| dnl Process this file with autoconf to produce a configure script. |
| AC_INIT([Makefile.in]) |
| |
| dnl ============================================================================ |
| dnl Custom macro definitions. |
| |
| dnl JE_CFLAGS_APPEND(cflag) |
| AC_DEFUN([JE_CFLAGS_APPEND], |
| [ |
| AC_MSG_CHECKING([whether compiler supports $1]) |
| TCFLAGS="${CFLAGS}" |
| if test "x${CFLAGS}" = "x" ; then |
| CFLAGS="$1" |
| else |
| CFLAGS="${CFLAGS} $1" |
| fi |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
| [[ |
| ]], [[ |
| return 0; |
| ]])], |
| AC_MSG_RESULT([yes]), |
| AC_MSG_RESULT([no]) |
| [CFLAGS="${TCFLAGS}"] |
| ) |
| ]) |
| |
| dnl JE_COMPILABLE(label, hcode, mcode, rvar) |
| AC_DEFUN([JE_COMPILABLE], |
| [ |
| AC_CACHE_CHECK([whether $1 is compilable], |
| [$4], |
| [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$2], |
| [$3])], |
| [$4=yes], |
| [$4=no])]) |
| ]) |
| |
| dnl ============================================================================ |
| |
| dnl Library revision. |
| rev=1 |
| AC_SUBST([rev]) |
| |
| srcroot=$srcdir |
| if test "x${srcroot}" = "x." ; then |
| srcroot="" |
| else |
| srcroot="${srcroot}/" |
| fi |
| AC_SUBST([srcroot]) |
| abs_srcroot="`cd \"${srcdir}\"; pwd`/" |
| AC_SUBST([abs_srcroot]) |
| |
| objroot="" |
| AC_SUBST([objroot]) |
| abs_objroot="`pwd`/" |
| AC_SUBST([abs_objroot]) |
| |
| dnl Munge install path variables. |
| if test "x$prefix" = "xNONE" ; then |
| prefix="/usr/local" |
| fi |
| if test "x$exec_prefix" = "xNONE" ; then |
| exec_prefix=$prefix |
| fi |
| PREFIX=$prefix |
| AC_SUBST([PREFIX]) |
| BINDIR=`eval echo $bindir` |
| BINDIR=`eval echo $BINDIR` |
| AC_SUBST([BINDIR]) |
| INCLUDEDIR=`eval echo $includedir` |
| INCLUDEDIR=`eval echo $INCLUDEDIR` |
| AC_SUBST([INCLUDEDIR]) |
| LIBDIR=`eval echo $libdir` |
| LIBDIR=`eval echo $LIBDIR` |
| AC_SUBST([LIBDIR]) |
| DATADIR=`eval echo $datadir` |
| DATADIR=`eval echo $DATADIR` |
| AC_SUBST([DATADIR]) |
| MANDIR=`eval echo $mandir` |
| MANDIR=`eval echo $MANDIR` |
| AC_SUBST([MANDIR]) |
| |
| dnl Support for building documentation. |
| AC_PATH_PROG([XSLTPROC], [xsltproc], , [$PATH]) |
| AC_ARG_WITH([xslroot], |
| [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], |
| if test "x$with_xslroot" = "xno" ; then |
| XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" |
| else |
| XSLROOT="${with_xslroot}" |
| fi, |
| XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" |
| ) |
| AC_SUBST([XSLROOT]) |
| |
| dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise, |
| dnl just prevent autoconf from molesting CFLAGS. |
| CFLAGS=$CFLAGS |
| AC_PROG_CC |
| if test "x$CFLAGS" = "x" ; then |
| no_CFLAGS="yes" |
| if test "x$GCC" = "xyes" ; then |
| JE_CFLAGS_APPEND([-std=gnu99]) |
| JE_CFLAGS_APPEND([-Wall]) |
| JE_CFLAGS_APPEND([-pipe]) |
| JE_CFLAGS_APPEND([-g3]) |
| fi |
| fi |
| dnl Append EXTRA_CFLAGS to CFLAGS, if defined. |
| if test "x$EXTRA_CFLAGS" != "x" ; then |
| JE_CFLAGS_APPEND([$EXTRA_CFLAGS]) |
| fi |
| AC_PROG_CPP |
| |
| AC_CHECK_SIZEOF([void *]) |
| if test "x${ac_cv_sizeof_void_p}" = "x8" ; then |
| LG_SIZEOF_PTR=3 |
| elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then |
| LG_SIZEOF_PTR=2 |
| else |
| AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) |
| fi |
| AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR]) |
| |
| AC_CHECK_SIZEOF([int]) |
| if test "x${ac_cv_sizeof_int}" = "x8" ; then |
| LG_SIZEOF_INT=3 |
| elif test "x${ac_cv_sizeof_int}" = "x4" ; then |
| LG_SIZEOF_INT=2 |
| else |
| AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) |
| fi |
| AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT]) |
| |
| AC_CHECK_SIZEOF([long]) |
| if test "x${ac_cv_sizeof_long}" = "x8" ; then |
| LG_SIZEOF_LONG=3 |
| elif test "x${ac_cv_sizeof_long}" = "x4" ; then |
