blob: 0b026d0c9366a21b2f94a891015af29e61076792 [file] [log] [blame]
Benjamin Petersonfbeb6b62008-05-26 16:04:49 +00001dnl ***********************************************
2dnl * Please run autoreconf to test your changes! *
3dnl ***********************************************
Martin v. Löwis88afe662002-10-26 13:47:44 +00004
5# Set VERSION so we only need to edit in one place (i.e., here)
Benjamin Petersona8c22a02015-05-27 23:29:00 -05006m4_define(PYTHON_VERSION, 3.6)
Martin v. Löwis88afe662002-10-26 13:47:44 +00007
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00008AC_PREREQ(2.65)
Alexandre Vassalottib89910f2009-07-18 00:33:23 +00009
Georg Brandle2e15612009-05-20 18:25:10 +000010AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/)
Benjamin Peterson8c6f88e2011-05-31 20:52:17 -050011
Trent Nelson4d4ec652012-10-16 08:51:24 -040012AC_SUBST(BASECPPFLAGS)
Trent Nelson5595ab52012-10-17 04:47:31 -040013if test "$abs_srcdir" != "$abs_builddir"; then
Trent Nelson4d4ec652012-10-16 08:51:24 -040014 # If we're building out-of-tree, we need to make sure the following
15 # resources get picked up before their $srcdir counterparts.
16 # Objects/ -> typeslots.inc
17 # Include/ -> Python-ast.h, graminit.h
18 # Python/ -> importlib.h
19 # (A side effect of this is that these resources will automatically be
20 # regenerated when building out-of-tree, regardless of whether or not
21 # the $srcdir counterpart is up-to-date. This is an acceptable trade
22 # off.)
23 BASECPPFLAGS="-IObjects -IInclude -IPython"
24else
25 BASECPPFLAGS=""
26fi
27
Benjamin Peterson8c6f88e2011-05-31 20:52:17 -050028AC_SUBST(HGVERSION)
29AC_SUBST(HGTAG)
30AC_SUBST(HGBRANCH)
31
Antoine Pitroud3b2aef2011-07-27 01:22:41 +020032if test -e $srcdir/.hg/dirstate
Benjamin Peterson8c6f88e2011-05-31 20:52:17 -050033then
34AC_CHECK_PROG(HAS_HG, hg, found, not-found)
35else
36HAS_HG=no-repository
37fi
38if test $HAS_HG = found
39then
40 HGVERSION="hg id -i \$(srcdir)"
41 HGTAG="hg id -t \$(srcdir)"
42 HGBRANCH="hg id -b \$(srcdir)"
43else
44 HGVERSION=""
45 HGTAG=""
46 HGBRANCH=""
47fi
48
Martin v. Löwis88afe662002-10-26 13:47:44 +000049AC_CONFIG_SRCDIR([Include/object.h])
Martin v. Löwis4f1cd8b2001-07-26 13:41:06 +000050AC_CONFIG_HEADER(pyconfig.h)
Guido van Rossum627b2d71993-12-24 10:39:16 +000051
Martin Panter1046d5c2016-04-23 00:58:44 +000052AC_SUBST(cross_compiling)
Matthias Kloseca2f6ec2012-03-15 21:30:11 +010053AC_CANONICAL_HOST
doko@python.orga10e4a92013-01-25 18:45:12 +010054AC_SUBST(build)
55AC_SUBST(host)
Matthias Kloseca2f6ec2012-03-15 21:30:11 +010056
Ned Deilyfcbc2462014-08-22 13:32:49 -070057# pybuilddir.txt will be created by --generate-posix-vars in the Makefile
58rm -f pybuilddir.txt
59
doko@ubuntu.com1abe1c52012-06-30 20:42:45 +020060if test "$cross_compiling" = yes; then
61 AC_MSG_CHECKING([for python interpreter for cross build])
62 if test -z "$PYTHON_FOR_BUILD"; then
63 for interp in python$PACKAGE_VERSION python3 python; do
64 which $interp >/dev/null 2>&1 || continue
65 if $interp -c 'import sys;sys.exit(not sys.version_info@<:@:2@:>@ >= (3,3))'; then
66 break
67 fi
68 interp=
69 done
70 if test x$interp = x; then
71 AC_MSG_ERROR([python$PACKAGE_VERSION interpreter not found])
72 fi
73 AC_MSG_RESULT($interp)
doko@python.org244b6872013-01-26 12:08:25 +010074 PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR) '$interp
doko@ubuntu.com1abe1c52012-06-30 20:42:45 +020075 fi
Christian Heimes954ac032012-12-12 13:10:21 +010076elif test "$cross_compiling" = maybe; then
77 AC_MSG_ERROR([Cross compiling required --host=HOST-TUPLE and --build=ARCH])
doko@ubuntu.com1abe1c52012-06-30 20:42:45 +020078else
79 PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
80fi
81AC_SUBST(PYTHON_FOR_BUILD)
82
Benjamin Petersond23f8222009-04-05 19:13:16 +000083dnl Ensure that if prefix is specified, it does not end in a slash. If
84dnl it does, we get path names containing '//' which is both ugly and
85dnl can cause trouble.
86
87dnl Last slash shouldn't be stripped if prefix=/
88if test "$prefix" != "/"; then
89 prefix=`echo "$prefix" | sed -e 's/\/$//g'`
Victor Stinner1b80b242016-04-12 22:34:58 +020090fi
Benjamin Petersond23f8222009-04-05 19:13:16 +000091
Martin v. Löwis8316feb2003-06-14 07:48:07 +000092dnl This is for stuff that absolutely must end up in pyconfig.h.
93dnl Please use pyport.h instead, if possible.
Martin v. Löwisbddf5a52002-11-11 13:37:28 +000094AH_TOP([
95#ifndef Py_PYCONFIG_H
96#define Py_PYCONFIG_H
97])
Martin v. Löwis11437992002-04-12 09:54:03 +000098AH_BOTTOM([
Martin v. Löwis11437992002-04-12 09:54:03 +000099/* Define the macros needed if on a UnixWare 7.x system. */
100#if defined(__USLC__) && defined(__SCO_VERSION__)
101#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
102#endif
Martin v. Löwisbddf5a52002-11-11 13:37:28 +0000103
104#endif /*Py_PYCONFIG_H*/
Martin v. Löwis11437992002-04-12 09:54:03 +0000105])
106
Martin v. Löwis8316feb2003-06-14 07:48:07 +0000107# We don't use PACKAGE_ variables, and they cause conflicts
108# with other autoconf-based packages that include Python.h
109grep -v 'define PACKAGE_' <confdefs.h >confdefs.h.new
110rm confdefs.h
111mv confdefs.h.new confdefs.h
112
Guido van Rossum642b6781997-07-19 19:35:41 +0000113AC_SUBST(VERSION)
Martin v. Löwis88afe662002-10-26 13:47:44 +0000114VERSION=PYTHON_VERSION
Guido van Rossum642b6781997-07-19 19:35:41 +0000115
Georg Brandlde7d8342010-09-03 22:19:07 +0000116# Version number of Python's own shared library file.
Martin v. Löwis1142de32002-03-29 16:28:31 +0000117AC_SUBST(SOVERSION)
118SOVERSION=1.0
119
Martin v. Löwis6f18a3c2002-07-20 08:51:52 +0000120# The later defininition of _XOPEN_SOURCE disables certain features
121# on Linux, so we need _GNU_SOURCE to re-enable them (makedev, tm_zone).
122AC_DEFINE(_GNU_SOURCE, 1, [Define on Linux to activate all library features])
123
Martin v. Löwisbcd93962003-05-03 10:32:18 +0000124# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
125# certain features on NetBSD, so we need _NETBSD_SOURCE to re-enable
126# them.
127AC_DEFINE(_NETBSD_SOURCE, 1, [Define on NetBSD to activate all library features])
128
Andrew MacIntyreabccf412003-07-02 13:53:25 +0000129# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
130# certain features on FreeBSD, so we need __BSD_VISIBLE to re-enable
131# them.
132AC_DEFINE(__BSD_VISIBLE, 1, [Define on FreeBSD to activate all library features])
133
Martin v. Löwisd6320502004-08-12 13:45:08 +0000134# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
135# u_int on Irix 5.3. Defining _BSD_TYPES brings it back.
136AC_DEFINE(_BSD_TYPES, 1, [Define on Irix to enable u_int])
137
Georg Brandlfcaf9102008-07-16 02:17:56 +0000138# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
139# certain features on Mac OS X, so we need _DARWIN_C_SOURCE to re-enable
140# them.
141AC_DEFINE(_DARWIN_C_SOURCE, 1, [Define on Darwin to activate all library features])
142
143
Martin v. Löwise981a4e2002-11-11 13:26:51 +0000144define_xopen_source=yes
Martin v. Löwis6f18a3c2002-07-20 08:51:52 +0000145
Neil Schemenauer4edbc2a2001-03-22 00:34:03 +0000146# Arguments passed to configure.
147AC_SUBST(CONFIG_ARGS)
148CONFIG_ARGS="$ac_configure_args"
149
Ronald Oussoren8af24c12010-02-07 12:03:42 +0000150AC_MSG_CHECKING([for --enable-universalsdk])
Thomas Wouters477c8d52006-05-27 19:21:47 +0000151AC_ARG_ENABLE(universalsdk,
Ned Deilycbfb9a52012-06-23 16:02:19 -0700152 AS_HELP_STRING([--enable-universalsdk@<:@=SDKDIR@:>@], [Build fat binary against Mac OS X SDK]),
Thomas Wouters477c8d52006-05-27 19:21:47 +0000153[
154 case $enableval in
155 yes)
Ned Deilycbfb9a52012-06-23 16:02:19 -0700156 # Locate the best usable SDK, see Mac/README.txt for more
157 # information
158 enableval="`/usr/bin/xcodebuild -version -sdk macosx Path 2>/dev/null`"
Ned Deily87adb6e2013-10-18 21:09:56 -0700159 if ! ( echo $enableval | grep -E '\.sdk' 1>/dev/null )
Ronald Oussoren8af24c12010-02-07 12:03:42 +0000160 then
Ned Deilycbfb9a52012-06-23 16:02:19 -0700161 enableval=/Developer/SDKs/MacOSX10.4u.sdk
162 if test ! -d "${enableval}"
163 then
164 enableval=/
165 fi
Ronald Oussoren8af24c12010-02-07 12:03:42 +0000166 fi
Thomas Wouters477c8d52006-05-27 19:21:47 +0000167 ;;
168 esac
169 case $enableval in
170 no)
171 UNIVERSALSDK=
172 enable_universalsdk=
173 ;;
174 *)
175 UNIVERSALSDK=$enableval
Ronald Oussoren8af24c12010-02-07 12:03:42 +0000176 if test ! -d "${UNIVERSALSDK}"
177 then
178 AC_MSG_ERROR([--enable-universalsdk specifies non-existing SDK: ${UNIVERSALSDK}])
179 fi
Thomas Wouters477c8d52006-05-27 19:21:47 +0000180 ;;
181 esac
Victor Stinner1b80b242016-04-12 22:34:58 +0200182
Thomas Wouters477c8d52006-05-27 19:21:47 +0000183],[
184 UNIVERSALSDK=
185 enable_universalsdk=
186])
Ronald Oussoren8af24c12010-02-07 12:03:42 +0000187if test -n "${UNIVERSALSDK}"
188then
189 AC_MSG_RESULT(${UNIVERSALSDK})
190else
191 AC_MSG_RESULT(no)
192fi
Thomas Wouters477c8d52006-05-27 19:21:47 +0000193AC_SUBST(UNIVERSALSDK)
194
Benjamin Peterson6794aa32008-07-16 20:33:37 +0000195AC_SUBST(ARCH_RUN_32BIT)
Ned Deily87adb6e2013-10-18 21:09:56 -0700196ARCH_RUN_32BIT=""
Benjamin Peterson6794aa32008-07-16 20:33:37 +0000197
Ned Deilycbfb9a52012-06-23 16:02:19 -0700198# For backward compatibility reasons we prefer to select '32-bit' if available,
199# otherwise use 'intel'
Georg Brandlfcaf9102008-07-16 02:17:56 +0000200UNIVERSAL_ARCHS="32-bit"
Ned Deilycbfb9a52012-06-23 16:02:19 -0700201if test "`uname -s`" = "Darwin"
202then
203 if test -n "${UNIVERSALSDK}"
204 then
Ned Deily87adb6e2013-10-18 21:09:56 -0700205 if test -z "`/usr/bin/file -L "${UNIVERSALSDK}/usr/lib/libSystem.dylib" | grep ppc`"
Ned Deilycbfb9a52012-06-23 16:02:19 -0700206 then
207 UNIVERSAL_ARCHS="intel"
208 fi
209 fi
210fi
211
Ronald Oussoren6f6c5622009-12-24 14:03:19 +0000212AC_SUBST(LIPO_32BIT_FLAGS)
Georg Brandlfcaf9102008-07-16 02:17:56 +0000213AC_MSG_CHECKING(for --with-universal-archs)
214AC_ARG_WITH(universal-archs,
Ned Deily87adb6e2013-10-18 21:09:56 -0700215 AS_HELP_STRING([--with-universal-archs=ARCH], [select architectures for universal build ("32-bit", "64-bit", "3-way", "intel", "intel-32", or "all")]),
Georg Brandlfcaf9102008-07-16 02:17:56 +0000216[
Georg Brandlfcaf9102008-07-16 02:17:56 +0000217 UNIVERSAL_ARCHS="$withval"
218],
Ned Deily87adb6e2013-10-18 21:09:56 -0700219[])
220if test -n "${UNIVERSALSDK}"
221then
222 AC_MSG_RESULT(${UNIVERSAL_ARCHS})
223else
224 AC_MSG_RESULT(no)
225fi
Georg Brandlfcaf9102008-07-16 02:17:56 +0000226
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000227AC_ARG_WITH(framework-name,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000228 AS_HELP_STRING([--with-framework-name=FRAMEWORK],
Matthias Klosec80c93f2010-04-24 17:04:35 +0000229 [specify an alternate name of the framework built with --enable-framework]),
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000230[
231 PYTHONFRAMEWORK=${withval}
232 PYTHONFRAMEWORKDIR=${withval}.framework
233 PYTHONFRAMEWORKIDENTIFIER=org.python.`echo $withval | tr '[A-Z]' '[a-z]'`
234 ],[
235 PYTHONFRAMEWORK=Python
236 PYTHONFRAMEWORKDIR=Python.framework
237 PYTHONFRAMEWORKIDENTIFIER=org.python.python
238])
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000239dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000240AC_ARG_ENABLE(framework,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000241 AS_HELP_STRING([--enable-framework@<:@=INSTALLDIR@:>@], [Build (MacOSX|Darwin) framework]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000242[
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000243 case $enableval in
Victor Stinner1b80b242016-04-12 22:34:58 +0200244 yes)
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000245 enableval=/Library/Frameworks
Jack Jansen127e56e2001-09-11 14:41:54 +0000246 esac
247 case $enableval in
248 no)
249 PYTHONFRAMEWORK=
250 PYTHONFRAMEWORKDIR=no-framework
251 PYTHONFRAMEWORKPREFIX=
252 PYTHONFRAMEWORKINSTALLDIR=
Thomas Wouters477c8d52006-05-27 19:21:47 +0000253 FRAMEWORKINSTALLFIRST=
254 FRAMEWORKINSTALLLAST=
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000255 FRAMEWORKALTINSTALLFIRST=
256 FRAMEWORKALTINSTALLLAST=
Ned Deilyb8f944f2013-11-21 22:42:25 -0800257 FRAMEWORKPYTHONW=
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000258 if test "x${prefix}" = "xNONE"; then
259 FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
260 else
261 FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
262 fi
Jack Jansen127e56e2001-09-11 14:41:54 +0000263 enable_framework=
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000264 ;;
265 *)
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000266 PYTHONFRAMEWORKPREFIX="${enableval}"
Jack Jansen127e56e2001-09-11 14:41:54 +0000267 PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
Thomas Wouters477c8d52006-05-27 19:21:47 +0000268 FRAMEWORKINSTALLFIRST="frameworkinstallstructure"
Ronald Oussorenf6ccbf62009-06-02 10:55:56 +0000269 FRAMEWORKALTINSTALLFIRST="frameworkinstallstructure "
Ronald Oussoren6f6c5622009-12-24 14:03:19 +0000270 FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools"
271 FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkaltinstallunixtools"
Ned Deilyb8f944f2013-11-21 22:42:25 -0800272 FRAMEWORKPYTHONW="frameworkpythonw"
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000273 FRAMEWORKINSTALLAPPSPREFIX="/Applications"
Georg Brandlfcaf9102008-07-16 02:17:56 +0000274
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000275 if test "x${prefix}" = "xNONE" ; then
276 FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000277
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000278 else
279 FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
280 fi
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000281
282 case "${enableval}" in
283 /System*)
284 FRAMEWORKINSTALLAPPSPREFIX="/Applications"
285 if test "${prefix}" = "NONE" ; then
286 # See below
287 FRAMEWORKUNIXTOOLSPREFIX="/usr"
288 fi
289 ;;
290
291 /Library*)
292 FRAMEWORKINSTALLAPPSPREFIX="/Applications"
293 ;;
294
295 */Library/Frameworks)
296 MDIR="`dirname "${enableval}"`"
297 MDIR="`dirname "${MDIR}"`"
298 FRAMEWORKINSTALLAPPSPREFIX="${MDIR}/Applications"
299
300 if test "${prefix}" = "NONE"; then
Victor Stinner1b80b242016-04-12 22:34:58 +0200301 # User hasn't specified the
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000302 # --prefix option, but wants to install
303 # the framework in a non-default location,
304 # ensure that the compatibility links get
305 # installed relative to that prefix as well
306 # instead of in /usr/local.
307 FRAMEWORKUNIXTOOLSPREFIX="${MDIR}"
308 fi
309 ;;
310
311 *)
312 FRAMEWORKINSTALLAPPSPREFIX="/Applications"
313 ;;
314 esac
315
Jack Jansen127e56e2001-09-11 14:41:54 +0000316 prefix=$PYTHONFRAMEWORKINSTALLDIR/Versions/$VERSION
Thomas Wouters477c8d52006-05-27 19:21:47 +0000317
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000318 # Add files for Mac specific code to the list of output
Thomas Wouters477c8d52006-05-27 19:21:47 +0000319 # files:
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000320 AC_CONFIG_FILES(Mac/Makefile)
321 AC_CONFIG_FILES(Mac/PythonLauncher/Makefile)
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000322 AC_CONFIG_FILES(Mac/Resources/framework/Info.plist)
323 AC_CONFIG_FILES(Mac/Resources/app/Info.plist)
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000324 esac
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000325 ],[
326 PYTHONFRAMEWORK=
Jack Jansen127e56e2001-09-11 14:41:54 +0000327 PYTHONFRAMEWORKDIR=no-framework
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000328 PYTHONFRAMEWORKPREFIX=
329 PYTHONFRAMEWORKINSTALLDIR=
Thomas Wouters477c8d52006-05-27 19:21:47 +0000330 FRAMEWORKINSTALLFIRST=
331 FRAMEWORKINSTALLLAST=
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000332 FRAMEWORKALTINSTALLFIRST=
333 FRAMEWORKALTINSTALLLAST=
Ned Deilyb8f944f2013-11-21 22:42:25 -0800334 FRAMEWORKPYTHONW=
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000335 if test "x${prefix}" = "xNONE" ; then
336 FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
337 else
338 FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
339 fi
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000340 enable_framework=
Georg Brandlfcaf9102008-07-16 02:17:56 +0000341
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000342])
343AC_SUBST(PYTHONFRAMEWORK)
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000344AC_SUBST(PYTHONFRAMEWORKIDENTIFIER)
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000345AC_SUBST(PYTHONFRAMEWORKDIR)
346AC_SUBST(PYTHONFRAMEWORKPREFIX)
347AC_SUBST(PYTHONFRAMEWORKINSTALLDIR)
Thomas Wouters477c8d52006-05-27 19:21:47 +0000348AC_SUBST(FRAMEWORKINSTALLFIRST)
349AC_SUBST(FRAMEWORKINSTALLLAST)
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000350AC_SUBST(FRAMEWORKALTINSTALLFIRST)
351AC_SUBST(FRAMEWORKALTINSTALLLAST)
Ned Deilyb8f944f2013-11-21 22:42:25 -0800352AC_SUBST(FRAMEWORKPYTHONW)
Thomas Wouters73e5a5b2006-06-08 15:35:45 +0000353AC_SUBST(FRAMEWORKUNIXTOOLSPREFIX)
Ronald Oussoren86b33c82010-04-30 11:41:56 +0000354AC_SUBST(FRAMEWORKINSTALLAPPSPREFIX)
Guido van Rossum4b6b5791996-09-09 20:09:34 +0000355
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000356##AC_ARG_WITH(dyld,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000357## AS_HELP_STRING([--with-dyld],
Matthias Klosec80c93f2010-04-24 17:04:35 +0000358## [Use (OpenStep|Rhapsody) dynamic linker]))
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000359##
Guido van Rossumb418f891996-07-30 18:06:02 +0000360# Set name for machine-dependent library files
doko@python.orgeab42bf2013-01-26 18:57:19 +0100361AC_ARG_VAR([MACHDEP], [name for machine-dependent library files])
Guido van Rossumb418f891996-07-30 18:06:02 +0000362AC_MSG_CHECKING(MACHDEP)
363if test -z "$MACHDEP"
364then
Matthias Klosedf2aecb2012-03-15 22:19:28 +0100365 # avoid using uname for cross builds
366 if test "$cross_compiling" = yes; then
doko@python.org44bbbda2013-01-25 14:44:00 +0100367 # ac_sys_system and ac_sys_release are used for setting
368 # a lot of different things including 'define_xopen_source'
369 # in the case statement below.
Matthias Klosedf2aecb2012-03-15 22:19:28 +0100370 case "$host" in
371 *-*-linux*)
372 ac_sys_system=Linux
373 ;;
374 *-*-cygwin*)
375 ac_sys_system=Cygwin
376 ;;
377 *)
378 # for now, limit cross builds to known configurations
379 MACHDEP="unknown"
380 AC_MSG_ERROR([cross build not supported for $host])
381 esac
382 ac_sys_release=
383 else
Guido van Rossum4b6b5791996-09-09 20:09:34 +0000384 ac_sys_system=`uname -s`
Benjamin Peterson8719ad52009-09-11 22:24:02 +0000385 if test "$ac_sys_system" = "AIX" \
Martin v. Löwis21ee4092002-09-30 16:19:48 +0000386 -o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
Guido van Rossum4b6b5791996-09-09 20:09:34 +0000387 ac_sys_release=`uname -v`
Guido van Rossumb418f891996-07-30 18:06:02 +0000388 else
Guido van Rossum4b6b5791996-09-09 20:09:34 +0000389 ac_sys_release=`uname -r`
Guido van Rossumb418f891996-07-30 18:06:02 +0000390 fi
Matthias Klosedf2aecb2012-03-15 22:19:28 +0100391 fi
392 ac_md_system=`echo $ac_sys_system |
393 tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
394 ac_md_release=`echo $ac_sys_release |
395 tr -d '[/ ]' | sed 's/^[[A-Z]]\.//' | sed 's/\..*//'`
396 MACHDEP="$ac_md_system$ac_md_release"
Guido van Rossum4b6b5791996-09-09 20:09:34 +0000397
Matthias Klosedf2aecb2012-03-15 22:19:28 +0100398 case $MACHDEP in
Victor Stinner7209ff22011-08-21 00:00:16 +0200399 linux*) MACHDEP="linux";;
Andrew M. Kuchling5a3e4cb2001-07-20 19:29:04 +0000400 cygwin*) MACHDEP="cygwin";;
Jack Jansen8a97f4a2001-12-05 23:27:32 +0000401 darwin*) MACHDEP="darwin";;
doko@ubuntu.comba015832012-06-30 16:52:05 +0200402 irix646) MACHDEP="irix6";;
Guido van Rossumb97ef171997-09-28 05:44:03 +0000403 '') MACHDEP="unknown";;
Matthias Klosedf2aecb2012-03-15 22:19:28 +0100404 esac
Guido van Rossumb418f891996-07-30 18:06:02 +0000405fi
doko@ubuntu.com1abe1c52012-06-30 20:42:45 +0200406
407AC_SUBST(_PYTHON_HOST_PLATFORM)
408if test "$cross_compiling" = yes; then
409 case "$host" in
410 *-*-linux*)
411 case "$host_cpu" in
412 arm*)
413 _host_cpu=arm
414 ;;
415 *)
416 _host_cpu=$host_cpu
417 esac
418 ;;
419 *-*-cygwin*)
420 _host_cpu=
421 ;;
422 *)
423 # for now, limit cross builds to known configurations
424 MACHDEP="unknown"
425 AC_MSG_ERROR([cross build not supported for $host])
426 esac
427 _PYTHON_HOST_PLATFORM="$MACHDEP${_host_cpu:+-$_host_cpu}"
428fi
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200429
Martin v. Löwise981a4e2002-11-11 13:26:51 +0000430# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
431# disable features if it is defined, without any means to access these
432# features as extensions. For these systems, we skip the definition of
433# _XOPEN_SOURCE. Before adding a system to the list to gain access to
434# some feature, make sure there is no alternative way to access this
435# feature. Also, when using wildcards, make sure you have verified the
436# need for not defining _XOPEN_SOURCE on all systems matching the
437# wildcard, and that the wildcard does not include future systems
438# (which may remove their limitations).
439dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
440case $ac_sys_system/$ac_sys_release in
441 # On OpenBSD, select(2) is not available if _XOPEN_SOURCE is defined,
442 # even though select is a POSIX function. Reported by J. Ribbens.
Martin v. Löwis76bafc62003-10-03 13:47:44 +0000443 # Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish.
Martin v. Löwis19ed3c82010-02-15 21:45:06 +0000444 # In addition, Stefan Krah confirms that issue #1244610 exists through
445 # OpenBSD 4.6, but is fixed in 4.7.
Victor Stinner1b80b242016-04-12 22:34:58 +0200446 OpenBSD/2.* | OpenBSD/3.* | OpenBSD/4.@<:@0123456@:>@)
Christian Heimes5b5e81c2007-12-31 16:14:33 +0000447 define_xopen_source=no
448 # OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is
449 # also defined. This can be overridden by defining _BSD_SOURCE
450 # As this has a different meaning on Linux, only define it on OpenBSD
451 AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features])
452 ;;
Charles-François Natali54ef40b2011-07-22 23:52:02 +0200453 OpenBSD/*)
Martin v. Löwis7671efc2010-02-15 08:35:16 +0000454 # OpenBSD undoes our definition of __BSD_VISIBLE if _XOPEN_SOURCE is
455 # also defined. This can be overridden by defining _BSD_SOURCE
456 # As this has a different meaning on Linux, only define it on OpenBSD
457 AC_DEFINE(_BSD_SOURCE, 1, [Define on OpenBSD to activate all library features])
458 ;;
Thomas Wouters89f507f2006-12-13 04:49:30 +0000459 # Defining _XOPEN_SOURCE on NetBSD version prior to the introduction of
460 # _NETBSD_SOURCE disables certain features (eg. setgroups). Reported by
461 # Marc Recht
Benjamin Petersonf608c612008-11-16 18:33:53 +0000462 NetBSD/1.5 | NetBSD/1.5.* | NetBSD/1.6 | NetBSD/1.6.* | NetBSD/1.6@<:@A-S@:>@)
Martin v. Löwise981a4e2002-11-11 13:26:51 +0000463 define_xopen_source=no;;
Martin v. Löwis1a415762010-05-28 15:44:20 +0000464 # From the perspective of Solaris, _XOPEN_SOURCE is not so much a
465 # request to enable features supported by the standard as a request
466 # to disable features not supported by the standard. The best way
467 # for Python to use Solaris is simply to leave _XOPEN_SOURCE out
468 # entirely and define __EXTENSIONS__ instead.
469 SunOS/*)
Martin v. Löwisa9d71422003-03-28 18:43:31 +0000470 define_xopen_source=no;;
Martin v. Löwisc2409b42003-05-11 05:53:41 +0000471 # On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
472 # but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
Martin v. Löwis253d1f42004-05-07 19:14:14 +0000473 # Reconfirmed for 7.1.4 by Martin v. Loewis.
474 OpenUNIX/8.0.0| UnixWare/7.1.@<:@0-4@:>@)
Martin v. Löwisc2409b42003-05-11 05:53:41 +0000475 define_xopen_source=no;;
476 # On OpenServer 5, u_short is never defined with _XOPEN_SOURCE,
Martin v. Löwis53e73c32003-05-05 05:13:18 +0000477 # but used in struct sockaddr.sa_family. Reported by Tim Rice.
Martin v. Löwisc2409b42003-05-11 05:53:41 +0000478 SCO_SV/3.2)
Martin v. Löwis53e73c32003-05-05 05:13:18 +0000479 define_xopen_source=no;;
Martin v. Löwisb37509b2008-11-04 20:45:29 +0000480 # On FreeBSD 4, the math functions C89 does not cover are never defined
481 # with _XOPEN_SOURCE and __BSD_VISIBLE does not re-enable them.
482 FreeBSD/4.*)
483 define_xopen_source=no;;
Victor Stinner1b80b242016-04-12 22:34:58 +0200484 # On MacOS X 10.2, a bug in ncurses.h means that it craps out if
Martin v. Löwisb37509b2008-11-04 20:45:29 +0000485 # _XOPEN_EXTENDED_SOURCE is defined. Apparently, this is fixed in 10.3, which
486 # identifies itself as Darwin/7.*
487 # On Mac OS X 10.4, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
488 # disables platform specific features beyond repair.
Victor Stinner1b80b242016-04-12 22:34:58 +0200489 # On Mac OS X 10.3, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
Martin v. Löwisb37509b2008-11-04 20:45:29 +0000490 # has no effect, don't bother defining them
491 Darwin/@<:@6789@:>@.*)
Anthony Baxter6169c6b2003-10-04 07:46:23 +0000492 define_xopen_source=no;;
Ronald Oussoren92fb9412010-03-09 06:40:19 +0000493 Darwin/1@<:@0-9@:>@.*)
Ronald Oussorenb8f11a62010-03-08 07:02:03 +0000494 define_xopen_source=no;;
Trent Mickaf16e8c2004-08-25 23:55:59 +0000495 # On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
496 # used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
497 # or has another value. By not (re)defining it, the defaults come in place.
Martin v. Löwisc19c5a62003-11-18 20:00:44 +0000498 AIX/4)
499 define_xopen_source=no;;
Trent Mickaf16e8c2004-08-25 23:55:59 +0000500 AIX/5)
501 if test `uname -r` -eq 1; then
502 define_xopen_source=no
503 fi
504 ;;
Georg Brandlf78e02b2008-06-10 17:40:04 +0000505 # On QNX 6.3.2, defining _XOPEN_SOURCE prevents netdb.h from
506 # defining NI_NUMERICHOST.
507 QNX/6.3.2)
508 define_xopen_source=no
509 ;;
Bob Ippolito7026a0a2005-03-28 23:23:47 +0000510
Martin v. Löwise981a4e2002-11-11 13:26:51 +0000511esac
512
513if test $define_xopen_source = yes
514then
Victor Stinner14d098d2011-09-07 22:29:43 +0200515 # X/Open 7, incorporating POSIX.1-2008
516 AC_DEFINE(_XOPEN_SOURCE, 700,
Martin v. Löwis1a415762010-05-28 15:44:20 +0000517 Define to the level of X/Open that your system supports)
Martin v. Löwis678fc1e2002-11-12 06:04:39 +0000518
519 # On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires
520 # definition of _XOPEN_SOURCE_EXTENDED and _POSIX_C_SOURCE, or else
521 # several APIs are not declared. Since this is also needed in some
522 # cases for HP-UX, we define it globally.
Martin v. Löwis1a415762010-05-28 15:44:20 +0000523 AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1,
524 Define to activate Unix95-and-earlier features)
Martin v. Löwis678fc1e2002-11-12 06:04:39 +0000525
Victor Stinnerd169fdc2011-09-08 00:56:17 +0200526 AC_DEFINE(_POSIX_C_SOURCE, 200809L, Define to activate features from IEEE Stds 1003.1-2008)
Martin v. Löwise981a4e2002-11-11 13:26:51 +0000527fi
528
Christian Heimes647cd872013-12-07 23:39:33 +0100529# On HP-UX mbstate_t requires _INCLUDE__STDC_A1_SOURCE
530case $ac_sys_system in
Christian Heimesb02bcae2013-12-08 15:21:08 +0100531 hp*|HP*)
532 define_stdc_a1=yes;;
533 *)
534 define_stdc_a1=no;;
Christian Heimes647cd872013-12-07 23:39:33 +0100535esac
536
Christian Heimesb02bcae2013-12-08 15:21:08 +0100537if test $define_stdc_a1 = yes
538then
539 AC_DEFINE(_INCLUDE__STDC_A1_SOURCE, 1, Define to include mbstate_t for mbrtowc)
540fi
541
Guido van Rossum91922671997-10-09 20:24:13 +0000542#
543# SGI compilers allow the specification of the both the ABI and the
544# ISA on the command line. Depending on the values of these switches,
Martin Panter46f50722016-05-26 05:35:26 +0000545# different and often incompatible code will be generated.
Guido van Rossum91922671997-10-09 20:24:13 +0000546#
547# The SGI_ABI variable can be used to modify the CC and LDFLAGS and
548# thus supply support for various ABI/ISA combinations. The MACHDEP
549# variable is also adjusted.
550#
551AC_SUBST(SGI_ABI)
552if test ! -z "$SGI_ABI"
553then
554 CC="cc $SGI_ABI"
555 LDFLAGS="$SGI_ABI $LDFLAGS"
556 MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
557fi
Guido van Rossumb418f891996-07-30 18:06:02 +0000558AC_MSG_RESULT($MACHDEP)
559
Jack Jansen6b08a402004-06-03 12:41:45 +0000560# Record the configure-time value of MACOSX_DEPLOYMENT_TARGET,
561# it may influence the way we can build extensions, so distutils
562# needs to check it
563AC_SUBST(CONFIGURE_MACOSX_DEPLOYMENT_TARGET)
Thomas Wouters477c8d52006-05-27 19:21:47 +0000564AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
Jack Jansen6b08a402004-06-03 12:41:45 +0000565CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
Thomas Wouters477c8d52006-05-27 19:21:47 +0000566EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
Jack Jansen6b08a402004-06-03 12:41:45 +0000567
Guido van Rossum627b2d71993-12-24 10:39:16 +0000568# checks for alternative programs
Skip Montanarodecc6a42003-01-01 20:07:49 +0000569
570# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
571# for debug/optimization stuff. BASECFLAGS is for flags that are required
572# just to get things to compile and link. Users are free to override OPT
573# when running configure or make. The build should not break if they do.
574# BASECFLAGS should generally not be messed with, however.
575
576# XXX shouldn't some/most/all of this code be merged with the stuff later
577# on that fiddles with OPT and BASECFLAGS?
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000578AC_MSG_CHECKING(for --without-gcc)
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000579AC_ARG_WITH(gcc,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000580 AS_HELP_STRING([--without-gcc], [never use gcc]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000581[
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000582 case $withval in
Benjamin Peterson960cf0f2009-01-09 04:11:44 +0000583 no) CC=${CC:-cc}
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000584 without_gcc=yes;;
585 yes) CC=gcc
586 without_gcc=no;;
587 *) CC=$withval
588 without_gcc=$withval;;
Guido van Rossum55a214e1995-09-13 17:48:09 +0000589 esac], [
Guido van Rossumb418f891996-07-30 18:06:02 +0000590 case $ac_sys_system in
Antoine Pitrouf6350d22010-09-21 15:19:14 +0000591 AIX*) CC=${CC:-xlc_r}
Neil Schemenauerb3531b82001-02-16 04:09:05 +0000592 without_gcc=;;
Martin v. Löwis130fb172001-07-19 11:00:41 +0000593 *) without_gcc=no;;
Guido van Rossum55a214e1995-09-13 17:48:09 +0000594 esac])
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000595AC_MSG_RESULT($without_gcc)
596
Zachary Ware5af85642015-12-21 12:09:17 -0600597AC_MSG_CHECKING(for --with-icc)
598AC_ARG_WITH(icc,
599 AS_HELP_STRING([--with-icc], [build with icc]),
600[
601 case $withval in
602 no) CC=${CC:-cc}
603 with_icc=no;;
604 yes) CC=icc
605 CXX=icpc
606 with_icc=yes;;
607 *) CC=$withval
608 with_icc=$withval;;
609 esac], [
610 with_icc=no])
611AC_MSG_RESULT($with_icc)
612
Guido van Rossum03ad99f1995-03-09 14:09:54 +0000613# If the user switches compilers, we can't believe the cache
614if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
615then
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000616 AC_MSG_ERROR([cached CC is different -- throw away $cache_file
617(it is also a good idea to do 'make clean' before compiling)])
Guido van Rossum03ad99f1995-03-09 14:09:54 +0000618fi
619
Jeffrey Yasskind4fcdb12010-07-09 16:30:58 +0000620# Don't let AC_PROG_CC set the default CFLAGS. It normally sets -g -O2
621# when the compiler supports them, but we don't always want -O2, and
622# we set -g later.
623if test -z "$CFLAGS"; then
624 CFLAGS=
Marc-André Lemburgdf700f02010-04-30 17:29:56 +0000625fi
Ned Deilycbfb9a52012-06-23 16:02:19 -0700626
627if test "$ac_sys_system" = "Darwin"
628then
629 # Compiler selection on MacOSX is more complicated than
630 # AC_PROG_CC can handle, see Mac/README.txt for more
631 # information
632 if test -z "${CC}"
633 then
634 found_gcc=
635 found_clang=
636 as_save_IFS=$IFS; IFS=:
637 for as_dir in $PATH
638 do
639 IFS=$as_save_IFS
640 if test -x $as_dir/gcc; then
641 if test -z "${found_gcc}"; then
642 found_gcc=$as_dir/gcc
643 fi
644 fi
645 if test -x $as_dir/clang; then
646 if test -z "${found_clang}"; then
647 found_clang=$as_dir/clang
648 fi
649 fi
650 done
651 IFS=$as_save_IFS
652
653 if test -n "$found_gcc" -a -n "$found_clang"
654 then
655 if test -n "`"$found_gcc" --version | grep llvm-gcc`"
656 then
657 AC_MSG_NOTICE([Detected llvm-gcc, falling back to clang])
658 CC="$found_clang"
659 CXX="$found_clang++"
660 fi
661
662
663 elif test -z "$found_gcc" -a -n "$found_clang"
664 then
665 AC_MSG_NOTICE([No GCC found, use CLANG])
666 CC="$found_clang"
667 CXX="$found_clang++"
668
669 elif test -z "$found_gcc" -a -z "$found_clang"
670 then
671 found_clang=`/usr/bin/xcrun -find clang 2>/dev/null`
672 if test -n "${found_clang}"
673 then
674 AC_MSG_NOTICE([Using clang from Xcode.app])
675 CC="${found_clang}"
676 CXX="`/usr/bin/xcrun -find clang++`"
677
678 # else: use default behaviour
679 fi
680 fi
681 fi
682fi
Jeffrey Yasskind4fcdb12010-07-09 16:30:58 +0000683AC_PROG_CC
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200684AC_PROG_CPP
685AC_PROG_GREP
Martin v. Löwis1d5ecb72001-08-09 10:29:44 +0000686
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000687AC_SUBST(CXX)
688AC_SUBST(MAINCC)
689AC_MSG_CHECKING(for --with-cxx-main=<compiler>)
690AC_ARG_WITH(cxx_main,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000691 AS_HELP_STRING([--with-cxx-main=<compiler>],
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000692 [compile main() and link python executable with C++ compiler]),
693[
Victor Stinner1b80b242016-04-12 22:34:58 +0200694
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000695 case $withval in
696 no) with_cxx_main=no
697 MAINCC='$(CC)';;
698 yes) with_cxx_main=yes
699 MAINCC='$(CXX)';;
700 *) with_cxx_main=yes
701 MAINCC=$withval
702 if test -z "$CXX"
703 then
704 CXX=$withval
705 fi;;
706 esac], [
707 with_cxx_main=no
708 MAINCC='$(CC)'
709])
710AC_MSG_RESULT($with_cxx_main)
711
712preset_cxx="$CXX"
713if test -z "$CXX"
714then
715 case "$CC" in
doko@ubuntu.com51f65942012-06-30 14:42:46 +0200716 gcc) AC_PATH_TOOL(CXX, [g++], [g++], [notfound]) ;;
717 cc) AC_PATH_TOOL(CXX, [c++], [c++], [notfound]) ;;
718 clang|*/clang) AC_PATH_TOOL(CXX, [clang++], [clang++], [notfound]) ;;
Zachary Ware5af85642015-12-21 12:09:17 -0600719 icc|*/icc) AC_PATH_TOOL(CXX, [icpc], [icpc], [notfound]) ;;
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000720 esac
721 if test "$CXX" = "notfound"
722 then
723 CXX=""
724 fi
725fi
726if test -z "$CXX"
727then
doko@ubuntu.com51f65942012-06-30 14:42:46 +0200728 AC_CHECK_TOOLS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000729 if test "$CXX" = "notfound"
730 then
731 CXX=""
732 fi
733fi
734if test "$preset_cxx" != "$CXX"
735then
Christian Heimesfe32aec2013-11-20 01:18:26 +0100736 AC_MSG_NOTICE([
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000737
738 By default, distutils will build C++ extension modules with "$CXX".
739 If this is not intended, then set CXX on the configure command line.
740 ])
741fi
742
743
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200744MULTIARCH=$($CC --print-multiarch 2>/dev/null)
745AC_SUBST(MULTIARCH)
746
747AC_MSG_CHECKING([for the platform triplet based on compiler characteristics])
748cat >> conftest.c <<EOF
doko@ubuntu.com5cc9c4f2015-04-19 14:44:05 +0200749#undef bfin
750#undef cris
751#undef fr30
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200752#undef linux
doko@ubuntu.com5cc9c4f2015-04-19 14:44:05 +0200753#undef hppa
754#undef hpux
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200755#undef i386
doko@ubuntu.com5cc9c4f2015-04-19 14:44:05 +0200756#undef mips
doko@ubuntu.com9abe0492015-04-15 23:31:02 +0200757#undef powerpc
doko@ubuntu.com5cc9c4f2015-04-19 14:44:05 +0200758#undef sparc
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200759#undef unix
760#if defined(__linux__)
761# if defined(__x86_64__) && defined(__LP64__)
762 x86_64-linux-gnu
763# elif defined(__x86_64__) && defined(__ILP32__)
764 x86_64-linux-gnux32
765# elif defined(__i386__)
766 i386-linux-gnu
767# elif defined(__aarch64__) && defined(__AARCH64EL__)
768# if defined(__ILP32__)
769 aarch64_ilp32-linux-gnu
770# else
771 aarch64-linux-gnu
772# endif
773# elif defined(__aarch64__) && defined(__AARCH64EB__)
774# if defined(__ILP32__)
775 aarch64_be_ilp32-linux-gnu
776# else
777 aarch64_be-linux-gnu
778# endif
779# elif defined(__alpha__)
780 alpha-linux-gnu
781# elif defined(__ARM_EABI__) && defined(__ARM_PCS_VFP)
782# if defined(__ARMEL__)
783 arm-linux-gnueabihf
784# else
785 armeb-linux-gnueabihf
786# endif
787# elif defined(__ARM_EABI__) && !defined(__ARM_PCS_VFP)
788# if defined(__ARMEL__)
789 arm-linux-gnueabi
790# else
791 armeb-linux-gnueabi
792# endif
793# elif defined(__hppa__)
794 hppa-linux-gnu
795# elif defined(__ia64__)
796 ia64-linux-gnu
797# elif defined(__m68k__) && !defined(__mcoldfire__)
798 m68k-linux-gnu
799# elif defined(__mips_hard_float) && defined(_MIPSEL)
800# if _MIPS_SIM == _ABIO32
801 mipsel-linux-gnu
802# elif _MIPS_SIM == _ABIN32
803 mips64el-linux-gnuabin32
804# elif _MIPS_SIM == _ABI64
805 mips64el-linux-gnuabi64
806# else
807# error unknown platform triplet
808# endif
809# elif defined(__mips_hard_float)
810# if _MIPS_SIM == _ABIO32
811 mips-linux-gnu
812# elif _MIPS_SIM == _ABIN32
813 mips64-linux-gnuabin32
814# elif _MIPS_SIM == _ABI64
815 mips64-linux-gnuabi64
816# else
817# error unknown platform triplet
818# endif
819# elif defined(__or1k__)
820 or1k-linux-gnu
821# elif defined(__powerpc__) && defined(__SPE__)
822 powerpc-linux-gnuspe
823# elif defined(__powerpc64__)
824# if defined(__LITTLE_ENDIAN__)
825 powerpc64le-linux-gnu
826# else
827 powerpc64-linux-gnu
828# endif
829# elif defined(__powerpc__)
830 powerpc-linux-gnu
831# elif defined(__s390x__)
832 s390x-linux-gnu
833# elif defined(__s390__)
834 s390-linux-gnu
835# elif defined(__sh__) && defined(__LITTLE_ENDIAN__)
836 sh4-linux-gnu
837# elif defined(__sparc__) && defined(__arch64__)
838 sparc64-linux-gnu
839# elif defined(__sparc__)
840 sparc-linux-gnu
841# else
842# error unknown platform triplet
843# endif
844#elif defined(__FreeBSD_kernel__)
845# if defined(__LP64__)
846 x86_64-kfreebsd-gnu
847# elif defined(__i386__)
848 i386-kfreebsd-gnu
849# else
850# error unknown platform triplet
851# endif
852#elif defined(__gnu_hurd__)
853 i386-gnu
Ned Deily3b812482015-04-15 17:11:47 -0700854#elif defined(__APPLE__)
855 darwin
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200856#else
857# error unknown platform triplet
858#endif
859
860EOF
861
862if $CPP conftest.c >conftest.out 2>/dev/null; then
863 PLATFORM_TRIPLET=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' '`
864 AC_MSG_RESULT([$PLATFORM_TRIPLET])
865else
866 AC_MSG_RESULT([none])
867fi
868rm -f conftest.c conftest.out
869
870if test x$PLATFORM_TRIPLET != x && test x$MULTIARCH != x; then
871 if test x$PLATFORM_TRIPLET != x$MULTIARCH; then
872 AC_MSG_ERROR([internal configure error for the platform triplet, please file a bug report])
873 fi
Victor Stinner1b80b242016-04-12 22:34:58 +0200874fi
doko@ubuntu.comd3899c12015-04-15 20:23:14 +0200875PLATDIR=plat-$MACHDEP
876AC_SUBST(PLATDIR)
877AC_SUBST(PLATFORM_TRIPLET)
878
879
Martin v. Löwis48e14d32011-05-09 07:37:45 +0200880AC_MSG_CHECKING([for -Wl,--no-as-needed])
881save_LDFLAGS="$LDFLAGS"
882LDFLAGS="$LDFLAGS -Wl,--no-as-needed"
883AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
884 [NO_AS_NEEDED="-Wl,--no-as-needed"
885 AC_MSG_RESULT([yes])],
886 [NO_AS_NEEDED=""
887 AC_MSG_RESULT([no])])
888LDFLAGS="$save_LDFLAGS"
889AC_SUBST(NO_AS_NEEDED)
890
891
Martin v. Löwis1d5ecb72001-08-09 10:29:44 +0000892# checks for UNIX variants that set C preprocessor variables
Matthias Kloseaf30c5d2010-04-25 18:43:42 +0000893AC_USE_SYSTEM_EXTENSIONS
Martin v. Löwis1d5ecb72001-08-09 10:29:44 +0000894
Martin v. Löwis779ffc02002-12-02 22:17:01 +0000895# Check for unsupported systems
896case $ac_sys_system/$ac_sys_release in
Guido van Rossumcd16bf62007-06-13 18:07:49 +0000897atheos*|Linux*/1*)
Martin v. Löwis779ffc02002-12-02 22:17:01 +0000898 echo This system \($ac_sys_system/$ac_sys_release\) is no longer supported.
899 echo See README for details.
