$func_resolve_sysroot_result
@@ -6311,7 +7756,7 @@
 	  lib=$func_resolve_sysroot_result
 	  ;;
 	*.$libext)
-	  if test "$pass" = conv; then
+	  if test conv = "$pass"; then
 	    deplibs="$deplib $deplibs"
 	    continue
 	  fi
@@ -6322,21 +7767,26 @@
 	    case " $dlpreconveniencelibs " in
 	    *" $deplib "*) ;;
 	    *)
-	      valid_a_lib=no
+	      valid_a_lib=false
 	      case $deplibs_check_method in
 		match_pattern*)
 		  set dummy $deplibs_check_method; shift
 		  match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
 		  if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
 		    | $EGREP "$match_pattern_regex" > /dev/null; then
-		    valid_a_lib=yes
+		    valid_a_lib=:
 		  fi
 		;;
 		pass_all)
-		  valid_a_lib=yes
+		  valid_a_lib=:
 		;;
 	      esac
-	      if test "$valid_a_lib" != yes; then
+	      if $valid_a_lib; then
+		echo
+		$ECHO "*** Warning: Linking the shared library $output against the"
+		$ECHO "*** static library $deplib is not portable!"
+		deplibs="$deplib $deplibs"
+	      else
 		echo
 		$ECHO "*** Warning: Trying to link with static lib archive $deplib."
 		echo "*** I have the capability to make that library automatically link in when"
@@ -6344,18 +7794,13 @@
 		echo "*** shared version of the library, which you do not appear to have"
 		echo "*** because the file extensions .$libext of this argument makes me believe"
 		echo "*** that it is just a static archive that I should not use here."
-	      else
-		echo
-		$ECHO "*** Warning: Linking the shared library $output against the"
-		$ECHO "*** static library $deplib is not portable!"
-		deplibs="$deplib $deplibs"
 	      fi
 	      ;;
 	    esac
 	    continue
 	    ;;
 	  prog)
-	    if test "$pass" != link; then
+	    if test link != "$pass"; then
 	      deplibs="$deplib $deplibs"
 	    else
 	      compile_deplibs="$deplib $compile_deplibs"
@@ -6366,10 +7811,10 @@
 	  esac # linkmode
 	  ;; # *.$libext
 	*.lo | *.$objext)
-	  if test "$pass" = conv; then
+	  if test conv = "$pass"; then
 	    deplibs="$deplib $deplibs"
-	  elif test "$linkmode" = prog; then
-	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+	  elif test prog = "$linkmode"; then
+	    if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then
 	      # If there is no dlopen support or we're linking statically,
 	      # we need to preload.
 	      func_append newdlprefiles " $deplib"
@@ -6382,22 +7827,20 @@
 	  continue
 	  ;;
 	%DEPLIBS%)
-	  alldeplibs=yes
+	  alldeplibs=:
 	  continue
 	  ;;
 	esac # case $deplib
 
-	if test "$found" = yes || test -f "$lib"; then :
-	else
-	  func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
-	fi
+	$found || test -f "$lib" \
+	  || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'"
 
 	# Check to see that this really is a libtool archive.
 	func_lalib_unsafe_p "$lib" \
-	  || func_fatal_error "\`$lib' is not a valid libtool archive"
+	  || func_fatal_error "'$lib' is not a valid libtool archive"
 
 	func_dirname "$lib" "" "."
-	ladir="$func_dirname_result"
+	ladir=$func_dirname_result
 
 	dlname=
 	dlopen=
@@ -6427,30 +7870,30 @@
 	  done
 	fi
 	dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
-	if test "$linkmode,$pass" = "lib,link" ||
-	   test "$linkmode,$pass" = "prog,scan" ||
-	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+	if test lib,link = "$linkmode,$pass" ||
+	   test prog,scan = "$linkmode,$pass" ||
+	   { test prog != "$linkmode" && test lib != "$linkmode"; }; then
 	  test -n "$dlopen" && func_append dlfiles " $dlopen"
 	  test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen"
 	fi
 
-	if test "$pass" = conv; then
+	if test conv = "$pass"; then
 	  # Only check for convenience libraries
 	  deplibs="$lib $deplibs"
 	  if test -z "$libdir"; then
 	    if test -z "$old_library"; then
-	      func_fatal_error "cannot find name of link library for \`$lib'"
+	      func_fatal_error "cannot find name of link library for '$lib'"
 	    fi
 	    # It is a libtool convenience library, so add in its objects.
 	    func_append convenience " $ladir/$objdir/$old_library"
 	    func_append old_convenience " $ladir/$objdir/$old_library"
-	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
-	    func_fatal_error "\`$lib' is not a convenience library"
+	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
+	    func_fatal_error "'$lib' is not a convenience library"
 	  fi
 	  tmp_libs=
 	  for deplib in $dependency_libs; do
 	    deplibs="$deplib $deplibs"
-	    if $opt_preserve_dup_deps ; then
+	    if $opt_preserve_dup_deps; then
 	      case "$tmp_libs " in
 	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
 	      esac
@@ -6464,26 +7907,26 @@
 	# Get the name of the library we link against.
 	linklib=
 	if test -n "$old_library" &&
-	   { test "$prefer_static_libs" = yes ||
-	     test "$prefer_static_libs,$installed" = "built,no"; }; then
+	   { test yes = "$prefer_static_libs" ||
+	     test built,no = "$prefer_static_libs,$installed"; }; then
 	  linklib=$old_library
 	else
 	  for l in $old_library $library_names; do
-	    linklib="$l"
+	    linklib=$l
 	  done
 	fi
 	if test -z "$linklib"; then
-	  func_fatal_error "cannot find name of link library for \`$lib'"
+	  func_fatal_error "cannot find name of link library for '$lib'"
 	fi
 
 	# This library was specified with -dlopen.
-	if test "$pass" = dlopen; then
-	  if test -z "$libdir"; then
-	    func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
-	  fi
+	if test dlopen = "$pass"; then
+	  test -z "$libdir" \
+	    && func_fatal_error "cannot -dlopen a convenience library: '$lib'"
 	  if test -z "$dlname" ||
-	     test "$dlopen_support" != yes ||
-	     test "$build_libtool_libs" = no; then
+	     test yes != "$dlopen_support" ||
+	     test no = "$build_libtool_libs"
+	  then
 	    # If there is no dlname, no dlopen support or we're linking
 	    # statically, we need to preload.  We also need to preload any
 	    # dependent libraries so libltdl's deplib preloader doesn't
@@ -6497,40 +7940,40 @@
 
 	# We need an absolute path.
 	case $ladir in
-	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;;
 	*)
 	  abs_ladir=`cd "$ladir" && pwd`
 	  if test -z "$abs_ladir"; then
-	    func_warning "cannot determine absolute directory name of \`$ladir'"
+	    func_warning "cannot determine absolute directory name of '$ladir'"
 	    func_warning "passing it literally to the linker, although it might fail"
-	    abs_ladir="$ladir"
+	    abs_ladir=$ladir
 	  fi
 	  ;;
 	esac
 	func_basename "$lib"
-	laname="$func_basename_result"
+	laname=$func_basename_result
 
 	# Find the relevant object directory and library name.
-	if test "X$installed" = Xyes; then
+	if test yes = "$installed"; then
 	  if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
-	    func_warning "library \`$lib' was moved."
-	    dir="$ladir"
-	    absdir="$abs_ladir"
-	    libdir="$abs_ladir"
+	    func_warning "library '$lib' was moved."
+	    dir=$ladir
+	    absdir=$abs_ladir
+	    libdir=$abs_ladir
 	  else
-	    dir="$lt_sysroot$libdir"
-	    absdir="$lt_sysroot$libdir"
+	    dir=$lt_sysroot$libdir
+	    absdir=$lt_sysroot$libdir
 	  fi
-	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+	  test yes = "$hardcode_automatic" && avoidtemprpath=yes
 	else
 	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
-	    dir="$ladir"
-	    absdir="$abs_ladir"
+	    dir=$ladir
+	    absdir=$abs_ladir
 	    # Remove this search path later
 	    func_append notinst_path " $abs_ladir"
 	  else
-	    dir="$ladir/$objdir"
-	    absdir="$abs_ladir/$objdir"
+	    dir=$ladir/$objdir
+	    absdir=$abs_ladir/$objdir
 	    # Remove this search path later
 	    func_append notinst_path " $abs_ladir"
 	  fi
@@ -6539,11 +7982,11 @@
 	name=$func_stripname_result
 
 	# This library was specified with -dlpreopen.
-	if test "$pass" = dlpreopen; then
-	  if test -z "$libdir" && test "$linkmode" = prog; then
-	    func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+	if test dlpreopen = "$pass"; then
+	  if test -z "$libdir" && test prog = "$linkmode"; then
+	    func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'"
 	  fi
-	  case "$host" in
+	  case $host in
 	    # special handling for platforms with PE-DLLs.
 	    *cygwin* | *mingw* | *cegcc* )
 	      # Linker will automatically link against shared library if both
@@ -6587,9 +8030,9 @@
 
 	if test -z "$libdir"; then
 	  # Link the convenience library
-	  if test "$linkmode" = lib; then
+	  if test lib = "$linkmode"; then
 	    deplibs="$dir/$old_library $deplibs"
-	  elif test "$linkmode,$pass" = "prog,link"; then
+	  elif test prog,link = "$linkmode,$pass"; then
 	    compile_deplibs="$dir/$old_library $compile_deplibs"
 	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
 	  else
@@ -6599,14 +8042,14 @@
 	fi
 
 
-	if test "$linkmode" = prog && test "$pass" != link; then
+	if test prog = "$linkmode" && test link != "$pass"; then
 	  func_append newlib_search_path " $ladir"
 	  deplibs="$lib $deplibs"
 
-	  linkalldeplibs=no
-	  if test "$link_all_deplibs" != no || test -z "$library_names" ||
-	     test "$build_libtool_libs" = no; then
-	    linkalldeplibs=yes
+	  linkalldeplibs=false
+	  if test no != "$link_all_deplibs" || test -z "$library_names" ||
+	     test no = "$build_libtool_libs"; then
+	    linkalldeplibs=:
 	  fi
 
 	  tmp_libs=
@@ -6618,14 +8061,14 @@
 		 ;;
 	    esac
 	    # Need to link against all dependency_libs?
-	    if test "$linkalldeplibs" = yes; then
+	    if $linkalldeplibs; then
 	      deplibs="$deplib $deplibs"
 	    else
 	      # Need to hardcode shared library paths
 	      # or/and link against static libraries
 	      newdependency_libs="$deplib $newdependency_libs"
 	    fi
-	    if $opt_preserve_dup_deps ; then
+	    if $opt_preserve_dup_deps; then
 	      case "$tmp_libs " in
 	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
 	      esac
@@ -6635,15 +8078,15 @@
 	  continue
 	fi # $linkmode = prog...
 
-	if test "$linkmode,$pass" = "prog,link"; then
+	if test prog,link = "$linkmode,$pass"; then
 	  if test -n "$library_names" &&
-	     { { test "$prefer_static_libs" = no ||
-	         test "$prefer_static_libs,$installed" = "built,yes"; } ||
+	     { { test no = "$prefer_static_libs" ||
+	         test built,yes = "$prefer_static_libs,$installed"; } ||
 	       test -z "$old_library"; }; then
 	    # We need to hardcode the library path
-	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+	    if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then
 	      # Make sure the rpath contains only unique directories.
-	      case "$temp_rpath:" in
+	      case $temp_rpath: in
 	      *"$absdir:"*) ;;
 	      *) func_append temp_rpath "$absdir:" ;;
 	      esac
@@ -6672,9 +8115,9 @@
 	    esac
 	  fi # $linkmode,$pass = prog,link...
 
-	  if test "$alldeplibs" = yes &&
-	     { test "$deplibs_check_method" = pass_all ||
-	       { test "$build_libtool_libs" = yes &&
+	  if $alldeplibs &&
+	     { test pass_all = "$deplibs_check_method" ||
+	       { test yes = "$build_libtool_libs" &&
 		 test -n "$library_names"; }; }; then
 	    # We only need to search for static libraries
 	    continue
@@ -6683,19 +8126,19 @@
 
 	link_static=no # Whether the deplib will be linked statically
 	use_static_libs=$prefer_static_libs
-	if test "$use_static_libs" = built && test "$installed" = yes; then
+	if test built = "$use_static_libs" && test yes = "$installed"; then
 	  use_static_libs=no
 	fi
 	if test -n "$library_names" &&
-	   { test "$use_static_libs" = no || test -z "$old_library"; }; then
+	   { test no = "$use_static_libs" || test -z "$old_library"; }; then
 	  case $host in
-	  *cygwin* | *mingw* | *cegcc*)
+	  *cygwin* | *mingw* | *cegcc* | *os2*)
 	      # No point in relinking DLLs because paths are not encoded
 	      func_append notinst_deplibs " $lib"
 	      need_relink=no
 	    ;;
 	  *)
-	    if test "$installed" = no; then
+	    if test no = "$installed"; then
 	      func_append notinst_deplibs " $lib"
 	      need_relink=yes
 	    fi
@@ -6705,24 +8148,24 @@
 
 	  # Warn about portability, can't link against -module's on some
 	  # systems (darwin).  Don't bleat about dlopened modules though!
-	  dlopenmodule=""
+	  dlopenmodule=
 	  for dlpremoduletest in $dlprefiles; do
 	    if test "X$dlpremoduletest" = "X$lib"; then
-	      dlopenmodule="$dlpremoduletest"
+	      dlopenmodule=$dlpremoduletest
 	      break
 	    fi
 	  done
-	  if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+	  if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then
 	    echo
-	    if test "$linkmode" = prog; then
+	    if test prog = "$linkmode"; then
 	      $ECHO "*** Warning: Linking the executable $output against the loadable module"
 	    else
 	      $ECHO "*** Warning: Linking the shared library $output against the loadable module"
 	    fi
 	    $ECHO "*** $linklib is not portable!"
 	  fi
-	  if test "$linkmode" = lib &&
-	     test "$hardcode_into_libs" = yes; then
+	  if test lib = "$linkmode" &&
+	     test yes = "$hardcode_into_libs"; then
 	    # Hardcode the library path.
 	    # Skip directories that are in the system default run-time
 	    # search path.
@@ -6750,43 +8193,43 @@
 	    # figure out the soname
 	    set dummy $library_names
 	    shift
-	    realname="$1"
+	    realname=$1
 	    shift
 	    libname=`eval "\\$ECHO \"$libname_spec\""`
 	    # use dlname if we got it. it's perfectly good, no?
 	    if test -n "$dlname"; then
-	      soname="$dlname"
+	      soname=$dlname
 	    elif test -n "$soname_spec"; then
 	      # bleh windows
 	      case $host in
-	      *cygwin* | mingw* | *cegcc*)
+	      *cygwin* | mingw* | *cegcc* | *os2*)
 	        func_arith $current - $age
 		major=$func_arith_result
-		versuffix="-$major"
+		versuffix=-$major
 		;;
 	      esac
 	      eval soname=\"$soname_spec\"
 	    else
-	      soname="$realname"
+	      soname=$realname
 	    fi
 
 	    # Make a new name for the extract_expsyms_cmds to use
-	    soroot="$soname"
+	    soroot=$soname
 	    func_basename "$soroot"
-	    soname="$func_basename_result"
+	    soname=$func_basename_result
 	    func_stripname 'lib' '.dll' "$soname"
 	    newlib=libimp-$func_stripname_result.a
 
 	    # If the library has no export list, then create one now
 	    if test -f "$output_objdir/$soname-def"; then :
 	    else
-	      func_verbose "extracting exported symbol list from \`$soname'"
+	      func_verbose "extracting exported symbol list from '$soname'"
 	      func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
 	    fi
 
 	    # Create $newlib
 	    if test -f "$output_objdir/$newlib"; then :; else
-	      func_verbose "generating import library for \`$soname'"
+	      func_verbose "generating import library for '$soname'"
 	      func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
 	    fi
 	    # make sure the library variables are pointing to the new library
@@ -6794,58 +8237,58 @@
 	    linklib=$newlib
 	  fi # test -n "$old_archive_from_expsyms_cmds"
 
-	  if test "$linkmode" = prog || test "$opt_mode" != relink; then
+	  if test prog = "$linkmode" || test relink != "$opt_mode"; then
 	    add_shlibpath=
 	    add_dir=
 	    add=
 	    lib_linked=yes
 	    case $hardcode_action in
 	    immediate | unsupported)
-	      if test "$hardcode_direct" = no; then
-		add="$dir/$linklib"
+	      if test no = "$hardcode_direct"; then
+		add=$dir/$linklib
 		case $host in
-		  *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
-		  *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+		  *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;;
+		  *-*-sysv4*uw2*) add_dir=-L$dir ;;
 		  *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
-		    *-*-unixware7*) add_dir="-L$dir" ;;
+		    *-*-unixware7*) add_dir=-L$dir ;;
 		  *-*-darwin* )
-		    # if the lib is a (non-dlopened) module then we can not
+		    # if the lib is a (non-dlopened) module then we cannot
 		    # link against it, someone is ignoring the earlier warnings
 		    if /usr/bin/file -L $add 2> /dev/null |
-			 $GREP ": [^:]* bundle" >/dev/null ; then
+			 $GREP ": [^:]* bundle" >/dev/null; then
 		      if test "X$dlopenmodule" != "X$lib"; then
 			$ECHO "*** Warning: lib $linklib is a module, not a shared library"
-			if test -z "$old_library" ; then
+			if test -z "$old_library"; then
 			  echo
 			  echo "*** And there doesn't seem to be a static archive available"
 			  echo "*** The link will probably fail, sorry"
 			else
-			  add="$dir/$old_library"
+			  add=$dir/$old_library
 			fi
 		      elif test -n "$old_library"; then
-			add="$dir/$old_library"
+			add=$dir/$old_library
 		      fi
 		    fi
 		esac
-	      elif test "$hardcode_minus_L" = no; then
+	      elif test no = "$hardcode_minus_L"; then
 		case $host in
-		*-*-sunos*) add_shlibpath="$dir" ;;
+		*-*-sunos*) add_shlibpath=$dir ;;
 		esac
-		add_dir="-L$dir"
-		add="-l$name"
-	      elif test "$hardcode_shlibpath_var" = no; then
-		add_shlibpath="$dir"
-		add="-l$name"
+		add_dir=-L$dir
+		add=-l$name
+	      elif test no = "$hardcode_shlibpath_var"; then
+		add_shlibpath=$dir
+		add=-l$name
 	      else
 		lib_linked=no
 	      fi
 	      ;;
 	    relink)
-	      if test "$hardcode_direct" = yes &&
-	         test "$hardcode_direct_absolute" = no; then
-		add="$dir/$linklib"
-	      elif test "$hardcode_minus_L" = yes; then
-		add_dir="-L$absdir"
+	      if test yes = "$hardcode_direct" &&
+	         test no = "$hardcode_direct_absolute"; then
+		add=$dir/$linklib
+	      elif test yes = "$hardcode_minus_L"; then
+		add_dir=-L$absdir
 		# Try looking first in the location we're being installed to.
 		if test -n "$inst_prefix_dir"; then
 		  case $libdir in
@@ -6854,10 +8297,10 @@
 		      ;;
 		  esac
 		fi
-		add="-l$name"
-	      elif test "$hardcode_shlibpath_var" = yes; then
-		add_shlibpath="$dir"
-		add="-l$name"
+		add=-l$name
+	      elif test yes = "$hardcode_shlibpath_var"; then
+		add_shlibpath=$dir
+		add=-l$name
 	      else
 		lib_linked=no
 	      fi
@@ -6865,7 +8308,7 @@
 	    *) lib_linked=no ;;
 	    esac
 
-	    if test "$lib_linked" != yes; then
+	    if test yes != "$lib_linked"; then
 	      func_fatal_configuration "unsupported hardcode properties"
 	    fi
 
@@ -6875,15 +8318,15 @@
 	      *) func_append compile_shlibpath "$add_shlibpath:" ;;
 	      esac
 	    fi
-	    if test "$linkmode" = prog; then
+	    if test prog = "$linkmode"; then
 	      test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
 	      test -n "$add" && compile_deplibs="$add $compile_deplibs"
 	    else
 	      test -n "$add_dir" && deplibs="$add_dir $deplibs"
 	      test -n "$add" && deplibs="$add $deplibs"
-	      if test "$hardcode_direct" != yes &&
-		 test "$hardcode_minus_L" != yes &&
-		 test "$hardcode_shlibpath_var" = yes; then
+	      if test yes != "$hardcode_direct" &&
+		 test yes != "$hardcode_minus_L" &&
+		 test yes = "$hardcode_shlibpath_var"; then
 		case :$finalize_shlibpath: in
 		*":$libdir:"*) ;;
 		*) func_append finalize_shlibpath "$libdir:" ;;
@@ -6892,33 +8335,33 @@
 	    fi
 	  fi
 
-	  if test "$linkmode" = prog || test "$opt_mode" = relink; then
+	  if test prog = "$linkmode" || test relink = "$opt_mode"; then
 	    add_shlibpath=
 	    add_dir=
 	    add=
 	    # Finalize command for both is simple: just hardcode it.
-	    if test "$hardcode_direct" = yes &&
-	       test "$hardcode_direct_absolute" = no; then
-	      add="$libdir/$linklib"
-	    elif test "$hardcode_minus_L" = yes; then
-	      add_dir="-L$libdir"
-	      add="-l$name"
-	    elif test "$hardcode_shlibpath_var" = yes; then
+	    if test yes = "$hardcode_direct" &&
+	       test no = "$hardcode_direct_absolute"; then
+	      add=$libdir/$linklib
+	    elif test yes = "$hardcode_minus_L"; then
+	      add_dir=-L$libdir
+	      add=-l$name
+	    elif test yes = "$hardcode_shlibpath_var"; then
 	      case :$finalize_shlibpath: in
 	      *":$libdir:"*) ;;
 	      *) func_append finalize_shlibpath "$libdir:" ;;
 	      esac
-	      add="-l$name"
-	    elif test "$hardcode_automatic" = yes; then
+	      add=-l$name
+	    elif test yes = "$hardcode_automatic"; then
 	      if test -n "$inst_prefix_dir" &&
-		 test -f "$inst_prefix_dir$libdir/$linklib" ; then
-		add="$inst_prefix_dir$libdir/$linklib"
+		 test -f "$inst_prefix_dir$libdir/$linklib"; then
+		add=$inst_prefix_dir$libdir/$linklib
 	      else
-		add="$libdir/$linklib"
+		add=$libdir/$linklib
 	      fi
 	    else
 	      # We cannot seem to hardcode it, guess we'll fake it.
-	      add_dir="-L$libdir"
+	      add_dir=-L$libdir
 	      # Try looking first in the location we're being installed to.
 	      if test -n "$inst_prefix_dir"; then
 		case $libdir in
@@ -6927,10 +8370,10 @@
 		    ;;
 		esac
 	      fi
-	      add="-l$name"
+	      add=-l$name
 	    fi
 
-	    if test "$linkmode" = prog; then
+	    if test prog = "$linkmode"; then
 	      test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
 	      test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
 	    else
@@ -6938,43 +8381,43 @@
 	      test -n "$add" && deplibs="$add $deplibs"
 	    fi
 	  fi
-	elif test "$linkmode" = prog; then
+	elif test prog = "$linkmode"; then
 	  # Here we assume that one of hardcode_direct or hardcode_minus_L
 	  # is not unsupported.  This is valid on all known static and
 	  # shared platforms.
-	  if test "$hardcode_direct" != unsupported; then
-	    test -n "$old_library" && linklib="$old_library"
+	  if test unsupported != "$hardcode_direct"; then
+	    test -n "$old_library" && linklib=$old_library
 	    compile_deplibs="$dir/$linklib $compile_deplibs"
 	    finalize_deplibs="$dir/$linklib $finalize_deplibs"
 	  else
 	    compile_deplibs="-l$name -L$dir $compile_deplibs"
 	    finalize_deplibs="-l$name -L$dir $finalize_deplibs"
 	  fi
-	elif test "$build_libtool_libs" = yes; then
+	elif test yes = "$build_libtool_libs"; then
 	  # Not a shared library
-	  if test "$deplibs_check_method" != pass_all; then
+	  if test pass_all != "$deplibs_check_method"; then
 	    # We're trying link a shared library against a static one
 	    # but the system doesn't support it.
 
 	    # Just print a warning and add the library to dependency_libs so
 	    # that the program can be linked against the static library.
 	    echo
-	    $ECHO "*** Warning: This system can not link to static lib archive $lib."
+	    $ECHO "*** Warning: This system cannot link to static lib archive $lib."
 	    echo "*** I have the capability to make that library automatically link in when"
 	    echo "*** you link to this library.  But I can only do this if you have a"
 	    echo "*** shared version of the library, which you do not appear to have."
-	    if test "$module" = yes; then
+	    if test yes = "$module"; then
 	      echo "*** But as you try to build a module library, libtool will still create "
 	      echo "*** a static module, that should work as long as the dlopening application"
 	      echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
 	      if test -z "$global_symbol_pipe"; then
 		echo
 		echo "*** However, this would only work if libtool was able to extract symbol"
-		echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+		echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
 		echo "*** not find such a program.  So, this module is probably useless."
-		echo "*** \`nm' from GNU binutils and a full rebuild may help."
+		echo "*** 'nm' from GNU binutils and a full rebuild may help."
 	      fi
-	      if test "$build_old_libs" = no; then
+	      if test no = "$build_old_libs"; then
 		build_libtool_libs=module
 		build_old_libs=yes
 	      else
@@ -6987,11 +8430,11 @@
 	  fi
 	fi # link shared/static library?
 
-	if test "$linkmode" = lib; then
+	if test lib = "$linkmode"; then
 	  if test -n "$dependency_libs" &&
-	     { test "$hardcode_into_libs" != yes ||
-	       test "$build_old_libs" = yes ||
-	       test "$link_static" = yes; }; then
+	     { test yes != "$hardcode_into_libs" ||
+	       test yes = "$build_old_libs" ||
+	       test yes = "$link_static"; }; then
 	    # Extract -R from dependency_libs
 	    temp_deplibs=
 	    for libdir in $dependency_libs; do
@@ -7005,12 +8448,12 @@
 	      *) func_append temp_deplibs " $libdir";;
 	      esac
 	    done
-	    dependency_libs="$temp_deplibs"
+	    dependency_libs=$temp_deplibs
 	  fi
 
 	  func_append newlib_search_path " $absdir"
 	  # Link against this library
-	  test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+	  test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
 	  # ... and its dependency_libs
 	  tmp_libs=
 	  for deplib in $dependency_libs; do
@@ -7020,7 +8463,7 @@
                    func_resolve_sysroot "$func_stripname_result";;
               *) func_resolve_sysroot "$deplib" ;;
             esac
-	    if $opt_preserve_dup_deps ; then
+	    if $opt_preserve_dup_deps; then
 	      case "$tmp_libs " in
 	      *" $func_resolve_sysroot_result "*)
                 func_append specialdeplibs " $func_resolve_sysroot_result" ;;
@@ -7029,12 +8472,12 @@
 	    func_append tmp_libs " $func_resolve_sysroot_result"
 	  done
 
-	  if test "$link_all_deplibs" != no; then
+	  if test no != "$link_all_deplibs"; then
 	    # Add the search paths of all dependency libraries
 	    for deplib in $dependency_libs; do
 	      path=
 	      case $deplib in
-	      -L*) path="$deplib" ;;
+	      -L*) path=$deplib ;;
 	      *.la)
 	        func_resolve_sysroot "$deplib"
 	        deplib=$func_resolve_sysroot_result
@@ -7042,12 +8485,12 @@
 		dir=$func_dirname_result
 		# We need an absolute path.
 		case $dir in
-		[\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+		[\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;;
 		*)
 		  absdir=`cd "$dir" && pwd`
 		  if test -z "$absdir"; then
-		    func_warning "cannot determine absolute directory name of \`$dir'"
-		    absdir="$dir"
+		    func_warning "cannot determine absolute directory name of '$dir'"
+		    absdir=$dir
 		  fi
 		  ;;
 		esac
@@ -7055,35 +8498,35 @@
 		case $host in
 		*-*-darwin*)
 		  depdepl=
-		  eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
-		  if test -n "$deplibrary_names" ; then
-		    for tmp in $deplibrary_names ; do
+		  eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+		  if test -n "$deplibrary_names"; then
+		    for tmp in $deplibrary_names; do
 		      depdepl=$tmp
 		    done
-		    if test -f "$absdir/$objdir/$depdepl" ; then
-		      depdepl="$absdir/$objdir/$depdepl"
-		      darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+		    if test -f "$absdir/$objdir/$depdepl"; then
+		      depdepl=$absdir/$objdir/$depdepl
+		      darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
                       if test -z "$darwin_install_name"; then
-                          darwin_install_name=`${OTOOL64} -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
+                          darwin_install_name=`$OTOOL64 -L $depdepl  | awk '{if (NR == 2) {print $1;exit}}'`
                       fi
-		      func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
-		      func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}"
+		      func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl"
+		      func_append linker_flags " -dylib_file $darwin_install_name:$depdepl"
 		      path=
 		    fi
 		  fi
 		  ;;
 		*)
-		  path="-L$absdir/$objdir"
+		  path=-L$absdir/$objdir
 		  ;;
 		esac
 		else
-		  eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		  eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
 		  test -z "$libdir" && \
-		    func_fatal_error "\`$deplib' is not a valid libtool archive"
+		    func_fatal_error "'$deplib' is not a valid libtool archive"
 		  test "$absdir" != "$libdir" && \
-		    func_warning "\`$deplib' seems to be moved"
+		    func_warning "'$deplib' seems to be moved"
 
-		  path="-L$absdir"
+		  path=-L$absdir
 		fi
 		;;
 	      esac
@@ -7095,23 +8538,23 @@
 	  fi # link_all_deplibs != no
 	fi # linkmode = lib
       done # for deplib in $libs
-      if test "$pass" = link; then
-	if test "$linkmode" = "prog"; then
+      if test link = "$pass"; then
+	if test prog = "$linkmode"; then
 	  compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
 	  finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
 	else
 	  compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
 	fi
       fi
-      dependency_libs="$newdependency_libs"
-      if test "$pass" = dlpreopen; then
+      dependency_libs=$newdependency_libs
+      if test dlpreopen = "$pass"; then
 	# Link the dlpreopened libraries before other libraries
 	for deplib in $save_deplibs; do
 	  deplibs="$deplib $deplibs"
 	done
       fi
-      if test "$pass" != dlopen; then
-	if test "$pass" != conv; then
+      if test dlopen != "$pass"; then
+	test conv = "$pass" || {
 	  # Make sure lib_search_path contains only unique directories.
 	  lib_search_path=
 	  for dir in $newlib_search_path; do
@@ -7121,12 +8564,12 @@
 	    esac
 	  done
 	  newlib_search_path=
-	fi
+	}
 
-	if test "$linkmode,$pass" != "prog,link"; then
-	  vars="deplibs"
-	else
+	if test prog,link = "$linkmode,$pass"; then
 	  vars="compile_deplibs finalize_deplibs"
+	else
+	  vars=deplibs
 	fi
 	for var in $vars dependency_libs; do
 	  # Add libraries to $var in reverse order
@@ -7184,62 +8627,93 @@
 	  eval $var=\"$tmp_libs\"
 	done # for var
       fi
+
+      # Add Sun CC postdeps if required:
+      test CXX = "$tagname" && {
+        case $host_os in
+        linux*)
+          case `$CC -V 2>&1 | sed 5q` in
+          *Sun\ C*) # Sun C++ 5.9
+            func_suncc_cstd_abi
+
+            if test no != "$suncc_use_cstd_abi"; then
+              func_append postdeps ' -library=Cstd -library=Crun'
+            fi
+            ;;
+          esac
+          ;;
+
+        solaris*)
+          func_cc_basename "$CC"
+          case $func_cc_basename_result in
+          CC* | sunCC*)
+            func_suncc_cstd_abi
+
+            if test no != "$suncc_use_cstd_abi"; then
+              func_append postdeps ' -library=Cstd -library=Crun'
+            fi
+            ;;
+          esac
+          ;;
+        esac
+      }
+
       # Last step: remove runtime libs from dependency_libs
       # (they stay in deplibs)
       tmp_libs=
-      for i in $dependency_libs ; do
+      for i in $dependency_libs; do
 	case " $predeps $postdeps $compiler_lib_search_path " in
 	*" $i "*)
-	  i=""
+	  i=
 	  ;;
 	esac
-	if test -n "$i" ; then
+	if test -n "$i"; then
 	  func_append tmp_libs " $i"
 	fi
       done
       dependency_libs=$tmp_libs
     done # for pass
-    if test "$linkmode" = prog; then
-      dlfiles="$newdlfiles"
+    if test prog = "$linkmode"; then
+      dlfiles=$newdlfiles
     fi
-    if test "$linkmode" = prog || test "$linkmode" = lib; then
-      dlprefiles="$newdlprefiles"
+    if test prog = "$linkmode" || test lib = "$linkmode"; then
+      dlprefiles=$newdlprefiles
     fi
 
     case $linkmode in
     oldlib)
-      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
-	func_warning "\`-dlopen' is ignored for archives"
+      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
+	func_warning "'-dlopen' is ignored for archives"
       fi
 
       case " $deplibs" in
       *\ -l* | *\ -L*)
-	func_warning "\`-l' and \`-L' are ignored for archives" ;;
+	func_warning "'-l' and '-L' are ignored for archives" ;;
       esac
 
       test -n "$rpath" && \
-	func_warning "\`-rpath' is ignored for archives"
+	func_warning "'-rpath' is ignored for archives"
 
       test -n "$xrpath" && \
-	func_warning "\`-R' is ignored for archives"
+	func_warning "'-R' is ignored for archives"
 
       test -n "$vinfo" && \
-	func_warning "\`-version-info/-version-number' is ignored for archives"
+	func_warning "'-version-info/-version-number' is ignored for archives"
 
       test -n "$release" && \
-	func_warning "\`-release' is ignored for archives"
+	func_warning "'-release' is ignored for archives"
 
       test -n "$export_symbols$export_symbols_regex" && \
-	func_warning "\`-export-symbols' is ignored for archives"
+	func_warning "'-export-symbols' is ignored for archives"
 
       # Now set the variables for building old libraries.
       build_libtool_libs=no
-      oldlibs="$output"
+      oldlibs=$output
       func_append objs "$old_deplibs"
       ;;
 
     lib)
-      # Make sure we only generate libraries of the form `libNAME.la'.
+      # Make sure we only generate libraries of the form 'libNAME.la'.
       case $outputname in
       lib*)
 	func_stripname 'lib' '.la' "$outputname"
@@ -7248,10 +8722,10 @@
 	eval libname=\"$libname_spec\"
 	;;
       *)
-	test "$module" = no && \
-	  func_fatal_help "libtool library \`$output' must begin with \`lib'"
+	test no = "$module" \
+	  && func_fatal_help "libtool library '$output' must begin with 'lib'"
 
-	if test "$need_lib_prefix" != no; then
+	if test no != "$need_lib_prefix"; then
 	  # Add the "lib" prefix for modules if required
 	  func_stripname '' '.la' "$outputname"
 	  name=$func_stripname_result
@@ -7265,8 +8739,8 @@
       esac
 
       if test -n "$objs"; then
-	if test "$deplibs_check_method" != pass_all; then
-	  func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+	if test pass_all != "$deplibs_check_method"; then
+	  func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs"
 	else
 	  echo
 	  $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
@@ -7275,21 +8749,21 @@
 	fi
       fi
 
-      test "$dlself" != no && \
-	func_warning "\`-dlopen self' is ignored for libtool libraries"
+      test no = "$dlself" \
+	|| func_warning "'-dlopen self' is ignored for libtool libraries"
 
       set dummy $rpath
       shift
-      test "$#" -gt 1 && \
-	func_warning "ignoring multiple \`-rpath's for a libtool library"
+      test 1 -lt "$#" \
+	&& func_warning "ignoring multiple '-rpath's for a libtool library"
 
-      install_libdir="$1"
+      install_libdir=$1
 
       oldlibs=
       if test -z "$rpath"; then
-	if test "$build_libtool_libs" = yes; then
+	if test yes = "$build_libtool_libs"; then
 	  # Building a libtool convenience library.
-	  # Some compilers have problems with a `.al' extension so
+	  # Some compilers have problems with a '.al' extension so
 	  # convenience libraries should have the same extension an
 	  # archive normally would.
 	  oldlibs="$output_objdir/$libname.$libext $oldlibs"
@@ -7298,20 +8772,20 @@
 	fi
 
 	test -n "$vinfo" && \
-	  func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+	  func_warning "'-version-info/-version-number' is ignored for convenience libraries"
 
 	test -n "$release" && \
-	  func_warning "\`-release' is ignored for convenience libraries"
+	  func_warning "'-release' is ignored for convenience libraries"
       else
 
 	# Parse the version information argument.
-	save_ifs="$IFS"; IFS=':'
+	save_ifs=$IFS; IFS=:
 	set dummy $vinfo 0 0 0
 	shift
-	IFS="$save_ifs"
+	IFS=$save_ifs
 
 	test -n "$7" && \
-	  func_fatal_help "too many parameters to \`-version-info'"
+	  func_fatal_help "too many parameters to '-version-info'"
 
 	# convert absolute version numbers to libtool ages
 	# this retains compatibility with .la files and attempts
@@ -7319,42 +8793,42 @@
 
 	case $vinfo_number in
 	yes)
-	  number_major="$1"
-	  number_minor="$2"
-	  number_revision="$3"
+	  number_major=$1
+	  number_minor=$2
+	  number_revision=$3
 	  #
 	  # There are really only two kinds -- those that
 	  # use the current revision as the major version
 	  # and those that subtract age and use age as
 	  # a minor version.  But, then there is irix
-	  # which has an extra 1 added just for fun
+	  # that has an extra 1 added just for fun
 	  #
 	  case $version_type in
 	  # correct linux to gnu/linux during the next big refactor
-	  darwin|linux|osf|windows|none)
+	  darwin|freebsd-elf|linux|osf|windows|none)
 	    func_arith $number_major + $number_minor
 	    current=$func_arith_result
-	    age="$number_minor"
-	    revision="$number_revision"
+	    age=$number_minor
+	    revision=$number_revision
 	    ;;
-	  freebsd-aout|freebsd-elf|qnx|sunos)
-	    current="$number_major"
-	    revision="$number_minor"
-	    age="0"
+	  freebsd-aout|qnx|sunos)
+	    current=$number_major
+	    revision=$number_minor
+	    age=0
 	    ;;
 	  irix|nonstopux)
 	    func_arith $number_major + $number_minor
 	    current=$func_arith_result
-	    age="$number_minor"
-	    revision="$number_minor"
+	    age=$number_minor
+	    revision=$number_minor
 	    lt_irix_increment=no
 	    ;;
 	  esac
 	  ;;
 	no)
-	  current="$1"
-	  revision="$2"
-	  age="$3"
+	  current=$1
+	  revision=$2
+	  age=$3
 	  ;;
 	esac
 
@@ -7362,30 +8836,30 @@
 	case $current in
 	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
 	*)
-	  func_error "CURRENT \`$current' must be a nonnegative integer"
-	  func_fatal_error "\`$vinfo' is not valid version information"
+	  func_error "CURRENT '$current' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
 	  ;;
 	esac
 
 	case $revision in
 	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
 	*)
-	  func_error "REVISION \`$revision' must be a nonnegative integer"
-	  func_fatal_error "\`$vinfo' is not valid version information"
+	  func_error "REVISION '$revision' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
 	  ;;
 	esac
 
 	case $age in
 	0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
 	*)
-	  func_error "AGE \`$age' must be a nonnegative integer"
-	  func_fatal_error "\`$vinfo' is not valid version information"
+	  func_error "AGE '$age' must be a nonnegative integer"
+	  func_fatal_error "'$vinfo' is not valid version information"
 	  ;;
 	esac
 
 	if test "$age" -gt "$current"; then
-	  func_error "AGE \`$age' is greater than the current interface number \`$current'"
-	  func_fatal_error "\`$vinfo' is not valid version information"
+	  func_error "AGE '$age' is greater than the current interface number '$current'"
+	  func_fatal_error "'$vinfo' is not valid version information"
 	fi
 
 	# Calculate the version variables.
@@ -7400,26 +8874,36 @@
 	  # verstring for coding it into the library header
 	  func_arith $current - $age
 	  major=.$func_arith_result
-	  versuffix="$major.$age.$revision"
+	  versuffix=$major.$age.$revision
 	  # Darwin ld doesn't like 0 for these options...
 	  func_arith $current + 1
 	  minor_current=$func_arith_result
-	  xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+	  xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
 	  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+          # On Darwin other compilers
+          case $CC in
+              nagfor*)
+                  verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision"
+                  ;;
+              *)
+                  verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+                  ;;
+          esac
 	  ;;
 
 	freebsd-aout)
-	  major=".$current"
-	  versuffix=".$current.$revision";
+	  major=.$current
+	  versuffix=.$current.$revision
 	  ;;
 
 	freebsd-elf)
-	  major=".$current"
-	  versuffix=".$current"
+	  func_arith $current - $age
+	  major=.$func_arith_result
+	  versuffix=$major.$age.$revision
 	  ;;
 
 	irix | nonstopux)
-	  if test "X$lt_irix_increment" = "Xno"; then
+	  if test no = "$lt_irix_increment"; then
 	    func_arith $current - $age
 	  else
 	    func_arith $current - $age + 1
@@ -7430,69 +8914,74 @@
 	    nonstopux) verstring_prefix=nonstopux ;;
 	    *)         verstring_prefix=sgi ;;
 	  esac
-	  verstring="$verstring_prefix$major.$revision"
+	  verstring=$verstring_prefix$major.$revision
 
 	  # Add in all the interfaces that we are compatible with.
 	  loop=$revision
-	  while test "$loop" -ne 0; do
+	  while test 0 -ne "$loop"; do
 	    func_arith $revision - $loop
 	    iface=$func_arith_result
 	    func_arith $loop - 1
 	    loop=$func_arith_result
-	    verstring="$verstring_prefix$major.$iface:$verstring"
+	    verstring=$verstring_prefix$major.$iface:$verstring
 	  done
 
-	  # Before this point, $major must not contain `.'.
+	  # Before this point, $major must not contain '.'.
 	  major=.$major
-	  versuffix="$major.$revision"
+	  versuffix=$major.$revision
 	  ;;
 
 	linux) # correct to gnu/linux during the next big refactor
 	  func_arith $current - $age
 	  major=.$func_arith_result
-	  versuffix="$major.$age.$revision"
+	  versuffix=$major.$age.$revision
 	  ;;
 
 	osf)
 	  func_arith $current - $age
 	  major=.$func_arith_result
-	  versuffix=".$current.$age.$revision"
-	  verstring="$current.$age.$revision"
+	  versuffix=.$current.$age.$revision
+	  verstring=$current.$age.$revision
 
 	  # Add in all the interfaces that we are compatible with.
 	  loop=$age
-	  while test "$loop" -ne 0; do
+	  while test 0 -ne "$loop"; do
 	    func_arith $current - $loop
 	    iface=$func_arith_result
 	    func_arith $loop - 1
 	    loop=$func_arith_result
-	    verstring="$verstring:${iface}.0"
+	    verstring=$verstring:$iface.0
 	  done
 
 	  # Make executables depend on our current version.
-	  func_append verstring ":${current}.0"
+	  func_append verstring ":$current.0"
 	  ;;
 
 	qnx)
-	  major=".$current"
-	  versuffix=".$current"
+	  major=.$current
+	  versuffix=.$current
+	  ;;
+
+	sco)
+	  major=.$current
+	  versuffix=.$current
 	  ;;
 
 	sunos)
-	  major=".$current"
-	  versuffix=".$current.$revision"
+	  major=.$current
+	  versuffix=.$current.$revision
 	  ;;
 
 	windows)
 	  # Use '-' rather than '.', since we only want one
-	  # extension on DOS 8.3 filesystems.
+	  # extension on DOS 8.3 file systems.
 	  func_arith $current - $age
 	  major=$func_arith_result
-	  versuffix="-$major"
+	  versuffix=-$major
 	  ;;
 
 	*)
-	  func_fatal_configuration "unknown library version type \`$version_type'"
+	  func_fatal_configuration "unknown library version type '$version_type'"
 	  ;;
 	esac
 
@@ -7506,42 +8995,45 @@
 	    verstring=
 	    ;;
 	  *)
-	    verstring="0.0"
+	    verstring=0.0
 	    ;;
 	  esac
-	  if test "$need_version" = no; then
+	  if test no = "$need_version"; then
 	    versuffix=
 	  else
-	    versuffix=".0.0"
+	    versuffix=.0.0
 	  fi
 	fi
 
 	# Remove version info from name if versioning should be avoided
-	if test "$avoid_version" = yes && test "$need_version" = no; then
+	if test yes,no = "$avoid_version,$need_version"; then
 	  major=
 	  versuffix=
-	  verstring=""
+	  verstring=
 	fi
 
 	# Check to see if the archive will have undefined symbols.
-	if test "$allow_undefined" = yes; then
-	  if test "$allow_undefined_flag" = unsupported; then
-	    func_warning "undefined symbols not allowed in $host shared libraries"
-	    build_libtool_libs=no
-	    build_old_libs=yes
+	if test yes = "$allow_undefined"; then
+	  if test unsupported = "$allow_undefined_flag"; then
+	    if test yes = "$build_old_libs"; then
+	      func_warning "undefined symbols not allowed in $host shared libraries; building static only"
+	      build_libtool_libs=no
+	    else
+	      func_fatal_error "can't build $host shared library unless -no-undefined is specified"
+	    fi
 	  fi
 	else
 	  # Don't allow undefined symbols.
-	  allow_undefined_flag="$no_undefined_flag"
+	  allow_undefined_flag=$no_undefined_flag
 	fi
 
       fi
 
-      func_generate_dlsyms "$libname" "$libname" "yes"
+      func_generate_dlsyms "$libname" "$libname" :
       func_append libobjs " $symfileobj"
-      test "X$libobjs" = "X " && libobjs=
+      test " " = "$libobjs" && libobjs=
 
-      if test "$opt_mode" != relink; then
+      if test relink != "$opt_mode"; then
 	# Remove our outputs, but don't remove object files since they
 	# may have been created when compiling PIC objects.
 	removelist=
@@ -7550,8 +9042,8 @@
 	  case $p in
 	    *.$objext | *.gcno)
 	       ;;
-	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
-	       if test "X$precious_files_regex" != "X"; then
+	    $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*)
+	       if test -n "$precious_files_regex"; then
 		 if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
 		 then
 		   continue
@@ -7567,11 +9059,11 @@
       fi
 
       # Now set the variables for building old libraries.
-      if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+      if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then
 	func_append oldlibs " $output_objdir/$libname.$libext"
 
 	# Transform .lo files to .o files.
-	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP`
+	oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP`
       fi
 
       # Eliminate all temporary directories.
@@ -7592,13 +9084,13 @@
 	  *) func_append finalize_rpath " $libdir" ;;
 	  esac
 	done
-	if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+	if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then
 	  dependency_libs="$temp_xrpath $dependency_libs"
 	fi
       fi
 
       # Make sure dlfiles contains only unique files that won't be dlpreopened
-      old_dlfiles="$dlfiles"
+      old_dlfiles=$dlfiles
       dlfiles=
       for lib in $old_dlfiles; do
 	case " $dlprefiles $dlfiles " in
@@ -7608,7 +9100,7 @@
       done
 
       # Make sure dlprefiles contains only unique files
-      old_dlprefiles="$dlprefiles"
+      old_dlprefiles=$dlprefiles
       dlprefiles=
       for lib in $old_dlprefiles; do
 	case "$dlprefiles " in
@@ -7617,7 +9109,7 @@
 	esac
       done
 
-      if test "$build_libtool_libs" = yes; then
+      if test yes = "$build_libtool_libs"; then
 	if test -n "$rpath"; then
 	  case $host in
 	  *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
@@ -7641,7 +9133,7 @@
 	    ;;
 	  *)
 	    # Add libc to deplibs on all other systems if necessary.
-	    if test "$build_libtool_need_lc" = "yes"; then
+	    if test yes = "$build_libtool_need_lc"; then
 	      func_append deplibs " -lc"
 	    fi
 	    ;;
@@ -7657,9 +9149,9 @@
 	# I'm not sure if I'm treating the release correctly.  I think
 	# release should show up in the -l (ie -lgmp5) so we don't want to
 	# add it in twice.  Is that correct?
-	release=""
-	versuffix=""
-	major=""
+	release=
+	versuffix=
+	major=
 	newdeplibs=
 	droppeddeps=no
 	case $deplibs_check_method in
@@ -7688,20 +9180,20 @@
 	      -l*)
 		func_stripname -l '' "$i"
 		name=$func_stripname_result
-		if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		if test yes = "$allow_libtool_libs_with_static_runtimes"; then
 		  case " $predeps $postdeps " in
 		  *" $i "*)
 		    func_append newdeplibs " $i"
-		    i=""
+		    i=
 		    ;;
 		  esac
 		fi
-		if test -n "$i" ; then
+		if test -n "$i"; then
 		  libname=`eval "\\$ECHO \"$libname_spec\""`
 		  deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
 		  set dummy $deplib_matches; shift
 		  deplib_match=$1
-		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		  if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
 		    func_append newdeplibs " $i"
 		  else
 		    droppeddeps=yes
@@ -7731,20 +9223,20 @@
 		$opt_dry_run || $RM conftest
 		if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
 		  ldd_output=`ldd conftest`
-		  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+		  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
 		    case " $predeps $postdeps " in
 		    *" $i "*)
 		      func_append newdeplibs " $i"
-		      i=""
+		      i=
 		      ;;
 		    esac
 		  fi
-		  if test -n "$i" ; then
+		  if test -n "$i"; then
 		    libname=`eval "\\$ECHO \"$libname_spec\""`
 		    deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
 		    set dummy $deplib_matches; shift
 		    deplib_match=$1
-		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+		    if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0; then
 		      func_append newdeplibs " $i"
 		    else
 		      droppeddeps=yes
@@ -7781,24 +9273,24 @@
 	    -l*)
 	      func_stripname -l '' "$a_deplib"
 	      name=$func_stripname_result
-	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
 		case " $predeps $postdeps " in
 		*" $a_deplib "*)
 		  func_append newdeplibs " $a_deplib"
-		  a_deplib=""
+		  a_deplib=
 		  ;;
 		esac
 	      fi
-	      if test -n "$a_deplib" ; then
+	      if test -n "$a_deplib"; then
 		libname=`eval "\\$ECHO \"$libname_spec\""`
 		if test -n "$file_magic_glob"; then
 		  libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
 		else
 		  libnameglob=$libname
 		fi
-		test "$want_nocaseglob" = yes && nocaseglob=`shopt -p nocaseglob`
+		test yes = "$want_nocaseglob" && nocaseglob=`shopt -p nocaseglob`
 		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
-		  if test "$want_nocaseglob" = yes; then
+		  if test yes = "$want_nocaseglob"; then
 		    shopt -s nocaseglob
 		    potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
 		    $nocaseglob
@@ -7816,25 +9308,25 @@
 		      # We might still enter an endless loop, since a link
 		      # loop can be closed while we follow links,
 		      # but so what?
-		      potlib="$potent_lib"
+		      potlib=$potent_lib
 		      while test -h "$potlib" 2>/dev/null; do
-			potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+			potliblink=`ls -ld $potlib | $SED 's/.* -> //'`
 			case $potliblink in
-			[\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
-			*) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";;
+			[\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;;
+			*) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";;
 			esac
 		      done
 		      if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
 			 $SED -e 10q |
 			 $EGREP "$file_magic_regex" > /dev/null; then
 			func_append newdeplibs " $a_deplib"
-			a_deplib=""
+			a_deplib=
 			break 2
 		      fi
 		  done
 		done
 	      fi
-	      if test -n "$a_deplib" ; then
+	      if test -n "$a_deplib"; then
 		droppeddeps=yes
 		echo
 		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
@@ -7842,7 +9334,7 @@
 		echo "*** you link to this library.  But I can only do this if you have a"
 		echo "*** shared version of the library, which you do not appear to have"
 		echo "*** because I did check the linker path looking for a file starting"
-		if test -z "$potlib" ; then
+		if test -z "$potlib"; then
 		  $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
 		else
 		  $ECHO "*** with $libname and none of the candidates passed a file format test"
@@ -7865,30 +9357,30 @@
 	    -l*)
 	      func_stripname -l '' "$a_deplib"
 	      name=$func_stripname_result
-	      if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+	      if test yes = "$allow_libtool_libs_with_static_runtimes"; then
 		case " $predeps $postdeps " in
 		*" $a_deplib "*)
 		  func_append newdeplibs " $a_deplib"
-		  a_deplib=""
+		  a_deplib=
 		  ;;
 		esac
 	      fi
-	      if test -n "$a_deplib" ; then
+	      if test -n "$a_deplib"; then
 		libname=`eval "\\$ECHO \"$libname_spec\""`
 		for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
 		  potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
 		  for potent_lib in $potential_libs; do
-		    potlib="$potent_lib" # see symlink-check above in file_magic test
+		    potlib=$potent_lib # see symlink-check above in file_magic test
 		    if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
 		       $EGREP "$match_pattern_regex" > /dev/null; then
 		      func_append newdeplibs " $a_deplib"
-		      a_deplib=""
+		      a_deplib=
 		      break 2
 		    fi
 		  done
 		done
 	      fi
-	      if test -n "$a_deplib" ; then
+	      if test -n "$a_deplib"; then
 		droppeddeps=yes
 		echo
 		$ECHO "*** Warning: linker path does not have real file for library $a_deplib."
@@ -7896,7 +9388,7 @@
 		echo "*** you link to this library.  But I can only do this if you have a"
 		echo "*** shared version of the library, which you do not appear to have"
 		echo "*** because I did check the linker path looking for a file starting"
-		if test -z "$potlib" ; then
+		if test -z "$potlib"; then
 		  $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
 		else
 		  $ECHO "*** with $libname and none of the candidates passed a file format test"
@@ -7912,18 +9404,18 @@
 	  done # Gone through all deplibs.
 	  ;;
 	none | unknown | *)
-	  newdeplibs=""
+	  newdeplibs=
 	  tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
-	  if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
-	    for i in $predeps $postdeps ; do
+	  if test yes = "$allow_libtool_libs_with_static_runtimes"; then
+	    for i in $predeps $postdeps; do
 	      # can't use Xsed below, because $i might contain '/'
-	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"`
+	      tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"`
 	    done
 	  fi
 	  case $tmp_deplibs in
 	  *[!\	\ ]*)
 	    echo
-	    if test "X$deplibs_check_method" = "Xnone"; then
+	    if test none = "$deplibs_check_method"; then
 	      echo "*** Warning: inter-library dependencies are not supported in this platform."
 	    else
 	      echo "*** Warning: inter-library dependencies are not known to be supported."
@@ -7947,8 +9439,8 @@
 	  ;;
 	esac
 
-	if test "$droppeddeps" = yes; then
-	  if test "$module" = yes; then
+	if test yes = "$droppeddeps"; then
+	  if test yes = "$module"; then
 	    echo
 	    echo "*** Warning: libtool could not satisfy all declared inter-library"
 	    $ECHO "*** dependencies of module $libname.  Therefore, libtool will create"
@@ -7957,12 +9449,12 @@
 	    if test -z "$global_symbol_pipe"; then
 	      echo
 	      echo "*** However, this would only work if libtool was able to extract symbol"
-	      echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+	      echo "*** lists from a program, using 'nm' or equivalent, but libtool could"
 	      echo "*** not find such a program.  So, this module is probably useless."
-	      echo "*** \`nm' from GNU binutils and a full rebuild may help."
+	      echo "*** 'nm' from GNU binutils and a full rebuild may help."
 	    fi
-	    if test "$build_old_libs" = no; then
-	      oldlibs="$output_objdir/$libname.$libext"
+	    if test no = "$build_old_libs"; then
+	      oldlibs=$output_objdir/$libname.$libext
 	      build_libtool_libs=module
 	      build_old_libs=yes
 	    else
@@ -7973,14 +9465,14 @@
 	    echo "*** automatically added whenever a program is linked with this library"
 	    echo "*** or is declared to -dlopen it."
 
-	    if test "$allow_undefined" = no; then
+	    if test no = "$allow_undefined"; then
 	      echo
 	      echo "*** Since this library must not contain undefined symbols,"
 	      echo "*** because either the platform does not support them or"
 	      echo "*** it was explicitly requested with -no-undefined,"
 	      echo "*** libtool will only create a static version of it."
-	      if test "$build_old_libs" = no; then
-		oldlibs="$output_objdir/$libname.$libext"
+	      if test no = "$build_old_libs"; then
+		oldlibs=$output_objdir/$libname.$libext
 		build_libtool_libs=module
 		build_old_libs=yes
 	      else
@@ -8026,7 +9518,7 @@
 	*) func_append new_libs " $deplib" ;;
 	esac
       done
-      deplibs="$new_libs"
+      deplibs=$new_libs
 
       # All the library-specific variables (install_libdir is set above).
       library_names=
@@ -8034,25 +9526,25 @@
       dlname=
 
       # Test again, we may have decided not to build it any more
-      if test "$build_libtool_libs" = yes; then
-	# Remove ${wl} instances when linking with ld.
+      if test yes = "$build_libtool_libs"; then
+	# Remove $wl instances when linking with ld.
 	# FIXME: should test the right _cmds variable.
 	case $archive_cmds in
 	  *\$LD\ *) wl= ;;
         esac
-	if test "$hardcode_into_libs" = yes; then
+	if test yes = "$hardcode_into_libs"; then
 	  # Hardcode the library paths
 	  hardcode_libdirs=
 	  dep_rpath=
-	  rpath="$finalize_rpath"
-	  test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+	  rpath=$finalize_rpath
+	  test relink = "$opt_mode" || rpath=$compile_rpath$rpath
 	  for libdir in $rpath; do
 	    if test -n "$hardcode_libdir_flag_spec"; then
 	      if test -n "$hardcode_libdir_separator"; then
 		func_replace_sysroot "$libdir"
 		libdir=$func_replace_sysroot_result
 		if test -z "$hardcode_libdirs"; then
-		  hardcode_libdirs="$libdir"
+		  hardcode_libdirs=$libdir
 		else
 		  # Just accumulate the unique libdirs.
 		  case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
@@ -8077,7 +9569,7 @@
 	  # Substitute the hardcoded libdirs into the rpath.
 	  if test -n "$hardcode_libdir_separator" &&
 	     test -n "$hardcode_libdirs"; then
-	    libdir="$hardcode_libdirs"
+	    libdir=$hardcode_libdirs
 	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
 	  fi
 	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
@@ -8091,8 +9583,8 @@
 	  test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
 	fi
 
-	shlibpath="$finalize_shlibpath"
-	test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+	shlibpath=$finalize_shlibpath
+	test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath
 	if test -n "$shlibpath"; then
 	  eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
 	fi
@@ -8102,19 +9594,19 @@
 	eval library_names=\"$library_names_spec\"
 	set dummy $library_names
 	shift
-	realname="$1"
+	realname=$1
 	shift
 
 	if test -n "$soname_spec"; then
 	  eval soname=\"$soname_spec\"
 	else
-	  soname="$realname"
+	  soname=$realname
 	fi
 	if test -z "$dlname"; then
 	  dlname=$soname
 	fi
 
-	lib="$output_objdir/$realname"
+	lib=$output_objdir/$realname
 	linknames=
 	for link
 	do
@@ -8128,7 +9620,7 @@
 	delfiles=
 	if test -n "$export_symbols" && test -n "$include_expsyms"; then
 	  $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
-	  export_symbols="$output_objdir/$libname.uexp"
+	  export_symbols=$output_objdir/$libname.uexp
 	  func_append delfiles " $export_symbols"
 	fi
 
@@ -8137,31 +9629,31 @@
 	cygwin* | mingw* | cegcc*)
 	  if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
 	    # exporting using user supplied symfile
-	    if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+	    func_dll_def_p "$export_symbols" || {
 	      # and it's NOT already a .def file. Must figure out
 	      # which of the given symbols are data symbols and tag
 	      # them as such. So, trigger use of export_symbols_cmds.
 	      # export_symbols gets reassigned inside the "prepare
 	      # the list of exported symbols" if statement, so the
 	      # include_expsyms logic still works.
-	      orig_export_symbols="$export_symbols"
+	      orig_export_symbols=$export_symbols
 	      export_symbols=
 	      always_export_symbols=yes
-	    fi
+	    }
 	  fi
 	  ;;
 	esac
 
 	# Prepare the list of exported symbols
 	if test -z "$export_symbols"; then
-	  if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
-	    func_verbose "generating symbol list for \`$libname.la'"
-	    export_symbols="$output_objdir/$libname.exp"
+	  if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then
+	    func_verbose "generating symbol list for '$libname.la'"
+	    export_symbols=$output_objdir/$libname.exp
 	    $opt_dry_run || $RM $export_symbols
 	    cmds=$export_symbols_cmds
-	    save_ifs="$IFS"; IFS='~'
+	    save_ifs=$IFS; IFS='~'
 	    for cmd1 in $cmds; do
-	      IFS="$save_ifs"
+	      IFS=$save_ifs
 	      # Take the normal branch if the nm_file_list_spec branch
 	      # doesn't work or if tool conversion is not needed.
 	      case $nm_file_list_spec~$to_tool_file_cmd in
@@ -8175,7 +9667,7 @@
 		  try_normal_branch=no
 		  ;;
 	      esac
-	      if test "$try_normal_branch" = yes \
+	      if test yes = "$try_normal_branch" \
 		 && { test "$len" -lt "$max_cmd_len" \
 		      || test "$max_cmd_len" -le -1; }
 	      then
@@ -8186,7 +9678,7 @@
 		output_la=$func_basename_result
 		save_libobjs=$libobjs
 		save_output=$output
-		output=${output_objdir}/${output_la}.nm
+		output=$output_objdir/$output_la.nm
 		func_to_tool_file "$output"
 		libobjs=$nm_file_list_spec$func_to_tool_file_result
 		func_append delfiles " $output"
@@ -8209,8 +9701,8 @@
 		break
 	      fi
 	    done
-	    IFS="$save_ifs"
-	    if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+	    IFS=$save_ifs
+	    if test -n "$export_symbols_regex" && test : != "$skipped_export"; then
 	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
 	      func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
 	    fi
@@ -8218,16 +9710,16 @@
 	fi
 
 	if test -n "$export_symbols" && test -n "$include_expsyms"; then
-	  tmp_export_symbols="$export_symbols"
-	  test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	  tmp_export_symbols=$export_symbols
+	  test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
 	  $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
 	fi
 
-	if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+	if test : != "$skipped_export" && test -n "$orig_export_symbols"; then
 	  # The given exports_symbols file has to be filtered, so filter it.
-	  func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	  func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
 	  # FIXME: $output_objdir/$libname.filter potentially contains lots of
-	  # 's' commands which not all seds can handle. GNU sed should be fine
+	  # 's' commands, which not all seds can handle. GNU sed should be fine
 	  # though. Also, the filter scales superlinearly with the number of
 	  # global variables. join(1) would be nice here, but unfortunately
 	  # isn't a blessed tool.
@@ -8246,11 +9738,11 @@
 	    ;;
 	  esac
 	done
-	deplibs="$tmp_deplibs"
+	deplibs=$tmp_deplibs
 
 	if test -n "$convenience"; then
 	  if test -n "$whole_archive_flag_spec" &&
-	    test "$compiler_needs_object" = yes &&
+	    test yes = "$compiler_needs_object" &&
 	    test -z "$libobjs"; then
 	    # extract the archives, so we have objects to list.
 	    # TODO: could optimize this to just extract one archive.
@@ -8261,7 +9753,7 @@
 	    eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
 	    test "X$libobjs" = "X " && libobjs=
 	  else
-	    gentop="$output_objdir/${outputname}x"
+	    gentop=$output_objdir/${outputname}x
 	    func_append generated " $gentop"
 
 	    func_extract_archives $gentop $convenience
@@ -8270,18 +9762,18 @@
 	  fi
 	fi
 
-	if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+	if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then
 	  eval flag=\"$thread_safe_flag_spec\"
 	  func_append linker_flags " $flag"
 	fi
 
 	# Make a backup of the uninstalled library when relinking
-	if test "$opt_mode" = relink; then
+	if test relink = "$opt_mode"; then
 	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
 	fi
 
 	# Do each of the archive commands.
-	if test "$module" = yes && test -n "$module_cmds" ; then
+	if test yes = "$module" && test -n "$module_cmds"; then
 	  if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
 	    eval test_cmds=\"$module_expsym_cmds\"
 	    cmds=$module_expsym_cmds
@@ -8299,7 +9791,7 @@
 	  fi
 	fi
 
-	if test "X$skipped_export" != "X:" &&
+	if test : != "$skipped_export" &&
 	   func_len " $test_cmds" &&
 	   len=$func_len_result &&
 	   test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
@@ -8332,8 +9824,8 @@
 	  last_robj=
 	  k=1
 
-	  if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
-	    output=${output_objdir}/${output_la}.lnkscript
+	  if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then
+	    output=$output_objdir/$output_la.lnkscript
 	    func_verbose "creating GNU ld script: $output"
 	    echo 'INPUT (' > $output
 	    for obj in $save_libobjs
@@ -8345,14 +9837,14 @@
 	    func_append delfiles " $output"
 	    func_to_tool_file "$output"
 	    output=$func_to_tool_file_result
-	  elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
-	    output=${output_objdir}/${output_la}.lnk
+	  elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then
+	    output=$output_objdir/$output_la.lnk
 	    func_verbose "creating linker input file list: $output"
 	    : > $output
 	    set x $save_libobjs
 	    shift
 	    firstobj=
-	    if test "$compiler_needs_object" = yes; then
+	    if test yes = "$compiler_needs_object"; then
 	      firstobj="$1 "
 	      shift
 	    fi
@@ -8367,7 +9859,7 @@
 	  else
 	    if test -n "$save_libobjs"; then
 	      func_verbose "creating reloadable object files..."
-	      output=$output_objdir/$output_la-${k}.$objext
+	      output=$output_objdir/$output_la-$k.$objext
 	      eval test_cmds=\"$reload_cmds\"
 	      func_len " $test_cmds"
 	      len0=$func_len_result
@@ -8379,13 +9871,13 @@
 		func_len " $obj"
 		func_arith $len + $func_len_result
 		len=$func_arith_result
-		if test "X$objlist" = X ||
+		if test -z "$objlist" ||
 		   test "$len" -lt "$max_cmd_len"; then
 		  func_append objlist " $obj"
 		else
 		  # The command $test_cmds is almost too long, add a
 		  # command to the queue.
-		  if test "$k" -eq 1 ; then
+		  if test 1 -eq "$k"; then
 		    # The first file doesn't have a previous command to add.
 		    reload_objs=$objlist
 		    eval concat_cmds=\"$reload_cmds\"
@@ -8395,10 +9887,10 @@
 		    reload_objs="$objlist $last_robj"
 		    eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
 		  fi
-		  last_robj=$output_objdir/$output_la-${k}.$objext
+		  last_robj=$output_objdir/$output_la-$k.$objext
 		  func_arith $k + 1
 		  k=$func_arith_result
-		  output=$output_objdir/$output_la-${k}.$objext
+		  output=$output_objdir/$output_la-$k.$objext
 		  objlist=" $obj"
 		  func_len " $last_robj"
 		  func_arith $len0 + $func_len_result
@@ -8410,9 +9902,9 @@
 	      # files will link in the last one created.
 	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
 	      reload_objs="$objlist $last_robj"
-	      eval concat_cmds=\"\${concat_cmds}$reload_cmds\"
+	      eval concat_cmds=\"\$concat_cmds$reload_cmds\"
 	      if test -n "$last_robj"; then
-	        eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+	        eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
 	      fi
 	      func_append delfiles " $output"
 
@@ -8420,9 +9912,9 @@
 	      output=
 	    fi
 
-	    if ${skipped_export-false}; then
-	      func_verbose "generating symbol list for \`$libname.la'"
-	      export_symbols="$output_objdir/$libname.exp"
+	    ${skipped_export-false} && {
+	      func_verbose "generating symbol list for '$libname.la'"
+	      export_symbols=$output_objdir/$libname.exp
 	      $opt_dry_run || $RM $export_symbols
 	      libobjs=$output
 	      # Append the command to create the export file.
@@ -8431,16 +9923,16 @@
 	      if test -n "$last_robj"; then
 		eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
 	      fi
-	    fi
+	    }
 
 	    test -n "$save_libobjs" &&
 	      func_verbose "creating a temporary reloadable object file: $output"
 
 	    # Loop through the commands generated above and execute them.
-	    save_ifs="$IFS"; IFS='~'
+	    save_ifs=$IFS; IFS='~'
 	    for cmd in $concat_cmds; do
-	      IFS="$save_ifs"
-	      $opt_silent || {
+	      IFS=$save_ifs
+	      $opt_quiet || {
 		  func_quote_for_expand "$cmd"
 		  eval "func_echo $func_quote_for_expand_result"
 	      }
@@ -8448,7 +9940,7 @@
 		lt_exit=$?
 
 		# Restore the uninstalled library and exit
-		if test "$opt_mode" = relink; then
+		if test relink = "$opt_mode"; then
 		  ( cd "$output_objdir" && \
 		    $RM "${realname}T" && \
 		    $MV "${realname}U" "$realname" )
@@ -8457,7 +9949,7 @@
 		exit $lt_exit
 	      }
 	    done
-	    IFS="$save_ifs"
+	    IFS=$save_ifs
 
 	    if test -n "$export_symbols_regex" && ${skipped_export-false}; then
 	      func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
@@ -8465,18 +9957,18 @@
 	    fi
 	  fi
 
-          if ${skipped_export-false}; then
+          ${skipped_export-false} && {
 	    if test -n "$export_symbols" && test -n "$include_expsyms"; then
-	      tmp_export_symbols="$export_symbols"
-	      test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+	      tmp_export_symbols=$export_symbols
+	      test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols
 	      $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
 	    fi
 
 	    if test -n "$orig_export_symbols"; then
 	      # The given exports_symbols file has to be filtered, so filter it.
-	      func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+	      func_verbose "filter symbol list for '$libname.la' to tag DATA exports"
 	      # FIXME: $output_objdir/$libname.filter potentially contains lots of
-	      # 's' commands which not all seds can handle. GNU sed should be fine
+	      # 's' commands, which not all seds can handle. GNU sed should be fine
 	      # though. Also, the filter scales superlinearly with the number of
 	      # global variables. join(1) would be nice here, but unfortunately
 	      # isn't a blessed tool.
@@ -8485,7 +9977,7 @@
 	      export_symbols=$output_objdir/$libname.def
 	      $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
 	    fi
-	  fi
+	  }
 
 	  libobjs=$output
 	  # Restore the value of output.
@@ -8499,7 +9991,7 @@
 	  # value of $libobjs for piecewise linking.
 
 	  # Do each of the archive commands.
-	  if test "$module" = yes && test -n "$module_cmds" ; then
+	  if test yes = "$module" && test -n "$module_cmds"; then
 	    if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
 	      cmds=$module_expsym_cmds
 	    else
@@ -8521,7 +10013,7 @@
 
 	# Add any objects from preloaded convenience libraries
 	if test -n "$dlprefiles"; then
-	  gentop="$output_objdir/${outputname}x"
+	  gentop=$output_objdir/${outputname}x
 	  func_append generated " $gentop"
 
 	  func_extract_archives $gentop $dlprefiles
@@ -8529,11 +10021,12 @@
 	  test "X$libobjs" = "X " && libobjs=
 	fi
 
-	save_ifs="$IFS"; IFS='~'
+	save_ifs=$IFS; IFS='~'
 	for cmd in $cmds; do
-	  IFS="$save_ifs"
+	  IFS=$sp$nl
 	  eval cmd=\"$cmd\"
-	  $opt_silent || {
+	  IFS=$save_ifs
+	  $opt_quiet || {
 	    func_quote_for_expand "$cmd"
 	    eval "func_echo $func_quote_for_expand_result"
 	  }
@@ -8541,7 +10034,7 @@
 	    lt_exit=$?
 
 	    # Restore the uninstalled library and exit
-	    if test "$opt_mode" = relink; then
+	    if test relink = "$opt_mode"; then
 	      ( cd "$output_objdir" && \
 	        $RM "${realname}T" && \
 		$MV "${realname}U" "$realname" )
@@ -8550,10 +10043,10 @@
 	    exit $lt_exit
 	  }
 	done
-	IFS="$save_ifs"
+	IFS=$save_ifs
 
 	# Restore the uninstalled library and exit
-	if test "$opt_mode" = relink; then
+	if test relink = "$opt_mode"; then
 	  $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
 
 	  if test -n "$convenience"; then
@@ -8573,39 +10066,39 @@
 	done
 
 	# If -module or -export-dynamic was specified, set the dlname.
-	if test "$module" = yes || test "$export_dynamic" = yes; then
+	if test yes = "$module" || test yes = "$export_dynamic"; then
 	  # On all known operating systems, these are identical.
-	  dlname="$soname"
+	  dlname=$soname
 	fi
       fi
       ;;
 
     obj)
-      if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
-	func_warning "\`-dlopen' is ignored for objects"
+      if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then
+	func_warning "'-dlopen' is ignored for objects"
       fi
 
       case " $deplibs" in
       *\ -l* | *\ -L*)
-	func_warning "\`-l' and \`-L' are ignored for objects" ;;
+	func_warning "'-l' and '-L' are ignored for objects" ;;
       esac
 
       test -n "$rpath" && \
-	func_warning "\`-rpath' is ignored for objects"
+	func_warning "'-rpath' is ignored for objects"
 
       test -n "$xrpath" && \
-	func_warning "\`-R' is ignored for objects"
+	func_warning "'-R' is ignored for objects"
 
       test -n "$vinfo" && \
-	func_warning "\`-version-info' is ignored for objects"
+	func_warning "'-version-info' is ignored for objects"
 
       test -n "$release" && \
-	func_warning "\`-release' is ignored for objects"
+	func_warning "'-release' is ignored for objects"
 
       case $output in
       *.lo)
 	test -n "$objs$old_deplibs" && \
-	  func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+	  func_fatal_error "cannot build library object '$output' from non-libtool objects"
 
 	libobj=$output
 	func_lo2o "$libobj"
@@ -8613,7 +10106,7 @@
 	;;
       *)
 	libobj=
-	obj="$output"
+	obj=$output
 	;;
       esac
 
@@ -8626,17 +10119,19 @@
       # the extraction.
       reload_conv_objs=
       gentop=
-      # reload_cmds runs $LD directly, so let us get rid of
-      # -Wl from whole_archive_flag_spec and hope we can get by with
-      # turning comma into space..
-      wl=
-
+      # if reload_cmds runs $LD directly, get rid of -Wl from
+      # whole_archive_flag_spec and hope we can get by with turning comma
+      # into space.
+      case $reload_cmds in
+        *\$LD[\ \$]*) wl= ;;
+      esac
       if test -n "$convenience"; then
 	if test -n "$whole_archive_flag_spec"; then
 	  eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
-	  reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+	  test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+	  reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags
 	else
-	  gentop="$output_objdir/${obj}x"
+	  gentop=$output_objdir/${obj}x
 	  func_append generated " $gentop"
 
 	  func_extract_archives $gentop $convenience
@@ -8645,12 +10140,12 @@
       fi
 
       # If we're not building shared, we need to use non_pic_objs
-      test "$build_libtool_libs" != yes && libobjs="$non_pic_objects"
+      test yes = "$build_libtool_libs" || libobjs=$non_pic_objects
 
       # Create the old-style object.
-      reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+      reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs
 
-      output="$obj"
+      output=$obj
       func_execute_cmds "$reload_cmds" 'exit $?'
 
       # Exit if we aren't doing a library object file.
@@ -8662,7 +10157,7 @@
 	exit $EXIT_SUCCESS
       fi
 
-      if test "$build_libtool_libs" != yes; then
+      test yes = "$build_libtool_libs" || {
 	if test -n "$gentop"; then
 	  func_show_eval '${RM}r "$gentop"'
 	fi
@@ -8672,12 +10167,12 @@
 	# $show "echo timestamp > $libobj"
 	# $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
 	exit $EXIT_SUCCESS
-      fi
+      }
 
-      if test -n "$pic_flag" || test "$pic_mode" != default; then
+      if test -n "$pic_flag" || test default != "$pic_mode"; then
 	# Only do commands if we really have different PIC objects.
 	reload_objs="$libobjs $reload_conv_objs"
-	output="$libobj"
+	output=$libobj
 	func_execute_cmds "$reload_cmds" 'exit $?'
       fi
 
@@ -8694,16 +10189,14 @@
 	          output=$func_stripname_result.exe;;
       esac
       test -n "$vinfo" && \
-	func_warning "\`-version-info' is ignored for programs"
+	func_warning "'-version-info' is ignored for programs"
 
       test -n "$release" && \
-	func_warning "\`-release' is ignored for programs"
+	func_warning "'-release' is ignored for programs"
 
-      test "$preload" = yes \
-        && test "$dlopen_support" = unknown \
-	&& test "$dlopen_self" = unknown \
-	&& test "$dlopen_self_static" = unknown && \
-	  func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+      $preload \
+	&& test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \
+	&& func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support."
 
       case $host in
       *-*-rhapsody* | *-*-darwin1.[012])
@@ -8717,11 +10210,11 @@
       *-*-darwin*)
 	# Don't allow lazy linking, it breaks C++ global constructors
 	# But is supposedly fixed on 10.4 or later (yay!).
-	if test "$tagname" = CXX ; then
+	if test CXX = "$tagname"; then
 	  case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
 	    10.[0123])
-	      func_append compile_command " ${wl}-bind_at_load"
-	      func_append finalize_command " ${wl}-bind_at_load"
+	      func_append compile_command " $wl-bind_at_load"
+	      func_append finalize_command " $wl-bind_at_load"
 	    ;;
 	  esac
 	fi
@@ -8757,7 +10250,7 @@
 	*) func_append new_libs " $deplib" ;;
 	esac
       done
-      compile_deplibs="$new_libs"
+      compile_deplibs=$new_libs
 
 
       func_append compile_command " $compile_deplibs"
@@ -8781,7 +10274,7 @@
 	if test -n "$hardcode_libdir_flag_spec"; then
 	  if test -n "$hardcode_libdir_separator"; then
 	    if test -z "$hardcode_libdirs"; then
-	      hardcode_libdirs="$libdir"
+	      hardcode_libdirs=$libdir
 	    else
 	      # Just accumulate the unique libdirs.
 	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
@@ -8804,7 +10297,7 @@
 	fi
 	case $host in
 	*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
-	  testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+	  testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'`
 	  case :$dllsearchpath: in
 	  *":$libdir:"*) ;;
 	  ::) dllsearchpath=$libdir;;
@@ -8821,10 +10314,10 @@
       # Substitute the hardcoded libdirs into the rpath.
       if test -n "$hardcode_libdir_separator" &&
 	 test -n "$hardcode_libdirs"; then
-	libdir="$hardcode_libdirs"
+	libdir=$hardcode_libdirs
 	eval rpath=\" $hardcode_libdir_flag_spec\"
       fi
-      compile_rpath="$rpath"
+      compile_rpath=$rpath
 
       rpath=
       hardcode_libdirs=
@@ -8832,7 +10325,7 @@
 	if test -n "$hardcode_libdir_flag_spec"; then
 	  if test -n "$hardcode_libdir_separator"; then
 	    if test -z "$hardcode_libdirs"; then
-	      hardcode_libdirs="$libdir"
+	      hardcode_libdirs=$libdir
 	    else
 	      # Just accumulate the unique libdirs.
 	      case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
@@ -8857,45 +10350,43 @@
       # Substitute the hardcoded libdirs into the rpath.
       if test -n "$hardcode_libdir_separator" &&
 	 test -n "$hardcode_libdirs"; then
-	libdir="$hardcode_libdirs"
+	libdir=$hardcode_libdirs
 	eval rpath=\" $hardcode_libdir_flag_spec\"
       fi
-      finalize_rpath="$rpath"
+      finalize_rpath=$rpath
 
-      if test -n "$libobjs" && test "$build_old_libs" = yes; then
+      if test -n "$libobjs" && test yes = "$build_old_libs"; then
 	# Transform all the library objects into standard objects.
 	compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
 	finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
       fi
 
-      func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+      func_generate_dlsyms "$outputname" "@PROGRAM@" false
 
       # template prelinking step
       if test -n "$prelink_cmds"; then
 	func_execute_cmds "$prelink_cmds" 'exit $?'
       fi
 
-      wrappers_required=yes
+      wrappers_required=:
       case $host in
       *cegcc* | *mingw32ce*)
         # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
-        wrappers_required=no
+        wrappers_required=false
         ;;
       *cygwin* | *mingw* )
-        if test "$build_libtool_libs" != yes; then
-          wrappers_required=no
-        fi
+        test yes = "$build_libtool_libs" || wrappers_required=false
         ;;
       *)
-        if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
-          wrappers_required=no
+        if test no = "$need_relink" || test yes != "$build_libtool_libs"; then
+          wrappers_required=false
         fi
         ;;
       esac
-      if test "$wrappers_required" = no; then
+      $wrappers_required || {
 	# Replace the output file specification.
 	compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
-	link_command="$compile_command$compile_rpath"
+	link_command=$compile_command$compile_rpath
 
 	# We have no uninstalled library dependencies, so finalize right now.
 	exit_status=0
@@ -8908,12 +10399,12 @@
 	fi
 
 	# Delete the generated files.
-	if test -f "$output_objdir/${outputname}S.${objext}"; then
-	  func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+	if test -f "$output_objdir/${outputname}S.$objext"; then
+	  func_show_eval '$RM "$output_objdir/${outputname}S.$objext"'
 	fi
 
 	exit $exit_status
-      fi
+      }
 
       if test -n "$compile_shlibpath$finalize_shlibpath"; then
 	compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
@@ -8943,9 +10434,9 @@
 	fi
       fi
 
-      if test "$no_install" = yes; then
+      if test yes = "$no_install"; then
 	# We don't need to create a wrapper script.
-	link_command="$compile_var$compile_command$compile_rpath"
+	link_command=$compile_var$compile_command$compile_rpath
 	# Replace the output file specification.
 	link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
 	# Delete the old output file.
@@ -8962,27 +10453,28 @@
 	exit $EXIT_SUCCESS
       fi
 
-      if test "$hardcode_action" = relink; then
-	# Fast installation is not supported
-	link_command="$compile_var$compile_command$compile_rpath"
-	relink_command="$finalize_var$finalize_command$finalize_rpath"
+      case $hardcode_action,$fast_install in
+        relink,*)
+	  # Fast installation is not supported
+	  link_command=$compile_var$compile_command$compile_rpath
+	  relink_command=$finalize_var$finalize_command$finalize_rpath
 
-	func_warning "this platform does not like uninstalled shared libraries"
-	func_warning "\`$output' will be relinked during installation"
-      else
-	if test "$fast_install" != no; then
-	  link_command="$finalize_var$compile_command$finalize_rpath"
-	  if test "$fast_install" = yes; then
-	    relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
-	  else
-	    # fast_install is set to needless
-	    relink_command=
-	  fi
-	else
-	  link_command="$compile_var$compile_command$compile_rpath"
-	  relink_command="$finalize_var$finalize_command$finalize_rpath"
-	fi
-      fi
+	  func_warning "this platform does not like uninstalled shared libraries"
+	  func_warning "'$output' will be relinked during installation"
+	  ;;
+        *,yes)
+	  link_command=$finalize_var$compile_command$finalize_rpath
+	  relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+          ;;
+	*,no)
+	  link_command=$compile_var$compile_command$compile_rpath
+	  relink_command=$finalize_var$finalize_command$finalize_rpath
+          ;;
+	*,needless)
+	  link_command=$finalize_var$compile_command$finalize_rpath
+	  relink_command=
+          ;;
+      esac
 
       # Replace the output file specification.
       link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
@@ -9039,8 +10531,8 @@
 	    func_dirname_and_basename "$output" "" "."
 	    output_name=$func_basename_result
 	    output_path=$func_dirname_result
-	    cwrappersource="$output_path/$objdir/lt-$output_name.c"
-	    cwrapper="$output_path/$output_name.exe"
+	    cwrappersource=$output_path/$objdir/lt-$output_name.c
+	    cwrapper=$output_path/$output_name.exe
 	    $RM $cwrappersource $cwrapper
 	    trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
 
@@ -9061,7 +10553,7 @@
 	    trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
 	    $opt_dry_run || {
 	      # note: this script will not be executed, so do not chmod.
-	      if test "x$build" = "x$host" ; then
+	      if test "x$build" = "x$host"; then
 		$cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
 	      else
 		func_emit_wrapper no > $func_ltwrapper_scriptname_result
@@ -9084,25 +10576,27 @@
     # See if we need to build an old-fashioned archive.
     for oldlib in $oldlibs; do
 
-      if test "$build_libtool_libs" = convenience; then
-	oldobjs="$libobjs_save $symfileobj"
-	addlibs="$convenience"
-	build_libtool_libs=no
-      else
-	if test "$build_libtool_libs" = module; then
-	  oldobjs="$libobjs_save"
+      case $build_libtool_libs in
+        convenience)
+	  oldobjs="$libobjs_save $symfileobj"
+	  addlibs=$convenience
 	  build_libtool_libs=no
-	else
+	  ;;
+	module)
+	  oldobjs=$libobjs_save
+	  addlibs=$old_convenience
+	  build_libtool_libs=no
+          ;;
+	*)
 	  oldobjs="$old_deplibs $non_pic_objects"
-	  if test "$preload" = yes && test -f "$symfileobj"; then
-	    func_append oldobjs " $symfileobj"
-	  fi
-	fi
-	addlibs="$old_convenience"
-      fi
+	  $preload && test -f "$symfileobj" \
+	    && func_append oldobjs " $symfileobj"
+	  addlibs=$old_convenience
+	  ;;
+      esac
 
       if test -n "$addlibs"; then
-	gentop="$output_objdir/${outputname}x"
+	gentop=$output_objdir/${outputname}x
 	func_append generated " $gentop"
 
 	func_extract_archives $gentop $addlibs
@@ -9110,13 +10604,13 @@
       fi
 
       # Do each command in the archive commands.
-      if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+      if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then
 	cmds=$old_archive_from_new_cmds
       else
 
 	# Add any objects from preloaded convenience libraries
 	if test -n "$dlprefiles"; then
-	  gentop="$output_objdir/${outputname}x"
+	  gentop=$output_objdir/${outputname}x
 	  func_append generated " $gentop"
 
 	  func_extract_archives $gentop $dlprefiles
@@ -9137,7 +10631,7 @@
 	  :
 	else
 	  echo "copying selected object files to avoid basename conflicts..."
-	  gentop="$output_objdir/${outputname}x"
+	  gentop=$output_objdir/${outputname}x
 	  func_append generated " $gentop"
 	  func_mkdir_p "$gentop"
 	  save_oldobjs=$oldobjs
@@ -9146,7 +10640,7 @@
 	  for obj in $save_oldobjs
 	  do
 	    func_basename "$obj"
-	    objbase="$func_basename_result"
+	    objbase=$func_basename_result
 	    case " $oldobjs " in
 	    " ") oldobjs=$obj ;;
 	    *[\ /]"$objbase "*)
@@ -9215,18 +10709,18 @@
 	    else
 	      # the above command should be used before it gets too long
 	      oldobjs=$objlist
-	      if test "$obj" = "$last_oldobj" ; then
+	      if test "$obj" = "$last_oldobj"; then
 		RANLIB=$save_RANLIB
 	      fi
 	      test -z "$concat_cmds" || concat_cmds=$concat_cmds~
-	      eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+	      eval concat_cmds=\"\$concat_cmds$old_archive_cmds\"
 	      objlist=
 	      len=$len0
 	    fi
 	  done
 	  RANLIB=$save_RANLIB
 	  oldobjs=$objlist
-	  if test "X$oldobjs" = "X" ; then
+	  if test -z "$oldobjs"; then
 	    eval cmds=\"\$concat_cmds\"
 	  else
 	    eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
@@ -9243,7 +10737,7 @@
     case $output in
     *.la)
       old_library=
-      test "$build_old_libs" = yes && old_library="$libname.$libext"
+      test yes = "$build_old_libs" && old_library=$libname.$libext
       func_verbose "creating $output"
 
       # Preserve any variables that may affect compiler behavior
@@ -9258,31 +10752,31 @@
 	fi
       done
       # Quote the link command for shipping.
-      relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+      relink_command="(cd `pwd`; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
       relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
-      if test "$hardcode_automatic" = yes ; then
+      if test yes = "$hardcode_automatic"; then
 	relink_command=
       fi
 
       # Only create the output if not a dry run.
       $opt_dry_run || {
 	for installed in no yes; do
-	  if test "$installed" = yes; then
+	  if test yes = "$installed"; then
 	    if test -z "$install_libdir"; then
 	      break
 	    fi
-	    output="$output_objdir/$outputname"i
+	    output=$output_objdir/${outputname}i
 	    # Replace all uninstalled libtool libraries with the installed ones
 	    newdependency_libs=
 	    for deplib in $dependency_libs; do
 	      case $deplib in
 	      *.la)
 		func_basename "$deplib"
-		name="$func_basename_result"
+		name=$func_basename_result
 		func_resolve_sysroot "$deplib"
-		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
 		test -z "$libdir" && \
-		  func_fatal_error "\`$deplib' is not a valid libtool archive"
+		  func_fatal_error "'$deplib' is not a valid libtool archive"
 		func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"
 		;;
 	      -L*)
@@ -9298,23 +10792,23 @@
 	      *) func_append newdependency_libs " $deplib" ;;
 	      esac
 	    done
-	    dependency_libs="$newdependency_libs"
+	    dependency_libs=$newdependency_libs
 	    newdlfiles=
 
 	    for lib in $dlfiles; do
 	      case $lib in
 	      *.la)
 	        func_basename "$lib"
-		name="$func_basename_result"
-		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		name=$func_basename_result
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
 		test -z "$libdir" && \
-		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		  func_fatal_error "'$lib' is not a valid libtool archive"
 		func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name"
 		;;
 	      *) func_append newdlfiles " $lib" ;;
 	      esac
 	    done
-	    dlfiles="$newdlfiles"
+	    dlfiles=$newdlfiles
 	    newdlprefiles=
 	    for lib in $dlprefiles; do
 	      case $lib in
@@ -9324,34 +10818,34 @@
 		# didn't already link the preopened objects directly into
 		# the library:
 		func_basename "$lib"
-		name="$func_basename_result"
-		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+		name=$func_basename_result
+		eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
 		test -z "$libdir" && \
-		  func_fatal_error "\`$lib' is not a valid libtool archive"
+		  func_fatal_error "'$lib' is not a valid libtool archive"
 		func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name"
 		;;
 	      esac
 	    done
-	    dlprefiles="$newdlprefiles"
+	    dlprefiles=$newdlprefiles
 	  else
 	    newdlfiles=
 	    for lib in $dlfiles; do
 	      case $lib in
-		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		[\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;;
 		*) abs=`pwd`"/$lib" ;;
 	      esac
 	      func_append newdlfiles " $abs"
 	    done
-	    dlfiles="$newdlfiles"
+	    dlfiles=$newdlfiles
 	    newdlprefiles=
 	    for lib in $dlprefiles; do
 	      case $lib in
-		[\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+		[\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;;
 		*) abs=`pwd`"/$lib" ;;
 	      esac
 	      func_append newdlprefiles " $abs"
 	    done
-	    dlprefiles="$newdlprefiles"
+	    dlprefiles=$newdlprefiles
 	  fi
 	  $RM $output
 	  # place dlname in correct position for cygwin
@@ -9367,10 +10861,9 @@
 	  case $host,$output,$installed,$module,$dlname in
 	    *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
 	      # If a -bindir argument was supplied, place the dll there.
-	      if test "x$bindir" != x ;
-	      then
+	      if test -n "$bindir"; then
 		func_relative_path "$install_libdir" "$bindir"
-		tdlname=$func_relative_path_result$dlname
+		tdlname=$func_relative_path_result/$dlname
 	      else
 		# Otherwise fall back on heuristic.
 		tdlname=../bin/$dlname
@@ -9379,7 +10872,7 @@
 	  esac
 	  $ECHO > $output "\
 # $outputname - a libtool library file
-# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+# Generated by $PROGRAM (GNU $PACKAGE) $VERSION
 #
 # Please DO NOT delete this file!
 # It is necessary for linking the library.
@@ -9393,7 +10886,7 @@
 # The name of the static archive.
 old_library='$old_library'
 
-# Linker flags that can not go in dependency_libs.
+# Linker flags that cannot go in dependency_libs.
 inherited_linker_flags='$new_inherited_linker_flags'
 
 # Libraries that this one depends upon.
@@ -9419,7 +10912,7 @@
 
 # Directory that this library needs to be installed in:
 libdir='$install_libdir'"
-	  if test "$installed" = no && test "$need_relink" = yes; then
+	  if test no,yes = "$installed,$need_relink"; then
 	    $ECHO >> $output "\
 relink_command=\"$relink_command\""
 	  fi
@@ -9434,27 +10927,29 @@
     exit $EXIT_SUCCESS
 }
 
-{ test "$opt_mode" = link || test "$opt_mode" = relink; } &&
-    func_mode_link ${1+"$@"}
+if test link = "$opt_mode" || test relink = "$opt_mode"; then
+  func_mode_link ${1+"$@"}
+fi
 
 
 # func_mode_uninstall arg...
 func_mode_uninstall ()
 {
-    $opt_debug
-    RM="$nonopt"
+    $debug_cmd
+
+    RM=$nonopt
     files=
-    rmforce=
+    rmforce=false
     exit_status=0
 
     # This variable tells wrapper scripts just to set variables rather
     # than running their programs.
-    libtool_install_magic="$magic"
+    libtool_install_magic=$magic
 
     for arg
     do
       case $arg in
-      -f) func_append RM " $arg"; rmforce=yes ;;
+      -f) func_append RM " $arg"; rmforce=: ;;
       -*) func_append RM " $arg" ;;
       *) func_append files " $arg" ;;
       esac
@@ -9467,18 +10962,18 @@
 
     for file in $files; do
       func_dirname "$file" "" "."
-      dir="$func_dirname_result"
-      if test "X$dir" = X.; then
-	odir="$objdir"
+      dir=$func_dirname_result
+      if test . = "$dir"; then
+	odir=$objdir
       else
-	odir="$dir/$objdir"
+	odir=$dir/$objdir
       fi
       func_basename "$file"
-      name="$func_basename_result"
-      test "$opt_mode" = uninstall && odir="$dir"
+      name=$func_basename_result
+      test uninstall = "$opt_mode" && odir=$dir
 
       # Remember odir for removal later, being careful to avoid duplicates
-      if test "$opt_mode" = clean; then
+      if test clean = "$opt_mode"; then
 	case " $rmdirs " in
 	  *" $odir "*) ;;
 	  *) func_append rmdirs " $odir" ;;
@@ -9493,11 +10988,11 @@
       elif test -d "$file"; then
 	exit_status=1
 	continue
-      elif test "$rmforce" = yes; then
+      elif $rmforce; then
 	continue
       fi
 
-      rmfiles="$file"
+      rmfiles=$file
 
       case $name in
       *.la)
@@ -9511,7 +11006,7 @@
 	  done
 	  test -n "$old_library" && func_append rmfiles " $odir/$old_library"
 
-	  case "$opt_mode" in
+	  case $opt_mode in
 	  clean)
 	    case " $library_names " in
 	    *" $dlname "*) ;;
@@ -9522,12 +11017,12 @@
 	  uninstall)
 	    if test -n "$library_names"; then
 	      # Do each command in the postuninstall commands.
-	      func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	      func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1'
 	    fi
 
 	    if test -n "$old_library"; then
 	      # Do each command in the old_postuninstall commands.
-	      func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+	      func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1'
 	    fi
 	    # FIXME: should reinstall the best remaining shared library.
 	    ;;
@@ -9543,21 +11038,19 @@
 	  func_source $dir/$name
 
 	  # Add PIC object to the list of files to remove.
-	  if test -n "$pic_object" &&
-	     test "$pic_object" != none; then
+	  if test -n "$pic_object" && test none != "$pic_object"; then
 	    func_append rmfiles " $dir/$pic_object"
 	  fi
 
 	  # Add non-PIC object to the list of files to remove.
-	  if test -n "$non_pic_object" &&
-	     test "$non_pic_object" != none; then
+	  if test -n "$non_pic_object" && test none != "$non_pic_object"; then
 	    func_append rmfiles " $dir/$non_pic_object"
 	  fi
 	fi
 	;;
 
       *)
-	if test "$opt_mode" = clean ; then
+	if test clean = "$opt_mode"; then
 	  noexename=$name
 	  case $file in
 	  *.exe)
@@ -9584,12 +11077,12 @@
 
 	    # note $name still contains .exe if it was in $file originally
 	    # as does the version of $file that was added into $rmfiles
-	    func_append rmfiles " $odir/$name $odir/${name}S.${objext}"
-	    if test "$fast_install" = yes && test -n "$relink_command"; then
+	    func_append rmfiles " $odir/$name $odir/${name}S.$objext"
+	    if test yes = "$fast_install" && test -n "$relink_command"; then
 	      func_append rmfiles " $odir/lt-$name"
 	    fi
-	    if test "X$noexename" != "X$name" ; then
-	      func_append rmfiles " $odir/lt-${noexename}.c"
+	    if test "X$noexename" != "X$name"; then
+	      func_append rmfiles " $odir/lt-$noexename.c"
 	    fi
 	  fi
 	fi
@@ -9598,7 +11091,7 @@
       func_show_eval "$RM $rmfiles" 'exit_status=1'
     done
 
-    # Try to remove the ${objdir}s in the directories where we deleted files
+    # Try to remove the $objdir's in the directories where we deleted files
     for dir in $rmdirs; do
       if test -d "$dir"; then
 	func_show_eval "rmdir $dir >/dev/null 2>&1"
@@ -9608,16 +11101,17 @@
     exit $exit_status
 }
 
-{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } &&
-    func_mode_uninstall ${1+"$@"}
+if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then
+  func_mode_uninstall ${1+"$@"}
+fi
 
 test -z "$opt_mode" && {
-  help="$generic_help"
+  help=$generic_help
   func_fatal_help "you must specify a MODE"
 }
 
 test -z "$exec_cmd" && \
-  func_fatal_help "invalid operation mode \`$opt_mode'"
+  func_fatal_help "invalid operation mode '$opt_mode'"
 