| LG_SIZEOF_LONG=2 |
| else |
| AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) |
| fi |
| AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG]) |
| |
| AC_CHECK_SIZEOF([intmax_t]) |
| if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then |
| LG_SIZEOF_INTMAX_T=4 |
| elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then |
| LG_SIZEOF_INTMAX_T=3 |
| elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then |
| LG_SIZEOF_INTMAX_T=2 |
| else |
| AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_long}]) |
| fi |
| AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T]) |
| |
| AC_CANONICAL_HOST |
| dnl CPU-specific settings. |
| CPU_SPINWAIT="" |
| case "${host_cpu}" in |
| i[[345]]86) |
| ;; |
| i686) |
| JE_COMPILABLE([__asm__], [], [[__asm__ volatile("pause"); return 0;]], |
| [je_cv_asm]) |
| if test "x${je_cv_asm}" = "xyes" ; then |
| CPU_SPINWAIT='__asm__ volatile("pause")' |
| fi |
| ;; |
| x86_64) |
| JE_COMPILABLE([__asm__ syntax], [], |
| [[__asm__ volatile("pause"); return 0;]], [je_cv_asm]) |
| if test "x${je_cv_asm}" = "xyes" ; then |
| CPU_SPINWAIT='__asm__ volatile("pause")' |
| fi |
| ;; |
| *) |
| ;; |
| esac |
| AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT]) |
| |
| LD_PRELOAD_VAR="LD_PRELOAD" |
| so="so" |
| |
| dnl Heap profiling uses the log(3) function. |
| LIBS="$LIBS -lm" |
| |
| dnl Platform-specific settings. abi and RPATH can probably be determined |
| dnl programmatically, but doing so is error-prone, which makes it generally |
| dnl not worth the trouble. |
| dnl |
| dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the |
| dnl definitions need to be seen before any headers are included, which is a pain |
| dnl to make happen otherwise. |
| case "${host}" in |
| *-*-darwin*) |
| CFLAGS="$CFLAGS -fno-common -no-cpp-precomp" |
| abi="macho" |
| AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE]) |
| RPATH="" |
| LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" |
| so="dylib" |
| ;; |
| *-*-freebsd*) |
| CFLAGS="$CFLAGS" |
| abi="elf" |
| AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE]) |
| RPATH="-Wl,-rpath," |
| ;; |
| *-*-linux*) |
| CFLAGS="$CFLAGS" |
| CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" |
| abi="elf" |
| AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED]) |
| RPATH="-Wl,-rpath," |
| ;; |
| *-*-netbsd*) |
| AC_MSG_CHECKING([ABI]) |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
| [[#ifdef __ELF__ |
| /* ELF */ |
| #else |
| #error aout |
| #endif |
| ]])], |
| [CFLAGS="$CFLAGS"; abi="elf"], |
| [abi="aout"]) |
| AC_MSG_RESULT([$abi]) |
| AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE]) |
| RPATH="-Wl,-rpath," |
| ;; |
| *-*-solaris2*) |
| CFLAGS="$CFLAGS" |
| abi="elf" |
| RPATH="-Wl,-R," |
| dnl Solaris needs this for sigwait(). |
| CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" |
| LIBS="$LIBS -lposix4 -lsocket -lnsl" |
| ;; |
| *-ibm-aix*) |
| if "$LG_SIZEOF_PTR" = "8"; then |
| dnl 64bit AIX |
| LD_PRELOAD_VAR="LDR_PRELOAD64" |
| else |
| dnl 32bit AIX |
| LD_PRELOAD_VAR="LDR_PRELOAD" |
| fi |
| abi="xcoff" |
| RPATH="-Wl,-rpath," |
| ;; |
| *) |
| AC_MSG_RESULT([Unsupported operating system: ${host}]) |
| abi="elf" |
| RPATH="-Wl,-rpath," |
| ;; |
| esac |
| AC_SUBST([abi]) |
| AC_SUBST([RPATH]) |
| AC_SUBST([LD_PRELOAD_VAR]) |
| AC_SUBST([so]) |
| |
| JE_COMPILABLE([__attribute__ syntax], |
| [static __attribute__((unused)) void foo(void){}], |
| [], |
| [je_cv_attribute]) |
| if test "x${je_cv_attribute}" = "xyes" ; then |
| AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ]) |
| if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then |
| JE_CFLAGS_APPEND([-fvisibility=hidden]) |
| fi |
| fi |
| |
| JE_COMPILABLE([mremap(...MREMAP_FIXED...)], [ |
| #define _GNU_SOURCE |
| #include <sys/mman.h> |