900 exit 1;;
901esac
902
Neil Schemenauer55f0cf32001-01-24 17:24:33 +0000903AC_EXEEXT
Neil Schemenauer3ae1d0a2001-01-27 06:54:42 +0000904AC_MSG_CHECKING(for --with-suffix)
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000905AC_ARG_WITH(suffix,
Matthias Klose2b8733f2010-04-25 18:34:36 +0000906 AS_HELP_STRING([--with-suffix=.exe], [set executable suffix]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +0000907[
Neil Schemenauer3ae1d0a2001-01-27 06:54:42 +0000908 case $withval in
909 no) EXEEXT=;;
910 yes) EXEEXT=.exe;;
911 *) EXEEXT=$withval;;
912 esac])
913AC_MSG_RESULT($EXEEXT)
Jack Jansen1999ef42001-12-06 21:47:20 +0000914
Jack Jansen9a66b6d2001-08-08 13:56:14 +0000915# Test whether we're running on a non-case-sensitive system, in which
916# case we give a warning if no ext is given
Jack Jansen1999ef42001-12-06 21:47:20 +0000917AC_SUBST(BUILDEXEEXT)
918AC_MSG_CHECKING(for case-insensitive build directory)
Jack Jansen3c2c4332002-11-06 13:33:32 +0000919if test ! -d CaseSensitiveTestDir; then
920mkdir CaseSensitiveTestDir
921fi
922
923if test -d casesensitivetestdir
Jack Jansen9a66b6d2001-08-08 13:56:14 +0000924then
Jack Jansen1999ef42001-12-06 21:47:20 +0000925 AC_MSG_RESULT(yes)
926 BUILDEXEEXT=.exe
927else
928 AC_MSG_RESULT(no)
Jack Jansendd19cf82001-12-06 22:36:17 +0000929 BUILDEXEEXT=$EXEEXT
Jack Jansen9a66b6d2001-08-08 13:56:14 +0000930fi
Jack Jansen3c2c4332002-11-06 13:33:32 +0000931rmdir CaseSensitiveTestDir
Guido van Rossumfb842551997-08-06 23:42:07 +0000932
Guido van Rossumdd997f71998-10-07 19:58:26 +0000933case $MACHDEP in
934bsdos*)
935 case $CC in
936 gcc) CC="$CC -D_HAVE_BSDI";;
937 esac;;
938esac
939
Guido van Rossum84561611997-08-21 00:08:11 +0000940case $ac_sys_system in
941hp*|HP*)
942 case $CC in
Guido van Rossumcd5ff9f2000-09-22 16:15:54 +0000943 cc|*/cc) CC="$CC -Ae";;
Guido van Rossum84561611997-08-21 00:08:11 +0000944 esac;;
945esac
946
Neil Schemenauer61c51152001-01-26 16:18:16 +0000947AC_SUBST(LIBRARY)
948AC_MSG_CHECKING(LIBRARY)
949if test -z "$LIBRARY"
950then
Barry Warsawf040d7d2010-10-18 17:09:07 +0000951 LIBRARY='libpython$(VERSION)$(ABIFLAGS).a'
Neil Schemenauer61c51152001-01-26 16:18:16 +0000952fi
953AC_MSG_RESULT($LIBRARY)
954
Guido van Rossum54ecc3d1999-01-27 17:53:11 +0000955# LDLIBRARY is the name of the library to link against (as opposed to the
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000956# name of the library into which to insert object files). BLDLIBRARY is also
957# the library to link against, usually. On Mac OS X frameworks, BLDLIBRARY
958# is blank as the main program is not linked directly against LDLIBRARY.
959# LDLIBRARYDIR is the path to LDLIBRARY, which is made in a subdirectory. On
960# systems without shared libraries, LDLIBRARY is the same as LIBRARY
961# (defined in the Makefiles). On Cygwin LDLIBRARY is the import library,
962# DLLLIBRARY is the shared (i.e., DLL) library.
Victor Stinner1b80b242016-04-12 22:34:58 +0200963#
Martin v. Löwis1142de32002-03-29 16:28:31 +0000964# RUNSHARED is used to run shared python without installed libraries
965#
966# INSTSONAME is the name of the shared library that will be use to install
967# on the system - some systems like version suffix, others don't
Barry Warsaw8cf4eae2010-10-16 01:04:07 +0000968#
969# LDVERSION is the shared library version number, normally the Python version
970# with the ABI build flags appended.
Guido van Rossum54ecc3d1999-01-27 17:53:11 +0000971AC_SUBST(LDLIBRARY)
Guido van Rossum27552902001-01-23 01:52:26 +0000972AC_SUBST(DLLLIBRARY)
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000973AC_SUBST(BLDLIBRARY)
Martin v. Löwisd1fc34d2010-12-30 14:55:47 +0000974AC_SUBST(PY3LIBRARY)
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000975AC_SUBST(LDLIBRARYDIR)
Martin v. Löwis1142de32002-03-29 16:28:31 +0000976AC_SUBST(INSTSONAME)
977AC_SUBST(RUNSHARED)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +0000978AC_SUBST(LDVERSION)
Neil Schemenauer61c51152001-01-26 16:18:16 +0000979LDLIBRARY="$LIBRARY"
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000980BLDLIBRARY='$(LDLIBRARY)'
Martin v. Löwis09bdf722002-05-08 08:51:29 +0000981INSTSONAME='$(LDLIBRARY)'
Guido van Rossum27552902001-01-23 01:52:26 +0000982DLLLIBRARY=''
Jack Jansenb6e9cad2001-08-15 01:26:28 +0000983LDLIBRARYDIR=''
Martin v. Löwis1142de32002-03-29 16:28:31 +0000984RUNSHARED=''
Barry Warsaw14d98ac2010-11-24 19:43:47 +0000985LDVERSION="$VERSION"
Guido van Rossum54ecc3d1999-01-27 17:53:11 +0000986
Guido van Rossumfb842551997-08-06 23:42:07 +0000987# LINKCC is the command that links the python executable -- default is $(CC).
Martin v. Löwisb7da67a2001-10-18 15:35:38 +0000988# If CXX is set, and if it is needed to link a main function that was
989# compiled with CXX, LINKCC is CXX instead. Always using CXX is undesirable:
990# python might then depend on the C++ runtime
Victor Stinner1b80b242016-04-12 22:34:58 +0200991# This is altered for AIX in order to build the export list before
Guido van Rossumec95c7b1998-08-04 17:59:56 +0000992# linking.
Guido van Rossumfb842551997-08-06 23:42:07 +0000993AC_SUBST(LINKCC)
994AC_MSG_CHECKING(LINKCC)
995if test -z "$LINKCC"
996then
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000997 LINKCC='$(PURIFY) $(MAINCC)'
Guido van Rossumfb842551997-08-06 23:42:07 +0000998 case $ac_sys_system in
999 AIX*)
Neal Norwitz0b27ff92003-03-31 15:53:49 +00001000 exp_extra="\"\""
1001 if test $ac_sys_release -ge 5 -o \
1002 $ac_sys_release -eq 4 -a `uname -r` -ge 2 ; then
1003 exp_extra="."
1004 fi
1005 LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp $exp_extra \$(LIBRARY); $LINKCC";;
Georg Brandlf78e02b2008-06-10 17:40:04 +00001006 QNX*)
1007 # qcc must be used because the other compilers do not
1008 # support -N.
1009 LINKCC=qcc;;
Guido van Rossumfb842551997-08-06 23:42:07 +00001010 esac
1011fi
1012AC_MSG_RESULT($LINKCC)
1013
Tarek Ziadébe720e02009-05-09 11:55:12 +00001014# GNULD is set to "yes" if the GNU linker is used. If this goes wrong
1015# make sure we default having it set to "no": this is used by
1016# distutils.unixccompiler to know if it should add --enable-new-dtags
1017# to linker command lines, and failing to detect GNU ld simply results
1018# in the same bahaviour as before.
1019AC_SUBST(GNULD)
1020AC_MSG_CHECKING(for GNU ld)
1021ac_prog=ld
1022if test "$GCC" = yes; then
1023 ac_prog=`$CC -print-prog-name=ld`
1024fi
1025case `"$ac_prog" -V 2>&1 < /dev/null` in
1026 *GNU*)
1027 GNULD=yes;;
1028 *)
1029 GNULD=no;;
1030esac
1031AC_MSG_RESULT($GNULD)
1032
Daniel Stutzbacha606faa2010-08-31 19:51:07 +00001033AC_C_INLINE
1034if test "$ac_cv_c_inline" != no ; then
Benjamin Petersond7f73e92010-09-05 00:09:07 +00001035 AC_DEFINE(USE_INLINE, 1, [Define to use the C99 inline keyword.])
Daniel Stutzbacha606faa2010-08-31 19:51:07 +00001036 AC_SUBST(USE_INLINE)
1037fi
1038
1039
Martin v. Löwis1142de32002-03-29 16:28:31 +00001040AC_MSG_CHECKING(for --enable-shared)
1041AC_ARG_ENABLE(shared,
Matthias Klose2b8733f2010-04-25 18:34:36 +00001042 AS_HELP_STRING([--enable-shared], [disable/enable building shared python library]))
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00001043
Martin v. Löwis1142de32002-03-29 16:28:31 +00001044if test -z "$enable_shared"
Victor Stinner1b80b242016-04-12 22:34:58 +02001045then
Martin v. Löwisb51033d2002-05-03 05:53:15 +00001046 case $ac_sys_system in
Antoine Pitrou6103ab12009-10-24 20:11:21 +00001047 CYGWIN*)
Martin v. Löwisb51033d2002-05-03 05:53:15 +00001048 enable_shared="yes";;
1049 *)
1050 enable_shared="no";;
1051 esac
Martin v. Löwis1142de32002-03-29 16:28:31 +00001052fi
1053AC_MSG_RESULT($enable_shared)
1054
Skip Montanaro56f6a4f2004-06-18 02:47:22 +00001055AC_MSG_CHECKING(for --enable-profiling)
1056AC_ARG_ENABLE(profiling,
doko@ubuntu.comba015832012-06-30 16:52:05 +02001057 AS_HELP_STRING([--enable-profiling], [enable C-level code profiling]))
1058if test "x$enable_profiling" = xyes; then
1059 ac_save_cc="$CC"
Benjamin Peterson615ea1a2013-03-26 08:55:37 -04001060 CC="$CC -pg"
doko@ubuntu.comba015832012-06-30 16:52:05 +02001061 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
1062 [],
1063 [enable_profiling=no])
1064 CC="$ac_save_cc"
1065else
1066 enable_profiling=no
1067fi
1068AC_MSG_RESULT($enable_profiling)
Skip Montanaro56f6a4f2004-06-18 02:47:22 +00001069
doko@ubuntu.comba015832012-06-30 16:52:05 +02001070if test "x$enable_profiling" = xyes; then
1071 BASECFLAGS="-pg $BASECFLAGS"
1072 LDFLAGS="-pg $LDFLAGS"
1073fi
Martin v. Löwis1142de32002-03-29 16:28:31 +00001074
1075AC_MSG_CHECKING(LDLIBRARY)
Jack Jansenb6e9cad2001-08-15 01:26:28 +00001076
Guido van Rossumb8552162001-09-05 14:58:11 +00001077# MacOSX framework builds need more magic. LDLIBRARY is the dynamic
1078# library that we build, but we do not want to link against it (we
1079# will find it with a -framework option). For this reason there is an
1080# extra variable BLDLIBRARY against which Python and the extension
1081# modules are linked, BLDLIBRARY. This is normally the same as
1082# LDLIBRARY, but empty for MacOSX framework builds.
Jack Jansenb6e9cad2001-08-15 01:26:28 +00001083if test "$enable_framework"
1084then
1085 LDLIBRARY='$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001086 RUNSHARED=DYLD_FRAMEWORK_PATH=`pwd`${DYLD_FRAMEWORK_PATH:+:${DYLD_FRAMEWORK_PATH}}
Jack Jansenb6e9cad2001-08-15 01:26:28 +00001087 BLDLIBRARY=''
1088else
1089 BLDLIBRARY='$(LDLIBRARY)'
Victor Stinner1b80b242016-04-12 22:34:58 +02001090fi
Jack Jansenb6e9cad2001-08-15 01:26:28 +00001091
Martin v. Löwis1142de32002-03-29 16:28:31 +00001092# Other platforms follow
1093if test $enable_shared = "yes"; then
doko@python.org87421192013-01-26 11:39:31 +01001094 PY_ENABLE_SHARED=1
Mark Hammond8235ea12002-07-19 06:55:41 +00001095 AC_DEFINE(Py_ENABLE_SHARED, 1, [Defined if Python is built as a shared library.])
Martin v. Löwis1142de32002-03-29 16:28:31 +00001096 case $ac_sys_system in
Martin v. Löwis1142de32002-03-29 16:28:31 +00001097 CYGWIN*)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001098 LDLIBRARY='libpython$(LDVERSION).dll.a'
1099 DLLLIBRARY='libpython$(LDVERSION).dll'
Martin v. Löwis1142de32002-03-29 16:28:31 +00001100 ;;
1101 SunOS*)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001102 LDLIBRARY='libpython$(LDVERSION).so'
1103 BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(LDVERSION)'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001104 RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
Martin v. Löwis2389c412003-10-31 15:42:07 +00001105 INSTSONAME="$LDLIBRARY".$SOVERSION
Martin v. Löwis9b142aa2011-02-05 20:26:52 +00001106 if test "$with_pydebug" != yes
Martin v. Löwisd1fc34d2010-12-30 14:55:47 +00001107 then
1108 PY3LIBRARY=libpython3.so
1109 fi
Martin v. Löwis1142de32002-03-29 16:28:31 +00001110 ;;
Charles-François Natali749400a2011-07-24 22:41:18 +02001111 Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001112 LDLIBRARY='libpython$(LDVERSION).so'
1113 BLDLIBRARY='-L. -lpython$(LDVERSION)'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001114 RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
Martin v. Löwis1142de32002-03-29 16:28:31 +00001115 INSTSONAME="$LDLIBRARY".$SOVERSION
Martin v. Löwis9b142aa2011-02-05 20:26:52 +00001116 if test "$with_pydebug" != yes
Martin v. Löwisd1fc34d2010-12-30 14:55:47 +00001117 then
1118 PY3LIBRARY=libpython3.so
1119 fi
Martin v. Löwis1142de32002-03-29 16:28:31 +00001120 ;;
1121 hp*|HP*)
Thomas Wouters477c8d52006-05-27 19:21:47 +00001122 case `uname -m` in
1123 ia64)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001124 LDLIBRARY='libpython$(LDVERSION).so'
Thomas Wouters477c8d52006-05-27 19:21:47 +00001125 ;;
1126 *)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001127 LDLIBRARY='libpython$(LDVERSION).sl'
Thomas Wouters477c8d52006-05-27 19:21:47 +00001128 ;;
1129 esac
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001130 BLDLIBRARY='-Wl,+b,$(LIBDIR) -L. -lpython$(LDVERSION)'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001131 RUNSHARED=SHLIB_PATH=`pwd`${SHLIB_PATH:+:${SHLIB_PATH}}
Martin v. Löwis1142de32002-03-29 16:28:31 +00001132 ;;
Georg Brandlb1441c72009-01-03 22:33:39 +00001133 Darwin*)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001134 LDLIBRARY='libpython$(LDVERSION).dylib'
1135 BLDLIBRARY='-L. -lpython$(LDVERSION)'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001136 RUNSHARED=DYLD_LIBRARY_PATH=`pwd`${DYLD_LIBRARY_PATH:+:${DYLD_LIBRARY_PATH}}
Georg Brandlb1441c72009-01-03 22:33:39 +00001137 ;;
Antoine Pitrou8e6b4072010-09-10 19:44:44 +00001138 AIX*)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001139 LDLIBRARY='libpython$(LDVERSION).so'
doko@ubuntu.come5de66e2014-05-07 12:57:44 +02001140 RUNSHARED=LIBPATH=`pwd`${LIBPATH:+:${LIBPATH}}
Antoine Pitrou8e6b4072010-09-10 19:44:44 +00001141 ;;
Georg Brandlb1441c72009-01-03 22:33:39 +00001142
Martin v. Löwis1142de32002-03-29 16:28:31 +00001143 esac
Jason Tishler30765592003-09-04 11:04:06 +00001144else # shared is disabled
doko@python.org87421192013-01-26 11:39:31 +01001145 PY_ENABLE_SHARED=0
Jason Tishler30765592003-09-04 11:04:06 +00001146 case $ac_sys_system in
1147 CYGWIN*)
1148 BLDLIBRARY='$(LIBRARY)'
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001149 LDLIBRARY='libpython$(LDVERSION).dll.a'
Jason Tishler30765592003-09-04 11:04:06 +00001150 ;;
1151 esac
Martin v. Löwis1142de32002-03-29 16:28:31 +00001152fi
1153
doko@ubuntu.com1abe1c52012-06-30 20:42:45 +02001154if test "$cross_compiling" = yes; then
1155 RUNSHARED=
1156fi
1157
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00001158AC_MSG_RESULT($LDLIBRARY)
1159
Guido van Rossum627b2d71993-12-24 10:39:16 +00001160AC_PROG_RANLIB
Guido van Rossum433c8ad1994-08-01 12:07:07 +00001161AC_SUBST(AR)
doko@ubuntu.com51f65942012-06-30 14:42:46 +02001162AC_CHECK_TOOLS(AR, ar aal, ar)
Neil Schemenauera42c8272001-03-31 00:01:55 +00001163
Tarek Ziadé5662d3e2009-05-07 21:24:43 +00001164# tweak ARFLAGS only if the user didn't set it on the command line
1165AC_SUBST(ARFLAGS)
1166if test -z "$ARFLAGS"
1167then
1168 ARFLAGS="rc"
1169fi
1170
doko@ubuntu.com58844492012-06-30 18:25:32 +02001171AC_CHECK_TOOLS([READELF], [readelf], [:])
1172if test "$cross_compiling" = yes; then
1173 case "$READELF" in
1174 readelf|:)
1175 AC_MSG_ERROR([readelf for the host is required for cross builds])
1176 ;;
1177 esac
1178fi
1179AC_SUBST(READELF)
1180
Matthias Klosec4c48422012-10-21 23:05:35 +02001181AC_SUBST(ASDLGEN)
1182AC_CHECK_PROGS(PYTHON, python$PACKAGE_VERSION python3 python, not-found)
Ross Lagerwall1b863eb2012-10-29 17:31:54 +00001183if test "$PYTHON" = not-found; then
Matthias Klosec4c48422012-10-21 23:05:35 +02001184 ASDLGEN="@echo python: $PYTHON! cannot run \$(srcdir)/Parser/asdl_c.py #"
1185else
1186 ASDLGEN="$PYTHON"
Ralf Schmitt023f3a72011-05-31 17:10:03 -05001187fi
1188
Kushal Das02d23a22014-04-15 23:50:06 +05301189AC_SUBST(OPCODEHGEN)
1190AC_CHECK_PROGS(PYTHON, python$PACKAGE_VERSION python3 python, not-found)
1191if test "$PYTHON" = not-found; then
1192 OPCODEHGEN="@echo python: $PYTHON! cannot run Tools/scripts/generate_opcode_h.py"
1193else
1194 OPCODEHGEN="$PYTHON"
1195fi
1196
1197
Ralf Schmitt023f3a72011-05-31 17:10:03 -05001198
Neil Schemenauera42c8272001-03-31 00:01:55 +00001199case $MACHDEP in
Neil Schemenaueraf5567f2001-10-21 22:32:04 +00001200bsdos*|hp*|HP*)
1201 # install -d does not work on BSDI or HP-UX
Neil Schemenauera42c8272001-03-31 00:01:55 +00001202 if test -z "$INSTALL"
1203 then
1204 INSTALL="${srcdir}/install-sh -c"
1205 fi
1206esac
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00001207AC_PROG_INSTALL
Matthias Klose93a0ef12012-03-15 18:08:34 +01001208AC_PROG_MKDIR_P
Guido van Rossumb418f891996-07-30 18:06:02 +00001209
Guido van Rossumec95c7b1998-08-04 17:59:56 +00001210# Not every filesystem supports hard links
1211AC_SUBST(LN)
1212if test -z "$LN" ; then
1213 case $ac_sys_system in
Guido van Rossumaef734b2001-01-10 21:09:12 +00001214 CYGWIN*) LN="ln -s";;
Guido van Rossumec95c7b1998-08-04 17:59:56 +00001215 *) LN=ln;;
1216 esac
1217fi
1218
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00001219# For calculating the .so ABI tag.
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001220AC_SUBST(ABIFLAGS)
1221ABIFLAGS=""
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00001222
Fred Drake9f715822001-07-11 06:27:00 +00001223# Check for --with-pydebug
1224AC_MSG_CHECKING(for --with-pydebug)
Victor Stinner1b80b242016-04-12 22:34:58 +02001225AC_ARG_WITH(pydebug,
Matthias Klose2b8733f2010-04-25 18:34:36 +00001226 AS_HELP_STRING([--with-pydebug], [build with Py_DEBUG defined]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00001227[
Fred Drake9f715822001-07-11 06:27:00 +00001228if test "$withval" != no
Victor Stinner1b80b242016-04-12 22:34:58 +02001229then
1230 AC_DEFINE(Py_DEBUG, 1,
1231 [Define if you want to build an interpreter with many run-time checks.])
1232 AC_MSG_RESULT(yes);
Martin v. Löwisc45929e2002-04-06 10:10:49 +00001233 Py_DEBUG='true'
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00001234 ABIFLAGS="${ABIFLAGS}d"
Fred Drake9f715822001-07-11 06:27:00 +00001235else AC_MSG_RESULT(no); Py_DEBUG='false'
1236fi],
1237[AC_MSG_RESULT(no)])
1238
Gregory P. Smithd82da9f2016-04-15 16:57:04 -07001239# Enable LTO flags
1240AC_SUBST(LTOFLAGS)
1241AC_MSG_CHECKING(for --with-lto)
1242AC_ARG_WITH(lto, AS_HELP_STRING([--with-lto], [Enable Link Time Optimization in PGO builds. Disabled by default.]),
1243[
1244if test "$withval" != no
1245then
1246 Py_LTO='true'
1247 AC_MSG_RESULT(yes);
1248else
1249 Py_LTO='false'
1250 AC_MSG_RESULT(no);
1251fi],
1252[AC_MSG_RESULT(no)])
1253if test "$Py_LTO" = 'true' ; then
1254 case $CC in
1255 *clang*)
1256 # Any changes made here should be reflected in the GCC+Darwin case below
1257 LTOFLAGS="-flto"
1258 ;;
1259 *gcc*)
1260 case $ac_sys_system in
1261 Darwin*)
1262 LTOFLAGS="-flto"
1263 ;;
1264 *)
1265 LTOFLAGS="-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none"
1266 ;;
1267 esac
1268 ;;
1269 esac
1270fi
1271
Brett Cannon7188a3e2015-09-18 15:13:44 -07001272# Enable PGO flags.
1273AC_SUBST(PGO_PROF_GEN_FLAG)
1274AC_SUBST(PGO_PROF_USE_FLAG)
1275AC_SUBST(LLVM_PROF_MERGER)
1276AC_SUBST(LLVM_PROF_FILE)
1277AC_SUBST(LLVM_PROF_ERR)
1278AC_SUBST(LLVM_PROF_FOUND)
1279AC_CHECK_PROG(LLVM_PROF_FOUND, llvm-profdata, found, not-found)
1280LLVM_PROF_ERR=no
1281case $CC in
1282 *clang*)
1283 # Any changes made here should be reflected in the GCC+Darwin case below
1284 PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
1285 PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd"
1286 LLVM_PROF_MERGER="llvm-profdata merge -output=code.profclangd *.profclangr"
1287 LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\""
1288 if test $LLVM_PROF_FOUND = not-found
1289 then
1290 LLVM_PROF_ERR=yes
1291 fi
1292 ;;
1293 *gcc*)
1294 case $ac_sys_system in
1295 Darwin*)
1296 PGO_PROF_GEN_FLAG="-fprofile-instr-generate"
1297 PGO_PROF_USE_FLAG="-fprofile-instr-use=code.profclangd"
1298 LLVM_PROF_MERGER="llvm-profdata merge -output=code.profclangd *.profclangr"
1299 LLVM_PROF_FILE="LLVM_PROFILE_FILE=\"code-%p.profclangr\""
1300 if test $LLVM_PROF_FOUND = not-found
1301 then
1302 LLVM_PROF_ERR=yes
1303 fi
1304 ;;
1305 *)
1306 PGO_PROF_GEN_FLAG="-fprofile-generate"
1307 PGO_PROF_USE_FLAG="-fprofile-use -fprofile-correction"
1308 LLVM_PROF_MERGER="true"
1309 LLVM_PROF_FILE=""
1310 ;;
1311 esac
1312 ;;
Zachary Ware5af85642015-12-21 12:09:17 -06001313 *icc*)
1314 PGO_PROF_GEN_FLAG="-prof-gen"
1315 PGO_PROF_USE_FLAG="-prof-use"
1316 LLVM_PROF_MERGER="true"
1317 LLVM_PROF_FILE=""
1318 ;;
Brett Cannon7188a3e2015-09-18 15:13:44 -07001319esac
1320
Skip Montanarodecc6a42003-01-01 20:07:49 +00001321# XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
1322# merged with this chunk of code?