 if test -n "$exec_cmd"; then
   eval exec "$exec_cmd"
@@ -9628,7 +11122,7 @@
 
 
 # The TAGs below are defined such that we never get into a situation
-# in which we disable both kinds of libraries.  Given conflicting
+# where we disable both kinds of libraries.  Given conflicting
 # choices, we go for a static library, that is the most portable,
 # since we can't tell whether shared libraries were disabled because
 # the user asked for that or because the platform doesn't support
@@ -9651,5 +11145,3 @@
 # mode:shell-script
 # sh-indentation:2
 # End:
-# vi:sw=2
-
diff --git a/m4/ac_backport_259_ssizet.m4 b/m4/ac_backport_259_ssizet.m4
new file mode 100644
index 0000000..75fde38
--- /dev/null
+++ b/m4/ac_backport_259_ssizet.m4
@@ -0,0 +1,3 @@
+AN_IDENTIFIER([ssize_t], [AC_TYPE_SSIZE_T])
+AC_DEFUN([AC_TYPE_SSIZE_T], [AC_CHECK_TYPE(ssize_t, int)])
+
diff --git a/m4/acx_pthread.m4 b/m4/acx_pthread.m4
new file mode 100644
index 0000000..d2b1169
--- /dev/null
+++ b/m4/acx_pthread.m4
@@ -0,0 +1,279 @@
+##### http://autoconf-archive.cryp.to/acx_pthread.html
+#
+# SYNOPSIS
+#
+#   ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+#
+# DESCRIPTION
+#
+#   This macro figures out how to build C programs using POSIX threads.
+#   It sets the PTHREAD_LIBS output variable to the threads library and
+#   linker flags, and the PTHREAD_CFLAGS output variable to any special
+#   C compiler flags that are needed. (The user can also force certain
+#   compiler flags/libs to be tested by setting these environment
+#   variables.)
+#
+#   Also sets PTHREAD_CC to any special C compiler that is needed for
+#   multi-threaded programs (defaults to the value of CC otherwise).
+#   (This is necessary on AIX to use the special cc_r compiler alias.)
+#
+#   NOTE: You are assumed to not only compile your program with these
+#   flags, but also link it with them as well. e.g. you should link
+#   with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS
+#   $LIBS
+#
+#   If you are only building threads programs, you may wish to use
+#   these variables in your default LIBS, CFLAGS, and CC:
+#
+#          LIBS="$PTHREAD_LIBS $LIBS"
+#          CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+#          CC="$PTHREAD_CC"
+#
+#   In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute
+#   constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to
+#   that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
+#
+#   ACTION-IF-FOUND is a list of shell commands to run if a threads
+#   library is found, and ACTION-IF-NOT-FOUND is a list of commands to
+#   run it if it is not found. If ACTION-IF-FOUND is not specified, the
+#   default action will define HAVE_PTHREAD.
+#
+#   Please let the authors know if this macro fails on any platform, or
+#   if you have any other suggestions or comments. This macro was based
+#   on work by SGJ on autoconf scripts for FFTW (http://www.fftw.org/)
+#   (with help from M. Frigo), as well as ac_pthread and hb_pthread
+#   macros posted by Alejandro Forero Cuervo to the autoconf macro
+#   repository. We are also grateful for the helpful feedback of
+#   numerous users.
+#
+# LAST MODIFICATION
+#
+#   2007-07-29
+#
+# COPYLEFT
+#
+#   Copyright (c) 2007 Steven G. Johnson <stevenj@alum.mit.edu>
+#
+#   This program is free software: you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation, either version 3 of the
+#   License, or (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#   General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program. If not, see
+#   <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright
+#   owner gives unlimited permission to copy, distribute and modify the
+#   configure scripts that are the output of Autoconf when processing
+#   the Macro. You need not follow the terms of the GNU General Public
+#   License when using or distributing such scripts, even though
+#   portions of the text of the Macro appear in them. The GNU General
+#   Public License (GPL) does govern all other use of the material that
+#   constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the
+#   Autoconf Macro released by the Autoconf Macro Archive. When you
+#   make and distribute a modified version of the Autoconf Macro, you
+#   may extend this special exception to the GPL to apply to your
+#   modified version as well.
+
+AC_DEFUN([ACX_PTHREAD], [
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_LANG_SAVE
+AC_LANG_C
+acx_pthread_ok=no
+
+# We used to check for pthread.h first, but this fails if pthread.h
+# requires special compiler flags (e.g. on True64 or Sequent).
+# It gets checked for in the link test anyway.
+
+# First of all, check if the user has set any of the PTHREAD_LIBS,
+# etcetera environment variables, and if threads linking works using
+# them:
+if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        save_LIBS="$LIBS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
+        AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
+        AC_MSG_RESULT($acx_pthread_ok)
+        if test x"$acx_pthread_ok" = xno; then
+                PTHREAD_LIBS=""
+                PTHREAD_CFLAGS=""
+        fi
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+fi
+
+# We must check for the threads library under a number of different
+# names; the ordering is very important because some systems
+# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
+# libraries is broken (non-POSIX).
+
+# Create a list of thread flags to try.  Items starting with a "-" are
+# C compiler flags, and other items are library names, except for "none"
+# which indicates that we try without any flags at all, and "pthread-config"
+# which is a program returning the flags for the Pth emulation library.
+
+acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+
+# The ordering *is* (sometimes) important.  Some notes on the
+# individual items follow:
+
+# pthreads: AIX (must check this before -lpthread)
+# none: in case threads are in libc; should be tried before -Kthread and
+#       other compiler flags to prevent continual compiler warnings
+# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
+# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
+# -pthreads: Solaris/gcc
+# -mthreads: Mingw32/gcc, Lynx/gcc
+# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
+#      doesn't hurt to check since this sometimes defines pthreads too;
+#      also defines -D_REENTRANT)
+#      ... -mt is also the pthreads flag for HP/aCC
+# pthread: Linux, etcetera
+# --thread-safe: KAI C++
+# pthread-config: use pthread-config program (for GNU Pth library)
+
+case "${host_cpu}-${host_os}" in
+        *solaris*)
+
+        # On Solaris (at least, for some versions), libc contains stubbed
+        # (non-functional) versions of the pthreads routines, so link-based
+        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
+        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
+        # a function called by this macro, so we could check for that, but
+        # who knows whether they'll stub that too in a future libc.)  So,
+        # we'll just look for -pthreads and -lpthread first:
+
+        acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
+        ;;
+esac
+
+if test x"$acx_pthread_ok" = xno; then
+for flag in $acx_pthread_flags; do
+
+        case $flag in
+                none)
+                AC_MSG_CHECKING([whether pthreads work without any flags])
+                ;;
+
+                -*)
+                AC_MSG_CHECKING([whether pthreads work with $flag])
+                PTHREAD_CFLAGS="$flag"
+                ;;
+
+		pthread-config)
+		AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
+		if test x"$acx_pthread_config" = xno; then continue; fi
+		PTHREAD_CFLAGS="`pthread-config --cflags`"
+		PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
+		;;
+
+                *)
+                AC_MSG_CHECKING([for the pthreads library -l$flag])
+                PTHREAD_LIBS="-l$flag"
+                ;;
+        esac
+
+        save_LIBS="$LIBS"
+        save_CFLAGS="$CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+
+        # Check for various functions.  We must include pthread.h,
+        # since some functions may be macros.  (On the Sequent, we
+        # need a special flag -Kthread to make this header compile.)
+        # We check for pthread_join because it is in -lpthread on IRIX
+        # while pthread_create is in libc.  We check for pthread_attr_init
+        # due to DEC craziness with -lpthreads.  We check for
+        # pthread_cleanup_push because it is one of the few pthread
+        # functions on Solaris that doesn't have a non-functional libc stub.
+        # We try pthread_create on general principles.
+        AC_TRY_LINK([#include <pthread.h>],
+                    [pthread_t th; pthread_join(th, 0);
+                     pthread_attr_init(0); pthread_cleanup_push(0, 0);
+                     pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
+                    [acx_pthread_ok=yes])
+
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+
+        AC_MSG_RESULT($acx_pthread_ok)
+        if test "x$acx_pthread_ok" = xyes; then
+                break;
+        fi
+
+        PTHREAD_LIBS=""
+        PTHREAD_CFLAGS=""
+done
+fi
+
+# Various other checks:
+if test "x$acx_pthread_ok" = xyes; then
+        save_LIBS="$LIBS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+
+        # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
+	AC_MSG_CHECKING([for joinable pthread attribute])
+	attr_name=unknown
+	for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+	    AC_TRY_LINK([#include <pthread.h>], [int attr=$attr; return attr;],
+                        [attr_name=$attr; break])
+	done
+        AC_MSG_RESULT($attr_name)
+        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
+            AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
+                               [Define to necessary symbol if this constant
+                                uses a non-standard name on your system.])
+        fi
+
+        AC_MSG_CHECKING([if more special flags are required for pthreads])
+        flag=no
+        case "${host_cpu}-${host_os}" in
+            *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
+            *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
+        esac
+        AC_MSG_RESULT(${flag})
+        if test "x$flag" != xno; then
+            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
+        fi
+
+        LIBS="$save_LIBS"
+        CFLAGS="$save_CFLAGS"
+
+        # More AIX lossage: must compile with xlc_r or cc_r
+	if test x"$GCC" != xyes; then
+          AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
+        else
+          PTHREAD_CC=$CC
+	fi
+else
+        PTHREAD_CC="$CC"
+fi
+
+AC_SUBST(PTHREAD_LIBS)
+AC_SUBST(PTHREAD_CFLAGS)
+AC_SUBST(PTHREAD_CC)
+
+# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
+if test x"$acx_pthread_ok" = xyes; then
+        ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
+        :
+else
+        acx_pthread_ok=no
+        $2
+fi
+AC_LANG_RESTORE
+])dnl ACX_PTHREAD
diff --git a/m4/libevent_openssl.m4 b/m4/libevent_openssl.m4
new file mode 100644
index 0000000..c204059
--- /dev/null
+++ b/m4/libevent_openssl.m4
@@ -0,0 +1,52 @@
+dnl ######################################################################
+dnl OpenSSL support
+AC_DEFUN([LIBEVENT_OPENSSL], [
+AC_REQUIRE([NTP_PKG_CONFIG])dnl
+
+case "$enable_openssl" in
+ yes)
+    have_openssl=no
+    case "$PKG_CONFIG" in
+     '')
+	;;
+     *)
+	OPENSSL_LIBS=`$PKG_CONFIG --libs openssl 2>/dev/null`
+	case "$OPENSSL_LIBS" in
+	 '') ;;
+	 *) OPENSSL_LIBS="$OPENSSL_LIBS $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
+	    have_openssl=yes
+	    ;;
+	esac
+	OPENSSL_INCS=`$PKG_CONFIG --cflags openssl 2>/dev/null`
+	;;
+    esac
+    case "$have_openssl" in
+     yes) ;;
+     *)
+	save_LIBS="$LIBS"
+	LIBS=""
+	OPENSSL_LIBS=""
+	for lib in crypto eay32; do
+		# clear cache
+		unset ac_cv_search_SSL_new
+		AC_SEARCH_LIBS([SSL_new], [ssl ssl32],
+		    [have_openssl=yes
+		    OPENSSL_LIBS="$LIBS -l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"],
+		    [have_openssl=no],
+		    [-l$lib $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD])
+		LIBS="$save_LIBS"
+		test "$have_openssl" = "yes" && break
+	done
+	;;
+    esac
+    AC_SUBST(OPENSSL_INCS)
+    AC_SUBST(OPENSSL_LIBS)
+    case "$have_openssl" in
+     yes)  AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl]) ;;
+    esac
+    ;;
+esac
+
+# check if we have and should use openssl
+AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"])
+])
diff --git a/m4/libtool.m4 b/m4/libtool.m4
new file mode 100644
index 0000000..a3bc337
--- /dev/null
+++ b/m4/libtool.m4
@@ -0,0 +1,8369 @@
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+#   Copyright (C) 1996-2001, 2003-2015 Free Software Foundation, Inc.
+#   Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+])
+
+# serial 58 LT_INIT
+
+
+# LT_PREREQ(VERSION)
+# ------------------
+# Complain and exit if this libtool version is less that VERSION.
+m4_defun([LT_PREREQ],
+[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,
+       [m4_default([$3],
+		   [m4_fatal([Libtool version $1 or higher is required],
+		             63)])],
+       [$2])])
+
+
+# _LT_CHECK_BUILDDIR
+# ------------------
+# Complain if the absolute build directory name contains unusual characters
+m4_defun([_LT_CHECK_BUILDDIR],
+[case `pwd` in
+  *\ * | *\	*)
+    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;
+esac
+])
+
+
+# LT_INIT([OPTIONS])
+# ------------------
+AC_DEFUN([LT_INIT],
+[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
+AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+AC_BEFORE([$0], [LT_LANG])dnl
+AC_BEFORE([$0], [LT_OUTPUT])dnl
+AC_BEFORE([$0], [LTDL_INIT])dnl
+m4_require([_LT_CHECK_BUILDDIR])dnl
+
+dnl Autoconf doesn't catch unexpanded LT_ macros by default:
+m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
+m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
+dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
+dnl unless we require an AC_DEFUNed macro:
+AC_REQUIRE([LTOPTIONS_VERSION])dnl
+AC_REQUIRE([LTSUGAR_VERSION])dnl
+AC_REQUIRE([LTVERSION_VERSION])dnl
+AC_REQUIRE([LTOBSOLETE_VERSION])dnl
+m4_require([_LT_PROG_LTMAIN])dnl
+
+_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}])
+
+dnl Parse OPTIONS
+_LT_SET_OPTIONS([$0], [$1])
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS=$ltmain
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+AC_SUBST(LIBTOOL)dnl
+
+_LT_SETUP
+
+# Only expand once:
+m4_define([LT_INIT])
+])# LT_INIT
+
+# Old names:
+AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
+AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
+dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
+
+
+# _LT_PREPARE_CC_BASENAME
+# -----------------------
+m4_defun([_LT_PREPARE_CC_BASENAME], [
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in @S|@*""; do
+      case $cc_temp in
+        compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;
+        distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+])# _LT_PREPARE_CC_BASENAME
+
+
+# _LT_CC_BASENAME(CC)
+# -------------------
+# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
+# but that macro is also expanded into generated libtool script, which
+# arranges for $SED and $ECHO to be set by different means.
+m4_defun([_LT_CC_BASENAME],
+[m4_require([_LT_PREPARE_CC_BASENAME])dnl
+AC_REQUIRE([_LT_DECL_SED])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+func_cc_basename $1
+cc_basename=$func_cc_basename_result
+])
+
+
+# _LT_FILEUTILS_DEFAULTS
+# ----------------------
+# It is okay to use these file commands and assume they have been set
+# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+m4_require([_LT_CMD_TRUNCATE])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options that allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}"; then
+   setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+
+case $host_os in
+aix3*)
+  # AIX sometimes has problems with the GCC collect2 program.  For some
+  # reason, if we set the COLLECT_NAMES environment variable, the problems
+  # vanish in a puff of smoke.
+  if test set != "${COLLECT_NAMES+set}"; then
+    COLLECT_NAMES=
+    export COLLECT_NAMES
+  fi
+  ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a '.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+old_CC=$CC
+old_CFLAGS=$CFLAGS
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+    _LT_PATH_MAGIC
+  fi
+  ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from 'configure', and 'config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,
+# 'config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain=$ac_aux_dir/ltmain.sh
+])# _LT_PROG_LTMAIN
+
+
+## ------------------------------------- ##
+## Accumulate code for creating libtool. ##
+## ------------------------------------- ##
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the 'libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+                     [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+## ------------------------ ##
+## FIXME: Eliminate VARNAME ##
+## ------------------------ ##
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME.  Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+	[m4_ifval([$1], [$1], [$2])])
+    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+    m4_ifval([$4],
+	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+    lt_dict_add_subkey([lt_decl_dict], [$2],
+	[tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+  [0], [m4_fatal([$0: too few arguments: $#])],
+  [1], [m4_fatal([$0: too few arguments: $#: $1])],
+  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+  [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+     m4_if([$2], [],
+	   m4_quote(lt_decl_varnames),
+	m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to 'config.status' so that its
+# declaration there will have the same value as in 'configure'.  VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly.  In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+#    <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags='_LT_TAGS'dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+#    # Some comment about what VAR is for.
+#    visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+					   [description])))[]dnl
+m4_pushdef([_libtool_name],
+    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+    [0], [_libtool_name=[$]$1],
+    [1], [_libtool_name=$lt_[]$1],
+    [2], [_libtool_name=$lt_[]$1],
+    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool'
+# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into 'config.status', and then the shell code to quote escape them in
+# for loops in 'config.status'.  Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+	dnl If the libtool generation code has been placed in $CONFIG_LT,
+	dnl instead of duplicating it all over again into config.status,
+	dnl then we will have config.status run $CONFIG_LT later, so it
+	dnl needs to know what name is stored there:
+        [AC_CONFIG_COMMANDS([libtool],
+            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+    dnl If the libtool generation code is destined for config.status,
+    dnl expand the accumulated commands and init code now:
+    [AC_CONFIG_COMMANDS([libtool],
+        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+  eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+    *[[\\\\\\\`\\"\\\$]]*)
+      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
+      ;;
+    *)
+      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+      ;;
+    esac
+done
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable.  If COMMENT is supplied, it is inserted after the
+# '#!' sequence but before initialization text begins.  After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script.  The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test 0 = "$lt_write_fail" && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+  echo
+  AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+'$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+  -h, --help      print this help, then exit
+  -V, --version   print version number, then exit
+  -q, --quiet     do not print progress messages
+  -d, --debug     don't remove temporary files
+
+Report bugs to <bug-libtool@gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test 0 != $[#]
+do
+  case $[1] in
+    --version | --v* | -V )
+      echo "$lt_cl_version"; exit 0 ;;
+    --help | --h* | -h )
+      echo "$lt_cl_help"; exit 0 ;;
+    --debug | --d* | -d )
+      debug=: ;;
+    --quiet | --q* | --silent | --s* | -q )
+      lt_cl_silent=: ;;
+
+    -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try '$[0] --help' for more information.]) ;;
+
+    *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try '$[0] --help' for more information.]) ;;
+  esac
+  shift
+done
+
+if $lt_cl_silent; then
+  exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure.  Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test yes = "$silent" &&
+  lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars.  Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+  m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+  m4_if(_LT_TAG, [C], [
+    # See if we are running on zsh, and set the options that allow our
+    # commands through without removal of \ escapes.
+    if test -n "${ZSH_VERSION+set}"; then
+      setopt NO_GLOB_SUBST
+    fi
+
+    cfgfile=${ofile}T
+    trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+    $RM "$cfgfile"
+
+    cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+# Generated automatically by $as_me ($PACKAGE) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_PREPARE_MUNGE_PATH_LIST
+_LT_PREPARE_CC_BASENAME
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
+  case $host_os in
+  aix3*)
+    cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program.  For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test set != "${COLLECT_NAMES+set}"; then
+  COLLECT_NAMES=
+  export COLLECT_NAMES
+fi
+_LT_EOF
+    ;;
+  esac
+
+  _LT_PROG_LTMAIN
+
+  # We use sed instead of cat because bash on DJGPP gets confused if
+  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
+  # text mode, it properly converts lines to CR/LF.  This bash problem
+  # is reportedly fixed, but why not run on old versions too?
+  sed '$q' "$ltmain" >> "$cfgfile" \
+     || (rm -f "$cfgfile"; exit 1)
+
+   mv -f "$cfgfile" "$ofile" ||
+    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+  chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+    PACKAGE='$PACKAGE'
+    VERSION='$VERSION'
+    RM='$RM'
+    ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+#    autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+  [C],			[_LT_LANG(C)],
+  [C++],		[_LT_LANG(CXX)],
+  [Go],			[_LT_LANG(GO)],
+  [Java],		[_LT_LANG(GCJ)],
+  [Fortran 77],		[_LT_LANG(F77)],
+  [Fortran],		[_LT_LANG(FC)],
+  [Windows Resource],	[_LT_LANG(RC)],
+  [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+    [_LT_LANG($1)],
+    [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+  [LT_SUPPORTED_TAG([$1])dnl
+  m4_append([_LT_TAGS], [$1 ])dnl
+  m4_define([_LT_LANG_]$1[_enabled], [])dnl
+  _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+m4_ifndef([AC_PROG_GO], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC],     [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+  fi
+fi
+if test -z "$GOC"; then
+  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+  [LT_LANG(CXX)],
+  [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+  [LT_LANG(F77)],
+  [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+  [LT_LANG(FC)],
+  [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+  [LT_LANG(GCJ)],
+  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+    [LT_LANG(GCJ)],
+    [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+      [LT_LANG(GCJ)],
+      [m4_ifdef([AC_PROG_GCJ],
+	[m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([A][M_PROG_GCJ],
+	[m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+       m4_ifdef([LT_PROG_GCJ],
+	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+  [LT_LANG(GO)],
+  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+  [LT_LANG(RC)],
+  [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+  case $host_os in
+    rhapsody* | darwin*)
+    AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+    AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+    AC_CHECK_TOOL([LIPO], [lipo], [:])
+    AC_CHECK_TOOL([OTOOL], [otool], [:])
+    AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+    _LT_DECL([], [DSYMUTIL], [1],
+      [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+    _LT_DECL([], [NMEDIT], [1],
+      [Tool to change global to local symbols on Mac OS X])
+    _LT_DECL([], [LIPO], [1],
+      [Tool to manipulate fat objects and archives on Mac OS X])
+    _LT_DECL([], [OTOOL], [1],
+      [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+    _LT_DECL([], [OTOOL64], [1],
+      [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+    AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+      [lt_cv_apple_cc_single_mod=no
+      if test -z "$LT_MULTI_MODULE"; then
+	# By default we will add the -single_module flag. You can override
+	# by either setting the environment variable LT_MULTI_MODULE
+	# non-empty at configure time, or by adding -multi_module to the
+	# link flags.
+	rm -rf libconftest.dylib*
+	echo "int foo(void){return 1;}" > conftest.c
+	echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+        _lt_result=$?
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test 0 = "$_lt_result"; then
+	  lt_cv_apple_cc_single_mod=yes
+	else
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	fi
+	rm -rf libconftest.dylib*
+	rm -f conftest.*
+      fi])
+
+    AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+      [lt_cv_ld_exported_symbols_list],
+      [lt_cv_ld_exported_symbols_list=no
+      save_LDFLAGS=$LDFLAGS
+      echo "_main" > conftest.sym
+      LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+	[lt_cv_ld_exported_symbols_list=yes],
+	[lt_cv_ld_exported_symbols_list=no])
+	LDFLAGS=$save_LDFLAGS
+    ])
+
+    AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+      [lt_cv_ld_force_load=no
+      cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+      echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+      $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
+      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
+      cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+      echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+      $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+      _lt_result=$?
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then
+	lt_cv_ld_force_load=yes
+      else
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      fi
+        rm -f conftest.err libconftest.a conftest conftest.c
+        rm -rf conftest.dSYM
+    ])
+    case $host_os in
+    rhapsody* | darwin1.[[012]])
+      _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;;
+    darwin1.*)
+      _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+    darwin*) # darwin 5.x on
+      # if running on 10.5 or later, the deployment target defaults
+      # to the OS version, if on x86, and 10.4, the deployment
+      # target defaults to 10.4. Don't you love it?
+      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
+	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+	10.[[012]][[,.]]*)
+	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
+	10.*)
+	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
+      esac
+    ;;
+  esac
+    if test yes = "$lt_cv_apple_cc_single_mod"; then
+      _lt_dar_single_mod='$single_module'
+    fi
+    if test yes = "$lt_cv_ld_exported_symbols_list"; then
+      _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym'
+    else
+      _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib'
+    fi
+    if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then
+      _lt_dsymutil='~$DSYMUTIL $lib || :'
+    else
+      _lt_dsymutil=
+    fi
+    ;;
+  esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES([TAG])
+# ---------------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+  m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_automatic, $1)=yes
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  if test yes = "$lt_cv_ld_force_load"; then
+    _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+  else
+    _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+  fi
+  _LT_TAGVAR(link_all_deplibs, $1)=yes
+  _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined
+  case $cc_basename in
+     ifort*|nagfor*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test yes = "$_lt_dar_can_shared"; then
+    output_verbose_link_cmd=func_echo_all
+    _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil"
+    _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil"
+    _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil"
+    _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil"
+    m4_if([$1], [CXX],
+[   if test yes != "$lt_cv_apple_cc_single_mod"; then
+      _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil"
+      _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil"
+    fi
+],[])
+  else
+  _LT_TAGVAR(ld_shlibs, $1)=no
+  fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
+# ----------------------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+# Store the results from the different compilers for each TAGNAME.
+# Allow to override them for all tags through lt_cv_aix_libpath.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+if test set = "${lt_cv_aix_libpath+set}"; then
+  aix_libpath=$lt_cv_aix_libpath
+else
+  AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
+  [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
+  lt_aix_libpath_sed='[
+      /Import File Strings/,/^$/ {
+	  /^0/ {
+	      s/^0  *\([^ ]*\) *$/\1/
+	      p
+	  }
+      }]'
+  _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  # Check for a 64-bit object if we didn't find anything.
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+  fi],[])
+  if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+    _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib
+  fi
+  ])
+  aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
+fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[m4_divert_text([M4SH-INIT], [$1
+])])# _LT_SHELL_INIT
+
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Find how we can fake an echo command that does not interpret backslash.
+# In particular, with Autoconf 2.60 or later we add some code to the start
+# of the generated configure script that will find a shell with a builtin
+# printf (that we can use as an echo command).
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+AC_MSG_CHECKING([how to print strings])
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+   test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+  ECHO='printf %s\n'
+else
+  # Use this function as a fallback that always works.
+  func_fallback_echo ()
+  {
+    eval 'cat <<_LTECHO_EOF
+$[]1
+_LTECHO_EOF'
+  }
+  ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+    $ECHO "$*"
+}
+
+case $ECHO in
+  printf*) AC_MSG_RESULT([printf]) ;;
+  print*) AC_MSG_RESULT([print -r]) ;;
+  *) AC_MSG_RESULT([cat]) ;;
+esac
+
+m4_ifdef([_AS_DETECT_SUGGESTED],
+[_AS_DETECT_SUGGESTED([
+  test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
+    ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+    ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+    PATH=/empty FPATH=/empty; export PATH FPATH
+    test "X`printf %s $ECHO`" = "X$ECHO" \
+      || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
+
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_WITH_SYSROOT
+# ----------------
+AC_DEFUN([_LT_WITH_SYSROOT],
+[AC_MSG_CHECKING([for sysroot])
+AC_ARG_WITH([sysroot],
+[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@],
+  [Search for dependent libraries within DIR (or the compiler's sysroot
+   if not specified).])],
+[], [with_sysroot=no])
+
+dnl lt_sysroot will always be passed unquoted.  We quote it here
+dnl in case the user passed a directory name.
+lt_sysroot=
+case $with_sysroot in #(
+ yes)
+   if test yes = "$GCC"; then
+     lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+   fi
+   ;; #(
+ /*)
+   lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+   ;; #(
+ no|'')
+   ;; #(
+ *)
+   AC_MSG_RESULT([$with_sysroot])
+   AC_MSG_ERROR([The sysroot must be an absolute path.])
+   ;;
+esac
+
+ AC_MSG_RESULT([${lt_sysroot:-no}])
+_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
+[dependent libraries, and where our libraries should be installed.])])
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+  [AS_HELP_STRING([--disable-libtool-lock],
+    [avoid locking (might break parallel builds)])])
+test no = "$enable_libtool_lock" || enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+  # Find out what ABI is being produced by ac_compile, and set mode
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.$ac_objext` in
+      *ELF-32*)
+	HPUX_IA64_MODE=32
+	;;
+      *ELF-64*)
+	HPUX_IA64_MODE=64
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+*-*-irix6*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    if test yes = "$lt_cv_prog_gnu_ld"; then
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -melf32bsmip"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -melf32bmipn32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -melf64bmip"
+	;;
+      esac
+    else
+      case `/usr/bin/file conftest.$ac_objext` in
+	*32-bit*)
+	  LD="${LD-ld} -32"
+	  ;;
+	*N32*)
+	  LD="${LD-ld} -n32"
+	  ;;
+	*64-bit*)
+	  LD="${LD-ld} -64"
+	  ;;
+      esac
+    fi
+  fi
+  rm -rf conftest*
+  ;;
+
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    emul=elf
+    case `/usr/bin/file conftest.$ac_objext` in
+      *32-bit*)
+	emul="${emul}32"
+	;;
+      *64-bit*)
+	emul="${emul}64"
+	;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *MSB*)
+	emul="${emul}btsmip"
+	;;
+      *LSB*)
+	emul="${emul}ltsmip"
+	;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *N32*)
+	emul="${emul}n32"
+	;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.  Note that the listed cases only cover the
+  # situations where additional linker options are needed (such as when
+  # doing 32-bit compilation for a host where ld defaults to 64-bit, or
+  # vice versa); the common cases where no linker options are needed do
+  # not appear in the list.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+      *32-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_i386_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
+	    ;;
+	  powerpc64le-*linux*)
+	    LD="${LD-ld} -m elf32lppclinux"
+	    ;;
+	  powerpc64-*linux*)
+	    LD="${LD-ld} -m elf32ppclinux"
+	    ;;
+	  s390x-*linux*)
+	    LD="${LD-ld} -m elf_s390"
+	    ;;
+	  sparc64-*linux*)
+	    LD="${LD-ld} -m elf32_sparc"
+	    ;;
+	esac
+	;;
+      *64-bit*)
+	case $host in
+	  x86_64-*kfreebsd*-gnu)
+	    LD="${LD-ld} -m elf_x86_64_fbsd"
+	    ;;
+	  x86_64-*linux*)
+	    LD="${LD-ld} -m elf_x86_64"
+	    ;;
+	  powerpcle-*linux*)
+	    LD="${LD-ld} -m elf64lppc"
+	    ;;
+	  powerpc-*linux*)
+	    LD="${LD-ld} -m elf64ppc"
+	    ;;
+	  s390*-*linux*|s390*-*tpf*)
+	    LD="${LD-ld} -m elf64_s390"
+	    ;;
+	  sparc*-*linux*)
+	    LD="${LD-ld} -m elf64_sparc"
+	    ;;
+	esac
+	;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+
+*-*-sco3.2v5*)
+  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+  SAVE_CFLAGS=$CFLAGS
+  CFLAGS="$CFLAGS -belf"
+  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+    [AC_LANG_PUSH(C)
+     AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_POP])
+  if test yes != "$lt_cv_cc_needs_belf"; then
+    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+    CFLAGS=$SAVE_CFLAGS
+  fi
+  ;;
+*-*solaris*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo 'int i;' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    case `/usr/bin/file conftest.o` in
+    *64-bit*)
+      case $lt_cv_prog_gnu_ld in
+      yes*)
+        case $host in
+        i?86-*-solaris*|x86_64-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD=${LD-ld}_sol2
+        fi
+        ;;
+      *)
+	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+	  LD="${LD-ld} -64"
+	fi
+	;;
+      esac
+      ;;
+    esac
+  fi
+  rm -rf conftest*
+  ;;
+esac
+
+need_locks=$enable_libtool_lock
+])# _LT_ENABLE_LOCK
+
+
+# _LT_PROG_AR
+# -----------
+m4_defun([_LT_PROG_AR],
+[AC_CHECK_TOOLS(AR, [ar], false)
+: ${AR=ar}
+: ${AR_FLAGS=cru}
+_LT_DECL([], [AR], [1], [The archiver])
+_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive])
+
+AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
+  [lt_cv_ar_at_file=no
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+     [echo conftest.$ac_objext > conftest.lst
+      lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
+      AC_TRY_EVAL([lt_ar_try])
+      if test 0 -eq "$ac_status"; then
+	# Ensure the archiver fails upon bogus file names.
+	rm -f conftest.$ac_objext libconftest.a
+	AC_TRY_EVAL([lt_ar_try])
+	if test 0 -ne "$ac_status"; then
+          lt_cv_ar_at_file=@
+        fi
+      fi
+      rm -f conftest.* libconftest.a
+     ])
+  ])
+
+if test no = "$lt_cv_ar_at_file"; then
+  archiver_list_spec=
+else
+  archiver_list_spec=$lt_cv_ar_at_file
+fi
+_LT_DECL([], [archiver_list_spec], [1],
+  [How to feed a file listing to the archiver])
+])# _LT_PROG_AR
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[_LT_PROG_AR
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+    [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+  case $host_os in
+  bitrig* | openbsd*)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+    ;;
+  *)
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+    ;;
+  esac
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+  darwin*)
+    lock_old_archive_extraction=yes ;;
+  *)
+    lock_old_archive_extraction=no ;;
+esac
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+    [Commands used to build an old-style archive])
+_LT_DECL([], [lock_old_archive_extraction], [0],
+    [Whether to use a lock for old archive extraction])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+   lt_compiler_flag="$3"  ## exclude from sc_useless_quotes_in_assignment
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   # The option is referenced via a variable to avoid confusing sed.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>conftest.err)
+   ac_status=$?
+   cat conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s "$ac_outfile"; then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings other than the usual output.
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+       $2=yes
+     fi
+   fi
+   $RM conftest*
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$5], , :, [$5])
+else
+    m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+#                  [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+  [$2=no
+   save_LDFLAGS=$LDFLAGS
+   LDFLAGS="$LDFLAGS $3"
+   echo "$lt_simple_link_test_code" > conftest.$ac_ext
+   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+     # The linker can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     if test -s conftest.err; then
+       # Append any errors to the config.log.
+       cat conftest.err 1>&AS_MESSAGE_LOG_FD
+       $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+       if diff conftest.exp conftest.er2 >/dev/null; then
+         $2=yes
+       fi
+     else
+       $2=yes
+     fi
+   fi
+   $RM -r conftest*
+   LDFLAGS=$save_LDFLAGS
+])
+
+if test yes = "[$]$2"; then
+    m4_if([$4], , :, [$4])
+else
+    m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+  i=0
+  teststring=ABCD
+
+  case $build_os in
+  msdosdjgpp*)
+    # On DJGPP, this test can blow up pretty badly due to problems in libc
+    # (any single argument exceeding 2000 bytes causes a buffer overrun
+    # during glob expansion).  Even if it were fixed, the result of this
+    # check would be larger than it should be.
+    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
+    ;;
+
+  gnu*)
+    # Under GNU Hurd, this test is not required because there is
+    # no limit to the length of command line arguments.
+    # Libtool will interpret -1 as no limit whatsoever
+    lt_cv_sys_max_cmd_len=-1;
+    ;;
+
+  cygwin* | mingw* | cegcc*)
+    # On Win9x/ME, this test blows up -- it succeeds, but takes
+    # about 5 minutes as the teststring grows exponentially.
+    # Worse, since 9x/ME are not pre-emptively multitasking,
+    # you end up with a "frozen" computer, even though with patience
+    # the test eventually succeeds (with a max line length of 256k).
+    # Instead, let's just punt: use the minimum linelength reported by
+    # all of the supported platforms: 8192 (on NT/2K/XP).
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  mint*)
+    # On MiNT this can take a long time and run out of memory.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  amigaos*)
+    # On AmigaOS with pdksh, this test takes hours, literally.
+    # So we just punt and use a minimum line length of 8192.
+    lt_cv_sys_max_cmd_len=8192;
+    ;;
+
+  bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*)
+    # This has been around since 386BSD, at least.  Likely further.
+    if test -x /sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+    elif test -x /usr/sbin/sysctl; then
+      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+    else
+      lt_cv_sys_max_cmd_len=65536	# usable default for all BSDs
+    fi
+    # And add a safety zone
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    ;;
+
+  interix*)
+    # We know the value 262144 and hardcode it with a safety zone (like BSD)
+    lt_cv_sys_max_cmd_len=196608
+    ;;
+
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
+  osf*)
+    # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+    # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+    # nice to cause kernel panics so lets avoid the loop below.
+    # First set a reasonable default.
+    lt_cv_sys_max_cmd_len=16384
+    #
+    if test -x /sbin/sysconfig; then
+      case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+        *1*) lt_cv_sys_max_cmd_len=-1 ;;
+      esac
+    fi
+    ;;
+  sco3.2v5*)
+    lt_cv_sys_max_cmd_len=102400
+    ;;
+  sysv5* | sco5v6* | sysv4.2uw2*)
+    kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+    if test -n "$kargmax"; then
+      lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[	 ]]//'`
+    else
+      lt_cv_sys_max_cmd_len=32768
+    fi
+    ;;
+  *)
+    lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+    if test -n "$lt_cv_sys_max_cmd_len" && \
+       test undefined != "$lt_cv_sys_max_cmd_len"; then
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+    else
+      # Make teststring a little bigger before we do anything with it.
+      # a 1K string should be a reasonable start.
+      for i in 1 2 3 4 5 6 7 8; do
+        teststring=$teststring$teststring
+      done
+      SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+      # If test is not a shell built-in, we'll probably end up computing a
+      # maximum length that is only half of the actual maximum length, but
+      # we can't tell.
+      while { test X`env echo "$teststring$teststring" 2>/dev/null` \
+	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+	      test 17 != "$i" # 1/2 MB should be enough
+      do
+        i=`expr $i + 1`
+        teststring=$teststring$teststring
+      done
+      # Only check the string length outside the loop.
+      lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+      teststring=
+      # Add a significant safety factor because C++ compilers can tack on
+      # massive amounts of additional arguments before passing them to the
+      # linker.  It appears as though 1/2 is a usable value.
+      lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+    fi
+    ;;
+  esac
+])
+if test -n "$lt_cv_sys_max_cmd_len"; then
+  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+  AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+    [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+#                      ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes = "$cross_compiling"; then :
+  [$4]
+else
+  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+  lt_status=$lt_dlunknown
+  cat > conftest.$ac_ext <<_LT_EOF
+[#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+#  define LT_DLGLOBAL		RTLD_GLOBAL
+#else
+#  ifdef DL_GLOBAL
+#    define LT_DLGLOBAL		DL_GLOBAL
+#  else
+#    define LT_DLGLOBAL		0
+#  endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+   find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+#  ifdef RTLD_LAZY
+#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
+#  else
+#    ifdef DL_LAZY
+#      define LT_DLLAZY_OR_NOW		DL_LAZY
+#    else
+#      ifdef RTLD_NOW
+#        define LT_DLLAZY_OR_NOW	RTLD_NOW
+#      else
+#        ifdef DL_NOW
+#          define LT_DLLAZY_OR_NOW	DL_NOW
+#        else
+#          define LT_DLLAZY_OR_NOW	0
+#        endif
+#      endif
+#    endif
+#  endif
+#endif
+
+/* When -fvisibility=hidden is used, assume the code has been annotated
+   correspondingly for the symbols needed.  */
+#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+  int status = $lt_dlunknown;
+
+  if (self)
+    {
+      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
+      else
+        {
+	  if (dlsym( self,"_fnord"))  status = $lt_dlneed_uscore;
+          else puts (dlerror ());
+	}
+      /* dlclose (self); */
+    }
+  else
+    puts (dlerror ());
+
+  return status;
+}]
+_LT_EOF
+  if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then
+    (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+    lt_status=$?
+    case x$lt_status in
+      x$lt_dlno_uscore) $1 ;;
+      x$lt_dlneed_uscore) $2 ;;
+      x$lt_dlunknown|x*) $3 ;;
+    esac
+  else :
+    # compilation failed
+    $3
+  fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test yes != "$enable_dlopen"; then
+  enable_dlopen=unknown
+  enable_dlopen_self=unknown
+  enable_dlopen_self_static=unknown
+else
+  lt_cv_dlopen=no
+  lt_cv_dlopen_libs=
+
+  case $host_os in
+  beos*)
+    lt_cv_dlopen=load_add_on
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ;;
+
+  mingw* | pw32* | cegcc*)
+    lt_cv_dlopen=LoadLibrary
+    lt_cv_dlopen_libs=
+    ;;
+
+  cygwin*)
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    ;;
+
+  darwin*)
+    # if libdl is installed we need to link against it
+    AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[
+    lt_cv_dlopen=dyld
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=yes
+    ])
+    ;;
+
+  tpf*)
+    # Don't try to run any link tests for TPF.  We know it's impossible
+    # because TPF is a cross-compiler, and we know how we open DSOs.
+    lt_cv_dlopen=dlopen
+    lt_cv_dlopen_libs=
+    lt_cv_dlopen_self=no
+    ;;
+
+  *)
+    AC_CHECK_FUNC([shl_load],
+	  [lt_cv_dlopen=shl_load],
+      [AC_CHECK_LIB([dld], [shl_load],
+	    [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld],
+	[AC_CHECK_FUNC([dlopen],
+	      [lt_cv_dlopen=dlopen],
+	  [AC_CHECK_LIB([dl], [dlopen],
+		[lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],
+	    [AC_CHECK_LIB([svld], [dlopen],
+		  [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld],
+	      [AC_CHECK_LIB([dld], [dld_link],
+		    [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld])
+	      ])
+	    ])
+	  ])
+	])
+      ])
+    ;;
+  esac
+
+  if test no = "$lt_cv_dlopen"; then
+    enable_dlopen=no
+  else
+    enable_dlopen=yes
+  fi
+
+  case $lt_cv_dlopen in
+  dlopen)
+    save_CPPFLAGS=$CPPFLAGS
+    test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+    save_LDFLAGS=$LDFLAGS
+    wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+    save_LIBS=$LIBS
+    LIBS="$lt_cv_dlopen_libs $LIBS"
+
+    AC_CACHE_CHECK([whether a program can dlopen itself],
+	  lt_cv_dlopen_self, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+    ])
+
+    if test yes = "$lt_cv_dlopen_self"; then
+      wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+	  lt_cv_dlopen_self_static, [dnl
+	  _LT_TRY_DLOPEN_SELF(
+	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
+      ])
+    fi
+
+    CPPFLAGS=$save_CPPFLAGS
+    LDFLAGS=$save_LDFLAGS
+    LIBS=$save_LIBS
+    ;;
+  esac
+
+  case $lt_cv_dlopen_self in
+  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+  *) enable_dlopen_self=unknown ;;
+  esac
+
+  case $lt_cv_dlopen_self_static in
+  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+  *) enable_dlopen_self_static=unknown ;;
+  esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+	 [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+	 [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+	 [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+   $RM -r conftest 2>/dev/null
+   mkdir conftest
+   cd conftest
+   mkdir out
+   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+   lt_compiler_flag="-o out/conftest2.$ac_objext"
+   # Insert the option either (1) after the last *FLAGS variable, or
+   # (2) before a word containing "conftest.", or (3) at the end.
+   # Note that $ac_compile itself does not contain backslashes and begins
+   # with a dollar sign (not a hyphen), so the echo should work correctly.
+   lt_compile=`echo "$ac_compile" | $SED \
+   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+   -e 's:$: $lt_compiler_flag:'`
+   (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+   (eval "$lt_compile" 2>out/conftest.err)
+   ac_status=$?
+   cat out/conftest.err >&AS_MESSAGE_LOG_FD
+   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+   if (exit $ac_status) && test -s out/conftest2.$ac_objext
+   then
+     # The compiler can only warn and ignore the option if not recognized
+     # So say no if there are warnings
+     $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+       _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+     fi
+   fi
+   chmod u+w . 2>&AS_MESSAGE_LOG_FD
+   $RM conftest*
+   # SGI C++ compiler will create directory out/ii_files/ for
+   # template instantiation
+   test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+   $RM out/* && rmdir out
+   cd ..
+   $RM -r conftest
+   $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+	[Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links=nottested
+if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then
+  # do not overwrite the value of need_locks provided by the user
+  AC_MSG_CHECKING([if we can lock with hard links])
+  hard_links=yes
+  $RM conftest*
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  touch conftest.a
+  ln conftest.a conftest.b 2>&5 || hard_links=no
+  ln conftest.a conftest.b 2>/dev/null && hard_links=no
+  AC_MSG_RESULT([$hard_links])
+  if test no = "$hard_links"; then
+    AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe])
+    need_locks=warn
+  fi
+else
+  need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+  lt_cv_objdir=.libs
+else
+  # MS-DOS does not allow filenames that begin with a dot.
+  lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+         [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/",
+  [Define to the sub-directory where libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+   test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+   test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then
+
+  # We can hardcode non-existent directories.
+  if test no != "$_LT_TAGVAR(hardcode_direct, $1)" &&
+     # If the only mechanism to avoid hardcoding is shlibpath_var, we
+     # have to relink, otherwise we might link with an installed library
+     # when we should be linking with a yet-to-be-installed one
+     ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" &&
+     test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then
+    # Linking always hardcodes the temporary library directory.
+    _LT_TAGVAR(hardcode_action, $1)=relink
+  else
+    # We can link without hardcoding, and we can hardcode nonexisting dirs.
+    _LT_TAGVAR(hardcode_action, $1)=immediate
+  fi
+else
+  # We cannot hardcode anything, or else we can only hardcode existing
+  # directories.
+  _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test relink = "$_LT_TAGVAR(hardcode_action, $1)" ||
+   test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then
+  # Fast installation is not supported
+  enable_fast_install=no
+elif test yes = "$shlibpath_overrides_runpath" ||
+     test no = "$enable_shared"; then
+  # Fast installation is not necessary
+  enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+    [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+  AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+  case $host_os in
+  darwin*)
+    if test -n "$STRIP"; then
+      striplib="$STRIP -x"
+      old_striplib="$STRIP -S"
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+    fi
+    ;;
+  *)
+    AC_MSG_RESULT([no])
+    ;;
+  esac
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_PREPARE_MUNGE_PATH_LIST
+# ---------------------------
+# Make sure func_munge_path_list() is defined correctly.
+m4_defun([_LT_PREPARE_MUNGE_PATH_LIST],
+[[# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x@S|@2 in
+    x)
+        ;;
+    *:)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\"
+        ;;
+    x:*)
+        eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\"
+        ;;
+    *)
+        eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+]])# _LT_PREPARE_PATH_LIST
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+	[], [
+if test yes = "$GCC"; then
+  case $host_os in
+    darwin*) lt_awk_arg='/^libraries:/,/LR/' ;;
+    *) lt_awk_arg='/^libraries:/' ;;
+  esac
+  case $host_os in
+    mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;;
+    *) lt_sed_strip_eq='s|=/|/|g' ;;
+  esac
+  lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+  case $lt_search_path_spec in
+  *\;*)
+    # if the path contains ";" then we assume it to be the separator
+    # otherwise default to the standard path separator (i.e. ":") - it is
+    # assumed that no part of a normal pathname contains ";" but that should
+    # okay in the real world where ";" in dirpaths is itself problematic.
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+    ;;
+  *)
+    lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+    ;;
+  esac
+  # Ok, now we have the path, separated by spaces, we can step through it
+  # and add multilib dir if necessary...
+  lt_tmp_lt_search_path_spec=
+  lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+  # ...but if some path component already ends with the multilib dir we assume
+  # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer).
+  case "$lt_multi_os_dir; $lt_search_path_spec " in
+  "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*)
+    lt_multi_os_dir=
+    ;;
+  esac
+  for lt_sys_path in $lt_search_path_spec; do
+    if test -d "$lt_sys_path$lt_multi_os_dir"; then
+      lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir"
+    elif test -n "$lt_multi_os_dir"; then
+      test -d "$lt_sys_path" && \
+	lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+    fi
+  done
+  lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS = " "; FS = "/|\n";} {
+  lt_foo = "";
+  lt_count = 0;
+  for (lt_i = NF; lt_i > 0; lt_i--) {
+    if ($lt_i != "" && $lt_i != ".") {
+      if ($lt_i == "..") {
+        lt_count++;
+      } else {
+        if (lt_count == 0) {
+          lt_foo = "/" $lt_i lt_foo;
+        } else {
+          lt_count--;
+        }
+      }
+    }
+  }
+  if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+  if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+  # AWK program above erroneously prepends '/' to C:/dos/paths
+  # for these hosts.
+  case $host_os in
+    mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+      $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;;
+  esac
+  sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=.so
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+AC_ARG_VAR([LT_SYS_LIBRARY_PATH],
+[User-defined run-time library search path.])
+
+case $host_os in
+aix3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname.a'
+  shlibpath_var=LIBPATH
+
+  # AIX 3 has no versioning support, so we append a major version to the name.
+  soname_spec='$libname$release$shared_ext$major'
+  ;;
+
+aix[[4-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  hardcode_into_libs=yes
+  if test ia64 = "$host_cpu"; then
+    # AIX 5 supports IA64
+    library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext'
+    shlibpath_var=LD_LIBRARY_PATH
+  else
+    # With GCC up to 2.95.x, collect2 would create an import file
+    # for dependence libraries.  The import file would start with
+    # the line '#! .'.  This would cause the generated library to
+    # depend on '.', always an invalid library.  This was fixed in
+    # development snapshots of GCC prior to 3.0.
+    case $host_os in
+      aix4 | aix4.[[01]] | aix4.[[01]].*)
+      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+	   echo ' yes '
+	   echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then
+	:
+      else
+	can_build_shared=no
+      fi
+      ;;
+    esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
+    # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
+    # soname into executable. Probably we can add versioning support to
+    # collect2, so additional links can be useful in future.
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
+      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+      # instead of lib<name>.a to let people know that these are not
+      # typical AIX shared libraries.
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a[(]lib.so.V[)]'
+      # We preserve .a as extension for shared libraries through AIX4.2
+      # and later when we are not doing run time linking.
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
+    shlibpath_var=LIBPATH
+  fi
+  ;;
+
+amigaos*)
+  case $host_cpu in
+  powerpc)
+    # Since July 2007 AmigaOS4 officially supports .so libraries.
+    # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    ;;
+  m68k)
+    library_names_spec='$libname.ixlibrary $libname.a'
+    # Create ${libname}_ixlibrary.a entries in /sys/libs.
+    finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+    ;;
+  esac
+  ;;
+
+beos*)
+  library_names_spec='$libname$shared_ext'
+  dynamic_linker="$host_os ld.so"
+  shlibpath_var=LIBRARY_PATH
+  ;;
+
+bsdi[[45]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+  # the default ld.so.conf also contains /usr/contrib/lib and
+  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+  # libtool to hard-code these into programs
+  ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+
+  case $GCC,$cc_basename in
+  yes,*)
+    # gcc
+    library_names_spec='$libname.dll.a'
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname~
+      chmod a+x \$dldir/$dlname~
+      if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+        eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+      fi'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+
+    case $host_os in
+    cygwin*)
+      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+      soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+m4_if([$1], [],[
+      sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
+      ;;
+    mingw* | cegcc*)
+      # MinGW DLLs use traditional 'lib' prefix
+      soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    pw32*)
+      # pw32 DLLs use 'pw' prefix rather than 'lib'
+      library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+      ;;
+    esac
+    dynamic_linker='Win32 ld.exe'
+    ;;
+
+  *,cl*)
+    # Native MSVC
+    libname_spec='$name'
+    soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext'
+    library_names_spec='$libname.dll.lib'
+
+    case $build_os in
+    mingw*)
+      sys_lib_search_path_spec=
+      lt_save_ifs=$IFS
+      IFS=';'
+      for lt_path in $LIB
+      do
+        IFS=$lt_save_ifs
+        # Let DOS variable expansion print the short 8.3 style file name.
+        lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+        sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+      done
+      IFS=$lt_save_ifs
+      # Convert to MSYS style.
+      sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'`
+      ;;
+    cygwin*)
+      # Convert to unix form, then to dos form, then back to unix form
+      # but this time dos style (no spaces!) so that the unix form looks
+      # like /cygdrive/c/PROGRA~1:/cygdr...
+      sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+      sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+      sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      ;;
+    *)
+      sys_lib_search_path_spec=$LIB
+      if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+        # It is most probably a Windows format PATH.
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+      else
+        sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+      fi
+      # FIXME: find the short name or the path components, as spaces are
+      # common. (e.g. "Program Files" -> "PROGRA~1")
+      ;;
+    esac
+
+    # DLL is installed to $(libdir)/../bin by postinstall_cmds
+    postinstall_cmds='base_file=`basename \$file`~
+      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~
+      dldir=$destdir/`dirname \$dlpath`~
+      test -d \$dldir || mkdir -p \$dldir~
+      $install_prog $dir/$dlname \$dldir/$dlname'
+    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+      dlpath=$dir/\$dldll~
+       $RM \$dlpath'
+    shlibpath_overrides_runpath=yes
+    dynamic_linker='Win32 link.exe'
+    ;;
+
+  *)
+    # Assume MSVC wrapper
+    library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib'
+    dynamic_linker='Win32 ld.exe'
+    ;;
+  esac
+  # FIXME: first we should search . and the directory the executable is in
+  shlibpath_var=PATH
+  ;;
+
+darwin* | rhapsody*)
+  dynamic_linker="$host_os dyld"
+  version_type=darwin
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$major$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$major$shared_ext'
+  shlibpath_overrides_runpath=yes
+  shlibpath_var=DYLD_LIBRARY_PATH
+  shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+  sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+  ;;
+
+dgux*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+freebsd* | dragonfly*)
+  # DragonFly does not have aout.  When/if they implement a new
+  # versioning mechanism, adjust this.
+  if test -x /usr/bin/objformat; then
+    objformat=`/usr/bin/objformat`
+  else
+    case $host_os in
+    freebsd[[23]].*) objformat=aout ;;
+    *) objformat=elf ;;
+    esac
+  fi
+  version_type=freebsd-$objformat
+  case $version_type in
+    freebsd-elf*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
+      need_version=no
+      need_lib_prefix=no
+      ;;
+    freebsd-*)
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+      need_version=yes
+      ;;
+  esac
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_os in
+  freebsd2.*)
+    shlibpath_overrides_runpath=yes
+    ;;
+  freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+  freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+    shlibpath_overrides_runpath=no
+    hardcode_into_libs=yes
+    ;;
+  *) # from 4.6 on, and DragonFly
+    shlibpath_overrides_runpath=yes
+    hardcode_into_libs=yes
+    ;;
+  esac
+  ;;
+
+haiku*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  dynamic_linker="$host_os runtime_loader"
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+  hardcode_into_libs=yes
+  ;;
+
+hpux9* | hpux10* | hpux11*)
+  # Give a soname corresponding to the major version so that dld.sl refuses to
+  # link against other versions.
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  case $host_cpu in
+  ia64*)
+    shrext_cmds='.so'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.so"
+    shlibpath_var=LD_LIBRARY_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    if test 32 = "$HPUX_IA64_MODE"; then
+      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
+    else
+      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
+    fi
+    ;;
+  hppa*64*)
+    shrext_cmds='.sl'
+    hardcode_into_libs=yes
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+    ;;
+  *)
+    shrext_cmds='.sl'
+    dynamic_linker="$host_os dld.sl"
+    shlibpath_var=SHLIB_PATH
+    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    ;;
+  esac
+  # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+  postinstall_cmds='chmod 555 $lib'
+  # or fails outright, so override atomically:
+  install_override_mode=555
+  ;;
+
+interix[[3-9]]*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $host_os in
+    nonstopux*) version_type=nonstopux ;;
+    *)
+	if test yes = "$lt_cv_prog_gnu_ld"; then
+		version_type=linux # correct to gnu/linux during the next big refactor
+	else
+		version_type=irix
+	fi ;;
+  esac
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext'
+  case $host_os in
+  irix5* | nonstopux*)
+    libsuff= shlibsuff=
+    ;;
+  *)
+    case $LD in # libtool.m4 will add one of these switches to LD
+    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+      libsuff= shlibsuff= libmagic=32-bit;;
+    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+      libsuff=32 shlibsuff=N32 libmagic=N32;;
+    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+      libsuff=64 shlibsuff=64 libmagic=64-bit;;
+    *) libsuff= shlibsuff= libmagic=never-match;;
+    esac
+    ;;
+  esac
+  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+  shlibpath_overrides_runpath=no
+  sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff"
+  sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff"
+  hardcode_into_libs=yes
+  ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+  dynamic_linker=no
+  ;;
+
+linux*android*)
+  version_type=none # Android doesn't support versioned libraries.
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext'
+  soname_spec='$libname$release$shared_ext'
+  finish_cmds=
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  dynamic_linker='Android linker'
+  # Don't embed -rpath directories since the linker doesn't support them.
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+
+  # Some binutils ld are patched to set DT_RUNPATH
+  AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath],
+    [lt_cv_shlibpath_overrides_runpath=no
+    save_LDFLAGS=$LDFLAGS
+    save_libdir=$libdir
+    eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+	 LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+      [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+	 [lt_cv_shlibpath_overrides_runpath=yes])])
+    LDFLAGS=$save_LDFLAGS
+    libdir=$save_libdir
+    ])
+  shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+  # This implies no fast_install, which is unacceptable.
+  # Some rework will be needed to allow for fast_install
+  # before this can be enabled.
+  hardcode_into_libs=yes
+
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
+  if test -f /etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  fi
+
+  # We used to test for /lib/ld.so.1 and disable shared libraries on
+  # powerpc, because MkLinux only supported shared libraries with the
+  # GNU dynamic linker.  Since this was broken with cross compilers,
+  # most powerpc-linux boxes support dynamic linking these days and
+  # people can always --disable-shared, the test was removed, and we
+  # assume the GNU/Linux dynamic linker is in use.
+  dynamic_linker='GNU/Linux ld.so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+    dynamic_linker='NetBSD (a.out) ld.so'
+  else
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+    soname_spec='$libname$release$shared_ext$major'
+    dynamic_linker='NetBSD ld.elf_so'
+  fi
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  ;;
+
+newsos6)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+*nto* | *qnx*)
+  version_type=qnx
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='ldqnx.so'
+  ;;
+
+openbsd* | bitrig*)
+  version_type=sunos
+  sys_lib_dlsearch_path_spec=/usr/lib
+  need_lib_prefix=no
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    need_version=no
+  else
+    need_version=yes
+  fi
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  ;;
+
+os2*)
+  libname_spec='$name'
+  version_type=windows
+  shrext_cmds=.dll
+  need_version=no
+  need_lib_prefix=no
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
+  dynamic_linker='OS/2 ld.exe'
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
+  ;;
+
+osf3* | osf4* | osf5*)
+  version_type=osf
+  need_lib_prefix=no
+  need_version=no
+  soname_spec='$libname$release$shared_ext$major'
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  ;;
+
+rdos*)
+  dynamic_linker=no
+  ;;
+
+solaris*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  # ldd complains unless libraries are executable
+  postinstall_cmds='chmod +x $lib'
+  ;;
+
+sunos4*)
+  version_type=sunos
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  if test yes = "$with_gnu_ld"; then
+    need_lib_prefix=no
+  fi
+  need_version=yes
+  ;;
+
+sysv4 | sysv4.3*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  case $host_vendor in
+    sni)
+      shlibpath_overrides_runpath=no
+      need_lib_prefix=no
+      runpath_var=LD_RUN_PATH
+      ;;
+    siemens)
+      need_lib_prefix=no
+      ;;
+    motorola)
+      need_lib_prefix=no
+      need_version=no
+      shlibpath_overrides_runpath=no
+      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+      ;;
+  esac
+  ;;
+
+sysv4*MP*)
+  if test -d /usr/nec; then
+    version_type=linux # correct to gnu/linux during the next big refactor
+    library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext'
+    soname_spec='$libname$shared_ext.$major'
+    shlibpath_var=LD_LIBRARY_PATH
+  fi
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  version_type=sco
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  hardcode_into_libs=yes
+  if test yes = "$with_gnu_ld"; then
+    sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+  else
+    sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+    case $host_os in
+      sco3.2v5*)
+        sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+	;;
+    esac
+  fi
+  sys_lib_dlsearch_path_spec='/usr/lib'
+  ;;
+
+tpf*)
+  # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
+uts4*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  ;;
+
+*)
+  dynamic_linker=no
+  ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test no = "$dynamic_linker" && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test yes = "$GCC"; then
+  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
+  sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
+fi
+
+if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
+  sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
+fi
+
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+    [Variables whose values should be saved in libtool wrapper scripts and
+    restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+    [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0],  [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+    [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+    [[List of archive names.  First name is the real one, the rest are links.
+    The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+    [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [install_override_mode], [1],
+    [Permission mode override for installation of shared libraries])
+_LT_DECL([], [postinstall_cmds], [2],
+    [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+    [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+    [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+    [[As "finish_cmds", except a single script fragment to be evaled but
+    not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+    [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+    [Compile-time system search path for libraries])
+_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2],
+    [Detected run-time system search path for libraries])
+_LT_DECL([], [configure_time_lt_sys_library_path], [2],
+    [Explicit LT_SYS_LIBRARY_PATH set during ./configure time])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program that can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] |  ?:[\\/]*])
+  lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
+  ;;
+*)
+  lt_save_MAGIC_CMD=$MAGIC_CMD
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="m4_if([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$1"; then
+      lt_cv_path_MAGIC_CMD=$ac_dir/"$1"
+      if test -n "$file_magic_test_file"; then
+	case $deplibs_check_method in
+	"file_magic "*)
+	  file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+	  MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    $EGREP "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS=$lt_save_ifs
+  MAGIC_CMD=$lt_save_MAGIC_CMD
+  ;;
+esac])
+MAGIC_CMD=$lt_cv_path_MAGIC_CMD
+if test -n "$MAGIC_CMD"; then
+  AC_MSG_RESULT($MAGIC_CMD)
+else
+  AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+	 [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program that can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+  if test -n "$ac_tool_prefix"; then
+    _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+  else
+    MAGIC_CMD=:
+  fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PROG_ECHO_BACKSLASH])dnl
+
+AC_ARG_WITH([gnu-ld],
+    [AS_HELP_STRING([--with-gnu-ld],
+	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
+    [test no = "$withval" || with_gnu_ld=yes],
+    [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test yes = "$GCC"; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by $CC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return, which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]]* | ?:[[\\/]]*)
+      re_direlt='/[[^/]][[^/]]*/\.\./'
+      # Canonicalize the pathname of ld
+      ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+      while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD=$ac_prog
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test yes = "$with_gnu_ld"; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+  lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+  for ac_dir in $PATH; do
+    IFS=$lt_save_ifs
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      lt_cv_path_LD=$ac_dir/$ac_prog
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some variants of GNU ld only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+      *GNU* | *'with BFD'*)
+	test no != "$with_gnu_ld" && break
+	;;
+      *)
+	test yes != "$with_gnu_ld" && break
+	;;
+      esac
+    fi
+  done
+  IFS=$lt_save_ifs
+else
+  lt_cv_path_LD=$LD # Let the user override the test with a path.
+fi])
+LD=$lt_cv_path_LD
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+  lt_cv_prog_gnu_ld=yes
+  ;;
+*)
+  lt_cv_prog_gnu_ld=no
+  ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+  lt_cv_ld_reload_flag,
+  [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    if test yes != "$GCC"; then
+      reload_cmds=false
+    fi
+    ;;
+  darwin*)
+    if test yes = "$GCC"; then
+      reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs'
+    else
+      reload_cmds='$LD$reload_flag -o $output$reload_objs'
+    fi
+    ;;
+esac
+_LT_TAGDECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_TAGDECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_PATH_DD
+# -----------
+# find a working dd
+m4_defun([_LT_PATH_DD],
+[AC_CACHE_CHECK([for a working dd], [ac_cv_path_lt_DD],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd],
+[if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi])
+rm -f conftest.i conftest2.i conftest.out])
+])# _LT_PATH_DD
+
+
+# _LT_CMD_TRUNCATE
+# ----------------
+# find command to truncate a binary pipe
+m4_defun([_LT_CMD_TRUNCATE],
+[m4_require([_LT_PATH_DD])
+AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin],
+[printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"])
+_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1],
+  [Command to truncate a binary pipe])
+])# _LT_CMD_TRUNCATE
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# 'unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# that responds to the $file_magic_cmd with a given extended regex.
+# If you have 'file' or equivalent on your system and you're not sure
+# whether 'pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi[[45]]*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+  lt_cv_file_magic_cmd='/usr/bin/file -L'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin*)
+  # func_win32_libid is a shell function defined in ltmain.sh
+  lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+  lt_cv_file_magic_cmd='func_win32_libid'
+  ;;
+
+mingw* | pw32*)
+  # Base MSYS/MinGW do not provide the 'file' command needed by
+  # func_win32_libid shell function, so use a weaker test based on 'objdump',
+  # unless we find 'file', for example because we are cross-compiling.
+  if ( file / ) >/dev/null 2>&1; then
+    lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+    lt_cv_file_magic_cmd='func_win32_libid'
+  else
+    # Keep this pattern in sync with the one in func_win32_libid.
+    lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+    lt_cv_file_magic_cmd='$OBJDUMP -f'
+  fi
+  ;;
+
+cegcc*)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
+darwin* | rhapsody*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+freebsd* | dragonfly*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    case $host_cpu in
+    i*86 )
+      # Not sure whether the presence of OpenBSD here was a mistake.
+      # Let's accept both of them until this is cleared up.
+      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+      lt_cv_file_magic_cmd=/usr/bin/file
+      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+      ;;
+    esac
+  else
+    lt_cv_deplibs_check_method=pass_all
+  fi
+  ;;
+
+haiku*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+hpux10.20* | hpux11*)
+  lt_cv_file_magic_cmd=/usr/bin/file
+  case $host_cpu in
+  ia64*)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+    ;;
+  hppa*64*)
+    [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]']
+    lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+    ;;
+  *)
+    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library'
+    lt_cv_file_magic_test_file=/usr/lib/libc.sl
+    ;;
+  esac
+  ;;
+
+interix[[3-9]]*)
+  # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+  lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+  ;;
+
+irix5* | irix6* | nonstopux*)
+  case $LD in
+  *-32|*"-32 ") libmagic=32-bit;;
+  *-n32|*"-n32 ") libmagic=N32;;
+  *-64|*"-64 ") libmagic=64-bit;;
+  *) libmagic=never-match;;
+  esac
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+netbsd*)
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+  fi
+  ;;
+
+newos6*)
+  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+  lt_cv_file_magic_cmd=/usr/bin/file
+  lt_cv_file_magic_test_file=/usr/lib/libnls.so
+  ;;
+
+*nto* | *qnx*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+openbsd* | bitrig*)
+  if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+  else
+    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+  fi
+  ;;
+
+osf3* | osf4* | osf5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+rdos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sysv4 | sysv4.3*)
+  case $host_vendor in
+  motorola)
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  sequent)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+    ;;
+  sni)
+    lt_cv_file_magic_cmd='/bin/file'
+    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+    lt_cv_file_magic_test_file=/lib/libc.so
+    ;;
+  siemens)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  pc)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+tpf*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+esac
+])
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+  case $host_os in
+  mingw* | pw32*)
+    if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+      want_nocaseglob=yes
+    else
+      file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"`
+    fi
+    ;;
+  esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+    [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+    [Command to use when deplibs_check_method = "file_magic"])
+_LT_DECL([], [file_magic_glob], [1],
+    [How to find potential files when deplibs_check_method = "file_magic"])
+_LT_DECL([], [want_nocaseglob], [1],
+    [Find potential files using nocaseglob when deplibs_check_method = "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+  # Let the user override the test.
+  lt_cv_path_NM=$NM
+else
+  lt_nm_to_check=${ac_tool_prefix}nm
+  if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+    lt_nm_to_check="$lt_nm_to_check nm"
+  fi
+  for lt_tmp_nm in $lt_nm_to_check; do
+    lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
+    for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+      IFS=$lt_save_ifs
+      test -z "$ac_dir" && ac_dir=.
+      tmp_nm=$ac_dir/$lt_tmp_nm
+      if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then
+	# Check to see if the nm accepts a BSD-compat flag.
+	# Adding the 'sed 1q' prevents false positives on HP-UX, which says:
+	#   nm: unknown option "B" ignored
+	# Tru64's nm complains that /dev/null is an invalid object file
+	# MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+	case $build_os in
+	mingw*) lt_bad_file=conftest.nm/nofile ;;
+	*) lt_bad_file=/dev/null ;;
+	esac
+	case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
+	*$lt_bad_file* | *'Invalid file or object type'*)
+	  lt_cv_path_NM="$tmp_nm -B"
+	  break 2
+	  ;;
+	*)
+	  case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+	  */dev/null*)
+	    lt_cv_path_NM="$tmp_nm -p"
+	    break 2
+	    ;;
+	  *)
+	    lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+	    continue # so that we can try to find one that supports BSD flags
+	    ;;
+	  esac
+	  ;;
+	esac
+      fi
+    done
+    IFS=$lt_save_ifs
+  done
+  : ${lt_cv_path_NM=no}
+fi])
+if test no != "$lt_cv_path_NM"; then
+  NM=$lt_cv_path_NM
+else
+  # Didn't find any BSD compatible name lister, look for dumpbin.
+  if test -n "$DUMPBIN"; then :
+    # Let the user override the test.
+  else
+    AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
+    case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in
+    *COFF*)
+      DUMPBIN="$DUMPBIN -symbols -headers"
+      ;;
+    *)
+      DUMPBIN=:
+      ;;
+    esac
+  fi
+  AC_SUBST([DUMPBIN])
+  if test : != "$DUMPBIN"; then
+    NM=$DUMPBIN
+  fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+  [lt_cv_nm_interface="BSD nm"
+  echo "int some_variable = 0;" > conftest.$ac_ext
+  (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$ac_compile" 2>conftest.err)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
+  cat conftest.out >&AS_MESSAGE_LOG_FD
+  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+    lt_cv_nm_interface="MS dumpbin"
+  fi
+  rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+# --------------------------------
+# how to determine the name of the shared library
+# associated with a specific link library.
+#  -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+m4_require([_LT_DECL_DLLTOOL])
+AC_CACHE_CHECK([how to associate runtime and link libraries],
+lt_cv_sharedlib_from_linklib_cmd,
+[lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+  # two different shell functions defined in ltmain.sh;
+  # decide which one to use based on capabilities of $DLLTOOL
+  case `$DLLTOOL --help 2>&1` in
+  *--identify-strict*)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+    ;;
+  *)
+    lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+    ;;
+  esac
+  ;;
+*)
+  # fallback: assume linklib IS sharedlib
+  lt_cv_sharedlib_from_linklib_cmd=$ECHO
+  ;;
+esac
+])
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+_LT_DECL([], [sharedlib_from_linklib_cmd], [1],
+    [Command to associate shared and link libraries])
+])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+
+
+# _LT_PATH_MANIFEST_TOOL
+# ----------------------
+# locate the manifest tool
+m4_defun([_LT_PATH_MANIFEST_TOOL],
+[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool],
+  [lt_cv_path_mainfest_tool=no
+  echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
+  $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+  cat conftest.err >&AS_MESSAGE_LOG_FD
+  if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+    lt_cv_path_mainfest_tool=yes
+  fi
+  rm -f conftest*])
+if test yes != "$lt_cv_path_mainfest_tool"; then
+  MANIFEST_TOOL=:
+fi
+_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl
+])# _LT_PATH_MANIFEST_TOOL
+
+
+# _LT_DLL_DEF_P([FILE])
+# ---------------------
+# True iff FILE is a Windows DLL '.def' file.
+# Keep in sync with func_dll_def_p in the libtool script
+AC_DEFUN([_LT_DLL_DEF_P],
+[dnl
+  test DEF = "`$SED -n dnl
+    -e '\''s/^[[	 ]]*//'\'' dnl Strip leading whitespace
+    -e '\''/^\(;.*\)*$/d'\'' dnl      Delete empty lines and comments
+    -e '\''s/^\(EXPORTS\|LIBRARY\)\([[	 ]].*\)*$/DEF/p'\'' dnl
+    -e q dnl                          Only consider the first "real" line
+    $1`" dnl
+])# _LT_DLL_DEF_P
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
+  # These system don't have libm, or don't need it
+  ;;
+*-ncr-sysv4.3*)
+  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw)
+  AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+  ;;
+*)
+  AC_CHECK_LIB(m, cos, LIBM=-lm)
+  ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test yes = "$GCC"; then
+  case $cc_basename in
+  nvcc*)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
+  esac
+
+  _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+    lt_cv_prog_compiler_rtti_exceptions,
+    [-fno-rtti -fno-exceptions], [],
+    [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+	[Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+  symcode='[[BCDT]]'
+  ;;
+cygwin* | mingw* | pw32* | cegcc*)
+  symcode='[[ABCDGISTW]]'
+  ;;
+hpux*)
+  if test ia64 = "$host_cpu"; then
+    symcode='[[ABCDEGRST]]'
+  fi
+  ;;
+irix* | nonstopux*)
+  symcode='[[BCDEGRST]]'
+  ;;
+osf*)
+  symcode='[[BCDEGQRST]]'
+  ;;
+solaris*)
+  symcode='[[BDRT]]'
+  ;;
+sco3.2v5*)
+  symcode='[[DT]]'
+  ;;
+sysv4.2uw2*)
+  symcode='[[DT]]'
+  ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+  symcode='[[ABDT]]'
+  ;;
+sysv4)
+  symcode='[[DFNSTU]]'
+  ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+  symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  # Gets list of data symbols to import.
+  lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'"
+  # Adjust the below global symbol transforms to fixup imported variables.
+  lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'"
+  lt_c_name_hook=" -e 's/^I .* \(.*\)$/  {\"\1\", (void *) 0},/p'"
+  lt_c_name_lib_hook="\
+  -e 's/^I .* \(lib.*\)$/  {\"\1\", (void *) 0},/p'\
+  -e 's/^I .* \(.*\)$/  {\"lib\1\", (void *) 0},/p'"
+else
+  # Disable hooks by default.
+  lt_cv_sys_global_symbol_to_import=
+  lt_cdecl_hook=
+  lt_c_name_hook=
+  lt_c_name_lib_hook=
+fi
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n"\
+$lt_cdecl_hook\
+" -e 's/^T .* \(.*\)$/extern int \1();/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n"\
+$lt_c_name_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/p'"
+
+# Transform an extracted symbol line into symbol name with lib prefix and
+# symbol address.
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\
+$lt_c_name_lib_hook\
+" -e 's/^: \(.*\) .*$/  {\"\1\", (void *) 0},/p'"\
+" -e 's/^$symcode$symcode* .* \(lib.*\)$/  {\"\1\", (void *) \&\1},/p'"\
+" -e 's/^$symcode$symcode* .* \(.*\)$/  {\"lib\1\", (void *) \&\1},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+  opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+  ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+  # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+  symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+  # Write the raw and C identifiers.
+  if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+    # Fake it for dumpbin and say T for any non-static function,
+    # D for any global variable and I for any imported variable.
+    # Also find C++ and __fastcall symbols from MSVC++,
+    # which start with @ or ?.
+    lt_cv_sys_global_symbol_pipe="$AWK ['"\
+"     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+"     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+"     /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\
+"     /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\
+"     /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\
+"     \$ 0!~/External *\|/{next};"\
+"     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+"     {if(hide[section]) next};"\
+"     {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\
+"     {split(\$ 0,a,/\||\r/); split(a[2],s)};"\
+"     s[1]~/^[@?]/{print f,s[1],s[1]; next};"\
+"     s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\
+"     ' prfx=^$ac_symprfx]"
+  else
+    lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[	 ]]\($symcode$symcode*\)[[	 ]][[	 ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+  fi
+  lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
+
+  # Check to see that the pipe works correctly.
+  pipe_works=no
+
+  rm -f conftest*
+  cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+  if AC_TRY_EVAL(ac_compile); then
+    # Now try to grab the symbols.
+    nlist=conftest.nm
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+      # Try sorting and uniquifying the output.
+      if sort "$nlist" | uniq > "$nlist"T; then
+	mv -f "$nlist"T "$nlist"
+      else
+	rm -f "$nlist"T
+      fi
+
+      # Make sure that we snagged all the symbols we need.
+      if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+	if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+	  cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests.  */
+#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE
+/* DATA imports from DLLs on WIN32 can't be const, because runtime
+   relocations are performed -- see ld's documentation on pseudo-relocs.  */
+# define LT@&t@_DLSYM_CONST
+#elif defined __osf__
+/* This system does not cope well with relocations in const data.  */
+# define LT@&t@_DLSYM_CONST
+#else
+# define LT@&t@_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+	  # Now generate the symbol file.
+	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+	  cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols.  */
+LT@&t@_DLSYM_CONST struct {
+  const char *name;
+  void       *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+  { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+	  $SED "s/^$symcode$symcode* .* \(.*\)$/  {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+	  cat <<\_LT_EOF >> conftest.$ac_ext
+  {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+  return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+	  # Now try linking the two files.
+	  mv conftest.$ac_objext conftstm.$ac_objext
+	  lt_globsym_save_LIBS=$LIBS
+	  lt_globsym_save_CFLAGS=$CFLAGS
+	  LIBS=conftstm.$ac_objext
+	  CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+	  if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then
+	    pipe_works=yes
+	  fi
+	  LIBS=$lt_globsym_save_LIBS
+	  CFLAGS=$lt_globsym_save_CFLAGS
+	else
+	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+	fi
+      else
+	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+      fi
+    else
+      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+    fi
+  else
+    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+    cat conftest.$ac_ext >&5
+  fi
+  rm -rf conftest* conftst*
+
+  # Do not use the global_symbol_pipe unless it works.
+  if test yes = "$pipe_works"; then
+    break
+  else
+    lt_cv_sys_global_symbol_pipe=
+  fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+  lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+  AC_MSG_RESULT(failed)
+else
+  AC_MSG_RESULT(ok)
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+  nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
+  nm_file_list_spec='@'
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+    [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+    [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1],
+    [Transform the output of nm into a list of symbols to manually relocate])
+_LT_DECL([global_symbol_to_c_name_address],
+    [lt_cv_sys_global_symbol_to_c_name_address], [1],
+    [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+    [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+    [Transform the output of nm in a C name address pair when lib prefix is needed])
+_LT_DECL([nm_interface], [lt_cv_nm_interface], [1],
+    [The name lister interface])
+_LT_DECL([], [nm_file_list_spec], [1],
+    [Specify filename containing input files for $NM])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+m4_if([$1], [CXX], [
+  # C++ specific cases for pic, static, wl, etc.
+  if test yes = "$GXX"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+    aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+    *djgpp*)
+      # DJGPP does not support shared libraries at all
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+      ;;
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+    *qnx* | *nto*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+  else
+    case $host_os in
+      aix[[4-9]]*)
+	# All AIX code is PIC.
+	if test ia64 = "$host_cpu"; then
+	  # AIX 5 now supports IA64 processor
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	else
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+	fi
+	;;
+      chorus*)
+	case $cc_basename in
+	cxch68*)
+	  # Green Hills C++ Compiler
+	  # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+	  ;;
+	esac
+	;;
+      mingw* | cygwin* | os2* | pw32* | cegcc*)
+	# This hack is so that the source file can tell whether it is being
+	# built for inclusion in a dll (and should export symbols for example).
+	m4_if([$1], [GCJ], [],
+	  [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+	;;
+      dgux*)
+	case $cc_basename in
+	  ec++*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  ghcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      freebsd* | dragonfly*)
+	# FreeBSD uses GNU C++
+	;;
+      hpux9* | hpux10* | hpux11*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    if test ia64 != "$host_cpu"; then
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	    fi
+	    ;;
+	  aCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+	    case $host_cpu in
+	    hppa*64*|ia64*)
+	      # +Z the default
+	      ;;
+	    *)
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	      ;;
+	    esac
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      interix*)
+	# This is c89, which is MS Visual C++ (no shared libs)
+	# Anyone wants to do a port?
+	;;
+      irix5* | irix6* | nonstopux*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    # CC pic flag -KPIC is the default.
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+	case $cc_basename in
+	  KCC*)
+	    # KAI C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    ;;
+	  ecpc* )
+	    # old Intel C++ for x86_64, which still supported -KPIC.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
+	  pgCC* | pgcpp*)
+	    # Portland Group C++ compiler
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  cxx*)
+	    # Compaq C++
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*)
+	    # IBM XL 8.0, 9.0 on PPC and BlueGene
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+      lynxos*)
+	;;
+      m88k*)
+	;;
+      mvs*)
+	case $cc_basename in
+	  cxx*)
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      netbsd*)
+	;;
+      *qnx* | *nto*)
+        # QNX uses GNU C++, but need to define -shared option too, otherwise
+        # it will coredump.
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+        ;;
+      osf3* | osf4* | osf5*)
+	case $cc_basename in
+	  KCC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+	    ;;
+	  RCC*)
+	    # Rational C++ 2.4.1
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  cxx*)
+	    # Digital/Compaq C++
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    # Make sure the PIC flag is empty.  It appears that all Alpha
+	    # Linux and Compaq Tru64 Unix objects are PIC.
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      psos*)
+	;;
+      solaris*)
+	case $cc_basename in
+	  CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	    ;;
+	  gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sunos4*)
+	case $cc_basename in
+	  CC*)
+	    # Sun C++ 4.x
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	  lcc*)
+	    # Lucid
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+	case $cc_basename in
+	  CC*)
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	    ;;
+	esac
+	;;
+      tandem*)
+	case $cc_basename in
+	  NCC*)
+	    # NonStop-UX NCC 3.20
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	    ;;
+	  *)
+	    ;;
+	esac
+	;;
+      vxworks*)
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+	;;
+    esac
+  fi
+],
+[
+  if test yes = "$GCC"; then
+    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+    case $host_os in
+      aix*)
+      # All AIX code is PIC.
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+        ;;
+      m68k)
+            # FIXME: we need at least 68020 code to build shared libraries, but
+            # adding the '-m68020' flag to GCC prevents building anything better,
+            # like '-m68040'.
+            _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+        ;;
+      esac
+      ;;
+
+    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+      # PIC is the default for these OSes.
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      # Although the cygwin gcc ignores -fPIC, still need this for old-style
+      # (--disable-auto-import) libraries
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      ;;
+
+    haiku*)
+      # PIC is the default for Haiku.
+      # The "-static" flag exists, but is broken.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)=
+      ;;
+
+    hpux*)
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
+      case $host_cpu in
+      hppa*64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	;;
+      esac
+      ;;
+
+    interix[[3-9]]*)
+      # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+      # Instead, we relocate shared libraries at runtime.
+      ;;
+
+    msdosdjgpp*)
+      # Just because we use GCC doesn't mean we suddenly get shared libraries
+      # on systems that don't support them.
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      enable_shared=no
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+      fi
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      ;;
+    esac
+
+    case $cc_basename in
+    nvcc*) # Cuda Compiler Driver 2.2
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+      fi
+      ;;
+    esac
+  else
+    # PORTME Check for flag to pass linker flags through the system compiler.
+    case $host_os in
+    aix*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      if test ia64 = "$host_cpu"; then
+	# AIX 5 now supports IA64 processor
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      else
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+      fi
+      ;;
+
+    darwin* | rhapsody*)
+      # PIC is the default on this platform
+      # Common symbols not allowed in MH_DYLIB files
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+      case $cc_basename in
+      nagfor*)
+        # NAG Fortran compiler
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      esac
+      ;;
+
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
+      # This hack is so that the source file can tell whether it is being
+      # built for inclusion in a dll (and should export symbols for example).
+      m4_if([$1], [GCJ], [],
+	[_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+      case $host_os in
+      os2*)
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static'
+	;;
+      esac
+      ;;
+
+    hpux9* | hpux10* | hpux11*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+      # not for PA HP-UX.
+      case $host_cpu in
+      hppa*64*|ia64*)
+	# +Z the default
+	;;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+	;;
+      esac
+      # Is there a better lt_prog_compiler_static that works with the bundled CC?
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive'
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # PIC (with -KPIC) is the default.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+      case $cc_basename in
+      # old Intel for x86_64, which still supported -KPIC.
+      ecc*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+	;;
+      nagfor*)
+	# NAG Fortran compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	;;
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	;;
+      pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+        # Portland Group compilers (*not* the Pentium gcc compiler,
+	# which looks to be a dead project)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+        ;;
+      ccc*)
+        _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+        # All Alpha code is PIC.
+        _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+        ;;
+      xl* | bgxl* | bgf* | mpixl*)
+	# IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+	;;
+      *)
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	  ;;
+	*Sun\ C*)
+	  # Sun C 5.9
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  ;;
+        *Intel*\ [[CF]]*Compiler*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	  ;;
+	*Portland\ Group*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  ;;
+	esac
+	;;
+      esac
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *nto* | *qnx*)
+      # QNX uses GNU C++, but need to define -shared option too, otherwise
+      # it will coredump.
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+      ;;
+
+    osf3* | osf4* | osf5*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      # All OSF/1 code is PIC.
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    rdos*)
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      case $cc_basename in
+      f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+      *)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4 | sysv4.2uw2* | sysv4.3*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      fi
+      ;;
+
+    sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    unicos*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+      ;;
+
+    *)
+      _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+      ;;
+    esac
+  fi
+])
+case $host_os in
+  # For platforms that do not support PIC, -DPIC is meaningless:
+  *djgpp*)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+    ;;
+  *)
+    _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+    ;;
+esac
+
+AC_CACHE_CHECK([for $compiler option to produce PIC],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)],
+  [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+  _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+    [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+    [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+    [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+     "" | " "*) ;;
+     *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+     esac],
+    [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+     _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+	[Additional compiler flags for building library objects])
+
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+	[How to pass a linker flag through the compiler])
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+  _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+  $lt_tmp_static_flag,
+  [],
+  [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+	[Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  case $host_os in
+  aix[[4-9]]*)
+    # If we're using GNU nm, then we don't want the "-C" option.
+    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+    # Without the "-l" option, or with the "-B" option, AIX nm treats
+    # weak defined symbols like other global defined symbols, whereas
+    # GNU nm marks them as "W".
+    # While the 'weak' keyword is ignored in the Export File, we need
+    # it in the Import File for the 'aix-soname' feature, so we have
+    # to replace the "-B" option with "-P" for AIX nm.
+    if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+    else
+      _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+    fi
+    ;;
+  pw32*)
+    _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds
+    ;;
+  cygwin* | mingw* | cegcc*)
+    case $cc_basename in
+    cl*)
+      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
+    *)
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+      ;;
+    esac
+    ;;
+  *)
+    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+    ;;
+  esac
+], [
+  runpath_var=
+  _LT_TAGVAR(allow_undefined_flag, $1)=
+  _LT_TAGVAR(always_export_symbols, $1)=no
+  _LT_TAGVAR(archive_cmds, $1)=
+  _LT_TAGVAR(archive_expsym_cmds, $1)=
+  _LT_TAGVAR(compiler_needs_object, $1)=no
+  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+  _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+  _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+  _LT_TAGVAR(hardcode_automatic, $1)=no
+  _LT_TAGVAR(hardcode_direct, $1)=no
+  _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+  _LT_TAGVAR(hardcode_minus_L, $1)=no
+  _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+  _LT_TAGVAR(inherit_rpath, $1)=no
+  _LT_TAGVAR(link_all_deplibs, $1)=unknown
+  _LT_TAGVAR(module_cmds, $1)=
+  _LT_TAGVAR(module_expsym_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+  _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+  _LT_TAGVAR(thread_safe_flag_spec, $1)=
+  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+  # include_expsyms should be a list of space-separated symbols to be *always*
+  # included in the symbol list
+  _LT_TAGVAR(include_expsyms, $1)=
+  # exclude_expsyms can be an extended regexp of symbols to exclude
+  # it will be wrapped by ' (' and ')$', so one must not match beginning or
+  # end of line.  Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc',
+  # as well as any symbol that contains 'd'.
+  _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+  # platforms (ab)use it in PIC code, but their linkers get confused if
+  # the symbol is explicitly referenced.  Since portable code cannot
+  # rely on this symbol name, it's probably fine to never include it in
+  # preloaded symbol tables.
+  # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+  extract_expsyms_cmds=
+
+  case $host_os in
+  cygwin* | mingw* | pw32* | cegcc*)
+    # FIXME: the MSVC++ port hasn't been tested in a loooong time
+    # When not using gcc, we currently assume that we are using
+    # Microsoft Visual C++.
+    if test yes != "$GCC"; then
+      with_gnu_ld=no
+    fi
+    ;;
+  interix*)
+    # we just hope/assume this is gcc and not c89 (= MSVC++)
+    with_gnu_ld=yes
+    ;;
+  openbsd* | bitrig*)
+    with_gnu_ld=no
+    ;;
+  esac
+
+  _LT_TAGVAR(ld_shlibs, $1)=yes
+
+  # On some targets, GNU ld is compatible enough with the native linker
+  # that we're better off using the native interface for both.
+  lt_use_gnu_ld_interface=no
+  if test yes = "$with_gnu_ld"; then
+    case $host_os in
+      aix*)
+	# The AIX port of GNU ld has always aspired to compatibility
+	# with the native linker.  However, as the warning in the GNU ld
+	# block says, versions before 2.19.5* couldn't really create working
+	# shared libraries, regardless of the interface used.
+	case `$LD -v 2>&1` in
+	  *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+	  *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;;
+	  *\ \(GNU\ Binutils\)\ [[3-9]]*) ;;
+	  *)
+	    lt_use_gnu_ld_interface=yes
+	    ;;
+	esac
+	;;
+      *)
+	lt_use_gnu_ld_interface=yes
+	;;
+    esac
+  fi
+
+  if test yes = "$lt_use_gnu_ld_interface"; then
+    # If archive_cmds runs LD, not CC, wlarc should be empty
+    wlarc='$wl'
+
+    # Set some defaults for GNU ld with shared library support. These
+    # are reset later if shared libraries are not supported. Putting them
+    # here allows them to be overridden if necessary.
+    runpath_var=LD_RUN_PATH
+    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+    # ancient GNU ld didn't support --whole-archive et. al.
+    if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+    else
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+    supports_anon_versioning=no
+    case `$LD -v | $SED -e 's/([^)]\+)\s\+//' 2>&1` in
+      *GNU\ gold*) supports_anon_versioning=yes ;;
+      *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+      *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+      *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+      *\ 2.11.*) ;; # other 2.11 versions
+      *) supports_anon_versioning=yes ;;
+    esac
+
+    # See if GNU ld supports shared libraries.
+    case $host_os in
+    aix[[3-9]]*)
+      # On AIX/PPC, the GNU linker is very broken
+      if test ia64 != "$host_cpu"; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support.  If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    beos*)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	# support --undefined.  This deserves some investigation.  FIXME
+	_LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+      # as there is no search path for DLLs.
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=no
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+      _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+
+      if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	# If the export-symbols file already is a .def file, use it as
+	# is; otherwise, prepend EXPORTS...
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+          cp $export_symbols $output_objdir/$soname.def;
+        else
+          echo EXPORTS > $output_objdir/$soname.def;
+          cat $export_symbols >> $output_objdir/$soname.def;
+        fi~
+        $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    haiku*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      ;;
+
+    interix[[3-9]]*)
+      _LT_TAGVAR(hardcode_direct, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+      # Instead, shared libraries are loaded at an image base (0x10000000 by
+      # default) and relocated if they conflict, which is a slow very memory
+      # consuming and fragmenting process.  To avoid this, we pick a random,
+      # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+      # time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+      ;;
+
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+      tmp_diet=no
+      if test linux-dietlibc = "$host_os"; then
+	case $cc_basename in
+	  diet\ *) tmp_diet=yes;;	# linux-dietlibc with static linking (!diet-dyn)
+	esac
+      fi
+      if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+	 && test no = "$tmp_diet"
+      then
+	tmp_addflag=' $pic_flag'
+	tmp_sharedflag='-shared'
+	case $cc_basename,$host_cpu in
+        pgcc*)				# Portland Group C compiler
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag'
+	  ;;
+	pgf77* | pgf90* | pgf95* | pgfortran*)
+					# Portland Group f77 and f90 compilers
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  tmp_addflag=' $pic_flag -Mnomain' ;;
+	ecc*,ia64* | icc*,ia64*)	# Intel C compiler on ia64
+	  tmp_addflag=' -i_dynamic' ;;
+	efc*,ia64* | ifort*,ia64*)	# Intel Fortran compiler on ia64
+	  tmp_addflag=' -i_dynamic -nofor_main' ;;
+	ifc* | ifort*)			# Intel Fortran compiler
+	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+	  tmp_sharedflag='--shared' ;;
+        nagfor*)                        # NAGFOR 5.3
+          tmp_sharedflag='-Wl,-shared' ;;
+	xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+	  tmp_sharedflag='-qmkshrobj'
+	  tmp_addflag= ;;
+	nvcc*)	# Cuda Compiler Driver 2.2
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  ;;
+	esac
+	case `$CC -V 2>&1 | sed 5q` in
+	*Sun\ C*)			# Sun C 5.9
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	  _LT_TAGVAR(compiler_needs_object, $1)=yes
+	  tmp_sharedflag='-G' ;;
+	*Sun\ F*)			# Sun Fortran 8.3
+	  tmp_sharedflag='-G' ;;
+	esac
+	_LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+
+        if test yes = "$supports_anon_versioning"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+            cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+            echo "local: *; };" >> $output_objdir/$libname.ver~
+            $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+        fi
+
+	case $cc_basename in
+	tcc*)
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic'
+	  ;;
+	xlf* | bgf* | bgxlf* | mpixlf*)
+	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+	  if test yes = "$supports_anon_versioning"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+              cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+              echo "local: *; };" >> $output_objdir/$libname.ver~
+              $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+	  fi
+	  ;;
+	esac
+      else
+        _LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+	wlarc=
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      fi
+      ;;
+
+    solaris*)
+      if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+      elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+      case `$LD -v 2>&1` in
+        *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot
+*** reliably create shared libraries on SCO systems.  Therefore, libtool
+*** is disabling shared libraries support.  We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer.  Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+	;;
+	*)
+	  # For security reasons, it is highly recommended that you always
+	  # use absolute paths for naming shared libraries, and exclude the
+	  # DT_RUNPATH tag from executables and libraries.  But doing so
+	  # requires that you compile everything twice, which is a pain.
+	  if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	;;
+      esac
+      ;;
+
+    sunos4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      wlarc=
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+    esac
+
+    if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then
+      runpath_var=
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+      _LT_TAGVAR(whole_archive_flag_spec, $1)=
+    fi
+  else
+    # PORTME fill in a description of your system's linker (not GNU ld)
+    case $host_os in
+    aix3*)
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+      # Note: this linker hardcodes the directories in LIBPATH if there
+      # are no directories specified by -L.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then
+	# Neither direct hardcoding nor static linking is supported with a
+	# broken collect2.
+	_LT_TAGVAR(hardcode_direct, $1)=unsupported
+      fi
+      ;;
+
+    aix[[4-9]]*)
+      if test ia64 = "$host_cpu"; then
+	# On IA64, the linker does run time linking by default, so we don't
+	# have to do anything special.
+	aix_use_runtimelinking=no
+	exp_sym_flag='-Bexport'
+	no_entry_flag=
+      else
+	# If we're using GNU nm, then we don't want the "-C" option.
+	# -C means demangle to GNU nm, but means don't demangle to AIX nm.
+	# Without the "-l" option, or with the "-B" option, AIX nm treats
+	# weak defined symbols like other global defined symbols, whereas
+	# GNU nm marks them as "W".
+	# While the 'weak' keyword is ignored in the Export File, we need
+	# it in the Import File for the 'aix-soname' feature, so we have
+	# to replace the "-B" option with "-P" for AIX nm.
+	if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+	  _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
+	else
+	  _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
+	fi
+	aix_use_runtimelinking=no
+
+	# Test if we are trying to use run time linking or normal
+	# AIX style linking. If -brtl is somewhere in LDFLAGS, we
+	# have runtime linking enabled, and use it for executables.
+	# For shared libraries, we enable/disable runtime linking
+	# depending on the kind of the shared library created -
+	# when "with_aix_soname,aix_use_runtimelinking" is:
+	# "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "aix,yes"  lib.so          shared, rtl:yes, for executables
+	#            lib.a           static archive
+	# "both,no"  lib.so.V(shr.o) shared, rtl:yes
+	#            lib.a(lib.so.V) shared, rtl:no,  for executables
+	# "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a(lib.so.V) shared, rtl:no
+	# "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+	#            lib.a           static archive
+	case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	  for ld_flag in $LDFLAGS; do
+	  if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
+	    aix_use_runtimelinking=yes
+	    break
+	  fi
+	  done
+	  if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	    # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	    # so we don't have lib.a shared libs to link our executables.
+	    # We have to force runtime linking in this case.
+	    aix_use_runtimelinking=yes
+	    LDFLAGS="$LDFLAGS -Wl,-brtl"
+	  fi
+	  ;;
+	esac
+
+	exp_sym_flag='-bexport'
+	no_entry_flag='-bnoentry'
+      fi
+
+      # When large executables or shared objects are built, AIX ld can
+      # have problems creating the table of contents.  If linking a library
+      # or program results in "error TOC overflow" add -mminimal-toc to
+      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+      _LT_TAGVAR(archive_cmds, $1)=''
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+	# The Import File defines what to hardcode.
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+	;;
+      esac
+
+      if test yes = "$GCC"; then
+	case $host_os in aix4.[[012]]|aix4.[[012]].*)
+	# We only want to do this on AIX 4.2 and lower, the check
+	# below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	   strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	  # We have reworked collect2
+	  :
+	  else
+	  # We have old collect2
+	  _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	  # It fails to find uninstalled libraries when the uninstalled
+	  # path is not listed in the libpath.  Setting hardcode_minus_L
+	  # to unsupported forces relinking
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+	  ;;
+	esac
+	shared_flag='-shared'
+	if test yes = "$aix_use_runtimelinking"; then
+	  shared_flag="$shared_flag "'$wl-G'
+	fi
+	# Need to ensure runtime linking is disabled for the traditional
+	# shared library, or the linker may eventually find shared libraries
+	# /with/ Import File - we do not want to mix them.
+	shared_flag_aix='-shared'
+	shared_flag_svr4='-shared $wl-G'
+      else
+	# not using gcc
+	if test ia64 = "$host_cpu"; then
+	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	# chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+	else
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag='$wl-G'
+	  else
+	    shared_flag='$wl-bM:SRE'
+	  fi
+	  shared_flag_aix='$wl-bM:SRE'
+	  shared_flag_svr4='$wl-G'
+	fi
+      fi
+
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+      # It seems that -bexpall does not export symbols beginning with
+      # underscore (_), so it is better to generate a list of symbols to export.
+      _LT_TAGVAR(always_export_symbols, $1)=yes
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+	# Warning - without using the other runtime loading flags (-brtl),
+	# -berok will link without error, but may produce a broken library.
+	_LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+        # Determine the default libpath from the value encoded in an
+        # empty executable.
+        _LT_SYS_MODULE_PATH_AIX([$1])
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+      else
+	if test ia64 = "$host_cpu"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	  _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+	else
+	 # Determine the default libpath from the value encoded in an
+	 # empty executable.
+	 _LT_SYS_MODULE_PATH_AIX([$1])
+	 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	  # Warning - without using the other run time loading flags,
+	  # -berok will link without error, but may produce a broken library.
+	  _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	  if test yes = "$with_gnu_ld"; then
+	    # We only use this code for GNU lds that support --whole-archive.
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	  else
+	    # Exported symbols can be pulled into shared objects from archives
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	  fi
+	  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	  # -brtl affects multiple linker settings, -berok does not and is overridden later
+	  compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	  if test svr4 != "$with_aix_soname"; then
+	    # This is similar to how AIX traditionally builds its shared libraries.
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	  fi
+	  if test aix != "$with_aix_soname"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	  else
+	    # used by -dlpreopen to get the symbols
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	  fi
+	  _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+	fi
+      fi
+      ;;
+
+    amigaos*)
+      case $host_cpu in
+      powerpc)
+            # see comment about AmigaOS4 .so support
+            _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+            _LT_TAGVAR(archive_expsym_cmds, $1)=''
+        ;;
+      m68k)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+            _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes
+        ;;
+      esac
+      ;;
+
+    bsdi[[45]]*)
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+      ;;
+
+    cygwin* | mingw* | pw32* | cegcc*)
+      # When not using gcc, we currently assume that we are using
+      # Microsoft Visual C++.
+      # hardcode_libdir_flag_spec is actually meaningless, as there is
+      # no search path for DLLs.
+      case $cc_basename in
+      cl*)
+	# Native MSVC
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	_LT_TAGVAR(always_export_symbols, $1)=yes
+	_LT_TAGVAR(file_list_spec, $1)='@'
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	_LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+            cp "$export_symbols" "$output_objdir/$soname.def";
+            echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+          else
+            $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+          fi~
+          $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+          linknames='
+	# The linker will not automatically build a static lib if we build a DLL.
+	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+	# Don't use ranlib
+	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	_LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+          lt_tool_outputfile="@TOOL_OUTPUT@"~
+          case $lt_outputfile in
+            *.exe|*.EXE) ;;
+            *)
+              lt_outputfile=$lt_outputfile.exe
+              lt_tool_outputfile=$lt_tool_outputfile.exe
+              ;;
+          esac~
+          if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+            $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+            $RM "$lt_outputfile.manifest";
+          fi'
+	;;
+      *)
+	# Assume MSVC wrapper
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	# Tell ltmain to make .lib files, not .a files.
+	libext=lib
+	# Tell ltmain to make .dll files, not .so files.
+	shrext_cmds=.dll
+	# FIXME: Setting linknames here is a bad hack.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+	# The linker will automatically build a .lib file if we build a DLL.
+	_LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	# FIXME: Should let the user specify the lib program.
+	_LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	;;
+      esac
+      ;;
+
+    darwin* | rhapsody*)
+      _LT_DARWIN_LINKER_FEATURES($1)
+      ;;
+
+    dgux*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+    # support.  Future versions do this automatically, but an explicit c++rt0.o
+    # does not break anything, and helps significantly (at the cost of a little
+    # extra space).
+    freebsd2.2*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+    freebsd2.*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+    freebsd* | dragonfly*)
+      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    hpux9*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+
+      # hardcode_minus_L: Not really in the search PATH,
+      # but as the default location of the library.
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+      ;;
+
+    hpux10*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# hardcode_minus_L: Not really in the search PATH,
+	# but as the default location of the library.
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+      fi
+      ;;
+
+    hpux11*)
+      if test yes,no = "$GCC,$with_gnu_ld"; then
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	esac
+      else
+	case $host_cpu in
+	hppa*64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	ia64*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	m4_if($1, [], [
+	  # Older versions of the 11.00 compiler do not understand -b yet
+	  # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+	  _LT_LINKER_OPTION([if $CC understands -b],
+	    _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b],
+	    [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'],
+	    [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])],
+	  [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'])
+	  ;;
+	esac
+      fi
+      if test no = "$with_gnu_ld"; then
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	case $host_cpu in
+	hppa*64*|ia64*)
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  ;;
+	*)
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+
+	  # hardcode_minus_L: Not really in the search PATH,
+	  # but as the default location of the library.
+	  _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	  ;;
+	esac
+      fi
+      ;;
+
+    irix5* | irix6* | nonstopux*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	# Try to use the -exported_symbol ld option, if it does not
+	# work, assume that -exports_file does not work either and
+	# implicitly export all symbols.
+	# This should be the same for all languages, so no per-tag cache variable.
+	AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol],
+	  [lt_cv_irix_exported_symbol],
+	  [save_LDFLAGS=$LDFLAGS
+	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
+	   AC_LINK_IFELSE(
+	     [AC_LANG_SOURCE(
+	        [AC_LANG_CASE([C], [[int foo (void) { return 0; }]],
+			      [C++], [[int foo (void) { return 0; }]],
+			      [Fortran 77], [[
+      subroutine foo
+      end]],
+			      [Fortran], [[
+      subroutine foo
+      end]])])],
+	      [lt_cv_irix_exported_symbol=yes],
+	      [lt_cv_irix_exported_symbol=no])
+           LDFLAGS=$save_LDFLAGS])
+	if test yes = "$lt_cv_irix_exported_symbol"; then
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
+	fi
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(inherit_rpath, $1)=yes
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    linux*)
+      case $cc_basename in
+      tcc*)
+	# Fabrice Bellard et al's Tiny C Compiler
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	;;
+      esac
+      ;;
+
+    netbsd*)
+      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    newsos6)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *nto* | *qnx*)
+      ;;
+
+    openbsd* | bitrig*)
+      if test -f /usr/libexec/ld.so; then
+	_LT_TAGVAR(hardcode_direct, $1)=yes
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	else
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	fi
+      else
+	_LT_TAGVAR(ld_shlibs, $1)=no
+      fi
+      ;;
+
+    os2*)
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+      shrext_cmds=.dll
+      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	$ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	$ECHO EXPORTS >> $output_objdir/$libname.def~
+	prefix_cmds="$SED"~
+	if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	  prefix_cmds="$prefix_cmds -e 1d";
+	fi~
+	prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	emximp -o $lib $output_objdir/$libname.def'
+      _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+      ;;
+
+    osf3*)
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    osf4* | osf5*)	# as osf3* with the addition of -msym flag
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+      else
+	_LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+          $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp'
+
+	# Both c and cxx compiler support -rpath directly
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+      fi
+      _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+      ;;
+
+    solaris*)
+      _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+      if test yes = "$GCC"; then
+	wlarc='$wl'
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+          $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+      else
+	case `$CC -V 2>&1` in
+	*"Compilers 5.0"*)
+	  wlarc=''
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+	  ;;
+	*)
+	  wlarc='$wl'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+            $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+	  ;;
+	esac
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      case $host_os in
+      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+      *)
+	# The compiler driver will combine and reorder linker options,
+	# but understands '-z linker_flag'.  GCC discards it without '$wl',
+	# but is careful enough not to reorder.
+	# Supported since Solaris 2.6 (maybe 2.5.1?)
+	if test yes = "$GCC"; then
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+	else
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	fi
+	;;
+      esac
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      ;;
+
+    sunos4*)
+      if test sequent = "$host_vendor"; then
+	# Use $CC to link under sequent, because it throws in some extra .o
+	# files that make .init and .fini sections work.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+      fi
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_direct, $1)=yes
+      _LT_TAGVAR(hardcode_minus_L, $1)=yes
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4)
+      case $host_vendor in
+	sni)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+	;;
+	siemens)
+	  ## LD is ld it makes a PLAMLIB
+	  ## CC just makes a GrossModule.
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+	  _LT_TAGVAR(hardcode_direct, $1)=no
+        ;;
+	motorola)
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	  _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+	;;
+      esac
+      runpath_var='LD_RUN_PATH'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    sysv4.3*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+      ;;
+
+    sysv4*MP*)
+      if test -d /usr/nec; then
+	_LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	runpath_var=LD_RUN_PATH
+	hardcode_runpath_var=yes
+	_LT_TAGVAR(ld_shlibs, $1)=yes
+      fi
+      ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    sysv5* | sco3.2v5* | sco5v6*)
+      # Note: We CANNOT use -z defs as we might desire, because we do not
+      # link with -lc, and that would cause any symbols used from libc to
+      # always be unresolved, which means just about no library would
+      # ever link correctly.  If we're not using GNU ld we use -z text
+      # though, which does catch some bad symbols but isn't as heavy-handed
+      # as -z defs.
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+      _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+      _LT_TAGVAR(link_all_deplibs, $1)=yes
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+      runpath_var='LD_RUN_PATH'
+
+      if test yes = "$GCC"; then
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      else
+	_LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+      fi
+      ;;
+
+    uts4*)
+      _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      ;;
+
+    *)
+      _LT_TAGVAR(ld_shlibs, $1)=no
+      ;;
+    esac
+
+    if test sni = "$host_vendor"; then
+      case $host in
+      sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym'
+	;;
+      esac
+    fi
+  fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+    [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+  # Assume -lc should be added
+  _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+  if test yes,yes = "$GCC,$enable_shared"; then
+    case $_LT_TAGVAR(archive_cmds, $1) in
+    *'~'*)
+      # FIXME: we may have to deal with multi-command sequences.
+      ;;
+    '$CC '*)
+      # Test whether the compiler implicitly links with -lc since on some
+      # systems, -lgcc has to come before -lc. If gcc already passes -lc
+      # to ld, don't add -lc before -lgcc.
+      AC_CACHE_CHECK([whether -lc should be explicitly linked in],
+	[lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1),
+	[$RM conftest*
+	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+	if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+	  soname=conftest
+	  lib=conftest
+	  libobjs=conftest.$ac_objext
+	  deplibs=
+	  wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+	  pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+	  compiler_flags=-v
+	  linker_flags=-v
+	  verstring=
+	  output_objdir=.
+	  libname=conftest
+	  lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+	  _LT_TAGVAR(allow_undefined_flag, $1)=
+	  if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+	  then
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	  else
+	    lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	  fi
+	  _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+	else
+	  cat conftest.err 1>&5
+	fi
+	$RM conftest*
+	])
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)
+      ;;
+    esac
+  fi
+  ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+    [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+    [enable_shared_with_static_runtimes], [0],
+    [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+    [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+    [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+    [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+    [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+    [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+    [Commands used to build a loadable module if different from building
+    a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+    [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+    [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+    [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+    [Flag to hardcode $libdir into a binary during linking.
+    This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+    [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+    [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes
+    DIR into the resulting binary and the resulting library dependency is
+    "absolute", i.e impossible to change by setting $shlibpath_var if the
+    library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+    [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+    [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+    into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+    [Set to "yes" if building a shared library automatically hardcodes DIR
+    into the library and all subsequent libraries and executables linked
+    against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+    [Set to yes if linker adds runtime paths of dependent libraries
+    to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+    [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [always_export_symbols], [0],
+    [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+    [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+    [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+    [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+    [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [postlink_cmds], [2],
+    [Commands necessary for finishing linking programs])
+_LT_TAGDECL([], [file_list_spec], [1],
+    [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl    [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC=$CC
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_SYS_DYNAMIC_LINKER($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+  LT_SYS_DLOPEN_SELF
+  _LT_CMD_STRIPLIB
+
+  # Report what library types will actually be built
+  AC_MSG_CHECKING([if libtool supports shared libraries])
+  AC_MSG_RESULT([$can_build_shared])
+
+  AC_MSG_CHECKING([whether to build shared libraries])
+  test no = "$can_build_shared" && enable_shared=no
+
+  # On AIX, shared libraries and static libraries use the same namespace, and
+  # are all built from PIC.
+  case $host_os in
+  aix3*)
+    test yes = "$enable_shared" && enable_static=no
+    if test -n "$RANLIB"; then
+      archive_cmds="$archive_cmds~\$RANLIB \$lib"
+      postinstall_cmds='$RANLIB $lib'
+    fi
+    ;;
+
+  aix[[4-9]]*)
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;			# shared object as lib.so file only
+      yes,svr4,*) ;;			# shared object as lib.so archive member only
+      yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+      esac
+    fi
+    ;;
+  esac
+  AC_MSG_RESULT([$enable_shared])
+
+  AC_MSG_CHECKING([whether to build static libraries])
+  # Make sure either enable_shared or enable_static is yes.
+  test yes = "$enable_shared" || enable_static=yes
+  AC_MSG_RESULT([$enable_static])
+
+  _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC=$lt_save_CC
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined.  These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+if test -n "$CXX" && ( test no != "$CXX" &&
+    ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) ||
+    (test g++ != "$CXX"))); then
+  AC_PROG_CXXCPP
+else
+  _lt_caught_CXX_error=yes
+fi
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_caught_CXX_error"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="int some_variable = 0;"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_CFLAGS=$CFLAGS
+  lt_save_LD=$LD
+  lt_save_GCC=$GCC
+  GCC=$GXX
+  lt_save_with_gnu_ld=$with_gnu_ld
+  lt_save_path_LD=$lt_cv_path_LD
+  if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+    lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+  else
+    $as_unset lt_cv_prog_gnu_ld
+  fi
+  if test -n "${lt_cv_path_LDCXX+set}"; then
+    lt_cv_path_LD=$lt_cv_path_LDCXX
+  else
+    $as_unset lt_cv_path_LD
+  fi
+  test -z "${LDCXX+set}" || LD=$LDCXX
+  CC=${CXX-"c++"}
+  CFLAGS=$CXXFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    # We don't want -fno-exception when compiling C++ code, so set the
+    # no_builtin_flag separately
+    if test yes = "$GXX"; then
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+    else
+      _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+    fi
+
+    if test yes = "$GXX"; then
+      # Set up default GNU C++ configuration
+
+      LT_PATH_LD
+
+      # Check if GNU C++ uses GNU ld as the underlying linker, since the
+      # archiving commands below assume that GNU ld is being used.
+      if test yes = "$with_gnu_ld"; then
+        _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+        # If archive_cmds runs LD, not CC, wlarc should be empty
+        # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+        #     investigate it a little bit more. (MM)
+        wlarc='$wl'
+
+        # ancient GNU ld didn't support --whole-archive et. al.
+        if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+	  $GREP 'no-whole-archive' > /dev/null; then
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+        else
+          _LT_TAGVAR(whole_archive_flag_spec, $1)=
+        fi
+      else
+        with_gnu_ld=no
+        wlarc=
+
+        # A generic and very simple default shared library creation
+        # command for GNU C++ for the case where it uses the native
+        # linker, instead of GNU ld.  If possible, this setting should
+        # overridden to take advantage of the native linker features on
+        # the platform it is being used on.
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+      fi
+
+      # Commands to make compiler produce verbose output that lists
+      # what "hidden" libraries, object files and flags are used when
+      # linking a shared library.
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+    else
+      GXX=no
+      with_gnu_ld=no
+      wlarc=
+    fi
+
+    # PORTME: fill in a description of your system's C++ link characteristics
+    AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+    _LT_TAGVAR(ld_shlibs, $1)=yes
+    case $host_os in
+      aix3*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+      aix[[4-9]]*)
+        if test ia64 = "$host_cpu"; then
+          # On IA64, the linker does run time linking by default, so we don't
+          # have to do anything special.
+          aix_use_runtimelinking=no
+          exp_sym_flag='-Bexport'
+          no_entry_flag=
+        else
+          aix_use_runtimelinking=no
+
+          # Test if we are trying to use run time linking or normal
+          # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+          # have runtime linking enabled, and use it for executables.
+          # For shared libraries, we enable/disable runtime linking
+          # depending on the kind of the shared library created -
+          # when "with_aix_soname,aix_use_runtimelinking" is:
+          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "aix,yes"  lib.so          shared, rtl:yes, for executables
+          #            lib.a           static archive
+          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+          #            lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a(lib.so.V) shared, rtl:no
+          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a           static archive
+          case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+	    for ld_flag in $LDFLAGS; do
+	      case $ld_flag in
+	      *-brtl*)
+	        aix_use_runtimelinking=yes
+	        break
+	        ;;
+	      esac
+	    done
+	    if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+	      # With aix-soname=svr4, we create the lib.so.V shared archives only,
+	      # so we don't have lib.a shared libs to link our executables.
+	      # We have to force runtime linking in this case.
+	      aix_use_runtimelinking=yes
+	      LDFLAGS="$LDFLAGS -Wl,-brtl"
+	    fi
+	    ;;
+          esac
+
+          exp_sym_flag='-bexport'
+          no_entry_flag='-bnoentry'
+        fi
+
+        # When large executables or shared objects are built, AIX ld can
+        # have problems creating the table of contents.  If linking a library
+        # or program results in "error TOC overflow" add -mminimal-toc to
+        # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
+        # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+        _LT_TAGVAR(archive_cmds, $1)=''
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        _LT_TAGVAR(file_list_spec, $1)='$wl-f,'
+        case $with_aix_soname,$aix_use_runtimelinking in
+        aix,*) ;;	# no import file
+        svr4,* | *,yes) # use import file
+          # The Import File defines what to hardcode.
+          _LT_TAGVAR(hardcode_direct, $1)=no
+          _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+          ;;
+        esac
+
+        if test yes = "$GXX"; then
+          case $host_os in aix4.[[012]]|aix4.[[012]].*)
+          # We only want to do this on AIX 4.2 and lower, the check
+          # below for broken collect2 doesn't work under 4.3+
+	  collect2name=`$CC -print-prog-name=collect2`
+	  if test -f "$collect2name" &&
+	     strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+	  then
+	    # We have reworked collect2
+	    :
+	  else
+	    # We have old collect2
+	    _LT_TAGVAR(hardcode_direct, $1)=unsupported
+	    # It fails to find uninstalled libraries when the uninstalled
+	    # path is not listed in the libpath.  Setting hardcode_minus_L
+	    # to unsupported forces relinking
+	    _LT_TAGVAR(hardcode_minus_L, $1)=yes
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=
+	  fi
+          esac
+          shared_flag='-shared'
+	  if test yes = "$aix_use_runtimelinking"; then
+	    shared_flag=$shared_flag' $wl-G'
+	  fi
+	  # Need to ensure runtime linking is disabled for the traditional
+	  # shared library, or the linker may eventually find shared libraries
+	  # /with/ Import File - we do not want to mix them.
+	  shared_flag_aix='-shared'
+	  shared_flag_svr4='-shared $wl-G'
+        else
+          # not using gcc
+          if test ia64 = "$host_cpu"; then
+	  # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+	  # chokes on -Wl,-G. The following line is correct:
+	  shared_flag='-G'
+          else
+	    if test yes = "$aix_use_runtimelinking"; then
+	      shared_flag='$wl-G'
+	    else
+	      shared_flag='$wl-bM:SRE'
+	    fi
+	    shared_flag_aix='$wl-bM:SRE'
+	    shared_flag_svr4='$wl-G'
+          fi
+        fi
+
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall'
+        # It seems that -bexpall does not export symbols beginning with
+        # underscore (_), so it is better to generate a list of symbols to
+	# export.
+        _LT_TAGVAR(always_export_symbols, $1)=yes
+	if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
+          # Warning - without using the other runtime loading flags (-brtl),
+          # -berok will link without error, but may produce a broken library.
+          # The "-G" linker flag allows undefined symbols.
+          _LT_TAGVAR(no_undefined_flag, $1)='-bernotok'
+          # Determine the default libpath from the value encoded in an empty
+          # executable.
+          _LT_SYS_MODULE_PATH_AIX([$1])
+          _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+
+          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag
+        else
+          if test ia64 = "$host_cpu"; then
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib'
+	    _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols"
+          else
+	    # Determine the default libpath from the value encoded in an
+	    # empty executable.
+	    _LT_SYS_MODULE_PATH_AIX([$1])
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath"
+	    # Warning - without using the other run time loading flags,
+	    # -berok will link without error, but may produce a broken library.
+	    _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok'
+	    _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok'
+	    if test yes = "$with_gnu_ld"; then
+	      # We only use this code for GNU lds that support --whole-archive.
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    else
+	      # Exported symbols can be pulled into shared objects from archives
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+	    fi
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+	    # -brtl affects multiple linker settings, -berok does not and is overridden later
+	    compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`'
+	    if test svr4 != "$with_aix_soname"; then
+	      # This is similar to how AIX traditionally builds its shared
+	      # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+	    fi
+	    if test aix != "$with_aix_soname"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+	    else
+	      # used by -dlpreopen to get the symbols
+	      _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+	    fi
+	    _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d'
+          fi
+        fi
+        ;;
+
+      beos*)
+	if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+	  # support --undefined.  This deserves some investigation.  FIXME
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      chorus*)
+        case $cc_basename in
+          *)
+	  # FIXME: insert proper C++ library support
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	  ;;
+        esac
+        ;;
+
+      cygwin* | mingw* | pw32* | cegcc*)
+	case $GXX,$cc_basename in
+	,cl* | no,cl*)
+	  # Native MSVC
+	  # hardcode_libdir_flag_spec is actually meaningless, as there is
+	  # no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=yes
+	  _LT_TAGVAR(file_list_spec, $1)='@'
+	  # Tell ltmain to make .lib files, not .a files.
+	  libext=lib
+	  # Tell ltmain to make .dll files, not .so files.
+	  shrext_cmds=.dll
+	  # FIXME: Setting linknames here is a bad hack.
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames='
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp "$export_symbols" "$output_objdir/$soname.def";
+              echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp";
+            else
+              $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp;
+            fi~
+            $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+            linknames='
+	  # The linker will not automatically build a static lib if we build a DLL.
+	  # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	  # Don't use ranlib
+	  _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+	  _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+            lt_tool_outputfile="@TOOL_OUTPUT@"~
+            case $lt_outputfile in
+              *.exe|*.EXE) ;;
+              *)
+                lt_outputfile=$lt_outputfile.exe
+                lt_tool_outputfile=$lt_tool_outputfile.exe
+                ;;
+            esac~
+            func_to_tool_file "$lt_outputfile"~
+            if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then
+              $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+              $RM "$lt_outputfile.manifest";
+            fi'
+	  ;;
+	*)
+	  # g++
+	  # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+	  # as there is no search path for DLLs.
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	  _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols'
+	  _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	  _LT_TAGVAR(always_export_symbols, $1)=no
+	  _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+	  if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	    # If the export-symbols file already is a .def file, use it as
+	    # is; otherwise, prepend EXPORTS...
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then
+              cp $export_symbols $output_objdir/$soname.def;
+            else
+              echo EXPORTS > $output_objdir/$soname.def;
+              cat $export_symbols >> $output_objdir/$soname.def;
+            fi~
+            $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+	  else
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	  fi
+	  ;;
+	esac
+	;;
+      darwin* | rhapsody*)
+        _LT_DARWIN_LINKER_FEATURES($1)
+	;;
+
+      os2*)
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+	_LT_TAGVAR(hardcode_minus_L, $1)=yes
+	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+	shrext_cmds=.dll
+	_LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	  prefix_cmds="$SED"~
+	  if test EXPORTS = "`$SED 1q $export_symbols`"; then
+	    prefix_cmds="$prefix_cmds -e 1d";
+	  fi~
+	  prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+	  cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+	  emximp -o $lib $output_objdir/$libname.def'
+	_LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	;;
+
+      dgux*)
+        case $cc_basename in
+          ec++*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          ghcx*)
+	    # Green Hills C++ Compiler
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      freebsd2.*)
+        # C++ shared libraries reported to be fairly broken before
+	# switch to ELF
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      freebsd-elf*)
+        _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+        ;;
+
+      freebsd* | dragonfly*)
+        # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+        # conventions
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+        ;;
+
+      haiku*)
+        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+        _LT_TAGVAR(link_all_deplibs, $1)=yes
+        ;;
+
+      hpux9*)
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+        _LT_TAGVAR(hardcode_direct, $1)=yes
+        _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+				             # but as the default
+				             # location of the library.
+
+        case $cc_basename in
+          CC*)
+            # FIXME: insert proper C++ library support
+            _LT_TAGVAR(ld_shlibs, $1)=no
+            ;;
+          aCC*)
+            _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            # Commands to make compiler produce verbose output that lists
+            # what "hidden" libraries, object files and flags are used when
+            # linking a shared library.
+            #
+            # There doesn't appear to be a way to prevent this compiler from
+            # explicitly linking system object files so we need to strip them
+            # from the output so that they don't get included in the library
+            # dependencies.
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            ;;
+          *)
+            if test yes = "$GXX"; then
+              _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib'
+            else
+              # FIXME: insert proper C++ library support
+              _LT_TAGVAR(ld_shlibs, $1)=no
+            fi
+            ;;
+        esac
+        ;;
+
+      hpux10*|hpux11*)
+        if test no = "$with_gnu_ld"; then
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir'
+	  _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+          case $host_cpu in
+            hppa*64*|ia64*)
+              ;;
+            *)
+	      _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+              ;;
+          esac
+        fi
+        case $host_cpu in
+          hppa*64*|ia64*)
+            _LT_TAGVAR(hardcode_direct, $1)=no
+            _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+            ;;
+          *)
+            _LT_TAGVAR(hardcode_direct, $1)=yes
+            _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+            _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+					         # but as the default
+					         # location of the library.
+            ;;
+        esac
+
+        case $cc_basename in
+          CC*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          aCC*)
+	    case $host_cpu in
+	      hppa*64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      ia64*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	      *)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	        ;;
+	    esac
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        case $host_cpu in
+	          hppa*64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          ia64*)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	          *)
+	            _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	            ;;
+	        esac
+	      fi
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      interix[[3-9]]*)
+	_LT_TAGVAR(hardcode_direct, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	# Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+	# Instead, shared libraries are loaded at an image base (0x10000000 by
+	# default) and relocated if they conflict, which is a slow very memory
+	# consuming and fragmenting process.  To avoid this, we pick a random,
+	# 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+	# time.  Moving up from 0x10000000 also allows more sbrk(2) space.
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+	;;
+      irix5* | irix6*)
+        case $cc_basename in
+          CC*)
+	    # SGI C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -ar", where "CC" is the IRIX C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    if test yes = "$GXX"; then
+	      if test no = "$with_gnu_ld"; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+	      else
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib'
+	      fi
+	    fi
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+	    ;;
+        esac
+        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+        _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+        _LT_TAGVAR(inherit_rpath, $1)=yes
+        ;;
+
+      linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib'
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+	    ;;
+	  icpc* | ecpc* )
+	    # Intel C++
+	    with_gnu_ld=yes
+	    # version 8.0 and above of icpc choke on multiply defined symbols
+	    # if we add $predep_objects and $postdep_objects, however 7.1 and
+	    # earlier do not add the objects themselves.
+	    case `$CC -V 2>&1` in
+	      *"Version 7."*)
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	      *)  # Version 8.0 or newer
+	        tmp_idyn=
+	        case $host_cpu in
+		  ia64*) tmp_idyn=' -i_dynamic';;
+		esac
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+		_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+		;;
+	    esac
+	    _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive'
+	    ;;
+          pgCC* | pgcpp*)
+            # Portland Group C++ compiler
+	    case `$CC -V` in
+	    *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*)
+	      _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+               rm -rf $tpldir~
+               $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+               compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+	      _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+                $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+                $RANLIB $oldlib'
+	      _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+                rm -rf $tpldir~
+                $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+                $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    *) # Version 6 and above use weak symbols
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+	      ;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+            ;;
+	  cxx*)
+	    # Compaq C++
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname  -o $lib $wl-retain-symbols-file $wl$export_symbols'
+
+	    runpath_var=LD_RUN_PATH
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+	    ;;
+	  xl* | mpixl* | bgxl*)
+	    # IBM XL 8.0 on PPC, with GNU ld
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	    if test yes = "$supports_anon_versioning"; then
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+                cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+                echo "local: *; };" >> $output_objdir/$libname.ver~
+                $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib'
+	    fi
+	    ;;
+	  *)
+	    case `$CC -V 2>&1 | sed 5q` in
+	    *Sun\ C*)
+	      # Sun C++ 5.9
+	      _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	      _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	      _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols'
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	      _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive'
+	      _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+	      # Not sure whether something based on
+	      # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+	      # would be better.
+	      output_verbose_link_cmd='func_echo_all'
+
+	      # Archives containing C++ object files must be created using
+	      # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	      # necessary to make sure instantiated templates are included
+	      # in the archive.
+	      _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	      ;;
+	    esac
+	    ;;
+	esac
+	;;
+
+      lynxos*)
+        # FIXME: insert proper C++ library support
+	_LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      m88k*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+	;;
+
+      mvs*)
+        case $cc_basename in
+          cxx*)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	  *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+	esac
+	;;
+
+      netbsd*)
+        if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+	  wlarc=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	fi
+	# Workaround some broken pre-1.5 toolchains
+	output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+	;;
+
+      *nto* | *qnx*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
+      openbsd* | bitrig*)
+	if test -f /usr/libexec/ld.so; then
+	  _LT_TAGVAR(hardcode_direct, $1)=yes
+	  _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	  _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib'
+	    _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E'
+	    _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive'
+	  fi
+	  output_verbose_link_cmd=func_echo_all
+	else
+	  _LT_TAGVAR(ld_shlibs, $1)=no
+	fi
+	;;
+
+      osf3* | osf4* | osf5*)
+        case $cc_basename in
+          KCC*)
+	    # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+	    # KCC will only create a shared library if the output file
+	    # ends with ".so" (or ".sl" for HP-UX), so rename the library
+	    # to its proper name (with version) after linking.
+	    _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir'
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Archives containing C++ object files must be created using
+	    # the KAI C++ compiler.
+	    case $host in
+	      osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+	      *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+	    esac
+	    ;;
+          RCC*)
+	    # Rational C++ 2.4.1
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          cxx*)
+	    case $host in
+	      osf3*)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+		;;
+	      *)
+	        _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+                  echo "-hidden">> $lib.exp~
+                  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp  `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~
+                  $RM $lib.exp'
+	        _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+		;;
+	    esac
+
+	    _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	    # Commands to make compiler produce verbose output that lists
+	    # what "hidden" libraries, object files and flags are used when
+	    # linking a shared library.
+	    #
+	    # There doesn't appear to be a way to prevent this compiler from
+	    # explicitly linking system object files so we need to strip them
+	    # from the output so that they don't get included in the library
+	    # dependencies.
+	    output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    ;;
+	  *)
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*'
+	      case $host in
+	        osf3*)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	        *)
+	          _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib'
+		  ;;
+	      esac
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir'
+	      _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+	      # Commands to make compiler produce verbose output that lists
+	      # what "hidden" libraries, object files and flags are used when
+	      # linking a shared library.
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+	    else
+	      # FIXME: insert proper C++ library support
+	      _LT_TAGVAR(ld_shlibs, $1)=no
+	    fi
+	    ;;
+        esac
+        ;;
+
+      psos*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      sunos4*)
+        case $cc_basename in
+          CC*)
+	    # Sun C++ 4.x
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          lcc*)
+	    # Lucid
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      solaris*)
+        case $cc_basename in
+          CC* | sunCC*)
+	    # Sun C++ 4.2, 5.x and Centerline C++
+            _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+	    _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+              $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	    _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+	    _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	    case $host_os in
+	      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+	      *)
+		# The compiler driver will combine and reorder linker options,
+		# but understands '-z linker_flag'.
+	        # Supported since Solaris 2.6 (maybe 2.5.1?)
+		_LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+	        ;;
+	    esac
+	    _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+	    output_verbose_link_cmd='func_echo_all'
+
+	    # Archives containing C++ object files must be created using
+	    # "CC -xar", where "CC" is the Sun C++ compiler.  This is
+	    # necessary to make sure instantiated templates are included
+	    # in the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+	    ;;
+          gcx*)
+	    # Green Hills C++ Compiler
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+
+	    # The C++ compiler must be used to create the archive.
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+	    ;;
+          *)
+	    # GNU C++ compiler with Solaris linker
+	    if test yes,no = "$GXX,$with_gnu_ld"; then
+	      _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs'
+	      if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      else
+	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
+	        # platform.
+	        _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib'
+	        _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+                  $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+	        # Commands to make compiler produce verbose output that lists
+	        # what "hidden" libraries, object files and flags are used when
+	        # linking a shared library.
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      fi
+
+	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'
+	      case $host_os in
+		solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+		*)
+		  _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract'
+		  ;;
+	      esac
+	    fi
+	    ;;
+        esac
+        ;;
+
+    sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+      _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+      _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+      _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+      runpath_var='LD_RUN_PATH'
+
+      case $cc_basename in
+        CC*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+	*)
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	  ;;
+      esac
+      ;;
+
+      sysv5* | sco3.2v5* | sco5v6*)
+	# Note: We CANNOT use -z defs as we might desire, because we do not
+	# link with -lc, and that would cause any symbols used from libc to
+	# always be unresolved, which means just about no library would
+	# ever link correctly.  If we're not using GNU ld we use -z text
+	# though, which does catch some bad symbols but isn't as heavy-handed
+	# as -z defs.
+	_LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text'
+	_LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs'
+	_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+	_LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir'
+	_LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+	_LT_TAGVAR(link_all_deplibs, $1)=yes
+	_LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport'
+	runpath_var='LD_RUN_PATH'
+
+	case $cc_basename in
+          CC*)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
+              '"$_LT_TAGVAR(old_archive_cmds, $1)"
+	    _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
+              '"$_LT_TAGVAR(reload_cmds, $1)"
+	    ;;
+	  *)
+	    _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+	    ;;
+	esac
+      ;;
+
+      tandem*)
+        case $cc_basename in
+          NCC*)
+	    # NonStop-UX NCC 3.20
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+          *)
+	    # FIXME: insert proper C++ library support
+	    _LT_TAGVAR(ld_shlibs, $1)=no
+	    ;;
+        esac
+        ;;
+
+      vxworks*)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+
+      *)
+        # FIXME: insert proper C++ library support
+        _LT_TAGVAR(ld_shlibs, $1)=no
+        ;;
+    esac
+
+    AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+    test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no
+
+    _LT_TAGVAR(GCC, $1)=$GXX
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+  LDCXX=$LD
+  LD=$lt_save_LD
+  GCC=$lt_save_GCC
+  with_gnu_ld=$lt_save_with_gnu_ld
+  lt_cv_path_LDCXX=$lt_cv_path_LD
+  lt_cv_path_LD=$lt_save_path_LD
+  lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+  lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test yes != "$_lt_caught_CXX_error"
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_FUNC_STRIPNAME_CNF
+# ----------------------
+# func_stripname_cnf prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+#
+# This function is identical to the (non-XSI) version of func_stripname,
+# except this one can be used by m4 code that may be executed by configure,
+# rather than the libtool script.
+m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl
+AC_REQUIRE([_LT_DECL_SED])
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])
+func_stripname_cnf ()
+{
+  case @S|@2 in
+  .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;;
+  *)  func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;;
+  esac
+} # func_stripname_cnf
+])# _LT_FUNC_STRIPNAME_CNF
+
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library.  It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+  Foo (void) { a = 0; }
+private:
+  int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer*4 a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+      subroutine foo
+      implicit none
+      integer a
+      a=0
+      return
+      end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+  private int a;
+  public void bar (void) {
+    a = 0;
+  }
+};
+_LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
+])
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+  # Parse the compiler output and extract the necessary
+  # objects, libraries and library flags.
+
+  # Sentinel used to keep track of whether or not we are before
+  # the conftest object file.
+  pre_test_object_deps_done=no
+
+  for p in `eval "$output_verbose_link_cmd"`; do
+    case $prev$p in
+
+    -L* | -R* | -l*)
+       # Some compilers place space between "-{L,R}" and the path.
+       # Remove the space.
+       if test x-L = "$p" ||
+          test x-R = "$p"; then
+	 prev=$p
+	 continue
+       fi
+
+       # Expand the sysroot to ease extracting the directories later.
+       if test -z "$prev"; then
+         case $p in
+         -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+         -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+         -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+         esac
+       fi
+       case $p in
+       =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+       esac
+       if test no = "$pre_test_object_deps_done"; then
+	 case $prev in
+	 -L | -R)
+	   # Internal compiler library paths should come after those
+	   # provided the user.  The postdeps already come after the
+	   # user supplied libs so there is no need to process them.
+	   if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+	     _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p
+	   else
+	     _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p"
+	   fi
+	   ;;
+	 # The "-l" case would never come before the object being
+	 # linked, so don't bother handling this case.
+	 esac
+       else
+	 if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+	   _LT_TAGVAR(postdeps, $1)=$prev$p
+	 else
+	   _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p"
+	 fi
+       fi
+       prev=
+       ;;
+
+    *.lto.$objext) ;; # Ignore GCC LTO objects
+    *.$objext)
+       # This assumes that the test object file only shows up
+       # once in the compiler output.
+       if test "$p" = "conftest.$objext"; then
+	 pre_test_object_deps_done=yes
+	 continue
+       fi
+
+       if test no = "$pre_test_object_deps_done"; then
+	 if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+	   _LT_TAGVAR(predep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+	 fi
+       else
+	 if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+	   _LT_TAGVAR(postdep_objects, $1)=$p
+	 else
+	   _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+	 fi
+       fi
+       ;;
+
+    *) ;; # Ignore the rest.
+
+    esac
+  done
+
+  # Clean up.
+  rm -f a.out a.exe
+else
+  echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+  # Interix 3.5 installs completely hosed .la files for C++, so rather than
+  # hack all around it, let's just trust "g++" to DTRT.
+  _LT_TAGVAR(predep_objects,$1)=
+  _LT_TAGVAR(postdep_objects,$1)=
+  _LT_TAGVAR(postdeps,$1)=
+  ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+    [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+    [Dependencies to place before and after the objects being linked to
+    create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+    [The library search path used internally by the compiler when linking
+    a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_LANG_PUSH(Fortran 77)
+if test -z "$F77" || test no = "$F77"; then
+  _lt_disable_F77=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_F77"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${F77-"f77"}
+  CFLAGS=$FFLAGS
+  compiler=$CC
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+  GCC=$G77
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$G77
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_F77"
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_LANG_PUSH(Fortran)
+
+if test -z "$FC" || test no = "$FC"; then
+  _lt_disable_FC=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working.  Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test yes != "$_lt_disable_FC"; then
+  # Code to be used in simple compile tests
+  lt_simple_compile_test_code="\
+      subroutine t
+      return
+      end
+"
+
+  # Code to be used in simple link tests
+  lt_simple_link_test_code="\
+      program t
+      end
+"
+
+  # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+  _LT_TAG_COMPILER
+
+  # save warnings/boilerplate of simple test code
+  _LT_COMPILER_BOILERPLATE
+  _LT_LINKER_BOILERPLATE
+
+  # Allow CC to be a program name with arguments.
+  lt_save_CC=$CC
+  lt_save_GCC=$GCC
+  lt_save_CFLAGS=$CFLAGS
+  CC=${FC-"f95"}
+  CFLAGS=$FCFLAGS
+  compiler=$CC
+  GCC=$ac_cv_fc_compiler_gnu
+
+  _LT_TAGVAR(compiler, $1)=$CC
+  _LT_CC_BASENAME([$compiler])
+
+  if test -n "$compiler"; then
+    AC_MSG_CHECKING([if libtool supports shared libraries])
+    AC_MSG_RESULT([$can_build_shared])
+
+    AC_MSG_CHECKING([whether to build shared libraries])
+    test no = "$can_build_shared" && enable_shared=no
+
+    # On AIX, shared libraries and static libraries use the same namespace, and
+    # are all built from PIC.
+    case $host_os in
+      aix3*)
+        test yes = "$enable_shared" && enable_static=no
+        if test -n "$RANLIB"; then
+          archive_cmds="$archive_cmds~\$RANLIB \$lib"
+          postinstall_cmds='$RANLIB $lib'
+        fi
+        ;;
+      aix[[4-9]]*)
+	if test ia64 != "$host_cpu"; then
+	  case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+	  yes,aix,yes) ;;		# shared object as lib.so file only
+	  yes,svr4,*) ;;		# shared object as lib.so archive member only
+	  yes,*) enable_static=no ;;	# shared object in lib.a archive as well
+	  esac
+	fi
+        ;;
+    esac
+    AC_MSG_RESULT([$enable_shared])
+
+    AC_MSG_CHECKING([whether to build static libraries])
+    # Make sure either enable_shared or enable_static is yes.
+    test yes = "$enable_shared" || enable_static=yes
+    AC_MSG_RESULT([$enable_static])
+
+    _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu
+    _LT_TAGVAR(LD, $1)=$LD
+
+    ## CAVEAT EMPTOR:
+    ## There is no encapsulation within the following macros, do not change
+    ## the running order or otherwise move them around unless you know exactly
+    ## what you are doing...
+    _LT_SYS_HIDDEN_LIBDEPS($1)
+    _LT_COMPILER_PIC($1)
+    _LT_COMPILER_C_O($1)
+    _LT_COMPILER_FILE_LOCKS($1)
+    _LT_LINKER_SHLIBS($1)
+    _LT_SYS_DYNAMIC_LINKER($1)
+    _LT_LINKER_HARDCODE_LIBPATH($1)
+
+    _LT_CONFIG($1)
+  fi # test -n "$compiler"
+
+  GCC=$lt_save_GCC
+  CC=$lt_save_CC
+  CFLAGS=$lt_save_CFLAGS
+fi # test yes != "$_lt_disable_FC"
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+CFLAGS=$GCJFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)=$LD
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to 'libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code=$lt_simple_compile_test_code
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+CFLAGS=
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+  :
+  _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+  [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+    [AC_CHECK_TOOL(GCJ, gcj,)
+      test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2"
+      AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+# _LT_DECL_DLLTOOL
+# ----------------
+# Ensure DLLTOOL variable is set.
+m4_defun([_LT_DECL_DLLTOOL],
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])
+AC_SUBST([DLLTOOL])
+])
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+    [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for lt_ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+        lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+      fi
+    done
+  done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+  test ! -f "$lt_ac_sed" && continue
+  cat /dev/null > conftest.in
+  lt_ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+  # Check for GNU sed and select it if it is found.
+  if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+    lt_cv_path_SED=$lt_ac_sed
+    break
+  fi
+  while true; do
+    cat conftest.in conftest.in >conftest.tmp
+    mv conftest.tmp conftest.in
+    cp conftest.in conftest.nl
+    echo >>conftest.nl
+    $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+    cmp -s conftest.out conftest.nl || break
+    # 10000 chars as input seems more than enough
+    test 10 -lt "$lt_ac_count" && break
+    lt_ac_count=`expr $lt_ac_count + 1`
+    if test "$lt_ac_count" -gt "$lt_ac_max"; then
+      lt_ac_max=$lt_ac_count
+      lt_cv_path_SED=$lt_ac_sed
+    fi
+  done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+  lt_unset=unset
+else
+  lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+  lt_SP2NL='tr \040 \012'
+  lt_NL2SP='tr \015\012 \040\040'
+  ;;
+ *) # EBCDIC based system
+  lt_SP2NL='tr \100 \n'
+  lt_NL2SP='tr \r\n \100\100'
+  ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PATH_CONVERSION_FUNCTIONS
+# -----------------------------
+# Determine what file name conversion functions should be used by
+# func_to_host_file (and, implicitly, by func_to_host_path).  These are needed
+# for certain cross-compile configurations and native mingw.
+m4_defun([_LT_PATH_CONVERSION_FUNCTIONS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_MSG_CHECKING([how to convert $build file names to $host format])
+AC_CACHE_VAL(lt_cv_to_host_file_cmd,
+[case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+        ;;
+    esac
+    ;;
+  *-*-cygwin* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+        ;;
+      *-*-cygwin* )
+        lt_cv_to_host_file_cmd=func_convert_file_noop
+        ;;
+      * ) # otherwise, assume *nix
+        lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+        ;;
+    esac
+    ;;
+  * ) # unhandled hosts (and "normal" native builds)
+    lt_cv_to_host_file_cmd=func_convert_file_noop
+    ;;
+esac
+])
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+AC_MSG_RESULT([$lt_cv_to_host_file_cmd])
+_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd],
+         [0], [convert $build file names to $host format])dnl
+
+AC_MSG_CHECKING([how to convert $build file names to toolchain format])
+AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
+[#assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+  *-*-mingw* )
+    case $build in
+      *-*-mingw* ) # actually msys
+        lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+        ;;
+    esac
+    ;;
+esac
+])
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
+_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
+         [0], [convert $build files to toolchain format])dnl
+])# _LT_PATH_CONVERSION_FUNCTIONS
diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4
new file mode 100644
index 0000000..94b0829
--- /dev/null
+++ b/m4/ltoptions.m4
@@ -0,0 +1,437 @@
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
+#   Foundation, Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 8 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option '$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+		   [_LT_ENABLE_FAST_INSTALL])
+  _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
+		   [_LT_WITH_AIX_SONAME([aix])])
+  ])
+])# _LT_SET_OPTIONS
+
+
+## --------------------------------- ##
+## Macros to handle LT_INIT options. ##
+## --------------------------------- ##
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the 'shared' and
+# 'disable-shared' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the 'static' and
+# 'disable-static' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the 'fast-install'
+# and 'disable-fast-install' LT_INIT options.
+# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for pkg in $enableval; do
+	IFS=$lt_save_ifs
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the 'disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_AIX_SONAME([DEFAULT])
+# ----------------------------------
+# implement the --with-aix-soname flag, and support the `aix-soname=aix'
+# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
+# is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
+m4_define([_LT_WITH_AIX_SONAME],
+[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
+shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[[5-9]]*,yes)
+  AC_MSG_CHECKING([which variant of shared library versioning to provide])
+  AC_ARG_WITH([aix-soname],
+    [AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
+      [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
+    [case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      AC_MSG_ERROR([Unknown argument to --with-aix-soname])
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname],
+    [AC_CACHE_VAL([lt_cv_with_aix_soname],
+      [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
+    with_aix_soname=$lt_cv_with_aix_soname])
+  AC_MSG_RESULT([$with_aix_soname])
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+_LT_DECL([], [shared_archive_member_spec], [0],
+    [Shared archive member basename, for filename based shared library versioning on AIX])dnl
+])# _LT_WITH_AIX_SONAME
+
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
+LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
+# LT_INIT options.
+# MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
+      for lt_pkg in $withval; do
+	IFS=$lt_save_ifs
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS=$lt_save_ifs
+      ;;
+    esac],
+    [pic_mode=m4_default([$1], [default])])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the 'pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+## ----------------- ##
+## LTDL_INIT Options ##
+## ----------------- ##
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])
diff --git a/m4/ltsugar.m4 b/m4/ltsugar.m4
new file mode 100644
index 0000000..48bc934
--- /dev/null
+++ b/m4/ltsugar.m4
@@ -0,0 +1,124 @@
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
+# Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59, which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
diff --git a/m4/ltversion.m4 b/m4/ltversion.m4
new file mode 100644
index 0000000..fa04b52
--- /dev/null
+++ b/m4/ltversion.m4
@@ -0,0 +1,23 @@
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2011-2015 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 4179 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.6])
+m4_define([LT_PACKAGE_REVISION], [2.4.6])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.6'
+macro_revision='2.4.6'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
diff --git a/m4/lt~obsolete.m4 b/m4/lt~obsolete.m4
new file mode 100644
index 0000000..c6b26f8
--- /dev/null
+++ b/m4/lt~obsolete.m4
@@ -0,0 +1,99 @@
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
+#   Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
diff --git a/m4/ntp_pkg_config.m4 b/m4/ntp_pkg_config.m4
new file mode 100644
index 0000000..1bce8a6
--- /dev/null
+++ b/m4/ntp_pkg_config.m4
@@ -0,0 +1,27 @@
+dnl NTP_PKG_CONFIG					-*- Autoconf -*-
+dnl
+dnl Look for pkg-config, which must be at least
+dnl $ntp_pkgconfig_min_version.
+dnl
+AC_DEFUN([NTP_PKG_CONFIG], [
+
+dnl lower the minimum version if you find an earlier one works
+ntp_pkgconfig_min_version='0.15.0'
+AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+AS_UNSET([ac_cv_path_PKG_CONFIG])
+AS_UNSET([ac_cv_path_ac_pt_PKG_CONFIG])
+
+case "$PKG_CONFIG" in
+ /*)
+    AC_MSG_CHECKING([if pkg-config is at least version $ntp_pkgconfig_min_version])
+    if $PKG_CONFIG --atleast-pkgconfig-version $ntp_pkgconfig_min_version; then
+	AC_MSG_RESULT([yes])
+    else
+	AC_MSG_RESULT([no])
+	PKG_CONFIG=""
+    fi
+    ;;
+esac
+
+]) dnl NTP_PKG_CONFIG
+
diff --git a/make-event-config.sed b/make-event-config.sed
index b343e3b..e31018a 100644
--- a/make-event-config.sed
+++ b/make-event-config.sed
@@ -11,13 +11,13 @@
  * Do not rely on macros in this file existing in later versions.\
  */\
 \
-#ifndef _EVENT2_EVENT_CONFIG_H_\
-#define _EVENT2_EVENT_CONFIG_H_\
+#ifndef EVENT2_EVENT_CONFIG_H_INCLUDED_\
+#define EVENT2_EVENT_CONFIG_H_INCLUDED_\
 
 $a\
 \
 #endif /* event2/event-config.h */
 
-s/#define /#define _EVENT_/
-s/#undef /#undef _EVENT_/
-s/#ifndef /#ifndef _EVENT_/
+s/#\( *\)define /#\1define EVENT__/
+s/#\( *\)undef /#\1undef EVENT__/
+s/#\( *\)if\(n*\)def /#\1if\2def EVENT__/
diff --git a/minheap-internal.h b/minheap-internal.h
index 6d8e80a..b3b6f1f 100644
--- a/minheap-internal.h
+++ b/minheap-internal.h
@@ -25,10 +25,11 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _MIN_HEAP_H_
-#define _MIN_HEAP_H_
+#ifndef MINHEAP_INTERNAL_H_INCLUDED_
+#define MINHEAP_INTERNAL_H_INCLUDED_
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 #include "event2/event.h"
 #include "event2/event_struct.h"
 #include "event2/util.h"
@@ -41,42 +42,41 @@
 	unsigned n, a;
 } min_heap_t;
 
-static inline void	     min_heap_ctor(min_heap_t* s);
-static inline void	     min_heap_dtor(min_heap_t* s);
-static inline void	     min_heap_elem_init(struct event* e);
-static inline int	     min_heap_elt_is_top(const struct event *e);
-static inline int	     min_heap_elem_greater(struct event *a, struct event *b);
-static inline int	     min_heap_empty(min_heap_t* s);
-static inline unsigned	     min_heap_size(min_heap_t* s);
-static inline struct event*  min_heap_top(min_heap_t* s);
-static inline int	     min_heap_reserve(min_heap_t* s, unsigned n);
-static inline int	     min_heap_push(min_heap_t* s, struct event* e);
-static inline struct event*  min_heap_pop(min_heap_t* s);
-static inline int	     min_heap_erase(min_heap_t* s, struct event* e);
+static inline void	     min_heap_ctor_(min_heap_t* s);
+static inline void	     min_heap_dtor_(min_heap_t* s);
+static inline void	     min_heap_elem_init_(struct event* e);
+static inline int	     min_heap_elt_is_top_(const struct event *e);
+static inline int	     min_heap_empty_(min_heap_t* s);
+static inline unsigned	     min_heap_size_(min_heap_t* s);
+static inline struct event*  min_heap_top_(min_heap_t* s);
+static inline int	     min_heap_reserve_(min_heap_t* s, unsigned n);
+static inline int	     min_heap_push_(min_heap_t* s, struct event* e);
+static inline struct event*  min_heap_pop_(min_heap_t* s);
+static inline int	     min_heap_adjust_(min_heap_t *s, struct event* e);
+static inline int	     min_heap_erase_(min_heap_t* s, struct event* e);
 static inline void	     min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e);
+static inline void	     min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e);
 static inline void	     min_heap_shift_down_(min_heap_t* s, unsigned hole_index, struct event* e);
 
-int min_heap_elem_greater(struct event *a, struct event *b)
-{
-	return evutil_timercmp(&a->ev_timeout, &b->ev_timeout, >);
-}
+#define min_heap_elem_greater(a, b) \
+	(evutil_timercmp(&(a)->ev_timeout, &(b)->ev_timeout, >))
 
-void min_heap_ctor(min_heap_t* s) { s->p = 0; s->n = 0; s->a = 0; }
-void min_heap_dtor(min_heap_t* s) { if (s->p) mm_free(s->p); }
-void min_heap_elem_init(struct event* e) { e->ev_timeout_pos.min_heap_idx = -1; }
-int min_heap_empty(min_heap_t* s) { return 0u == s->n; }
-unsigned min_heap_size(min_heap_t* s) { return s->n; }
-struct event* min_heap_top(min_heap_t* s) { return s->n ? *s->p : 0; }
+void min_heap_ctor_(min_heap_t* s) { s->p = 0; s->n = 0; s->a = 0; }
+void min_heap_dtor_(min_heap_t* s) { if (s->p) mm_free(s->p); }
+void min_heap_elem_init_(struct event* e) { e->ev_timeout_pos.min_heap_idx = -1; }
+int min_heap_empty_(min_heap_t* s) { return 0u == s->n; }
+unsigned min_heap_size_(min_heap_t* s) { return s->n; }
+struct event* min_heap_top_(min_heap_t* s) { return s->n ? *s->p : 0; }
 
-int min_heap_push(min_heap_t* s, struct event* e)
+int min_heap_push_(min_heap_t* s, struct event* e)
 {
-	if (min_heap_reserve(s, s->n + 1))
+	if (min_heap_reserve_(s, s->n + 1))
 		return -1;
 	min_heap_shift_up_(s, s->n++, e);
 	return 0;
 }
 
-struct event* min_heap_pop(min_heap_t* s)
+struct event* min_heap_pop_(min_heap_t* s)
 {
 	if (s->n)
 	{
@@ -88,12 +88,12 @@
 	return 0;
 }
 
-int min_heap_elt_is_top(const struct event *e)
+int min_heap_elt_is_top_(const struct event *e)
 {
 	return e->ev_timeout_pos.min_heap_idx == 0;
 }
 
-int min_heap_erase(min_heap_t* s, struct event* e)
+int min_heap_erase_(min_heap_t* s, struct event* e)
 {
 	if (-1 != e->ev_timeout_pos.min_heap_idx)
 	{
@@ -105,7 +105,7 @@
 		   to be less than the parent, it can't need to shift both up and
 		   down. */
 		if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], last))
-			min_heap_shift_up_(s, e->ev_timeout_pos.min_heap_idx, last);
+			min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, last);
 		else
 			min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, last);
 		e->ev_timeout_pos.min_heap_idx = -1;
@@ -114,7 +114,23 @@
 	return -1;
 }
 
-int min_heap_reserve(min_heap_t* s, unsigned n)
+int min_heap_adjust_(min_heap_t *s, struct event *e)
+{
+	if (-1 == e->ev_timeout_pos.min_heap_idx) {
+		return min_heap_push_(s, e);
+	} else {
+		unsigned parent = (e->ev_timeout_pos.min_heap_idx - 1) / 2;
+		/* The position of e has changed; we shift it up or down
+		 * as needed.  We can't need to do both. */
+		if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], e))
+			min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, e);
+		else
+			min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, e);
+		return 0;
+	}
+}
+
+int min_heap_reserve_(min_heap_t* s, unsigned n)
 {
 	if (s->a < n)
 	{
@@ -130,6 +146,18 @@
 	return 0;
 }
 
+void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e)
+{
+    unsigned parent = (hole_index - 1) / 2;
+    do
+    {
+	(s->p[hole_index] = s->p[parent])->ev_timeout_pos.min_heap_idx = hole_index;
+	hole_index = parent;
+	parent = (hole_index - 1) / 2;
+    } while (hole_index && min_heap_elem_greater(s->p[parent], e));
+    (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index;
+}
+
 void min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e)
 {
     unsigned parent = (hole_index - 1) / 2;
@@ -157,4 +185,4 @@
     (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index;
 }
 
-#endif /* _MIN_HEAP_H_ */
+#endif /* MINHEAP_INTERNAL_H_INCLUDED_ */
diff --git a/missing b/missing
index 9a55648..f62bbae 100755
--- a/missing
+++ b/missing
@@ -1,10 +1,10 @@
 #! /bin/sh
-# Common stub for a few missing GNU programs while installing.
+# Common wrapper for a few potentially missing GNU programs.
 
-scriptversion=2012-01-06.18; # UTC
+scriptversion=2013-10-28.13; # UTC
 
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -29,61 +29,33 @@
   exit 1
 fi
 
-run=:
-sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
-sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
-
-# In the cases where this matters, 'missing' is being run in the
-# srcdir already.
-if test -f configure.ac; then
-  configure_ac=configure.ac
-else
-  configure_ac=configure.in
-fi
-
-msg="missing on your system"
-
 case $1 in
---run)
-  # Try to run requested program, and just exit if it succeeds.
-  run=
-  shift
-  "$@" && exit 0
-  # Exit code 63 means version mismatch.  This often happens
-  # when the user try to use an ancient version of a tool on
-  # a file that requires a minimum version.  In this case we
-  # we should proceed has if the program had been absent, or
-  # if --run hadn't been passed.
-  if test $? = 63; then
-    run=:
-    msg="probably too old"
-  fi
-  ;;
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
 
   -h|--h|--he|--hel|--help)
     echo "\
 $0 [OPTION]... PROGRAM [ARGUMENT]...
 
-Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
-error status if there is no known handling for PROGRAM.
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
 
 Options:
   -h, --help      display this help and exit
   -v, --version   output version information and exit
-  --run           try to run the given command, and emulate it if it fails
 
 Supported PROGRAM values:
-  aclocal      touch file 'aclocal.m4'
-  autoconf     touch file 'configure'
-  autoheader   touch file 'config.h.in'
-  autom4te     touch the output file, or create a stub one
-  automake     touch all 'Makefile.in' files
-  bison        create 'y.tab.[ch]', if possible, from existing .[ch]
-  flex         create 'lex.yy.c', if possible, from existing .c
-  help2man     touch the output file
-  lex          create 'lex.yy.c', if possible, from existing .c
-  makeinfo     touch the output file
-  yacc         create 'y.tab.[ch]', if possible, from existing .[ch]
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
 
 Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
 'g' are ignored when checking the name.
@@ -98,228 +70,141 @@
     ;;
 
   -*)
-    echo 1>&2 "$0: Unknown '$1' option"
+    echo 1>&2 "$0: unknown '$1' option"
     echo 1>&2 "Try '$0 --help' for more information"
     exit 1
     ;;
 
 esac
 
-# normalize program name to check for.
-program=`echo "$1" | sed '
-  s/^gnu-//; t
-  s/^gnu//; t
-  s/^g//; t'`
+# Run the given program, remember its exit status.
+"$@"; st=$?
 
-# Now exit if we have it, but it failed.  Also exit now if we
-# don't have it and --version was passed (most likely to detect
-# the program).  This is about non-GNU programs, so use $1 not
-# $program.
-case $1 in
-  lex*|yacc*)
-    # Not GNU programs, they don't have --version.
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'autom4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
     ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
 
-  *)
-    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
-       # We have it, but it failed.
-       exit 1
-    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
-       # Could not run --version or --help.  This is probably someone
-       # running '$TOOL --version' or '$TOOL --help' to check whether
-       # $TOOL exists and not knowing $TOOL uses missing.
-       exit 1
-    fi
-    ;;
-esac
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
 
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case $program in
-  aclocal*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified 'acinclude.m4' or '${configure_ac}'.  You might want
-         to install the Automake and Perl packages.  Grab them from
-         any GNU archive site."
-    touch aclocal.m4
-    ;;
-
-  autoconf*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified '${configure_ac}'.  You might want to install the
-         Autoconf and GNU m4 packages.  Grab them from any GNU
-         archive site."
-    touch configure
-    ;;
-
-  autoheader*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified 'acconfig.h' or '${configure_ac}'.  You might want
-         to install the Autoconf and GNU m4 packages.  Grab them
-         from any GNU archive site."
-    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
-    test -z "$files" && files="config.h"
-    touch_files=
-    for f in $files; do
-      case $f in
-      *:*) touch_files="$touch_files "`echo "$f" |
-				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
-      *) touch_files="$touch_files $f.in";;
-      esac
-    done
-    touch $touch_files
-    ;;
-
-  automake*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
-         You might want to install the Automake and Perl packages.
-         Grab them from any GNU archive site."
-    find . -type f -name Makefile.am -print |
-	   sed 's/\.am$/.in/' |
-	   while read f; do touch "$f"; done
-    ;;
-
-  autom4te*)
-    echo 1>&2 "\
-WARNING: '$1' is needed, but is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.
-         You can get '$1' as part of Autoconf from any GNU
-         archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo "#! /bin/sh"
-	echo "# Created by GNU Automake missing as a replacement of"
-	echo "#  $ $@"
-	echo "exit 0"
-	chmod +x $file
-	exit 1
-    fi
-    ;;
-
-  bison*|yacc*)
-    echo 1>&2 "\
-WARNING: '$1' $msg.  You should only need it if
-         you modified a '.y' file.  You may need the Bison package
-         in order for those modifications to take effect.  You can get
-         Bison from any GNU archive site."
-    rm -f y.tab.c y.tab.h
-    if test $# -ne 1; then
-        eval LASTARG=\${$#}
-	case $LASTARG in
-	*.y)
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.c
-	    fi
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" y.tab.h
-	    fi
-	  ;;
-	esac
-    fi
-    if test ! -f y.tab.h; then
-	echo >y.tab.h
-    fi
-    if test ! -f y.tab.c; then
-	echo 'main() { return 0; }' >y.tab.c
-    fi
-    ;;
-
-  lex*|flex*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified a '.l' file.  You may need the Flex package
-         in order for those modifications to take effect.  You can get
-         Flex from any GNU archive site."
-    rm -f lex.yy.c
-    if test $# -ne 1; then
-        eval LASTARG=\${$#}
-	case $LASTARG in
-	*.l)
-	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-	    if test -f "$SRCFILE"; then
-	         cp "$SRCFILE" lex.yy.c
-	    fi
-	  ;;
-	esac
-    fi
-    if test ! -f lex.yy.c; then
-	echo 'main() { return 0; }' >lex.yy.c
-    fi
-    ;;
-
-  help2man*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-	 you modified a dependency of a manual page.  You may need the
-	 Help2man package in order for those modifications to take
-	 effect.  You can get Help2man from any GNU archive site."
-
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -f "$file"; then
-	touch $file
-    else
-	test -z "$file" || exec >$file
-	echo ".ab help2man is required to generate this page"
-	exit $?
-    fi
-    ;;
-
-  makeinfo*)
-    echo 1>&2 "\
-WARNING: '$1' is $msg.  You should only need it if
-         you modified a '.texi' or '.texinfo' file, or any other file
-         indirectly affecting the aspect of the manual.  The spurious
-         call might also be the consequence of using a buggy 'make' (AIX,
-         DU, IRIX).  You might want to install the Texinfo package or
-         the GNU make package.  Grab either from any GNU archive site."
-    # The file to touch is that specified with -o ...
-    file=`echo "$*" | sed -n "$sed_output"`
-    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
-    if test -z "$file"; then
-      # ... or it is the one specified with @setfilename ...
-      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '
-	/^@setfilename/{
-	  s/.* \([^ ]*\) *$/\1/
-	  p
-	  q
-	}' $infile`
-      # ... or it is derived from the source name (dir/f.texi becomes f.info)
-      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
-    fi
-    # If the file does not exist, the user really needs makeinfo;
-    # let's fail without touching anything.
-    test -f $file || exit 1
-    touch $file
-    ;;
-
-  *)
-    echo 1>&2 "\
-WARNING: '$1' is needed, and is $msg.
-         You might have modified some files without having the
-         proper tools for further handling them.  Check the 'README' file,
-         it often tells you about the needed prerequisites for installing
-         this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing '$1' program."
-    exit 1
-    ;;
-esac
-
-exit 0
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
diff --git a/mm-internal.h b/mm-internal.h
index b375155..4ba6fce 100644
--- a/mm-internal.h
+++ b/mm-internal.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT_MM_INTERNAL_H
-#define _EVENT_MM_INTERNAL_H
+#ifndef MM_INTERNAL_H_INCLUDED_
+#define MM_INTERNAL_H_INCLUDED_
 
 #include <sys/types.h>
 
@@ -32,13 +32,39 @@
 extern "C" {
 #endif
 
-#ifndef _EVENT_DISABLE_MM_REPLACEMENT
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
 /* Internal use only: Memory allocation functions. We give them nice short
  * mm_names for our own use, but make sure that the symbols have longer names
  * so they don't conflict with other libraries (like, say, libmm). */
+
+/** Allocate uninitialized memory.
+ *
+ * @return On success, return a pointer to sz newly allocated bytes.
+ *     On failure, set errno to ENOMEM and return NULL.
+ *     If the argument sz is 0, simply return NULL.
+ */
 void *event_mm_malloc_(size_t sz);
+
+/** Allocate memory initialized to zero.
+ *
+ * @return On success, return a pointer to (count * size) newly allocated
+ *     bytes, initialized to zero.
+ *     On failure, or if the product would result in an integer overflow,
+ *     set errno to ENOMEM and return NULL.
+ *     If either arguments are 0, simply return NULL.
+ */
 void *event_mm_calloc_(size_t count, size_t size);
-char *event_mm_strdup_(const char *s);
+
+/** Duplicate a string.
+ *
+ * @return On success, return a pointer to a newly allocated duplicate
+ *     of a string.
+ *     Set errno to ENOMEM and return NULL if a memory allocation error
+ *     occurs (or would occur) in the process.
+ *     If the argument str is NULL, set errno to EINVAL and return NULL.
+ */
+char *event_mm_strdup_(const char *str);
+
 void *event_mm_realloc_(void *p, size_t sz);
 void event_mm_free_(void *p);
 #define mm_malloc(sz) event_mm_malloc_(sz)
diff --git a/openssl-compat.h b/openssl-compat.h
new file mode 100644
index 0000000..69afc71
--- /dev/null
+++ b/openssl-compat.h
@@ -0,0 +1,35 @@
+#ifndef OPENSSL_COMPAT_H
+#define OPENSSL_COMPAT_H
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+static inline BIO_METHOD *BIO_meth_new(int type, const char *name)
+{
+	BIO_METHOD *biom = calloc(1, sizeof(BIO_METHOD));
+
+	if (biom != NULL) {
+		biom->type = type;
+		biom->name = name;
+	}
+	return biom;
+}
+
+#define BIO_meth_set_write(b, f) (b)->bwrite = (f)
+#define BIO_meth_set_read(b, f) (b)->bread = (f)
+#define BIO_meth_set_puts(b, f) (b)->bputs = (f)
+#define BIO_meth_set_ctrl(b, f) (b)->ctrl = (f)
+#define BIO_meth_set_create(b, f) (b)->create = (f)
+#define BIO_meth_set_destroy(b, f) (b)->destroy = (f)
+
+#define BIO_set_init(b, val) (b)->init = (val)
+#define BIO_set_data(b, val) (b)->ptr = (val)
+#define BIO_set_shutdown(b, val) (b)->shutdown = (val)
+#define BIO_get_init(b) (b)->init
+#define BIO_get_data(b) (b)->ptr
+#define BIO_get_shutdown(b) (b)->shutdown
+
+#define TLS_method SSLv23_method
+
+#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
+
+#endif /* OPENSSL_COMPAT_H */
diff --git a/poll.c b/poll.c
index 04d311b..fe44071 100644
--- a/poll.c
+++ b/poll.c
@@ -27,9 +27,12 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_POLL
 
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
@@ -48,6 +51,7 @@
 #include "evmap-internal.h"
 #include "event2/thread.h"
 #include "evthread-internal.h"
+#include "time-internal.h"
 
 struct pollidx {
 	int idxplus1;
@@ -63,8 +67,8 @@
 };
 
 static void *poll_init(struct event_base *);
-static int poll_add(struct event_base *, int, short old, short events, void *_idx);
-static int poll_del(struct event_base *, int, short old, short events, void *_idx);
+static int poll_add(struct event_base *, int, short old, short events, void *idx);
+static int poll_del(struct event_base *, int, short old, short events, void *idx);
 static int poll_dispatch(struct event_base *, struct timeval *);
 static void poll_dealloc(struct event_base *);
 
@@ -88,7 +92,9 @@
 	if (!(pollop = mm_calloc(1, sizeof(struct pollop))))
 		return (NULL);
 
-	evsig_init(base);
+	evsig_init_(base);
+
+	evutil_weakrand_seed_(&base->weakrand_seed, 0);
 
 	return (pollop);
 }
@@ -127,7 +133,7 @@
 
 	nfds = pop->nfds;
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 	if (base->th_base_lock) {
 		/* If we're using this backend in a multithreaded setting,
 		 * then we need to work on a copy of event_set, so that we can
@@ -155,7 +161,7 @@
 #endif
 
 	if (tv != NULL) {
-		msec = evutil_tv_to_msec(tv);
+		msec = evutil_tv_to_msec_(tv);
 		if (msec < 0 || msec > INT_MAX)
 			msec = INT_MAX;
 	}
@@ -180,7 +186,7 @@
 	if (res == 0 || nfds == 0)
 		return (0);
 
-	i = random() % nfds;
+	i = evutil_weakrand_range_(&base->weakrand_seed, nfds);
 	for (j = 0; j < nfds; j++) {
 		int what;
 		if (++i == nfds)
@@ -192,7 +198,7 @@
 		res = 0;
 
 		/* If the file gets closed notify */
-		if (what & (POLLHUP|POLLERR))
+		if (what & (POLLHUP|POLLERR|POLLNVAL))
 			what |= POLLIN|POLLOUT;
 		if (what & POLLIN)
 			res |= EV_READ;
@@ -201,18 +207,18 @@
 		if (res == 0)
 			continue;
 
-		evmap_io_active(base, event_set[i].fd, res);
+		evmap_io_active_(base, event_set[i].fd, res);
 	}
 
 	return (0);
 }
 
 static int
-poll_add(struct event_base *base, int fd, short old, short events, void *_idx)
+poll_add(struct event_base *base, int fd, short old, short events, void *idx_)
 {
 	struct pollop *pop = base->evbase;
 	struct pollfd *pfd = NULL;
-	struct pollidx *idx = _idx;
+	struct pollidx *idx = idx_;
 	int i;
 
 	EVUTIL_ASSERT((events & EV_SIGNAL) == 0);
@@ -269,11 +275,11 @@
  */
 
 static int
-poll_del(struct event_base *base, int fd, short old, short events, void *_idx)
+poll_del(struct event_base *base, int fd, short old, short events, void *idx_)
 {
 	struct pollop *pop = base->evbase;
 	struct pollfd *pfd = NULL;
-	struct pollidx *idx = _idx;
+	struct pollidx *idx = idx_;
 	int i;
 
 	EVUTIL_ASSERT((events & EV_SIGNAL) == 0);
@@ -307,7 +313,7 @@
 		 */
 		memcpy(&pop->event_set[i], &pop->event_set[pop->nfds],
 		       sizeof(struct pollfd));
-		idx = evmap_io_get_fdinfo(&base->io, pop->event_set[i].fd);
+		idx = evmap_io_get_fdinfo_(&base->io, pop->event_set[i].fd);
 		EVUTIL_ASSERT(idx);
 		EVUTIL_ASSERT(idx->idxplus1 == pop->nfds + 1);
 		idx->idxplus1 = i + 1;
@@ -322,7 +328,7 @@
 {
 	struct pollop *pop = base->evbase;
 
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 	if (pop->event_set)
 		mm_free(pop->event_set);
 	if (pop->event_set_copy)
@@ -331,3 +337,5 @@
 	memset(pop, 0, sizeof(struct pollop));
 	mm_free(pop);
 }
+
+#endif /* EVENT__HAVE_POLL */
diff --git a/ratelim-internal.h b/ratelim-internal.h
index 4e3f8c4..6cc1cdd 100644
--- a/ratelim-internal.h
+++ b/ratelim-internal.h
@@ -23,8 +23,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _RATELIM_INTERNAL_H_
-#define _RATELIM_INTERNAL_H_
+#ifndef RATELIM_INTERNAL_H_INCLUDED_
+#define RATELIM_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
@@ -65,13 +65,13 @@
 
 /** The current tick is 'current_tick': add bytes to 'bucket' as specified in
  * 'cfg'. */
-int ev_token_bucket_update(struct ev_token_bucket *bucket,
+int ev_token_bucket_update_(struct ev_token_bucket *bucket,
     const struct ev_token_bucket_cfg *cfg,
     ev_uint32_t current_tick);
 
 /** In which tick does 'tv' fall according to 'cfg'?  Note that ticks can
  * overflow easily; your code needs to handle this. */
-ev_uint32_t ev_token_bucket_get_tick(const struct timeval *tv,
+ev_uint32_t ev_token_bucket_get_tick_(const struct timeval *tv,
     const struct ev_token_bucket_cfg *cfg);
 
 /** Adjust 'bucket' to respect 'cfg', and note that it was last updated in
@@ -79,12 +79,12 @@
  * configuration of 'bucket'; otherwise, we are setting it up for the first
  * time.
  */
-int ev_token_bucket_init(struct ev_token_bucket *bucket,
+int ev_token_bucket_init_(struct ev_token_bucket *bucket,
     const struct ev_token_bucket_cfg *cfg,
     ev_uint32_t current_tick,
     int reinitialize);
 
-int bufferevent_remove_from_rate_limit_group_internal(struct bufferevent *bev,
+int bufferevent_remove_from_rate_limit_group_internal_(struct bufferevent *bev,
     int unsuspend);
 