| ], [ |
| void *p = mremap((void *)0, 0, 0, MREMAP_MAYMOVE|MREMAP_FIXED, (void *)0); |
| ], [je_cv_mremap_fixed]) |
| if test "x${je_cv_mremap_fixed}" = "xyes" ; then |
| AC_DEFINE([JEMALLOC_MREMAP_FIXED]) |
| fi |
| |
| dnl Support optional additions to rpath. |
| AC_ARG_WITH([rpath], |
| [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])], |
| if test "x$with_rpath" = "xno" ; then |
| RPATH_EXTRA= |
| else |
| RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" |
| fi, |
| RPATH_EXTRA= |
| ) |
| AC_SUBST([RPATH_EXTRA]) |
| |
| dnl Disable rules that do automatic regeneration of configure output by default. |
| AC_ARG_ENABLE([autogen], |
| [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], |
| if test "x$enable_autogen" = "xno" ; then |
| enable_autogen="0" |
| else |
| enable_autogen="1" |
| fi |
| , |
| enable_autogen="0" |
| ) |
| AC_SUBST([enable_autogen]) |
| |
| AC_PROG_INSTALL |
| AC_PROG_RANLIB |
| AC_PATH_PROG([AR], [ar], , [$PATH]) |
| AC_PATH_PROG([LD], [ld], , [$PATH]) |
| AC_PATH_PROG([AUTOCONF], [autoconf], , [$PATH]) |
| |
| public_syms="malloc_conf malloc_message malloc calloc posix_memalign realloc free malloc_usable_size malloc_stats_print mallctl mallctlnametomib mallctlbymib" |
| |
| dnl Check for allocator-related functions that should be wrapped. |
| AC_CHECK_FUNC([memalign], |
| [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN]) |
| public_syms="${public_syms} memalign"]) |
| AC_CHECK_FUNC([valloc], |
| [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC]) |
| public_syms="${public_syms} valloc"]) |
| |
| dnl Support the experimental API by default. |
| AC_ARG_ENABLE([experimental], |
| [AS_HELP_STRING([--disable-experimental], |
| [Disable support for the experimental API])], |
| [if test "x$enable_experimental" = "xno" ; then |
| enable_experimental="0" |
| else |
| enable_experimental="1" |
| fi |
| ], |
| [enable_experimental="1"] |
| ) |
| if test "x$enable_experimental" = "x1" ; then |
| AC_DEFINE([JEMALLOC_EXPERIMENTAL], [ ]) |
| public_syms="${public_syms} allocm dallocm nallocm rallocm sallocm" |
| fi |
| AC_SUBST([enable_experimental]) |
| |
| dnl Perform no name mangling by default. |
| AC_ARG_WITH([mangling], |
| [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])], |
| [mangling_map="$with_mangling"], [mangling_map=""]) |
| for nm in `echo ${mangling_map} |tr ',' ' '` ; do |
| n="je_`echo ${nm} |tr ':' ' ' |awk '{print $1}'`" |
| m=`echo ${nm} |tr ':' ' ' |awk '{print $2}'` |
| AC_DEFINE_UNQUOTED([${n}], [${m}]) |
| done |
| |
| dnl Do not prefix public APIs by default. |
| AC_ARG_WITH([jemalloc_prefix], |
| [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])], |
| [JEMALLOC_PREFIX="$with_jemalloc_prefix"], |
| [if test "x$abi" != "xmacho" ; then |
| JEMALLOC_PREFIX="" |
| else |
| JEMALLOC_PREFIX="je_" |
| fi] |
| ) |
| if test "x$JEMALLOC_PREFIX" != "x" ; then |
| JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` |
| AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"]) |
| AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"]) |
| fi |
| dnl Generate macros to rename public symbols. All public symbols are prefixed |
| dnl with je_ in the source code, so these macro definitions are needed even if |
| dnl --with-jemalloc-prefix wasn't specified. |
| for stem in ${public_syms}; do |
| n="je_${stem}" |
| m="${JEMALLOC_PREFIX}${stem}" |
| AC_DEFINE_UNQUOTED([${n}], [${m}]) |
| done |
| |
| dnl Do not mangle library-private APIs by default. |
| AC_ARG_WITH([private_namespace], |
| [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])], |
| [JEMALLOC_PRIVATE_NAMESPACE="$with_private_namespace"], |
| [JEMALLOC_PRIVATE_NAMESPACE=""] |
| ) |
| AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], ["$JEMALLOC_PRIVATE_NAMESPACE"]) |
| if test "x$JEMALLOC_PRIVATE_NAMESPACE" != "x" ; then |
| AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [${JEMALLOC_PRIVATE_NAMESPACE}##string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) |
| else |
| AC_DEFINE_UNQUOTED([JEMALLOC_N(string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix)], [string_that_no_one_should_want_to_use_as_a_jemalloc_private_namespace_prefix]) |
| fi |
| |
| dnl Do not add suffix to installed files by default. |
| AC_ARG_WITH([install_suffix], |
| [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])], |
| [INSTALL_SUFFIX="$with_install_suffix"], |
| [INSTALL_SUFFIX=] |
| ) |
| install_suffix="$INSTALL_SUFFIX" |
| AC_SUBST([install_suffix]) |
| |
| cfgoutputs_in="${srcroot}Makefile.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/html.xsl.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/manpages.xsl.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}doc/jemalloc.xml.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/jemalloc.h.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}include/jemalloc/internal/jemalloc_internal.h.in" |
| cfgoutputs_in="${cfgoutputs_in} ${srcroot}test/jemalloc_test.h.in" |
| |
| cfgoutputs_out="Makefile" |
| cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" |
| cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" |
| cfgoutputs_out="${cfgoutputs_out} doc/jemalloc${install_suffix}.xml" |
| cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc${install_suffix}.h" |
| cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h" |
| cfgoutputs_out="${cfgoutputs_out} test/jemalloc_test.h" |
| |
| cfgoutputs_tup="Makefile" |
| cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" |
| cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" |
| cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc${install_suffix}.xml:doc/jemalloc.xml.in" |
| cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc${install_suffix}.h:include/jemalloc/jemalloc.h.in" |
| cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h" |
| cfgoutputs_tup="${cfgoutputs_tup} test/jemalloc_test.h:test/jemalloc_test.h.in" |
| |
| cfghdrs_in="${srcroot}include/jemalloc/jemalloc_defs.h.in" |
| cfghdrs_in="${cfghdrs_in} ${srcroot}include/jemalloc/internal/size_classes.sh" |
| |
| cfghdrs_out="include/jemalloc/jemalloc_defs${install_suffix}.h" |
| cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h" |
| |
| cfghdrs_tup="include/jemalloc/jemalloc_defs${install_suffix}.h:include/jemalloc/jemalloc_defs.h.in" |
| |
| dnl Do not silence irrelevant compiler warnings by default, since enabling this |
| dnl option incurs a performance penalty. |
| AC_ARG_ENABLE([cc-silence], |
| [AS_HELP_STRING([--enable-cc-silence], |
| [Silence irrelevant compiler warnings])], |
| [if test "x$enable_cc_silence" = "xno" ; then |
| enable_cc_silence="0" |
| else |
| enable_cc_silence="1" |
| fi |
| ], |
| [enable_cc_silence="0"] |
| ) |
| if test "x$enable_cc_silence" = "x1" ; then |
| AC_DEFINE([JEMALLOC_CC_SILENCE]) |
| fi |
| |
| dnl Do not compile with debugging by default. |
| AC_ARG_ENABLE([debug], |
| [AS_HELP_STRING([--enable-debug], [Build debugging code])], |
| [if test "x$enable_debug" = "xno" ; then |
| enable_debug="0" |
| else |
| enable_debug="1" |
| fi |
| ], |
| [enable_debug="0"] |
| ) |
| if test "x$enable_debug" = "x1" ; then |
| AC_DEFINE([JEMALLOC_DEBUG], [ ]) |
| AC_DEFINE([JEMALLOC_IVSALLOC], [ ]) |
| fi |
| AC_SUBST([enable_debug]) |
| |
| dnl Only optimize if not debugging. |
| if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then |
| dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS. |
| optimize="no" |
| echo "$EXTRA_CFLAGS" | grep "\-O" >/dev/null || optimize="yes" |
| if test "x${optimize}" = "xyes" ; then |
| if test "x$GCC" = "xyes" ; then |
| JE_CFLAGS_APPEND([-O3]) |
| JE_CFLAGS_APPEND([-funroll-loops]) |