1323
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00001324# Optimizer/debugger flags
Skip Montanarodecc6a42003-01-01 20:07:49 +00001325# ------------------------
1326# (The following bit of code is complicated enough - please keep things
1327# indented properly. Just pretend you're editing Python code. ;-)
1328
1329# There are two parallel sets of case statements below, one that checks to
1330# see if OPT was set and one that does BASECFLAGS setting based upon
1331# compiler and platform. BASECFLAGS tweaks need to be made even if the
1332# user set OPT.
1333
1334# tweak OPT based on compiler and platform, only if the user didn't set
1335# it on the command line
Guido van Rossumb418f891996-07-30 18:06:02 +00001336AC_SUBST(OPT)
Benjamin Peterson65b4ec52010-03-23 21:02:34 +00001337if test "${OPT-unset}" = "unset"
Guido van Rossumb418f891996-07-30 18:06:02 +00001338then
Skip Montanarodecc6a42003-01-01 20:07:49 +00001339 case $GCC in
1340 yes)
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00001341 if test "$CC" != 'g++' ; then
1342 STRICT_PROTO="-Wstrict-prototypes"
1343 fi
Christian Heimes38053212007-12-14 01:24:44 +00001344 # For gcc 4.x we need to use -fwrapv so lets check if its supported
1345 if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then
1346 WRAP="-fwrapv"
1347 fi
Stefan Krah962055d2011-09-14 15:14:08 +02001348
1349 # Clang also needs -fwrapv
Stefan Krahaf04ff22011-12-08 22:20:31 +01001350 case $CC in
1351 *clang*) WRAP="-fwrapv"
1352 ;;
1353 esac
Stefan Krah962055d2011-09-14 15:14:08 +02001354
Skip Montanarodecc6a42003-01-01 20:07:49 +00001355 case $ac_cv_prog_cc_g in
Guido van Rossum2242f2f2001-04-11 20:58:20 +00001356 yes)
Fred Drake9f715822001-07-11 06:27:00 +00001357 if test "$Py_DEBUG" = 'true' ; then
1358 # Optimization messes up debuggers, so turn it off for
1359 # debug builds.
Antoine Pitrou3d6c7842015-02-11 19:39:16 +01001360 if "$CC" -v --help 2>/dev/null |grep -- -Og > /dev/null; then
1361 OPT="-g -Og -Wall $STRICT_PROTO"
1362 else
1363 OPT="-g -O0 -Wall $STRICT_PROTO"
1364 fi
Fred Drake9f715822001-07-11 06:27:00 +00001365 else
Christian Heimes38053212007-12-14 01:24:44 +00001366 OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
Skip Montanarodecc6a42003-01-01 20:07:49 +00001367 fi
1368 ;;
Guido van Rossum2242f2f2001-04-11 20:58:20 +00001369 *)
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00001370 OPT="-O3 -Wall $STRICT_PROTO"
Skip Montanarodecc6a42003-01-01 20:07:49 +00001371 ;;
Fred Drake9f715822001-07-11 06:27:00 +00001372 esac
Martin v. Löwis21ee4092002-09-30 16:19:48 +00001373 case $ac_sys_system in
Skip Montanarodecc6a42003-01-01 20:07:49 +00001374 SCO_SV*) OPT="$OPT -m486 -DSCO5"
1375 ;;
1376 esac
Fred Drake9f715822001-07-11 06:27:00 +00001377 ;;
Skip Montanarodecc6a42003-01-01 20:07:49 +00001378
Guido van Rossum2242f2f2001-04-11 20:58:20 +00001379 *)
Skip Montanarodecc6a42003-01-01 20:07:49 +00001380 OPT="-O"
1381 ;;
Guido van Rossum2242f2f2001-04-11 20:58:20 +00001382 esac
Guido van Rossum4e8af441994-08-19 15:33:54 +00001383fi
Guido van Rossum627b2d71993-12-24 10:39:16 +00001384
Skip Montanarodecc6a42003-01-01 20:07:49 +00001385AC_SUBST(BASECFLAGS)
Benjamin Petersonacb8c522014-08-09 20:01:49 -07001386AC_SUBST(CFLAGS_NODIST)
Georg Brandlfcaf9102008-07-16 02:17:56 +00001387
1388# The -arch flags for universal builds on OSX
1389UNIVERSAL_ARCH_FLAGS=
1390AC_SUBST(UNIVERSAL_ARCH_FLAGS)
1391
Skip Montanarodecc6a42003-01-01 20:07:49 +00001392# tweak BASECFLAGS based on compiler and platform
1393case $GCC in
1394yes)
Benjamin Petersone6c9d242010-03-30 17:34:47 +00001395 # Python doesn't violate C99 aliasing rules, but older versions of
1396 # GCC produce warnings for legal Python code. Enable
1397 # -fno-strict-aliasing on versions of GCC that support but produce
1398 # warnings. See Issue3326
1399 AC_MSG_CHECKING(whether $CC accepts and needs -fno-strict-aliasing)
Martin v. Löwis70fedcd2003-07-07 21:26:19 +00001400 ac_save_cc="$CC"
1401 CC="$CC -fno-strict-aliasing"
Benjamin Petersone6c9d242010-03-30 17:34:47 +00001402 save_CFLAGS="$CFLAGS"
1403 AC_CACHE_VAL(ac_cv_no_strict_aliasing,
Matthias Kloseb159a552010-04-25 21:00:44 +00001404 AC_COMPILE_IFELSE(
1405 [
Mark Dickinson8c2b6f12010-05-11 09:23:07 +00001406 AC_LANG_PROGRAM([[]], [[]])
Matthias Kloseb159a552010-04-25 21:00:44 +00001407 ],[
1408 CC="$ac_save_cc -fstrict-aliasing"
1409 CFLAGS="$CFLAGS -Werror -Wstrict-aliasing"
1410 AC_COMPILE_IFELSE(
1411 [
Mark Dickinson8c2b6f12010-05-11 09:23:07 +00001412 AC_LANG_PROGRAM([[void f(int **x) {}]],
1413 [[double *x; f((int **) &x);]])
Matthias Kloseb159a552010-04-25 21:00:44 +00001414 ],[
1415 ac_cv_no_strict_aliasing=no
1416 ],[
1417 ac_cv_no_strict_aliasing=yes
1418 ])
1419 ],[
1420 ac_cv_no_strict_aliasing=no
1421 ]))
Benjamin Petersone6c9d242010-03-30 17:34:47 +00001422 CFLAGS="$save_CFLAGS"
Martin v. Löwis70fedcd2003-07-07 21:26:19 +00001423 CC="$ac_save_cc"
Benjamin Petersone6c9d242010-03-30 17:34:47 +00001424 AC_MSG_RESULT($ac_cv_no_strict_aliasing)
1425 if test $ac_cv_no_strict_aliasing = yes
Martin v. Löwis70fedcd2003-07-07 21:26:19 +00001426 then
1427 BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
1428 fi
Mark Dickinsonb0e2b4c2008-04-26 20:48:56 +00001429
Zachary Ware5af85642015-12-21 12:09:17 -06001430 # ICC doesn't recognize the option, but only emits a warning
1431 ## XXX does it emit an unused result warning and can it be disabled?
1432 case "$CC" in
1433 *icc*)
1434 ac_cv_disable_unused_result_warning=no
1435 ;;
1436 *)
Benjamin Peterson7ddbf102011-09-23 13:23:22 -04001437 AC_MSG_CHECKING(if we can turn off $CC unused result warning)
1438 ac_save_cc="$CC"
1439 CC="$CC -Wunused-result -Werror"
1440 save_CFLAGS="$CFLAGS"
1441 AC_CACHE_VAL(ac_cv_disable_unused_result_warning,
1442 AC_COMPILE_IFELSE(
1443 [
1444 AC_LANG_PROGRAM([[]], [[]])
1445 ],[
1446 ac_cv_disable_unused_result_warning=yes
1447 ],[
1448 ac_cv_disable_unused_result_warning=no
1449 ]))
1450 CFLAGS="$save_CFLAGS"
1451 CC="$ac_save_cc"
1452 AC_MSG_RESULT($ac_cv_disable_unused_result_warning)
Zachary Ware5af85642015-12-21 12:09:17 -06001453 ;;
1454 esac
Benjamin Peterson7ddbf102011-09-23 13:23:22 -04001455
1456 if test $ac_cv_disable_unused_result_warning = yes
1457 then
1458 BASECFLAGS="$BASECFLAGS -Wno-unused-result"
1459 fi
1460
Benjamin Petersoncc00e012013-05-20 08:22:04 -07001461 AC_MSG_CHECKING(for -Werror=declaration-after-statement)
1462 ac_save_cc="$CC"
1463 CC="$CC -Werror=declaration-after-statement"
1464 save_CFLAGS="$CFLAGS"
1465 AC_CACHE_VAL(ac_cv_declaration_after_statement_warning,
1466 AC_COMPILE_IFELSE(
1467 [
1468 AC_LANG_PROGRAM([[]], [[]])
1469 ],[
1470 ac_cv_declaration_after_statement_warning=yes
1471 ],[
1472 ac_cv_declaration_after_statement_warning=no
1473 ]))
1474 CFLAGS="$save_CFLAGS"
1475 CC="$ac_save_cc"
1476 AC_MSG_RESULT($ac_cv_declaration_after_statement_warning)
1477
1478 if test $ac_cv_declaration_after_statement_warning = yes
1479 then
Benjamin Petersonacb8c522014-08-09 20:01:49 -07001480 CFLAGS_NODIST="$CFLAGS_NODIST -Werror=declaration-after-statement"
Benjamin Petersoncc00e012013-05-20 08:22:04 -07001481 fi
1482
Charles-François Natali7f9cc932014-08-01 21:57:49 +01001483 AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning)
1484 ac_save_cc="$CC"
1485 CC="$CC -Wsign-compare"
1486 save_CFLAGS="$CFLAGS"
1487 AC_CACHE_VAL(ac_cv_enable_sign_compare_warning,
1488 AC_COMPILE_IFELSE(
1489 [
1490 AC_LANG_PROGRAM([[]], [[]])
1491 ],[
1492 ac_cv_enable_sign_compare_warning=yes
1493 ],[
1494 ac_cv_enable_sign_compare_warning=no
1495 ]))
1496 CFLAGS="$save_CFLAGS"
1497 CC="$ac_save_cc"
1498 AC_MSG_RESULT($ac_cv_enable_sign_compare_warning)
1499
1500 if test $ac_cv_enable_sign_compare_warning = yes
1501 then
1502 BASECFLAGS="$BASECFLAGS -Wsign-compare"
1503 fi
1504
1505 AC_MSG_CHECKING(if we can turn on $CC unreachable code warning)
1506 ac_save_cc="$CC"
1507 CC="$CC -Wunreachable-code"
1508 save_CFLAGS="$CFLAGS"
1509 AC_CACHE_VAL(ac_cv_enable_unreachable_code_warning,
1510 AC_COMPILE_IFELSE(
1511 [
1512 AC_LANG_PROGRAM([[]], [[]])
1513 ],[
1514 ac_cv_enable_unreachable_code_warning=yes
1515 ],[
1516 ac_cv_enable_unreachable_code_warning=no
1517 ]))
1518 CFLAGS="$save_CFLAGS"
1519 CC="$ac_save_cc"
Charles-François Natali7f9cc932014-08-01 21:57:49 +01001520
1521 # Don't enable unreachable code warning in debug mode, since it usually
1522 # results in non-standard code paths.
Ned Deilybec699e2016-03-08 00:28:37 -05001523 # Issue #24324: Unfortunately, the unreachable code warning does not work
1524 # correctly on gcc and has been silently removed from the compiler.
1525 # It is supported on clang but on OS X systems gcc may be an alias
1526 # for clang. Try to determine if the compiler is not really gcc and,
1527 # if so, only then enable the warning.
1528 if test $ac_cv_enable_unreachable_code_warning = yes && \
1529 test "$Py_DEBUG" != "true" && \
1530 test -z "`$CC --version 2>/dev/null | grep 'Free Software Foundation'`"
Charles-François Natali7f9cc932014-08-01 21:57:49 +01001531 then
1532 BASECFLAGS="$BASECFLAGS -Wunreachable-code"
Ned Deilybec699e2016-03-08 00:28:37 -05001533 else
1534 ac_cv_enable_unreachable_code_warning=no
Charles-François Natali7f9cc932014-08-01 21:57:49 +01001535 fi
Ned Deilybec699e2016-03-08 00:28:37 -05001536 AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
Charles-François Natali7f9cc932014-08-01 21:57:49 +01001537
Mark Dickinsonb0e2b4c2008-04-26 20:48:56 +00001538 # if using gcc on alpha, use -mieee to get (near) full IEEE 754
1539 # support. Without this, treatment of subnormals doesn't follow
1540 # the standard.
Matthias Klosedf2aecb2012-03-15 22:19:28 +01001541 case $host in
Mark Dickinsonb0e2b4c2008-04-26 20:48:56 +00001542 alpha*)
1543 BASECFLAGS="$BASECFLAGS -mieee"
1544 ;;
1545 esac
1546
Skip Montanarodecc6a42003-01-01 20:07:49 +00001547 case $ac_sys_system in
1548 SCO_SV*)
1549 BASECFLAGS="$BASECFLAGS -m486 -DSCO5"
1550 ;;
Benjamin Peterson67c38e22008-07-17 16:10:34 +00001551
Ned Deily87adb6e2013-10-18 21:09:56 -07001552 # is there any other compiler on Darwin besides gcc?
1553 Darwin*)
1554 # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
1555 # used to be here, but non-Apple gcc doesn't accept them.
1556 if test "${CC}" = gcc
1557 then
1558 AC_MSG_CHECKING(which compiler should be used)
1559 case "${UNIVERSALSDK}" in
1560 */MacOSX10.4u.sdk)
1561 # Build using 10.4 SDK, force usage of gcc when the
1562 # compiler is gcc, otherwise the user will get very
1563 # confusing error messages when building on OSX 10.6
1564 CC=gcc-4.0
1565 CPP=cpp-4.0
1566 ;;
1567 esac
1568 AC_MSG_RESULT($CC)
1569 fi
Benjamin Peterson67c38e22008-07-17 16:10:34 +00001570
Ned Deily87adb6e2013-10-18 21:09:56 -07001571 if test "${enable_universalsdk}"
1572 then
1573 case "$UNIVERSAL_ARCHS" in
1574 32-bit)
1575 UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
1576 LIPO_32BIT_FLAGS=""
1577 ARCH_RUN_32BIT=""
1578 ;;
1579 64-bit)
1580 UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
1581 LIPO_32BIT_FLAGS=""
1582 ARCH_RUN_32BIT="true"
1583 ;;
1584 all)
1585 UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
1586 LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
1587 ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
1588 ;;
1589 intel)
1590 UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
1591 LIPO_32BIT_FLAGS="-extract i386"
1592 ARCH_RUN_32BIT="/usr/bin/arch -i386"
1593 ;;
1594 intel-32)
1595 UNIVERSAL_ARCH_FLAGS="-arch i386"
1596 LIPO_32BIT_FLAGS=""
1597 ARCH_RUN_32BIT=""
1598 ;;
1599 3-way)
1600 UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
1601 LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
1602 ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
1603 ;;
1604 *)
1605 AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])
1606 ;;
1607 esac
Georg Brandlfcaf9102008-07-16 02:17:56 +00001608
Ned Deily87adb6e2013-10-18 21:09:56 -07001609 CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
1610 LDFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${LDFLAGS}"
1611 if test "${UNIVERSALSDK}" != "/"
1612 then
1613 CPPFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}"
1614 fi
1615 fi
Georg Brandlfcaf9102008-07-16 02:17:56 +00001616
Ned Deily87adb6e2013-10-18 21:09:56 -07001617 # Calculate an appropriate deployment target for this build:
1618 # The deployment target value is used explicitly to enable certain
1619 # features are enabled (such as builtin libedit support for readline)
1620 # through the use of Apple's Availabiliy Macros and is used as a
1621 # component of the string returned by distutils.get_platform().
1622 #
1623 # Use the value from:
1624 # 1. the MACOSX_DEPLOYMENT_TARGET environment variable if specified
1625 # 2. the operating system version of the build machine if >= 10.6
1626 # 3. If running on OS X 10.3 through 10.5, use the legacy tests
1627 # below to pick either 10.3, 10.4, or 10.5 as the target.
1628 # 4. If we are running on OS X 10.2 or earlier, good luck!
Ronald Oussoren3c064c12009-09-08 07:12:42 +00001629
Ned Deily87adb6e2013-10-18 21:09:56 -07001630 AC_MSG_CHECKING(which MACOSX_DEPLOYMENT_TARGET to use)
Ned Deily36820b62014-06-25 13:44:22 -07001631 cur_target_major=`sw_vers -productVersion | \
1632 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
1633 cur_target_minor=`sw_vers -productVersion | \
1634 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
1635 cur_target="${cur_target_major}.${cur_target_minor}"
1636 if test ${cur_target_major} -eq 10 && \
1637 test ${cur_target_minor} -ge 3 && \
1638 test ${cur_target_minor} -le 5
Ned Deily87adb6e2013-10-18 21:09:56 -07001639 then
Ned Deily36820b62014-06-25 13:44:22 -07001640 # OS X 10.3 through 10.5
Ned Deily87adb6e2013-10-18 21:09:56 -07001641 cur_target=10.3
1642 if test ${enable_universalsdk}
1643 then
1644 case "$UNIVERSAL_ARCHS" in
1645 all|3-way|intel|64-bit)
1646 # These configurations were first supported in 10.5
1647 cur_target='10.5'
1648 ;;
1649 esac
1650 else
1651 if test `/usr/bin/arch` = "i386"
1652 then
1653 # 10.4 was the first release to support Intel archs
1654 cur_target="10.4"
1655 fi
1656 fi
1657 fi
1658 CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}}
Ronald Oussoren3c064c12009-09-08 07:12:42 +00001659
Ned Deily87adb6e2013-10-18 21:09:56 -07001660 # Make sure that MACOSX_DEPLOYMENT_TARGET is set in the
1661 # environment with a value that is the same as what we'll use
1662 # in the Makefile to ensure that we'll get the same compiler
1663 # environment during configure and build time.
1664 MACOSX_DEPLOYMENT_TARGET="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET"
1665 export MACOSX_DEPLOYMENT_TARGET
1666 EXPORT_MACOSX_DEPLOYMENT_TARGET=''
1667 AC_MSG_RESULT($MACOSX_DEPLOYMENT_TARGET)
Georg Brandlfcaf9102008-07-16 02:17:56 +00001668
Ned Deily87adb6e2013-10-18 21:09:56 -07001669 # end of Darwin* tests
1670 ;;
Skip Montanarodecc6a42003-01-01 20:07:49 +00001671 esac
1672 ;;
1673
1674*)
1675 case $ac_sys_system in
1676 OpenUNIX*|UnixWare*)
1677 BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
1678 ;;
1679 SCO_SV*)
1680 BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
1681 ;;
1682 esac
1683 ;;
1684esac
1685
Zachary Ware5af85642015-12-21 12:09:17 -06001686# ICC needs -fp-model strict or floats behave badly
1687case "$CC" in
1688*icc*)
1689 CFLAGS_NODIST="$CFLAGS_NODIST -fp-model strict"
1690 ;;
1691esac
1692
Fred Drakee1ceaa02001-12-04 20:55:47 +00001693if test "$Py_DEBUG" = 'true'; then
1694 :
1695else
1696 OPT="-DNDEBUG $OPT"
1697fi
1698
Guido van Rossum6f2260e1996-09-09 16:21:03 +00001699if test "$ac_arch_flags"
Guido van Rossumc5a39031996-07-31 17:35:03 +00001700then
Skip Montanarodecc6a42003-01-01 20:07:49 +00001701 BASECFLAGS="$BASECFLAGS $ac_arch_flags"
Guido van Rossumc5a39031996-07-31 17:35:03 +00001702fi
Guido van Rossum5739e7e1995-01-20 16:50:53 +00001703
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001704# On some compilers, pthreads are available without further options
1705# (e.g. MacOS X). On some of these systems, the compiler will not
1706# complain if unaccepted options are passed (e.g. gcc on Mac OS X).
1707# So we have to see first whether pthreads are available without
1708# options before we can check whether -Kpthread improves anything.
1709AC_MSG_CHECKING(whether pthreads are available without options)
1710AC_CACHE_VAL(ac_cv_pthread_is_default,
Matthias Kloseb159a552010-04-25 21:00:44 +00001711[AC_RUN_IFELSE([AC_LANG_SOURCE([[
Stefan Krah7dba5942012-11-22 22:49:11 +01001712#include <stdio.h>
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001713#include <pthread.h>
1714
1715void* routine(void* p){return NULL;}
1716
1717int main(){
1718 pthread_t p;
1719 if(pthread_create(&p,NULL,routine,NULL)!=0)
1720 return 1;
Jack Jansen4f8d0542002-03-08 13:43:01 +00001721 (void)pthread_detach(p);
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001722 return 0;
1723}
Matthias Kloseb159a552010-04-25 21:00:44 +00001724]])],[
Skip Montanarod8d39a02003-07-10 20:44:10 +00001725 ac_cv_pthread_is_default=yes
1726 ac_cv_kthread=no
1727 ac_cv_pthread=no
Matthias Kloseb159a552010-04-25 21:00:44 +00001728],[ac_cv_pthread_is_default=no],[ac_cv_pthread_is_default=no])
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001729])
1730AC_MSG_RESULT($ac_cv_pthread_is_default)
1731
1732
Victor Stinner1b80b242016-04-12 22:34:58 +02001733if test $ac_cv_pthread_is_default = yes
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001734then
1735 ac_cv_kpthread=no
1736else
Martin v. Löwis130fb172001-07-19 11:00:41 +00001737# -Kpthread, if available, provides the right #defines
1738# and linker options to make pthread_create available
Martin v. Löwis260aecc2001-10-07 08:14:41 +00001739# Some compilers won't report that they do not support -Kpthread,
1740# so we need to run a program to see whether it really made the
1741# function available.
Martin v. Löwis130fb172001-07-19 11:00:41 +00001742AC_MSG_CHECKING(whether $CC accepts -Kpthread)
1743AC_CACHE_VAL(ac_cv_kpthread,
1744[ac_save_cc="$CC"
1745CC="$CC -Kpthread"
Matthias Kloseb159a552010-04-25 21:00:44 +00001746AC_RUN_IFELSE([AC_LANG_SOURCE([[
Stefan Krah7dba5942012-11-22 22:49:11 +01001747#include <stdio.h>
Martin v. Löwis260aecc2001-10-07 08:14:41 +00001748#include <pthread.h>
1749
1750void* routine(void* p){return NULL;}
1751
1752int main(){
1753 pthread_t p;
1754 if(pthread_create(&p,NULL,routine,NULL)!=0)
1755 return 1;
Jack Jansen4f8d0542002-03-08 13:43:01 +00001756 (void)pthread_detach(p);
Martin v. Löwis260aecc2001-10-07 08:14:41 +00001757 return 0;
1758}
Matthias Kloseb159a552010-04-25 21:00:44 +00001759]])],[ac_cv_kpthread=yes],[ac_cv_kpthread=no],[ac_cv_kpthread=no])
Martin v. Löwis130fb172001-07-19 11:00:41 +00001760CC="$ac_save_cc"])
Martin v. Löwis130fb172001-07-19 11:00:41 +00001761AC_MSG_RESULT($ac_cv_kpthread)
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00001762fi
Martin v. Löwis130fb172001-07-19 11:00:41 +00001763
Skip Montanarod8d39a02003-07-10 20:44:10 +00001764if test $ac_cv_kpthread = no -a $ac_cv_pthread_is_default = no
Martin v. Löwis5f433f02003-05-05 05:05:30 +00001765then
1766# -Kthread, if available, provides the right #defines
1767# and linker options to make pthread_create available
1768# Some compilers won't report that they do not support -Kthread,
1769# so we need to run a program to see whether it really made the
1770# function available.