 /** Decrease the read limit of 'b' by 'n' bytes */
diff --git a/sample/dns-example.c b/sample/dns-example.c
new file mode 100644
index 0000000..fb70566
--- /dev/null
+++ b/sample/dns-example.c
@@ -0,0 +1,257 @@
+/*
+  This example code shows how to use the high-level, low-level, and
+  server-level interfaces of evdns.
+
+  XXX It's pretty ugly and should probably be cleaned up.
+ */
+
+#include <event2/event-config.h>
+
+/* Compatibility for possible missing IPv6 declarations */
+#include "../ipv6-internal.h"
+
+#include <sys/types.h>
+
+#ifdef EVENT__HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <getopt.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+
+#include <event2/event.h>
+#include <event2/dns.h>
+#include <event2/dns_struct.h>
+#include <event2/util.h>
+
+#ifdef EVENT__HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define u32 ev_uint32_t
+#define u8 ev_uint8_t
+
+static const char *
+debug_ntoa(u32 address)
+{
+	static char buf[32];
+	u32 a = ntohl(address);
+	evutil_snprintf(buf, sizeof(buf), "%d.%d.%d.%d",
+					(int)(u8)((a>>24)&0xff),
+					(int)(u8)((a>>16)&0xff),
+					(int)(u8)((a>>8 )&0xff),
+					(int)(u8)((a	)&0xff));
+	return buf;
+}
+
+static void
+main_callback(int result, char type, int count, int ttl,
+			  void *addrs, void *orig) {
+	char *n = (char*)orig;
+	int i;
+	for (i = 0; i < count; ++i) {
+		if (type == DNS_IPv4_A) {
+			printf("%s: %s\n", n, debug_ntoa(((u32*)addrs)[i]));
+		} else if (type == DNS_PTR) {
+			printf("%s: %s\n", n, ((char**)addrs)[i]);
+		}
+	}
+	if (!count) {
+		printf("%s: No answer (%d)\n", n, result);
+	}
+	fflush(stdout);
+}
+
+static void
+gai_callback(int err, struct evutil_addrinfo *ai, void *arg)
+{
+	const char *name = arg;
+	int i;
+	if (err) {
+		printf("%s: %s\n", name, evutil_gai_strerror(err));
+	}
+	if (ai && ai->ai_canonname)
+		printf("    %s ==> %s\n", name, ai->ai_canonname);
+	for (i=0; ai; ai = ai->ai_next, ++i) {
+		char buf[128];
+		if (ai->ai_family == PF_INET) {
+			struct sockaddr_in *sin =
+			    (struct sockaddr_in*)ai->ai_addr;
+			evutil_inet_ntop(AF_INET, &sin->sin_addr, buf,
+			    sizeof(buf));
+			printf("[%d] %s: %s\n",i,name,buf);
+		} else {
+			struct sockaddr_in6 *sin6 =
+			    (struct sockaddr_in6*)ai->ai_addr;
+			evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
+			    sizeof(buf));
+			printf("[%d] %s: %s\n",i,name,buf);
+		}
+	}
+}
+
+static void
+evdns_server_callback(struct evdns_server_request *req, void *data)
+{
+	int i, r;
+	(void)data;
+	/* dummy; give 192.168.11.11 as an answer for all A questions,
+	 *	give foo.bar.example.com as an answer for all PTR questions. */
+	for (i = 0; i < req->nquestions; ++i) {
+		u32 ans = htonl(0xc0a80b0bUL);
+		if (req->questions[i]->type == EVDNS_TYPE_A &&
+		    req->questions[i]->dns_question_class == EVDNS_CLASS_INET) {
+			printf(" -- replying for %s (A)\n", req->questions[i]->name);
+			r = evdns_server_request_add_a_reply(req, req->questions[i]->name,
+										  1, &ans, 10);
+			if (r<0)
+				printf("eeep, didn't work.\n");
+		} else if (req->questions[i]->type == EVDNS_TYPE_PTR &&
+		    req->questions[i]->dns_question_class == EVDNS_CLASS_INET) {
+			printf(" -- replying for %s (PTR)\n", req->questions[i]->name);
+			r = evdns_server_request_add_ptr_reply(req, NULL, req->questions[i]->name,
+											"foo.bar.example.com", 10);
+			if (r<0)
+				printf("ugh, no luck");
+		} else {
+			printf(" -- skipping %s [%d %d]\n", req->questions[i]->name,
+				   req->questions[i]->type, req->questions[i]->dns_question_class);
+		}
+	}
+
+	r = evdns_server_request_respond(req, 0);
+	if (r<0)
+		printf("eeek, couldn't send reply.\n");
+}
+
+static int verbose = 0;
+
+static void
+logfn(int is_warn, const char *msg) {
+	if (!is_warn && !verbose)
+		return;
+	fprintf(stderr, "%s: %s\n", is_warn?"WARN":"INFO", msg);
+}
+
+int
+main(int c, char **v) {
+	struct options {
+		int reverse;
+		int use_getaddrinfo;
+		int servertest;
+		const char *resolv_conf;
+		const char *ns;
+	};
+	struct options o;
+	char opt;
+	struct event_base *event_base = NULL;
+	struct evdns_base *evdns_base = NULL;
+
+	memset(&o, 0, sizeof(o));
+	
+	if (c < 2) {
+		fprintf(stderr, "syntax: %s [-x] [-v] [-c resolv.conf] [-s ns] hostname\n", v[0]);
+		fprintf(stderr, "syntax: %s [-T]\n", v[0]);
+		return 1;
+	}
+
+	while ((opt = getopt(c, v, "xvc:Ts:")) != -1) {
+		switch (opt) {
+			case 'x': o.reverse = 1; break;
+			case 'v': ++verbose; break;
+			case 'g': o.use_getaddrinfo = 1; break;
+			case 'T': o.servertest = 1; break;
+			case 'c': o.resolv_conf = optarg; break;
+			case 's': o.ns = optarg; break;
+			default : fprintf(stderr, "Unknown option %c\n", opt); break;
+		}
+	}
+
+#ifdef _WIN32
+	{
+		WSADATA WSAData;
+		WSAStartup(0x101, &WSAData);
+	}
+#endif
+
+	event_base = event_base_new();
+	evdns_base = evdns_base_new(event_base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+	evdns_set_log_fn(logfn);
+
+	if (o.servertest) {
+		evutil_socket_t sock;
+		struct sockaddr_in my_addr;
+		sock = socket(PF_INET, SOCK_DGRAM, 0);
+		if (sock == -1) {
+			perror("socket");
+			exit(1);
+		}
+		evutil_make_socket_nonblocking(sock);
+		my_addr.sin_family = AF_INET;
+		my_addr.sin_port = htons(10053);
+		my_addr.sin_addr.s_addr = INADDR_ANY;
+		if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr))<0) {
+			perror("bind");
+			exit(1);
+		}
+		evdns_add_server_port_with_base(event_base, sock, 0, evdns_server_callback, NULL);
+	}
+	if (optind < c) {
+		int res;
+#ifdef _WIN32
+		if (o.resolv_conf == NULL && !o.ns)
+			res = evdns_base_config_windows_nameservers(evdns_base);
+		else
+#endif
+		if (o.ns)
+			res = evdns_base_nameserver_ip_add(evdns_base, o.ns);
+		else
+			res = evdns_base_resolv_conf_parse(evdns_base,
+			    DNS_OPTION_NAMESERVERS, o.resolv_conf);
+
+		if (res < 0) {
+			fprintf(stderr, "Couldn't configure nameservers");
+			return 1;
+		}
+	}
+
+	printf("EVUTIL_AI_CANONNAME in example = %d\n", EVUTIL_AI_CANONNAME);
+	for (; optind < c; ++optind) {
+		if (o.reverse) {
+			struct in_addr addr;
+			if (evutil_inet_pton(AF_INET, v[optind], &addr)!=1) {
+				fprintf(stderr, "Skipping non-IP %s\n", v[optind]);
+				continue;
+			}
+			fprintf(stderr, "resolving %s...\n",v[optind]);
+			evdns_base_resolve_reverse(evdns_base, &addr, 0, main_callback, v[optind]);
+		} else if (o.use_getaddrinfo) {
+			struct evutil_addrinfo hints;
+			memset(&hints, 0, sizeof(hints));
+			hints.ai_family = PF_UNSPEC;
+			hints.ai_protocol = IPPROTO_TCP;
+			hints.ai_flags = EVUTIL_AI_CANONNAME;
+			fprintf(stderr, "resolving (fwd) %s...\n",v[optind]);
+			evdns_getaddrinfo(evdns_base, v[optind], NULL, &hints,
+			    gai_callback, v[optind]);
+		} else {
+			fprintf(stderr, "resolving (fwd) %s...\n",v[optind]);
+			evdns_base_resolve_ipv4(evdns_base, v[optind], 0, main_callback, v[optind]);
+		}
+	}
+	fflush(stdout);
+	event_base_dispatch(event_base);
+	return 0;
+}
+
diff --git a/sample/event-read-fifo.c b/sample/event-read-fifo.c
new file mode 100644
index 0000000..27b0b53
--- /dev/null
+++ b/sample/event-read-fifo.c
@@ -0,0 +1,162 @@
+/*
+ * This sample code shows how to use Libevent to read from a named pipe.
+ * XXX This code could make better use of the Libevent interfaces.
+ *
+ * XXX This does not work on Windows; ignore everything inside the _WIN32 block.
+ *
+ * On UNIX, compile with:
+ * cc -I/usr/local/include -o event-read-fifo event-read-fifo.c \
+ *     -L/usr/local/lib -levent
+ */
+
+#include <event2/event-config.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifndef _WIN32
+#include <sys/queue.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <signal.h>
+#else
+#include <winsock2.h>
+#include <windows.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event2/event.h>
+
+static void
+fifo_read(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[255];
+	int len;
+	struct event *ev = arg;
+#ifdef _WIN32
+	DWORD dwBytesRead;
+#endif
+
+	fprintf(stderr, "fifo_read called with fd: %d, event: %d, arg: %p\n",
+	    (int)fd, event, arg);
+#ifdef _WIN32
+	len = ReadFile((HANDLE)fd, buf, sizeof(buf) - 1, &dwBytesRead, NULL);
+
+	/* Check for end of file. */
+	if (len && dwBytesRead == 0) {
+		fprintf(stderr, "End Of File");
+		event_del(ev);
+		return;
+	}
+
+	buf[dwBytesRead] = '\0';
+#else
+	len = read(fd, buf, sizeof(buf) - 1);
+
+	if (len <= 0) {
+		if (len == -1)
+			perror("read");
+		else if (len == 0)
+			fprintf(stderr, "Connection closed\n");
+		event_del(ev);
+		event_base_loopbreak(event_get_base(ev));
+		return;
+	}
+
+	buf[len] = '\0';
+#endif
+	fprintf(stdout, "Read: %s\n", buf);
+}
+
+/* On Unix, cleanup event.fifo if SIGINT is received. */
+#ifndef _WIN32
+static void
+signal_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event_base *base = arg;
+	event_base_loopbreak(base);
+}
+#endif
+
+int
+main(int argc, char **argv)
+{
+	struct event *evfifo;
+	struct event_base* base;
+#ifdef _WIN32
+	HANDLE socket;
+	/* Open a file. */
+	socket = CreateFileA("test.txt",	/* open File */
+			GENERIC_READ,		/* open for reading */
+			0,			/* do not share */
+			NULL,			/* no security */
+			OPEN_EXISTING,		/* existing file only */
+			FILE_ATTRIBUTE_NORMAL,	/* normal file */
+			NULL);			/* no attr. template */
+
+	if (socket == INVALID_HANDLE_VALUE)
+		return 1;
+
+#else
+	struct event *signal_int;
+	struct stat st;
+	const char *fifo = "event.fifo";
+	int socket;
+
+	if (lstat(fifo, &st) == 0) {
+		if ((st.st_mode & S_IFMT) == S_IFREG) {
+			errno = EEXIST;
+			perror("lstat");
+			exit(1);
+		}
+	}
+
+	unlink(fifo);
+	if (mkfifo(fifo, 0600) == -1) {
+		perror("mkfifo");
+		exit(1);
+	}
+
+	socket = open(fifo, O_RDONLY | O_NONBLOCK, 0);
+
+	if (socket == -1) {
+		perror("open");
+		exit(1);
+	}
+
+	fprintf(stderr, "Write data to %s\n", fifo);
+#endif
+	/* Initalize the event library */
+	base = event_base_new();
+
+	/* Initalize one event */
+#ifdef _WIN32
+	evfifo = event_new(base, (evutil_socket_t)socket, EV_READ|EV_PERSIST, fifo_read,
+                           event_self_cbarg());
+#else
+	/* catch SIGINT so that event.fifo can be cleaned up */
+	signal_int = evsignal_new(base, SIGINT, signal_cb, base);
+	event_add(signal_int, NULL);
+
+	evfifo = event_new(base, socket, EV_READ|EV_PERSIST, fifo_read,
+                           event_self_cbarg());
+#endif
+
+	/* Add it to the active events, without a timeout */
+	event_add(evfifo, NULL);
+
+	event_base_dispatch(base);
+	event_base_free(base);
+#ifdef _WIN32
+	CloseHandle(socket);
+#else
+	close(socket);
+	unlink(fifo);
+#endif
+	libevent_global_shutdown();
+	return (0);
+}
+
diff --git a/sample/hello-world.c b/sample/hello-world.c
new file mode 100644
index 0000000..2023cd6
--- /dev/null
+++ b/sample/hello-world.c
@@ -0,0 +1,141 @@
+/*
+  This example program provides a trivial server program that listens for TCP
+  connections on port 9995.  When they arrive, it writes a short message to
+  each client connection, and closes each connection once it is flushed.
+
+  Where possible, it exits cleanly in response to a SIGINT (ctrl-c).
+*/
+
+
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <signal.h>
+#ifndef _WIN32
+#include <netinet/in.h>
+# ifdef _XOPEN_SOURCE_EXTENDED
+#  include <arpa/inet.h>
+# endif
+#include <sys/socket.h>
+#endif
+
+#include <event2/bufferevent.h>
+#include <event2/buffer.h>
+#include <event2/listener.h>
+#include <event2/util.h>
+#include <event2/event.h>
+
+static const char MESSAGE[] = "Hello, World!\n";
+
+static const int PORT = 9995;
+
+static void listener_cb(struct evconnlistener *, evutil_socket_t,
+    struct sockaddr *, int socklen, void *);
+static void conn_writecb(struct bufferevent *, void *);
+static void conn_eventcb(struct bufferevent *, short, void *);
+static void signal_cb(evutil_socket_t, short, void *);
+
+int
+main(int argc, char **argv)
+{
+	struct event_base *base;
+	struct evconnlistener *listener;
+	struct event *signal_event;
+
+	struct sockaddr_in sin;
+#ifdef _WIN32
+	WSADATA wsa_data;
+	WSAStartup(0x0201, &wsa_data);
+#endif
+
+	base = event_base_new();
+	if (!base) {
+		fprintf(stderr, "Could not initialize libevent!\n");
+		return 1;
+	}
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_port = htons(PORT);
+
+	listener = evconnlistener_new_bind(base, listener_cb, (void *)base,
+	    LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_FREE, -1,
+	    (struct sockaddr*)&sin,
+	    sizeof(sin));
+
+	if (!listener) {
+		fprintf(stderr, "Could not create a listener!\n");
+		return 1;
+	}
+
+	signal_event = evsignal_new(base, SIGINT, signal_cb, (void *)base);
+
+	if (!signal_event || event_add(signal_event, NULL)<0) {
+		fprintf(stderr, "Could not create/add a signal event!\n");
+		return 1;
+	}
+
+	event_base_dispatch(base);
+
+	evconnlistener_free(listener);
+	event_free(signal_event);
+	event_base_free(base);
+
+	printf("done\n");
+	return 0;
+}
+
+static void
+listener_cb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *sa, int socklen, void *user_data)
+{
+	struct event_base *base = user_data;
+	struct bufferevent *bev;
+
+	bev = bufferevent_socket_new(base, fd, BEV_OPT_CLOSE_ON_FREE);
+	if (!bev) {
+		fprintf(stderr, "Error constructing bufferevent!");
+		event_base_loopbreak(base);
+		return;
+	}
+	bufferevent_setcb(bev, NULL, conn_writecb, conn_eventcb, NULL);
+	bufferevent_enable(bev, EV_WRITE);
+	bufferevent_disable(bev, EV_READ);
+
+	bufferevent_write(bev, MESSAGE, strlen(MESSAGE));
+}
+
+static void
+conn_writecb(struct bufferevent *bev, void *user_data)
+{
+	struct evbuffer *output = bufferevent_get_output(bev);
+	if (evbuffer_get_length(output) == 0) {
+		printf("flushed answer\n");
+		bufferevent_free(bev);
+	}
+}
+
+static void
+conn_eventcb(struct bufferevent *bev, short events, void *user_data)
+{
+	if (events & BEV_EVENT_EOF) {
+		printf("Connection closed.\n");
+	} else if (events & BEV_EVENT_ERROR) {
+		printf("Got an error on the connection: %s\n",
+		    strerror(errno));/*XXX win32*/
+	}
+	/* None of the other events can happen here, since we haven't enabled
+	 * timeouts */
+	bufferevent_free(bev);
+}
+
+static void
+signal_cb(evutil_socket_t sig, short events, void *user_data)
+{
+	struct event_base *base = user_data;
+	struct timeval delay = { 2, 0 };
+
+	printf("Caught an interrupt signal; exiting cleanly in two seconds.\n");
+
+	event_base_loopexit(base, &delay);
+}
diff --git a/sample/hostcheck.c b/sample/hostcheck.c
new file mode 100644
index 0000000..5070936
--- /dev/null
+++ b/sample/hostcheck.c
@@ -0,0 +1,217 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* This file is an amalgamation of hostcheck.c and most of rawstr.c
+   from cURL.  The contents of the COPYING file mentioned above are:
+
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright (c) 1996 - 2013, Daniel Stenberg, <daniel@haxx.se>.
+
+All rights reserved.
+
+Permission to use, copy, modify, and distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright
+notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall not
+be used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization of the copyright holder.
+*/
+
+#include "hostcheck.h"
+#include <string.h>
+
+/* Portable, consistent toupper (remember EBCDIC). Do not use toupper() because
+   its behavior is altered by the current locale. */
+static char Curl_raw_toupper(char in)
+{
+  switch (in) {
+  case 'a':
+    return 'A';
+  case 'b':
+    return 'B';
+  case 'c':
+    return 'C';
+  case 'd':
+    return 'D';
+  case 'e':
+    return 'E';
+  case 'f':
+    return 'F';
+  case 'g':
+    return 'G';
+  case 'h':
+    return 'H';
+  case 'i':
+    return 'I';
+  case 'j':
+    return 'J';
+  case 'k':
+    return 'K';
+  case 'l':
+    return 'L';
+  case 'm':
+    return 'M';
+  case 'n':
+    return 'N';
+  case 'o':
+    return 'O';
+  case 'p':
+    return 'P';
+  case 'q':
+    return 'Q';
+  case 'r':
+    return 'R';
+  case 's':
+    return 'S';
+  case 't':
+    return 'T';
+  case 'u':
+    return 'U';
+  case 'v':
+    return 'V';
+  case 'w':
+    return 'W';
+  case 'x':
+    return 'X';
+  case 'y':
+    return 'Y';
+  case 'z':
+    return 'Z';
+  }
+  return in;
+}
+
+/*
+ * Curl_raw_equal() is for doing "raw" case insensitive strings. This is meant
+ * to be locale independent and only compare strings we know are safe for
+ * this.  See http://daniel.haxx.se/blog/2008/10/15/strcasecmp-in-turkish/ for
+ * some further explanation to why this function is necessary.
+ *
+ * The function is capable of comparing a-z case insensitively even for
+ * non-ascii.
+ */
+
+static int Curl_raw_equal(const char *first, const char *second)
+{
+  while(*first && *second) {
+    if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second))
+      /* get out of the loop as soon as they don't match */
+      break;
+    first++;
+    second++;
+  }
+  /* we do the comparison here (possibly again), just to make sure that if the
+     loop above is skipped because one of the strings reached zero, we must not
+     return this as a successful match */
+  return (Curl_raw_toupper(*first) == Curl_raw_toupper(*second));
+}
+
+static int Curl_raw_nequal(const char *first, const char *second, size_t max)
+{
+  while(*first && *second && max) {
+    if(Curl_raw_toupper(*first) != Curl_raw_toupper(*second)) {
+      break;
+    }
+    max--;
+    first++;
+    second++;
+  }
+  if(0 == max)
+    return 1; /* they are equal this far */
+
+  return Curl_raw_toupper(*first) == Curl_raw_toupper(*second);
+}
+
+/*
+ * Match a hostname against a wildcard pattern.
+ * E.g.
+ *  "foo.host.com" matches "*.host.com".
+ *
+ * We use the matching rule described in RFC6125, section 6.4.3.
+ * http://tools.ietf.org/html/rfc6125#section-6.4.3
+ */
+
+static int hostmatch(const char *hostname, const char *pattern)
+{
+  const char *pattern_label_end, *pattern_wildcard, *hostname_label_end;
+  int wildcard_enabled;
+  size_t prefixlen, suffixlen;
+  pattern_wildcard = strchr(pattern, '*');
+  if(pattern_wildcard == NULL)
+    return Curl_raw_equal(pattern, hostname) ?
+      CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+
+  /* We require at least 2 dots in pattern to avoid too wide wildcard
+     match. */
+  wildcard_enabled = 1;
+  pattern_label_end = strchr(pattern, '.');
+  if(pattern_label_end == NULL || strchr(pattern_label_end+1, '.') == NULL ||
+     pattern_wildcard > pattern_label_end ||
+     Curl_raw_nequal(pattern, "xn--", 4)) {
+    wildcard_enabled = 0;
+  }
+  if(!wildcard_enabled)
+    return Curl_raw_equal(pattern, hostname) ?
+      CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+
+  hostname_label_end = strchr(hostname, '.');
+  if(hostname_label_end == NULL ||
+     !Curl_raw_equal(pattern_label_end, hostname_label_end))
+    return CURL_HOST_NOMATCH;
+
+  /* The wildcard must match at least one character, so the left-most
+     label of the hostname is at least as large as the left-most label
+     of the pattern. */
+  if(hostname_label_end - hostname < pattern_label_end - pattern)
+    return CURL_HOST_NOMATCH;
+
+  prefixlen = pattern_wildcard - pattern;
+  suffixlen = pattern_label_end - (pattern_wildcard+1);
+  return Curl_raw_nequal(pattern, hostname, prefixlen) &&
+    Curl_raw_nequal(pattern_wildcard+1, hostname_label_end - suffixlen,
+                    suffixlen) ?
+    CURL_HOST_MATCH : CURL_HOST_NOMATCH;
+}
+
+int Curl_cert_hostcheck(const char *match_pattern, const char *hostname)
+{
+  if(!match_pattern || !*match_pattern ||
+      !hostname || !*hostname) /* sanity check */
+    return 0;
+
+  if(Curl_raw_equal(hostname, match_pattern)) /* trivial case */
+    return 1;
+
+  if(hostmatch(hostname,match_pattern) == CURL_HOST_MATCH)
+    return 1;
+  return 0;
+}
diff --git a/sample/hostcheck.h b/sample/hostcheck.h
new file mode 100644
index 0000000..f40bc43
--- /dev/null
+++ b/sample/hostcheck.h
@@ -0,0 +1,30 @@
+#ifndef HEADER_CURL_HOSTCHECK_H
+#define HEADER_CURL_HOSTCHECK_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#define CURL_HOST_NOMATCH 0
+#define CURL_HOST_MATCH   1
+int Curl_cert_hostcheck(const char *match_pattern, const char *hostname);
+
+#endif /* HEADER_CURL_HOSTCHECK_H */
+
diff --git a/sample/http-connect.c b/sample/http-connect.c
new file mode 100644
index 0000000..a44d001
--- /dev/null
+++ b/sample/http-connect.c
@@ -0,0 +1,117 @@
+#include "event2/event-config.h"
+
+#include <event2/event.h>
+#include <event2/http.h>
+#include <event2/http_struct.h>
+#include <event2/buffer.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+
+#define VERIFY(cond) do {                       \
+	if (!(cond)) {                              \
+		fprintf(stderr, "[error] %s\n", #cond); \
+	}                                           \
+} while (0);                                    \
+
+#define URL_MAX 4096
+
+struct connect_base
+{
+	struct evhttp_connection *evcon;
+	struct evhttp_uri *location;
+};
+
+static void get_cb(struct evhttp_request *req, void *arg)
+{
+	ev_ssize_t len;
+	struct evbuffer *evbuf;
+
+	VERIFY(req);
+
+	evbuf = evhttp_request_get_input_buffer(req);
+	len = evbuffer_get_length(evbuf);
+	fwrite(evbuffer_pullup(evbuf, len), len, 1, stdout);
+	evbuffer_drain(evbuf, len);
+}
+
+static void connect_cb(struct evhttp_request *proxy_req, void *arg)
+{
+	char buffer[URL_MAX];
+
+	struct connect_base *base = arg;
+	struct evhttp_connection *evcon = base->evcon;
+	struct evhttp_uri *location = base->location;
+
+	VERIFY(proxy_req);
+	if (evcon) {
+		struct evhttp_request *req = evhttp_request_new(get_cb, NULL);
+		evhttp_add_header(req->output_headers, "Connection", "close");
+		VERIFY(!evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+			evhttp_uri_join(location, buffer, URL_MAX)));
+	}
+}
+
+int main(int argc, const char **argv)
+{
+	char buffer[URL_MAX];
+
+	struct evhttp_uri *host_port;
+	struct evhttp_uri *location;
+	struct evhttp_uri *proxy;
+
+	struct event_base *base;
+	struct evhttp_connection *evcon;
+	struct evhttp_request *req;
+
+	struct connect_base connect_base;
+
+	if (argc != 3) {
+		printf("Usage: %s proxy url\n", argv[0]);
+		return 1;
+	}
+
+	{
+		proxy = evhttp_uri_parse(argv[1]);
+		VERIFY(evhttp_uri_get_host(proxy));
+		VERIFY(evhttp_uri_get_port(proxy) > 0);
+	}
+	{
+		host_port = evhttp_uri_parse(argv[2]);
+		evhttp_uri_set_scheme(host_port, NULL);
+		evhttp_uri_set_userinfo(host_port, NULL);
+		evhttp_uri_set_path(host_port, NULL);
+		evhttp_uri_set_query(host_port, NULL);
+		evhttp_uri_set_fragment(host_port, NULL);
+		VERIFY(evhttp_uri_get_host(host_port));
+		VERIFY(evhttp_uri_get_port(host_port) > 0);
+	}
+	{
+		location = evhttp_uri_parse(argv[2]);
+		evhttp_uri_set_scheme(location, NULL);
+		evhttp_uri_set_userinfo(location, 0);
+		evhttp_uri_set_host(location, NULL);
+		evhttp_uri_set_port(location, -1);
+	}
+
+	VERIFY(base = event_base_new());
+	VERIFY(evcon = evhttp_connection_base_new(base, NULL,
+		evhttp_uri_get_host(proxy), evhttp_uri_get_port(proxy)));
+	connect_base.evcon = evcon;
+	connect_base.location = location;
+	VERIFY(req = evhttp_request_new(connect_cb, &connect_base));
+
+	evhttp_add_header(req->output_headers, "Connection", "keep-alive");
+	evhttp_add_header(req->output_headers, "Proxy-Connection", "keep-alive");
+	evutil_snprintf(buffer, URL_MAX, "%s:%d",
+		evhttp_uri_get_host(host_port), evhttp_uri_get_port(host_port));
+	evhttp_make_request(evcon, req, EVHTTP_REQ_CONNECT, buffer);
+
+	event_base_dispatch(base);
+	evhttp_connection_free(evcon);
+	event_base_free(base);
+	evhttp_uri_free(proxy);
+	evhttp_uri_free(host_port);
+	evhttp_uri_free(location);
+	return 0;
+}
diff --git a/sample/http-server.c b/sample/http-server.c
new file mode 100644
index 0000000..579feea
--- /dev/null
+++ b/sample/http-server.c
@@ -0,0 +1,418 @@
+/*
+  A trivial static http webserver using Libevent's evhttp.
+
+  This is not the best code in the world, and it does some fairly stupid stuff
+  that you would never want to do in a production webserver. Caveat hackor!
+
+ */
+
+/* Compatibility for possible missing IPv6 declarations */
+#include "../util-internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+#include <io.h>
+#include <fcntl.h>
+#ifndef S_ISDIR
+#define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)
+#endif
+#else
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <dirent.h>
+#endif
+
+#include <event2/event.h>
+#include <event2/http.h>
+#include <event2/buffer.h>
+#include <event2/util.h>
+#include <event2/keyvalq_struct.h>
+
+#ifdef EVENT__HAVE_NETINET_IN_H
+#include <netinet/in.h>
+# ifdef _XOPEN_SOURCE_EXTENDED
+#  include <arpa/inet.h>
+# endif
+#endif
+
+#ifdef _WIN32
+#ifndef stat
+#define stat _stat
+#endif
+#ifndef fstat
+#define fstat _fstat
+#endif
+#ifndef open
+#define open _open
+#endif
+#ifndef close
+#define close _close
+#endif
+#ifndef O_RDONLY
+#define O_RDONLY _O_RDONLY
+#endif
+#endif
+
+char uri_root[512];
+
+static const struct table_entry {
+	const char *extension;
+	const char *content_type;
+} content_type_table[] = {
+	{ "txt", "text/plain" },
+	{ "c", "text/plain" },
+	{ "h", "text/plain" },
+	{ "html", "text/html" },
+	{ "htm", "text/htm" },
+	{ "css", "text/css" },
+	{ "gif", "image/gif" },
+	{ "jpg", "image/jpeg" },
+	{ "jpeg", "image/jpeg" },
+	{ "png", "image/png" },
+	{ "pdf", "application/pdf" },
+	{ "ps", "application/postscript" },
+	{ NULL, NULL },
+};
+
+/* Try to guess a good content-type for 'path' */
+static const char *
+guess_content_type(const char *path)
+{
+	const char *last_period, *extension;
+	const struct table_entry *ent;
+	last_period = strrchr(path, '.');
+	if (!last_period || strchr(last_period, '/'))
+		goto not_found; /* no exension */
+	extension = last_period + 1;
+	for (ent = &content_type_table[0]; ent->extension; ++ent) {
+		if (!evutil_ascii_strcasecmp(ent->extension, extension))
+			return ent->content_type;
+	}
+
+not_found:
+	return "application/misc";
+}
+
+/* Callback used for the /dump URI, and for every non-GET request:
+ * dumps all information to stdout and gives back a trivial 200 ok */
+static void
+dump_request_cb(struct evhttp_request *req, void *arg)
+{
+	const char *cmdtype;
+	struct evkeyvalq *headers;
+	struct evkeyval *header;
+	struct evbuffer *buf;
+
+	switch (evhttp_request_get_command(req)) {
+	case EVHTTP_REQ_GET: cmdtype = "GET"; break;
+	case EVHTTP_REQ_POST: cmdtype = "POST"; break;
+	case EVHTTP_REQ_HEAD: cmdtype = "HEAD"; break;
+	case EVHTTP_REQ_PUT: cmdtype = "PUT"; break;
+	case EVHTTP_REQ_DELETE: cmdtype = "DELETE"; break;
+	case EVHTTP_REQ_OPTIONS: cmdtype = "OPTIONS"; break;
+	case EVHTTP_REQ_TRACE: cmdtype = "TRACE"; break;
+	case EVHTTP_REQ_CONNECT: cmdtype = "CONNECT"; break;
+	case EVHTTP_REQ_PATCH: cmdtype = "PATCH"; break;
+	default: cmdtype = "unknown"; break;
+	}
+
+	printf("Received a %s request for %s\nHeaders:\n",
+	    cmdtype, evhttp_request_get_uri(req));
+
+	headers = evhttp_request_get_input_headers(req);
+	for (header = headers->tqh_first; header;
+	    header = header->next.tqe_next) {
+		printf("  %s: %s\n", header->key, header->value);
+	}
+
+	buf = evhttp_request_get_input_buffer(req);
+	puts("Input data: <<<");
+	while (evbuffer_get_length(buf)) {
+		int n;
+		char cbuf[128];
+		n = evbuffer_remove(buf, cbuf, sizeof(cbuf));
+		if (n > 0)
+			(void) fwrite(cbuf, 1, n, stdout);
+	}
+	puts(">>>");
+
+	evhttp_send_reply(req, 200, "OK", NULL);
+}
+
+/* This callback gets invoked when we get any http request that doesn't match
+ * any other callback.  Like any evhttp server callback, it has a simple job:
+ * it must eventually call evhttp_send_error() or evhttp_send_reply().
+ */
+static void
+send_document_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = NULL;
+	const char *docroot = arg;
+	const char *uri = evhttp_request_get_uri(req);
+	struct evhttp_uri *decoded = NULL;
+	const char *path;
+	char *decoded_path;
+	char *whole_path = NULL;
+	size_t len;
+	int fd = -1;
+	struct stat st;
+
+	if (evhttp_request_get_command(req) != EVHTTP_REQ_GET) {
+		dump_request_cb(req, arg);
+		return;
+	}
+
+	printf("Got a GET request for <%s>\n",  uri);
+
+	/* Decode the URI */
+	decoded = evhttp_uri_parse(uri);
+	if (!decoded) {
+		printf("It's not a good URI. Sending BADREQUEST\n");
+		evhttp_send_error(req, HTTP_BADREQUEST, 0);
+		return;
+	}
+
+	/* Let's see what path the user asked for. */
+	path = evhttp_uri_get_path(decoded);
+	if (!path) path = "/";
+
+	/* We need to decode it, to see what path the user really wanted. */
+	decoded_path = evhttp_uridecode(path, 0, NULL);
+	if (decoded_path == NULL)
+		goto err;
+	/* Don't allow any ".."s in the path, to avoid exposing stuff outside
+	 * of the docroot.  This test is both overzealous and underzealous:
+	 * it forbids aceptable paths like "/this/one..here", but it doesn't
+	 * do anything to prevent symlink following." */
+	if (strstr(decoded_path, ".."))
+		goto err;
+
+	len = strlen(decoded_path)+strlen(docroot)+2;
+	if (!(whole_path = malloc(len))) {
+		perror("malloc");
+		goto err;
+	}
+	evutil_snprintf(whole_path, len, "%s/%s", docroot, decoded_path);
+
+	if (stat(whole_path, &st)<0) {
+		goto err;
+	}
+
+	/* This holds the content we're sending. */
+	evb = evbuffer_new();
+
+	if (S_ISDIR(st.st_mode)) {
+		/* If it's a directory, read the comments and make a little
+		 * index page */
+#ifdef _WIN32
+		HANDLE d;
+		WIN32_FIND_DATAA ent;
+		char *pattern;
+		size_t dirlen;
+#else
+		DIR *d;
+		struct dirent *ent;
+#endif
+		const char *trailing_slash = "";
+
+		if (!strlen(path) || path[strlen(path)-1] != '/')
+			trailing_slash = "/";
+
+#ifdef _WIN32
+		dirlen = strlen(whole_path);
+		pattern = malloc(dirlen+3);
+		memcpy(pattern, whole_path, dirlen);
+		pattern[dirlen] = '\\';
+		pattern[dirlen+1] = '*';
+		pattern[dirlen+2] = '\0';
+		d = FindFirstFileA(pattern, &ent);
+		free(pattern);
+		if (d == INVALID_HANDLE_VALUE)
+			goto err;
+#else
+		if (!(d = opendir(whole_path)))
+			goto err;
+#endif
+
+		evbuffer_add_printf(evb,
+                    "<!DOCTYPE html>\n"
+                    "<html>\n <head>\n"
+                    "  <meta charset='utf-8'>\n"
+		    "  <title>%s</title>\n"
+		    "  <base href='%s%s'>\n"
+		    " </head>\n"
+		    " <body>\n"
+		    "  <h1>%s</h1>\n"
+		    "  <ul>\n",
+		    decoded_path, /* XXX html-escape this. */
+		    path, /* XXX html-escape this? */
+		    trailing_slash,
+		    decoded_path /* XXX html-escape this */);
+#ifdef _WIN32
+		do {
+			const char *name = ent.cFileName;
+#else
+		while ((ent = readdir(d))) {
+			const char *name = ent->d_name;
+#endif
+			evbuffer_add_printf(evb,
+			    "    <li><a href=\"%s\">%s</a>\n",
+			    name, name);/* XXX escape this */
+#ifdef _WIN32
+		} while (FindNextFileA(d, &ent));
+#else
+		}
+#endif
+		evbuffer_add_printf(evb, "</ul></body></html>\n");
+#ifdef _WIN32
+		FindClose(d);
+#else
+		closedir(d);
+#endif
+		evhttp_add_header(evhttp_request_get_output_headers(req),
+		    "Content-Type", "text/html");
+	} else {
+		/* Otherwise it's a file; add it to the buffer to get
+		 * sent via sendfile */
+		const char *type = guess_content_type(decoded_path);
+		if ((fd = open(whole_path, O_RDONLY)) < 0) {
+			perror("open");
+			goto err;
+		}
+
+		if (fstat(fd, &st)<0) {
+			/* Make sure the length still matches, now that we
+			 * opened the file :/ */
+			perror("fstat");
+			goto err;
+		}
+		evhttp_add_header(evhttp_request_get_output_headers(req),
+		    "Content-Type", type);
+		evbuffer_add_file(evb, fd, 0, st.st_size);
+	}
+
+	evhttp_send_reply(req, 200, "OK", evb);
+	goto done;
+err:
+	evhttp_send_error(req, 404, "Document was not found");
+	if (fd>=0)
+		close(fd);
+done:
+	if (decoded)
+		evhttp_uri_free(decoded);
+	if (decoded_path)
+		free(decoded_path);
+	if (whole_path)
+		free(whole_path);
+	if (evb)
+		evbuffer_free(evb);
+}
+
+static void
+syntax(void)
+{
+	fprintf(stdout, "Syntax: http-server <docroot>\n");
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event_base *base;
+	struct evhttp *http;
+	struct evhttp_bound_socket *handle;
+
+	ev_uint16_t port = 0;
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#else
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+		return (1);
+#endif
+	if (argc < 2) {
+		syntax();
+		return 1;
+	}
+
+	base = event_base_new();
+	if (!base) {
+		fprintf(stderr, "Couldn't create an event_base: exiting\n");
+		return 1;
+	}
+
+	/* Create a new evhttp object to handle requests. */
+	http = evhttp_new(base);
+	if (!http) {
+		fprintf(stderr, "couldn't create evhttp. Exiting.\n");
+		return 1;
+	}
+
+	/* The /dump URI will dump all requests to stdout and say 200 ok. */
+	evhttp_set_cb(http, "/dump", dump_request_cb, NULL);
+
+	/* We want to accept arbitrary requests, so we need to set a "generic"
+	 * cb.  We can also add callbacks for specific paths. */
+	evhttp_set_gencb(http, send_document_cb, argv[1]);
+
+	/* Now we tell the evhttp what port to listen on */
+	handle = evhttp_bind_socket_with_handle(http, "0.0.0.0", port);
+	if (!handle) {
+		fprintf(stderr, "couldn't bind to port %d. Exiting.\n",
+		    (int)port);
+		return 1;
+	}
+
+	{
+		/* Extract and display the address we're listening on. */
+		struct sockaddr_storage ss;
+		evutil_socket_t fd;
+		ev_socklen_t socklen = sizeof(ss);
+		char addrbuf[128];
+		void *inaddr;
+		const char *addr;
+		int got_port = -1;
+		fd = evhttp_bound_socket_get_fd(handle);
+		memset(&ss, 0, sizeof(ss));
+		if (getsockname(fd, (struct sockaddr *)&ss, &socklen)) {
+			perror("getsockname() failed");
+			return 1;
+		}
+		if (ss.ss_family == AF_INET) {
+			got_port = ntohs(((struct sockaddr_in*)&ss)->sin_port);
+			inaddr = &((struct sockaddr_in*)&ss)->sin_addr;
+		} else if (ss.ss_family == AF_INET6) {
+			got_port = ntohs(((struct sockaddr_in6*)&ss)->sin6_port);
+			inaddr = &((struct sockaddr_in6*)&ss)->sin6_addr;
+		} else {
+			fprintf(stderr, "Weird address family %d\n",
+			    ss.ss_family);
+			return 1;
+		}
+		addr = evutil_inet_ntop(ss.ss_family, inaddr, addrbuf,
+		    sizeof(addrbuf));
+		if (addr) {
+			printf("Listening on %s:%d\n", addr, got_port);
+			evutil_snprintf(uri_root, sizeof(uri_root),
+			    "http://%s:%d",addr,got_port);
+		} else {
+			fprintf(stderr, "evutil_inet_ntop failed\n");
+			return 1;
+		}
+	}
+
+	event_base_dispatch(base);
+
+	return 0;
+}
diff --git a/sample/https-client.c b/sample/https-client.c
new file mode 100644
index 0000000..7483956
--- /dev/null
+++ b/sample/https-client.c
@@ -0,0 +1,502 @@
+/*
+  This is an example of how to hook up evhttp with bufferevent_ssl
+
+  It just GETs an https URL given on the command-line and prints the response
+  body to stdout.
+
+  Actually, it also accepts plain http URLs to make it easy to compare http vs
+  https code paths.
+
+  Loosely based on le-proxy.c.
+ */
+
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+#define snprintf _snprintf
+#define strcasecmp _stricmp 
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#include <event2/bufferevent_ssl.h>
+#include <event2/bufferevent.h>
+#include <event2/buffer.h>
+#include <event2/listener.h>
+#include <event2/util.h>
+#include <event2/http.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+
+#include "openssl_hostname_validation.h"
+
+static struct event_base *base;
+static int ignore_cert = 0;
+
+static void
+http_request_done(struct evhttp_request *req, void *ctx)
+{
+	char buffer[256];
+	int nread;
+
+	if (req == NULL) {
+		/* If req is NULL, it means an error occurred, but
+		 * sadly we are mostly left guessing what the error
+		 * might have been.  We'll do our best... */
+		struct bufferevent *bev = (struct bufferevent *) ctx;
+		unsigned long oslerr;
+		int printed_err = 0;
+		int errcode = EVUTIL_SOCKET_ERROR();
+		fprintf(stderr, "some request failed - no idea which one though!\n");
+		/* Print out the OpenSSL error queue that libevent
+		 * squirreled away for us, if any. */
+		while ((oslerr = bufferevent_get_openssl_error(bev))) {
+			ERR_error_string_n(oslerr, buffer, sizeof(buffer));
+			fprintf(stderr, "%s\n", buffer);
+			printed_err = 1;
+		}
+		/* If the OpenSSL error queue was empty, maybe it was a
+		 * socket error; let's try printing that. */
+		if (! printed_err)
+			fprintf(stderr, "socket error = %s (%d)\n",
+				evutil_socket_error_to_string(errcode),
+				errcode);
+		return;
+	}
+
+	fprintf(stderr, "Response line: %d %s\n",
+	    evhttp_request_get_response_code(req),
+	    evhttp_request_get_response_code_line(req));
+
+	while ((nread = evbuffer_remove(evhttp_request_get_input_buffer(req),
+		    buffer, sizeof(buffer)))
+	       > 0) {
+		/* These are just arbitrary chunks of 256 bytes.
+		 * They are not lines, so we can't treat them as such. */
+		fwrite(buffer, nread, 1, stdout);
+	}
+}
+
+static void
+syntax(void)
+{
+	fputs("Syntax:\n", stderr);
+	fputs("   https-client -url <https-url> [-data data-file.bin] [-ignore-cert] [-retries num] [-timeout sec] [-crt crt]\n", stderr);
+	fputs("Example:\n", stderr);
+	fputs("   https-client -url https://ip.appspot.com/\n", stderr);
+}
+
+static void
+err(const char *msg)
+{
+	fputs(msg, stderr);
+}
+
+static void
+err_openssl(const char *func)
+{
+	fprintf (stderr, "%s failed:\n", func);
+
+	/* This is the OpenSSL function that prints the contents of the
+	 * error stack to the specified file handle. */
+	ERR_print_errors_fp (stderr);
+
+	exit(1);
+}
+
+#ifndef _WIN32
+/* See http://archives.seul.org/libevent/users/Jan-2013/msg00039.html */
+static int cert_verify_callback(X509_STORE_CTX *x509_ctx, void *arg)
+{
+	char cert_str[256];
+	const char *host = (const char *) arg;
+	const char *res_str = "X509_verify_cert failed";
+	HostnameValidationResult res = Error;
+
+	/* This is the function that OpenSSL would call if we hadn't called
+	 * SSL_CTX_set_cert_verify_callback().  Therefore, we are "wrapping"
+	 * the default functionality, rather than replacing it. */
+	int ok_so_far = 0;
+
+	X509 *server_cert = NULL;
+
+	if (ignore_cert) {
+		return 1;
+	}
+
+	ok_so_far = X509_verify_cert(x509_ctx);
+
+	server_cert = X509_STORE_CTX_get_current_cert(x509_ctx);
+
+	if (ok_so_far) {
+		res = validate_hostname(host, server_cert);
+
+		switch (res) {
+		case MatchFound:
+			res_str = "MatchFound";
+			break;
+		case MatchNotFound:
+			res_str = "MatchNotFound";
+			break;
+		case NoSANPresent:
+			res_str = "NoSANPresent";
+			break;
+		case MalformedCertificate:
+			res_str = "MalformedCertificate";
+			break;
+		case Error:
+			res_str = "Error";
+			break;
+		default:
+			res_str = "WTF!";
+			break;
+		}
+	}
+
+	X509_NAME_oneline(X509_get_subject_name (server_cert),
+			  cert_str, sizeof (cert_str));
+
+	if (res == MatchFound) {
+		printf("https server '%s' has this certificate, "
+		       "which looks good to me:\n%s\n",
+		       host, cert_str);
+		return 1;
+	} else {
+		printf("Got '%s' for hostname '%s' and certificate:\n%s\n",
+		       res_str, host, cert_str);
+		return 0;
+	}
+}
+#endif
+
+int
+main(int argc, char **argv)
+{
+	int r;
+
+	struct evhttp_uri *http_uri = NULL;
+	const char *url = NULL, *data_file = NULL;
+	const char *crt = "/etc/ssl/certs/ca-certificates.crt";
+	const char *scheme, *host, *path, *query;
+	char uri[256];
+	int port;
+	int retries = 0;
+	int timeout = -1;
+
+	SSL_CTX *ssl_ctx = NULL;
+	SSL *ssl = NULL;
+	struct bufferevent *bev;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req;
+	struct evkeyvalq *output_headers;
+	struct evbuffer *output_buffer;
+
+	int i;
+	int ret = 0;
+	enum { HTTP, HTTPS } type = HTTP;
+
+	for (i = 1; i < argc; i++) {
+		if (!strcmp("-url", argv[i])) {
+			if (i < argc - 1) {
+				url = argv[i + 1];
+			} else {
+				syntax();
+				goto error;
+			}
+		} else if (!strcmp("-crt", argv[i])) {
+			if (i < argc - 1) {
+				crt = argv[i + 1];
+			} else {
+				syntax();
+				goto error;
+			}
+		} else if (!strcmp("-ignore-cert", argv[i])) {
+			ignore_cert = 1;
+		} else if (!strcmp("-data", argv[i])) {
+			if (i < argc - 1) {
+				data_file = argv[i + 1];
+			} else {
+				syntax();
+				goto error;
+			}
+		} else if (!strcmp("-retries", argv[i])) {
+			if (i < argc - 1) {
+				retries = atoi(argv[i + 1]);
+			} else {
+				syntax();
+				goto error;
+			}
+		} else if (!strcmp("-timeout", argv[i])) {
+			if (i < argc - 1) {
+				timeout = atoi(argv[i + 1]);
+			} else {
+				syntax();
+				goto error;
+			}
+		} else if (!strcmp("-help", argv[i])) {
+			syntax();
+			goto error;
+		}
+	}
+
+	if (!url) {
+		syntax();
+		goto error;
+	}
+
+#ifdef _WIN32
+	{
+		WORD wVersionRequested;
+		WSADATA wsaData;
+		int err;
+
+		wVersionRequested = MAKEWORD(2, 2);
+
+		err = WSAStartup(wVersionRequested, &wsaData);
+		if (err != 0) {
+			printf("WSAStartup failed with error: %d\n", err);
+			goto error;
+		}
+	}
+#endif // _WIN32
+
+	http_uri = evhttp_uri_parse(url);
+	if (http_uri == NULL) {
+		err("malformed url");
+		goto error;
+	}
+
+	scheme = evhttp_uri_get_scheme(http_uri);
+	if (scheme == NULL || (strcasecmp(scheme, "https") != 0 &&
+	                       strcasecmp(scheme, "http") != 0)) {
+		err("url must be http or https");
+		goto error;
+	}
+
+	host = evhttp_uri_get_host(http_uri);
+	if (host == NULL) {
+		err("url must have a host");
+		goto error;
+	}
+
+	port = evhttp_uri_get_port(http_uri);
+	if (port == -1) {
+		port = (strcasecmp(scheme, "http") == 0) ? 80 : 443;
+	}
+
+	path = evhttp_uri_get_path(http_uri);
+	if (strlen(path) == 0) {
+		path = "/";
+	}
+
+	query = evhttp_uri_get_query(http_uri);
+	if (query == NULL) {
+		snprintf(uri, sizeof(uri) - 1, "%s", path);
+	} else {
+		snprintf(uri, sizeof(uri) - 1, "%s?%s", path, query);
+	}
+	uri[sizeof(uri) - 1] = '\0';
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	// Initialize OpenSSL
+	SSL_library_init();
+	ERR_load_crypto_strings();
+	SSL_load_error_strings();
+	OpenSSL_add_all_algorithms();
+#endif
+
+	/* This isn't strictly necessary... OpenSSL performs RAND_poll
+	 * automatically on first use of random number generator. */
+	r = RAND_poll();
+	if (r == 0) {
+		err_openssl("RAND_poll");
+		goto error;
+	}
+
+	/* Create a new OpenSSL context */
+	ssl_ctx = SSL_CTX_new(SSLv23_method());
+	if (!ssl_ctx) {
+		err_openssl("SSL_CTX_new");
+		goto error;
+	}
+
+#ifndef _WIN32
+	/* TODO: Add certificate loading on Windows as well */
+
+	/* Attempt to use the system's trusted root certificates.
+	 * (This path is only valid for Debian-based systems.) */
+	if (1 != SSL_CTX_load_verify_locations(ssl_ctx, crt, NULL)) {
+		err_openssl("SSL_CTX_load_verify_locations");
+		goto error;
+	}
+	/* Ask OpenSSL to verify the server certificate.  Note that this
+	 * does NOT include verifying that the hostname is correct.
+	 * So, by itself, this means anyone with any legitimate
+	 * CA-issued certificate for any website, can impersonate any
+	 * other website in the world.  This is not good.  See "The
+	 * Most Dangerous Code in the World" article at
+	 * https://crypto.stanford.edu/~dabo/pubs/abstracts/ssl-client-bugs.html
+	 */
+	SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
+	/* This is how we solve the problem mentioned in the previous
+	 * comment.  We "wrap" OpenSSL's validation routine in our
+	 * own routine, which also validates the hostname by calling
+	 * the code provided by iSECPartners.  Note that even though
+	 * the "Everything You've Always Wanted to Know About
+	 * Certificate Validation With OpenSSL (But Were Afraid to
+	 * Ask)" paper from iSECPartners says very explicitly not to
+	 * call SSL_CTX_set_cert_verify_callback (at the bottom of
+	 * page 2), what we're doing here is safe because our
+	 * cert_verify_callback() calls X509_verify_cert(), which is
+	 * OpenSSL's built-in routine which would have been called if
+	 * we hadn't set the callback.  Therefore, we're just
+	 * "wrapping" OpenSSL's routine, not replacing it. */
+	SSL_CTX_set_cert_verify_callback(ssl_ctx, cert_verify_callback,
+					  (void *) host);
+#else // _WIN32
+	(void)crt;
+#endif // _WIN32
+
+	// Create event base
+	base = event_base_new();
+	if (!base) {
+		perror("event_base_new()");
+		goto error;
+	}
+
+	// Create OpenSSL bufferevent and stack evhttp on top of it
+	ssl = SSL_new(ssl_ctx);
+	if (ssl == NULL) {
+		err_openssl("SSL_new()");
+		goto error;
+	}
+
+	#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
+	// Set hostname for SNI extension
+	SSL_set_tlsext_host_name(ssl, host);
+	#endif
+
+	if (strcasecmp(scheme, "http") == 0) {
+		bev = bufferevent_socket_new(base, -1, BEV_OPT_CLOSE_ON_FREE);
+	} else {
+		type = HTTPS;
+		bev = bufferevent_openssl_socket_new(base, -1, ssl,
+			BUFFEREVENT_SSL_CONNECTING,
+			BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	}
+
+	if (bev == NULL) {
+		fprintf(stderr, "bufferevent_openssl_socket_new() failed\n");
+		goto error;
+	}
+
+	bufferevent_openssl_set_allow_dirty_shutdown(bev, 1);
+
+	// For simplicity, we let DNS resolution block. Everything else should be
+	// asynchronous though.
+	evcon = evhttp_connection_base_bufferevent_new(base, NULL, bev,
+		host, port);
+	if (evcon == NULL) {
+		fprintf(stderr, "evhttp_connection_base_bufferevent_new() failed\n");
+		goto error;
+	}
+
+	if (retries > 0) {
+		evhttp_connection_set_retries(evcon, retries);
+	}
+	if (timeout >= 0) {
+		evhttp_connection_set_timeout(evcon, timeout);
+	}
+
+	// Fire off the request
+	req = evhttp_request_new(http_request_done, bev);
+	if (req == NULL) {
+		fprintf(stderr, "evhttp_request_new() failed\n");
+		goto error;
+	}
+
+	output_headers = evhttp_request_get_output_headers(req);
+	evhttp_add_header(output_headers, "Host", host);
+	evhttp_add_header(output_headers, "Connection", "close");
+
+	if (data_file) {
+		/* NOTE: In production code, you'd probably want to use
+		 * evbuffer_add_file() or evbuffer_add_file_segment(), to
+		 * avoid needless copying. */
+		FILE * f = fopen(data_file, "rb");
+		char buf[1024];
+		size_t s;
+		size_t bytes = 0;
+
+		if (!f) {
+			syntax();
+			goto error;
+		}
+
+		output_buffer = evhttp_request_get_output_buffer(req);
+		while ((s = fread(buf, 1, sizeof(buf), f)) > 0) {
+			evbuffer_add(output_buffer, buf, s);
+			bytes += s;
+		}
+		evutil_snprintf(buf, sizeof(buf)-1, "%lu", (unsigned long)bytes);
+		evhttp_add_header(output_headers, "Content-Length", buf);
+		fclose(f);
+	}
+
+	r = evhttp_make_request(evcon, req, data_file ? EVHTTP_REQ_POST : EVHTTP_REQ_GET, uri);
+	if (r != 0) {
+		fprintf(stderr, "evhttp_make_request() failed\n");
+		goto error;
+	}
+
+	event_base_dispatch(base);
+	goto cleanup;
+
+error:
+	ret = 1;
+cleanup:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http_uri)
+		evhttp_uri_free(http_uri);
+	event_base_free(base);
+
+	if (ssl_ctx)
+		SSL_CTX_free(ssl_ctx);
+	if (type == HTTP && ssl)
+		SSL_free(ssl);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	EVP_cleanup();
+	ERR_free_strings();
+
+#ifdef EVENT__HAVE_ERR_REMOVE_THREAD_STATE
+	ERR_remove_thread_state(NULL);
+#else
+	ERR_remove_state(0);
+#endif
+	CRYPTO_cleanup_all_ex_data();
+
+	sk_SSL_COMP_free(SSL_COMP_get_compression_methods());
+#endif /*OPENSSL_VERSION_NUMBER < 0x10100000L */
+
+#ifdef _WIN32
+	WSACleanup();
+#endif
+
+	return ret;
+}
diff --git a/sample/include.am b/sample/include.am
new file mode 100644
index 0000000..d1a7242
--- /dev/null
+++ b/sample/include.am
@@ -0,0 +1,53 @@
+# sample/include.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+SAMPLES = \
+	sample/dns-example				\
+	sample/event-read-fifo			\
+	sample/hello-world				\
+	sample/http-server				\
+	sample/http-connect				\
+	sample/signal-test				\
+	sample/time-test
+
+if OPENSSL
+SAMPLES += sample/le-proxy
+sample_le_proxy_SOURCES = sample/le-proxy.c
+sample_le_proxy_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
+sample_le_proxy_INCLUDES = $(OPENSSL_INCS)
+
+SAMPLES += sample/https-client
+sample_https_client_SOURCES = \
+	sample/https-client.c \
+	sample/hostcheck.c \
+	sample/openssl_hostname_validation.c
+sample_https_client_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
+sample_https_client_INCLUDES = $(OPENSSL_INCS)
+noinst_HEADERS += \
+	sample/hostcheck.h \
+	sample/openssl_hostname_validation.h
+endif
+
+if BUILD_SAMPLES
+noinst_PROGRAMS += $(SAMPLES)
+endif
+
+$(SAMPLES) : libevent.la
+
+sample_event_read_fifo_SOURCES = sample/event-read-fifo.c
+sample_event_read_fifo_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_time_test_SOURCES = sample/time-test.c
+sample_time_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_signal_test_SOURCES = sample/signal-test.c
+sample_signal_test_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_dns_example_SOURCES = sample/dns-example.c
+sample_dns_example_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_hello_world_SOURCES = sample/hello-world.c
+sample_hello_world_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_http_server_SOURCES = sample/http-server.c
+sample_http_server_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+sample_http_connect_SOURCES = sample/http-connect.c
+sample_http_connect_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
diff --git a/sample/le-proxy.c b/sample/le-proxy.c
new file mode 100644
index 0000000..8d9b529
--- /dev/null
+++ b/sample/le-proxy.c
@@ -0,0 +1,291 @@
+/*
+  This example code shows how to write an (optionally encrypting) SSL proxy
+  with Libevent's bufferevent layer.
+
+  XXX It's a little ugly and should probably be cleaned up.
+ */
+
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#include <event2/bufferevent_ssl.h>
+#include <event2/bufferevent.h>
+#include <event2/buffer.h>
+#include <event2/listener.h>
+#include <event2/util.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include "openssl-compat.h"
+
+static struct event_base *base;
+static struct sockaddr_storage listen_on_addr;
+static struct sockaddr_storage connect_to_addr;
+static int connect_to_addrlen;
+static int use_wrapper = 1;
+
+static SSL_CTX *ssl_ctx = NULL;
+
+#define MAX_OUTPUT (512*1024)
+
+static void drained_writecb(struct bufferevent *bev, void *ctx);
+static void eventcb(struct bufferevent *bev, short what, void *ctx);
+
+static void
+readcb(struct bufferevent *bev, void *ctx)
+{
+	struct bufferevent *partner = ctx;
+	struct evbuffer *src, *dst;
+	size_t len;
+	src = bufferevent_get_input(bev);
+	len = evbuffer_get_length(src);
+	if (!partner) {
+		evbuffer_drain(src, len);
+		return;
+	}
+	dst = bufferevent_get_output(partner);
+	evbuffer_add_buffer(dst, src);
+
+	if (evbuffer_get_length(dst) >= MAX_OUTPUT) {
+		/* We're giving the other side data faster than it can
+		 * pass it on.  Stop reading here until we have drained the
+		 * other side to MAX_OUTPUT/2 bytes. */
+		bufferevent_setcb(partner, readcb, drained_writecb,
+		    eventcb, bev);
+		bufferevent_setwatermark(partner, EV_WRITE, MAX_OUTPUT/2,
+		    MAX_OUTPUT);
+		bufferevent_disable(bev, EV_READ);
+	}
+}
+
+static void
+drained_writecb(struct bufferevent *bev, void *ctx)
+{
+	struct bufferevent *partner = ctx;
+
+	/* We were choking the other side until we drained our outbuf a bit.
+	 * Now it seems drained. */
+	bufferevent_setcb(bev, readcb, NULL, eventcb, partner);
+	bufferevent_setwatermark(bev, EV_WRITE, 0, 0);
+	if (partner)
+		bufferevent_enable(partner, EV_READ);
+}
+
+static void
+close_on_finished_writecb(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *b = bufferevent_get_output(bev);
+
+	if (evbuffer_get_length(b) == 0) {
+		bufferevent_free(bev);
+	}
+}
+
+static void
+eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	struct bufferevent *partner = ctx;
+
+	if (what & (BEV_EVENT_EOF|BEV_EVENT_ERROR)) {
+		if (what & BEV_EVENT_ERROR) {
+			unsigned long err;
+			while ((err = (bufferevent_get_openssl_error(bev)))) {
+				const char *msg = (const char*)
+				    ERR_reason_error_string(err);
+				const char *lib = (const char*)
+				    ERR_lib_error_string(err);
+				const char *func = (const char*)
+				    ERR_func_error_string(err);
+				fprintf(stderr,
+				    "%s in %s %s\n", msg, lib, func);
+			}
+			if (errno)
+				perror("connection error");
+		}
+
+		if (partner) {
+			/* Flush all pending data */
+			readcb(bev, ctx);
+
+			if (evbuffer_get_length(
+				    bufferevent_get_output(partner))) {
+				/* We still have to flush data from the other
+				 * side, but when that's done, close the other
+				 * side. */
+				bufferevent_setcb(partner,
+				    NULL, close_on_finished_writecb,
+				    eventcb, NULL);
+				bufferevent_disable(partner, EV_READ);
+			} else {
+				/* We have nothing left to say to the other
+				 * side; close it. */
+				bufferevent_free(partner);
+			}
+		}
+		bufferevent_free(bev);
+	}
+}
+
+static void
+syntax(void)
+{
+	fputs("Syntax:\n", stderr);
+	fputs("   le-proxy [-s] [-W] <listen-on-addr> <connect-to-addr>\n", stderr);
+	fputs("Example:\n", stderr);
+	fputs("   le-proxy 127.0.0.1:8888 1.2.3.4:80\n", stderr);
+
+	exit(1);
+}
+
+static void
+accept_cb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *a, int slen, void *p)
+{
+	struct bufferevent *b_out, *b_in;
+	/* Create two linked bufferevent objects: one to connect, one for the
+	 * new connection */
+	b_in = bufferevent_socket_new(base, fd,
+	    BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+
+	if (!ssl_ctx || use_wrapper)
+		b_out = bufferevent_socket_new(base, -1,
+		    BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	else {
+		SSL *ssl = SSL_new(ssl_ctx);
+		b_out = bufferevent_openssl_socket_new(base, -1, ssl,
+		    BUFFEREVENT_SSL_CONNECTING,
+		    BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	}
+
+	assert(b_in && b_out);
+
+	if (bufferevent_socket_connect(b_out,
+		(struct sockaddr*)&connect_to_addr, connect_to_addrlen)<0) {
+		perror("bufferevent_socket_connect");
+		bufferevent_free(b_out);
+		bufferevent_free(b_in);
+		return;
+	}
+
+	if (ssl_ctx && use_wrapper) {
+		struct bufferevent *b_ssl;
+		SSL *ssl = SSL_new(ssl_ctx);
+		b_ssl = bufferevent_openssl_filter_new(base,
+		    b_out, ssl, BUFFEREVENT_SSL_CONNECTING,
+		    BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+		if (!b_ssl) {
+			perror("Bufferevent_openssl_new");
+			bufferevent_free(b_out);
+			bufferevent_free(b_in);
+		}
+		b_out = b_ssl;
+	}
+
+	bufferevent_setcb(b_in, readcb, NULL, eventcb, b_out);
+	bufferevent_setcb(b_out, readcb, NULL, eventcb, b_in);
+
+	bufferevent_enable(b_in, EV_READ|EV_WRITE);
+	bufferevent_enable(b_out, EV_READ|EV_WRITE);
+}
+
+int
+main(int argc, char **argv)
+{
+	int i;
+	int socklen;
+
+	int use_ssl = 0;
+	struct evconnlistener *listener;
+
+	if (argc < 3)
+		syntax();
+
+	for (i=1; i < argc; ++i) {
+		if (!strcmp(argv[i], "-s")) {
+			use_ssl = 1;
+		} else if (!strcmp(argv[i], "-W")) {
+			use_wrapper = 0;
+		} else if (argv[i][0] == '-') {
+			syntax();
+		} else
+			break;
+	}
+
+	if (i+2 != argc)
+		syntax();
+
+	memset(&listen_on_addr, 0, sizeof(listen_on_addr));
+	socklen = sizeof(listen_on_addr);
+	if (evutil_parse_sockaddr_port(argv[i],
+		(struct sockaddr*)&listen_on_addr, &socklen)<0) {
+		int p = atoi(argv[i]);
+		struct sockaddr_in *sin = (struct sockaddr_in*)&listen_on_addr;
+		if (p < 1 || p > 65535)
+			syntax();
+		sin->sin_port = htons(p);
+		sin->sin_addr.s_addr = htonl(0x7f000001);
+		sin->sin_family = AF_INET;
+		socklen = sizeof(struct sockaddr_in);
+	}
+
+	memset(&connect_to_addr, 0, sizeof(connect_to_addr));
+	connect_to_addrlen = sizeof(connect_to_addr);
+	if (evutil_parse_sockaddr_port(argv[i+1],
+		(struct sockaddr*)&connect_to_addr, &connect_to_addrlen)<0)
+		syntax();
+
+	base = event_base_new();
+	if (!base) {
+		perror("event_base_new()");
+		return 1;
+	}
+
+	if (use_ssl) {
+		int r;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+		SSL_library_init();
+		ERR_load_crypto_strings();
+		SSL_load_error_strings();
+		OpenSSL_add_all_algorithms();
+#endif
+		r = RAND_poll();
+		if (r == 0) {
+			fprintf(stderr, "RAND_poll() failed.\n");
+			return 1;
+		}
+		ssl_ctx = SSL_CTX_new(TLS_method());
+	}
+
+	listener = evconnlistener_new_bind(base, accept_cb, NULL,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_CLOSE_ON_EXEC|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr*)&listen_on_addr, socklen);
+
+	if (! listener) {
+		fprintf(stderr, "Couldn't open listener.\n");
+		event_base_free(base);
+		return 1;
+	}
+	event_base_dispatch(base);
+
+	evconnlistener_free(listener);
+	event_base_free(base);
+
+	return 0;
+}
diff --git a/sample/openssl_hostname_validation.c b/sample/openssl_hostname_validation.c
new file mode 100644
index 0000000..40312f2
--- /dev/null
+++ b/sample/openssl_hostname_validation.c
@@ -0,0 +1,177 @@
+/* Obtained from: https://github.com/iSECPartners/ssl-conservatory */
+
+/*
+Copyright (C) 2012, iSEC Partners.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+/*
+ * Helper functions to perform basic hostname validation using OpenSSL.
+ *
+ * Please read "everything-you-wanted-to-know-about-openssl.pdf" before
+ * attempting to use this code. This whitepaper describes how the code works,
+ * how it should be used, and what its limitations are.
+ *
+ * Author:  Alban Diquet
+ * License: See LICENSE
+ *
+ */
+
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#include <openssl/x509v3.h>
+#include <openssl/ssl.h>
+#include <string.h>
+
+#include "openssl_hostname_validation.h"
+#include "hostcheck.h"
+
+#define HOSTNAME_MAX_SIZE 255
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#define ASN1_STRING_get0_data ASN1_STRING_data
+#endif
+
+/**
+* Tries to find a match for hostname in the certificate's Common Name field.
+*
+* Returns MatchFound if a match was found.
+* Returns MatchNotFound if no matches were found.
+* Returns MalformedCertificate if the Common Name had a NUL character embedded in it.
+* Returns Error if the Common Name could not be extracted.
+*/
+static HostnameValidationResult matches_common_name(const char *hostname, const X509 *server_cert) {
+        int common_name_loc = -1;
+        X509_NAME_ENTRY *common_name_entry = NULL;
+        ASN1_STRING *common_name_asn1 = NULL;
+        const char *common_name_str = NULL;
+
+        // Find the position of the CN field in the Subject field of the certificate
+        common_name_loc = X509_NAME_get_index_by_NID(X509_get_subject_name((X509 *) server_cert), NID_commonName, -1);
+        if (common_name_loc < 0) {
+                return Error;
+        }
+
+        // Extract the CN field
+        common_name_entry = X509_NAME_get_entry(X509_get_subject_name((X509 *) server_cert), common_name_loc);
+        if (common_name_entry == NULL) {
+                return Error;
+        }
+
+        // Convert the CN field to a C string
+        common_name_asn1 = X509_NAME_ENTRY_get_data(common_name_entry);
+        if (common_name_asn1 == NULL) {
+                return Error;
+        }
+        common_name_str = (char *) ASN1_STRING_get0_data(common_name_asn1);
+
+        // Make sure there isn't an embedded NUL character in the CN
+        if ((size_t)ASN1_STRING_length(common_name_asn1) != strlen(common_name_str)) {
+                return MalformedCertificate;
+        }
+
+        // Compare expected hostname with the CN
+        if (Curl_cert_hostcheck(common_name_str, hostname) == CURL_HOST_MATCH) {
+                return MatchFound;
+        }
+        else {
+                return MatchNotFound;
+        }
+}
+
+
+/**
+* Tries to find a match for hostname in the certificate's Subject Alternative Name extension.
+*
+* Returns MatchFound if a match was found.
+* Returns MatchNotFound if no matches were found.
+* Returns MalformedCertificate if any of the hostnames had a NUL character embedded in it.
+* Returns NoSANPresent if the SAN extension was not present in the certificate.
+*/
+static HostnameValidationResult matches_subject_alternative_name(const char *hostname, const X509 *server_cert) {
+        HostnameValidationResult result = MatchNotFound;
+        int i;
+        int san_names_nb = -1;
+        STACK_OF(GENERAL_NAME) *san_names = NULL;
+
+        // Try to extract the names within the SAN extension from the certificate
+        san_names = X509_get_ext_d2i((X509 *) server_cert, NID_subject_alt_name, NULL, NULL);
+        if (san_names == NULL) {
+                return NoSANPresent;
+        }
+        san_names_nb = sk_GENERAL_NAME_num(san_names);
+
+        // Check each name within the extension
+        for (i=0; i<san_names_nb; i++) {
+                const GENERAL_NAME *current_name = sk_GENERAL_NAME_value(san_names, i);
+
+                if (current_name->type == GEN_DNS) {
+                        // Current name is a DNS name, let's check it
+                        const char *dns_name = (char *) ASN1_STRING_get0_data(current_name->d.dNSName);
+
+                        // Make sure there isn't an embedded NUL character in the DNS name
+                        if ((size_t)ASN1_STRING_length(current_name->d.dNSName) != strlen(dns_name)) {
+                                result = MalformedCertificate;
+                                break;
+                        }
+                        else { // Compare expected hostname with the DNS name
+                                if (Curl_cert_hostcheck(dns_name, hostname)
+                                    == CURL_HOST_MATCH) {
+                                        result = MatchFound;
+                                        break;
+                                }
+                        }
+                }
+        }
+        sk_GENERAL_NAME_pop_free(san_names, GENERAL_NAME_free);
+
+        return result;
+}
+
+
+/**
+* Validates the server's identity by looking for the expected hostname in the
+* server's certificate. As described in RFC 6125, it first tries to find a match
+* in the Subject Alternative Name extension. If the extension is not present in
+* the certificate, it checks the Common Name instead.
+*
+* Returns MatchFound if a match was found.
+* Returns MatchNotFound if no matches were found.
+* Returns MalformedCertificate if any of the hostnames had a NUL character embedded in it.
+* Returns Error if there was an error.
+*/
+HostnameValidationResult validate_hostname(const char *hostname, const X509 *server_cert) {
+        HostnameValidationResult result;
+
+        if((hostname == NULL) || (server_cert == NULL))
+                return Error;
+
+        // First try the Subject Alternative Names extension
+        result = matches_subject_alternative_name(hostname, server_cert);
+        if (result == NoSANPresent) {
+                // Extension was not found: try the Common Name
+                result = matches_common_name(hostname, server_cert);
+        }
+
+        return result;
+}
diff --git a/sample/openssl_hostname_validation.h b/sample/openssl_hostname_validation.h
new file mode 100644
index 0000000..54aa1c4
--- /dev/null
+++ b/sample/openssl_hostname_validation.h
@@ -0,0 +1,56 @@
+/* Obtained from: https://github.com/iSECPartners/ssl-conservatory */
+
+/*
+Copyright (C) 2012, iSEC Partners.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+/*
+ * Helper functions to perform basic hostname validation using OpenSSL.
+ *
+ * Please read "everything-you-wanted-to-know-about-openssl.pdf" before
+ * attempting to use this code. This whitepaper describes how the code works,
+ * how it should be used, and what its limitations are.
+ *
+ * Author:  Alban Diquet
+ * License: See LICENSE
+ *
+ */
+
+typedef enum {
+        MatchFound,
+        MatchNotFound,
+        NoSANPresent,
+        MalformedCertificate,
+        Error
+} HostnameValidationResult;
+
+/**
+* Validates the server's identity by looking for the expected hostname in the
+* server's certificate. As described in RFC 6125, it first tries to find a match
+* in the Subject Alternative Name extension. If the extension is not present in
+* the certificate, it checks the Common Name instead.
+*
+* Returns MatchFound if a match was found.
+* Returns MatchNotFound if no matches were found.
+* Returns MalformedCertificate if any of the hostnames had a NUL character embedded in it.
+* Returns Error if there was an error.
+*/
+HostnameValidationResult validate_hostname(const char *hostname, const X509 *server_cert);
diff --git a/sample/signal-test.c b/sample/signal-test.c
new file mode 100644
index 0000000..1866835
--- /dev/null
+++ b/sample/signal-test.c
@@ -0,0 +1,72 @@
+/*
+ * Compile with:
+ * cc -I/usr/local/include -o signal-test \
+ *   signal-test.c -L/usr/local/lib -levent
+ */
+
+#include <sys/types.h>
+
+#include <event2/event-config.h>
+
+#include <sys/stat.h>
+#ifndef _WIN32
+#include <sys/queue.h>
+#include <unistd.h>
+#include <sys/time.h>
+#else
+#include <winsock2.h>
+#include <windows.h>
+#endif
+#include <signal.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event2/event.h>
+
+int called = 0;
+
+static void
+signal_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *signal = arg;
+
+	printf("signal_cb: got signal %d\n", event_get_signal(signal));
+
+	if (called >= 2)
+		event_del(signal);
+
+	called++;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event *signal_int;
+	struct event_base* base;
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	/* Initalize the event library */
+	base = event_base_new();
+
+	/* Initalize one event */
+	signal_int = evsignal_new(base, SIGINT, signal_cb, event_self_cbarg());
+
+	event_add(signal_int, NULL);
+
+	event_base_dispatch(base);
+	event_free(signal_int);
+	event_base_free(base);
+
+	return (0);
+}
+
diff --git a/sample/time-test.c b/sample/time-test.c
new file mode 100644
index 0000000..c94c18a
--- /dev/null
+++ b/sample/time-test.c
@@ -0,0 +1,107 @@
+/*
+ * XXX This sample code was once meant to show how to use the basic Libevent
+ * interfaces, but it never worked on non-Unix platforms, and some of the
+ * interfaces have changed since it was first written.  It should probably
+ * be removed or replaced with something better.
+ *
+ * Compile with:
+ * cc -I/usr/local/include -o time-test time-test.c -L/usr/local/lib -levent
+ */
+
+#include <sys/types.h>
+
+#include <event2/event-config.h>
+
+#include <sys/stat.h>
+#ifndef _WIN32
+#include <sys/queue.h>
+#include <unistd.h>
+#endif
+#include <time.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event2/event.h>
+#include <event2/event_struct.h>
+#include <event2/util.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
+struct timeval lasttime;
+
+int event_is_persistent;
+
+static void
+timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct timeval newtime, difference;
+	struct event *timeout = arg;
+	double elapsed;
+
+	evutil_gettimeofday(&newtime, NULL);
+	evutil_timersub(&newtime, &lasttime, &difference);
+	elapsed = difference.tv_sec +
+	    (difference.tv_usec / 1.0e6);
+
+	printf("timeout_cb called at %d: %.3f seconds elapsed.\n",
+	    (int)newtime.tv_sec, elapsed);
+	lasttime = newtime;
+
+	if (! event_is_persistent) {
+		struct timeval tv;
+		evutil_timerclear(&tv);
+		tv.tv_sec = 2;
+		event_add(timeout, &tv);
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event timeout;
+	struct timeval tv;
+	struct event_base *base;
+	int flags;
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void)WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	if (argc == 2 && !strcmp(argv[1], "-p")) {
+		event_is_persistent = 1;
+		flags = EV_PERSIST;
+	} else {
+		event_is_persistent = 0;
+		flags = 0;
+	}
+
+	/* Initalize the event library */
+	base = event_base_new();
+
+	/* Initalize one event */
+	event_assign(&timeout, base, -1, flags, timeout_cb, (void*) &timeout);
+
+	evutil_timerclear(&tv);
+	tv.tv_sec = 2;
+	event_add(&timeout, &tv);
+
+	evutil_gettimeofday(&lasttime, NULL);
+
+	event_base_dispatch(base);
+
+	return (0);
+}
+
diff --git a/select.c b/select.c
index afba6d3..8ae53cc 100644
--- a/select.c
+++ b/select.c
@@ -27,12 +27,21 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_SELECT
+
+#ifdef __APPLE__
+/* Apple wants us to define this if we might ever pass more than
+ * FD_SETSIZE bits to select(). */
+#define _DARWIN_UNLIMITED_SELECT
+#endif
 
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
-#ifdef _EVENT_HAVE_SYS_SELECT_H
+#ifdef EVENT__HAVE_SYS_SELECT_H
 #include <sys/select.h>
 #endif
 #include <sys/queue.h>
@@ -50,7 +59,7 @@
 #include "log-internal.h"
 #include "evmap-internal.h"
 
-#ifndef _EVENT_HAVE_FD_MASK
+#ifndef EVENT__HAVE_FD_MASK
 /* This type is mandatory, but Android doesn't define it. */
 typedef unsigned long fd_mask;
 #endif
@@ -110,7 +119,9 @@
 		return (NULL);
 	}
 
-	evsig_init(base);
+	evsig_init_(base);
+
+	evutil_weakrand_seed_(&base->weakrand_seed, 0);
 
 	return (sop);
 }
@@ -177,7 +188,7 @@
 	event_debug(("%s: select reports %d", __func__, res));
 
 	check_selectop(sop);
-	i = random() % nfds;
+	i = evutil_weakrand_range_(&base->weakrand_seed, nfds);
 	for (j = 0; j < nfds; ++j) {
 		if (++i >= nfds)
 			i = 0;
@@ -190,7 +201,7 @@
 		if (res == 0)
 			continue;
 
-		evmap_io_active(base, i, res);
+		evmap_io_active_(base, i, res);
 	}
 	check_selectop(sop);
 
@@ -327,7 +338,9 @@
 static void
 select_dealloc(struct event_base *base)
 {
-	evsig_dealloc(base);
+	evsig_dealloc_(base);
 
 	select_free_selectop(base->evbase);
 }
+
+#endif /* EVENT__HAVE_SELECT */
diff --git a/signal.c b/signal.c
index 423f12a..3f46295 100644
--- a/signal.c
+++ b/signal.c
@@ -27,30 +27,31 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <winsock2.h>
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 #endif
 #include <sys/types.h>
-#ifdef _EVENT_HAVE_SYS_TIME_H
+#ifdef EVENT__HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
 #include <sys/queue.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef _EVENT_HAVE_UNISTD_H
+#ifdef EVENT__HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <errno.h>
-#ifdef _EVENT_HAVE_FCNTL_H
+#ifdef EVENT__HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
 
@@ -81,7 +82,7 @@
   on Linux do a reasonable thing using signalfd.
 */
 
-#ifndef WIN32
+#ifndef _WIN32
 /* Windows wants us to call our signal handlers as __cdecl.  Nobody else
  * expects you to do anything crazy like this. */
 #define __cdecl
@@ -100,7 +101,7 @@
 	0, 0, 0
 };
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 /* Lock for evsig_base and evsig_base_n_signals_added fields. */
 static void *evsig_base_lock = NULL;
 #endif
@@ -116,12 +117,12 @@
 #define EVSIGBASE_UNLOCK() EVLOCK_UNLOCK(evsig_base_lock, 0)
 
 void
-evsig_set_base(struct event_base *base)
+evsig_set_base_(struct event_base *base)
 {
 	EVSIGBASE_LOCK();
 	evsig_base = base;
 	evsig_base_n_signals_added = base->sig.ev_n_signals_added;
-	evsig_base_fd = base->sig.ev_signal_pair[0];
+	evsig_base_fd = base->sig.ev_signal_pair[1];
 	EVSIGBASE_UNLOCK();
 }
 
@@ -140,7 +141,11 @@
 	memset(&ncaught, 0, sizeof(ncaught));
 
 	while (1) {
+#ifdef _WIN32
 		n = recv(fd, signals, sizeof(signals), 0);
+#else
+		n = read(fd, signals, sizeof(signals));
+#endif
 		if (n == -1) {
 			int err = evutil_socket_geterror(fd);
 			if (! EVUTIL_ERR_RW_RETRIABLE(err))
@@ -160,22 +165,21 @@
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
 	for (i = 0; i < NSIG; ++i) {
 		if (ncaught[i])
-			evmap_signal_active(base, i, ncaught[i]);
+			evmap_signal_active_(base, i, ncaught[i]);
 	}
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 }
 
 int
-evsig_init(struct event_base *base)
+evsig_init_(struct event_base *base)
 {
 	/*
 	 * Our signal handler is going to write to one end of the socket
 	 * pair to wake up our event loop.  The event loop then scans for
 	 * signals that got delivered.
 	 */
-	if (evutil_socketpair(
-		    AF_UNIX, SOCK_STREAM, 0, base->sig.ev_signal_pair) == -1) {
-#ifdef WIN32
+	if (evutil_make_internal_pipe_(base->sig.ev_signal_pair) == -1) {
+#ifdef _WIN32
 		/* Make this nonfatal on win32, where sometimes people
 		   have localhost firewalled. */
 		event_sock_warn(-1, "%s: socketpair", __func__);
@@ -185,15 +189,13 @@
 		return -1;
 	}
 
-	evutil_make_socket_closeonexec(base->sig.ev_signal_pair[0]);
-	evutil_make_socket_closeonexec(base->sig.ev_signal_pair[1]);
+	if (base->sig.sh_old) {
+		mm_free(base->sig.sh_old);
+	}
 	base->sig.sh_old = NULL;
 	base->sig.sh_old_max = 0;
 
-	evutil_make_socket_nonblocking(base->sig.ev_signal_pair[0]);
-	evutil_make_socket_nonblocking(base->sig.ev_signal_pair[1]);
-
-	event_assign(&base->sig.ev_signal, base, base->sig.ev_signal_pair[1],
+	event_assign(&base->sig.ev_signal, base, base->sig.ev_signal_pair[0],
 		EV_READ | EV_PERSIST, evsig_cb, base);
 
 	base->sig.ev_signal.ev_flags |= EVLIST_INTERNAL;
@@ -207,10 +209,10 @@
 /* Helper: set the signal handler for evsignal to handler in base, so that
  * we can restore the original handler when we clear the current one. */
 int
-_evsig_set_handler(struct event_base *base,
+evsig_set_handler_(struct event_base *base,
     int evsignal, void (__cdecl *handler)(int))
 {
-#ifdef _EVENT_HAVE_SIGACTION
+#ifdef EVENT__HAVE_SIGACTION
 	struct sigaction sa;
 #else
 	ev_sighandler_t sh;
@@ -247,7 +249,7 @@
 	}
 
 	/* save previous handler and setup new handler */
-#ifdef _EVENT_HAVE_SIGACTION
+#ifdef EVENT__HAVE_SIGACTION
 	memset(&sa, 0, sizeof(sa));
 	sa.sa_handler = handler;
 	sa.sa_flags |= SA_RESTART;
@@ -293,17 +295,17 @@
 	}
 	evsig_base = base;
 	evsig_base_n_signals_added = ++sig->ev_n_signals_added;
-	evsig_base_fd = base->sig.ev_signal_pair[0];
+	evsig_base_fd = base->sig.ev_signal_pair[1];
 	EVSIGBASE_UNLOCK();
 
 	event_debug(("%s: %d: changing signal handler", __func__, (int)evsignal));
-	if (_evsig_set_handler(base, (int)evsignal, evsig_handler) == -1) {
+	if (evsig_set_handler_(base, (int)evsignal, evsig_handler) == -1) {
 		goto err;
 	}
 
 
 	if (!sig->ev_signal_added) {
-		if (event_add(&sig->ev_signal, NULL))
+		if (event_add_nolock_(&sig->ev_signal, NULL, 0))
 			goto err;
 		sig->ev_signal_added = 1;
 	}
@@ -319,20 +321,26 @@
 }
 
 int
-_evsig_restore_handler(struct event_base *base, int evsignal)
+evsig_restore_handler_(struct event_base *base, int evsignal)
 {
 	int ret = 0;
 	struct evsig_info *sig = &base->sig;
-#ifdef _EVENT_HAVE_SIGACTION
+#ifdef EVENT__HAVE_SIGACTION
 	struct sigaction *sh;
 #else
 	ev_sighandler_t *sh;
 #endif
 
+	if (evsignal >= sig->sh_old_max) {
+		/* Can't actually restore. */
+		/* XXXX.*/
+		return 0;
+	}
+
 	/* restore previous handler */
 	sh = sig->sh_old[evsignal];
 	sig->sh_old[evsignal] = NULL;
-#ifdef _EVENT_HAVE_SIGACTION
+#ifdef EVENT__HAVE_SIGACTION
 	if (sigaction(evsignal, sh, NULL) == -1) {
 		event_warn("sigaction");
 		ret = -1;
@@ -362,14 +370,14 @@
 	--base->sig.ev_n_signals_added;
 	EVSIGBASE_UNLOCK();
 
-	return (_evsig_restore_handler(base, (int)evsignal));
+	return (evsig_restore_handler_(base, (int)evsignal));
 }
 
 static void __cdecl
 evsig_handler(int sig)
 {
 	int save_errno = errno;
-#ifdef WIN32
+#ifdef _WIN32
 	int socket_errno = EVUTIL_SOCKET_ERROR();
 #endif
 	ev_uint8_t msg;
@@ -381,34 +389,41 @@
 		return;
 	}
 
-#ifndef _EVENT_HAVE_SIGACTION
+#ifndef EVENT__HAVE_SIGACTION
 	signal(sig, evsig_handler);
 #endif
 
 	/* Wake up our notification mechanism */
 	msg = sig;
+#ifdef _WIN32
 	send(evsig_base_fd, (char*)&msg, 1, 0);
+#else
+	{
+		int r = write(evsig_base_fd, (char*)&msg, 1);
+		(void)r; /* Suppress 'unused return value' and 'unused var' */
+	}
+#endif
 	errno = save_errno;
-#ifdef WIN32
+#ifdef _WIN32
 	EVUTIL_SET_SOCKET_ERROR(socket_errno);
 #endif
 }
 
 void
-evsig_dealloc(struct event_base *base)
+evsig_dealloc_(struct event_base *base)
 {
 	int i = 0;
 	if (base->sig.ev_signal_added) {
 		event_del(&base->sig.ev_signal);
 		base->sig.ev_signal_added = 0;
 	}
-	/* debug event is created in evsig_init/event_assign even when
+	/* debug event is created in evsig_init_/event_assign even when
 	 * ev_signal_added == 0, so unassign is required */
 	event_debug_unassign(&base->sig.ev_signal);
 
 	for (i = 0; i < NSIG; ++i) {
 		if (i < base->sig.sh_old_max && base->sig.sh_old[i] != NULL)
-			_evsig_restore_handler(base, i);
+			evsig_restore_handler_(base, i);
 	}
 	EVSIGBASE_LOCK();
 	if (base == evsig_base) {
@@ -435,11 +450,30 @@
 	}
 }
 
-#ifndef _EVENT_DISABLE_THREAD_SUPPORT
+static void
+evsig_free_globals_locks(void)
+{
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (evsig_base_lock != NULL) {
+		EVTHREAD_FREE_LOCK(evsig_base_lock, 0);
+		evsig_base_lock = NULL;
+	}
+#endif
+	return;
+}
+
+void
+evsig_free_globals_(void)
+{
+	evsig_free_globals_locks();
+}
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
 int
 evsig_global_setup_locks_(const int enable_locks)
 {
 	EVTHREAD_SETUP_GLOBAL_LOCK(evsig_base_lock, 0);
 	return 0;
 }
+
 #endif
diff --git a/strlcpy-internal.h b/strlcpy-internal.h
index 1968c00..cfc27ec 100644
--- a/strlcpy-internal.h
+++ b/strlcpy-internal.h
@@ -1,16 +1,17 @@
-#ifndef _STRLCPY_INTERNAL_H_
-#define _STRLCPY_INTERNAL_H_
+#ifndef STRLCPY_INTERNAL_H_INCLUDED_
+#define STRLCPY_INTERNAL_H_INCLUDED_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
 
-#ifndef _EVENT_HAVE_STRLCPY
+#ifndef EVENT__HAVE_STRLCPY
 #include <string.h>
-size_t _event_strlcpy(char *dst, const char *src, size_t siz);
-#define strlcpy _event_strlcpy
+size_t event_strlcpy_(char *dst, const char *src, size_t siz);
+#define strlcpy event_strlcpy_
 #endif
 
 #ifdef __cplusplus
diff --git a/strlcpy.c b/strlcpy.c
index 11053c3..3876475 100644
--- a/strlcpy.c
+++ b/strlcpy.c
@@ -31,11 +31,12 @@
 static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
 #endif /* LIBC_SCCS and not lint */
 
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <sys/types.h>
 
-#include "event2/event-config.h"
-
-#ifndef _EVENT_HAVE_STRLCPY
+#ifndef EVENT__HAVE_STRLCPY
 #include "strlcpy-internal.h"
 