| else |
| JE_CFLAGS_APPEND([-O]) |
| fi |
| fi |
| fi |
| |
| dnl Enable statistics calculation by default. |
| AC_ARG_ENABLE([stats], |
| [AS_HELP_STRING([--disable-stats], |
| [Disable statistics calculation/reporting])], |
| [if test "x$enable_stats" = "xno" ; then |
| enable_stats="0" |
| else |
| enable_stats="1" |
| fi |
| ], |
| [enable_stats="1"] |
| ) |
| if test "x$enable_stats" = "x1" ; then |
| AC_DEFINE([JEMALLOC_STATS], [ ]) |
| fi |
| AC_SUBST([enable_stats]) |
| |
| dnl Do not enable profiling by default. |
| AC_ARG_ENABLE([prof], |
| [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], |
| [if test "x$enable_prof" = "xno" ; then |
| enable_prof="0" |
| else |
| enable_prof="1" |
| fi |
| ], |
| [enable_prof="0"] |
| ) |
| if test "x$enable_prof" = "x1" ; then |
| backtrace_method="" |
| else |
| backtrace_method="N/A" |
| fi |
| |
| AC_ARG_ENABLE([prof-libunwind], |
| [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], |
| [if test "x$enable_prof_libunwind" = "xno" ; then |
| enable_prof_libunwind="0" |
| else |
| enable_prof_libunwind="1" |
| fi |
| ], |
| [enable_prof_libunwind="0"] |
| ) |
| AC_ARG_WITH([static_libunwind], |
| [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>], |
| [Path to static libunwind library; use rather than dynamically linking])], |
| if test "x$with_static_libunwind" = "xno" ; then |
| LUNWIND="-lunwind" |
| else |
| if test ! -f "$with_static_libunwind" ; then |
| AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) |
| fi |
| LUNWIND="$with_static_libunwind" |
| fi, |
| LUNWIND="-lunwind" |
| ) |
| if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then |
| AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) |
| if test "x$LUNWIND" = "x-lunwind" ; then |
| AC_CHECK_LIB([unwind], [backtrace], [LIBS="$LIBS $LUNWIND"], |
| [enable_prof_libunwind="0"]) |
| else |
| LIBS="$LIBS $LUNWIND" |
| fi |
| if test "x${enable_prof_libunwind}" = "x1" ; then |
| backtrace_method="libunwind" |
| AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ]) |
| fi |
| fi |
| |
| AC_ARG_ENABLE([prof-libgcc], |
| [AS_HELP_STRING([--disable-prof-libgcc], |
| [Do not use libgcc for backtracing])], |
| [if test "x$enable_prof_libgcc" = "xno" ; then |
| enable_prof_libgcc="0" |
| else |
| enable_prof_libgcc="1" |
| fi |
| ], |
| [enable_prof_libgcc="1"] |
| ) |
| if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ |
| -a "x$GCC" = "xyes" ; then |
| AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) |
| AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"]) |
| dnl The following is conservative, in that it only has entries for CPUs on |
| dnl which jemalloc has been tested. |
| AC_MSG_CHECKING([libgcc-based backtracing reliability on ${host_cpu}]) |
| case "${host_cpu}" in |
| i[[3456]]86) |
| AC_MSG_RESULT([unreliable]) |
| enable_prof_libgcc="0"; |
| ;; |
| x86_64) |
| AC_MSG_RESULT([reliable]) |
| ;; |
| *) |
| AC_MSG_RESULT([unreliable]) |
| enable_prof_libgcc="0"; |
| ;; |
| esac |
| if test "x${enable_prof_libgcc}" = "x1" ; then |
| backtrace_method="libgcc" |
| AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ]) |
| fi |
| else |
| enable_prof_libgcc="0" |
| fi |
| |
| AC_ARG_ENABLE([prof-gcc], |
| [AS_HELP_STRING([--disable-prof-gcc], |
| [Do not use gcc intrinsics for backtracing])], |
| [if test "x$enable_prof_gcc" = "xno" ; then |
| enable_prof_gcc="0" |
| else |
| enable_prof_gcc="1" |
| fi |
| ], |
| [enable_prof_gcc="1"] |
| ) |
| if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ |
| -a "x$GCC" = "xyes" ; then |
| backtrace_method="gcc intrinsics" |
| AC_DEFINE([JEMALLOC_PROF_GCC], [ ]) |
| else |
| enable_prof_gcc="0" |
| fi |
| |
| if test "x$backtrace_method" = "x" ; then |
| backtrace_method="none (disabling profiling)" |
| enable_prof="0" |
| fi |