1771AC_MSG_CHECKING(whether $CC accepts -Kthread)
1772AC_CACHE_VAL(ac_cv_kthread,
1773[ac_save_cc="$CC"
1774CC="$CC -Kthread"
Matthias Kloseb159a552010-04-25 21:00:44 +00001775AC_RUN_IFELSE([AC_LANG_SOURCE([[
Stefan Krah7dba5942012-11-22 22:49:11 +01001776#include <stdio.h>
Martin v. Löwis5f433f02003-05-05 05:05:30 +00001777#include <pthread.h>
1778
1779void* routine(void* p){return NULL;}
1780
1781int main(){
1782 pthread_t p;
1783 if(pthread_create(&p,NULL,routine,NULL)!=0)
1784 return 1;
1785 (void)pthread_detach(p);
1786 return 0;
1787}
Matthias Kloseb159a552010-04-25 21:00:44 +00001788]])],[ac_cv_kthread=yes],[ac_cv_kthread=no],[ac_cv_kthread=no])
Martin v. Löwis5f433f02003-05-05 05:05:30 +00001789CC="$ac_save_cc"])
1790AC_MSG_RESULT($ac_cv_kthread)
1791fi
1792
Skip Montanarod8d39a02003-07-10 20:44:10 +00001793if test $ac_cv_kthread = no -a $ac_cv_pthread_is_default = no
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00001794then
1795# -pthread, if available, provides the right #defines
1796# and linker options to make pthread_create available
1797# Some compilers won't report that they do not support -pthread,
1798# so we need to run a program to see whether it really made the
1799# function available.
1800AC_MSG_CHECKING(whether $CC accepts -pthread)
doko@python.org7981f202013-01-25 15:33:25 +01001801AC_CACHE_VAL(ac_cv_pthread,
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00001802[ac_save_cc="$CC"
1803CC="$CC -pthread"
Matthias Kloseb159a552010-04-25 21:00:44 +00001804AC_RUN_IFELSE([AC_LANG_SOURCE([[
Stefan Krah7dba5942012-11-22 22:49:11 +01001805#include <stdio.h>
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00001806#include <pthread.h>
1807
1808void* routine(void* p){return NULL;}
1809
1810int main(){
1811 pthread_t p;
1812 if(pthread_create(&p,NULL,routine,NULL)!=0)
1813 return 1;
1814 (void)pthread_detach(p);
1815 return 0;
1816}
Matthias Kloseb159a552010-04-25 21:00:44 +00001817]])],[ac_cv_pthread=yes],[ac_cv_pthread=no],[ac_cv_pthread=no])
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00001818CC="$ac_save_cc"])
1819AC_MSG_RESULT($ac_cv_pthread)
1820fi
1821
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001822# If we have set a CC compiler flag for thread support then
1823# check if it works for CXX, too.
1824ac_cv_cxx_thread=no
1825if test ! -z "$CXX"
1826then
1827AC_MSG_CHECKING(whether $CXX also accepts flags for thread support)
1828ac_save_cxx="$CXX"
1829
1830if test "$ac_cv_kpthread" = "yes"
1831then
Victor Stinner1b80b242016-04-12 22:34:58 +02001832 CXX="$CXX -Kpthread"
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001833 ac_cv_cxx_thread=yes
1834elif test "$ac_cv_kthread" = "yes"
1835then
1836 CXX="$CXX -Kthread"
1837 ac_cv_cxx_thread=yes
1838elif test "$ac_cv_pthread" = "yes"
Victor Stinner1b80b242016-04-12 22:34:58 +02001839then
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001840 CXX="$CXX -pthread"
1841 ac_cv_cxx_thread=yes
1842fi
1843
1844if test $ac_cv_cxx_thread = yes
1845then
1846 echo 'void foo();int main(){foo();}void foo(){}' > conftest.$ac_ext
1847 $CXX -c conftest.$ac_ext 2>&5
1848 if $CXX -o conftest$ac_exeext conftest.$ac_objext 2>&5 \
1849 && test -s conftest$ac_exeext && ./conftest$ac_exeext
1850 then
1851 ac_cv_cxx_thread=yes
1852 else
1853 ac_cv_cxx_thread=no
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001854 fi
1855 rm -fr conftest*
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001856fi
Brett Cannonc601e0f2004-11-07 01:24:12 +00001857AC_MSG_RESULT($ac_cv_cxx_thread)
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001858fi
Martin v. Löwis519adae2003-09-20 10:47:47 +00001859CXX="$ac_save_cxx"
Martin v. Löwisab1e5852003-06-28 07:46:38 +00001860
Fred Drakece81d592000-07-09 14:39:29 +00001861dnl # check for ANSI or K&R ("traditional") preprocessor
1862dnl AC_MSG_CHECKING(for C preprocessor type)
Matthias Kloseb159a552010-04-25 21:00:44 +00001863dnl AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Fred Drakece81d592000-07-09 14:39:29 +00001864dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
1865dnl int foo;
1866dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
Matthias Kloseb159a552010-04-25 21:00:44 +00001867dnl ]], [[;]])],[cpp_type=ansi],[AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional])
Fred Drakece81d592000-07-09 14:39:29 +00001868dnl AC_MSG_RESULT($cpp_type)
Guido van Rossum300fda71996-08-19 21:58:16 +00001869
Guido van Rossum627b2d71993-12-24 10:39:16 +00001870# checks for header files
Guido van Rossum76be6ed1995-01-02 18:33:54 +00001871AC_HEADER_STDC
doko@ubuntu.com1a4f5612014-04-17 20:13:44 +02001872AC_CHECK_HEADERS(asm/types.h conio.h direct.h dlfcn.h errno.h \
Thomas Wouters0e3f5912006-08-11 14:57:12 +00001873fcntl.h grp.h \
doko@ubuntu.com1a4f5612014-04-17 20:13:44 +02001874ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \
Benjamin Peterson94b580d2011-08-02 17:30:04 -05001875sched.h shadow.h signal.h stdint.h stropts.h termios.h \
Martin v. Löwis14e73b12003-01-01 09:51:12 +00001876unistd.h utime.h \
Jesus Cead8b9ae62011-11-14 19:07:41 +01001877poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
Antoine Pitroubcf2b592012-02-08 23:28:36 +01001878sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \
Martin v. Löwis9d6c6692012-02-03 17:44:58 +01001879sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \
Jesus Cead8b9ae62011-11-14 19:07:41 +01001880sys/param.h sys/select.h sys/sendfile.h sys/socket.h sys/statvfs.h \
Martin v. Löwis9d6c6692012-02-03 17:44:58 +01001881sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
Giampaolo Rodolàc9c2c8b2011-02-25 14:39:16 +00001882sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
Gregory P. Smith3b1f2c32011-05-15 12:18:23 -07001883libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
Christian Heimes985ecdc2013-11-20 11:46:18 +01001884bluetooth/bluetooth.h linux/tipc.h spawn.h util.h alloca.h endian.h \
1885sys/endian.h)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00001886AC_HEADER_DIRENT
Martin v. Löwisdbe3f762002-10-10 14:27:30 +00001887AC_HEADER_MAJOR
Guido van Rossum627b2d71993-12-24 10:39:16 +00001888
Gregory P. Smith3b1f2c32011-05-15 12:18:23 -07001889# On Darwin (OS X) net/if.h requires sys/socket.h to be imported first.
1890AC_CHECK_HEADERS([net/if.h], [], [],
1891[#include <stdio.h>
1892#ifdef STDC_HEADERS
1893# include <stdlib.h>
1894# include <stddef.h>
1895#else
1896# ifdef HAVE_STDLIB_H
1897# include <stdlib.h>
1898# endif
1899#endif
1900#ifdef HAVE_SYS_SOCKET_H
1901# include <sys/socket.h>
1902#endif
1903])
1904
Martin v. Löwis11017b12006-01-14 18:12:57 +00001905# On Linux, netlink.h requires asm/types.h
1906AC_CHECK_HEADERS(linux/netlink.h,,,[
1907#ifdef HAVE_ASM_TYPES_H
1908#include <asm/types.h>
1909#endif
1910#ifdef HAVE_SYS_SOCKET_H
1911#include <sys/socket.h>
1912#endif
1913])
1914
Charles-François Natali47413c12011-10-06 19:47:44 +02001915# On Linux, can.h and can/raw.h require sys/socket.h
Charles-François Natali773e42d2013-02-05 19:42:01 +01001916AC_CHECK_HEADERS(linux/can.h linux/can/raw.h linux/can/bcm.h,,,[
Charles-François Natali47413c12011-10-06 19:47:44 +02001917#ifdef HAVE_SYS_SOCKET_H
1918#include <sys/socket.h>
1919#endif
1920])
1921
Guido van Rossum627b2d71993-12-24 10:39:16 +00001922# checks for typedefs
Guido van Rossum5739e7e1995-01-20 16:50:53 +00001923was_it_defined=no
1924AC_MSG_CHECKING(for clock_t in time.h)
Martin v. Löwisc45929e2002-04-06 10:10:49 +00001925AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, [
1926 AC_DEFINE(clock_t, long, [Define to 'long' if <time.h> doesn't define.])
1927])
Guido van Rossum5739e7e1995-01-20 16:50:53 +00001928AC_MSG_RESULT($was_it_defined)
1929
Neal Norwitz11690112002-07-30 01:08:28 +00001930AC_MSG_CHECKING(for makedev)
Jesus Cea740f53a2010-04-28 11:35:30 +00001931AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1932#if defined(MAJOR_IN_MKDEV)
1933#include <sys/mkdev.h>
1934#elif defined(MAJOR_IN_SYSMACROS)
1935#include <sys/sysmacros.h>
1936#else
1937#include <sys/types.h>
1938#endif
1939]], [[
1940 makedev(0, 0) ]])
Matthias Kloseb159a552010-04-25 21:00:44 +00001941],[ac_cv_has_makedev=yes],[ac_cv_has_makedev=no])
Neal Norwitz11690112002-07-30 01:08:28 +00001942AC_MSG_RESULT($ac_cv_has_makedev)
1943if test "$ac_cv_has_makedev" = "yes"; then
1944 AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.])
1945fi
1946
Christian Heimes985ecdc2013-11-20 11:46:18 +01001947# byte swapping
1948AC_MSG_CHECKING(for le64toh)
1949AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1950#ifdef HAVE_ENDIAN_H
1951#include <endian.h>
1952#elif defined(HAVE_SYS_ENDIAN_H)
1953#include <sys/endian.h>
1954#endif
1955]], [[
1956 le64toh(1) ]])
1957],[ac_cv_has_le64toh=yes],[ac_cv_has_le64toh=no])
1958AC_MSG_RESULT($ac_cv_has_le64toh)
1959if test "$ac_cv_has_le64toh" = "yes"; then
1960 AC_DEFINE(HAVE_HTOLE64, 1, [Define this if you have le64toh()])
1961fi
1962
Martin v. Löwis399a6892002-10-04 10:22:02 +00001963# Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in
1964# the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are
1965# defined, but the compiler does not support pragma redefine_extname,
1966# and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit
1967# structures (such as rlimit64) without declaring them. As a
1968# work-around, disable LFS on such configurations
1969
1970use_lfs=yes
1971AC_MSG_CHECKING(Solaris LFS bug)
Matthias Kloseb159a552010-04-25 21:00:44 +00001972AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwis399a6892002-10-04 10:22:02 +00001973#define _LARGEFILE_SOURCE 1
1974#define _FILE_OFFSET_BITS 64
1975#include <sys/resource.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00001976]], [[struct rlimit foo;]])],[sol_lfs_bug=no],[sol_lfs_bug=yes])
Martin v. Löwis399a6892002-10-04 10:22:02 +00001977AC_MSG_RESULT($sol_lfs_bug)
1978if test "$sol_lfs_bug" = "yes"; then
1979 use_lfs=no
1980fi
1981
1982if test "$use_lfs" = "yes"; then
Guido van Rossum810cc512001-09-09 23:51:39 +00001983# Two defines needed to enable largefile support on various platforms
1984# These may affect some typedefs
Georg Brandl216e4042011-02-19 08:58:23 +00001985case $ac_sys_system/$ac_sys_release in
1986AIX*)
Victor Stinner1b80b242016-04-12 22:34:58 +02001987 AC_DEFINE(_LARGE_FILES, 1,
Georg Brandl216e4042011-02-19 08:58:23 +00001988 [This must be defined on AIX systems to enable large file support.])
1989 ;;
1990esac
Victor Stinner1b80b242016-04-12 22:34:58 +02001991AC_DEFINE(_LARGEFILE_SOURCE, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00001992[This must be defined on some systems to enable large file support.])
1993AC_DEFINE(_FILE_OFFSET_BITS, 64,
1994[This must be set to 64 on some systems to enable large file support.])
Martin v. Löwis399a6892002-10-04 10:22:02 +00001995fi
Guido van Rossum810cc512001-09-09 23:51:39 +00001996
Guido van Rossum300fda71996-08-19 21:58:16 +00001997# Add some code to confdefs.h so that the test for off_t works on SCO
1998cat >> confdefs.h <<\EOF
1999#if defined(SCO_DS)
2000#undef _OFF_T
2001#endif
2002EOF
2003
Guido van Rossumef2255b2000-03-10 22:30:29 +00002004# Type availability checks
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002005AC_TYPE_MODE_T
2006AC_TYPE_OFF_T
2007AC_TYPE_PID_T
Matthias Klosebada4c32010-04-25 21:18:48 +00002008AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void])
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002009AC_TYPE_SIZE_T
2010AC_TYPE_UID_T
Mark Dickinson983bc162012-12-02 12:11:38 +00002011
2012# There are two separate checks for each of the exact-width integer types we
2013# need. First we check whether the type is available using the usual
2014# AC_CHECK_TYPE macro with the default includes (which includes <inttypes.h>
2015# and <stdint.h> where available). We then also use the special type checks of
2016# the form AC_TYPE_UINT32_T, which in the case that uint32_t is not available
2017# directly, #define's uint32_t to be a suitable type.
2018
2019AC_CHECK_TYPE(uint32_t,
2020 AC_DEFINE(HAVE_UINT32_T, 1, [Define if your compiler provides uint32_t.]),,)
Mark Dickinsonbd792642009-03-18 20:06:12 +00002021AC_TYPE_UINT32_T
Mark Dickinson983bc162012-12-02 12:11:38 +00002022
2023AC_CHECK_TYPE(uint64_t,
2024 AC_DEFINE(HAVE_UINT64_T, 1, [Define if your compiler provides uint64_t.]),,)
Mark Dickinsonbd792642009-03-18 20:06:12 +00002025AC_TYPE_UINT64_T
Mark Dickinson983bc162012-12-02 12:11:38 +00002026
2027AC_CHECK_TYPE(int32_t,
2028 AC_DEFINE(HAVE_INT32_T, 1, [Define if your compiler provides int32_t.]),,)
Mark Dickinsonbd792642009-03-18 20:06:12 +00002029AC_TYPE_INT32_T
Mark Dickinson983bc162012-12-02 12:11:38 +00002030
2031AC_CHECK_TYPE(int64_t,
2032 AC_DEFINE(HAVE_INT64_T, 1, [Define if your compiler provides int64_t.]),,)
Mark Dickinsonbd792642009-03-18 20:06:12 +00002033AC_TYPE_INT64_T
Mark Dickinson983bc162012-12-02 12:11:38 +00002034
Christian Heimes400adb02008-02-01 08:12:03 +00002035AC_CHECK_TYPE(ssize_t,
Matthias Klosec80c93f2010-04-24 17:04:35 +00002036 AC_DEFINE(HAVE_SSIZE_T, 1, [Define if your compiler provides ssize_t]),,)
Stefan Krah1919b7e2012-03-21 18:25:23 +01002037AC_CHECK_TYPE(__uint128_t,
2038 AC_DEFINE(HAVE_GCC_UINT128_T, 1, [Define if your compiler provides __uint128_t]),,)
Guido van Rossum627b2d71993-12-24 10:39:16 +00002039
Guido van Rossumef2255b2000-03-10 22:30:29 +00002040# Sizes of various common basic types
Skip Montanarob9820a32004-01-17 00:16:12 +00002041# ANSI C requires sizeof(char) == 1, so no need to check it
Guido van Rossum3065c942001-09-17 04:03:14 +00002042AC_CHECK_SIZEOF(int, 4)
2043AC_CHECK_SIZEOF(long, 4)
2044AC_CHECK_SIZEOF(void *, 4)
Guido van Rossum3065c942001-09-17 04:03:14 +00002045AC_CHECK_SIZEOF(short, 2)
2046AC_CHECK_SIZEOF(float, 4)
2047AC_CHECK_SIZEOF(double, 8)
2048AC_CHECK_SIZEOF(fpos_t, 4)
Martin v. Löwis18e16552006-02-15 17:27:45 +00002049AC_CHECK_SIZEOF(size_t, 4)
Christian Heimes400adb02008-02-01 08:12:03 +00002050AC_CHECK_SIZEOF(pid_t, 4)
Guido van Rossumac405f61994-09-12 10:56:06 +00002051
Guido van Rossumec95c7b1998-08-04 17:59:56 +00002052AC_MSG_CHECKING(for long long support)
2053have_long_long=no
Matthias Kloseb159a552010-04-25 21:00:44 +00002054AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long long x; x = (long long)0;]])],[
Victor Stinner1b80b242016-04-12 22:34:58 +02002055 AC_DEFINE(HAVE_LONG_LONG, 1, [Define this if you have the type long long.])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002056 have_long_long=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00002057],[])
Guido van Rossumec95c7b1998-08-04 17:59:56 +00002058AC_MSG_RESULT($have_long_long)
Guido van Rossum8bc1dfd1999-04-10 16:01:48 +00002059if test "$have_long_long" = yes ; then
Guido van Rossum3065c942001-09-17 04:03:14 +00002060AC_CHECK_SIZEOF(long long, 8)
Guido van Rossumec95c7b1998-08-04 17:59:56 +00002061fi
2062
Travis E. Oliphant9b307842007-10-12 22:06:37 +00002063AC_MSG_CHECKING(for long double support)
2064have_long_double=no
Matthias Kloseb159a552010-04-25 21:00:44 +00002065AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long double x; x = (long double)0;]])],[
Victor Stinner1b80b242016-04-12 22:34:58 +02002066 AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define this if you have the type long double.])
Travis E. Oliphant9b307842007-10-12 22:06:37 +00002067 have_long_double=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00002068],[])
Travis E. Oliphant9b307842007-10-12 22:06:37 +00002069AC_MSG_RESULT($have_long_double)
2070if test "$have_long_double" = yes ; then
2071AC_CHECK_SIZEOF(long double, 16)
2072fi
2073
2074
Thomas Woutersb2137042007-02-01 18:02:27 +00002075AC_MSG_CHECKING(for _Bool support)
2076have_c99_bool=no
Matthias Kloseb159a552010-04-25 21:00:44 +00002077AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[_Bool x; x = (_Bool)0;]])],[
Victor Stinner1b80b242016-04-12 22:34:58 +02002078 AC_DEFINE(HAVE_C99_BOOL, 1, [Define this if you have the type _Bool.])
Thomas Woutersb2137042007-02-01 18:02:27 +00002079 have_c99_bool=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00002080],[])
Thomas Woutersb2137042007-02-01 18:02:27 +00002081AC_MSG_RESULT($have_c99_bool)
2082if test "$have_c99_bool" = yes ; then
2083AC_CHECK_SIZEOF(_Bool, 1)
2084fi
2085
Victor Stinner1b80b242016-04-12 22:34:58 +02002086AC_CHECK_TYPES(uintptr_t,
2087 [AC_CHECK_SIZEOF(uintptr_t, 4)],
Thomas Wouters89f507f2006-12-13 04:49:30 +00002088 [], [#ifdef HAVE_STDINT_H
2089 #include <stdint.h>
Antoine Pitrou1bf29b72010-10-10 08:10:16 +00002090 #endif
2091 #ifdef HAVE_INTTYPES_H
2092 #include <inttypes.h>
Thomas Wouters89f507f2006-12-13 04:49:30 +00002093 #endif])
2094
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002095AC_CHECK_SIZEOF(off_t, [], [
2096#ifdef HAVE_SYS_TYPES_H
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002097#include <sys/types.h>
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002098#endif
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002099])
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002100
2101AC_MSG_CHECKING(whether to enable large file support)
Mark Dickinson2df5d282009-12-31 21:22:50 +00002102if test "$have_long_long" = yes
2103then
2104if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
Guido van Rossum8bc1dfd1999-04-10 16:01:48 +00002105 "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
Victor Stinner1b80b242016-04-12 22:34:58 +02002106 AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002107 [Defined to enable large file support when an off_t is bigger than a long
2108 and long long is available and at least as big as an off_t. You may need
2109 to add some flags for configuration and compilation to enable this mode.
2110 (For Solaris and Linux, the necessary defines are already defined.)])