 /*
@@ -44,7 +45,7 @@
  * Returns strlen(src); if retval >= siz, truncation occurred.
  */
 size_t
-_event_strlcpy(dst, src, siz)
+event_strlcpy_(dst, src, siz)
 	char *dst;
 	const char *src;
 	size_t siz;
diff --git a/test-driver b/test-driver
new file mode 100755
index 0000000..8e575b0
--- /dev/null
+++ b/test-driver
@@ -0,0 +1,148 @@
+#! /bin/sh
+# test-driver - basic testsuite driver script.
+
+scriptversion=2013-07-13.22; # UTC
+
+# Copyright (C) 2011-2014 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+# Make unconditional expansion of undefined variables an error.  This
+# helps a lot in preventing typo-related bugs.
+set -u
+
+usage_error ()
+{
+  echo "$0: $*" >&2
+  print_usage >&2
+  exit 2
+}
+
+print_usage ()
+{
+  cat <<END
+Usage:
+  test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
+              [--expect-failure={yes|no}] [--color-tests={yes|no}]
+              [--enable-hard-errors={yes|no}] [--]
+              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+END
+}
+
+test_name= # Used for reporting.
+log_file=  # Where to save the output of the test script.
+trs_file=  # Where to save the metadata of the test run.
+expect_failure=no
+color_tests=no
+enable_hard_errors=yes
+while test $# -gt 0; do
+  case $1 in
+  --help) print_usage; exit $?;;
+  --version) echo "test-driver $scriptversion"; exit $?;;
+  --test-name) test_name=$2; shift;;
+  --log-file) log_file=$2; shift;;
+  --trs-file) trs_file=$2; shift;;
+  --color-tests) color_tests=$2; shift;;
+  --expect-failure) expect_failure=$2; shift;;
+  --enable-hard-errors) enable_hard_errors=$2; shift;;
+  --) shift; break;;
+  -*) usage_error "invalid option: '$1'";;
+   *) break;;
+  esac
+  shift
+done
+
+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+  usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+  usage_error "missing argument"
+fi
+
+if test $color_tests = yes; then
+  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
+  red='[0;31m' # Red.
+  grn='[0;32m' # Green.
+  lgn='[1;32m' # Light green.
+  blu='[1;34m' # Blue.
+  mgn='[0;35m' # Magenta.
+  std='[m'     # No color.
+else
+  red= grn= lgn= blu= mgn= std=
+fi
+
+do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
+trap "st=129; $do_exit" 1
+trap "st=130; $do_exit" 2
+trap "st=141; $do_exit" 13
+trap "st=143; $do_exit" 15
+
+# Test script is run here.
+"$@" >$log_file 2>&1
+estatus=$?
+
+if test $enable_hard_errors = no && test $estatus -eq 99; then
+  tweaked_estatus=1
+else
+  tweaked_estatus=$estatus
+fi
+
+case $tweaked_estatus:$expect_failure in
+  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
+  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
+  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
+  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
+esac
+
+# Report the test outcome and exit status in the logs, so that one can
+# know whether the test passed or failed simply by looking at the '.log'
+# file, without the need of also peaking into the corresponding '.trs'
+# file (automake bug#11814).
+echo "$res $test_name (exit status: $estatus)" >>$log_file
+
+# Report outcome to console.
+echo "${col}${res}${std}: $test_name"
+
+# Register the test result, and other relevant metadata.
+echo ":test-result: $res" > $trs_file
+echo ":global-test-result: $res" >> $trs_file
+echo ":recheck: $recheck" >> $trs_file
+echo ":copy-in-global-log: $gcopy" >> $trs_file
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/test/Makefile.nmake b/test/Makefile.nmake
new file mode 100644
index 0000000..30c3eb7
--- /dev/null
+++ b/test/Makefile.nmake
@@ -0,0 +1,79 @@
+# WATCH OUT!  This makefile is a work in progress.             -*- makefile -*-
+
+!IFDEF OPENSSL_DIR
+SSL_CFLAGS=/I$(OPENSSL_DIR)\include /DEVENT__HAVE_OPENSSL
+SSL_OBJS=regress_ssl.obj
+SSL_LIBS=..\libevent_openssl.lib $(OPENSSL_DIR)\lib\libeay32.lib $(OPENSSL_DIR)\lib\ssleay32.lib gdi32.lib User32.lib
+!ELSE
+SSL_CFLAGS=
+SSL_OBJS=
+SSL_LIBS=
+!ENDIF
+
+CFLAGS=/I.. /I../WIN32-Code /I../WIN32-Code/nmake /I../include /I../compat /DHAVE_CONFIG_H /DTINYTEST_LOCAL $(SSL_CFLAGS)
+
+CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo
+
+REGRESS_OBJS=regress.obj regress_buffer.obj regress_http.obj regress_dns.obj \
+	regress_testutils.obj \
+        regress_rpc.obj regress.gen.obj \
+	regress_et.obj regress_bufferevent.obj \
+	regress_listener.obj regress_util.obj tinytest.obj \
+	regress_main.obj regress_minheap.obj regress_iocp.obj \
+	regress_thread.obj regress_finalize.obj $(SSL_OBJS)
+
+OTHER_OBJS=test-init.obj test-eof.obj test-closed.obj test-weof.obj test-time.obj \
+	bench.obj bench_cascade.obj bench_http.obj bench_httpclient.obj \
+	test-changelist.obj \
+	print-winsock-errors.obj
+
+PROGRAMS=regress.exe \
+	test-init.exe test-eof.exe test-closed.exe test-weof.exe test-time.exe \
+	test-changelist.exe \
+	print-winsock-errors.exe
+
+# Disabled for now:
+#	bench.exe bench_cascade.exe bench_http.exe bench_httpclient.exe
+
+
+LIBS=..\libevent.lib ws2_32.lib shell32.lib advapi32.lib
+
+all: $(PROGRAMS)
+
+regress.exe: $(REGRESS_OBJS)
+	$(CC) $(CFLAGS) $(LIBS) $(SSL_LIBS) $(REGRESS_OBJS)
+
+test-init.exe: test-init.obj
+	$(CC) $(CFLAGS) $(LIBS) test-init.obj
+test-eof.exe: test-eof.obj
+	$(CC) $(CFLAGS) $(LIBS) test-eof.obj
+test-closed.exe: test-closed.obj
+	$(CC) $(CFLAGS) $(LIBS) test-closed.obj
+test-changelist.exe: test-changelist.obj
+	$(CC) $(CFLAGS) $(LIBS) test-changelist.obj
+test-weof.exe: test-weof.obj
+	$(CC) $(CFLAGS) $(LIBS) test-weof.obj
+test-time.exe: test-time.obj
+	$(CC) $(CFLAGS) $(LIBS) test-time.obj
+
+print-winsock-errors.exe: print-winsock-errors.obj
+	$(CC) $(CFLAGS) $(LIBS) print-winsock-errors.obj
+
+bench.exe: bench.obj
+	$(CC) $(CFLAGS) $(LIBS) bench.obj
+bench_cascade.exe: bench_cascade.obj
+	$(CC) $(CFLAGS) $(LIBS) bench_cascade.obj
+bench_http.exe: bench_http.obj
+	$(CC) $(CFLAGS) $(LIBS) bench_http.obj
+bench_httpclient.exe: bench_httpclient.obj
+	$(CC) $(CFLAGS) $(LIBS) bench_httpclient.obj
+
+regress.gen.c regress.gen.h: regress.rpc ../event_rpcgen.py
+	echo // > regress.gen.c
+	echo #define NO_PYTHON_EXISTS > regress.gen.h
+	-python ..\event_rpcgen.py regress.rpc
+
+clean:
+	-del $(REGRESS_OBJS)
+	-del $(OTHER_OBJS)
+	-del $(PROGRAMS)
diff --git a/test/bench.c b/test/bench.c
new file mode 100644
index 0000000..214479c
--- /dev/null
+++ b/test/bench.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ * Mon 03/10/2003 - Modified by Davide Libenzi <davidel@xmailserver.org>
+ *
+ *     Added chain event propagation to improve the sensitivity of
+ *     the measure respect to the event loop efficency.
+ *
+ *
+ */
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#else
+#include <sys/socket.h>
+#include <signal.h>
+#include <sys/resource.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef EVENT__HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <errno.h>
+
+#ifdef _WIN32
+#include <getopt.h>
+#endif
+
+#include <event.h>
+#include <evutil.h>
+
+static int count, writes, fired, failures;
+static evutil_socket_t *pipes;
+static int num_pipes, num_active, num_writes;
+static struct event *events;
+
+
+static void
+read_cb(evutil_socket_t fd, short which, void *arg)
+{
+	ev_intptr_t idx = (ev_intptr_t) arg, widx = idx + 1;
+	unsigned char ch;
+	ev_ssize_t n;
+
+	n = recv(fd, (char*)&ch, sizeof(ch), 0);
+	if (n >= 0)
+		count += n;
+	else
+		failures++;
+	if (writes) {
+		if (widx >= num_pipes)
+			widx -= num_pipes;
+		n = send(pipes[2 * widx + 1], "e", 1, 0);
+		if (n != 1)
+			failures++;
+		writes--;
+		fired++;
+	}
+}
+
+static struct timeval *
+run_once(void)
+{
+	evutil_socket_t *cp, space;
+	long i;
+	static struct timeval ts, te;
+
+	for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) {
+		if (event_initialized(&events[i]))
+			event_del(&events[i]);
+		event_set(&events[i], cp[0], EV_READ | EV_PERSIST, read_cb, (void *)(ev_intptr_t) i);
+		event_add(&events[i], NULL);
+	}
+
+	event_loop(EVLOOP_ONCE | EVLOOP_NONBLOCK);
+
+	fired = 0;
+	space = num_pipes / num_active;
+	space = space * 2;
+	for (i = 0; i < num_active; i++, fired++)
+		(void) send(pipes[i * space + 1], "e", 1, 0);
+
+	count = 0;
+	writes = num_writes;
+	{ int xcount = 0;
+	evutil_gettimeofday(&ts, NULL);
+	do {
+		event_loop(EVLOOP_ONCE | EVLOOP_NONBLOCK);
+		xcount++;
+	} while (count != fired);
+	evutil_gettimeofday(&te, NULL);
+
+	if (xcount != count) fprintf(stderr, "Xcount: %d, Rcount: %d\n", xcount, count);
+	}
+
+	evutil_timersub(&te, &ts, &te);
+
+	return (&te);
+}
+
+int
+main(int argc, char **argv)
+{
+#ifdef HAVE_SETRLIMIT 
+	struct rlimit rl;
+#endif
+	int i, c;
+	struct timeval *tv;
+	evutil_socket_t *cp;
+
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#endif
+	num_pipes = 100;
+	num_active = 1;
+	num_writes = num_pipes;
+	while ((c = getopt(argc, argv, "n:a:w:")) != -1) {
+		switch (c) {
+		case 'n':
+			num_pipes = atoi(optarg);
+			break;
+		case 'a':
+			num_active = atoi(optarg);
+			break;
+		case 'w':
+			num_writes = atoi(optarg);
+			break;
+		default:
+			fprintf(stderr, "Illegal argument \"%c\"\n", c);
+			exit(1);
+		}
+	}
+
+#ifdef HAVE_SETRLIMIT
+	rl.rlim_cur = rl.rlim_max = num_pipes * 2 + 50;
+	if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+		perror("setrlimit");
+		exit(1);
+	}
+#endif
+
+	events = calloc(num_pipes, sizeof(struct event));
+	pipes = calloc(num_pipes * 2, sizeof(evutil_socket_t));
+	if (events == NULL || pipes == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+
+	event_init();
+
+	for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) {
+#ifdef USE_PIPES
+		if (pipe(cp) == -1) {
+#else
+		if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, cp) == -1) {
+#endif
+			perror("pipe");
+			exit(1);
+		}
+	}
+
+	for (i = 0; i < 25; i++) {
+		tv = run_once();
+		if (tv == NULL)
+			exit(1);
+		fprintf(stdout, "%ld\n",
+			tv->tv_sec * 1000000L + tv->tv_usec);
+	}
+
+	exit(0);
+}
diff --git a/test/bench_cascade.c b/test/bench_cascade.c
new file mode 100644
index 0000000..2d85cc1
--- /dev/null
+++ b/test/bench_cascade.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#else
+#include <sys/socket.h>
+#include <sys/resource.h>
+#endif
+#include <signal.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef EVENT__HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <errno.h>
+#include <getopt.h>
+#include <event.h>
+#include <evutil.h>
+
+/*
+ * This benchmark tests how quickly we can propagate a write down a chain
+ * of socket pairs.  We start by writing to the first socket pair and all
+ * events will fire subsequently until the last socket pair has been reached
+ * and the benchmark terminates.
+ */
+
+static int fired;
+static evutil_socket_t *pipes;
+static struct event *events;
+
+static void
+read_cb(evutil_socket_t fd, short which, void *arg)
+{
+	char ch;
+	evutil_socket_t sock = (evutil_socket_t)(ev_intptr_t)arg;
+
+	(void) recv(fd, &ch, sizeof(ch), 0);
+	if (sock >= 0) {
+		if (send(sock, "e", 1, 0) < 0)
+			perror("send");
+	}
+	fired++;
+}
+
+static struct timeval *
+run_once(int num_pipes)
+{
+	int i;
+	evutil_socket_t *cp;
+	static struct timeval ts, te, tv_timeout;
+
+	events = (struct event *)calloc(num_pipes, sizeof(struct event));
+	pipes = (evutil_socket_t *)calloc(num_pipes * 2, sizeof(evutil_socket_t));
+
+	if (events == NULL || pipes == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+
+	for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) {
+		if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, cp) == -1) {
+			perror("socketpair");
+			exit(1);
+		}
+	}
+
+	/* measurements includes event setup */
+	evutil_gettimeofday(&ts, NULL);
+
+	/* provide a default timeout for events */
+	evutil_timerclear(&tv_timeout);
+	tv_timeout.tv_sec = 60;
+
+	for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) {
+		evutil_socket_t fd = i < num_pipes - 1 ? cp[3] : -1;
+		event_set(&events[i], cp[0], EV_READ, read_cb,
+		    (void *)(ev_intptr_t)fd);
+		event_add(&events[i], &tv_timeout);
+	}
+
+	fired = 0;
+
+	/* kick everything off with a single write */
+	if (send(pipes[1], "e", 1, 0) < 0)
+		perror("send");
+
+	event_dispatch();
+
+	evutil_gettimeofday(&te, NULL);
+	evutil_timersub(&te, &ts, &te);
+
+	for (cp = pipes, i = 0; i < num_pipes; i++, cp += 2) {
+		event_del(&events[i]);
+		evutil_closesocket(cp[0]);
+		evutil_closesocket(cp[1]);
+	}
+
+	free(pipes);
+	free(events);
+
+	return (&te);
+}
+
+int
+main(int argc, char **argv)
+{
+#ifdef HAVE_SETRLIMIT
+	struct rlimit rl;
+#endif
+	int i, c;
+	struct timeval *tv;
+
+	int num_pipes = 100;
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#endif
+
+	while ((c = getopt(argc, argv, "n:")) != -1) {
+		switch (c) {
+		case 'n':
+			num_pipes = atoi(optarg);
+			break;
+		default:
+			fprintf(stderr, "Illegal argument \"%c\"\n", c);
+			exit(1);
+		}
+	}
+
+#ifdef HAVE_SETRLIMIT 
+	rl.rlim_cur = rl.rlim_max = num_pipes * 2 + 50;
+	if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+		perror("setrlimit");
+		exit(1);
+	}
+#endif
+
+	event_init();
+
+	for (i = 0; i < 25; i++) {
+		tv = run_once(num_pipes);
+		if (tv == NULL)
+			exit(1);
+		fprintf(stdout, "%ld\n",
+			tv->tv_sec * 1000000L + tv->tv_usec);
+	}
+
+#ifdef _WIN32
+	WSACleanup();
+#endif
+
+	exit(0);
+}
diff --git a/test/bench_http.c b/test/bench_http.c
new file mode 100644
index 0000000..d20d3bc
--- /dev/null
+++ b/test/bench_http.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2008-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <sys/socket.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/buffer.h"
+#include "event2/util.h"
+#include "event2/http.h"
+#include "event2/thread.h"
+
+static void http_basic_cb(struct evhttp_request *req, void *arg);
+
+static char *content;
+static size_t content_len = 0;
+
+static void
+http_basic_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+
+	evbuffer_add(evb, content, content_len);
+
+	/* allow sending of an empty reply */
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+
+	evbuffer_free(evb);
+}
+
+#if LIBEVENT_VERSION_NUMBER >= 0x02000200
+static void
+http_ref_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+
+	evbuffer_add_reference(evb, content, content_len, NULL, NULL);
+
+	/* allow sending of an empty reply */
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+
+	evbuffer_free(evb);
+}
+#endif
+
+int
+main(int argc, char **argv)
+{
+	struct event_config *cfg = event_config_new();
+	struct event_base *base;
+	struct evhttp *http;
+	int i;
+	int c;
+	int use_iocp = 0;
+	ev_uint16_t port = 8080;
+	char *endptr = NULL;
+
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#else
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+		return (1);
+#endif
+
+	for (i = 1; i < argc; ++i) {
+		if (*argv[i] != '-')
+			continue;
+
+		c = argv[i][1];
+
+		if ((c == 'p' || c == 'l') && i + 1 >= argc) {
+			fprintf(stderr, "-%c requires argument.\n", c);
+			exit(1);
+		}
+
+		switch (c) {
+		case 'p':
+			if (i+1 >= argc || !argv[i+1]) {
+				fprintf(stderr, "Missing port\n");
+				exit(1);
+			}
+			port = (int)strtol(argv[i+1], &endptr, 10);
+			if (*endptr != '\0') {
+				fprintf(stderr, "Bad port\n");
+				exit(1);
+			}
+			break;
+		case 'l':
+			if (i+1 >= argc || !argv[i+1]) {
+				fprintf(stderr, "Missing content length\n");
+				exit(1);
+			}
+			content_len = (size_t)strtol(argv[i+1], &endptr, 10);
+			if (*endptr != '\0' || content_len == 0) {
+				fprintf(stderr, "Bad content length\n");
+				exit(1);
+			}
+			break;
+#ifdef _WIN32
+		case 'i':
+			use_iocp = 1;
+#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
+			evthread_use_windows_threads();
+#endif
+			event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP);
+			break;
+#endif
+		default:
+			fprintf(stderr, "Illegal argument \"%c\"\n", c);
+			exit(1);
+		}
+	}
+
+	base = event_base_new_with_config(cfg);
+	if (!base) {
+		fprintf(stderr, "creating event_base failed. Exiting.\n");
+		return 1;
+	}
+
+	http = evhttp_new(base);
+
+	content = malloc(content_len);
+	if (content == NULL) {
+		fprintf(stderr, "Cannot allocate content\n");
+		exit(1);
+	} else {
+		int i = 0;
+		for (i = 0; i < (int)content_len; ++i)
+			content[i] = (i & 255);
+	}
+
+	evhttp_set_cb(http, "/ind", http_basic_cb, NULL);
+	fprintf(stderr, "/ind - basic content (memory copy)\n");
+
+	evhttp_set_cb(http, "/ref", http_ref_cb, NULL);
+	fprintf(stderr, "/ref - basic content (reference)\n");
+
+	fprintf(stderr, "Serving %d bytes on port %d using %s\n",
+	    (int)content_len, port,
+	    use_iocp? "IOCP" : event_base_get_method(base));
+
+	evhttp_bind_socket(http, "0.0.0.0", port);
+
+#ifdef _WIN32
+	if (use_iocp) {
+		struct timeval tv={99999999,0};
+		event_base_loopexit(base, &tv);
+	}
+#endif
+	event_base_dispatch(base);
+
+#ifdef _WIN32
+	WSACleanup();
+#endif
+
+	/* NOTREACHED */
+	return (0);
+}
diff --git a/test/bench_httpclient.c b/test/bench_httpclient.c
new file mode 100644
index 0000000..e159295
--- /dev/null
+++ b/test/bench_httpclient.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* for EVUTIL_ERR_CONNECT_RETRIABLE macro */
+#include "util-internal.h"
+
+#include <sys/types.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+# ifdef _XOPEN_SOURCE_EXTENDED
+#  include <arpa/inet.h>
+# endif
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/bufferevent.h"
+#include "event2/buffer.h"
+#include "event2/util.h"
+
+const char *resource = NULL;
+struct event_base *base = NULL;
+
+int total_n_handled = 0;
+int total_n_errors = 0;
+int total_n_launched = 0;
+size_t total_n_bytes = 0;
+struct timeval total_time = {0,0};
+int n_errors = 0;
+
+const int PARALLELISM = 200;
+const int N_REQUESTS = 20000;
+
+struct request_info {
+	size_t n_read;
+	struct timeval started;
+};
+
+static int launch_request(void);
+static void readcb(struct bufferevent *b, void *arg);
+static void errorcb(struct bufferevent *b, short what, void *arg);
+
+static void
+readcb(struct bufferevent *b, void *arg)
+{
+	struct request_info *ri = arg;
+	struct evbuffer *input = bufferevent_get_input(b);
+	size_t n = evbuffer_get_length(input);
+
+	ri->n_read += n;
+	evbuffer_drain(input, n);
+}
+
+static void
+errorcb(struct bufferevent *b, short what, void *arg)
+{
+	struct request_info *ri = arg;
+	struct timeval now, diff;
+	if (what & BEV_EVENT_EOF) {
+		++total_n_handled;
+		total_n_bytes += ri->n_read;
+		evutil_gettimeofday(&now, NULL);
+		evutil_timersub(&now, &ri->started, &diff);
+		evutil_timeradd(&diff, &total_time, &total_time);
+
+		if (total_n_handled && (total_n_handled%1000)==0)
+			printf("%d requests done\n",total_n_handled);
+
+		if (total_n_launched < N_REQUESTS) {
+			if (launch_request() < 0)
+				perror("Can't launch");
+		}
+	} else {
+		++total_n_errors;
+		perror("Unexpected error");
+	}
+
+	bufferevent_setcb(b, NULL, NULL, NULL, NULL);
+	free(ri);
+	bufferevent_disable(b, EV_READ|EV_WRITE);
+	bufferevent_free(b);
+}
+
+static void
+frob_socket(evutil_socket_t sock)
+{
+#ifdef HAVE_SO_LINGER
+	struct linger l;
+#endif
+	int one = 1;
+	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&one, sizeof(one))<0)
+		perror("setsockopt(SO_REUSEADDR)");
+#ifdef HAVE_SO_LINGER
+	l.l_onoff = 1;
+	l.l_linger = 0;
+	if (setsockopt(sock, SOL_SOCKET, SO_LINGER, (void*)&l, sizeof(l))<0)
+		perror("setsockopt(SO_LINGER)");
+#endif
+}
+
+static int
+launch_request(void)
+{
+	evutil_socket_t sock;
+	struct sockaddr_in sin;
+	struct bufferevent *b;
+
+	struct request_info *ri;
+
+	memset(&sin, 0, sizeof(sin));
+
+	++total_n_launched;
+
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001);
+	sin.sin_port = htons(8080);
+	if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		return -1;
+	if (evutil_make_socket_nonblocking(sock) < 0) {
+		evutil_closesocket(sock);
+		return -1;
+	}
+	frob_socket(sock);
+	if (connect(sock, (struct sockaddr*)&sin, sizeof(sin)) < 0) {
+		int e = evutil_socket_geterror(sock);
+		if (! EVUTIL_ERR_CONNECT_RETRIABLE(e)) {
+			evutil_closesocket(sock);
+			return -1;
+		}
+	}
+
+	ri = malloc(sizeof(*ri));
+	ri->n_read = 0;
+	evutil_gettimeofday(&ri->started, NULL);
+
+	b = bufferevent_socket_new(base, sock, BEV_OPT_CLOSE_ON_FREE);
+
+	bufferevent_setcb(b, readcb, NULL, errorcb, ri);
+	bufferevent_enable(b, EV_READ|EV_WRITE);
+
+	evbuffer_add_printf(bufferevent_get_output(b),
+	    "GET %s HTTP/1.0\r\n\r\n", resource);
+
+	return 0;
+}
+
+
+int
+main(int argc, char **argv)
+{
+	int i;
+	struct timeval start, end, total;
+	long long usec;
+	double throughput;
+
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#endif
+
+	resource = "/ref";
+
+	setvbuf(stdout, NULL, _IONBF, 0);
+
+	base = event_base_new();
+
+	for (i=0; i < PARALLELISM; ++i) {
+		if (launch_request() < 0)
+			perror("launch");
+	}
+
+	evutil_gettimeofday(&start, NULL);
+
+	event_base_dispatch(base);
+
+	evutil_gettimeofday(&end, NULL);
+	evutil_timersub(&end, &start, &total);
+	usec = total_time.tv_sec * (long long)1000000 + total_time.tv_usec;
+
+	if (!total_n_handled) {
+		puts("Nothing worked.  You probably did something dumb.");
+		return 0;
+	}
+
+
+	throughput = total_n_handled /
+	    (total.tv_sec+ ((double)total.tv_usec)/1000000.0);
+
+#ifdef _WIN32
+#define I64_FMT "%I64d"
+#define I64_TYP __int64
+#else
+#define I64_FMT "%lld"
+#define I64_TYP long long int
+#endif
+
+	printf("\n%d requests in %d.%06d sec. (%.2f throughput)\n"
+	    "Each took about %.02f msec latency\n"
+	    I64_FMT "bytes read. %d errors.\n",
+	    total_n_handled,
+	    (int)total.tv_sec, (int)total.tv_usec,
+	    throughput,
+	    (double)(usec/1000) / total_n_handled,
+	    (I64_TYP)total_n_bytes, n_errors);
+
+#ifdef _WIN32
+	WSACleanup();
+#endif
+
+	return 0;
+}
diff --git a/test/check-dumpevents.py b/test/check-dumpevents.py
new file mode 100755
index 0000000..16fe9bc
--- /dev/null
+++ b/test/check-dumpevents.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python2
+#
+# Post-process the output of test-dumpevents and check it for correctness.
+#
+
+import math
+import re
+import sys
+
+text = sys.stdin.readlines()
+
+try:
+    expect_inserted_pos = text.index("Inserted:\n")
+    expect_active_pos = text.index("Active:\n")
+    got_inserted_pos = text.index("Inserted events:\n")
+    got_active_pos = text.index("Active events:\n")
+except ValueError:
+    print >>sys.stderr, "Missing expected dividing line in dumpevents output"
+    sys.exit(1)
+
+if not (expect_inserted_pos < expect_active_pos <
+        got_inserted_pos < got_active_pos):
+    print >>sys.stderr, "Sections out of order in dumpevents output"
+    sys.exit(1)
+
+now,T= text[1].split()
+T = float(T)
+
+want_inserted = set(text[expect_inserted_pos+1:expect_active_pos])
+want_active = set(text[expect_active_pos+1:got_inserted_pos-1])
+got_inserted = set(text[got_inserted_pos+1:got_active_pos])
+got_active = set(text[got_active_pos+1:])
+
+pat = re.compile(r'Timeout=([0-9\.]+)')
+def replace_time(m):
+    t = float(m.group(1))
+    if .9 < abs(t-T) < 1.1:
+        return "Timeout=T+1"
+    elif 2.4 < abs(t-T) < 2.6:
+        return "Timeout=T+2.5"
+    else:
+        return m.group(0)
+
+cleaned_inserted = set( pat.sub(replace_time, s) for s in got_inserted
+                        if "Internal" not in s)
+
+if cleaned_inserted != want_inserted:
+    print >>sys.stderr, "Inserted event lists were not as expected!"
+    sys.exit(1)
+
+if set(got_active) != set(want_active):
+    print >>sys.stderr, "Active event lists were not as expected!"
+    sys.exit(1)
+
diff --git a/test/include.am b/test/include.am
new file mode 100644
index 0000000..eea249f
--- /dev/null
+++ b/test/include.am
@@ -0,0 +1,175 @@
+# test/Makefile.am for libevent
+# Copyright 2000-2007 Niels Provos
+# Copyright 2007-2012 Niels Provos and Nick Mathewson
+#
+# See LICENSE for copying information.
+
+regress_CPPFLAGS = -DTINYTEST_LOCAL
+
+EXTRA_DIST+=					\
+	test/check-dumpevents.py		\
+	test/regress.gen.c			\
+	test/regress.gen.h				\
+	test/regress.rpc				\
+	test/rpcgen_wrapper.sh			\
+	test/test.sh
+
+TESTPROGRAMS = \
+	test/bench					\
+	test/bench_cascade				\
+	test/bench_http				\
+	test/bench_httpclient			\
+	test/test-changelist				\
+	test/test-dumpevents				\
+	test/test-eof				\
+	test/test-closed				\
+	test/test-fdleak				\
+	test/test-init				\
+	test/test-ratelim				\
+	test/test-time				\
+	test/test-weof \
+	test/regress
+
+if BUILD_REGRESS
+noinst_PROGRAMS += $(TESTPROGRAMS)
+EXTRA_PROGRAMS+= test/regress
+endif
+
+noinst_HEADERS+=				\
+	test/regress.h				\
+	test/regress_thread.h			\
+	test/tinytest.h				\
+	test/tinytest_local.h			\
+	test/tinytest_macros.h
+
+TESTS = \
+	test_runner_epoll \
+	test_runner_select \
+	test_runner_kqueue \
+	test_runner_evport \
+	test_runner_devpoll \
+	test_runner_poll \
+	test_runner_win32 \
+	test_runner_timerfd \
+	test_runner_changelist \
+	test_runner_timerfd_changelist
+LOG_COMPILER = true
+TESTS_COMPILER = true
+
+test_runner_epoll: test/test.sh
+	test/test.sh -b EPOLL
+test_runner_select: test/test.sh
+	test/test.sh -b SELECT
+test_runner_kqueue: test/test.sh
+	test/test.sh -b KQUEUE
+test_runner_evport: test/test.sh
+	test/test.sh -b EVPORT
+test_runner_devpoll: test/test.sh
+	test/test.sh -b DEVPOLL
+test_runner_poll: test/test.sh
+	test/test.sh -b POLL
+test_runner_win32: test/test.sh
+	test/test.sh -b WIN32
+test_runner_timerfd: test/test.sh
+	test/test.sh -b "" -t
+test_runner_changelist: test/test.sh
+	test/test.sh -b "" -c
+test_runner_timerfd_changelist: test/test.sh
+	test/test.sh -b "" -T
+
+DISTCLEANFILES += test/regress.gen.c test/regress.gen.h
+
+if BUILD_REGRESS
+BUILT_SOURCES += test/regress.gen.c test/regress.gen.h
+endif
+
+test_test_init_SOURCES = test/test-init.c
+test_test_init_LDADD = libevent_core.la
+test_test_dumpevents_SOURCES = test/test-dumpevents.c
+test_test_dumpevents_LDADD = libevent_core.la
+test_test_eof_SOURCES = test/test-eof.c
+test_test_eof_LDADD = libevent_core.la
+test_test_closed_SOURCES = test/test-closed.c
+test_test_closed_LDADD = libevent_core.la
+test_test_changelist_SOURCES = test/test-changelist.c
+test_test_changelist_LDADD = libevent_core.la
+test_test_weof_SOURCES = test/test-weof.c
+test_test_weof_LDADD = libevent_core.la
+test_test_time_SOURCES = test/test-time.c
+test_test_time_LDADD = libevent_core.la
+test_test_ratelim_SOURCES = test/test-ratelim.c
+test_test_ratelim_LDADD = libevent_core.la -lm
+test_test_fdleak_SOURCES = test/test-fdleak.c
+test_test_fdleak_LDADD = libevent_core.la
+
+test_regress_SOURCES = 				\
+	test/regress.c				\
+	test/regress.gen.c				\
+	test/regress.gen.h				\
+	test/regress_buffer.c			\
+	test/regress_bufferevent.c			\
+	test/regress_dns.c				\
+	test/regress_et.c				\
+	test/regress_finalize.c				\
+	test/regress_http.c				\
+	test/regress_listener.c			\
+	test/regress_main.c				\
+	test/regress_minheap.c			\
+	test/regress_rpc.c				\
+	test/regress_testutils.c			\
+	test/regress_testutils.h			\
+	test/regress_util.c				\
+	test/tinytest.c				\
+	$(regress_thread_SOURCES)		\
+	$(regress_zlib_SOURCES)
+
+if PTHREADS
+regress_thread_SOURCES = test/regress_thread.c
+PTHREAD_LIBS += libevent_pthreads.la
+endif
+if BUILD_WIN32
+if THREADS
+regress_thread_SOURCES = test/regress_thread.c
+endif
+endif
+if ZLIB_REGRESS
+regress_zlib_SOURCES = test/regress_zlib.c
+endif
+if BUILD_WIN32
+test_regress_SOURCES += test/regress_iocp.c
+endif
+
+test_regress_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la $(PTHREAD_LIBS) $(ZLIB_LIBS)
+test_regress_CPPFLAGS = $(AM_CPPFLAGS) $(PTHREAD_CFLAGS) $(ZLIB_CFLAGS) -Itest
+test_regress_LDFLAGS = $(PTHREAD_CFLAGS)
+
+if OPENSSL
+test_regress_SOURCES += test/regress_ssl.c
+test_regress_CPPFLAGS += $(OPENSSL_INCS)
+test_regress_LDADD += libevent_openssl.la $(OPENSSL_LIBS) ${OPENSSL_LIBADD}
+endif
+
+test_bench_SOURCES = test/bench.c
+test_bench_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_cascade_SOURCES = test/bench_cascade.c
+test_bench_cascade_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_http_SOURCES = test/bench_http.c
+test_bench_http_LDADD = $(LIBEVENT_GC_SECTIONS) libevent.la
+test_bench_httpclient_SOURCES = test/bench_httpclient.c
+test_bench_httpclient_LDADD = $(LIBEVENT_GC_SECTIONS) libevent_core.la
+
+test/regress.gen.c test/regress.gen.h: test/rpcgen-attempted
+
+test/rpcgen-attempted: test/regress.rpc event_rpcgen.py test/rpcgen_wrapper.sh
+	$(AM_V_GEN)date -u > $@
+	$(AM_V_at)if $(srcdir)/test/rpcgen_wrapper.sh $(srcdir)/test; then \
+	   true; \
+	else \
+	   echo "No Python installed; stubbing out RPC test." >&2; \
+	   echo " "> test/regress.gen.c; \
+	   echo "#define NO_PYTHON_EXISTS" > test/regress.gen.h; \
+	fi
+
+CLEANFILES += test/rpcgen-attempted
+
+$(TESTPROGRAMS) : libevent.la
diff --git a/test/regress.c b/test/regress.c
new file mode 100644
index 0000000..d8a6b9b
--- /dev/null
+++ b/test/regress.c
@@ -0,0 +1,3473 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#ifdef EVENT__HAVE_PTHREADS
+#include <pthread.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include <fcntl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <ctype.h>
+
+#include "event2/event.h"
+#include "event2/event_struct.h"
+#include "event2/event_compat.h"
+#include "event2/tag.h"
+#include "event2/buffer.h"
+#include "event2/buffer_compat.h"
+#include "event2/util.h"
+#include "event-internal.h"
+#include "evthread-internal.h"
+#include "log-internal.h"
+#include "time-internal.h"
+
+#include "regress.h"
+
+#ifndef _WIN32
+#include "regress.gen.h"
+#endif
+
+evutil_socket_t pair[2];
+int test_ok;
+int called;
+struct event_base *global_base;
+
+static char wbuf[4096];
+static char rbuf[4096];
+static int woff;
+static int roff;
+static int usepersist;
+static struct timeval tset;
+static struct timeval tcalled;
+
+
+#define TEST1	"this is a test"
+
+#ifdef _WIN32
+#define write(fd,buf,len) send((fd),(buf),(int)(len),0)
+#define read(fd,buf,len) recv((fd),(buf),(int)(len),0)
+#endif
+
+struct basic_cb_args
+{
+	struct event_base *eb;
+	struct event *ev;
+	unsigned int callcount;
+};
+
+static void
+simple_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[256];
+	int len;
+
+	len = read(fd, buf, sizeof(buf));
+
+	if (len) {
+		if (!called) {
+			if (event_add(arg, NULL) == -1)
+				exit(1);
+		}
+	} else if (called == 1)
+		test_ok = 1;
+
+	called++;
+}
+
+static void
+basic_read_cb(evutil_socket_t fd, short event, void *data)
+{
+	char buf[256];
+	int len;
+	struct basic_cb_args *arg = data;
+
+	len = read(fd, buf, sizeof(buf));
+
+	if (len < 0) {
+		tt_fail_perror("read (callback)");
+	} else {
+		switch (arg->callcount++) {
+		case 0:	 /* first call: expect to read data; cycle */
+			if (len > 0)
+				return;
+
+			tt_fail_msg("EOF before data read");
+			break;
+
+		case 1:	 /* second call: expect EOF; stop */
+			if (len > 0)
+				tt_fail_msg("not all data read on first cycle");
+			break;
+
+		default:  /* third call: should not happen */
+			tt_fail_msg("too many cycles");
+		}
+	}
+
+	event_del(arg->ev);
+	event_base_loopexit(arg->eb, NULL);
+}
+
+static void
+dummy_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+}
+
+static void
+simple_write_cb(evutil_socket_t fd, short event, void *arg)
+{
+	int len;
+
+	len = write(fd, TEST1, strlen(TEST1) + 1);
+	if (len == -1)
+		test_ok = 0;
+	else
+		test_ok = 1;
+}
+
+static void
+multiple_write_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *ev = arg;
+	int len;
+
+	len = 128;
+	if (woff + len >= (int)sizeof(wbuf))
+		len = sizeof(wbuf) - woff;
+
+	len = write(fd, wbuf + woff, len);
+	if (len == -1) {
+		fprintf(stderr, "%s: write\n", __func__);
+		if (usepersist)
+			event_del(ev);
+		return;
+	}
+
+	woff += len;
+
+	if (woff >= (int)sizeof(wbuf)) {
+		shutdown(fd, EVUTIL_SHUT_WR);
+		if (usepersist)
+			event_del(ev);
+		return;
+	}
+
+	if (!usepersist) {
+		if (event_add(ev, NULL) == -1)
+			exit(1);
+	}
+}
+
+static void
+multiple_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *ev = arg;
+	int len;
+
+	len = read(fd, rbuf + roff, sizeof(rbuf) - roff);
+	if (len == -1)
+		fprintf(stderr, "%s: read\n", __func__);
+	if (len <= 0) {
+		if (usepersist)
+			event_del(ev);
+		return;
+	}
+
+	roff += len;
+	if (!usepersist) {
+		if (event_add(ev, NULL) == -1)
+			exit(1);
+	}
+}
+
+static void
+timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	evutil_gettimeofday(&tcalled, NULL);
+}
+
+struct both {
+	struct event ev;
+	int nread;
+};
+
+static void
+combined_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct both *both = arg;
+	char buf[128];
+	int len;
+
+	len = read(fd, buf, sizeof(buf));
+	if (len == -1)
+		fprintf(stderr, "%s: read\n", __func__);
+	if (len <= 0)
+		return;
+
+	both->nread += len;
+	if (event_add(&both->ev, NULL) == -1)
+		exit(1);
+}
+
+static void
+combined_write_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct both *both = arg;
+	char buf[128];
+	int len;
+
+	len = sizeof(buf);
+	if (len > both->nread)
+		len = both->nread;
+
+	memset(buf, 'q', len);
+
+	len = write(fd, buf, len);
+	if (len == -1)
+		fprintf(stderr, "%s: write\n", __func__);
+	if (len <= 0) {
+		shutdown(fd, EVUTIL_SHUT_WR);
+		return;
+	}
+
+	both->nread -= len;
+	if (event_add(&both->ev, NULL) == -1)
+		exit(1);
+}
+
+/* These macros used to replicate the work of the legacy test wrapper code */
+#define setup_test(x) do {						\
+	if (!in_legacy_test_wrapper) {					\
+		TT_FAIL(("Legacy test %s not wrapped properly", x));	\
+		return;							\
+	}								\
+	} while (0)
+#define cleanup_test() setup_test("cleanup")
+
+static void
+test_simpleread(void)
+{
+	struct event ev;
+
+	/* Very simple read test */
+	setup_test("Simple read: ");
+
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	event_set(&ev, pair[1], EV_READ, simple_read_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	cleanup_test();
+}
+
+static void
+test_simplewrite(void)
+{
+	struct event ev;
+
+	/* Very simple write test */
+	setup_test("Simple write: ");
+
+	event_set(&ev, pair[0], EV_WRITE, simple_write_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	cleanup_test();
+}
+
+static void
+simpleread_multiple_cb(evutil_socket_t fd, short event, void *arg)
+{
+	if (++called == 2)
+		test_ok = 1;
+}
+
+static void
+test_simpleread_multiple(void)
+{
+	struct event one, two;
+
+	/* Very simple read test */
+	setup_test("Simple read to multiple evens: ");
+
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	event_set(&one, pair[1], EV_READ, simpleread_multiple_cb, NULL);
+	if (event_add(&one, NULL) == -1)
+		exit(1);
+	event_set(&two, pair[1], EV_READ, simpleread_multiple_cb, NULL);
+	if (event_add(&two, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	cleanup_test();
+}
+
+static int have_closed = 0;
+static int premature_event = 0;
+static void
+simpleclose_close_fd_cb(evutil_socket_t s, short what, void *ptr)
+{
+	evutil_socket_t **fds = ptr;
+	TT_BLATHER(("Closing"));
+	evutil_closesocket(*fds[0]);
+	evutil_closesocket(*fds[1]);
+	*fds[0] = -1;
+	*fds[1] = -1;
+	have_closed = 1;
+}
+
+static void
+record_event_cb(evutil_socket_t s, short what, void *ptr)
+{
+	short *whatp = ptr;
+	if (!have_closed)
+		premature_event = 1;
+	*whatp = what;
+	TT_BLATHER(("Recorded %d on socket %d", (int)what, (int)s));
+}
+
+static void
+test_simpleclose(void *ptr)
+{
+	/* Test that a close of FD is detected as a read and as a write. */
+	struct event_base *base = event_base_new();
+	evutil_socket_t pair1[2]={-1,-1}, pair2[2] = {-1, -1};
+	evutil_socket_t *to_close[2];
+	struct event *rev=NULL, *wev=NULL, *closeev=NULL;
+	struct timeval tv;
+	short got_read_on_close = 0, got_write_on_close = 0;
+	char buf[1024];
+	memset(buf, 99, sizeof(buf));
+#ifdef _WIN32
+#define LOCAL_SOCKETPAIR_AF AF_INET
+#else
+#define LOCAL_SOCKETPAIR_AF AF_UNIX
+#endif
+	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair1)<0)
+		TT_DIE(("socketpair: %s", strerror(errno)));
+	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair2)<0)
+		TT_DIE(("socketpair: %s", strerror(errno)));
+	if (evutil_make_socket_nonblocking(pair1[1]) < 0)
+		TT_DIE(("make_socket_nonblocking"));
+	if (evutil_make_socket_nonblocking(pair2[1]) < 0)
+		TT_DIE(("make_socket_nonblocking"));
+
+	/** Stuff pair2[1] full of data, until write fails */
+	while (1) {
+		int r = write(pair2[1], buf, sizeof(buf));
+		if (r<0) {
+			int err = evutil_socket_geterror(pair2[1]);
+			if (! EVUTIL_ERR_RW_RETRIABLE(err))
+				TT_DIE(("write failed strangely: %s",
+					evutil_socket_error_to_string(err)));
+			break;
+		}
+	}
+	to_close[0] = &pair1[0];
+	to_close[1] = &pair2[0];
+
+	closeev = event_new(base, -1, EV_TIMEOUT, simpleclose_close_fd_cb,
+	    to_close);
+	rev = event_new(base, pair1[1], EV_READ, record_event_cb,
+	    &got_read_on_close);
+	TT_BLATHER(("Waiting for read on %d", (int)pair1[1]));
+	wev = event_new(base, pair2[1], EV_WRITE, record_event_cb,
+	    &got_write_on_close);
+	TT_BLATHER(("Waiting for write on %d", (int)pair2[1]));
+	tv.tv_sec = 0;
+	tv.tv_usec = 100*1000; /* Close pair1[0] after a little while, and make
+			       * sure we get a read event. */
+	event_add(closeev, &tv);
+	event_add(rev, NULL);
+	event_add(wev, NULL);
+	/* Don't let the test go on too long. */
+	tv.tv_sec = 0;
+	tv.tv_usec = 200*1000;
+	event_base_loopexit(base, &tv);
+	event_base_loop(base, 0);
+
+	tt_int_op(got_read_on_close, ==, EV_READ);
+	tt_int_op(got_write_on_close, ==, EV_WRITE);
+	tt_int_op(premature_event, ==, 0);
+
+end:
+	if (pair1[0] >= 0)
+		evutil_closesocket(pair1[0]);
+	if (pair1[1] >= 0)
+		evutil_closesocket(pair1[1]);
+	if (pair2[0] >= 0)
+		evutil_closesocket(pair2[0]);
+	if (pair2[1] >= 0)
+		evutil_closesocket(pair2[1]);
+	if (rev)
+		event_free(rev);
+	if (wev)
+		event_free(wev);
+	if (closeev)
+		event_free(closeev);
+	if (base)
+		event_base_free(base);
+}
+
+
+static void
+test_multiple(void)
+{
+	struct event ev, ev2;
+	int i;
+
+	/* Multiple read and write test */
+	setup_test("Multiple read/write: ");
+	memset(rbuf, 0, sizeof(rbuf));
+	for (i = 0; i < (int)sizeof(wbuf); i++)
+		wbuf[i] = i;
+
+	roff = woff = 0;
+	usepersist = 0;
+
+	event_set(&ev, pair[0], EV_WRITE, multiple_write_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+	event_set(&ev2, pair[1], EV_READ, multiple_read_cb, &ev2);
+	if (event_add(&ev2, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	if (roff == woff)
+		test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
+
+	cleanup_test();
+}
+
+static void
+test_persistent(void)
+{
+	struct event ev, ev2;
+	int i;
+
+	/* Multiple read and write test with persist */
+	setup_test("Persist read/write: ");
+	memset(rbuf, 0, sizeof(rbuf));
+	for (i = 0; i < (int)sizeof(wbuf); i++)
+		wbuf[i] = i;
+
+	roff = woff = 0;
+	usepersist = 1;
+
+	event_set(&ev, pair[0], EV_WRITE|EV_PERSIST, multiple_write_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+	event_set(&ev2, pair[1], EV_READ|EV_PERSIST, multiple_read_cb, &ev2);
+	if (event_add(&ev2, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	if (roff == woff)
+		test_ok = memcmp(rbuf, wbuf, sizeof(wbuf)) == 0;
+
+	cleanup_test();
+}
+
+static void
+test_combined(void)
+{
+	struct both r1, r2, w1, w2;
+
+	setup_test("Combined read/write: ");
+	memset(&r1, 0, sizeof(r1));
+	memset(&r2, 0, sizeof(r2));
+	memset(&w1, 0, sizeof(w1));
+	memset(&w2, 0, sizeof(w2));
+
+	w1.nread = 4096;
+	w2.nread = 8192;
+
+	event_set(&r1.ev, pair[0], EV_READ, combined_read_cb, &r1);
+	event_set(&w1.ev, pair[0], EV_WRITE, combined_write_cb, &w1);
+	event_set(&r2.ev, pair[1], EV_READ, combined_read_cb, &r2);
+	event_set(&w2.ev, pair[1], EV_WRITE, combined_write_cb, &w2);
+	tt_assert(event_add(&r1.ev, NULL) != -1);
+	tt_assert(!event_add(&w1.ev, NULL));
+	tt_assert(!event_add(&r2.ev, NULL));
+	tt_assert(!event_add(&w2.ev, NULL));
+	event_dispatch();
+
+	if (r1.nread == 8192 && r2.nread == 4096)
+		test_ok = 1;
+
+end:
+	cleanup_test();
+}
+
+static void
+test_simpletimeout(void)
+{
+	struct timeval tv;
+	struct event ev;
+
+	setup_test("Simple timeout: ");
+
+	tv.tv_usec = 200*1000;
+	tv.tv_sec = 0;
+	evutil_timerclear(&tcalled);
+	evtimer_set(&ev, timeout_cb, NULL);
+	evtimer_add(&ev, &tv);
+
+	evutil_gettimeofday(&tset, NULL);
+	event_dispatch();
+	test_timeval_diff_eq(&tset, &tcalled, 200);
+
+	test_ok = 1;
+end:
+	cleanup_test();
+}
+
+static void
+periodic_timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	int *count = arg;
+
+	(*count)++;
+	if (*count == 6) {
+		/* call loopexit only once - on slow machines(?), it is
+		 * apparently possible for this to get called twice. */
+		test_ok = 1;
+		event_base_loopexit(global_base, NULL);
+	}
+}
+
+static void
+test_persistent_timeout(void)
+{
+	struct timeval tv;
+	struct event ev;
+	int count = 0;
+
+	evutil_timerclear(&tv);
+	tv.tv_usec = 10000;
+
+	event_assign(&ev, global_base, -1, EV_TIMEOUT|EV_PERSIST,
+	    periodic_timeout_cb, &count);
+	event_add(&ev, &tv);
+
+	event_dispatch();
+
+	event_del(&ev);
+}
+
+static void
+test_persistent_timeout_jump(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event ev;
+	int count = 0;
+	struct timeval msec100 = { 0, 100 * 1000 };
+	struct timeval msec50 = { 0, 50 * 1000 };
+	struct timeval msec300 = { 0, 300 * 1000 };
+
+	event_assign(&ev, data->base, -1, EV_PERSIST, periodic_timeout_cb, &count);
+	event_add(&ev, &msec100);
+	/* Wait for a bit */
+	evutil_usleep_(&msec300);
+	event_base_loopexit(data->base, &msec50);
+	event_base_dispatch(data->base);
+	tt_int_op(count, ==, 1);
+
+end:
+	event_del(&ev);
+}
+
+struct persist_active_timeout_called {
+	int n;
+	short events[16];
+	struct timeval tvs[16];
+};
+
+static void
+activate_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *ev = arg;
+	event_active(ev, EV_READ, 1);
+}
+
+static void
+persist_active_timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct persist_active_timeout_called *c = arg;
+	if (c->n < 15) {
+		c->events[c->n] = event;
+		evutil_gettimeofday(&c->tvs[c->n], NULL);
+		++c->n;
+	}
+}
+
+static void
+test_persistent_active_timeout(void *ptr)
+{
+	struct timeval tv, tv2, tv_exit, start;
+	struct event ev;
+	struct persist_active_timeout_called res;
+
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+
+	memset(&res, 0, sizeof(res));
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 200 * 1000;
+	event_assign(&ev, base, -1, EV_TIMEOUT|EV_PERSIST,
+	    persist_active_timeout_cb, &res);
+	event_add(&ev, &tv);
+
+	tv2.tv_sec = 0;
+	tv2.tv_usec = 100 * 1000;
+	event_base_once(base, -1, EV_TIMEOUT, activate_cb, &ev, &tv2);
+
+	tv_exit.tv_sec = 0;
+	tv_exit.tv_usec = 600 * 1000;
+	event_base_loopexit(base, &tv_exit);
+
+	event_base_assert_ok_(base);
+	evutil_gettimeofday(&start, NULL);
+
+	event_base_dispatch(base);
+	event_base_assert_ok_(base);
+
+	tt_int_op(res.n, ==, 3);
+	tt_int_op(res.events[0], ==, EV_READ);
+	tt_int_op(res.events[1], ==, EV_TIMEOUT);
+	tt_int_op(res.events[2], ==, EV_TIMEOUT);
+	test_timeval_diff_eq(&start, &res.tvs[0], 100);
+	test_timeval_diff_eq(&start, &res.tvs[1], 300);
+	test_timeval_diff_eq(&start, &res.tvs[2], 500);
+end:
+	event_del(&ev);
+}
+
+struct common_timeout_info {
+	struct event ev;
+	struct timeval called_at;
+	int which;
+	int count;
+};
+
+static void
+common_timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct common_timeout_info *ti = arg;
+	++ti->count;
+	evutil_gettimeofday(&ti->called_at, NULL);
+	if (ti->count >= 4)
+		event_del(&ti->ev);
+}
+
+static void
+test_common_timeout(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+
+	struct event_base *base = data->base;
+	int i;
+	struct common_timeout_info info[100];
+
+	struct timeval start;
+	struct timeval tmp_100_ms = { 0, 100*1000 };
+	struct timeval tmp_200_ms = { 0, 200*1000 };
+	struct timeval tmp_5_sec = { 5, 0 };
+	struct timeval tmp_5M_usec = { 0, 5*1000*1000 };
+
+	const struct timeval *ms_100, *ms_200, *sec_5;
+
+	ms_100 = event_base_init_common_timeout(base, &tmp_100_ms);
+	ms_200 = event_base_init_common_timeout(base, &tmp_200_ms);
+	sec_5 = event_base_init_common_timeout(base, &tmp_5_sec);
+	tt_assert(ms_100);
+	tt_assert(ms_200);
+	tt_assert(sec_5);
+	tt_ptr_op(event_base_init_common_timeout(base, &tmp_200_ms),
+	    ==, ms_200);
+	tt_ptr_op(event_base_init_common_timeout(base, ms_200), ==, ms_200);
+	tt_ptr_op(event_base_init_common_timeout(base, &tmp_5M_usec), ==, sec_5);
+	tt_int_op(ms_100->tv_sec, ==, 0);
+	tt_int_op(ms_200->tv_sec, ==, 0);
+	tt_int_op(sec_5->tv_sec, ==, 5);
+	tt_int_op(ms_100->tv_usec, ==, 100000|0x50000000);
+	tt_int_op(ms_200->tv_usec, ==, 200000|0x50100000);
+	tt_int_op(sec_5->tv_usec, ==, 0|0x50200000);
+
+	memset(info, 0, sizeof(info));
+
+	for (i=0; i<100; ++i) {
+		info[i].which = i;
+		event_assign(&info[i].ev, base, -1, EV_TIMEOUT|EV_PERSIST,
+		    common_timeout_cb, &info[i]);
+		if (i % 2) {
+			if ((i%20)==1) {
+				/* Glass-box test: Make sure we survive the
+				 * transition to non-common timeouts. It's
+				 * a little tricky. */
+				event_add(&info[i].ev, ms_200);
+				event_add(&info[i].ev, &tmp_100_ms);
+			} else if ((i%20)==3) {
+				/* Check heap-to-common too. */
+				event_add(&info[i].ev, &tmp_200_ms);
+				event_add(&info[i].ev, ms_100);
+			} else if ((i%20)==5) {
+				/* Also check common-to-common. */
+				event_add(&info[i].ev, ms_200);
+				event_add(&info[i].ev, ms_100);
+			} else {
+				event_add(&info[i].ev, ms_100);
+			}
+		} else {
+			event_add(&info[i].ev, ms_200);
+		}
+	}
+
+	event_base_assert_ok_(base);
+	evutil_gettimeofday(&start, NULL);
+	event_base_dispatch(base);
+
+	event_base_assert_ok_(base);
+
+	for (i=0; i<10; ++i) {
+		tt_int_op(info[i].count, ==, 4);
+		if (i % 2) {
+			test_timeval_diff_eq(&start, &info[i].called_at, 400);
+		} else {
+			test_timeval_diff_eq(&start, &info[i].called_at, 800);
+		}
+	}
+
+	/* Make sure we can free the base with some events in. */
+	for (i=0; i<100; ++i) {
+		if (i % 2) {
+			event_add(&info[i].ev, ms_100);
+		} else {
+			event_add(&info[i].ev, ms_200);
+		}
+	}
+
+end:
+	event_base_free(data->base); /* need to do this here before info is
+				      * out-of-scope */
+	data->base = NULL;
+}
+
+#ifndef _WIN32
+
+#define current_base event_global_current_base_
+extern struct event_base *current_base;
+
+static void
+fork_signal_cb(evutil_socket_t fd, short events, void *arg)
+{
+	event_del(arg);
+}
+
+int child_pair[2] = { -1, -1 };
+static void
+simple_child_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[256];
+	int len;
+
+	len = read(fd, buf, sizeof(buf));
+	if (write(child_pair[0], "", 1) < 0)
+		tt_fail_perror("write");
+
+	if (len) {
+		if (!called) {
+			if (event_add(arg, NULL) == -1)
+				exit(1);
+		}
+	} else if (called == 1)
+		test_ok = 1;
+
+	called++;
+}
+static void
+test_fork(void)
+{
+	char c;
+	int status;
+	struct event ev, sig_ev, usr_ev, existing_ev;
+	pid_t pid;
+	int wait_flags = 0;
+
+#ifdef EVENT__HAVE_WAITPID_WITH_WNOWAIT
+	wait_flags |= WNOWAIT;
+#endif
+
+	setup_test("After fork: ");
+
+	{
+		if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, child_pair) == -1) {
+			fprintf(stderr, "%s: socketpair\n", __func__);
+			exit(1);
+		}
+
+		if (evutil_make_socket_nonblocking(child_pair[0]) == -1) {
+			fprintf(stderr, "fcntl(O_NONBLOCK)");
+			exit(1);
+		}
+	}
+
+	tt_assert(current_base);
+	evthread_make_base_notifiable(current_base);
+
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	event_set(&ev, pair[1], EV_READ, simple_child_read_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+
+	evsignal_set(&sig_ev, SIGCHLD, fork_signal_cb, &sig_ev);
+	evsignal_add(&sig_ev, NULL);
+
+	evsignal_set(&existing_ev, SIGUSR2, fork_signal_cb, &existing_ev);
+	evsignal_add(&existing_ev, NULL);
+
+	event_base_assert_ok_(current_base);
+	TT_BLATHER(("Before fork"));
+	if ((pid = regress_fork()) == 0) {
+		/* in the child */
+		TT_BLATHER(("In child, before reinit"));
+		event_base_assert_ok_(current_base);
+		if (event_reinit(current_base) == -1) {
+			fprintf(stdout, "FAILED (reinit)\n");
+			exit(1);
+		}
+		TT_BLATHER(("After reinit"));
+		event_base_assert_ok_(current_base);
+		TT_BLATHER(("After assert-ok"));
+
+		evsignal_del(&sig_ev);
+
+		evsignal_set(&usr_ev, SIGUSR1, fork_signal_cb, &usr_ev);
+		evsignal_add(&usr_ev, NULL);
+		raise(SIGUSR1);
+		raise(SIGUSR2);
+
+		called = 0;
+
+		event_dispatch();
+
+		event_base_free(current_base);
+
+		/* we do not send an EOF; simple_read_cb requires an EOF
+		 * to set test_ok.  we just verify that the callback was
+		 * called. */
+		exit(test_ok != 0 || called != 2 ? -2 : 76);
+	}
+
+	/** wait until client read first message */
+	if (read(child_pair[1], &c, 1) < 0) {
+		tt_fail_perror("read");
+	}
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	TT_BLATHER(("Before waitpid"));
+	if (waitpid(pid, &status, wait_flags) == -1) {
+		perror("waitpid");
+		exit(1);
+	}
+	TT_BLATHER(("After waitpid"));
+
+	if (WEXITSTATUS(status) != 76) {
+		fprintf(stdout, "FAILED (exit): %d\n", WEXITSTATUS(status));
+		exit(1);
+	}
+
+	/* test that the current event loop still works */
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		fprintf(stderr, "%s: write\n", __func__);
+	}
+
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	evsignal_set(&usr_ev, SIGUSR1, fork_signal_cb, &usr_ev);
+	evsignal_add(&usr_ev, NULL);
+	raise(SIGUSR1);
+	raise(SIGUSR2);
+
+	event_dispatch();
+
+	evsignal_del(&sig_ev);
+	tt_int_op(test_ok, ==, 1);
+
+	end:
+	cleanup_test();
+	if (child_pair[0] != -1)
+		evutil_closesocket(child_pair[0]);
+	if (child_pair[1] != -1)
+		evutil_closesocket(child_pair[1]);
+}
+
+#ifdef EVENT__HAVE_PTHREADS
+static void* del_wait_thread(void *arg)
+{
+	struct timeval tv_start, tv_end;
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_dispatch();
+	evutil_gettimeofday(&tv_end, NULL);
+
+	test_timeval_diff_eq(&tv_start, &tv_end, 300);
+
+	end:
+	return NULL;
+}
+
+static void
+del_wait_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct timeval delay = { 0, 300*1000 };
+	TT_BLATHER(("Sleeping"));
+	evutil_usleep_(&delay);
+	test_ok = 1;
+}
+
+static void
+test_del_wait(void)
+{
+	struct event ev;
+	pthread_t thread;
+
+	setup_test("event_del will wait: ");
+
+	event_set(&ev, pair[1], EV_READ, del_wait_cb, &ev);
+	event_add(&ev, NULL);
+
+	pthread_create(&thread, NULL, del_wait_thread, NULL);
+
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	{
+		struct timeval delay = { 0, 30*1000 };
+		evutil_usleep_(&delay);
+	}
+
+	{
+		struct timeval tv_start, tv_end;
+		evutil_gettimeofday(&tv_start, NULL);
+		event_del(&ev);
+		evutil_gettimeofday(&tv_end, NULL);
+		test_timeval_diff_eq(&tv_start, &tv_end, 270);
+	}
+
+	pthread_join(thread, NULL);
+
+	end:
+	;
+}
+#endif
+
+static void
+signal_cb_sa(int sig)
+{
+	test_ok = 2;
+}
+
+static void
+signal_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *ev = arg;
+
+	evsignal_del(ev);
+	test_ok = 1;
+}
+
+static void
+test_simplesignal_impl(int find_reorder)
+{
+	struct event ev;
+	struct itimerval itv;
+
+	evsignal_set(&ev, SIGALRM, signal_cb, &ev);
+	evsignal_add(&ev, NULL);
+	/* find bugs in which operations are re-ordered */
+	if (find_reorder) {
+		evsignal_del(&ev);
+		evsignal_add(&ev, NULL);
+	}
+
+	memset(&itv, 0, sizeof(itv));
+	itv.it_value.tv_sec = 0;
+	itv.it_value.tv_usec = 100000;
+	if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
+		goto skip_simplesignal;
+
+	event_dispatch();
+ skip_simplesignal:
+	if (evsignal_del(&ev) == -1)
+		test_ok = 0;
+
+	cleanup_test();
+}
+
+static void
+test_simplestsignal(void)
+{
+	setup_test("Simplest one signal: ");
+	test_simplesignal_impl(0);
+}
+
+static void
+test_simplesignal(void)
+{
+	setup_test("Simple signal: ");
+	test_simplesignal_impl(1);
+}
+
+static void
+test_multiplesignal(void)
+{
+	struct event ev_one, ev_two;
+	struct itimerval itv;
+
+	setup_test("Multiple signal: ");
+
+	evsignal_set(&ev_one, SIGALRM, signal_cb, &ev_one);
+	evsignal_add(&ev_one, NULL);
+
+	evsignal_set(&ev_two, SIGALRM, signal_cb, &ev_two);
+	evsignal_add(&ev_two, NULL);
+
+	memset(&itv, 0, sizeof(itv));
+	itv.it_value.tv_sec = 0;
+	itv.it_value.tv_usec = 100000;
+	if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
+		goto skip_simplesignal;
+
+	event_dispatch();
+
+ skip_simplesignal:
+	if (evsignal_del(&ev_one) == -1)
+		test_ok = 0;
+	if (evsignal_del(&ev_two) == -1)
+		test_ok = 0;
+
+	cleanup_test();
+}
+
+static void
+test_immediatesignal(void)
+{
+	struct event ev;
+
+	test_ok = 0;
+	evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
+	evsignal_add(&ev, NULL);
+	raise(SIGUSR1);
+	event_loop(EVLOOP_NONBLOCK);
+	evsignal_del(&ev);
+	cleanup_test();
+}
+
+static void
+test_signal_dealloc(void)
+{
+	/* make sure that evsignal_event is event_del'ed and pipe closed */
+	struct event ev;
+	struct event_base *base = event_init();
+	evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
+	evsignal_add(&ev, NULL);
+	evsignal_del(&ev);
+	event_base_free(base);
+	/* If we got here without asserting, we're fine. */
+	test_ok = 1;
+	cleanup_test();
+}
+
+static void
+test_signal_pipeloss(void)
+{
+	/* make sure that the base1 pipe is closed correctly. */
+	struct event_base *base1, *base2;
+	int pipe1;
+	test_ok = 0;
+	base1 = event_init();
+	pipe1 = base1->sig.ev_signal_pair[0];
+	base2 = event_init();
+	event_base_free(base2);
+	event_base_free(base1);
+	if (close(pipe1) != -1 || errno!=EBADF) {
+		/* fd must be closed, so second close gives -1, EBADF */
+		printf("signal pipe not closed. ");
+		test_ok = 0;
+	} else {
+		test_ok = 1;
+	}
+	cleanup_test();
+}
+
+/*
+ * make two bases to catch signals, use both of them.  this only works
+ * for event mechanisms that use our signal pipe trick.	 kqueue handles
+ * signals internally, and all interested kqueues get all the signals.
+ */
+static void
+test_signal_switchbase(void)
+{
+	struct event ev1, ev2;
+	struct event_base *base1, *base2;
+	int is_kqueue;
+	test_ok = 0;
+	base1 = event_init();
+	base2 = event_init();
+	is_kqueue = !strcmp(event_get_method(),"kqueue");
+	evsignal_set(&ev1, SIGUSR1, signal_cb, &ev1);
+	evsignal_set(&ev2, SIGUSR1, signal_cb, &ev2);
+	if (event_base_set(base1, &ev1) ||
+	    event_base_set(base2, &ev2) ||
+	    event_add(&ev1, NULL) ||
+	    event_add(&ev2, NULL)) {
+		fprintf(stderr, "%s: cannot set base, add\n", __func__);
+		exit(1);
+	}
+
+	tt_ptr_op(event_get_base(&ev1), ==, base1);
+	tt_ptr_op(event_get_base(&ev2), ==, base2);
+
+	test_ok = 0;
+	/* can handle signal before loop is called */
+	raise(SIGUSR1);
+	event_base_loop(base2, EVLOOP_NONBLOCK);
+	if (is_kqueue) {
+		if (!test_ok)
+			goto end;
+		test_ok = 0;
+	}
+	event_base_loop(base1, EVLOOP_NONBLOCK);
+	if (test_ok && !is_kqueue) {
+		test_ok = 0;
+
+		/* set base1 to handle signals */
+		event_base_loop(base1, EVLOOP_NONBLOCK);
+		raise(SIGUSR1);
+		event_base_loop(base1, EVLOOP_NONBLOCK);
+		event_base_loop(base2, EVLOOP_NONBLOCK);
+	}
+end:
+	event_base_free(base1);
+	event_base_free(base2);
+	cleanup_test();
+}
+
+/*
+ * assert that a signal event removed from the event queue really is
+ * removed - with no possibility of it's parent handler being fired.
+ */
+static void
+test_signal_assert(void)
+{
+	struct event ev;
+	struct event_base *base = event_init();
+	test_ok = 0;
+	/* use SIGCONT so we don't kill ourselves when we signal to nowhere */
+	evsignal_set(&ev, SIGCONT, signal_cb, &ev);
+	evsignal_add(&ev, NULL);
+	/*
+	 * if evsignal_del() fails to reset the handler, it's current handler
+	 * will still point to evsig_handler().
+	 */
+	evsignal_del(&ev);
+
+	raise(SIGCONT);
+#if 0
+	/* only way to verify we were in evsig_handler() */
+	/* XXXX Now there's no longer a good way. */
+	if (base->sig.evsig_caught)
+		test_ok = 0;
+	else
+		test_ok = 1;
+#else
+	test_ok = 1;
+#endif
+
+	event_base_free(base);
+	cleanup_test();
+	return;
+}
+
+/*
+ * assert that we restore our previous signal handler properly.
+ */
+static void
+test_signal_restore(void)
+{
+	struct event ev;
+	struct event_base *base = event_init();
+#ifdef EVENT__HAVE_SIGACTION
+	struct sigaction sa;
+#endif
+
+	test_ok = 0;
+#ifdef EVENT__HAVE_SIGACTION
+	sa.sa_handler = signal_cb_sa;
+	sa.sa_flags = 0x0;
+	sigemptyset(&sa.sa_mask);
+	if (sigaction(SIGUSR1, &sa, NULL) == -1)
+		goto out;
+#else
+	if (signal(SIGUSR1, signal_cb_sa) == SIG_ERR)
+		goto out;
+#endif
+	evsignal_set(&ev, SIGUSR1, signal_cb, &ev);
+	evsignal_add(&ev, NULL);
+	evsignal_del(&ev);
+
+	raise(SIGUSR1);
+	/* 1 == signal_cb, 2 == signal_cb_sa, we want our previous handler */
+	if (test_ok != 2)
+		test_ok = 0;
+out:
+	event_base_free(base);
+	cleanup_test();
+	return;
+}
+
+static void
+signal_cb_swp(int sig, short event, void *arg)
+{
+	called++;
+	if (called < 5)
+		raise(sig);
+	else
+		event_loopexit(NULL);
+}
+static void
+timeout_cb_swp(evutil_socket_t fd, short event, void *arg)
+{
+	if (called == -1) {
+		struct timeval tv = {5, 0};
+
+		called = 0;
+		evtimer_add((struct event *)arg, &tv);
+		raise(SIGUSR1);
+		return;
+	}
+	test_ok = 0;
+	event_loopexit(NULL);
+}
+
+static void
+test_signal_while_processing(void)
+{
+	struct event_base *base = event_init();
+	struct event ev, ev_timer;
+	struct timeval tv = {0, 0};
+
+	setup_test("Receiving a signal while processing other signal: ");
+
+	called = -1;
+	test_ok = 1;
+	signal_set(&ev, SIGUSR1, signal_cb_swp, NULL);
+	signal_add(&ev, NULL);
+	evtimer_set(&ev_timer, timeout_cb_swp, &ev_timer);
+	evtimer_add(&ev_timer, &tv);
+	event_dispatch();
+
+	event_base_free(base);
+	cleanup_test();
+	return;
+}
+#endif
+
+static void
+test_free_active_base(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base1;
+	struct event ev1;
+
+	base1 = event_init();
+	if (base1) {
+		event_assign(&ev1, base1, data->pair[1], EV_READ,
+			     dummy_read_cb, NULL);
+		event_add(&ev1, NULL);
+		event_base_free(base1);	 /* should not crash */
+	} else {
+		tt_fail_msg("failed to create event_base for test");
+	}
+
+	base1 = event_init();
+	tt_assert(base1);
+	event_assign(&ev1, base1, 0, 0, dummy_read_cb, NULL);
+	event_active(&ev1, EV_READ, 1);
+	event_base_free(base1);
+end:
+	;
+}
+
+static void
+test_manipulate_active_events(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event ev1;
+
+	event_assign(&ev1, base, -1, EV_TIMEOUT, dummy_read_cb, NULL);
+
+	/* Make sure an active event is pending. */
+	event_active(&ev1, EV_READ, 1);
+	tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL),
+	    ==, EV_READ);
+
+	/* Make sure that activating an event twice works. */
+	event_active(&ev1, EV_WRITE, 1);
+	tt_int_op(event_pending(&ev1, EV_READ|EV_TIMEOUT|EV_WRITE, NULL),
+	    ==, EV_READ|EV_WRITE);
+
+end:
+	event_del(&ev1);
+}
+
+static void
+event_selfarg_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct event *ev = arg;
+	struct event_base *base = event_get_base(ev);
+	event_base_assert_ok_(base);
+	event_base_loopexit(base, NULL);
+	tt_want(ev == event_base_get_running_event(base));
+}
+
+static void
+test_event_new_selfarg(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event *ev = event_new(base, -1, EV_READ, event_selfarg_cb,
+                                     event_self_cbarg());
+
+	event_active(ev, EV_READ, 1);
+	event_base_dispatch(base);
+
+	event_free(ev);
+}
+
+static void
+test_event_assign_selfarg(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event ev;
+
+	event_assign(&ev, base, -1, EV_READ, event_selfarg_cb,
+                     event_self_cbarg());
+	event_active(&ev, EV_READ, 1);
+	event_base_dispatch(base);
+}
+
+static void
+test_event_base_get_num_events(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event ev;
+	int event_count_active;
+	int event_count_virtual;
+	int event_count_added;
+	int event_count_active_virtual;
+	int event_count_active_added;
+	int event_count_virtual_added;
+	int event_count_active_added_virtual;
+
+	struct timeval qsec = {0, 100000};
+
+	event_assign(&ev, base, -1, EV_READ, event_selfarg_cb,
+	    event_self_cbarg());
+
+	event_add(&ev, &qsec);
+	event_count_active = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE);
+	event_count_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL);
+	event_count_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ADDED);
+	event_count_active_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL);
+	event_count_active_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED);
+	event_count_virtual_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED);
+	event_count_active_added_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|
+	    EVENT_BASE_COUNT_ADDED|
+	    EVENT_BASE_COUNT_VIRTUAL);
+	tt_int_op(event_count_active, ==, 0);
+	tt_int_op(event_count_virtual, ==, 0);
+	/* libevent itself adds a timeout event, so the event_count is 2 here */
+	tt_int_op(event_count_added, ==, 2);
+	tt_int_op(event_count_active_virtual, ==, 0);
+	tt_int_op(event_count_active_added, ==, 2);
+	tt_int_op(event_count_virtual_added, ==, 2);
+	tt_int_op(event_count_active_added_virtual, ==, 2);
+
+	event_active(&ev, EV_READ, 1);
+	event_count_active = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE);
+	event_count_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL);
+	event_count_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ADDED);
+	event_count_active_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL);
+	event_count_active_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED);
+	event_count_virtual_added = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED);
+	event_count_active_added_virtual = event_base_get_num_events(base,
+	    EVENT_BASE_COUNT_ACTIVE|
+	    EVENT_BASE_COUNT_ADDED|
+	    EVENT_BASE_COUNT_VIRTUAL);
+	tt_int_op(event_count_active, ==, 1);
+	tt_int_op(event_count_virtual, ==, 0);
+	tt_int_op(event_count_added, ==, 3);
+	tt_int_op(event_count_active_virtual, ==, 1);
+	tt_int_op(event_count_active_added, ==, 4);
+	tt_int_op(event_count_virtual_added, ==, 3);
+	tt_int_op(event_count_active_added_virtual, ==, 4);
+
+       event_base_loop(base, 0);
+       event_count_active = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE);
+       event_count_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_VIRTUAL);
+       event_count_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ADDED);
+       event_count_active_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL);
+       event_count_active_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED);
+       event_count_virtual_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED);
+       event_count_active_added_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|
+	   EVENT_BASE_COUNT_ADDED|
+	   EVENT_BASE_COUNT_VIRTUAL);
+       tt_int_op(event_count_active, ==, 0);
+       tt_int_op(event_count_virtual, ==, 0);
+       tt_int_op(event_count_added, ==, 0);
+       tt_int_op(event_count_active_virtual, ==, 0);
+       tt_int_op(event_count_active_added, ==, 0);
+       tt_int_op(event_count_virtual_added, ==, 0);
+       tt_int_op(event_count_active_added_virtual, ==, 0);
+
+       event_base_add_virtual_(base);
+       event_count_active = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE);
+       event_count_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_VIRTUAL);
+       event_count_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ADDED);
+       event_count_active_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_VIRTUAL);
+       event_count_active_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|EVENT_BASE_COUNT_ADDED);
+       event_count_virtual_added = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_VIRTUAL|EVENT_BASE_COUNT_ADDED);
+       event_count_active_added_virtual = event_base_get_num_events(base,
+	   EVENT_BASE_COUNT_ACTIVE|
+	   EVENT_BASE_COUNT_ADDED|
+	   EVENT_BASE_COUNT_VIRTUAL);
+       tt_int_op(event_count_active, ==, 0);
+       tt_int_op(event_count_virtual, ==, 1);
+       tt_int_op(event_count_added, ==, 0);
+       tt_int_op(event_count_active_virtual, ==, 1);
+       tt_int_op(event_count_active_added, ==, 0);
+       tt_int_op(event_count_virtual_added, ==, 1);
+       tt_int_op(event_count_active_added_virtual, ==, 1);
+
+end:
+       ;
+}
+
+static void
+test_event_base_get_max_events(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event ev;
+	struct event ev2;
+	int event_count_active;
+	int event_count_virtual;
+	int event_count_added;
+	int event_count_active_virtual;
+	int event_count_active_added;
+	int event_count_virtual_added;
+	int event_count_active_added_virtual;
+
+	struct timeval qsec = {0, 100000};
+
+	event_assign(&ev, base, -1, EV_READ, event_selfarg_cb,
+	    event_self_cbarg());
+	event_assign(&ev2, base, -1, EV_READ, event_selfarg_cb,
+	    event_self_cbarg());
+
+	event_add(&ev, &qsec);
+	event_add(&ev2, &qsec);
+	event_del(&ev2);
+
+	event_count_active = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE, 0);
+	event_count_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_active_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_virtual_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_added_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE |
+	    EVENT_BASE_COUNT_ADDED |
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+
+	tt_int_op(event_count_active, ==, 0);
+	tt_int_op(event_count_virtual, ==, 0);
+	/* libevent itself adds a timeout event, so the event_count is 4 here */
+	tt_int_op(event_count_added, ==, 4);
+	tt_int_op(event_count_active_virtual, ==, 0);
+	tt_int_op(event_count_active_added, ==, 4);
+	tt_int_op(event_count_virtual_added, ==, 4);
+	tt_int_op(event_count_active_added_virtual, ==, 4);
+
+	event_active(&ev, EV_READ, 1);
+	event_count_active = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE, 0);
+	event_count_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_active_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_virtual_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_added_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE |
+	    EVENT_BASE_COUNT_ADDED |
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+
+	tt_int_op(event_count_active, ==, 1);
+	tt_int_op(event_count_virtual, ==, 0);
+	tt_int_op(event_count_added, ==, 4);
+	tt_int_op(event_count_active_virtual, ==, 1);
+	tt_int_op(event_count_active_added, ==, 5);
+	tt_int_op(event_count_virtual_added, ==, 4);
+	tt_int_op(event_count_active_added_virtual, ==, 5);
+
+	event_base_loop(base, 0);
+	event_count_active = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE, 1);
+	event_count_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL, 1);
+	event_count_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ADDED, 1);
+	event_count_active_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_active_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_virtual_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_added_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE |
+	    EVENT_BASE_COUNT_ADDED |
+	    EVENT_BASE_COUNT_VIRTUAL, 1);
+
+	tt_int_op(event_count_active, ==, 1);
+	tt_int_op(event_count_virtual, ==, 0);
+	tt_int_op(event_count_added, ==, 4);
+	tt_int_op(event_count_active_virtual, ==, 0);
+	tt_int_op(event_count_active_added, ==, 0);
+	tt_int_op(event_count_virtual_added, ==, 0);
+	tt_int_op(event_count_active_added_virtual, ==, 0);
+
+	event_count_active = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE, 0);
+	event_count_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ADDED, 0);
+	tt_int_op(event_count_active, ==, 0);
+	tt_int_op(event_count_virtual, ==, 0);
+	tt_int_op(event_count_added, ==, 0);
+
+	event_base_add_virtual_(base);
+	event_count_active = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE, 0);
+	event_count_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_VIRTUAL, 0);
+	event_count_active_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_virtual_added = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_VIRTUAL | EVENT_BASE_COUNT_ADDED, 0);
+	event_count_active_added_virtual = event_base_get_max_events(base,
+	    EVENT_BASE_COUNT_ACTIVE |
+	    EVENT_BASE_COUNT_ADDED |
+	    EVENT_BASE_COUNT_VIRTUAL, 0);
+
+	tt_int_op(event_count_active, ==, 0);
+	tt_int_op(event_count_virtual, ==, 1);
+	tt_int_op(event_count_added, ==, 0);
+	tt_int_op(event_count_active_virtual, ==, 1);
+	tt_int_op(event_count_active_added, ==, 0);
+	tt_int_op(event_count_virtual_added, ==, 1);
+	tt_int_op(event_count_active_added_virtual, ==, 1);
+
+end:
+       ;
+}
+
+static void
+test_bad_assign(void *ptr)
+{
+	struct event ev;
+	int r;
+	/* READ|SIGNAL is not allowed */
+	r = event_assign(&ev, NULL, -1, EV_SIGNAL|EV_READ, dummy_read_cb, NULL);
+	tt_int_op(r,==,-1);
+
+end:
+	;
+}
+
+static int reentrant_cb_run = 0;
+
+static void
+bad_reentrant_run_loop_cb(evutil_socket_t fd, short what, void *ptr)
+{
+	struct event_base *base = ptr;
+	int r;
+	reentrant_cb_run = 1;
+	/* This reentrant call to event_base_loop should be detected and
+	 * should fail */
+	r = event_base_loop(base, 0);
+	tt_int_op(r, ==, -1);
+end:
+	;
+}
+
+static void
+test_bad_reentrant(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event ev;
+	int r;
+	event_assign(&ev, base, -1,
+	    0, bad_reentrant_run_loop_cb, base);
+
+	event_active(&ev, EV_WRITE, 1);
+	r = event_base_loop(base, 0);
+	tt_int_op(r, ==, 1);
+	tt_int_op(reentrant_cb_run, ==, 1);
+end:
+	;
+}
+
+static int n_write_a_byte_cb=0;
+static int n_read_and_drain_cb=0;
+static int n_activate_other_event_cb=0;
+static void
+write_a_byte_cb(evutil_socket_t fd, short what, void *arg)
+{
+	char buf[] = "x";
+	if (write(fd, buf, 1) == 1)
+		++n_write_a_byte_cb;
+}
+static void
+read_and_drain_cb(evutil_socket_t fd, short what, void *arg)
+{
+	char buf[128];
+	int n;
+	++n_read_and_drain_cb;
+	while ((n = read(fd, buf, sizeof(buf))) > 0)
+		;
+}
+
+static void
+activate_other_event_cb(evutil_socket_t fd, short what, void *other_)
+{
+	struct event *ev_activate = other_;
+	++n_activate_other_event_cb;
+	event_active_later_(ev_activate, EV_READ);
+}
+
+static void
+test_active_later(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event *ev1 = NULL, *ev2 = NULL;
+	struct event ev3, ev4;
+	struct timeval qsec = {0, 100000};
+	ev1 = event_new(data->base, data->pair[0], EV_READ|EV_PERSIST, read_and_drain_cb, NULL);
+	ev2 = event_new(data->base, data->pair[1], EV_WRITE|EV_PERSIST, write_a_byte_cb, NULL);
+	event_assign(&ev3, data->base, -1, 0, activate_other_event_cb, &ev4);
+	event_assign(&ev4, data->base, -1, 0, activate_other_event_cb, &ev3);
+	event_add(ev1, NULL);
+	event_add(ev2, NULL);
+	event_active_later_(&ev3, EV_READ);
+
+	event_base_loopexit(data->base, &qsec);
+
+	event_base_loop(data->base, 0);
+
+	TT_BLATHER(("%d write calls, %d read calls, %d activate-other calls.",
+		n_write_a_byte_cb, n_read_and_drain_cb, n_activate_other_event_cb));
+	event_del(&ev3);
+	event_del(&ev4);
+
+	tt_int_op(n_write_a_byte_cb, ==, n_activate_other_event_cb);
+	tt_int_op(n_write_a_byte_cb, >, 100);
+	tt_int_op(n_read_and_drain_cb, >, 100);
+	tt_int_op(n_activate_other_event_cb, >, 100);
+
+	event_active_later_(&ev4, EV_READ);
+	event_active(&ev4, EV_READ, 1); /* This should make the event
+					   active immediately. */
+	tt_assert((ev4.ev_flags & EVLIST_ACTIVE) != 0);
+	tt_assert((ev4.ev_flags & EVLIST_ACTIVE_LATER) == 0);
+
+	/* Now leave this one around, so that event_free sees it and removes
+	 * it. */
+	event_active_later_(&ev3, EV_READ);
+	event_base_assert_ok_(data->base);
+
+end:
+	if (ev1)
+		event_free(ev1);
+	if (ev2)
+		event_free(ev2);
+
+	event_base_free(data->base);
+	data->base = NULL;
+}
+
+
+static void incr_arg_cb(evutil_socket_t fd, short what, void *arg)
+{
+	int *intptr = arg;
+	(void) fd; (void) what;
+	++*intptr;
+}
+static void remove_timers_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct event **ep = arg;
+	(void) fd; (void) what;
+	event_remove_timer(ep[0]);
+	event_remove_timer(ep[1]);
+}
+static void send_a_byte_cb(evutil_socket_t fd, short what, void *arg)
+{
+	evutil_socket_t *sockp = arg;
+	(void) fd; (void) what;
+	(void) write(*sockp, "A", 1);
+}
+struct read_not_timeout_param
+{
+	struct event **ev;
+	int events;
+	int count;
+};
+static void read_not_timeout_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct read_not_timeout_param *rntp = arg;
+	char c;
+	ev_ssize_t n;
+	(void) fd; (void) what;
+	n = read(fd, &c, 1);
+	tt_int_op(n, ==, 1);
+	rntp->events |= what;
+	++rntp->count;
+	if(2 == rntp->count) event_del(rntp->ev[0]);
+end:
+	;
+}
+
+static void
+test_event_remove_timeout(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = data->base;
+	struct event *ev[5];
+	int ev1_fired=0;
+	struct timeval ms25 = { 0, 25*1000 },
+		ms40 = { 0, 40*1000 },
+		ms75 = { 0, 75*1000 },
+		ms125 = { 0, 125*1000 };
+	struct read_not_timeout_param rntp = { ev, 0, 0 };
+
+	event_base_assert_ok_(base);
+
+	ev[0] = event_new(base, data->pair[0], EV_READ|EV_PERSIST,
+	    read_not_timeout_cb, &rntp);
+	ev[1] = evtimer_new(base, incr_arg_cb, &ev1_fired);
+	ev[2] = evtimer_new(base, remove_timers_cb, ev);
+	ev[3] = evtimer_new(base, send_a_byte_cb, &data->pair[1]);
+	ev[4] = evtimer_new(base, send_a_byte_cb, &data->pair[1]);
+	tt_assert(base);
+	event_add(ev[2], &ms25); /* remove timers */
+	event_add(ev[4], &ms40); /* write to test if timer re-activates */
+	event_add(ev[0], &ms75); /* read */
+	event_add(ev[1], &ms75); /* timer */
+	event_add(ev[3], &ms125); /* timeout. */
+	event_base_assert_ok_(base);
+
+	event_base_dispatch(base);
+
+	tt_int_op(ev1_fired, ==, 0);
+	tt_int_op(rntp.events, ==, EV_READ);
+
+	event_base_assert_ok_(base);
+end:
+	event_free(ev[0]);
+	event_free(ev[1]);
+	event_free(ev[2]);
+	event_free(ev[3]);
+	event_free(ev[4]);
+}
+
+static void
+test_event_base_new(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_base *base = 0;
+	struct event ev1;
+	struct basic_cb_args args;
+
+	int towrite = (int)strlen(TEST1)+1;
+	int len = write(data->pair[0], TEST1, towrite);
+
+	if (len < 0)
+		tt_abort_perror("initial write");
+	else if (len != towrite)
+		tt_abort_printf(("initial write fell short (%d of %d bytes)",
+				 len, towrite));
+
+	if (shutdown(data->pair[0], EVUTIL_SHUT_WR))
+		tt_abort_perror("initial write shutdown");
+
+	base = event_base_new();
+	if (!base)
+		tt_abort_msg("failed to create event base");
+
+	args.eb = base;
+	args.ev = &ev1;
+	args.callcount = 0;
+	event_assign(&ev1, base, data->pair[1],
+		     EV_READ|EV_PERSIST, basic_read_cb, &args);
+
+	if (event_add(&ev1, NULL))
+		tt_abort_perror("initial event_add");
+
+	if (event_base_loop(base, 0))
+		tt_abort_msg("unsuccessful exit from event loop");
+
+end:
+	if (base)
+		event_base_free(base);
+}
+
+static void
+test_loopexit(void)
+{
+	struct timeval tv, tv_start, tv_end;
+	struct event ev;
+
+	setup_test("Loop exit: ");
+
+	tv.tv_usec = 0;
+	tv.tv_sec = 60*60*24;
+	evtimer_set(&ev, timeout_cb, NULL);
+	evtimer_add(&ev, &tv);
+
+	tv.tv_usec = 300*1000;
+	tv.tv_sec = 0;
+	event_loopexit(&tv);
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_dispatch();
+	evutil_gettimeofday(&tv_end, NULL);
+
+	evtimer_del(&ev);
+
+	tt_assert(event_base_got_exit(global_base));
+	tt_assert(!event_base_got_break(global_base));
+
+	test_timeval_diff_eq(&tv_start, &tv_end, 300);
+
+	test_ok = 1;
+end:
+	cleanup_test();
+}
+
+static void
+test_loopexit_multiple(void)
+{
+	struct timeval tv, tv_start, tv_end;
+	struct event_base *base;
+
+	setup_test("Loop Multiple exit: ");
+
+	base = event_base_new();
+
+	tv.tv_usec = 200*1000;
+	tv.tv_sec = 0;
+	event_base_loopexit(base, &tv);
+
+	tv.tv_usec = 0;
+	tv.tv_sec = 3;
+	event_base_loopexit(base, &tv);
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_base_dispatch(base);
+	evutil_gettimeofday(&tv_end, NULL);
+
+	tt_assert(event_base_got_exit(base));
+	tt_assert(!event_base_got_break(base));
+
+	event_base_free(base);
+
+	test_timeval_diff_eq(&tv_start, &tv_end, 200);
+
+	test_ok = 1;
+
+end:
+	cleanup_test();
+}
+
+static void
+break_cb(evutil_socket_t fd, short events, void *arg)
+{
+	test_ok = 1;
+	event_loopbreak();
+}
+
+static void
+fail_cb(evutil_socket_t fd, short events, void *arg)
+{
+	test_ok = 0;
+}
+
+static void
+test_loopbreak(void)
+{
+	struct event ev1, ev2;
+	struct timeval tv;
+
+	setup_test("Loop break: ");
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 0;
+	evtimer_set(&ev1, break_cb, NULL);
+	evtimer_add(&ev1, &tv);
+	evtimer_set(&ev2, fail_cb, NULL);
+	evtimer_add(&ev2, &tv);
+
+	event_dispatch();
+
+	tt_assert(!event_base_got_exit(global_base));
+	tt_assert(event_base_got_break(global_base));
+
+	evtimer_del(&ev1);
+	evtimer_del(&ev2);
+
+end:
+	cleanup_test();
+}
+
+static struct event *readd_test_event_last_added = NULL;
+static void
+re_add_read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[256];
+	struct event *ev_other = arg;
+	ev_ssize_t n_read;
+
+	readd_test_event_last_added = ev_other;
+
+	n_read = read(fd, buf, sizeof(buf));
+
+	if (n_read < 0) {
+		tt_fail_perror("read");
+		event_base_loopbreak(event_get_base(ev_other));
+		return;
+	} else {
+		event_add(ev_other, NULL);
+		++test_ok;
+	}
+}
+
+static void
+test_nonpersist_readd(void)
+{
+	struct event ev1, ev2;
+
+	setup_test("Re-add nonpersistent events: ");
+	event_set(&ev1, pair[0], EV_READ, re_add_read_cb, &ev2);
+	event_set(&ev2, pair[1], EV_READ, re_add_read_cb, &ev1);
+
+	if (write(pair[0], "Hello", 5) < 0) {
+		tt_fail_perror("write(pair[0])");
+	}
+
+	if (write(pair[1], "Hello", 5) < 0) {
+		tt_fail_perror("write(pair[1])\n");
+	}
+
+	if (event_add(&ev1, NULL) == -1 ||
+	    event_add(&ev2, NULL) == -1) {
+		test_ok = 0;
+	}
+	if (test_ok != 0)
+		exit(1);
+	event_loop(EVLOOP_ONCE);
+	if (test_ok != 2)
+		exit(1);
+	/* At this point, we executed both callbacks.  Whichever one got
+	 * called first added the second, but the second then immediately got
+	 * deleted before its callback was called.  At this point, though, it
+	 * re-added the first.
+	 */
+	if (!readd_test_event_last_added) {
+		test_ok = 0;
+	} else if (readd_test_event_last_added == &ev1) {
+		if (!event_pending(&ev1, EV_READ, NULL) ||
+		    event_pending(&ev2, EV_READ, NULL))
+			test_ok = 0;
+	} else {
+		if (event_pending(&ev1, EV_READ, NULL) ||
+		    !event_pending(&ev2, EV_READ, NULL))
+			test_ok = 0;
+	}
+
+	event_del(&ev1);
+	event_del(&ev2);
+
+	cleanup_test();
+}
+
+struct test_pri_event {
+	struct event ev;
+	int count;
+};
+
+static void
+test_priorities_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct test_pri_event *pri = arg;
+	struct timeval tv;
+
+	if (pri->count == 3) {
+		event_loopexit(NULL);
+		return;
+	}
+
+	pri->count++;
+
+	evutil_timerclear(&tv);
+	event_add(&pri->ev, &tv);
+}
+
+static void
+test_priorities_impl(int npriorities)
+{
+	struct test_pri_event one, two;
+	struct timeval tv;
+
+	TT_BLATHER(("Testing Priorities %d: ", npriorities));
+
+	event_base_priority_init(global_base, npriorities);
+
+	memset(&one, 0, sizeof(one));
+	memset(&two, 0, sizeof(two));
+
+	timeout_set(&one.ev, test_priorities_cb, &one);
+	if (event_priority_set(&one.ev, 0) == -1) {
+		fprintf(stderr, "%s: failed to set priority", __func__);
+		exit(1);
+	}
+
+	timeout_set(&two.ev, test_priorities_cb, &two);
+	if (event_priority_set(&two.ev, npriorities - 1) == -1) {
+		fprintf(stderr, "%s: failed to set priority", __func__);
+		exit(1);
+	}
+
+	evutil_timerclear(&tv);
+
+	if (event_add(&one.ev, &tv) == -1)
+		exit(1);
+	if (event_add(&two.ev, &tv) == -1)
+		exit(1);
+
+	event_dispatch();
+
+	event_del(&one.ev);
+	event_del(&two.ev);
+
+	if (npriorities == 1) {
+		if (one.count == 3 && two.count == 3)
+			test_ok = 1;
+	} else if (npriorities == 2) {
+		/* Two is called once because event_loopexit is priority 1 */
+		if (one.count == 3 && two.count == 1)
+			test_ok = 1;
+	} else {
+		if (one.count == 3 && two.count == 0)
+			test_ok = 1;
+	}
+}
+
+static void
+test_priorities(void)
+{
+	test_priorities_impl(1);
+	if (test_ok)
+		test_priorities_impl(2);
+	if (test_ok)
+		test_priorities_impl(3);
+}
+
+/* priority-active-inversion: activate a higher-priority event, and make sure
+ * it keeps us from running a lower-priority event first. */
+static int n_pai_calls = 0;
+static struct event pai_events[3];
+
+static void
+prio_active_inversion_cb(evutil_socket_t fd, short what, void *arg)
+{
+	int *call_order = arg;
+	*call_order = n_pai_calls++;
+	if (n_pai_calls == 1) {
+		/* This should activate later, even though it shares a
+		   priority with us. */
+		event_active(&pai_events[1], EV_READ, 1);
+		/* This should activate next, since its priority is higher,
+		   even though we activated it second. */
+		event_active(&pai_events[2], EV_TIMEOUT, 1);
+	}
+}
+
+static void
+test_priority_active_inversion(void *data_)
+{
+	struct basic_test_data *data = data_;
+	struct event_base *base = data->base;
+	int call_order[3];
+	int i;
+	tt_int_op(event_base_priority_init(base, 8), ==, 0);
+
+	n_pai_calls = 0;
+	memset(call_order, 0, sizeof(call_order));
+
+	for (i=0;i<3;++i) {
+		event_assign(&pai_events[i], data->base, -1, 0,
+		    prio_active_inversion_cb, &call_order[i]);
+	}
+
+	event_priority_set(&pai_events[0], 4);
+	event_priority_set(&pai_events[1], 4);
+	event_priority_set(&pai_events[2], 0);
+
+	event_active(&pai_events[0], EV_WRITE, 1);
+
+	event_base_dispatch(base);
+	tt_int_op(n_pai_calls, ==, 3);
+	tt_int_op(call_order[0], ==, 0);
+	tt_int_op(call_order[1], ==, 2);
+	tt_int_op(call_order[2], ==, 1);
+end:
+	;
+}
+
+
+static void
+test_multiple_cb(evutil_socket_t fd, short event, void *arg)
+{
+	if (event & EV_READ)
+		test_ok |= 1;
+	else if (event & EV_WRITE)
+		test_ok |= 2;
+}
+
+static void
+test_multiple_events_for_same_fd(void)
+{
+   struct event e1, e2;
+
+   setup_test("Multiple events for same fd: ");
+
+   event_set(&e1, pair[0], EV_READ, test_multiple_cb, NULL);
+   event_add(&e1, NULL);
+   event_set(&e2, pair[0], EV_WRITE, test_multiple_cb, NULL);
+   event_add(&e2, NULL);
+   event_loop(EVLOOP_ONCE);
+   event_del(&e2);
+
+   if (write(pair[1], TEST1, strlen(TEST1)+1) < 0) {
+	   tt_fail_perror("write");
+   }
+
+   event_loop(EVLOOP_ONCE);
+   event_del(&e1);
+
+   if (test_ok != 3)
+	   test_ok = 0;
+
+   cleanup_test();
+}
+
+int evtag_decode_int(ev_uint32_t *pnumber, struct evbuffer *evbuf);
+int evtag_decode_int64(ev_uint64_t *pnumber, struct evbuffer *evbuf);
+int evtag_encode_tag(struct evbuffer *evbuf, ev_uint32_t number);
+int evtag_decode_tag(ev_uint32_t *pnumber, struct evbuffer *evbuf);
+
+static void
+read_once_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[256];
+	int len;
+
+	len = read(fd, buf, sizeof(buf));
+
+	if (called) {
+		test_ok = 0;
+	} else if (len) {
+		/* Assumes global pair[0] can be used for writing */
+		if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+			tt_fail_perror("write");
+			test_ok = 0;
+		} else {
+			test_ok = 1;
+		}
+	}
+
+	called++;
+}
+
+static void
+test_want_only_once(void)
+{
+	struct event ev;
+	struct timeval tv;
+
+	/* Very simple read test */
+	setup_test("Want read only once: ");
+
+	if (write(pair[0], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	/* Setup the loop termination */
+	evutil_timerclear(&tv);
+	tv.tv_usec = 300*1000;
+	event_loopexit(&tv);
+
+	event_set(&ev, pair[1], EV_READ, read_once_cb, &ev);
+	if (event_add(&ev, NULL) == -1)
+		exit(1);
+	event_dispatch();
+
+	cleanup_test();
+}
+
+#define TEST_MAX_INT	6
+
+static void
+evtag_int_test(void *ptr)
+{
+	struct evbuffer *tmp = evbuffer_new();
+	ev_uint32_t integers[TEST_MAX_INT] = {
+		0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000
+	};
+	ev_uint32_t integer;
+	ev_uint64_t big_int;
+	int i;
+
+	evtag_init();
+
+	for (i = 0; i < TEST_MAX_INT; i++) {
+		int oldlen, newlen;
+		oldlen = (int)EVBUFFER_LENGTH(tmp);
+		evtag_encode_int(tmp, integers[i]);
+		newlen = (int)EVBUFFER_LENGTH(tmp);
+		TT_BLATHER(("encoded 0x%08x with %d bytes",
+			(unsigned)integers[i], newlen - oldlen));
+		big_int = integers[i];
+		big_int *= 1000000000; /* 1 billion */
+		evtag_encode_int64(tmp, big_int);
+	}
+
+	for (i = 0; i < TEST_MAX_INT; i++) {
+		tt_int_op(evtag_decode_int(&integer, tmp), !=, -1);
+		tt_uint_op(integer, ==, integers[i]);
+		tt_int_op(evtag_decode_int64(&big_int, tmp), !=, -1);
+		tt_assert((big_int / 1000000000) == integers[i]);
+	}
+
+	tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0);
+end:
+	evbuffer_free(tmp);
+}
+
+static void
+evtag_fuzz(void *ptr)
+{
+	unsigned char buffer[4096];
+	struct evbuffer *tmp = evbuffer_new();
+	struct timeval tv;
+	int i, j;
+
+	int not_failed = 0;
+
+	evtag_init();
+
+	for (j = 0; j < 100; j++) {
+		for (i = 0; i < (int)sizeof(buffer); i++)
+			buffer[i] = test_weakrand();
+		evbuffer_drain(tmp, -1);
+		evbuffer_add(tmp, buffer, sizeof(buffer));
+
+		if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1)
+			not_failed++;
+	}
+
+	/* The majority of decodes should fail */
+	tt_int_op(not_failed, <, 10);
+
+	/* Now insert some corruption into the tag length field */
+	evbuffer_drain(tmp, -1);
+	evutil_timerclear(&tv);
+	tv.tv_sec = 1;
+	evtag_marshal_timeval(tmp, 0, &tv);
+	evbuffer_add(tmp, buffer, sizeof(buffer));
+
+	((char *)EVBUFFER_DATA(tmp))[1] = '\xff';
+	if (evtag_unmarshal_timeval(tmp, 0, &tv) != -1) {
+		tt_abort_msg("evtag_unmarshal_timeval should have failed");
+	}
+
+end:
+	evbuffer_free(tmp);
+}
+
+static void
+evtag_tag_encoding(void *ptr)
+{
+	struct evbuffer *tmp = evbuffer_new();
+	ev_uint32_t integers[TEST_MAX_INT] = {
+		0xaf0, 0x1000, 0x1, 0xdeadbeef, 0x00, 0xbef000
+	};
+	ev_uint32_t integer;
+	int i;
+
+	evtag_init();
+
+	for (i = 0; i < TEST_MAX_INT; i++) {
+		int oldlen, newlen;
+		oldlen = (int)EVBUFFER_LENGTH(tmp);
+		evtag_encode_tag(tmp, integers[i]);
+		newlen = (int)EVBUFFER_LENGTH(tmp);
+		TT_BLATHER(("encoded 0x%08x with %d bytes",
+			(unsigned)integers[i], newlen - oldlen));
+	}
+
+	for (i = 0; i < TEST_MAX_INT; i++) {
+		tt_int_op(evtag_decode_tag(&integer, tmp), !=, -1);
+		tt_uint_op(integer, ==, integers[i]);
+	}
+
+	tt_uint_op(EVBUFFER_LENGTH(tmp), ==, 0);
+
+end:
+	evbuffer_free(tmp);
+}
+
+static void
+evtag_test_peek(void *ptr)
+{
+	struct evbuffer *tmp = evbuffer_new();
+	ev_uint32_t u32;
+
+	evtag_marshal_int(tmp, 30, 0);
+	evtag_marshal_string(tmp, 40, "Hello world");
+
+	tt_int_op(evtag_peek(tmp, &u32), ==, 1);
+	tt_int_op(u32, ==, 30);
+	tt_int_op(evtag_peek_length(tmp, &u32), ==, 0);
+	tt_int_op(u32, ==, 1+1+1);
+	tt_int_op(evtag_consume(tmp), ==, 0);
+
+	tt_int_op(evtag_peek(tmp, &u32), ==, 1);
+	tt_int_op(u32, ==, 40);
+	tt_int_op(evtag_peek_length(tmp, &u32), ==, 0);
+	tt_int_op(u32, ==, 1+1+11);
+	tt_int_op(evtag_payload_length(tmp, &u32), ==, 0);
+	tt_int_op(u32, ==, 11);
+
+end:
+	evbuffer_free(tmp);
+}
+
+
+static void
+test_methods(void *ptr)
+{
+	const char **methods = event_get_supported_methods();
+	struct event_config *cfg = NULL;
+	struct event_base *base = NULL;
+	const char *backend;
+	int n_methods = 0;
+
+	tt_assert(methods);
+
+	backend = methods[0];
+	while (*methods != NULL) {
+		TT_BLATHER(("Support method: %s", *methods));
+		++methods;
+		++n_methods;
+	}
+
+	cfg = event_config_new();
+	assert(cfg != NULL);
+
+	tt_int_op(event_config_avoid_method(cfg, backend), ==, 0);
+	event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV);
+
+	base = event_base_new_with_config(cfg);
+	if (n_methods > 1) {
+		tt_assert(base);
+		tt_str_op(backend, !=, event_base_get_method(base));
+	} else {
+		tt_assert(base == NULL);
+	}
+
+end:
+	if (base)
+		event_base_free(base);
+	if (cfg)
+		event_config_free(cfg);
+}
+
+static void
+test_version(void *arg)
+{
+	const char *vstr;
+	ev_uint32_t vint;
+	int major, minor, patch, n;
+
+	vstr = event_get_version();
+	vint = event_get_version_number();
+
+	tt_assert(vstr);
+	tt_assert(vint);
+
+	tt_str_op(vstr, ==, LIBEVENT_VERSION);
+	tt_int_op(vint, ==, LIBEVENT_VERSION_NUMBER);
+
+	n = sscanf(vstr, "%d.%d.%d", &major, &minor, &patch);
+	tt_assert(3 == n);
+	tt_int_op((vint&0xffffff00), ==, ((major<<24)|(minor<<16)|(patch<<8)));
+end:
+	;
+}
+
+static void
+test_base_features(void *arg)
+{
+	struct event_base *base = NULL;
+	struct event_config *cfg = NULL;
+
+	cfg = event_config_new();
+
+	tt_assert(0 == event_config_require_features(cfg, EV_FEATURE_ET));
+
+	base = event_base_new_with_config(cfg);
+	if (base) {
+		tt_int_op(EV_FEATURE_ET, ==,
+		    event_base_get_features(base) & EV_FEATURE_ET);
+	} else {
+		base = event_base_new();
+		tt_int_op(0, ==, event_base_get_features(base) & EV_FEATURE_ET);
+	}
+
+end:
+	if (base)
+		event_base_free(base);
+	if (cfg)
+		event_config_free(cfg);
+}
+
+#ifdef EVENT__HAVE_SETENV
+#define SETENV_OK
+#elif !defined(EVENT__HAVE_SETENV) && defined(EVENT__HAVE_PUTENV)
+static void setenv(const char *k, const char *v, int o_)
+{
+	char b[256];
+	evutil_snprintf(b, sizeof(b), "%s=%s",k,v);
+	putenv(b);
+}
+#define SETENV_OK
+#endif
+
+#ifdef EVENT__HAVE_UNSETENV
+#define UNSETENV_OK
+#elif !defined(EVENT__HAVE_UNSETENV) && defined(EVENT__HAVE_PUTENV)
+static void unsetenv(const char *k)
+{
+	char b[256];
+	evutil_snprintf(b, sizeof(b), "%s=",k);
+	putenv(b);
+}
+#define UNSETENV_OK
+#endif
+
+#if defined(SETENV_OK) && defined(UNSETENV_OK)
+static void
+methodname_to_envvar(const char *mname, char *buf, size_t buflen)
+{
+	char *cp;
+	evutil_snprintf(buf, buflen, "EVENT_NO%s", mname);
+	for (cp = buf; *cp; ++cp) {
+		*cp = EVUTIL_TOUPPER_(*cp);
+	}
+}
+#endif
+
+static void
+test_base_environ(void *arg)
+{
+	struct event_base *base = NULL;
+	struct event_config *cfg = NULL;
+
+#if defined(SETENV_OK) && defined(UNSETENV_OK)
+	const char **basenames;
+	int i, n_methods=0;
+	char varbuf[128];
+	const char *defaultname, *ignoreenvname;
+
+	/* See if unsetenv works before we rely on it. */
+	setenv("EVENT_NOWAFFLES", "1", 1);
+	unsetenv("EVENT_NOWAFFLES");
+	if (getenv("EVENT_NOWAFFLES") != NULL) {
+#ifndef EVENT__HAVE_UNSETENV
+		TT_DECLARE("NOTE", ("Can't fake unsetenv; skipping test"));
+#else
+		TT_DECLARE("NOTE", ("unsetenv doesn't work; skipping test"));
+#endif
+		tt_skip();
+	}
+
+	basenames = event_get_supported_methods();
+	for (i = 0; basenames[i]; ++i) {
+		methodname_to_envvar(basenames[i], varbuf, sizeof(varbuf));
+		unsetenv(varbuf);
+		++n_methods;
+	}
+
+	base = event_base_new();
+	tt_assert(base);
+
+	defaultname = event_base_get_method(base);
+	TT_BLATHER(("default is <%s>", defaultname));
+	event_base_free(base);
+	base = NULL;
+
+	/* Can we disable the method with EVENT_NOfoo ? */
+	if (!strcmp(defaultname, "epoll (with changelist)")) {
+ 		setenv("EVENT_NOEPOLL", "1", 1);
+		ignoreenvname = "epoll";
+	} else {
+		methodname_to_envvar(defaultname, varbuf, sizeof(varbuf));
+		setenv(varbuf, "1", 1);
+		ignoreenvname = defaultname;
+	}
+
+	/* Use an empty cfg rather than NULL so a failure doesn't exit() */
+	cfg = event_config_new();
+	base = event_base_new_with_config(cfg);
+	event_config_free(cfg);
+	cfg = NULL;
+	if (n_methods == 1) {
+		tt_assert(!base);
+	} else {
+		tt_assert(base);
+		tt_str_op(defaultname, !=, event_base_get_method(base));
+		event_base_free(base);
+		base = NULL;
+	}
+
+	/* Can we disable looking at the environment with IGNORE_ENV ? */
+	cfg = event_config_new();
+	event_config_set_flag(cfg, EVENT_BASE_FLAG_IGNORE_ENV);
+	base = event_base_new_with_config(cfg);
+	tt_assert(base);
+	tt_str_op(ignoreenvname, ==, event_base_get_method(base));
+#else
+	tt_skip();
+#endif
+
+end:
+	if (base)
+		event_base_free(base);
+	if (cfg)
+		event_config_free(cfg);
+}
+
+static void
+read_called_once_cb(evutil_socket_t fd, short event, void *arg)
+{
+	tt_int_op(event, ==, EV_READ);
+	called += 1;
+end:
+	;
+}
+
+static void
+timeout_called_once_cb(evutil_socket_t fd, short event, void *arg)
+{
+	tt_int_op(event, ==, EV_TIMEOUT);
+	called += 100;
+end:
+	;
+}
+
+static void
+immediate_called_twice_cb(evutil_socket_t fd, short event, void *arg)
+{
+	tt_int_op(event, ==, EV_TIMEOUT);
+	called += 1000;
+end:
+	;
+}
+
+static void
+test_event_once(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct timeval tv;
+	int r;
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 50*1000;
+	called = 0;
+	r = event_base_once(data->base, data->pair[0], EV_READ,
+	    read_called_once_cb, NULL, NULL);
+	tt_int_op(r, ==, 0);
+	r = event_base_once(data->base, -1, EV_TIMEOUT,
+	    timeout_called_once_cb, NULL, &tv);
+	tt_int_op(r, ==, 0);
+	r = event_base_once(data->base, -1, 0, NULL, NULL, NULL);
+	tt_int_op(r, <, 0);
+	r = event_base_once(data->base, -1, EV_TIMEOUT,
+	    immediate_called_twice_cb, NULL, NULL);
+	tt_int_op(r, ==, 0);
+	tv.tv_sec = 0;
+	tv.tv_usec = 0;
+	r = event_base_once(data->base, -1, EV_TIMEOUT,
+	    immediate_called_twice_cb, NULL, &tv);
+	tt_int_op(r, ==, 0);
+
+	if (write(data->pair[1], TEST1, strlen(TEST1)+1) < 0) {
+		tt_fail_perror("write");
+	}
+
+	shutdown(data->pair[1], EVUTIL_SHUT_WR);
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(called, ==, 2101);
+end:
+	;
+}
+
+static void
+test_event_once_never(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct timeval tv;
+
+	/* Have one trigger in 10 seconds (don't worry, because) */
+	tv.tv_sec = 10;
+	tv.tv_usec = 0;
+	called = 0;
+	event_base_once(data->base, -1, EV_TIMEOUT,
+	    timeout_called_once_cb, NULL, &tv);
+
+	/* But shut down the base in 75 msec. */
+	tv.tv_sec = 0;
+	tv.tv_usec = 75*1000;
+	event_base_loopexit(data->base, &tv);
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(called, ==, 0);
+end:
+	;
+}
+
+static void
+test_event_pending(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event *r=NULL, *w=NULL, *t=NULL;
+	struct timeval tv, now, tv2;
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 500 * 1000;
+	r = event_new(data->base, data->pair[0], EV_READ, simple_read_cb,
+	    NULL);
+	w = event_new(data->base, data->pair[1], EV_WRITE, simple_write_cb,
+	    NULL);
+	t = evtimer_new(data->base, timeout_cb, NULL);
+
+	tt_assert(r);
+	tt_assert(w);
+	tt_assert(t);
+
+	evutil_gettimeofday(&now, NULL);
+	event_add(r, NULL);
+	event_add(t, &tv);
+
+	tt_assert( event_pending(r, EV_READ, NULL));
+	tt_assert(!event_pending(w, EV_WRITE, NULL));
+	tt_assert(!event_pending(r, EV_WRITE, NULL));
+	tt_assert( event_pending(r, EV_READ|EV_WRITE, NULL));
+	tt_assert(!event_pending(r, EV_TIMEOUT, NULL));
+	tt_assert( event_pending(t, EV_TIMEOUT, NULL));
+	tt_assert( event_pending(t, EV_TIMEOUT, &tv2));
+
+	tt_assert(evutil_timercmp(&tv2, &now, >));
+
+	test_timeval_diff_eq(&now, &tv2, 500);
+
+end:
+	if (r) {
+		event_del(r);
+		event_free(r);
+	}
+	if (w) {
+		event_del(w);
+		event_free(w);
+	}
+	if (t) {
+		event_del(t);
+		event_free(t);
+	}
+}
+
+static void
+dfd_cb(evutil_socket_t fd, short e, void *data)
+{
+	*(int*)data = (int)e;
+}
+
+static void
+test_event_closed_fd_poll(void *arg)
+{
+	struct timeval tv;
+	struct event *e;
+	struct basic_test_data *data = (struct basic_test_data *)arg;
+	int i = 0;
+
+	if (strcmp(event_base_get_method(data->base), "poll")) {
+		tinytest_set_test_skipped_();
+		return;
+	}
+
+	e = event_new(data->base, data->pair[0], EV_READ, dfd_cb, &i);
+	tt_assert(e);
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 500 * 1000;
+	event_add(e, &tv);
+	tt_assert(event_pending(e, EV_READ, NULL));
+	close(data->pair[0]);
+	data->pair[0] = -1; /** avoids double-close */
+	event_base_loop(data->base, EVLOOP_ONCE);
+	tt_int_op(i, ==, EV_READ);
+
+end:
+	if (e) {
+		event_del(e);
+		event_free(e);
+	}
+}
+
+#ifndef _WIN32
+/* You can't do this test on windows, since dup2 doesn't work on sockets */
+
+/* Regression test for our workaround for a fun epoll/linux related bug
+ * where fd2 = dup(fd1); add(fd2); close(fd2); dup2(fd1,fd2); add(fd2)
+ * will get you an EEXIST */
+static void
+test_dup_fd(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct event *ev1=NULL, *ev2=NULL;
+	int fd, dfd=-1;
+	int ev1_got, ev2_got;
+
+	tt_int_op(write(data->pair[0], "Hello world",
+		strlen("Hello world")), >, 0);
+	fd = data->pair[1];
+
+	dfd = dup(fd);
+	tt_int_op(dfd, >=, 0);
+
+	ev1 = event_new(base, fd, EV_READ|EV_PERSIST, dfd_cb, &ev1_got);
+	ev2 = event_new(base, dfd, EV_READ|EV_PERSIST, dfd_cb, &ev2_got);
+	ev1_got = ev2_got = 0;
+	event_add(ev1, NULL);
+	event_add(ev2, NULL);
+	event_base_loop(base, EVLOOP_ONCE);
+	tt_int_op(ev1_got, ==, EV_READ);
+	tt_int_op(ev2_got, ==, EV_READ);
+
+	/* Now close and delete dfd then dispatch.  We need to do the
+	 * dispatch here so that when we add it later, we think there
+	 * was an intermediate delete. */
+	close(dfd);
+	event_del(ev2);
+	ev1_got = ev2_got = 0;
+	event_base_loop(base, EVLOOP_ONCE);
+	tt_want_int_op(ev1_got, ==, EV_READ);
+	tt_int_op(ev2_got, ==, 0);
+
+	/* Re-duplicate the fd.  We need to get the same duplicated
+	 * value that we closed to provoke the epoll quirk.  Also, we
+	 * need to change the events to write, or else the old lingering
+	 * read event will make the test pass whether the change was
+	 * successful or not. */
+	tt_int_op(dup2(fd, dfd), ==, dfd);
+	event_free(ev2);
+	ev2 = event_new(base, dfd, EV_WRITE|EV_PERSIST, dfd_cb, &ev2_got);
+	event_add(ev2, NULL);
+	ev1_got = ev2_got = 0;
+	event_base_loop(base, EVLOOP_ONCE);
+	tt_want_int_op(ev1_got, ==, EV_READ);
+	tt_int_op(ev2_got, ==, EV_WRITE);
+
+end:
+	if (ev1)
+		event_free(ev1);
+	if (ev2)
+		event_free(ev2);
+	if (dfd >= 0)
+		close(dfd);
+}
+#endif
+
+#ifdef EVENT__DISABLE_MM_REPLACEMENT
+static void
+test_mm_functions(void *arg)
+{
+	tinytest_set_test_skipped_();
+}
+#else
+static int
+check_dummy_mem_ok(void *mem_)
+{
+	char *mem = mem_;
+	mem -= 16;
+	return !memcmp(mem, "{[<guardedram>]}", 16);
+}
+
+static void *
+dummy_malloc(size_t len)
+{
+	char *mem = malloc(len+16);
+	memcpy(mem, "{[<guardedram>]}", 16);
+	return mem+16;
+}
+
+static void *
+dummy_realloc(void *mem_, size_t len)
+{
+	char *mem = mem_;
+	if (!mem)
+		return dummy_malloc(len);
+	tt_want(check_dummy_mem_ok(mem_));
+	mem -= 16;
+	mem = realloc(mem, len+16);
+	return mem+16;
+}
+
+static void
+dummy_free(void *mem_)
+{
+	char *mem = mem_;
+	tt_want(check_dummy_mem_ok(mem_));
+	mem -= 16;
+	free(mem);
+}
+
+static void
+test_mm_functions(void *arg)
+{
+	struct event_base *b = NULL;
+	struct event_config *cfg = NULL;
+	event_set_mem_functions(dummy_malloc, dummy_realloc, dummy_free);
+	cfg = event_config_new();
+	event_config_avoid_method(cfg, "Nonesuch");
+	b = event_base_new_with_config(cfg);
+	tt_assert(b);
+	tt_assert(check_dummy_mem_ok(b));
+end:
+	if (cfg)
+		event_config_free(cfg);
+	if (b)
+		event_base_free(b);
+}
+#endif
+
+static void
+many_event_cb(evutil_socket_t fd, short event, void *arg)
+{
+	int *calledp = arg;
+	*calledp += 1;
+}
+
+static void
+test_many_events(void *arg)
+{
+	/* Try 70 events that should all be ready at once.  This will
+	 * exercise the "resize" code on most of the backends, and will make
+	 * sure that we can get past the 64-handle limit of some windows
+	 * functions. */
+#define MANY 70
+
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	int one_at_a_time = data->setup_data != NULL;
+	evutil_socket_t sock[MANY];
+	struct event *ev[MANY];
+	int called[MANY];
+	int i;
+	int loopflags = EVLOOP_NONBLOCK, evflags=0;
+	if (one_at_a_time) {
+		loopflags |= EVLOOP_ONCE;
+		evflags = EV_PERSIST;
+	}
+
+	memset(sock, 0xff, sizeof(sock));
+	memset(ev, 0, sizeof(ev));
+	memset(called, 0, sizeof(called));
+
+	for (i = 0; i < MANY; ++i) {
+		/* We need an event that will hit the backend, and that will
+		 * be ready immediately.  "Send a datagram" is an easy
+		 * instance of that. */
+		sock[i] = socket(AF_INET, SOCK_DGRAM, 0);
+		tt_assert(sock[i] >= 0);
+		called[i] = 0;
+		ev[i] = event_new(base, sock[i], EV_WRITE|evflags,
+		    many_event_cb, &called[i]);
+		event_add(ev[i], NULL);
+		if (one_at_a_time)
+			event_base_loop(base, EVLOOP_NONBLOCK|EVLOOP_ONCE);
+	}
+
+	event_base_loop(base, loopflags);
+
+	for (i = 0; i < MANY; ++i) {
+		if (one_at_a_time)
+			tt_int_op(called[i], ==, MANY - i + 1);
+		else
+			tt_int_op(called[i], ==, 1);
+	}
+
+end:
+	for (i = 0; i < MANY; ++i) {
+		if (ev[i])
+			event_free(ev[i]);
+		if (sock[i] >= 0)
+			evutil_closesocket(sock[i]);
+	}
+#undef MANY
+}
+
+static void
+test_struct_event_size(void *arg)
+{
+	tt_int_op(event_get_struct_event_size(), <=, sizeof(struct event));
+end:
+	;
+}
+
+static void
+test_get_assignment(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct event *ev1 = NULL;
+	const char *str = "foo";
+
+	struct event_base *b;
+	evutil_socket_t s;
+	short what;
+	event_callback_fn cb;
+	void *cb_arg;
+
+	ev1 = event_new(base, data->pair[1], EV_READ, dummy_read_cb, (void*)str);
+	event_get_assignment(ev1, &b, &s, &what, &cb, &cb_arg);
+
+	tt_ptr_op(b, ==, base);
+	tt_int_op(s, ==, data->pair[1]);
+	tt_int_op(what, ==, EV_READ);
+	tt_ptr_op(cb, ==, dummy_read_cb);
+	tt_ptr_op(cb_arg, ==, str);
+
+	/* Now make sure this doesn't crash. */
+	event_get_assignment(ev1, NULL, NULL, NULL, NULL, NULL);
+
+end:
+	if (ev1)
+		event_free(ev1);
+}
+
+struct foreach_helper {
+	int count;
+	const struct event *ev;
+};
+
+static int
+foreach_count_cb(const struct event_base *base, const struct event *ev, void *arg)
+{
+	struct foreach_helper *h = event_get_callback_arg(ev);
+	struct timeval *tv = arg;
+	if (event_get_callback(ev) != timeout_cb)
+		return 0;
+	tt_ptr_op(event_get_base(ev), ==, base);
+	tt_int_op(tv->tv_sec, ==, 10);
+	h->ev = ev;
+	h->count++;
+	return 0;
+end:
+	return -1;
+}
+
+static int
+foreach_find_cb(const struct event_base *base, const struct event *ev, void *arg)
+{
+	const struct event **ev_out = arg;
+	struct foreach_helper *h = event_get_callback_arg(ev);
+	if (event_get_callback(ev) != timeout_cb)
+		return 0;
+	if (h->count == 99) {
+		*ev_out = ev;
+		return 101;
+	}
+	return 0;
+}
+
+static void
+test_event_foreach(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct event *ev[5];
+	struct foreach_helper visited[5];
+	int i;
+	struct timeval ten_sec = {10,0};
+	const struct event *ev_found = NULL;
+
+	for (i = 0; i < 5; ++i) {
+		visited[i].count = 0;
+		visited[i].ev = NULL;
+		ev[i] = event_new(base, -1, 0, timeout_cb, &visited[i]);
+	}
+
+	tt_int_op(-1, ==, event_base_foreach_event(NULL, foreach_count_cb, NULL));
+	tt_int_op(-1, ==, event_base_foreach_event(base, NULL, NULL));
+
+	event_add(ev[0], &ten_sec);
+	event_add(ev[1], &ten_sec);
+	event_active(ev[1], EV_TIMEOUT, 1);
+	event_active(ev[2], EV_TIMEOUT, 1);
+	event_add(ev[3], &ten_sec);
+	/* Don't touch ev[4]. */
+
+	tt_int_op(0, ==, event_base_foreach_event(base, foreach_count_cb,
+		&ten_sec));
+	tt_int_op(1, ==, visited[0].count);
+	tt_int_op(1, ==, visited[1].count);
+	tt_int_op(1, ==, visited[2].count);
+	tt_int_op(1, ==, visited[3].count);
+	tt_ptr_op(ev[0], ==, visited[0].ev);
+	tt_ptr_op(ev[1], ==, visited[1].ev);
+	tt_ptr_op(ev[2], ==, visited[2].ev);
+	tt_ptr_op(ev[3], ==, visited[3].ev);
+
+	visited[2].count = 99;
+	tt_int_op(101, ==, event_base_foreach_event(base, foreach_find_cb,
+		&ev_found));
+	tt_ptr_op(ev_found, ==, ev[2]);
+
+end:
+	for (i=0; i<5; ++i) {
+		event_free(ev[i]);
+	}
+}
+
+static struct event_base *cached_time_base = NULL;
+static int cached_time_reset = 0;
+static int cached_time_sleep = 0;
+static void
+cache_time_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct timeval *tv = arg;
+	tt_int_op(0, ==, event_base_gettimeofday_cached(cached_time_base, tv));
+	if (cached_time_sleep) {
+		struct timeval delay = { 0, 30*1000 };
+		evutil_usleep_(&delay);
+	}
+	if (cached_time_reset) {
+		event_base_update_cache_time(cached_time_base);
+	}
+end:
+	;
+}
+
+static void
+test_gettimeofday_cached(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_config *cfg = NULL;
+	struct event_base *base = NULL;
+	struct timeval tv1, tv2, tv3, now;
+	struct event *ev1=NULL, *ev2=NULL, *ev3=NULL;
+	int cached_time_disable = strstr(data->setup_data, "disable") != NULL;
+
+	cfg = event_config_new();
+	if (cached_time_disable) {
+		event_config_set_flag(cfg, EVENT_BASE_FLAG_NO_CACHE_TIME);
+	}
+	cached_time_base = base = event_base_new_with_config(cfg);
+	tt_assert(base);
+
+	/* Try gettimeofday_cached outside of an event loop. */
+	evutil_gettimeofday(&now, NULL);
+	tt_int_op(0, ==, event_base_gettimeofday_cached(NULL, &tv1));
+	tt_int_op(0, ==, event_base_gettimeofday_cached(base, &tv2));
+	tt_int_op(timeval_msec_diff(&tv1, &tv2), <, 10);
+	tt_int_op(timeval_msec_diff(&tv1, &now), <, 10);
+
+	cached_time_reset = strstr(data->setup_data, "reset") != NULL;
+	cached_time_sleep = strstr(data->setup_data, "sleep") != NULL;
+
+	ev1 = event_new(base, -1, 0, cache_time_cb, &tv1);
+	ev2 = event_new(base, -1, 0, cache_time_cb, &tv2);
+	ev3 = event_new(base, -1, 0, cache_time_cb, &tv3);
+
+	event_active(ev1, EV_TIMEOUT, 1);
+	event_active(ev2, EV_TIMEOUT, 1);
+	event_active(ev3, EV_TIMEOUT, 1);
+
+	event_base_dispatch(base);
+
+	if (cached_time_reset && cached_time_sleep) {
+		tt_int_op(labs(timeval_msec_diff(&tv1,&tv2)), >, 10);
+		tt_int_op(labs(timeval_msec_diff(&tv2,&tv3)), >, 10);
+	} else if (cached_time_disable && cached_time_sleep) {
+		tt_int_op(labs(timeval_msec_diff(&tv1,&tv2)), >, 10);
+		tt_int_op(labs(timeval_msec_diff(&tv2,&tv3)), >, 10);
+	} else if (! cached_time_disable) {
+		tt_assert(evutil_timercmp(&tv1, &tv2, ==));
+		tt_assert(evutil_timercmp(&tv2, &tv3, ==));
+	}
+
+end:
+	if (ev1)
+		event_free(ev1);
+	if (ev2)
+		event_free(ev2);
+	if (ev3)
+		event_free(ev3);
+	if (base)
+		event_base_free(base);
+	if (cfg)
+		event_config_free(cfg);
+}
+
+static void
+tabf_cb(evutil_socket_t fd, short what, void *arg)
+{
+	int *ptr = arg;
+	*ptr = what;
+	*ptr += 0x10000;
+}
+
+static void
+test_active_by_fd(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct event *ev1 = NULL, *ev2 = NULL, *ev3 = NULL, *ev4 = NULL;
+	int e1,e2,e3,e4;
+#ifndef _WIN32
+	struct event *evsig = NULL;
+	int es;
+#endif
+	struct timeval tenmin = { 600, 0 };
+
+	/* Ensure no crash on nonexistent FD. */
+	event_base_active_by_fd(base, 1000, EV_READ);
+
+	/* Ensure no crash on bogus FD. */
+	event_base_active_by_fd(base, -1, EV_READ);
+
+	/* Ensure no crash on nonexistent/bogus signal. */
+	event_base_active_by_signal(base, 1000);
+	event_base_active_by_signal(base, -1);
+
+	event_base_assert_ok_(base);
+
+	e1 = e2 = e3 = e4 = 0;
+	ev1 = event_new(base, data->pair[0], EV_READ, tabf_cb, &e1);
+	ev2 = event_new(base, data->pair[0], EV_WRITE, tabf_cb, &e2);
+	ev3 = event_new(base, data->pair[1], EV_READ, tabf_cb, &e3);
+	ev4 = event_new(base, data->pair[1], EV_READ, tabf_cb, &e4);
+	tt_assert(ev1);
+	tt_assert(ev2);
+	tt_assert(ev3);
+	tt_assert(ev4);
+#ifndef _WIN32
+	evsig = event_new(base, SIGHUP, EV_SIGNAL, tabf_cb, &es);
+	tt_assert(evsig);
+	event_add(evsig, &tenmin);
+#endif
+
+	event_add(ev1, &tenmin);
+	event_add(ev2, NULL);
+	event_add(ev3, NULL);
+	event_add(ev4, &tenmin);
+
+
+	event_base_assert_ok_(base);
+
+	/* Trigger 2, 3, 4 */
+	event_base_active_by_fd(base, data->pair[0], EV_WRITE);
+	event_base_active_by_fd(base, data->pair[1], EV_READ);
+#ifndef _WIN32
+	event_base_active_by_signal(base, SIGHUP);
+#endif
+
+	event_base_assert_ok_(base);
+
+	event_base_loop(base, EVLOOP_ONCE);
+
+	tt_int_op(e1, ==, 0);
+	tt_int_op(e2, ==, EV_WRITE | 0x10000);
+	tt_int_op(e3, ==, EV_READ | 0x10000);
+	/* Mask out EV_WRITE here, since it could be genuinely writeable. */
+	tt_int_op((e4 & ~EV_WRITE), ==, EV_READ | 0x10000);
+#ifndef _WIN32
+	tt_int_op(es, ==, EV_SIGNAL | 0x10000);
+#endif
+
+end:
+	if (ev1)
+		event_free(ev1);
+	if (ev2)
+		event_free(ev2);
+	if (ev3)
+		event_free(ev3);
+	if (ev4)
+		event_free(ev4);
+#ifndef _WIN32
+	if (evsig)
+		event_free(evsig);
+#endif
+}
+
+struct testcase_t main_testcases[] = {
+	/* Some converted-over tests */
+	{ "methods", test_methods, TT_FORK, NULL, NULL },
+	{ "version", test_version, 0, NULL, NULL },
+	BASIC(base_features, TT_FORK|TT_NO_LOGS),
+	{ "base_environ", test_base_environ, TT_FORK, NULL, NULL },
+
+	BASIC(event_base_new, TT_FORK|TT_NEED_SOCKETPAIR),
+	BASIC(free_active_base, TT_FORK|TT_NEED_SOCKETPAIR),
+
+	BASIC(manipulate_active_events, TT_FORK|TT_NEED_BASE),
+	BASIC(event_new_selfarg, TT_FORK|TT_NEED_BASE),
+	BASIC(event_assign_selfarg, TT_FORK|TT_NEED_BASE),
+	BASIC(event_base_get_num_events, TT_FORK|TT_NEED_BASE),
+	BASIC(event_base_get_max_events, TT_FORK|TT_NEED_BASE),
+
+	BASIC(bad_assign, TT_FORK|TT_NEED_BASE|TT_NO_LOGS),
+	BASIC(bad_reentrant, TT_FORK|TT_NEED_BASE|TT_NO_LOGS),
+	BASIC(active_later, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR),
+	BASIC(event_remove_timeout, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR),
+
+	/* These are still using the old API */
+	LEGACY(persistent_timeout, TT_FORK|TT_NEED_BASE),
+	{ "persistent_timeout_jump", test_persistent_timeout_jump, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "persistent_active_timeout", test_persistent_active_timeout,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	LEGACY(priorities, TT_FORK|TT_NEED_BASE),
+	BASIC(priority_active_inversion, TT_FORK|TT_NEED_BASE),
+	{ "common_timeout", test_common_timeout, TT_FORK|TT_NEED_BASE,
+	  &basic_setup, NULL },
+
+	/* These legacy tests may not all need all of these flags. */
+	LEGACY(simpleread, TT_ISOLATED),
+	LEGACY(simpleread_multiple, TT_ISOLATED),
+	LEGACY(simplewrite, TT_ISOLATED),
+	{ "simpleclose", test_simpleclose, TT_FORK, &basic_setup,
+	  NULL },
+	LEGACY(multiple, TT_ISOLATED),
+	LEGACY(persistent, TT_ISOLATED),
+	LEGACY(combined, TT_ISOLATED),
+	LEGACY(simpletimeout, TT_ISOLATED),
+	LEGACY(loopbreak, TT_ISOLATED),
+	LEGACY(loopexit, TT_ISOLATED),
+	LEGACY(loopexit_multiple, TT_ISOLATED),
+	LEGACY(nonpersist_readd, TT_ISOLATED),
+	LEGACY(multiple_events_for_same_fd, TT_ISOLATED),
+	LEGACY(want_only_once, TT_ISOLATED),
+	{ "event_once", test_event_once, TT_ISOLATED, &basic_setup, NULL },
+	{ "event_once_never", test_event_once_never, TT_ISOLATED, &basic_setup, NULL },
+	{ "event_pending", test_event_pending, TT_ISOLATED, &basic_setup,
+	  NULL },
+	{ "event_closed_fd_poll", test_event_closed_fd_poll, TT_ISOLATED, &basic_setup,
+	  NULL },
+
+#ifndef _WIN32
+	{ "dup_fd", test_dup_fd, TT_ISOLATED, &basic_setup, NULL },
+#endif
+	{ "mm_functions", test_mm_functions, TT_FORK, NULL, NULL },
+	{ "many_events", test_many_events, TT_ISOLATED, &basic_setup, NULL },
+	{ "many_events_slow_add", test_many_events, TT_ISOLATED, &basic_setup, (void*)1 },
+
+	{ "struct_event_size", test_struct_event_size, 0, NULL, NULL },
+	BASIC(get_assignment, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR),
+
+	BASIC(event_foreach, TT_FORK|TT_NEED_BASE),
+	{ "gettimeofday_cached", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"" },
+	{ "gettimeofday_cached_sleep", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep" },
+	{ "gettimeofday_cached_reset", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep reset" },
+	{ "gettimeofday_cached_disabled", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"sleep disable" },
+	{ "gettimeofday_cached_disabled_nosleep", test_gettimeofday_cached, TT_FORK, &basic_setup, (void*)"disable" },
+
+	BASIC(active_by_fd, TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR),
+
+#ifndef _WIN32
+	LEGACY(fork, TT_ISOLATED),
+#endif
+#ifdef EVENT__HAVE_PTHREADS
+	/** TODO: support win32 */
+	LEGACY(del_wait, TT_ISOLATED|TT_NEED_THREADS),
+#endif
+
+	END_OF_TESTCASES
+};
+
+struct testcase_t evtag_testcases[] = {
+	{ "int", evtag_int_test, TT_FORK, NULL, NULL },
+	{ "fuzz", evtag_fuzz, TT_FORK, NULL, NULL },
+	{ "encoding", evtag_tag_encoding, TT_FORK, NULL, NULL },
+	{ "peek", evtag_test_peek, 0, NULL, NULL },
+
+	END_OF_TESTCASES
+};
+
+struct testcase_t signal_testcases[] = {
+#ifndef _WIN32
+	LEGACY(simplestsignal, TT_ISOLATED),
+	LEGACY(simplesignal, TT_ISOLATED),
+	LEGACY(multiplesignal, TT_ISOLATED),
+	LEGACY(immediatesignal, TT_ISOLATED),
+	LEGACY(signal_dealloc, TT_ISOLATED),
+	LEGACY(signal_pipeloss, TT_ISOLATED),
+	LEGACY(signal_switchbase, TT_ISOLATED|TT_NO_LOGS),
+	LEGACY(signal_restore, TT_ISOLATED),
+	LEGACY(signal_assert, TT_ISOLATED),
+	LEGACY(signal_while_processing, TT_ISOLATED),
+#endif
+	END_OF_TESTCASES
+};
+
diff --git a/test/regress.gen.c b/test/regress.gen.c
new file mode 100644
index 0000000..da994a5
--- /dev/null
+++ b/test/regress.gen.c
@@ -0,0 +1,1225 @@
+/*
+ * Automatically generated from ./test/regress.rpc
+ * by event_rpcgen.py/0.1.  DO NOT EDIT THIS FILE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <event2/event-config.h>
+#include <event2/event.h>
+#include <event2/buffer.h>
+#include <event2/tag.h>
+
+#if defined(EVENT____func__) && !defined(__func__)
+#define __func__ EVENT____func__
+#endif
+
+
+#include "regress.gen.h"
+
+void event_warn(const char *fmt, ...);
+void event_warnx(const char *fmt, ...);
+
+
+/*
+ * Implementation of msg
+ */
+
+static struct msg_access_ msg_base__ = {
+  msg_from_name_assign,
+  msg_from_name_get,
+  msg_to_name_assign,
+  msg_to_name_get,
+  msg_attack_assign,
+  msg_attack_get,
+  msg_run_assign,
+  msg_run_get,
+  msg_run_add,
+};
+
+struct msg *
+msg_new(void)
+{
+  return msg_new_with_arg(NULL);
+}
+
+struct msg *
+msg_new_with_arg(void *unused)
+{
+  struct msg *tmp;
+  if ((tmp = malloc(sizeof(struct msg))) == NULL) {
+    event_warn("%s: malloc", __func__);
+    return (NULL);
+  }
+  tmp->base = &msg_base__;
+
+  tmp->from_name_data = NULL;
+  tmp->from_name_set = 0;
+
+  tmp->to_name_data = NULL;
+  tmp->to_name_set = 0;
+
+  tmp->attack_data = NULL;
+  tmp->attack_set = 0;
+
+  tmp->run_data = NULL;
+  tmp->run_length = 0;
+  tmp->run_num_allocated = 0;
+  tmp->run_set = 0;
+
+  return (tmp);
+}
+
+
+
+
+static int
+msg_run_expand_to_hold_more(struct msg *msg)
+{
+  int tobe_allocated = msg->run_num_allocated;
+  struct run** new_data = NULL;
+  tobe_allocated = !tobe_allocated ? 1 : tobe_allocated << 1;
+  new_data = (struct run**) realloc(msg->run_data,
+      tobe_allocated * sizeof(struct run*));
+  if (new_data == NULL)
+    return -1;
+  msg->run_data = new_data;
+  msg->run_num_allocated = tobe_allocated;
+  return 0;}
+
+struct run* 
+msg_run_add(struct msg *msg)
+{
+  if (++msg->run_length >= msg->run_num_allocated) {
+    if (msg_run_expand_to_hold_more(msg)<0)
+      goto error;
+  }
+  msg->run_data[msg->run_length - 1] = run_new();
+  if (msg->run_data[msg->run_length - 1] == NULL)
+    goto error;
+  msg->run_set = 1;
+  return (msg->run_data[msg->run_length - 1]);
+error:
+  --msg->run_length;
+  return (NULL);
+}
+
+int
+msg_from_name_assign(struct msg *msg,
+    const char * value)
+{
+  if (msg->from_name_data != NULL)
+    free(msg->from_name_data);
+  if ((msg->from_name_data = strdup(value)) == NULL)
+    return (-1);
+  msg->from_name_set = 1;
+  return (0);
+}
+
+int
+msg_to_name_assign(struct msg *msg,
+    const char * value)
+{
+  if (msg->to_name_data != NULL)
+    free(msg->to_name_data);
+  if ((msg->to_name_data = strdup(value)) == NULL)
+    return (-1);
+  msg->to_name_set = 1;
+  return (0);
+}
+
+int
+msg_attack_assign(struct msg *msg,
+    const struct kill* value)
+{
+   struct evbuffer *tmp = NULL;
+   if (msg->attack_set) {
+     kill_clear(msg->attack_data);
+     msg->attack_set = 0;
+   } else {
+     msg->attack_data = kill_new();
+     if (msg->attack_data == NULL) {
+       event_warn("%s: kill_new()", __func__);
+       goto error;
+     }
+   }
+   if ((tmp = evbuffer_new()) == NULL) {
+     event_warn("%s: evbuffer_new()", __func__);
+     goto error;
+   }
+   kill_marshal(tmp, value);
+   if (kill_unmarshal(msg->attack_data, tmp) == -1) {
+     event_warnx("%s: kill_unmarshal", __func__);
+     goto error;
+   }
+   msg->attack_set = 1;
+   evbuffer_free(tmp);
+   return (0);
+ error:
+   if (tmp != NULL)
+     evbuffer_free(tmp);
+   if (msg->attack_data != NULL) {
+     kill_free(msg->attack_data);
+     msg->attack_data = NULL;
+   }
+   return (-1);
+}
+
+int
+msg_run_assign(struct msg *msg, int off,
+    const struct run* value)
+{
+  if (!msg->run_set || off < 0 || off >= msg->run_length)
+    return (-1);
+
+  {
+    int had_error = 0;
+    struct evbuffer *tmp = NULL;
+    run_clear(msg->run_data[off]);
+    if ((tmp = evbuffer_new()) == NULL) {
+      event_warn("%s: evbuffer_new()", __func__);
+      had_error = 1;
+      goto done;
+    }
+    run_marshal(tmp, value);
+    if (run_unmarshal(msg->run_data[off], tmp) == -1) {
+      event_warnx("%s: run_unmarshal", __func__);
+      had_error = 1;
+      goto done;
+    }
+    done:if (tmp != NULL)
+      evbuffer_free(tmp);
+    if (had_error) {
+      run_clear(msg->run_data[off]);
+      return (-1);
+    }
+  }
+  return (0);
+}
+
+int
+msg_from_name_get(struct msg *msg, char * *value)
+{
+  if (msg->from_name_set != 1)
+    return (-1);
+  *value = msg->from_name_data;
+  return (0);
+}
+
+int
+msg_to_name_get(struct msg *msg, char * *value)
+{
+  if (msg->to_name_set != 1)
+    return (-1);
+  *value = msg->to_name_data;
+  return (0);
+}
+
+int
+msg_attack_get(struct msg *msg, struct kill* *value)
+{
+  if (msg->attack_set != 1) {
+    msg->attack_data = kill_new();
+    if (msg->attack_data == NULL)
+      return (-1);
+    msg->attack_set = 1;
+  }
+  *value = msg->attack_data;
+  return (0);
+}
+
+int
+msg_run_get(struct msg *msg, int offset,
+    struct run* *value)
+{
+  if (!msg->run_set || offset < 0 || offset >= msg->run_length)
+    return (-1);
+  *value = msg->run_data[offset];
+  return (0);
+}
+
+void
+msg_clear(struct msg *tmp)
+{
+  if (tmp->from_name_set == 1) {
+    free(tmp->from_name_data);
+    tmp->from_name_data = NULL;
+    tmp->from_name_set = 0;
+  }
+  if (tmp->to_name_set == 1) {
+    free(tmp->to_name_data);
+    tmp->to_name_data = NULL;
+    tmp->to_name_set = 0;
+  }
+  if (tmp->attack_set == 1) {
+    kill_free(tmp->attack_data);
+    tmp->attack_data = NULL;
+    tmp->attack_set = 0;
+  }
+  if (tmp->run_set == 1) {
+    int i;
+    for (i = 0; i < tmp->run_length; ++i) {
+      run_free(tmp->run_data[i]);
+    }
+    free(tmp->run_data);
+    tmp->run_data = NULL;
+    tmp->run_set = 0;
+    tmp->run_length = 0;
+    tmp->run_num_allocated = 0;
+  }
+}
+
+void
+msg_free(struct msg *tmp)
+{
+  if (tmp->from_name_data != NULL)
+      free (tmp->from_name_data);
+  if (tmp->to_name_data != NULL)
+      free (tmp->to_name_data);
+  if (tmp->attack_data != NULL)
+      kill_free(tmp->attack_data);
+  if (tmp->run_set == 1) {
+    int i;
+    for (i = 0; i < tmp->run_length; ++i) {
+      run_free(tmp->run_data[i]);
+    }
+    free(tmp->run_data);
+    tmp->run_data = NULL;
+    tmp->run_set = 0;
+    tmp->run_length = 0;
+    tmp->run_num_allocated = 0;
+  }
+  free(tmp->run_data);
+  free(tmp);
+}
+
+void
+msg_marshal(struct evbuffer *evbuf, const struct msg *tmp){
+  evtag_marshal_string(evbuf, MSG_FROM_NAME, tmp->from_name_data);
+  evtag_marshal_string(evbuf, MSG_TO_NAME, tmp->to_name_data);
+  if (tmp->attack_set) {
+    evtag_marshal_kill(evbuf, MSG_ATTACK, tmp->attack_data);
+  }
+  if (tmp->run_set) {
+    {
+      int i;
+      for (i = 0; i < tmp->run_length; ++i) {
+    evtag_marshal_run(evbuf, MSG_RUN, tmp->run_data[i]);
+      }
+    }
+  }
+}
+
+int
+msg_unmarshal(struct msg *tmp,  struct evbuffer *evbuf)
+{
+  ev_uint32_t tag;
+  while (evbuffer_get_length(evbuf) > 0) {
+    if (evtag_peek(evbuf, &tag) == -1)
+      return (-1);
+    switch (tag) {
+
+      case MSG_FROM_NAME:
+
+        if (tmp->from_name_set)
+          return (-1);
+        if (evtag_unmarshal_string(evbuf, MSG_FROM_NAME, &tmp->from_name_data) == -1) {
+          event_warnx("%s: failed to unmarshal from_name", __func__);
+          return (-1);
+        }
+        tmp->from_name_set = 1;
+        break;
+
+      case MSG_TO_NAME:
+
+        if (tmp->to_name_set)
+          return (-1);
+        if (evtag_unmarshal_string(evbuf, MSG_TO_NAME, &tmp->to_name_data) == -1) {
+          event_warnx("%s: failed to unmarshal to_name", __func__);
+          return (-1);
+        }
+        tmp->to_name_set = 1;
+        break;
+
+      case MSG_ATTACK:
+
+        if (tmp->attack_set)
+          return (-1);
+        tmp->attack_data = kill_new();
+        if (tmp->attack_data == NULL)
+          return (-1);
+        if (evtag_unmarshal_kill(evbuf, MSG_ATTACK, tmp->attack_data) == -1) {
+          event_warnx("%s: failed to unmarshal attack", __func__);
+          return (-1);
+        }
+        tmp->attack_set = 1;
+        break;
+
+      case MSG_RUN:
+
+        if (tmp->run_length >= tmp->run_num_allocated &&
+            msg_run_expand_to_hold_more(tmp) < 0) {
+          puts("HEY NOW");
+          return (-1);
+        }
+        tmp->run_data[tmp->run_length] = run_new();
+        if (tmp->run_data[tmp->run_length] == NULL)
+          return (-1);
+        if (evtag_unmarshal_run(evbuf, MSG_RUN, tmp->run_data[tmp->run_length]) == -1) {
+          event_warnx("%s: failed to unmarshal run", __func__);
+          return (-1);
+        }
+        ++tmp->run_length;
+        tmp->run_set = 1;
+        break;
+
+      default:
+        return -1;
+    }
+  }
+
+  if (msg_complete(tmp) == -1)
+    return (-1);
+  return (0);
+}
+
+int
+msg_complete(struct msg *msg)
+{
+  if (!msg->from_name_set)
+    return (-1);
+  if (!msg->to_name_set)
+    return (-1);
+  if (msg->attack_set && kill_complete(msg->attack_data) == -1)
+    return (-1);
+  {
+    int i;
+    for (i = 0; i < msg->run_length; ++i) {
+      if (msg->run_set && run_complete(msg->run_data[i]) == -1)
+        return (-1);
+    }
+  }
+  return (0);
+}
+
+int
+evtag_unmarshal_msg(struct evbuffer *evbuf, ev_uint32_t need_tag, struct msg *msg)
+{
+  ev_uint32_t tag;
+  int res = -1;
+
+  struct evbuffer *tmp = evbuffer_new();
+
+  if (evtag_unmarshal(evbuf, &tag, tmp) == -1 || tag != need_tag)
+    goto error;
+
+  if (msg_unmarshal(msg, tmp) == -1)
+    goto error;
+
+  res = 0;
+
+ error:
+  evbuffer_free(tmp);
+  return (res);
+}
+
+void
+evtag_marshal_msg(struct evbuffer *evbuf, ev_uint32_t tag, const struct msg *msg)
+{
+  struct evbuffer *buf_ = evbuffer_new();
+  assert(buf_ != NULL);
+  msg_marshal(buf_, msg);
+  evtag_marshal_buffer(evbuf, tag, buf_);
+   evbuffer_free(buf_);
+}
+
+/*
+ * Implementation of kill
+ */
+
+static struct kill_access_ kill_base__ = {
+  kill_weapon_assign,
+  kill_weapon_get,
+  kill_action_assign,
+  kill_action_get,
+  kill_how_often_assign,
+  kill_how_often_get,
+  kill_how_often_add,
+};
+
+struct kill *
+kill_new(void)
+{
+  return kill_new_with_arg(NULL);
+}
+
+struct kill *
+kill_new_with_arg(void *unused)
+{
+  struct kill *tmp;
+  if ((tmp = malloc(sizeof(struct kill))) == NULL) {
+    event_warn("%s: malloc", __func__);
+    return (NULL);
+  }
+  tmp->base = &kill_base__;
+
+  tmp->weapon_data = NULL;
+  tmp->weapon_set = 0;
+
+  tmp->action_data = NULL;
+  tmp->action_set = 0;
+
+  tmp->how_often_data = NULL;
+  tmp->how_often_length = 0;
+  tmp->how_often_num_allocated = 0;
+  tmp->how_often_set = 0;
+
+  return (tmp);
+}
+
+
+
+static int
+kill_how_often_expand_to_hold_more(struct kill *msg)
+{
+  int tobe_allocated = msg->how_often_num_allocated;
+  ev_uint32_t* new_data = NULL;
+  tobe_allocated = !tobe_allocated ? 1 : tobe_allocated << 1;
+  new_data = (ev_uint32_t*) realloc(msg->how_often_data,
+      tobe_allocated * sizeof(ev_uint32_t));
+  if (new_data == NULL)
+    return -1;
+  msg->how_often_data = new_data;
+  msg->how_often_num_allocated = tobe_allocated;
+  return 0;}
+
+ev_uint32_t *
+kill_how_often_add(struct kill *msg, const ev_uint32_t value)
+{
+  if (++msg->how_often_length >= msg->how_often_num_allocated) {
+    if (kill_how_often_expand_to_hold_more(msg)<0)
+      goto error;
+  }
+  msg->how_often_data[msg->how_often_length - 1] = value;
+  msg->how_often_set = 1;
+  return &(msg->how_often_data[msg->how_often_length - 1]);
+error:
+  --msg->how_often_length;
+  return (NULL);
+}
+
+int
+kill_weapon_assign(struct kill *msg,
+    const char * value)
+{
+  if (msg->weapon_data != NULL)
+    free(msg->weapon_data);
+  if ((msg->weapon_data = strdup(value)) == NULL)
+    return (-1);
+  msg->weapon_set = 1;
+  return (0);
+}
+
+int
+kill_action_assign(struct kill *msg,
+    const char * value)
+{
+  if (msg->action_data != NULL)
+    free(msg->action_data);
+  if ((msg->action_data = strdup(value)) == NULL)
+    return (-1);
+  msg->action_set = 1;
+  return (0);
+}
+
+int
+kill_how_often_assign(struct kill *msg, int off,
+    const ev_uint32_t value)
+{
+  if (!msg->how_often_set || off < 0 || off >= msg->how_often_length)
+    return (-1);
+
+  {
+    msg->how_often_data[off] = value;
+  }
+  return (0);
+}
+
+int
+kill_weapon_get(struct kill *msg, char * *value)
+{
+  if (msg->weapon_set != 1)
+    return (-1);
+  *value = msg->weapon_data;
+  return (0);
+}
+
+int
+kill_action_get(struct kill *msg, char * *value)
+{
+  if (msg->action_set != 1)
+    return (-1);
+  *value = msg->action_data;
+  return (0);
+}
+
+int
+kill_how_often_get(struct kill *msg, int offset,
+    ev_uint32_t *value)
+{
+  if (!msg->how_often_set || offset < 0 || offset >= msg->how_often_length)
+    return (-1);
+  *value = msg->how_often_data[offset];
+  return (0);
+}
+
+void
+kill_clear(struct kill *tmp)
+{
+  if (tmp->weapon_set == 1) {
+    free(tmp->weapon_data);
+    tmp->weapon_data = NULL;
+    tmp->weapon_set = 0;
+  }
+  if (tmp->action_set == 1) {
+    free(tmp->action_data);
+    tmp->action_data = NULL;
+    tmp->action_set = 0;
+  }
+  if (tmp->how_often_set == 1) {
+    free(tmp->how_often_data);
+    tmp->how_often_data = NULL;
+    tmp->how_often_set = 0;
+    tmp->how_often_length = 0;
+    tmp->how_often_num_allocated = 0;
+  }
+}
+
+void
+kill_free(struct kill *tmp)
+{
+  if (tmp->weapon_data != NULL)
+      free (tmp->weapon_data);
+  if (tmp->action_data != NULL)
+      free (tmp->action_data);
+  if (tmp->how_often_set == 1) {
+    free(tmp->how_often_data);
+    tmp->how_often_data = NULL;
+    tmp->how_often_set = 0;
+    tmp->how_often_length = 0;
+    tmp->how_often_num_allocated = 0;
+  }
+  free(tmp->how_often_data);
+  free(tmp);
+}
+
+void
+kill_marshal(struct evbuffer *evbuf, const struct kill *tmp){
+  evtag_marshal_string(evbuf, KILL_WEAPON, tmp->weapon_data);
+  evtag_marshal_string(evbuf, KILL_ACTION, tmp->action_data);
+  if (tmp->how_often_set) {
+    {
+      int i;
+      for (i = 0; i < tmp->how_often_length; ++i) {
+    evtag_marshal_int(evbuf, KILL_HOW_OFTEN, tmp->how_often_data[i]);
+      }
+    }
+  }
+}
+
+int
+kill_unmarshal(struct kill *tmp,  struct evbuffer *evbuf)
+{
+  ev_uint32_t tag;
+  while (evbuffer_get_length(evbuf) > 0) {
+    if (evtag_peek(evbuf, &tag) == -1)
+      return (-1);
+    switch (tag) {
+
+      case KILL_WEAPON:
+
+        if (tmp->weapon_set)
+          return (-1);
+        if (evtag_unmarshal_string(evbuf, KILL_WEAPON, &tmp->weapon_data) == -1) {
+          event_warnx("%s: failed to unmarshal weapon", __func__);
+          return (-1);
+        }
+        tmp->weapon_set = 1;
+        break;
+
+      case KILL_ACTION:
+
+        if (tmp->action_set)
+          return (-1);
+        if (evtag_unmarshal_string(evbuf, KILL_ACTION, &tmp->action_data) == -1) {
+          event_warnx("%s: failed to unmarshal action", __func__);
+          return (-1);
+        }
+        tmp->action_set = 1;
+        break;
+
+      case KILL_HOW_OFTEN:
+
+        if (tmp->how_often_length >= tmp->how_often_num_allocated &&
+            kill_how_often_expand_to_hold_more(tmp) < 0) {
+          puts("HEY NOW");
+          return (-1);
+        }
+        if (evtag_unmarshal_int(evbuf, KILL_HOW_OFTEN, &tmp->how_often_data[tmp->how_often_length]) == -1) {
+          event_warnx("%s: failed to unmarshal how_often", __func__);
+          return (-1);
+        }
+        ++tmp->how_often_length;
+        tmp->how_often_set = 1;
+        break;
+
+      default:
+        return -1;
+    }
+  }
+
+  if (kill_complete(tmp) == -1)
+    return (-1);
+  return (0);
+}
+
+int
+kill_complete(struct kill *msg)
+{
+  if (!msg->weapon_set)
+    return (-1);
+  if (!msg->action_set)
+    return (-1);
+  return (0);
+}
+
+int
+evtag_unmarshal_kill(struct evbuffer *evbuf, ev_uint32_t need_tag, struct kill *msg)
+{
+  ev_uint32_t tag;
+  int res = -1;
+
+  struct evbuffer *tmp = evbuffer_new();
+
+  if (evtag_unmarshal(evbuf, &tag, tmp) == -1 || tag != need_tag)
+    goto error;
+
+  if (kill_unmarshal(msg, tmp) == -1)
+    goto error;
+
+  res = 0;
+
+ error:
+  evbuffer_free(tmp);
+  return (res);
+}
+
+void
+evtag_marshal_kill(struct evbuffer *evbuf, ev_uint32_t tag, const struct kill *msg)
+{
+  struct evbuffer *buf_ = evbuffer_new();
+  assert(buf_ != NULL);
+  kill_marshal(buf_, msg);
+  evtag_marshal_buffer(evbuf, tag, buf_);
+   evbuffer_free(buf_);
+}
+
+/*
+ * Implementation of run
+ */
+
+static struct run_access_ run_base__ = {
+  run_how_assign,
+  run_how_get,
+  run_some_bytes_assign,
+  run_some_bytes_get,
+  run_fixed_bytes_assign,
+  run_fixed_bytes_get,
+  run_notes_assign,
+  run_notes_get,
+  run_notes_add,
+  run_large_number_assign,
+  run_large_number_get,
+  run_other_numbers_assign,
+  run_other_numbers_get,
+  run_other_numbers_add,
+};
+
+struct run *
+run_new(void)
+{
+  return run_new_with_arg(NULL);
+}
+
+struct run *
+run_new_with_arg(void *unused)
+{
+  struct run *tmp;
+  if ((tmp = malloc(sizeof(struct run))) == NULL) {
+    event_warn("%s: malloc", __func__);
+    return (NULL);
+  }
+  tmp->base = &run_base__;
+
+  tmp->how_data = NULL;
+  tmp->how_set = 0;
+
+  tmp->some_bytes_data = NULL;
+  tmp->some_bytes_length = 0;
+  tmp->some_bytes_set = 0;
+
+  memset(tmp->fixed_bytes_data, 0, sizeof(tmp->fixed_bytes_data));
+  tmp->fixed_bytes_set = 0;
+
+  tmp->notes_data = NULL;
+  tmp->notes_length = 0;
+  tmp->notes_num_allocated = 0;
+  tmp->notes_set = 0;
+
+  tmp->large_number_data = 0;
+  tmp->large_number_set = 0;
+
+  tmp->other_numbers_data = NULL;
+  tmp->other_numbers_length = 0;
+  tmp->other_numbers_num_allocated = 0;
+  tmp->other_numbers_set = 0;
+
+  return (tmp);
+}
+
+
+
+
+static int
+run_notes_expand_to_hold_more(struct run *msg)
+{
+  int tobe_allocated = msg->notes_num_allocated;
+  char ** new_data = NULL;
+  tobe_allocated = !tobe_allocated ? 1 : tobe_allocated << 1;
+  new_data = (char **) realloc(msg->notes_data,
+      tobe_allocated * sizeof(char *));
+  if (new_data == NULL)
+    return -1;
+  msg->notes_data = new_data;
+  msg->notes_num_allocated = tobe_allocated;
+  return 0;}
+
+char * *
+run_notes_add(struct run *msg, const char * value)
+{
+  if (++msg->notes_length >= msg->notes_num_allocated) {
+    if (run_notes_expand_to_hold_more(msg)<0)
+      goto error;
+  }
+  if (value != NULL) {
+    msg->notes_data[msg->notes_length - 1] = strdup(value);
+    if (msg->notes_data[msg->notes_length - 1] == NULL) {
+      goto error;
+    }
+  } else {
+    msg->notes_data[msg->notes_length - 1] = NULL;
+  }
+  msg->notes_set = 1;
+  return &(msg->notes_data[msg->notes_length - 1]);
+error:
+  --msg->notes_length;
+  return (NULL);
+}
+
+
+static int
+run_other_numbers_expand_to_hold_more(struct run *msg)
+{
+  int tobe_allocated = msg->other_numbers_num_allocated;
+  ev_uint32_t* new_data = NULL;
+  tobe_allocated = !tobe_allocated ? 1 : tobe_allocated << 1;
+  new_data = (ev_uint32_t*) realloc(msg->other_numbers_data,
+      tobe_allocated * sizeof(ev_uint32_t));
+  if (new_data == NULL)
+    return -1;
+  msg->other_numbers_data = new_data;
+  msg->other_numbers_num_allocated = tobe_allocated;
+  return 0;}
+
+ev_uint32_t *
+run_other_numbers_add(struct run *msg, const ev_uint32_t value)
+{
+  if (++msg->other_numbers_length >= msg->other_numbers_num_allocated) {
+    if (run_other_numbers_expand_to_hold_more(msg)<0)
+      goto error;
+  }
+  msg->other_numbers_data[msg->other_numbers_length - 1] = value;
+  msg->other_numbers_set = 1;
+  return &(msg->other_numbers_data[msg->other_numbers_length - 1]);
+error:
+  --msg->other_numbers_length;
+  return (NULL);
+}
+
+int
+run_how_assign(struct run *msg,
+    const char * value)
+{
+  if (msg->how_data != NULL)
+    free(msg->how_data);
+  if ((msg->how_data = strdup(value)) == NULL)
+    return (-1);
+  msg->how_set = 1;
+  return (0);
+}
+
+int
+run_some_bytes_assign(struct run *msg, const ev_uint8_t * value, ev_uint32_t len)
+{
+  if (msg->some_bytes_data != NULL)
+    free (msg->some_bytes_data);
+  msg->some_bytes_data = malloc(len);
+  if (msg->some_bytes_data == NULL)
+    return (-1);
+  msg->some_bytes_set = 1;
+  msg->some_bytes_length = len;
+  memcpy(msg->some_bytes_data, value, len);
+  return (0);
+}
+
+int
+run_fixed_bytes_assign(struct run *msg, const ev_uint8_t *value)
+{
+  msg->fixed_bytes_set = 1;
+  memcpy(msg->fixed_bytes_data, value, 24);
+  return (0);
+}
+
+int
+run_notes_assign(struct run *msg, int off,
+    const char * value)
+{
+  if (!msg->notes_set || off < 0 || off >= msg->notes_length)
+    return (-1);
+
+  {
+    if (msg->notes_data[off] != NULL)
+      free(msg->notes_data[off]);
+    msg->notes_data[off] = strdup(value);
+    if (msg->notes_data[off] == NULL) {
+      event_warnx("%s: strdup", __func__);
+      return (-1);
+    }
+  }
+  return (0);
+}
+
+int
+run_large_number_assign(struct run *msg, const ev_uint64_t value)
+{
+  msg->large_number_set = 1;
+  msg->large_number_data = value;
+  return (0);
+}
+
+int
+run_other_numbers_assign(struct run *msg, int off,
+    const ev_uint32_t value)
+{
+  if (!msg->other_numbers_set || off < 0 || off >= msg->other_numbers_length)
+    return (-1);
+
+  {
+    msg->other_numbers_data[off] = value;
+  }
+  return (0);
+}
+
+int
+run_how_get(struct run *msg, char * *value)
+{
+  if (msg->how_set != 1)
+    return (-1);
+  *value = msg->how_data;
+  return (0);
+}
+
+int
+run_some_bytes_get(struct run *msg, ev_uint8_t * *value, ev_uint32_t *plen)
+{
+  if (msg->some_bytes_set != 1)
+    return (-1);
+  *value = msg->some_bytes_data;
+  *plen = msg->some_bytes_length;
+  return (0);
+}
+
+int
+run_fixed_bytes_get(struct run *msg, ev_uint8_t **value)
+{
+  if (msg->fixed_bytes_set != 1)
+    return (-1);
+  *value = msg->fixed_bytes_data;
+  return (0);
+}
+
+int
+run_notes_get(struct run *msg, int offset,
+    char * *value)
+{
+  if (!msg->notes_set || offset < 0 || offset >= msg->notes_length)
+    return (-1);
+  *value = msg->notes_data[offset];
+  return (0);
+}
+
+int
+run_large_number_get(struct run *msg, ev_uint64_t *value)
+{
+  if (msg->large_number_set != 1)
+    return (-1);
+  *value = msg->large_number_data;
+  return (0);
+}
+
+int
+run_other_numbers_get(struct run *msg, int offset,
+    ev_uint32_t *value)
+{
+  if (!msg->other_numbers_set || offset < 0 || offset >= msg->other_numbers_length)
+    return (-1);
+  *value = msg->other_numbers_data[offset];
+  return (0);
+}
+
+void
+run_clear(struct run *tmp)
+{
+  if (tmp->how_set == 1) {
+    free(tmp->how_data);
+    tmp->how_data = NULL;
+    tmp->how_set = 0;
+  }
+  if (tmp->some_bytes_set == 1) {
+    free (tmp->some_bytes_data);
+    tmp->some_bytes_data = NULL;
+    tmp->some_bytes_length = 0;
+    tmp->some_bytes_set = 0;
+  }
+  tmp->fixed_bytes_set = 0;
+  memset(tmp->fixed_bytes_data, 0, sizeof(tmp->fixed_bytes_data));
+  if (tmp->notes_set == 1) {
+    int i;
+    for (i = 0; i < tmp->notes_length; ++i) {
+      if (tmp->notes_data[i] != NULL) free(tmp->notes_data[i]);
+    }
+    free(tmp->notes_data);
+    tmp->notes_data = NULL;
+    tmp->notes_set = 0;
+    tmp->notes_length = 0;
+    tmp->notes_num_allocated = 0;
+  }
+  tmp->large_number_set = 0;
+  if (tmp->other_numbers_set == 1) {
+    free(tmp->other_numbers_data);
+    tmp->other_numbers_data = NULL;
+    tmp->other_numbers_set = 0;
+    tmp->other_numbers_length = 0;
+    tmp->other_numbers_num_allocated = 0;
+  }
+}
+
+void
+run_free(struct run *tmp)
+{
+  if (tmp->how_data != NULL)
+      free (tmp->how_data);
+  if (tmp->some_bytes_data != NULL)
+      free(tmp->some_bytes_data);
+  if (tmp->notes_set == 1) {
+    int i;
+    for (i = 0; i < tmp->notes_length; ++i) {
+      if (tmp->notes_data[i] != NULL) free(tmp->notes_data[i]);
+    }
+    free(tmp->notes_data);
+    tmp->notes_data = NULL;
+    tmp->notes_set = 0;
+    tmp->notes_length = 0;
+    tmp->notes_num_allocated = 0;
+  }
+  free(tmp->notes_data);
+  if (tmp->other_numbers_set == 1) {
+    free(tmp->other_numbers_data);
+    tmp->other_numbers_data = NULL;
+    tmp->other_numbers_set = 0;
+    tmp->other_numbers_length = 0;
+    tmp->other_numbers_num_allocated = 0;
+  }
+  free(tmp->other_numbers_data);
+  free(tmp);
+}
+
+void
+run_marshal(struct evbuffer *evbuf, const struct run *tmp){
+  evtag_marshal_string(evbuf, RUN_HOW, tmp->how_data);
+  if (tmp->some_bytes_set) {
+    evtag_marshal(evbuf, RUN_SOME_BYTES, tmp->some_bytes_data, tmp->some_bytes_length);
+  }
+  evtag_marshal(evbuf, RUN_FIXED_BYTES, tmp->fixed_bytes_data, (24));
+  if (tmp->notes_set) {
+    {
+      int i;
+      for (i = 0; i < tmp->notes_length; ++i) {
+    evtag_marshal_string(evbuf, RUN_NOTES, tmp->notes_data[i]);
+      }
+    }
+  }
+  if (tmp->large_number_set) {
+    evtag_marshal_int64(evbuf, RUN_LARGE_NUMBER, tmp->large_number_data);
+  }
+  if (tmp->other_numbers_set) {
+    {
+      int i;
+      for (i = 0; i < tmp->other_numbers_length; ++i) {
+    evtag_marshal_int(evbuf, RUN_OTHER_NUMBERS, tmp->other_numbers_data[i]);
+      }
+    }
+  }
+}
+
+int
+run_unmarshal(struct run *tmp,  struct evbuffer *evbuf)
+{
+  ev_uint32_t tag;
+  while (evbuffer_get_length(evbuf) > 0) {
+    if (evtag_peek(evbuf, &tag) == -1)
+      return (-1);
+    switch (tag) {
+
+      case RUN_HOW:
+
+        if (tmp->how_set)
+          return (-1);
+        if (evtag_unmarshal_string(evbuf, RUN_HOW, &tmp->how_data) == -1) {
+          event_warnx("%s: failed to unmarshal how", __func__);
+          return (-1);
+        }
+        tmp->how_set = 1;
+        break;
+
+      case RUN_SOME_BYTES:
+
+        if (tmp->some_bytes_set)
+          return (-1);
+        if (evtag_payload_length(evbuf, &tmp->some_bytes_length) == -1)
+          return (-1);
+        if (tmp->some_bytes_length > evbuffer_get_length(evbuf))
+          return (-1);
+        if ((tmp->some_bytes_data = malloc(tmp->some_bytes_length)) == NULL)
+          return (-1);
+        if (evtag_unmarshal_fixed(evbuf, RUN_SOME_BYTES, tmp->some_bytes_data, tmp->some_bytes_length) == -1) {
+          event_warnx("%s: failed to unmarshal some_bytes", __func__);
+          return (-1);
+        }
+        tmp->some_bytes_set = 1;
+        break;
+
+      case RUN_FIXED_BYTES:
+
+        if (tmp->fixed_bytes_set)
+          return (-1);
+        if (evtag_unmarshal_fixed(evbuf, RUN_FIXED_BYTES, tmp->fixed_bytes_data, (24)) == -1) {
+          event_warnx("%s: failed to unmarshal fixed_bytes", __func__);
+          return (-1);
+        }
+        tmp->fixed_bytes_set = 1;
+        break;
+
+      case RUN_NOTES:
+
+        if (tmp->notes_length >= tmp->notes_num_allocated &&
+            run_notes_expand_to_hold_more(tmp) < 0) {
+          puts("HEY NOW");
+          return (-1);
+        }
+        if (evtag_unmarshal_string(evbuf, RUN_NOTES, &tmp->notes_data[tmp->notes_length]) == -1) {
+          event_warnx("%s: failed to unmarshal notes", __func__);
+          return (-1);
+        }
+        ++tmp->notes_length;
+        tmp->notes_set = 1;
+        break;
+
+      case RUN_LARGE_NUMBER:
+
+        if (tmp->large_number_set)
+          return (-1);
+        if (evtag_unmarshal_int64(evbuf, RUN_LARGE_NUMBER, &tmp->large_number_data) == -1) {
+          event_warnx("%s: failed to unmarshal large_number", __func__);
+          return (-1);
+        }
+        tmp->large_number_set = 1;
+        break;
+
+      case RUN_OTHER_NUMBERS:
+
+        if (tmp->other_numbers_length >= tmp->other_numbers_num_allocated &&
+            run_other_numbers_expand_to_hold_more(tmp) < 0) {
+          puts("HEY NOW");
+          return (-1);
+        }
+        if (evtag_unmarshal_int(evbuf, RUN_OTHER_NUMBERS, &tmp->other_numbers_data[tmp->other_numbers_length]) == -1) {
+          event_warnx("%s: failed to unmarshal other_numbers", __func__);
+          return (-1);
+        }
+        ++tmp->other_numbers_length;
+        tmp->other_numbers_set = 1;
+        break;
+
+      default:
+        return -1;
+    }
+  }
+
+  if (run_complete(tmp) == -1)
+    return (-1);
+  return (0);
+}
+
+int
+run_complete(struct run *msg)
+{
+  if (!msg->how_set)
+    return (-1);
+  if (!msg->fixed_bytes_set)
+    return (-1);
+  return (0);
+}
+
+int
+evtag_unmarshal_run(struct evbuffer *evbuf, ev_uint32_t need_tag, struct run *msg)
+{
+  ev_uint32_t tag;
+  int res = -1;
+
+  struct evbuffer *tmp = evbuffer_new();
+
+  if (evtag_unmarshal(evbuf, &tag, tmp) == -1 || tag != need_tag)
+    goto error;
+
+  if (run_unmarshal(msg, tmp) == -1)
+    goto error;
+
+  res = 0;
+
+ error:
+  evbuffer_free(tmp);
+  return (res);
+}
+
+void
+evtag_marshal_run(struct evbuffer *evbuf, ev_uint32_t tag, const struct run *msg)
+{
+  struct evbuffer *buf_ = evbuffer_new();
+  assert(buf_ != NULL);
+  run_marshal(buf_, msg);
+  evtag_marshal_buffer(evbuf, tag, buf_);
+   evbuffer_free(buf_);
+}
+
diff --git a/test/regress.gen.h b/test/regress.gen.h
new file mode 100644
index 0000000..86b8d7f
--- /dev/null
+++ b/test/regress.gen.h
@@ -0,0 +1,207 @@
+/*
+ * Automatically generated from ./test/regress.rpc
+ */
+
+#ifndef EVENT_RPCOUT___TEST_REGRESS_RPC_
+#define EVENT_RPCOUT___TEST_REGRESS_RPC_
+
+#include <event2/util.h> /* for ev_uint*_t */
+#include <event2/rpc.h>
+
+struct msg;
+struct kill;
+struct run;
+
+/* Tag definition for msg */
+enum msg_ {
+  MSG_FROM_NAME=1,
+  MSG_TO_NAME=2,
+  MSG_ATTACK=3,
+  MSG_RUN=4,
+  MSG_MAX_TAGS
+};
+
+/* Structure declaration for msg */
+struct msg_access_ {
+  int (*from_name_assign)(struct msg *, const char *);
+  int (*from_name_get)(struct msg *, char * *);
+  int (*to_name_assign)(struct msg *, const char *);
+  int (*to_name_get)(struct msg *, char * *);
+  int (*attack_assign)(struct msg *, const struct kill*);
+  int (*attack_get)(struct msg *, struct kill* *);
+  int (*run_assign)(struct msg *, int, const struct run*);
+  int (*run_get)(struct msg *, int, struct run* *);
+  struct run*  (*run_add)(struct msg *msg);
+};
+
+struct msg {
+  struct msg_access_ *base;
+
+  char *from_name_data;
+  char *to_name_data;
+  struct kill* attack_data;
+  struct run* *run_data;
+  int run_length;
+  int run_num_allocated;
+
+  ev_uint8_t from_name_set;
+  ev_uint8_t to_name_set;
+  ev_uint8_t attack_set;
+  ev_uint8_t run_set;
+};
+
+struct msg *msg_new(void);
+struct msg *msg_new_with_arg(void *);
+void msg_free(struct msg *);
+void msg_clear(struct msg *);
+void msg_marshal(struct evbuffer *, const struct msg *);
+int msg_unmarshal(struct msg *, struct evbuffer *);
+int msg_complete(struct msg *);
+void evtag_marshal_msg(struct evbuffer *, ev_uint32_t,
+    const struct msg *);
+int evtag_unmarshal_msg(struct evbuffer *, ev_uint32_t,
+    struct msg *);
+int msg_from_name_assign(struct msg *, const char *);
+int msg_from_name_get(struct msg *, char * *);
+int msg_to_name_assign(struct msg *, const char *);
+int msg_to_name_get(struct msg *, char * *);
+int msg_attack_assign(struct msg *, const struct kill*);
+int msg_attack_get(struct msg *, struct kill* *);
+int msg_run_assign(struct msg *, int, const struct run*);
+int msg_run_get(struct msg *, int, struct run* *);
+struct run*  msg_run_add(struct msg *msg);
+/* --- msg done --- */
+
+/* Tag definition for kill */
+enum kill_ {
+  KILL_WEAPON=65825,
+  KILL_ACTION=2,
+  KILL_HOW_OFTEN=3,
+  KILL_MAX_TAGS
+};
+
+/* Structure declaration for kill */
+struct kill_access_ {
+  int (*weapon_assign)(struct kill *, const char *);
+  int (*weapon_get)(struct kill *, char * *);
+  int (*action_assign)(struct kill *, const char *);
+  int (*action_get)(struct kill *, char * *);
+  int (*how_often_assign)(struct kill *, int, const ev_uint32_t);
+  int (*how_often_get)(struct kill *, int, ev_uint32_t *);
+  ev_uint32_t * (*how_often_add)(struct kill *msg, const ev_uint32_t value);
+};
+
+struct kill {
+  struct kill_access_ *base;
+
+  char *weapon_data;
+  char *action_data;
+  ev_uint32_t *how_often_data;
+  int how_often_length;
+  int how_often_num_allocated;
+
+  ev_uint8_t weapon_set;
+  ev_uint8_t action_set;
+  ev_uint8_t how_often_set;
+};
+
+struct kill *kill_new(void);
+struct kill *kill_new_with_arg(void *);
+void kill_free(struct kill *);
+void kill_clear(struct kill *);
+void kill_marshal(struct evbuffer *, const struct kill *);
+int kill_unmarshal(struct kill *, struct evbuffer *);
+int kill_complete(struct kill *);
+void evtag_marshal_kill(struct evbuffer *, ev_uint32_t,
+    const struct kill *);
+int evtag_unmarshal_kill(struct evbuffer *, ev_uint32_t,
+    struct kill *);
+int kill_weapon_assign(struct kill *, const char *);
+int kill_weapon_get(struct kill *, char * *);
+int kill_action_assign(struct kill *, const char *);
+int kill_action_get(struct kill *, char * *);
+int kill_how_often_assign(struct kill *, int, const ev_uint32_t);
+int kill_how_often_get(struct kill *, int, ev_uint32_t *);
+ev_uint32_t * kill_how_often_add(struct kill *msg, const ev_uint32_t value);
+/* --- kill done --- */
+
+/* Tag definition for run */
+enum run_ {
+  RUN_HOW=1,
+  RUN_SOME_BYTES=2,
+  RUN_FIXED_BYTES=3,
+  RUN_NOTES=4,
+  RUN_LARGE_NUMBER=5,
+  RUN_OTHER_NUMBERS=6,
+  RUN_MAX_TAGS
+};
+
+/* Structure declaration for run */
+struct run_access_ {
+  int (*how_assign)(struct run *, const char *);
+  int (*how_get)(struct run *, char * *);
+  int (*some_bytes_assign)(struct run *, const ev_uint8_t *, ev_uint32_t);
+  int (*some_bytes_get)(struct run *, ev_uint8_t * *, ev_uint32_t *);
+  int (*fixed_bytes_assign)(struct run *, const ev_uint8_t *);
+  int (*fixed_bytes_get)(struct run *, ev_uint8_t **);
+  int (*notes_assign)(struct run *, int, const char *);
+  int (*notes_get)(struct run *, int, char * *);
+  char * * (*notes_add)(struct run *msg, const char * value);
+  int (*large_number_assign)(struct run *, const ev_uint64_t);
+  int (*large_number_get)(struct run *, ev_uint64_t *);
+  int (*other_numbers_assign)(struct run *, int, const ev_uint32_t);
+  int (*other_numbers_get)(struct run *, int, ev_uint32_t *);
+  ev_uint32_t * (*other_numbers_add)(struct run *msg, const ev_uint32_t value);
+};
+
+struct run {
+  struct run_access_ *base;
+
+  char *how_data;
+  ev_uint8_t *some_bytes_data;
+  ev_uint32_t some_bytes_length;
+  ev_uint8_t fixed_bytes_data[24];
+  char * *notes_data;
+  int notes_length;
+  int notes_num_allocated;
+  ev_uint64_t large_number_data;
+  ev_uint32_t *other_numbers_data;
+  int other_numbers_length;
+  int other_numbers_num_allocated;
+
+  ev_uint8_t how_set;
+  ev_uint8_t some_bytes_set;
+  ev_uint8_t fixed_bytes_set;
+  ev_uint8_t notes_set;
+  ev_uint8_t large_number_set;
+  ev_uint8_t other_numbers_set;
+};
+
+struct run *run_new(void);
+struct run *run_new_with_arg(void *);
+void run_free(struct run *);
+void run_clear(struct run *);
+void run_marshal(struct evbuffer *, const struct run *);
+int run_unmarshal(struct run *, struct evbuffer *);
+int run_complete(struct run *);
+void evtag_marshal_run(struct evbuffer *, ev_uint32_t,
+    const struct run *);
+int evtag_unmarshal_run(struct evbuffer *, ev_uint32_t,
+    struct run *);
+int run_how_assign(struct run *, const char *);
+int run_how_get(struct run *, char * *);
+int run_some_bytes_assign(struct run *, const ev_uint8_t *, ev_uint32_t);
+int run_some_bytes_get(struct run *, ev_uint8_t * *, ev_uint32_t *);
+int run_fixed_bytes_assign(struct run *, const ev_uint8_t *);
+int run_fixed_bytes_get(struct run *, ev_uint8_t **);
+int run_notes_assign(struct run *, int, const char *);
+int run_notes_get(struct run *, int, char * *);
+char * * run_notes_add(struct run *msg, const char * value);
+int run_large_number_assign(struct run *, const ev_uint64_t);
+int run_large_number_get(struct run *, ev_uint64_t *);
+int run_other_numbers_assign(struct run *, int, const ev_uint32_t);
+int run_other_numbers_get(struct run *, int, ev_uint32_t *);
+ev_uint32_t * run_other_numbers_add(struct run *msg, const ev_uint32_t value);
+/* --- run done --- */
+
+#endif  /* EVENT_RPCOUT___TEST_REGRESS_RPC_ */
diff --git a/test/regress.h b/test/regress.h
new file mode 100644
index 0000000..de1aed3
--- /dev/null
+++ b/test/regress.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef REGRESS_H_INCLUDED_
+#define REGRESS_H_INCLUDED_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+extern struct testcase_t main_testcases[];
+extern struct testcase_t evtag_testcases[];
+extern struct testcase_t evbuffer_testcases[];
+extern struct testcase_t finalize_testcases[];
+extern struct testcase_t bufferevent_testcases[];
+extern struct testcase_t bufferevent_iocp_testcases[];
+extern struct testcase_t util_testcases[];
+extern struct testcase_t signal_testcases[];
+extern struct testcase_t http_testcases[];
+extern struct testcase_t dns_testcases[];
+extern struct testcase_t rpc_testcases[];
+extern struct testcase_t edgetriggered_testcases[];
+extern struct testcase_t minheap_testcases[];
+extern struct testcase_t iocp_testcases[];
+extern struct testcase_t ssl_testcases[];
+extern struct testcase_t listener_testcases[];
+extern struct testcase_t listener_iocp_testcases[];
+extern struct testcase_t thread_testcases[];
+
+extern struct evutil_weakrand_state test_weakrand_state;
+
+#define test_weakrand() (evutil_weakrand_(&test_weakrand_state))
+
+void regress_threads(void *);
+void test_bufferevent_zlib(void *);
+
+/* Helpers to wrap old testcases */
+extern evutil_socket_t pair[2];
+extern int test_ok;
+extern int called;
+extern struct event_base *global_base;
+extern int in_legacy_test_wrapper;
+
+int regress_make_tmpfile(const void *data, size_t datalen, char **filename_out);
+
+struct basic_test_data {
+	struct event_base *base;
+	evutil_socket_t pair[2];
+
+	void (*legacy_test_fn)(void);
+
+	void *setup_data;
+};
+extern const struct testcase_setup_t basic_setup;
+
+
+extern const struct testcase_setup_t legacy_setup;
+void run_legacy_test_fn(void *ptr);
+
+extern int libevent_tests_running_in_debug_mode;
+
+/* A couple of flags that basic/legacy_setup can support. */
+#define TT_NEED_SOCKETPAIR	TT_FIRST_USER_FLAG
+#define TT_NEED_BASE		(TT_FIRST_USER_FLAG<<1)
+#define TT_NEED_DNS		(TT_FIRST_USER_FLAG<<2)
+#define TT_LEGACY		(TT_FIRST_USER_FLAG<<3)
+#define TT_NEED_THREADS		(TT_FIRST_USER_FLAG<<4)
+#define TT_NO_LOGS		(TT_FIRST_USER_FLAG<<5)
+#define TT_ENABLE_IOCP_FLAG	(TT_FIRST_USER_FLAG<<6)
+#define TT_ENABLE_IOCP		(TT_ENABLE_IOCP_FLAG|TT_NEED_THREADS)
+
+/* All the flags that a legacy test needs. */
+#define TT_ISOLATED TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_BASE
+
+
+#define BASIC(name,flags)						\
+	{ #name, test_## name, flags, &basic_setup, NULL }
+
+#define LEGACY(name,flags)						\
+	{ #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup,	\
+	  test_## name }
+
+struct evutil_addrinfo;
+struct evutil_addrinfo *ai_find_by_family(struct evutil_addrinfo *ai, int f);
+struct evutil_addrinfo *ai_find_by_protocol(struct evutil_addrinfo *ai, int p);
+int test_ai_eq_(const struct evutil_addrinfo *ai, const char *sockaddr_port,
+    int socktype, int protocol, int line);
+
+#define test_ai_eq(ai, str, s, p) do {					\
+		if (test_ai_eq_((ai), (str), (s), (p), __LINE__)<0)	\
+			goto end;					\
+	} while (0)
+
+#define test_timeval_diff_leq(tv1, tv2, diff, tolerance)		\
+	tt_int_op(labs(timeval_msec_diff((tv1), (tv2)) - diff), <=, tolerance)
+
+#define test_timeval_diff_eq(tv1, tv2, diff)				\
+	test_timeval_diff_leq((tv1), (tv2), (diff), 50)
+
+long timeval_msec_diff(const struct timeval *start, const struct timeval *end);
+
+#ifndef _WIN32
+pid_t regress_fork(void);
+#endif
+
+#ifdef EVENT__HAVE_OPENSSL
+#include <openssl/ssl.h>
+EVP_PKEY *ssl_getkey(void);
+X509 *ssl_getcert(void);
+SSL_CTX *get_ssl_ctx(void);
+void init_ssl(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* REGRESS_H_INCLUDED_ */
diff --git a/test/regress.rpc b/test/regress.rpc
new file mode 100644
index 0000000..0ee904e
--- /dev/null
+++ b/test/regress.rpc
@@ -0,0 +1,25 @@
+/* tests data packing and unpacking */
+
+struct msg {
+	string /* sender */ from_name = 1; /* be verbose */
+	string to_name = 2;
+	optional struct[kill] attack = 3;
+	array struct[run] run = 4;
+}
+
+struct kill {
+	string weapon = 0x10121;
+	string action = 2;
+	array int how_often = 3;
+}
+
+struct run {
+	string how = 1;
+	optional bytes some_bytes = 2;
+
+	bytes fixed_bytes[24] = 3;
+	array string notes = 4;
+
+	optional int64 large_number = 5;
+	array int other_numbers = 6;
+}
diff --git a/test/regress_buffer.c b/test/regress_buffer.c
new file mode 100644
index 0000000..1af75f5
--- /dev/null
+++ b/test/regress_buffer.c
@@ -0,0 +1,2563 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "event2/event.h"
+#include "event2/buffer.h"
+#include "event2/buffer_compat.h"
+#include "event2/util.h"
+
+#include "defer-internal.h"
+#include "evbuffer-internal.h"
+#include "log-internal.h"
+
+#include "regress.h"
+
+/* Validates that an evbuffer is good. Returns false if it isn't, true if it
+ * is*/
+static int
+evbuffer_validate_(struct evbuffer *buf)
+{
+	struct evbuffer_chain *chain;
+	size_t sum = 0;
+	int found_last_with_datap = 0;
+
+	if (buf->first == NULL) {
+		tt_assert(buf->last == NULL);
+		tt_assert(buf->total_len == 0);
+	}
+
+	chain = buf->first;
+
+	tt_assert(buf->last_with_datap);
+	if (buf->last_with_datap == &buf->first)
+		found_last_with_datap = 1;
+
+	while (chain != NULL) {
+		if (&chain->next == buf->last_with_datap)
+			found_last_with_datap = 1;
+		sum += chain->off;
+		if (chain->next == NULL) {
+			tt_assert(buf->last == chain);
+		}
+		tt_assert(chain->buffer_len >= chain->misalign + chain->off);
+		chain = chain->next;
+	}
+
+	if (buf->first)
+		tt_assert(*buf->last_with_datap);
+
+	if (*buf->last_with_datap) {
+		chain = *buf->last_with_datap;
+		if (chain->off == 0 || buf->total_len == 0) {
+			tt_assert(chain->off == 0)
+			tt_assert(chain == buf->first);
+			tt_assert(buf->total_len == 0);
+		}
+		chain = chain->next;
+		while (chain != NULL) {
+			tt_assert(chain->off == 0);
+			chain = chain->next;
+		}
+	} else {
+		tt_assert(buf->last_with_datap == &buf->first);
+	}
+	tt_assert(found_last_with_datap);
+
+	tt_assert(sum == buf->total_len);
+	return 1;
+ end:
+	return 0;
+}
+
+static void
+evbuffer_get_waste(struct evbuffer *buf, size_t *allocatedp, size_t *wastedp, size_t *usedp)
+{
+	struct evbuffer_chain *chain;
+	size_t a, w, u;
+	int n = 0;
+	u = a = w = 0;
+
+	chain = buf->first;
+	/* skip empty at start */
+	while (chain && chain->off==0) {
+		++n;
+		a += chain->buffer_len;
+		chain = chain->next;
+	}
+	/* first nonempty chain: stuff at the end only is wasted. */
+	if (chain) {
+		++n;
+		a += chain->buffer_len;
+		u += chain->off;
+		if (chain->next && chain->next->off)
+			w += (size_t)(chain->buffer_len - (chain->misalign + chain->off));
+		chain = chain->next;
+	}
+	/* subsequent nonempty chains */
+	while (chain && chain->off) {
+		++n;
+		a += chain->buffer_len;
+		w += (size_t)chain->misalign;
+		u += chain->off;
+		if (chain->next && chain->next->off)
+			w += (size_t) (chain->buffer_len - (chain->misalign + chain->off));
+		chain = chain->next;
+	}
+	/* subsequent empty chains */
+	while (chain) {
+		++n;
+		a += chain->buffer_len;
+	}
+	*allocatedp = a;
+	*wastedp = w;
+	*usedp = u;
+}
+
+#define evbuffer_validate(buf)			\
+	TT_STMT_BEGIN if (!evbuffer_validate_(buf)) TT_DIE(("Buffer format invalid")); TT_STMT_END
+
+static void
+test_evbuffer(void *ptr)
+{
+	static char buffer[512], *tmp;
+	struct evbuffer *evb = evbuffer_new();
+	struct evbuffer *evb_two = evbuffer_new();
+	size_t sz_tmp;
+	int i;
+
+	evbuffer_validate(evb);
+	evbuffer_add_printf(evb, "%s/%d", "hello", 1);
+	evbuffer_validate(evb);
+
+	tt_assert(evbuffer_get_length(evb) == 7);
+	tt_assert(!memcmp((char*)EVBUFFER_DATA(evb), "hello/1", 1));
+
+	evbuffer_add_buffer(evb, evb_two);
+	evbuffer_validate(evb);
+
+	evbuffer_drain(evb, strlen("hello/"));
+	evbuffer_validate(evb);
+	tt_assert(evbuffer_get_length(evb) == 1);
+	tt_assert(!memcmp((char*)EVBUFFER_DATA(evb), "1", 1));
+
+	evbuffer_add_printf(evb_two, "%s", "/hello");
+	evbuffer_validate(evb);
+	evbuffer_add_buffer(evb, evb_two);
+	evbuffer_validate(evb);
+
+	tt_assert(evbuffer_get_length(evb_two) == 0);
+	tt_assert(evbuffer_get_length(evb) == 7);
+	tt_assert(!memcmp((char*)EVBUFFER_DATA(evb), "1/hello", 7));
+
+	memset(buffer, 0, sizeof(buffer));
+	evbuffer_add(evb, buffer, sizeof(buffer));
+	evbuffer_validate(evb);
+	tt_assert(evbuffer_get_length(evb) == 7 + 512);
+
+	tmp = (char *)evbuffer_pullup(evb, 7 + 512);
+	tt_assert(tmp);
+	tt_assert(!strncmp(tmp, "1/hello", 7));
+	tt_assert(!memcmp(tmp + 7, buffer, sizeof(buffer)));
+	evbuffer_validate(evb);
+
+	evbuffer_prepend(evb, "something", 9);
+	evbuffer_validate(evb);
+	evbuffer_prepend(evb, "else", 4);
+	evbuffer_validate(evb);
+
+	tmp = (char *)evbuffer_pullup(evb, 4 + 9 + 7);
+	tt_assert(!strncmp(tmp, "elsesomething1/hello", 4 + 9 + 7));
+	evbuffer_validate(evb);
+
+	evbuffer_drain(evb, -1);
+	evbuffer_validate(evb);
+	evbuffer_drain(evb_two, -1);
+	evbuffer_validate(evb);
+
+	for (i = 0; i < 3; ++i) {
+		evbuffer_add(evb_two, buffer, sizeof(buffer));
+		evbuffer_validate(evb_two);
+		evbuffer_add_buffer(evb, evb_two);
+		evbuffer_validate(evb);
+		evbuffer_validate(evb_two);
+	}
+
+	tt_assert(evbuffer_get_length(evb_two) == 0);
+	tt_assert(evbuffer_get_length(evb) == i * sizeof(buffer));
+
+	/* test remove buffer */
+	sz_tmp = (size_t)(sizeof(buffer)*2.5);
+	evbuffer_remove_buffer(evb, evb_two, sz_tmp);
+	tt_assert(evbuffer_get_length(evb_two) == sz_tmp);
+	tt_assert(evbuffer_get_length(evb) == sizeof(buffer) / 2);
+	evbuffer_validate(evb);
+
+	if (memcmp(evbuffer_pullup(
+			   evb, -1), buffer, sizeof(buffer) / 2) != 0 ||
+	    memcmp(evbuffer_pullup(
+			   evb_two, -1), buffer, sizeof(buffer)) != 0)
+		tt_abort_msg("Pullup did not preserve content");
+
+	evbuffer_validate(evb);
+
+
+	/* testing one-vector reserve and commit */
+	{
+		struct evbuffer_iovec v[1];
+		char *buf;
+		int i, j, r;
+
+		for (i = 0; i < 3; ++i) {
+			r = evbuffer_reserve_space(evb, 10000, v, 1);
+			tt_int_op(r, ==, 1);
+			tt_assert(v[0].iov_len >= 10000);
+			tt_assert(v[0].iov_base != NULL);
+
+			evbuffer_validate(evb);
+			buf = v[0].iov_base;
+			for (j = 0; j < 10000; ++j) {
+				buf[j] = j;
+			}
+			evbuffer_validate(evb);
+
+			tt_int_op(evbuffer_commit_space(evb, v, 1), ==, 0);
+			evbuffer_validate(evb);
+
+			tt_assert(evbuffer_get_length(evb) >= 10000);
+
+			evbuffer_drain(evb, j * 5000);
+			evbuffer_validate(evb);
+		}
+	}
+
+ end:
+	evbuffer_free(evb);
+	evbuffer_free(evb_two);
+}
+
+static void
+no_cleanup(const void *data, size_t datalen, void *extra)
+{
+}
+
+static void
+test_evbuffer_remove_buffer_with_empty(void *ptr)
+{
+    struct evbuffer *src = evbuffer_new();
+    struct evbuffer *dst = evbuffer_new();
+    char buf[2];
+
+    evbuffer_validate(src);
+    evbuffer_validate(dst);
+
+    /* setup the buffers */
+    /* we need more data in src than we will move later */
+    evbuffer_add_reference(src, buf, sizeof(buf), no_cleanup, NULL);
+    evbuffer_add_reference(src, buf, sizeof(buf), no_cleanup, NULL);
+    /* we need one buffer in dst and one empty buffer at the end */
+    evbuffer_add(dst, buf, sizeof(buf));
+    evbuffer_add_reference(dst, buf, 0, no_cleanup, NULL);
+
+    evbuffer_validate(src);
+    evbuffer_validate(dst);
+
+    /* move three bytes over */
+    evbuffer_remove_buffer(src, dst, 3);
+
+    evbuffer_validate(src);
+    evbuffer_validate(dst);
+
+end:
+    evbuffer_free(src);
+    evbuffer_free(dst);
+}
+
+static void
+test_evbuffer_remove_buffer_with_empty2(void *ptr)
+{
+	struct evbuffer *src = evbuffer_new();
+	struct evbuffer *dst = evbuffer_new();
+	struct evbuffer *buf = evbuffer_new();
+
+	evbuffer_add(buf, "foo", 3);
+	evbuffer_add_reference(buf, "foo", 3, NULL, NULL);
+
+	evbuffer_add_reference(src, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(src, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(src, buf);
+
+	evbuffer_add(buf, "foo", 3);
+	evbuffer_add_reference(buf, "foo", 3, NULL, NULL);
+
+	evbuffer_add_reference(dst, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(dst, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(dst, buf);
+
+	tt_int_op(evbuffer_get_length(src), ==, 9);
+	tt_int_op(evbuffer_get_length(dst), ==, 9);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	evbuffer_remove_buffer(src, dst, 8);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	tt_int_op(evbuffer_get_length(src), ==, 1);
+	tt_int_op(evbuffer_get_length(dst), ==, 17);
+
+ end:
+	evbuffer_free(src);
+	evbuffer_free(dst);
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_remove_buffer_with_empty3(void *ptr)
+{
+	struct evbuffer *src = evbuffer_new();
+	struct evbuffer *dst = evbuffer_new();
+	struct evbuffer *buf = evbuffer_new();
+
+	evbuffer_add(buf, "foo", 3);
+	evbuffer_add_reference(buf, NULL, 0, NULL, NULL);
+
+	evbuffer_add_reference(src, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(src, NULL, 0, NULL, NULL);
+	evbuffer_prepend_buffer(src, buf);
+
+	evbuffer_add(buf, "foo", 3);
+	evbuffer_add_reference(buf, NULL, 0, NULL, NULL);
+
+	evbuffer_add_reference(dst, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(dst, NULL, 0, NULL, NULL);
+	evbuffer_prepend_buffer(dst, buf);
+
+	tt_int_op(evbuffer_get_length(src), ==, 6);
+	tt_int_op(evbuffer_get_length(dst), ==, 6);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	evbuffer_remove_buffer(src, dst, 5);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	tt_int_op(evbuffer_get_length(src), ==, 1);
+	tt_int_op(evbuffer_get_length(dst), ==, 11);
+
+ end:
+	evbuffer_free(src);
+	evbuffer_free(dst);
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_add_buffer_with_empty(void *ptr)
+{
+	struct evbuffer *src = evbuffer_new();
+	struct evbuffer *dst = evbuffer_new();
+	struct evbuffer *buf = evbuffer_new();
+
+	evbuffer_add(buf, "foo", 3);
+
+	evbuffer_add_reference(src, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(src, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(src, buf);
+
+	evbuffer_add(buf, "foo", 3);
+
+	evbuffer_add_reference(dst, "foo", 3, NULL, NULL);
+	evbuffer_add_reference(dst, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(dst, buf);
+
+	tt_int_op(evbuffer_get_length(src), ==, 6);
+	tt_int_op(evbuffer_get_length(dst), ==, 6);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+ end:
+	evbuffer_free(src);
+	evbuffer_free(dst);
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_add_buffer_with_empty2(void *ptr)
+{
+	struct evbuffer *src = evbuffer_new();
+	struct evbuffer *dst = evbuffer_new();
+	struct evbuffer *buf = evbuffer_new();
+
+	evbuffer_add(buf, "foo", 3);
+
+	evbuffer_add_reference(src, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(src, buf);
+
+	evbuffer_add(buf, "foo", 3);
+
+	evbuffer_add_reference(dst, NULL, 0, NULL, NULL);
+	evbuffer_add_buffer(dst, buf);
+
+	tt_int_op(evbuffer_get_length(src), ==, 3);
+	tt_int_op(evbuffer_get_length(dst), ==, 3);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+ end:
+	evbuffer_free(src);
+	evbuffer_free(dst);
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_reserve2(void *ptr)
+{
+	/* Test the two-vector cases of reserve/commit. */
+	struct evbuffer *buf = evbuffer_new();
+	int n, i;
+	struct evbuffer_iovec v[2];
+	size_t remaining;
+	char *cp, *cp2;
+
+	/* First chunk will necessarily be one chunk. Use 512 bytes of it.*/
+	n = evbuffer_reserve_space(buf, 1024, v, 2);
+	tt_int_op(n, ==, 1);
+	tt_int_op(evbuffer_get_length(buf), ==, 0);
+	tt_assert(v[0].iov_base != NULL);
+	tt_int_op(v[0].iov_len, >=, 1024);
+	memset(v[0].iov_base, 'X', 512);
+	cp = v[0].iov_base;
+	remaining = v[0].iov_len - 512;
+	v[0].iov_len = 512;
+	evbuffer_validate(buf);
+	tt_int_op(0, ==, evbuffer_commit_space(buf, v, 1));
+	tt_int_op(evbuffer_get_length(buf), ==, 512);
+	evbuffer_validate(buf);
+
+	/* Ask for another same-chunk request, in an existing chunk. Use 8
+	 * bytes of it. */
+	n = evbuffer_reserve_space(buf, 32, v, 2);
+	tt_int_op(n, ==, 1);
+	tt_assert(cp + 512 == v[0].iov_base);
+	tt_int_op(remaining, ==, v[0].iov_len);
+	memset(v[0].iov_base, 'Y', 8);
+	v[0].iov_len = 8;
+	tt_int_op(0, ==, evbuffer_commit_space(buf, v, 1));
+	tt_int_op(evbuffer_get_length(buf), ==, 520);
+	remaining -= 8;
+	evbuffer_validate(buf);
+
+	/* Now ask for a request that will be split. Use only one byte of it,
+	   though. */
+	n = evbuffer_reserve_space(buf, remaining+64, v, 2);
+	tt_int_op(n, ==, 2);
+	tt_assert(cp + 520 == v[0].iov_base);
+	tt_int_op(remaining, ==, v[0].iov_len);
+	tt_assert(v[1].iov_base);
+	tt_assert(v[1].iov_len >= 64);
+	cp2 = v[1].iov_base;
+	memset(v[0].iov_base, 'Z', 1);
+	v[0].iov_len = 1;
+	tt_int_op(0, ==, evbuffer_commit_space(buf, v, 1));
+	tt_int_op(evbuffer_get_length(buf), ==, 521);
+	remaining -= 1;
+	evbuffer_validate(buf);
+
+	/* Now ask for a request that will be split. Use some of the first
+	 * part and some of the second. */
+	n = evbuffer_reserve_space(buf, remaining+64, v, 2);
+	evbuffer_validate(buf);
+	tt_int_op(n, ==, 2);
+	tt_assert(cp + 521 == v[0].iov_base);
+	tt_int_op(remaining, ==, v[0].iov_len);
+	tt_assert(v[1].iov_base == cp2);
+	tt_assert(v[1].iov_len >= 64);
+	memset(v[0].iov_base, 'W', 400);
+	v[0].iov_len = 400;
+	memset(v[1].iov_base, 'x', 60);
+	v[1].iov_len = 60;
+	tt_int_op(0, ==, evbuffer_commit_space(buf, v, 2));
+	tt_int_op(evbuffer_get_length(buf), ==, 981);
+	evbuffer_validate(buf);
+
+	/* Now peek to make sure stuff got made how we like. */
+	memset(v,0,sizeof(v));
+	n = evbuffer_peek(buf, -1, NULL, v, 2);
+	tt_int_op(n, ==, 2);
+	tt_int_op(v[0].iov_len, ==, 921);
+	tt_int_op(v[1].iov_len, ==, 60);
+
+	cp = v[0].iov_base;
+	for (i=0; i<512; ++i)
+		tt_int_op(cp[i], ==, 'X');
+	for (i=512; i<520; ++i)
+		tt_int_op(cp[i], ==, 'Y');
+	for (i=520; i<521; ++i)
+		tt_int_op(cp[i], ==, 'Z');
+	for (i=521; i<921; ++i)
+		tt_int_op(cp[i], ==, 'W');
+
+	cp = v[1].iov_base;
+	for (i=0; i<60; ++i)
+		tt_int_op(cp[i], ==, 'x');
+
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_reserve_many(void *ptr)
+{
+	/* This is a glass-box test to handle expanding a buffer with more
+	 * chunks and reallocating chunks as needed */
+	struct evbuffer *buf = evbuffer_new();
+	struct evbuffer_iovec v[8];
+	int n;
+	size_t sz;
+	int add_data = ptr && !strcmp(ptr, "add");
+	int fill_first = ptr && !strcmp(ptr, "fill");
+	char *cp1, *cp2;
+
+	/* When reserving the the first chunk, we just allocate it */
+	n = evbuffer_reserve_space(buf, 128, v, 2);
+	evbuffer_validate(buf);
+	tt_int_op(n, ==, 1);
+	tt_assert(v[0].iov_len >= 128);
+	sz = v[0].iov_len;
+	cp1 = v[0].iov_base;
+	if (add_data) {
+		*(char*)v[0].iov_base = 'X';
+		v[0].iov_len = 1;
+		n = evbuffer_commit_space(buf, v, 1);
+		tt_int_op(n, ==, 0);
+	} else if (fill_first) {
+		memset(v[0].iov_base, 'X', v[0].iov_len);
+		n = evbuffer_commit_space(buf, v, 1);
+		tt_int_op(n, ==, 0);
+		n = evbuffer_reserve_space(buf, 128, v, 2);
+		tt_int_op(n, ==, 1);
+		sz = v[0].iov_len;
+		tt_assert(v[0].iov_base != cp1);
+		cp1 = v[0].iov_base;
+	}
+
+	/* Make another chunk get added. */
+	n = evbuffer_reserve_space(buf, sz+128, v, 2);
+	evbuffer_validate(buf);
+	tt_int_op(n, ==, 2);
+	sz = v[0].iov_len + v[1].iov_len;
+	tt_int_op(sz, >=, v[0].iov_len+128);
+	if (add_data) {
+		tt_assert(v[0].iov_base == cp1 + 1);
+	} else {
+		tt_assert(v[0].iov_base == cp1);
+	}
+	cp1 = v[0].iov_base;
+	cp2 = v[1].iov_base;
+
+	/* And a third chunk. */
+	n = evbuffer_reserve_space(buf, sz+128, v, 3);
+	evbuffer_validate(buf);
+	tt_int_op(n, ==, 3);
+	tt_assert(cp1 == v[0].iov_base);
+	tt_assert(cp2 == v[1].iov_base);
+	sz = v[0].iov_len + v[1].iov_len + v[2].iov_len;
+
+	/* Now force a reallocation by asking for more space in only 2
+	 * buffers. */
+	n = evbuffer_reserve_space(buf, sz+128, v, 2);
+	evbuffer_validate(buf);
+	if (add_data) {
+		tt_int_op(n, ==, 2);
+		tt_assert(cp1 == v[0].iov_base);
+	} else {
+		tt_int_op(n, ==, 1);
+	}
+
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_expand(void *ptr)
+{
+	char data[4096];
+	struct evbuffer *buf;
+	size_t a,w,u;
+	void *buffer;
+
+	memset(data, 'X', sizeof(data));
+
+	/* Make sure that expand() works on an empty buffer */
+	buf = evbuffer_new();
+	tt_int_op(evbuffer_expand(buf, 20000), ==, 0);
+	evbuffer_validate(buf);
+	a=w=u=0;
+	evbuffer_get_waste(buf, &a,&w,&u);
+	tt_assert(w == 0);
+	tt_assert(u == 0);
+	tt_assert(a >= 20000);
+	tt_assert(buf->first);
+	tt_assert(buf->first == buf->last);
+	tt_assert(buf->first->off == 0);
+	tt_assert(buf->first->buffer_len >= 20000);
+
+	/* Make sure that expand() works as a no-op when there's enough
+	 * contiguous space already. */
+	buffer = buf->first->buffer;
+	evbuffer_add(buf, data, 1024);
+	tt_int_op(evbuffer_expand(buf, 1024), ==, 0);
+	tt_assert(buf->first->buffer == buffer);
+	evbuffer_validate(buf);
+	evbuffer_free(buf);
+
+	/* Make sure that expand() can work by moving misaligned data
+	 * when it makes sense to do so. */
+	buf = evbuffer_new();
+	evbuffer_add(buf, data, 400);
+	{
+		int n = (int)(buf->first->buffer_len - buf->first->off - 1);
+		tt_assert(n < (int)sizeof(data));
+		evbuffer_add(buf, data, n);
+	}
+	tt_assert(buf->first == buf->last);
+	tt_assert(buf->first->off == buf->first->buffer_len - 1);
+	evbuffer_drain(buf, buf->first->off - 1);
+	tt_assert(1 == evbuffer_get_length(buf));
+	tt_assert(buf->first->misalign > 0);
+	tt_assert(buf->first->off == 1);
+	buffer = buf->first->buffer;
+	tt_assert(evbuffer_expand(buf, 40) == 0);
+	tt_assert(buf->first == buf->last);
+	tt_assert(buf->first->off == 1);
+	tt_assert(buf->first->buffer == buffer);
+	tt_assert(buf->first->misalign == 0);
+	evbuffer_validate(buf);
+	evbuffer_free(buf);
+
+	/* add, expand, pull-up: This used to crash libevent. */
+	buf = evbuffer_new();
+
+	evbuffer_add(buf, data, sizeof(data));
+	evbuffer_add(buf, data, sizeof(data));
+	evbuffer_add(buf, data, sizeof(data));
+
+	evbuffer_validate(buf);
+	evbuffer_expand(buf, 1024);
+	evbuffer_validate(buf);
+	evbuffer_pullup(buf, -1);
+	evbuffer_validate(buf);
+
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_expand_overflow(void *ptr)
+{
+	struct evbuffer *buf;
+
+	buf = evbuffer_new();
+	evbuffer_add(buf, "1", 1);
+	evbuffer_expand(buf, EVBUFFER_CHAIN_MAX);
+	evbuffer_validate(buf);
+
+	evbuffer_expand(buf, EV_SIZE_MAX);
+	evbuffer_validate(buf);
+
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_add1(void *ptr)
+{
+	struct evbuffer *buf;
+	char *str;
+
+	buf = evbuffer_new();
+	evbuffer_add(buf, "1", 1);
+	evbuffer_validate(buf);
+	evbuffer_expand(buf, 2048);
+	evbuffer_validate(buf);
+	evbuffer_add(buf, "2", 1);
+	evbuffer_validate(buf);
+	evbuffer_add_printf(buf, "3");
+	evbuffer_validate(buf);
+
+	tt_assert(evbuffer_get_length(buf) == 3);
+	str = (char *)evbuffer_pullup(buf, -1);
+	tt_assert(str[0] == '1');
+	tt_assert(str[1] == '2');
+	tt_assert(str[2] == '3');
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_add2(void *ptr)
+{
+	struct evbuffer *buf;
+	static char data[4096];
+	int data_len = MIN_BUFFER_SIZE-EVBUFFER_CHAIN_SIZE-10;
+	char *str;
+	int len;
+
+	memset(data, 'P', sizeof(data));
+	buf = evbuffer_new();
+	evbuffer_add(buf, data, data_len);
+	evbuffer_validate(buf);
+	evbuffer_expand(buf, 100);
+	evbuffer_validate(buf);
+	evbuffer_add(buf, "2", 1);
+	evbuffer_validate(buf);
+	evbuffer_add_printf(buf, "3");
+	evbuffer_validate(buf);
+
+	len = evbuffer_get_length(buf);
+	tt_assert(len == data_len+2);
+	str = (char *)evbuffer_pullup(buf, -1);
+	tt_assert(str[len-3] == 'P');
+	tt_assert(str[len-2] == '2');
+	tt_assert(str[len-1] == '3');
+end:
+	evbuffer_free(buf);
+}
+
+static int reference_cb_called;
+static void
+reference_cb(const void *data, size_t len, void *extra)
+{
+	tt_str_op(data, ==, "this is what we add as read-only memory.");
+	tt_int_op(len, ==, strlen(data));
+	tt_want(extra == (void *)0xdeadaffe);
+	++reference_cb_called;
+end:
+	;
+}
+
+static void
+test_evbuffer_reference(void *ptr)
+{
+	struct evbuffer *src = evbuffer_new();
+	struct evbuffer *dst = evbuffer_new();
+	struct evbuffer_iovec v[1];
+	const char *data = "this is what we add as read-only memory.";
+	reference_cb_called = 0;
+
+	tt_assert(evbuffer_add_reference(src, data, strlen(data),
+		 reference_cb, (void *)0xdeadaffe) != -1);
+
+	evbuffer_reserve_space(dst, strlen(data), v, 1);
+	tt_assert(evbuffer_remove(src, v[0].iov_base, 10) != -1);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	/* make sure that we don't write data at the beginning */
+	evbuffer_prepend(src, "aaaaa", 5);
+	evbuffer_validate(src);
+	evbuffer_drain(src, 5);
+
+	tt_assert(evbuffer_remove(src, ((char*)(v[0].iov_base)) + 10,
+		strlen(data) - 10) != -1);
+
+	v[0].iov_len = strlen(data);
+
+	evbuffer_commit_space(dst, v, 1);
+	evbuffer_validate(src);
+	evbuffer_validate(dst);
+
+	tt_int_op(reference_cb_called, ==, 1);
+
+	tt_assert(!memcmp(evbuffer_pullup(dst, strlen(data)),
+			  data, strlen(data)));
+	evbuffer_validate(dst);
+
+ end:
+	evbuffer_free(dst);
+	evbuffer_free(src);
+}
+
+static void
+test_evbuffer_reference2(void *ptr)
+{
+	struct evbuffer *buf;
+	static char data[4096];
+	int data_len = MIN_BUFFER_SIZE-EVBUFFER_CHAIN_SIZE-10;
+	char *str;
+	int len;
+
+	memset(data, 'P', sizeof(data));
+	buf = evbuffer_new();
+	evbuffer_add(buf, data, data_len);
+	evbuffer_validate(buf);
+	evbuffer_expand(buf, 100);
+	evbuffer_validate(buf);
+	evbuffer_add_reference(buf, "2", 1, no_cleanup, NULL);
+	evbuffer_validate(buf);
+	evbuffer_add_printf(buf, "3");
+	evbuffer_validate(buf);
+
+	len = evbuffer_get_length(buf);
+	tt_assert(len == data_len+2);
+	str = (char *)evbuffer_pullup(buf, -1);
+	tt_assert(str[len-3] == 'P');
+	tt_assert(str[len-2] == '2');
+	tt_assert(str[len-1] == '3');
+end:
+	evbuffer_free(buf);
+}
+
+static struct event_base *addfile_test_event_base;
+static int addfile_test_done_writing;
+static int addfile_test_total_written;
+static int addfile_test_total_read;
+
+static void
+addfile_test_writecb(evutil_socket_t fd, short what, void *arg)
+{
+	struct evbuffer *b = arg;
+	int r;
+	evbuffer_validate(b);
+	while (evbuffer_get_length(b)) {
+		r = evbuffer_write(b, fd);
+		if (r > 0) {
+			addfile_test_total_written += r;
+			TT_BLATHER(("Wrote %d/%d bytes", r, addfile_test_total_written));
+		} else {
+			int e = evutil_socket_geterror(fd);
+			if (EVUTIL_ERR_RW_RETRIABLE(e))
+				return;
+			tt_fail_perror("write");
+			event_base_loopexit(addfile_test_event_base,NULL);
+		}
+		evbuffer_validate(b);
+	}
+	addfile_test_done_writing = 1;
+	return;
+end:
+	event_base_loopexit(addfile_test_event_base,NULL);
+}
+
+static void
+addfile_test_readcb(evutil_socket_t fd, short what, void *arg)
+{
+	struct evbuffer *b = arg;
+	int e, r = 0;
+	do {
+		r = evbuffer_read(b, fd, 1024);
+		if (r > 0) {
+			addfile_test_total_read += r;
+			TT_BLATHER(("Read %d/%d bytes", r, addfile_test_total_read));
+		}
+	} while (r > 0);
+	if (r < 0) {
+		e = evutil_socket_geterror(fd);
+		if (! EVUTIL_ERR_RW_RETRIABLE(e)) {
+			tt_fail_perror("read");
+			event_base_loopexit(addfile_test_event_base,NULL);
+		}
+	}
+	if (addfile_test_done_writing &&
+	    addfile_test_total_read >= addfile_test_total_written) {
+		event_base_loopexit(addfile_test_event_base,NULL);
+	}
+}
+
+static void
+test_evbuffer_add_file(void *ptr)
+{
+	struct basic_test_data *testdata = ptr;
+	const char *impl = testdata->setup_data;
+	struct evbuffer *src = evbuffer_new(), *dest = evbuffer_new();
+	char *tmpfilename = NULL;
+	char *data = NULL;
+	const char *expect_data;
+	size_t datalen, expect_len;
+	const char *compare;
+	int fd = -1;
+	int want_ismapping = -1, want_cansendfile = -1;
+	unsigned flags = 0;
+	int use_segment = 1, use_bigfile = 0, map_from_offset = 0,
+	    view_from_offset = 0;
+	struct evbuffer_file_segment *seg = NULL;
+	ev_off_t starting_offset = 0, mapping_len = -1;
+	ev_off_t segment_offset = 0, segment_len = -1;
+	struct event *rev=NULL, *wev=NULL;
+	struct event_base *base = testdata->base;
+	evutil_socket_t pair[2] = {-1, -1};
+	struct evutil_weakrand_state seed = { 123456789U };
+
+	/* This test is highly parameterized based on substrings of its
+	 * argument.  The strings are: */
+	tt_assert(impl);
+	if (strstr(impl, "nosegment")) {
+		/* If nosegment is set, use the older evbuffer_add_file
+		 * interface */
+		use_segment = 0;
+	}
+	if (strstr(impl, "bigfile")) {
+		/* If bigfile is set, use a 512K file.  Else use a smaller
+		 * one. */
+		use_bigfile = 1;
+	}
+	if (strstr(impl, "map_offset")) {
+		/* If map_offset is set, we build the file segment starting
+		 * from a point other than byte 0 and ending somewhere other
+		 * than the last byte.  Otherwise we map the whole thing */
+		map_from_offset = 1;
+	}
+	if (strstr(impl, "offset_in_segment")) {
+		/* If offset_in_segment is set, we add a subsection of the
+		 * file semgment starting from a point other than byte 0 of
+		 * the segment. */
+		view_from_offset = 1;
+	}
+	if (strstr(impl, "sendfile")) {
+		/* If sendfile is set, we try to use a sendfile/splice style
+		 * backend. */
+		flags = EVBUF_FS_DISABLE_MMAP;
+		want_cansendfile = 1;
+		want_ismapping = 0;
+	} else if (strstr(impl, "mmap")) {
+		/* If sendfile is set, we try to use a mmap/CreateFileMapping