| AC_MSG_CHECKING([configured backtracing method]) |
| AC_MSG_RESULT([$backtrace_method]) |
| if test "x$enable_prof" = "x1" ; then |
| AC_DEFINE([JEMALLOC_PROF], [ ]) |
| fi |
| AC_SUBST([enable_prof]) |
| |
| dnl Enable thread-specific caching by default. |
| AC_ARG_ENABLE([tcache], |
| [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])], |
| [if test "x$enable_tcache" = "xno" ; then |
| enable_tcache="0" |
| else |
| enable_tcache="1" |
| fi |
| ], |
| [enable_tcache="1"] |
| ) |
| if test "x$enable_tcache" = "x1" ; then |
| AC_DEFINE([JEMALLOC_TCACHE], [ ]) |
| fi |
| AC_SUBST([enable_tcache]) |
| |
| dnl Do not enable allocation from DSS by default. |
| AC_ARG_ENABLE([dss], |
| [AS_HELP_STRING([--enable-dss], [Enable allocation from DSS])], |
| [if test "x$enable_dss" = "xno" ; then |
| enable_dss="0" |
| else |
| enable_dss="1" |
| fi |
| ], |
| [enable_dss="0"] |
| ) |
| if test "x$enable_dss" = "x1" ; then |
| AC_DEFINE([JEMALLOC_DSS], [ ]) |
| fi |
| AC_SUBST([enable_dss]) |
| |
| dnl Support the junk/zero filling option by default. |
| AC_ARG_ENABLE([fill], |
| [AS_HELP_STRING([--disable-fill], [Disable support for junk/zero filling])], |
| [if test "x$enable_fill" = "xno" ; then |
| enable_fill="0" |
| else |
| enable_fill="1" |
| fi |
| ], |
| [enable_fill="1"] |
| ) |
| if test "x$enable_fill" = "x1" ; then |
| AC_DEFINE([JEMALLOC_FILL], [ ]) |
| fi |
| AC_SUBST([enable_fill]) |
| |
| dnl Do not support the xmalloc option by default. |
| AC_ARG_ENABLE([xmalloc], |
| [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], |
| [if test "x$enable_xmalloc" = "xno" ; then |
| enable_xmalloc="0" |
| else |
| enable_xmalloc="1" |
| fi |
| ], |
| [enable_xmalloc="0"] |
| ) |
| if test "x$enable_xmalloc" = "x1" ; then |
| AC_DEFINE([JEMALLOC_XMALLOC], [ ]) |
| fi |
| AC_SUBST([enable_xmalloc]) |
| |
| AC_CACHE_CHECK([STATIC_PAGE_SHIFT], |
| [je_cv_static_page_shift], |
| AC_RUN_IFELSE([AC_LANG_PROGRAM( |
| [[#include <stdio.h> |
| #include <unistd.h> |
| #include <strings.h> |
| ]], |
| [[ |
| long result; |
| FILE *f; |
| |
| result = sysconf(_SC_PAGESIZE); |
| if (result == -1) { |
| return 1; |
| } |
| f = fopen("conftest.out", "w"); |
| if (f == NULL) { |
| return 1; |
| } |
| fprintf(f, "%u\n", ffs((int)result) - 1); |
| close(f); |
| |
| return 0; |
| ]])], |
| [je_cv_static_page_shift=`cat conftest.out`], |
| [je_cv_static_page_shift=undefined])) |
| |
| if test "x$je_cv_static_page_shift" != "xundefined"; then |
| AC_DEFINE_UNQUOTED([STATIC_PAGE_SHIFT], [$je_cv_static_page_shift]) |
| else |
| AC_MSG_ERROR([cannot determine value for STATIC_PAGE_SHIFT]) |
| fi |
| |
| dnl ============================================================================ |
| dnl jemalloc configuration. |
| dnl |
| |
| dnl Set VERSION if source directory has an embedded git repository. |
| if test -d "${srcroot}.git" ; then |
| git describe --long --abbrev=40 > ${srcroot}VERSION |
| fi |
| jemalloc_version=`cat ${srcroot}VERSION` |
| jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` |
| jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` |
| jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` |
| jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` |
| jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` |
| AC_SUBST([jemalloc_version]) |
| AC_SUBST([jemalloc_version_major]) |
| AC_SUBST([jemalloc_version_minor]) |
| AC_SUBST([jemalloc_version_bugfix]) |
| AC_SUBST([jemalloc_version_nrev]) |
| AC_SUBST([jemalloc_version_gid]) |
| |
| dnl ============================================================================ |
| dnl Configure pthreads. |
| |
| AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) |
| AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], |
| [AC_MSG_ERROR([libpthread is missing])]) |
| |
| CPPFLAGS="$CPPFLAGS -D_REENTRANT" |