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002111 AC_MSG_RESULT(yes)
2112else
2113 AC_MSG_RESULT(no)
2114fi
Mark Dickinson2df5d282009-12-31 21:22:50 +00002115else
2116 AC_MSG_RESULT(no)
2117fi
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002118
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002119AC_CHECK_SIZEOF(time_t, [], [
2120#ifdef HAVE_SYS_TYPES_H
2121#include <sys/types.h>
2122#endif
2123#ifdef HAVE_TIME_H
Fred Drakea3f6e912000-06-29 20:44:47 +00002124#include <time.h>
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002125#endif
Fred Drakea3f6e912000-06-29 20:44:47 +00002126])
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00002127
Trent Mick635f6fb2000-08-23 21:33:05 +00002128# if have pthread_t then define SIZEOF_PTHREAD_T
Martin v. Löwis123cbd22001-07-19 14:21:10 +00002129ac_save_cc="$CC"
2130if test "$ac_cv_kpthread" = "yes"
2131then CC="$CC -Kpthread"
Martin v. Löwis5f433f02003-05-05 05:05:30 +00002132elif test "$ac_cv_kthread" = "yes"
2133then CC="$CC -Kthread"
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002134elif test "$ac_cv_pthread" = "yes"
2135then CC="$CC -pthread"
Martin v. Löwis123cbd22001-07-19 14:21:10 +00002136fi
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002137
Trent Mick635f6fb2000-08-23 21:33:05 +00002138AC_MSG_CHECKING(for pthread_t)
2139have_pthread_t=no
Matthias Kloseb159a552010-04-25 21:00:44 +00002140AC_COMPILE_IFELSE([
2141 AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t x; x = *(pthread_t*)0;]])
2142],[have_pthread_t=yes],[])
Trent Mick635f6fb2000-08-23 21:33:05 +00002143AC_MSG_RESULT($have_pthread_t)
2144if test "$have_pthread_t" = yes ; then
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002145 AC_CHECK_SIZEOF(pthread_t, [], [
2146#ifdef HAVE_PTHREAD_H
Neal Norwitz6eb37f02003-02-23 23:28:15 +00002147#include <pthread.h>
Alexandre Vassalotti0805b4a2009-07-17 05:47:33 +00002148#endif
Trent Mick635f6fb2000-08-23 21:33:05 +00002149 ])
Trent Mick635f6fb2000-08-23 21:33:05 +00002150fi
Martin v. Löwis123cbd22001-07-19 14:21:10 +00002151CC="$ac_save_cc"
Trent Mick635f6fb2000-08-23 21:33:05 +00002152
Bob Ippolito7026a0a2005-03-28 23:23:47 +00002153AC_SUBST(OTHER_LIBTOOL_OPT)
2154case $ac_sys_system/$ac_sys_release in
Victor Stinner1b80b242016-04-12 22:34:58 +02002155 Darwin/@<:@01567@:>@\..*)
Bob Ippolito7026a0a2005-03-28 23:23:47 +00002156 OTHER_LIBTOOL_OPT="-prebind -seg1addr 0x10000000"
2157 ;;
2158 Darwin/*)
2159 OTHER_LIBTOOL_OPT=""
2160 ;;
2161esac
2162
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002163
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002164AC_SUBST(LIBTOOL_CRUFT)
2165case $ac_sys_system/$ac_sys_release in
Victor Stinner1b80b242016-04-12 22:34:58 +02002166 Darwin/@<:@01567@:>@\..*)
Thomas Wouters477c8d52006-05-27 19:21:47 +00002167 LIBTOOL_CRUFT="-framework System -lcc_dynamic"
2168 if test "${enable_universalsdk}"; then
2169 :
2170 else
Ronald Oussorene3da75a2010-02-11 13:38:58 +00002171 LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`"
Thomas Wouters477c8d52006-05-27 19:21:47 +00002172 fi
Jack Jansenb36687a2004-07-16 08:43:47 +00002173 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansena3891ea2001-09-07 14:25:12 +00002174 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
Guido van Rossum5839e582000-10-09 19:52:35 +00002175 Darwin/*)
Ronald Oussoren9812a6c2010-02-07 11:53:18 +00002176 gcc_version=`gcc -dumpversion`
Bob Ippolito7026a0a2005-03-28 23:23:47 +00002177 if test ${gcc_version} '<' 4.0
2178 then
2179 LIBTOOL_CRUFT="-lcc_dynamic"
Victor Stinner1b80b242016-04-12 22:34:58 +02002180 else
Bob Ippolito7026a0a2005-03-28 23:23:47 +00002181 LIBTOOL_CRUFT=""
2182 fi
Matthias Kloseb159a552010-04-25 21:00:44 +00002183 AC_RUN_IFELSE([AC_LANG_SOURCE([[
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002184 #include <unistd.h>
2185 int main(int argc, char*argv[])
2186 {
2187 if (sizeof(long) == 4) {
2188 return 0;
2189 } else {
2190 return 1;
2191 }
Ronald Oussoren3c064c12009-09-08 07:12:42 +00002192 }
Matthias Kloseb159a552010-04-25 21:00:44 +00002193 ]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes])
Victor Stinner1b80b242016-04-12 22:34:58 +02002194
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002195 if test "${ac_osx_32bit}" = "yes"; then
Ronald Oussorene3da75a2010-02-11 13:38:58 +00002196 case `/usr/bin/arch` in
Victor Stinner1b80b242016-04-12 22:34:58 +02002197 i386)
2198 MACOSX_DEFAULT_ARCH="i386"
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002199 ;;
Victor Stinner1b80b242016-04-12 22:34:58 +02002200 ppc)
2201 MACOSX_DEFAULT_ARCH="ppc"
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002202 ;;
2203 *)
2204 AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
2205 ;;
2206 esac
2207 else
Ronald Oussorene3da75a2010-02-11 13:38:58 +00002208 case `/usr/bin/arch` in
Victor Stinner1b80b242016-04-12 22:34:58 +02002209 i386)
2210 MACOSX_DEFAULT_ARCH="x86_64"
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002211 ;;
Victor Stinner1b80b242016-04-12 22:34:58 +02002212 ppc)
2213 MACOSX_DEFAULT_ARCH="ppc64"
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002214 ;;
2215 *)
2216 AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
2217 ;;
2218 esac
2219
Ronald Oussoren5bbab3e2009-09-06 11:01:15 +00002220 fi
2221
2222 LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only ${MACOSX_DEFAULT_ARCH}"
Jack Jansenb36687a2004-07-16 08:43:47 +00002223 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002224 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002225esac
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002226AC_MSG_CHECKING(for --enable-framework)
2227if test "$enable_framework"
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002228then
Skip Montanarodecc6a42003-01-01 20:07:49 +00002229 BASECFLAGS="$BASECFLAGS -fno-common -dynamic"
Victor Stinner1b80b242016-04-12 22:34:58 +02002230 # -F. is needed to allow linking to the framework while
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002231 # in the build location.
Victor Stinner1b80b242016-04-12 22:34:58 +02002232 AC_DEFINE(WITH_NEXT_FRAMEWORK, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002233 [Define if you want to produce an OpenStep/Rhapsody framework
2234 (shared library plus accessory files).])
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002235 AC_MSG_RESULT(yes)
Ronald Oussoren99aab652009-06-08 21:22:57 +00002236 if test $enable_shared = "yes"
2237 then
2238 AC_MSG_ERROR([Specifying both --enable-shared and --enable-framework is not supported, use only --enable-framework instead])
2239 fi
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002240else
2241 AC_MSG_RESULT(no)
2242fi
2243
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002244AC_MSG_CHECKING(for dyld)
Jack Jansen9a66b6d2001-08-08 13:56:14 +00002245case $ac_sys_system/$ac_sys_release in
2246 Darwin/*)
Victor Stinner1b80b242016-04-12 22:34:58 +02002247 AC_DEFINE(WITH_DYLD, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002248 [Define if you want to use the new-style (Openstep, Rhapsody, MacOS)
2249 dynamic linker (dyld) instead of the old-style (NextStep) dynamic
2250 linker (rld). Dyld is necessary to support frameworks.])
Jack Jansen9a66b6d2001-08-08 13:56:14 +00002251 AC_MSG_RESULT(always on for Darwin)
2252 ;;
2253 *)
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002254 AC_MSG_RESULT(no)
2255 ;;
Jack Jansen9a66b6d2001-08-08 13:56:14 +00002256esac
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002257
Guido van Rossumac405f61994-09-12 10:56:06 +00002258# Set info about shared libraries.
doko@ubuntu.comd5537d02013-03-21 13:21:49 -07002259AC_SUBST(SHLIB_SUFFIX)
Guido van Rossumac405f61994-09-12 10:56:06 +00002260AC_SUBST(LDSHARED)
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002261AC_SUBST(LDCXXSHARED)
Neil Schemenauerb3531b82001-02-16 04:09:05 +00002262AC_SUBST(BLDSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002263AC_SUBST(CCSHARED)
2264AC_SUBST(LINKFORSHARED)
Georg Brandlb1441c72009-01-03 22:33:39 +00002265
doko@ubuntu.comd5537d02013-03-21 13:21:49 -07002266# SHLIB_SUFFIX is the extension of shared libraries `(including the dot!)
2267# -- usually .so, .sl on HP-UX, .dll on Cygwin
2268AC_MSG_CHECKING(the extension of shared libraries)
2269if test -z "$SHLIB_SUFFIX"; then
2270 case $ac_sys_system in
2271 hp*|HP*)
2272 case `uname -m` in
2273 ia64) SHLIB_SUFFIX=.so;;
2274 *) SHLIB_SUFFIX=.sl;;
2275 esac
2276 ;;
2277 CYGWIN*) SHLIB_SUFFIX=.dll;;
2278 *) SHLIB_SUFFIX=.so;;
2279 esac
2280fi
2281AC_MSG_RESULT($SHLIB_SUFFIX)
2282
Guido van Rossumac405f61994-09-12 10:56:06 +00002283# LDSHARED is the ld *command* used to create shared library
Skip Montanaroce59c042004-01-17 14:19:44 +00002284# -- "cc -G" on SunOS 5.x, "ld -shared" on IRIX 5
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002285# (Shared libraries in this instance are shared modules to be loaded into
2286# Python, as opposed to building Python itself as a shared library.)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002287AC_MSG_CHECKING(LDSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002288if test -z "$LDSHARED"
2289then
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002290 case $ac_sys_system/$ac_sys_release in
Neil Schemenauerb3531b82001-02-16 04:09:05 +00002291 AIX*)
Georg Brandl9a829be2011-02-15 15:44:51 +00002292 BLDSHARED="\$(srcdir)/Modules/ld_so_aix \$(CC) -bI:\$(srcdir)/Modules/python.exp"
Guido van Rossumce608b02001-09-28 15:59:38 +00002293 LDSHARED="\$(BINLIBDEST)/config/ld_so_aix \$(CC) -bI:\$(BINLIBDEST)/config/python.exp"
Neil Schemenauerb3531b82001-02-16 04:09:05 +00002294 ;;
Guido van Rossum6100aaf1997-04-29 21:48:51 +00002295 IRIX/5*) LDSHARED="ld -shared";;
Guido van Rossum91922671997-10-09 20:24:13 +00002296 IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";;
Victor Stinner1b80b242016-04-12 22:34:58 +02002297 SunOS/5*)
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002298 if test "$GCC" = "yes" ; then
2299 LDSHARED='$(CC) -shared'
2300 LDCXXSHARED='$(CXX) -shared'
2301 else
2302 LDSHARED='$(CC) -G'
2303 LDCXXSHARED='$(CXX) -G'
Greg Ward57c9a6632000-05-26 12:22:54 +00002304 fi ;;
Thomas Hellerf44b9a12008-04-04 10:18:23 +00002305 hp*|HP*)
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002306 if test "$GCC" = "yes" ; then
2307 LDSHARED='$(CC) -shared'
2308 LDCXXSHARED='$(CXX) -shared'
2309 else
2310 LDSHARED='ld -b'
Thomas Hellerf44b9a12008-04-04 10:18:23 +00002311 fi ;;
Jack Jansen418c3b12001-11-14 10:59:57 +00002312 Darwin/1.3*)
Antoine Pitroud4958c22010-10-13 17:01:10 +00002313 LDSHARED='$(CC) -bundle'
2314 LDCXXSHARED='$(CXX) -bundle'
Jack Jansena3891ea2001-09-07 14:25:12 +00002315 if test "$enable_framework" ; then
2316 # Link against the framework. All externals should be defined.
Jack Jansenda49e192005-01-07 13:08:22 +00002317 BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
2318 LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002319 LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansena3891ea2001-09-07 14:25:12 +00002320 else
2321 # No framework. Ignore undefined symbols, assuming they come from Python
Jack Jansen418c3b12001-11-14 10:59:57 +00002322 LDSHARED="$LDSHARED -undefined suppress"
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002323 LDCXXSHARED="$LDCXXSHARED -undefined suppress"
Jack Jansena3891ea2001-09-07 14:25:12 +00002324 fi ;;
Jack Jansen6b08a402004-06-03 12:41:45 +00002325 Darwin/1.4*|Darwin/5.*|Darwin/6.*)
Antoine Pitroud4958c22010-10-13 17:01:10 +00002326 LDSHARED='$(CC) -bundle'
2327 LDCXXSHARED='$(CXX) -bundle'
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002328 if test "$enable_framework" ; then
2329 # Link against the framework. All externals should be defined.
Jack Jansenda49e192005-01-07 13:08:22 +00002330 BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
2331 LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002332 LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002333 else
Michael W. Hudson0c46c0c2002-03-07 09:58:56 +00002334 # No framework, use the Python app as bundle-loader
2335 BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
Jack Jansenc28fc372003-02-25 13:14:43 +00002336 LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002337 LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002338 fi ;;
Jack Jansen6b08a402004-06-03 12:41:45 +00002339 Darwin/*)
2340 # Use -undefined dynamic_lookup whenever possible (10.3 and later).
2341 # This allows an extension to be used in any Python
Thomas Wouters89d996e2007-09-08 17:39:28 +00002342
Ned Deily36820b62014-06-25 13:44:22 -07002343 dep_target_major=`echo ${MACOSX_DEPLOYMENT_TARGET} | \
2344 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
2345 dep_target_minor=`echo ${MACOSX_DEPLOYMENT_TARGET} | \
2346 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
2347 if test ${dep_target_major} -eq 10 && \
2348 test ${dep_target_minor} -le 2
Jack Jansen6b08a402004-06-03 12:41:45 +00002349 then
Ned Deily36820b62014-06-25 13:44:22 -07002350 # building for OS X 10.0 through 10.2
Antoine Pitroud4958c22010-10-13 17:01:10 +00002351 LDSHARED='$(CC) -bundle'
2352 LDCXXSHARED='$(CXX) -bundle'
Jack Jansen6b08a402004-06-03 12:41:45 +00002353 if test "$enable_framework" ; then
2354 # Link against the framework. All externals should be defined.
Jack Jansenda49e192005-01-07 13:08:22 +00002355 BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
2356 LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002357 LDCXXSHARED="$LDCXXSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansen6b08a402004-06-03 12:41:45 +00002358 else
2359 # No framework, use the Python app as bundle-loader
2360 BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
2361 LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002362 LDCXXSHARED="$LDCXXSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
Jack Jansen6b08a402004-06-03 12:41:45 +00002363 fi
Ned Deily36820b62014-06-25 13:44:22 -07002364 else
2365 # building for OS X 10.3 and later
2366 LDSHARED='$(CC) -bundle -undefined dynamic_lookup'
2367 LDCXXSHARED='$(CXX) -bundle -undefined dynamic_lookup'
2368 BLDSHARED="$LDSHARED"
Jack Jansen6b08a402004-06-03 12:41:45 +00002369 fi
2370 ;;
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002371 Linux*|GNU*|QNX*)
2372 LDSHARED='$(CC) -shared'
2373 LDCXXSHARED='$(CXX) -shared';;
2374 BSD/OS*/4*)
2375 LDSHARED="gcc -shared"
2376 LDCXXSHARED="g++ -shared";;
Thomas Wouters1ba5b3b2006-06-08 14:52:47 +00002377 FreeBSD*)
Jeremy Hylton4bcc7c52000-08-31 17:45:35 +00002378 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
Guido van Rossum0286ae82000-08-29 15:06:49 +00002379 then
Antoine Pitroud4958c22010-10-13 17:01:10 +00002380 LDSHARED='$(CC) -shared'
2381 LDCXXSHARED='$(CXX) -shared'
Guido van Rossum0286ae82000-08-29 15:06:49 +00002382 else
Antoine Pitroud4958c22010-10-13 17:01:10 +00002383 LDSHARED="ld -Bshareable"
Guido van Rossum0286ae82000-08-29 15:06:49 +00002384 fi;;
Thomas Wouters1ba5b3b2006-06-08 14:52:47 +00002385 OpenBSD*)
2386 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
2387 then
Antoine Pitroud4958c22010-10-13 17:01:10 +00002388 LDSHARED='$(CC) -shared $(CCSHARED)'
2389 LDCXXSHARED='$(CXX) -shared $(CCSHARED)'
Thomas Wouters1ba5b3b2006-06-08 14:52:47 +00002390 else
2391 case `uname -r` in
2392 [[01]].* | 2.[[0-7]] | 2.[[0-7]].*)
2393 LDSHARED="ld -Bshareable ${LDFLAGS}"
2394 ;;
2395 *)
Antoine Pitroud4958c22010-10-13 17:01:10 +00002396 LDSHARED='$(CC) -shared $(CCSHARED)'
2397 LDCXXSHARED='$(CXX) -shared $(CCSHARED)'
Thomas Wouters1ba5b3b2006-06-08 14:52:47 +00002398 ;;
2399 esac
2400 fi;;
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002401 NetBSD*|DragonFly*)
Antoine Pitrouece919e2011-01-02 20:45:21 +00002402 LDSHARED='$(CC) -shared'
2403 LDCXXSHARED='$(CXX) -shared';;
Martin v. Löwis25ae43b2001-10-07 08:39:18 +00002404 OpenUNIX*|UnixWare*)
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002405 if test "$GCC" = "yes" ; then
2406 LDSHARED='$(CC) -shared'
2407 LDCXXSHARED='$(CXX) -shared'
2408 else
2409 LDSHARED='$(CC) -G'
2410 LDCXXSHARED='$(CXX) -G'
Martin v. Löwisbec19582001-03-21 15:57:54 +00002411 fi;;
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002412 SCO_SV*)
2413 LDSHARED='$(CC) -Wl,-G,-Bexport'
2414 LDCXXSHARED='$(CXX) -Wl,-G,-Bexport';;
2415 CYGWIN*)
2416 LDSHARED="gcc -shared -Wl,--enable-auto-image-base"
2417 LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
Guido van Rossumac405f61994-09-12 10:56:06 +00002418 *) LDSHARED="ld";;
2419 esac
Guido van Rossumac405f61994-09-12 10:56:06 +00002420fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002421AC_MSG_RESULT($LDSHARED)
Tarek Ziadé03d788d2010-04-03 08:46:49 +00002422LDCXXSHARED=${LDCXXSHARED-$LDSHARED}
Neil Schemenauerb3531b82001-02-16 04:09:05 +00002423BLDSHARED=${BLDSHARED-$LDSHARED}
Guido van Rossumac405f61994-09-12 10:56:06 +00002424# CCSHARED are the C *flags* used to create objects to go into a shared
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002425# library (module) -- this is only needed for a few systems
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002426AC_MSG_CHECKING(CCSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002427if test -z "$CCSHARED"
2428then
Guido van Rossum6100aaf1997-04-29 21:48:51 +00002429 case $ac_sys_system/$ac_sys_release in
Neil Schemenauer66252162001-02-19 04:47:42 +00002430 SunOS*) if test "$GCC" = yes;
Guido van Rossumd8faa362007-04-27 19:54:29 +00002431 then CCSHARED="-fPIC";
2432 elif test `uname -p` = sparc;
2433 then CCSHARED="-xcode=pic32";
2434 else CCSHARED="-Kpic";
2435 fi;;
Guido van Rossumaf07a441995-02-13 19:45:27 +00002436 hp*|HP*) if test "$GCC" = yes;
Martin v. Löwis703ad702001-09-05 08:36:52 +00002437 then CCSHARED="-fPIC";
Guido van Rossumaf07a441995-02-13 19:45:27 +00002438 else CCSHARED="+z";
2439 fi;;
Martin v. Löwisa6e97582002-01-01 18:41:33 +00002440 Linux*|GNU*) CCSHARED="-fPIC";;
Guido van Rossumf5957ea1999-10-05 21:59:33 +00002441 BSD/OS*/4*) CCSHARED="-fpic";;
Martin v. Löwis86d66262006-02-17 08:40:11 +00002442 FreeBSD*|NetBSD*|OpenBSD*|DragonFly*) CCSHARED="-fPIC";;
Martin v. Löwis25ae43b2001-10-07 08:39:18 +00002443 OpenUNIX*|UnixWare*)
Martin v. Löwisbec19582001-03-21 15:57:54 +00002444 if test "$GCC" = "yes"
2445 then CCSHARED="-fPIC"
Martin v. Löwis130fb172001-07-19 11:00:41 +00002446 else CCSHARED="-KPIC"
Martin v. Löwisbec19582001-03-21 15:57:54 +00002447 fi;;
Martin v. Löwis21ee4092002-09-30 16:19:48 +00002448 SCO_SV*)
2449 if test "$GCC" = "yes"
2450 then CCSHARED="-fPIC"
2451 else CCSHARED="-Kpic -belf"
2452 fi;;
Guido van Rossum2b5ca001998-03-05 15:41:09 +00002453 IRIX*/6*) case $CC in
2454 *gcc*) CCSHARED="-shared";;
Guido van Rossumee21f411998-04-20 18:51:54 +00002455 *) CCSHARED="";;
Guido van Rossum2b5ca001998-03-05 15:41:09 +00002456 esac;;
Guido van Rossumac405f61994-09-12 10:56:06 +00002457 esac
Guido van Rossumac405f61994-09-12 10:56:06 +00002458fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002459AC_MSG_RESULT($CCSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002460# LINKFORSHARED are the flags passed to the $(CC) command that links
Guido van Rossumb65a48e1995-06-14 18:21:23 +00002461# the python executable -- this is only needed for a few systems
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002462AC_MSG_CHECKING(LINKFORSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002463if test -z "$LINKFORSHARED"
2464then
Guido van Rossum6100aaf1997-04-29 21:48:51 +00002465 case $ac_sys_system/$ac_sys_release in
Neil Schemenauerb3531b82001-02-16 04:09:05 +00002466 AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';;
Guido van Rossum5dab3d81996-12-06 21:18:18 +00002467 hp*|HP*)
Martin v. Löwis1142de32002-03-29 16:28:31 +00002468 LINKFORSHARED="-Wl,-E -Wl,+s";;
2469# LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
Guido van Rossumf5957ea1999-10-05 21:59:33 +00002470 BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
Martin v. Löwisa6e97582002-01-01 18:41:33 +00002471 Linux*|GNU*) LINKFORSHARED="-Xlinker -export-dynamic";;
Guido van Rossum54ecc3d1999-01-27 17:53:11 +00002472 # -u libsys_s pulls in all symbols in libsys
Victor Stinner1b80b242016-04-12 22:34:58 +02002473 Darwin/*)
Benjamin Peterson9c80cac2009-05-23 16:34:23 +00002474 LINKFORSHARED="$extra_undefs -framework CoreFoundation"
Łukasz Langa335ab5b2013-05-30 20:58:53 +02002475
2476 # Issue #18075: the default maximum stack size (8MBytes) is too
2477 # small for the default recursion limit. Increase the stack size
2478 # to ensure that tests don't crash
2479 LINKFORSHARED="-Wl,-stack_size,1000000 $LINKFORSHARED"
2480
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002481 if test "$enable_framework"
2482 then
Jack Jansenda49e192005-01-07 13:08:22 +00002483 LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
Jack Jansenb6e9cad2001-08-15 01:26:28 +00002484 fi
Raymond Hettingerec6eb362004-11-05 07:02:59 +00002485 LINKFORSHARED="$LINKFORSHARED";;
Martin v. Löwis25ae43b2001-10-07 08:39:18 +00002486 OpenUNIX*|UnixWare*) LINKFORSHARED="-Wl,-Bexport";;
Martin v. Löwis21ee4092002-09-30 16:19:48 +00002487 SCO_SV*) LINKFORSHARED="-Wl,-Bexport";;
Fred Drake02706f52000-09-25 15:08:46 +00002488 ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
Victor Stinner1b80b242016-04-12 22:34:58 +02002489 FreeBSD*|NetBSD*|OpenBSD*|DragonFly*)
Guido van Rossumdf693651999-01-07 21:50:41 +00002490 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
2491 then
2492 LINKFORSHARED="-Wl,--export-dynamic"
2493 fi;;
Guido van Rossum2b5ca001998-03-05 15:41:09 +00002494 SunOS/5*) case $CC in
2495 *gcc*)
Martin v. Löwisa4548572002-04-18 14:51:36 +00002496 if $CC -Xlinker --help 2>&1 | grep export-dynamic >/dev/null
Guido van Rossum8f4ceb11997-12-18 23:42:19 +00002497 then
2498 LINKFORSHARED="-Xlinker --export-dynamic"
Guido van Rossum2b5ca001998-03-05 15:41:09 +00002499 fi;;
2500 esac;;
Jason Tishler30765592003-09-04 11:04:06 +00002501 CYGWIN*)
2502 if test $enable_shared = "no"
2503 then
2504 LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
2505 fi;;
Georg Brandlf78e02b2008-06-10 17:40:04 +00002506 QNX*)
2507 # -Wl,-E causes the symbols to be added to the dynamic
2508 # symbol table so that they can be found when a module
2509 # is loaded. -N 2048K causes the stack size to be set
2510 # to 2048 kilobytes so that the stack doesn't overflow
2511 # when running test_compile.py.
2512 LINKFORSHARED='-Wl,-E -N 2048K';;
Guido van Rossumac405f61994-09-12 10:56:06 +00002513 esac
Guido van Rossumac405f61994-09-12 10:56:06 +00002514fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002515AC_MSG_RESULT($LINKFORSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +00002516
Georg Brandl93de2162008-07-16 02:21:06 +00002517
Neil Schemenauer61c51152001-01-26 16:18:16 +00002518AC_SUBST(CFLAGSFORSHARED)
2519AC_MSG_CHECKING(CFLAGSFORSHARED)
2520if test ! "$LIBRARY" = "$LDLIBRARY"
2521then
Neil Schemenauerd9cf41c2001-01-27 21:39:17 +00002522 case $ac_sys_system in
2523 CYGWIN*)
2524 # Cygwin needs CCSHARED when building extension DLLs
2525 # but not when building the interpreter DLL.
2526 CFLAGSFORSHARED='';;
2527 *)
2528 CFLAGSFORSHARED='$(CCSHARED)'
2529 esac
Neil Schemenauer61c51152001-01-26 16:18:16 +00002530fi
2531AC_MSG_RESULT($CFLAGSFORSHARED)
2532
Martin v. Löwisf90ae202002-06-11 06:22:31 +00002533# SHLIBS are libraries (except -lc and -lm) to link to the python shared
2534# library (with --enable-shared).