+		 * style backend. */
+		flags = EVBUF_FS_DISABLE_SENDFILE;
+		want_ismapping = 1;
+		want_cansendfile = 0;
+	} else if (strstr(impl, "linear")) {
+		/* If linear is set, we try to use a read-the-whole-thing
+		 * backend. */
+		flags = EVBUF_FS_DISABLE_SENDFILE|EVBUF_FS_DISABLE_MMAP;
+		want_ismapping = 0;
+		want_cansendfile = 0;
+	} else if (strstr(impl, "default")) {
+		/* The caller doesn't care which backend we use. */
+		;
+	} else {
+		/* The caller must choose a backend. */
+		TT_DIE(("Didn't recognize the implementation"));
+	}
+
+	if (use_bigfile) {
+		unsigned int i;
+		datalen = 1024*512;
+		data = malloc(1024*512);
+		tt_assert(data);
+		for (i = 0; i < datalen; ++i)
+			data[i] = (char)evutil_weakrand_(&seed);
+	} else {
+		data = strdup("here is a relatively small string.");
+		tt_assert(data);
+		datalen = strlen(data);
+	}
+
+	fd = regress_make_tmpfile(data, datalen, &tmpfilename);
+
+	if (map_from_offset) {
+		starting_offset = datalen/4 + 1;
+		mapping_len = datalen / 2 - 1;
+		expect_data = data + starting_offset;
+		expect_len = mapping_len;
+	} else {
+		expect_data = data;
+		expect_len = datalen;
+	}
+	if (view_from_offset) {
+		tt_assert(use_segment); /* Can't do this with add_file*/
+		segment_offset = expect_len / 3;
+		segment_len = expect_len / 2;
+		expect_data = expect_data + segment_offset;
+		expect_len = segment_len;
+	}
+
+	if (use_segment) {
+		seg = evbuffer_file_segment_new(fd, starting_offset,
+		    mapping_len, flags);
+		tt_assert(seg);
+		if (want_ismapping >= 0) {
+			if (seg->is_mapping != (unsigned)want_ismapping)
+				tt_skip();
+		}
+		if (want_cansendfile >= 0) {
+			if (seg->can_sendfile != (unsigned)want_cansendfile)
+				tt_skip();
+		}
+	}
+
+	/* Say that it drains to a fd so that we can use sendfile. */
+	evbuffer_set_flags(src, EVBUFFER_FLAG_DRAINS_TO_FD);
+
+#if defined(EVENT__HAVE_SENDFILE) && defined(__sun__) && defined(__svr4__)
+	/* We need to use a pair of AF_INET sockets, since Solaris
+	   doesn't support sendfile() over AF_UNIX. */
+	if (evutil_ersatz_socketpair_(AF_INET, SOCK_STREAM, 0, pair) == -1)
+		tt_abort_msg("ersatz_socketpair failed");
+#else
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+		tt_abort_msg("socketpair failed");
+#endif
+	evutil_make_socket_nonblocking(pair[0]);
+	evutil_make_socket_nonblocking(pair[1]);
+
+	tt_assert(fd != -1);
+
+	if (use_segment) {
+		tt_assert(evbuffer_add_file_segment(src, seg,
+			segment_offset, segment_len)!=-1);
+	} else {
+		tt_assert(evbuffer_add_file(src, fd, starting_offset,
+			mapping_len) != -1);
+	}
+
+	evbuffer_validate(src);
+
+	addfile_test_event_base = base;
+	addfile_test_done_writing = 0;
+	addfile_test_total_written = 0;
+	addfile_test_total_read = 0;
+
+	wev = event_new(base, pair[0], EV_WRITE|EV_PERSIST,
+	    addfile_test_writecb, src);
+	rev = event_new(base, pair[1], EV_READ|EV_PERSIST,
+	    addfile_test_readcb, dest);
+
+	event_add(wev, NULL);
+	event_add(rev, NULL);
+	event_base_dispatch(base);
+
+	evbuffer_validate(src);
+	evbuffer_validate(dest);
+
+	tt_assert(addfile_test_done_writing);
+	tt_int_op(addfile_test_total_written, ==, expect_len);
+	tt_int_op(addfile_test_total_read, ==, expect_len);
+
+	compare = (char *)evbuffer_pullup(dest, expect_len);
+	tt_assert(compare != NULL);
+	if (memcmp(compare, expect_data, expect_len)) {
+		tt_abort_msg("Data from add_file differs.");
+	}
+
+	evbuffer_validate(dest);
+ end:
+	if (data)
+		free(data);
+	if (seg)
+		evbuffer_file_segment_free(seg);
+	if (src)
+		evbuffer_free(src);
+	if (dest)
+		evbuffer_free(dest);
+	if (pair[0] >= 0)
+		evutil_closesocket(pair[0]);
+	if (pair[1] >= 0)
+		evutil_closesocket(pair[1]);
+	if (wev)
+		event_free(wev);
+	if (rev)
+		event_free(rev);
+	if (tmpfilename) {
+		unlink(tmpfilename);
+		free(tmpfilename);
+	}
+}
+
+static int file_segment_cleanup_cb_called_count = 0;
+static struct evbuffer_file_segment const* file_segment_cleanup_cb_called_with = NULL;
+static int file_segment_cleanup_cb_called_with_flags = 0;
+static void* file_segment_cleanup_cb_called_with_arg = NULL;
+static void
+file_segment_cleanup_cp(struct evbuffer_file_segment const* seg, int flags, void* arg)
+{
+	++file_segment_cleanup_cb_called_count;
+	file_segment_cleanup_cb_called_with = seg;
+	file_segment_cleanup_cb_called_with_flags = flags;
+	file_segment_cleanup_cb_called_with_arg = arg;
+}
+
+static void
+test_evbuffer_file_segment_add_cleanup_cb(void* ptr)
+{
+	char *tmpfilename = NULL;
+	int fd = -1;
+	struct evbuffer *evb = NULL;
+	struct evbuffer_file_segment *seg = NULL, *segptr;
+	char const* arg = "token";
+
+	fd = regress_make_tmpfile("file_segment_test_file", 22, &tmpfilename);
+	tt_int_op(fd, >=, 0);
+
+	evb = evbuffer_new();
+	tt_assert(evb);
+
+	segptr = seg = evbuffer_file_segment_new(fd, 0, -1, 0);
+	tt_assert(seg);
+
+	evbuffer_file_segment_add_cleanup_cb(
+	  seg, &file_segment_cleanup_cp, (void*)arg);
+
+	tt_assert(fd != -1);
+
+	tt_assert(evbuffer_add_file_segment(evb, seg, 0, -1)!=-1);
+
+	evbuffer_validate(evb);
+
+	tt_int_op(file_segment_cleanup_cb_called_count, ==, 0);
+	evbuffer_file_segment_free(seg);
+	seg = NULL; /* Prevent double-free. */
+
+	tt_int_op(file_segment_cleanup_cb_called_count, ==, 0);
+	evbuffer_free(evb);
+	evb = NULL; /* pevent double-free */
+
+	tt_int_op(file_segment_cleanup_cb_called_count, ==, 1);
+	tt_assert(file_segment_cleanup_cb_called_with == segptr);
+	tt_assert(file_segment_cleanup_cb_called_with_flags == 0);
+	tt_assert(file_segment_cleanup_cb_called_with_arg == (void*)arg);
+
+end:
+	if (evb)
+		evbuffer_free(evb);
+	if (seg)
+		evbuffer_file_segment_free(seg);
+	if (tmpfilename) {
+		unlink(tmpfilename);
+		free(tmpfilename);
+	}
+}
+
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+static void *
+failing_malloc(size_t how_much)
+{
+	errno = ENOMEM;
+	return NULL;
+}
+#endif
+
+static void
+test_evbuffer_readln(void *ptr)
+{
+	struct evbuffer *evb = evbuffer_new();
+	struct evbuffer *evb_tmp = evbuffer_new();
+	const char *s;
+	char *cp = NULL;
+	size_t sz;
+
+#define tt_line_eq(content)						\
+	TT_STMT_BEGIN							\
+	if (!cp || sz != strlen(content) || strcmp(cp, content)) {	\
+		TT_DIE(("Wanted %s; got %s [%d]", content, cp, (int)sz)); \
+	}								\
+	TT_STMT_END
+
+	/* Test EOL_ANY. */
+	s = "complex silly newline\r\n\n\r\n\n\rmore\0\n";
+	evbuffer_add(evb, s, strlen(s)+2);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_ANY);
+	tt_line_eq("complex silly newline");
+	free(cp);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_ANY);
+	if (!cp || sz != 5 || memcmp(cp, "more\0\0", 6))
+		tt_abort_msg("Not as expected");
+	tt_uint_op(evbuffer_get_length(evb), ==, 0);
+	evbuffer_validate(evb);
+	s = "\nno newline";
+	evbuffer_add(evb, s, strlen(s));
+	free(cp);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_ANY);
+	tt_line_eq("");
+	free(cp);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_ANY);
+	tt_assert(!cp);
+	evbuffer_validate(evb);
+	evbuffer_drain(evb, evbuffer_get_length(evb));
+	tt_assert(evbuffer_get_length(evb) == 0);
+	evbuffer_validate(evb);
+
+	/* Test EOL_CRLF */
+	s = "Line with\rin the middle\nLine with good crlf\r\n\nfinal\n";
+	evbuffer_add(evb, s, strlen(s));
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF);
+	tt_line_eq("Line with\rin the middle");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF);
+	tt_line_eq("Line with good crlf");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF);
+	tt_line_eq("");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF);
+	tt_line_eq("final");
+	s = "x";
+	evbuffer_validate(evb);
+	evbuffer_add(evb, s, 1);
+	evbuffer_validate(evb);
+	free(cp);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF);
+	tt_assert(!cp);
+	evbuffer_validate(evb);
+
+	/* Test CRLF_STRICT */
+	s = " and a bad crlf\nand a good one\r\n\r\nMore\r";
+	evbuffer_add(evb, s, strlen(s));
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("x and a bad crlf\nand a good one");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_assert(!cp);
+	evbuffer_validate(evb);
+	evbuffer_add(evb, "\n", 1);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("More");
+	free(cp);
+	tt_assert(evbuffer_get_length(evb) == 0);
+	evbuffer_validate(evb);
+
+	s = "An internal CR\r is not an eol\r\nNor is a lack of one";
+	evbuffer_add(evb, s, strlen(s));
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("An internal CR\r is not an eol");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_assert(!cp);
+	evbuffer_validate(evb);
+
+	evbuffer_add(evb, "\r\n", 2);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("Nor is a lack of one");
+	free(cp);
+	tt_assert(evbuffer_get_length(evb) == 0);
+	evbuffer_validate(evb);
+
+	/* Test LF */
+	s = "An\rand a nl\n\nText";
+	evbuffer_add(evb, s, strlen(s));
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_line_eq("An\rand a nl");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_line_eq("");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_assert(!cp);
+	free(cp);
+	evbuffer_add(evb, "\n", 1);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_line_eq("Text");
+	free(cp);
+	evbuffer_validate(evb);
+
+	/* Test NUL */
+	tt_int_op(evbuffer_get_length(evb), ==, 0);
+	{
+		char x[] =
+		    "NUL\n\0\0"
+		    "The all-zeros character which may serve\0"
+		    "to accomplish time fill\0and media fill";
+		/* Add all but the final NUL of x. */
+		evbuffer_add(evb, x, sizeof(x)-1);
+	}
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_NUL);
+	tt_line_eq("NUL\n");
+	free(cp);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_NUL);
+	tt_line_eq("");
+	free(cp);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_NUL);
+	tt_line_eq("The all-zeros character which may serve");
+	free(cp);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_NUL);
+	tt_line_eq("to accomplish time fill");
+	free(cp);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_NUL);
+	tt_ptr_op(cp, ==, NULL);
+	evbuffer_drain(evb, -1);
+
+	/* Test CRLF_STRICT - across boundaries*/
+	s = " and a bad crlf\nand a good one\r";
+	evbuffer_add(evb_tmp, s, strlen(s));
+	evbuffer_validate(evb);
+	evbuffer_add_buffer(evb, evb_tmp);
+	evbuffer_validate(evb);
+	s = "\n\r";
+	evbuffer_add(evb_tmp, s, strlen(s));
+	evbuffer_validate(evb);
+	evbuffer_add_buffer(evb, evb_tmp);
+	evbuffer_validate(evb);
+	s = "\nMore\r";
+	evbuffer_add(evb_tmp, s, strlen(s));
+	evbuffer_validate(evb);
+	evbuffer_add_buffer(evb, evb_tmp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq(" and a bad crlf\nand a good one");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("");
+	free(cp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_assert(!cp);
+	free(cp);
+	evbuffer_validate(evb);
+	evbuffer_add(evb, "\n", 1);
+	evbuffer_validate(evb);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_CRLF_STRICT);
+	tt_line_eq("More");
+	free(cp); cp = NULL;
+	evbuffer_validate(evb);
+	tt_assert(evbuffer_get_length(evb) == 0);
+
+	/* Test memory problem*/
+	s = "one line\ntwo line\nblue line";
+	evbuffer_add(evb_tmp, s, strlen(s));
+	evbuffer_validate(evb);
+	evbuffer_add_buffer(evb, evb_tmp);
+	evbuffer_validate(evb);
+
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_line_eq("one line");
+	free(cp); cp = NULL;
+	evbuffer_validate(evb);
+
+	/* the next call to readline should fail */
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+	event_set_mem_functions(failing_malloc, realloc, free);
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_assert(cp == NULL);
+	evbuffer_validate(evb);
+
+	/* now we should get the next line back */
+	event_set_mem_functions(malloc, realloc, free);
+#endif
+	cp = evbuffer_readln(evb, &sz, EVBUFFER_EOL_LF);
+	tt_line_eq("two line");
+	free(cp); cp = NULL;
+	evbuffer_validate(evb);
+
+ end:
+	evbuffer_free(evb);
+	evbuffer_free(evb_tmp);
+	if (cp) free(cp);
+}
+
+static void
+test_evbuffer_search_eol(void *ptr)
+{
+	struct evbuffer *buf = evbuffer_new();
+	struct evbuffer_ptr ptr1, ptr2;
+	const char *s;
+	size_t eol_len;
+
+	s = "string! \r\n\r\nx\n";
+	evbuffer_add(buf, s, strlen(s));
+	eol_len = -1;
+	ptr1 = evbuffer_search_eol(buf, NULL, &eol_len, EVBUFFER_EOL_CRLF);
+	tt_int_op(ptr1.pos, ==, 8);
+	tt_int_op(eol_len, ==, 2);
+
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_CRLF);
+	tt_int_op(ptr2.pos, ==, 8);
+	tt_int_op(eol_len, ==, 2);
+
+	evbuffer_ptr_set(buf, &ptr1, 1, EVBUFFER_PTR_ADD);
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_CRLF);
+	tt_int_op(ptr2.pos, ==, 9);
+	tt_int_op(eol_len, ==, 1);
+
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_CRLF_STRICT);
+	tt_int_op(ptr2.pos, ==, 10);
+	tt_int_op(eol_len, ==, 2);
+
+	eol_len = -1;
+	ptr1 = evbuffer_search_eol(buf, NULL, &eol_len, EVBUFFER_EOL_LF);
+	tt_int_op(ptr1.pos, ==, 9);
+	tt_int_op(eol_len, ==, 1);
+
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_LF);
+	tt_int_op(ptr2.pos, ==, 9);
+	tt_int_op(eol_len, ==, 1);
+
+	evbuffer_ptr_set(buf, &ptr1, 1, EVBUFFER_PTR_ADD);
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_LF);
+	tt_int_op(ptr2.pos, ==, 11);
+	tt_int_op(eol_len, ==, 1);
+
+	tt_assert(evbuffer_ptr_set(buf, &ptr1, evbuffer_get_length(buf), EVBUFFER_PTR_SET) == 0);
+	eol_len = -1;
+	ptr2 = evbuffer_search_eol(buf, &ptr1, &eol_len, EVBUFFER_EOL_LF);
+	tt_int_op(ptr2.pos, ==, -1);
+	tt_int_op(eol_len, ==, 0);
+
+end:
+	evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_iterative(void *ptr)
+{
+	struct evbuffer *buf = evbuffer_new();
+	const char *abc = "abcdefghijklmnopqrstvuwxyzabcdefghijklmnopqrstvuwxyzabcdefghijklmnopqrstvuwxyzabcdefghijklmnopqrstvuwxyz";
+	unsigned i, j, sum, n;
+
+	sum = 0;
+	n = 0;
+	for (i = 0; i < 1000; ++i) {
+		for (j = 1; j < strlen(abc); ++j) {
+			char format[32];
+			evutil_snprintf(format, sizeof(format), "%%%u.%us", j, j);
+			evbuffer_add_printf(buf, format, abc);
+
+			/* Only check for rep violations every so often.
+			   Walking over the whole list of chains can get
+			   pretty expensive as it gets long.
+			 */
+			if ((n % 337) == 0)
+				evbuffer_validate(buf);
+
+			sum += j;
+			n++;
+		}
+	}
+	evbuffer_validate(buf);
+
+	tt_uint_op(sum, ==, evbuffer_get_length(buf));
+
+	{
+		size_t a,w,u;
+		a=w=u=0;
+		evbuffer_get_waste(buf, &a, &w, &u);
+		if (0)
+			printf("Allocated: %u.\nWasted: %u.\nUsed: %u.",
+			    (unsigned)a, (unsigned)w, (unsigned)u);
+		tt_assert( ((double)w)/a < .125);
+	}
+ end:
+	evbuffer_free(buf);
+
+}
+
+static void
+test_evbuffer_find(void *ptr)
+{
+	unsigned char* p;
+	const char* test1 = "1234567890\r\n";
+	const char* test2 = "1234567890\r";
+#define EVBUFFER_INITIAL_LENGTH 256
+	char test3[EVBUFFER_INITIAL_LENGTH];
+	unsigned int i;
+	struct evbuffer * buf = evbuffer_new();
+
+	tt_assert(buf);
+
+	/* make sure evbuffer_find doesn't match past the end of the buffer */
+	evbuffer_add(buf, (unsigned char*)test1, strlen(test1));
+	evbuffer_validate(buf);
+	evbuffer_drain(buf, strlen(test1));
+	evbuffer_validate(buf);
+	evbuffer_add(buf, (unsigned char*)test2, strlen(test2));
+	evbuffer_validate(buf);
+	p = evbuffer_find(buf, (unsigned char*)"\r\n", 2);
+	tt_want(p == NULL);
+
+	/*
+	 * drain the buffer and do another find; in r309 this would
+	 * read past the allocated buffer causing a valgrind error.
+	 */
+	evbuffer_drain(buf, strlen(test2));
+	evbuffer_validate(buf);
+	for (i = 0; i < EVBUFFER_INITIAL_LENGTH; ++i)
+		test3[i] = 'a';
+	test3[EVBUFFER_INITIAL_LENGTH - 1] = 'x';
+	evbuffer_add(buf, (unsigned char *)test3, EVBUFFER_INITIAL_LENGTH);
+	evbuffer_validate(buf);
+	p = evbuffer_find(buf, (unsigned char *)"xy", 2);
+	tt_want(p == NULL);
+
+	/* simple test for match at end of allocated buffer */
+	p = evbuffer_find(buf, (unsigned char *)"ax", 2);
+	tt_assert(p != NULL);
+	tt_want(strncmp((char*)p, "ax", 2) == 0);
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_ptr_set(void *ptr)
+{
+	struct evbuffer *buf = evbuffer_new();
+	struct evbuffer_ptr pos;
+	struct evbuffer_iovec v[1];
+
+	tt_assert(buf);
+
+	tt_int_op(evbuffer_get_length(buf), ==, 0);
+
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	tt_assert(pos.pos == 0);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 1, EVBUFFER_PTR_ADD) == -1);
+	tt_assert(pos.pos == -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 1, EVBUFFER_PTR_SET) == -1);
+	tt_assert(pos.pos == -1);
+
+	/* create some chains */
+	evbuffer_reserve_space(buf, 5000, v, 1);
+	v[0].iov_len = 5000;
+	memset(v[0].iov_base, 1, v[0].iov_len);
+	evbuffer_commit_space(buf, v, 1);
+	evbuffer_validate(buf);
+
+	evbuffer_reserve_space(buf, 4000, v, 1);
+	v[0].iov_len = 4000;
+	memset(v[0].iov_base, 2, v[0].iov_len);
+	evbuffer_commit_space(buf, v, 1);
+
+	evbuffer_reserve_space(buf, 3000, v, 1);
+	v[0].iov_len = 3000;
+	memset(v[0].iov_base, 3, v[0].iov_len);
+	evbuffer_commit_space(buf, v, 1);
+	evbuffer_validate(buf);
+
+	tt_int_op(evbuffer_get_length(buf), ==, 12000);
+
+	tt_assert(evbuffer_ptr_set(buf, &pos, 13000, EVBUFFER_PTR_SET) == -1);
+	tt_assert(pos.pos == -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	tt_assert(pos.pos == 0);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 13000, EVBUFFER_PTR_ADD) == -1);
+
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	tt_assert(pos.pos == 0);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 10000, EVBUFFER_PTR_ADD) == 0);
+	tt_assert(pos.pos == 10000);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 1000, EVBUFFER_PTR_ADD) == 0);
+	tt_assert(pos.pos == 11000);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 1000, EVBUFFER_PTR_ADD) == 0);
+	tt_assert(pos.pos == 12000);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 1000, EVBUFFER_PTR_ADD) == -1);
+	tt_assert(pos.pos == -1);
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+}
+
+static void
+test_evbuffer_search(void *ptr)
+{
+	struct evbuffer *buf = evbuffer_new();
+	struct evbuffer *tmp = evbuffer_new();
+	struct evbuffer_ptr pos, end;
+
+	tt_assert(buf);
+	tt_assert(tmp);
+
+	pos = evbuffer_search(buf, "x", 1, NULL);
+	tt_int_op(pos.pos, ==, -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search(buf, "x", 1, &pos);
+	tt_int_op(pos.pos, ==, -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search_range(buf, "x", 1, &pos, &pos);
+	tt_int_op(pos.pos, ==, -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search_range(buf, "x", 1, &pos, NULL);
+	tt_int_op(pos.pos, ==, -1);
+
+	/* set up our chains */
+	evbuffer_add_printf(tmp, "hello");  /* 5 chars */
+	evbuffer_add_buffer(buf, tmp);
+	evbuffer_add_printf(tmp, "foo");    /* 3 chars */
+	evbuffer_add_buffer(buf, tmp);
+	evbuffer_add_printf(tmp, "cat");    /* 3 chars */
+	evbuffer_add_buffer(buf, tmp);
+	evbuffer_add_printf(tmp, "attack");
+	evbuffer_add_buffer(buf, tmp);
+
+	pos = evbuffer_search(buf, "attack", 6, NULL);
+	tt_int_op(pos.pos, ==, 11);
+	pos = evbuffer_search(buf, "attacker", 8, NULL);
+	tt_int_op(pos.pos, ==, -1);
+
+	/* test continuing search */
+	pos = evbuffer_search(buf, "oc", 2, NULL);
+	tt_int_op(pos.pos, ==, 7);
+	pos = evbuffer_search(buf, "cat", 3, &pos);
+	tt_int_op(pos.pos, ==, 8);
+	pos = evbuffer_search(buf, "tacking", 7, &pos);
+	tt_int_op(pos.pos, ==, -1);
+
+	evbuffer_ptr_set(buf, &pos, 5, EVBUFFER_PTR_SET);
+	pos = evbuffer_search(buf, "foo", 3, &pos);
+	tt_int_op(pos.pos, ==, 5);
+
+	evbuffer_ptr_set(buf, &pos, 2, EVBUFFER_PTR_ADD);
+	pos = evbuffer_search(buf, "tat", 3, &pos);
+	tt_int_op(pos.pos, ==, 10);
+
+	/* test bounded search. */
+	/* Set "end" to the first t in "attack". */
+	evbuffer_ptr_set(buf, &end, 12, EVBUFFER_PTR_SET);
+	pos = evbuffer_search_range(buf, "foo", 3, NULL, &end);
+	tt_int_op(pos.pos, ==, 5);
+	pos = evbuffer_search_range(buf, "foocata", 7, NULL, &end);
+	tt_int_op(pos.pos, ==, 5);
+	pos = evbuffer_search_range(buf, "foocatat", 8, NULL, &end);
+	tt_int_op(pos.pos, ==, -1);
+	pos = evbuffer_search_range(buf, "ack", 3, NULL, &end);
+	tt_int_op(pos.pos, ==, -1);
+
+	/* Set "end" after the last byte in the buffer. */
+	tt_assert(evbuffer_ptr_set(buf, &end, 17, EVBUFFER_PTR_SET) == 0);
+
+	pos = evbuffer_search_range(buf, "attack", 6, NULL, &end);
+	tt_int_op(pos.pos, ==, 11);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 11, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search_range(buf, "attack", 6, &pos, &end);
+	tt_int_op(pos.pos, ==, 11);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 17, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search_range(buf, "attack", 6, &pos, &end);
+	tt_int_op(pos.pos, ==, -1);
+	tt_assert(evbuffer_ptr_set(buf, &pos, 17, EVBUFFER_PTR_SET) == 0);
+	pos = evbuffer_search_range(buf, "attack", 6, &pos, NULL);
+	tt_int_op(pos.pos, ==, -1);
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+	if (tmp)
+		evbuffer_free(tmp);
+}
+
+static void
+log_change_callback(struct evbuffer *buffer,
+    const struct evbuffer_cb_info *cbinfo,
+    void *arg)
+{
+
+	size_t old_len = cbinfo->orig_size;
+	size_t new_len = old_len + cbinfo->n_added - cbinfo->n_deleted;
+	struct evbuffer *out = arg;
+	evbuffer_add_printf(out, "%lu->%lu; ", (unsigned long)old_len,
+			    (unsigned long)new_len);
+}
+static void
+self_draining_callback(struct evbuffer *evbuffer, size_t old_len,
+		size_t new_len, void *arg)
+{
+	if (new_len > old_len)
+		evbuffer_drain(evbuffer, new_len);
+}
+
+static void
+test_evbuffer_callbacks(void *ptr)
+{
+	struct evbuffer *buf = evbuffer_new();
+	struct evbuffer *buf_out1 = evbuffer_new();
+	struct evbuffer *buf_out2 = evbuffer_new();
+	struct evbuffer_cb_entry *cb1, *cb2;
+
+	tt_assert(buf);
+	tt_assert(buf_out1);
+	tt_assert(buf_out2);
+
+	cb1 = evbuffer_add_cb(buf, log_change_callback, buf_out1);
+	cb2 = evbuffer_add_cb(buf, log_change_callback, buf_out2);
+
+	/* Let's run through adding and deleting some stuff from the buffer
+	 * and turning the callbacks on and off and removing them.  The callback
+	 * adds a summary of length changes to buf_out1/buf_out2 when called. */
+	/* size: 0-> 36. */
+	evbuffer_add_printf(buf, "The %d magic words are spotty pudding", 2);
+	evbuffer_validate(buf);
+	evbuffer_cb_clear_flags(buf, cb2, EVBUFFER_CB_ENABLED);
+	evbuffer_drain(buf, 10); /*36->26*/
+	evbuffer_validate(buf);
+	evbuffer_prepend(buf, "Hello", 5);/*26->31*/
+	evbuffer_cb_set_flags(buf, cb2, EVBUFFER_CB_ENABLED);
+	evbuffer_add_reference(buf, "Goodbye", 7, NULL, NULL); /*31->38*/
+	evbuffer_remove_cb_entry(buf, cb1);
+	evbuffer_validate(buf);
+	evbuffer_drain(buf, evbuffer_get_length(buf)); /*38->0*/;
+	tt_assert(-1 == evbuffer_remove_cb(buf, log_change_callback, NULL));
+	evbuffer_add(buf, "X", 1); /* 0->1 */
+	tt_assert(!evbuffer_remove_cb(buf, log_change_callback, buf_out2));
+	evbuffer_validate(buf);
+
+	tt_str_op((const char *) evbuffer_pullup(buf_out1, -1), ==,
+		  "0->36; 36->26; 26->31; 31->38; ");
+	tt_str_op((const char *) evbuffer_pullup(buf_out2, -1), ==,
+		  "0->36; 31->38; 38->0; 0->1; ");
+	evbuffer_drain(buf_out1, evbuffer_get_length(buf_out1));
+	evbuffer_drain(buf_out2, evbuffer_get_length(buf_out2));
+	/* Let's test the obsolete buffer_setcb function too. */
+	cb1 = evbuffer_add_cb(buf, log_change_callback, buf_out1);
+	tt_assert(cb1 != NULL);
+	cb2 = evbuffer_add_cb(buf, log_change_callback, buf_out2);
+	tt_assert(cb2 != NULL);
+	evbuffer_setcb(buf, self_draining_callback, NULL);
+	evbuffer_add_printf(buf, "This should get drained right away.");
+	tt_uint_op(evbuffer_get_length(buf), ==, 0);
+	tt_uint_op(evbuffer_get_length(buf_out1), ==, 0);
+	tt_uint_op(evbuffer_get_length(buf_out2), ==, 0);
+	evbuffer_setcb(buf, NULL, NULL);
+	evbuffer_add_printf(buf, "This will not.");
+	tt_str_op((const char *) evbuffer_pullup(buf, -1), ==, "This will not.");
+	evbuffer_validate(buf);
+	evbuffer_drain(buf, evbuffer_get_length(buf));
+	evbuffer_validate(buf);
+#if 0
+	/* Now let's try a suspended callback. */
+	cb1 = evbuffer_add_cb(buf, log_change_callback, buf_out1);
+	cb2 = evbuffer_add_cb(buf, log_change_callback, buf_out2);
+	evbuffer_cb_suspend(buf,cb2);
+	evbuffer_prepend(buf,"Hello world",11); /*0->11*/
+	evbuffer_validate(buf);
+	evbuffer_cb_suspend(buf,cb1);
+	evbuffer_add(buf,"more",4); /* 11->15 */
+	evbuffer_cb_unsuspend(buf,cb2);
+	evbuffer_drain(buf, 4); /* 15->11 */
+	evbuffer_cb_unsuspend(buf,cb1);
+	evbuffer_drain(buf, evbuffer_get_length(buf)); /* 11->0 */
+
+	tt_str_op(evbuffer_pullup(buf_out1, -1), ==,
+		  "0->11; 11->11; 11->0; ");
+	tt_str_op(evbuffer_pullup(buf_out2, -1), ==,
+		  "0->15; 15->11; 11->0; ");
+#endif
+
+ end:
+	if (buf)
+		evbuffer_free(buf);
+	if (buf_out1)
+		evbuffer_free(buf_out1);
+	if (buf_out2)
+		evbuffer_free(buf_out2);
+}
+
+static int ref_done_cb_called_count = 0;
+static void *ref_done_cb_called_with = NULL;
+static const void *ref_done_cb_called_with_data = NULL;
+static size_t ref_done_cb_called_with_len = 0;
+static void ref_done_cb(const void *data, size_t len, void *info)
+{
+	++ref_done_cb_called_count;
+	ref_done_cb_called_with = info;
+	ref_done_cb_called_with_data = data;
+	ref_done_cb_called_with_len = len;
+}
+
+static void
+test_evbuffer_add_reference(void *ptr)
+{
+	const char chunk1[] = "If you have found the answer to such a problem";
+	const char chunk2[] = "you ought to write it up for publication";
+			  /* -- Knuth's "Notes on the Exercises" from TAOCP */
+	char tmp[16];
+	size_t len1 = strlen(chunk1), len2=strlen(chunk2);
+
+	struct evbuffer *buf1 = NULL, *buf2 = NULL;
+
+	buf1 = evbuffer_new();
+	tt_assert(buf1);
+
+	evbuffer_add_reference(buf1, chunk1, len1, ref_done_cb, (void*)111);
+	evbuffer_add(buf1, ", ", 2);
+	evbuffer_add_reference(buf1, chunk2, len2, ref_done_cb, (void*)222);
+	tt_int_op(evbuffer_get_length(buf1), ==, len1+len2+2);
+
+	/* Make sure we can drain a little from a reference. */
+	tt_int_op(evbuffer_remove(buf1, tmp, 6), ==, 6);
+	tt_int_op(memcmp(tmp, "If you", 6), ==, 0);
+	tt_int_op(evbuffer_remove(buf1, tmp, 5), ==, 5);
+	tt_int_op(memcmp(tmp, " have", 5), ==, 0);
+
+	/* Make sure that prepending does not meddle with immutable data */
+	tt_int_op(evbuffer_prepend(buf1, "I have ", 7), ==, 0);
+	tt_int_op(memcmp(chunk1, "If you", 6), ==, 0);
+	evbuffer_validate(buf1);
+
+	/* Make sure that when the chunk is over, the callback is invoked. */
+	evbuffer_drain(buf1, 7); /* Remove prepended stuff. */
+	evbuffer_drain(buf1, len1-11-1); /* remove all but one byte of chunk1 */
+	tt_int_op(ref_done_cb_called_count, ==, 0);
+	evbuffer_remove(buf1, tmp, 1);
+	tt_int_op(tmp[0], ==, 'm');
+	tt_assert(ref_done_cb_called_with == (void*)111);
+	tt_assert(ref_done_cb_called_with_data == chunk1);
+	tt_assert(ref_done_cb_called_with_len == len1);
+	tt_int_op(ref_done_cb_called_count, ==, 1);
+	evbuffer_validate(buf1);
+
+	/* Drain some of the remaining chunk, then add it to another buffer */
+	evbuffer_drain(buf1, 6); /* Remove the ", you ". */
+	buf2 = evbuffer_new();
+	tt_assert(buf2);
+	tt_int_op(ref_done_cb_called_count, ==, 1);
+	evbuffer_add(buf2, "I ", 2);
+
+	evbuffer_add_buffer(buf2, buf1);
+	tt_int_op(ref_done_cb_called_count, ==, 1);
+	evbuffer_remove(buf2, tmp, 16);
+	tt_int_op(memcmp("I ought to write", tmp, 16), ==, 0);
+	evbuffer_drain(buf2, evbuffer_get_length(buf2));
+	tt_int_op(ref_done_cb_called_count, ==, 2);
+	tt_assert(ref_done_cb_called_with == (void*)222);
+	evbuffer_validate(buf2);
+
+	/* Now add more stuff to buf1 and make sure that it gets removed on
+	 * free. */
+	evbuffer_add(buf1, "You shake and shake the ", 24);
+	evbuffer_add_reference(buf1, "ketchup bottle", 14, ref_done_cb,
+	    (void*)3333);
+	evbuffer_add(buf1, ". Nothing comes and then a lot'll.", 35);
+	evbuffer_free(buf1);
+	buf1 = NULL;
+	tt_int_op(ref_done_cb_called_count, ==, 3);
+	tt_assert(ref_done_cb_called_with == (void*)3333);
+
+end:
+	if (buf1)
+		evbuffer_free(buf1);
+	if (buf2)
+		evbuffer_free(buf2);
+}
+
+static void
+test_evbuffer_multicast(void *ptr)
+{
+	const char chunk1[] = "If you have found the answer to such a problem";
+	const char chunk2[] = "you ought to write it up for publication";
+			  /* -- Knuth's "Notes on the Exercises" from TAOCP */
+	char tmp[16];
+	size_t len1 = strlen(chunk1), len2=strlen(chunk2);
+
+	struct evbuffer *buf1 = NULL, *buf2 = NULL;
+
+	buf1 = evbuffer_new();
+	tt_assert(buf1);
+
+	evbuffer_add(buf1, chunk1, len1);
+	evbuffer_add(buf1, ", ", 2);
+	evbuffer_add(buf1, chunk2, len2);
+	tt_int_op(evbuffer_get_length(buf1), ==, len1+len2+2);
+
+	buf2 = evbuffer_new();
+	tt_assert(buf2);
+
+	tt_int_op(evbuffer_add_buffer_reference(buf2, buf1), ==, 0);
+	/* nested references are not allowed */
+	tt_int_op(evbuffer_add_buffer_reference(buf2, buf2), ==, -1);
+	tt_int_op(evbuffer_add_buffer_reference(buf1, buf2), ==, -1);
+
+	/* both buffers contain the same amount of data */
+	tt_int_op(evbuffer_get_length(buf1), ==, evbuffer_get_length(buf1));
+
+	/* Make sure we can drain a little from the first buffer. */
+	tt_int_op(evbuffer_remove(buf1, tmp, 6), ==, 6);
+	tt_int_op(memcmp(tmp, "If you", 6), ==, 0);
+	tt_int_op(evbuffer_remove(buf1, tmp, 5), ==, 5);
+	tt_int_op(memcmp(tmp, " have", 5), ==, 0);
+
+	/* Make sure that prepending does not meddle with immutable data */
+	tt_int_op(evbuffer_prepend(buf1, "I have ", 7), ==, 0);
+	tt_int_op(memcmp(chunk1, "If you", 6), ==, 0);
+	evbuffer_validate(buf1);
+
+	/* Make sure we can drain a little from the second buffer. */
+	tt_int_op(evbuffer_remove(buf2, tmp, 6), ==, 6);
+	tt_int_op(memcmp(tmp, "If you", 6), ==, 0);
+	tt_int_op(evbuffer_remove(buf2, tmp, 5), ==, 5);
+	tt_int_op(memcmp(tmp, " have", 5), ==, 0);
+
+	/* Make sure that prepending does not meddle with immutable data */
+	tt_int_op(evbuffer_prepend(buf2, "I have ", 7), ==, 0);
+	tt_int_op(memcmp(chunk1, "If you", 6), ==, 0);
+	evbuffer_validate(buf2);
+
+	/* Make sure the data can be read from the second buffer when the first is freed */
+	evbuffer_free(buf1);
+	buf1 = NULL;
+
+	tt_int_op(evbuffer_remove(buf2, tmp, 6), ==, 6);
+	tt_int_op(memcmp(tmp, "I have", 6), ==, 0);
+
+	tt_int_op(evbuffer_remove(buf2, tmp, 6), ==, 6);
+	tt_int_op(memcmp(tmp, "  foun", 6), ==, 0);
+
+end:
+	if (buf1)
+		evbuffer_free(buf1);
+	if (buf2)
+		evbuffer_free(buf2);
+}
+
+static void
+test_evbuffer_multicast_drain(void *ptr)
+{
+	const char chunk1[] = "If you have found the answer to such a problem";
+	const char chunk2[] = "you ought to write it up for publication";
+			  /* -- Knuth's "Notes on the Exercises" from TAOCP */
+	size_t len1 = strlen(chunk1), len2=strlen(chunk2);
+
+	struct evbuffer *buf1 = NULL, *buf2 = NULL;
+
+	buf1 = evbuffer_new();
+	tt_assert(buf1);
+
+	evbuffer_add(buf1, chunk1, len1);
+	evbuffer_add(buf1, ", ", 2);
+	evbuffer_add(buf1, chunk2, len2);
+	tt_int_op(evbuffer_get_length(buf1), ==, len1+len2+2);
+
+	buf2 = evbuffer_new();
+	tt_assert(buf2);
+
+	tt_int_op(evbuffer_add_buffer_reference(buf2, buf1), ==, 0);
+	tt_int_op(evbuffer_get_length(buf2), ==, len1+len2+2);
+	tt_int_op(evbuffer_drain(buf1, evbuffer_get_length(buf1)), ==, 0);
+	tt_int_op(evbuffer_get_length(buf2), ==, len1+len2+2);
+	tt_int_op(evbuffer_drain(buf2, evbuffer_get_length(buf2)), ==, 0);
+	evbuffer_validate(buf1);
+	evbuffer_validate(buf2);
+
+end:
+	if (buf1)
+		evbuffer_free(buf1);
+	if (buf2)
+		evbuffer_free(buf2);
+}
+
+static void
+check_prepend(struct evbuffer *buffer,
+    const struct evbuffer_cb_info *cbinfo,
+    void *arg)
+{
+	tt_int_op(cbinfo->orig_size, ==, 3);
+	tt_int_op(cbinfo->n_added, ==, 8096);
+	tt_int_op(cbinfo->n_deleted, ==, 0);
+end:
+	;
+}
+/* Some cases that we didn't get in test_evbuffer() above, for more coverage. */
+static void
+test_evbuffer_prepend(void *ptr)
+{
+	struct evbuffer *buf1 = NULL, *buf2 = NULL;
+	char tmp[128], *buffer = malloc(8096);
+	int n;
+
+	buf1 = evbuffer_new();
+	tt_assert(buf1);
+
+	/* Case 0: The evbuffer is entirely empty. */
+	evbuffer_prepend(buf1, "This string has 29 characters", 29);
+	evbuffer_validate(buf1);
+
+	/* Case 1: Prepend goes entirely in new chunk. */
+	evbuffer_prepend(buf1, "Short.", 6);
+	evbuffer_validate(buf1);
+
+	/* Case 2: prepend goes entirely in first chunk. */
+	evbuffer_drain(buf1, 6+11);
+	evbuffer_prepend(buf1, "it", 2);
+	evbuffer_validate(buf1);
+	tt_assert(!memcmp(buf1->first->buffer+buf1->first->misalign,
+		"it has", 6));
+
+	/* Case 3: prepend is split over multiple chunks. */
+	evbuffer_prepend(buf1, "It is no longer true to say ", 28);
+	evbuffer_validate(buf1);
+	n = evbuffer_remove(buf1, tmp, sizeof(tmp)-1);
+	tt_int_op(n, >=, 0);
+	tmp[n]='\0';
+	tt_str_op(tmp,==,"It is no longer true to say it has 29 characters");
+
+	buf2 = evbuffer_new();
+	tt_assert(buf2);
+
+	/* Case 4: prepend a buffer to an empty buffer. */
+	n = 999;
+	evbuffer_add_printf(buf1, "Here is string %d. ", n++);
+	evbuffer_prepend_buffer(buf2, buf1);
+	evbuffer_validate(buf2);
+
+	/* Case 5: prepend a buffer to a nonempty buffer. */
+	evbuffer_add_printf(buf1, "Here is string %d. ", n++);
+	evbuffer_prepend_buffer(buf2, buf1);
+	evbuffer_validate(buf2);
+	evbuffer_validate(buf1);
+	n = evbuffer_remove(buf2, tmp, sizeof(tmp)-1);
+	tt_int_op(n, >=, 0);
+	tmp[n]='\0';
+	tt_str_op(tmp,==,"Here is string 1000. Here is string 999. ");
+
+	/* Case 5: evbuffer_prepend() will need a new buffer, with callbacks */
+	memset(buffer, 'A', 8096);
+	evbuffer_free(buf2);
+	buf2 = evbuffer_new();
+	tt_assert(buf2);
+	evbuffer_prepend(buf2, "foo", 3);
+	evbuffer_add_cb(buf2, check_prepend, NULL);
+	evbuffer_prepend(buf2, buffer, 8096);
+	evbuffer_remove_cb(buf2, check_prepend, NULL);
+	evbuffer_validate(buf2);
+	tt_nstr_op(8096,(char *)evbuffer_pullup(buf2, 8096),==,buffer);
+	evbuffer_drain(buf2, 8096);
+	tt_nstr_op(3,(char *)evbuffer_pullup(buf2, 3),==,"foo");
+	evbuffer_drain(buf2, 3);
+
+end:
+	free(buffer);
+	if (buf1)
+		evbuffer_free(buf1);
+	if (buf2)
+		evbuffer_free(buf2);
+
+}
+
+static void
+test_evbuffer_peek_first_gt(void *info)
+{
+	struct evbuffer *buf = NULL, *tmp_buf = NULL;
+	struct evbuffer_ptr ptr;
+	struct evbuffer_iovec v[2];
+
+	buf = evbuffer_new();
+	tmp_buf = evbuffer_new();
+	evbuffer_add_printf(tmp_buf, "Contents of chunk 100\n");
+	evbuffer_add_buffer(buf, tmp_buf);
+	evbuffer_add_printf(tmp_buf, "Contents of chunk 1\n");
+	evbuffer_add_buffer(buf, tmp_buf);
+
+	evbuffer_ptr_set(buf, &ptr, 0, EVBUFFER_PTR_SET);
+
+	/** The only case that matters*/
+	tt_int_op(evbuffer_peek(buf, -1, &ptr, NULL, 0), ==, 2);
+	/** Just in case */
+	tt_int_op(evbuffer_peek(buf, -1, &ptr, v, 2), ==, 2);
+
+	evbuffer_ptr_set(buf, &ptr, 20, EVBUFFER_PTR_ADD);
+	tt_int_op(evbuffer_peek(buf, -1, &ptr, NULL, 0), ==, 2);
+	tt_int_op(evbuffer_peek(buf, -1, &ptr, v, 2), ==, 2);
+	tt_int_op(evbuffer_peek(buf, 2, &ptr, NULL, 0), ==, 1);
+	tt_int_op(evbuffer_peek(buf, 2, &ptr, v, 2), ==, 1);
+	tt_int_op(evbuffer_peek(buf, 3, &ptr, NULL, 0), ==, 2);
+	tt_int_op(evbuffer_peek(buf, 3, &ptr, v, 2), ==, 2);
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+	if (tmp_buf)
+		evbuffer_free(tmp_buf);
+}
+
+static void
+test_evbuffer_peek(void *info)
+{
+	struct evbuffer *buf = NULL, *tmp_buf = NULL;
+	int i;
+	struct evbuffer_iovec v[20];
+	struct evbuffer_ptr ptr;
+
+#define tt_iov_eq(v, s)						\
+	tt_int_op((v)->iov_len, ==, strlen(s));			\
+	tt_assert(!memcmp((v)->iov_base, (s), strlen(s)))
+
+	/* Let's make a very fragmented buffer. */
+	buf = evbuffer_new();
+	tmp_buf = evbuffer_new();
+	for (i = 0; i < 16; ++i) {
+		evbuffer_add_printf(tmp_buf, "Contents of chunk [%d]\n", i);
+		evbuffer_add_buffer(buf, tmp_buf);
+	}
+
+	/* How many chunks do we need for everything? */
+	i = evbuffer_peek(buf, -1, NULL, NULL, 0);
+	tt_int_op(i, ==, 16);
+
+	/* Simple peek: get everything. */
+	i = evbuffer_peek(buf, -1, NULL, v, 20);
+	tt_int_op(i, ==, 16); /* we used only 16 chunks. */
+	tt_iov_eq(&v[0], "Contents of chunk [0]\n");
+	tt_iov_eq(&v[3], "Contents of chunk [3]\n");
+	tt_iov_eq(&v[12], "Contents of chunk [12]\n");
+	tt_iov_eq(&v[15], "Contents of chunk [15]\n");
+
+	/* Just get one chunk worth. */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(buf, -1, NULL, v, 1);
+	tt_int_op(i, ==, 1);
+	tt_iov_eq(&v[0], "Contents of chunk [0]\n");
+	tt_assert(v[1].iov_base == NULL);
+
+	/* Suppose we want at least the first 40 bytes. */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(buf, 40, NULL, v, 16);
+	tt_int_op(i, ==, 2);
+	tt_iov_eq(&v[0], "Contents of chunk [0]\n");
+	tt_iov_eq(&v[1], "Contents of chunk [1]\n");
+	tt_assert(v[2].iov_base == NULL);
+
+	/* How many chunks do we need for 100 bytes? */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(buf, 100, NULL, NULL, 0);
+	tt_int_op(i, ==, 5);
+	tt_assert(v[0].iov_base == NULL);
+
+	/* Now we ask for more bytes than we provide chunks for */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(buf, 60, NULL, v, 1);
+	tt_int_op(i, ==, 3);
+	tt_iov_eq(&v[0], "Contents of chunk [0]\n");
+	tt_assert(v[1].iov_base == NULL);
+
+	/* Now we ask for more bytes than the buffer has. */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(buf, 65536, NULL, v, 20);
+	tt_int_op(i, ==, 16); /* we used only 16 chunks. */
+	tt_iov_eq(&v[0], "Contents of chunk [0]\n");
+	tt_iov_eq(&v[3], "Contents of chunk [3]\n");
+	tt_iov_eq(&v[12], "Contents of chunk [12]\n");
+	tt_iov_eq(&v[15], "Contents of chunk [15]\n");
+	tt_assert(v[16].iov_base == NULL);
+
+	/* What happens if we try an empty buffer? */
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(tmp_buf, -1, NULL, v, 20);
+	tt_int_op(i, ==, 0);
+	tt_assert(v[0].iov_base == NULL);
+	memset(v, 0, sizeof(v));
+	i = evbuffer_peek(tmp_buf, 50, NULL, v, 20);
+	tt_int_op(i, ==, 0);
+	tt_assert(v[0].iov_base == NULL);
+
+	/* Okay, now time to have fun with pointers. */
+	memset(v, 0, sizeof(v));
+	evbuffer_ptr_set(buf, &ptr, 30, EVBUFFER_PTR_SET);
+	i = evbuffer_peek(buf, 50, &ptr, v, 20);
+	tt_int_op(i, ==, 3);
+	tt_iov_eq(&v[0], " of chunk [1]\n");
+	tt_iov_eq(&v[1], "Contents of chunk [2]\n");
+	tt_iov_eq(&v[2], "Contents of chunk [3]\n"); /*more than we asked for*/
+
+	/* advance to the start of another chain. */
+	memset(v, 0, sizeof(v));
+	evbuffer_ptr_set(buf, &ptr, 14, EVBUFFER_PTR_ADD);
+	i = evbuffer_peek(buf, 44, &ptr, v, 20);
+	tt_int_op(i, ==, 2);
+	tt_iov_eq(&v[0], "Contents of chunk [2]\n");
+	tt_iov_eq(&v[1], "Contents of chunk [3]\n"); /*more than we asked for*/
+
+	/* peek at the end of the buffer */
+	memset(v, 0, sizeof(v));
+	tt_assert(evbuffer_ptr_set(buf, &ptr, evbuffer_get_length(buf), EVBUFFER_PTR_SET) == 0);
+	i = evbuffer_peek(buf, 44, &ptr, v, 20);
+	tt_int_op(i, ==, 0);
+	tt_assert(v[0].iov_base == NULL);
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+	if (tmp_buf)
+		evbuffer_free(tmp_buf);
+}
+
+/* Check whether evbuffer freezing works right.  This is called twice,
+   once with the argument "start" and once with the argument "end".
+   When we test "start", we freeze the start of an evbuffer and make sure
+   that modifying the start of the buffer doesn't work.  When we test
+   "end", we freeze the end of an evbuffer and make sure that modifying
+   the end of the buffer doesn't work.
+ */
+static void
+test_evbuffer_freeze(void *ptr)
+{
+	struct evbuffer *buf = NULL, *tmp_buf=NULL;
+	const char string[] = /* Year's End, Richard Wilbur */
+	    "I've known the wind by water banks to shake\n"
+	    "The late leaves down, which frozen where they fell\n"
+	    "And held in ice as dancers in a spell\n"
+	    "Fluttered all winter long into a lake...";
+	const int start = !strcmp(ptr, "start");
+	char *cp;
+	char charbuf[128];
+	int r;
+	size_t orig_length;
+	struct evbuffer_iovec v[1];
+
+	if (!start)
+		tt_str_op(ptr, ==, "end");
+
+	buf = evbuffer_new();
+	tmp_buf = evbuffer_new();
+	tt_assert(tmp_buf);
+
+	evbuffer_add(buf, string, strlen(string));
+	evbuffer_freeze(buf, start); /* Freeze the start or the end.*/
+
+#define FREEZE_EQ(a, startcase, endcase)		\
+	do {						\
+	    if (start) {				\
+		    tt_int_op((a), ==, (startcase));	\
+	    } else {					\
+		    tt_int_op((a), ==, (endcase));	\
+	    }						\
+	} while (0)
+
+
+	orig_length = evbuffer_get_length(buf);
+
+	/* These functions all manipulate the end of buf. */
+	r = evbuffer_add(buf, "abc", 0);
+	FREEZE_EQ(r, 0, -1);
+	r = evbuffer_reserve_space(buf, 10, v, 1);
+	FREEZE_EQ(r, 1, -1);
+	if (r == 1) {
+		memset(v[0].iov_base, 'X', 10);
+		v[0].iov_len = 10;
+	}
+	r = evbuffer_commit_space(buf, v, 1);
+	FREEZE_EQ(r, 0, -1);
+	r = evbuffer_add_reference(buf, string, 5, NULL, NULL);
+	FREEZE_EQ(r, 0, -1);
+	r = evbuffer_add_printf(buf, "Hello %s", "world");
+	FREEZE_EQ(r, 11, -1);
+	/* TODO: test add_buffer, add_file, read */
+
+	if (!start)
+		tt_int_op(orig_length, ==, evbuffer_get_length(buf));
+
+	orig_length = evbuffer_get_length(buf);
+
+	/* These functions all manipulate the start of buf. */
+	r = evbuffer_remove(buf, charbuf, 1);
+	FREEZE_EQ(r, -1, 1);
+	r = evbuffer_drain(buf, 3);
+	FREEZE_EQ(r, -1, 0);
+	r = evbuffer_prepend(buf, "dummy", 5);
+	FREEZE_EQ(r, -1, 0);
+	cp = evbuffer_readln(buf, NULL, EVBUFFER_EOL_LF);
+	FREEZE_EQ(cp==NULL, 1, 0);
+	if (cp)
+		free(cp);
+	/* TODO: Test remove_buffer, add_buffer, write, prepend_buffer */
+
+	if (start)
+		tt_int_op(orig_length, ==, evbuffer_get_length(buf));
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+
+	if (tmp_buf)
+		evbuffer_free(tmp_buf);
+}
+
+static void
+test_evbuffer_add_iovec(void * ptr)
+{
+	struct evbuffer * buf = NULL;
+	struct evbuffer_iovec vec[4];
+	const char * data[] = {
+		"Guilt resembles a sword with two edges.",
+		"On the one hand, it cuts for Justice, imposing practical morality upon those who fear it.",
+		"Conscience does not always adhere to rational judgment.",
+		"Guilt is always a self-imposed burden, but it is not always rightly imposed."
+		/* -- R.A. Salvatore, _Sojurn_ */
+	};
+	size_t expected_length = 0;
+	size_t returned_length = 0;
+	int i;
+
+	buf = evbuffer_new();
+
+	tt_assert(buf);
+
+	for (i = 0; i < 4; i++) {
+		vec[i].iov_len  = strlen(data[i]);
+		vec[i].iov_base = (char*) data[i];
+		expected_length += vec[i].iov_len;
+	}
+
+	returned_length = evbuffer_add_iovec(buf, vec, 4);
+
+	tt_int_op(returned_length, ==, evbuffer_get_length(buf));
+	tt_int_op(evbuffer_get_length(buf), ==, expected_length);
+
+	for (i = 0; i < 4; i++) {
+		char charbuf[1024];
+
+		memset(charbuf, 0, 1024);
+		evbuffer_remove(buf, charbuf, strlen(data[i]));
+		tt_assert(strcmp(charbuf, data[i]) == 0);
+	}
+
+	tt_assert(evbuffer_get_length(buf) == 0);
+end:
+	if (buf) {
+		evbuffer_free(buf);
+	}
+}
+
+static void
+test_evbuffer_copyout(void *dummy)
+{
+	const char string[] =
+	    "Still they skirmish to and fro, men my messmates on the snow "
+	    "When we headed off the aurochs turn for turn; "
+	    "When the rich Allobrogenses never kept amanuenses, "
+	    "And our only plots were piled in lakes at Berne.";
+	/* -- Kipling, "In The Neolithic Age" */
+	char tmp[1024];
+	struct evbuffer_ptr ptr;
+	struct evbuffer *buf;
+
+	(void)dummy;
+
+	buf = evbuffer_new();
+	tt_assert(buf);
+
+	tt_int_op(strlen(string), ==, 206);
+
+	/* Ensure separate chains */
+	evbuffer_add_reference(buf, string, 80, no_cleanup, NULL);
+	evbuffer_add_reference(buf, string+80, 80, no_cleanup, NULL);
+	evbuffer_add(buf, string+160, strlen(string)-160);
+
+	tt_int_op(206, ==, evbuffer_get_length(buf));
+
+	/* First, let's test plain old copyout. */
+
+	/* Copy a little from the beginning. */
+	tt_int_op(10, ==, evbuffer_copyout(buf, tmp, 10));
+	tt_int_op(0, ==, memcmp(tmp, "Still they", 10));
+
+	/* Now copy more than a little from the beginning */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(100, ==, evbuffer_copyout(buf, tmp, 100));
+	tt_int_op(0, ==, memcmp(tmp, string, 100));
+
+	/* Copy too much; ensure truncation. */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(206, ==, evbuffer_copyout(buf, tmp, 230));
+	tt_int_op(0, ==, memcmp(tmp, string, 206));
+
+	/* That was supposed to be nondestructive, btw */
+	tt_int_op(206, ==, evbuffer_get_length(buf));
+
+	/* Now it's time to test copyout_from!  First, let's start in the
+	 * first chain. */
+	evbuffer_ptr_set(buf, &ptr, 15, EVBUFFER_PTR_SET);
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(10, ==, evbuffer_copyout_from(buf, &ptr, tmp, 10));
+	tt_int_op(0, ==, memcmp(tmp, "mish to an", 10));
+
+	/* Right up to the end of the first chain */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(65, ==, evbuffer_copyout_from(buf, &ptr, tmp, 65));
+	tt_int_op(0, ==, memcmp(tmp, string+15, 65));
+
+	/* Span into the second chain */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(90, ==, evbuffer_copyout_from(buf, &ptr, tmp, 90));
+	tt_int_op(0, ==, memcmp(tmp, string+15, 90));
+
+	/* Span into the third chain */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(160, ==, evbuffer_copyout_from(buf, &ptr, tmp, 160));
+	tt_int_op(0, ==, memcmp(tmp, string+15, 160));
+
+	/* Overrun */
+	memset(tmp, 0, sizeof(tmp));
+	tt_int_op(206-15, ==, evbuffer_copyout_from(buf, &ptr, tmp, 999));
+	tt_int_op(0, ==, memcmp(tmp, string+15, 206-15));
+
+	/* That was supposed to be nondestructive, too */
+	tt_int_op(206, ==, evbuffer_get_length(buf));
+
+end:
+	if (buf)
+		evbuffer_free(buf);
+}
+
+static void *
+setup_passthrough(const struct testcase_t *testcase)
+{
+	return testcase->setup_data;
+}
+static int
+cleanup_passthrough(const struct testcase_t *testcase, void *ptr)
+{
+	(void) ptr;
+	return 1;
+}
+
+static const struct testcase_setup_t nil_setup = {
+	setup_passthrough,
+	cleanup_passthrough
+};
+
+struct testcase_t evbuffer_testcases[] = {
+	{ "evbuffer", test_evbuffer, 0, NULL, NULL },
+	{ "remove_buffer_with_empty", test_evbuffer_remove_buffer_with_empty, 0, NULL, NULL },
+	{ "remove_buffer_with_empty2", test_evbuffer_remove_buffer_with_empty2, 0, NULL, NULL },
+	{ "remove_buffer_with_empty3", test_evbuffer_remove_buffer_with_empty3, 0, NULL, NULL },
+	{ "add_buffer_with_empty", test_evbuffer_add_buffer_with_empty, 0, NULL, NULL },
+	{ "add_buffer_with_empty2", test_evbuffer_add_buffer_with_empty2, 0, NULL, NULL },
+	{ "reserve2", test_evbuffer_reserve2, 0, NULL, NULL },
+	{ "reserve_many", test_evbuffer_reserve_many, 0, NULL, NULL },
+	{ "reserve_many2", test_evbuffer_reserve_many, 0, &nil_setup, (void*)"add" },
+	{ "reserve_many3", test_evbuffer_reserve_many, 0, &nil_setup, (void*)"fill" },
+	{ "expand", test_evbuffer_expand, 0, NULL, NULL },
+	{ "expand_overflow", test_evbuffer_expand_overflow, 0, NULL, NULL },
+	{ "add1", test_evbuffer_add1, 0, NULL, NULL },
+	{ "add2", test_evbuffer_add2, 0, NULL, NULL },
+	{ "reference", test_evbuffer_reference, 0, NULL, NULL },
+	{ "reference2", test_evbuffer_reference2, 0, NULL, NULL },
+	{ "iterative", test_evbuffer_iterative, 0, NULL, NULL },
+	{ "readln", test_evbuffer_readln, TT_NO_LOGS, &basic_setup, NULL },
+	{ "search_eol", test_evbuffer_search_eol, 0, NULL, NULL },
+	{ "find", test_evbuffer_find, 0, NULL, NULL },
+	{ "ptr_set", test_evbuffer_ptr_set, 0, NULL, NULL },
+	{ "search", test_evbuffer_search, 0, NULL, NULL },
+	{ "callbacks", test_evbuffer_callbacks, 0, NULL, NULL },
+	{ "add_reference", test_evbuffer_add_reference, 0, NULL, NULL },
+	{ "multicast", test_evbuffer_multicast, 0, NULL, NULL },
+	{ "multicast_drain", test_evbuffer_multicast_drain, 0, NULL, NULL },
+	{ "prepend", test_evbuffer_prepend, TT_FORK, NULL, NULL },
+	{ "peek", test_evbuffer_peek, 0, NULL, NULL },
+	{ "peek_first_gt", test_evbuffer_peek_first_gt, 0, NULL, NULL },
+	{ "freeze_start", test_evbuffer_freeze, 0, &nil_setup, (void*)"start" },
+	{ "freeze_end", test_evbuffer_freeze, 0, &nil_setup, (void*)"end" },
+	{ "add_iovec", test_evbuffer_add_iovec, 0, NULL, NULL},
+	{ "copyout", test_evbuffer_copyout, 0, NULL, NULL},
+	{ "file_segment_add_cleanup_cb", test_evbuffer_file_segment_add_cleanup_cb, 0, NULL, NULL },
+
+#define ADDFILE_TEST(name, parameters)					\
+	{ name, test_evbuffer_add_file, TT_FORK|TT_NEED_BASE,		\
+	  &basic_setup, (void*)(parameters) }
+
+#define ADDFILE_TEST_GROUP(name, parameters)			\
+	ADDFILE_TEST(name "_sendfile", "sendfile " parameters), \
+	ADDFILE_TEST(name "_mmap", "mmap " parameters),		\
+	ADDFILE_TEST(name "_linear", "linear " parameters)
+
+	ADDFILE_TEST_GROUP("add_file", ""),
+	ADDFILE_TEST("add_file_nosegment", "default nosegment"),
+
+	ADDFILE_TEST_GROUP("add_big_file", "bigfile"),
+	ADDFILE_TEST("add_big_file_nosegment", "default nosegment bigfile"),
+
+	ADDFILE_TEST_GROUP("add_file_offset", "bigfile map_offset"),
+	ADDFILE_TEST("add_file_offset_nosegment",
+	    "default nosegment bigfile map_offset"),
+
+	ADDFILE_TEST_GROUP("add_file_offset2", "bigfile offset_in_segment"),
+
+	ADDFILE_TEST_GROUP("add_file_offset3",
+	    "bigfile offset_in_segment map_offset"),
+
+	END_OF_TESTCASES
+};
diff --git a/test/regress_bufferevent.c b/test/regress_bufferevent.c
new file mode 100644
index 0000000..249985e
--- /dev/null
+++ b/test/regress_bufferevent.c
@@ -0,0 +1,1443 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+/* The old tests here need assertions to work. */
+#undef NDEBUG
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#endif
+#include <fcntl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#ifdef EVENT__HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include "event2/event-config.h"
+#include "event2/event.h"
+#include "event2/event_struct.h"
+#include "event2/event_compat.h"
+#include "event2/tag.h"
+#include "event2/buffer.h"
+#include "event2/bufferevent.h"
+#include "event2/bufferevent_compat.h"
+#include "event2/bufferevent_struct.h"
+#include "event2/listener.h"
+#include "event2/util.h"
+
+#include "bufferevent-internal.h"
+#include "evthread-internal.h"
+#include "util-internal.h"
+#ifdef _WIN32
+#include "iocp-internal.h"
+#endif
+
+#include "regress.h"
+#include "regress_testutils.h"
+
+/*
+ * simple bufferevent test
+ */
+
+static void
+readcb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bev->input) == 8333) {
+		struct evbuffer *evbuf = evbuffer_new();
+		assert(evbuf != NULL);
+
+		/* gratuitous test of bufferevent_read_buffer */
+		bufferevent_read_buffer(bev, evbuf);
+
+		bufferevent_disable(bev, EV_READ);
+
+		if (evbuffer_get_length(evbuf) == 8333) {
+			test_ok++;
+		}
+
+		evbuffer_free(evbuf);
+	}
+}
+
+static void
+writecb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bev->output) == 0) {
+		test_ok++;
+	}
+}
+
+static void
+errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	test_ok = -2;
+}
+
+static void
+test_bufferevent_impl(int use_pair, int flush)
+{
+	struct bufferevent *bev1 = NULL, *bev2 = NULL;
+	char buffer[8333];
+	int i;
+	int expected = 2;
+
+	if (use_pair) {
+		struct bufferevent *pair[2];
+		tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
+		bev1 = pair[0];
+		bev2 = pair[1];
+		bufferevent_setcb(bev1, readcb, writecb, errorcb, bev1);
+		bufferevent_setcb(bev2, readcb, writecb, errorcb, NULL);
+		tt_int_op(bufferevent_getfd(bev1), ==, -1);
+		tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
+		tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, bev2);
+		tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, bev1);
+	} else {
+		bev1 = bufferevent_new(pair[0], readcb, writecb, errorcb, NULL);
+		bev2 = bufferevent_new(pair[1], readcb, writecb, errorcb, NULL);
+		tt_int_op(bufferevent_getfd(bev1), ==, pair[0]);
+		tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
+		tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
+		tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, NULL);
+	}
+
+	{
+		/* Test getcb. */
+		bufferevent_data_cb r, w;
+		bufferevent_event_cb e;
+		void *a;
+		bufferevent_getcb(bev1, &r, &w, &e, &a);
+		tt_ptr_op(r, ==, readcb);
+		tt_ptr_op(w, ==, writecb);
+		tt_ptr_op(e, ==, errorcb);
+		tt_ptr_op(a, ==, use_pair ? bev1 : NULL);
+	}
+
+	bufferevent_disable(bev1, EV_READ);
+	bufferevent_enable(bev2, EV_READ);
+
+	tt_int_op(bufferevent_get_enabled(bev1), ==, EV_WRITE);
+	tt_int_op(bufferevent_get_enabled(bev2), ==, EV_WRITE|EV_READ);
+
+	for (i = 0; i < (int)sizeof(buffer); i++)
+		buffer[i] = i;
+
+	bufferevent_write(bev1, buffer, sizeof(buffer));
+	if (flush >= 0) {
+		tt_int_op(bufferevent_flush(bev1, EV_WRITE, flush), >=, 0);
+	}
+
+	event_dispatch();
+
+	bufferevent_free(bev2);
+	tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
+	bufferevent_free(bev1);
+
+	/** Only pair call errorcb for BEV_FINISHED */
+	if (use_pair && flush == BEV_FINISHED) {
+		expected = -1;
+	}
+	if (test_ok != expected)
+		test_ok = 0;
+end:
+	;
+}
+
+static void test_bufferevent(void) { test_bufferevent_impl(0, -1); }
+static void test_bufferevent_pair(void) { test_bufferevent_impl(1, -1); }
+
+static void test_bufferevent_flush_normal(void) { test_bufferevent_impl(0, BEV_NORMAL); }
+static void test_bufferevent_flush_flush(void) { test_bufferevent_impl(0, BEV_FLUSH); }
+static void test_bufferevent_flush_finished(void) { test_bufferevent_impl(0, BEV_FINISHED); }
+
+static void test_bufferevent_pair_flush_normal(void) { test_bufferevent_impl(1, BEV_NORMAL); }
+static void test_bufferevent_pair_flush_flush(void) { test_bufferevent_impl(1, BEV_FLUSH); }
+static void test_bufferevent_pair_flush_finished(void) { test_bufferevent_impl(1, BEV_FINISHED); }
+
+#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
+/**
+ * Trace lock/unlock/alloc/free for locks.
+ * (More heavier then evthread_debug*)
+ */
+typedef struct
+{
+	void *lock;
+	enum {
+		ALLOC, FREE,
+	} status;
+	size_t locked /** allow recursive locking */;
+} lock_wrapper;
+struct lock_unlock_base
+{
+	/* Original callbacks */
+	struct evthread_lock_callbacks cbs;
+	/* Map of locks */
+	lock_wrapper *locks;
+	size_t nr_locks;
+} lu_base = {
+	.locks = NULL,
+};
+
+static lock_wrapper *lu_find(void *lock_)
+{
+	size_t i;
+	for (i = 0; i < lu_base.nr_locks; ++i) {
+		lock_wrapper *lock = &lu_base.locks[i];
+		if (lock->lock == lock_)
+			return lock;
+	}
+	return NULL;
+}
+
+static void *trace_lock_alloc(unsigned locktype)
+{
+	void *lock;
+	++lu_base.nr_locks;
+	lu_base.locks = realloc(lu_base.locks,
+		sizeof(lock_wrapper) * lu_base.nr_locks);
+	lock = lu_base.cbs.alloc(locktype);
+	lu_base.locks[lu_base.nr_locks - 1] = (lock_wrapper){ lock, ALLOC, 0 };
+	return lock;
+}
+static void trace_lock_free(void *lock_, unsigned locktype)
+{
+	lock_wrapper *lock = lu_find(lock_);
+	if (!lock || lock->status == FREE || lock->locked) {
+		TT_FAIL(("lock: free error"));
+	} else {
+		lock->status = FREE;
+		lu_base.cbs.free(lock_, locktype);
+	}
+}
+static int trace_lock_lock(unsigned mode, void *lock_)
+{
+	lock_wrapper *lock = lu_find(lock_);
+	if (!lock || lock->status == FREE) {
+		TT_FAIL(("lock: lock error"));
+		return -1;
+	} else {
+		++lock->locked;
+		return lu_base.cbs.lock(mode, lock_);
+	}
+}
+static int trace_lock_unlock(unsigned mode, void *lock_)
+{
+	lock_wrapper *lock = lu_find(lock_);
+	if (!lock || lock->status == FREE || !lock->locked) {
+		TT_FAIL(("lock: unlock error"));
+		return -1;
+	} else {
+		--lock->locked;
+		return lu_base.cbs.unlock(mode, lock_);
+	}
+}
+static void lock_unlock_free_thread_cbs(void)
+{
+	event_base_free(NULL);
+
+	if (libevent_tests_running_in_debug_mode)
+		libevent_global_shutdown();
+
+	/** drop immutable flag */
+	evthread_set_lock_callbacks(NULL);
+	/** avoid calling of event_global_setup_locks_() for new cbs */
+	libevent_global_shutdown();
+	/** drop immutable flag for non-debug ops (since called after shutdown) */
+	evthread_set_lock_callbacks(NULL);
+}
+
+static int use_lock_unlock_profiler(void)
+{
+	struct evthread_lock_callbacks cbs = {
+		EVTHREAD_LOCK_API_VERSION,
+		EVTHREAD_LOCKTYPE_RECURSIVE,
+		trace_lock_alloc,
+		trace_lock_free,
+		trace_lock_lock,
+		trace_lock_unlock,
+	};
+	memcpy(&lu_base.cbs, evthread_get_lock_callbacks(),
+		sizeof(lu_base.cbs));
+	{
+		lock_unlock_free_thread_cbs();
+
+		evthread_set_lock_callbacks(&cbs);
+		/** re-create debug locks correctly */
+		evthread_enable_lock_debugging();
+
+		event_init();
+	}
+	return 0;
+}
+static void free_lock_unlock_profiler(struct basic_test_data *data)
+{
+	/** fix "held_by" for kqueue */
+	evthread_set_lock_callbacks(NULL);
+
+	lock_unlock_free_thread_cbs();
+	free(lu_base.locks);
+	data->base = NULL;
+}
+
+static void test_bufferevent_pair_release_lock(void *arg)
+{
+	struct basic_test_data *data = arg;
+	use_lock_unlock_profiler();
+	{
+		struct bufferevent *pair[2];
+		if (!bufferevent_pair_new(NULL, BEV_OPT_THREADSAFE, pair)) {
+			bufferevent_free(pair[0]);
+			bufferevent_free(pair[1]);
+		} else
+			tt_abort_perror("bufferevent_pair_new");
+	}
+	free_lock_unlock_profiler(data);
+end:
+	;
+}
+#endif
+
+/*
+ * test watermarks and bufferevent
+ */
+
+static void
+wm_readcb(struct bufferevent *bev, void *arg)
+{
+	struct evbuffer *evbuf = evbuffer_new();
+	int len = (int)evbuffer_get_length(bev->input);
+	static int nread;
+
+	assert(len >= 10 && len <= 20);
+
+	assert(evbuf != NULL);
+
+	/* gratuitous test of bufferevent_read_buffer */
+	bufferevent_read_buffer(bev, evbuf);
+
+	nread += len;
+	if (nread == 65000) {
+		bufferevent_disable(bev, EV_READ);
+		test_ok++;
+	}
+
+	evbuffer_free(evbuf);
+}
+
+static void
+wm_writecb(struct bufferevent *bev, void *arg)
+{
+	assert(evbuffer_get_length(bev->output) <= 100);
+	if (evbuffer_get_length(bev->output) == 0) {
+		evbuffer_drain(bev->output, evbuffer_get_length(bev->output));
+		test_ok++;
+	}
+}
+
+static void
+wm_errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	test_ok = -2;
+}
+
+static void
+test_bufferevent_watermarks_impl(int use_pair)
+{
+	struct bufferevent *bev1 = NULL, *bev2 = NULL;
+	char buffer[65000];
+	size_t low, high;
+	int i;
+	test_ok = 0;
+
+	if (use_pair) {
+		struct bufferevent *pair[2];
+		tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
+		bev1 = pair[0];
+		bev2 = pair[1];
+		bufferevent_setcb(bev1, NULL, wm_writecb, errorcb, NULL);
+		bufferevent_setcb(bev2, wm_readcb, NULL, errorcb, NULL);
+	} else {
+		bev1 = bufferevent_new(pair[0], NULL, wm_writecb, wm_errorcb, NULL);
+		bev2 = bufferevent_new(pair[1], wm_readcb, NULL, wm_errorcb, NULL);
+	}
+	tt_assert(bev1);
+	tt_assert(bev2);
+	bufferevent_disable(bev1, EV_READ);
+	bufferevent_enable(bev2, EV_READ);
+
+	/* By default, low watermarks are set to 0 */
+	bufferevent_getwatermark(bev1, EV_READ, &low, NULL);
+	tt_int_op(low, ==, 0);
+	bufferevent_getwatermark(bev2, EV_WRITE, &low, NULL);
+	tt_int_op(low, ==, 0);
+
+	for (i = 0; i < (int)sizeof(buffer); i++)
+		buffer[i] = (char)i;
+
+	/* limit the reading on the receiving bufferevent */
+	bufferevent_setwatermark(bev2, EV_READ, 10, 20);
+
+	bufferevent_getwatermark(bev2, EV_READ, &low, &high);
+	tt_int_op(low, ==, 10);
+	tt_int_op(high, ==, 20);
+
+	/* Tell the sending bufferevent not to notify us till it's down to
+	   100 bytes. */
+	bufferevent_setwatermark(bev1, EV_WRITE, 100, 2000);
+
+	bufferevent_getwatermark(bev1, EV_WRITE, &low, &high);
+	tt_int_op(low, ==, 100);
+	tt_int_op(high, ==, 2000);
+
+	{
+	int r = bufferevent_getwatermark(bev1, EV_WRITE | EV_READ, &low, &high);
+	tt_int_op(r, !=, 0);
+	}
+
+	bufferevent_write(bev1, buffer, sizeof(buffer));
+
+	event_dispatch();
+
+	tt_int_op(test_ok, ==, 2);
+
+	/* The write callback drained all the data from outbuf, so we
+	 * should have removed the write event... */
+	tt_assert(!event_pending(&bev2->ev_write, EV_WRITE, NULL));
+
+end:
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
+}
+
+static void
+test_bufferevent_watermarks(void)
+{
+	test_bufferevent_watermarks_impl(0);
+}
+
+static void
+test_bufferevent_pair_watermarks(void)
+{
+	test_bufferevent_watermarks_impl(1);
+}
+
+/*
+ * Test bufferevent filters
+ */
+
+/* strip an 'x' from each byte */
+
+static enum bufferevent_filter_result
+bufferevent_input_filter(struct evbuffer *src, struct evbuffer *dst,
+    ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
+{
+	const unsigned char *buffer;
+	unsigned i;
+
+	buffer = evbuffer_pullup(src, evbuffer_get_length(src));
+	for (i = 0; i < evbuffer_get_length(src); i += 2) {
+		if (buffer[i] == '-')
+			continue;
+
+		assert(buffer[i] == 'x');
+		evbuffer_add(dst, buffer + i + 1, 1);
+	}
+
+	evbuffer_drain(src, i);
+	return (BEV_OK);
+}
+
+/* add an 'x' before each byte */
+
+static enum bufferevent_filter_result
+bufferevent_output_filter(struct evbuffer *src, struct evbuffer *dst,
+    ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
+{
+	const unsigned char *buffer;
+	unsigned i;
+	struct bufferevent **bevp = ctx;
+
+	++test_ok;
+
+	if (test_ok == 1) {
+		buffer = evbuffer_pullup(src, evbuffer_get_length(src));
+		for (i = 0; i < evbuffer_get_length(src); ++i) {
+			evbuffer_add(dst, "x", 1);
+			evbuffer_add(dst, buffer + i, 1);
+		}
+		evbuffer_drain(src, evbuffer_get_length(src));
+	} else {
+		return BEV_ERROR;
+	}
+
+	if (bevp && test_ok == 1) {
+		int prev = ++test_ok;
+		bufferevent_write(*bevp, "-", 1);
+		/* check that during this bufferevent_write()
+		 * bufferevent_output_filter() will not be called again */
+		assert(test_ok == prev);
+		--test_ok;
+	}
+
+	return (BEV_OK);
+}
+
+static void
+test_bufferevent_filters_impl(int use_pair, int disable)
+{
+	struct bufferevent *bev1 = NULL, *bev2 = NULL;
+	struct bufferevent *bev1_base = NULL, *bev2_base = NULL;
+	char buffer[8333];
+	int i;
+
+	test_ok = 0;
+
+	if (use_pair) {
+		struct bufferevent *pair[2];
+		tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
+		bev1 = pair[0];
+		bev2 = pair[1];
+	} else {
+		bev1 = bufferevent_socket_new(NULL, pair[0], 0);
+		bev2 = bufferevent_socket_new(NULL, pair[1], 0);
+	}
+	bev1_base = bev1;
+	bev2_base = bev2;
+
+	for (i = 0; i < (int)sizeof(buffer); i++)
+		buffer[i] = i;
+
+	bev1 = bufferevent_filter_new(bev1, NULL, bufferevent_output_filter,
+				      BEV_OPT_CLOSE_ON_FREE, NULL,
+					  disable ? &bev1 : NULL);
+
+	bev2 = bufferevent_filter_new(bev2, bufferevent_input_filter,
+				      NULL, BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
+	bufferevent_setcb(bev1, NULL, writecb, errorcb, NULL);
+	bufferevent_setcb(bev2, readcb, NULL, errorcb, NULL);
+
+	tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev1_base);
+	tt_ptr_op(bufferevent_get_underlying(bev2), ==, bev2_base);
+	tt_int_op(bufferevent_getfd(bev1), ==, -1);
+	tt_int_op(bufferevent_getfd(bev2), ==, -1);
+
+	bufferevent_disable(bev1, EV_READ);
+	bufferevent_enable(bev2, EV_READ);
+	/* insert some filters */
+	bufferevent_write(bev1, buffer, sizeof(buffer));
+
+	event_dispatch();
+
+	if (test_ok != 3 + !!disable)
+		test_ok = 0;
+
+end:
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
+
+}
+
+static void test_bufferevent_filters(void)
+{ test_bufferevent_filters_impl(0, 0); }
+static void test_bufferevent_pair_filters(void)
+{ test_bufferevent_filters_impl(1, 0); }
+static void test_bufferevent_filters_disable(void)
+{ test_bufferevent_filters_impl(0, 1); }
+static void test_bufferevent_pair_filters_disable(void)
+{ test_bufferevent_filters_impl(1, 1); }
+
+
+static void
+sender_writecb(struct bufferevent *bev, void *ctx)
+{
+	if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
+		bufferevent_disable(bev,EV_READ|EV_WRITE);
+		TT_BLATHER(("Flushed %d: freeing it.", (int)bufferevent_getfd(bev)));
+		bufferevent_free(bev);
+	}
+}
+
+static void
+sender_errorcb(struct bufferevent *bev, short what, void *ctx)
+{
+	TT_FAIL(("Got sender error %d",(int)what));
+}
+
+static int bufferevent_connect_test_flags = 0;
+static int bufferevent_trigger_test_flags = 0;
+static int n_strings_read = 0;
+static int n_reads_invoked = 0;
+static int n_events_invoked = 0;
+
+#define TEST_STR "Now is the time for all good events to signal for " \
+	"the good of their protocol"
+static void
+listen_cb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *sa, int socklen, void *arg)
+{
+	struct event_base *base = arg;
+	struct bufferevent *bev;
+	const char s[] = TEST_STR;
+	TT_BLATHER(("Got a request on socket %d", (int)fd ));
+	bev = bufferevent_socket_new(base, fd, bufferevent_connect_test_flags);
+	tt_assert(bev);
+	bufferevent_setcb(bev, NULL, sender_writecb, sender_errorcb, NULL);
+	bufferevent_write(bev, s, sizeof(s));
+end:
+	;
+}
+
+static int
+fake_listener_create(struct sockaddr_in *localhost)
+{
+	struct sockaddr *sa = (struct sockaddr *)localhost;
+	evutil_socket_t fd = -1;
+	ev_socklen_t slen = sizeof(*localhost);
+
+	memset(localhost, 0, sizeof(*localhost));
+	localhost->sin_port = 0; /* have the kernel pick a port */
+	localhost->sin_addr.s_addr = htonl(0x7f000001L);
+	localhost->sin_family = AF_INET;
+
+	/* bind, but don't listen or accept. should trigger
+	   "Connection refused" reliably on most platforms. */
+	fd = socket(localhost->sin_family, SOCK_STREAM, 0);
+	tt_assert(fd >= 0);
+	tt_assert(bind(fd, sa, slen) == 0);
+	tt_assert(getsockname(fd, sa, &slen) == 0);
+
+	return fd;
+
+end:
+	return -1;
+}
+
+static void
+reader_eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	struct event_base *base = ctx;
+	if (what & BEV_EVENT_ERROR) {
+		perror("foobar");
+		TT_FAIL(("got connector error %d", (int)what));
+		return;
+	}
+	if (what & BEV_EVENT_CONNECTED) {
+		TT_BLATHER(("connected on %d", (int)bufferevent_getfd(bev)));
+		bufferevent_enable(bev, EV_READ);
+	}
+	if (what & BEV_EVENT_EOF) {
+		char buf[512];
+		size_t n;
+		n = bufferevent_read(bev, buf, sizeof(buf)-1);
+		tt_int_op(n, >=, 0);
+		buf[n] = '\0';
+		tt_str_op(buf, ==, TEST_STR);
+		if (++n_strings_read == 2)
+			event_base_loopexit(base, NULL);
+		TT_BLATHER(("EOF on %d: %d strings read.",
+			(int)bufferevent_getfd(bev), n_strings_read));
+	}
+end:
+	;
+}
+
+static void
+reader_eventcb_simple(struct bufferevent *bev, short what, void *ctx)
+{
+	TT_BLATHER(("Read eventcb simple invoked on %d.",
+		(int)bufferevent_getfd(bev)));
+	n_events_invoked++;
+}
+
+static void
+reader_readcb(struct bufferevent *bev, void *ctx)
+{
+	TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
+	n_reads_invoked++;
+}
+
+static void
+test_bufferevent_connect(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct evconnlistener *lev=NULL;
+	struct bufferevent *bev1=NULL, *bev2=NULL;
+	struct sockaddr_in localhost;
+	struct sockaddr_storage ss;
+	struct sockaddr *sa;
+	ev_socklen_t slen;
+
+	int be_flags=BEV_OPT_CLOSE_ON_FREE;
+
+	if (strstr((char*)data->setup_data, "defer")) {
+		be_flags |= BEV_OPT_DEFER_CALLBACKS;
+	}
+	if (strstr((char*)data->setup_data, "unlocked")) {
+		be_flags |= BEV_OPT_UNLOCK_CALLBACKS;
+	}
+	if (strstr((char*)data->setup_data, "lock")) {
+		be_flags |= BEV_OPT_THREADSAFE;
+	}
+	bufferevent_connect_test_flags = be_flags;
+#ifdef _WIN32
+	if (!strcmp((char*)data->setup_data, "unset_connectex")) {
+		struct win32_extension_fns *ext =
+		    (struct win32_extension_fns *)
+		    event_get_win32_extension_fns_();
+		ext->ConnectEx = NULL;
+	}
+#endif
+
+	memset(&localhost, 0, sizeof(localhost));
+
+	localhost.sin_port = 0; /* pick-a-port */
+	localhost.sin_addr.s_addr = htonl(0x7f000001L);
+	localhost.sin_family = AF_INET;
+	sa = (struct sockaddr *)&localhost;
+	lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    16, sa, sizeof(localhost));
+	tt_assert(lev);
+
+	sa = (struct sockaddr *)&ss;
+	slen = sizeof(ss);
+	if (regress_get_listener_addr(lev, sa, &slen) < 0) {
+		tt_abort_perror("getsockname");
+	}
+
+	tt_assert(!evconnlistener_enable(lev));
+	bev1 = bufferevent_socket_new(data->base, -1, be_flags);
+	bev2 = bufferevent_socket_new(data->base, -1, be_flags);
+	tt_assert(bev1);
+	tt_assert(bev2);
+	bufferevent_setcb(bev1, reader_readcb,NULL, reader_eventcb, data->base);
+	bufferevent_setcb(bev2, reader_readcb,NULL, reader_eventcb, data->base);
+
+	bufferevent_enable(bev1, EV_READ);
+	bufferevent_enable(bev2, EV_READ);
+
+	tt_want(!bufferevent_socket_connect(bev1, sa, sizeof(localhost)));
+	tt_want(!bufferevent_socket_connect(bev2, sa, sizeof(localhost)));
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(n_strings_read, ==, 2);
+	tt_int_op(n_reads_invoked, >=, 2);
+end:
+	if (lev)
+		evconnlistener_free(lev);
+
+	if (bev1)
+		bufferevent_free(bev1);
+
+	if (bev2)
+		bufferevent_free(bev2);
+}
+
+static void
+test_bufferevent_connect_fail_eventcb(void *arg)
+{
+	struct basic_test_data *data = arg;
+	int flags = BEV_OPT_CLOSE_ON_FREE | (long)data->setup_data;
+	struct bufferevent *bev = NULL;
+	struct evconnlistener *lev = NULL;
+	struct sockaddr_in localhost;
+	ev_socklen_t slen = sizeof(localhost);
+	evutil_socket_t fake_listener = -1;
+
+	fake_listener = fake_listener_create(&localhost);
+
+	tt_int_op(n_events_invoked, ==, 0);
+
+	bev = bufferevent_socket_new(data->base, -1, flags);
+	tt_assert(bev);
+	bufferevent_setcb(bev, reader_readcb, reader_readcb,
+		reader_eventcb_simple, data->base);
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+	tt_int_op(n_events_invoked, ==, 0);
+	tt_int_op(n_reads_invoked, ==, 0);
+	/** @see also test_bufferevent_connect_fail() */
+	bufferevent_socket_connect(bev, (struct sockaddr *)&localhost, slen);
+	tt_int_op(n_events_invoked, ==, 0);
+	tt_int_op(n_reads_invoked, ==, 0);
+	event_base_dispatch(data->base);
+	tt_int_op(n_events_invoked, ==, 1);
+	tt_int_op(n_reads_invoked, ==, 0);
+
+end:
+	if (lev)
+		evconnlistener_free(lev);
+	if (bev)
+		bufferevent_free(bev);
+	if (fake_listener >= 0)
+		evutil_closesocket(fake_listener);
+}
+
+static void
+want_fail_eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	struct event_base *base = ctx;
+	const char *err;
+	evutil_socket_t s;
+
+	if (what & BEV_EVENT_ERROR) {
+		s = bufferevent_getfd(bev);
+		err = evutil_socket_error_to_string(evutil_socket_geterror(s));
+		TT_BLATHER(("connection failure on "EV_SOCK_FMT": %s",
+			EV_SOCK_ARG(s), err));
+		test_ok = 1;
+	} else {
+		TT_FAIL(("didn't fail? what %hd", what));
+	}
+
+	event_base_loopexit(base, NULL);
+}
+
+static void
+close_socket_cb(evutil_socket_t fd, short what, void *arg)
+{
+	evutil_socket_t *fdp = arg;
+	if (*fdp >= 0) {
+		evutil_closesocket(*fdp);
+		*fdp = -1;
+	}
+}
+
+static void
+test_bufferevent_connect_fail(void *arg)
+{
+	struct basic_test_data *data = (struct basic_test_data *)arg;
+	struct bufferevent *bev=NULL;
+	struct event close_listener_event;
+	int close_listener_event_added = 0;
+	struct timeval one_second = { 1, 0 };
+	struct sockaddr_in localhost;
+	ev_socklen_t slen = sizeof(localhost);
+	evutil_socket_t fake_listener = -1;
+	int r;
+
+	test_ok = 0;
+
+	fake_listener = fake_listener_create(&localhost);
+	bev = bufferevent_socket_new(data->base, -1,
+		BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
+	tt_assert(bev);
+	bufferevent_setcb(bev, NULL, NULL, want_fail_eventcb, data->base);
+
+	r = bufferevent_socket_connect(bev, (struct sockaddr *)&localhost, slen);
+	/* XXXX we'd like to test the '0' case everywhere, but FreeBSD tells
+	 * detects the error immediately, which is not really wrong of it. */
+	tt_want(r == 0 || r == -1);
+
+	/* Close the listener socket after a second. This should trigger
+	   "connection refused" on some other platforms, including OSX. */
+	evtimer_assign(&close_listener_event, data->base, close_socket_cb,
+	    &fake_listener);
+	event_add(&close_listener_event, &one_second);
+	close_listener_event_added = 1;
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 1);
+
+end:
+	if (fake_listener >= 0)
+		evutil_closesocket(fake_listener);
+
+	if (bev)
+		bufferevent_free(bev);
+
+	if (close_listener_event_added)
+		event_del(&close_listener_event);
+}
+
+struct timeout_cb_result {
+	struct timeval read_timeout_at;
+	struct timeval write_timeout_at;
+	struct timeval last_wrote_at;
+	int n_read_timeouts;
+	int n_write_timeouts;
+	int total_calls;
+};
+
+static void
+bev_timeout_write_cb(struct bufferevent *bev, void *arg)
+{
+	struct timeout_cb_result *res = arg;
+	evutil_gettimeofday(&res->last_wrote_at, NULL);
+}
+
+static void
+bev_timeout_event_cb(struct bufferevent *bev, short what, void *arg)
+{
+	struct timeout_cb_result *res = arg;
+	++res->total_calls;
+
+	if ((what & (BEV_EVENT_READING|BEV_EVENT_TIMEOUT))
+	    == (BEV_EVENT_READING|BEV_EVENT_TIMEOUT)) {
+		evutil_gettimeofday(&res->read_timeout_at, NULL);
+		++res->n_read_timeouts;
+	}
+	if ((what & (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT))
+	    == (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT)) {
+		evutil_gettimeofday(&res->write_timeout_at, NULL);
+		++res->n_write_timeouts;
+	}
+}
+
+static void
+test_bufferevent_timeouts(void *arg)
+{
+	/* "arg" is a string containing "pair" and/or "filter". */
+	struct bufferevent *bev1 = NULL, *bev2 = NULL;
+	struct basic_test_data *data = arg;
+	int use_pair = 0, use_filter = 0;
+	struct timeval tv_w, tv_r, started_at;
+	struct timeout_cb_result res1, res2;
+	char buf[1024];
+
+	memset(&res1, 0, sizeof(res1));
+	memset(&res2, 0, sizeof(res2));
+
+	if (strstr((char*)data->setup_data, "pair"))
+		use_pair = 1;
+	if (strstr((char*)data->setup_data, "filter"))
+		use_filter = 1;
+
+	if (use_pair) {
+		struct bufferevent *p[2];
+		tt_int_op(0, ==, bufferevent_pair_new(data->base, 0, p));
+		bev1 = p[0];
+		bev2 = p[1];
+	} else {
+		bev1 = bufferevent_socket_new(data->base, data->pair[0], 0);
+		bev2 = bufferevent_socket_new(data->base, data->pair[1], 0);
+	}
+
+	tt_assert(bev1);
+	tt_assert(bev2);
+
+	if (use_filter) {
+		struct bufferevent *bevf1, *bevf2;
+		bevf1 = bufferevent_filter_new(bev1, NULL, NULL,
+		    BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
+		bevf2 = bufferevent_filter_new(bev2, NULL, NULL,
+		    BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
+		tt_assert(bevf1);
+		tt_assert(bevf2);
+		bev1 = bevf1;
+		bev2 = bevf2;
+	}
+
+	/* Do this nice and early. */
+	bufferevent_disable(bev2, EV_READ);
+
+	/* bev1 will try to write and read.  Both will time out. */
+	evutil_gettimeofday(&started_at, NULL);
+	tv_w.tv_sec = tv_r.tv_sec = 0;
+	tv_w.tv_usec = 100*1000;
+	tv_r.tv_usec = 150*1000;
+	bufferevent_setcb(bev1, NULL, bev_timeout_write_cb,
+	    bev_timeout_event_cb, &res1);
+	bufferevent_setwatermark(bev1, EV_WRITE, 1024*1024+10, 0);
+	bufferevent_set_timeouts(bev1, &tv_r, &tv_w);
+	if (use_pair) {
+		/* For a pair, the fact that the other side isn't reading
+		 * makes the writer stall */
+		bufferevent_write(bev1, "ABCDEFG", 7);
+	} else {
+		/* For a real socket, the kernel's TCP buffers can eat a
+		 * fair number of bytes; make sure that at some point we
+		 * have some bytes that will stall. */
+		struct evbuffer *output = bufferevent_get_output(bev1);
+		int i;
+		memset(buf, 0xbb, sizeof(buf));
+		for (i=0;i<1024;++i) {
+			evbuffer_add_reference(output, buf, sizeof(buf),
+			    NULL, NULL);
+		}
+	}
+	bufferevent_enable(bev1, EV_READ|EV_WRITE);
+
+	/* bev2 has nothing to say, and isn't listening. */
+	bufferevent_setcb(bev2, NULL,  bev_timeout_write_cb,
+	    bev_timeout_event_cb, &res2);
+	tv_w.tv_sec = tv_r.tv_sec = 0;
+	tv_w.tv_usec = 200*1000;
+	tv_r.tv_usec = 100*1000;
+	bufferevent_set_timeouts(bev2, &tv_r, &tv_w);
+	bufferevent_enable(bev2, EV_WRITE);
+
+	tv_r.tv_sec = 0;
+	tv_r.tv_usec = 350000;
+
+	event_base_loopexit(data->base, &tv_r);
+	event_base_dispatch(data->base);
+
+	/* XXXX Test that actually reading or writing a little resets the
+	 * timeouts. */
+
+	/* Each buf1 timeout happens, and happens only once. */
+	tt_want(res1.n_read_timeouts);
+	tt_want(res1.n_write_timeouts);
+	tt_want(res1.n_read_timeouts == 1);
+	tt_want(res1.n_write_timeouts == 1);
+
+	test_timeval_diff_eq(&started_at, &res1.read_timeout_at, 150);
+	test_timeval_diff_eq(&started_at, &res1.write_timeout_at, 100);
+
+end:
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
+}
+
+static void
+trigger_failure_cb(evutil_socket_t fd, short what, void *ctx)
+{
+	TT_FAIL(("The triggered callback did not fire or the machine is really slow (try increasing timeout)."));
+}
+
+static void
+trigger_eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	struct event_base *base = ctx;
+	if (what == ~0) {
+		TT_BLATHER(("Event successfully triggered."));
+		event_base_loopexit(base, NULL);
+		return;
+	}
+	reader_eventcb(bev, what, ctx);
+}
+
+static void
+trigger_readcb_triggered(struct bufferevent *bev, void *ctx)
+{
+	TT_BLATHER(("Read successfully triggered."));
+	n_reads_invoked++;
+	bufferevent_trigger_event(bev, ~0, bufferevent_trigger_test_flags);
+}
+
+static void
+trigger_readcb(struct bufferevent *bev, void *ctx)
+{
+	struct timeval timeout = { 30, 0 };
+	struct event_base *base = ctx;
+	size_t low, high, len;
+	int expected_reads;
+
+	TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
+	expected_reads = ++n_reads_invoked;
+
+	bufferevent_setcb(bev, trigger_readcb_triggered, NULL, trigger_eventcb, ctx);
+
+	bufferevent_getwatermark(bev, EV_READ, &low, &high);
+	len = evbuffer_get_length(bufferevent_get_input(bev));
+
+	bufferevent_setwatermark(bev, EV_READ, len + 1, 0);
+	bufferevent_trigger(bev, EV_READ, bufferevent_trigger_test_flags);
+	/* no callback expected */
+	tt_int_op(n_reads_invoked, ==, expected_reads);
+
+	if ((bufferevent_trigger_test_flags & BEV_TRIG_DEFER_CALLBACKS) ||
+	    (bufferevent_connect_test_flags & BEV_OPT_DEFER_CALLBACKS)) {
+		/* will be deferred */
+	} else {
+		expected_reads++;
+	}
+
+	event_base_once(base, -1, EV_TIMEOUT, trigger_failure_cb, NULL, &timeout);
+
+	bufferevent_trigger(bev, EV_READ,
+	    bufferevent_trigger_test_flags | BEV_TRIG_IGNORE_WATERMARKS);
+	tt_int_op(n_reads_invoked, ==, expected_reads);
+
+	bufferevent_setwatermark(bev, EV_READ, low, high);
+end:
+	;
+}
+
+static void
+test_bufferevent_trigger(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct evconnlistener *lev=NULL;
+	struct bufferevent *bev=NULL;
+	struct sockaddr_in localhost;
+	struct sockaddr_storage ss;
+	struct sockaddr *sa;
+	ev_socklen_t slen;
+
+	int be_flags=BEV_OPT_CLOSE_ON_FREE;
+	int trig_flags=0;
+
+	if (strstr((char*)data->setup_data, "defer")) {
+		be_flags |= BEV_OPT_DEFER_CALLBACKS;
+	}
+	bufferevent_connect_test_flags = be_flags;
+
+	if (strstr((char*)data->setup_data, "postpone")) {
+		trig_flags |= BEV_TRIG_DEFER_CALLBACKS;
+	}
+	bufferevent_trigger_test_flags = trig_flags;
+
+	memset(&localhost, 0, sizeof(localhost));
+
+	localhost.sin_port = 0; /* pick-a-port */
+	localhost.sin_addr.s_addr = htonl(0x7f000001L);
+	localhost.sin_family = AF_INET;
+	sa = (struct sockaddr *)&localhost;
+	lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    16, sa, sizeof(localhost));
+	tt_assert(lev);
+
+	sa = (struct sockaddr *)&ss;
+	slen = sizeof(ss);
+	if (regress_get_listener_addr(lev, sa, &slen) < 0) {
+		tt_abort_perror("getsockname");
+	}
+
+	tt_assert(!evconnlistener_enable(lev));
+	bev = bufferevent_socket_new(data->base, -1, be_flags);
+	tt_assert(bev);
+	bufferevent_setcb(bev, trigger_readcb, NULL, trigger_eventcb, data->base);
+
+	bufferevent_enable(bev, EV_READ);
+
+	tt_want(!bufferevent_socket_connect(bev, sa, sizeof(localhost)));
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(n_reads_invoked, ==, 2);
+end:
+	if (lev)
+		evconnlistener_free(lev);
+
+	if (bev)
+		bufferevent_free(bev);
+}
+
+static void
+test_bufferevent_socket_filter_inactive(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev = NULL, *bevf = NULL;
+
+	bev = bufferevent_socket_new(data->base, -1, 0);
+	tt_assert(bev);
+	bevf = bufferevent_filter_new(bev, NULL, NULL, 0, NULL, NULL);
+	tt_assert(bevf);
+
+end:
+	if (bevf)
+		bufferevent_free(bevf);
+	if (bev)
+		bufferevent_free(bev);
+}
+
+static void
+pair_flush_eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	int *callback_what = ctx;
+	*callback_what = what;
+}
+
+static void
+test_bufferevent_pair_flush(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *pair[2];
+	struct bufferevent *bev1 = NULL;
+	struct bufferevent *bev2 = NULL;
+	int callback_what = 0;
+
+	tt_assert(0 == bufferevent_pair_new(data->base, 0, pair));
+	bev1 = pair[0];
+	bev2 = pair[1];
+	tt_assert(0 == bufferevent_enable(bev1, EV_WRITE));
+	tt_assert(0 == bufferevent_enable(bev2, EV_READ));
+
+	bufferevent_setcb(bev2, NULL, NULL, pair_flush_eventcb, &callback_what);
+
+	bufferevent_flush(bev1, EV_WRITE, BEV_FINISHED);
+
+	event_base_loop(data->base, EVLOOP_ONCE);
+
+	tt_assert(callback_what == (BEV_EVENT_READING | BEV_EVENT_EOF));
+
+end:
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
+}
+
+struct bufferevent_filter_data_stuck {
+	size_t header_size;
+	size_t total_read;
+};
+
+static void
+bufferevent_filter_data_stuck_readcb(struct bufferevent *bev, void *arg)
+{
+	struct bufferevent_filter_data_stuck *filter_data = arg;
+	struct evbuffer *input = bufferevent_get_input(bev);
+	size_t read_size = evbuffer_get_length(input);
+	evbuffer_drain(input, read_size);
+	filter_data->total_read += read_size;
+}
+
+/**
+ * This filter prepends header once before forwarding data.
+ */
+static enum bufferevent_filter_result
+bufferevent_filter_data_stuck_inputcb(
+    struct evbuffer *src, struct evbuffer *dst, ev_ssize_t dst_limit,
+    enum bufferevent_flush_mode mode, void *ctx)
+{
+	struct bufferevent_filter_data_stuck *filter_data = ctx;
+	static int header_inserted = 0;
+	size_t payload_size;
+	size_t header_size = 0;
+
+	if (!header_inserted) {
+		char *header = calloc(filter_data->header_size, 1);
+		evbuffer_add(dst, header, filter_data->header_size);
+		free(header);
+		header_size = filter_data->header_size;
+		header_inserted = 1;
+	}
+
+	payload_size = evbuffer_get_length(src);
+	if (payload_size > dst_limit - header_size) {
+		payload_size = dst_limit - header_size;
+	}
+
+	tt_int_op(payload_size, ==, evbuffer_remove_buffer(src, dst, payload_size));
+
+end:
+	return BEV_OK;
+}
+
+static void
+test_bufferevent_filter_data_stuck(void *arg)
+{
+	const size_t read_high_wm = 4096;
+	struct bufferevent_filter_data_stuck filter_data;
+	struct basic_test_data *data = arg;
+	struct bufferevent *pair[2];
+	struct bufferevent *filter = NULL;
+
+	int options = BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS;
+
+	char payload[4096];
+	int payload_size = sizeof(payload);
+
+	memset(&filter_data, 0, sizeof(filter_data));
+	filter_data.header_size = 20;
+
+	tt_assert(bufferevent_pair_new(data->base, options, pair) == 0);
+
+	bufferevent_setwatermark(pair[0], EV_READ, 0, read_high_wm);
+	bufferevent_setwatermark(pair[1], EV_READ, 0, read_high_wm);
+
+	tt_assert(
+		filter =
+		 bufferevent_filter_new(pair[1],
+		 bufferevent_filter_data_stuck_inputcb,
+		 NULL,
+		 options,
+		 NULL,
+		 &filter_data));
+
+	bufferevent_setcb(filter,
+		bufferevent_filter_data_stuck_readcb,
+		NULL,
+		NULL,
+		&filter_data);
+
+	tt_assert(bufferevent_enable(filter, EV_READ|EV_WRITE) == 0);
+
+	bufferevent_setwatermark(filter, EV_READ, 0, read_high_wm);
+
+	tt_assert(bufferevent_write(pair[0], payload, sizeof(payload)) == 0);
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(filter_data.total_read, ==, payload_size + filter_data.header_size);
+end:
+	if (pair[0])
+		bufferevent_free(pair[0]);
+	if (filter)
+		bufferevent_free(filter);
+}
+
+struct testcase_t bufferevent_testcases[] = {
+
+	LEGACY(bufferevent, TT_ISOLATED),
+	LEGACY(bufferevent_pair, TT_ISOLATED),
+	LEGACY(bufferevent_flush_normal, TT_ISOLATED),
+	LEGACY(bufferevent_flush_flush, TT_ISOLATED),
+	LEGACY(bufferevent_flush_finished, TT_ISOLATED),
+	LEGACY(bufferevent_pair_flush_normal, TT_ISOLATED),
+	LEGACY(bufferevent_pair_flush_flush, TT_ISOLATED),
+	LEGACY(bufferevent_pair_flush_finished, TT_ISOLATED),
+#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
+	{ "bufferevent_pair_release_lock", test_bufferevent_pair_release_lock,
+	  TT_FORK|TT_ISOLATED|TT_NEED_THREADS|TT_NEED_BASE|TT_LEGACY,
+	  &basic_setup, NULL },
+#endif
+	LEGACY(bufferevent_watermarks, TT_ISOLATED),
+	LEGACY(bufferevent_pair_watermarks, TT_ISOLATED),
+	LEGACY(bufferevent_filters, TT_ISOLATED),
+	LEGACY(bufferevent_pair_filters, TT_ISOLATED),
+	LEGACY(bufferevent_filters_disable, TT_ISOLATED),
+	LEGACY(bufferevent_pair_filters_disable, TT_ISOLATED),
+	{ "bufferevent_connect", test_bufferevent_connect, TT_FORK|TT_NEED_BASE,
+	  &basic_setup, (void*)"" },
+	{ "bufferevent_connect_defer", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"defer" },
+	{ "bufferevent_connect_lock", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup, (void*)"lock" },
+	{ "bufferevent_connect_lock_defer", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
+	  (void*)"defer lock" },
+	{ "bufferevent_connect_unlocked_cbs", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
+	  (void*)"lock defer unlocked" },
+	{ "bufferevent_connect_fail", test_bufferevent_connect_fail,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "bufferevent_timeout", test_bufferevent_timeouts,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, (void*)"" },
+	{ "bufferevent_timeout_pair", test_bufferevent_timeouts,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"pair" },
+	{ "bufferevent_timeout_filter", test_bufferevent_timeouts,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter" },
+	{ "bufferevent_timeout_filter_pair", test_bufferevent_timeouts,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter pair" },
+	{ "bufferevent_trigger", test_bufferevent_trigger, TT_FORK|TT_NEED_BASE,
+	  &basic_setup, (void*)"" },
+	{ "bufferevent_trigger_defer", test_bufferevent_trigger,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"defer" },
+	{ "bufferevent_trigger_postpone", test_bufferevent_trigger,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
+	  (void*)"postpone" },
+	{ "bufferevent_trigger_defer_postpone", test_bufferevent_trigger,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
+	  (void*)"defer postpone" },
+#ifdef EVENT__HAVE_LIBZ
+	LEGACY(bufferevent_zlib, TT_ISOLATED),
+#else
+	{ "bufferevent_zlib", NULL, TT_SKIP, NULL, NULL },
+#endif
+
+	{ "bufferevent_connect_fail_eventcb_defer",
+	  test_bufferevent_connect_fail_eventcb,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (void*)BEV_OPT_DEFER_CALLBACKS },
+	{ "bufferevent_connect_fail_eventcb",
+	  test_bufferevent_connect_fail_eventcb,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+
+	{ "bufferevent_socket_filter_inactive",
+	  test_bufferevent_socket_filter_inactive,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "bufferevent_pair_flush",
+	  test_bufferevent_pair_flush,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "bufferevent_filter_data_stuck",
+	  test_bufferevent_filter_data_stuck,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+
+	END_OF_TESTCASES,
+};
+
+struct testcase_t bufferevent_iocp_testcases[] = {
+
+	LEGACY(bufferevent, TT_ISOLATED|TT_ENABLE_IOCP),
+	LEGACY(bufferevent_flush_normal, TT_ISOLATED),
+	LEGACY(bufferevent_flush_flush, TT_ISOLATED),
+	LEGACY(bufferevent_flush_finished, TT_ISOLATED),
+	LEGACY(bufferevent_watermarks, TT_ISOLATED|TT_ENABLE_IOCP),
+	LEGACY(bufferevent_filters, TT_ISOLATED|TT_ENABLE_IOCP),
+	LEGACY(bufferevent_filters_disable, TT_ISOLATED|TT_ENABLE_IOCP),
+	{ "bufferevent_connect", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"" },
+	{ "bufferevent_connect_defer", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"defer" },
+	{ "bufferevent_connect_lock", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
+	  (void*)"lock" },
+	{ "bufferevent_connect_lock_defer", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
+	  (void*)"defer lock" },
+	{ "bufferevent_connect_fail", test_bufferevent_connect_fail,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, NULL },
+	{ "bufferevent_connect_nonblocking", test_bufferevent_connect,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup,
+	  (void*)"unset_connectex" },
+
+	{ "bufferevent_connect_fail_eventcb_defer",
+	  test_bufferevent_connect_fail_eventcb,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup,
+	  (void*)BEV_OPT_DEFER_CALLBACKS },
+	{ "bufferevent_connect_fail_eventcb",
+	  test_bufferevent_connect_fail_eventcb,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, NULL },
+
+	END_OF_TESTCASES,
+};
diff --git a/test/regress_dns.c b/test/regress_dns.c
new file mode 100644
index 0000000..8950440
--- /dev/null
+++ b/test/regress_dns.c
@@ -0,0 +1,2172 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#include <ws2tcpip.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <signal.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/dns.h"
+#include "event2/dns_compat.h"
+#include "event2/dns_struct.h"
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/event_struct.h"
+#include "event2/util.h"
+#include "event2/listener.h"
+#include "event2/bufferevent.h"
+#include "log-internal.h"
+#include "regress.h"
+#include "regress_testutils.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+static int dns_ok = 0;
+static int dns_got_cancel = 0;
+static int dns_err = 0;
+
+
+static void
+dns_gethostbyname_cb(int result, char type, int count, int ttl,
+    void *addresses, void *arg)
+{
+	dns_ok = dns_err = 0;
+
+	if (result == DNS_ERR_TIMEOUT) {
+		printf("[Timed out] ");
+		dns_err = result;
+		goto out;
+	}
+
+	if (result != DNS_ERR_NONE) {
+		printf("[Error code %d] ", result);
+		goto out;
+	}
+
+	TT_BLATHER(("type: %d, count: %d, ttl: %d: ", type, count, ttl));
+
+	switch (type) {
+	case DNS_IPv6_AAAA: {
+#if defined(EVENT__HAVE_STRUCT_IN6_ADDR) && defined(EVENT__HAVE_INET_NTOP) && defined(INET6_ADDRSTRLEN)
+		struct in6_addr *in6_addrs = addresses;
+		char buf[INET6_ADDRSTRLEN+1];
+		int i;
+		/* a resolution that's not valid does not help */
+		if (ttl < 0)
+			goto out;
+		for (i = 0; i < count; ++i) {
+			const char *b = evutil_inet_ntop(AF_INET6, &in6_addrs[i], buf,sizeof(buf));
+			if (b)
+				TT_BLATHER(("%s ", b));
+			else
+				TT_BLATHER(("%s ", strerror(errno)));
+		}
+#endif
+		break;
+	}
+	case DNS_IPv4_A: {
+		struct in_addr *in_addrs = addresses;
+		int i;
+		/* a resolution that's not valid does not help */
+		if (ttl < 0)
+			goto out;
+		for (i = 0; i < count; ++i)
+			TT_BLATHER(("%s ", inet_ntoa(in_addrs[i])));
+		break;
+	}
+	case DNS_PTR:
+		/* may get at most one PTR */
+		if (count != 1)
+			goto out;
+
+		TT_BLATHER(("%s ", *(char **)addresses));
+		break;
+	default:
+		goto out;
+	}
+
+	dns_ok = type;
+
+out:
+	if (arg == NULL)
+		event_loopexit(NULL);
+	else
+		event_base_loopexit((struct event_base *)arg, NULL);
+}
+
+static void
+dns_gethostbyname(void)
+{
+	dns_ok = 0;
+	evdns_resolve_ipv4("www.monkey.org", 0, dns_gethostbyname_cb, NULL);
+	event_dispatch();
+
+	tt_int_op(dns_ok, ==, DNS_IPv4_A);
+	test_ok = dns_ok;
+end:
+	;
+}
+
+static void
+dns_gethostbyname6(void)
+{
+	dns_ok = 0;
+	evdns_resolve_ipv6("www.ietf.org", 0, dns_gethostbyname_cb, NULL);
+	event_dispatch();
+
+	if (!dns_ok && dns_err == DNS_ERR_TIMEOUT) {
+		tt_skip();
+	}
+
+	tt_int_op(dns_ok, ==, DNS_IPv6_AAAA);
+	test_ok = 1;
+end:
+	;
+}
+
+static void
+dns_gethostbyaddr(void)
+{
+	struct in_addr in;
+	in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */
+	dns_ok = 0;
+	evdns_resolve_reverse(&in, 0, dns_gethostbyname_cb, NULL);
+	event_dispatch();
+
+	tt_int_op(dns_ok, ==, DNS_PTR);
+	test_ok = dns_ok;
+end:
+	;
+}
+
+static void
+dns_resolve_reverse(void *ptr)
+{
+	struct in_addr in;
+	struct event_base *base = event_base_new();
+	struct evdns_base *dns = evdns_base_new(base, 1/* init name servers */);
+	struct evdns_request *req = NULL;
+
+	tt_assert(base);
+	tt_assert(dns);
+	in.s_addr = htonl(0x7f000001ul); /* 127.0.0.1 */
+	dns_ok = 0;
+
+	req = evdns_base_resolve_reverse(
+		dns, &in, 0, dns_gethostbyname_cb, base);
+	tt_assert(req);
+
+	event_base_dispatch(base);
+
+	tt_int_op(dns_ok, ==, DNS_PTR);
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+	if (base)
+		event_base_free(base);
+}
+
+static int n_server_responses = 0;
+
+static void
+dns_server_request_cb(struct evdns_server_request *req, void *data)
+{
+	int i, r;
+	const char TEST_ARPA[] = "11.11.168.192.in-addr.arpa";
+	const char TEST_IN6[] =
+	    "f.e.f.e." "0.0.0.0." "0.0.0.0." "1.1.1.1."
+	    "a.a.a.a." "0.0.0.0." "0.0.0.0." "0.f.f.f.ip6.arpa";
+
+	for (i = 0; i < req->nquestions; ++i) {
+		const int qtype = req->questions[i]->type;
+		const int qclass = req->questions[i]->dns_question_class;
+		const char *qname = req->questions[i]->name;
+
+		struct in_addr ans;
+		ans.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */
+		if (qtype == EVDNS_TYPE_A &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, "zz.example.com")) {
+			r = evdns_server_request_add_a_reply(req, qname,
+			    1, &ans.s_addr, 12345);
+			if (r<0)
+				dns_ok = 0;
+		} else if (qtype == EVDNS_TYPE_AAAA &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, "zz.example.com")) {
+			char addr6[17] = "abcdefghijklmnop";
+			r = evdns_server_request_add_aaaa_reply(req,
+			    qname, 1, addr6, 123);
+			if (r<0)
+				dns_ok = 0;
+		} else if (qtype == EVDNS_TYPE_PTR &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, TEST_ARPA)) {
+			r = evdns_server_request_add_ptr_reply(req, NULL,
+			    qname, "ZZ.EXAMPLE.COM", 54321);
+			if (r<0)
+				dns_ok = 0;
+		} else if (qtype == EVDNS_TYPE_PTR &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, TEST_IN6)){
+			r = evdns_server_request_add_ptr_reply(req, NULL,
+			    qname,
+			    "ZZ-INET6.EXAMPLE.COM", 54322);
+			if (r<0)
+				dns_ok = 0;
+		} else if (qtype == EVDNS_TYPE_A &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, "drop.example.com")) {
+			if (evdns_server_request_drop(req)<0)
+				dns_ok = 0;
+			return;
+		} else {
+			printf("Unexpected question %d %d \"%s\" ",
+			    qtype, qclass, qname);
+			dns_ok = 0;
+		}
+	}
+	r = evdns_server_request_respond(req, 0);
+	if (r<0) {
+		printf("Couldn't send reply. ");
+		dns_ok = 0;
+	}
+}
+
+static void
+dns_server_gethostbyname_cb(int result, char type, int count, int ttl,
+    void *addresses, void *arg)
+{
+	if (result == DNS_ERR_CANCEL) {
+		if (arg != (void*)(char*)90909) {
+			printf("Unexpected cancelation");
+			dns_ok = 0;
+		}
+		dns_got_cancel = 1;
+		goto out;
+	}
+	if (result != DNS_ERR_NONE) {
+		printf("Unexpected result %d. ", result);
+		dns_ok = 0;
+		goto out;
+	}
+	if (count != 1) {
+		printf("Unexpected answer count %d. ", count);
+		dns_ok = 0;
+		goto out;
+	}
+	switch (type) {
+	case DNS_IPv4_A: {
+		struct in_addr *in_addrs = addresses;
+		if (in_addrs[0].s_addr != htonl(0xc0a80b0bUL) || ttl != 12345) {
+			printf("Bad IPv4 response \"%s\" %d. ",
+					inet_ntoa(in_addrs[0]), ttl);
+			dns_ok = 0;
+			goto out;
+		}
+		break;
+	}
+	case DNS_IPv6_AAAA: {
+#if defined (EVENT__HAVE_STRUCT_IN6_ADDR) && defined(EVENT__HAVE_INET_NTOP) && defined(INET6_ADDRSTRLEN)
+		struct in6_addr *in6_addrs = addresses;
+		char buf[INET6_ADDRSTRLEN+1];
+		if (memcmp(&in6_addrs[0].s6_addr, "abcdefghijklmnop", 16)
+		    || ttl != 123) {
+			const char *b = evutil_inet_ntop(AF_INET6, &in6_addrs[0],buf,sizeof(buf));
+			printf("Bad IPv6 response \"%s\" %d. ", b, ttl);
+			dns_ok = 0;
+			goto out;
+		}
+#endif
+		break;
+	}
+	case DNS_PTR: {
+		char **addrs = addresses;
+		if (arg != (void*)6) {
+			if (strcmp(addrs[0], "ZZ.EXAMPLE.COM") ||
+			    ttl != 54321) {
+				printf("Bad PTR response \"%s\" %d. ",
+				    addrs[0], ttl);
+				dns_ok = 0;
+				goto out;
+			}
+		} else {
+			if (strcmp(addrs[0], "ZZ-INET6.EXAMPLE.COM") ||
+			    ttl != 54322) {
+				printf("Bad ipv6 PTR response \"%s\" %d. ",
+				    addrs[0], ttl);
+				dns_ok = 0;
+				goto out;
+			}
+		}
+		break;
+	}
+	default:
+		printf("Bad response type %d. ", type);
+		dns_ok = 0;
+	}
+ out:
+	if (++n_server_responses == 3) {
+		event_loopexit(NULL);
+	}
+}
+
+static void
+dns_server(void)
+{
+	evutil_socket_t sock=-1;
+	struct sockaddr_in my_addr;
+	struct sockaddr_storage ss;
+	ev_socklen_t slen;
+	struct evdns_server_port *port=NULL;
+	struct in_addr resolve_addr;
+	struct in6_addr resolve_addr6;
+	struct evdns_base *base=NULL;
+	struct evdns_request *req=NULL;
+
+	dns_ok = 1;
+
+	base = evdns_base_new(NULL, 0);
+
+	/* Now configure a nameserver port. */
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock<0) {
+		tt_abort_perror("socket");
+	}
+
+	evutil_make_socket_nonblocking(sock);
+
+	memset(&my_addr, 0, sizeof(my_addr));
+	my_addr.sin_family = AF_INET;
+	my_addr.sin_port = 0; /* kernel picks */
+	my_addr.sin_addr.s_addr = htonl(0x7f000001UL);
+	if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) {
+		tt_abort_perror("bind");
+	}
+	slen = sizeof(ss);
+	if (getsockname(sock, (struct sockaddr*)&ss, &slen) < 0) {
+		tt_abort_perror("getsockname");
+	}
+
+	port = evdns_add_server_port(sock, 0, dns_server_request_cb, NULL);
+
+	/* Add ourself as the only nameserver, and make sure we really are
+	 * the only nameserver. */
+	evdns_base_nameserver_sockaddr_add(base, (struct sockaddr*)&ss, slen, 0);
+	tt_int_op(evdns_base_count_nameservers(base), ==, 1);
+	{
+		struct sockaddr_storage ss2;
+		int slen2;
+
+		memset(&ss2, 0, sizeof(ss2));
+
+		slen2 = evdns_base_get_nameserver_addr(base, 0, (struct sockaddr *)&ss2, 3);
+		tt_int_op(slen2, ==, slen);
+		tt_int_op(ss2.ss_family, ==, 0);
+		slen2 = evdns_base_get_nameserver_addr(base, 0, (struct sockaddr *)&ss2, sizeof(ss2));
+		tt_int_op(slen2, ==, slen);
+		tt_mem_op(&ss2, ==, &ss, slen);
+
+		slen2 = evdns_base_get_nameserver_addr(base, 1, (struct sockaddr *)&ss2, sizeof(ss2));
+		tt_int_op(-1, ==, slen2);
+	}
+
+	/* Send some queries. */
+	evdns_base_resolve_ipv4(base, "zz.example.com", DNS_QUERY_NO_SEARCH,
+					   dns_server_gethostbyname_cb, NULL);
+	evdns_base_resolve_ipv6(base, "zz.example.com", DNS_QUERY_NO_SEARCH,
+					   dns_server_gethostbyname_cb, NULL);
+	resolve_addr.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */
+	evdns_base_resolve_reverse(base, &resolve_addr, 0,
+	    dns_server_gethostbyname_cb, NULL);
+	memcpy(resolve_addr6.s6_addr,
+	    "\xff\xf0\x00\x00\x00\x00\xaa\xaa"
+	    "\x11\x11\x00\x00\x00\x00\xef\xef", 16);
+	evdns_base_resolve_reverse_ipv6(base, &resolve_addr6, 0,
+	    dns_server_gethostbyname_cb, (void*)6);
+
+	req = evdns_base_resolve_ipv4(base,
+	    "drop.example.com", DNS_QUERY_NO_SEARCH,
+	    dns_server_gethostbyname_cb, (void*)(char*)90909);
+
+	evdns_cancel_request(base, req);
+
+	event_dispatch();
+
+	tt_assert(dns_got_cancel);
+	test_ok = dns_ok;
+
+end:
+	if (port)
+		evdns_close_server_port(port);
+	if (sock >= 0)
+		evutil_closesocket(sock);
+	if (base)
+		evdns_base_free(base, 0);
+}
+
+static int n_replies_left;
+static struct event_base *exit_base;
+static struct evdns_server_port *exit_port;
+
+struct generic_dns_callback_result {
+	int result;
+	char type;
+	int count;
+	int ttl;
+	size_t addrs_len;
+	void *addrs;
+	char addrs_buf[256];
+};
+
+static void
+generic_dns_callback(int result, char type, int count, int ttl, void *addresses,
+    void *arg)
+{
+	size_t len;
+	struct generic_dns_callback_result *res = arg;
+	res->result = result;
+	res->type = type;
+	res->count = count;
+	res->ttl = ttl;
+
+	if (type == DNS_IPv4_A)
+		len = count * 4;
+	else if (type == DNS_IPv6_AAAA)
+		len = count * 16;
+	else if (type == DNS_PTR)
+		len = strlen(addresses)+1;
+	else {
+		res->addrs_len = len = 0;
+		res->addrs = NULL;
+	}
+	if (len) {
+		res->addrs_len = len;
+		if (len > 256)
+			len = 256;
+		memcpy(res->addrs_buf, addresses, len);
+		res->addrs = res->addrs_buf;
+	}
+
+	--n_replies_left;
+	if (n_replies_left == 0) {
+		if (exit_port) {
+			evdns_close_server_port(exit_port);
+			exit_port = NULL;
+		} else
+			event_base_loopexit(exit_base, NULL);
+	}
+}
+
+static struct regress_dns_server_table search_table[] = {
+	{ "host.a.example.com", "err", "3", 0, 0 },
+	{ "host.b.example.com", "err", "3", 0, 0 },
+	{ "host.c.example.com", "A", "11.22.33.44", 0, 0 },
+	{ "host2.a.example.com", "err", "3", 0, 0 },
+	{ "host2.b.example.com", "A", "200.100.0.100", 0, 0 },
+	{ "host2.c.example.com", "err", "3", 0, 0 },
+	{ "hostn.a.example.com", "errsoa", "0", 0, 0 },
+	{ "hostn.b.example.com", "errsoa", "3", 0, 0 },
+	{ "hostn.c.example.com", "err", "0", 0, 0 },
+
+	{ "host", "err", "3", 0, 0 },
+	{ "host2", "err", "3", 0, 0 },
+	{ "*", "err", "3", 0, 0 },
+	{ NULL, NULL, NULL, 0, 0 }
+};
+static void
+dns_search_test_impl(void *arg, int lower)
+{
+	struct regress_dns_server_table table[ARRAY_SIZE(search_table)];
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+
+	struct generic_dns_callback_result r[8];
+	size_t i;
+
+	for (i = 0; i < ARRAY_SIZE(table); ++i) {
+		table[i] = search_table[i];
+		table[i].lower = lower;
+	}
+
+	tt_assert(regress_dnsserver(base, &portnum, table));
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, 0);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+
+	evdns_base_search_add(dns, "a.example.com");
+	evdns_base_search_add(dns, "b.example.com");
+	evdns_base_search_add(dns, "c.example.com");
+
+	n_replies_left = ARRAY_SIZE(r);
+	exit_base = base;
+
+	evdns_base_resolve_ipv4(dns, "host", 0, generic_dns_callback, &r[0]);
+	evdns_base_resolve_ipv4(dns, "host2", 0, generic_dns_callback, &r[1]);
+	evdns_base_resolve_ipv4(dns, "host", DNS_NO_SEARCH, generic_dns_callback, &r[2]);
+	evdns_base_resolve_ipv4(dns, "host2", DNS_NO_SEARCH, generic_dns_callback, &r[3]);
+	evdns_base_resolve_ipv4(dns, "host3", 0, generic_dns_callback, &r[4]);
+	evdns_base_resolve_ipv4(dns, "hostn.a.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[5]);
+	evdns_base_resolve_ipv4(dns, "hostn.b.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[6]);
+	evdns_base_resolve_ipv4(dns, "hostn.c.example.com", DNS_NO_SEARCH, generic_dns_callback, &r[7]);
+
+	event_base_dispatch(base);
+
+	tt_int_op(r[0].type, ==, DNS_IPv4_A);
+	tt_int_op(r[0].count, ==, 1);
+	tt_int_op(((ev_uint32_t*)r[0].addrs)[0], ==, htonl(0x0b16212c));
+	tt_int_op(r[1].type, ==, DNS_IPv4_A);
+	tt_int_op(r[1].count, ==, 1);
+	tt_int_op(((ev_uint32_t*)r[1].addrs)[0], ==, htonl(0xc8640064));
+	tt_int_op(r[2].result, ==, DNS_ERR_NOTEXIST);
+	tt_int_op(r[3].result, ==, DNS_ERR_NOTEXIST);
+	tt_int_op(r[4].result, ==, DNS_ERR_NOTEXIST);
+	tt_int_op(r[5].result, ==, DNS_ERR_NODATA);
+	tt_int_op(r[5].ttl, ==, 42);
+	tt_int_op(r[6].result, ==, DNS_ERR_NOTEXIST);
+	tt_int_op(r[6].ttl, ==, 42);
+	tt_int_op(r[7].result, ==, DNS_ERR_NODATA);
+	tt_int_op(r[7].ttl, ==, 0);
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+
+	regress_clean_dnsserver();
+}
+static void
+dns_search_empty_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+
+	dns = evdns_base_new(base, 0);
+
+	evdns_base_search_add(dns, "whatever.example.com");
+
+	n_replies_left = 1;
+	exit_base = base;
+
+	tt_ptr_op(evdns_base_resolve_ipv4(dns, "", 0, generic_dns_callback, NULL), ==, NULL);
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+}
+static void
+dns_search_test(void *arg)
+{
+	return dns_search_test_impl(arg, 0);
+}
+static void
+dns_search_lower_test(void *arg)
+{
+	return dns_search_test_impl(arg, 1);
+}
+
+static int request_count = 0;
+static struct evdns_request *current_req = NULL;
+
+static void
+search_cancel_server_cb(struct evdns_server_request *req, void *data)
+{
+	const char *question;
+
+	if (req->nquestions != 1)
+		TT_DIE(("Only handling one question at a time; got %d",
+			req->nquestions));
+
+	question = req->questions[0]->name;
+
+	TT_BLATHER(("got question, %s", question));
+
+	tt_assert(request_count > 0);
+	tt_assert(!evdns_server_request_respond(req, 3));
+
+	if (!--request_count)
+		evdns_cancel_request(NULL, current_req);
+
+end:
+	;
+}
+
+static void
+dns_search_cancel_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+	struct evdns_server_port *port = NULL;
+	ev_uint16_t portnum = 0;
+	struct generic_dns_callback_result r1;
+	char buf[64];
+
+	port = regress_get_dnsserver(base, &portnum, NULL,
+	    search_cancel_server_cb, NULL);
+	tt_assert(port);
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, 0);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+
+	evdns_base_search_add(dns, "a.example.com");
+	evdns_base_search_add(dns, "b.example.com");
+	evdns_base_search_add(dns, "c.example.com");
+	evdns_base_search_add(dns, "d.example.com");
+
+	exit_base = base;
+	request_count = 3;
+	n_replies_left = 1;
+
+	current_req = evdns_base_resolve_ipv4(dns, "host", 0,
+					generic_dns_callback, &r1);
+	event_base_dispatch(base);
+
+	tt_int_op(r1.result, ==, DNS_ERR_CANCEL);
+
+end:
+	if (port)
+		evdns_close_server_port(port);
+	if (dns)
+		evdns_base_free(dns, 0);
+}
+
+static void
+fail_server_cb(struct evdns_server_request *req, void *data)
+{
+	const char *question;
+	int *count = data;
+	struct in_addr in;
+
+	/* Drop the first N requests that we get. */
+	if (*count > 0) {
+		--*count;
+		tt_want(! evdns_server_request_drop(req));
+		return;
+	}
+
+	if (req->nquestions != 1)
+		TT_DIE(("Only handling one question at a time; got %d",
+			req->nquestions));
+
+	question = req->questions[0]->name;
+
+	if (!evutil_ascii_strcasecmp(question, "google.com")) {
+		/* Detect a probe, and get out of the loop. */
+		event_base_loopexit(exit_base, NULL);
+	}
+
+	tt_assert(evutil_inet_pton(AF_INET, "16.32.64.128", &in));
+	evdns_server_request_add_a_reply(req, question, 1, &in.s_addr,
+	    100);
+	tt_assert(! evdns_server_request_respond(req, 0))
+	return;
+end:
+	tt_want(! evdns_server_request_drop(req));
+}
+
+static void
+dns_retry_test_impl(void *arg, int flags)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_server_port *port = NULL;
+	struct evdns_base *dns = NULL;
+	int drop_count = 2;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+
+	struct generic_dns_callback_result r1;
+
+	port = regress_get_dnsserver(base, &portnum, NULL,
+	    fail_server_cb, &drop_count);
+	tt_assert(port);
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, flags);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+	tt_assert(! evdns_base_set_option(dns, "timeout", "0.2"));
+	tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "10"));
+	tt_assert(! evdns_base_set_option(dns, "initial-probe-timeout", "0.1"));
+
+	evdns_base_resolve_ipv4(dns, "host.example.com", 0,
+	    generic_dns_callback, &r1);
+
+	n_replies_left = 1;
+	exit_base = base;
+
+	event_base_dispatch(base);
+
+	tt_int_op(drop_count, ==, 0);
+
+	tt_int_op(r1.type, ==, DNS_IPv4_A);
+	tt_int_op(r1.count, ==, 1);
+	tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0x10204080));
+
+	/* Now try again, but this time have the server get treated as
+	 * failed, so we can send it a test probe. */
+	drop_count = 4;
+	tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "2"));
+	tt_assert(! evdns_base_set_option(dns, "attempts:", "3"));
+	memset(&r1, 0, sizeof(r1));
+
+	evdns_base_resolve_ipv4(dns, "host.example.com", 0,
+	    generic_dns_callback, &r1);
+
+	n_replies_left = 2;
+
+	/* This will run until it answers the "google.com" probe request. */
+	event_base_dispatch(base);
+
+	/* We'll treat the server as failed here. */
+	tt_int_op(r1.result, ==, DNS_ERR_TIMEOUT);
+
+	/* It should work this time. */
+	tt_int_op(drop_count, ==, 0);
+	evdns_base_resolve_ipv4(dns, "host.example.com", 0,
+	    generic_dns_callback, &r1);
+
+	event_base_dispatch(base);
+	tt_int_op(r1.result, ==, DNS_ERR_NONE);
+	tt_int_op(r1.type, ==, DNS_IPv4_A);
+	tt_int_op(r1.count, ==, 1);
+	tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0x10204080));
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+	if (port)
+		evdns_close_server_port(port);
+}
+static void
+dns_retry_test(void *arg)
+{
+	dns_retry_test_impl(arg, 0);
+}
+static void
+dns_retry_disable_when_inactive_test(void *arg)
+{
+	dns_retry_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+}
+
+static struct regress_dns_server_table internal_error_table[] = {
+	/* Error 4 (NOTIMPL) makes us reissue the request to another server
+	   if we can.
+
+	   XXXX we should reissue under a much wider set of circumstances!
+	 */
+	{ "foof.example.com", "err", "4", 0, 0 },
+	{ NULL, NULL, NULL, 0, 0 }
+};
+
+static struct regress_dns_server_table reissue_table[] = {
+	{ "foof.example.com", "A", "240.15.240.15", 0, 0 },
+	{ NULL, NULL, NULL, 0, 0 }
+};
+
+static void
+dns_reissue_test_impl(void *arg, int flags)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_server_port *port1 = NULL, *port2 = NULL;
+	struct evdns_base *dns = NULL;
+	struct generic_dns_callback_result r1;
+	ev_uint16_t portnum1 = 0, portnum2=0;
+	char buf1[64], buf2[64];
+
+	port1 = regress_get_dnsserver(base, &portnum1, NULL,
+	    regress_dns_server_cb, internal_error_table);
+	tt_assert(port1);
+	port2 = regress_get_dnsserver(base, &portnum2, NULL,
+	    regress_dns_server_cb, reissue_table);
+	tt_assert(port2);
+	evutil_snprintf(buf1, sizeof(buf1), "127.0.0.1:%d", (int)portnum1);
+	evutil_snprintf(buf2, sizeof(buf2), "127.0.0.1:%d", (int)portnum2);
+
+	dns = evdns_base_new(base, flags);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf1));
+	tt_assert(! evdns_base_set_option(dns, "timeout:", "0.3"));
+	tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "2"));
+	tt_assert(! evdns_base_set_option(dns, "attempts:", "5"));
+
+	memset(&r1, 0, sizeof(r1));
+	evdns_base_resolve_ipv4(dns, "foof.example.com", 0,
+	    generic_dns_callback, &r1);
+
+	/* Add this after, so that we are sure to get a reissue. */
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf2));
+
+	n_replies_left = 1;
+	exit_base = base;
+
+	event_base_dispatch(base);
+	tt_int_op(r1.result, ==, DNS_ERR_NONE);
+	tt_int_op(r1.type, ==, DNS_IPv4_A);
+	tt_int_op(r1.count, ==, 1);
+	tt_int_op(((ev_uint32_t*)r1.addrs)[0], ==, htonl(0xf00ff00f));
+
+	/* Make sure we dropped at least once. */
+	tt_int_op(internal_error_table[0].seen, >, 0);
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+	if (port1)
+		evdns_close_server_port(port1);
+	if (port2)
+		evdns_close_server_port(port2);
+}
+static void
+dns_reissue_test(void *arg)
+{
+	dns_reissue_test_impl(arg, 0);
+}
+static void
+dns_reissue_disable_when_inactive_test(void *arg)
+{
+	dns_reissue_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+}
+
+#if 0
+static void
+dumb_bytes_fn(char *p, size_t n)
+{
+	unsigned i;
+	/* This gets us 6 bits of entropy per transaction ID, which means we
+	 * will have probably have collisions and need to pick again. */
+	for (i=0;i<n;++i)
+		p[i] = (char)(rand() & 7);
+}
+#endif
+
+static void
+dns_inflight_test_impl(void *arg, int flags)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+	struct evdns_server_port *dns_port = NULL;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+	int disable_when_inactive = flags & EVDNS_BASE_DISABLE_WHEN_INACTIVE;
+
+	struct generic_dns_callback_result r[20];
+	int i;
+
+	dns_port = regress_get_dnsserver(base, &portnum, NULL,
+		regress_dns_server_cb, reissue_table);
+	tt_assert(dns_port);
+	if (disable_when_inactive) {
+		exit_port = dns_port;
+	}
+
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, flags);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+	tt_assert(! evdns_base_set_option(dns, "max-inflight:", "3"));
+	tt_assert(! evdns_base_set_option(dns, "randomize-case:", "0"));
+
+	for (i=0;i<20;++i)
+		evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r[i]);
+
+	n_replies_left = 20;
+	exit_base = base;
+
+	event_base_dispatch(base);
+
+	for (i=0;i<20;++i) {
+		tt_int_op(r[i].type, ==, DNS_IPv4_A);
+		tt_int_op(r[i].count, ==, 1);
+		tt_int_op(((ev_uint32_t*)r[i].addrs)[0], ==, htonl(0xf00ff00f));
+	}
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+	if (exit_port) {
+		evdns_close_server_port(exit_port);
+		exit_port = NULL;
+	} else if (! disable_when_inactive) {
+		evdns_close_server_port(dns_port);
+	}
+}
+
+static void
+dns_inflight_test(void *arg)
+{
+	dns_inflight_test_impl(arg, 0);
+}
+
+static void
+dns_disable_when_inactive_test(void *arg)
+{
+	dns_inflight_test_impl(arg, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+}
+
+static void
+dns_disable_when_inactive_no_ns_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base, *inactive_base;
+	struct evdns_base *dns = NULL;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+	struct generic_dns_callback_result r;
+
+	inactive_base = event_base_new();
+	tt_assert(inactive_base);
+
+	/** Create dns server with inactive base, to avoid replying to clients */
+	tt_assert(regress_dnsserver(inactive_base, &portnum, search_table));
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+	tt_assert(! evdns_base_set_option(dns, "timeout:", "0.1"));
+
+	evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r);
+	n_replies_left = 1;
+	exit_base = base;
+
+	event_base_dispatch(base);
+
+	tt_int_op(n_replies_left, ==, 0);
+
+	tt_int_op(r.result, ==, DNS_ERR_TIMEOUT);
+	tt_int_op(r.count, ==, 0);
+	tt_ptr_op(r.addrs, ==, NULL);
+
+end:
+	if (dns)
+		evdns_base_free(dns, 0);
+	regress_clean_dnsserver();
+	if (inactive_base)
+		event_base_free(inactive_base);
+}
+
+/* === Test for bufferevent_socket_connect_hostname */
+
+static int total_connected_or_failed = 0;
+static int total_n_accepted = 0;
+static struct event_base *be_connect_hostname_base = NULL;
+
+/* Implements a DNS server for the connect_hostname test and the
+ * getaddrinfo_async test */
+static void
+be_getaddrinfo_server_cb(struct evdns_server_request *req, void *data)
+{
+	int i;
+	int *n_got_p=data;
+	int added_any=0;
+	++*n_got_p;
+
+	for (i=0;i<req->nquestions;++i) {
+		const int qtype = req->questions[i]->type;
+		const int qclass = req->questions[i]->dns_question_class;
+		const char *qname = req->questions[i]->name;
+		struct in_addr ans;
+		struct in6_addr ans6;
+		memset(&ans6, 0, sizeof(ans6));
+
+		TT_BLATHER(("Got question about %s, type=%d", qname, qtype));
+
+		if (qtype == EVDNS_TYPE_A &&
+		    qclass == EVDNS_CLASS_INET &&
+		    !evutil_ascii_strcasecmp(qname, "nobodaddy.example.com")) {
+			ans.s_addr = htonl(0x7f000001);
+			evdns_server_request_add_a_reply(req, qname,
+			    1, &ans.s_addr, 2000);
+			added_any = 1;
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"nosuchplace.example.com")) {
+			/* ok, just say notfound. */
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"both.example.com")) {
+			if (qtype == EVDNS_TYPE_A) {
+				ans.s_addr = htonl(0x50502020);
+				evdns_server_request_add_a_reply(req, qname,
+				    1, &ans.s_addr, 2000);
+				added_any = 1;
+			} else if (qtype == EVDNS_TYPE_AAAA) {
+				ans6.s6_addr[0] = 0x80;
+				ans6.s6_addr[1] = 0xff;
+				ans6.s6_addr[14] = 0xbb;
+				ans6.s6_addr[15] = 0xbb;
+				evdns_server_request_add_aaaa_reply(req, qname,
+				    1, &ans6.s6_addr, 2000);
+				added_any = 1;
+			}
+			evdns_server_request_add_cname_reply(req, qname,
+			    "both-canonical.example.com", 1000);
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"v4only.example.com") ||
+		    !evutil_ascii_strcasecmp(qname, "v4assert.example.com")) {
+			if (qtype == EVDNS_TYPE_A) {
+				ans.s_addr = htonl(0x12345678);
+				evdns_server_request_add_a_reply(req, qname,
+				    1, &ans.s_addr, 2000);
+				added_any = 1;
+			} else if (!evutil_ascii_strcasecmp(qname,
+				"v4assert.example.com")) {
+				TT_FAIL(("Got an AAAA request for v4assert"));
+			}
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"v6only.example.com") ||
+		    !evutil_ascii_strcasecmp(qname, "v6assert.example.com")) {
+			if (qtype == EVDNS_TYPE_AAAA) {
+				ans6.s6_addr[0] = 0x0b;
+				ans6.s6_addr[1] = 0x0b;
+				ans6.s6_addr[14] = 0xf0;
+				ans6.s6_addr[15] = 0x0d;
+				evdns_server_request_add_aaaa_reply(req, qname,
+				    1, &ans6.s6_addr, 2000);
+				added_any = 1;
+			}  else if (!evutil_ascii_strcasecmp(qname,
+				"v6assert.example.com")) {
+				TT_FAIL(("Got a A request for v6assert"));
+			}
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"v6timeout.example.com")) {
+			if (qtype == EVDNS_TYPE_A) {
+				ans.s_addr = htonl(0xabcdef01);
+				evdns_server_request_add_a_reply(req, qname,
+				    1, &ans.s_addr, 2000);
+				added_any = 1;
+			} else if (qtype == EVDNS_TYPE_AAAA) {
+				/* Let the v6 request time out.*/
+				evdns_server_request_drop(req);
+				return;
+			}
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"v4timeout.example.com")) {
+			if (qtype == EVDNS_TYPE_AAAA) {
+				ans6.s6_addr[0] = 0x0a;
+				ans6.s6_addr[1] = 0x0a;
+				ans6.s6_addr[14] = 0xff;
+				ans6.s6_addr[15] = 0x01;
+				evdns_server_request_add_aaaa_reply(req, qname,
+				    1, &ans6.s6_addr, 2000);
+				added_any = 1;
+			} else if (qtype == EVDNS_TYPE_A) {
+				/* Let the v4 request time out.*/
+				evdns_server_request_drop(req);
+				return;
+			}
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"v6timeout-nonexist.example.com")) {
+			if (qtype == EVDNS_TYPE_A) {
+				/* Fall through, give an nexist. */
+			} else if (qtype == EVDNS_TYPE_AAAA) {
+				/* Let the v6 request time out.*/
+				evdns_server_request_drop(req);
+				return;
+			}
+		} else if (!evutil_ascii_strcasecmp(qname,
+			"all-timeout.example.com")) {
+			/* drop all requests */
+			evdns_server_request_drop(req);
+			return;
+		} else {
+			TT_GRIPE(("Got weird request for %s",qname));
+		}
+	}
+	if (added_any) {
+		TT_BLATHER(("answering"));
+		evdns_server_request_respond(req, 0);
+	} else {
+		TT_BLATHER(("saying nexist."));
+		evdns_server_request_respond(req, 3);
+	}
+}
+
+/* Implements a listener for connect_hostname test. */
+static void
+nil_accept_cb(struct evconnlistener *l, evutil_socket_t fd, struct sockaddr *s,
+    int socklen, void *arg)
+{
+	int *p = arg;
+	(*p)++;
+	++total_n_accepted;
+	/* don't do anything with the socket; let it close when we exit() */
+	if (total_n_accepted >= 3 && total_connected_or_failed >= 5)
+		event_base_loopexit(be_connect_hostname_base,
+		    NULL);
+}
+
+struct be_conn_hostname_result {
+	int dnserr;
+	int what;
+};
+
+/* Bufferevent event callback for the connect_hostname test: remembers what
+ * event we got. */
+static void
+be_connect_hostname_event_cb(struct bufferevent *bev, short what, void *ctx)
+{
+	struct be_conn_hostname_result *got = ctx;
+	if (!got->what) {
+		TT_BLATHER(("Got a bufferevent event %d", what));
+		got->what = what;
+
+		if ((what & BEV_EVENT_CONNECTED) || (what & BEV_EVENT_ERROR)) {
+			int r;
+			if ((r = bufferevent_socket_get_dns_error(bev))) {
+				got->dnserr = r;
+				TT_BLATHER(("DNS error %d: %s", r,
+					   evutil_gai_strerror(r)));
+			}			++total_connected_or_failed;
+			TT_BLATHER(("Got %d connections or errors.", total_connected_or_failed));
+
+			if (total_n_accepted >= 3 && total_connected_or_failed >= 5)
+				event_base_loopexit(be_connect_hostname_base,
+				    NULL);
+		}
+	} else {
+		TT_FAIL(("Two events on one bufferevent. %d,%d",
+			got->what, (int)what));
+	}
+}
+
+static void
+test_bufferevent_connect_hostname(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct evconnlistener *listener = NULL;
+	struct bufferevent *be1=NULL, *be2=NULL, *be3=NULL, *be4=NULL, *be5=NULL;
+	struct be_conn_hostname_result be1_outcome={0,0}, be2_outcome={0,0},
+	       be3_outcome={0,0}, be4_outcome={0,0}, be5_outcome={0,0};
+	int expect_err5;
+	struct evdns_base *dns=NULL;
+	struct evdns_server_port *port=NULL;
+	struct sockaddr_in sin;
+	int listener_port=-1;
+	ev_uint16_t dns_port=0;
+	int n_accept=0, n_dns=0;
+	char buf[128];
+
+	be_connect_hostname_base = data->base;
+
+	/* Bind an address and figure out what port it's on. */
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */
+	sin.sin_port = 0;
+	listener = evconnlistener_new_bind(data->base, nil_accept_cb,
+	    &n_accept,
+	    LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC,
+	    -1, (struct sockaddr *)&sin, sizeof(sin));
+	tt_assert(listener);
+	listener_port = regress_get_socket_port(
+		evconnlistener_get_fd(listener));
+
+	port = regress_get_dnsserver(data->base, &dns_port, NULL,
+	    be_getaddrinfo_server_cb, &n_dns);
+	tt_assert(port);
+	tt_int_op(dns_port, >=, 0);
+
+	/* Start an evdns_base that uses the server as its resolver. */
+	dns = evdns_base_new(data->base, 0);
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)dns_port);
+	evdns_base_nameserver_ip_add(dns, buf);
+
+	/* Now, finally, at long last, launch the bufferevents.	 One should do
+	 * a failing lookup IP, one should do a successful lookup by IP,
+	 * and one should do a successful lookup by hostname. */
+	be1 = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
+	be2 = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
+	be3 = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
+	be4 = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
+	be5 = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
+
+	bufferevent_setcb(be1, NULL, NULL, be_connect_hostname_event_cb,
+	    &be1_outcome);
+	bufferevent_setcb(be2, NULL, NULL, be_connect_hostname_event_cb,
+	    &be2_outcome);
+	bufferevent_setcb(be3, NULL, NULL, be_connect_hostname_event_cb,
+	    &be3_outcome);
+	bufferevent_setcb(be4, NULL, NULL, be_connect_hostname_event_cb,
+	    &be4_outcome);
+	bufferevent_setcb(be5, NULL, NULL, be_connect_hostname_event_cb,
+	    &be5_outcome);
+
+	/* Use the blocking resolver.  This one will fail if your resolver
+	 * can't resolve localhost to 127.0.0.1 */
+	tt_assert(!bufferevent_socket_connect_hostname(be4, NULL, AF_INET,
+		"localhost", listener_port));
+	/* Use the blocking resolver with a nonexistent hostname. */
+	tt_assert(!bufferevent_socket_connect_hostname(be5, NULL, AF_INET,
+		"nonesuch.nowhere.example.com", 80));
+	{
+		/* The blocking resolver will use the system nameserver, which
+		 * might tell us anything.  (Yes, some twits even pretend that
+		 * example.com is real.) Let's see what answer to expect. */
+		struct evutil_addrinfo hints, *ai = NULL;
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = AF_INET;
+		hints.ai_socktype = SOCK_STREAM;
+		hints.ai_protocol = IPPROTO_TCP;
+		expect_err5 = evutil_getaddrinfo(
+			"nonesuch.nowhere.example.com", "80", &hints, &ai);
+	}
+	/* Launch an async resolve that will fail. */
+	tt_assert(!bufferevent_socket_connect_hostname(be1, dns, AF_INET,
+		"nosuchplace.example.com", listener_port));
+	/* Connect to the IP without resolving. */
+	tt_assert(!bufferevent_socket_connect_hostname(be2, dns, AF_INET,
+		"127.0.0.1", listener_port));
+	/* Launch an async resolve that will succeed. */
+	tt_assert(!bufferevent_socket_connect_hostname(be3, dns, AF_INET,
+		"nobodaddy.example.com", listener_port));
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(be1_outcome.what, ==, BEV_EVENT_ERROR);
+	tt_int_op(be1_outcome.dnserr, ==, EVUTIL_EAI_NONAME);
+	tt_int_op(be2_outcome.what, ==, BEV_EVENT_CONNECTED);
+	tt_int_op(be2_outcome.dnserr, ==, 0);
+	tt_int_op(be3_outcome.what, ==, BEV_EVENT_CONNECTED);
+	tt_int_op(be3_outcome.dnserr, ==, 0);
+	tt_int_op(be4_outcome.what, ==, BEV_EVENT_CONNECTED);
+	tt_int_op(be4_outcome.dnserr, ==, 0);
+	if (expect_err5) {
+		tt_int_op(be5_outcome.what, ==, BEV_EVENT_ERROR);
+		tt_int_op(be5_outcome.dnserr, ==, expect_err5);
+	}
+
+	tt_int_op(n_accept, ==, 3);
+	tt_int_op(n_dns, ==, 2);
+
+end:
+	if (listener)
+		evconnlistener_free(listener);
+	if (port)
+		evdns_close_server_port(port);
+	if (dns)
+		evdns_base_free(dns, 0);
+	if (be1)
+		bufferevent_free(be1);
+	if (be2)
+		bufferevent_free(be2);
+	if (be3)
+		bufferevent_free(be3);
+	if (be4)
+		bufferevent_free(be4);
+	if (be5)
+		bufferevent_free(be5);
+}
+
+
+struct gai_outcome {
+	int err;
+	struct evutil_addrinfo *ai;
+};
+
+static int n_gai_results_pending = 0;
+static struct event_base *exit_base_on_no_pending_results = NULL;
+
+static void
+gai_cb(int err, struct evutil_addrinfo *res, void *ptr)
+{
+	struct gai_outcome *go = ptr;
+	go->err = err;
+	go->ai = res;
+	if (--n_gai_results_pending <= 0 && exit_base_on_no_pending_results)
+		event_base_loopexit(exit_base_on_no_pending_results, NULL);
+	if (n_gai_results_pending < 900)
+		TT_BLATHER(("Got an answer; expecting %d more.",
+			n_gai_results_pending));
+}
+
+static void
+cancel_gai_cb(evutil_socket_t fd, short what, void *ptr)
+{
+	struct evdns_getaddrinfo_request *r = ptr;
+	evdns_getaddrinfo_cancel(r);
+}
+
+static void
+test_getaddrinfo_async(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct evutil_addrinfo hints, *a;
+	struct gai_outcome local_outcome;
+	struct gai_outcome a_out[12];
+	int i;
+	struct evdns_getaddrinfo_request *r;
+	char buf[128];
+	struct evdns_server_port *port = NULL;
+	ev_uint16_t dns_port = 0;
+	int n_dns_questions = 0;
+	struct evdns_base *dns_base;
+
+	memset(a_out, 0, sizeof(a_out));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+
+	dns_base = evdns_base_new(data->base, 0);
+	tt_assert(dns_base);
+
+	/* for localhost */
+	evdns_base_load_hosts(dns_base, NULL);
+
+	tt_assert(! evdns_base_set_option(dns_base, "timeout", "0.3"));
+	tt_assert(! evdns_base_set_option(dns_base, "getaddrinfo-allow-skew", "0.2"));
+
+	n_gai_results_pending = 10000; /* don't think about exiting yet. */
+
+	/* 1. Try some cases that will never hit the asynchronous resolver. */
+	/* 1a. Simple case with a symbolic service name */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	r = evdns_getaddrinfo(dns_base, "1.2.3.4", "http",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(! r);
+	if (!local_outcome.err) {
+		tt_ptr_op(local_outcome.ai,!=,NULL);
+		test_ai_eq(local_outcome.ai, "1.2.3.4:80", SOCK_STREAM, IPPROTO_TCP);
+		evutil_freeaddrinfo(local_outcome.ai);
+		local_outcome.ai = NULL;
+	} else {
+		TT_BLATHER(("Apparently we have no getservbyname."));
+	}
+
+	/* 1b. EVUTIL_AI_NUMERICHOST is set */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_flags = EVUTIL_AI_NUMERICHOST;
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	r = evdns_getaddrinfo(dns_base, "www.google.com", "80",
+	    &hints, gai_cb, &local_outcome);
+	tt_ptr_op(r,==,NULL);
+	tt_int_op(local_outcome.err,==,EVUTIL_EAI_NONAME);
+	tt_ptr_op(local_outcome.ai,==,NULL);
+
+	/* 1c. We give a numeric address (ipv6) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_protocol = IPPROTO_TCP;
+	r = evdns_getaddrinfo(dns_base, "f::f", "8008",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(!r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	tt_ptr_op(local_outcome.ai->ai_next,==,NULL);
+	test_ai_eq(local_outcome.ai, "[f::f]:8008", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 1d. We give a numeric address (ipv4) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_UNSPEC;
+	r = evdns_getaddrinfo(dns_base, "5.6.7.8", NULL,
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(!r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	a = ai_find_by_protocol(local_outcome.ai, IPPROTO_TCP);
+	tt_assert(a);
+	test_ai_eq(a, "5.6.7.8", SOCK_STREAM, IPPROTO_TCP);
+	a = ai_find_by_protocol(local_outcome.ai, IPPROTO_UDP);
+	tt_assert(a);
+	test_ai_eq(a, "5.6.7.8", SOCK_DGRAM, IPPROTO_UDP);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 1e. nodename is NULL (bind) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_flags = EVUTIL_AI_PASSIVE;
+	r = evdns_getaddrinfo(dns_base, NULL, "9090",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(!r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	/* we should get a v4 address of 0.0.0.0... */
+	a = ai_find_by_family(local_outcome.ai, PF_INET);
+	tt_assert(a);
+	test_ai_eq(a, "0.0.0.0:9090", SOCK_DGRAM, IPPROTO_UDP);
+	/* ... and a v6 address of ::0 */
+	a = ai_find_by_family(local_outcome.ai, PF_INET6);
+	tt_assert(a);
+	test_ai_eq(a, "[::]:9090", SOCK_DGRAM, IPPROTO_UDP);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 1f. nodename is NULL (connect) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evdns_getaddrinfo(dns_base, NULL, "2",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(!r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	/* we should get a v4 address of 127.0.0.1 .... */
+	a = ai_find_by_family(local_outcome.ai, PF_INET);
+	tt_assert(a);
+	test_ai_eq(a, "127.0.0.1:2", SOCK_STREAM, IPPROTO_TCP);
+	/* ... and a v6 address of ::1 */
+	a = ai_find_by_family(local_outcome.ai, PF_INET6);
+	tt_assert(a);
+	test_ai_eq(a, "[::1]:2", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 1g. We find localhost immediately. (pf_unspec) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evdns_getaddrinfo(dns_base, "LOCALHOST", "80",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(!r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	/* we should get a v4 address of 127.0.0.1 .... */
+	a = ai_find_by_family(local_outcome.ai, PF_INET);
+	tt_assert(a);
+	test_ai_eq(a, "127.0.0.1:80", SOCK_STREAM, IPPROTO_TCP);
+	/* ... and a v6 address of ::1 */
+	a = ai_find_by_family(local_outcome.ai, PF_INET6);
+	tt_assert(a);
+	test_ai_eq(a, "[::1]:80", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 1g. We find localhost immediately. (pf_inet6) */
+	memset(&hints, 0, sizeof(hints));
+	memset(&local_outcome, 0, sizeof(local_outcome));
+	hints.ai_family = PF_INET6;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evdns_getaddrinfo(dns_base, "LOCALHOST", "9999",
+	    &hints, gai_cb, &local_outcome);
+	tt_assert(! r);
+	tt_int_op(local_outcome.err,==,0);
+	tt_assert(local_outcome.ai);
+	a = local_outcome.ai;
+	test_ai_eq(a, "[::1]:9999", SOCK_STREAM, IPPROTO_TCP);
+	tt_ptr_op(a->ai_next, ==, NULL);
+	evutil_freeaddrinfo(local_outcome.ai);
+	local_outcome.ai = NULL;
+
+	/* 2. Okay, now we can actually test the asynchronous resolver. */
+	/* Start a dummy local dns server... */
+	port = regress_get_dnsserver(data->base, &dns_port, NULL,
+	    be_getaddrinfo_server_cb, &n_dns_questions);
+	tt_assert(port);
+	tt_int_op(dns_port, >=, 0);
+	/* ... and tell the evdns_base about it. */
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", dns_port);
+	evdns_base_nameserver_ip_add(dns_base, buf);
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = EVUTIL_AI_CANONNAME;
+	/* 0: Request for both.example.com should return both addresses. */
+	r = evdns_getaddrinfo(dns_base, "both.example.com", "8000",
+	    &hints, gai_cb, &a_out[0]);
+	tt_assert(r);
+
+	/* 1: Request for v4only.example.com should return one address. */
+	r = evdns_getaddrinfo(dns_base, "v4only.example.com", "8001",
+	    &hints, gai_cb, &a_out[1]);
+	tt_assert(r);
+
+	/* 2: Request for v6only.example.com should return one address. */
+	hints.ai_flags = 0;
+	r = evdns_getaddrinfo(dns_base, "v6only.example.com", "8002",
+	    &hints, gai_cb, &a_out[2]);
+	tt_assert(r);
+
+	/* 3: PF_INET request for v4assert.example.com should not generate a
+	 * v6 request.	The server will fail the test if it does. */
+	hints.ai_family = PF_INET;
+	r = evdns_getaddrinfo(dns_base, "v4assert.example.com", "8003",
+	    &hints, gai_cb, &a_out[3]);
+	tt_assert(r);
+
+	/* 4: PF_INET6 request for v6assert.example.com should not generate a
+	 * v4 request.	The server will fail the test if it does. */
+	hints.ai_family = PF_INET6;
+	r = evdns_getaddrinfo(dns_base, "v6assert.example.com", "8004",
+	    &hints, gai_cb, &a_out[4]);
+	tt_assert(r);
+
+	/* 5: PF_INET request for nosuchplace.example.com should give NEXIST. */
+	hints.ai_family = PF_INET;
+	r = evdns_getaddrinfo(dns_base, "nosuchplace.example.com", "8005",
+	    &hints, gai_cb, &a_out[5]);
+	tt_assert(r);
+
+	/* 6: PF_UNSPEC request for nosuchplace.example.com should give NEXIST.
+	 */
+	hints.ai_family = PF_UNSPEC;
+	r = evdns_getaddrinfo(dns_base, "nosuchplace.example.com", "8006",
+	    &hints, gai_cb, &a_out[6]);
+	tt_assert(r);
+
+	/* 7: PF_UNSPEC request for v6timeout.example.com should give an ipv4
+	 * address only. */
+	hints.ai_family = PF_UNSPEC;
+	r = evdns_getaddrinfo(dns_base, "v6timeout.example.com", "8007",
+	    &hints, gai_cb, &a_out[7]);
+	tt_assert(r);
+
+	/* 8: PF_UNSPEC request for v6timeout-nonexist.example.com should give
+	 * a NEXIST */
+	hints.ai_family = PF_UNSPEC;
+	r = evdns_getaddrinfo(dns_base, "v6timeout-nonexist.example.com",
+	    "8008", &hints, gai_cb, &a_out[8]);
+	tt_assert(r);
+
+	/* 9: AI_ADDRCONFIG should at least not crash.	Can't test it more
+	 * without knowing what kind of internet we have. */
+	hints.ai_flags |= EVUTIL_AI_ADDRCONFIG;
+	r = evdns_getaddrinfo(dns_base, "both.example.com",
+	    "8009", &hints, gai_cb, &a_out[9]);
+	tt_assert(r);
+
+	/* 10: PF_UNSPEC for v4timeout.example.com should give an ipv6 address
+	 * only. */
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_flags = 0;
+	r = evdns_getaddrinfo(dns_base, "v4timeout.example.com", "8010",
+	    &hints, gai_cb, &a_out[10]);
+	tt_assert(r);
+
+	/* 11: timeout.example.com: cancel it after 100 msec. */
+	r = evdns_getaddrinfo(dns_base, "all-timeout.example.com", "8011",
+	    &hints, gai_cb, &a_out[11]);
+	tt_assert(r);
+	{
+		struct timeval tv;
+		tv.tv_sec = 0;
+		tv.tv_usec = 100*1000; /* 100 msec */
+		event_base_once(data->base, -1, EV_TIMEOUT, cancel_gai_cb,
+		    r, &tv);
+	}
+
+	/* XXXXX There are more tests we could do, including:
+
+	   - A test to elicit NODATA.
+
+	 */
+
+	n_gai_results_pending = 12;
+	exit_base_on_no_pending_results = data->base;
+
+	event_base_dispatch(data->base);
+
+	/* 0: both.example.com */
+	tt_int_op(a_out[0].err, ==, 0);
+	tt_assert(a_out[0].ai);
+	tt_assert(a_out[0].ai->ai_next);
+	tt_assert(!a_out[0].ai->ai_next->ai_next);
+	a = ai_find_by_family(a_out[0].ai, PF_INET);
+	tt_assert(a);
+	test_ai_eq(a, "80.80.32.32:8000", SOCK_STREAM, IPPROTO_TCP);
+	a = ai_find_by_family(a_out[0].ai, PF_INET6);
+	tt_assert(a);
+	test_ai_eq(a, "[80ff::bbbb]:8000", SOCK_STREAM, IPPROTO_TCP);
+	tt_assert(a_out[0].ai->ai_canonname);
+	tt_str_op(a_out[0].ai->ai_canonname, ==, "both-canonical.example.com");
+
+	/* 1: v4only.example.com */
+	tt_int_op(a_out[1].err, ==, 0);
+	tt_assert(a_out[1].ai);
+	tt_assert(! a_out[1].ai->ai_next);
+	test_ai_eq(a_out[1].ai, "18.52.86.120:8001", SOCK_STREAM, IPPROTO_TCP);
+	tt_assert(a_out[1].ai->ai_canonname == NULL);
+
+
+	/* 2: v6only.example.com */
+	tt_int_op(a_out[2].err, ==, 0);
+	tt_assert(a_out[2].ai);
+	tt_assert(! a_out[2].ai->ai_next);
+	test_ai_eq(a_out[2].ai, "[b0b::f00d]:8002", SOCK_STREAM, IPPROTO_TCP);
+
+	/* 3: v4assert.example.com */
+	tt_int_op(a_out[3].err, ==, 0);
+	tt_assert(a_out[3].ai);
+	tt_assert(! a_out[3].ai->ai_next);
+	test_ai_eq(a_out[3].ai, "18.52.86.120:8003", SOCK_STREAM, IPPROTO_TCP);
+
+	/* 4: v6assert.example.com */
+	tt_int_op(a_out[4].err, ==, 0);
+	tt_assert(a_out[4].ai);
+	tt_assert(! a_out[4].ai->ai_next);
+	test_ai_eq(a_out[4].ai, "[b0b::f00d]:8004", SOCK_STREAM, IPPROTO_TCP);
+
+	/* 5: nosuchplace.example.com (inet) */
+	tt_int_op(a_out[5].err, ==, EVUTIL_EAI_NONAME);
+	tt_assert(! a_out[5].ai);
+
+	/* 6: nosuchplace.example.com (unspec) */
+	tt_int_op(a_out[6].err, ==, EVUTIL_EAI_NONAME);
+	tt_assert(! a_out[6].ai);
+
+	/* 7: v6timeout.example.com */
+	tt_int_op(a_out[7].err, ==, 0);
+	tt_assert(a_out[7].ai);
+	tt_assert(! a_out[7].ai->ai_next);
+	test_ai_eq(a_out[7].ai, "171.205.239.1:8007", SOCK_STREAM, IPPROTO_TCP);
+
+	/* 8: v6timeout-nonexist.example.com */
+	tt_int_op(a_out[8].err, ==, EVUTIL_EAI_NONAME);
+	tt_assert(! a_out[8].ai);
+
+	/* 9: both (ADDRCONFIG) */
+	tt_int_op(a_out[9].err, ==, 0);
+	tt_assert(a_out[9].ai);
+	a = ai_find_by_family(a_out[9].ai, PF_INET);
+	if (a)
+		test_ai_eq(a, "80.80.32.32:8009", SOCK_STREAM, IPPROTO_TCP);
+	else
+		tt_assert(ai_find_by_family(a_out[9].ai, PF_INET6));
+	a = ai_find_by_family(a_out[9].ai, PF_INET6);
+	if (a)
+		test_ai_eq(a, "[80ff::bbbb]:8009", SOCK_STREAM, IPPROTO_TCP);
+	else
+		tt_assert(ai_find_by_family(a_out[9].ai, PF_INET));
+
+	/* 10: v4timeout.example.com */
+	tt_int_op(a_out[10].err, ==, 0);
+	tt_assert(a_out[10].ai);
+	tt_assert(! a_out[10].ai->ai_next);
+	test_ai_eq(a_out[10].ai, "[a0a::ff01]:8010", SOCK_STREAM, IPPROTO_TCP);
+
+	/* 11: cancelled request. */
+	tt_int_op(a_out[11].err, ==, EVUTIL_EAI_CANCEL);
+	tt_assert(a_out[11].ai == NULL);
+
+end:
+	if (local_outcome.ai)
+		evutil_freeaddrinfo(local_outcome.ai);
+	for (i=0;i<(int)ARRAY_SIZE(a_out);++i) {
+		if (a_out[i].ai)
+			evutil_freeaddrinfo(a_out[i].ai);
+	}
+	if (port)
+		evdns_close_server_port(port);
+	if (dns_base)
+		evdns_base_free(dns_base, 0);
+}
+
+struct gaic_request_status {
+	int magic;
+	struct event_base *base;
+	struct evdns_base *dns_base;
+	struct evdns_getaddrinfo_request *request;
+	struct event cancel_event;
+	int canceled;
+};
+
+#define GAIC_MAGIC 0x1234abcd
+
+static int pending = 0;
+
+static void
+gaic_cancel_request_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct gaic_request_status *status = arg;
+
+	tt_assert(status->magic == GAIC_MAGIC);
+	status->canceled = 1;
+	evdns_getaddrinfo_cancel(status->request);
+	return;
+end:
+	event_base_loopexit(status->base, NULL);
+}
+
+static void
+gaic_server_cb(struct evdns_server_request *req, void *arg)
+{
+	ev_uint32_t answer = 0x7f000001;
+	tt_assert(req->nquestions);
+	evdns_server_request_add_a_reply(req, req->questions[0]->name, 1,
+	    &answer, 100);
+	evdns_server_request_respond(req, 0);
+	return;
+end:
+	evdns_server_request_respond(req, DNS_ERR_REFUSED);
+}
+
+
+static void
+gaic_getaddrinfo_cb(int result, struct evutil_addrinfo *res, void *arg)
+{
+	struct gaic_request_status *status = arg;
+	struct event_base *base = status->base;
+	tt_assert(status->magic == GAIC_MAGIC);
+
+	if (result == EVUTIL_EAI_CANCEL) {
+		tt_assert(status->canceled);
+	}
+	event_del(&status->cancel_event);
+
+	memset(status, 0xf0, sizeof(*status));
+	free(status);
+
+end:
+	if (--pending <= 0)
+		event_base_loopexit(base, NULL);
+}
+
+static void
+gaic_launch(struct event_base *base, struct evdns_base *dns_base)
+{
+	struct gaic_request_status *status = calloc(1,sizeof(*status));
+	struct timeval tv = { 0, 10000 };
+	status->magic = GAIC_MAGIC;
+	status->base = base;
+	status->dns_base = dns_base;
+	event_assign(&status->cancel_event, base, -1, 0, gaic_cancel_request_cb,
+	    status);
+	status->request = evdns_getaddrinfo(dns_base,
+	    "foobar.bazquux.example.com", "80", NULL, gaic_getaddrinfo_cb,
+	    status);
+	event_add(&status->cancel_event, &tv);
+	++pending;
+}
+
+#ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
+/* FIXME: We should move this to regress_main.c if anything else needs it.*/
+
+/* Trivial replacements for malloc/free/realloc to check for memory leaks.
+ * Not threadsafe. */
+static int allocated_chunks = 0;
+
+static void *
+cnt_malloc(size_t sz)
+{
+	allocated_chunks += 1;
+	return malloc(sz);
+}
+
+static void *
+cnt_realloc(void *old, size_t sz)
+{
+	if (!old)
+		allocated_chunks += 1;
+	if (!sz)
+		allocated_chunks -= 1;
+	return realloc(old, sz);
+}
+
+static void
+cnt_free(void *ptr)
+{
+	allocated_chunks -= 1;
+	free(ptr);
+}
+
+struct testleak_env_t {
+	struct event_base *base;
+	struct evdns_base *dns_base;
+	struct evdns_request *req;
+	struct generic_dns_callback_result r;
+};
+
+static void *
+testleak_setup(const struct testcase_t *testcase)
+{
+	struct testleak_env_t *env;
+
+	allocated_chunks = 0;
+
+	/* Reset allocation counter, to start allocations from the very beginning.
+	 * (this will avoid false-positive negative numbers for allocated_chunks)
+	 */
+	libevent_global_shutdown();
+
+	event_set_mem_functions(cnt_malloc, cnt_realloc, cnt_free);
+
+	event_enable_debug_mode();
+
+	/* not mm_calloc: we don't want to mess with the count. */
+	env = calloc(1, sizeof(struct testleak_env_t));
+	env->base = event_base_new();
+	env->dns_base = evdns_base_new(env->base, 0);
+	env->req = evdns_base_resolve_ipv4(
+		env->dns_base, "example.com", DNS_QUERY_NO_SEARCH,
+		generic_dns_callback, &env->r);
+	return env;
+}
+
+static int
+testleak_cleanup(const struct testcase_t *testcase, void *env_)
+{
+	int ok = 0;
+	struct testleak_env_t *env = env_;
+	tt_assert(env);
+#ifdef EVENT__DISABLE_DEBUG_MODE
+	tt_int_op(allocated_chunks, ==, 0);
+#else
+	libevent_global_shutdown();
+	tt_int_op(allocated_chunks, ==, 0);
+#endif
+	ok = 1;
+end:
+	if (env) {
+		if (env->dns_base)
+			evdns_base_free(env->dns_base, 0);
+		if (env->base)
+			event_base_free(env->base);
+		free(env);
+	}
+	return ok;
+}
+
+static struct testcase_setup_t testleak_funcs = {
+	testleak_setup, testleak_cleanup
+};
+
+static void
+test_dbg_leak_cancel(void *env_)
+{
+	/* cancel, loop, free/dns, free/base */
+	struct testleak_env_t *env = env_;
+	int send_err_shutdown = 1;
+	evdns_cancel_request(env->dns_base, env->req);
+	env->req = 0;
+
+	/* `req` is freed in callback, that's why one loop is required. */
+	event_base_loop(env->base, EVLOOP_NONBLOCK);
+
+	/* send_err_shutdown means nothing as soon as our request is
+	 * already canceled */
+	evdns_base_free(env->dns_base, send_err_shutdown);
+	env->dns_base = 0;
+	event_base_free(env->base);
+	env->base = 0;
+}
+
+static void
+dbg_leak_resume(void *env_, int cancel, int send_err_shutdown)
+{
+	/* cancel, loop, free/dns, free/base */
+	struct testleak_env_t *env = env_;
+	if (cancel) {
+		evdns_cancel_request(env->dns_base, env->req);
+		tt_assert(!evdns_base_resume(env->dns_base));
+	} else {
+		/* TODO: No nameservers, request can't be processed, must be errored */
+		tt_assert(!evdns_base_resume(env->dns_base));
+	}
+
+	event_base_loop(env->base, EVLOOP_NONBLOCK);
+	/**
+	 * Because we don't cancel request, and want our callback to recieve
+	 * DNS_ERR_SHUTDOWN, we use deferred callback, and there was:
+	 * - one extra malloc(),
+	 *   @see reply_schedule_callback()
+	 * - and one missing free
+	 *   @see request_finished() (req->handle->pending_cb = 1)
+	 * than we don't need to count in testleak_cleanup(), but we can clean them
+	 * if we will run loop once again, but *after* evdns base freed.
+	 */
+	evdns_base_free(env->dns_base, send_err_shutdown);
+	env->dns_base = 0;
+	event_base_loop(env->base, EVLOOP_NONBLOCK);
+
+end:
+	event_base_free(env->base);
+	env->base = 0;
+}
+
+#define IMPL_DBG_LEAK_RESUME(name, cancel, send_err_shutdown)      \
+	static void                                                    \
+	test_dbg_leak_##name##_(void *env_)                            \
+	{                                                              \
+		dbg_leak_resume(env_, cancel, send_err_shutdown);          \
+	}
+IMPL_DBG_LEAK_RESUME(resume, 0, 0)
+IMPL_DBG_LEAK_RESUME(cancel_and_resume, 1, 0)
+IMPL_DBG_LEAK_RESUME(resume_send_err, 0, 1)
+IMPL_DBG_LEAK_RESUME(cancel_and_resume_send_err, 1, 1)
+
+static void
+test_dbg_leak_shutdown(void *env_)
+{
+	/* free/dns, loop, free/base */
+	struct testleak_env_t *env = env_;
+	int send_err_shutdown = 1;
+
+	/* `req` is freed both with `send_err_shutdown` and without it,
+	 * the only difference is `evdns_callback` call */
+	env->req = 0;
+
+	evdns_base_free(env->dns_base, send_err_shutdown);
+	env->dns_base = 0;
+
+	/* `req` is freed in callback, that's why one loop is required */
+	event_base_loop(env->base, EVLOOP_NONBLOCK);
+	event_base_free(env->base);
+	env->base = 0;
+}
+#endif
+
+static void
+test_getaddrinfo_async_cancel_stress(void *ptr)
+{
+	struct event_base *base;
+	struct evdns_base *dns_base = NULL;
+	struct evdns_server_port *server = NULL;
+	evutil_socket_t fd = -1;
+	struct sockaddr_in sin;
+	struct sockaddr_storage ss;
+	ev_socklen_t slen;
+	int i;
+
+	base = event_base_new();
+	dns_base = evdns_base_new(base, 0);
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_port = 0;
+	sin.sin_addr.s_addr = htonl(0x7f000001);
+	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		tt_abort_perror("socket");
+	}
+	evutil_make_socket_nonblocking(fd);
+	if (bind(fd, (struct sockaddr*)&sin, sizeof(sin))<0) {
+		tt_abort_perror("bind");
+	}
+	server = evdns_add_server_port_with_base(base, fd, 0, gaic_server_cb,
+	    base);
+
+	memset(&ss, 0, sizeof(ss));
+	slen = sizeof(ss);
+	if (getsockname(fd, (struct sockaddr*)&ss, &slen)<0) {
+		tt_abort_perror("getsockname");
+	}
+	evdns_base_nameserver_sockaddr_add(dns_base,
+	    (struct sockaddr*)&ss, slen, 0);
+
+	for (i = 0; i < 1000; ++i) {
+		gaic_launch(base, dns_base);
+	}
+
+	event_base_dispatch(base);
+
+end:
+	if (dns_base)
+		evdns_base_free(dns_base, 1);
+	if (server)
+		evdns_close_server_port(server);
+	if (base)
+		event_base_free(base);
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static void
+dns_client_fail_requests_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+	struct evdns_server_port *dns_port = NULL;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+
+	struct generic_dns_callback_result r[20];
+	int i;
+
+	dns_port = regress_get_dnsserver(base, &portnum, NULL,
+		regress_dns_server_cb, reissue_table);
+	tt_assert(dns_port);
+
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+
+	for (i = 0; i < 20; ++i)
+		evdns_base_resolve_ipv4(dns, "foof.example.com", 0, generic_dns_callback, &r[i]);
+
+	n_replies_left = 20;
+	exit_base = base;
+
+	evdns_base_free(dns, 1 /** fail requests */);
+	/** run defered callbacks, to trigger UAF */
+	event_base_dispatch(base);
+
+	tt_int_op(n_replies_left, ==, 0);
+	for (i = 0; i < 20; ++i)
+		tt_int_op(r[i].result, ==, DNS_ERR_SHUTDOWN);
+
+end:
+	evdns_close_server_port(dns_port);
+}
+
+static void
+getaddrinfo_cb(int err, struct evutil_addrinfo *res, void *ptr)
+{
+	generic_dns_callback(err, 0, 0, 0, NULL, ptr);
+}
+static void
+dns_client_fail_requests_getaddrinfo_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evdns_base *dns = NULL;
+	struct evdns_server_port *dns_port = NULL;
+	ev_uint16_t portnum = 0;
+	char buf[64];
+
+	struct generic_dns_callback_result r[20];
+	int i;
+
+	dns_port = regress_get_dnsserver(base, &portnum, NULL,
+		regress_dns_server_cb, reissue_table);
+	tt_assert(dns_port);
+
+	evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
+
+	dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
+	tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
+
+	for (i = 0; i < 20; ++i)
+		tt_assert(evdns_getaddrinfo(dns, "foof.example.com", "ssh", NULL, getaddrinfo_cb, &r[i]));
+
+	n_replies_left = 20;
+	exit_base = base;
+
+	evdns_base_free(dns, 1 /** fail requests */);
+	/** run defered callbacks, to trigger UAF */
+	event_base_dispatch(base);
+
+	tt_int_op(n_replies_left, ==, 0);
+	for (i = 0; i < 20; ++i)
+		tt_int_op(r[i].result, ==, EVUTIL_EAI_FAIL);
+
+end:
+	evdns_close_server_port(dns_port);
+}
+
+
+#define DNS_LEGACY(name, flags)					       \
+	{ #name, run_legacy_test_fn, flags|TT_LEGACY, &legacy_setup,   \
+		    dns_##name }
+
+struct testcase_t dns_testcases[] = {
+	DNS_LEGACY(server, TT_FORK|TT_NEED_BASE),
+	DNS_LEGACY(gethostbyname, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT),
+	DNS_LEGACY(gethostbyname6, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT),
+	DNS_LEGACY(gethostbyaddr, TT_FORK|TT_NEED_BASE|TT_NEED_DNS|TT_OFF_BY_DEFAULT),
+	{ "resolve_reverse", dns_resolve_reverse, TT_FORK|TT_OFF_BY_DEFAULT, NULL, NULL },
+	{ "search_empty", dns_search_empty_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "search", dns_search_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "search_lower", dns_search_lower_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "search_cancel", dns_search_cancel_test,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "retry", dns_retry_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL },
+	{ "retry_disable_when_inactive", dns_retry_disable_when_inactive_test,
+	  TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL },
+	{ "reissue", dns_reissue_test, TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL },
+	{ "reissue_disable_when_inactive", dns_reissue_disable_when_inactive_test,
+	  TT_FORK|TT_NEED_BASE|TT_NO_LOGS, &basic_setup, NULL },
+	{ "inflight", dns_inflight_test, TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "bufferevent_connect_hostname", test_bufferevent_connect_hostname,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "disable_when_inactive", dns_disable_when_inactive_test,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "disable_when_inactive_no_ns", dns_disable_when_inactive_no_ns_test,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+
+	{ "getaddrinfo_async", test_getaddrinfo_async,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, (char*)"" },
+	{ "getaddrinfo_cancel_stress", test_getaddrinfo_async_cancel_stress,
+	  TT_FORK, NULL, NULL },
+
+#ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
+	{ "leak_shutdown", test_dbg_leak_shutdown, TT_FORK, &testleak_funcs, NULL },
+	{ "leak_cancel", test_dbg_leak_cancel, TT_FORK, &testleak_funcs, NULL },
+
+	{ "leak_resume", test_dbg_leak_resume_, TT_FORK, &testleak_funcs, NULL },
+	{ "leak_cancel_and_resume", test_dbg_leak_cancel_and_resume_,
+	  TT_FORK, &testleak_funcs, NULL },
+	{ "leak_resume_send_err", test_dbg_leak_resume_send_err_,
+	  TT_FORK, &testleak_funcs, NULL },
+	{ "leak_cancel_and_resume_send_err", test_dbg_leak_cancel_and_resume_send_err_,
+	  TT_FORK, &testleak_funcs, NULL },
+#endif
+
+	{ "client_fail_requests", dns_client_fail_requests_test,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "client_fail_requests_getaddrinfo",
+	  dns_client_fail_requests_getaddrinfo_test,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+
+	END_OF_TESTCASES
+};
+
diff --git a/test/regress_et.c b/test/regress_et.c
new file mode 100644
index 0000000..f75c59b
--- /dev/null
+++ b/test/regress_et.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifndef _WIN32
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/util.h"
+
+#include "regress.h"
+
+static int was_et = 0;
+
+static void
+read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf;
+	int len;
+
+	len = recv(fd, &buf, sizeof(buf), 0);
+
+	called++;
+	if (event & EV_ET)
+		was_et = 1;
+
+	if (!len)
+		event_del(arg);
+}
+
+#ifdef _WIN32
+#define LOCAL_SOCKETPAIR_AF AF_INET
+#else
+#define LOCAL_SOCKETPAIR_AF AF_UNIX
+#endif
+
+static void
+test_edgetriggered(void *et)
+{
+	struct event *ev = NULL;
+	struct event_base *base = NULL;
+	const char *test = "test string";
+	evutil_socket_t pair[2] = {-1,-1};
+	int supports_et;
+
+	/* On Linux 3.2.1 (at least, as patched by Fedora and tested by Nick),
+	 * doing a "recv" on an AF_UNIX socket resets the readability of the
+	 * socket, even though there is no state change, so we don't actually
+	 * get edge-triggered behavior.  Yuck!  Linux 3.1.9 didn't have this
+	 * problem.
+	 */
+#ifdef __linux__
+	if (evutil_ersatz_socketpair_(AF_INET, SOCK_STREAM, 0, pair) == -1) {
+		tt_abort_perror("socketpair");
+	}
+#else
+	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair) == -1) {
+		tt_abort_perror("socketpair");
+	}
+#endif
+
+	called = was_et = 0;
+
+	tt_int_op(send(pair[0], test, (int)strlen(test)+1, 0), >, 0);
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	/* Initalize the event library */
+	base = event_base_new();
+
+	if (!strcmp(event_base_get_method(base), "epoll") ||
+	    !strcmp(event_base_get_method(base), "epoll (with changelist)") ||
+	    !strcmp(event_base_get_method(base), "kqueue"))
+		supports_et = 1;
+	else
+		supports_et = 0;
+
+	TT_BLATHER(("Checking for edge-triggered events with %s, which should %s"
+				"support edge-triggering", event_base_get_method(base),
+				supports_et?"":"not "));
+
+	/* Initalize one event */
+	ev = event_new(base, pair[1], EV_READ|EV_ET|EV_PERSIST, read_cb, &ev);
+
+	event_add(ev, NULL);
+
+	/* We're going to call the dispatch function twice.  The first invocation
+	 * will read a single byte from pair[1] in either case.  If we're edge
+	 * triggered, we'll only see the event once (since we only see transitions
+	 * from no data to data), so the second invocation of event_base_loop will
+	 * do nothing.  If we're level triggered, the second invocation of
+	 * event_base_loop will also activate the event (because there's still
+	 * data to read). */
+	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);
+	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);
+
+	if (supports_et) {
+		tt_int_op(called, ==, 1);
+		tt_assert(was_et);
+	} else {
+		tt_int_op(called, ==, 2);
+		tt_assert(!was_et);
+	}
+
+ end:
+	if (ev) {
+		event_del(ev);
+		event_free(ev);
+	}
+	if (base)
+		event_base_free(base);
+	evutil_closesocket(pair[0]);
+	evutil_closesocket(pair[1]);
+}
+
+static void
+test_edgetriggered_mix_error(void *data_)
+{
+	struct basic_test_data *data = data_;
+	struct event_base *base = NULL;
+	struct event *ev_et=NULL, *ev_lt=NULL;
+
+#ifdef EVENT__DISABLE_DEBUG_MODE
+	if (1)
+		tt_skip();
+#endif
+
+	if (!libevent_tests_running_in_debug_mode)
+		event_enable_debug_mode();
+
+	base = event_base_new();
+
+	/* try mixing edge-triggered and level-triggered to make sure it fails*/
+	ev_et = event_new(base, data->pair[0], EV_READ|EV_ET, read_cb, ev_et);
+	tt_assert(ev_et);
+	ev_lt = event_new(base, data->pair[0], EV_READ, read_cb, ev_lt);
+	tt_assert(ev_lt);
+
+	/* Add edge-triggered, then level-triggered.  Get an error. */
+	tt_int_op(0, ==, event_add(ev_et, NULL));
+	tt_int_op(-1, ==, event_add(ev_lt, NULL));
+	tt_int_op(EV_READ, ==, event_pending(ev_et, EV_READ, NULL));
+	tt_int_op(0, ==, event_pending(ev_lt, EV_READ, NULL));
+
+	tt_int_op(0, ==, event_del(ev_et));
+	/* Add level-triggered, then edge-triggered.  Get an error. */
+	tt_int_op(0, ==, event_add(ev_lt, NULL));
+	tt_int_op(-1, ==, event_add(ev_et, NULL));
+	tt_int_op(EV_READ, ==, event_pending(ev_lt, EV_READ, NULL));
+	tt_int_op(0, ==, event_pending(ev_et, EV_READ, NULL));
+
+end:
+	if (ev_et)
+		event_free(ev_et);
+	if (ev_lt)
+		event_free(ev_lt);
+	if (base)
+		event_base_free(base);
+}
+
+struct testcase_t edgetriggered_testcases[] = {
+	{ "et", test_edgetriggered, TT_FORK, NULL, NULL },
+	{ "et_mix_error", test_edgetriggered_mix_error,
+	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NO_LOGS, &basic_setup, NULL },
+	END_OF_TESTCASES
+};
diff --git a/test/regress_finalize.c b/test/regress_finalize.c
new file mode 100644
index 0000000..552210f
--- /dev/null
+++ b/test/regress_finalize.c
@@ -0,0 +1,347 @@
+/*
+ * Copyright (c) 2013 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+#include <stdlib.h>
+
+#include "event2/event.h"
+#include "event2/util.h"
+#include "event-internal.h"
+#include "defer-internal.h"
+
+#include "regress.h"
+#include "regress_thread.h"
+
+static void
+timer_callback(evutil_socket_t fd, short what, void *arg)
+{
+	int *int_arg = arg;
+	*int_arg += 1;
+	(void)fd;
+	(void)what;
+}
+static void
+simple_callback(struct event_callback *evcb, void *arg)
+{
+	int *int_arg = arg;
+        *int_arg += 1;
+	(void)evcb;
+}
+static void
+event_finalize_callback_1(struct event *ev, void *arg)
+{
+	int *int_arg = arg;
+        *int_arg += 100;
+	(void)ev;
+}
+static void
+callback_finalize_callback_1(struct event_callback *evcb, void *arg)
+{
+	int *int_arg = arg;
+        *int_arg += 100;
+	(void)evcb;
+}
+
+
+static void
+test_fin_cb_invoked(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+
+	struct event *ev;
+	struct event ev2;
+	struct event_callback evcb;
+	int cb_called = 0;
+	int ev_called = 0;
+
+	const struct timeval ten_sec = {10,0};
+
+	event_deferred_cb_init_(&evcb, 0, simple_callback, &cb_called);
+	ev = evtimer_new(base, timer_callback, &ev_called);
+	/* Just finalize them; don't bother adding. */
+	event_free_finalize(0, ev, event_finalize_callback_1);
+	event_callback_finalize_(base, 0, &evcb, callback_finalize_callback_1);
+
+	event_base_dispatch(base);
+
+	tt_int_op(cb_called, ==, 100);
+	tt_int_op(ev_called, ==, 100);
+
+	ev_called = cb_called = 0;
+	event_base_assert_ok_(base);
+
+	/* Now try it when they're active. (actually, don't finalize: make
+	 * sure activation can happen! */
+	ev = evtimer_new(base, timer_callback, &ev_called);
+	event_deferred_cb_init_(&evcb, 0, simple_callback, &cb_called);
+
+	event_active(ev, EV_TIMEOUT, 1);
+	event_callback_activate_(base, &evcb);
+
+	event_base_dispatch(base);
+	tt_int_op(cb_called, ==, 1);
+	tt_int_op(ev_called, ==, 1);
+
+	ev_called = cb_called = 0;
+	event_base_assert_ok_(base);
+
+	/* Great, it worked. Now activate and finalize and make sure only
+	 * finalizing happens. */
+	event_active(ev, EV_TIMEOUT, 1);
+	event_callback_activate_(base, &evcb);
+	event_free_finalize(0, ev, event_finalize_callback_1);
+	event_callback_finalize_(base, 0, &evcb, callback_finalize_callback_1);
+
+	event_base_dispatch(base);
+	tt_int_op(cb_called, ==, 100);
+	tt_int_op(ev_called, ==, 100);
+
+	ev_called = 0;
+
+	event_base_assert_ok_(base);
+
+	/* Okay, now add but don't have it become active, and make sure *that*
+	 * works. */
+	ev = evtimer_new(base, timer_callback, &ev_called);
+	event_add(ev, &ten_sec);
+	event_free_finalize(0, ev, event_finalize_callback_1);
+
+	event_base_dispatch(base);
+	tt_int_op(ev_called, ==, 100);
+
+	ev_called = 0;
+	event_base_assert_ok_(base);
+
+	/* Now try adding and deleting after finalizing. */
+	ev = evtimer_new(base, timer_callback, &ev_called);
+	evtimer_assign(&ev2, base, timer_callback, &ev_called);
+	event_add(ev, &ten_sec);
+	event_free_finalize(0, ev, event_finalize_callback_1);
+	event_finalize(0, &ev2, event_finalize_callback_1);
+
+	event_add(&ev2, &ten_sec);
+	event_del(ev);
+	event_active(&ev2, EV_TIMEOUT, 1);
+
+	event_base_dispatch(base);
+	tt_int_op(ev_called, ==, 200);
+
+	event_base_assert_ok_(base);
+
+end:
+	;
+}
+
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+static void *
+tfff_malloc(size_t n)
+{
+	return malloc(n);
+}
+static void *tfff_p1=NULL, *tfff_p2=NULL;
+static int tfff_p1_freed=0, tfff_p2_freed=0;
+static void
+tfff_free(void *p)
+{
+	if (! p)
+		return;
+	if (p == tfff_p1)
+		++tfff_p1_freed;
+	if (p == tfff_p2)
+		++tfff_p2_freed;
+	free(p);
+}
+static void *
+tfff_realloc(void *p, size_t sz)
+{
+	return realloc(p,sz);
+}
+#endif
+
+static void
+test_fin_free_finalize(void *arg)
+{
+#ifdef EVENT__DISABLE_MM_REPLACEMENT
+	tinytest_set_test_skipped_();
+#else
+	struct event_base *base = NULL;
+	struct event *ev, *ev2;
+	int ev_called = 0;
+	int ev2_called = 0;
+
+	(void)arg;
+
+	event_set_mem_functions(tfff_malloc, tfff_realloc, tfff_free);
+
+	base = event_base_new();
+	tt_assert(base);
+
+	ev = evtimer_new(base, timer_callback, &ev_called);
+	ev2 = evtimer_new(base, timer_callback, &ev2_called);
+	tfff_p1 = ev;
+	tfff_p2 = ev2;
+	event_free_finalize(0, ev, event_finalize_callback_1);
+	event_finalize(0, ev2, event_finalize_callback_1);
+
+	event_base_dispatch(base);
+
+	tt_int_op(ev_called, ==, 100);
+	tt_int_op(ev2_called, ==, 100);
+
+	event_base_assert_ok_(base);
+	tt_int_op(tfff_p1_freed, ==, 1);
+	tt_int_op(tfff_p2_freed, ==, 0);
+
+	event_free(ev2);
+
+end:
+	if (base)
+		event_base_free(base);
+#endif
+}
+
+/* For test_fin_within_cb */
+struct event_and_count {
+	struct event *ev;
+	struct event *ev2;
+	int count;
+};
+static void
+event_finalize_callback_2(struct event *ev, void *arg)
+{
+	struct event_and_count *evc = arg;
+	evc->count += 100;
+	event_free(ev);
+}
+static void
+timer_callback_2(evutil_socket_t fd, short what, void *arg)
+{
+	struct event_and_count *evc = arg;
+	event_finalize(0, evc->ev, event_finalize_callback_2);
+	event_finalize(0, evc->ev2, event_finalize_callback_2);
+	++ evc->count;
+	(void)fd;
+	(void)what;
+}
+
+static void
+test_fin_within_cb(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+
+	struct event_and_count evc1, evc2;
+	evc1.count = evc2.count = 0;
+	evc2.ev2 = evc1.ev = evtimer_new(base, timer_callback_2, &evc1);
+	evc1.ev2 = evc2.ev = evtimer_new(base, timer_callback_2, &evc2);
+
+	/* Activate both.  The first one will have its callback run, which
+	 * will finalize both of them, preventing the second one's callback
+	 * from running. */
+	event_active(evc1.ev, EV_TIMEOUT, 1);
+	event_active(evc2.ev, EV_TIMEOUT, 1);
+
+	event_base_dispatch(base);
+	tt_int_op(evc1.count, ==, 101);
+	tt_int_op(evc2.count, ==, 100);
+
+	event_base_assert_ok_(base);
+	/* Now try with EV_PERSIST events. */
+	evc1.count = evc2.count = 0;
+	evc2.ev2 = evc1.ev = event_new(base, -1, EV_PERSIST, timer_callback_2, &evc1);
+	evc1.ev2 = evc2.ev = event_new(base, -1, EV_PERSIST, timer_callback_2, &evc2);
+
+	event_active(evc1.ev, EV_TIMEOUT, 1);
+	event_active(evc2.ev, EV_TIMEOUT, 1);
+
+	event_base_dispatch(base);
+	tt_int_op(evc1.count, ==, 101);
+	tt_int_op(evc2.count, ==, 100);
+
+	event_base_assert_ok_(base);
+end:
+	;
+}
+
+#if 0
+static void
+timer_callback_3(evutil_socket_t *fd, short what, void *arg)
+{
+	(void)fd;
+	(void)what;
+
+}
+static void
+test_fin_many(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+
+	struct event *ev1, *ev2;
+	struct event_callback evcb1, evcb2;
+	int ev1_count = 0, ev2_count = 0;
+	int evcb1_count = 0, evcb2_count = 0;
+	struct event_callback *array[4];
+
+	int n;
+
+	/* First attempt: call finalize_many with no events running */
+	ev1 = evtimer_new(base, timer_callback, &ev1_count);
+	ev1 = evtimer_new(base, timer_callback, &ev2_count);
+	event_deferred_cb_init_(&evcb1, 0, simple_callback, &evcb1_called);
+	event_deferred_cb_init_(&evcb2, 0, simple_callback, &evcb2_called);
+	array[0] = &ev1->ev_evcallback;
+	array[1] = &ev2->ev_evcallback;
+	array[2] = &evcb1;
+	array[3] = &evcb2;
+
+	
+
+	n = event_callback_finalize_many(base, 4, array,
+	    callback_finalize_callback_1);
+
+}
+#endif
+
+
+#define TEST(name, flags)					\
+	{ #name, test_fin_##name, (flags), &basic_setup, NULL }
+
+struct testcase_t finalize_testcases[] = {
+
+	TEST(cb_invoked, TT_FORK|TT_NEED_BASE),
+	TEST(free_finalize, TT_FORK),
+	TEST(within_cb, TT_FORK|TT_NEED_BASE),
+//	TEST(many, TT_FORK|TT_NEED_BASE),
+
+
+	END_OF_TESTCASES
+};
+
diff --git a/test/regress_http.c b/test/regress_http.c
new file mode 100644
index 0000000..8010050
--- /dev/null
+++ b/test/regress_http.c
@@ -0,0 +1,4654 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/dns.h"
+
+#include "event2/event.h"
+#include "event2/http.h"
+#include "event2/buffer.h"
+#include "event2/bufferevent.h"
+#include "event2/bufferevent_ssl.h"
+#include "event2/util.h"
+#include "event2/listener.h"
+#include "log-internal.h"
+#include "http-internal.h"
+#include "regress.h"
+#include "regress_testutils.h"
+
+/* set if a test needs to call loopexit on a base */
+static struct event_base *exit_base;
+
+static char const BASIC_REQUEST_BODY[] = "This is funny";
+
+static void http_basic_cb(struct evhttp_request *req, void *arg);
+static void http_large_cb(struct evhttp_request *req, void *arg);
+static void http_chunked_cb(struct evhttp_request *req, void *arg);
+static void http_post_cb(struct evhttp_request *req, void *arg);
+static void http_put_cb(struct evhttp_request *req, void *arg);
+static void http_delete_cb(struct evhttp_request *req, void *arg);
+static void http_delay_cb(struct evhttp_request *req, void *arg);
+static void http_large_delay_cb(struct evhttp_request *req, void *arg);
+static void http_badreq_cb(struct evhttp_request *req, void *arg);
+static void http_dispatcher_cb(struct evhttp_request *req, void *arg);
+static void http_on_complete_cb(struct evhttp_request *req, void *arg);
+
+#define HTTP_BIND_IPV6 1
+#define HTTP_BIND_SSL 2
+#define HTTP_SSL_FILTER 4
+static int
+http_bind(struct evhttp *myhttp, ev_uint16_t *pport, int mask)
+{
+	int port;
+	struct evhttp_bound_socket *sock;
+	int ipv6 = mask & HTTP_BIND_IPV6;
+
+	if (ipv6)
+		sock = evhttp_bind_socket_with_handle(myhttp, "::1", *pport);
+	else
+		sock = evhttp_bind_socket_with_handle(myhttp, "127.0.0.1", *pport);
+
+	if (sock == NULL) {
+		if (ipv6)
+			return -1;
+		else
+			event_errx(1, "Could not start web server");
+	}
+
+	port = regress_get_socket_port(evhttp_bound_socket_get_fd(sock));
+	if (port < 0)
+		return -1;
+	*pport = (ev_uint16_t) port;
+
+	return 0;
+}
+
+#ifdef EVENT__HAVE_OPENSSL
+static struct bufferevent *
+https_bev(struct event_base *base, void *arg)
+{
+	SSL *ssl = SSL_new(get_ssl_ctx());
+
+	SSL_use_certificate(ssl, ssl_getcert());
+	SSL_use_PrivateKey(ssl, ssl_getkey());
+
+	return bufferevent_openssl_socket_new(
+		base, -1, ssl, BUFFEREVENT_SSL_ACCEPTING,
+		BEV_OPT_CLOSE_ON_FREE);
+}
+#endif
+static struct evhttp *
+http_setup(ev_uint16_t *pport, struct event_base *base, int mask)
+{
+	struct evhttp *myhttp;
+
+	/* Try a few different ports */
+	myhttp = evhttp_new(base);
+
+	if (http_bind(myhttp, pport, mask) < 0)
+		return NULL;
+#ifdef EVENT__HAVE_OPENSSL
+	if (mask & HTTP_BIND_SSL) {
+		init_ssl();
+		evhttp_set_bevcb(myhttp, https_bev, NULL);
+	}
+#endif
+
+	/* Register a callback for certain types of requests */
+	evhttp_set_cb(myhttp, "/test", http_basic_cb, myhttp);
+	evhttp_set_cb(myhttp, "/large", http_large_cb, base);
+	evhttp_set_cb(myhttp, "/chunked", http_chunked_cb, base);
+	evhttp_set_cb(myhttp, "/streamed", http_chunked_cb, base);
+	evhttp_set_cb(myhttp, "/postit", http_post_cb, base);
+	evhttp_set_cb(myhttp, "/putit", http_put_cb, base);
+	evhttp_set_cb(myhttp, "/deleteit", http_delete_cb, base);
+	evhttp_set_cb(myhttp, "/delay", http_delay_cb, base);
+	evhttp_set_cb(myhttp, "/largedelay", http_large_delay_cb, base);
+	evhttp_set_cb(myhttp, "/badrequest", http_badreq_cb, base);
+	evhttp_set_cb(myhttp, "/oncomplete", http_on_complete_cb, base);
+	evhttp_set_cb(myhttp, "/", http_dispatcher_cb, base);
+	return (myhttp);
+}
+
+#ifndef NI_MAXSERV
+#define NI_MAXSERV 1024
+#endif
+
+static evutil_socket_t
+http_connect(const char *address, ev_uint16_t port)
+{
+	/* Stupid code for connecting */
+	struct evutil_addrinfo ai, *aitop;
+	char strport[NI_MAXSERV];
+
+	struct sockaddr *sa;
+	int slen;
+	evutil_socket_t fd;
+
+	memset(&ai, 0, sizeof(ai));
+	ai.ai_family = AF_INET;
+	ai.ai_socktype = SOCK_STREAM;
+	evutil_snprintf(strport, sizeof(strport), "%d", port);
+	if (evutil_getaddrinfo(address, strport, &ai, &aitop) != 0) {
+		event_warn("getaddrinfo");
+		return (-1);
+	}
+	sa = aitop->ai_addr;
+	slen = aitop->ai_addrlen;
+
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if (fd == -1)
+		event_err(1, "socket failed");
+
+	evutil_make_socket_nonblocking(fd);
+	if (connect(fd, sa, slen) == -1) {
+#ifdef _WIN32
+		int tmp_err = WSAGetLastError();
+		if (tmp_err != WSAEINPROGRESS && tmp_err != WSAEINVAL &&
+		    tmp_err != WSAEWOULDBLOCK)
+			event_err(1, "connect failed");
+#else
+		if (errno != EINPROGRESS)
+			event_err(1, "connect failed");
+#endif
+	}
+
+	evutil_freeaddrinfo(aitop);
+
+	return (fd);
+}
+
+/* Helper: do a strcmp on the contents of buf and the string s. */
+static int
+evbuffer_datacmp(struct evbuffer *buf, const char *s)
+{
+	size_t b_sz = evbuffer_get_length(buf);
+	size_t s_sz = strlen(s);
+	unsigned char *d;
+	int r;
+
+	if (b_sz < s_sz)
+		return -1;
+
+	d = evbuffer_pullup(buf, s_sz);
+	if ((r = memcmp(d, s, s_sz)))
+		return r;
+
+	if (b_sz > s_sz)
+		return 1;
+	else
+		return 0;
+}
+
+/* Helper: Return true iff buf contains s */
+static int
+evbuffer_contains(struct evbuffer *buf, const char *s)
+{
+	struct evbuffer_ptr ptr;
+	ptr = evbuffer_search(buf, s, strlen(s), NULL);
+	return ptr.pos != -1;
+}
+
+static void
+http_readcb(struct bufferevent *bev, void *arg)
+{
+	const char *what = BASIC_REQUEST_BODY;
+	struct event_base *my_base = arg;
+
+	if (evbuffer_contains(bufferevent_get_input(bev), what)) {
+		struct evhttp_request *req = evhttp_request_new(NULL, NULL);
+		enum message_read_status done;
+
+		/* req->kind = EVHTTP_RESPONSE; */
+		done = evhttp_parse_firstline_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		done = evhttp_parse_headers_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		if (done == 1 &&
+		    evhttp_find_header(evhttp_request_get_input_headers(req),
+			"Content-Type") != NULL)
+			test_ok++;
+
+	 out:
+		evhttp_request_free(req);
+		bufferevent_disable(bev, EV_READ);
+		if (exit_base)
+			event_base_loopexit(exit_base, NULL);
+		else if (my_base)
+			event_base_loopexit(my_base, NULL);
+		else {
+			fprintf(stderr, "No way to exit loop!\n");
+			exit(1);
+		}
+	}
+}
+
+static void
+http_writecb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
+		/* enable reading of the reply */
+		bufferevent_enable(bev, EV_READ);
+		test_ok++;
+	}
+}
+
+static void
+http_errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	/** For ssl */
+	if (what & BEV_EVENT_CONNECTED)
+		return;
+	test_ok = -2;
+	event_base_loopexit(arg, NULL);
+}
+
+static int found_multi = 0;
+static int found_multi2 = 0;
+
+static void
+http_basic_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+	struct evhttp_connection *evcon;
+	int empty = evhttp_find_header(evhttp_request_get_input_headers(req), "Empty") != NULL;
+	event_debug(("%s: called\n", __func__));
+	evbuffer_add_printf(evb, BASIC_REQUEST_BODY);
+
+	evcon = evhttp_request_get_connection(req);
+	tt_assert(evhttp_connection_get_server(evcon) == arg);
+
+	/* For multi-line headers test */
+	{
+		const char *multi =
+		    evhttp_find_header(evhttp_request_get_input_headers(req),"X-Multi");
+		if (multi) {
+			found_multi = !strcmp(multi,"aaaaaaaa a END");
+			if (strcmp("END", multi + strlen(multi) - 3) == 0)
+				test_ok++;
+			if (evhttp_find_header(evhttp_request_get_input_headers(req), "X-Last"))
+				test_ok++;
+		}
+	}
+	{
+		const char *multi2 =
+		    evhttp_find_header(evhttp_request_get_input_headers(req),"X-Multi-Extra-WS");
+		if (multi2) {
+			found_multi2 = !strcmp(multi2,"libevent 2.1");
+		}
+	}
+
+
+	/* injecting a bad content-length */
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "X-Negative"))
+		evhttp_add_header(evhttp_request_get_output_headers(req),
+		    "Content-Length", "-100");
+
+	/* allow sending of an empty reply */
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine",
+	    !empty ? evb : NULL);
+
+end:
+	evbuffer_free(evb);
+}
+
+static void
+http_large_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+	int i;
+
+	for (i = 0; i < 1<<20; ++i) {
+		evbuffer_add_printf(evb, BASIC_REQUEST_BODY);
+	}
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+	evbuffer_free(evb);
+}
+
+static char const* const CHUNKS[] = {
+	"This is funny",
+	"but not hilarious.",
+	"bwv 1052"
+};
+
+struct chunk_req_state {
+	struct event_base *base;
+	struct evhttp_request *req;
+	int i;
+};
+
+static void
+http_chunked_trickle_cb(evutil_socket_t fd, short events, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+	struct chunk_req_state *state = arg;
+	struct timeval when = { 0, 0 };
+
+	evbuffer_add_printf(evb, "%s", CHUNKS[state->i]);
+	evhttp_send_reply_chunk(state->req, evb);
+	evbuffer_free(evb);
+
+	if (++state->i < (int) (sizeof(CHUNKS)/sizeof(CHUNKS[0]))) {
+		event_base_once(state->base, -1, EV_TIMEOUT,
+		    http_chunked_trickle_cb, state, &when);
+	} else {
+		evhttp_send_reply_end(state->req);
+		free(state);
+	}
+}
+
+static void
+http_chunked_cb(struct evhttp_request *req, void *arg)
+{
+	struct timeval when = { 0, 0 };
+	struct chunk_req_state *state = malloc(sizeof(struct chunk_req_state));
+	event_debug(("%s: called\n", __func__));
+
+	memset(state, 0, sizeof(struct chunk_req_state));
+	state->req = req;
+	state->base = arg;
+
+	if (strcmp(evhttp_request_get_uri(req), "/streamed") == 0) {
+		evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Length", "39");
+	}
+
+	/* generate a chunked/streamed reply */
+	evhttp_send_reply_start(req, HTTP_OK, "Everything is fine");
+
+	/* but trickle it across several iterations to ensure we're not
+	 * assuming it comes all at once */
+	event_base_once(arg, -1, EV_TIMEOUT, http_chunked_trickle_cb, state, &when);
+}
+
+static void
+http_complete_write(evutil_socket_t fd, short what, void *arg)
+{
+	struct bufferevent *bev = arg;
+	const char *http_request = "host\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+	bufferevent_write(bev, http_request, strlen(http_request));
+}
+
+static struct bufferevent *
+create_bev(struct event_base *base, int fd, int ssl_mask)
+{
+	int flags = BEV_OPT_DEFER_CALLBACKS;
+	struct bufferevent *bev = NULL;
+
+	if (!ssl_mask) {
+		bev = bufferevent_socket_new(base, fd, flags);
+	} else {
+#ifdef EVENT__HAVE_OPENSSL
+		SSL *ssl = SSL_new(get_ssl_ctx());
+		if (ssl_mask & HTTP_SSL_FILTER) {
+			struct bufferevent *underlying =
+				bufferevent_socket_new(base, fd, flags);
+			bev = bufferevent_openssl_filter_new(
+				base, underlying, ssl, BUFFEREVENT_SSL_CONNECTING, flags);
+		} else {
+			bev = bufferevent_openssl_socket_new(
+				base, fd, ssl, BUFFEREVENT_SSL_CONNECTING, flags);
+		}
+		bufferevent_openssl_set_allow_dirty_shutdown(bev, 1);
+#endif
+	}
+
+	return bev;
+}
+
+static void
+http_basic_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	struct timeval tv;
+	struct bufferevent *bev = NULL;
+	evutil_socket_t fd;
+	const char *http_request;
+	ev_uint16_t port = 0, port2 = 0;
+	int server_flags = ssl ? HTTP_BIND_SSL : 0;
+	struct evhttp *http = http_setup(&port, data->base, server_flags);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	/* bind to a second socket */
+	if (http_bind(http, &port2, server_flags) == -1) {
+		fprintf(stdout, "FAILED (bind)\n");
+		exit(1);
+	}
+
+	fd = http_connect("127.0.0.1", port);
+
+	/* Stupid thing to send a request */
+	bev = create_bev(data->base, fd, ssl);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	/* first half of the http request */
+	http_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: some";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+	evutil_timerclear(&tv);
+	tv.tv_usec = 100000;
+	event_base_once(data->base,
+	    -1, EV_TIMEOUT, http_complete_write, bev, &tv);
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 3);
+
+	/* connect to the second port */
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+
+	fd = http_connect("127.0.0.1", port2);
+
+	/* Stupid thing to send a request */
+	bev = create_bev(data->base, fd, ssl);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 5);
+
+	/* Connect to the second port again. This time, send an absolute uri. */
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+
+	fd = http_connect("127.0.0.1", port2);
+
+	/* Stupid thing to send a request */
+	bev = create_bev(data->base, fd, ssl);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_request =
+	    "GET http://somehost.net/test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 7);
+
+	evhttp_free(http);
+ end:
+	if (bev)
+		bufferevent_free(bev);
+}
+static void http_basic_test(void *arg)
+{ return http_basic_test_impl(arg, 0); }
+
+
+static void
+http_delay_reply(evutil_socket_t fd, short what, void *arg)
+{
+	struct evhttp_request *req = arg;
+
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", NULL);
+
+	++test_ok;
+}
+
+static void
+http_delay_cb(struct evhttp_request *req, void *arg)
+{
+	struct timeval tv;
+	evutil_timerclear(&tv);
+	tv.tv_sec = 0;
+	tv.tv_usec = 200 * 1000;
+
+	event_base_once(arg, -1, EV_TIMEOUT, http_delay_reply, req, &tv);
+}
+
+static void
+http_badreq_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *buf = evbuffer_new();
+
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Content-Type", "text/xml; charset=UTF-8");
+	evbuffer_add_printf(buf, "Hello, %s!", "127.0.0.1");
+
+	evhttp_send_reply(req, HTTP_OK, "OK", buf);
+	evbuffer_free(buf);
+}
+
+static void
+http_badreq_errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	event_debug(("%s: called (what=%04x, arg=%p)", __func__, what, arg));
+	/* ignore */
+}
+
+static void
+http_badreq_readcb(struct bufferevent *bev, void *arg)
+{
+	const char *what = "Hello, 127.0.0.1";
+	const char *bad_request = "400 Bad Request";
+
+	if (evbuffer_contains(bufferevent_get_input(bev), bad_request)) {
+		TT_FAIL(("%s:bad request detected", __func__));
+		bufferevent_disable(bev, EV_READ);
+		event_base_loopexit(arg, NULL);
+		return;
+	}
+
+	if (evbuffer_contains(bufferevent_get_input(bev), what)) {
+		struct evhttp_request *req = evhttp_request_new(NULL, NULL);
+		enum message_read_status done;
+
+		/* req->kind = EVHTTP_RESPONSE; */
+		done = evhttp_parse_firstline_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		done = evhttp_parse_headers_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		if (done == 1 &&
+		    evhttp_find_header(evhttp_request_get_input_headers(req),
+			"Content-Type") != NULL)
+			test_ok++;
+
+	out:
+		evhttp_request_free(req);
+		evbuffer_drain(bufferevent_get_input(bev), evbuffer_get_length(bufferevent_get_input(bev)));
+	}
+
+	shutdown(bufferevent_getfd(bev), EVUTIL_SHUT_WR);
+}
+
+static void
+http_badreq_successcb(evutil_socket_t fd, short what, void *arg)
+{
+	event_debug(("%s: called (what=%04x, arg=%p)", __func__, what, arg));
+	event_base_loopexit(exit_base, NULL);
+}
+
+static void
+http_bad_request_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct timeval tv;
+	struct bufferevent *bev = NULL;
+	evutil_socket_t fd = -1;
+	const char *http_request;
+	ev_uint16_t port=0, port2=0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+	exit_base = data->base;
+
+	/* bind to a second socket */
+	if (http_bind(http, &port2, 0) == -1)
+		TT_DIE(("Bind socket failed"));
+
+	/* NULL request test */
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_badreq_readcb, http_writecb,
+	    http_badreq_errorcb, data->base);
+	bufferevent_enable(bev, EV_READ);
+
+	/* real NULL request */
+	http_request = "";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	shutdown(fd, EVUTIL_SHUT_WR);
+	timerclear(&tv);
+	tv.tv_usec = 10000;
+	event_base_once(data->base, -1, EV_TIMEOUT, http_badreq_successcb, bev, &tv);
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+
+	if (test_ok != 0) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	/* Second answer (BAD REQUEST) on connection close */
+
+	/* connect to the second port */
+	fd = http_connect("127.0.0.1", port2);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_badreq_readcb, http_writecb,
+	    http_badreq_errorcb, data->base);
+	bufferevent_enable(bev, EV_READ);
+
+	/* first half of the http request */
+	http_request =
+		"GET /badrequest HTTP/1.0\r\n"	\
+		"Connection: Keep-Alive\r\n"	\
+		"\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	timerclear(&tv);
+	tv.tv_usec = 10000;