| |
| dnl Disable lazy locking by default. |
| AC_ARG_ENABLE([lazy_lock], |
| [AS_HELP_STRING([--enable-lazy-lock], |
| [Enable lazy locking (only lock when multi-threaded)])], |
| [if test "x$enable_lazy_lock" = "xno" ; then |
| enable_lazy_lock="0" |
| else |
| enable_lazy_lock="1" |
| fi |
| ], |
| [enable_lazy_lock="0"] |
| ) |
| if test "x$enable_lazy_lock" = "x1" ; then |
| AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])]) |
| AC_CHECK_LIB([dl], [dlopen], [LIBS="$LIBS -ldl"], |
| [AC_MSG_ERROR([libdl is missing])]) |
| AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ]) |
| fi |
| AC_SUBST([enable_lazy_lock]) |
| |
| AC_ARG_ENABLE([tls], |
| [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])], |
| if test "x$enable_tls" = "xno" ; then |
| enable_tls="0" |
| else |
| enable_tls="1" |
| fi |
| , |
| enable_tls="1" |
| ) |
| if test "x${enable_tls}" = "x1" ; then |
| AC_MSG_CHECKING([for TLS]) |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
| [[ |
| __thread int x; |
| ]], [[ |
| x = 42; |
| |
| return 0; |
| ]])], |
| AC_MSG_RESULT([yes]), |
| AC_MSG_RESULT([no]) |
| enable_tls="0") |
| fi |
| AC_SUBST([enable_tls]) |
| if test "x${enable_tls}" = "x0" ; then |
| AC_DEFINE_UNQUOTED([NO_TLS], [ ]) |
| fi |
| |
| dnl ============================================================================ |
| dnl Check for ffsl(3), and fail if not found. This function exists on all |
| dnl platforms that jemalloc currently has a chance of functioning on without |
| dnl modification. |
| JE_COMPILABLE([a program using ffsl], |
| [ |
| #include <string.h> |
| ], |
| [ |
| { |
| int rv = ffsl(0x08); |
| } |
| ], |
| [je_cv_function_ffsl]) |
| if test "x${je_cv_function_ffsl}" != "xyes" ; then |
| AC_MSG_ERROR([Cannot build without ffsl(3)]) |
| fi |
| |
| dnl ============================================================================ |
| dnl Check for atomic(3) operations as provided on Darwin. |
| |
| JE_COMPILABLE([Darwin OSAtomic*()], [ |
| #include <libkern/OSAtomic.h> |
| #include <inttypes.h> |
| ], [ |
| { |
| int32_t x32 = 0; |
| volatile int32_t *x32p = &x32; |
| OSAtomicAdd32(1, x32p); |
| } |
| { |
| int64_t x64 = 0; |
| volatile int64_t *x64p = &x64; |
| OSAtomicAdd64(1, x64p); |
| } |
| ], [je_cv_osatomic]) |
| if test "x${je_cv_osatomic}" = "xyes" ; then |
| AC_DEFINE([JEMALLOC_OSATOMIC]) |
| fi |
| |
| dnl ============================================================================ |
| dnl Check for spinlock(3) operations as provided on Darwin. |
| |
| JE_COMPILABLE([Darwin OSSpin*()], [ |
| #include <libkern/OSAtomic.h> |
| #include <inttypes.h> |
| ], [ |
| OSSpinLock lock = 0; |
| OSSpinLockLock(&lock); |
| OSSpinLockUnlock(&lock); |
| ], [je_cv_osspin]) |
| if test "x${je_cv_osspin}" = "xyes" ; then |
| AC_DEFINE([JEMALLOC_OSSPIN]) |
| fi |
| |
| dnl ============================================================================ |
| dnl Darwin-related configuration. |
| |
| if test "x${abi}" = "xmacho" ; then |
| AC_DEFINE([JEMALLOC_IVSALLOC]) |
| AC_DEFINE([JEMALLOC_ZONE]) |
| |
| dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6 |
| dnl releases. malloc_zone_t and malloc_introspection_t have new fields in |
| dnl 10.6, which is the only source-level indication of the change. |
| AC_MSG_CHECKING([malloc zone version]) |
| AC_TRY_COMPILE([#include <stdlib.h> |
| #include <malloc/malloc.h>], [ |
| static malloc_zone_t zone; |
| static struct malloc_introspection_t zone_introspect; |
| |
| zone.size = NULL; |
| zone.malloc = NULL; |
| zone.calloc = NULL; |
| zone.valloc = NULL; |
| zone.free = NULL; |
| zone.realloc = NULL; |
| zone.destroy = NULL; |
| zone.zone_name = "jemalloc_zone"; |
| zone.batch_malloc = NULL; |
| zone.batch_free = NULL; |
| zone.introspect = &zone_introspect; |
| zone.version = 6; |