2535# For platforms on which shared libraries are not allowed to have unresolved
Martin v. Löwisd6359c52002-08-04 12:38:50 +00002536# symbols, this must be set to $(LIBS) (expanded by make). We do this even
2537# if it is not required, since it creates a dependency of the shared library
2538# to LIBS. This, in turn, means that applications linking the shared libpython
2539# don't need to link LIBS explicitly. The default should be only changed
2540# on systems where this approach causes problems.
Martin v. Löwisf90ae202002-06-11 06:22:31 +00002541AC_SUBST(SHLIBS)
2542AC_MSG_CHECKING(SHLIBS)
2543case "$ac_sys_system" in
Martin v. Löwisf90ae202002-06-11 06:22:31 +00002544 *)
Martin v. Löwisd6359c52002-08-04 12:38:50 +00002545 SHLIBS='$(LIBS)';;
Martin v. Löwisf90ae202002-06-11 06:22:31 +00002546esac
2547AC_MSG_RESULT($SHLIBS)
2548
2549
Guido van Rossum627b2d71993-12-24 10:39:16 +00002550# checks for libraries
Giampaolo Rodolàc9c2c8b2011-02-25 14:39:16 +00002551AC_CHECK_LIB(sendfile, sendfile)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00002552AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
2553AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
Victor Stinnerbeeb5122014-11-28 13:28:25 +01002554AC_CHECK_LIB(crypto, RAND_egd,
2555 AC_DEFINE(HAVE_RAND_EGD, 1,
2556 [Define if the libcrypto has RAND_egd]))
Martin v. Löwis519adae2003-09-20 10:47:47 +00002557
Georg Brandleee31162008-12-07 15:15:22 +00002558# only check for sem_init if thread support is requested
Martin v. Löwis519adae2003-09-20 10:47:47 +00002559if test "$with_threads" = "yes" -o -z "$with_threads"; then
2560 AC_SEARCH_LIBS(sem_init, pthread rt posix4) # 'Real Time' functions on Solaris
2561 # posix4 on Solaris 2.6
2562 # pthread (first!) on Linux
2563fi
2564
Martin v. Löwis19d17342003-06-14 21:03:05 +00002565# check if we need libintl for locale functions
2566AC_CHECK_LIB(intl, textdomain,
Brett Cannonc6d936e2009-06-07 20:09:53 +00002567 [AC_DEFINE(WITH_LIBINTL, 1,
2568 [Define to 1 if libintl is needed for locale functions.])
2569 LIBS="-lintl $LIBS"])
Guido van Rossum0eefa3f1999-11-16 15:57:37 +00002570
2571# checks for system dependent C++ extensions support
2572case "$ac_sys_system" in
2573 AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
Matthias Kloseb159a552010-04-25 21:00:44 +00002574 AC_LINK_IFELSE([
Georg Brandl59e87bd2011-02-15 19:48:59 +00002575 AC_LANG_PROGRAM([[#include <load.h>]],
Matthias Kloseb159a552010-04-25 21:00:44 +00002576 [[loadAndInit("", 0, "")]])
2577 ],[
2578 AC_DEFINE(AIX_GENUINE_CPLUSPLUS, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002579 [Define for AIX if your compiler is a genuine IBM xlC/xlC_r
2580 and you want support for AIX C++ shared extension modules.])
Matthias Kloseb159a552010-04-25 21:00:44 +00002581 AC_MSG_RESULT(yes)
2582 ],[
2583 AC_MSG_RESULT(no)
2584 ]);;
Guido van Rossum0eefa3f1999-11-16 15:57:37 +00002585 *) ;;
2586esac
2587
Christian Heimes985ecdc2013-11-20 11:46:18 +01002588# check for systems that require aligned memory access
2589AC_MSG_CHECKING(aligned memory access is required)
2590AC_TRY_RUN([
2591int main()
2592{
2593 char s[16];
2594 int i, *p1, *p2;
2595 for (i=0; i < 16; i++)
2596 s[i] = i;
2597 p1 = (int*)(s+1);
2598 p2 = (int*)(s+2);
2599 if (*p1 == *p2)
2600 return 1;
2601 return 0;
2602}
2603 ],
2604 [aligned_required=no],
2605 [aligned_required=yes],
2606 [aligned_required=yes])
2607
2608if test "$aligned_required" = yes ; then
2609 AC_DEFINE([HAVE_ALIGNED_REQUIRED], [1],
2610 [Define if aligned memory access is required])
2611fi
2612AC_MSG_RESULT($aligned_required)
2613
2614
2615# str, bytes and memoryview hash algorithm
2616AH_TEMPLATE(Py_HASH_ALGORITHM,
2617 [Define hash algorithm for str, bytes and memoryview.
2618 SipHash24: 1, FNV: 2, externally defined: 0])
2619
2620AC_MSG_CHECKING(for --with-hash-algorithm)
2621dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
2622AC_ARG_WITH(hash_algorithm,
2623 AS_HELP_STRING([--with-hash-algorithm=@<:@fnv|siphash24@:>@],
2624 [select hash algorithm]),
2625[
2626AC_MSG_RESULT($withval)
2627case "$withval" in
2628 siphash24)
2629 AC_DEFINE(Py_HASH_ALGORITHM, 1)
2630 ;;
2631 fnv)
2632 AC_DEFINE(Py_HASH_ALGORITHM, 2)
2633 ;;
2634 *)
2635 AC_MSG_ERROR([unknown hash algorithm '$withval'])
2636 ;;
2637esac
2638],
2639[AC_MSG_RESULT(default)])
2640
Charles-François Natalid30b0222014-05-08 23:08:51 +01002641AC_MSG_CHECKING(for --with-address-sanitizer)
2642AC_ARG_WITH(address_sanitizer,
2643 AS_HELP_STRING([--with-address-sanitizer],
2644 [enable AddressSanitizer]),
2645[
2646AC_MSG_RESULT($withval)
2647BASECFLAGS="-fsanitize=address -fno-omit-frame-pointer $BASECFLAGS"
2648LDFLAGS="-fsanitize=address $LDFLAGS"
2649],
2650[AC_MSG_RESULT(no)])
2651
Guido van Rossum70c7f481998-03-26 18:44:10 +00002652# Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
Guido van Rossumf618d2c1995-01-17 16:36:13 +00002653AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
Guido van Rossumf618d2c1995-01-17 16:36:13 +00002654AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
Skip Montanarob9949db2004-01-17 04:04:13 +00002655
Guido van Rossumc5a39031996-07-31 17:35:03 +00002656AC_MSG_CHECKING(for --with-libs)
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002657AC_ARG_WITH(libs,
Matthias Klose2b8733f2010-04-25 18:34:36 +00002658 AS_HELP_STRING([--with-libs='lib1 ...'], [link against additional libs]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002659[
Guido van Rossumc5a39031996-07-31 17:35:03 +00002660AC_MSG_RESULT($withval)
2661LIBS="$withval $LIBS"
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002662],
2663[AC_MSG_RESULT(no)])
Guido van Rossum627b2d71993-12-24 10:39:16 +00002664
Benjamin Peterson0f3cde12014-12-15 00:00:23 -05002665PKG_PROG_PKG_CONFIG
Benjamin Peterson0f64b0b2010-03-09 21:49:52 +00002666
Benjamin Petersonb2d90462009-12-31 03:23:10 +00002667# Check for use of the system expat library
2668AC_MSG_CHECKING(for --with-system-expat)
2669AC_ARG_WITH(system_expat,
Benjamin Peterson79263252010-10-31 16:50:44 +00002670 AS_HELP_STRING([--with-system-expat], [build pyexpat module using an installed expat library]),
2671 [],
2672 [with_system_expat="no"])
Benjamin Petersonb2d90462009-12-31 03:23:10 +00002673
2674AC_MSG_RESULT($with_system_expat)
2675
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00002676# Check for use of the system libffi library
2677AC_MSG_CHECKING(for --with-system-ffi)
2678AC_ARG_WITH(system_ffi,
Benjamin Peterson79263252010-10-31 16:50:44 +00002679 AS_HELP_STRING([--with-system-ffi], [build _ctypes module using an installed ffi library]),
2680 [],
2681 [with_system_ffi="no"])
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00002682
Benjamin Peterson0f64b0b2010-03-09 21:49:52 +00002683if test "$with_system_ffi" = "yes" && test -n "$PKG_CONFIG"; then
Benjamin Petersond78735d2010-01-01 16:04:23 +00002684 LIBFFI_INCLUDEDIR="`"$PKG_CONFIG" libffi --cflags-only-I 2>/dev/null | sed -e 's/^-I//;s/ *$//'`"
2685else
2686 LIBFFI_INCLUDEDIR=""
2687fi
2688AC_SUBST(LIBFFI_INCLUDEDIR)
2689
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00002690AC_MSG_RESULT($with_system_ffi)
2691
Stefan Krah60187b52012-03-23 19:06:27 +01002692# Check for use of the system libmpdec library
2693AC_MSG_CHECKING(for --with-system-libmpdec)
2694AC_ARG_WITH(system_libmpdec,
2695 AS_HELP_STRING([--with-system-libmpdec], [build _decimal module using an installed libmpdec library]),
2696 [],
2697 [with_system_libmpdec="no"])
2698
2699AC_MSG_RESULT($with_system_libmpdec)
2700
Benjamin Peterson076ed002010-10-31 17:11:02 +00002701# Check for support for loadable sqlite extensions
2702AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions)
2703AC_ARG_ENABLE(loadable-sqlite-extensions,
2704 AS_HELP_STRING([--enable-loadable-sqlite-extensions], [support loadable extensions in _sqlite module]),
2705 [],
2706 [enable_loadable_sqlite_extensions="no"])
2707
2708AC_MSG_RESULT($enable_loadable_sqlite_extensions)
2709
Ned Deilyd819b932013-09-06 01:07:05 -07002710# Check for --with-tcltk-includes=path and --with-tcltk-libs=path
2711AC_SUBST(TCLTK_INCLUDES)
2712AC_SUBST(TCLTK_LIBS)
2713AC_MSG_CHECKING(for --with-tcltk-includes)
2714AC_ARG_WITH(tcltk-includes,
2715 AS_HELP_STRING([--with-tcltk-includes='-I...'], [override search for Tcl and Tk include files]),
2716 [],
2717 [with_tcltk_includes="default"])
2718AC_MSG_RESULT($with_tcltk_includes)
2719AC_MSG_CHECKING(for --with-tcltk-libs)
2720AC_ARG_WITH(tcltk-libs,
2721 AS_HELP_STRING([--with-tcltk-libs='-L...'], [override search for Tcl and Tk libs]),
2722 [],
2723 [with_tcltk_libs="default"])
2724AC_MSG_RESULT($with_tcltk_libs)
2725if test "x$with_tcltk_includes" = xdefault || test "x$with_tcltk_libs" = xdefault
2726then
2727 if test "x$with_tcltk_includes" != "x$with_tcltk_libs"
2728 then
2729 AC_MSG_ERROR([use both --with-tcltk-includes='...' and --with-tcltk-libs='...' or neither])
2730 fi
2731 TCLTK_INCLUDES=""
2732 TCLTK_LIBS=""
2733else
2734 TCLTK_INCLUDES="$with_tcltk_includes"
2735 TCLTK_LIBS="$with_tcltk_libs"
2736fi
2737
Matthias Klose55708cc2009-04-30 08:06:49 +00002738# Check for --with-dbmliborder
2739AC_MSG_CHECKING(for --with-dbmliborder)
2740AC_ARG_WITH(dbmliborder,
Matthias Klose2b8733f2010-04-25 18:34:36 +00002741 AS_HELP_STRING([--with-dbmliborder=db1:db2:...], [order to check db backends for dbm. Valid value is a colon separated string with the backend names `ndbm', `gdbm' and `bdb'.]),
Matthias Klose55708cc2009-04-30 08:06:49 +00002742[
2743if test x$with_dbmliborder = xyes
2744then
2745AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
2746else
2747 for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do
2748 if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
2749 then
2750 AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:...])
2751 fi
2752 done
2753fi])
2754AC_MSG_RESULT($with_dbmliborder)
2755
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00002756# Determine if signalmodule should be used.
2757AC_SUBST(USE_SIGNAL_MODULE)
2758AC_SUBST(SIGNAL_OBJS)
2759AC_MSG_CHECKING(for --with-signal-module)
2760AC_ARG_WITH(signal-module,
Matthias Klose2b8733f2010-04-25 18:34:36 +00002761 AS_HELP_STRING([--with-signal-module], [disable/enable signal module]))
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00002762
2763if test -z "$with_signal_module"
2764then with_signal_module="yes"
2765fi
2766AC_MSG_RESULT($with_signal_module)
2767
2768if test "${with_signal_module}" = "yes"; then
2769 USE_SIGNAL_MODULE=""
2770 SIGNAL_OBJS=""
2771else
2772 USE_SIGNAL_MODULE="#"
2773 SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o"
2774fi
2775
Guido van Rossum3d15bd82001-01-10 18:53:48 +00002776# This is used to generate Setup.config
Guido van Rossum009f7871997-12-04 00:51:42 +00002777AC_SUBST(USE_THREAD_MODULE)
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002778USE_THREAD_MODULE=""
Guido van Rossum009f7871997-12-04 00:51:42 +00002779
Guido van Rossum54d93d41997-01-22 20:51:58 +00002780AC_SUBST(LDLAST)
Guido van Rossum54d93d41997-01-22 20:51:58 +00002781
Martin v. Löwis11437992002-04-12 09:54:03 +00002782# Templates for things AC_DEFINEd more than once.
2783# For a single AC_DEFINE, no template is needed.
Martin v. Löwis11437992002-04-12 09:54:03 +00002784AH_TEMPLATE(_REENTRANT,
2785 [Define to force use of thread-safe errno, h_errno, and other functions])
2786AH_TEMPLATE(WITH_THREAD,
2787 [Define if you want to compile in rudimentary thread support])
2788
Guido van Rossum54d93d41997-01-22 20:51:58 +00002789AC_MSG_CHECKING(for --with-threads)
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002790dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002791AC_ARG_WITH(threads,
Matthias Klose2b8733f2010-04-25 18:34:36 +00002792 AS_HELP_STRING([--with(out)-threads@<:@=DIRECTORY@:>@], [disable/enable thread support]))
Guido van Rossum54d93d41997-01-22 20:51:58 +00002793
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002794# --with-thread is deprecated, but check for it anyway
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002795dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
Barry Warsawa0f3c5c2000-06-30 16:39:35 +00002796AC_ARG_WITH(thread,
Matthias Klose2b8733f2010-04-25 18:34:36 +00002797 AS_HELP_STRING([--with(out)-thread@<:@=DIRECTORY@:>@], [deprecated; use --with(out)-threads]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002798 [with_threads=$with_thread])
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002799
2800if test -z "$with_threads"
2801then with_threads="yes"
Guido van Rossum433c8ad1994-08-01 12:07:07 +00002802fi
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002803AC_MSG_RESULT($with_threads)
Guido van Rossum6400c261997-05-22 20:34:27 +00002804
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002805AC_SUBST(THREADOBJ)
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002806if test "$with_threads" = "no"
2807then
2808 USE_THREAD_MODULE="#"
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00002809elif test "$ac_cv_pthread_is_default" = yes
2810then
2811 AC_DEFINE(WITH_THREAD)
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00002812 # Defining _REENTRANT on system with POSIX threads should not hurt.
2813 AC_DEFINE(_REENTRANT)
2814 posix_threads=yes
Victor Stinner1b80b242016-04-12 22:34:58 +02002815 THREADOBJ="Python/thread.o"
Martin v. Löwis130fb172001-07-19 11:00:41 +00002816elif test "$ac_cv_kpthread" = "yes"
2817then
2818 CC="$CC -Kpthread"
Martin v. Löwis519adae2003-09-20 10:47:47 +00002819 if test "$ac_cv_cxx_thread" = "yes"; then
2820 CXX="$CXX -Kpthread"
2821 fi
Martin v. Löwis130fb172001-07-19 11:00:41 +00002822 AC_DEFINE(WITH_THREAD)
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002823 posix_threads=yes
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002824 THREADOBJ="Python/thread.o"
Martin v. Löwis5f433f02003-05-05 05:05:30 +00002825elif test "$ac_cv_kthread" = "yes"
2826then
2827 CC="$CC -Kthread"
Martin v. Löwis519adae2003-09-20 10:47:47 +00002828 if test "$ac_cv_cxx_thread" = "yes"; then
2829 CXX="$CXX -Kthread"
2830 fi
Martin v. Löwis5f433f02003-05-05 05:05:30 +00002831 AC_DEFINE(WITH_THREAD)
2832 posix_threads=yes
2833 THREADOBJ="Python/thread.o"
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002834elif test "$ac_cv_pthread" = "yes"
2835then
2836 CC="$CC -pthread"
Martin v. Löwis519adae2003-09-20 10:47:47 +00002837 if test "$ac_cv_cxx_thread" = "yes"; then
2838 CXX="$CXX -pthread"
2839 fi
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002840 AC_DEFINE(WITH_THREAD)
2841 posix_threads=yes
2842 THREADOBJ="Python/thread.o"
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002843else
Martin v. Löwis130fb172001-07-19 11:00:41 +00002844 if test ! -z "$with_threads" -a -d "$with_threads"
2845 then LDFLAGS="$LDFLAGS -L$with_threads"
2846 fi
2847 if test ! -z "$withval" -a -d "$withval"
2848 then LDFLAGS="$LDFLAGS -L$withval"
2849 fi
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002850
2851 # According to the POSIX spec, a pthreads implementation must
Matthias Klosea2542be2004-08-16 11:35:51 +00002852 # define _POSIX_THREADS in unistd.h. Some apparently don't
2853 # (e.g. gnu pth with pthread emulation)
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002854 AC_MSG_CHECKING(for _POSIX_THREADS in unistd.h)
2855 AC_EGREP_CPP(yes,
Neal Norwitz6eb37f02003-02-23 23:28:15 +00002856 [
2857#include <unistd.h>
2858#ifdef _POSIX_THREADS
2859yes
2860#endif
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002861 ], unistd_defines_pthreads=yes, unistd_defines_pthreads=no)
2862 AC_MSG_RESULT($unistd_defines_pthreads)
2863
Martin v. Löwis130fb172001-07-19 11:00:41 +00002864 AC_DEFINE(_REENTRANT)
Martin v. Löwis8158b5a2001-10-08 13:17:28 +00002865 # Just looking for pthread_create in libpthread is not enough:
2866 # on HP/UX, pthread.h renames pthread_create to a different symbol name.
2867 # So we really have to include pthread.h, and then link.
2868 _libs=$LIBS
2869 LIBS="$LIBS -lpthread"
2870 AC_MSG_CHECKING([for pthread_create in -lpthread])
Stefan Krah7dba5942012-11-22 22:49:11 +01002871 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2872#include <stdio.h>
2873#include <pthread.h>
Martin v. Löwis8158b5a2001-10-08 13:17:28 +00002874
Matthias Kloseb159a552010-04-25 21:00:44 +00002875void * start_routine (void *arg) { exit (0); }]], [[
2876pthread_create (NULL, NULL, start_routine, NULL)]])],[
Martin v. Löwis8158b5a2001-10-08 13:17:28 +00002877 AC_MSG_RESULT(yes)
2878 AC_DEFINE(WITH_THREAD)
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002879 posix_threads=yes
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002880 THREADOBJ="Python/thread.o"],[
Martin v. Löwis8158b5a2001-10-08 13:17:28 +00002881 LIBS=$_libs
Martin v. Löwis130fb172001-07-19 11:00:41 +00002882 AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002883 posix_threads=yes
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002884 THREADOBJ="Python/thread.o"],[
Martin v. Löwis130fb172001-07-19 11:00:41 +00002885 AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002886 posix_threads=yes
Martin v. Löwis130fb172001-07-19 11:00:41 +00002887 LIBS="$LIBS -lpthreads"
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002888 THREADOBJ="Python/thread.o"], [
Martin v. Löwis130fb172001-07-19 11:00:41 +00002889 AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002890 posix_threads=yes
Martin v. Löwis130fb172001-07-19 11:00:41 +00002891 LIBS="$LIBS -lc_r"
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002892 THREADOBJ="Python/thread.o"], [
Martin v. Löwis130fb172001-07-19 11:00:41 +00002893 AC_CHECK_LIB(pthread, __pthread_create_system, [AC_DEFINE(WITH_THREAD)
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002894 posix_threads=yes
Martin v. Löwis130fb172001-07-19 11:00:41 +00002895 LIBS="$LIBS -lpthread"
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002896 THREADOBJ="Python/thread.o"], [
Martin v. Löwis130fb172001-07-19 11:00:41 +00002897 AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002898 posix_threads=yes
Martin v. Löwis130fb172001-07-19 11:00:41 +00002899 LIBS="$LIBS -lcma"
Martin v. Löwis2d7e2642002-04-05 16:50:53 +00002900 THREADOBJ="Python/thread.o"],[
Martin v. Löwis130fb172001-07-19 11:00:41 +00002901 USE_THREAD_MODULE="#"])
Antoine Pitrou37009202011-07-08 23:47:50 +02002902 ])])])])])
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002903
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002904 AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
2905 LIBS="$LIBS -lmpc"
2906 THREADOBJ="Python/thread.o"
2907 USE_THREAD_MODULE=""])
2908
Victor Stinner1b80b242016-04-12 22:34:58 +02002909 if test "$posix_threads" != "yes"; then
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002910 AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
2911 LIBS="$LIBS -lthread"
2912 THREADOBJ="Python/thread.o"
2913 USE_THREAD_MODULE=""])
2914 fi
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002915fi
2916
2917if test "$posix_threads" = "yes"; then
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002918 if test "$unistd_defines_pthreads" = "no"; then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002919 AC_DEFINE(_POSIX_THREADS, 1,
Victor Stinner1b80b242016-04-12 22:34:58 +02002920 [Define if you have POSIX threads,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002921 and your system does not define that.])
Martin v. Löwis69c0ff32001-10-15 14:34:42 +00002922 fi
2923
Martin v. Löwisdfc33fd2003-01-21 10:14:41 +00002924 # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
2925 case $ac_sys_system/$ac_sys_release in
Charles-François Natali996f6062011-07-21 19:45:31 +02002926 SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
Matthias Klosec80c93f2010-04-24 17:04:35 +00002927 [Defined for Solaris 2.6 bug in pthread header.])
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002928 ;;
Martin v. Löwisdfc33fd2003-01-21 10:14:41 +00002929 SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
Matthias Klosec80c93f2010-04-24 17:04:35 +00002930 [Define if the Posix semaphores do not work on your system])
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002931 ;;
Charles-François Natali996f6062011-07-21 19:45:31 +02002932 AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
Matthias Klosec80c93f2010-04-24 17:04:35 +00002933 [Define if the Posix semaphores do not work on your system])
Christian Heimes7b3ce6a2008-01-31 14:31:45 +00002934 ;;
Martin v. Löwisdfc33fd2003-01-21 10:14:41 +00002935 esac
2936
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002937 AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)
2938 AC_CACHE_VAL(ac_cv_pthread_system_supported,
Stefan Krah7dba5942012-11-22 22:49:11 +01002939 [AC_RUN_IFELSE([AC_LANG_SOURCE([[
2940 #include <stdio.h>
2941 #include <pthread.h>
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002942 void *foo(void *parm) {
2943 return NULL;
2944 }
2945 main() {
2946 pthread_attr_t attr;
Martin v. Löwisa82d3472002-02-24 16:05:05 +00002947 pthread_t id;
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002948 if (pthread_attr_init(&attr)) exit(-1);
2949 if (pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM)) exit(-1);
Martin v. Löwisa82d3472002-02-24 16:05:05 +00002950 if (pthread_create(&id, &attr, foo, NULL)) exit(-1);
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002951 exit(0);
Matthias Kloseb159a552010-04-25 21:00:44 +00002952 }]])],
2953 [ac_cv_pthread_system_supported=yes],
2954 [ac_cv_pthread_system_supported=no],
2955 [ac_cv_pthread_system_supported=no])
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002956 ])
2957 AC_MSG_RESULT($ac_cv_pthread_system_supported)
2958 if test "$ac_cv_pthread_system_supported" = "yes"; then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00002959 AC_DEFINE(PTHREAD_SYSTEM_SCHED_SUPPORTED, 1, [Defined if PTHREAD_SCOPE_SYSTEM supported.])