+	event_base_once(data->base, -1, EV_TIMEOUT, http_badreq_successcb, bev, &tv);
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 2);
+
+end:
+	evhttp_free(http);
+	if (bev)
+		bufferevent_free(bev);
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static struct evhttp_connection *delayed_client;
+
+static void
+http_large_delay_cb(struct evhttp_request *req, void *arg)
+{
+	struct timeval tv;
+	evutil_timerclear(&tv);
+	tv.tv_usec = 500000;
+
+	event_base_once(arg, -1, EV_TIMEOUT, http_delay_reply, req, &tv);
+	evhttp_connection_fail_(delayed_client, EVREQ_HTTP_EOF);
+}
+
+/*
+ * HTTP DELETE test,  just piggyback on the basic test
+ */
+
+static void
+http_delete_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+	int empty = evhttp_find_header(evhttp_request_get_input_headers(req), "Empty") != NULL;
+
+	/* Expecting a DELETE request */
+	if (evhttp_request_get_command(req) != EVHTTP_REQ_DELETE) {
+		fprintf(stdout, "FAILED (delete type)\n");
+		exit(1);
+	}
+
+	event_debug(("%s: called\n", __func__));
+	evbuffer_add_printf(evb, BASIC_REQUEST_BODY);
+
+	/* allow sending of an empty reply */
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine",
+	    !empty ? evb : NULL);
+
+	evbuffer_free(evb);
+}
+
+static void
+http_delete_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	evutil_socket_t fd = -1;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	tt_assert(http);
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_request =
+	    "DELETE /deleteit HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+	fd = -1;
+
+	evhttp_free(http);
+
+	tt_int_op(test_ok, ==, 2);
+ end:
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static void
+http_sent_cb(struct evhttp_request *req, void *arg)
+{
+	ev_uintptr_t val = (ev_uintptr_t)arg;
+	struct evbuffer *b;
+
+	if (val != 0xDEADBEEF) {
+		fprintf(stdout, "FAILED on_complete_cb argument\n");
+		exit(1);
+	}
+
+	b = evhttp_request_get_output_buffer(req);
+	if (evbuffer_get_length(b) != 0) {
+		fprintf(stdout, "FAILED on_complete_cb output buffer not written\n");
+		exit(1);
+	}
+
+	event_debug(("%s: called\n", __func__));
+
+	++test_ok;
+}
+
+static void
+http_on_complete_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb = evbuffer_new();
+
+	evhttp_request_set_on_complete_cb(req, http_sent_cb, (void *)0xDEADBEEF);
+
+	event_debug(("%s: called\n", __func__));
+	evbuffer_add_printf(evb, BASIC_REQUEST_BODY);
+
+	/* allow sending of an empty reply */
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+
+	evbuffer_free(evb);
+
+	++test_ok;
+}
+
+static void
+http_on_complete_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	evutil_socket_t fd = -1;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_request =
+	    "GET /oncomplete HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev);
+
+	evhttp_free(http);
+
+	tt_int_op(test_ok, ==, 4);
+ end:
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static void
+http_allowed_methods_eventcb(struct bufferevent *bev, short what, void *arg)
+{
+	char **output = arg;
+	if ((what & (BEV_EVENT_ERROR|BEV_EVENT_EOF))) {
+		char buf[4096];
+		int n;
+		n = evbuffer_remove(bufferevent_get_input(bev), buf,
+		    sizeof(buf)-1);
+		if (n >= 0) {
+			buf[n]='\0';
+			if (*output)
+				free(*output);
+			*output = strdup(buf);
+		}
+		event_base_loopexit(exit_base, NULL);
+	}
+}
+
+static void
+http_allowed_methods_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev1, *bev2, *bev3;
+	evutil_socket_t fd1=-1, fd2=-1, fd3=-1;
+	const char *http_request;
+	char *result1=NULL, *result2=NULL, *result3=NULL;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	fd1 = http_connect("127.0.0.1", port);
+	tt_int_op(fd1, >=, 0);
+
+	/* GET is out; PATCH is in. */
+	evhttp_set_allowed_methods(http, EVHTTP_REQ_PATCH);
+
+	/* Stupid thing to send a request */
+	bev1 = bufferevent_socket_new(data->base, fd1, 0);
+	bufferevent_enable(bev1, EV_READ|EV_WRITE);
+	bufferevent_setcb(bev1, NULL, NULL,
+	    http_allowed_methods_eventcb, &result1);
+
+	http_request =
+	    "GET /index.html HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev1, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	fd2 = http_connect("127.0.0.1", port);
+	tt_int_op(fd2, >=, 0);
+
+	bev2 = bufferevent_socket_new(data->base, fd2, 0);
+	bufferevent_enable(bev2, EV_READ|EV_WRITE);
+	bufferevent_setcb(bev2, NULL, NULL,
+	    http_allowed_methods_eventcb, &result2);
+
+	http_request =
+	    "PATCH /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev2, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	fd3 = http_connect("127.0.0.1", port);
+	tt_int_op(fd3, >=, 0);
+
+	bev3 = bufferevent_socket_new(data->base, fd3, 0);
+	bufferevent_enable(bev3, EV_READ|EV_WRITE);
+	bufferevent_setcb(bev3, NULL, NULL,
+	    http_allowed_methods_eventcb, &result3);
+
+	http_request =
+	    "FLOOP /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev3, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev1);
+	bufferevent_free(bev2);
+	bufferevent_free(bev3);
+
+	evhttp_free(http);
+
+	/* Method known but disallowed */
+	tt_assert(result1);
+	tt_assert(!strncmp(result1, "HTTP/1.1 501 ", strlen("HTTP/1.1 501 ")));
+
+	/* Method known and allowed */
+	tt_assert(result2);
+	tt_assert(!strncmp(result2, "HTTP/1.1 200 ", strlen("HTTP/1.1 200 ")));
+
+	/* Method unknown */
+	tt_assert(result3);
+	tt_assert(!strncmp(result3, "HTTP/1.1 501 ", strlen("HTTP/1.1 501 ")));
+
+ end:
+	if (result1)
+		free(result1);
+	if (result2)
+		free(result2);
+	if (result3)
+		free(result3);
+	if (fd1 >= 0)
+		evutil_closesocket(fd1);
+	if (fd2 >= 0)
+		evutil_closesocket(fd2);
+	if (fd3 >= 0)
+		evutil_closesocket(fd3);
+}
+
+static void http_request_no_action_done(struct evhttp_request *, void *);
+static void http_request_done(struct evhttp_request *, void *);
+static void http_request_empty_done(struct evhttp_request *, void *);
+
+static void
+http_connection_test_(struct basic_test_data *data, int persistent,
+	const char *address, struct evdns_base *dnsbase, int ipv6, int family,
+	int ssl)
+{
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http;
+
+	int mask = 0;
+	if (ipv6)
+		mask |= HTTP_BIND_IPV6;
+	if (ssl)
+		mask |= HTTP_BIND_SSL;
+
+	http = http_setup(&port, data->base, mask);
+
+	test_ok = 0;
+	if (!http && ipv6) {
+		tt_skip();
+	}
+	tt_assert(http);
+
+	if (ssl) {
+#ifdef EVENT__HAVE_OPENSSL
+		SSL *ssl = SSL_new(get_ssl_ctx());
+		struct bufferevent *bev = bufferevent_openssl_socket_new(
+			data->base, -1, ssl,
+			BUFFEREVENT_SSL_CONNECTING, BEV_OPT_DEFER_CALLBACKS);
+		bufferevent_openssl_set_allow_dirty_shutdown(bev, 1);
+
+		evcon = evhttp_connection_base_bufferevent_new(data->base, dnsbase, bev, address, port);
+#else
+		tt_skip();
+#endif
+	} else {
+		evcon = evhttp_connection_base_new(data->base, dnsbase, address, port);
+	}
+	tt_assert(evcon);
+	evhttp_connection_set_family(evcon, family);
+
+	tt_assert(evhttp_connection_get_base(evcon) == data->base);
+
+	exit_base = data->base;
+
+	tt_assert(evhttp_connection_get_server(evcon) == NULL);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok);
+
+	/* try to make another request over the same connection */
+	test_ok = 0;
+
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/*
+	 * if our connections are not supposed to be persistent; request
+	 * a close from the server.
+	 */
+	if (!persistent)
+		evhttp_add_header(evhttp_request_get_output_headers(req), "Connection", "close");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	/* make another request: request empty reply */
+	test_ok = 0;
+
+	req = evhttp_request_new(http_request_empty_done, data->base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_connection_test(void *arg)
+{
+	http_connection_test_(arg, 0, "127.0.0.1", NULL, 0, AF_UNSPEC, 0);
+}
+static void
+http_persist_connection_test(void *arg)
+{
+	http_connection_test_(arg, 1, "127.0.0.1", NULL, 0, AF_UNSPEC, 0);
+}
+
+static struct regress_dns_server_table search_table[] = {
+	{ "localhost", "A", "127.0.0.1", 0, 0 },
+	{ NULL, NULL, NULL, 0, 0 }
+};
+
+static void
+http_connection_async_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evdns_base *dns_base = NULL;
+	ev_uint16_t portnum = 0;
+	char address[64];
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+	tt_assert(regress_dnsserver(data->base, &portnum, search_table));
+
+	dns_base = evdns_base_new(data->base, 0/* init name servers */);
+	tt_assert(dns_base);
+
+	/* Add ourself as the only nameserver, and make sure we really are
+	 * the only nameserver. */
+	evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum);
+	evdns_base_nameserver_ip_add(dns_base, address);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, dns_base, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok);
+
+	/* try to make another request over the same connection */
+	test_ok = 0;
+
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/*
+	 * if our connections are not supposed to be persistent; request
+	 * a close from the server.
+	 */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Connection", "close");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	/* make another request: request empty reply */
+	test_ok = 0;
+
+	req = evhttp_request_new(http_request_empty_done, data->base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+	if (dns_base)
+		evdns_base_free(dns_base, 0);
+	regress_clean_dnsserver();
+}
+
+static void
+http_autofree_connection_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req[2] = { NULL };
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule two request to the HTTP
+	 * server using our make request method.
+	 */
+	req[0] = evhttp_request_new(http_request_empty_done, data->base);
+	req[1] = evhttp_request_new(http_request_empty_done, data->base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req[0]), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req[0]), "Connection", "close");
+	evhttp_add_header(evhttp_request_get_output_headers(req[0]), "Empty", "itis");
+	evhttp_add_header(evhttp_request_get_output_headers(req[1]), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req[1]), "Connection", "close");
+	evhttp_add_header(evhttp_request_get_output_headers(req[1]), "Empty", "itis");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req[0], EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("couldn't make request");
+	}
+	if (evhttp_make_request(evcon, req[1], EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("couldn't make request");
+	}
+
+	/*
+	 * Tell libevent to free the connection when the request completes
+	 *	We then set the evcon pointer to NULL since we don't want to free it
+	 *	when this function ends.
+	 */
+	evhttp_connection_free_on_completion(evcon);
+	evcon = NULL;
+
+	event_base_dispatch(data->base);
+
+	/* at this point, the http server should have no connection */
+	tt_assert(TAILQ_FIRST(&http->connections) == NULL);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_request_never_call(struct evhttp_request *req, void *arg)
+{
+	fprintf(stdout, "FAILED\n");
+	exit(1);
+}
+static void
+http_failed_request_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(!req);
+end:
+	event_base_loopexit(arg, NULL);
+}
+#ifndef _WIN32
+static void
+http_timed_out_request_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(req);
+	tt_int_op(evhttp_request_get_response_code(req), !=, HTTP_OK);
+end:
+	event_base_loopexit(arg, NULL);
+}
+#endif
+
+static void
+http_request_error_cb_with_cancel(enum evhttp_request_error error, void *arg)
+{
+	if (error != EVREQ_HTTP_REQUEST_CANCEL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+	test_ok = 1;
+
+	{
+		struct timeval tv;
+		evutil_timerclear(&tv);
+		tv.tv_sec = 0;
+		tv.tv_usec = 500 * 1000;
+		event_base_loopexit(exit_base, &tv);
+	}
+}
+static void
+http_do_cancel(evutil_socket_t fd, short what, void *arg)
+{
+	struct evhttp_request *req = arg;
+	evhttp_cancel_request(req);
+	++test_ok;
+}
+static void
+http_no_write(struct evbuffer *buffer, const struct evbuffer_cb_info *info, void *arg)
+{
+	fprintf(stdout, "FAILED\n");
+	exit(1);
+}
+static void
+http_free_evcons(struct evhttp_connection **evcons)
+{
+	struct evhttp_connection *evcon, **orig = evcons;
+
+	if (!evcons)
+		return;
+
+	while ((evcon = *evcons++)) {
+		evhttp_connection_free(evcon);
+	}
+	free(orig);
+}
+/** fill the backlog to force server drop packages for timeouts */
+static struct evhttp_connection **
+http_fill_backlog(struct event_base *base, int port)
+{
+#define BACKLOG_SIZE 256
+		struct evhttp_connection **evcon = malloc(sizeof(*evcon) * (BACKLOG_SIZE + 1));
+		int i;
+
+		for (i = 0; i < BACKLOG_SIZE; ++i) {
+			struct evhttp_request *req;
+
+			evcon[i] = evhttp_connection_base_new(base, NULL, "127.0.0.1", port);
+			tt_assert(evcon[i]);
+			evhttp_connection_set_timeout(evcon[i], 5);
+
+			req = evhttp_request_new(http_request_never_call, NULL);
+			tt_assert(req);
+			tt_int_op(evhttp_make_request(evcon[i], req, EVHTTP_REQ_GET, "/delay"), !=, -1);
+		}
+		evcon[i] = NULL;
+
+		return evcon;
+ end:
+		fprintf(stderr, "Couldn't fill the backlog");
+		return NULL;
+}
+
+enum http_cancel_test_type {
+	BASIC = 1,
+	BY_HOST = 2,
+	NO_NS = 4,
+	INACTIVE_SERVER = 8,
+	SERVER_TIMEOUT = 16,
+	NS_TIMEOUT = 32,
+};
+static struct evhttp_request *
+http_cancel_test_bad_request_new(enum http_cancel_test_type type,
+	struct event_base *base)
+{
+#ifndef _WIN32
+	if (!(type & NO_NS) && (type & SERVER_TIMEOUT))
+		return evhttp_request_new(http_timed_out_request_done, base);
+	else
+#endif
+	if ((type & INACTIVE_SERVER) || (type & NO_NS))
+		return evhttp_request_new(http_failed_request_done, base);
+	else
+		return NULL;
+}
+static void
+http_cancel_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct bufferevent *bufev = NULL;
+	struct timeval tv;
+	struct evdns_base *dns_base = NULL;
+	ev_uint16_t portnum = 0;
+	char address[64];
+	struct evhttp *inactive_http = NULL;
+	struct event_base *inactive_base = NULL;
+	struct evhttp_connection **evcons = NULL;
+	struct event_base *base_to_fill = data->base;
+
+	enum http_cancel_test_type type =
+		(enum http_cancel_test_type)data->setup_data;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	if (type & BY_HOST) {
+		const char *timeout = (type & NS_TIMEOUT) ? "6" : "3";
+
+		tt_assert(regress_dnsserver(data->base, &portnum, search_table));
+
+		dns_base = evdns_base_new(data->base, 0/* init name servers */);
+		tt_assert(dns_base);
+
+		/** XXX: Hack the port to make timeout after resolving */
+		if (type & NO_NS)
+			++portnum;
+
+		evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum);
+		evdns_base_nameserver_ip_add(dns_base, address);
+
+		evdns_base_set_option(dns_base, "timeout:", timeout);
+		evdns_base_set_option(dns_base, "initial-probe-timeout:", timeout);
+		evdns_base_set_option(dns_base, "attempts:", "1");
+	}
+
+	exit_base = data->base;
+
+	test_ok = 0;
+
+	if (type & INACTIVE_SERVER) {
+		port = 0;
+		inactive_base = event_base_new();
+		inactive_http = http_setup(&port, inactive_base, 0);
+
+		base_to_fill = inactive_base;
+	}
+
+	if (type & SERVER_TIMEOUT)
+		evcons = http_fill_backlog(base_to_fill, port);
+
+	evcon = evhttp_connection_base_new(
+		data->base, dns_base,
+		type & BY_HOST ? "localhost" : "127.0.0.1",
+		port);
+	if (type & INACTIVE_SERVER)
+		evhttp_connection_set_timeout(evcon, 5);
+	tt_assert(evcon);
+
+	bufev = evhttp_connection_get_bufferevent(evcon);
+	/* Guarantee that we stack in connect() not after waiting EV_READ after
+	 * write() */
+	if (type & SERVER_TIMEOUT)
+		evbuffer_add_cb(bufferevent_get_output(bufev), http_no_write, NULL);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_request_never_call, NULL);
+	evhttp_request_set_error_cb(req, http_request_error_cb_with_cancel);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/delay"),
+		  !=, -1);
+
+	evutil_timerclear(&tv);
+	tv.tv_sec = 0;
+	tv.tv_usec = 100 * 1000;
+
+	event_base_once(data->base, -1, EV_TIMEOUT, http_do_cancel, req, &tv);
+
+	event_base_dispatch(data->base);
+
+	if (type & NO_NS || type & INACTIVE_SERVER)
+		tt_int_op(test_ok, ==, 2); /** no servers responses */
+	else
+		tt_int_op(test_ok, ==, 3);
+
+	/* try to make another request over the same connection */
+	test_ok = 0;
+
+	http_free_evcons(evcons);
+	if (type & SERVER_TIMEOUT)
+		evcons = http_fill_backlog(base_to_fill, port);
+
+	req = http_cancel_test_bad_request_new(type, data->base);
+	if (!req)
+		req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test"),
+		  !=, -1);
+
+	event_base_dispatch(data->base);
+
+	/* make another request: request empty reply */
+	test_ok = 0;
+
+	http_free_evcons(evcons);
+	if (type & SERVER_TIMEOUT)
+		evcons = http_fill_backlog(base_to_fill, port);
+
+	req = http_cancel_test_bad_request_new(type, data->base);
+	if (!req)
+		req = evhttp_request_new(http_request_empty_done, data->base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Empty", "itis");
+
+	/* We give ownership of the request to the connection */
+	tt_int_op(evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test"),
+		  !=, -1);
+
+	event_base_dispatch(data->base);
+
+ end:
+	http_free_evcons(evcons);
+	if (bufev)
+		evbuffer_remove_cb(bufferevent_get_output(bufev), http_no_write, NULL);
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+	if (dns_base)
+		evdns_base_free(dns_base, 0);
+	regress_clean_dnsserver();
+	if (inactive_http)
+		evhttp_free(inactive_http);
+	if (inactive_base)
+		event_base_free(inactive_base);
+}
+
+static void
+http_request_no_action_done(struct evhttp_request *req, void *arg)
+{
+	EVUTIL_ASSERT(exit_base);
+	event_base_loopexit(exit_base, NULL);
+}
+
+static void
+http_request_done(struct evhttp_request *req, void *arg)
+{
+	const char *what = arg;
+
+	if (!req) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	EVUTIL_ASSERT(exit_base);
+	event_base_loopexit(exit_base, NULL);
+}
+
+static void
+http_request_expect_error(struct evhttp_request *req, void *arg)
+{
+	if (evhttp_request_get_response_code(req) == HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	EVUTIL_ASSERT(arg);
+	event_base_loopexit(arg, NULL);
+}
+
+/* test virtual hosts */
+static void
+http_virtual_host_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *second = NULL, *third = NULL;
+	evutil_socket_t fd;
+	struct bufferevent *bev;
+	const char *http_request;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+
+	/* virtual host */
+	second = evhttp_new(NULL);
+	evhttp_set_cb(second, "/funnybunny", http_basic_cb, http);
+	third = evhttp_new(NULL);
+	evhttp_set_cb(third, "/blackcoffee", http_basic_cb, http);
+
+	if (evhttp_add_virtual_host(http, "foo.com", second) == -1) {
+		tt_abort_msg("Couldn't add vhost");
+	}
+
+	if (evhttp_add_virtual_host(http, "bar.*.foo.com", third) == -1) {
+		tt_abort_msg("Couldn't add wildcarded vhost");
+	}
+
+	/* add some aliases to the vhosts */
+	tt_assert(evhttp_add_server_alias(second, "manolito.info") == 0);
+	tt_assert(evhttp_add_server_alias(third, "bonkers.org") == 0);
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/* make a request with a different host and expect an error */
+	req = evhttp_request_new(http_request_expect_error, data->base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/funnybunny") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 1);
+
+	test_ok = 0;
+
+	/* make a request with the right host and expect a response */
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "foo.com");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/funnybunny") == -1) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 1);
+
+	test_ok = 0;
+
+	/* make a request with the right host and expect a response */
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "bar.magic.foo.com");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/blackcoffee") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 1)
+
+	test_ok = 0;
+
+	/* make a request with the right host and expect a response */
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "manolito.info");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/funnybunny") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 1)
+
+	test_ok = 0;
+
+	/* make a request with the right host and expect a response */
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+
+	/* Add the Host header. This time with the optional port. */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "bonkers.org:8000");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/blackcoffee") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_assert(test_ok == 1)
+
+	test_ok = 0;
+
+	/* Now make a raw request with an absolute URI. */
+	fd = http_connect("127.0.0.1", port);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, NULL);
+
+	/* The host in the URI should override the Host: header */
+	http_request =
+	    "GET http://manolito.info/funnybunny HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 2);
+
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+
+/* test date header and content length */
+
+static void
+http_request_empty_done(struct evhttp_request *req, void *arg)
+{
+	if (!req) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Date") == NULL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Length") == NULL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (strcmp(evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Length"),
+		"0")) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 0) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	EVUTIL_ASSERT(arg);
+	event_base_loopexit(arg, NULL);
+}
+
+/*
+ * HTTP DISPATCHER test
+ */
+
+void
+http_dispatcher_cb(struct evhttp_request *req, void *arg)
+{
+
+	struct evbuffer *evb = evbuffer_new();
+	event_debug(("%s: called\n", __func__));
+	evbuffer_add_printf(evb, "DISPATCHER_TEST");
+
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+
+	evbuffer_free(evb);
+}
+
+static void
+http_dispatcher_test_done(struct evhttp_request *req, void *arg)
+{
+	struct event_base *base = arg;
+	const char *what = "DISPATCHER_TEST";
+
+	if (!req) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) {
+		fprintf(stderr, "FAILED (content type)\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) {
+		fprintf(stderr, "FAILED (length %lu vs %lu)\n",
+		    (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what));
+		exit(1);
+	}
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) {
+		fprintf(stderr, "FAILED (data)\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_base_loopexit(base, NULL);
+}
+
+static void
+http_dispatcher_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/* also bind to local host */
+	evhttp_connection_set_local_address(evcon, "127.0.0.1");
+
+	/*
+	 * At this point, we want to schedule an HTTP GET request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_dispatcher_test_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+/*
+ * HTTP POST test.
+ */
+
+void http_postrequest_done(struct evhttp_request *, void *);
+
+#define POST_DATA "Okay.  Not really printf"
+
+static void
+http_post_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule an HTTP POST request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_postrequest_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), POST_DATA);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/postit") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 1);
+
+	test_ok = 0;
+
+	req = evhttp_request_new(http_postrequest_done, data->base);
+	tt_assert(req);
+
+	/* Now try with 100-continue. */
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Expect", "100-continue");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), POST_DATA);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/postit") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 1);
+
+	evhttp_connection_free(evcon);
+	evhttp_free(http);
+
+ end:
+	;
+}
+
+void
+http_post_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb;
+	event_debug(("%s: called\n", __func__));
+
+	/* Yes, we are expecting a post request */
+	if (evhttp_request_get_command(req) != EVHTTP_REQ_POST) {
+		fprintf(stdout, "FAILED (post type)\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(POST_DATA)) {
+		fprintf(stdout, "FAILED (length: %lu vs %lu)\n",
+		    (unsigned long) evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long) strlen(POST_DATA));
+		exit(1);
+	}
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), POST_DATA) != 0) {
+		fprintf(stdout, "FAILED (data)\n");
+		fprintf(stdout, "Got :%s\n", evbuffer_pullup(evhttp_request_get_input_buffer(req),-1));
+		fprintf(stdout, "Want:%s\n", POST_DATA);
+		exit(1);
+	}
+
+	evb = evbuffer_new();
+	evbuffer_add_printf(evb, BASIC_REQUEST_BODY);
+
+	evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
+
+	evbuffer_free(evb);
+}
+
+void
+http_postrequest_done(struct evhttp_request *req, void *arg)
+{
+	const char *what = BASIC_REQUEST_BODY;
+	struct event_base *base = arg;
+
+	if (req == NULL) {
+		fprintf(stderr, "FAILED (timeout)\n");
+		exit(1);
+	}
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+
+		fprintf(stderr, "FAILED (response code)\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) {
+		fprintf(stderr, "FAILED (content type)\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) {
+		fprintf(stderr, "FAILED (length %lu vs %lu)\n",
+		    (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what));
+		exit(1);
+	}
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) {
+		fprintf(stderr, "FAILED (data)\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_base_loopexit(base, NULL);
+}
+
+/*
+ * HTTP PUT test, basically just like POST, but ...
+ */
+
+void http_putrequest_done(struct evhttp_request *, void *);
+
+#define PUT_DATA "Hi, I'm some PUT data"
+
+static void
+http_put_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * Schedule the HTTP PUT request
+	 */
+
+	req = evhttp_request_new(http_putrequest_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "someotherhost");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), PUT_DATA);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_PUT, "/putit") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	evhttp_connection_free(evcon);
+	evhttp_free(http);
+
+	tt_int_op(test_ok, ==, 1);
+ end:
+	;
+}
+
+void
+http_put_cb(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *evb;
+	event_debug(("%s: called\n", __func__));
+
+	/* Expecting a PUT request */
+	if (evhttp_request_get_command(req) != EVHTTP_REQ_PUT) {
+		fprintf(stdout, "FAILED (put type)\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(PUT_DATA)) {
+		fprintf(stdout, "FAILED (length: %lu vs %lu)\n",
+		    (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(PUT_DATA));
+		exit(1);
+	}
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), PUT_DATA) != 0) {
+		fprintf(stdout, "FAILED (data)\n");
+		fprintf(stdout, "Got :%s\n", evbuffer_pullup(evhttp_request_get_input_buffer(req),-1));
+		fprintf(stdout, "Want:%s\n", PUT_DATA);
+		exit(1);
+	}
+
+	evb = evbuffer_new();
+	evbuffer_add_printf(evb, "That ain't funny");
+
+	evhttp_send_reply(req, HTTP_OK, "Everything is great", evb);
+
+	evbuffer_free(evb);
+}
+
+void
+http_putrequest_done(struct evhttp_request *req, void *arg)
+{
+	struct event_base *base = arg;
+	const char *what = "That ain't funny";
+
+	if (req == NULL) {
+		fprintf(stderr, "FAILED (timeout)\n");
+		exit(1);
+	}
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+
+		fprintf(stderr, "FAILED (response code)\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") == NULL) {
+		fprintf(stderr, "FAILED (content type)\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != strlen(what)) {
+		fprintf(stderr, "FAILED (length %lu vs %lu)\n",
+		    (unsigned long)evbuffer_get_length(evhttp_request_get_input_buffer(req)), (unsigned long)strlen(what));
+		exit(1);
+	}
+
+
+	if (evbuffer_datacmp(evhttp_request_get_input_buffer(req), what) != 0) {
+		fprintf(stderr, "FAILED (data)\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_base_loopexit(base, NULL);
+}
+
+static void
+http_failure_readcb(struct bufferevent *bev, void *arg)
+{
+	const char *what = "400 Bad Request";
+	if (evbuffer_contains(bufferevent_get_input(bev), what)) {
+		test_ok = 2;
+		bufferevent_disable(bev, EV_READ);
+		event_base_loopexit(arg, NULL);
+	}
+}
+
+/*
+ * Testing that the HTTP server can deal with a malformed request.
+ */
+static void
+http_failure_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	evutil_socket_t fd = -1;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, http_failure_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_request = "illegal request\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev);
+
+	evhttp_free(http);
+
+	tt_int_op(test_ok, ==, 2);
+ end:
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static void
+close_detect_done(struct evhttp_request *req, void *arg)
+{
+	struct timeval tv;
+	tt_assert(req);
+	tt_assert(evhttp_request_get_response_code(req) == HTTP_OK);
+
+	test_ok = 1;
+
+ end:
+	evutil_timerclear(&tv);
+	tv.tv_usec = 150000;
+	event_base_loopexit(arg, &tv);
+}
+
+static void
+close_detect_launch(evutil_socket_t fd, short what, void *arg)
+{
+	struct evhttp_connection *evcon = arg;
+	struct event_base *base = evhttp_connection_get_base(evcon);
+	struct evhttp_request *req;
+
+	req = evhttp_request_new(close_detect_done, base);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_fail_msg("Couldn't make request");
+	}
+}
+
+static void
+close_detect_cb(struct evhttp_request *req, void *arg)
+{
+	struct evhttp_connection *evcon = arg;
+	struct event_base *base = evhttp_connection_get_base(evcon);
+	struct timeval tv;
+
+	if (req != NULL && evhttp_request_get_response_code(req) != HTTP_OK) {
+		tt_abort_msg("Failed");
+	}
+
+	evutil_timerclear(&tv);
+	tv.tv_sec = 0;   /* longer than the http time out */
+	tv.tv_usec = 600000;   /* longer than the http time out */
+
+	/* launch a new request on the persistent connection in .3 seconds */
+	event_base_once(base, -1, EV_TIMEOUT, close_detect_launch, evcon, &tv);
+ end:
+	;
+}
+
+
+static void
+http_close_detection_(struct basic_test_data *data, int with_delay)
+{
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	const struct timeval sec_tenth = { 0, 100000 };
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	/* .1 second timeout */
+	evhttp_set_timeout_tv(http, &sec_tenth);
+
+	evcon = evhttp_connection_base_new(data->base, NULL,
+	    "127.0.0.1", port);
+	tt_assert(evcon);
+	evhttp_connection_set_timeout_tv(evcon, &sec_tenth);
+
+
+	tt_assert(evcon);
+	delayed_client = evcon;
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(close_detect_cb, evcon);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon,
+	    req, EVHTTP_REQ_GET, with_delay ? "/largedelay" : "/test") == -1) {
+		tt_abort_msg("couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	/* at this point, the http server should have no connection */
+	tt_assert(TAILQ_FIRST(&http->connections) == NULL);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+static void
+http_close_detection_test(void *arg)
+{
+	http_close_detection_(arg, 0);
+}
+static void
+http_close_detection_delay_test(void *arg)
+{
+	http_close_detection_(arg, 1);
+}
+
+static void
+http_highport_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	int i = -1;
+	struct evhttp *myhttp = NULL;
+
+	/* Try a few different ports */
+	for (i = 0; i < 50; ++i) {
+		myhttp = evhttp_new(data->base);
+		if (evhttp_bind_socket(myhttp, "127.0.0.1", 65535 - i) == 0) {
+			test_ok = 1;
+			evhttp_free(myhttp);
+			return;
+		}
+		evhttp_free(myhttp);
+	}
+
+	tt_fail_msg("Couldn't get a high port");
+}
+
+static void
+http_bad_header_test(void *ptr)
+{
+	struct evkeyvalq headers;
+
+	TAILQ_INIT(&headers);
+
+	tt_want(evhttp_add_header(&headers, "One", "Two") == 0);
+	tt_want(evhttp_add_header(&headers, "One", "Two\r\n Three") == 0);
+	tt_want(evhttp_add_header(&headers, "One\r", "Two") == -1);
+	tt_want(evhttp_add_header(&headers, "One\n", "Two") == -1);
+	tt_want(evhttp_add_header(&headers, "One", "Two\r") == -1);
+	tt_want(evhttp_add_header(&headers, "One", "Two\n") == -1);
+
+	evhttp_clear_headers(&headers);
+}
+
+static int validate_header(
+	const struct evkeyvalq* headers,
+	const char *key, const char *value)
+{
+	const char *real_val = evhttp_find_header(headers, key);
+	tt_assert(real_val != NULL);
+	tt_want(strcmp(real_val, value) == 0);
+end:
+	return (0);
+}
+
+static void
+http_parse_query_test(void *ptr)
+{
+	struct evkeyvalq headers;
+	int r;
+
+	TAILQ_INIT(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test", &headers);
+	tt_want(validate_header(&headers, "q", "test") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test&foo=bar", &headers);
+	tt_want(validate_header(&headers, "q", "test") == 0);
+	tt_want(validate_header(&headers, "foo", "bar") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test+foo", &headers);
+	tt_want(validate_header(&headers, "q", "test foo") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test%0Afoo", &headers);
+	tt_want(validate_header(&headers, "q", "test\nfoo") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test%0Dfoo", &headers);
+	tt_want(validate_header(&headers, "q", "test\rfoo") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test&&q2", &headers);
+	tt_int_op(r, ==, -1);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test+this", &headers);
+	tt_want(validate_header(&headers, "q", "test this") == 0);
+	tt_int_op(r, ==, 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=test&q2=foo", &headers);
+	tt_int_op(r, ==, 0);
+	tt_want(validate_header(&headers, "q", "test") == 0);
+	tt_want(validate_header(&headers, "q2", "foo") == 0);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q&q2=foo", &headers);
+	tt_int_op(r, ==, -1);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=foo&q2", &headers);
+	tt_int_op(r, ==, -1);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=foo&q2&q3=x", &headers);
+	tt_int_op(r, ==, -1);
+	evhttp_clear_headers(&headers);
+
+	r = evhttp_parse_query("http://www.test.com/?q=&q2=&q3=", &headers);
+	tt_int_op(r, ==, 0);
+	tt_want(validate_header(&headers, "q", "") == 0);
+	tt_want(validate_header(&headers, "q2", "") == 0);
+	tt_want(validate_header(&headers, "q3", "") == 0);
+	evhttp_clear_headers(&headers);
+
+end:
+	evhttp_clear_headers(&headers);
+}
+
+static void
+http_parse_uri_test(void *ptr)
+{
+	const int nonconform = (ptr != NULL);
+	const unsigned parse_flags =
+	    nonconform ? EVHTTP_URI_NONCONFORMANT : 0;
+	struct evhttp_uri *uri = NULL;
+	char url_tmp[4096];
+#define URI_PARSE(uri) \
+	evhttp_uri_parse_with_flags((uri), parse_flags)
+
+#define TT_URI(want) do { 						\
+	char *ret = evhttp_uri_join(uri, url_tmp, sizeof(url_tmp));	\
+	tt_want(ret != NULL);						\
+	tt_want(ret == url_tmp);					\
+	if (strcmp(ret,want) != 0)					\
+		TT_FAIL(("\"%s\" != \"%s\"",ret,want));			\
+	} while(0)
+
+	tt_want(evhttp_uri_join(NULL, 0, 0) == NULL);
+	tt_want(evhttp_uri_join(NULL, url_tmp, 0) == NULL);
+	tt_want(evhttp_uri_join(NULL, url_tmp, sizeof(url_tmp)) == NULL);
+
+	/* bad URIs: parsing */
+#define BAD(s) do {							\
+		if (URI_PARSE(s) != NULL)				\
+			TT_FAIL(("Expected error parsing \"%s\"",s));	\
+	} while(0)
+	/* Nonconformant URIs we can parse: parsing */
+#define NCF(s) do {							\
+		uri = URI_PARSE(s);					\
+		if (uri != NULL && !nonconform) {			\
+			TT_FAIL(("Expected error parsing \"%s\"",s));	\
+		} else if (uri == NULL && nonconform) {			\
+			TT_FAIL(("Couldn't parse nonconformant URI \"%s\"", \
+				s));					\
+		}							\
+		if (uri) {						\
+			tt_want(evhttp_uri_join(uri, url_tmp,		\
+				sizeof(url_tmp)));			\
+			evhttp_uri_free(uri);				\
+		}							\
+	} while(0)
+
+	NCF("http://www.test.com/ why hello");
+	NCF("http://www.test.com/why-hello\x01");
+	NCF("http://www.test.com/why-hello?\x01");
+	NCF("http://www.test.com/why-hello#\x01");
+	BAD("http://www.\x01.test.com/why-hello");
+	BAD("http://www.%7test.com/why-hello");
+	NCF("http://www.test.com/why-hell%7o");
+	BAD("h%3ttp://www.test.com/why-hello");
+	NCF("http://www.test.com/why-hello%7");
+	NCF("http://www.test.com/why-hell%7o");
+	NCF("http://www.test.com/foo?ba%r");
+	NCF("http://www.test.com/foo#ba%r");
+	BAD("99:99/foo");
+	BAD("http://www.test.com:999x/");
+	BAD("http://www.test.com:x/");
+	BAD("http://[hello-there]/");
+	BAD("http://[::1]]/");
+	BAD("http://[::1/");
+	BAD("http://[foob/");
+	BAD("http://[/");
+	BAD("http://[ffff:ffff:ffff:ffff:Ffff:ffff:ffff:"
+	            "ffff:ffff:ffff:ffff:ffff:ffff:ffff]/");
+	BAD("http://[vX.foo]/");
+	BAD("http://[vX.foo]/");
+	BAD("http://[v.foo]/");
+	BAD("http://[v5.fo%o]/");
+	BAD("http://[v5X]/");
+	BAD("http://[v5]/");
+	BAD("http://[]/");
+	BAD("http://f\x01red@www.example.com/");
+	BAD("http://f%0red@www.example.com/");
+	BAD("http://www.example.com:9999999999999999999999999999999999999/");
+	BAD("http://www.example.com:hihi/");
+	BAD("://www.example.com/");
+
+	/* bad URIs: joining */
+	uri = evhttp_uri_new();
+	tt_want(0==evhttp_uri_set_host(uri, "www.example.com"));
+	tt_want(evhttp_uri_join(uri, url_tmp, sizeof(url_tmp)) != NULL);
+	/* not enough space: */
+	tt_want(evhttp_uri_join(uri, url_tmp, 3) == NULL);
+	/* host is set, but path doesn't start with "/": */
+	tt_want(0==evhttp_uri_set_path(uri, "hi_mom"));
+	tt_want(evhttp_uri_join(uri, url_tmp, sizeof(url_tmp)) == NULL);
+	tt_want(evhttp_uri_join(uri, NULL, sizeof(url_tmp))==NULL);
+	tt_want(evhttp_uri_join(uri, url_tmp, 0)==NULL);
+	evhttp_uri_free(uri);
+	uri = URI_PARSE("mailto:foo@bar");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_host(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(!strcmp(evhttp_uri_get_scheme(uri), "mailto"));
+	tt_want(!strcmp(evhttp_uri_get_path(uri), "foo@bar"));
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("mailto:foo@bar");
+	evhttp_uri_free(uri);
+
+	uri = evhttp_uri_new();
+	/* Bad URI usage: setting invalid values */
+	tt_want(-1 == evhttp_uri_set_scheme(uri,""));
+	tt_want(-1 == evhttp_uri_set_scheme(uri,"33"));
+	tt_want(-1 == evhttp_uri_set_scheme(uri,"hi!"));
+	tt_want(-1 == evhttp_uri_set_userinfo(uri,"hello@"));
+	tt_want(-1 == evhttp_uri_set_host(uri,"[1.2.3.4]"));
+	tt_want(-1 == evhttp_uri_set_host(uri,"["));
+	tt_want(-1 == evhttp_uri_set_host(uri,"www.[foo].com"));
+	tt_want(-1 == evhttp_uri_set_port(uri,-3));
+	tt_want(-1 == evhttp_uri_set_path(uri,"hello?world"));
+	tt_want(-1 == evhttp_uri_set_query(uri,"hello#world"));
+	tt_want(-1 == evhttp_uri_set_fragment(uri,"hello#world"));
+	/* Valid URI usage: setting valid values */
+	tt_want(0 == evhttp_uri_set_scheme(uri,"http"));
+	tt_want(0 == evhttp_uri_set_scheme(uri,NULL));
+	tt_want(0 == evhttp_uri_set_userinfo(uri,"username:pass"));
+	tt_want(0 == evhttp_uri_set_userinfo(uri,NULL));
+	tt_want(0 == evhttp_uri_set_host(uri,"www.example.com"));
+	tt_want(0 == evhttp_uri_set_host(uri,"1.2.3.4"));
+	tt_want(0 == evhttp_uri_set_host(uri,"[1:2:3:4::]"));
+	tt_want(0 == evhttp_uri_set_host(uri,"[v7.wobblewobble]"));
+	tt_want(0 == evhttp_uri_set_host(uri,NULL));
+	tt_want(0 == evhttp_uri_set_host(uri,""));
+	tt_want(0 == evhttp_uri_set_port(uri, -1));
+	tt_want(0 == evhttp_uri_set_port(uri, 80));
+	tt_want(0 == evhttp_uri_set_port(uri, 65535));
+	tt_want(0 == evhttp_uri_set_path(uri, ""));
+	tt_want(0 == evhttp_uri_set_path(uri, "/documents/public/index.html"));
+	tt_want(0 == evhttp_uri_set_path(uri, NULL));
+	tt_want(0 == evhttp_uri_set_query(uri, "key=val&key2=val2"));
+	tt_want(0 == evhttp_uri_set_query(uri, "keyvalblarg"));
+	tt_want(0 == evhttp_uri_set_query(uri, ""));
+	tt_want(0 == evhttp_uri_set_query(uri, NULL));
+	tt_want(0 == evhttp_uri_set_fragment(uri, ""));
+	tt_want(0 == evhttp_uri_set_fragment(uri, "here?i?am"));
+	tt_want(0 == evhttp_uri_set_fragment(uri, NULL));
+	evhttp_uri_free(uri);
+
+	/* Valid parsing */
+	uri = URI_PARSE("http://www.test.com/?q=t%33est");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=t%33est") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://www.test.com/?q=t%33est");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://%77ww.test.com");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "%77ww.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://%77ww.test.com");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://www.test.com?q=test");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://www.test.com?q=test");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://www.test.com#fragment");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want_str_op(evhttp_uri_get_fragment(uri), ==, "fragment");
+	TT_URI("http://www.test.com#fragment");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://8000/");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "8000") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://8000/");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://:8000/");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == 8000);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://:8000/");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://www.test.com:/"); /* empty port */
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want_str_op(evhttp_uri_get_path(uri), ==, "/");
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://www.test.com/");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("http://www.test.com:"); /* empty port 2 */
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "http") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("http://www.test.com");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("ftp://www.test.com/?q=test");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "www.test.com") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("ftp://www.test.com/?q=test");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("ftp://[::1]:999/?q=test");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "[::1]") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == 999);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("ftp://[::1]:999/?q=test");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("ftp://[ff00::127.0.0.1]/?q=test");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "[ff00::127.0.0.1]") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("ftp://[ff00::127.0.0.1]/?q=test");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("ftp://[v99.not_(any:time)_soon]/?q=test");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "ftp") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "[v99.not_(any:time)_soon]") == 0);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("ftp://[v99.not_(any:time)_soon]/?q=test");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("scheme://user:pass@foo.com:42/?q=test&s=some+thing#fragment");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0);
+	tt_want(strcmp(evhttp_uri_get_userinfo(uri), "user:pass") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0);
+	tt_want(evhttp_uri_get_port(uri) == 42);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=test&s=some+thing") == 0);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "fragment") == 0);
+	TT_URI("scheme://user:pass@foo.com:42/?q=test&s=some+thing#fragment");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("scheme://user@foo.com/#fragment");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0);
+	tt_want(strcmp(evhttp_uri_get_userinfo(uri), "user") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "fragment") == 0);
+	TT_URI("scheme://user@foo.com/#fragment");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("scheme://%75ser@foo.com/#frag@ment");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "scheme") == 0);
+	tt_want(strcmp(evhttp_uri_get_userinfo(uri), "%75ser") == 0);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "foo.com") == 0);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "frag@ment") == 0);
+	TT_URI("scheme://%75ser@foo.com/#frag@ment");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("file:///some/path/to/the/file");
+	tt_want(strcmp(evhttp_uri_get_scheme(uri), "file") == 0);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/some/path/to/the/file") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("file:///some/path/to/the/file");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("///some/path/to/the-file");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_scheme(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(strcmp(evhttp_uri_get_host(uri), "") == 0);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/some/path/to/the-file") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("///some/path/to/the-file");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("/s:ome/path/to/the-file?q=99#fred");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_scheme(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_host(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "/s:ome/path/to/the-file") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=99") == 0);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "fred") == 0);
+	TT_URI("/s:ome/path/to/the-file?q=99#fred");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("relative/path/with/co:lon");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_scheme(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_host(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "relative/path/with/co:lon") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(evhttp_uri_get_fragment(uri) == NULL);
+	TT_URI("relative/path/with/co:lon");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("bob?q=99&q2=q?33#fr?ed");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_scheme(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_host(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "bob") == 0);
+	tt_want(strcmp(evhttp_uri_get_query(uri), "q=99&q2=q?33") == 0);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "fr?ed") == 0);
+	TT_URI("bob?q=99&q2=q?33#fr?ed");
+	evhttp_uri_free(uri);
+
+	uri = URI_PARSE("#fr?ed");
+	tt_want(uri != NULL);
+	tt_want(evhttp_uri_get_scheme(uri) == NULL);
+	tt_want(evhttp_uri_get_userinfo(uri) == NULL);
+	tt_want(evhttp_uri_get_host(uri) == NULL);
+	tt_want(evhttp_uri_get_port(uri) == -1);
+	tt_want(strcmp(evhttp_uri_get_path(uri), "") == 0);
+	tt_want(evhttp_uri_get_query(uri) == NULL);
+	tt_want(strcmp(evhttp_uri_get_fragment(uri), "fr?ed") == 0);
+	TT_URI("#fr?ed");
+	evhttp_uri_free(uri);
+#undef URI_PARSE
+#undef TT_URI
+#undef BAD
+}
+
+static void
+http_uriencode_test(void *ptr)
+{
+	char *s=NULL, *s2=NULL;
+	size_t sz;
+	int bytes_decoded;
+
+#define ENC(from,want,plus) do {				\
+		s = evhttp_uriencode((from), -1, (plus));	\
+		tt_assert(s);					\
+		tt_str_op(s,==,(want));				\
+		sz = -1;					\
+		s2 = evhttp_uridecode((s), (plus), &sz);	\
+		tt_assert(s2);					\
+		tt_str_op(s2,==,(from));			\
+		tt_int_op(sz,==,strlen(from));			\
+		free(s);					\
+		free(s2);					\
+		s = s2 = NULL;					\
+	} while (0)
+
+#define DEC(from,want,dp) do {					\
+		s = evhttp_uridecode((from),(dp),&sz);		\
+		tt_assert(s);					\
+		tt_str_op(s,==,(want));				\
+		tt_int_op(sz,==,strlen(want));			\
+		free(s);					\
+		s = NULL;					\
+	} while (0)
+
+#define OLD_DEC(from,want)  do {				\
+		s = evhttp_decode_uri((from));			\
+		tt_assert(s);					\
+		tt_str_op(s,==,(want));				\
+		free(s);					\
+		s = NULL;					\
+	} while (0)
+
+
+      	ENC("Hello", "Hello",0);
+	ENC("99", "99",0);
+	ENC("", "",0);
+	ENC(
+	 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789-.~_",
+	 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789-.~_",0);
+	ENC(" ", "%20",0);
+	ENC(" ", "+",1);
+	ENC("\xff\xf0\xe0", "%FF%F0%E0",0);
+	ENC("\x01\x19", "%01%19",1);
+	ENC("http://www.ietf.org/rfc/rfc3986.txt",
+	    "http%3A%2F%2Fwww.ietf.org%2Frfc%2Frfc3986.txt",1);
+
+	ENC("1+2=3", "1%2B2%3D3",1);
+	ENC("1+2=3", "1%2B2%3D3",0);
+
+	/* Now try encoding with internal NULs. */
+	s = evhttp_uriencode("hello\0world", 11, 0);
+	tt_assert(s);
+	tt_str_op(s,==,"hello%00world");
+	free(s);
+	s = NULL;
+
+	/* Now try decoding just part of string. */
+	s = malloc(6 + 1 /* NUL byte */);
+	bytes_decoded = evhttp_decode_uri_internal("hello%20%20", 6, s, 0);
+	tt_assert(s);
+	tt_int_op(bytes_decoded,==,6);
+	tt_str_op(s,==,"hello%");
+	free(s);
+	s = NULL;
+
+	/* Now try out some decoding cases that we don't generate with
+	 * encode_uri: Make sure that malformed stuff doesn't crash... */
+	DEC("%%xhello th+ere \xff",
+	    "%%xhello th+ere \xff", 0);
+	/* Make sure plus decoding works */
+	DEC("plus+should%20work+", "plus should work ",1);
+	/* Try some lowercase hex */
+	DEC("%f0%a0%b0", "\xf0\xa0\xb0",1);
+
+	/* Try an internal NUL. */
+	sz = 0;
+	s = evhttp_uridecode("%00%00x%00%00", 1, &sz);
+	tt_int_op(sz,==,5);
+	tt_assert(!memcmp(s, "\0\0x\0\0", 5));
+	free(s);
+	s = NULL;
+
+	/* Try with size == NULL */
+	sz = 0;
+	s = evhttp_uridecode("%00%00x%00%00", 1, NULL);
+	tt_assert(!memcmp(s, "\0\0x\0\0", 5));
+	free(s);
+	s = NULL;
+
+	/* Test out the crazy old behavior of the deprecated
+	 * evhttp_decode_uri */
+	OLD_DEC("http://example.com/normal+path/?key=val+with+spaces",
+	        "http://example.com/normal+path/?key=val with spaces");
+
+end:
+	if (s)
+		free(s);
+	if (s2)
+		free(s2);
+#undef ENC
+#undef DEC
+#undef OLD_DEC
+}
+
+static void
+http_base_test(void *ptr)
+{
+	struct event_base *base = NULL;
+	struct bufferevent *bev;
+	evutil_socket_t fd;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct evhttp *http;
+	
+	test_ok = 0;
+	base = event_base_new();
+	tt_assert(base);
+	http = http_setup(&port, base, 0);
+
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(base, fd, 0);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, base);
+	bufferevent_base_set(base, bev);
+
+	http_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	event_base_dispatch(base);
+
+	bufferevent_free(bev);
+	evutil_closesocket(fd);
+
+	evhttp_free(http);
+
+	tt_int_op(test_ok, ==, 2);
+
+end:
+	if (base)
+		event_base_free(base);
+}
+
+/*
+ * the server is just going to close the connection if it times out during
+ * reading the headers.
+ */
+
+static void
+http_incomplete_readcb(struct bufferevent *bev, void *arg)
+{
+	test_ok = -1;
+	event_base_loopexit(exit_base,NULL);
+}
+
+static void
+http_incomplete_errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	/** For ssl */
+	if (what & BEV_EVENT_CONNECTED)
+		return;
+
+	if (what == (BEV_EVENT_READING|BEV_EVENT_EOF))
+		test_ok++;
+	else
+		test_ok = -2;
+	event_base_loopexit(exit_base,NULL);
+}
+
+static void
+http_incomplete_writecb(struct bufferevent *bev, void *arg)
+{
+	if (arg != NULL) {
+		evutil_socket_t fd = *(evutil_socket_t *)arg;
+		/* terminate the write side to simulate EOF */
+		shutdown(fd, EVUTIL_SHUT_WR);
+	}
+	if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
+		/* enable reading of the reply */
+		bufferevent_enable(bev, EV_READ);
+		test_ok++;
+	}
+}
+
+static void
+http_incomplete_test_(struct basic_test_data *data, int use_timeout, int ssl)
+{
+	struct bufferevent *bev;
+	evutil_socket_t fd;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct timeval tv_start, tv_end;
+	struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	evhttp_set_timeout(http, 1);
+
+	fd = http_connect("127.0.0.1", port);
+	tt_int_op(fd, >=, 0);
+
+	/* Stupid thing to send a request */
+	bev = create_bev(data->base, fd, ssl);
+	bufferevent_setcb(bev,
+	    http_incomplete_readcb, http_incomplete_writecb,
+	    http_incomplete_errorcb, use_timeout ? NULL : &fd);
+
+	http_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	evutil_gettimeofday(&tv_start, NULL);
+
+	event_base_dispatch(data->base);
+
+	evutil_gettimeofday(&tv_end, NULL);
+	evutil_timersub(&tv_end, &tv_start, &tv_end);
+
+	bufferevent_free(bev);
+	if (use_timeout) {
+		evutil_closesocket(fd);
+		fd = -1;
+	}
+
+	evhttp_free(http);
+
+	if (use_timeout && tv_end.tv_sec >= 3) {
+		tt_abort_msg("time");
+	} else if (!use_timeout && tv_end.tv_sec >= 1) {
+		/* we should be done immediately */
+		tt_abort_msg("time");
+	}
+
+	tt_int_op(test_ok, ==, 2);
+ end:
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+static void http_incomplete_test(void *arg)
+{ http_incomplete_test_(arg, 0, 0); }
+static void http_incomplete_timeout_test(void *arg)
+{ http_incomplete_test_(arg, 1, 0); }
+
+
+/*
+ * the server is going to reply with chunked data.
+ */
+
+static void
+http_chunked_readcb(struct bufferevent *bev, void *arg)
+{
+	/* nothing here */
+}
+
+static void
+http_chunked_errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	struct evhttp_request *req = NULL;
+
+	/** SSL */
+	if (what & BEV_EVENT_CONNECTED)
+		return;
+
+	if (!test_ok)
+		goto out;
+
+	test_ok = -1;
+
+	if ((what & BEV_EVENT_EOF) != 0) {
+		const char *header;
+		enum message_read_status done;
+		req = evhttp_request_new(NULL, NULL);
+
+		/* req->kind = EVHTTP_RESPONSE; */
+		done = evhttp_parse_firstline_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		done = evhttp_parse_headers_(req, bufferevent_get_input(bev));
+		if (done != ALL_DATA_READ)
+			goto out;
+
+		header = evhttp_find_header(evhttp_request_get_input_headers(req), "Transfer-Encoding");
+		if (header == NULL || strcmp(header, "chunked"))
+			goto out;
+
+		header = evhttp_find_header(evhttp_request_get_input_headers(req), "Connection");
+		if (header == NULL || strcmp(header, "close"))
+			goto out;
+
+		header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF);
+		if (header == NULL)
+			goto out;
+		/* 13 chars */
+		if (strcmp(header, "d")) {
+			free((void*)header);
+			goto out;
+		}
+		free((void*)header);
+
+		if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 13),
+			"This is funny", 13))
+			goto out;
+
+		evbuffer_drain(bufferevent_get_input(bev), 13 + 2);
+
+		header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF);
+		if (header == NULL)
+			goto out;
+		/* 18 chars */
+		if (strcmp(header, "12"))
+			goto out;
+		free((char *)header);
+
+		if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 18),
+			"but not hilarious.", 18))
+			goto out;
+
+		evbuffer_drain(bufferevent_get_input(bev), 18 + 2);
+
+		header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF);
+		if (header == NULL)
+			goto out;
+		/* 8 chars */
+		if (strcmp(header, "8")) {
+			free((void*)header);
+			goto out;
+		}
+		free((char *)header);
+
+		if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 8),
+			"bwv 1052.", 8))
+			goto out;
+
+		evbuffer_drain(bufferevent_get_input(bev), 8 + 2);
+
+		header = evbuffer_readln(bufferevent_get_input(bev), NULL, EVBUFFER_EOL_CRLF);
+		if (header == NULL)
+			goto out;
+		/* 0 chars */
+		if (strcmp(header, "0")) {
+			free((void*)header);
+			goto out;
+		}
+		free((void *)header);
+
+		test_ok = 2;
+	}
+
+out:
+	if (req)
+		evhttp_request_free(req);
+
+	event_base_loopexit(arg, NULL);
+}
+
+static void
+http_chunked_writecb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
+		/* enable reading of the reply */
+		bufferevent_enable(bev, EV_READ);
+		test_ok++;
+	}
+}
+
+static void
+http_chunked_request_done(struct evhttp_request *req, void *arg)
+{
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evhttp_find_header(evhttp_request_get_input_headers(req),
+		"Transfer-Encoding") == NULL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 13 + 18 + 8) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	if (strncmp((char *)evbuffer_pullup(evhttp_request_get_input_buffer(req), 13 + 18 + 8),
+		"This is funnybut not hilarious.bwv 1052",
+		13 + 18 + 8)) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_base_loopexit(arg, NULL);
+}
+
+static void
+http_chunk_out_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	evutil_socket_t fd;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	struct timeval tv_start, tv_end;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	int i;
+	struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	fd = http_connect("127.0.0.1", port);
+
+	/* Stupid thing to send a request */
+	bev = create_bev(data->base, fd, ssl);
+	bufferevent_setcb(bev,
+	    http_chunked_readcb, http_chunked_writecb,
+	    http_chunked_errorcb, data->base);
+
+	http_request =
+	    "GET /chunked HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+
+	evutil_gettimeofday(&tv_start, NULL);
+
+	event_base_dispatch(data->base);
+
+	bufferevent_free(bev);
+
+	evutil_gettimeofday(&tv_end, NULL);
+	evutil_timersub(&tv_end, &tv_start, &tv_end);
+
+	tt_int_op(tv_end.tv_sec, <, 1);
+
+	tt_int_op(test_ok, ==, 2);
+
+	/* now try again with the regular connection object */
+	bev = create_bev(data->base, -1, ssl);
+	evcon = evhttp_connection_base_bufferevent_new(
+		data->base, NULL, bev, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/* make two requests to check the keepalive behavior */
+	for (i = 0; i < 2; i++) {
+		test_ok = 0;
+		req = evhttp_request_new(http_chunked_request_done,data->base);
+
+		/* Add the information that we care about */
+		evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+		/* We give ownership of the request to the connection */
+		if (evhttp_make_request(evcon, req,
+			EVHTTP_REQ_GET, "/chunked") == -1) {
+			tt_abort_msg("Couldn't make request");
+		}
+
+		event_base_dispatch(data->base);
+
+		tt_assert(test_ok == 1);
+	}
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+static void http_chunk_out_test(void *arg)
+{ return http_chunk_out_test_impl(arg, 0); }
+
+static void
+http_stream_out_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct bufferevent *bev;
+	struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	test_ok = 0;
+	exit_base = data->base;
+
+	bev = create_bev(data->base, -1, ssl);
+	evcon = evhttp_connection_base_bufferevent_new(
+		data->base, NULL, bev, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_request_done,
+	    (void *)"This is funnybut not hilarious.bwv 1052");
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/streamed")
+	    == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+static void http_stream_out_test(void *arg)
+{ return http_stream_out_test_impl(arg, 0); }
+
+static void
+http_stream_in_chunk(struct evhttp_request *req, void *arg)
+{
+	struct evbuffer *reply = arg;
+
+	if (evhttp_request_get_response_code(req) != HTTP_OK) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	evbuffer_add_buffer(reply, evhttp_request_get_input_buffer(req));
+}
+
+static void
+http_stream_in_done(struct evhttp_request *req, void *arg)
+{
+	if (evbuffer_get_length(evhttp_request_get_input_buffer(req)) != 0) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	event_base_loopexit(exit_base, NULL);
+}
+
+/**
+ * Makes a request and reads the response in chunks.
+ */
+static void
+http_stream_in_test_(struct basic_test_data *data, char const *url,
+    size_t expected_len, char const *expected)
+{
+	struct evhttp_connection *evcon;
+	struct evbuffer *reply = evbuffer_new();
+	struct evhttp_request *req = NULL;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+
+	evcon = evhttp_connection_base_new(data->base, NULL,"127.0.0.1", port);
+	tt_assert(evcon);
+
+	req = evhttp_request_new(http_stream_in_done, reply);
+	evhttp_request_set_chunked_cb(req, http_stream_in_chunk);
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, url) == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	if (evbuffer_get_length(reply) != expected_len) {
+		TT_DIE(("reply length %lu; expected %lu; FAILED (%s)\n",
+				(unsigned long)evbuffer_get_length(reply),
+				(unsigned long)expected_len,
+				(char*)evbuffer_pullup(reply, -1)));
+	}
+
+	if (memcmp(evbuffer_pullup(reply, -1), expected, expected_len) != 0) {
+		tt_abort_msg("Memory mismatch");
+	}
+
+	test_ok = 1;
+ end:
+	if (reply)
+		evbuffer_free(reply);
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_stream_in_test(void *arg)
+{
+	http_stream_in_test_(arg, "/chunked", 13 + 18 + 8,
+	    "This is funnybut not hilarious.bwv 1052");
+
+	http_stream_in_test_(arg, "/test", strlen(BASIC_REQUEST_BODY),
+	    BASIC_REQUEST_BODY);
+}
+
+static void
+http_stream_in_cancel_chunk(struct evhttp_request *req, void *arg)
+{
+	tt_int_op(evhttp_request_get_response_code(req), ==, HTTP_OK);
+
+ end:
+	evhttp_cancel_request(req);
+	event_base_loopexit(arg, NULL);
+}
+
+static void
+http_stream_in_cancel_done(struct evhttp_request *req, void *arg)
+{
+	/* should never be called */
+	tt_fail_msg("In cancel done");
+}
+
+static void
+http_stream_in_cancel_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct evhttp_connection *evcon;
+	struct evhttp_request *req = NULL;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	req = evhttp_request_new(http_stream_in_cancel_done, data->base);
+	evhttp_request_set_chunked_cb(req, http_stream_in_cancel_chunk);
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/chunked") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	test_ok = 1;
+ end:
+	evhttp_connection_free(evcon);
+	evhttp_free(http);
+
+}
+
+static void
+http_connection_fail_done(struct evhttp_request *req, void *arg)
+{
+	struct evhttp_connection *evcon = arg;
+	struct event_base *base = evhttp_connection_get_base(evcon);
+
+	/* An ENETUNREACH error results in an unrecoverable
+	 * evhttp_connection error (see evhttp_connection_fail_()).  The
+	 * connection will be reset, and the user will be notified with a NULL
+	 * req parameter. */
+	tt_assert(!req);
+
+	evhttp_connection_free(evcon);
+
+	test_ok = 1;
+
+ end:
+	event_base_loopexit(base, NULL);
+}
+
+/* Test unrecoverable evhttp_connection errors by generating an ENETUNREACH
+ * error on connection. */
+static void
+http_connection_fail_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct bufferevent *bev;
+	struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	/* auto detect a port */
+	evhttp_free(http);
+
+	bev = create_bev(data->base, -1, ssl);
+	/* Pick an unroutable address. This administratively scoped multicast
+	 * address should do when working with TCP. */
+	evcon = evhttp_connection_base_bufferevent_new(
+		data->base, NULL, bev, "239.10.20.30", 80);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule an HTTP GET request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_connection_fail_done, evcon);
+	tt_assert(req);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(test_ok, ==, 1);
+
+ end:
+	;
+}
+static void http_connection_fail_test(void *arg)
+{ return http_connection_fail_test_impl(arg, 0); }
+
+static void
+http_connection_retry_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(req);
+	tt_int_op(evhttp_request_get_response_code(req), !=, HTTP_OK);
+	if (evhttp_find_header(evhttp_request_get_input_headers(req), "Content-Type") != NULL) {
+		tt_abort_msg("(content type)\n");
+	}
+
+	tt_uint_op(evbuffer_get_length(evhttp_request_get_input_buffer(req)), ==, 0);
+
+	test_ok = 1;
+ end:
+	event_base_loopexit(arg,NULL);
+}
+
+struct http_server
+{
+	ev_uint16_t port;
+	int ssl;
+	struct evhttp *http;
+};
+static struct event_base *http_make_web_server_base=NULL;
+static void
+http_make_web_server(evutil_socket_t fd, short what, void *arg)
+{
+	struct http_server *hs = (struct http_server *)arg;
+	hs->http = http_setup(&hs->port, http_make_web_server_base, hs->ssl ? HTTP_BIND_SSL : 0);
+}
+
+static void
+http_simple_test_impl(void *arg, int ssl, int dirty)
+{
+	struct basic_test_data *data = arg;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct bufferevent *bev;
+	struct http_server hs = { .port = 0, .ssl = ssl, };
+	struct evhttp *http = http_setup(&hs.port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	bev = create_bev(data->base, -1, ssl);
+#ifdef EVENT__HAVE_OPENSSL
+	bufferevent_openssl_set_allow_dirty_shutdown(bev, dirty);
+#endif
+
+	evcon = evhttp_connection_base_bufferevent_new(
+		data->base, NULL, bev, "127.0.0.1", hs.port);
+	tt_assert(evcon);
+	evhttp_connection_set_local_address(evcon, "127.0.0.1");
+
+	req = evhttp_request_new(http_request_done, (void*) BASIC_REQUEST_BODY);
+	tt_assert(req);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+	tt_int_op(test_ok, ==, 1);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+static void http_simple_test(void *arg)
+{ return http_simple_test_impl(arg, 0, 0); }
+
+static void
+http_connection_retry_test_basic(void *arg, const char *addr, struct evdns_base *dns_base, int ssl)
+{
+	struct basic_test_data *data = arg;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct timeval tv, tv_start, tv_end;
+	struct bufferevent *bev;
+	struct http_server hs = { .port = 0, .ssl = ssl, };
+	struct evhttp *http = http_setup(&hs.port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	/* auto detect a port */
+	evhttp_free(http);
+
+	bev = create_bev(data->base, -1, ssl);
+	evcon = evhttp_connection_base_bufferevent_new(data->base, dns_base, bev, addr, hs.port);
+	tt_assert(evcon);
+	if (dns_base)
+		tt_assert(!evhttp_connection_set_flags(evcon, EVHTTP_CON_REUSE_CONNECTED_ADDR));
+
+	evhttp_connection_set_timeout(evcon, 1);
+	/* also bind to local host */
+	evhttp_connection_set_local_address(evcon, "127.0.0.1");
+
+	/*
+	 * At this point, we want to schedule an HTTP GET request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_connection_retry_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/?arg=val") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_base_dispatch(data->base);
+	evutil_gettimeofday(&tv_end, NULL);
+	evutil_timersub(&tv_end, &tv_start, &tv_end);
+	tt_int_op(tv_end.tv_sec, <, 1);
+
+	tt_int_op(test_ok, ==, 1);
+
+	/*
+	 * now test the same but with retries
+	 */
+	test_ok = 0;
+	/** Shutdown dns server, to test conn_address reusing */
+	if (dns_base)
+		regress_clean_dnsserver();
+
+	{
+		const struct timeval tv_timeout = { 0, 500000 };
+		const struct timeval tv_retry = { 0, 500000 };
+		evhttp_connection_set_timeout_tv(evcon, &tv_timeout);
+		evhttp_connection_set_initial_retry_tv(evcon, &tv_retry);
+	}
+	evhttp_connection_set_retries(evcon, 1);
+
+	req = evhttp_request_new(http_connection_retry_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/?arg=val") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_base_dispatch(data->base);
+	evutil_gettimeofday(&tv_end, NULL);
+
+	/* fails fast, .5 sec to wait to retry, fails fast again. */
+	test_timeval_diff_leq(&tv_start, &tv_end, 500, 200);
+
+	tt_assert(test_ok == 1);
+
+	/*
+	 * now test the same but with retries and give it a web server
+	 * at the end
+	 */
+	test_ok = 0;
+
+	evhttp_connection_set_timeout(evcon, 1);
+	evhttp_connection_set_retries(evcon, 3);
+
+	req = evhttp_request_new(http_dispatcher_test_done, data->base);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET,
+		"/?arg=val") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	/* start up a web server .2 seconds after the connection tried
+	 * to send a request
+	 */
+	evutil_timerclear(&tv);
+	tv.tv_usec = 200000;
+	http_make_web_server_base = data->base;
+	event_base_once(data->base, -1, EV_TIMEOUT, http_make_web_server, &hs, &tv);
+
+	evutil_gettimeofday(&tv_start, NULL);
+	event_base_dispatch(data->base);
+	evutil_gettimeofday(&tv_end, NULL);
+	/* We'll wait twice as long as we did last time. */
+	test_timeval_diff_leq(&tv_start, &tv_end, 1000, 400);
+
+	tt_int_op(test_ok, ==, 1);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(hs.http);
+}
+
+static void
+http_connection_retry_conn_address_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t portnum = 0;
+	struct evdns_base *dns_base = NULL;
+	char address[64];
+
+	tt_assert(regress_dnsserver(data->base, &portnum, search_table));
+	dns_base = evdns_base_new(data->base, 0/* init name servers */);
+	tt_assert(dns_base);
+
+	/* Add ourself as the only nameserver, and make sure we really are
+	 * the only nameserver. */
+	evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum);
+	evdns_base_nameserver_ip_add(dns_base, address);
+
+	http_connection_retry_test_basic(arg, "localhost", dns_base, ssl);
+
+ end:
+	if (dns_base)
+		evdns_base_free(dns_base, 0);
+	/** dnsserver will be cleaned in http_connection_retry_test_basic() */
+}
+static void http_connection_retry_conn_address_test(void *arg)
+{ return http_connection_retry_conn_address_test_impl(arg, 0); }
+
+static void
+http_connection_retry_test_impl(void *arg, int ssl)
+{
+	return http_connection_retry_test_basic(arg, "127.0.0.1", NULL, ssl);
+}
+static void
+http_connection_retry_test(void *arg)
+{ return http_connection_retry_test_impl(arg, 0); }
+
+static void
+http_primitives(void *ptr)
+{
+	char *escaped = NULL;
+	struct evhttp *http = NULL;
+
+	escaped = evhttp_htmlescape("<script>");
+	tt_assert(escaped);
+	tt_str_op(escaped, ==, "&lt;script&gt;");
+	free(escaped);
+
+	escaped = evhttp_htmlescape("\"\'&");
+	tt_assert(escaped);
+	tt_str_op(escaped, ==, "&quot;&#039;&amp;");
+
+	http = evhttp_new(NULL);
+	tt_assert(http);
+	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, http), ==, 0);
+	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, http), ==, -1);
+	tt_int_op(evhttp_del_cb(http, "/test"), ==, 0);
+	tt_int_op(evhttp_del_cb(http, "/test"), ==, -1);
+	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, http), ==, 0);
+
+ end:
+	if (escaped)
+		free(escaped);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_multi_line_header_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev= NULL;
+	evutil_socket_t fd = -1;
+	const char *http_start_request;
+	ev_uint16_t port = 0;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	exit_base = data->base;
+	test_ok = 0;
+
+	tt_ptr_op(http, !=, NULL);
+
+	fd = http_connect("127.0.0.1", port);
+
+	tt_int_op(fd, !=, -1);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	tt_ptr_op(bev, !=, NULL);
+	bufferevent_setcb(bev, http_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	http_start_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "Connection: close\r\n"
+	    "X-Multi-Extra-WS:  libevent  \r\n"
+	    "\t\t\t2.1 \r\n"
+	    "X-Multi:  aaaaaaaa\r\n"
+	    " a\r\n"
+	    "\tEND\r\n"
+	    "X-Last: last\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_start_request, strlen(http_start_request));
+	found_multi = found_multi2 = 0;
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(found_multi, ==, 1);
+	tt_int_op(found_multi2, ==, 1);
+	tt_int_op(test_ok, ==, 4);
+ end:
+	if (bev)
+		bufferevent_free(bev);
+	if (fd >= 0)
+		evutil_closesocket(fd);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_request_bad(struct evhttp_request *req, void *arg)
+{
+	if (req != NULL) {
+		fprintf(stderr, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_base_loopexit(arg, NULL);
+}
+
+static void
+http_negative_content_length_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_request_bad, data->base);
+
+	/* Cause the response to have a negative content-length */
+	evhttp_add_header(evhttp_request_get_output_headers(req), "X-Negative", "makeitso");
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+
+static void
+http_data_length_constraints_test_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(req);
+	tt_int_op(evhttp_request_get_response_code(req), ==, HTTP_BADREQUEST);
+end:
+	event_base_loopexit(arg, NULL);
+}
+static void
+http_large_entity_test_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(req);
+	tt_int_op(evhttp_request_get_response_code(req), ==, HTTP_ENTITYTOOLARGE);
+end:
+	event_base_loopexit(arg, NULL);
+}
+#ifndef WIN32
+static void
+http_expectation_failed_done(struct evhttp_request *req, void *arg)
+{
+	tt_assert(req);
+	tt_int_op(evhttp_request_get_response_code(req), ==, HTTP_EXPECTATIONFAILED);
+end:
+	event_base_loopexit(arg, NULL);
+}
+#endif
+
+static void
+http_data_length_constraints_test_impl(void *arg, int read_on_write_error)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	char *long_str = NULL;
+	const size_t continue_size = 1<<20;
+	const size_t size = (1<<20) * 3;
+	void (*cb)(struct evhttp_request *, void *);
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+	cb = http_failed_request_done;
+#ifndef WIN32
+	if (read_on_write_error)
+		cb = http_data_length_constraints_test_done;
+#endif
+
+	tt_assert(continue_size < size);
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	if (read_on_write_error)
+		tt_assert(!evhttp_connection_set_flags(evcon, EVHTTP_CON_READ_ON_WRITE_ERROR));
+
+	/* also bind to local host */
+	evhttp_connection_set_local_address(evcon, "127.0.0.1");
+
+	/*
+	 * At this point, we want to schedule an HTTP GET request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_data_length_constraints_test_done, data->base);
+	tt_assert(req);
+
+	long_str = malloc(size);
+	memset(long_str, 'a', size);
+	long_str[size - 1] = '\0';
+	/* Add the information that we care about */
+	evhttp_set_max_headers_size(http, size - 1);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Longheader", long_str);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/?arg=val") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+	req = evhttp_request_new(http_data_length_constraints_test_done, data->base);
+	tt_assert(req);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+
+	/* GET /?arg=verylongvalue HTTP/1.1 */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, long_str) == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+#ifndef WIN32
+	if (read_on_write_error)
+		cb = http_large_entity_test_done;
+#endif
+	evhttp_set_max_body_size(http, size - 2);
+	req = evhttp_request_new(cb, data->base);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), "%s", long_str);
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+	req = evhttp_request_new(http_large_entity_test_done, data->base);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Expect", "100-continue");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), "%s", long_str);
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+	req = evhttp_request_new(http_dispatcher_test_done, data->base);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Expect", "100-continue");
+	long_str[continue_size] = '\0';
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), "%s", long_str);
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+#ifndef WIN32
+	if (read_on_write_error)
+		cb = http_expectation_failed_done;
+#endif
+	req = evhttp_request_new(cb, data->base);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Expect", "101-continue");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), "%s", long_str);
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+	test_ok = 1;
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+	if (long_str)
+		free(long_str);
+}
+static void http_data_length_constraints_test(void *arg)
+{ http_data_length_constraints_test_impl(arg, 0); }
+static void http_read_on_write_error_test(void *arg)
+{ http_data_length_constraints_test_impl(arg, 1); }
+
+static void
+http_lingering_close_test_impl(void *arg, int lingering)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	char *long_str = NULL;
+	size_t size = (1<<20) * 3;
+	void (*cb)(struct evhttp_request *, void *);
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	if (lingering)
+		tt_assert(!evhttp_set_flags(http, EVHTTP_SERVER_LINGERING_CLOSE));
+	evhttp_set_max_body_size(http, size / 2);
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+	evhttp_connection_set_local_address(evcon, "127.0.0.1");
+
+	/*
+	 * At this point, we want to schedule an HTTP GET request
+	 * server using our make request method.
+	 */
+
+	long_str = malloc(size);
+	memset(long_str, 'a', size);
+	long_str[size - 1] = '\0';
+
+	if (lingering)
+		cb = http_large_entity_test_done;
+	else
+		cb = http_failed_request_done;
+	req = evhttp_request_new(cb, data->base);
+	tt_assert(req);
+	evhttp_add_header(evhttp_request_get_output_headers(req), "Host", "somehost");
+	evbuffer_add_printf(evhttp_request_get_output_buffer(req), "%s", long_str);
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_POST, "/") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	event_base_dispatch(data->base);
+
+	test_ok = 1;
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+	if (long_str)
+		free(long_str);
+}
+static void http_non_lingering_close_test(void *arg)
+{ http_lingering_close_test_impl(arg, 0); }
+static void http_lingering_close_test(void *arg)
+{ http_lingering_close_test_impl(arg, 1); }
+
+/*
+ * Testing client reset of server chunked connections
+ */
+
+struct terminate_state {
+	struct event_base *base;
+	struct evhttp_request *req;
+	struct bufferevent *bev;
+	evutil_socket_t fd;
+	int gotclosecb: 1;
+	int oneshot: 1;
+};
+
+static void
+terminate_chunked_trickle_cb(evutil_socket_t fd, short events, void *arg)
+{
+	struct terminate_state *state = arg;
+	struct evbuffer *evb;
+
+	if (!state->req) {
+		return;
+	}
+
+	if (evhttp_request_get_connection(state->req) == NULL) {
+		test_ok = 1;
+		evhttp_request_free(state->req);
+		event_base_loopexit(state->base,NULL);
+		return;
+	}
+
+	evb = evbuffer_new();
+	evbuffer_add_printf(evb, "%p", evb);
+	evhttp_send_reply_chunk(state->req, evb);
+	evbuffer_free(evb);
+
+	if (!state->oneshot) {
+		struct timeval tv;
+		tv.tv_sec = 0;
+		tv.tv_usec = 3000;
+		EVUTIL_ASSERT(state);
+		EVUTIL_ASSERT(state->base);
+		event_base_once(state->base, -1, EV_TIMEOUT, terminate_chunked_trickle_cb, arg, &tv);
+	}
+}
+
+static void
+terminate_chunked_close_cb(struct evhttp_connection *evcon, void *arg)
+{
+	struct terminate_state *state = arg;
+	state->gotclosecb = 1;
+
+	/** TODO: though we can do this unconditionally */
+	if (state->oneshot) {
+		evhttp_request_free(state->req);
+		state->req = NULL;
+		event_base_loopexit(state->base,NULL);
+	}
+}
+
+static void
+terminate_chunked_cb(struct evhttp_request *req, void *arg)
+{
+	struct terminate_state *state = arg;
+	struct timeval tv;
+
+	/* we want to know if this connection closes on us */
+	evhttp_connection_set_closecb(
+		evhttp_request_get_connection(req),
+		terminate_chunked_close_cb, arg);
+
+	state->req = req;
+
+	evhttp_send_reply_start(req, HTTP_OK, "OK");
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 3000;
+	event_base_once(state->base, -1, EV_TIMEOUT, terminate_chunked_trickle_cb, arg, &tv);
+}
+
+static void
+terminate_chunked_client(evutil_socket_t fd, short event, void *arg)
+{
+	struct terminate_state *state = arg;
+	bufferevent_free(state->bev);
+	evutil_closesocket(state->fd);
+}
+
+static void
+terminate_readcb(struct bufferevent *bev, void *arg)
+{
+	/* just drop the data */
+	evbuffer_drain(bufferevent_get_input(bev), -1);
+}
+
+
+static void
+http_terminate_chunked_test_impl(void *arg, int oneshot)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev = NULL;
+	struct timeval tv;
+	const char *http_request;
+	ev_uint16_t port = 0;
+	evutil_socket_t fd = -1;
+	struct terminate_state terminate_state;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+
+	evhttp_del_cb(http, "/test");
+	tt_assert(evhttp_set_cb(http, "/test",
+		terminate_chunked_cb, &terminate_state) == 0);
+
+	fd = http_connect("127.0.0.1", port);
+
+	/* Stupid thing to send a request */
+	bev = bufferevent_socket_new(data->base, fd, 0);
+	bufferevent_setcb(bev, terminate_readcb, http_writecb,
+	    http_errorcb, data->base);
+
+	memset(&terminate_state, 0, sizeof(terminate_state));
+	terminate_state.base = data->base;
+	terminate_state.fd = fd;
+	terminate_state.bev = bev;
+	terminate_state.gotclosecb = 0;
+	terminate_state.oneshot = oneshot;
+
+	/* first half of the http request */
+	http_request =
+	    "GET /test HTTP/1.1\r\n"
+	    "Host: some\r\n\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+	evutil_timerclear(&tv);
+	tv.tv_usec = 10000;
+	event_base_once(data->base, -1, EV_TIMEOUT, terminate_chunked_client, &terminate_state,
+	    &tv);
+
+	event_base_dispatch(data->base);
+
+	if (terminate_state.gotclosecb == 0)
+		test_ok = 0;
+
+ end:
+	if (fd >= 0)
+		evutil_closesocket(fd);
+	if (http)
+		evhttp_free(http);
+}
+static void
+http_terminate_chunked_test(void *arg)
+{
+	http_terminate_chunked_test_impl(arg, 0);
+}
+static void
+http_terminate_chunked_oneshot_test(void *arg)
+{
+	http_terminate_chunked_test_impl(arg, 1);
+}
+
+static struct regress_dns_server_table ipv6_search_table[] = {
+	{ "localhost", "AAAA", "::1", 0, 0 },
+	{ NULL, NULL, NULL, 0, 0 }
+};
+
+static void
+http_ipv6_for_domain_test_impl(void *arg, int family)
+{
+	struct basic_test_data *data = arg;
+	struct evdns_base *dns_base = NULL;
+	ev_uint16_t portnum = 0;
+	char address[64];
+
+	tt_assert(regress_dnsserver(data->base, &portnum, ipv6_search_table));
+
+	dns_base = evdns_base_new(data->base, 0/* init name servers */);
+	tt_assert(dns_base);
+
+	/* Add ourself as the only nameserver, and make sure we really are
+	 * the only nameserver. */
+	evutil_snprintf(address, sizeof(address), "127.0.0.1:%d", portnum);
+	evdns_base_nameserver_ip_add(dns_base, address);
+
+	http_connection_test_(arg, 0 /* not persistent */, "localhost", dns_base,
+		1 /* ipv6 */, family, 0);
+
+ end:
+	if (dns_base)
+		evdns_base_free(dns_base, 0);
+	regress_clean_dnsserver();
+}
+static void
+http_ipv6_for_domain_test(void *arg)
+{
+	http_ipv6_for_domain_test_impl(arg, AF_UNSPEC);
+}
+
+static void
+http_request_get_addr_on_close(struct evhttp_connection *evcon, void *arg)
+{
+	const struct sockaddr *storage;
+	char addrbuf[128];
+	char local[] = "127.0.0.1:";
+
+	test_ok = 0;
+	tt_assert(evcon);
+
+	storage = evhttp_connection_get_addr(evcon);
+	tt_assert(storage);
+
+	evutil_format_sockaddr_port_((struct sockaddr *)storage, addrbuf, sizeof(addrbuf));
+	tt_assert(!strncmp(addrbuf, local, sizeof(local) - 1));
+
+	test_ok = 1;
+	return;
+
+end:
+	test_ok = 0;
+}
+
+static void
+http_get_addr_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+	exit_base = data->base;
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+	evhttp_connection_set_closecb(evcon, http_request_get_addr_on_close, arg);
+
+	/*
+	 * At this point, we want to schedule a request to the HTTP
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(http_request_done, (void *)BASIC_REQUEST_BODY);
+
+	/* We give ownership of the request to the connection */
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+
+	event_base_dispatch(data->base);
+
+	http_request_get_addr_on_close(evcon, NULL);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+http_set_family_test(void *arg)
+{
+	http_connection_test_(arg, 0, "127.0.0.1", NULL, 0, AF_UNSPEC, 0);
+}
+static void
+http_set_family_ipv4_test(void *arg)
+{
+	http_connection_test_(arg, 0, "127.0.0.1", NULL, 0, AF_INET, 0);
+}
+static void
+http_set_family_ipv6_test(void *arg)
+{
+	http_ipv6_for_domain_test_impl(arg, AF_INET6);
+}
+
+static void
+http_write_during_read(evutil_socket_t fd, short what, void *arg)
+{
+	struct bufferevent *bev = arg;
+	struct timeval tv;
+
+	bufferevent_write(bev, "foobar", strlen("foobar"));
+
+	evutil_timerclear(&tv);
+	tv.tv_sec = 1;
+	event_base_loopexit(exit_base, &tv);
+}
+static void
+http_write_during_read_test_impl(void *arg, int ssl)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct bufferevent *bev = NULL;
+	struct timeval tv;
+	int fd;
+	const char *http_request;
+	struct evhttp *http = http_setup(&port, data->base, ssl ? HTTP_BIND_SSL : 0);
+
+	test_ok = 0;
+	exit_base = data->base;
+
+	fd = http_connect("127.0.0.1", port);
+	bev = create_bev(data->base, fd, 0);
+	bufferevent_setcb(bev, NULL, NULL, NULL, data->base);
+	bufferevent_disable(bev, EV_READ);
+
+	http_request =
+	    "GET /large HTTP/1.1\r\n"
+	    "Host: somehost\r\n"
+	    "\r\n";
+
+	bufferevent_write(bev, http_request, strlen(http_request));
+	evutil_timerclear(&tv);
+	tv.tv_usec = 10000;
+	event_base_once(data->base, -1, EV_TIMEOUT, http_write_during_read, bev, &tv);
+
+	event_base_dispatch(data->base);
+
+	if (bev)
+		bufferevent_free(bev);
+	if (http)
+		evhttp_free(http);
+}
+static void http_write_during_read_test(void *arg)
+{ return http_write_during_read_test_impl(arg, 0); }
+
+static void
+http_request_own_test(void *arg)
+{
+	struct basic_test_data *data = arg;
+	ev_uint16_t port = 0;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct evhttp *http = http_setup(&port, data->base, 0);
+
+	test_ok = 0;
+	exit_base = data->base;
+
+	evhttp_free(http);
+
+	evcon = evhttp_connection_base_new(data->base, NULL, "127.0.0.1", port);
+	tt_assert(evcon);
+
+	req = evhttp_request_new(http_request_no_action_done, NULL);
+
+	if (evhttp_make_request(evcon, req, EVHTTP_REQ_GET, "/test") == -1) {
+		tt_abort_msg("Couldn't make request");
+	}
+	evhttp_request_own(req);
+
+	event_base_dispatch(data->base);
+
+ end:
+	if (evcon)
+		evhttp_connection_free(evcon);
+	if (req)
+		evhttp_request_free(req);
+
+	test_ok = 1;
+}
+
+#define HTTP_LEGACY(name)						\
+	{ #name, run_legacy_test_fn, TT_ISOLATED|TT_LEGACY, &legacy_setup, \
+		    http_##name##_test }
+
+#define HTTP_CAST_ARG(a) ((void *)(a))
+#define HTTP_OFF_N(title, name, arg) \
+	{ #title, http_##name##_test, TT_ISOLATED|TT_OFF_BY_DEFAULT, &basic_setup, HTTP_CAST_ARG(arg) }
+#define HTTP_N(title, name, arg) \
+	{ #title, http_##name##_test, TT_ISOLATED, &basic_setup, HTTP_CAST_ARG(arg) }
+#define HTTP(name) HTTP_N(name, name, NULL)
+#define HTTPS(name) \
+	{ "https_" #name, https_##name##_test, TT_ISOLATED, &basic_setup, NULL }
+
+#ifdef EVENT__HAVE_OPENSSL
+static void https_basic_test(void *arg)
+{ return http_basic_test_impl(arg, 1); }
+static void https_filter_basic_test(void *arg)
+{ return http_basic_test_impl(arg, 1 | HTTP_SSL_FILTER); }
+static void https_incomplete_test(void *arg)
+{ http_incomplete_test_(arg, 0, 1); }
+static void https_incomplete_timeout_test(void *arg)
+{ http_incomplete_test_(arg, 1, 1); }
+static void https_simple_test(void *arg)
+{ return http_simple_test_impl(arg, 1, 0); }
+static void https_simple_dirty_test(void *arg)
+{ return http_simple_test_impl(arg, 1, 1); }
+static void https_connection_retry_conn_address_test(void *arg)
+{ return http_connection_retry_conn_address_test_impl(arg, 1); }
+static void https_connection_retry_test(void *arg)
+{ return http_connection_retry_test_impl(arg, 1); }
+static void https_chunk_out_test(void *arg)
+{ return http_chunk_out_test_impl(arg, 1); }
+static void https_filter_chunk_out_test(void *arg)
+{ return http_chunk_out_test_impl(arg, 1 | HTTP_SSL_FILTER); }
+static void https_stream_out_test(void *arg)
+{ return http_stream_out_test_impl(arg, 1); }
+static void https_connection_fail_test(void *arg)
+{ return http_connection_fail_test_impl(arg, 1); }
+static void https_write_during_read_test(void *arg)
+{ return http_write_during_read_test_impl(arg, 1); }
+static void https_connection_test(void *arg)
+{ return http_connection_test_(arg, 0, "127.0.0.1", NULL, 0, AF_UNSPEC, 1); }
+static void https_persist_connection_test(void *arg)
+{ return http_connection_test_(arg, 1, "127.0.0.1", NULL, 0, AF_UNSPEC, 1); }
+#endif
+
+struct testcase_t http_testcases[] = {
+	{ "primitives", http_primitives, 0, NULL, NULL },
+	{ "base", http_base_test, TT_FORK, NULL, NULL },
+	{ "bad_headers", http_bad_header_test, 0, NULL, NULL },
+	{ "parse_query", http_parse_query_test, 0, NULL, NULL },
+	{ "parse_uri", http_parse_uri_test, 0, NULL, NULL },
+	{ "parse_uri_nc", http_parse_uri_test, 0, &basic_setup, (void*)"nc" },
+	{ "uriencode", http_uriencode_test, 0, NULL, NULL },
+	HTTP(basic),
+	HTTP(simple),
+
+	HTTP_N(cancel, cancel, BASIC),
+	HTTP_N(cancel_by_host, cancel, BY_HOST),
+	HTTP_N(cancel_by_host_no_ns, cancel, BY_HOST | NO_NS),
+	HTTP_N(cancel_by_host_inactive_server, cancel, BY_HOST | INACTIVE_SERVER),
+	HTTP_N(cancel_inactive_server, cancel, INACTIVE_SERVER),
+	HTTP_N(cancel_by_host_no_ns_inactive_server, cancel, BY_HOST | NO_NS | INACTIVE_SERVER),
+	HTTP_OFF_N(cancel_by_host_server_timeout, cancel, BY_HOST | INACTIVE_SERVER | SERVER_TIMEOUT),
+	HTTP_OFF_N(cancel_server_timeout, cancel, INACTIVE_SERVER | SERVER_TIMEOUT),
+	HTTP_OFF_N(cancel_by_host_no_ns_server_timeout, cancel, BY_HOST | NO_NS | INACTIVE_SERVER | SERVER_TIMEOUT),
+	HTTP_OFF_N(cancel_by_host_ns_timeout_server_timeout, cancel, BY_HOST | NO_NS | NS_TIMEOUT | INACTIVE_SERVER | SERVER_TIMEOUT),
+	HTTP_N(cancel_by_host_ns_timeout, cancel, BY_HOST | NO_NS | NS_TIMEOUT),
+	HTTP_N(cancel_by_host_ns_timeout_inactive_server, cancel, BY_HOST | NO_NS | NS_TIMEOUT | INACTIVE_SERVER),
+
+	HTTP(virtual_host),
+	HTTP(post),
+	HTTP(put),
+	HTTP(delete),
+	HTTP(allowed_methods),
+	HTTP(failure),
+	HTTP(connection),
+	HTTP(persist_connection),
+	HTTP(autofree_connection),
+	HTTP(connection_async),
+	HTTP(close_detection),
+	HTTP(close_detection_delay),
+	HTTP(bad_request),
+	HTTP(incomplete),
+	HTTP(incomplete_timeout),
+	HTTP(terminate_chunked),
+	HTTP(terminate_chunked_oneshot),
+	HTTP(on_complete),
+
+	HTTP(highport),
+	HTTP(dispatcher),
+	HTTP(multi_line_header),
+	HTTP(negative_content_length),
+	HTTP(chunk_out),
+	HTTP(stream_out),
+
+	HTTP(stream_in),
+	HTTP(stream_in_cancel),
+
+	HTTP(connection_fail),
+	{ "connection_retry", http_connection_retry_test, TT_ISOLATED|TT_OFF_BY_DEFAULT, &basic_setup, NULL },
+	{ "connection_retry_conn_address", http_connection_retry_conn_address_test,
+	  TT_ISOLATED|TT_OFF_BY_DEFAULT, &basic_setup, NULL },
+
+	HTTP(data_length_constraints),
+	HTTP(read_on_write_error),
+	HTTP(non_lingering_close),
+	HTTP(lingering_close),
+
+	HTTP(ipv6_for_domain),
+	HTTP(get_addr),
+
+	HTTP(set_family),
+	HTTP(set_family_ipv4),
+	HTTP(set_family_ipv6),
+
+	HTTP(write_during_read),
+	HTTP(request_own),
+
+#ifdef EVENT__HAVE_OPENSSL
+	HTTPS(basic),
+	HTTPS(filter_basic),
+	HTTPS(simple),
+	HTTPS(simple_dirty),
+	HTTPS(incomplete),
+	HTTPS(incomplete_timeout),
+	{ "https_connection_retry", https_connection_retry_test, TT_ISOLATED|TT_OFF_BY_DEFAULT, &basic_setup, NULL },
+	{ "https_connection_retry_conn_address", https_connection_retry_conn_address_test,
+	  TT_ISOLATED|TT_OFF_BY_DEFAULT, &basic_setup, NULL },
+	HTTPS(chunk_out),
+	HTTPS(filter_chunk_out),
+	HTTPS(stream_out),
+	HTTPS(connection_fail),
+	HTTPS(write_during_read),
+	HTTPS(connection),
+	HTTPS(persist_connection),
+#endif
+
+	END_OF_TESTCASES
+};
+
diff --git a/test/regress_iocp.c b/test/regress_iocp.c
new file mode 100644
index 0000000..17b3852
--- /dev/null
+++ b/test/regress_iocp.c
@@ -0,0 +1,352 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "event2/event.h"
+#include "event2/thread.h"
+#include "event2/buffer.h"
+#include "event2/buffer_compat.h"
+#include "event2/bufferevent.h"
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+#include "regress.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <winsock2.h>
+#undef WIN32_LEAN_AND_MEAN
+
+#include "iocp-internal.h"
+#include "evbuffer-internal.h"
+#include "evthread-internal.h"
+
+/* FIXME remove these ones */
+#include <sys/queue.h>
+#include "event2/event_struct.h"
+#include "event-internal.h"
+
+#define MAX_CALLS 16
+
+static void *count_lock = NULL, *count_cond = NULL;
+static int count = 0;
+
+static void
+count_init(void)
+{
+	EVTHREAD_ALLOC_LOCK(count_lock, 0);
+	EVTHREAD_ALLOC_COND(count_cond);
+
+	tt_assert(count_lock);
+	tt_assert(count_cond);
+
+end:
+	;
+}
+
+static void
+count_free(void)
+{
+	EVTHREAD_FREE_LOCK(count_lock, 0);
+	EVTHREAD_FREE_COND(count_cond);
+}
+
+static void
+count_incr(void)
+{
+	EVLOCK_LOCK(count_lock, 0);
+	count++;
+	EVTHREAD_COND_BROADCAST(count_cond);
+	EVLOCK_UNLOCK(count_lock, 0);
+}
+
+static int
+count_wait_for(int i, int ms)
+{
+	struct timeval tv;
+	DWORD elapsed;
+	int rv = -1;
+
+	EVLOCK_LOCK(count_lock, 0);
+	while (ms > 0 && count != i) {
+		tv.tv_sec = 0;
+		tv.tv_usec = ms * 1000;
+		elapsed = GetTickCount();
+		EVTHREAD_COND_WAIT_TIMED(count_cond, count_lock, &tv);
+		elapsed = GetTickCount() - elapsed;
+		ms -= elapsed;
+	}
+	if (count == i)
+		rv = 0;
+	EVLOCK_UNLOCK(count_lock, 0);
+
+	return rv;
+}
+
+struct dummy_overlapped {
+	struct event_overlapped eo;
+	void *lock;
+	int call_count;
+	uintptr_t keys[MAX_CALLS];
+	ev_ssize_t sizes[MAX_CALLS];
+};
+
+static void
+dummy_cb(struct event_overlapped *o, uintptr_t key, ev_ssize_t n, int ok)
+{
+	struct dummy_overlapped *d_o =
+	    EVUTIL_UPCAST(o, struct dummy_overlapped, eo);
+
+	EVLOCK_LOCK(d_o->lock, 0);
+	if (d_o->call_count < MAX_CALLS) {
+		d_o->keys[d_o->call_count] = key;
+		d_o->sizes[d_o->call_count] = n;
+	}
+	d_o->call_count++;
+	EVLOCK_UNLOCK(d_o->lock, 0);
+
+	count_incr();
+}
+
+static int
+pair_is_in(struct dummy_overlapped *o, uintptr_t key, ev_ssize_t n)
+{
+	int i;
+	int result = 0;
+	EVLOCK_LOCK(o->lock, 0);
+	for (i=0; i < o->call_count; ++i) {
+		if (o->keys[i] == key && o->sizes[i] == n) {
+			result = 1;
+			break;
+		}
+	}
+	EVLOCK_UNLOCK(o->lock, 0);
+	return result;
+}
+
+static void
+test_iocp_port(void *ptr)
+{
+	struct event_iocp_port *port = NULL;
+	struct dummy_overlapped o1, o2;
+
+	memset(&o1, 0, sizeof(o1));
+	memset(&o2, 0, sizeof(o2));
+
+	count_init();
+	EVTHREAD_ALLOC_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	EVTHREAD_ALLOC_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+
+	tt_assert(o1.lock);
+	tt_assert(o2.lock);
+
+	event_overlapped_init_(&o1.eo, dummy_cb);
+	event_overlapped_init_(&o2.eo, dummy_cb);
+
+	port = event_iocp_port_launch_(0);
+	tt_assert(port);
+
+	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 10, 100));
+	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 20, 200));
+
+	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 11, 101));
+	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 21, 201));
+
+	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 12, 102));
+	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 22, 202));
+
+	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 13, 103));
+	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 23, 203));
+
+	tt_int_op(count_wait_for(8, 2000), ==, 0);
+
+	tt_want(!event_iocp_shutdown_(port, 2000));
+
+	tt_int_op(o1.call_count, ==, 4);
+	tt_int_op(o2.call_count, ==, 4);
+
+	tt_want(pair_is_in(&o1, 10, 100));
+	tt_want(pair_is_in(&o1, 11, 101));
+	tt_want(pair_is_in(&o1, 12, 102));
+	tt_want(pair_is_in(&o1, 13, 103));
+
+	tt_want(pair_is_in(&o2, 20, 200));
+	tt_want(pair_is_in(&o2, 21, 201));
+	tt_want(pair_is_in(&o2, 22, 202));
+	tt_want(pair_is_in(&o2, 23, 203));
+
+end:
+	EVTHREAD_FREE_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	EVTHREAD_FREE_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	count_free();
+}
+
+static struct evbuffer *rbuf = NULL, *wbuf = NULL;
+
+static void
+read_complete(struct event_overlapped *eo, uintptr_t key,
+    ev_ssize_t nbytes, int ok)
+{
+	tt_assert(ok);
+	evbuffer_commit_read_(rbuf, nbytes);
+	count_incr();
+end:
+	;
+}
+
+static void
+write_complete(struct event_overlapped *eo, uintptr_t key,
+    ev_ssize_t nbytes, int ok)
+{
+	tt_assert(ok);
+	evbuffer_commit_write_(wbuf, nbytes);
+	count_incr();
+end:
+	;
+}
+
+static void
+test_iocp_evbuffer(void *ptr)
+{
+	struct event_overlapped rol, wol;
+	struct basic_test_data *data = ptr;
+	struct event_iocp_port *port = NULL;
+	struct evbuffer *buf=NULL;
+	struct evbuffer_chain *chain;
+	char junk[1024];
+	int i;
+
+	count_init();
+	event_overlapped_init_(&rol, read_complete);
+	event_overlapped_init_(&wol, write_complete);
+
+	for (i = 0; i < (int)sizeof(junk); ++i)
+		junk[i] = (char)(i);
+
+	rbuf = evbuffer_overlapped_new_(data->pair[0]);
+	wbuf = evbuffer_overlapped_new_(data->pair[1]);
+	evbuffer_enable_locking(rbuf, NULL);
+	evbuffer_enable_locking(wbuf, NULL);
+
+	port = event_iocp_port_launch_(0);
+	tt_assert(port);
+	tt_assert(rbuf);
+	tt_assert(wbuf);
+
+	tt_assert(!event_iocp_port_associate_(port, data->pair[0], 100));
+	tt_assert(!event_iocp_port_associate_(port, data->pair[1], 100));
+
+	for (i=0;i<10;++i)
+		evbuffer_add(wbuf, junk, sizeof(junk));
+
+	buf = evbuffer_new();
+	tt_assert(buf != NULL);
+	evbuffer_add(rbuf, junk, sizeof(junk));
+	tt_assert(!evbuffer_launch_read_(rbuf, 2048, &rol));
+	evbuffer_add_buffer(buf, rbuf);
+	tt_int_op(evbuffer_get_length(buf), ==, sizeof(junk));
+	for (chain = buf->first; chain; chain = chain->next)
+		tt_int_op(chain->flags & EVBUFFER_MEM_PINNED_ANY, ==, 0);
+	tt_assert(!evbuffer_get_length(rbuf));
+	tt_assert(!evbuffer_launch_write_(wbuf, 512, &wol));
+
+	tt_int_op(count_wait_for(2, 2000), ==, 0);
+
+	tt_int_op(evbuffer_get_length(rbuf),==,512);
+
+	/* FIXME Actually test some stuff here. */
+
+	tt_want(!event_iocp_shutdown_(port, 2000));
+end:
+	count_free();
+	evbuffer_free(rbuf);
+	evbuffer_free(wbuf);
+	if (buf) evbuffer_free(buf);
+}
+
+static int got_readcb = 0;
+
+static void
+async_readcb(struct bufferevent *bev, void *arg)
+{
+	/* Disabling read should cause the loop to quit */
+	bufferevent_disable(bev, EV_READ);
+	got_readcb++;
+}
+
+static void
+test_iocp_bufferevent_async(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	struct event_iocp_port *port = NULL;
+	struct bufferevent *bea1=NULL, *bea2=NULL;
+	char buf[128];
+	size_t n;
+
+	event_base_start_iocp_(data->base, 0);
+	port = event_base_get_iocp_(data->base);
+	tt_assert(port);
+
+	bea1 = bufferevent_async_new_(data->base, data->pair[0],
+	    BEV_OPT_DEFER_CALLBACKS);
+	bea2 = bufferevent_async_new_(data->base, data->pair[1],
+	    BEV_OPT_DEFER_CALLBACKS);
+	tt_assert(bea1);
+	tt_assert(bea2);
+
+	bufferevent_setcb(bea2, async_readcb, NULL, NULL, NULL);
+	bufferevent_enable(bea1, EV_WRITE);
+	bufferevent_enable(bea2, EV_READ);
+
+	bufferevent_write(bea1, "Hello world", strlen("Hello world")+1);
+
+	event_base_dispatch(data->base);
+
+	tt_int_op(got_readcb, ==, 1);
+	n = bufferevent_read(bea2, buf, sizeof(buf)-1);
+	buf[n]='\0';
+	tt_str_op(buf, ==, "Hello world");
+
+end:
+	bufferevent_free(bea1);
+	bufferevent_free(bea2);
+}
+
+
+struct testcase_t iocp_testcases[] = {
+	{ "port", test_iocp_port, TT_FORK|TT_NEED_THREADS, &basic_setup, NULL },
+	{ "evbuffer", test_iocp_evbuffer,
+	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS,
+	  &basic_setup, NULL },
+	{ "bufferevent_async", test_iocp_bufferevent_async,
+	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS|TT_NEED_BASE,
+	  &basic_setup, NULL },
+	END_OF_TESTCASES
+};
diff --git a/test/regress_listener.c b/test/regress_listener.c
new file mode 100644
index 0000000..72f7237
--- /dev/null
+++ b/test/regress_listener.c
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include <sys/types.h>
+
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <netinet/in.h>
+# ifdef _XOPEN_SOURCE_EXTENDED
+#  include <arpa/inet.h>
+# endif
+#include <unistd.h>
+#endif
+#ifdef EVENT__HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
+#include <string.h>
+
+#include "event2/listener.h"
+#include "event2/event.h"
+#include "event2/util.h"
+
+#include "regress.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+static void
+acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *addr, int socklen, void *arg)
+{
+	int *ptr = arg;
+	--*ptr;
+	TT_BLATHER(("Got one for %p", ptr));
+	evutil_closesocket(fd);
+
+	if (! *ptr)
+		evconnlistener_disable(listener);
+}
+
+static void
+regress_pick_a_port(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evconnlistener *listener1 = NULL, *listener2 = NULL;
+	struct sockaddr_in sin;
+	int count1 = 2, count2 = 1;
+	struct sockaddr_storage ss1, ss2;
+	struct sockaddr_in *sin1, *sin2;
+	ev_socklen_t slen1 = sizeof(ss1), slen2 = sizeof(ss2);
+	unsigned int flags =
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC;
+
+	evutil_socket_t fd1 = -1, fd2 = -1, fd3 = -1;
+
+	if (data->setup_data && strstr((char*)data->setup_data, "ts")) {
+		flags |= LEV_OPT_THREADSAFE;
+	}
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */
+	sin.sin_port = 0; /* "You pick!" */
+
+	listener1 = evconnlistener_new_bind(base, acceptcb, &count1,
+	    flags, -1, (struct sockaddr *)&sin, sizeof(sin));
+	tt_assert(listener1);
+	listener2 = evconnlistener_new_bind(base, acceptcb, &count2,
+	    flags, -1, (struct sockaddr *)&sin, sizeof(sin));
+	tt_assert(listener2);
+
+	tt_int_op(evconnlistener_get_fd(listener1), >=, 0);
+	tt_int_op(evconnlistener_get_fd(listener2), >=, 0);
+	tt_assert(getsockname(evconnlistener_get_fd(listener1),
+		(struct sockaddr*)&ss1, &slen1) == 0);
+	tt_assert(getsockname(evconnlistener_get_fd(listener2),
+		(struct sockaddr*)&ss2, &slen2) == 0);
+	tt_int_op(ss1.ss_family, ==, AF_INET);
+	tt_int_op(ss2.ss_family, ==, AF_INET);
+
+	sin1 = (struct sockaddr_in*)&ss1;
+	sin2 = (struct sockaddr_in*)&ss2;
+	tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001);
+	tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001);
+	tt_int_op(sin1->sin_port, !=, sin2->sin_port);
+
+	tt_ptr_op(evconnlistener_get_base(listener1), ==, base);
+	tt_ptr_op(evconnlistener_get_base(listener2), ==, base);
+
+	fd1 = fd2 = fd3 = -1;
+	evutil_socket_connect_(&fd1, (struct sockaddr*)&ss1, slen1);
+	evutil_socket_connect_(&fd2, (struct sockaddr*)&ss1, slen1);
+	evutil_socket_connect_(&fd3, (struct sockaddr*)&ss2, slen2);
+
+#ifdef _WIN32
+	Sleep(100); /* XXXX this is a stupid stopgap. */
+#endif
+	event_base_dispatch(base);
+
+	tt_int_op(count1, ==, 0);
+	tt_int_op(count2, ==, 0);
+
+end:
+	if (fd1>=0)
+		EVUTIL_CLOSESOCKET(fd1);
+	if (fd2>=0)
+		EVUTIL_CLOSESOCKET(fd2);
+	if (fd3>=0)
+		EVUTIL_CLOSESOCKET(fd3);
+	if (listener1)
+		evconnlistener_free(listener1);
+	if (listener2)
+		evconnlistener_free(listener2);
+}
+
+static void
+errorcb(struct evconnlistener *lis, void *data_)
+{
+	int *data = data_;
+	*data = 1000;
+	evconnlistener_disable(lis);
+}
+
+static void
+regress_listener_error(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evconnlistener *listener = NULL;
+	int count = 1;
+	unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE;
+
+	if (data->setup_data && strstr((char*)data->setup_data, "ts")) {
+		flags |= LEV_OPT_THREADSAFE;
+	}
+
+	/* send, so that pair[0] will look 'readable'*/
+	tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0);
+
+	/* Start a listener with a bogus socket. */
+	listener = evconnlistener_new(base, acceptcb, &count,
+	    flags, 0,
+	    data->pair[0]);
+	tt_assert(listener);
+
+	evconnlistener_set_error_cb(listener, errorcb);
+
+	tt_assert(listener);
+
+	event_base_dispatch(base);
+	tt_int_op(count,==,1000); /* set by error cb */
+
+end:
+	if (listener)
+		evconnlistener_free(listener);
+}
+
+#ifdef EVENT__HAVE_SETRLIMIT
+static void
+regress_listener_error_unlock(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	struct evconnlistener *listener = NULL;
+	unsigned int flags =
+		LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_THREADSAFE;
+
+	tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0);
+
+	/* Start a listener with a bogus socket. */
+	listener = evconnlistener_new(base, acceptcb, NULL, flags, 0, data->pair[0]);
+	tt_assert(listener);
+
+	/** accept() must errored out with EMFILE */
+	{
+		struct rlimit rl;
+		rl.rlim_cur = rl.rlim_max = data->pair[1];
+		if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+			TT_DIE(("Can't change RLIMIT_NOFILE"));
+		}
+	}
+
+	event_base_loop(base, EVLOOP_ONCE);
+
+	/** with lock debugging, can fail on lock->count assertion */
+
+end:
+	if (listener)
+		evconnlistener_free(listener);
+}
+#endif
+
+struct testcase_t listener_testcases[] = {
+
+	{ "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE,
+	  &basic_setup, NULL},
+
+	{ "randport_ts", regress_pick_a_port, TT_FORK|TT_NEED_BASE,
+	  &basic_setup, (char*)"ts"},
+
+#ifdef EVENT__HAVE_SETRLIMIT
+	{ "error_unlock", regress_listener_error_unlock,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR,
+	  &basic_setup, NULL},
+#endif
+
+	{ "error", regress_listener_error,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR,
+	  &basic_setup, NULL},
+
+	{ "error_ts", regress_listener_error,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR,
+	  &basic_setup, (char*)"ts"},
+
+	END_OF_TESTCASES,
+};
+
+struct testcase_t listener_iocp_testcases[] = {
+	{ "randport", regress_pick_a_port,
+	  TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP,
+	  &basic_setup, NULL},
+
+	{ "error", regress_listener_error,
+	  TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_ENABLE_IOCP,
+	  &basic_setup, NULL},
+
+	END_OF_TESTCASES,
+};
diff --git a/test/regress_main.c b/test/regress_main.c
new file mode 100644
index 0000000..44e2911
--- /dev/null
+++ b/test/regress_main.c
@@ -0,0 +1,464 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#include <io.h>
+#include <fcntl.h>
+#endif
+
+#if defined(__APPLE__) && defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
+#if (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060 && \
+    __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
+#define FORK_BREAKS_GCOV
+#include <vproc.h>
+#endif
+#endif
+
+#include "event2/event-config.h"
+
+#if 0
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#include <signal.h>
+#include <errno.h>
+#endif
+
+#include <sys/types.h>
+#ifdef EVENT__HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+#include "event2/util.h"
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/dns.h"
+#include "event2/dns_compat.h"
+#include "event2/thread.h"
+
+#include "event2/event-config.h"
+#include "regress.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+#include "../iocp-internal.h"
+#include "../event-internal.h"
+
+struct evutil_weakrand_state test_weakrand_state;
+
+long
+timeval_msec_diff(const struct timeval *start, const struct timeval *end)
+{
+	long ms = end->tv_sec - start->tv_sec;
+	ms *= 1000;
+	ms += ((end->tv_usec - start->tv_usec)+500) / 1000;
+	return ms;
+}
+
+/* ============================================================ */
+/* Code to wrap up old legacy test cases that used setup() and cleanup().
+ *
+ * Not all of the tests designated "legacy" are ones that used setup() and
+ * cleanup(), of course.  A test is legacy it it uses setup()/cleanup(), OR
+ * if it wants to find its event base/socketpair in global variables (ugh),
+ * OR if it wants to communicate success/failure through test_ok.
+ */
+
+/* This is set to true if we're inside a legacy test wrapper.  It lets the
+   setup() and cleanup() functions in regress.c know they're not needed.
+ */
+int in_legacy_test_wrapper = 0;
+
+static void dnslogcb(int w, const char *m)
+{
+	TT_BLATHER(("%s", m));
+}
+
+/* creates a temporary file with the data in it.  If *filename_out gets set,
+ * the caller should try to unlink it. */
+int
+regress_make_tmpfile(const void *data, size_t datalen, char **filename_out)
+{
+#ifndef _WIN32
+	char tmpfilename[32];
+	int fd;
+	*filename_out = NULL;
+	strcpy(tmpfilename, "/tmp/eventtmp.XXXXXX");
+#ifdef EVENT__HAVE_UMASK
+	umask(0077);
+#endif
+	fd = mkstemp(tmpfilename);
+	if (fd == -1)
+		return (-1);
+	if (write(fd, data, datalen) != (int)datalen) {
+		close(fd);
+		return (-1);
+	}
+	lseek(fd, 0, SEEK_SET);
+	/* remove it from the file system */
+	unlink(tmpfilename);
+	return (fd);
+#else
+	/* XXXX actually delete the file later */
+	char tmpfilepath[MAX_PATH];
+	char tmpfilename[MAX_PATH];
+	DWORD r, written;
+	int tries = 16;
+	HANDLE h;
+	r = GetTempPathA(MAX_PATH, tmpfilepath);
+	if (r > MAX_PATH || r == 0)
+		return (-1);
+	for (; tries > 0; --tries) {
+		r = GetTempFileNameA(tmpfilepath, "LIBEVENT", 0, tmpfilename);
+		if (r == 0)
+			return (-1);
+		h = CreateFileA(tmpfilename, GENERIC_READ|GENERIC_WRITE,
+		    0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+		if (h != INVALID_HANDLE_VALUE)
+			break;
+	}
+	if (tries == 0)
+		return (-1);
+	written = 0;
+	*filename_out = strdup(tmpfilename);
+	WriteFile(h, data, (DWORD)datalen, &written, NULL);
+	/* Closing the fd returned by this function will indeed close h. */
+	return _open_osfhandle((intptr_t)h,_O_RDONLY);
+#endif
+}
+
+#ifndef _WIN32
+pid_t
+regress_fork(void)
+{
+	pid_t pid = fork();
+#ifdef FORK_BREAKS_GCOV
+	vproc_transaction_begin(0);
+#endif
+	return pid;
+}
+#endif
+
+static void
+ignore_log_cb(int s, const char *msg)
+{
+}
+
+static void *
+basic_test_setup(const struct testcase_t *testcase)
+{
+	struct event_base *base = NULL;
+	evutil_socket_t spair[2] = { -1, -1 };
+	struct basic_test_data *data = NULL;
+
+#ifndef _WIN32
+	if (testcase->flags & TT_ENABLE_IOCP_FLAG)
+		return (void*)TT_SKIP;
+#endif
+
+	if (testcase->flags & TT_NEED_THREADS) {
+		if (!(testcase->flags & TT_FORK))
+			return NULL;
+#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
+		if (evthread_use_pthreads())
+			exit(1);
+#elif defined(EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED)
+		if (evthread_use_windows_threads())
+			exit(1);
+#else
+		return (void*)TT_SKIP;
+#endif
+	}
+
+	if (testcase->flags & TT_NEED_SOCKETPAIR) {
+		if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, spair) == -1) {
+			fprintf(stderr, "%s: socketpair\n", __func__);
+			exit(1);
+		}
+
+		if (evutil_make_socket_nonblocking(spair[0]) == -1) {
+			fprintf(stderr, "fcntl(O_NONBLOCK)");
+			exit(1);
+		}
+
+		if (evutil_make_socket_nonblocking(spair[1]) == -1) {
+			fprintf(stderr, "fcntl(O_NONBLOCK)");
+			exit(1);
+		}
+	}
+	if (testcase->flags & TT_NEED_BASE) {
+		if (testcase->flags & TT_LEGACY)
+			base = event_init();
+		else
+			base = event_base_new();
+		if (!base)
+			exit(1);
+	}
+	if (testcase->flags & TT_ENABLE_IOCP_FLAG) {
+		if (event_base_start_iocp_(base, 0)<0) {
+			event_base_free(base);
+			return (void*)TT_SKIP;
+		}
+	}
+
+	if (testcase->flags & TT_NEED_DNS) {
+		evdns_set_log_fn(dnslogcb);
+		if (evdns_init())
+			return NULL; /* fast failure */ /*XXX asserts. */
+	}
+
+	if (testcase->flags & TT_NO_LOGS)
+		event_set_log_callback(ignore_log_cb);
+
+	data = calloc(1, sizeof(*data));
+	if (!data)
+		exit(1);
+	data->base = base;
+	data->pair[0] = spair[0];
+	data->pair[1] = spair[1];
+	data->setup_data = testcase->setup_data;
+	return data;
+}
+
+static int
+basic_test_cleanup(const struct testcase_t *testcase, void *ptr)
+{
+	struct basic_test_data *data = ptr;
+
+	if (testcase->flags & TT_NO_LOGS)
+		event_set_log_callback(NULL);
+
+	if (testcase->flags & TT_NEED_SOCKETPAIR) {
+		if (data->pair[0] != -1)
+			evutil_closesocket(data->pair[0]);
+		if (data->pair[1] != -1)
+			evutil_closesocket(data->pair[1]);
+	}
+
+	if (testcase->flags & TT_NEED_DNS) {
+		evdns_shutdown(0);
+	}
+
+	if (testcase->flags & TT_NEED_BASE) {
+		if (data->base) {
+			event_base_assert_ok_(data->base);
+			event_base_free(data->base);
+		}
+	}
+
+	if (testcase->flags & TT_FORK)
+		libevent_global_shutdown();
+
+	free(data);
+
+	return 1;
+}
+
+const struct testcase_setup_t basic_setup = {
+	basic_test_setup, basic_test_cleanup
+};
+
+/* The "data" for a legacy test is just a pointer to the void fn(void)
+   function implementing the test case.  We need to set up some globals,
+   though, since that's where legacy tests expect to find a socketpair
+   (sometimes) and a global event_base (sometimes).
+ */
+static void *
+legacy_test_setup(const struct testcase_t *testcase)
+{
+	struct basic_test_data *data = basic_test_setup(testcase);
+	if (data == (void*)TT_SKIP || data == NULL)
+		return data;
+	global_base = data->base;
+	pair[0] = data->pair[0];
+	pair[1] = data->pair[1];
+	data->legacy_test_fn = testcase->setup_data;
+	return data;
+}
+
+/* This function is the implementation of every legacy test case.  It
+   sets test_ok to 0, invokes the test function, and tells tinytest that
+   the test failed if the test didn't set test_ok to 1.
+ */
+void
+run_legacy_test_fn(void *ptr)
+{
+	struct basic_test_data *data = ptr;
+	test_ok = called = 0;
+
+	in_legacy_test_wrapper = 1;
+	data->legacy_test_fn(); /* This part actually calls the test */
+	in_legacy_test_wrapper = 0;
+
+	if (!test_ok)
+		tt_abort_msg("Legacy unit test failed");
+
+end:
+	test_ok = 0;
+}
+
+/* This function doesn't have to clean up ptr (which is just a pointer
+   to the test function), but it may need to close the socketpair or
+   free the event_base.
+ */
+static int
+legacy_test_cleanup(const struct testcase_t *testcase, void *ptr)
+{
+	int r = basic_test_cleanup(testcase, ptr);
+	pair[0] = pair[1] = -1;
+	global_base = NULL;
+	return r;
+}
+
+const struct testcase_setup_t legacy_setup = {
+	legacy_test_setup, legacy_test_cleanup
+};
+
+/* ============================================================ */
+
+#if (!defined(EVENT__HAVE_PTHREADS) && !defined(_WIN32)) || defined(EVENT__DISABLE_THREAD_SUPPORT)
+struct testcase_t thread_testcases[] = {
+	{ "basic", NULL, TT_SKIP, NULL, NULL },
+	END_OF_TESTCASES
+};
+#endif
+
+struct testgroup_t testgroups[] = {
+	{ "main/", main_testcases },
+	{ "heap/", minheap_testcases },
+	{ "et/", edgetriggered_testcases },
+	{ "finalize/", finalize_testcases },
+	{ "evbuffer/", evbuffer_testcases },
+	{ "signal/", signal_testcases },
+	{ "util/", util_testcases },
+	{ "bufferevent/", bufferevent_testcases },
+	{ "http/", http_testcases },
+	{ "dns/", dns_testcases },
+	{ "evtag/", evtag_testcases },
+	{ "rpc/", rpc_testcases },
+	{ "thread/", thread_testcases },
+	{ "listener/", listener_testcases },
+#ifdef _WIN32
+	{ "iocp/", iocp_testcases },
+	{ "iocp/bufferevent/", bufferevent_iocp_testcases },
+	{ "iocp/listener/", listener_iocp_testcases },
+#endif
+#ifdef EVENT__HAVE_OPENSSL
+	{ "ssl/", ssl_testcases },
+#endif
+	END_OF_GROUPS
+};
+
+const char *alltests[] = { "+..", NULL };
+const char *livenettests[] = {
+	"+util/getaddrinfo_live",
+	"+dns/gethostby..",
+	"+dns/resolve_reverse",
+	NULL
+};
+const char *finetimetests[] = {
+	"+util/monotonic_res_precise",
+	"+util/monotonic_res_fallback",
+	"+thread/deferred_cb_skew",
+	"+http/connection_retry",
+	"+http/https_connection_retry",
+	NULL
+};
+struct testlist_alias_t testaliases[] = {
+	{ "all", alltests },
+	{ "live_net", livenettests },
+	{ "fine_timing", finetimetests },
+	END_OF_ALIASES
+};
+
+int libevent_tests_running_in_debug_mode = 0;
+
+int
+main(int argc, const char **argv)
+{
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+#ifndef _WIN32
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+		return 1;
+#endif
+
+#ifdef _WIN32
+	tinytest_skip(testgroups, "http/connection_retry");
+	tinytest_skip(testgroups, "http/https_connection_retry");
+#endif
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	if (!getenv("EVENT_NO_DEBUG_LOCKS"))
+		evthread_enable_lock_debugging();
+#endif
+
+	if (getenv("EVENT_DEBUG_MODE")) {
+		event_enable_debug_mode();
+		libevent_tests_running_in_debug_mode = 1;
+	}
+	if (getenv("EVENT_DEBUG_LOGGING_ALL")) {
+		event_enable_debug_logging(EVENT_DBG_ALL);
+	}
+
+	tinytest_set_aliases(testaliases);
+
+	evutil_weakrand_seed_(&test_weakrand_state, 0);
+
+	if (tinytest_main(argc,argv,testgroups))
+		return 1;
+
+	libevent_global_shutdown();
+
+	return 0;
+}
+
diff --git a/test/regress_minheap.c b/test/regress_minheap.c
new file mode 100644
index 0000000..05db32e
--- /dev/null
+++ b/test/regress_minheap.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../minheap-internal.h"
+
+#include <stdlib.h>
+#include "event2/event_struct.h"
+
+#include "tinytest.h"
+#include "tinytest_macros.h"
+#include "regress.h"
+
+static void
+set_random_timeout(struct event *ev)
+{
+	ev->ev_timeout.tv_sec = test_weakrand();
+	ev->ev_timeout.tv_usec = test_weakrand() & 0xfffff;
+	ev->ev_timeout_pos.min_heap_idx = -1;
+}
+
+static void
+check_heap(struct min_heap *heap)
+{
+	unsigned i;
+	for (i = 1; i < heap->n; ++i) {
+		unsigned parent_idx = (i-1)/2;
+		tt_want(evutil_timercmp(&heap->p[i]->ev_timeout,
+			&heap->p[parent_idx]->ev_timeout, >=));
+	}
+}
+
+static void
+test_heap_randomized(void *ptr)
+{
+	struct min_heap heap;
+	struct event *inserted[1024];
+	struct event *e, *last_e;
+	int i;
+
+	min_heap_ctor_(&heap);
+
+	for (i = 0; i < 1024; ++i) {
+		inserted[i] = malloc(sizeof(struct event));
+		set_random_timeout(inserted[i]);
+		min_heap_push_(&heap, inserted[i]);
+	}
+	check_heap(&heap);
+
+	tt_assert(min_heap_size_(&heap) == 1024);
+
+	for (i = 0; i < 512; ++i) {
+		min_heap_erase_(&heap, inserted[i]);
+		if (0 == (i % 32))
+			check_heap(&heap);
+	}
+	tt_assert(min_heap_size_(&heap) == 512);
+
+	last_e = min_heap_pop_(&heap);
+	while (1) {
+		e = min_heap_pop_(&heap);
+		if (!e)
+			break;
+		tt_want(evutil_timercmp(&last_e->ev_timeout,
+			&e->ev_timeout, <=));
+	}
+	tt_assert(min_heap_size_(&heap) == 0);
+end:
+	for (i = 0; i < 1024; ++i)
+		free(inserted[i]);
+
+	min_heap_dtor_(&heap);
+}
+
+struct testcase_t minheap_testcases[] = {
+	{ "randomized", test_heap_randomized, 0, NULL, NULL },
+	END_OF_TESTCASES
+};
diff --git a/test/regress_rpc.c b/test/regress_rpc.c
new file mode 100644
index 0000000..01a058c
--- /dev/null
+++ b/test/regress_rpc.c
@@ -0,0 +1,905 @@
+/*
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* The old tests here need assertions to work. */
+#undef NDEBUG
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <signal.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+
+#include "event2/buffer.h"
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/http.h"
+#include "event2/http_compat.h"
+#include "event2/http_struct.h"
+#include "event2/rpc.h"
+#include "event2/rpc.h"
+#include "event2/rpc_struct.h"
+#include "event2/tag.h"
+#include "log-internal.h"
+
+#include "regress.gen.h"
+
+#include "regress.h"
+#include "regress_testutils.h"
+
+#ifndef NO_PYTHON_EXISTS
+
+static struct evhttp *
+http_setup(ev_uint16_t *pport)
+{
+	struct evhttp *myhttp;
+	ev_uint16_t port;
+	struct evhttp_bound_socket *sock;
+
+	myhttp = evhttp_new(NULL);
+	if (!myhttp)
+		event_errx(1, "Could not start web server");
+
+	/* Try a few different ports */
+	sock = evhttp_bind_socket_with_handle(myhttp, "127.0.0.1", 0);
+	if (!sock)
+		event_errx(1, "Couldn't open web port");
+
+	port = regress_get_socket_port(evhttp_bound_socket_get_fd(sock));
+
+	*pport = port;
+	return (myhttp);
+}
+
+EVRPC_HEADER(Message, msg, kill)
+EVRPC_HEADER(NeverReply, msg, kill)
+
+EVRPC_GENERATE(Message, msg, kill)
+EVRPC_GENERATE(NeverReply, msg, kill)
+
+static int need_input_hook = 0;
+static int need_output_hook = 0;
+
+static void
+MessageCb(EVRPC_STRUCT(Message)* rpc, void *arg)
+{
+	struct kill* kill_reply = rpc->reply;
+
+	if (need_input_hook) {
+		struct evhttp_request* req = EVRPC_REQUEST_HTTP(rpc);
+		const char *header = evhttp_find_header(
+			req->input_headers, "X-Hook");
+		assert(header);
+		assert(strcmp(header, "input") == 0);
+	}
+
+	/* we just want to fill in some non-sense */
+	EVTAG_ASSIGN(kill_reply, weapon, "dagger");
+	EVTAG_ASSIGN(kill_reply, action, "wave around like an idiot");
+
+	/* no reply to the RPC */
+	EVRPC_REQUEST_DONE(rpc);
+}
+
+static EVRPC_STRUCT(NeverReply) *saved_rpc;
+
+static void
+NeverReplyCb(EVRPC_STRUCT(NeverReply)* rpc, void *arg)
+{
+	test_ok += 1;
+	saved_rpc = rpc;
+}
+
+static void
+rpc_setup(struct evhttp **phttp, ev_uint16_t *pport, struct evrpc_base **pbase)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+
+	http = http_setup(&port);
+	base = evrpc_init(http);
+
+	EVRPC_REGISTER(base, Message, msg, kill, MessageCb, NULL);
+	EVRPC_REGISTER(base, NeverReply, msg, kill, NeverReplyCb, NULL);
+
+	*phttp = http;
+	*pport = port;
+	*pbase = base;
+
+	need_input_hook = 0;
+	need_output_hook = 0;
+}
+
+static void
+rpc_teardown(struct evrpc_base *base)
+{
+	assert(EVRPC_UNREGISTER(base, Message) == 0);
+	assert(EVRPC_UNREGISTER(base, NeverReply) == 0);
+
+	evrpc_free(base);
+}
+
+static void
+rpc_postrequest_failure(struct evhttp_request *req, void *arg)
+{
+	if (req->response_code != HTTP_SERVUNAVAIL) {
+
+		fprintf(stderr, "FAILED (response code)\n");
+		exit(1);
+	}
+
+	test_ok = 1;
+	event_loopexit(NULL);
+}
+
+/*
+ * Test a malformed payload submitted as an RPC
+ */
+
+static void
+rpc_basic_test(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+
+	rpc_setup(&http, &port, &base);
+
+	evcon = evhttp_connection_new("127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule an HTTP POST request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(rpc_postrequest_failure, NULL);
+	tt_assert(req);
+
+	/* Add the information that we care about */
+	evhttp_add_header(req->output_headers, "Host", "somehost");
+	evbuffer_add_printf(req->output_buffer, "Some Nonsense");
+
+	if (evhttp_make_request(evcon, req,
+		EVHTTP_REQ_POST,
+		"/.rpc.Message") == -1) {
+		tt_abort();
+	}
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	evhttp_connection_free(evcon);
+
+	rpc_teardown(base);
+
+	tt_assert(test_ok == 1);
+
+end:
+	evhttp_free(http);
+}
+
+static void
+rpc_postrequest_done(struct evhttp_request *req, void *arg)
+{
+	struct kill* kill_reply = NULL;
+
+	if (req->response_code != HTTP_OK) {
+		fprintf(stderr, "FAILED (response code)\n");
+		exit(1);
+	}
+
+	kill_reply = kill_new();
+
+	if ((kill_unmarshal(kill_reply, req->input_buffer)) == -1) {
+		fprintf(stderr, "FAILED (unmarshal)\n");
+		exit(1);
+	}
+
+	kill_free(kill_reply);
+
+	test_ok = 1;
+	event_loopexit(NULL);
+}
+
+static void
+rpc_basic_message(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evhttp_connection *evcon = NULL;
+	struct evhttp_request *req = NULL;
+	struct msg *msg;
+
+	rpc_setup(&http, &port, &base);
+
+	evcon = evhttp_connection_new("127.0.0.1", port);
+	tt_assert(evcon);
+
+	/*
+	 * At this point, we want to schedule an HTTP POST request
+	 * server using our make request method.
+	 */
+
+	req = evhttp_request_new(rpc_postrequest_done, NULL);
+	if (req == NULL) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	/* Add the information that we care about */
+	evhttp_add_header(req->output_headers, "Host", "somehost");
+
+	/* set up the basic message */
+	msg = msg_new();
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "tester");
+	msg_marshal(req->output_buffer, msg);
+	msg_free(msg);
+
+	if (evhttp_make_request(evcon, req,
+		EVHTTP_REQ_POST,
+		"/.rpc.Message") == -1) {
+		fprintf(stdout, "FAILED\n");
+		exit(1);
+	}
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	evhttp_connection_free(evcon);
+
+	rpc_teardown(base);
+
+end:
+	evhttp_free(http);
+}
+
+static struct evrpc_pool *
+rpc_pool_with_connection(ev_uint16_t port)
+{
+	struct evhttp_connection *evcon;
+	struct evrpc_pool *pool;
+
+	pool = evrpc_pool_new(NULL);
+	assert(pool != NULL);
+
+	evcon = evhttp_connection_new("127.0.0.1", port);
+	assert(evcon != NULL);
+
+	evrpc_pool_add_connection(pool, evcon);
+
+	return (pool);
+}
+
+static void
+GotKillCb(struct evrpc_status *status,
+    struct msg *msg, struct kill *kill, void *arg)
+{
+	char *weapon;
+	char *action;
+
+	if (need_output_hook) {
+		struct evhttp_request *req = status->http_req;
+		const char *header = evhttp_find_header(
+			req->input_headers, "X-Pool-Hook");
+		assert(header);
+		assert(strcmp(header, "ran") == 0);
+	}
+
+	if (status->error != EVRPC_STATUS_ERR_NONE)
+		goto done;
+
+	if (EVTAG_GET(kill, weapon, &weapon) == -1) {
+		fprintf(stderr, "get weapon\n");
+		goto done;
+	}
+	if (EVTAG_GET(kill, action, &action) == -1) {
+		fprintf(stderr, "get action\n");
+		goto done;
+	}
+
+	if (strcmp(weapon, "dagger"))
+		goto done;
+
+	if (strcmp(action, "wave around like an idiot"))
+		goto done;
+
+	test_ok += 1;
+
+done:
+	event_loopexit(NULL);
+}
+
+static void
+GotKillCbTwo(struct evrpc_status *status,
+    struct msg *msg, struct kill *kill, void *arg)
+{
+	char *weapon;
+	char *action;
+
+	if (status->error != EVRPC_STATUS_ERR_NONE)
+		goto done;
+
+	if (EVTAG_GET(kill, weapon, &weapon) == -1) {
+		fprintf(stderr, "get weapon\n");
+		goto done;
+	}
+	if (EVTAG_GET(kill, action, &action) == -1) {
+		fprintf(stderr, "get action\n");
+		goto done;
+	}
+
+	if (strcmp(weapon, "dagger"))
+		goto done;
+
+	if (strcmp(action, "wave around like an idiot"))
+		goto done;
+
+	test_ok += 1;
+
+done:
+	if (test_ok == 2)
+		event_loopexit(NULL);
+}
+
+static int
+rpc_hook_add_header(void *ctx, struct evhttp_request *req,
+    struct evbuffer *evbuf, void *arg)
+{
+	const char *hook_type = arg;
+	if (strcmp("input", hook_type) == 0)
+		evhttp_add_header(req->input_headers, "X-Hook", hook_type);
+	else
+		evhttp_add_header(req->output_headers, "X-Hook", hook_type);
+
+	assert(evrpc_hook_get_connection(ctx) != NULL);
+
+	return (EVRPC_CONTINUE);
+}
+
+static int
+rpc_hook_add_meta(void *ctx, struct evhttp_request *req,
+    struct evbuffer *evbuf, void *arg)
+{
+	evrpc_hook_add_meta(ctx, "meta", "test", 5);
+
+	assert(evrpc_hook_get_connection(ctx) != NULL);
+
+	return (EVRPC_CONTINUE);
+}
+
+static int
+rpc_hook_remove_header(void *ctx, struct evhttp_request *req,
+    struct evbuffer *evbuf, void *arg)
+{
+	const char *header = evhttp_find_header(req->input_headers, "X-Hook");
+	void *data = NULL;
+	size_t data_len = 0;
+
+	assert(header != NULL);
+	assert(strcmp(header, arg) == 0);
+
+	evhttp_remove_header(req->input_headers, "X-Hook");
+	evhttp_add_header(req->input_headers, "X-Pool-Hook", "ran");
+
+	assert(evrpc_hook_find_meta(ctx, "meta", &data, &data_len) == 0);
+	assert(data != NULL);
+	assert(data_len == 5);
+
+	assert(evrpc_hook_get_connection(ctx) != NULL);
+
+	return (EVRPC_CONTINUE);
+}
+
+static void
+rpc_basic_client(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evrpc_pool *pool = NULL;
+	struct msg *msg = NULL;
+	struct kill *kill = NULL;
+
+	rpc_setup(&http, &port, &base);
+
+	need_input_hook = 1;
+	need_output_hook = 1;
+
+	assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_add_header, (void*)"input")
+	    != NULL);
+	assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_add_header, (void*)"output")
+	    != NULL);
+
+	pool = rpc_pool_with_connection(port);
+	tt_assert(pool);
+
+	assert(evrpc_add_hook(pool, EVRPC_OUTPUT, rpc_hook_add_meta, NULL));
+	assert(evrpc_add_hook(pool, EVRPC_INPUT, rpc_hook_remove_header, (void*)"output"));
+
+	/* set up the basic message */
+	msg = msg_new();
+	tt_assert(msg);
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "tester");
+
+	kill = kill_new();
+
+	EVRPC_MAKE_REQUEST(Message, pool, msg, kill,  GotKillCb, NULL);
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	tt_assert(test_ok == 1);
+
+	/* we do it twice to make sure that reuse works correctly */
+	kill_clear(kill);
+
+	EVRPC_MAKE_REQUEST(Message, pool, msg, kill,  GotKillCb, NULL);
+
+	event_dispatch();
+
+	tt_assert(test_ok == 2);
+
+	/* we do it trice to make sure other stuff works, too */
+	kill_clear(kill);
+
+	{
+		struct evrpc_request_wrapper *ctx =
+		    EVRPC_MAKE_CTX(Message, msg, kill,
+			pool, msg, kill, GotKillCb, NULL);
+		evrpc_make_request(ctx);
+	}
+
+	event_dispatch();
+
+	rpc_teardown(base);
+
+	tt_assert(test_ok == 3);
+
+end:
+	if (msg)
+		msg_free(msg);
+	if (kill)
+		kill_free(kill);
+
+	if (pool)
+		evrpc_pool_free(pool);
+	if (http)
+		evhttp_free(http);
+
+	need_input_hook = 0;
+	need_output_hook = 0;
+}
+
+/*
+ * We are testing that the second requests gets send over the same
+ * connection after the first RPCs completes.
+ */
+static void
+rpc_basic_queued_client(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evrpc_pool *pool = NULL;
+	struct msg *msg=NULL;
+	struct kill *kill_one=NULL, *kill_two=NULL;
+
+	rpc_setup(&http, &port, &base);
+
+	pool = rpc_pool_with_connection(port);
+	tt_assert(pool);
+
+	/* set up the basic message */
+	msg = msg_new();
+	tt_assert(msg);
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "tester");
+
+	kill_one = kill_new();
+	kill_two = kill_new();
+
+	EVRPC_MAKE_REQUEST(Message, pool, msg, kill_one,  GotKillCbTwo, NULL);
+	EVRPC_MAKE_REQUEST(Message, pool, msg, kill_two,  GotKillCb, NULL);
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	rpc_teardown(base);
+
+	tt_assert(test_ok == 2);
+
+end:
+	if (msg)
+		msg_free(msg);
+	if (kill_one)
+		kill_free(kill_one);
+	if (kill_two)
+		kill_free(kill_two);
+
+	if (pool)
+		evrpc_pool_free(pool);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+GotErrorCb(struct evrpc_status *status,
+    struct msg *msg, struct kill *kill, void *arg)
+{
+	if (status->error != EVRPC_STATUS_ERR_TIMEOUT)
+		goto done;
+
+	/* should never be complete but just to check */
+	if (kill_complete(kill) == 0)
+		goto done;
+
+	test_ok += 1;
+
+done:
+	event_loopexit(NULL);
+}
+
+/* we just pause the rpc and continue it in the next callback */
+
+struct rpc_hook_ctx_ {
+	void *vbase;
+	void *ctx;
+};
+
+static int hook_pause_cb_called=0;
+
+static void
+rpc_hook_pause_cb(evutil_socket_t fd, short what, void *arg)
+{
+	struct rpc_hook_ctx_ *ctx = arg;
+	++hook_pause_cb_called;
+	evrpc_resume_request(ctx->vbase, ctx->ctx, EVRPC_CONTINUE);
+	free(arg);
+}
+
+static int
+rpc_hook_pause(void *ctx, struct evhttp_request *req, struct evbuffer *evbuf,
+    void *arg)
+{
+	struct rpc_hook_ctx_ *tmp = malloc(sizeof(*tmp));
+	struct timeval tv;
+
+	assert(tmp != NULL);
+	tmp->vbase = arg;
+	tmp->ctx = ctx;
+
+	memset(&tv, 0, sizeof(tv));
+	event_once(-1, EV_TIMEOUT, rpc_hook_pause_cb, tmp, &tv);
+	return EVRPC_PAUSE;
+}
+
+static void
+rpc_basic_client_with_pause(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evrpc_pool *pool = NULL;
+	struct msg *msg = NULL;
+	struct kill *kill= NULL;
+
+	rpc_setup(&http, &port, &base);
+
+	assert(evrpc_add_hook(base, EVRPC_INPUT, rpc_hook_pause, base));
+	assert(evrpc_add_hook(base, EVRPC_OUTPUT, rpc_hook_pause, base));
+
+	pool = rpc_pool_with_connection(port);
+	tt_assert(pool);
+	assert(evrpc_add_hook(pool, EVRPC_INPUT, rpc_hook_pause, pool));
+	assert(evrpc_add_hook(pool, EVRPC_OUTPUT, rpc_hook_pause, pool));
+
+	/* set up the basic message */
+	msg = msg_new();
+	tt_assert(msg);
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "tester");
+
+	kill = kill_new();
+
+	EVRPC_MAKE_REQUEST(Message, pool, msg, kill, GotKillCb, NULL);
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	tt_int_op(test_ok, ==, 1);
+	tt_int_op(hook_pause_cb_called, ==, 4);
+
+end:
+	if (base)
+		rpc_teardown(base);
+
+	if (msg)
+		msg_free(msg);
+	if (kill)
+		kill_free(kill);
+
+	if (pool)
+		evrpc_pool_free(pool);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+rpc_client_timeout(void)
+{
+	ev_uint16_t port;
+	struct evhttp *http = NULL;
+	struct evrpc_base *base = NULL;
+	struct evrpc_pool *pool = NULL;
+	struct msg *msg = NULL;
+	struct kill *kill = NULL;
+
+	rpc_setup(&http, &port, &base);
+
+	pool = rpc_pool_with_connection(port);
+	tt_assert(pool);
+
+	/* set the timeout to 1 second. */
+	evrpc_pool_set_timeout(pool, 1);
+
+	/* set up the basic message */
+	msg = msg_new();
+	tt_assert(msg);
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "tester");
+
+	kill = kill_new();
+
+	EVRPC_MAKE_REQUEST(NeverReply, pool, msg, kill, GotErrorCb, NULL);
+
+	test_ok = 0;
+
+	event_dispatch();
+
+	/* free the saved RPC structure up */
+	EVRPC_REQUEST_DONE(saved_rpc);
+
+	rpc_teardown(base);
+
+	tt_assert(test_ok == 2);
+
+end:
+	if (msg)
+		msg_free(msg);
+	if (kill)
+		kill_free(kill);
+
+	if (pool)
+		evrpc_pool_free(pool);
+	if (http)
+		evhttp_free(http);
+}
+
+static void
+rpc_test(void)
+{
+	struct msg *msg = NULL, *msg2 = NULL;
+	struct kill *attack = NULL;
+	struct run *run = NULL;
+	struct evbuffer *tmp = evbuffer_new();
+	struct timeval tv_start, tv_end;
+	ev_uint32_t tag;
+	int i;
+
+	msg = msg_new();
+
+	tt_assert(msg);
+
+	EVTAG_ASSIGN(msg, from_name, "niels");
+	EVTAG_ASSIGN(msg, to_name, "phoenix");
+
+	if (EVTAG_GET(msg, attack, &attack) == -1) {
+		tt_abort_msg("Failed to set kill message.");
+	}
+
+	EVTAG_ASSIGN(attack, weapon, "feather");
+	EVTAG_ASSIGN(attack, action, "tickle");
+	for (i = 0; i < 3; ++i) {
+		if (EVTAG_ARRAY_ADD_VALUE(attack, how_often, i) == NULL) {
+			tt_abort_msg("Failed to add how_often.");
+		}
+	}
+
+	evutil_gettimeofday(&tv_start, NULL);
+	for (i = 0; i < 1000; ++i) {
+		run = EVTAG_ARRAY_ADD(msg, run);
+		if (run == NULL) {
+			tt_abort_msg("Failed to add run message.");
+		}
+		EVTAG_ASSIGN(run, how, "very fast but with some data in it");
+		EVTAG_ASSIGN(run, fixed_bytes,
+		    (ev_uint8_t*)"012345678901234567890123");
+
+		if (EVTAG_ARRAY_ADD_VALUE(
+			    run, notes, "this is my note") == NULL) {
+			tt_abort_msg("Failed to add note.");
+		}
+		if (EVTAG_ARRAY_ADD_VALUE(run, notes, "pps") == NULL) {
+			tt_abort_msg("Failed to add note");
+		}
+
+		EVTAG_ASSIGN(run, large_number, 0xdead0a0bcafebeefLL);
+		EVTAG_ARRAY_ADD_VALUE(run, other_numbers, 0xdead0a0b);
+		EVTAG_ARRAY_ADD_VALUE(run, other_numbers, 0xbeefcafe);
+	}
+
+	if (msg_complete(msg) == -1)
+		tt_abort_msg("Failed to make complete message.");
+
+	evtag_marshal_msg(tmp, 0xdeaf, msg);
+
+	if (evtag_peek(tmp, &tag) == -1)
+		tt_abort_msg("Failed to peak tag.");
+
+	if (tag != 0xdeaf)
+		TT_DIE(("Got incorrect tag: %0x.", (unsigned)tag));
+
+	msg2 = msg_new();
+	if (evtag_unmarshal_msg(tmp, 0xdeaf, msg2) == -1)
+		tt_abort_msg("Failed to unmarshal message.");
+
+	evutil_gettimeofday(&tv_end, NULL);
+	evutil_timersub(&tv_end, &tv_start, &tv_end);
+	TT_BLATHER(("(%.1f us/add) ",
+		(float)tv_end.tv_sec/(float)i * 1000000.0 +
+		tv_end.tv_usec / (float)i));
+
+	if (!EVTAG_HAS(msg2, from_name) ||
+	    !EVTAG_HAS(msg2, to_name) ||
+	    !EVTAG_HAS(msg2, attack)) {
+		tt_abort_msg("Missing data structures.");
+	}
+
+	if (EVTAG_GET(msg2, attack, &attack) == -1) {
+		tt_abort_msg("Could not get attack.");
+	}
+
+	if (EVTAG_ARRAY_LEN(msg2, run) != i) {
+		tt_abort_msg("Wrong number of run messages.");
+	}
+
+	/* get the very first run message */
+	if (EVTAG_ARRAY_GET(msg2, run, 0, &run) == -1) {
+		tt_abort_msg("Failed to get run msg.");
+	} else {
+		/* verify the notes */
+		char *note_one, *note_two;
+		ev_uint64_t large_number;
+		ev_uint32_t short_number;
+
+		if (EVTAG_ARRAY_LEN(run, notes) != 2) {
+			tt_abort_msg("Wrong number of note strings.");
+		}
+
+		if (EVTAG_ARRAY_GET(run, notes, 0, &note_one) == -1 ||
+		    EVTAG_ARRAY_GET(run, notes, 1, &note_two) == -1) {
+			tt_abort_msg("Could not get note strings.");
+		}
+
+		if (strcmp(note_one, "this is my note") ||
+		    strcmp(note_two, "pps")) {
+			tt_abort_msg("Incorrect note strings encoded.");
+		}
+
+		if (EVTAG_GET(run, large_number, &large_number) == -1 ||
+		    large_number != 0xdead0a0bcafebeefLL) {
+			tt_abort_msg("Incorrrect large_number.");
+		}
+
+		if (EVTAG_ARRAY_LEN(run, other_numbers) != 2) {
+			tt_abort_msg("Wrong number of other_numbers.");
+		}
+
+		if (EVTAG_ARRAY_GET(
+			    run, other_numbers, 0, &short_number) == -1) {
+			tt_abort_msg("Could not get short number.");
+		}
+		tt_uint_op(short_number, ==, 0xdead0a0b);
+
+	}
+	tt_int_op(EVTAG_ARRAY_LEN(attack, how_often), ==, 3);
+
+	for (i = 0; i < 3; ++i) {
+		ev_uint32_t res;
+		if (EVTAG_ARRAY_GET(attack, how_often, i, &res) == -1) {
+			TT_DIE(("Cannot get %dth how_often msg.", i));
+		}
+		if ((int)res != i) {
+			TT_DIE(("Wrong message encoded %d != %d", i, res));
+		}
+	}
+
+	test_ok = 1;
+end:
+	if (msg)
+		msg_free(msg);
+	if (msg2)
+		msg_free(msg2);
+	if (tmp)
+		evbuffer_free(tmp);
+}
+
+#define RPC_LEGACY(name)						\
+	{ #name, run_legacy_test_fn, TT_FORK|TT_NEED_BASE|TT_LEGACY,	\
+		    &legacy_setup,					\
+		    rpc_##name }
+#else
+/* NO_PYTHON_EXISTS */
+
+#define RPC_LEGACY(name) \
+	{ #name, NULL, TT_SKIP, NULL, NULL }
+
+#endif
+
+struct testcase_t rpc_testcases[] = {
+	RPC_LEGACY(basic_test),
+	RPC_LEGACY(basic_message),
+	RPC_LEGACY(basic_client),
+	RPC_LEGACY(basic_queued_client),
+	RPC_LEGACY(basic_client_with_pause),
+	RPC_LEGACY(client_timeout),
+	RPC_LEGACY(test),
+
+	END_OF_TESTCASES,
+};
diff --git a/test/regress_ssl.c b/test/regress_ssl.c
new file mode 100644
index 0000000..681705f
--- /dev/null
+++ b/test/regress_ssl.c
@@ -0,0 +1,814 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "util-internal.h"
+
+#ifndef _WIN32
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#include "event2/util.h"
+#include "event2/event.h"
+#include "event2/bufferevent_ssl.h"
+#include "event2/bufferevent_struct.h"
+#include "event2/buffer.h"
+#include "event2/listener.h"
+
+#include "regress.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include "openssl-compat.h"
+
+#include <string.h>
+#ifdef _WIN32
+#include <io.h>
+#define read _read
+#define write _write
+#else
+#include <unistd.h>
+#endif
+
+/* A pre-generated key, to save the cost of doing an RSA key generation step
+ * during the unit tests. It is published in this file, so you would have to
+ * be very foolish to consider using it in your own code. */
+static const char KEY[] =
+    "-----BEGIN RSA PRIVATE KEY-----\n"
+    "MIIEogIBAAKCAQEAtK07Ili0dkJb79m/sFmHoVJTWyLoveXex2yX/BtUzzcvZEOu\n"
+    "QLon/++5YOA48kzZm5K9mIwZkZhui1ZgJ5Bjq0LGAWTZGIn+NXjLFshPYvTKpOCW\n"
+    "uzL0Ir0LXMsBLYJQ5A4FomLNxs4I3H/dhDSGy/rSiJB1B4w2xNiwPK08/VL3zZqk\n"
+    "V+GsSvGIIkzhTMbqPJy9K8pqyjwOU2pgORS794yXciTGxWYjTDzJPgQ35YMDATaG\n"
+    "jr4HHo1zxU/Lj0pndSUK5rKLYxYQ3Uc8B3AVYDl9CP/GbOoQ4LBzS68JjcAUyp6i\n"
+    "6NfXlc2D9S9XgqVqwI+JqgJs0eW/+zPY2UEDWwIDAQABAoIBAD2HzV66FOM9YDAD\n"
+    "2RtGskEHV2nvLpIVadRCsFPkPvK+2X3s6rgSbbLkwh4y3lHuSCGKTNVZyQ9jeSos\n"
+    "xVxT+Q2HFQW+gYyw2gj91TQyDY8mzKhv8AVaqff2p5r3a7RC8CdqexK9UVUGL9Bg\n"
+    "H2F5vfpTtkVZ5PEoGDLblNFlMiMW/t1SobUeBVx+Msco/xqk9lFv1A9nnepGy0Gi\n"
+    "D+i6YNGTBsX22YhoCZl/ICxCL8lgqPei4FvBr9dBVh/jQgjuUBm2jz55p2r7+7Aw\n"
+    "khmXHReejoVokQ2+htgSgZNKlKuDy710ZpBqnDi8ynQi82Y2qCpyg/p/xcER54B6\n"
+    "hSftaiECgYEA2RkSoxU+nWk+BClQEUZRi88QK5W/M8oo1DvUs36hvPFkw3Jk/gz0\n"
+    "fgd5bnA+MXj0Fc0QHvbddPjIkyoI/evq9GPV+JYIuH5zabrlI3Jvya8q9QpAcEDO\n"
+    "KkL/O09qXVEW52S6l05nh4PLejyI7aTyTIN5nbVLac/+M8MY/qOjZksCgYEA1Q1o\n"
+    "L8kjSavU2xhQmSgZb9W62Do60sa3e73ljrDPoiyvbExldpSdziFYxHBD/Rep0ePf\n"
+    "eVSGS3VSwevt9/jSGo2Oa83TYYns9agBm03oR/Go/DukESdI792NsEM+PRFypVNy\n"
+    "AohWRLj0UU6DV+zLKp0VBavtx0ATeLFX0eN17TECgYBI2O/3Bz7uhQ0JSm+SjFz6\n"
+    "o+2SInp5P2G57aWu4VQWWY3tQ2p+EQzNaWam10UXRrXoxtmc+ktPX9e2AgnoYoyB\n"
+    "myqGcpnUhqHlnZAb999o9r1cYidDQ4uqhLauSTSwwXAFDzjJYsa8o03Y440y6QFh\n"
+    "CVD6yYXXqLJs3g96CqDexwKBgAHxq1+0QCQt8zVElYewO/svQhMzBNJjic0RQIT6\n"
+    "zAo4yij80XgxhvcYiszQEW6/xobpw2JCCS+rFGQ8mOFIXfJsFD6blDAxp/3d2JXo\n"
+    "MhRl+hrDGI4ng5zcsqxHEMxR2m/zwPiQ8eiSn3gWdVBaEsiCwmxY00ScKxFQ3PJH\n"
+    "Vw4hAoGAdZLd8KfjjG6lg7hfpVqavstqVi9LOgkHeCfdjn7JP+76kYrgLk/XdkrP\n"
+    "N/BHhtFVFjOi/mTQfQ5YfZImkm/1ePBy7437DT8BDkOxspa50kK4HPggHnU64h1w\n"
+    "lhdEOj7mAgHwGwwVZWOgs9Lq6vfztnSuhqjha1daESY6kDscPIQ=\n"
+    "-----END RSA PRIVATE KEY-----\n";
+
+EVP_PKEY *
+ssl_getkey(void)
+{
+	EVP_PKEY *key;
+	BIO *bio;
+
+	/* new read-only BIO backed by KEY. */
+	bio = BIO_new_mem_buf((char*)KEY, -1);
+	tt_assert(bio);
+
+	key = PEM_read_bio_PrivateKey(bio,NULL,NULL,NULL);
+	BIO_free(bio);
+	tt_assert(key);
+
+	return key;
+end:
+	return NULL;
+}
+
+X509 *
+ssl_getcert(void)
+{
+	/* Dummy code to make a quick-and-dirty valid certificate with
+	   OpenSSL.  Don't copy this code into your own program! It does a
+	   number of things in a stupid and insecure way. */
+	X509 *x509 = NULL;
+	X509_NAME *name = NULL;
+	EVP_PKEY *key = ssl_getkey();
+	int nid;
+	time_t now = time(NULL);
+
+	tt_assert(key);
+
+	x509 = X509_new();
+	tt_assert(x509);
+	tt_assert(0 != X509_set_version(x509, 2));
+	tt_assert(0 != ASN1_INTEGER_set(X509_get_serialNumber(x509),
+		(long)now));
+
+	name = X509_NAME_new();
+	tt_assert(name);
+	nid = OBJ_txt2nid("commonName");
+	tt_assert(NID_undef != nid);
+	tt_assert(0 != X509_NAME_add_entry_by_NID(
+		    name, nid, MBSTRING_ASC, (unsigned char*)"example.com",
+		    -1, -1, 0));
+
+	X509_set_subject_name(x509, name);
+	X509_set_issuer_name(x509, name);
+
+	X509_time_adj(X509_get_notBefore(x509), 0, &now);
+	now += 3600;
+	X509_time_adj(X509_get_notAfter(x509), 0, &now);
+	X509_set_pubkey(x509, key);
+	tt_assert(0 != X509_sign(x509, key, EVP_sha1()));
+
+	return x509;
+end:
+	X509_free(x509);
+	return NULL;
+}
+
+static int disable_tls_11_and_12 = 0;
+static SSL_CTX *the_ssl_ctx = NULL;
+
+SSL_CTX *
+get_ssl_ctx(void)
+{
+	if (the_ssl_ctx)
+		return the_ssl_ctx;
+	the_ssl_ctx = SSL_CTX_new(SSLv23_method());
+	if (!the_ssl_ctx)
+		return NULL;
+	if (disable_tls_11_and_12) {
+#ifdef SSL_OP_NO_TLSv1_2
+		SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_2);
+#endif
+#ifdef SSL_OP_NO_TLSv1_1
+		SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_1);
+#endif
+	}
+	return the_ssl_ctx;
+}
+
+void
+init_ssl(void)
+{
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	SSL_library_init();
+	ERR_load_crypto_strings();
+	SSL_load_error_strings();
+	OpenSSL_add_all_algorithms();
+	if (SSLeay() != OPENSSL_VERSION_NUMBER) {
+		TT_DECLARE("WARN", ("Version mismatch for openssl: compiled with %lx but running with %lx", (unsigned long)OPENSSL_VERSION_NUMBER, (unsigned long) SSLeay()));
+	}
+#endif
+}
+
+/* ====================
+   Here's a simple test: we read a number from the input, increment it, and
+   reply, until we get to 1001.
+*/
+
+static int test_is_done = 0;
+static int n_connected = 0;
+static int got_close = 0;
+static int got_error = 0;
+static int got_timeout = 0;
+static int renegotiate_at = -1;
+static int stop_when_connected = 0;
+static int pending_connect_events = 0;
+static struct event_base *exit_base = NULL;
+
+enum regress_openssl_type
+{
+	REGRESS_OPENSSL_SOCKETPAIR = 1,
+	REGRESS_OPENSSL_FILTER = 2,
+	REGRESS_OPENSSL_RENEGOTIATE = 4,
+	REGRESS_OPENSSL_OPEN = 8,
+	REGRESS_OPENSSL_DIRTY_SHUTDOWN = 16,
+	REGRESS_OPENSSL_FD = 32,
+
+	REGRESS_OPENSSL_CLIENT = 64,
+	REGRESS_OPENSSL_SERVER = 128,
+
+	REGRESS_OPENSSL_FREED = 256,
+	REGRESS_OPENSSL_TIMEOUT = 512,
+	REGRESS_OPENSSL_SLEEP = 1024,
+
+	REGRESS_OPENSSL_CLIENT_WRITE = 2048,
+};
+
+static void
+bufferevent_openssl_check_fd(struct bufferevent *bev, int filter)
+{
+	tt_int_op(bufferevent_getfd(bev), !=, -1);
+	tt_int_op(bufferevent_setfd(bev, -1), ==, 0);
+	if (filter) {
+		tt_int_op(bufferevent_getfd(bev), !=, -1);
+	} else {
+		tt_int_op(bufferevent_getfd(bev), ==, -1);
+	}
+
+end:
+	;
+}
+static void
+bufferevent_openssl_check_freed(struct bufferevent *bev)
+{
+	tt_int_op(event_pending(&bev->ev_read, EVLIST_ALL, NULL), ==, 0);
+	tt_int_op(event_pending(&bev->ev_write, EVLIST_ALL, NULL), ==, 0);
+
+end:
+	;
+}
+
+static void
+respond_to_number(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *b = bufferevent_get_input(bev);
+	char *line;
+	int n;
+
+	enum regress_openssl_type type;
+	type = (enum regress_openssl_type)ctx;
+
+	line = evbuffer_readln(b, NULL, EVBUFFER_EOL_LF);
+	if (! line)
+		return;
+	n = atoi(line);
+	if (n <= 0)
+		TT_FAIL(("Bad number: %s", line));
+	free(line);
+	TT_BLATHER(("The number was %d", n));
+	if (n == 1001) {
+		++test_is_done;
+		bufferevent_free(bev); /* Should trigger close on other side. */
+		return;
+	}
+	if ((type & REGRESS_OPENSSL_CLIENT) && n == renegotiate_at) {
+		SSL_renegotiate(bufferevent_openssl_get_ssl(bev));
+	}
+	++n;
+	evbuffer_add_printf(bufferevent_get_output(bev),
+	    "%d\n", n);
+	TT_BLATHER(("Done reading; now writing."));
+	bufferevent_enable(bev, EV_WRITE);
+	bufferevent_disable(bev, EV_READ);
+}
+
+static void
+done_writing_cb(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *b = bufferevent_get_output(bev);
+	if (evbuffer_get_length(b))
+		return;
+	TT_BLATHER(("Done writing."));
+	bufferevent_disable(bev, EV_WRITE);
+	bufferevent_enable(bev, EV_READ);
+}
+
+static void
+eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	enum regress_openssl_type type;
+	type = (enum regress_openssl_type)ctx;
+
+	TT_BLATHER(("Got event %d", (int)what));
+	if (what & BEV_EVENT_CONNECTED) {
+		SSL *ssl;
+		X509 *peer_cert;
+		++n_connected;
+		ssl = bufferevent_openssl_get_ssl(bev);
+		tt_assert(ssl);
+		peer_cert = SSL_get_peer_certificate(ssl);
+		if (type & REGRESS_OPENSSL_SERVER) {
+			tt_assert(peer_cert == NULL);
+		} else {
+			tt_assert(peer_cert != NULL);
+		}
+		if (stop_when_connected) {
+			if (--pending_connect_events == 0)
+				event_base_loopexit(exit_base, NULL);
+		}
+
+		if ((type & REGRESS_OPENSSL_CLIENT_WRITE) && (type & REGRESS_OPENSSL_CLIENT))
+			evbuffer_add_printf(bufferevent_get_output(bev), "1\n");
+	} else if (what & BEV_EVENT_EOF) {
+		TT_BLATHER(("Got a good EOF"));
+		++got_close;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	} else if (what & BEV_EVENT_ERROR) {
+		TT_BLATHER(("Got an error."));
+		++got_error;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	} else if (what & BEV_EVENT_TIMEOUT) {
+		TT_BLATHER(("Got timeout."));
+		++got_timeout;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	}
+end:
+	;
+}
+
+static void
+open_ssl_bufevs(struct bufferevent **bev1_out, struct bufferevent **bev2_out,
+    struct event_base *base, int is_open, int flags, SSL *ssl1, SSL *ssl2,
+    evutil_socket_t *fd_pair, struct bufferevent **underlying_pair,
+    enum regress_openssl_type type)
+{
+	int state1 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_CONNECTING;
+	int state2 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_ACCEPTING;
+	int dirty_shutdown = type & REGRESS_OPENSSL_DIRTY_SHUTDOWN;
+	if (fd_pair) {
+		*bev1_out = bufferevent_openssl_socket_new(
+			base, fd_pair[0], ssl1, state1, flags);
+		*bev2_out = bufferevent_openssl_socket_new(
+			base, fd_pair[1], ssl2, state2, flags);
+	} else {
+		*bev1_out = bufferevent_openssl_filter_new(
+			base, underlying_pair[0], ssl1, state1, flags);
+		*bev2_out = bufferevent_openssl_filter_new(
+			base, underlying_pair[1], ssl2, state2, flags);
+
+	}
+	bufferevent_setcb(*bev1_out, respond_to_number, done_writing_cb,
+	    eventcb, (void*)(REGRESS_OPENSSL_CLIENT | (long)type));
+	bufferevent_setcb(*bev2_out, respond_to_number, done_writing_cb,
+	    eventcb, (void*)(REGRESS_OPENSSL_SERVER | (long)type));
+
+	bufferevent_openssl_set_allow_dirty_shutdown(*bev1_out, dirty_shutdown);
+	bufferevent_openssl_set_allow_dirty_shutdown(*bev2_out, dirty_shutdown);
+}
+
+static void
+regress_bufferevent_openssl(void *arg)
+{
+	struct basic_test_data *data = arg;
+
+	struct bufferevent *bev1, *bev2;
+	SSL *ssl1, *ssl2;
+	X509 *cert = ssl_getcert();
+	EVP_PKEY *key = ssl_getkey();
+	int flags = BEV_OPT_DEFER_CALLBACKS;
+	struct bufferevent *bev_ll[2] = { NULL, NULL };
+	evutil_socket_t *fd_pair = NULL;
+
+	enum regress_openssl_type type;
+	type = (enum regress_openssl_type)data->setup_data;
+
+	tt_assert(cert);
+	tt_assert(key);
+
+	init_ssl();
+
+	if (type & REGRESS_OPENSSL_RENEGOTIATE) {
+		if (SSLeay() >= 0x10001000 &&
+		    SSLeay() <  0x1000104f) {
+			/* 1.0.1 up to 1.0.1c has a bug where TLS1.1 and 1.2
+			 * can't renegotiate with themselves. Disable. */
+			disable_tls_11_and_12 = 1;
+		}
+		renegotiate_at = 600;
+	}
+
+	ssl1 = SSL_new(get_ssl_ctx());
+	ssl2 = SSL_new(get_ssl_ctx());
+
+	SSL_use_certificate(ssl2, cert);
+	SSL_use_PrivateKey(ssl2, key);
+
+	if (!(type & REGRESS_OPENSSL_OPEN))
+		flags |= BEV_OPT_CLOSE_ON_FREE;
+
+	if (!(type & REGRESS_OPENSSL_FILTER)) {
+		tt_assert(type & REGRESS_OPENSSL_SOCKETPAIR);
+		fd_pair = data->pair;
+	} else {
+		bev_ll[0] = bufferevent_socket_new(data->base, data->pair[0],
+		    BEV_OPT_CLOSE_ON_FREE);
+		bev_ll[1] = bufferevent_socket_new(data->base, data->pair[1],
+		    BEV_OPT_CLOSE_ON_FREE);
+	}
+
+	open_ssl_bufevs(&bev1, &bev2, data->base, 0, flags, ssl1, ssl2,
+	    fd_pair, bev_ll, type);
+
+	if (!(type & REGRESS_OPENSSL_FILTER)) {
+		tt_int_op(bufferevent_getfd(bev1), ==, data->pair[0]);
+	} else {
+		tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev_ll[0]);
+	}
+
+	if (type & REGRESS_OPENSSL_OPEN) {
+		pending_connect_events = 2;
+		stop_when_connected = 1;
+		exit_base = data->base;
+		event_base_dispatch(data->base);
+		/* Okay, now the renegotiation is done.  Make new
+		 * bufferevents to test opening in BUFFEREVENT_SSL_OPEN */
+		flags |= BEV_OPT_CLOSE_ON_FREE;
+		bufferevent_free(bev1);
+		bufferevent_free(bev2);
+		bev1 = bev2 = NULL;
+		open_ssl_bufevs(&bev1, &bev2, data->base, 1, flags, ssl1, ssl2,
+		    fd_pair, bev_ll, type);
+	}
+
+	if (!(type & REGRESS_OPENSSL_TIMEOUT)) {
+		bufferevent_enable(bev1, EV_READ|EV_WRITE);
+		bufferevent_enable(bev2, EV_READ|EV_WRITE);
+
+		if (!(type & REGRESS_OPENSSL_CLIENT_WRITE))
+			evbuffer_add_printf(bufferevent_get_output(bev1), "1\n");
+
+		event_base_dispatch(data->base);
+
+		tt_assert(test_is_done == 1);
+		tt_assert(n_connected == 2);
+
+		/* We don't handle shutdown properly yet */
+		if (type & REGRESS_OPENSSL_DIRTY_SHUTDOWN) {
+			tt_int_op(got_close, ==, 1);
+			tt_int_op(got_error, ==, 0);
+		} else {
+			tt_int_op(got_error, ==, 1);
+		}
+		tt_int_op(got_timeout, ==, 0);
+	} else {
+		struct timeval t = { 2, 0 };
+
+		bufferevent_enable(bev1, EV_READ|EV_WRITE);
+		bufferevent_disable(bev2, EV_READ|EV_WRITE);
+
+		bufferevent_set_timeouts(bev1, &t, &t);
+
+		if (!(type & REGRESS_OPENSSL_CLIENT_WRITE))
+			evbuffer_add_printf(bufferevent_get_output(bev1), "1\n");
+
+		event_base_dispatch(data->base);
+
+		tt_assert(test_is_done == 0);
+		tt_assert(n_connected == 0);
+
+		tt_int_op(got_close, ==, 0);
+		tt_int_op(got_error, ==, 0);
+		tt_int_op(got_timeout, ==, 1);
+	}
+end:
+	return;
+}
+
+static void
+acceptcb_deferred(evutil_socket_t fd, short events, void *arg)
+{
+	struct bufferevent *bev = arg;
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+}
+static void
+acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *addr, int socklen, void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	enum regress_openssl_type type;
+	SSL *ssl = SSL_new(get_ssl_ctx());
+
+	type = (enum regress_openssl_type)data->setup_data;
+
+	SSL_use_certificate(ssl, ssl_getcert());
+	SSL_use_PrivateKey(ssl, ssl_getkey());
+
+	bev = bufferevent_openssl_socket_new(
+		data->base,
+		fd,
+		ssl,
+		BUFFEREVENT_SSL_ACCEPTING,
+		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+
+	bufferevent_setcb(bev, respond_to_number, NULL, eventcb,
+	    (void*)(REGRESS_OPENSSL_SERVER));
+
+	if (type & REGRESS_OPENSSL_SLEEP) {
+		struct timeval when = { 1, 0 };
+		event_base_once(data->base, -1, EV_TIMEOUT,
+		    acceptcb_deferred, bev, &when);
+		bufferevent_disable(bev, EV_READ|EV_WRITE);
+	} else {
+		bufferevent_enable(bev, EV_READ|EV_WRITE);
+	}
+
+	/* Only accept once, then disable ourself. */
+	evconnlistener_disable(listener);
+}
+
+struct rwcount
+{
+	int fd;
+	size_t read;
+	size_t write;
+};
+static int
+bio_rwcount_new(BIO *b)
+{
+	BIO_set_init(b, 0);
+	BIO_set_data(b, NULL);
+	return 1;
+}
+static int
+bio_rwcount_free(BIO *b)
+{
+	if (!b)
+		return 0;
+	if (BIO_get_shutdown(b)) {
+		BIO_set_init(b, 0);
+		BIO_set_data(b, NULL);
+	}
+	return 1;
+}
+static int
+bio_rwcount_read(BIO *b, char *out, int outlen)
+{
+	struct rwcount *rw = BIO_get_data(b);
+	ev_ssize_t ret = recv(rw->fd, out, outlen, 0);
+	++rw->read;
+	if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) {
+		BIO_set_retry_read(b);
+	}
+	return ret;
+}
+static int
+bio_rwcount_write(BIO *b, const char *in, int inlen)
+{
+
+	struct rwcount *rw = BIO_get_data(b);
+	ev_ssize_t ret = send(rw->fd, in, inlen, 0);
+	++rw->write;
+	if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) {
+		BIO_set_retry_write(b);
+	}
+	return ret;
+}
+static long
+bio_rwcount_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+	long ret = 0;
+	switch (cmd) {
+	case BIO_CTRL_GET_CLOSE:
+		ret = BIO_get_shutdown(b);
+		break;
+	case BIO_CTRL_SET_CLOSE:
+		BIO_set_shutdown(b, (int)num);
+		break;
+	case BIO_CTRL_PENDING:
+		ret = 0;
+		break;
+	case BIO_CTRL_WPENDING:
+		ret = 0;
+		break;
+	case BIO_CTRL_DUP:
+	case BIO_CTRL_FLUSH:
+		ret = 1;
+		break;
+	}
+	return ret;
+}
+static int
+bio_rwcount_puts(BIO *b, const char *s)
+{
+	return bio_rwcount_write(b, s, strlen(s));
+}
+#define BIO_TYPE_LIBEVENT_RWCOUNT 0xff1
+static BIO_METHOD *methods_rwcount;
+
+static BIO_METHOD *
+BIO_s_rwcount(void)
+{
+	if (methods_rwcount == NULL) {
+		methods_rwcount = BIO_meth_new(BIO_TYPE_LIBEVENT_RWCOUNT, "rwcount");
+		if (methods_rwcount == NULL)
+			return NULL;
+		BIO_meth_set_write(methods_rwcount, bio_rwcount_write);
+		BIO_meth_set_read(methods_rwcount, bio_rwcount_read);
+		BIO_meth_set_puts(methods_rwcount, bio_rwcount_puts);
+		BIO_meth_set_ctrl(methods_rwcount, bio_rwcount_ctrl);
+		BIO_meth_set_create(methods_rwcount, bio_rwcount_new);
+		BIO_meth_set_destroy(methods_rwcount, bio_rwcount_free);
+	}
+	return methods_rwcount;
+}
+static BIO *
+BIO_new_rwcount(int close_flag)
+{
+	BIO *result;
+	if (!(result = BIO_new(BIO_s_rwcount())))
+		return NULL;
+	BIO_set_init(result, 1);
+	BIO_set_data(result,  NULL);
+	BIO_set_shutdown(result, !!close_flag);
+	return result;
+}
+
+static void
+regress_bufferevent_openssl_connect(void *arg)
+{
+	struct basic_test_data *data = arg;
+
+	struct event_base *base = data->base;
+
+	struct evconnlistener *listener;
+	struct bufferevent *bev;
+	struct sockaddr_in sin;
+	struct sockaddr_storage ss;
+	ev_socklen_t slen;
+	SSL *ssl;
+	BIO *bio;
+	struct rwcount rw = { -1, 0, 0 };
+	enum regress_openssl_type type;
+
+	type = (enum regress_openssl_type)data->setup_data;
+
+	init_ssl();
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001);
+
+	memset(&ss, 0, sizeof(ss));
+	slen = sizeof(ss);
+
+	listener = evconnlistener_new_bind(base, acceptcb, data,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr *)&sin, sizeof(sin));
+
+	tt_assert(listener);
+	tt_assert(evconnlistener_get_fd(listener) >= 0);
+
+	ssl = SSL_new(get_ssl_ctx());
+	tt_assert(ssl);
+
+	bev = bufferevent_openssl_socket_new(
+		data->base, -1, ssl,
+		BUFFEREVENT_SSL_CONNECTING,
+		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	tt_assert(bev);
+
+	bufferevent_setcb(bev, respond_to_number, NULL, eventcb,
+	    (void*)(REGRESS_OPENSSL_CLIENT));
+
+	tt_assert(getsockname(evconnlistener_get_fd(listener),
+		(struct sockaddr*)&ss, &slen) == 0);
+	tt_assert(slen == sizeof(struct sockaddr_in));
+	tt_int_op(((struct sockaddr*)&ss)->sa_family, ==, AF_INET);
+
+	tt_assert(0 ==
+	    bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen));
+	/* Possible only when we have fd, since be_openssl can and will overwrite
+	 * bio otherwise before */
+	if (type & REGRESS_OPENSSL_SLEEP) {
+		rw.fd = bufferevent_getfd(bev);
+		bio = BIO_new_rwcount(0);
+		tt_assert(bio);
+		BIO_set_data(bio, &rw);
+		SSL_set_bio(ssl, bio, bio);
+	}
+	evbuffer_add_printf(bufferevent_get_output(bev), "1\n");
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+
+	event_base_dispatch(base);
+
+	tt_int_op(rw.read, <=, 100);
+	tt_int_op(rw.write, <=, 100);
+end:
+	;
+}
+
+struct testcase_t ssl_testcases[] = {
+#define T(a) ((void *)(a))
+	{ "bufferevent_socketpair", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup, T(REGRESS_OPENSSL_SOCKETPAIR) },
+	{ "bufferevent_socketpair_write_after_connect", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR|REGRESS_OPENSSL_CLIENT_WRITE) },
+	{ "bufferevent_filter", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup, T(REGRESS_OPENSSL_FILTER) },
+	{ "bufferevent_filter_write_after_connect", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER|REGRESS_OPENSSL_CLIENT_WRITE) },
+	{ "bufferevent_renegotiate_socketpair", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE) },
+	{ "bufferevent_renegotiate_filter", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE) },
+	{ "bufferevent_socketpair_startopen", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN) },
+	{ "bufferevent_filter_startopen", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN) },
+
+	{ "bufferevent_socketpair_dirty_shutdown", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_filter_dirty_shutdown", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_renegotiate_socketpair_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED,
+	  &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_renegotiate_filter_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED,
+	  &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_socketpair_startopen_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_filter_startopen_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+
+	{ "bufferevent_socketpair_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FD) },
+	{ "bufferevent_socketpair_freed", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED) },
+	{ "bufferevent_socketpair_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+	{ "bufferevent_filter_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+
+	{ "bufferevent_socketpair_timeout", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT) },
+	{ "bufferevent_socketpair_timeout_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &basic_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+
+	{ "bufferevent_connect", regress_bufferevent_openssl_connect,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
+	{ "bufferevent_connect_sleep", regress_bufferevent_openssl_connect,
+	  TT_FORK|TT_NEED_BASE, &basic_setup, T(REGRESS_OPENSSL_SLEEP) },
+
+#undef T
+
+	END_OF_TESTCASES,
+};
diff --git a/test/regress_testutils.c b/test/regress_testutils.c
new file mode 100644
index 0000000..959347e
--- /dev/null
+++ b/test/regress_testutils.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#include <ws2tcpip.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/queue.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <signal.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/dns.h"
+#include "event2/dns_struct.h"
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/util.h"
+#include "event2/listener.h"
+#include "event2/bufferevent.h"
+#include "log-internal.h"
+#include "regress.h"
+#include "regress_testutils.h"
+
+/* globals */
+static struct evdns_server_port *dns_port;
+evutil_socket_t dns_sock = -1;
+
+/* Helper: return the port that a socket is bound on, in host order. */
+int
+regress_get_socket_port(evutil_socket_t fd)
+{
+	struct sockaddr_storage ss;
+	ev_socklen_t socklen = sizeof(ss);
+	if (getsockname(fd, (struct sockaddr*)&ss, &socklen) != 0)
+		return -1;
+	if (ss.ss_family == AF_INET)
+		return ntohs( ((struct sockaddr_in*)&ss)->sin_port);
+	else if (ss.ss_family == AF_INET6)
+		return ntohs( ((struct sockaddr_in6*)&ss)->sin6_port);
+	else
+		return -1;
+}
+
+struct evdns_server_port *
+regress_get_dnsserver(struct event_base *base,
+    ev_uint16_t *portnum,
+    evutil_socket_t *psock,
+    evdns_request_callback_fn_type cb,
+    void *arg)
+{
+	struct evdns_server_port *port = NULL;
+	evutil_socket_t sock;
+	struct sockaddr_in my_addr;
+
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock < 0) {
+		tt_abort_perror("socket");
+	}
+
+	evutil_make_socket_nonblocking(sock);
+
+	memset(&my_addr, 0, sizeof(my_addr));
+	my_addr.sin_family = AF_INET;
+	my_addr.sin_port = htons(*portnum);
+	my_addr.sin_addr.s_addr = htonl(0x7f000001UL);
+	if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) {
+		evutil_closesocket(sock);
+		tt_abort_perror("bind");
+	}
+	port = evdns_add_server_port_with_base(base, sock, 0, cb, arg);
+	if (!*portnum)
+		*portnum = regress_get_socket_port(sock);
+	if (psock)
+		*psock = sock;
+
+	return port;
+end:
+	return NULL;
+}
+
+void
+regress_clean_dnsserver(void)
+{
+	if (dns_port) {
+		evdns_close_server_port(dns_port);
+		dns_port = NULL;
+	}
+	if (dns_sock >= 0) {
+		evutil_closesocket(dns_sock);
+		dns_sock = -1;
+	}
+}
+
+static void strtolower(char *s)
+{
+	while (*s) {
+		*s = EVUTIL_TOLOWER_(*s);
+		++s;
+	}
+}
+void
+regress_dns_server_cb(struct evdns_server_request *req, void *data)
+{
+	struct regress_dns_server_table *tab = data;
+	char *question;
+
+	if (req->nquestions != 1)
+		TT_DIE(("Only handling one question at a time; got %d",
+			req->nquestions));
+
+	question = req->questions[0]->name;
+
+	while (tab->q && evutil_ascii_strcasecmp(question, tab->q) &&
+	    strcmp("*", tab->q))
+		++tab;
+	if (tab->q == NULL)
+		TT_DIE(("Unexpected question: '%s'", question));
+
+	++tab->seen;
+
+	if (tab->lower)
+		strtolower(question);
+
+	if (!strcmp(tab->anstype, "err")) {
+		int err = atoi(tab->ans);
+		tt_assert(! evdns_server_request_respond(req, err));
+		return;
+	} else if (!strcmp(tab->anstype, "errsoa")) {
+		int err = atoi(tab->ans);
+		char soa_record[] =
+			"\x04" "dns1" "\x05" "icann" "\x03" "org" "\0"
+			"\x0a" "hostmaster" "\x05" "icann" "\x03" "org" "\0"
+			"\x77\xde\x5e\xba" /* serial */
+			"\x00\x00\x1c\x20" /* refreshtime = 2h */
+			"\x00\x00\x0e\x10" /* retry = 1h */
+			"\x00\x12\x75\x00" /* expiration = 14d */
+			"\x00\x00\x0e\x10" /* min.ttl = 1h */
+			;
+		evdns_server_request_add_reply(
+			req, EVDNS_AUTHORITY_SECTION,
+			"example.com", EVDNS_TYPE_SOA, EVDNS_CLASS_INET,
+			42, sizeof(soa_record) - 1, 0, soa_record);
+		tt_assert(! evdns_server_request_respond(req, err));
+		return;
+	} else if (!strcmp(tab->anstype, "A")) {
+		struct in_addr in;
+		if (!evutil_inet_pton(AF_INET, tab->ans, &in)) {
+			TT_DIE(("Bad A value %s in table", tab->ans));
+		}
+		evdns_server_request_add_a_reply(req, question, 1, &in.s_addr,
+		    100);
+	} else if (!strcmp(tab->anstype, "AAAA")) {
+		struct in6_addr in6;
+		if (!evutil_inet_pton(AF_INET6, tab->ans, &in6)) {
+			TT_DIE(("Bad AAAA value %s in table", tab->ans));
+		}
+		evdns_server_request_add_aaaa_reply(req,
+		    question, 1, &in6.s6_addr, 100);
+	} else {
+		TT_DIE(("Weird table entry with type '%s'", tab->anstype));
+	}
+	tt_assert(! evdns_server_request_respond(req, 0))
+	return;
+end:
+	tt_want(! evdns_server_request_drop(req));
+}
+
+int
+regress_dnsserver(struct event_base *base, ev_uint16_t *port,
+    struct regress_dns_server_table *search_table)
+{
+	dns_port = regress_get_dnsserver(base, port, &dns_sock,
+	    regress_dns_server_cb, search_table);
+	return dns_port != NULL;
+}
+
+int
+regress_get_listener_addr(struct evconnlistener *lev,
+    struct sockaddr *sa, ev_socklen_t *socklen)
+{
+	evutil_socket_t s = evconnlistener_get_fd(lev);
+	if (s <= 0)
+		return -1;
+	return getsockname(s, sa, socklen);
+}
diff --git a/test/regress_testutils.h b/test/regress_testutils.h
new file mode 100644
index 0000000..040516a
--- /dev/null
+++ b/test/regress_testutils.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef REGRESS_TESTUTILS_H_INCLUDED_
+#define REGRESS_TESTUTILS_H_INCLUDED_
+
+#include "event2/dns.h"
+
+struct regress_dns_server_table {
+	const char *q;
+	const char *anstype;
+	const char *ans;
+	int seen;
+	int lower;
+};
+
+struct evdns_server_port *
+regress_get_dnsserver(struct event_base *base,
+    ev_uint16_t *portnum,
+    evutil_socket_t *psock,
+    evdns_request_callback_fn_type cb,
+    void *arg);
+
+/* Helper: return the port that a socket is bound on, in host order. */
+int regress_get_socket_port(evutil_socket_t fd);
+
+/* used to look up pre-canned responses in a search table */
+void regress_dns_server_cb(
+	struct evdns_server_request *req, void *data);
+
+/* globally allocates a dns server that serves from a search table */
+int regress_dnsserver(struct event_base *base, ev_uint16_t *port,
+    struct regress_dns_server_table *seach_table);
+
+/* clean up the global dns server resources */
+void regress_clean_dnsserver(void);
+
+struct evconnlistener;
+struct sockaddr;
+int regress_get_listener_addr(struct evconnlistener *lev,
+    struct sockaddr *sa, ev_socklen_t *socklen);
+
+#endif /* REGRESS_TESTUTILS_H_INCLUDED_ */
+
diff --git a/test/regress_thread.c b/test/regress_thread.c
new file mode 100644
index 0000000..689c23d
--- /dev/null
+++ b/test/regress_thread.c
@@ -0,0 +1,590 @@
+/*
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+
+/* The old tests here need assertions to work. */
+#undef NDEBUG
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef EVENT__HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef EVENT__HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#ifdef EVENT__HAVE_PTHREADS
+#include <pthread.h>
+#elif defined(_WIN32)
+#include <process.h>
+#endif
+#include <assert.h>
+#ifdef EVENT__HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <time.h>
+
+#include "sys/queue.h"
+
+#include "event2/event.h"
+#include "event2/event_struct.h"
+#include "event2/thread.h"
+#include "event2/util.h"
+#include "evthread-internal.h"
+#include "event-internal.h"
+#include "defer-internal.h"
+#include "regress.h"
+#include "tinytest_macros.h"
+#include "time-internal.h"
+#include "regress_thread.h"
+
+struct cond_wait {
+	void *lock;
+	void *cond;
+};
+
+static void
+wake_all_timeout(evutil_socket_t fd, short what, void *arg)
+{
+	struct cond_wait *cw = arg;
+	EVLOCK_LOCK(cw->lock, 0);
+	EVTHREAD_COND_BROADCAST(cw->cond);
+	EVLOCK_UNLOCK(cw->lock, 0);
+
+}
+
+static void
+wake_one_timeout(evutil_socket_t fd, short what, void *arg)
+{
+	struct cond_wait *cw = arg;
+	EVLOCK_LOCK(cw->lock, 0);
+	EVTHREAD_COND_SIGNAL(cw->cond);
+	EVLOCK_UNLOCK(cw->lock, 0);
+}
+
+#define NUM_THREADS	100
+#define NUM_ITERATIONS  100
+void *count_lock;
+static int count;
+
+static THREAD_FN
+basic_thread(void *arg)
+{
+	struct cond_wait cw;
+	struct event_base *base = arg;
+	struct event ev;
+	int i = 0;
+
+	EVTHREAD_ALLOC_LOCK(cw.lock, 0);
+	EVTHREAD_ALLOC_COND(cw.cond);
+	assert(cw.lock);
+	assert(cw.cond);
+
+	evtimer_assign(&ev, base, wake_all_timeout, &cw);
+	for (i = 0; i < NUM_ITERATIONS; i++) {
+		struct timeval tv;
+		evutil_timerclear(&tv);
+		tv.tv_sec = 0;
+		tv.tv_usec = 3000;
+
+		EVLOCK_LOCK(cw.lock, 0);
+		/* we need to make sure that event does not happen before
+		 * we get to wait on the conditional variable */
+		assert(evtimer_add(&ev, &tv) == 0);
+
+		assert(EVTHREAD_COND_WAIT(cw.cond, cw.lock) == 0);
+		EVLOCK_UNLOCK(cw.lock, 0);
+
+		EVLOCK_LOCK(count_lock, 0);
+		++count;
+		EVLOCK_UNLOCK(count_lock, 0);
+	}
+
+	/* exit the loop only if all threads fired all timeouts */
+	EVLOCK_LOCK(count_lock, 0);
+	if (count >= NUM_THREADS * NUM_ITERATIONS)
+		event_base_loopexit(base, NULL);
+	EVLOCK_UNLOCK(count_lock, 0);
+
+	EVTHREAD_FREE_LOCK(cw.lock, 0);
+	EVTHREAD_FREE_COND(cw.cond);
+
+	THREAD_RETURN();
+}
+
+static int notification_fd_used = 0;
+#ifndef _WIN32
+static int got_sigchld = 0;
+static void
+sigchld_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct timeval tv;
+	struct event_base *base = arg;
+
+	got_sigchld++;
+	tv.tv_usec = 100000;
+	tv.tv_sec = 0;
+	event_base_loopexit(base, &tv);
+}
+
+
+static void
+notify_fd_cb(evutil_socket_t fd, short event, void *arg)
+{
+	++notification_fd_used;
+}
+#endif
+
+static void
+thread_basic(void *arg)
+{
+	THREAD_T threads[NUM_THREADS];
+	struct event ev;
+	struct timeval tv;
+	int i;
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+
+	struct event *notification_event = NULL;
+	struct event *sigchld_event = NULL;
+
+	EVTHREAD_ALLOC_LOCK(count_lock, 0);
+	tt_assert(count_lock);
+
+	tt_assert(base);
+	if (evthread_make_base_notifiable(base)<0) {
+		tt_abort_msg("Couldn't make base notifiable!");
+	}
+
+#ifndef _WIN32
+	if (data->setup_data && !strcmp(data->setup_data, "forking")) {
+		pid_t pid;
+		int status;
+		sigchld_event = evsignal_new(base, SIGCHLD, sigchld_cb, base);
+		/* This piggybacks on the th_notify_fd weirdly, and looks
+		 * inside libevent internals.  Not a good idea in non-testing
+		 * code! */
+		notification_event = event_new(base,
+		    base->th_notify_fd[0], EV_READ|EV_PERSIST, notify_fd_cb,
+		    NULL);
+		event_add(sigchld_event, NULL);
+		event_add(notification_event, NULL);
+
+		if ((pid = fork()) == 0) {
+			event_del(notification_event);
+			if (event_reinit(base) < 0) {
+				TT_FAIL(("reinit"));
+				exit(1);
+			}
+			event_assign(notification_event, base,
+			    base->th_notify_fd[0], EV_READ|EV_PERSIST,
+			    notify_fd_cb, NULL);
+			event_add(notification_event, NULL);
+	 		goto child;
+		}
+
+		event_base_dispatch(base);
+
+		if (waitpid(pid, &status, 0) == -1)
+			tt_abort_perror("waitpid");
+		TT_BLATHER(("Waitpid okay\n"));
+
+		tt_assert(got_sigchld);
+		tt_int_op(notification_fd_used, ==, 0);
+
+		goto end;
+	}
+
+child:
+#endif
+	for (i = 0; i < NUM_THREADS; ++i)
+		THREAD_START(threads[i], basic_thread, base);
+
+	evtimer_assign(&ev, base, NULL, NULL);
+	evutil_timerclear(&tv);
+	tv.tv_sec = 1000;
+	event_add(&ev, &tv);
+
+	event_base_dispatch(base);
+
+	for (i = 0; i < NUM_THREADS; ++i)
+		THREAD_JOIN(threads[i]);
+
+	event_del(&ev);
+
+	tt_int_op(count, ==, NUM_THREADS * NUM_ITERATIONS);
+
+	EVTHREAD_FREE_LOCK(count_lock, 0);
+
+	TT_BLATHER(("notifiations==%d", notification_fd_used));
+
+end:
+
+	if (notification_event)
+		event_free(notification_event);
+	if (sigchld_event)
+		event_free(sigchld_event);
+}
+
+#undef NUM_THREADS
+#define NUM_THREADS 10
+
+struct alerted_record {
+	struct cond_wait *cond;
+	struct timeval delay;
+	struct timeval alerted_at;
+	int timed_out;
+};
+
+static THREAD_FN
+wait_for_condition(void *arg)
+{
+	struct alerted_record *rec = arg;
+	int r;
+
+	EVLOCK_LOCK(rec->cond->lock, 0);
+	if (rec->delay.tv_sec || rec->delay.tv_usec) {
+		r = EVTHREAD_COND_WAIT_TIMED(rec->cond->cond, rec->cond->lock,
+		    &rec->delay);
+	} else {
+		r = EVTHREAD_COND_WAIT(rec->cond->cond, rec->cond->lock);
+	}
+	EVLOCK_UNLOCK(rec->cond->lock, 0);
+
+	evutil_gettimeofday(&rec->alerted_at, NULL);
+	if (r == 1)
+		rec->timed_out = 1;
+
+	THREAD_RETURN();
+}
+
+static void
+thread_conditions_simple(void *arg)
+{
+	struct timeval tv_signal, tv_timeout, tv_broadcast;
+	struct alerted_record alerted[NUM_THREADS];
+	THREAD_T threads[NUM_THREADS];
+	struct cond_wait cond;
+	int i;
+	struct timeval launched_at;
+	struct event wake_one;
+	struct event wake_all;
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+	int n_timed_out=0, n_signal=0, n_broadcast=0;
+
+	tv_signal.tv_sec = tv_timeout.tv_sec = tv_broadcast.tv_sec = 0;
+	tv_signal.tv_usec = 30*1000;
+	tv_timeout.tv_usec = 150*1000;
+	tv_broadcast.tv_usec = 500*1000;
+
+	EVTHREAD_ALLOC_LOCK(cond.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	EVTHREAD_ALLOC_COND(cond.cond);
+	tt_assert(cond.lock);
+	tt_assert(cond.cond);
+	for (i = 0; i < NUM_THREADS; ++i) {
+		memset(&alerted[i], 0, sizeof(struct alerted_record));
+		alerted[i].cond = &cond;
+	}
+
+	/* Threads 5 and 6 will be allowed to time out */
+	memcpy(&alerted[5].delay, &tv_timeout, sizeof(tv_timeout));
+	memcpy(&alerted[6].delay, &tv_timeout, sizeof(tv_timeout));
+
+	evtimer_assign(&wake_one, base, wake_one_timeout, &cond);
+	evtimer_assign(&wake_all, base, wake_all_timeout, &cond);
+
+	evutil_gettimeofday(&launched_at, NULL);
+
+	/* Launch the threads... */
+	for (i = 0; i < NUM_THREADS; ++i) {
+		THREAD_START(threads[i], wait_for_condition, &alerted[i]);
+	}
+
+	/* Start the timers... */
+	tt_int_op(event_add(&wake_one, &tv_signal), ==, 0);
+	tt_int_op(event_add(&wake_all, &tv_broadcast), ==, 0);
+
+	/* And run for a bit... */
+	event_base_dispatch(base);
+
+	/* And wait till the threads are done. */
+	for (i = 0; i < NUM_THREADS; ++i)
+		THREAD_JOIN(threads[i]);
+
+	/* Now, let's see what happened. At least one of 5 or 6 should
+	 * have timed out. */
+	n_timed_out = alerted[5].timed_out + alerted[6].timed_out;
+	tt_int_op(n_timed_out, >=, 1);
+	tt_int_op(n_timed_out, <=, 2);
+
+	for (i = 0; i < NUM_THREADS; ++i) {
+		const struct timeval *target_delay;
+		struct timeval target_time, actual_delay;
+		if (alerted[i].timed_out) {
+			TT_BLATHER(("%d looks like a timeout\n", i));
+			target_delay = &tv_timeout;
+			tt_assert(i == 5 || i == 6);
+		} else if (evutil_timerisset(&alerted[i].alerted_at)) {
+			long diff1,diff2;
+			evutil_timersub(&alerted[i].alerted_at,
+			    &launched_at, &actual_delay);
+			diff1 = timeval_msec_diff(&actual_delay,
+			    &tv_signal);
+			diff2 = timeval_msec_diff(&actual_delay,
+			    &tv_broadcast);
+			if (labs(diff1) < labs(diff2)) {
+				TT_BLATHER(("%d looks like a signal\n", i));
+				target_delay = &tv_signal;
+				++n_signal;
+			} else {
+				TT_BLATHER(("%d looks like a broadcast\n", i));
+				target_delay = &tv_broadcast;
+				++n_broadcast;
+			}
+		} else {
+			TT_FAIL(("Thread %d never got woken", i));
+			continue;
+		}
+		evutil_timeradd(target_delay, &launched_at, &target_time);
+		test_timeval_diff_leq(&target_time, &alerted[i].alerted_at,
+		    0, 200);
+	}
+	tt_int_op(n_broadcast + n_signal + n_timed_out, ==, NUM_THREADS);
+	tt_int_op(n_signal, ==, 1);
+
+end:
+	EVTHREAD_FREE_LOCK(cond.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
+	EVTHREAD_FREE_COND(cond.cond);
+}
+
+#define CB_COUNT 128
+#define QUEUE_THREAD_COUNT 8
+
+static void
+SLEEP_MS(int ms)
+{
+	struct timeval tv;
+	tv.tv_sec = ms/1000;
+	tv.tv_usec = (ms%1000)*1000;
+	evutil_usleep_(&tv);
+}
+
+struct deferred_test_data {
+	struct event_callback cbs[CB_COUNT];
+	struct event_base *queue;
+};
+
+static struct timeval timer_start = {0,0};
+static struct timeval timer_end = {0,0};
+static unsigned callback_count = 0;
+static THREAD_T load_threads[QUEUE_THREAD_COUNT];
+static struct deferred_test_data deferred_data[QUEUE_THREAD_COUNT];
+
+static void
+deferred_callback(struct event_callback *cb, void *arg)
+{
+	SLEEP_MS(1);
+	callback_count += 1;
+}
+
+static THREAD_FN
+load_deferred_queue(void *arg)
+{
+	struct deferred_test_data *data = arg;
+	size_t i;
+
+	for (i = 0; i < CB_COUNT; ++i) {
+		event_deferred_cb_init_(&data->cbs[i], 0, deferred_callback,
+		    NULL);
+		event_deferred_cb_schedule_(data->queue, &data->cbs[i]);
+		SLEEP_MS(1);
+	}
+
+	THREAD_RETURN();
+}
+
+static void
+timer_callback(evutil_socket_t fd, short what, void *arg)
+{
+	evutil_gettimeofday(&timer_end, NULL);
+}
+
+static void
+start_threads_callback(evutil_socket_t fd, short what, void *arg)
+{
+	int i;
+
+	for (i = 0; i < QUEUE_THREAD_COUNT; ++i) {
+		THREAD_START(load_threads[i], load_deferred_queue,
+				&deferred_data[i]);
+	}
+}
+
+static void
+thread_deferred_cb_skew(void *arg)
+{
+	struct timeval tv_timer = {1, 0};
+	struct event_base *base = NULL;
+	struct event_config *cfg = NULL;
+	struct timeval elapsed;
+	int elapsed_usec;
+	int i;
+
+	cfg = event_config_new();
+	tt_assert(cfg);
+	event_config_set_max_dispatch_interval(cfg, NULL, 16, 0);
+
+	base = event_base_new_with_config(cfg);
+	tt_assert(base);
+
+	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
+		deferred_data[i].queue = base;
+
+	evutil_gettimeofday(&timer_start, NULL);
+	event_base_once(base, -1, EV_TIMEOUT, timer_callback, NULL,
+			&tv_timer);
+	event_base_once(base, -1, EV_TIMEOUT, start_threads_callback,
+			NULL, NULL);
+	event_base_dispatch(base);
+
+	evutil_timersub(&timer_end, &timer_start, &elapsed);
+	TT_BLATHER(("callback count, %u", callback_count));
+	elapsed_usec =
+	    (unsigned)(elapsed.tv_sec*1000000 + elapsed.tv_usec);
+	TT_BLATHER(("elapsed time, %u usec", elapsed_usec));
+
+	/* XXX be more intelligent here.  just make sure skew is
+	 * within .4 seconds for now. */
+	tt_assert(elapsed_usec >= 600000 && elapsed_usec <= 1400000);
+
+end:
+	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
+		THREAD_JOIN(load_threads[i]);
+	if (base)
+		event_base_free(base);
+	if (cfg)
+		event_config_free(cfg);
+}
+
+static struct event time_events[5];
+static struct timeval times[5];
+static struct event_base *exit_base = NULL;
+static void
+note_time_cb(evutil_socket_t fd, short what, void *arg)
+{
+	evutil_gettimeofday(arg, NULL);
+	if (arg == &times[4]) {
+		event_base_loopbreak(exit_base);
+	}
+}
+static THREAD_FN
+register_events_subthread(void *arg)
+{
+	struct timeval tv = {0,0};
+	SLEEP_MS(100);
+	event_active(&time_events[0], EV_TIMEOUT, 1);
+	SLEEP_MS(100);
+	event_active(&time_events[1], EV_TIMEOUT, 1);
+	SLEEP_MS(100);
+	tv.tv_usec = 100*1000;
+	event_add(&time_events[2], &tv);
+	tv.tv_usec = 150*1000;
+	event_add(&time_events[3], &tv);
+	SLEEP_MS(200);
+	event_active(&time_events[4], EV_TIMEOUT, 1);
+
+	THREAD_RETURN();
+}
+
+static void
+thread_no_events(void *arg)
+{
+	THREAD_T thread;
+	struct basic_test_data *data = arg;
+	struct timeval starttime, endtime;
+	int i;
+	exit_base = data->base;
+
+	memset(times,0,sizeof(times));
+	for (i=0;i<5;++i) {
+		event_assign(&time_events[i], data->base,
+		    -1, 0, note_time_cb, &times[i]);
+	}
+
+	evutil_gettimeofday(&starttime, NULL);
+	THREAD_START(thread, register_events_subthread, data->base);
+	event_base_loop(data->base, EVLOOP_NO_EXIT_ON_EMPTY);
+	evutil_gettimeofday(&endtime, NULL);
+	tt_assert(event_base_got_break(data->base));
+	THREAD_JOIN(thread);
+	for (i=0; i<5; ++i) {
+		struct timeval diff;
+		double sec;
+		evutil_timersub(&times[i], &starttime, &diff);
+		sec = diff.tv_sec + diff.tv_usec/1.0e6;
+		TT_BLATHER(("event %d at %.4f seconds", i, sec));
+	}
+	test_timeval_diff_eq(&starttime, &times[0], 100);
+	test_timeval_diff_eq(&starttime, &times[1], 200);
+	test_timeval_diff_eq(&starttime, &times[2], 400);
+	test_timeval_diff_eq(&starttime, &times[3], 450);
+	test_timeval_diff_eq(&starttime, &times[4], 500);
+	test_timeval_diff_eq(&starttime, &endtime,  500);
+
+end:
+	;
+}
+
+#define TEST(name)							\
+	{ #name, thread_##name, TT_FORK|TT_NEED_THREADS|TT_NEED_BASE,	\
+	  &basic_setup, NULL }
+
+struct testcase_t thread_testcases[] = {
+	{ "basic", thread_basic, TT_FORK|TT_NEED_THREADS|TT_NEED_BASE,
+	  &basic_setup, NULL },
+#ifndef _WIN32
+	{ "forking", thread_basic, TT_FORK|TT_NEED_THREADS|TT_NEED_BASE,
+	  &basic_setup, (char*)"forking" },
+#endif
+	TEST(conditions_simple),
+	{ "deferred_cb_skew", thread_deferred_cb_skew,
+	  TT_FORK|TT_NEED_THREADS|TT_OFF_BY_DEFAULT,
+	  &basic_setup, NULL },
+#ifndef _WIN32
+	/****** XXX TODO FIXME windows seems to be having some timing trouble,
+	 * looking into it now. / ellzey
+	 ******/
+	TEST(no_events),
+#endif
+	END_OF_TESTCASES
+};
+
diff --git a/evutil.h b/test/regress_thread.h
similarity index 68%
copy from evutil.h
copy to test/regress_thread.h
index 02bca89..831b51e 100644
--- a/evutil.h
+++ b/test/regress_thread.h
@@ -23,17 +23,26 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVUTIL_H_
-#define _EVUTIL_H_
 