| zone.memalign = NULL; |
| zone.free_definite_size = NULL; |
| |
| zone_introspect.enumerator = NULL; |
| zone_introspect.good_size = NULL; |
| zone_introspect.check = NULL; |
| zone_introspect.print = NULL; |
| zone_introspect.log = NULL; |
| zone_introspect.force_lock = NULL; |
| zone_introspect.force_unlock = NULL; |
| zone_introspect.statistics = NULL; |
| zone_introspect.zone_locked = NULL; |
| ], [AC_DEFINE_UNQUOTED([JEMALLOC_ZONE_VERSION], [6]) |
| AC_MSG_RESULT([6])], |
| [AC_DEFINE_UNQUOTED([JEMALLOC_ZONE_VERSION], [3]) |
| AC_MSG_RESULT([3])]) |
| fi |
| |
| dnl ============================================================================ |
| dnl Check for typedefs, structures, and compiler characteristics. |
| AC_HEADER_STDBOOL |
| |
| AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [ |
| mkdir -p "include/jemalloc/internal" |
| "${srcdir}/include/jemalloc/internal/size_classes.sh" > "${objroot}include/jemalloc/internal/size_classes.h" |
| ]) |
| |
| dnl Process .in files. |
| AC_SUBST([cfghdrs_in]) |
| AC_SUBST([cfghdrs_out]) |
| AC_CONFIG_HEADERS([$cfghdrs_tup]) |
| |
| dnl ============================================================================ |
| dnl Generate outputs. |
| AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc.sh]) |
| AC_SUBST([cfgoutputs_in]) |
| AC_SUBST([cfgoutputs_out]) |
| AC_OUTPUT |
| |
| dnl ============================================================================ |
| dnl Print out the results of configuration. |
| AC_MSG_RESULT([===============================================================================]) |
| AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) |
| AC_MSG_RESULT([library revision : ${rev}]) |
| AC_MSG_RESULT([]) |
| AC_MSG_RESULT([CC : ${CC}]) |
| AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) |
| AC_MSG_RESULT([CFLAGS : ${CFLAGS}]) |
| AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) |
| AC_MSG_RESULT([LIBS : ${LIBS}]) |
| AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) |
| AC_MSG_RESULT([]) |
| AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) |
| AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) |
| AC_MSG_RESULT([]) |
| AC_MSG_RESULT([PREFIX : ${PREFIX}]) |
| AC_MSG_RESULT([BINDIR : ${BINDIR}]) |
| AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) |
| AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) |
| AC_MSG_RESULT([DATADIR : ${DATADIR}]) |
| AC_MSG_RESULT([MANDIR : ${MANDIR}]) |
| AC_MSG_RESULT([]) |
| AC_MSG_RESULT([srcroot : ${srcroot}]) |
| AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) |
| AC_MSG_RESULT([objroot : ${objroot}]) |
| AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) |
| AC_MSG_RESULT([]) |
| AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) |
| AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) |
| AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) |
| AC_MSG_RESULT([install_suffix : ${install_suffix}]) |
| AC_MSG_RESULT([autogen : ${enable_autogen}]) |
| AC_MSG_RESULT([experimental : ${enable_experimental}]) |
| AC_MSG_RESULT([cc-silence : ${enable_cc_silence}]) |
| AC_MSG_RESULT([debug : ${enable_debug}]) |
| AC_MSG_RESULT([stats : ${enable_stats}]) |
| AC_MSG_RESULT([prof : ${enable_prof}]) |
| AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) |
| AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) |
| AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) |
| AC_MSG_RESULT([tcache : ${enable_tcache}]) |
| AC_MSG_RESULT([fill : ${enable_fill}]) |
| AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) |
| AC_MSG_RESULT([dss : ${enable_dss}]) |
| AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) |
| AC_MSG_RESULT([tls : ${enable_tls}]) |
| AC_MSG_RESULT([===============================================================================]) |