-/** @file evutil.h
+#ifndef REGRESS_THREAD_H_INCLUDED_
+#define REGRESS_THREAD_H_INCLUDED_
 
-  Utility and compatibility functions for Libevent.
+#ifdef EVENT__HAVE_PTHREADS
+#define THREAD_T pthread_t
+#define THREAD_FN void *
+#define THREAD_RETURN() return (NULL)
+#define THREAD_START(threadvar, fn, arg) \
+	pthread_create(&(threadvar), NULL, fn, arg)
+#define THREAD_JOIN(th) pthread_join(th, NULL)
+#else
+#define THREAD_T HANDLE
+#define THREAD_FN unsigned __stdcall
+#define THREAD_RETURN() return (0)
+#define THREAD_START(threadvar, fn, arg) do {		\
+	uintptr_t threadhandle = _beginthreadex(NULL,0,fn,(arg),0,NULL); \
+	(threadvar) = (HANDLE) threadhandle; \
+	} while (0)
+#define THREAD_JOIN(th) WaitForSingleObject(th, INFINITE)
+#endif
 
-  The <evutil.h> header is deprecated in Libevent 2.0 and later; please
-  use <event2/util.h> instead.
-*/
-
-#include <event2/util.h>
-
-#endif /* _EVUTIL_H_ */
+#endif
diff --git a/test/regress_util.c b/test/regress_util.c
new file mode 100644
index 0000000..ef6a148
--- /dev/null
+++ b/test/regress_util.c
@@ -0,0 +1,1489 @@
+/*
+ * Copyright (c) 2009-2012 Nick Mathewson and Niels Provos
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#include <ws2tcpip.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
+#ifdef EVENT__HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event2/event.h"
+#include "event2/util.h"
+#include "../ipv6-internal.h"
+#include "../log-internal.h"
+#include "../strlcpy-internal.h"
+#include "../mm-internal.h"
+#include "../time-internal.h"
+
+#include "regress.h"
+
+enum entry_status { NORMAL, CANONICAL, BAD };
+
+/* This is a big table of results we expect from generating and parsing */
+static struct ipv4_entry {
+	const char *addr;
+	ev_uint32_t res;
+	enum entry_status status;
+} ipv4_entries[] = {
+	{ "1.2.3.4", 0x01020304u, CANONICAL },
+	{ "255.255.255.255", 0xffffffffu, CANONICAL },
+	{ "256.0.0.0", 0, BAD },
+	{ "ABC", 0, BAD },
+	{ "1.2.3.4.5", 0, BAD },
+	{ "176.192.208.244", 0xb0c0d0f4, CANONICAL },
+	{ NULL, 0, BAD },
+};
+
+static struct ipv6_entry {
+	const char *addr;
+	ev_uint32_t res[4];
+	enum entry_status status;
+} ipv6_entries[] = {
+	{ "::", { 0, 0, 0, 0, }, CANONICAL },
+	{ "0:0:0:0:0:0:0:0", { 0, 0, 0, 0, }, NORMAL },
+	{ "::1", { 0, 0, 0, 1, }, CANONICAL },
+	{ "::1.2.3.4", { 0, 0, 0, 0x01020304, }, CANONICAL },
+	{ "ffff:1::", { 0xffff0001u, 0, 0, 0, }, CANONICAL },
+	{ "ffff:0000::", { 0xffff0000u, 0, 0, 0, }, NORMAL },
+	{ "ffff::1234", { 0xffff0000u, 0, 0, 0x1234, }, CANONICAL },
+	{ "0102::1.2.3.4", {0x01020000u, 0, 0, 0x01020304u }, NORMAL },
+	{ "::9:c0a8:1:1", { 0, 0, 0x0009c0a8u, 0x00010001u }, CANONICAL },
+	{ "::ffff:1.2.3.4", { 0, 0, 0x000ffffu, 0x01020304u }, CANONICAL },
+	{ "FFFF::", { 0xffff0000u, 0, 0, 0 }, NORMAL },
+	{ "foobar.", { 0, 0, 0, 0 }, BAD },
+	{ "foobar", { 0, 0, 0, 0 }, BAD },
+	{ "fo:obar", { 0, 0, 0, 0 }, BAD },
+	{ "ffff", { 0, 0, 0, 0 }, BAD },
+	{ "fffff::", { 0, 0, 0, 0 }, BAD },
+	{ "fffff::", { 0, 0, 0, 0 }, BAD },
+	{ "::1.0.1.1000", { 0, 0, 0, 0 }, BAD },
+	{ "1:2:33333:4::", { 0, 0, 0, 0 }, BAD },
+	{ "1:2:3:4:5:6:7:8:9", { 0, 0, 0, 0 }, BAD },
+	{ "1::2::3", { 0, 0, 0, 0 }, BAD },
+	{ ":::1", { 0, 0, 0, 0 }, BAD },
+	{ NULL, { 0, 0, 0, 0,  }, BAD },
+};
+
+static void
+regress_ipv4_parse(void *ptr)
+{
+	int i;
+	for (i = 0; ipv4_entries[i].addr; ++i) {
+		char written[128];
+		struct ipv4_entry *ent = &ipv4_entries[i];
+		struct in_addr in;
+		int r;
+		r = evutil_inet_pton(AF_INET, ent->addr, &in);
+		if (r == 0) {
+			if (ent->status != BAD) {
+				TT_FAIL(("%s did not parse, but it's a good address!",
+					ent->addr));
+			}
+			continue;
+		}
+		if (ent->status == BAD) {
+			TT_FAIL(("%s parsed, but we expected an error", ent->addr));
+			continue;
+		}
+		if (ntohl(in.s_addr) != ent->res) {
+			TT_FAIL(("%s parsed to %lx, but we expected %lx", ent->addr,
+				(unsigned long)ntohl(in.s_addr),
+				(unsigned long)ent->res));
+			continue;
+		}
+		if (ent->status == CANONICAL) {
+			const char *w = evutil_inet_ntop(AF_INET, &in, written,
+											 sizeof(written));
+			if (!w) {
+				TT_FAIL(("Tried to write out %s; got NULL.", ent->addr));
+				continue;
+			}
+			if (strcmp(written, ent->addr)) {
+				TT_FAIL(("Tried to write out %s; got %s",
+					ent->addr, written));
+				continue;
+			}
+		}
+
+	}
+
+}
+
+static void
+regress_ipv6_parse(void *ptr)
+{
+#ifdef AF_INET6
+	int i, j;
+
+	for (i = 0; ipv6_entries[i].addr; ++i) {
+		char written[128];
+		struct ipv6_entry *ent = &ipv6_entries[i];
+		struct in6_addr in6;
+		int r;
+		r = evutil_inet_pton(AF_INET6, ent->addr, &in6);
+		if (r == 0) {
+			if (ent->status != BAD)
+				TT_FAIL(("%s did not parse, but it's a good address!",
+					ent->addr));
+			continue;
+		}
+		if (ent->status == BAD) {
+			TT_FAIL(("%s parsed, but we expected an error", ent->addr));
+			continue;
+		}
+		for (j = 0; j < 4; ++j) {
+			/* Can't use s6_addr32 here; some don't have it. */
+			ev_uint32_t u =
+			    ((ev_uint32_t)in6.s6_addr[j*4  ] << 24) |
+			    ((ev_uint32_t)in6.s6_addr[j*4+1] << 16) |
+			    ((ev_uint32_t)in6.s6_addr[j*4+2] << 8) |
+			    ((ev_uint32_t)in6.s6_addr[j*4+3]);
+			if (u != ent->res[j]) {
+				TT_FAIL(("%s did not parse as expected.", ent->addr));
+				continue;
+			}
+		}
+		if (ent->status == CANONICAL) {
+			const char *w = evutil_inet_ntop(AF_INET6, &in6, written,
+											 sizeof(written));
+			if (!w) {
+				TT_FAIL(("Tried to write out %s; got NULL.", ent->addr));
+				continue;
+			}
+			if (strcmp(written, ent->addr)) {
+				TT_FAIL(("Tried to write out %s; got %s", ent->addr, written));
+				continue;
+			}
+		}
+
+	}
+#else
+	TT_BLATHER(("Skipping IPv6 address parsing."));
+#endif
+}
+
+static struct sa_port_ent {
+	const char *parse;
+	int safamily;
+	const char *addr;
+	int port;
+} sa_port_ents[] = {
+	{ "[ffff::1]:1000", AF_INET6, "ffff::1", 1000 },
+	{ "[ffff::1]", AF_INET6, "ffff::1", 0 },
+	{ "[ffff::1", 0, NULL, 0 },
+	{ "[ffff::1]:65599", 0, NULL, 0 },
+	{ "[ffff::1]:0", 0, NULL, 0 },
+	{ "[ffff::1]:-1", 0, NULL, 0 },
+	{ "::1", AF_INET6, "::1", 0 },
+	{ "1:2::1", AF_INET6, "1:2::1", 0 },
+	{ "192.168.0.1:50", AF_INET, "192.168.0.1", 50 },
+	{ "1.2.3.4", AF_INET, "1.2.3.4", 0 },
+	{ NULL, 0, NULL, 0 },
+};
+
+static void
+regress_sockaddr_port_parse(void *ptr)
+{
+	struct sockaddr_storage ss;
+	int i, r;
+
+	for (i = 0; sa_port_ents[i].parse; ++i) {
+		struct sa_port_ent *ent = &sa_port_ents[i];
+		int len = sizeof(ss);
+		memset(&ss, 0, sizeof(ss));
+		r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len);
+		if (r < 0) {
+			if (ent->safamily)
+				TT_FAIL(("Couldn't parse %s!", ent->parse));
+			continue;
+		} else if (! ent->safamily) {
+			TT_FAIL(("Shouldn't have been able to parse %s!", ent->parse));
+			continue;
+		}
+		if (ent->safamily == AF_INET) {
+			struct sockaddr_in sin;
+			memset(&sin, 0, sizeof(sin));
+#ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+			sin.sin_len = sizeof(sin);
+#endif
+			sin.sin_family = AF_INET;
+			sin.sin_port = htons(ent->port);
+			r = evutil_inet_pton(AF_INET, ent->addr, &sin.sin_addr);
+			if (1 != r) {
+				TT_FAIL(("Couldn't parse ipv4 target %s.", ent->addr));
+			} else if (memcmp(&sin, &ss, sizeof(sin))) {
+				TT_FAIL(("Parse for %s was not as expected.", ent->parse));
+			} else if (len != sizeof(sin)) {
+				TT_FAIL(("Length for %s not as expected.",ent->parse));
+			}
+		} else {
+			struct sockaddr_in6 sin6;
+			memset(&sin6, 0, sizeof(sin6));
+#ifdef EVENT__HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
+			sin6.sin6_len = sizeof(sin6);
+#endif
+			sin6.sin6_family = AF_INET6;
+			sin6.sin6_port = htons(ent->port);
+			r = evutil_inet_pton(AF_INET6, ent->addr, &sin6.sin6_addr);
+			if (1 != r) {
+				TT_FAIL(("Couldn't parse ipv6 target %s.", ent->addr));
+			} else if (memcmp(&sin6, &ss, sizeof(sin6))) {
+				TT_FAIL(("Parse for %s was not as expected.", ent->parse));
+			} else if (len != sizeof(sin6)) {
+				TT_FAIL(("Length for %s not as expected.",ent->parse));
+			}
+		}
+	}
+}
+
+
+static void
+regress_sockaddr_port_format(void *ptr)
+{
+	struct sockaddr_storage ss;
+	int len;
+	const char *cp;
+	char cbuf[128];
+	int r;
+
+	len = sizeof(ss);
+	r = evutil_parse_sockaddr_port("192.168.1.1:80",
+	    (struct sockaddr*)&ss, &len);
+	tt_int_op(r,==,0);
+	cp = evutil_format_sockaddr_port_(
+		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
+	tt_ptr_op(cp,==,cbuf);
+	tt_str_op(cp,==,"192.168.1.1:80");
+
+	len = sizeof(ss);
+	r = evutil_parse_sockaddr_port("[ff00::8010]:999",
+	    (struct sockaddr*)&ss, &len);
+	tt_int_op(r,==,0);
+	cp = evutil_format_sockaddr_port_(
+		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
+	tt_ptr_op(cp,==,cbuf);
+	tt_str_op(cp,==,"[ff00::8010]:999");
+
+	ss.ss_family=99;
+	cp = evutil_format_sockaddr_port_(
+		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
+	tt_ptr_op(cp,==,cbuf);
+	tt_str_op(cp,==,"<addr with socktype 99>");
+end:
+	;
+}
+
+static struct sa_pred_ent {
+	const char *parse;
+
+	int is_loopback;
+} sa_pred_entries[] = {
+	{ "127.0.0.1",	 1 },
+	{ "127.0.3.2",	 1 },
+	{ "128.1.2.3",	 0 },
+	{ "18.0.0.1",	 0 },
+	{ "129.168.1.1", 0 },
+
+	{ "::1",	 1 },
+	{ "::0",	 0 },
+	{ "f::1",	 0 },
+	{ "::501",	 0 },
+	{ NULL,		 0 },
+
+};
+
+static void
+test_evutil_sockaddr_predicates(void *ptr)
+{
+	struct sockaddr_storage ss;
+	int r, i;
+
+	for (i=0; sa_pred_entries[i].parse; ++i) {
+		struct sa_pred_ent *ent = &sa_pred_entries[i];
+		int len = sizeof(ss);
+
+		r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len);
+
+		if (r<0) {
+			TT_FAIL(("Couldn't parse %s!", ent->parse));
+			continue;
+		}
+
+		/* sockaddr_is_loopback */
+		if (ent->is_loopback != evutil_sockaddr_is_loopback_((struct sockaddr*)&ss)) {
+			TT_FAIL(("evutil_sockaddr_loopback(%s) not as expected",
+				ent->parse));
+		}
+	}
+}
+
+static void
+test_evutil_strtoll(void *ptr)
+{
+	const char *s;
+	char *endptr;
+
+	tt_want(evutil_strtoll("5000000000", NULL, 10) ==
+		((ev_int64_t)5000000)*1000);
+	tt_want(evutil_strtoll("-5000000000", NULL, 10) ==
+		((ev_int64_t)5000000)*-1000);
+	s = " 99999stuff";
+	tt_want(evutil_strtoll(s, &endptr, 10) == (ev_int64_t)99999);
+	tt_want(endptr == s+6);
+	tt_want(evutil_strtoll("foo", NULL, 10) == 0);
+ }
+
+static void
+test_evutil_snprintf(void *ptr)
+{
+	char buf[16];
+	int r;
+	ev_uint64_t u64 = ((ev_uint64_t)1000000000)*200;
+	ev_int64_t i64 = -1 * (ev_int64_t) u64;
+	size_t size = 8000;
+	ev_ssize_t ssize = -9000;
+
+	r = evutil_snprintf(buf, sizeof(buf), "%d %d", 50, 100);
+	tt_str_op(buf, ==, "50 100");
+	tt_int_op(r, ==, 6);
+
+	r = evutil_snprintf(buf, sizeof(buf), "longish %d", 1234567890);
+	tt_str_op(buf, ==, "longish 1234567");
+	tt_int_op(r, ==, 18);
+
+	r = evutil_snprintf(buf, sizeof(buf), EV_U64_FMT, EV_U64_ARG(u64));
+	tt_str_op(buf, ==, "200000000000");
+	tt_int_op(r, ==, 12);
+
+	r = evutil_snprintf(buf, sizeof(buf), EV_I64_FMT, EV_I64_ARG(i64));
+	tt_str_op(buf, ==, "-200000000000");
+	tt_int_op(r, ==, 13);
+
+	r = evutil_snprintf(buf, sizeof(buf), EV_SIZE_FMT" "EV_SSIZE_FMT,
+	    EV_SIZE_ARG(size), EV_SSIZE_ARG(ssize));
+	tt_str_op(buf, ==, "8000 -9000");
+	tt_int_op(r, ==, 10);
+
+      end:
+	;
+}
+
+static void
+test_evutil_casecmp(void *ptr)
+{
+	tt_int_op(evutil_ascii_strcasecmp("ABC", "ABC"), ==, 0);
+	tt_int_op(evutil_ascii_strcasecmp("ABC", "abc"), ==, 0);
+	tt_int_op(evutil_ascii_strcasecmp("ABC", "abcd"), <, 0);
+	tt_int_op(evutil_ascii_strcasecmp("ABC", "abb"), >, 0);
+	tt_int_op(evutil_ascii_strcasecmp("ABCd", "abc"), >, 0);
+
+	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 100), ==, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 4), ==, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEXXXX", 4), ==, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibE", 4), ==, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Libe", "LibEvEnT", 4), ==, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Lib", "LibEvEnT", 4), <, 0);
+	tt_int_op(evutil_ascii_strncasecmp("abc", "def", 99), <, 0);
+	tt_int_op(evutil_ascii_strncasecmp("Z", "qrst", 1), >, 0);
+end:
+	;
+}
+
+static void
+test_evutil_rtrim(void *ptr)
+{
+#define TEST_TRIM(s, result) \
+	do {						\
+	    if (cp) mm_free(cp);			\
+	    cp = mm_strdup(s);				\
+	    tt_assert(cp);				\
+	    evutil_rtrim_lws_(cp);			\
+	    tt_str_op(cp, ==, result);			\
+	} while(0)
+
+	char *cp = NULL;
+	(void) ptr;
+
+	TEST_TRIM("", "");
+	TEST_TRIM("a", "a");
+	TEST_TRIM("abcdef ghi", "abcdef ghi");
+
+	TEST_TRIM(" ", "");
+	TEST_TRIM("  ", "");
+	TEST_TRIM("a ", "a");
+	TEST_TRIM("abcdef  gH       ", "abcdef  gH");
+
+	TEST_TRIM("\t\t", "");
+	TEST_TRIM(" \t", "");
+	TEST_TRIM("\t", "");
+	TEST_TRIM("a \t", "a");
+	TEST_TRIM("a\t ", "a");
+	TEST_TRIM("a\t", "a");
+	TEST_TRIM("abcdef  gH    \t  ", "abcdef  gH");
+
+end:
+	if (cp)
+		mm_free(cp);
+}
+
+static int logsev = 0;
+static char *logmsg = NULL;
+
+static void
+logfn(int severity, const char *msg)
+{
+	logsev = severity;
+	tt_want(msg);
+	if (msg) {
+		if (logmsg)
+			free(logmsg);
+		logmsg = strdup(msg);
+	}
+}
+
+static int fatal_want_severity = 0;
+static const char *fatal_want_message = NULL;
+static void
+fatalfn(int exitcode)
+{
+	if (logsev != fatal_want_severity ||
+	    !logmsg ||
+	    strcmp(logmsg, fatal_want_message))
+		exit(0);
+	else
+		exit(exitcode);
+}
+
+#ifndef _WIN32
+#define CAN_CHECK_ERR
+static void
+check_error_logging(void (*fn)(void), int wantexitcode,
+    int wantseverity, const char *wantmsg)
+{
+	pid_t pid;
+	int status = 0, exitcode;
+	fatal_want_severity = wantseverity;
+	fatal_want_message = wantmsg;
+	if ((pid = regress_fork()) == 0) {
+		/* child process */
+		fn();
+		exit(0); /* should be unreachable. */
+	} else {
+		wait(&status);
+		exitcode = WEXITSTATUS(status);
+		tt_int_op(wantexitcode, ==, exitcode);
+	}
+end:
+	;
+}
+
+static void
+errx_fn(void)
+{
+	event_errx(2, "Fatal error; too many kumquats (%d)", 5);
+}
+
+static void
+err_fn(void)
+{
+	errno = ENOENT;
+	event_err(5,"Couldn't open %s", "/very/bad/file");
+}
+
+static void
+sock_err_fn(void)
+{
+	evutil_socket_t fd = socket(AF_INET, SOCK_STREAM, 0);
+#ifdef _WIN32
+	EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK);
+#else
+	errno = EAGAIN;
+#endif
+	event_sock_err(20, fd, "Unhappy socket");
+}
+#endif
+
+static void
+test_evutil_log(void *ptr)
+{
+	evutil_socket_t fd = -1;
+	char buf[128];
+
+	event_set_log_callback(logfn);
+	event_set_fatal_callback(fatalfn);
+#define RESET() do {				\
+		logsev = 0;	\
+		if (logmsg) free(logmsg);	\
+		logmsg = NULL;			\
+	} while (0)
+#define LOGEQ(sev,msg) do {			\
+		tt_int_op(logsev,==,sev);	\
+		tt_assert(logmsg != NULL);	\
+		tt_str_op(logmsg,==,msg);	\
+	} while (0)
+
+#ifdef CAN_CHECK_ERR
+	/* We need to disable these tests for now.  Previously, the logging
+	 * module didn't enforce the requirement that a fatal callback
+	 * actually exit.  Now, it exits no matter what, so if we wan to
+	 * reinstate these tests, we'll need to fork for each one. */
+	check_error_logging(errx_fn, 2, EVENT_LOG_ERR,
+	    "Fatal error; too many kumquats (5)");
+	RESET();
+#endif
+
+	event_warnx("Far too many %s (%d)", "wombats", 99);
+	LOGEQ(EVENT_LOG_WARN, "Far too many wombats (99)");
+	RESET();
+
+	event_msgx("Connecting lime to coconut");
+	LOGEQ(EVENT_LOG_MSG, "Connecting lime to coconut");
+	RESET();
+
+	event_debug(("A millisecond passed! We should log that!"));
+#ifdef USE_DEBUG
+	LOGEQ(EVENT_LOG_DEBUG, "A millisecond passed! We should log that!");
+#else
+	tt_int_op(logsev,==,0);
+	tt_ptr_op(logmsg,==,NULL);
+#endif
+	RESET();
+
+	/* Try with an errno. */
+	errno = ENOENT;
+	event_warn("Couldn't open %s", "/bad/file");
+	evutil_snprintf(buf, sizeof(buf),
+	    "Couldn't open /bad/file: %s",strerror(ENOENT));
+	LOGEQ(EVENT_LOG_WARN,buf);
+	RESET();
+
+#ifdef CAN_CHECK_ERR
+	evutil_snprintf(buf, sizeof(buf),
+	    "Couldn't open /very/bad/file: %s",strerror(ENOENT));
+	check_error_logging(err_fn, 5, EVENT_LOG_ERR, buf);
+	RESET();
+#endif
+
+	/* Try with a socket errno. */
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+#ifdef _WIN32
+	evutil_snprintf(buf, sizeof(buf),
+	    "Unhappy socket: %s",
+	    evutil_socket_error_to_string(WSAEWOULDBLOCK));
+	EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK);
+#else
+	evutil_snprintf(buf, sizeof(buf),
+	    "Unhappy socket: %s", strerror(EAGAIN));
+	errno = EAGAIN;
+#endif
+	event_sock_warn(fd, "Unhappy socket");
+	LOGEQ(EVENT_LOG_WARN, buf);
+	RESET();
+
+#ifdef CAN_CHECK_ERR
+	check_error_logging(sock_err_fn, 20, EVENT_LOG_ERR, buf);
+	RESET();
+#endif
+
+#undef RESET
+#undef LOGEQ
+end:
+	if (logmsg)
+		free(logmsg);
+	if (fd >= 0)
+		evutil_closesocket(fd);
+}
+
+static void
+test_evutil_strlcpy(void *arg)
+{
+	char buf[8];
+
+	/* Successful case. */
+	tt_int_op(5, ==, strlcpy(buf, "Hello", sizeof(buf)));
+	tt_str_op(buf, ==, "Hello");
+
+	/* Overflow by a lot. */
+	tt_int_op(13, ==, strlcpy(buf, "pentasyllabic", sizeof(buf)));
+	tt_str_op(buf, ==, "pentasy");
+
+	/* Overflow by exactly one. */
+	tt_int_op(8, ==, strlcpy(buf, "overlong", sizeof(buf)));
+	tt_str_op(buf, ==, "overlon");
+end:
+	;
+}
+
+struct example_struct {
+	const char *a;
+	const char *b;
+	long c;
+};
+
+static void
+test_evutil_upcast(void *arg)
+{
+	struct example_struct es1;
+	const char **cp;
+	es1.a = "World";
+	es1.b = "Hello";
+	es1.c = -99;
+
+	tt_int_op(evutil_offsetof(struct example_struct, b), ==, sizeof(char*));
+
+	cp = &es1.b;
+	tt_ptr_op(EVUTIL_UPCAST(cp, struct example_struct, b), ==, &es1);
+
+end:
+	;
+}
+
+static void
+test_evutil_integers(void *arg)
+{
+	ev_int64_t i64;
+	ev_uint64_t u64;
+	ev_int32_t i32;
+	ev_uint32_t u32;
+	ev_int16_t i16;
+	ev_uint16_t u16;
+	ev_int8_t  i8;
+	ev_uint8_t  u8;
+
+	void *ptr;
+	ev_intptr_t iptr;
+	ev_uintptr_t uptr;
+
+	ev_ssize_t ssize;
+
+	tt_int_op(sizeof(u64), ==, 8);
+	tt_int_op(sizeof(i64), ==, 8);
+	tt_int_op(sizeof(u32), ==, 4);
+	tt_int_op(sizeof(i32), ==, 4);
+	tt_int_op(sizeof(u16), ==, 2);
+	tt_int_op(sizeof(i16), ==, 2);
+	tt_int_op(sizeof(u8), ==,  1);
+	tt_int_op(sizeof(i8), ==,  1);
+
+	tt_int_op(sizeof(ev_ssize_t), ==, sizeof(size_t));
+	tt_int_op(sizeof(ev_intptr_t), >=, sizeof(void *));
+	tt_int_op(sizeof(ev_uintptr_t), ==, sizeof(intptr_t));
+
+	u64 = 1000000000;
+	u64 *= 1000000000;
+	tt_assert(u64 / 1000000000 == 1000000000);
+	i64 = -1000000000;
+	i64 *= 1000000000;
+	tt_assert(i64 / 1000000000 == -1000000000);
+
+	u64 = EV_UINT64_MAX;
+	i64 = EV_INT64_MAX;
+	tt_assert(u64 > 0);
+	tt_assert(i64 > 0);
+	u64++;
+/*	i64++; */
+	tt_assert(u64 == 0);
+/*	tt_assert(i64 == EV_INT64_MIN); */
+/*	tt_assert(i64 < 0); */
+
+	u32 = EV_UINT32_MAX;
+	i32 = EV_INT32_MAX;
+	tt_assert(u32 > 0);
+	tt_assert(i32 > 0);
+	u32++;
+/*	i32++; */
+	tt_assert(u32 == 0);
+/*	tt_assert(i32 == EV_INT32_MIN); */
+/*	tt_assert(i32 < 0); */
+
+	u16 = EV_UINT16_MAX;
+	i16 = EV_INT16_MAX;
+	tt_assert(u16 > 0);
+	tt_assert(i16 > 0);
+	u16++;
+/*	i16++; */
+	tt_assert(u16 == 0);
+/*	tt_assert(i16 == EV_INT16_MIN); */
+/* 	tt_assert(i16 < 0); */
+
+	u8 = EV_UINT8_MAX;
+	i8 = EV_INT8_MAX;
+	tt_assert(u8 > 0);
+	tt_assert(i8 > 0);
+	u8++;
+/*	i8++;*/
+	tt_assert(u8 == 0);
+/*	tt_assert(i8 == EV_INT8_MIN); */
+/*	tt_assert(i8 < 0); */
+
+/*
+	ssize = EV_SSIZE_MAX;
+	tt_assert(ssize > 0);
+	ssize++;
+	tt_assert(ssize < 0);
+	tt_assert(ssize == EV_SSIZE_MIN);
+*/
+
+	ptr = &ssize;
+	iptr = (ev_intptr_t)ptr;
+	uptr = (ev_uintptr_t)ptr;
+	ptr = (void *)iptr;
+	tt_assert(ptr == &ssize);
+	ptr = (void *)uptr;
+	tt_assert(ptr == &ssize);
+
+	iptr = -1;
+	tt_assert(iptr < 0);
+end:
+	;
+}
+
+struct evutil_addrinfo *
+ai_find_by_family(struct evutil_addrinfo *ai, int family)
+{
+	while (ai) {
+		if (ai->ai_family == family)
+			return ai;
+		ai = ai->ai_next;
+	}
+	return NULL;
+}
+
+struct evutil_addrinfo *
+ai_find_by_protocol(struct evutil_addrinfo *ai, int protocol)
+{
+	while (ai) {
+		if (ai->ai_protocol == protocol)
+			return ai;
+		ai = ai->ai_next;
+	}
+	return NULL;
+}
+
+
+int
+test_ai_eq_(const struct evutil_addrinfo *ai, const char *sockaddr_port,
+    int socktype, int protocol, int line)
+{
+	struct sockaddr_storage ss;
+	int slen = sizeof(ss);
+	int gotport;
+	char buf[128];
+	memset(&ss, 0, sizeof(ss));
+	if (socktype > 0)
+		tt_int_op(ai->ai_socktype, ==, socktype);
+	if (protocol > 0)
+		tt_int_op(ai->ai_protocol, ==, protocol);
+
+	if (evutil_parse_sockaddr_port(
+		    sockaddr_port, (struct sockaddr*)&ss, &slen)<0) {
+		TT_FAIL(("Couldn't parse expected address %s on line %d",
+			sockaddr_port, line));
+		return -1;
+	}
+	if (ai->ai_family != ss.ss_family) {
+		TT_FAIL(("Address family %d did not match %d on line %d",
+			ai->ai_family, ss.ss_family, line));
+		return -1;
+	}
+	if (ai->ai_addr->sa_family == AF_INET) {
+		struct sockaddr_in *sin = (struct sockaddr_in*)ai->ai_addr;
+		evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
+		gotport = ntohs(sin->sin_port);
+		if (ai->ai_addrlen != sizeof(struct sockaddr_in)) {
+			TT_FAIL(("Addr size mismatch on line %d", line));
+			return -1;
+		}
+	} else {
+		struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)ai->ai_addr;
+		evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf, sizeof(buf));
+		gotport = ntohs(sin6->sin6_port);
+		if (ai->ai_addrlen != sizeof(struct sockaddr_in6)) {
+			TT_FAIL(("Addr size mismatch on line %d", line));
+			return -1;
+		}
+	}
+	if (evutil_sockaddr_cmp(ai->ai_addr, (struct sockaddr*)&ss, 1)) {
+		TT_FAIL(("Wanted %s, got %s:%d on line %d", sockaddr_port,
+			buf, gotport, line));
+		return -1;
+	} else {
+		TT_BLATHER(("Wanted %s, got %s:%d on line %d", sockaddr_port,
+			buf, gotport, line));
+	}
+	return 0;
+end:
+	TT_FAIL(("Test failed on line %d", line));
+	return -1;
+}
+
+static void
+test_evutil_rand(void *arg)
+{
+	char buf1[32];
+	char buf2[32];
+	int counts[256];
+	int i, j, k, n=0;
+	struct evutil_weakrand_state seed = { 12346789U };
+
+	memset(buf2, 0, sizeof(buf2));
+	memset(counts, 0, sizeof(counts));
+
+	for (k=0;k<32;++k) {
+		/* Try a few different start and end points; try to catch
+		 * the various misaligned cases of arc4random_buf */
+		int startpoint = evutil_weakrand_(&seed) % 4;
+		int endpoint = 32 - (evutil_weakrand_(&seed) % 4);
+
+		memset(buf2, 0, sizeof(buf2));
+
+		/* Do 6 runs over buf1, or-ing the result into buf2 each
+		 * time, to make sure we're setting each byte that we mean
+		 * to set. */
+		for (i=0;i<8;++i) {
+			memset(buf1, 0, sizeof(buf1));
+			evutil_secure_rng_get_bytes(buf1 + startpoint,
+			    endpoint-startpoint);
+			n += endpoint - startpoint;
+			for (j=0; j<32; ++j) {
+				if (j >= startpoint && j < endpoint) {
+					buf2[j] |= buf1[j];
+					++counts[(unsigned char)buf1[j]];
+				} else {
+					tt_assert(buf1[j] == 0);
+					tt_int_op(buf1[j], ==, 0);
+
+				}
+			}
+		}
+
+		/* This will give a false positive with P=(256**8)==(2**64)
+		 * for each character. */
+		for (j=startpoint;j<endpoint;++j) {
+			tt_int_op(buf2[j], !=, 0);
+		}
+	}
+
+	evutil_weakrand_seed_(&seed, 0);
+	for (i = 0; i < 10000; ++i) {
+		ev_int32_t r = evutil_weakrand_range_(&seed, 9999);
+		tt_int_op(0, <=, r);
+		tt_int_op(r, <, 9999);
+	}
+
+	/* for (i=0;i<256;++i) { printf("%3d %2d\n", i, counts[i]); } */
+end:
+	;
+}
+
+static void
+test_evutil_getaddrinfo(void *arg)
+{
+	struct evutil_addrinfo *ai = NULL, *a;
+	struct evutil_addrinfo hints;
+	int r;
+
+	/* Try using it as a pton. */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evutil_getaddrinfo("1.2.3.4", "8080", &hints, &ai);
+	tt_int_op(r, ==, 0);
+	tt_assert(ai);
+	tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */
+	test_ai_eq(ai, "1.2.3.4:8080", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_protocol = IPPROTO_UDP;
+	r = evutil_getaddrinfo("1001:b0b::f00f", "4321", &hints, &ai);
+	tt_int_op(r, ==, 0);
+	tt_assert(ai);
+	tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */
+	test_ai_eq(ai, "[1001:b0b::f00f]:4321", SOCK_DGRAM, IPPROTO_UDP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	/* Try out the behavior of nodename=NULL */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_INET;
+	hints.ai_protocol = IPPROTO_TCP;
+	hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind */
+	r = evutil_getaddrinfo(NULL, "9999", &hints, &ai);
+	tt_int_op(r,==,0);
+	tt_assert(ai);
+	tt_ptr_op(ai->ai_next, ==, NULL);
+	test_ai_eq(ai, "0.0.0.0:9999", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+	hints.ai_flags = 0; /* as if for connect */
+	r = evutil_getaddrinfo(NULL, "9998", &hints, &ai);
+	tt_assert(ai);
+	tt_int_op(r,==,0);
+	test_ai_eq(ai, "127.0.0.1:9998", SOCK_STREAM, IPPROTO_TCP);
+	tt_ptr_op(ai->ai_next, ==, NULL);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	hints.ai_flags = 0; /* as if for connect */
+	hints.ai_family = PF_INET6;
+	r = evutil_getaddrinfo(NULL, "9997", &hints, &ai);
+	tt_assert(ai);
+	tt_int_op(r,==,0);
+	tt_ptr_op(ai->ai_next, ==, NULL);
+	test_ai_eq(ai, "[::1]:9997", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind. */
+	hints.ai_family = PF_INET6;
+	r = evutil_getaddrinfo(NULL, "9996", &hints, &ai);
+	tt_assert(ai);
+	tt_int_op(r,==,0);
+	tt_ptr_op(ai->ai_next, ==, NULL);
+	test_ai_eq(ai, "[::]:9996", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	/* Now try an unspec one. We should get a v6 and a v4. */
+	hints.ai_family = PF_UNSPEC;
+	r = evutil_getaddrinfo(NULL, "9996", &hints, &ai);
+	tt_assert(ai);
+	tt_int_op(r,==,0);
+	a = ai_find_by_family(ai, PF_INET6);
+	tt_assert(a);
+	test_ai_eq(a, "[::]:9996", SOCK_STREAM, IPPROTO_TCP);
+	a = ai_find_by_family(ai, PF_INET);
+	tt_assert(a);
+	test_ai_eq(a, "0.0.0.0:9996", SOCK_STREAM, IPPROTO_TCP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	/* Try out AI_NUMERICHOST: successful case.  Also try
+	 * multiprotocol. */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_flags = EVUTIL_AI_NUMERICHOST;
+	r = evutil_getaddrinfo("1.2.3.4", NULL, &hints, &ai);
+	tt_int_op(r, ==, 0);
+	a = ai_find_by_protocol(ai, IPPROTO_TCP);
+	tt_assert(a);
+	test_ai_eq(a, "1.2.3.4", SOCK_STREAM, IPPROTO_TCP);
+	a = ai_find_by_protocol(ai, IPPROTO_UDP);
+	tt_assert(a);
+	test_ai_eq(a, "1.2.3.4", SOCK_DGRAM, IPPROTO_UDP);
+	evutil_freeaddrinfo(ai);
+	ai = NULL;
+
+	/* Try the failing case of AI_NUMERICHOST */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_flags = EVUTIL_AI_NUMERICHOST;
+	r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai);
+	tt_int_op(r, ==, EVUTIL_EAI_NONAME);
+	tt_ptr_op(ai, ==, NULL);
+
+	/* Try symbolic service names wit AI_NUMERICSERV */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = EVUTIL_AI_NUMERICSERV;
+	r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai);
+	tt_int_op(r,==,EVUTIL_EAI_NONAME);
+
+	/* Try symbolic service names */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai);
+	if (r!=0) {
+		TT_DECLARE("SKIP", ("Symbolic service names seem broken."));
+	} else {
+		tt_assert(ai);
+		test_ai_eq(ai, "1.2.3.4:80", SOCK_STREAM, IPPROTO_TCP);
+		evutil_freeaddrinfo(ai);
+		ai = NULL;
+	}
+
+end:
+	if (ai)
+		evutil_freeaddrinfo(ai);
+}
+
+static void
+test_evutil_getaddrinfo_live(void *arg)
+{
+	struct evutil_addrinfo *ai = NULL;
+	struct evutil_addrinfo hints;
+
+	struct sockaddr_in6 *sin6;
+	struct sockaddr_in *sin;
+	char buf[128];
+	const char *cp;
+	int r;
+
+	/* Now do some actual lookups. */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = PF_INET;
+	hints.ai_protocol = IPPROTO_TCP;
+	hints.ai_socktype = SOCK_STREAM;
+	r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai);
+	if (r != 0) {
+		TT_DECLARE("SKIP", ("Couldn't resolve www.google.com"));
+	} else {
+		tt_assert(ai);
+		tt_int_op(ai->ai_family, ==, PF_INET);
+		tt_int_op(ai->ai_protocol, ==, IPPROTO_TCP);
+		tt_int_op(ai->ai_socktype, ==, SOCK_STREAM);
+		tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in));
+		sin = (struct sockaddr_in*)ai->ai_addr;
+		tt_int_op(sin->sin_family, ==, AF_INET);
+		tt_int_op(sin->sin_port, ==, htons(80));
+		tt_int_op(sin->sin_addr.s_addr, !=, 0xffffffff);
+
+		cp = evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
+		TT_BLATHER(("www.google.com resolved to %s",
+			cp?cp:"<unwriteable>"));
+		evutil_freeaddrinfo(ai);
+		ai = NULL;
+	}
+
+	hints.ai_family = PF_INET6;
+	r = evutil_getaddrinfo("ipv6.google.com", "80", &hints, &ai);
+	if (r != 0) {
+		TT_BLATHER(("Couldn't do an ipv6 lookup for ipv6.google.com"));
+	} else {
+		tt_assert(ai);
+		tt_int_op(ai->ai_family, ==, PF_INET6);
+		tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in6));
+		sin6 = (struct sockaddr_in6*)ai->ai_addr;
+		tt_int_op(sin6->sin6_port, ==, htons(80));
+
+		cp = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
+		    sizeof(buf));
+		TT_BLATHER(("ipv6.google.com resolved to %s",
+			cp?cp:"<unwriteable>"));
+	}
+
+end:
+	if (ai)
+		evutil_freeaddrinfo(ai);
+}
+
+#ifdef _WIN32
+static void
+test_evutil_loadsyslib(void *arg)
+{
+	HMODULE h=NULL;
+
+	h = evutil_load_windows_system_library_(TEXT("kernel32.dll"));
+	tt_assert(h);
+
+end:
+	if (h)
+		CloseHandle(h);
+
+}
+#endif
+
+/** Test mm_malloc(). */
+static void
+test_event_malloc(void *arg)
+{
+	void *p = NULL;
+	(void)arg;
+
+	/* mm_malloc(0) should simply return NULL. */
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+	errno = 0;
+	p = mm_malloc(0);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, 0);
+#endif
+
+	/* Trivial case. */
+	errno = 0;
+	p = mm_malloc(8);
+	tt_assert(p != NULL);
+	tt_int_op(errno, ==, 0);
+	mm_free(p);
+
+ end:
+	errno = 0;
+	return;
+}
+
+static void
+test_event_calloc(void *arg)
+{
+	void *p = NULL;
+	(void)arg;
+
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+	/* mm_calloc() should simply return NULL
+	 * if either argument is zero. */
+	errno = 0;
+	p = mm_calloc(0, 0);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, 0);
+	errno = 0;
+	p = mm_calloc(0, 1);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, 0);
+	errno = 0;
+	p = mm_calloc(1, 0);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, 0);
+#endif
+
+	/* Trivial case. */
+	errno = 0;
+	p = mm_calloc(8, 8);
+	tt_assert(p != NULL);
+	tt_int_op(errno, ==, 0);
+	mm_free(p);
+	p = NULL;
+
+	/* mm_calloc() should set errno = ENOMEM and return NULL
+	 * in case of potential overflow. */
+	errno = 0;
+	p = mm_calloc(EV_SIZE_MAX/2, EV_SIZE_MAX/2 + 8);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, ENOMEM);
+
+ end:
+	errno = 0;
+	if (p)
+		mm_free(p);
+
+	return;
+}
+
+static void
+test_event_strdup(void *arg)
+{
+	void *p = NULL;
+	(void)arg;
+
+#ifndef EVENT__DISABLE_MM_REPLACEMENT
+	/* mm_strdup(NULL) should set errno = EINVAL and return NULL. */
+	errno = 0;
+	p = mm_strdup(NULL);
+	tt_assert(p == NULL);
+	tt_int_op(errno, ==, EINVAL);
+#endif
+
+	/* Trivial cases. */
+
+	errno = 0;
+	p = mm_strdup("");
+	tt_assert(p != NULL);
+	tt_int_op(errno, ==, 0);
+	tt_str_op(p, ==, "");
+	mm_free(p);
+
+	errno = 0;
+	p = mm_strdup("foo");
+	tt_assert(p != NULL);
+	tt_int_op(errno, ==, 0);
+	tt_str_op(p, ==, "foo");
+	mm_free(p);
+
+	/* XXX
+	 * mm_strdup(str) where str is a string of length EV_SIZE_MAX
+	 * should set errno = ENOMEM and return NULL. */
+
+ end:
+	errno = 0;
+	return;
+}
+
+static void
+test_evutil_usleep(void *arg)
+{
+	struct timeval tv1, tv2, tv3, diff1, diff2;
+	const struct timeval quarter_sec = {0, 250*1000};
+	const struct timeval tenth_sec = {0, 100*1000};
+	long usec1, usec2;
+
+	evutil_gettimeofday(&tv1, NULL);
+	evutil_usleep_(&quarter_sec);
+	evutil_gettimeofday(&tv2, NULL);
+	evutil_usleep_(&tenth_sec);
+	evutil_gettimeofday(&tv3, NULL);
+
+	evutil_timersub(&tv2, &tv1, &diff1);
+	evutil_timersub(&tv3, &tv2, &diff2);
+	usec1 = diff1.tv_sec * 1000000 + diff1.tv_usec;
+	usec2 = diff2.tv_sec * 1000000 + diff2.tv_usec;
+
+	tt_int_op(usec1, >, 200000);
+	tt_int_op(usec1, <, 300000);
+	tt_int_op(usec2, >,  80000);
+	tt_int_op(usec2, <, 120000);
+
+end:
+	;
+}
+
+static void
+test_evutil_monotonic_res(void *data_)
+{
+	/* Basic santity-test for monotonic timers.  What we'd really like
+	 * to do is make sure that they can't go backwards even when the
+	 * system clock goes backwards. But we haven't got a good way to
+	 * move the system clock backwards.
+	 */
+	struct basic_test_data *data = data_;
+	struct evutil_monotonic_timer timer;
+	const int precise = strstr(data->setup_data, "precise") != NULL;
+	const int fallback = strstr(data->setup_data, "fallback") != NULL;
+	struct timeval tv[10], delay;
+	int total_diff = 0;
+
+	int flags = 0, wantres, acceptdiff, i;
+	if (precise)
+		flags |= EV_MONOT_PRECISE;
+	if (fallback)
+		flags |= EV_MONOT_FALLBACK;
+	if (precise || fallback) {
+#ifdef _WIN32
+		wantres = 10*1000;
+		acceptdiff = 1000;
+#else
+		wantres = 1000;
+		acceptdiff = 300;
+#endif
+	} else {
+		wantres = 40*1000;
+		acceptdiff = 20*1000;
+	}
+
+	TT_BLATHER(("Precise = %d", precise));
+	TT_BLATHER(("Fallback = %d", fallback));
+
+	/* First, make sure we match up with usleep. */
+
+	delay.tv_sec = 0;
+	delay.tv_usec = wantres;
+
+	tt_int_op(evutil_configure_monotonic_time_(&timer, flags), ==, 0);
+
+	for (i = 0; i < 10; ++i) {
+		evutil_gettime_monotonic_(&timer, &tv[i]);
+		evutil_usleep_(&delay);
+	}
+
+	for (i = 0; i < 9; ++i) {
+		struct timeval diff;
+		tt_assert(evutil_timercmp(&tv[i], &tv[i+1], <));
+		evutil_timersub(&tv[i+1], &tv[i], &diff);
+		tt_int_op(diff.tv_sec, ==, 0);
+		total_diff += diff.tv_usec;
+		TT_BLATHER(("Difference = %d", (int)diff.tv_usec));
+	}
+	tt_int_op(abs(total_diff/9 - wantres), <, acceptdiff);
+
+end:
+	;
+}
+
+static void
+test_evutil_monotonic_prc(void *data_)
+{
+	struct basic_test_data *data = data_;
+	struct evutil_monotonic_timer timer;
+	const int precise = strstr(data->setup_data, "precise") != NULL;
+	const int fallback = strstr(data->setup_data, "fallback") != NULL;
+	struct timeval tv[10];
+	int total_diff = 0;
+	int i, maxstep = 25*1000,flags=0;
+	if (precise)
+		maxstep = 500;
+	if (precise)
+		flags |= EV_MONOT_PRECISE;
+	if (fallback)
+		flags |= EV_MONOT_FALLBACK;
+	tt_int_op(evutil_configure_monotonic_time_(&timer, flags), ==, 0);
+
+	/* find out what precision we actually see. */
+
+	evutil_gettime_monotonic_(&timer, &tv[0]);
+	for (i = 1; i < 10; ++i) {
+		do {
+			evutil_gettime_monotonic_(&timer, &tv[i]);
+		} while (evutil_timercmp(&tv[i-1], &tv[i], ==));
+	}
+
+	total_diff = 0;
+	for (i = 0; i < 9; ++i) {
+		struct timeval diff;
+		tt_assert(evutil_timercmp(&tv[i], &tv[i+1], <));
+		evutil_timersub(&tv[i+1], &tv[i], &diff);
+		tt_int_op(diff.tv_sec, ==, 0);
+		total_diff += diff.tv_usec;
+		TT_BLATHER(("Step difference = %d", (int)diff.tv_usec));
+	}
+	TT_BLATHER(("Average step difference = %d", total_diff / 9));
+	tt_int_op(total_diff/9, <, maxstep);
+
+end:
+	;
+}
+
+static void
+create_tm_from_unix_epoch(struct tm *cur_p, const time_t t)
+{
+#ifdef _WIN32
+	struct tm *tmp = gmtime(&t);
+	if (!tmp) {
+		fprintf(stderr, "gmtime: %s (%i)", strerror(errno), (int)t);
+		exit(1);
+	}
+	*cur_p = *tmp;
+#else
+	gmtime_r(&t, cur_p);
+#endif
+}
+
+static struct date_rfc1123_case {
+	time_t t;
+	char date[30];
+} date_rfc1123_cases[] = {
+	{           0, "Thu, 01 Jan 1970 00:00:00 GMT"} /* UNIX time of zero */,
+	{   946684799, "Fri, 31 Dec 1999 23:59:59 GMT"} /* the last moment of the 20th century */,
+	{   946684800, "Sat, 01 Jan 2000 00:00:00 GMT"} /* the first moment of the 21st century */,
+	{   981072000, "Fri, 02 Feb 2001 00:00:00 GMT"},
+	{  1015113600, "Sun, 03 Mar 2002 00:00:00 GMT"},
+	{  1049414400, "Fri, 04 Apr 2003 00:00:00 GMT"},
+	{  1083715200, "Wed, 05 May 2004 00:00:00 GMT"},
+	{  1118016000, "Mon, 06 Jun 2005 00:00:00 GMT"},
+	{  1152230400, "Fri, 07 Jul 2006 00:00:00 GMT"},
+	{  1186531200, "Wed, 08 Aug 2007 00:00:00 GMT"},
+	{  1220918400, "Tue, 09 Sep 2008 00:00:00 GMT"},
+	{  1255132800, "Sat, 10 Oct 2009 00:00:00 GMT"},
+	{  1289433600, "Thu, 11 Nov 2010 00:00:00 GMT"},
+	{  1323648000, "Mon, 12 Dec 2011 00:00:00 GMT"},
+#ifndef _WIN32
+	/** In win32 case we have max   "23:59:59 January 18, 2038, UTC" for time32 */
+	{  4294967296, "Sun, 07 Feb 2106 06:28:16 GMT"} /* 2^32 */,
+	/** In win32 case we have max "23:59:59, December 31, 3000, UTC" for time64 */
+	{253402300799, "Fri, 31 Dec 9999 23:59:59 GMT"} /* long long future no one can imagine */,
+	{  1456704000, "Mon, 29 Feb 2016 00:00:00 GMT"} /* leap year */,
+#endif
+	{  1435708800, "Wed, 01 Jul 2015 00:00:00 GMT"} /* leap second */,
+	{  1481866376, "Fri, 16 Dec 2016 05:32:56 GMT"} /* the time this test case is generated */,
+	{0, ""} /* end of test cases. */
+};
+
+static void
+test_evutil_date_rfc1123(void *arg)
+{
+	struct tm query;
+	char result[30];
+	size_t i = 0;
+
+	/* Checks if too small buffers are safely accepted. */
+	{
+		create_tm_from_unix_epoch(&query, 0);
+		evutil_date_rfc1123(result, 8, &query);
+		tt_str_op(result, ==, "Thu, 01");
+	}
+
+	/* Checks for testcases. */
+	for (i = 0; ; i++) {
+		struct date_rfc1123_case c = date_rfc1123_cases[i];
+
+		if (strlen(c.date) == 0)
+			break;
+
+		create_tm_from_unix_epoch(&query, c.t);
+		evutil_date_rfc1123(result, sizeof(result), &query);
+		tt_str_op(result, ==, c.date);
+	}
+
+end:
+	;
+}
+
+struct testcase_t util_testcases[] = {
+	{ "ipv4_parse", regress_ipv4_parse, 0, NULL, NULL },
+	{ "ipv6_parse", regress_ipv6_parse, 0, NULL, NULL },
+	{ "sockaddr_port_parse", regress_sockaddr_port_parse, 0, NULL, NULL },
+	{ "sockaddr_port_format", regress_sockaddr_port_format, 0, NULL, NULL },
+	{ "sockaddr_predicates", test_evutil_sockaddr_predicates, 0,NULL,NULL },
+	{ "evutil_snprintf", test_evutil_snprintf, 0, NULL, NULL },
+	{ "evutil_strtoll", test_evutil_strtoll, 0, NULL, NULL },
+	{ "evutil_casecmp", test_evutil_casecmp, 0, NULL, NULL },
+	{ "evutil_rtrim", test_evutil_rtrim, 0, NULL, NULL },
+	{ "strlcpy", test_evutil_strlcpy, 0, NULL, NULL },
+	{ "log", test_evutil_log, TT_FORK, NULL, NULL },
+	{ "upcast", test_evutil_upcast, 0, NULL, NULL },
+	{ "integers", test_evutil_integers, 0, NULL, NULL },
+	{ "rand", test_evutil_rand, TT_FORK, NULL, NULL },
+	{ "getaddrinfo", test_evutil_getaddrinfo, TT_FORK, NULL, NULL },
+	{ "getaddrinfo_live", test_evutil_getaddrinfo_live, TT_FORK|TT_OFF_BY_DEFAULT, NULL, NULL },
+#ifdef _WIN32
+	{ "loadsyslib", test_evutil_loadsyslib, TT_FORK, NULL, NULL },
+#endif
+	{ "mm_malloc", test_event_malloc, 0, NULL, NULL },
+	{ "mm_calloc", test_event_calloc, 0, NULL, NULL },
+	{ "mm_strdup", test_event_strdup, 0, NULL, NULL },
+	{ "usleep", test_evutil_usleep, 0, NULL, NULL },
+	{ "monotonic_res", test_evutil_monotonic_res, 0, &basic_setup, (void*)"" },
+	{ "monotonic_res_precise", test_evutil_monotonic_res, TT_OFF_BY_DEFAULT, &basic_setup, (void*)"precise" },
+	{ "monotonic_res_fallback", test_evutil_monotonic_res, TT_OFF_BY_DEFAULT, &basic_setup, (void*)"fallback" },
+	{ "monotonic_prc", test_evutil_monotonic_prc, 0, &basic_setup, (void*)"" },
+	{ "monotonic_prc_precise", test_evutil_monotonic_prc, 0, &basic_setup, (void*)"precise" },
+	{ "monotonic_prc_fallback", test_evutil_monotonic_prc, 0, &basic_setup, (void*)"fallback" },
+	{ "date_rfc1123", test_evutil_date_rfc1123, 0, NULL, NULL },
+	END_OF_TESTCASES,
+};
+
diff --git a/test/regress_zlib.c b/test/regress_zlib.c
new file mode 100644
index 0000000..5fe7749
--- /dev/null
+++ b/test/regress_zlib.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2008-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* The old tests here need assertions to work. */
+#undef NDEBUG
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "event2/event-config.h"
+
+#include <sys/types.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <assert.h>
+#include <errno.h>
+
+#include "event2/util.h"
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/buffer.h"
+#include "event2/bufferevent.h"
+
+#include "regress.h"
+#include "mm-internal.h"
+
+/* zlib 1.2.4 and 1.2.5 do some "clever" things with macros.  Instead of
+   saying "(defined(FOO) ? FOO : 0)" they like to say "FOO-0", on the theory
+   that nobody will care if the compile outputs a no-such-identifier warning.
+
+   Sorry, but we like -Werror over here, so I guess we need to define these.
+   I hope that zlib 1.2.6 doesn't break these too.
+*/
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE 0
+#endif
+#ifndef _LFS64_LARGEFILE
+#define _LFS64_LARGEFILE 0
+#endif
+#ifndef _FILE_OFFSET_BITS
+#define _FILE_OFFSET_BITS 0
+#endif
+#ifndef off64_t
+#define off64_t ev_int64_t
+#endif
+
+#include <zlib.h>
+
+static int infilter_calls;
+static int outfilter_calls;
+static int readcb_finished;
+static int writecb_finished;
+static int errorcb_invoked;
+
+/*
+ * Zlib filters
+ */
+
+static void
+zlib_deflate_free(void *ctx)
+{
+	z_streamp p = ctx;
+
+	assert(deflateEnd(p) == Z_OK);
+	mm_free(p);
+}
+
+static void
+zlib_inflate_free(void *ctx)
+{
+	z_streamp p = ctx;
+
+	assert(inflateEnd(p) == Z_OK);
+	mm_free(p);
+}
+
+static int
+getstate(enum bufferevent_flush_mode state)
+{
+	switch (state) {
+	case BEV_FINISHED:
+		return Z_FINISH;
+	case BEV_FLUSH:
+		return Z_SYNC_FLUSH;
+	case BEV_NORMAL:
+	default:
+		return Z_NO_FLUSH;
+	}
+}
+
+/*
+ * The input filter is triggered only on new input read from the network.
+ * That means all input data needs to be consumed or the filter needs to
+ * initiate its own triggering via a timeout.
+ */
+static enum bufferevent_filter_result
+zlib_input_filter(struct evbuffer *src, struct evbuffer *dst,
+    ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
+{
+	struct evbuffer_iovec v_in[1];
+	struct evbuffer_iovec v_out[1];
+	int nread, nwrite;
+	int res, n;
+
+	z_streamp p = ctx;
+
+	do {
+		/* let's do some decompression */
+		n = evbuffer_peek(src, -1, NULL, v_in, 1);
+		if (n) {
+			p->avail_in = v_in[0].iov_len;
+			p->next_in = (unsigned char *)v_in[0].iov_base;
+		} else {
+			p->avail_in = 0;
+			p->next_in = 0;
+		}
+
+		evbuffer_reserve_space(dst, 4096, v_out, 1);
+		p->next_out = (unsigned char *)v_out[0].iov_base;
+		p->avail_out = v_out[0].iov_len;
+
+		/* we need to flush zlib if we got a flush */
+		res = inflate(p, getstate(state));
+
+		/* let's figure out how much was compressed */
+		nread = v_in[0].iov_len - p->avail_in;
+		nwrite = v_out[0].iov_len - p->avail_out;
+
+		evbuffer_drain(src, nread);
+		v_out[0].iov_len = nwrite;
+		evbuffer_commit_space(dst, v_out, 1);
+
+		if (res==Z_BUF_ERROR) {
+			/* We're out of space, or out of decodeable input.
+			   Only if nwrite == 0 assume the latter.
+			 */
+			if (nwrite == 0)
+				return BEV_NEED_MORE;
+		} else {
+			assert(res == Z_OK || res == Z_STREAM_END);
+		}
+
+	} while (evbuffer_get_length(src) > 0);
+
+	++infilter_calls;
+
+	return (BEV_OK);
+}
+
+static enum bufferevent_filter_result
+zlib_output_filter(struct evbuffer *src, struct evbuffer *dst,
+    ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
+{
+	struct evbuffer_iovec v_in[1];
+	struct evbuffer_iovec v_out[1];
+	int nread, nwrite;
+	int res, n;
+
+	z_streamp p = ctx;
+
+	do {
+		/* let's do some compression */
+		n = evbuffer_peek(src, -1, NULL, v_in, 1);
+		if (n) {
+			p->avail_in = v_in[0].iov_len;
+			p->next_in = (unsigned char *)v_in[0].iov_base;
+		} else {
+			p->avail_in = 0;
+			p->next_in = 0;
+		}
+
+		evbuffer_reserve_space(dst, 4096, v_out, 1);
+		p->next_out = (unsigned char *)v_out[0].iov_base;
+		p->avail_out = v_out[0].iov_len;
+
+		/* we need to flush zlib if we got a flush */
+		res = deflate(p, getstate(state));
+
+		/* let's figure out how much was decompressed */
+		nread = v_in[0].iov_len - p->avail_in;
+		nwrite = v_out[0].iov_len - p->avail_out;
+
+		evbuffer_drain(src, nread);
+		v_out[0].iov_len = nwrite;
+		evbuffer_commit_space(dst, v_out, 1);
+
+		if (res==Z_BUF_ERROR) {
+			/* We're out of space, or out of decodeable input.
+			   Only if nwrite == 0 assume the latter.
+			 */
+			if (nwrite == 0)
+				return BEV_NEED_MORE;
+		} else {
+			assert(res == Z_OK || res == Z_STREAM_END);
+		}
+
+	} while (evbuffer_get_length(src) > 0);
+
+	++outfilter_calls;
+
+	return (BEV_OK);
+}
+
+/*
+ * simple bufferevent test (over transparent zlib treatment)
+ */
+
+static void
+readcb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bufferevent_get_input(bev)) == 8333) {
+		struct evbuffer *evbuf = evbuffer_new();
+		assert(evbuf != NULL);
+
+		/* gratuitous test of bufferevent_read_buffer */
+		bufferevent_read_buffer(bev, evbuf);
+
+		bufferevent_disable(bev, EV_READ);
+
+		if (evbuffer_get_length(evbuf) == 8333) {
+			++readcb_finished;
+		}
+
+		evbuffer_free(evbuf);
+	}
+}
+
+static void
+writecb(struct bufferevent *bev, void *arg)
+{
+	if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
+		++writecb_finished;
+	}
+}
+
+static void
+errorcb(struct bufferevent *bev, short what, void *arg)
+{
+	errorcb_invoked = 1;
+}
+
+void
+test_bufferevent_zlib(void *arg)
+{
+	struct bufferevent *bev1=NULL, *bev2=NULL;
+	char buffer[8333];
+	z_stream *z_input, *z_output;
+	int i, r;
+	evutil_socket_t pair[2] = {-1, -1};
+	(void)arg;
+
+	infilter_calls = outfilter_calls = readcb_finished = writecb_finished
+	    = errorcb_invoked = 0;
+
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) {
+		tt_abort_perror("socketpair");
+	}
+
+	evutil_make_socket_nonblocking(pair[0]);
+	evutil_make_socket_nonblocking(pair[1]);
+
+	bev1 = bufferevent_socket_new(NULL, pair[0], 0);
+	bev2 = bufferevent_socket_new(NULL, pair[1], 0);
+
+	z_output = mm_calloc(sizeof(*z_output), 1);
+	r = deflateInit(z_output, Z_DEFAULT_COMPRESSION);
+	tt_int_op(r, ==, Z_OK);
+	z_input = mm_calloc(sizeof(*z_input), 1);
+	r = inflateInit(z_input);
+	tt_int_op(r, ==, Z_OK);
+
+	/* initialize filters */
+	bev1 = bufferevent_filter_new(bev1, NULL, zlib_output_filter,
+	    BEV_OPT_CLOSE_ON_FREE, zlib_deflate_free, z_output);
+	bev2 = bufferevent_filter_new(bev2, zlib_input_filter,
+	    NULL, BEV_OPT_CLOSE_ON_FREE, zlib_inflate_free, z_input);
+	bufferevent_setcb(bev1, readcb, writecb, errorcb, NULL);
+	bufferevent_setcb(bev2, readcb, writecb, errorcb, NULL);
+
+	bufferevent_disable(bev1, EV_READ);
+	bufferevent_enable(bev1, EV_WRITE);
+
+	bufferevent_enable(bev2, EV_READ);
+
+	for (i = 0; i < (int)sizeof(buffer); i++)
+		buffer[i] = i;
+
+	/* break it up into multiple buffer chains */
+	bufferevent_write(bev1, buffer, 1800);
+	bufferevent_write(bev1, buffer + 1800, sizeof(buffer) - 1800);
+
+	/* we are done writing - we need to flush everything */
+	bufferevent_flush(bev1, EV_WRITE, BEV_FINISHED);
+
+	event_dispatch();
+
+	tt_want(infilter_calls);
+	tt_want(outfilter_calls);
+	tt_want(readcb_finished);
+	tt_want(writecb_finished);
+	tt_want(!errorcb_invoked);
+
+	test_ok = 1;
+end:
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
+
+	if (pair[0] >= 0)
+		evutil_closesocket(pair[0]);
+	if (pair[1] >= 0)
+		evutil_closesocket(pair[1]);
+}
diff --git a/test/rpcgen_wrapper.sh b/test/rpcgen_wrapper.sh
new file mode 100755
index 0000000..aaa0303
--- /dev/null
+++ b/test/rpcgen_wrapper.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+# libevent rpcgen_wrapper.sh
+# Transforms event_rpcgen.py failure into success for make, only if
+# regress.gen.c and regress.gen.h already exist in $srcdir.  This
+# is needed for "make distcheck" to pass the read-only $srcdir build,
+# as with read-only sources fresh from tarball, regress.gen.[ch] will
+# be correct in $srcdir but unwritable.  This previously triggered
+# Makefile.am to create stub regress.gen.c and regress.gen.h in the
+# distcheck _build directory, which were then detected as leftover
+# files in the build tree after distclean, breaking distcheck.
+# Note that regress.gen.[ch] are not in fresh git clones, making
+# working Python a requirement for make distcheck of a git tree.
+
+exit_updated() {
+#    echo "Updated ${srcdir}/regress.gen.c and ${srcdir}/regress.gen.h"
+    exit 0
+}
+
+exit_reuse() {
+    echo "event_rpcgen.py failed, ${srcdir}/regress.gen.\[ch\] will be reused." >&2
+    exit 0
+}
+
+exit_failed() {
+    echo "Could not generate regress.gen.\[ch\] using event_rpcgen.sh" >&2
+    exit 1
+}
+
+if [ -x /usr/bin/python2 ] ; then
+  PYTHON2=/usr/bin/python2
+elif [ "x`which python2`" != x ] ; then
+  PYTHON2=python2
+else
+  PYTHON2=python
+fi
+
+srcdir=$1
+srcdir=${srcdir:-.}
+
+${PYTHON2} ${srcdir}/../event_rpcgen.py --quiet ${srcdir}/regress.rpc \
+               test/regress.gen.h test/regress.gen.c
+
+case "$?" in
+ 0)
+    exit_updated
+    ;;
+ *)
+    test -r ${srcdir}/regress.gen.c -a -r ${srcdir}/regress.gen.h && \
+	exit_reuse
+    exit_failed
+    ;;
+esac
diff --git a/test/test-changelist.c b/test/test-changelist.c
new file mode 100644
index 0000000..6e2466d
--- /dev/null
+++ b/test/test-changelist.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2010-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/util.h"
+#include <time.h>
+
+struct cpu_usage_timer {
+#ifdef _WIN32
+	HANDLE thread;
+	FILETIME usertimeBegin;
+	FILETIME kerneltimeBegin;
+#else
+	clock_t ticksBegin;
+#endif
+	struct timeval timeBegin;
+};
+static void
+start_cpu_usage_timer(struct cpu_usage_timer *timer)
+{
+#ifdef _WIN32
+	int r;
+	FILETIME createtime, exittime;
+	timer->thread = GetCurrentThread();
+	r = GetThreadTimes(timer->thread, &createtime, &exittime,
+	    &timer->usertimeBegin, &timer->kerneltimeBegin);
+	if (r==0) printf("GetThreadTimes failed.");
+#else
+	timer->ticksBegin = clock();
+#endif
+
+	evutil_gettimeofday(&timer->timeBegin, NULL);
+}
+#ifdef _WIN32
+static ev_int64_t
+filetime_to_100nsec(const FILETIME *ft)
+{
+	/* Number of 100-nanosecond units */
+	ev_int64_t n = ft->dwHighDateTime;
+	n <<= 32;
+	n += ft->dwLowDateTime;
+	return n;
+}
+static double
+filetime_diff(const FILETIME *ftStart, const FILETIME *ftEnd)
+{
+	ev_int64_t s, e, diff;
+	double r;
+	s = filetime_to_100nsec(ftStart);
+	e = filetime_to_100nsec(ftEnd);
+	diff = e - s;
+	r = (double) diff;
+	return r / 1.0e7;
+}
+#endif
+
+static void
+get_cpu_usage(struct cpu_usage_timer *timer, double *secElapsedOut,
+    double *secUsedOut, double *usageOut)
+{
+#ifdef _WIN32
+	double usertime_seconds, kerneltime_seconds;
+	FILETIME createtime, exittime, usertimeEnd, kerneltimeEnd;
+	int r;
+#else
+	clock_t ticksEnd;
+#endif
+	struct timeval timeEnd, timeDiff;
+	double secondsPassed, secondsUsed;
+
+#ifdef _WIN32
+	r = GetThreadTimes(timer->thread, &createtime, &exittime,
+	    &usertimeEnd, &kerneltimeEnd);
+	if (r==0) printf("GetThreadTimes failed.");
+	usertime_seconds = filetime_diff(&timer->usertimeBegin, &usertimeEnd);
+	kerneltime_seconds = filetime_diff(&timer->kerneltimeBegin, &kerneltimeEnd);
+	secondsUsed = kerneltime_seconds + usertime_seconds;
+#else
+	ticksEnd = clock();
+	secondsUsed = (ticksEnd - timer->ticksBegin) / (double)CLOCKS_PER_SEC;
+#endif
+	evutil_gettimeofday(&timeEnd, NULL);
+	evutil_timersub(&timeEnd, &timer->timeBegin, &timeDiff);
+	secondsPassed = timeDiff.tv_sec + (timeDiff.tv_usec / 1.0e6);
+
+	*secElapsedOut = secondsPassed;
+	*secUsedOut = secondsUsed;
+	*usageOut = secondsUsed / secondsPassed;
+}
+
+static void
+write_cb(evutil_socket_t fd, short event, void *arg)
+{
+	printf("write callback. should only see this once\n");
+
+	/* got what we want remove the event */
+	event_del(*(struct event**)arg);
+
+	/* opps changed my mind add it back again */
+	event_add(*(struct event**)arg,NULL);
+
+	/* not a good day for decisiveness, I really didn't want it after all */
+	event_del(*(struct event**)arg);
+
+}
+
+static void
+timeout_cb(evutil_socket_t fd, short event, void *arg)
+{
+	printf("timeout fired, time to end test\n");
+	event_del(*(struct event**)arg);
+	return;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event* ev;
+	struct event* timeout;
+	struct event_base* base;
+
+	evutil_socket_t pair[2];
+	struct timeval tv;
+	struct cpu_usage_timer timer;
+
+	double usage, secPassed, secUsed;
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+		return (1);
+
+	/* Initalize the event library */
+	if (!(base = event_base_new()))
+		return (1);
+
+	/* Initalize a timeout to terminate the test */
+	timeout = evtimer_new(base,timeout_cb,&timeout);
+	/* and watch for writability on one end of the pipe */
+	ev = event_new(base,pair[1],EV_WRITE | EV_PERSIST, write_cb, &ev);
+
+	tv.tv_sec  = 1;
+	tv.tv_usec = 500*1000;
+
+	evtimer_add(timeout, &tv);
+
+	event_add(ev, NULL);
+
+	start_cpu_usage_timer(&timer);
+
+	event_base_dispatch(base);
+
+	event_free(ev);
+	event_free(timeout);
+	event_base_free(base);
+
+	get_cpu_usage(&timer, &secPassed, &secUsed, &usage);
+
+	/* attempt to calculate our cpu usage over the test should be
+	   virtually nil */
+
+	printf("usec used=%d, usec passed=%d, cpu usage=%.2f%%\n",
+	    (int)(secUsed*1e6),
+	    (int)(secPassed*1e6),
+	    usage*100);
+
+	if (usage > 50.0) /* way too high */
+	  return 1;
+
+	return 0;
+}
+
diff --git a/test/test-closed.c b/test/test-closed.c
new file mode 100644
index 0000000..1dd9885
--- /dev/null
+++ b/test/test-closed.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2013 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event.h>
+#include <evutil.h>
+
+struct timeval timeout = {3, 0};
+
+static void
+closed_cb(evutil_socket_t fd, short event, void *arg)
+{
+	if (EV_TIMEOUT & event) {
+		printf("%s: Timeout!\n", __func__);
+		exit(1);
+	}
+
+	if (EV_CLOSED & event) {
+		printf("%s: detected socket close with success\n", __func__);
+		return;
+	}
+
+	printf("%s: unable to detect socket close\n", __func__);
+	exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event_base *base;
+	struct event_config *cfg;
+	struct event *ev;
+	const char *test = "test string";
+	evutil_socket_t pair[2];
+
+	/* Initialize the library and check if the backend
+	   supports EV_FEATURE_EARLY_CLOSE
+	*/
+	cfg = event_config_new();
+	event_config_require_features(cfg, EV_FEATURE_EARLY_CLOSE);
+	base = event_base_new_with_config(cfg);
+	event_config_free(cfg);
+	if (!base) {
+		/* Backend doesn't support EV_FEATURE_EARLY_CLOSE */
+		return 0;
+	}
+
+	/* Create a pair of sockets */
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+		return (1);
+
+	/* Send some data on socket 0 and immediately close it */
+	if (send(pair[0], test, (int)strlen(test)+1, 0) < 0)
+		return (1);
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	/* Dispatch */
+	ev = event_new(base, pair[1], EV_CLOSED | EV_TIMEOUT, closed_cb, event_self_cbarg());
+	event_add(ev, &timeout);
+	event_base_dispatch(base);
+
+	/* Finalize library */
+	event_base_free(base);
+	return 0;
+}
+
diff --git a/test/test-dumpevents.c b/test/test-dumpevents.c
new file mode 100644
index 0000000..1c272d4
--- /dev/null
+++ b/test/test-dumpevents.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "util-internal.h"
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <event2/event.h>
+#include <signal.h>
+
+static void
+sock_perror(const char *s)
+{
+#ifdef _WIN32
+	const char *err = evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR());
+	fprintf(stderr, "%s: %s\n", s, err);
+#else
+	perror(s);
+#endif
+}
+
+static void
+callback1(evutil_socket_t fd, short events, void *arg)
+{
+}
+static void
+callback2(evutil_socket_t fd, short events, void *arg)
+{
+}
+
+/* Testing code for event_base_dump_events().
+
+   Notes that just because we have code to exercise this function,
+   doesn't mean that *ANYTHING* about the output format is guaranteed to
+   remain in the future.
+ */
+int
+main(int argc, char **argv)
+{
+#define N_EVENTS 13
+	int i;
+	struct event *ev[N_EVENTS];
+	evutil_socket_t pair1[2];
+	evutil_socket_t pair2[2];
+	struct timeval tv_onesec = {1,0};
+	struct timeval tv_two5sec = {2,500*1000};
+	const struct timeval *tv_onesec_common;
+	const struct timeval *tv_two5sec_common;
+	struct event_base *base;
+	struct timeval now;
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+#ifdef _WIN32
+#define LOCAL_SOCKETPAIR_AF AF_INET
+#else
+#define LOCAL_SOCKETPAIR_AF AF_UNIX
+#endif
+
+	if (evutil_make_internal_pipe_(pair1) < 0 ||
+	    evutil_make_internal_pipe_(pair2) < 0) {
+		sock_perror("evutil_make_internal_pipe_");
+		return 1;
+	}
+
+	if (!(base = event_base_new())) {
+		fprintf(stderr,"Couldn't make event_base\n");
+		return 2;
+	}
+
+	tv_onesec_common = event_base_init_common_timeout(base, &tv_onesec);
+	tv_two5sec_common = event_base_init_common_timeout(base, &tv_two5sec);
+
+	ev[0] = event_new(base, pair1[0], EV_WRITE, callback1, NULL);
+	ev[1] = event_new(base, pair1[1], EV_READ|EV_PERSIST, callback1, NULL);
+	ev[2] = event_new(base, pair2[0], EV_WRITE|EV_PERSIST, callback2, NULL);
+	ev[3] = event_new(base, pair2[1], EV_READ, callback2, NULL);
+
+	/* For timers */
+	ev[4] = evtimer_new(base, callback1, NULL);
+	ev[5] = evtimer_new(base, callback1, NULL);
+	ev[6] = evtimer_new(base, callback1, NULL);
+	ev[7] = event_new(base, -1, EV_PERSIST, callback2, NULL);
+	ev[8] = event_new(base, -1, EV_PERSIST, callback2, NULL);
+	ev[9] = event_new(base, -1, EV_PERSIST, callback2, NULL);
+
+	/* To activate */
+	ev[10] = event_new(base, -1, 0, callback1, NULL);
+	ev[11] = event_new(base, -1, 0, callback2, NULL);
+
+	/* Signals */
+	ev[12] = evsignal_new(base, SIGINT, callback2, NULL);
+
+	event_add(ev[0], NULL);
+	event_add(ev[1], &tv_onesec);
+	event_add(ev[2], tv_onesec_common);
+	event_add(ev[3], tv_two5sec_common);
+
+	event_add(ev[4], tv_onesec_common);
+	event_add(ev[5], tv_onesec_common);
+	event_add(ev[6], &tv_onesec);
+	event_add(ev[7], tv_two5sec_common);
+	event_add(ev[8], tv_onesec_common);
+	event_add(ev[9], &tv_two5sec);
+
+	event_active(ev[10], EV_READ, 1);
+	event_active(ev[11], EV_READ|EV_WRITE|EV_TIMEOUT, 1);
+	event_active(ev[1], EV_READ, 1);
+
+	event_add(ev[12], NULL);
+
+	evutil_gettimeofday(&now,NULL);
+	puts("=====expected");
+	printf("Now= %ld.%06d\n",(long)now.tv_sec,(int)now.tv_usec);
+	puts("Inserted:");
+	printf("  %p [fd  %ld] Write\n",ev[0],(long)pair1[0]);
+	printf("  %p [fd  %ld] Read Persist Timeout=T+1\n",ev[1],(long)pair1[1]);
+	printf("  %p [fd  %ld] Write Persist Timeout=T+1\n",ev[2],(long)pair2[0]);
+	printf("  %p [fd  %ld] Read Timeout=T+2.5\n",ev[3],(long)pair2[1]);
+	printf("  %p [fd  -1] Timeout=T+1\n",ev[4]);
+	printf("  %p [fd  -1] Timeout=T+1\n",ev[5]);
+	printf("  %p [fd  -1] Timeout=T+1\n",ev[6]);
+	printf("  %p [fd  -1] Persist Timeout=T+2.5\n",ev[7]);
+	printf("  %p [fd  -1] Persist Timeout=T+1\n",ev[8]);
+	printf("  %p [fd  -1] Persist Timeout=T+2.5\n",ev[9]);
+	printf("  %p [sig %d] Signal Persist\n", ev[12], (int)SIGINT);
+
+	puts("Active:");
+	printf("  %p [fd  -1, priority=0] Read active\n", ev[10]);
+	printf("  %p [fd  -1, priority=0] Read Write Timeout active\n", ev[11]);
+	printf("  %p [fd  %ld, priority=0] Read active\n", ev[1], (long)pair1[1]);
+
+	puts("======received");
+	event_base_dump_events(base, stdout);
+
+	for (i = 0; i < N_EVENTS; ++i) {
+		event_free(ev[i]);
+	}
+	event_base_free(base);
+
+	return 0;
+}
+
diff --git a/test/test-eof.c b/test/test-eof.c
new file mode 100644
index 0000000..284ead7
--- /dev/null
+++ b/test/test-eof.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <event.h>
+#include <evutil.h>
+
+int test_okay = 1;
+int called = 0;
+struct timeval timeout = {60, 0};
+
+static void
+read_cb(evutil_socket_t fd, short event, void *arg)
+{
+	char buf[256];
+	int len;
+
+	if (EV_TIMEOUT & event) {
+		printf("%s: Timeout!\n", __func__);
+		exit(1);
+	}
+
+	len = recv(fd, buf, sizeof(buf), 0);
+
+	printf("%s: read %d%s\n", __func__,
+	    len, len ? "" : " - means EOF");
+
+	if (len) {
+		if (!called)
+			event_add(arg, &timeout);
+	} else if (called == 1)
+		test_okay = 0;
+
+	called++;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event ev;
+	const char *test = "test string";
+	evutil_socket_t pair[2];
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+		return (1);
+
+
+	if (send(pair[0], test, (int)strlen(test)+1, 0) < 0)
+		return (1);
+	shutdown(pair[0], EVUTIL_SHUT_WR);
+
+	/* Initalize the event library */
+	event_init();
+
+	/* Initalize one event */
+	event_set(&ev, pair[1], EV_READ | EV_TIMEOUT, read_cb, &ev);
+
+	event_add(&ev, &timeout);
+
+	event_dispatch();
+
+	return (test_okay);
+}
+
diff --git a/test/test-fdleak.c b/test/test-fdleak.c
new file mode 100644
index 0000000..4c4eba2
--- /dev/null
+++ b/test/test-fdleak.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2012 Ross Lagerwall <rosslagerwall@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+#ifdef EVENT__HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#include "event2/event.h"
+#include "event2/bufferevent.h"
+#include "event2/buffer.h"
+#include "event2/listener.h"
+
+/* Number of requests to make. Setting this too high might result in the machine
+   running out of ephemeral ports */
+#ifdef _WIN32
+#define MAX_REQUESTS 1000
+#else
+#define MAX_REQUESTS 4000
+#endif
+
+/* Provide storage for the address, both for the server & the clients */
+static struct sockaddr_in saddr;
+
+/* Number of sucessful requests so far */
+static int num_requests;
+
+static void start_client(struct event_base *base);
+
+static void
+my_perror(const char *s)
+{
+	fprintf(stderr, "%s: %s",
+	    s, evutil_socket_error_to_string(EVUTIL_SOCKET_ERROR()));
+}
+
+/*
+===============================================
+Server functions
+===============================================
+*/
+
+/* Read a byte from the client and write it back */
+static void
+server_read_cb(struct bufferevent *bev, void *ctx)
+{
+	while (evbuffer_get_length(bufferevent_get_input(bev))) {
+		unsigned char tmp;
+		bufferevent_read(bev, &tmp, 1);
+		bufferevent_write(bev, &tmp, 1);
+	}
+}
+
+/* Wait for an EOF and then free the bufferevent */
+static void
+server_event_cb(struct bufferevent *bev, short events, void *ctx)
+{
+	if (events & BEV_EVENT_ERROR) {
+		my_perror("Error from bufferevent");
+		exit(1);
+	} else if (events & (BEV_EVENT_EOF | BEV_EVENT_ERROR)) {
+		bufferevent_free(bev);
+	}
+}
+
+/* Accept a client socket and set it up to for reading & writing */
+static void
+listener_accept_cb(struct evconnlistener *listener, evutil_socket_t sock,
+                   struct sockaddr *addr, int len, void *ptr)
+{
+	struct event_base *base = evconnlistener_get_base(listener);
+	struct bufferevent *bev = bufferevent_socket_new(base, sock,
+                                                         BEV_OPT_CLOSE_ON_FREE);
+
+	bufferevent_setcb(bev, server_read_cb, NULL, server_event_cb, NULL);
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+}
+
+/* Start the server listening on a random port and start the first client. */
+static void
+start_loop(void)
+{
+	struct event_base *base;
+	struct evconnlistener *listener;
+	struct sockaddr_storage ss;
+	ev_socklen_t socklen = sizeof(ss);
+	evutil_socket_t fd;
+
+	base = event_base_new();
+	if (base == NULL) {
+		puts("Could not open event base!");
+		exit(1);
+	}
+
+	listener = evconnlistener_new_bind(base, listener_accept_cb, NULL,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr *)&saddr, sizeof(saddr));
+	if (listener == NULL) {
+		my_perror("Could not create listener!");
+		exit(1);
+	}
+	fd = evconnlistener_get_fd(listener);
+	if (fd < 0) {
+		puts("Couldn't get fd from listener");
+		exit(1);
+	}
+	if (getsockname(fd, (struct sockaddr *)&ss, &socklen) < 0) {
+		my_perror("getsockname()");
+		exit(1);
+	}
+	memcpy(&saddr, &ss, sizeof(saddr));
+	if (saddr.sin_family != AF_INET) {
+		puts("AF mismatch from getsockname().");
+		exit(1);
+	}
+
+	start_client(base);
+
+	event_base_dispatch(base);
+}
+
+/*
+===============================================
+Client functions
+===============================================
+*/
+
+/* Check that the server sends back the same byte that the client sent.
+   If MAX_REQUESTS have been reached, exit. Otherwise, start another client. */
+static void
+client_read_cb(struct bufferevent *bev, void *ctx)
+{
+	unsigned char tmp;
+	struct event_base *base = bufferevent_get_base(bev);
+
+	bufferevent_read(bev, &tmp, 1);
+	if (tmp != 'A') {
+		puts("Incorrect data received!");
+		exit(2);
+	}
+	bufferevent_free(bev);
+
+	num_requests++;
+	if (num_requests == MAX_REQUESTS) {
+		event_base_loopbreak(base);
+	} else {
+		start_client(base);
+	}
+}
+
+/* Send a byte to the server. */
+static void
+client_event_cb(struct bufferevent *bev, short events, void *ctx)
+{
+	if (events & BEV_EVENT_CONNECTED) {
+		unsigned char tmp = 'A';
+		bufferevent_write(bev, &tmp, 1);
+	} else if (events & BEV_EVENT_ERROR) {
+		puts("Client socket got error!");
+		exit(2);
+	}
+
+	bufferevent_enable(bev, EV_READ);
+}
+
+/* Open a client socket to connect to localhost on sin */
+static void
+start_client(struct event_base *base)
+{
+	struct bufferevent *bev = bufferevent_socket_new(base, -1,
+                                                         BEV_OPT_CLOSE_ON_FREE);
+	bufferevent_setcb(bev, client_read_cb, NULL, client_event_cb, NULL);
+
+	if (bufferevent_socket_connect(bev, (struct sockaddr *)&saddr,
+                                       sizeof(saddr)) < 0) {
+		my_perror("Could not connect!");
+		bufferevent_free(bev);
+		exit(2);
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+#ifdef EVENT__HAVE_SETRLIMIT
+	/* Set the fd limit to a low value so that any fd leak is caught without
+	making many requests. */
+	struct rlimit rl;
+	rl.rlim_cur = rl.rlim_max = 20;
+	if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
+		my_perror("setrlimit");
+		exit(3);
+	}
+#endif
+
+#ifdef _WIN32
+	WSADATA WSAData;
+	WSAStartup(0x101, &WSAData);
+#endif
+
+	/* Set up an address, used by both client & server. */
+	memset(&saddr, 0, sizeof(saddr));
+	saddr.sin_family = AF_INET;
+	saddr.sin_addr.s_addr = htonl(0x7f000001);
+	saddr.sin_port = 0; /* Tell the implementation to pick a port. */
+
+	start_loop();
+
+	return 0;
+}
+
+/* XXX why does this test cause so much latency sometimes (OSX 10.5)? */
diff --git a/evrpc.h b/test/test-init.c
similarity index 68%
copy from evrpc.h
copy to test/test-init.c
index 5b88262..92fbc6b 100644
--- a/evrpc.h
+++ b/test/test-init.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
  * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
@@ -24,22 +24,42 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVRPC_H_
-#define _EVRPC_H_
+#include "event2/event-config.h"
 
-/** @file evrpc.h
-
-  An RPC system for Libevent.
-
-  The <evrpc.h> header is deprecated in Libevent 2.0 and later; please
-  use <event2/rpc.h> instead.  Depending on what functionality you
-  need, you may also want to include more of the other <event2/...>
-  headers.
- */
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#include <errno.h>
 
 #include <event.h>
-#include <event2/rpc.h>
-#include <event2/rpc_struct.h>
-#include <event2/rpc_compat.h>
 
-#endif /* _EVRPC_H_ */
+int
+main(int argc, char **argv)
+{
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	/* Initalize the event library */
+	event_init();
+
+	return (0);
+}
+
diff --git a/test/test-ratelim.c b/test/test-ratelim.c
new file mode 100644
index 0000000..9ee989b
--- /dev/null
+++ b/test/test-ratelim.c
@@ -0,0 +1,603 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#else
+#include <sys/socket.h>
+#include <netinet/in.h>
+# ifdef _XOPEN_SOURCE_EXTENDED
+#  include <arpa/inet.h>
+# endif
+#endif
+#include <signal.h>
+
+#include "event2/bufferevent.h"
+#include "event2/buffer.h"
+#include "event2/event.h"
+#include "event2/util.h"
+#include "event2/listener.h"
+#include "event2/thread.h"
+
+static struct evutil_weakrand_state weakrand_state;
+
+static int cfg_verbose = 0;
+static int cfg_help = 0;
+
+static int cfg_n_connections = 30;
+static int cfg_duration = 5;
+static int cfg_connlimit = 0;
+static int cfg_grouplimit = 0;
+static int cfg_tick_msec = 1000;
+static int cfg_min_share = -1;
+static int cfg_group_drain = 0;
+
+static int cfg_connlimit_tolerance = -1;
+static int cfg_grouplimit_tolerance = -1;
+static int cfg_stddev_tolerance = -1;
+
+#ifdef _WIN32
+static int cfg_enable_iocp = 0;
+#endif
+
+static struct timeval cfg_tick = { 0, 500*1000 };
+
+static struct ev_token_bucket_cfg *conn_bucket_cfg = NULL;
+static struct ev_token_bucket_cfg *group_bucket_cfg = NULL;
+struct bufferevent_rate_limit_group *ratelim_group = NULL;
+static double seconds_per_tick = 0.0;
+
+struct client_state {
+	size_t queued;
+	ev_uint64_t received;
+
+};
+static const struct timeval *ms100_common=NULL;
+
+/* info from check_bucket_levels_cb */
+static int total_n_bev_checks = 0;
+static ev_int64_t total_rbucket_level=0;
+static ev_int64_t total_wbucket_level=0;
+static ev_int64_t total_max_to_read=0;
+static ev_int64_t total_max_to_write=0;
+static ev_int64_t max_bucket_level=EV_INT64_MIN;
+static ev_int64_t min_bucket_level=EV_INT64_MAX;
+
+/* from check_group_bucket_levels_cb */
+static int total_n_group_bev_checks = 0;
+static ev_int64_t total_group_rbucket_level = 0;
+static ev_int64_t total_group_wbucket_level = 0;
+
+static int n_echo_conns_open = 0;
+
+/* Info on the open connections */
+struct bufferevent **bevs;
+struct client_state *states;
+struct bufferevent_rate_limit_group *group = NULL;
+
+static void check_bucket_levels_cb(evutil_socket_t fd, short events, void *arg);
+
+static void
+loud_writecb(struct bufferevent *bev, void *ctx)
+{
+	struct client_state *cs = ctx;
+	struct evbuffer *output = bufferevent_get_output(bev);
+	char buf[1024];
+	int r = evutil_weakrand_(&weakrand_state);
+	memset(buf, r, sizeof(buf));
+	while (evbuffer_get_length(output) < 8192) {
+		evbuffer_add(output, buf, sizeof(buf));
+		cs->queued += sizeof(buf);
+	}
+}
+
+static void
+discard_readcb(struct bufferevent *bev, void *ctx)
+{
+	struct client_state *cs = ctx;
+	struct evbuffer *input = bufferevent_get_input(bev);
+	size_t len = evbuffer_get_length(input);
+	evbuffer_drain(input, len);
+	cs->received += len;
+}
+
+static void
+write_on_connectedcb(struct bufferevent *bev, short what, void *ctx)
+{
+	if (what & BEV_EVENT_CONNECTED) {
+		loud_writecb(bev, ctx);
+		/* XXXX this shouldn't be needed. */
+		bufferevent_enable(bev, EV_READ|EV_WRITE);
+	}
+}
+
+static void
+echo_readcb(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *input = bufferevent_get_input(bev);
+	struct evbuffer *output = bufferevent_get_output(bev);
+
+	evbuffer_add_buffer(output, input);
+	if (evbuffer_get_length(output) > 1024000)
+		bufferevent_disable(bev, EV_READ);
+}
+
+static void
+echo_writecb(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *output = bufferevent_get_output(bev);
+	if (evbuffer_get_length(output) < 512000)
+		bufferevent_enable(bev, EV_READ);
+}
+
+static void
+echo_eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	if (what & (BEV_EVENT_EOF|BEV_EVENT_ERROR)) {
+		--n_echo_conns_open;
+		bufferevent_free(bev);
+	}
+}
+
+static void
+echo_listenercb(struct evconnlistener *listener, evutil_socket_t newsock,
+    struct sockaddr *sourceaddr, int socklen, void *ctx)
+{
+	struct event_base *base = ctx;
+	int flags = BEV_OPT_CLOSE_ON_FREE|BEV_OPT_THREADSAFE;
+	struct bufferevent *bev;
+
+	bev = bufferevent_socket_new(base, newsock, flags);
+	bufferevent_setcb(bev, echo_readcb, echo_writecb, echo_eventcb, NULL);
+	if (conn_bucket_cfg) {
+		struct event *check_event =
+		    event_new(base, -1, EV_PERSIST, check_bucket_levels_cb, bev);
+		bufferevent_set_rate_limit(bev, conn_bucket_cfg);
+
+		assert(bufferevent_get_token_bucket_cfg(bev) != NULL);
+		event_add(check_event, ms100_common);
+	}
+	if (ratelim_group)
+		bufferevent_add_to_rate_limit_group(bev, ratelim_group);
+	++n_echo_conns_open;
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+}
+
+/* Called periodically to check up on how full the buckets are */
+static void
+check_bucket_levels_cb(evutil_socket_t fd, short events, void *arg)
+{
+	struct bufferevent *bev = arg;
+
+	ev_ssize_t r = bufferevent_get_read_limit(bev);
+	ev_ssize_t w = bufferevent_get_write_limit(bev);
+	ev_ssize_t rm = bufferevent_get_max_to_read(bev);
+	ev_ssize_t wm = bufferevent_get_max_to_write(bev);
+	/* XXXX check that no value is above the cofigured burst
+	 * limit */
+	total_rbucket_level += r;
+	total_wbucket_level += w;
+	total_max_to_read += rm;
+	total_max_to_write += wm;
+#define B(x) \
+	if ((x) > max_bucket_level)		\
+		max_bucket_level = (x);		\
+	if ((x) < min_bucket_level)		\
+		min_bucket_level = (x)
+	B(r);
+	B(w);
+#undef B
+
+	total_n_bev_checks++;
+	if (total_n_bev_checks >= .8 * ((double)cfg_duration / cfg_tick_msec) * cfg_n_connections) {
+		event_free(event_base_get_running_event(bufferevent_get_base(bev)));
+	}
+}
+
+static void
+check_group_bucket_levels_cb(evutil_socket_t fd, short events, void *arg)
+{
+	if (ratelim_group) {
+		ev_ssize_t r = bufferevent_rate_limit_group_get_read_limit(ratelim_group);
+		ev_ssize_t w = bufferevent_rate_limit_group_get_write_limit(ratelim_group);
+		total_group_rbucket_level += r;
+		total_group_wbucket_level += w;
+	}
+	++total_n_group_bev_checks;
+}
+
+static void
+group_drain_cb(evutil_socket_t fd, short events, void *arg)
+{
+	bufferevent_rate_limit_group_decrement_read(ratelim_group, cfg_group_drain);
+	bufferevent_rate_limit_group_decrement_write(ratelim_group, cfg_group_drain);
+}
+
+static int
+test_ratelimiting(void)
+{
+	struct event_base *base;
+	struct sockaddr_in sin;
+	struct evconnlistener *listener;
+
+	struct sockaddr_storage ss;
+	ev_socklen_t slen;
+
+	int i;
+
+	struct timeval tv;
+
+	ev_uint64_t total_received;
+	double total_sq_persec, total_persec;
+	double variance;
+	double expected_total_persec = -1.0, expected_avg_persec = -1.0;
+	int ok = 1;
+	struct event_config *base_cfg;
+	struct event *periodic_level_check;
+	struct event *group_drain_event=NULL;
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */
+	sin.sin_port = 0; /* unspecified port */
+
+	if (0)
+		event_enable_debug_mode();
+
+	base_cfg = event_config_new();
+
+#ifdef _WIN32
+	if (cfg_enable_iocp) {
+#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
+		evthread_use_windows_threads();
+#endif
+		event_config_set_flag(base_cfg, EVENT_BASE_FLAG_STARTUP_IOCP);
+	}
+#endif
+
+	base = event_base_new_with_config(base_cfg);
+	event_config_free(base_cfg);
+	if (! base) {
+		fprintf(stderr, "Couldn't create event_base");
+		return 1;
+	}
+
+	listener = evconnlistener_new_bind(base, echo_listenercb, base,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1,
+	    (struct sockaddr *)&sin, sizeof(sin));
+	if (! listener) {
+		fprintf(stderr, "Couldn't create listener");
+		return 1;
+	}
+
+	slen = sizeof(ss);
+	if (getsockname(evconnlistener_get_fd(listener), (struct sockaddr *)&ss,
+		&slen) < 0) {
+		perror("getsockname");
+		return 1;
+	}
+
+	if (cfg_connlimit > 0) {
+		conn_bucket_cfg = ev_token_bucket_cfg_new(
+			cfg_connlimit, cfg_connlimit * 4,
+			cfg_connlimit, cfg_connlimit * 4,
+			&cfg_tick);
+		assert(conn_bucket_cfg);
+	}
+
+	if (cfg_grouplimit > 0) {
+		group_bucket_cfg = ev_token_bucket_cfg_new(
+			cfg_grouplimit, cfg_grouplimit * 4,
+			cfg_grouplimit, cfg_grouplimit * 4,
+			&cfg_tick);
+		group = ratelim_group = bufferevent_rate_limit_group_new(
+			base, group_bucket_cfg);
+		expected_total_persec = cfg_grouplimit - (cfg_group_drain / seconds_per_tick);
+		expected_avg_persec = cfg_grouplimit / cfg_n_connections;
+		if (cfg_connlimit > 0 && expected_avg_persec > cfg_connlimit)
+			expected_avg_persec = cfg_connlimit;
+		if (cfg_min_share >= 0)
+			bufferevent_rate_limit_group_set_min_share(
+				ratelim_group, cfg_min_share);
+	}
+
+	if (expected_avg_persec < 0 && cfg_connlimit > 0)
+		expected_avg_persec = cfg_connlimit;
+
+	if (expected_avg_persec > 0)
+		expected_avg_persec /= seconds_per_tick;
+	if (expected_total_persec > 0)
+		expected_total_persec /= seconds_per_tick;
+
+	bevs = calloc(cfg_n_connections, sizeof(struct bufferevent *));
+	states = calloc(cfg_n_connections, sizeof(struct client_state));
+
+	for (i = 0; i < cfg_n_connections; ++i) {
+		bevs[i] = bufferevent_socket_new(base, -1,
+		    BEV_OPT_CLOSE_ON_FREE|BEV_OPT_THREADSAFE);
+		assert(bevs[i]);
+		bufferevent_setcb(bevs[i], discard_readcb, loud_writecb,
+		    write_on_connectedcb, &states[i]);
+		bufferevent_enable(bevs[i], EV_READ|EV_WRITE);
+		bufferevent_socket_connect(bevs[i], (struct sockaddr *)&ss,
+		    slen);
+	}
+
+	tv.tv_sec = cfg_duration - 1;
+	tv.tv_usec = 995000;
+
+	event_base_loopexit(base, &tv);
+
+	tv.tv_sec = 0;
+	tv.tv_usec = 100*1000;
+	ms100_common = event_base_init_common_timeout(base, &tv);
+
+	periodic_level_check = event_new(base, -1, EV_PERSIST, check_group_bucket_levels_cb, NULL);
+	event_add(periodic_level_check, ms100_common);
+
+	if (cfg_group_drain && ratelim_group) {
+		group_drain_event = event_new(base, -1, EV_PERSIST, group_drain_cb, NULL);
+		event_add(group_drain_event, &cfg_tick);
+	}
+
+	event_base_dispatch(base);
+
+	ratelim_group = NULL; /* So no more responders get added */
+	event_free(periodic_level_check);
+	if (group_drain_event)
+		event_del(group_drain_event);
+
+	for (i = 0; i < cfg_n_connections; ++i) {
+		bufferevent_free(bevs[i]);
+	}
+	evconnlistener_free(listener);
+
+	/* Make sure no new echo_conns get added to the group. */
+	ratelim_group = NULL;
+
+	/* This should get _everybody_ freed */
+	while (n_echo_conns_open) {
+		printf("waiting for %d conns\n", n_echo_conns_open);
+		tv.tv_sec = 0;
+		tv.tv_usec = 300000;
+		event_base_loopexit(base, &tv);
+		event_base_dispatch(base);
+	}
+
+	if (group)
+		bufferevent_rate_limit_group_free(group);
+
+	if (total_n_bev_checks) {
+		printf("Average read bucket level: %f\n",
+		    (double)total_rbucket_level/total_n_bev_checks);
+		printf("Average write bucket level: %f\n",
+		    (double)total_wbucket_level/total_n_bev_checks);
+		printf("Highest read bucket level: %f\n",
+		    (double)max_bucket_level);
+		printf("Highest write bucket level: %f\n",
+		    (double)min_bucket_level);
+		printf("Average max-to-read: %f\n",
+		    ((double)total_max_to_read)/total_n_bev_checks);
+		printf("Average max-to-write: %f\n",
+		    ((double)total_max_to_write)/total_n_bev_checks);
+	}
+	if (total_n_group_bev_checks) {
+		printf("Average group read bucket level: %f\n",
+		    ((double)total_group_rbucket_level)/total_n_group_bev_checks);
+		printf("Average group write bucket level: %f\n",
+		    ((double)total_group_wbucket_level)/total_n_group_bev_checks);
+	}
+
+	total_received = 0;
+	total_persec = 0.0;
+	total_sq_persec = 0.0;
+	for (i=0; i < cfg_n_connections; ++i) {
+		double persec = states[i].received;
+		persec /= cfg_duration;
+		total_received += states[i].received;
+		total_persec += persec;
+		total_sq_persec += persec*persec;
+		printf("%d: %f per second\n", i+1, persec);
+	}
+	printf("   total: %f per second\n",
+	    ((double)total_received)/cfg_duration);
+	if (expected_total_persec > 0) {
+		double diff = expected_total_persec -
+		    ((double)total_received/cfg_duration);
+		printf("  [Off by %lf]\n", diff);
+		if (cfg_grouplimit_tolerance > 0 &&
+		    fabs(diff) > cfg_grouplimit_tolerance) {
+			fprintf(stderr, "Group bandwidth out of bounds\n");
+			ok = 0;
+		}
+	}
+
+	printf(" average: %f per second\n",
+	    (((double)total_received)/cfg_duration)/cfg_n_connections);
+	if (expected_avg_persec > 0) {
+		double diff = expected_avg_persec - (((double)total_received)/cfg_duration)/cfg_n_connections;
+		printf("  [Off by %lf]\n", diff);
+		if (cfg_connlimit_tolerance > 0 &&
+		    fabs(diff) > cfg_connlimit_tolerance) {
+			fprintf(stderr, "Connection bandwidth out of bounds\n");
+			ok = 0;
+		}
+	}
+
+	variance = total_sq_persec/cfg_n_connections - total_persec*total_persec/(cfg_n_connections*cfg_n_connections);
+
+	printf("  stddev: %f per second\n", sqrt(variance));
+	if (cfg_stddev_tolerance > 0 &&
+	    sqrt(variance) > cfg_stddev_tolerance) {
+		fprintf(stderr, "Connection variance out of bounds\n");
+		ok = 0;
+	}
+
+	event_base_free(base);
+	free(bevs);
+	free(states);
+
+	return ok ? 0 : 1;
+}
+
+static struct option {
+	const char *name; int *ptr; int min; int isbool;
+} options[] = {
+	{ "-v", &cfg_verbose, 0, 1 },
+	{ "-h", &cfg_help, 0, 1 },
+	{ "-n", &cfg_n_connections, 1, 0 },
+	{ "-d", &cfg_duration, 1, 0 },
+	{ "-c", &cfg_connlimit, 0, 0 },
+	{ "-g", &cfg_grouplimit, 0, 0 },
+	{ "-G", &cfg_group_drain, -100000, 0 },
+	{ "-t", &cfg_tick_msec, 10, 0 },
+	{ "--min-share", &cfg_min_share, 0, 0 },
+	{ "--check-connlimit", &cfg_connlimit_tolerance, 0, 0 },
+	{ "--check-grouplimit", &cfg_grouplimit_tolerance, 0, 0 },
+	{ "--check-stddev", &cfg_stddev_tolerance, 0, 0 },
+#ifdef _WIN32
+	{ "--iocp", &cfg_enable_iocp, 0, 1 },
+#endif
+	{ NULL, NULL, -1, 0 },
+};
+
+static int
+handle_option(int argc, char **argv, int *i, const struct option *opt)
+{
+	long val;
+	char *endptr = NULL;
+	if (opt->isbool) {
+		*opt->ptr = 1;
+		return 0;
+	}
+	if (*i + 1 == argc) {
+		fprintf(stderr, "Too few arguments to '%s'\n",argv[*i]);
+		return -1;
+	}
+	val = strtol(argv[*i+1], &endptr, 10);
+	if (*argv[*i+1] == '\0' || !endptr || *endptr != '\0') {
+		fprintf(stderr, "Couldn't parse numeric value '%s'\n",
+		    argv[*i+1]);
+		return -1;
+	}
+	if (val < opt->min || val > 0x7fffffff) {
+		fprintf(stderr, "Value '%s' is out-of-range'\n",
+		    argv[*i+1]);
+		return -1;
+	}
+	*opt->ptr = (int)val;
+	++*i;
+	return 0;
+}
+
+static void
+usage(void)
+{
+	fprintf(stderr,
+"test-ratelim [-v] [-n INT] [-d INT] [-c INT] [-g INT] [-t INT]\n\n"
+"Pushes bytes through a number of possibly rate-limited connections, and\n"
+"displays average throughput.\n\n"
+"  -n INT: Number of connections to open (default: 30)\n"
+"  -d INT: Duration of the test in seconds (default: 5 sec)\n");
+	fprintf(stderr,
+"  -c INT: Connection-rate limit applied to each connection in bytes per second\n"
+"	   (default: None.)\n"
+"  -g INT: Group-rate limit applied to sum of all usage in bytes per second\n"
+"	   (default: None.)\n"
+"  -G INT: drain INT bytes from the group limit every tick. (default: 0)\n"
+"  -t INT: Granularity of timing, in milliseconds (default: 1000 msec)\n");
+}
+
+int
+main(int argc, char **argv)
+{
+	int i,j;
+	double ratio;
+
+#ifdef _WIN32
+	WORD wVersionRequested = MAKEWORD(2,2);
+	WSADATA wsaData;
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	evutil_weakrand_seed_(&weakrand_state, 0);
+
+#ifndef _WIN32
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+		return 1;
+#endif
+	for (i = 1; i < argc; ++i) {
+		for (j = 0; options[j].name; ++j) {
+			if (!strcmp(argv[i],options[j].name)) {
+				if (handle_option(argc,argv,&i,&options[j])<0)
+					return 1;
+				goto again;
+			}
+		}
+		fprintf(stderr, "Unknown option '%s'\n", argv[i]);
+		usage();
+		return 1;
+	again:
+		;
+	}
+	if (cfg_help) {
+		usage();
+		return 0;
+	}
+
+	cfg_tick.tv_sec = cfg_tick_msec / 1000;
+	cfg_tick.tv_usec = (cfg_tick_msec % 1000)*1000;
+
+	seconds_per_tick = ratio = cfg_tick_msec / 1000.0;
+
+	cfg_connlimit *= ratio;
+	cfg_grouplimit *= ratio;
+
+	{
+		struct timeval tv;
+		evutil_gettimeofday(&tv, NULL);
+#ifdef _WIN32
+		srand(tv.tv_usec);
+#else
+		srandom(tv.tv_usec);
+#endif
+	}
+
+#ifndef EVENT__DISABLE_THREAD_SUPPORT
+	evthread_enable_lock_debugging();
+#endif
+
+	return test_ratelimiting();
+}
diff --git a/test/test-time.c b/test/test-time.c
new file mode 100644
index 0000000..c4d031e
--- /dev/null
+++ b/test/test-time.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "event2/event-config.h"
+#include "util-internal.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifndef _WIN32
+#include <unistd.h>
+#include <sys/time.h>
+#endif
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/event_compat.h"
+#include "event2/event_struct.h"
+
+int called = 0;
+
+#define NEVENT	20000
+
+struct event *ev[NEVENT];
+
+struct evutil_weakrand_state weakrand_state;
+
+static int
+rand_int(int n)
+{
+	return evutil_weakrand_(&weakrand_state) % n;
+}
+
+static void
+time_cb(evutil_socket_t fd, short event, void *arg)
+{
+	struct timeval tv;
+	int i, j;
+
+	called++;
+
+	if (called < 10*NEVENT) {
+		for (i = 0; i < 10; i++) {
+			j = rand_int(NEVENT);
+			tv.tv_sec = 0;
+			tv.tv_usec = rand_int(50000);
+			if (tv.tv_usec % 2 || called < NEVENT)
+				evtimer_add(ev[j], &tv);
+			else
+				evtimer_del(ev[j]);
+		}
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	struct timeval tv;
+	int i;
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+	evutil_weakrand_seed_(&weakrand_state, 0);
+
+	/* Initalize the event library */
+	event_init();
+
+	for (i = 0; i < NEVENT; i++) {
+		ev[i] = malloc(sizeof(struct event));
+
+		/* Initalize one event */
+		evtimer_set(ev[i], time_cb, ev[i]);
+		tv.tv_sec = 0;
+		tv.tv_usec = rand_int(50000);
+		evtimer_add(ev[i], &tv);
+	}
+
+	event_dispatch();
+
+
+	printf("%d, %d\n", called, NEVENT);
+	return (called < NEVENT);
+}
+
diff --git a/test/test-weof.c b/test/test-weof.c
new file mode 100644
index 0000000..52c7afb
--- /dev/null
+++ b/test/test-weof.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "../util-internal.h"
+#include "event2/event-config.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#else
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef EVENT__HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef EVENT__HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <errno.h>
+
+#include "event2/event.h"
+#include "event2/event_struct.h"
+#include "event2/event_compat.h"
+#include "event2/util.h"
+
+evutil_socket_t pair[2];
+int test_okay = 1;
+int called = 0;
+
+static void
+write_cb(evutil_socket_t fd, short event, void *arg)
+{
+	const char *test = "test string";
+	int len;
+
+	len = send(fd, test, (int)strlen(test) + 1, 0);
+
+	printf("%s: write %d%s\n", __func__,
+	    len, len ? "" : " - means EOF");
+
+	if (len > 0) {
+		if (!called)
+			event_add(arg, NULL);
+		evutil_closesocket(pair[0]);
+	} else if (called == 1)
+		test_okay = 0;
+
+	called++;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct event ev;
+
+#ifdef _WIN32
+	WORD wVersionRequested;
+	WSADATA wsaData;
+
+	wVersionRequested = MAKEWORD(2, 2);
+
+	(void) WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+#ifndef _WIN32
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+		return (1);
+#endif
+
+	if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
+		return (1);
+
+	/* Initalize the event library */
+	event_init();
+
+	/* Initalize one event */
+	event_set(&ev, pair[1], EV_WRITE, write_cb, &ev);
+
+	event_add(&ev, NULL);
+
+	event_dispatch();
+
+	return (test_okay);
+}
+
diff --git a/test/test.sh b/test/test.sh
new file mode 100755
index 0000000..dd3d986
--- /dev/null
+++ b/test/test.sh
@@ -0,0 +1,188 @@
+#!/bin/sh
+
+BACKENDS="EVPORT KQUEUE EPOLL DEVPOLL POLL SELECT WIN32"
+TESTS="test-eof test-closed test-weof test-time test-changelist test-fdleak"
+FAILED=no
+TEST_OUTPUT_FILE=${TEST_OUTPUT_FILE:-/dev/null}
+REGRESS_ARGS=${REGRESS_ARGS:-}
+
+# /bin/echo is a little more likely to support -n than sh's builtin echo,
+# printf is even more likely
+if test "`printf %s hello 2>&1`" = "hello"
+then
+	ECHO_N="printf %s"
+else
+	if test -x /bin/echo
+	then
+		ECHO_N="/bin/echo -n"
+	else
+		ECHO_N="echo -n"
+	fi
+fi
+
+if test "$TEST_OUTPUT_FILE" != "/dev/null"
+then
+	touch "$TEST_OUTPUT_FILE" || exit 1
+fi
+
+TEST_DIR=.
+TEST_SRC_DIR=.
+
+T=`echo "$0" | sed -e 's/test.sh$//'`
+if test -x "$T/test-init"
+then
+	TEST_DIR="$T"
+elif test -x "./test/test-init"
+then
+        TEST_DIR="./test"
+fi
+if test -f "$T/check-dumpevents.py"
+then
+	TEST_SRC_DIR="$T"
+elif test -f "./test/check-dumpevents.py"
+then
+        TEST_SRC_DIR="./test"
+fi
+
+setup () {
+	for i in $BACKENDS; do
+		eval "EVENT_NO$i=yes; export EVENT_NO$i"
+	done
+	unset EVENT_EPOLL_USE_CHANGELIST
+	unset EVENT_PRECISE_TIMER
+}
+
+announce () {
+	echo "$@"
+	echo "$@" >>"$TEST_OUTPUT_FILE"
+}
+
+announce_n () {
+	$ECHO_N "$@"
+	echo "$@" >>"$TEST_OUTPUT_FILE"
+}
+
+
+run_tests () {
+	if $TEST_DIR/test-init 2>>"$TEST_OUTPUT_FILE" ;
+	then
+		true
+	else
+		announce Skipping test
+		return
+	fi
+	for i in $TESTS; do
+		announce_n " $i: "
+		if $TEST_DIR/$i >>"$TEST_OUTPUT_FILE" ;
+		then
+			announce OKAY ;
+		else
+			announce FAILED ;
+			FAILED=yes
+		fi
+	done
+	announce_n " test-dumpevents: "
+	if python2 -c 'import sys; assert(sys.version_info >= (2, 4))' 2>/dev/null && test -f $TEST_SRC_DIR/check-dumpevents.py; then
+	    if $TEST_DIR/test-dumpevents | python2 $TEST_SRC_DIR/check-dumpevents.py >> "$TEST_OUTPUT_FILE" ;
+	    then
+	        announce OKAY ;
+	    else
+	        announce FAILED ;
+	    fi
+	else
+	    # no python
+	    if $TEST_DIR/test-dumpevents >/dev/null; then
+	        announce "OKAY (output not checked)" ;
+	    else
+	        announce "FAILED (output not checked)" ;
+	    fi
+	fi
+
+	test -x $TEST_DIR/regress || return
+	announce_n " regress: "
+	if test "$TEST_OUTPUT_FILE" = "/dev/null" ;
+	then
+		$TEST_DIR/regress --quiet $REGRESS_ARGS
+	else
+		$TEST_DIR/regress $REGRESS_ARGS >>"$TEST_OUTPUT_FILE"
+	fi
+	if test "$?" = "0" ;
+	then
+		announce OKAY ;
+	else
+		announce FAILED ;
+		FAILED=yes
+	fi
+
+	announce_n " regress_debug: "
+	if test "$TEST_OUTPUT_FILE" = "/dev/null" ;
+	then
+		EVENT_DEBUG_MODE=1 $TEST_DIR/regress --quiet $REGRESS_ARGS
+	else
+		EVENT_DEBUG_MODE=1 $TEST_DIR/regress $REGRESS_ARGS >>"$TEST_OUTPUT_FILE"
+	fi
+	if test "$?" = "0" ;
+	then
+		announce OKAY ;
+	else
+		announce FAILED ;
+		FAILED=yes
+	fi
+}
+
+do_test() {
+	setup
+	announce "$1 $2"
+	unset EVENT_NO$1
+	if test "$2" = "(changelist)" ; then
+	    EVENT_EPOLL_USE_CHANGELIST=yes; export EVENT_EPOLL_USE_CHANGELIST
+	elif test "$2" = "(timerfd)" ; then
+	    EVENT_PRECISE_TIMER=1; export EVENT_PRECISE_TIMER
+	elif test "$2" = "(timerfd+changelist)" ; then
+	    EVENT_EPOLL_USE_CHANGELIST=yes; export EVENT_EPOLL_USE_CHANGELIST
+	    EVENT_PRECISE_TIMER=1; export EVENT_PRECISE_TIMER
+        fi
+
+	run_tests
+}
+
+usage()
+{
+	cat <<EOL
+  -b   - specify backends
+  -t   - run timerfd test
+  -c   - run changelist test
+  -T   - run timerfd+changelist test
+EOL
+}
+main()
+{
+	backends=$BACKENDS
+	timerfd=0
+	changelist=0
+	timerfd_changelist=0
+
+	while getopts "b:tcT" c; do
+		case "$c" in
+			b) backends="$OPTARG";;
+			t) timerfd=1;;
+			c) changelist=1;;
+			T) timerfd_changelist=1;;
+			?*) usage && exit 1;;
+		esac
+	done
+
+	announce "Running tests:"
+
+	[ $timerfd -eq 0 ] || do_test EPOLL "(timerfd)"
+	[ $changelist -eq 0 ] || do_test EPOLL "(changelist)"
+	[ $timerfd_changelist -eq 0 ] || do_test EPOLL "(timerfd+changelist)"
+	for i in $backends; do
+		do_test $i
+	done
+
+	if test "$FAILED" = "yes"; then
+		exit 1
+	fi
+}
+main "$@"
diff --git a/test/tinytest.c b/test/tinytest.c
new file mode 100644
index 0000000..3a8e331
--- /dev/null
+++ b/test/tinytest.c
@@ -0,0 +1,493 @@
+/* tinytest.c -- Copyright 2009-2012 Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifdef TINYTEST_LOCAL
+#include "tinytest_local.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#ifndef NO_FORKING
+
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#endif
+
+#if defined(__APPLE__) && defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
+#if (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060 && \
+    __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
+/* Workaround for a stupid bug in OSX 10.6 */
+#define FORK_BREAKS_GCOV
+#include <vproc.h>
+#endif
+#endif
+
+#endif /* !NO_FORKING */
+
+#ifndef __GNUC__
+#define __attribute__(x)
+#endif
+
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+#define LONGEST_TEST_NAME 16384
+
+static int in_tinytest_main = 0; /**< true if we're in tinytest_main().*/
+static int n_ok = 0; /**< Number of tests that have passed */
+static int n_bad = 0; /**< Number of tests that have failed. */
+static int n_skipped = 0; /**< Number of tests that have been skipped. */
+
+static int opt_forked = 0; /**< True iff we're called from inside a win32 fork*/
+static int opt_nofork = 0; /**< Suppress calls to fork() for debugging. */
+static int opt_verbosity = 1; /**< -==quiet,0==terse,1==normal,2==verbose */
+const char *verbosity_flag = "";
+
+const struct testlist_alias_t *cfg_aliases=NULL;
+
+enum outcome { SKIP=2, OK=1, FAIL=0 };
+static enum outcome cur_test_outcome = 0;
+const char *cur_test_prefix = NULL; /**< prefix of the current test group */
+/** Name of the current test, if we haven't logged is yet. Used for --quiet */
+const char *cur_test_name = NULL;
+
+#ifdef _WIN32
+/* Copy of argv[0] for win32. */
+static char commandname[MAX_PATH+1];
+#endif
+
+static void usage(struct testgroup_t *groups, int list_groups)
+  __attribute__((noreturn));
+static int process_test_option(struct testgroup_t *groups, const char *test);
+
+static enum outcome
+testcase_run_bare_(const struct testcase_t *testcase)
+{
+	void *env = NULL;
+	int outcome;
+	if (testcase->setup) {
+		env = testcase->setup->setup_fn(testcase);
+		if (!env)
+			return FAIL;
+		else if (env == (void*)TT_SKIP)
+			return SKIP;
+	}
+
+	cur_test_outcome = OK;
+	testcase->fn(env);
+	outcome = cur_test_outcome;
+
+	if (testcase->setup) {
+		if (testcase->setup->cleanup_fn(testcase, env) == 0)
+			outcome = FAIL;
+	}
+
+	return outcome;
+}
+
+#define MAGIC_EXITCODE 42
+
+#ifndef NO_FORKING
+
+static enum outcome
+testcase_run_forked_(const struct testgroup_t *group,
+		     const struct testcase_t *testcase)
+{
+#ifdef _WIN32
+	/* Fork? On Win32?  How primitive!  We'll do what the smart kids do:
+	   we'll invoke our own exe (whose name we recall from the command
+	   line) with a command line that tells it to run just the test we
+	   want, and this time without forking.
+
+	   (No, threads aren't an option.  The whole point of forking is to
+	   share no state between tests.)
+	 */
+	int ok;
+	char buffer[LONGEST_TEST_NAME+256];
+	STARTUPINFOA si;
+	PROCESS_INFORMATION info;
+	DWORD exitcode;
+
+	if (!in_tinytest_main) {
+		printf("\nERROR.  On Windows, testcase_run_forked_ must be"
+		       " called from within tinytest_main.\n");
+		abort();
+	}
+	if (opt_verbosity>0)
+		printf("[forking] ");
+
+	snprintf(buffer, sizeof(buffer), "%s --RUNNING-FORKED %s %s%s",
+		 commandname, verbosity_flag, group->prefix, testcase->name);
+
+	memset(&si, 0, sizeof(si));
+	memset(&info, 0, sizeof(info));
+	si.cb = sizeof(si);
+
+	ok = CreateProcessA(commandname, buffer, NULL, NULL, 0,
+			   0, NULL, NULL, &si, &info);
+	if (!ok) {
+		printf("CreateProcess failed!\n");
+		return 0;
+	}
+	WaitForSingleObject(info.hProcess, INFINITE);
+	GetExitCodeProcess(info.hProcess, &exitcode);
+	CloseHandle(info.hProcess);
+	CloseHandle(info.hThread);
+	if (exitcode == 0)
+		return OK;
+	else if (exitcode == MAGIC_EXITCODE)
+		return SKIP;
+	else
+		return FAIL;
+#else
+	int outcome_pipe[2];
+	pid_t pid;
+	(void)group;
+
+	if (pipe(outcome_pipe))
+		perror("opening pipe");
+
+	if (opt_verbosity>0)
+		printf("[forking] ");
+	pid = fork();
+#ifdef FORK_BREAKS_GCOV
+	vproc_transaction_begin(0);
+#endif
+	if (!pid) {
+		/* child. */
+		int test_r, write_r;
+		char b[1];
+		close(outcome_pipe[0]);
+		test_r = testcase_run_bare_(testcase);
+		assert(0<=(int)test_r && (int)test_r<=2);
+		b[0] = "NYS"[test_r];
+		write_r = (int)write(outcome_pipe[1], b, 1);
+		if (write_r != 1) {
+			perror("write outcome to pipe");
+			exit(1);
+		}
+		exit(0);
+		return FAIL; /* unreachable */
+	} else {
+		/* parent */
+		int status, r;
+		char b[1];
+		/* Close this now, so that if the other side closes it,
+		 * our read fails. */
+		close(outcome_pipe[1]);
+		r = (int)read(outcome_pipe[0], b, 1);
+		if (r == 0) {
+			printf("[Lost connection!] ");
+			return 0;
+		} else if (r != 1) {
+			perror("read outcome from pipe");
+		}
+		waitpid(pid, &status, 0);
+		close(outcome_pipe[0]);
+		return b[0]=='Y' ? OK : (b[0]=='S' ? SKIP : FAIL);
+	}
+#endif
+}
+
+#endif /* !NO_FORKING */
+
+int
+testcase_run_one(const struct testgroup_t *group,
+		 const struct testcase_t *testcase)
+{
+	enum outcome outcome;
+
+	if (testcase->flags & (TT_SKIP|TT_OFF_BY_DEFAULT)) {
+		if (opt_verbosity>0)
+			printf("%s%s: %s\n",
+			   group->prefix, testcase->name,
+			   (testcase->flags & TT_SKIP) ? "SKIPPED" : "DISABLED");
+		++n_skipped;
+		return SKIP;
+	}
+
+	if (opt_verbosity>0 && !opt_forked) {
+		printf("%s%s: ", group->prefix, testcase->name);
+	} else {
+		if (opt_verbosity==0) printf(".");
+		cur_test_prefix = group->prefix;
+		cur_test_name = testcase->name;
+	}
+
+#ifndef NO_FORKING
+	if ((testcase->flags & TT_FORK) && !(opt_forked||opt_nofork)) {
+		outcome = testcase_run_forked_(group, testcase);
+	} else {
+#else
+	{
+#endif
+		outcome = testcase_run_bare_(testcase);
+	}
+
+	if (outcome == OK) {
+		++n_ok;
+		if (opt_verbosity>0 && !opt_forked)
+			puts(opt_verbosity==1?"OK":"");
+	} else if (outcome == SKIP) {
+		++n_skipped;
+		if (opt_verbosity>0 && !opt_forked)
+			puts("SKIPPED");
+	} else {
+		++n_bad;
+		if (!opt_forked)
+			printf("\n  [%s FAILED]\n", testcase->name);
+	}
+
+	if (opt_forked) {
+		exit(outcome==OK ? 0 : (outcome==SKIP?MAGIC_EXITCODE : 1));
+		return 1; /* unreachable */
+	} else {
+		return (int)outcome;
+	}
+}
+
+int
+tinytest_set_flag_(struct testgroup_t *groups, const char *arg, int set, unsigned long flag)
+{
+	int i, j;
+	size_t length = LONGEST_TEST_NAME;
+	char fullname[LONGEST_TEST_NAME];
+	int found=0;
+	if (strstr(arg, ".."))
+		length = strstr(arg,"..")-arg;
+	for (i=0; groups[i].prefix; ++i) {
+		for (j=0; groups[i].cases[j].name; ++j) {
+			struct testcase_t *testcase = &groups[i].cases[j];
+			snprintf(fullname, sizeof(fullname), "%s%s",
+				 groups[i].prefix, testcase->name);
+			if (!flag) { /* Hack! */
+				printf("    %s", fullname);
+				if (testcase->flags & TT_OFF_BY_DEFAULT)
+					puts("   (Off by default)");
+				else if (testcase->flags & TT_SKIP)
+					puts("  (DISABLED)");
+				else
+					puts("");
+			}
+			if (!strncmp(fullname, arg, length)) {
+				if (set)
+					testcase->flags |= flag;
+				else
+					testcase->flags &= ~flag;
+				++found;
+			}
+		}
+	}
+	return found;
+}
+
+static void
+usage(struct testgroup_t *groups, int list_groups)
+{
+	puts("Options are: [--verbose|--quiet|--terse] [--no-fork]");
+	puts("  Specify tests by name, or using a prefix ending with '..'");
+	puts("  To skip a test, prefix its name with a colon.");
+	puts("  To enable a disabled test, prefix its name with a plus.");
+	puts("  Use --list-tests for a list of tests.");
+	if (list_groups) {
+		puts("Known tests are:");
+		tinytest_set_flag_(groups, "..", 1, 0);
+	}
+	exit(0);
+}
+
+static int
+process_test_alias(struct testgroup_t *groups, const char *test)
+{
+	int i, j, n, r;
+	for (i=0; cfg_aliases && cfg_aliases[i].name; ++i) {
+		if (!strcmp(cfg_aliases[i].name, test)) {
+			n = 0;
+			for (j = 0; cfg_aliases[i].tests[j]; ++j) {
+				r = process_test_option(groups, cfg_aliases[i].tests[j]);
+				if (r<0)
+					return -1;
+				n += r;
+			}
+			return n;
+		}
+	}
+	printf("No such test alias as @%s!",test);
+	return -1;
+}
+
+static int
+process_test_option(struct testgroup_t *groups, const char *test)
+{
+	int flag = TT_ENABLED_;
+	int n = 0;
+	if (test[0] == '@') {
+		return process_test_alias(groups, test + 1);
+	} else if (test[0] == ':') {
+		++test;
+		flag = TT_SKIP;
+	} else if (test[0] == '+') {
+		++test;
+		++n;
+		if (!tinytest_set_flag_(groups, test, 0, TT_OFF_BY_DEFAULT)) {
+			printf("No such test as %s!\n", test);
+			return -1;
+		}
+	} else {
+		++n;
+	}
+	if (!tinytest_set_flag_(groups, test, 1, flag)) {
+		printf("No such test as %s!\n", test);
+		return -1;
+	}
+	return n;
+}
+
+void
+tinytest_set_aliases(const struct testlist_alias_t *aliases)
+{
+	cfg_aliases = aliases;
+}
+
+int
+tinytest_main(int c, const char **v, struct testgroup_t *groups)
+{
+	int i, j, n=0;
+
+#ifdef _WIN32
+	const char *sp = strrchr(v[0], '.');
+	const char *extension = "";
+	if (!sp || stricmp(sp, ".exe"))
+		extension = ".exe"; /* Add an exe so CreateProcess will work */
+	snprintf(commandname, sizeof(commandname), "%s%s", v[0], extension);
+	commandname[MAX_PATH]='\0';
+#endif
+	for (i=1; i<c; ++i) {
+		if (v[i][0] == '-') {
+			if (!strcmp(v[i], "--RUNNING-FORKED")) {
+				opt_forked = 1;
+			} else if (!strcmp(v[i], "--no-fork")) {
+				opt_nofork = 1;
+			} else if (!strcmp(v[i], "--quiet")) {
+				opt_verbosity = -1;
+				verbosity_flag = "--quiet";
+			} else if (!strcmp(v[i], "--verbose")) {
+				opt_verbosity = 2;
+				verbosity_flag = "--verbose";
+			} else if (!strcmp(v[i], "--terse")) {
+				opt_verbosity = 0;
+				verbosity_flag = "--terse";
+			} else if (!strcmp(v[i], "--help")) {
+				usage(groups, 0);
+			} else if (!strcmp(v[i], "--list-tests")) {
+				usage(groups, 1);
+			} else {
+				printf("Unknown option %s.  Try --help\n",v[i]);
+				return -1;
+			}
+		} else {
+			int r = process_test_option(groups, v[i]);
+			if (r<0)
+				return -1;
+			n += r;
+		}
+	}
+	if (!n)
+		tinytest_set_flag_(groups, "..", 1, TT_ENABLED_);
+
+#ifdef _IONBF
+	setvbuf(stdout, NULL, _IONBF, 0);
+#endif
+
+	++in_tinytest_main;
+	for (i=0; groups[i].prefix; ++i)
+		for (j=0; groups[i].cases[j].name; ++j)
+			if (groups[i].cases[j].flags & TT_ENABLED_)
+				testcase_run_one(&groups[i],
+						 &groups[i].cases[j]);
+
+	--in_tinytest_main;
+
+	if (opt_verbosity==0)
+		puts("");
+
+	if (n_bad)
+		printf("%d/%d TESTS FAILED. (%d skipped)\n", n_bad,
+		       n_bad+n_ok,n_skipped);
+	else if (opt_verbosity >= 1)
+		printf("%d tests ok.  (%d skipped)\n", n_ok, n_skipped);
+
+	return (n_bad == 0) ? 0 : 1;
+}
+
+int
+tinytest_get_verbosity_(void)
+{
+	return opt_verbosity;
+}
+
+void
+tinytest_set_test_failed_(void)
+{
+	if (opt_verbosity <= 0 && cur_test_name) {
+		if (opt_verbosity==0) puts("");
+		printf("%s%s: ", cur_test_prefix, cur_test_name);
+		cur_test_name = NULL;
+	}
+	cur_test_outcome = 0;
+}
+
+void
+tinytest_set_test_skipped_(void)
+{
+	if (cur_test_outcome==OK)
+		cur_test_outcome = SKIP;
+}
+
+char *
+tinytest_format_hex_(const void *val_, unsigned long len)
+{
+	const unsigned char *val = val_;
+	char *result, *cp;
+	size_t i;
+
+	if (!val)
+		return strdup("null");
+	if (!(result = malloc(len*2+1)))
+		return strdup("<allocation failure>");
+	cp = result;
+	for (i=0;i<len;++i) {
+		*cp++ = "0123456789ABCDEF"[val[i] >> 4];
+		*cp++ = "0123456789ABCDEF"[val[i] & 0x0f];
+	}
+	*cp = 0;
+	return result;
+}
diff --git a/test/tinytest.h b/test/tinytest.h
new file mode 100644
index 0000000..ed07b26
--- /dev/null
+++ b/test/tinytest.h
@@ -0,0 +1,100 @@
+/* tinytest.h -- Copyright 2009-2012 Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TINYTEST_H_INCLUDED_
+#define TINYTEST_H_INCLUDED_
+
+/** Flag for a test that needs to run in a subprocess. */
+#define TT_FORK  (1<<0)
+/** Runtime flag for a test we've decided to skip. */
+#define TT_SKIP  (1<<1)
+/** Internal runtime flag for a test we've decided to run. */
+#define TT_ENABLED_  (1<<2)
+/** Flag for a test that's off by default. */
+#define TT_OFF_BY_DEFAULT  (1<<3)
+/** If you add your own flags, make them start at this point. */
+#define TT_FIRST_USER_FLAG (1<<4)
+
+typedef void (*testcase_fn)(void *);
+
+struct testcase_t;
+
+/** Functions to initialize/teardown a structure for a testcase. */
+struct testcase_setup_t {
+	/** Return a new structure for use by a given testcase. */
+	void *(*setup_fn)(const struct testcase_t *);
+	/** Clean/free a structure from setup_fn. Return 1 if ok, 0 on err. */
+	int (*cleanup_fn)(const struct testcase_t *, void *);
+};
+
+/** A single test-case that you can run. */
+struct testcase_t {
+	const char *name; /**< An identifier for this case. */
+	testcase_fn fn; /**< The function to run to implement this case. */
+	unsigned long flags; /**< Bitfield of TT_* flags. */
+	const struct testcase_setup_t *setup; /**< Optional setup/cleanup fns*/
+	void *setup_data; /**< Extra data usable by setup function */
+};
+#define END_OF_TESTCASES { NULL, NULL, 0, NULL, NULL }
+
+/** A group of tests that are selectable together. */
+struct testgroup_t {
+	const char *prefix; /**< Prefix to prepend to testnames. */
+	struct testcase_t *cases; /** Array, ending with END_OF_TESTCASES */
+};
+#define END_OF_GROUPS { NULL, NULL}
+
+struct testlist_alias_t {
+	const char *name;
+	const char **tests;
+};
+#define END_OF_ALIASES { NULL, NULL }
+
+/** Implementation: called from a test to indicate failure, before logging. */
+void tinytest_set_test_failed_(void);
+/** Implementation: called from a test to indicate that we're skipping. */
+void tinytest_set_test_skipped_(void);
+/** Implementation: return 0 for quiet, 1 for normal, 2 for loud. */
+int tinytest_get_verbosity_(void);
+/** Implementation: Set a flag on tests matching a name; returns number
+ * of tests that matched. */
+int tinytest_set_flag_(struct testgroup_t *, const char *, int set, unsigned long);
+/** Implementation: Put a chunk of memory into hex. */
+char *tinytest_format_hex_(const void *, unsigned long);
+
+/** Set all tests in 'groups' matching the name 'named' to be skipped. */
+#define tinytest_skip(groups, named) \
+	tinytest_set_flag_(groups, named, 1, TT_SKIP)
+
+/** Run a single testcase in a single group. */
+int testcase_run_one(const struct testgroup_t *,const struct testcase_t *);
+
+void tinytest_set_aliases(const struct testlist_alias_t *aliases);
+
+/** Run a set of testcases from an END_OF_GROUPS-terminated array of groups,
+    as selected from the command line. */
+int tinytest_main(int argc, const char **argv, struct testgroup_t *groups);
+
+#endif
diff --git a/test/tinytest_local.h b/test/tinytest_local.h
new file mode 100644
index 0000000..87ec2fa
--- /dev/null
+++ b/test/tinytest_local.h
@@ -0,0 +1,12 @@
+
+#include "util-internal.h"
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
+#include "event2/util.h"
+
+#ifdef snprintf
+#undef snprintf
+#endif
+#define snprintf evutil_snprintf
diff --git a/test/tinytest_macros.h b/test/tinytest_macros.h
new file mode 100644
index 0000000..2c02a74
--- /dev/null
+++ b/test/tinytest_macros.h
@@ -0,0 +1,205 @@
+/* tinytest_macros.h -- Copyright 2009-2012 Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TINYTEST_MACROS_H_INCLUDED_
+#define TINYTEST_MACROS_H_INCLUDED_
+
+/* Helpers for defining statement-like macros */
+#define TT_STMT_BEGIN do {
+#define TT_STMT_END } while (0)
+
+/* Redefine this if your test functions want to abort with something besides
+ * "goto end;" */
+#ifndef TT_EXIT_TEST_FUNCTION
+#define TT_EXIT_TEST_FUNCTION TT_STMT_BEGIN goto end; TT_STMT_END
+#endif
+
+/* Redefine this if you want to note success/failure in some different way. */
+#ifndef TT_DECLARE
+#define TT_DECLARE(prefix, args)				\
+	TT_STMT_BEGIN						\
+	printf("\n  %s %s:%d: ",prefix,__FILE__,__LINE__);	\
+	printf args ;						\
+	TT_STMT_END
+#endif
+
+/* Announce a failure. Args are parenthesized printf args. */
+#define TT_GRIPE(args) TT_DECLARE("FAIL", args)
+
+/* Announce a non-failure if we're verbose. */
+#define TT_BLATHER(args)						\
+	TT_STMT_BEGIN							\
+	if (tinytest_get_verbosity_()>1) TT_DECLARE("  OK", args);	\
+	TT_STMT_END
+
+#define TT_DIE(args)						\
+	TT_STMT_BEGIN						\
+	tinytest_set_test_failed_();				\
+	TT_GRIPE(args);						\
+	TT_EXIT_TEST_FUNCTION;					\
+	TT_STMT_END
+
+#define TT_FAIL(args)				\
+	TT_STMT_BEGIN						\
+	tinytest_set_test_failed_();				\
+	TT_GRIPE(args);						\
+	TT_STMT_END
+
+/* Fail and abort the current test for the reason in msg */
+#define tt_abort_printf(msg) TT_DIE(msg)
+#define tt_abort_perror(op) TT_DIE(("%s: %s [%d]",(op),strerror(errno), errno))
+#define tt_abort_msg(msg) TT_DIE(("%s", msg))
+#define tt_abort() TT_DIE(("%s", "(Failed.)"))
+
+/* Fail but do not abort the current test for the reason in msg. */
+#define tt_failprint_f(msg) TT_FAIL(msg)
+#define tt_fail_perror(op) TT_FAIL(("%s: %s [%d]",(op),strerror(errno), errno))
+#define tt_fail_msg(msg) TT_FAIL(("%s", msg))
+#define tt_fail() TT_FAIL(("%s", "(Failed.)"))
+
+/* End the current test, and indicate we are skipping it. */
+#define tt_skip()						\
+	TT_STMT_BEGIN						\
+	tinytest_set_test_skipped_();				\
+	TT_EXIT_TEST_FUNCTION;					\
+	TT_STMT_END
+
+#define tt_want_(b, msg, fail)				\
+	TT_STMT_BEGIN					\
+	if (!(b)) {					\
+		tinytest_set_test_failed_();		\
+		TT_GRIPE(("%s",msg));			\
+		fail;					\
+	} else {					\
+		TT_BLATHER(("%s",msg));			\
+	}						\
+	TT_STMT_END
+
+/* Assert b, but do not stop the test if b fails.  Log msg on failure. */
+#define tt_want_msg(b, msg)			\
+	tt_want_(b, msg, );
+
+/* Assert b and stop the test if b fails.  Log msg on failure. */
+#define tt_assert_msg(b, msg)			\
+	tt_want_(b, msg, TT_EXIT_TEST_FUNCTION);
+
+/* Assert b, but do not stop the test if b fails. */
+#define tt_want(b)   tt_want_msg( (b), "want("#b")")
+/* Assert b, and stop the test if b fails. */
+#define tt_assert(b) tt_assert_msg((b), "assert("#b")")
+
+#define tt_assert_test_fmt_type(a,b,str_test,type,test,printf_type,printf_fmt, \
+    setup_block,cleanup_block,die_on_fail)				\
+	TT_STMT_BEGIN							\
+	type val1_ = (a);						\
+	type val2_ = (b);						\
+	int tt_status_ = (test);					\
+	if (!tt_status_ || tinytest_get_verbosity_()>1)	{		\
+		printf_type print_;					\
+		printf_type print1_;					\
+		printf_type print2_;					\
+		type value_ = val1_;					\
+		setup_block;						\
+		print1_ = print_;					\
+		value_ = val2_;						\
+		setup_block;						\
+		print2_ = print_;					\
+		TT_DECLARE(tt_status_?"	 OK":"FAIL",			\
+			   ("assert(%s): "printf_fmt" vs "printf_fmt,	\
+			    str_test, print1_, print2_));		\
+		print_ = print1_;					\
+		cleanup_block;						\
+		print_ = print2_;					\
+		cleanup_block;						\
+		if (!tt_status_) {					\
+			tinytest_set_test_failed_();			\
+			die_on_fail ;					\
+		}							\
+	}								\
+	TT_STMT_END
+
+#define tt_assert_test_type(a,b,str_test,type,test,fmt,die_on_fail)	\
+	tt_assert_test_fmt_type(a,b,str_test,type,test,type,fmt,	\
+	    {print_=value_;},{},die_on_fail)
+
+#define tt_assert_test_type_opt(a,b,str_test,type,test,fmt,die_on_fail)	\
+	tt_assert_test_fmt_type(a,b,str_test,type,test,type,fmt,	\
+            {print_=value_?value_:"<NULL>";},{},die_on_fail)
+
+/* Helper: assert that a op b, when cast to type.  Format the values with
+ * printf format fmt on failure. */
+#define tt_assert_op_type(a,op,b,type,fmt)				\
+	tt_assert_test_type(a,b,#a" "#op" "#b,type,(val1_ op val2_),fmt, \
+	    TT_EXIT_TEST_FUNCTION)
+
+#define tt_int_op(a,op,b)			\
+	tt_assert_test_type(a,b,#a" "#op" "#b,long,(val1_ op val2_), \
+	    "%ld",TT_EXIT_TEST_FUNCTION)
+
+#define tt_uint_op(a,op,b)						\
+	tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long,		\
+	    (val1_ op val2_),"%lu",TT_EXIT_TEST_FUNCTION)
+
+#define tt_ptr_op(a,op,b)						\
+	tt_assert_test_type(a,b,#a" "#op" "#b,const void*,              \
+	    (val1_ op val2_),"%p",TT_EXIT_TEST_FUNCTION)
+
+/** XXX: have some issues with printing this non-NUL terminated strings */
+#define tt_nstr_op(n,a,op,b)						\
+	tt_assert_test_type_opt(a,b,#a" "#op" "#b,const char *,		\
+	    (val1_ && val2_ && strncmp(val1_,val2_,(n)) op 0),"<%s>",	\
+	    TT_EXIT_TEST_FUNCTION)
+
+#define tt_str_op(a,op,b)						\
+	tt_assert_test_type_opt(a,b,#a" "#op" "#b,const char *,		\
+	    (val1_ && val2_ && strcmp(val1_,val2_) op 0),"<%s>",	\
+	    TT_EXIT_TEST_FUNCTION)
+
+#define tt_mem_op(expr1, op, expr2, len)                                \
+  tt_assert_test_fmt_type(expr1,expr2,#expr1" "#op" "#expr2,            \
+			  const void *,                                 \
+			  (val1_ && val2_ && memcmp(val1_, val2_, len) op 0), \
+			  char *, "%s",					\
+			  { print_ = tinytest_format_hex_(value_, (len)); }, \
+			  { if (print_) free(print_); },		\
+			  TT_EXIT_TEST_FUNCTION				\
+                          );
+
+#define tt_want_int_op(a,op,b)						\
+	tt_assert_test_type(a,b,#a" "#op" "#b,long,(val1_ op val2_),"%ld",(void)0)
+
+#define tt_want_uint_op(a,op,b)						\
+	tt_assert_test_type(a,b,#a" "#op" "#b,unsigned long,		\
+	    (val1_ op val2_),"%lu",(void)0)
+
+#define tt_want_ptr_op(a,op,b)						\
+  tt_assert_test_type(a,b,#a" "#op" "#b,const void*,			\
+	    (val1_ op val2_),"%p",(void)0)
+
+#define tt_want_str_op(a,op,b)						\
+	tt_assert_test_type(a,b,#a" "#op" "#b,const char *,		\
+	    (strcmp(val1_,val2_) op 0),"<%s>",(void)0)
+
+#endif
diff --git a/time-internal.h b/time-internal.h
new file mode 100644
index 0000000..2c584fa
--- /dev/null
+++ b/time-internal.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
+ * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef TIME_INTERNAL_H_INCLUDED_
+#define TIME_INTERNAL_H_INCLUDED_
+
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef EVENT__HAVE_MACH_MACH_TIME_H
+/* For mach_timebase_info */
+#include <mach/mach_time.h>
+#endif
+
+#include <time.h>
+
+#include "event2/util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(EVENT__HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+#define HAVE_POSIX_MONOTONIC
+#elif defined(EVENT__HAVE_MACH_ABSOLUTE_TIME)
+#define HAVE_MACH_MONOTONIC
+#elif defined(_WIN32)
+#define HAVE_WIN32_MONOTONIC
+#else
+#define HAVE_FALLBACK_MONOTONIC
+#endif
+
+long evutil_tv_to_msec_(const struct timeval *tv);
+void evutil_usleep_(const struct timeval *tv);
+
+#ifdef _WIN32
+typedef ULONGLONG (WINAPI *ev_GetTickCount_func)(void);
+#endif
+
+struct evutil_monotonic_timer {
+
+#ifdef HAVE_MACH_MONOTONIC
+	struct mach_timebase_info mach_timebase_units;
+#endif
+
+#ifdef HAVE_POSIX_MONOTONIC
+	int monotonic_clock;
+#endif
+
+#ifdef HAVE_WIN32_MONOTONIC
+	ev_GetTickCount_func GetTickCount64_fn;
+	ev_GetTickCount_func GetTickCount_fn;
+	ev_uint64_t last_tick_count;
+	ev_uint64_t adjust_tick_count;
+
+	ev_uint64_t first_tick;
+	ev_uint64_t first_counter;
+	double usec_per_count;
+	int use_performance_counter;
+#endif
+
+	struct timeval adjust_monotonic_clock;
+	struct timeval last_time;
+};
+
+int evutil_configure_monotonic_time_(struct evutil_monotonic_timer *mt,
+    int flags);
+int evutil_gettime_monotonic_(struct evutil_monotonic_timer *mt, struct timeval *tv);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* EVENT_INTERNAL_H_INCLUDED_ */
diff --git a/util-internal.h b/util-internal.h
index 01ebc17..38d0f59 100644
--- a/util-internal.h
+++ b/util-internal.h
@@ -23,21 +23,27 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT_UTIL_INTERNAL_H
-#define _EVENT_UTIL_INTERNAL_H
+#ifndef UTIL_INTERNAL_H_INCLUDED_
+#define UTIL_INTERNAL_H_INCLUDED_
 
 #include "event2/event-config.h"
+#include "evconfig-private.h"
+
 #include <errno.h>
 
 /* For EVUTIL_ASSERT */
 #include "log-internal.h"
 #include <stdio.h>
 #include <stdlib.h>
-#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#ifdef EVENT__HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
+#ifdef EVENT__HAVE_SYS_EVENTFD_H
+#include <sys/eventfd.h>
+#endif
 #include "event2/util.h"
 
+#include "time-internal.h"
 #include "ipv6-internal.h"
 
 #ifdef __cplusplus
@@ -45,21 +51,21 @@
 #endif
 
 /* If we need magic to say "inline", get it for free internally. */
-#ifdef _EVENT_inline
-#define inline _EVENT_inline
+#ifdef EVENT__inline
+#define inline EVENT__inline
 #endif
-#ifdef _EVENT___func__
-#define __func__ _EVENT___func__
+#if defined(EVENT____func__) && !defined(__func__)
+#define __func__ EVENT____func__
 #endif
 
 /* A good no-op to use in macro definitions. */
-#define _EVUTIL_NIL_STMT ((void)0)
+#define EVUTIL_NIL_STMT_ ((void)0)
 /* A no-op that tricks the compiler into thinking a condition is used while
  * definitely not making any code for it.  Used to compile out asserts while
  * avoiding "unused variable" warnings.  The "!" forces the compiler to
  * do the sizeof() on an int, in case "condition" is a bitfield value.
  */
-#define _EVUTIL_NIL_CONDITION(condition) do { \
+#define EVUTIL_NIL_CONDITION_(condition) do { \
 	(void)sizeof(!(condition));  \
 } while(0)
 
@@ -71,23 +77,35 @@
    data," and we need to look at the error code.  Second, Windows defines
    a different set of error codes for sockets. */
 
-#ifndef WIN32
+#ifndef _WIN32
+
+#if EAGAIN == EWOULDBLOCK
+#define EVUTIL_ERR_IS_EAGAIN(e) \
+	((e) == EAGAIN)
+#else
+#define EVUTIL_ERR_IS_EAGAIN(e) \
+	((e) == EAGAIN || (e) == EWOULDBLOCK)
+#endif
 
 /* True iff e is an error that means a read/write operation can be retried. */
 #define EVUTIL_ERR_RW_RETRIABLE(e)				\
-	((e) == EINTR || (e) == EAGAIN)
+	((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e))
 /* True iff e is an error that means an connect can be retried. */
 #define EVUTIL_ERR_CONNECT_RETRIABLE(e)			\
 	((e) == EINTR || (e) == EINPROGRESS)
 /* True iff e is an error that means a accept can be retried. */
 #define EVUTIL_ERR_ACCEPT_RETRIABLE(e)			\
-	((e) == EINTR || (e) == EAGAIN || (e) == ECONNABORTED)
+	((e) == EINTR || EVUTIL_ERR_IS_EAGAIN(e) || (e) == ECONNABORTED)
 
 /* True iff e is an error that means the connection was refused */
 #define EVUTIL_ERR_CONNECT_REFUSED(e)					\
 	((e) == ECONNREFUSED)
 
 #else
+/* Win32 */
+
+#define EVUTIL_ERR_IS_EAGAIN(e) \
+	((e) == WSAEWOULDBLOCK || (e) == EAGAIN)
 
 #define EVUTIL_ERR_RW_RETRIABLE(e)					\
 	((e) == WSAEWOULDBLOCK ||					\
@@ -107,10 +125,6 @@
 
 #endif
 
-#ifdef _EVENT_socklen_t
-#define socklen_t _EVENT_socklen_t
-#endif
-
 /* Arguments for shutdown() */
 #ifdef SHUT_RD
 #define EVUTIL_SHUT_RD SHUT_RD
@@ -120,7 +134,7 @@
 #ifdef SHUT_WR
 #define EVUTIL_SHUT_WR SHUT_WR
 #else
-#define EVUTIL_SHUT_WR 1
+#define EVUTIL_SHUT_WR 1 /* SD_SEND */
 #endif
 #ifdef SHUT_BOTH
 #define EVUTIL_SHUT_BOTH SHUT_BOTH
@@ -128,20 +142,98 @@
 #define EVUTIL_SHUT_BOTH 2
 #endif
 
+/* Helper: Verify that all the elements in 'dlist' are internally consistent.
+ * Checks for circular lists and bad prev/next pointers.
+ *
+ * Example usage:
+ *    EVUTIL_ASSERT_LIST_OK(eventlist, event, ev_next);
+ */
+#define EVUTIL_ASSERT_LIST_OK(dlist, type, field) do {			\
+		struct type *elm1, *elm2, **nextp;			\
+		if (LIST_EMPTY((dlist)))				\
+			break;						\
+									\
+		/* Check list for circularity using Floyd's */		\
+		/* 'Tortoise and Hare' algorithm */			\
+		elm1 = LIST_FIRST((dlist));				\
+		elm2 = LIST_NEXT(elm1, field);				\
+		while (elm1 && elm2) {					\
+			EVUTIL_ASSERT(elm1 != elm2);			\
+			elm1 = LIST_NEXT(elm1, field);			\
+			elm2 = LIST_NEXT(elm2, field);			\
+			if (!elm2)					\
+				break;					\
+			EVUTIL_ASSERT(elm1 != elm2);			\
+			elm2 = LIST_NEXT(elm2, field);			\
+		}							\
+									\
+		/* Now check next and prev pointers for consistency. */ \
+		nextp = &LIST_FIRST((dlist));				\
+		elm1 = LIST_FIRST((dlist));				\
+		while (elm1) {						\
+			EVUTIL_ASSERT(*nextp == elm1);			\
+			EVUTIL_ASSERT(nextp == elm1->field.le_prev);	\
+			nextp = &LIST_NEXT(elm1, field);		\
+			elm1 = *nextp;					\
+		}							\
+	} while (0)
+
+/* Helper: Verify that all the elements in a TAILQ are internally consistent.
+ * Checks for circular lists and bad prev/next pointers.
+ *
+ * Example usage:
+ *    EVUTIL_ASSERT_TAILQ_OK(activelist, event, ev_active_next);
+ */
+#define EVUTIL_ASSERT_TAILQ_OK(tailq, type, field) do {			\
+		struct type *elm1, *elm2, **nextp;			\
+		if (TAILQ_EMPTY((tailq)))				\
+			break;						\
+									\
+		/* Check list for circularity using Floyd's */		\
+		/* 'Tortoise and Hare' algorithm */			\
+		elm1 = TAILQ_FIRST((tailq));				\
+		elm2 = TAILQ_NEXT(elm1, field);				\
+		while (elm1 && elm2) {					\
+			EVUTIL_ASSERT(elm1 != elm2);			\
+			elm1 = TAILQ_NEXT(elm1, field);			\
+			elm2 = TAILQ_NEXT(elm2, field);			\
+			if (!elm2)					\
+				break;					\
+			EVUTIL_ASSERT(elm1 != elm2);			\
+			elm2 = TAILQ_NEXT(elm2, field);			\
+		}							\
+									\
+		/* Now check next and prev pointers for consistency. */ \
+		nextp = &TAILQ_FIRST((tailq));				\
+		elm1 = TAILQ_FIRST((tailq));				\
+		while (elm1) {						\
+			EVUTIL_ASSERT(*nextp == elm1);			\
+			EVUTIL_ASSERT(nextp == elm1->field.tqe_prev);	\
+			nextp = &TAILQ_NEXT(elm1, field);		\
+			elm1 = *nextp;					\
+		}							\
+		EVUTIL_ASSERT(nextp == (tailq)->tqh_last);		\
+	} while (0)
+
 /* Locale-independent replacements for some ctypes functions.  Use these
  * when you care about ASCII's notion of character types, because you are about
  * to send those types onto the wire.
  */
-int EVUTIL_ISALPHA(char c);
-int EVUTIL_ISALNUM(char c);
-int EVUTIL_ISSPACE(char c);
-int EVUTIL_ISDIGIT(char c);
-int EVUTIL_ISXDIGIT(char c);
-int EVUTIL_ISPRINT(char c);
-int EVUTIL_ISLOWER(char c);
-int EVUTIL_ISUPPER(char c);
-char EVUTIL_TOUPPER(char c);
-char EVUTIL_TOLOWER(char c);
+int EVUTIL_ISALPHA_(char c);
+int EVUTIL_ISALNUM_(char c);
+int EVUTIL_ISSPACE_(char c);
+int EVUTIL_ISDIGIT_(char c);
+int EVUTIL_ISXDIGIT_(char c);
+int EVUTIL_ISPRINT_(char c);
+int EVUTIL_ISLOWER_(char c);
+int EVUTIL_ISUPPER_(char c);
+char EVUTIL_TOUPPER_(char c);
+char EVUTIL_TOLOWER_(char c);
+
+/** Remove all trailing horizontal whitespace (space or tab) from the end of a
+ * string */
+void evutil_rtrim_lws_(char *);
+
 
 /** Helper macro.  If we know that a given pointer points to a field in a
     structure, return a pointer to the structure itself.  Used to implement
@@ -164,23 +256,49 @@
 /* As open(pathname, flags, mode), except that the file is always opened with
  * the close-on-exec flag set. (And the mode argument is mandatory.)
  */
-int evutil_open_closeonexec(const char *pathname, int flags, unsigned mode);
+int evutil_open_closeonexec_(const char *pathname, int flags, unsigned mode);
 
-int evutil_read_file(const char *filename, char **content_out, size_t *len_out,
+int evutil_read_file_(const char *filename, char **content_out, size_t *len_out,
     int is_binary);
 
-int evutil_socket_connect(evutil_socket_t *fd_ptr, struct sockaddr *sa, int socklen);
+int evutil_socket_connect_(evutil_socket_t *fd_ptr, const struct sockaddr *sa, int socklen);
 
-int evutil_socket_finished_connecting(evutil_socket_t fd);
+int evutil_socket_finished_connecting_(evutil_socket_t fd);
 
-int evutil_ersatz_socketpair(int, int , int, evutil_socket_t[]);
+int evutil_ersatz_socketpair_(int, int , int, evutil_socket_t[]);
 
-int evutil_resolve(int family, const char *hostname, struct sockaddr *sa,
+int evutil_resolve_(int family, const char *hostname, struct sockaddr *sa,
     ev_socklen_t *socklen, int port);
 
-const char *evutil_getenv(const char *name);
+const char *evutil_getenv_(const char *name);
 
-long _evutil_weakrand(void);
+/* Structure to hold the state of our weak random number generator.
+ */
+struct evutil_weakrand_state {
+	ev_uint32_t seed;
+};
+
+#define EVUTIL_WEAKRAND_MAX EV_INT32_MAX
+
+/* Initialize the state of a week random number generator based on 'seed'.  If
+ * the seed is 0, construct a new seed based on not-very-strong platform
+ * entropy, like the PID and the time of day.
+ *
+ * This function, and the other evutil_weakrand* functions, are meant for
+ * speed, not security or statistical strength.  If you need a RNG which an
+ * attacker can't predict, or which passes strong statistical tests, use the
+ * evutil_secure_rng* functions instead.
+ */
+ev_uint32_t evutil_weakrand_seed_(struct evutil_weakrand_state *state, ev_uint32_t seed);
+/* Return a pseudorandom value between 0 and EVUTIL_WEAKRAND_MAX inclusive.
+ * Updates the state in 'seed' as needed -- this value must be protected by a
+ * lock.
+ */
+ev_int32_t evutil_weakrand_(struct evutil_weakrand_state *seed);
+/* Return a pseudorandom value x such that 0 <= x < top. top must be no more
+ * than EVUTIL_WEAKRAND_MAX. Updates the state in 'seed' as needed -- this
+ * value must be proteced by a lock */
+ev_int32_t evutil_weakrand_range_(struct evutil_weakrand_state *seed, ev_int32_t top);
 
 /* Evaluates to the same boolean value as 'p', and hints to the compiler that
  * we expect this value to be false. */
@@ -192,13 +310,13 @@
 
 /* Replacement for assert() that calls event_errx on failure. */
 #ifdef NDEBUG
-#define EVUTIL_ASSERT(cond) _EVUTIL_NIL_CONDITION(cond)
+#define EVUTIL_ASSERT(cond) EVUTIL_NIL_CONDITION_(cond)
 #define EVUTIL_FAILURE_CHECK(cond) 0
 #else
 #define EVUTIL_ASSERT(cond)						\
 	do {								\
 		if (EVUTIL_UNLIKELY(!(cond))) {				\
-			event_errx(_EVENT_ERR_ABORT,			\
+			event_errx(EVENT_ERR_ABORT_,			\
 			    "%s:%d: Assertion %s failed in %s",		\
 			    __FILE__,__LINE__,#cond,__func__);		\
 			/* In case a user-supplied handler tries to */	\
@@ -212,7 +330,7 @@
 #define EVUTIL_FAILURE_CHECK(cond) EVUTIL_UNLIKELY(cond)
 #endif
 
-#ifndef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE
+#ifndef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE
 /* Replacement for sockaddr storage that we can use internally on platforms
  * that lack it.  It is not space-efficient, but neither is sockaddr_storage.
  */
@@ -228,7 +346,7 @@
 #endif
 
 /* Internal addrinfo error code.  This one is returned from only from
- * evutil_getaddrinfo_common, when we are sure that we'll have to hit a DNS
+ * evutil_getaddrinfo_common_, when we are sure that we'll have to hit a DNS
  * server. */
 #define EVUTIL_EAI_NEED_RESOLVE      -90002
 
@@ -239,25 +357,29 @@
     const char *nodename, const char *servname,
     const struct evutil_addrinfo *hints_in,
     void (*cb)(int, struct evutil_addrinfo *, void *), void *arg);
+void evutil_set_evdns_getaddrinfo_fn_(evdns_getaddrinfo_fn fn);
+typedef void (*evdns_getaddrinfo_cancel_fn)(
+    struct evdns_getaddrinfo_request *req);
+void evutil_set_evdns_getaddrinfo_cancel_fn_(evdns_getaddrinfo_cancel_fn fn);
 
-void evutil_set_evdns_getaddrinfo_fn(evdns_getaddrinfo_fn fn);
-
-struct evutil_addrinfo *evutil_new_addrinfo(struct sockaddr *sa,
+struct evutil_addrinfo *evutil_new_addrinfo_(struct sockaddr *sa,
     ev_socklen_t socklen, const struct evutil_addrinfo *hints);
-struct evutil_addrinfo *evutil_addrinfo_append(struct evutil_addrinfo *first,
+struct evutil_addrinfo *evutil_addrinfo_append_(struct evutil_addrinfo *first,
     struct evutil_addrinfo *append);
-void evutil_adjust_hints_for_addrconfig(struct evutil_addrinfo *hints);
-int evutil_getaddrinfo_common(const char *nodename, const char *servname,
+void evutil_adjust_hints_for_addrconfig_(struct evutil_addrinfo *hints);
+int evutil_getaddrinfo_common_(const char *nodename, const char *servname,
     struct evutil_addrinfo *hints, struct evutil_addrinfo **res, int *portnum);
 
-int evutil_getaddrinfo_async(struct evdns_base *dns_base,
+struct evdns_getaddrinfo_request *evutil_getaddrinfo_async_(
+    struct evdns_base *dns_base,
     const char *nodename, const char *servname,
     const struct evutil_addrinfo *hints_in,
     void (*cb)(int, struct evutil_addrinfo *, void *), void *arg);
+void evutil_getaddrinfo_cancel_async_(struct evdns_getaddrinfo_request *data);
 
 /** Return true iff sa is a looback address. (That is, it is 127.0.0.1/8, or
  * ::1). */
-int evutil_sockaddr_is_loopback(const struct sockaddr *sa);
+int evutil_sockaddr_is_loopback_(const struct sockaddr *sa);
 
 
 /**
@@ -265,14 +387,16 @@
     Returns a pointer to out.  Always writes something into out, so it's safe
     to use the output of this function without checking it for NULL.
  */
-const char *evutil_format_sockaddr_port(const struct sockaddr *sa, char *out, size_t outlen);
+const char *evutil_format_sockaddr_port_(const struct sockaddr *sa, char *out, size_t outlen);
 
-long evutil_tv_to_msec(const struct timeval *tv);
+int evutil_hex_char_to_int_(char c);
 
-int evutil_hex_char_to_int(char c);
 
-#ifdef WIN32
-HANDLE evutil_load_windows_system_library(const TCHAR *library_name);
+void evutil_free_secure_rng_globals_(void);
+void evutil_free_globals_(void);
+
+#ifdef _WIN32
+HMODULE evutil_load_windows_system_library_(const TCHAR *library_name);
 #endif
 
 #ifndef EV_SIZE_FMT
@@ -297,7 +421,7 @@
 #define EV_SOCK_ARG(x) (x)
 #endif
 
-#if defined(__STDC__) && defined(__STDC_VERSION__)
+#if defined(__STDC__) && defined(__STDC_VERSION__) && !defined(__MINGW64_VERSION_MAJOR)
 #if (__STDC_VERSION__ >= 199901L)
 #define EV_SIZE_FMT "%zu"
 #define EV_SSIZE_FMT "%zd"
@@ -307,7 +431,7 @@
 #endif
 
 #ifndef EV_SIZE_FMT
-#if (_EVENT_SIZEOF_SIZE_T <= _EVENT_SIZEOF_LONG)
+#if (EVENT__SIZEOF_SIZE_T <= EVENT__SIZEOF_LONG)
 #define EV_SIZE_FMT "%lu"
 #define EV_SSIZE_FMT "%ld"
 #define EV_SIZE_ARG(x) ((unsigned long)(x))
@@ -320,6 +444,36 @@
 #endif
 #endif
 
+evutil_socket_t evutil_socket_(int domain, int type, int protocol);
+evutil_socket_t evutil_accept4_(evutil_socket_t sockfd, struct sockaddr *addr,
+    ev_socklen_t *addrlen, int flags);
+
+    /* used by one of the test programs.. */
+EVENT2_EXPORT_SYMBOL
+int evutil_make_internal_pipe_(evutil_socket_t fd[2]);
+evutil_socket_t evutil_eventfd_(unsigned initval, int flags);
+
+#ifdef SOCK_NONBLOCK
+#define EVUTIL_SOCK_NONBLOCK SOCK_NONBLOCK
+#else
+#define EVUTIL_SOCK_NONBLOCK 0x4000000
+#endif
+#ifdef SOCK_CLOEXEC
+#define EVUTIL_SOCK_CLOEXEC SOCK_CLOEXEC
+#else
+#define EVUTIL_SOCK_CLOEXEC 0x80000000
+#endif
+#ifdef EFD_NONBLOCK
+#define EVUTIL_EFD_NONBLOCK EFD_NONBLOCK
+#else
+#define EVUTIL_EFD_NONBLOCK 0x4000
+#endif
+#ifdef EFD_CLOEXEC
+#define EVUTIL_EFD_CLOEXEC EFD_CLOEXEC
+#else
+#define EVUTIL_EFD_CLOEXEC 0x8000
+#endif
+
 void evutil_memclear_(void *mem, size_t len);
 
 #ifdef __cplusplus
diff --git a/whatsnew-2.0.txt b/whatsnew-2.0.txt
index be0c71b..3561fcb 100644
--- a/whatsnew-2.0.txt
+++ b/whatsnew-2.0.txt
@@ -358,7 +358,7 @@
   any means provided to create an evbuffer except via evbuffer_new which
   heap-allocated the buffer.
 
-  If you need access to the whole bufer as a linear chunk of memory, the
+  If you need access to the whole buffer as a linear chunk of memory, the
   EVBUFFER_DATA() function still works.  Watch out, though: it needs to copy
   the buffer's contents in a linear chunk before you can use it.
 
diff --git a/whatsnew-2.1.txt b/whatsnew-2.1.txt
new file mode 100644
index 0000000..c1f4df8
--- /dev/null
+++ b/whatsnew-2.1.txt
@@ -0,0 +1,768 @@
+                         What's new in Libevent 2.1
+                             Nick Mathewson
+
+0. Before we start
+
+0.1. About this document
+
+  This document describes the key differences between Libevent 2.0 and
+  Libevent 2.1, from a user's point of view.  It's a work in progress.
+
+  For better documentation about libevent, see the links at
+  http://libevent.org/
+
+  Libevent 2.1 would not be possible without the generous help of
+  numerous volunteers.  For a list of who did what in Libevent 2.1,
+  please see the ChangeLog!
+
+  NOTE: I am very sure that I missed some thing on this list.  Caveat
+  haxxor.
+
+0.2. Where to get help
+
+  Try looking at the other documentation too.  All of the header files
+  have documentation in the doxygen format; this gets turned into nice
+  HTML and linked to from the libevent.org website.
+
+  There is a work-in-progress book with reference manual at
+  http://www.wangafu.net/~nickm/libevent-book/ .
+
+  You can ask questions on the #libevent IRC channel at irc.oftc.net or
+  on the mailing list at libevent-users@freehaven.net.  The mailing list
+  is subscribers-only, so you will need to subscribe before you post.
+
+0.3. Compatibility
+
+  Our source-compatibility policy is that correct code (that is to say,
+  code that uses public interfaces of Libevent and relies only on their
+  documented behavior) should have forward source compatibility: any
+  such code that worked with a previous version of Libevent should work
+  with this version too.
+
+  We don't try to do binary compatibility except within stable release
+  series, so binaries linked against any version of Libevent 2.0 will
+  probably need to be recompiled against Libevent 2.1.4-alpha if you
+  want to use it.  It is probable that we'll break binary compatibility
+  again before Libevent 2.1 is stable.
+
+1. New APIs and features
+
+1.1. New ways to build libevent
+
+  We now provide an --enable-gcc-hardening configure option to turn on
+  GCC features designed for increased code security.
+
+  There is also an --enable-silent-rules configure option to make
+  compilation run more quietly with automake 1.11 or later.
+
+  You no longer need to use the --enable-gcc-warnings option to turn on
+  all of the GCC warnings that Libevent uses.  The only change from
+  using that option now is to turn warnings into errors.
+
+  For IDE users, files that are not supposed to be built are now
+  surrounded with appropriate #ifdef lines to keep your IDE from getting
+  upset.
+
+  There is now an alternative cmake-based build process; cmake users
+  should see the relevant sections in the README.
+
+
+1.2. New functions for events and the event loop
+
+  If you're running Libevent with multiple event priorities, you might
+  want to make sure that Libevent checks for new events frequently, so
+  that time-consuming or numerous low-priority events don't keep it from
+  checking for new high-priority events.  You can now use the
+  event_config_set_max_dispatch_interval() interface to ensure that the
+  loop checks for new events either every N microseconds, every M
+  callbacks, or both.
+
+  When configuring an event base, you can now choose whether you want
+  timers to be more efficient, or more precise.  (This only has effect
+  on Linux for now.)  Timers are efficient by default: to select more
+  precise timers, use the EVENT_BASE_FLAG_PRECISE_TIMER flag when
+  constructing the event_config, or set the EVENT_PRECISE_TIMER
+  environment variable to a non-empty string.
+
+  There is an EVLOOP_NO_EXIT_ON_EMPTY flag that tells event_base_loop()
+  to keep looping even when there are no pending events.  (Ordinarily,
+  event_base_loop() will exit as soon as no events are pending.)
+
+  Past versions of Libevent have been annoying to use with some
+  memory-leak-checking tools, because Libevent allocated some global
+  singletons but provided no means to free them.  There is now a
+  function, libevent_global_shutdown(), that you can use to free all
+  globally held resources before exiting, so that your leak-check tools
+  don't complain.  (Note: this function doesn't free non-global things
+  like events, bufferevents, and so on; and it doesn't free anything
+  that wouldn't otherwise get cleaned up by the operating system when
+  your process exit()s.  If you aren't using a leak-checking tool, there
+  is not much reason to call libevent_global_shutdown().)
+
+  There is a new event_base_get_npriorities() function to return the
+  number of priorities set in the event base.
+
+  Libevent 2.0 added an event_new() function to construct a new struct
+  event on the heap.  Unfortunately, with event_new(), there was no
+  equivalent for:
+
+         struct event ev;
+         event_assign(&ev, base, fd, EV_READ, callback, &ev);
+
+  In other words, there was no easy way for event_new() to set up an
+  event so that the event itself would be its callback argument.
+  Libevent 2.1 lets you do this by passing "event_self_cbarg()" as the
+  callback argument:
+
+         struct event *evp;
+         evp = event_new(base, fd, EV_READ, callback,
+         event_self_cbarg());
+
+  There's also a new event_base_get_running_event() function you can
+  call from within a Libevent callback to get a pointer to the current
+  event.  This should never be strictly necessary, but it's sometimes
+  convenient.
+
+  The event_base_once() function used to leak some memory if the event
+  that it added was never actually triggered.  Now, its memory is
+  tracked in the event_base and freed when the event_base is freed.
+  Note however that Libevent doesn't know how to free any information
+  passed as the callback argument to event_base_once is still something
+  you'll might need a way to de-allocate yourself.
+
+  There is an event_get_priority() function to return an event's
+  priority.
+
+  By analogy to event_base_loopbreak(), there is now an
+  event_base_loopcontinue() that tells Libevent to stop processing
+  active event callbacks, and re-scan for new events right away.
+
+  There's a function, event_base_foreach_event(), that can iterate over
+  every event currently pending or active on an event base, and invoke a
+  user-supplied callback on each. The callback must not alter the events
+  or add or remove anything to the event base.
+
+  We now have an event_remove_timer() function to remove the timeout on
+  an event while leaving its socket and/or signal triggers unchanged.
+  (If we were designing the API from scratch, this would be the behavior
+  of "event_add(ev, NULL)" on an already-added event with a timeout. But
+  that's a no-op in past versions of Libevent, and we don't want to
+  break compatibility.)
+
+  You can use the new event_base_get_num_events() function to find the
+  number of events active or pending on an event_base. To find the
+  largest number of events that there have been since the last call, use
+  event_base_get_max_events().
+
+  You can now activate all the events waiting for a given fd or signal
+  using the event_base_active_by_fd() and event_base_active_by_signal()
+  APIs.
+
+  On backends that support it (currently epoll), there is now an
+  EV_CLOSED flag that programs can use to detect when a socket has
+  closed without having to read all the bytes until receiving an EOF.
+
+1.3. Event finalization
+
+1.3.1. Why event finalization?
+
+  Libevent 2.1 now supports an API for safely "finalizing" events that
+  might be running in multiple threads, and provides a way to slightly
+  change the semantics of event_del() to prevent deadlocks in
+  multithreaded programs.
+
+  To motivate this feature, consider the following code, in the context
+  of a mulithreaded Libevent application:
+
+        struct connection *conn = event_get_callback_arg(ev);
+        event_del(ev);
+        connection_free(conn);
+
+  Suppose that the event's callback might be running in another thread,
+  and using the value of "conn" concurrently.  We wouldn't want to
+  execute the connection_free() call until "conn" is no longer in use.
+  How can we make this code safe?
+
+  Libevent 2.0 answered that question by saying that the event_del()
+  call should block if the event's callback is running in another
+  thread.  That way, we can be sure that event_del() has canceled the
+  callback (if the callback hadn't started running yet), or has waited
+  for the callback to finish.
+
+  But now suppose that the data structure is protected by a lock, and we
+  have the following code:
+
+        void check_disable(struct connection *connection) {
+            lock(connection);
+            if (should_stop_reading(connection))
+                    event_del(connection->read_event);
+            unlock(connection);
+        }
+
+  What happens when we call check_disable() from a callback and from
+  another thread?  Let's say that the other thread gets the lock
+  first.  If it decides to call event_del(), it will wait for the
+  callback to finish.  But meanwhile, the callback will be waiting for
+  the lock on the connection.  Since each threads is waiting for the
+  other one to release a resource, the program will deadlock.
+
+  This bug showed up in multithreaded bufferevent programs in 2.1,
+  particularly when freeing bufferevents.  (For more information, see
+  the "Deadlock when calling bufferevent_free from an other thread"
+  thread on libevent-users starting on 6 August 2012 and running through
+  February of 2013.  You might also like to read my earlier writeup at
+  http://archives.seul.org/libevent/users/Feb-2012/msg00053.html and
+  the ensuing discussion.)
+
+1.3.2. The EV_FINALIZE flag and avoiding deadlock
+
+  To prevent the deadlock condition described above, Libevent
+  2.1.3-alpha adds a new flag, "EV_FINALIZE".  You can pass it to
+  event_new() and event_assign() along with EV_READ, EV_WRITE, and the
+  other event flags.
+
+  When an event is constructed with the EV_FINALIZE flag, event_del()
+  will not block on that event, even when the event's callback is
+  running in another thread.  By using EV_FINALIZE, you are therefore
+  promising not to use the "event_del(ev); free(event_get_callback_arg(ev));"
+  pattern, but rather to use one of the finalization functions below to
+  clean up the event.
+
+  EV_FINALIZE has no effect on a single-threaded program, or on a
+  program where events are only used from one thread.
+
+
+  There are also two new variants of event_del() that you can use for
+  more fine-grained control:
+     event_del_noblock(ev)
+     event_del_block(ev)
+  The event_del_noblock() function will never block, even if the event
+  callback is running in another thread and doesn't have the EV_FINALIZE
+  flag.  The event_del_block() function will _always_ block if the event
+  callback is running in another thread, even if the event _does_ have
+  the EV_FINALIZE flag.
+
+  [A future version of Libevent may have a way to make the EV_FINALIZE
+  flag the default.]
+
+1.3.3. Safely finalizing events
+
+  To safely tear down an event that may be running, Libevent 2.1.3-alpha
+  introduces event_finalize() and event_free_finalize(). You call them
+  on an event, and provide a finalizer callback to be run on the event
+  and its callback argument once the event is definitely no longer
+  running.
+
+  With event_free_finalize(), the event is also freed once the finalizer
+  callback has been invoked.
+
+  A finalized event cannot be re-added or activated.  The finalizer
+  callback must not add events, activate events, or attempt to
+  "resucitate" the event being finalized in any way.
+
+  If any finalizer callbacks are pending as the event_base is being
+  freed, they will be invoked.  You can override this behavior with the
+  new function event_base_free_nofinalize().
+
+1.4. New debugging features
+
+  You can now turn on debug logs at runtime using a new function,
+  event_enable_debug_logging().
+
+  The event_enable_lock_debugging() function is now spelled correctly.
+  You can still use the old "event_enable_lock_debuging" name, though,
+  so your old programs shouldnt' break.
+
+  There's also been some work done to try to make the debugging logs
+  more generally useful.
+
+1.5. New evbuffer functions
+
+  In Libevent 2.0, we introduced evbuffer_add_file() to add an entire
+  file's contents to an evbuffer, and then send them using sendfile() or
+  mmap() as appropriate.  This API had some drawbacks, however.
+  Notably, it created one mapping or fd for every instance of the same
+  file added to any evbuffer.  Also, adding a file to an evbuffer could
+  make that buffer unusable with SSL bufferevents, filtering
+  bufferevents, and any code that tried to read the contents of the
+  evbuffer.
+
+  Libevent 2.1 adds a new evbuffer_file_segment API to solve these
+  problems.  Now, you can use evbuffer_file_segment_new() to construct a
+  file-segment object, and evbuffer_add_file_segment() to insert it (or
+  part of it) into an evbuffer.  These segments avoid creating redundant
+  maps or fds.  Better still, the code is smart enough (when the OS
+  supports sendfile) to map the file when that's necessary, and use
+  sendfile() otherwise.
+
+  File segments can receive callback functions that are invoked when the
+  file segments are freed.
+
+  The evbuffer_ptr interface has been extended so that an evbuffer_ptr
+  can now yield a point just after the end of the buffer.  This makes
+  many algorithms simpler to implement.
+
+  There's a new evbuffer_add_buffer() interface that you can use to add
+  one buffer to another nondestructively.  When you say
+  evbuffer_add_buffer_reference(outbuf, inbuf), outbuf now contains a
+  reference to the contents of inbuf.
+
+  To aid in adding data in bulk while minimizing evbuffer calls, there
+  is an evbuffer_add_iovec() function.
+
+  There's a new evbuffer_copyout_from() variant function to enable
+  copying data nondestructively from the middle of a buffer.
+
+  evbuffer_readln() now supports an EVBUFFER_EOL_NUL argument to fetch
+  NUL-terminated strings from buffers.
+
+  There's a new evbuffer_set_flags()/evbuffer_clear_flags() that you can use to
+  set EVBUFFER_FLAG_DRAINS_TO_FD.
+
+1.6. New functions and features: bufferevents
+
+  You can now use the bufferevent_getcb() function to find out a
+  bufferevent's callbacks.  Previously, there was no supported way to do
+  that.
+
+  The largest chunk readable or writeable in a single bufferevent
+  callback is no longer hardcoded; it's now configurable with
+  the new functions bufferevent_set_max_single_read() and
+  bufferevent_set_max_single_write().
+
+  For consistency, OpenSSL bufferevents now make sure to always set one
+  of BEV_EVENT_READING or BEV_EVENT_WRITING when invoking an event
+  callback.
+
+  Calling bufferevent_set_timeouts(bev, NULL, NULL) now removes the
+  timeouts from socket and ssl bufferevents correctly.
+
+  You can find the priority at which a bufferevent runs with
+  bufferevent_get_priority().
+
+  The function bufferevent_get_token_bucket_cfg() can retrieve the
+  rate-limit settings for a bufferevent; bufferevent_getwatermark() can
+  return a bufferevent's current watermark settings.
+
+  You can manually trigger a bufferevent's callbacks via
+  bufferevent_trigger() and bufferevent_trigger_event().
+
+  Also you can manually increment/decrement reference for bufferevent with
+  bufferevent_incref()/bufferevent_decref(), it is useful in situations where a
+  user may reference the bufferevent somewhere else.
+
+  Now bufferevent_openssl supports "dirty" shutdown (when the peer closes the
+  TCP connection before closing the SSL channel), see
+  bufferevent_openssl_get_allow_dirty_shutdown() and
+  bufferevent_openssl_set_allow_dirty_shutdown().
+
+  And also libevent supports openssl 1.1.
+
+1.7. New functions and features: evdns
+
+  The previous evdns interface used an "open a test UDP socket" trick in
+  order to detect IPv6 support.  This was a hack, since it would
+  sometimes badly confuse people's firewall software, even though no
+  packets were sent.  The current evdns interface-detection code uses
+  the appropriate OS functions to see which interfaces are configured.
+
+  The evdns_base_new() function now has multiple possible values for its
+  second (flags) argument.  Using 1 and 0 have their old meanings, though the
+  1 flag now has a symbolic name of EVDNS_BASE_INITIALIZE_NAMESERVERS.
+  A second flag is now supported too: the EVDNS_BASE_DISABLE_WHEN_INACTIVE
+  flag, which tells the evdns_base that it should not prevent Libevent from
+  exiting while it has no DNS requests in progress.
+
+  There is a new evdns_base_clear_host_addresses() function to remove
+  all the /etc/hosts addresses registered with an evdns instance.
+
+  Also there is evdns_base_get_nameserver_addr() for retrieve the address of
+  the 'idx'th configured nameserver.
+
+1.8. New functions and features: evconnlistener
+
+  Libevent 2.1 adds the following evconnlistener flags:
+
+    LEV_OPT_DEFERRED_ACCEPT -- Tells the OS that it doesn't need to
+    report sockets as having arrived until the initiator has sent some
+    data too.  This can greatly improve performance with protocols like
+    HTTP where the client always speaks first.  On operating systems
+    that don't support this functionality, this option has no effect.
+
+    LEV_OPT_REUSEABLE_PORT -- Indicates that we ask to allow multiple servers
+    to bind to the same port if they each set the option Ionly on Linux and
+    >=3.9)
+
+    LEV_OPT_DISABLED -- Creates an evconnlistener in the disabled (not
+    listening) state.
+
+  Libevent 2.1 changes the behavior of the LEV_OPT_CLOSE_ON_EXEC
+  flag.  Previously, it would apply to the listener sockets, but not to
+  the accepted sockets themselves.  That's almost never what you want.
+  Now, it applies both to the listener and the accepted sockets.
+
+1.9. New functions and features: evhttp
+
+  **********************************************************************
+  NOTE: The evhttp module will eventually be deprecated in favor of Mark
+  Ellzey's libevhtp library.  Don't worry -- this won't happen until
+  libevhtp provides every feature that evhttp does, and provides a
+  compatible interface that applications can use to migrate.
+  **********************************************************************
+
+  Previously, you could only set evhttp timeouts in increments of one
+  second.  Now, you can use evhttp_set_timeout_tv() and
+  evhttp_connection_set_timeout_tv() to configure
+  microsecond-granularity timeouts.
+
+  Also there is evhttp_connection_set_initial_retry_tv() to change initial
+  retry timeout.
+
+  There are a new pair of functions: evhttp_set_bevcb() and
+  evhttp_connection_base_bufferevent_new(), that you can use to
+  configure which bufferevents will be used for incoming and outgoing
+  http connections respectively.  These functions, combined with SSL
+  bufferevents, should enable HTTPS support.
+
+  There's a new evhttp_foreach_bound_socket() function to iterate over
+  every listener on an evhttp object.
+
+  Whitespace between lines in headers is now folded into a single space;
+  whitespace at the end of a header is now removed.
+
+  The socket errno value is now preserved when invoking an http error
+  callback.
+
+  There's a new kind of request callback for errors; you can set it with
+  evhttp_request_set_error_cb(). It gets called when there's a request error,
+  and actually reports the error code and lets you figure out which request
+  failed.
+
+  You can navigate from an evhttp_connection back to its evhttp with the
+  new evhttp_connection_get_server() function.
+
+  You can override the default HTTP Content-Type with the new
+  evhttp_set_default_content_type() function
+
+  There's a new evhttp_connection_get_addr() API to return the peer
+  address of an evhttp_connection.
+
+  The new evhttp_send_reply_chunk_with_cb() is a variant of
+  evhttp_send_reply_chunk() with a callback to be invoked when the
+  chunk is sent.
+
+  The evhttp_request_set_header_cb() facility adds a callback to be
+  invoked while parsing headers.
+
+  The evhttp_request_set_on_complete_cb() facility adds a callback to be
+  invoked on request completion.
+
+  You can add linger-close for http server by passing
+  EVHTTP_SERVER_LINGERING_CLOSE to evhttp_set_flags(), with this flag server
+  read all the clients body, and only after this respond with an error if the
+  clients body exceed max_body_size (since some clients cannot read response
+  otherwise).
+
+  The evhttp_connection_set_family() can bypass family hint to evdns.
+
+  There are some flags available for connections, which can be installed with
+  evhttp_connection_set_flags():
+  - EVHTTP_CON_REUSE_CONNECTED_ADDR -- reuse connection address on retry (avoid
+    extra DNS request).
+  - EVHTTP_CON_READ_ON_WRITE_ERROR - try read error, since server may already
+    close the connection.
+
+  The evhttp_connection_free_on_completion() can be used to tell libevent to
+  free the connection object after the last request has completed or failed.
+
+  There is evhttp_request_get_response_code_line() if
+  evhttp_request_get_response_code() is not enough for you.
+
+  There are *evhttp_uri_parse_with_flags() that accepts
+  EVHTTP_URI_NONCONFORMANT to tolerate URIs that do not conform to RFC3986.
+  The evhttp_uri_set_flags() can changes the flags on URI.
+
+1.10. New functions and features: evutil
+
+  There's a function "evutil_secure_rng_set_urandom_device_file()" that
+  you can use to override the default file that Libevent uses to seed
+  its (sort-of) secure RNG.
+
+  The evutil_date_rfc1123() returns date in RFC1123
+
+  There are new API to work with monotonic timer -- monotonic time is
+  guaranteed never to run in reverse, but is not necessarily epoch-based. Use
+  it to make reliable measurements of elapsed time between events even when the
+  system time may be changed:
+  - evutil_monotonic_timer_new()/evutil_monotonic_timer_free()
+  - evutil_configure_monotonic_time()
+  - evutil_gettime_monotonic()
+
+  Use evutil_make_listen_socket_reuseable_port() to set SO_REUSEPORT (linux >=
+  3.9)
+
+  The evutil_make_tcp_listen_socket_deferred() can make a tcp listener socket
+  defer accept()s until there is data to read (TCP_DEFER_ACCEPT).
+
+2. Cross-platform performance improvements
+
+2.1. Better data structures
+
+  We replaced several users of the sys/queue.h "TAILQ" data structure
+  with the "LIST" data structure.  Because this data type doesn't
+  require FIFO access, it requires fewer pointer checks and
+  manipulations to keep it in line.
+
+  All previous versions of Libevent have kept every pending (added)
+  event in an "eventqueue" data structure.  Starting in Libevent 2.0,
+  however, this structure became redundant: every pending timeout event
+  is stored in the timeout heap or in one of the common_timeout queues,
+  and every pending fd or signal event is stored in an evmap.  Libevent
+  2.1 removes this data structure, and thereby saves all of the code
+  that we'd been using to keep it updated.
+
+2.2. Faster activations and timeouts
+
+  It's a common pattern in older code to use event_base_once() with a
+  0-second timeout to ensure that a callback will get run 'as soon as
+  possible' in the current iteration of the Libevent loop.  We optimize
+  this case by calling event_active() directly, and bypassing the
+  timeout pool.  (People who are using this pattern should also consider
+  using event_active() themselves.)
+
+  Libevent 2.0 would wake up a polling event loop whenever the first
+  timeout in the event loop was adjusted--whether it had become earlier
+  or later.  We now only notify the event loop when a change causes the
+  expiration time to become _sooner_ than it would have been otherwise.
+
+  The timeout heap code is now optimized to perform fewer comparisons
+  and shifts when changing or removing a timeout.
+
+  Instead of checking for a wall-clock time jump every time we call
+  clock_gettime(), we now check only every 5 seconds.  This should save
+  a huge number of gettimeofday() calls.
+
+2.3. Microoptimizations
+
+  Internal event list maintainance no longer use the antipattern where
+  we have one function with multiple totally independent behaviors
+  depending on an argument:
+      #define OP1 1
+      #define OP2 2
+      #define OP3 3
+      void func(int operation, struct event *ev) {
+        switch (op) {
+          ...
+        }
+      }
+  Instead, these functions are now split into separate functions for
+  each operation:
+      void func_op1(struct event *ev) { ... }
+      void func_op2(struct event *ev) { ... }
+      void func_op3(struct event *ev) { ... }
+
+  This produces better code generation and inlining decisions on some
+  compilers, and makes the code easier to read and check.
+
+2.4. Evbuffer performance improvements
+
+  The EVBUFFER_EOL_CRLF line-ending type is now much faster, thanks to
+  smart optimizations.
+
+2.5. HTTP performance improvements
+
+   o Performance tweak to evhttp_parse_request_line. (aee1a97 Mark Ellzey)
+   o Add missing break to evhttp_parse_request_line (0fcc536)
+
+2.6. Coarse timers by default on Linux
+
+  Due to limitations of the epoll interface, Libevent programs using epoll
+  have not previously been able to wait for timeouts with accuracy smaller
+  than 1 millisecond.  But Libevent had been using CLOCK_MONOTONIC for
+  timekeeping on Linux, which is needlessly expensive: CLOCK_MONOTONIC_COARSE
+  has approximately the resolution corresponding to epoll, and is much faster
+  to invoke than CLOCK_MONOTONIC.
+
+  To disable coarse timers, and get a more plausible precision, use the
+  new EVENT_BASE_FLAG_PRECISE_TIMER flag when setting up your event base.
+
+3. Backend/OS-specific improvements
+
+3.1. Linux-specific improvements
+
+  The logic for deciding which arguements to use with epoll_ctl() is now
+  a table-driven lookup, rather than the previous pile of cascading
+  branches.  This should minimize epoll_ctl() calls and make the epoll
+  code run a little faster on change-heavy loads.
+
+  Libevent now takes advantage of Linux's support for enhanced APIs
+  (e.g., SOCK_CLOEXEC, SOCK_NONBLOCK, accept4, pipe2) that allow us to
+  simultaneously create a socket, make it nonblocking, and make it
+  close-on-exec.  This should save syscalls throughout our codebase, and
+  avoid race-conditions if an exec() occurs after a socket is socket is
+  created but before we can make it close-on-execute on it.
+
+3.2. Windows-specific improvements
+
+  We now use GetSystemTimeAsFileTime to implement gettimeofday.  It's
+  significantly faster and more accurate than our old ftime()-based approach.
+
+3.3. Improvements in the solaris evport backend.
+
+  The evport backend has been updated to use many of the infrastructure
+  improvements from Libevent 2.0.  Notably, it keeps track of per-fd
+  information using the evmap infrastructure, and removes a number of
+  linear scans over recently-added events.  This last change makes it
+  efficient to receive many more events per evport_getn() call, thereby
+  reducing evport overhead in general.
+
+3.4. OSX backend improvements
+
+  The OSX select backend doesn't like to have more than a certain number
+  of fds set unless an "unlimited select" option has been set.
+  Therefore, we now set it.
+
+3.5. Monotonic clocks on even more platforms
+
+  Libevent previously used a monotonic clock for its internal timekeeping
+  only on platforms supporting the POSIX clock_gettime() interface. Now,
+  Libevent has support for monotonic clocks on OSX and Windows too, and a
+  fallback implementation for systems without monotonic clocks that will at
+  least keep time running forwards.
+
+  Using monotonic timers makes Libevent more resilient to changes in the
+  system time, as can happen in small amounts due to clock adjustments from
+  NTP, or in large amounts due to users who move their system clocks all over
+  the timeline in order to keep nagware from nagging them.
+
+3.6. Faster cross-thread notification on kqueue
+
+  When a thread other than the one in which the main event loop is
+  running needs to wake the thread running the main event loop, Libevent
+  usually writes to a socketpair in order to force the main event loop
+  to wake up.  On Linux, we've been able to use eventfd() instead.  Now
+  on BSD and OSX systems (any anywhere else that has kqueue with the
+  EVFILT_USER extension), we can use EVFILT_USER to wake up the main
+  thread from kqueue.  This should be a tiny bit faster than the
+  previous approach.
+
+4. Infrastructure improvements
+
+4.1. Faster tests
+
+  I've spent some time to try to make the unit tests run faster in
+  Libevent 2.1.  Nearly all of this was a matter of searching slow tests
+  for unreasonably long timeouts, and cutting them down to reasonably
+  long delays, though on one or two cases I actually had to parallelize
+  an operation or improve an algorithm.
+
+  On my desktop, a full "make verify" run of Libevent 2.0.18-stable
+  requires about 218 seconds.  Libevent 2.1.1-alpha cuts this down to
+  about 78 seconds.
+
+  Faster unit tests are great, since they let programmers test their
+  changes without losing their train of thought.
+
+4.2. Finicky tests are now off-by-default
+
+  The Tinytest unit testing framework now supports optional tests, and
+  Libevent uses them.  By default, Libevent's unit testing framework
+  does not run tests that require a working network, and does not run
+  tests that tend to fail on heavily loaded systems because of timing
+  issues.  To re-enable all tests, run ./test/regress using the "@all"
+  alias.
+
+4.3. Modernized use of autotools
+
+  Our autotools-based build system has been updated to build without
+  warnings on recent autoconf/automake versions.
+
+  Libevent's autotools makefiles are no longer recursive.  This allows
+  make to use the maximum possible parallelism to do the minimally
+  necessary amount of work.  See Peter Miller's "Recursive Make
+  Considered Harmful" at http://miller.emu.id.au/pmiller/books/rmch/ for
+  more information here.
+
+  We now use the "quiet build" option to suppress distracting messages
+  about which commandlines are running.  You can get them back with
+  "make V=1".
+
+4.4. Portability
+
+  Libevent now uses large-file support internally on platforms where it
+  matters.  You shouldn't need to set _LARGEFILE or OFFSET_BITS or
+  anything magic before including the Libevent headers, either, since
+  Libevent now sets the size of ev_off_t to the size of off_t that it
+  received at compile time, not to some (possibly different) size based
+  on current macro definitions when your program is building.
+
+  We now also use the Autoconf AC_USE_SYSTEM_EXTENSIONS mechanism to
+  enable per-system macros needed to enable not-on-by-default features.
+  Unlike the rest of the autoconf macros, we output these to an
+  internal-use-only evconfig-private.h header, since their names need to
+  survive unmangled.  This lets us build correctly on more platforms,
+  and avoid inconsistencies when some files define _GNU_SOURCE and
+  others don't.
+
+  Libevent now tries to detect OpenSSL via pkg-config.
+
+4.5. Standards conformance
+
+  Previous Libevent versions had no consistent convention for internal
+  vs external identifiers, and used identifiers starting with the "_"
+  character throughout the codebase.  That's no good, since the C
+  standard says that identifiers beginning with _ are reserved.  I'm not
+  aware of having any collisions with system identifiers, but it's best
+  to fix these things before they cause trouble.
+
+  We now avoid all use of the _identifiers in the Libevent source code.
+  These changes were made *mainly* through the use of automated scripts,
+  so there shouldn't be any mistakes, but you never know.
+
+  As an exception, the names _EVENT_LOG_DEBUG, _EVENT_LOG_MSG_,
+  _EVENT_LOG_WARN, and _EVENT_LOG_ERR are still exposed in event.h: they
+  are now deprecated, but to support older code, they will need to stay
+  around for a while.  New code should use EVENT_LOG_DEBUG,
+  EVENT_LOG_MSG, EVENT_LOG_WARN, and EVENT_LOG_ERR instead.
+
+4.6. Event and callback refactoring
+
+  As a simplification and optimization to Libevent's "deferred callback"
+  logic (introduced in 2.0 to avoid callback recursion), Libevent now
+  treats all of its deferrable callback types using the same logic it
+  uses for active events.  Now deferred events no longer cause priority
+  inversion, no longer require special code to cancel them, and so on.
+
+  Regular events and deferred callbacks now both descend from an
+  internal light-weight event_callback supertype, and both support
+  priorities and take part in the other anti-priority-inversion
+  mechanisms in Libevent.
+
+  To avoid starvation from callback recursion (which was the reason we
+  introduced "deferred callbacks" in the first place) the implementation
+  now allows an event callback to be scheduled as "active later":
+  instead of running in the current iteration of the event loop, it runs
+  in the next one.
+
+5. Testing
+
+  Libevent's test coverage level is more or less unchanged since before:
+  we still have over 80% line coverage in our tests on Linux, FreeBSD, NetBSD,
+  Windows, OSX.
+  There are some under-tested modules, though: we need to fix those.
+
+  And now we have CI:
+  - https://travis-ci.org/libevent/libevent
+  - https://ci.appveyor.com/project/nmathewson/libevent
+
+  And code coverage:
+  - https://coveralls.io/github/libevent/libevent
+
+  Plus there is vagrant boxes if you what to test it on more OS'es then
+  travis-ci allows, and there is a wrapper (in python) that will parse logs and
+  provide report:
+  - https://github.com/libevent/libevent-extras/blob/master/tools/vagrant-tests.py
+
+6. Contributing
+
+  From now we have contributing guide and checkpatch.sh.
diff --git a/win32select.c b/win32select.c
index 1743b01..1766858 100644
--- a/win32select.c
+++ b/win32select.c
@@ -25,6 +25,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "event2/event-config.h"
+#include "evconfig-private.h"
+
+#ifdef _WIN32
 
 #include <winsock2.h>
 #include <windows.h>
@@ -38,7 +42,6 @@
 #include <errno.h>
 
 #include "event2/util.h"
-#include "event2/event-config.h"
 #include "util-internal.h"
 #include "log-internal.h"
 #include "event2/event.h"
@@ -46,6 +49,7 @@
 #include "evmap-internal.h"
 #include "event2/thread.h"
 #include "evthread-internal.h"
+#include "time-internal.h"
 
 #define XFREE(ptr) do { if (ptr) mm_free(ptr); } while (0)
 
@@ -53,7 +57,7 @@
 extern struct event_list addqueue;
 
 struct win_fd_set {
-	u_int fd_count;
+	unsigned int fd_count;
 	SOCKET fd_array[1];
 };
 
@@ -77,8 +81,8 @@
 };
 
 static void *win32_init(struct event_base *);
-static int win32_add(struct event_base *, evutil_socket_t, short old, short events, void *_idx);
-static int win32_del(struct event_base *, evutil_socket_t, short old, short events, void *_idx);
+static int win32_add(struct event_base *, evutil_socket_t, short old, short events, void *idx_);
+static int win32_del(struct event_base *, evutil_socket_t, short old, short events, void *idx_);
 static int win32_dispatch(struct event_base *base, struct timeval *);
 static void win32_dealloc(struct event_base *);
 
@@ -160,7 +164,7 @@
 		SOCKET s2;
 		s2 = set->fd_array[i] = set->fd_array[set->fd_count];
 
-		ent2 = evmap_io_get_fdinfo(&base->io, s2);
+		ent2 = evmap_io_get_fdinfo_(&base->io, s2);
 
 		if (!ent2) /* This indicates a bug. */
 			return (0);
@@ -174,7 +178,7 @@
 
 #define NEVENT 32
 void *
-win32_init(struct event_base *_base)
+win32_init(struct event_base *base)
 {
 	struct win32op *winop;
 	size_t size;
@@ -196,9 +200,11 @@
 	winop->readset_out->fd_count = winop->writeset_out->fd_count
 		= winop->exset_out->fd_count = 0;
 
-	if (evsig_init(_base) < 0)
+	if (evsig_init_(base) < 0)
 		winop->signals_are_broken = 1;
 
+	evutil_weakrand_seed_(&base->weakrand_seed, 0);
+
 	return (winop);
  err:
 	XFREE(winop->readset_in);
@@ -212,10 +218,10 @@
 
 int
 win32_add(struct event_base *base, evutil_socket_t fd,
-			 short old, short events, void *_idx)
+			 short old, short events, void *idx_)
 {
 	struct win32op *win32op = base->evbase;
-	struct idx_info *idx = _idx;
+	struct idx_info *idx = idx_;
 
 	if ((events & EV_SIGNAL) && win32op->signals_are_broken)
 		return (-1);
@@ -237,10 +243,10 @@
 
 int
 win32_del(struct event_base *base, evutil_socket_t fd, short old, short events,
-		  void *_idx)
+		  void *idx_)
 {
 	struct win32op *win32op = base->evbase;
-	struct idx_info *idx = _idx;
+	struct idx_info *idx = idx_;
 
 	event_debug(("%s: Removing event for "EV_SOCK_FMT,
 		__func__, EV_SOCK_ARG(fd)));
@@ -299,7 +305,7 @@
 	    win32op->readset_out->fd_count : win32op->writeset_out->fd_count;
 
 	if (!fd_count) {
-		long msec = tv ? evutil_tv_to_msec(tv) : LONG_MAX;
+		long msec = tv ? evutil_tv_to_msec_(tv) : LONG_MAX;
 		/* Sleep's DWORD argument is unsigned long */
 		if (msec < 0)
 			msec = LONG_MAX;
@@ -324,42 +330,45 @@
 	}
 
 	if (win32op->readset_out->fd_count) {
-		i = rand() % win32op->readset_out->fd_count;
+		i = evutil_weakrand_range_(&base->weakrand_seed,
+		    win32op->readset_out->fd_count);
 		for (j=0; j<win32op->readset_out->fd_count; ++j) {
 			if (++i >= win32op->readset_out->fd_count)
 				i = 0;
 			s = win32op->readset_out->fd_array[i];
-			evmap_io_active(base, s, EV_READ);
+			evmap_io_active_(base, s, EV_READ);
 		}
 	}
 	if (win32op->exset_out->fd_count) {
-		i = rand() % win32op->exset_out->fd_count;
+		i = evutil_weakrand_range_(&base->weakrand_seed,
+		    win32op->exset_out->fd_count);
 		for (j=0; j<win32op->exset_out->fd_count; ++j) {
 			if (++i >= win32op->exset_out->fd_count)
 				i = 0;
 			s = win32op->exset_out->fd_array[i];
-			evmap_io_active(base, s, EV_WRITE);
+			evmap_io_active_(base, s, EV_WRITE);
 		}
 	}
 	if (win32op->writeset_out->fd_count) {
 		SOCKET s;
-		i = rand() % win32op->writeset_out->fd_count;
+		i = evutil_weakrand_range_(&base->weakrand_seed,
+		    win32op->writeset_out->fd_count);
 		for (j=0; j<win32op->writeset_out->fd_count; ++j) {
 			if (++i >= win32op->writeset_out->fd_count)
 				i = 0;
 			s = win32op->writeset_out->fd_array[i];
-			evmap_io_active(base, s, EV_WRITE);
+			evmap_io_active_(base, s, EV_WRITE);
 		}
 	}
 	return (0);
 }
 
 void
-win32_dealloc(struct event_base *_base)
+win32_dealloc(struct event_base *base)
 {
-	struct win32op *win32op = _base->evbase;
+	struct win32op *win32op = base->evbase;
 
-	evsig_dealloc(_base);
+	evsig_dealloc_(base);
 	if (win32op->readset_in)
 		mm_free(win32op->readset_in);
 	if (win32op->writeset_in)
@@ -375,3 +384,5 @@
 	memset(win32op, 0, sizeof(*win32op));
 	mm_free(win32op);
 }
+
+#endif