Guido van Rossumd0b69ec2001-09-10 14:10:54 +00002960 fi
Jason Tishlerfac083d2003-07-22 15:20:49 +00002961 AC_CHECK_FUNCS(pthread_sigmask,
2962 [case $ac_sys_system in
2963 CYGWIN*)
2964 AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1,
2965 [Define if pthread_sigmask() does not work on your system.])
2966 ;;
2967 esac])
Christian Heimesf77b4b22013-08-21 13:26:05 +02002968 AC_CHECK_FUNCS(pthread_atfork)
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00002969fi
Guido van Rossum433c8ad1994-08-01 12:07:07 +00002970
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00002971
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002972# Check for enable-ipv6
Martin v. Löwis11437992002-04-12 09:54:03 +00002973AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified])
Martin v. Löwisa5f8bb52001-09-05 08:22:34 +00002974AC_MSG_CHECKING([if --enable-ipv6 is specified])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002975AC_ARG_ENABLE(ipv6,
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00002976[ --enable-ipv6 Enable ipv6 (with ipv4) support
2977 --disable-ipv6 Disable ipv6 support],
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002978[ case "$enableval" in
2979 no)
2980 AC_MSG_RESULT(no)
2981 ipv6=no
2982 ;;
2983 *) AC_MSG_RESULT(yes)
2984 AC_DEFINE(ENABLE_IPV6)
2985 ipv6=yes
2986 ;;
2987 esac ],
2988
Martin v. Löwisa5f8bb52001-09-05 08:22:34 +00002989[
2990dnl the check does not work on cross compilation case...
Charles-François Natalif6fd7942013-01-08 19:49:42 +01002991 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* AF_INET6 available check */
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002992#include <sys/types.h>
Charles-François Natalif6fd7942013-01-08 19:49:42 +01002993#include <sys/socket.h>]],
2994[[int domain = AF_INET6;]])],[
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002995 AC_MSG_RESULT(yes)
Matthias Kloseb159a552010-04-25 21:00:44 +00002996 ipv6=yes
2997],[
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00002998 AC_MSG_RESULT(no)
2999 ipv6=no
Matthias Kloseb159a552010-04-25 21:00:44 +00003000])
Martin v. Löwisa5f8bb52001-09-05 08:22:34 +00003001
3002if test "$ipv6" = "yes"; then
3003 AC_MSG_CHECKING(if RFC2553 API is available)
Matthias Kloseb159a552010-04-25 21:00:44 +00003004 AC_COMPILE_IFELSE([
3005 AC_LANG_PROGRAM([[#include <sys/types.h>
3006#include <netinet/in.h>]],
3007 [[struct sockaddr_in6 x;
3008 x.sin6_scope_id;]])
3009 ],[
3010 AC_MSG_RESULT(yes)
3011 ipv6=yes
3012 ],[
3013 AC_MSG_RESULT(no, IPv6 disabled)
3014 ipv6=no
3015 ])
Martin v. Löwisa5f8bb52001-09-05 08:22:34 +00003016fi
3017
3018if test "$ipv6" = "yes"; then
3019 AC_DEFINE(ENABLE_IPV6)
3020fi
3021])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003022
3023ipv6type=unknown
3024ipv6lib=none
3025ipv6trylibc=no
3026
3027if test "$ipv6" = "yes"; then
3028 AC_MSG_CHECKING([ipv6 stack type])
Guido van Rossumb8552162001-09-05 14:58:11 +00003029 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta;
3030 do
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003031 case $i in
3032 inria)
3033 dnl http://www.kame.net/
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003034 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003035#include <netinet/in.h>
3036#ifdef IPV6_INRIA_VERSION
3037yes
3038#endif],
Martin v. Löwis44ddbde2001-12-02 10:15:37 +00003039 [ipv6type=$i])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003040 ;;
3041 kame)
3042 dnl http://www.kame.net/
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003043 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003044#include <netinet/in.h>
3045#ifdef __KAME__
3046yes
3047#endif],
3048 [ipv6type=$i;
3049 ipv6lib=inet6
3050 ipv6libdir=/usr/local/v6/lib
Martin v. Löwis44ddbde2001-12-02 10:15:37 +00003051 ipv6trylibc=yes])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003052 ;;
3053 linux-glibc)
3054 dnl http://www.v6.linux.or.jp/
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003055 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003056#include <features.h>
3057#if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2))
3058yes
3059#endif],
3060 [ipv6type=$i;
Martin v. Löwis44ddbde2001-12-02 10:15:37 +00003061 ipv6trylibc=yes])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003062 ;;
3063 linux-inet6)
3064 dnl http://www.v6.linux.or.jp/
3065 if test -d /usr/inet6; then
3066 ipv6type=$i
3067 ipv6lib=inet6
3068 ipv6libdir=/usr/inet6/lib
Skip Montanarodecc6a42003-01-01 20:07:49 +00003069 BASECFLAGS="-I/usr/inet6/include $BASECFLAGS"
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003070 fi
3071 ;;
3072 solaris)
3073 if test -f /etc/netconfig; then
Antoine Pitrouf3fcd9f2011-01-03 18:53:50 +00003074 if $GREP -q tcp6 /etc/netconfig; then
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003075 ipv6type=$i
3076 ipv6trylibc=yes
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003077 fi
3078 fi
3079 ;;
3080 toshiba)
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003081 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003082#include <sys/param.h>
3083#ifdef _TOSHIBA_INET6
3084yes
3085#endif],
3086 [ipv6type=$i;
3087 ipv6lib=inet6;
Martin v. Löwis44ddbde2001-12-02 10:15:37 +00003088 ipv6libdir=/usr/local/v6/lib])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003089 ;;
3090 v6d)
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003091 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003092#include </usr/local/v6/include/sys/v6config.h>
3093#ifdef __V6D__
3094yes
3095#endif],
3096 [ipv6type=$i;
3097 ipv6lib=v6;
3098 ipv6libdir=/usr/local/v6/lib;
Skip Montanarodecc6a42003-01-01 20:07:49 +00003099 BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003100 ;;
3101 zeta)
Martin v. Löwisa5f73f92001-10-15 08:06:29 +00003102 AC_EGREP_CPP(yes, [
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003103#include <sys/param.h>
3104#ifdef _ZETA_MINAMI_INET6
3105yes
3106#endif],
3107 [ipv6type=$i;
3108 ipv6lib=inet6;
Martin v. Löwis44ddbde2001-12-02 10:15:37 +00003109 ipv6libdir=/usr/local/v6/lib])
Martin v. Löwisa2ac6022001-08-09 11:40:14 +00003110 ;;
3111 esac
3112 if test "$ipv6type" != "unknown"; then
3113 break
3114 fi
3115 done
3116 AC_MSG_RESULT($ipv6type)
3117fi
3118
3119if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
3120 if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
3121 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
3122 echo "using lib$ipv6lib"
3123 else
3124 if test $ipv6trylibc = "yes"; then
3125 echo "using libc"
3126 else
3127 echo 'Fatal: no $ipv6lib library found. cannot continue.'
3128 echo "You need to fetch lib$ipv6lib.a from appropriate"
3129 echo 'ipv6 kit and compile beforehand.'
3130 exit 1
3131 fi
3132 fi
3133fi
3134
Larry Hastingsa6cc5512015-04-13 17:48:40 -04003135AC_MSG_CHECKING(for CAN_RAW_FD_FRAMES)
3136AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* CAN_RAW_FD_FRAMES available check */
3137#include <linux/can/raw.h>]],
3138[[int can_raw_fd_frames = CAN_RAW_FD_FRAMES;]])],[
3139 AC_DEFINE(HAVE_LINUX_CAN_RAW_FD_FRAMES, 1, [Define if compiling using Linux 3.6 or later.])
3140 AC_MSG_RESULT(yes)
3141],[
3142 AC_MSG_RESULT(no)
3143])
3144
Georg Brandl93de2162008-07-16 02:21:06 +00003145AC_MSG_CHECKING(for OSX 10.5 SDK or later)
Matthias Kloseb159a552010-04-25 21:00:44 +00003146AC_COMPILE_IFELSE([
3147 AC_LANG_PROGRAM([[#include <Carbon/Carbon.h>]], [[FSIORefNum fRef = 0]])
3148],[
Matthias Klosec80c93f2010-04-24 17:04:35 +00003149 AC_DEFINE(HAVE_OSX105_SDK, 1, [Define if compiling using MacOS X 10.5 SDK or later.])
Matthias Kloseb159a552010-04-25 21:00:44 +00003150 AC_MSG_RESULT(yes)
3151],[
Georg Brandl93de2162008-07-16 02:21:06 +00003152 AC_MSG_RESULT(no)
Matthias Kloseb159a552010-04-25 21:00:44 +00003153])
Georg Brandl93de2162008-07-16 02:21:06 +00003154
Martin v. Löwisa3fb4f72002-06-09 13:33:54 +00003155# Check for --with-doc-strings
3156AC_MSG_CHECKING(for --with-doc-strings)
3157AC_ARG_WITH(doc-strings,
Matthias Klose2b8733f2010-04-25 18:34:36 +00003158 AS_HELP_STRING([--with(out)-doc-strings], [disable/enable documentation strings]))
Martin v. Löwisa3fb4f72002-06-09 13:33:54 +00003159
3160if test -z "$with_doc_strings"
3161then with_doc_strings="yes"
3162fi
3163if test "$with_doc_strings" != "no"
3164then
3165 AC_DEFINE(WITH_DOC_STRINGS, 1,
3166 [Define if you want documentation strings in extension modules])
3167fi
3168AC_MSG_RESULT($with_doc_strings)
3169
Georg Brandl9976a512010-08-02 21:02:36 +00003170# Check if eval loop should use timestamp counter profiling
Martin v. Löwisf30d60e2004-06-08 08:17:44 +00003171AC_MSG_CHECKING(for --with-tsc)
3172AC_ARG_WITH(tsc,
Matthias Klose2b8733f2010-04-25 18:34:36 +00003173 AS_HELP_STRING([--with(out)-tsc],[enable/disable timestamp counter profile]),[
Martin v. Löwisf30d60e2004-06-08 08:17:44 +00003174if test "$withval" != no
Victor Stinner1b80b242016-04-12 22:34:58 +02003175then
3176 AC_DEFINE(WITH_TSC, 1,
3177 [Define to profile with the Pentium timestamp counter])
Martin v. Löwisf30d60e2004-06-08 08:17:44 +00003178 AC_MSG_RESULT(yes)
3179else AC_MSG_RESULT(no)
3180fi],
3181[AC_MSG_RESULT(no)])
3182
3183# Check for Python-specific malloc support
Neil Schemenauera35c6882001-02-27 04:45:05 +00003184AC_MSG_CHECKING(for --with-pymalloc)
3185AC_ARG_WITH(pymalloc,
Matthias Klose2b8733f2010-04-25 18:34:36 +00003186 AS_HELP_STRING([--with(out)-pymalloc], [disable/enable specialized mallocs]))
Neil Schemenauer16c22972002-03-22 15:34:49 +00003187
3188if test -z "$with_pymalloc"
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00003189then
3190 with_pymalloc="yes"
Neil Schemenauer16c22972002-03-22 15:34:49 +00003191fi
3192if test "$with_pymalloc" != "no"
3193then
Victor Stinner1b80b242016-04-12 22:34:58 +02003194 AC_DEFINE(WITH_PYMALLOC, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003195 [Define if you want to compile in Python-specific mallocs])
doko@ubuntu.com9c7817e2012-06-30 17:05:13 +02003196 ABIFLAGS="${ABIFLAGS}m"
Neil Schemenauer16c22972002-03-22 15:34:49 +00003197fi
3198AC_MSG_RESULT($with_pymalloc)
Neil Schemenauera35c6882001-02-27 04:45:05 +00003199
Benjamin Peterson05159c42009-12-03 03:01:27 +00003200# Check for Valgrind support
3201AC_MSG_CHECKING([for --with-valgrind])
3202AC_ARG_WITH([valgrind],
Matthias Klose2b8733f2010-04-25 18:34:36 +00003203 AS_HELP_STRING([--with-valgrind], [Enable Valgrind support]),,
Benjamin Peterson05159c42009-12-03 03:01:27 +00003204 with_valgrind=no)
3205AC_MSG_RESULT([$with_valgrind])
3206if test "$with_valgrind" != no; then
3207 AC_CHECK_HEADER([valgrind/valgrind.h],
3208 [AC_DEFINE([WITH_VALGRIND], 1, [Define if you want pymalloc to be disabled when running under valgrind])],
3209 [AC_MSG_ERROR([Valgrind support requested but headers not available])]
3210 )
Jeffrey Yasskin39370832010-05-03 19:29:34 +00003211 OPT="-DDYNAMIC_ANNOTATIONS_ENABLED=1 $OPT"
Benjamin Peterson05159c42009-12-03 03:01:27 +00003212fi
3213
Guido van Rossum68242b51996-05-28 22:53:03 +00003214# -I${DLINCLDIR} is added to the compile rule for importdl.o
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003215AC_SUBST(DLINCLDIR)
Guido van Rossum98935bf2001-09-05 19:13:16 +00003216DLINCLDIR=.
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003217
Guido van Rossume97ee181999-12-20 21:27:22 +00003218# the dlopen() function means we might want to use dynload_shlib.o. some
3219# platforms, such as AIX, have dlopen(), but don't want to use it.
Thomas Wouters3a584202000-08-05 23:28:51 +00003220AC_CHECK_FUNCS(dlopen)
Guido van Rossume97ee181999-12-20 21:27:22 +00003221
3222# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
3223# loading of modules.
3224AC_SUBST(DYNLOADFILE)
3225AC_MSG_CHECKING(DYNLOADFILE)
3226if test -z "$DYNLOADFILE"
3227then
3228 case $ac_sys_system/$ac_sys_release in
Martin v. Löwisc19c5a62003-11-18 20:00:44 +00003229 AIX*) # Use dynload_shlib.c and dlopen() if we have it; otherwise dynload_aix.c
3230 if test "$ac_cv_func_dlopen" = yes
3231 then DYNLOADFILE="dynload_shlib.o"
3232 else DYNLOADFILE="dynload_aix.o"
3233 fi
3234 ;;
Guido van Rossume97ee181999-12-20 21:27:22 +00003235 hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00003236 # Use dynload_next.c only on 10.2 and below, which don't have native dlopen()
3237 Darwin/@<:@0156@:>@\..*) DYNLOADFILE="dynload_next.o";;
Guido van Rossume97ee181999-12-20 21:27:22 +00003238 *)
3239 # use dynload_shlib.c and dlopen() if we have it; otherwise stub
3240 # out any dynamic loading
3241 if test "$ac_cv_func_dlopen" = yes
3242 then DYNLOADFILE="dynload_shlib.o"
3243 else DYNLOADFILE="dynload_stub.o"
3244 fi
3245 ;;
3246 esac
3247fi
3248AC_MSG_RESULT($DYNLOADFILE)
3249if test "$DYNLOADFILE" != "dynload_stub.o"
3250then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003251 AC_DEFINE(HAVE_DYNAMIC_LOADING, 1,
3252 [Defined when any dynamic module loading is enabled.])
Guido van Rossume97ee181999-12-20 21:27:22 +00003253fi
3254
Jack Jansenc49e5b72001-06-19 15:00:23 +00003255# MACHDEP_OBJS can be set to platform-specific object files needed by Python
3256
3257AC_SUBST(MACHDEP_OBJS)
3258AC_MSG_CHECKING(MACHDEP_OBJS)
3259if test -z "$MACHDEP_OBJS"
3260then
Jack Jansenb6e9cad2001-08-15 01:26:28 +00003261 MACHDEP_OBJS=$extra_machdep_objs
3262else
3263 MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs"
Jack Jansenc49e5b72001-06-19 15:00:23 +00003264fi
doko@ubuntu.com9c7817e2012-06-30 17:05:13 +02003265if test -z "$MACHDEP_OBJS"; then
3266 AC_MSG_RESULT([none])
3267else
3268 AC_MSG_RESULT([$MACHDEP_OBJS])
3269fi
Jack Jansenc49e5b72001-06-19 15:00:23 +00003270
Guido van Rossum627b2d71993-12-24 10:39:16 +00003271# checks for library functions
Antoine Pitroub1c54962010-10-14 15:05:38 +00003272AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
Victor Stinnerdaf45552013-08-28 00:53:59 +02003273 clock confstr ctermid dup3 execv faccessat fchmod fchmodat fchown fchownat \
Ross Lagerwall7807c352011-03-17 20:20:30 +02003274 fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \
Victor Stinner4d6a3d62014-12-21 01:16:38 +01003275 futimens futimes gai_strerror getentropy \
Ross Lagerwallb0ae53d2011-06-10 07:30:30 +02003276 getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \
Martin v. Löwis7aed61a2009-11-27 14:09:49 +00003277 getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \
Gregory P. Smith5ed2e772011-05-15 00:26:45 -07003278 if_nameindex \
Antoine Pitrouf0effe62011-11-26 01:11:02 +01003279 initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mmap \
3280 memrchr mbrtowc mkdirat mkfifo \
Charles-François Natalidaafdd52011-05-29 20:07:40 +02003281 mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
Ross Lagerwall7807c352011-03-17 20:20:30 +02003282 posix_fallocate posix_fadvise pread \
Victor Stinnerb3e72192011-05-08 01:46:11 +02003283 pthread_init pthread_kill putenv pwrite readlink readlinkat readv realpath renameat \
Giampaolo Rodolàc9c2c8b2011-02-25 14:39:16 +00003284 select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
Antoine Pitrou061cfb52011-02-28 22:25:22 +00003285 setgid sethostname \
Giampaolo Rodolà18e8bcb2011-02-25 20:57:54 +00003286 setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
Charles-François Nataliea0d5fc2011-09-06 19:03:35 +02003287 sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
3288 sched_rr_get_interval \
Ross Lagerwallbc808222011-06-25 12:13:40 +02003289 sigaction sigaltstack siginterrupt sigpending sigrelse \
3290 sigtimedwait sigwait sigwaitinfo snprintf strftime strlcpy symlinkat sync \
Michael W. Hudson34f20ea2002-05-27 15:08:24 +00003291 sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
Ross Lagerwall7807c352011-03-17 20:20:30 +02003292 truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \
Victor Stinnercd777ea2013-04-08 22:43:44 +02003293 wcscoll wcsftime wcsxfrm wmemcmp writev _getpty)
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00003294
Gregory P. Smithdf300d52012-01-21 18:20:15 -08003295AC_CHECK_DECL(dirfd,
3296 AC_DEFINE(HAVE_DIRFD, 1,
3297 Define if you have the 'dirfd' function or macro.), ,
3298 [#include <sys/types.h>
3299 #include <dirent.h>])
3300
Martin v. Löwisc8ad7cc2002-11-11 13:23:45 +00003301# For some functions, having a definition is not sufficient, since
3302# we want to take their address.
3303AC_MSG_CHECKING(for chroot)
Matthias Kloseb159a552010-04-25 21:00:44 +00003304AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=chroot]])],
3305 [AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.)
3306 AC_MSG_RESULT(yes)],
3307 [AC_MSG_RESULT(no)
3308])
Martin v. Löwisc8ad7cc2002-11-11 13:23:45 +00003309AC_MSG_CHECKING(for link)
Matthias Kloseb159a552010-04-25 21:00:44 +00003310AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=link]])],
3311 [AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.)
3312 AC_MSG_RESULT(yes)],
3313 [AC_MSG_RESULT(no)
3314])
Martin v. Löwisc8ad7cc2002-11-11 13:23:45 +00003315AC_MSG_CHECKING(for symlink)
Matthias Kloseb159a552010-04-25 21:00:44 +00003316AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=symlink]])],
3317 [AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.)
3318 AC_MSG_RESULT(yes)],
3319 [AC_MSG_RESULT(no)
3320])
Martin v. Löwisa64988c2003-09-20 15:30:20 +00003321AC_MSG_CHECKING(for fchdir)
Matthias Kloseb159a552010-04-25 21:00:44 +00003322AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fchdir]])],
3323 [AC_DEFINE(HAVE_FCHDIR, 1, Define if you have the 'fchdir' function.)
3324 AC_MSG_RESULT(yes)],
3325 [AC_MSG_RESULT(no)
3326])
Martin v. Löwisa64988c2003-09-20 15:30:20 +00003327AC_MSG_CHECKING(for fsync)
Matthias Kloseb159a552010-04-25 21:00:44 +00003328AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fsync]])],
3329 [AC_DEFINE(HAVE_FSYNC, 1, Define if you have the 'fsync' function.)
3330 AC_MSG_RESULT(yes)],
3331 [AC_MSG_RESULT(no)
3332])
Martin v. Löwisa64988c2003-09-20 15:30:20 +00003333AC_MSG_CHECKING(for fdatasync)
Matthias Kloseb159a552010-04-25 21:00:44 +00003334AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fdatasync]])],
3335 [AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.)
3336 AC_MSG_RESULT(yes)],
3337 [AC_MSG_RESULT(no)
3338])
Christian Heimes4fbc72b2008-03-22 00:47:35 +00003339AC_MSG_CHECKING(for epoll)
Matthias Kloseb159a552010-04-25 21:00:44 +00003340AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create]])],
3341 [AC_DEFINE(HAVE_EPOLL, 1, Define if you have the 'epoll' functions.)
3342 AC_MSG_RESULT(yes)],
3343 [AC_MSG_RESULT(no)
3344])
Benjamin Peterson95c16622011-12-27 15:36:32 -06003345AC_MSG_CHECKING(for epoll_create1)
3346AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create1]])],
3347 [AC_DEFINE(HAVE_EPOLL_CREATE1, 1, Define if you have the 'epoll_create1' function.)
3348 AC_MSG_RESULT(yes)],
3349 [AC_MSG_RESULT(no)
3350])
Christian Heimes4fbc72b2008-03-22 00:47:35 +00003351AC_MSG_CHECKING(for kqueue)
Matthias Kloseb159a552010-04-25 21:00:44 +00003352AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Christian Heimes4fbc72b2008-03-22 00:47:35 +00003353#include <sys/types.h>
3354#include <sys/event.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003355 ]], [[int x=kqueue()]])],
3356 [AC_DEFINE(HAVE_KQUEUE, 1, Define if you have the 'kqueue' functions.)
3357 AC_MSG_RESULT(yes)],
3358 [AC_MSG_RESULT(no)
3359])
Christian Heimesb7bd5df2013-10-22 11:21:54 +02003360AC_MSG_CHECKING(for prlimit)
3361AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3362#include <sys/time.h>
3363#include <sys/resource.h>
3364 ]], [[void *x=prlimit]])],
3365 [AC_DEFINE(HAVE_PRLIMIT, 1, Define if you have the 'prlimit' functions.)
3366 AC_MSG_RESULT(yes)],
3367 [AC_MSG_RESULT(no)
3368])
3369
Martin v. Löwisd5843682002-11-21 20:41:28 +00003370# On some systems (eg. FreeBSD 5), we would find a definition of the
3371# functions ctermid_r, setgroups in the library, but no prototype
3372# (e.g. because we use _XOPEN_SOURCE). See whether we can take their
3373# address to avoid compiler warnings and potential miscompilations
3374# because of the missing prototypes.
3375
3376AC_MSG_CHECKING(for ctermid_r)
Matthias Kloseb159a552010-04-25 21:00:44 +00003377AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisd5843682002-11-21 20:41:28 +00003378#include <stdio.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003379]], [[void* p = ctermid_r]])],
3380 [AC_DEFINE(HAVE_CTERMID_R, 1, Define if you have the 'ctermid_r' function.)
3381 AC_MSG_RESULT(yes)],
3382 [AC_MSG_RESULT(no)
3383])
Martin v. Löwisd5843682002-11-21 20:41:28 +00003384
Antoine Pitroua4e4ae22010-09-10 18:39:00 +00003385AC_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl],
3386 [AC_COMPILE_IFELSE(
3387 [AC_LANG_PROGRAM(
3388 [#include <sys/file.h>],
3389 [void* p = flock]
3390 )],
3391 [ac_cv_flock_decl=yes],
3392 [ac_cv_flock_decl=no]
3393 )
Matthias Kloseb159a552010-04-25 21:00:44 +00003394])
Antoine Pitroua4e4ae22010-09-10 18:39:00 +00003395if test "x${ac_cv_flock_decl}" = xyes; then
3396 AC_CHECK_FUNCS(flock,,
3397 AC_CHECK_LIB(bsd,flock,
3398 [AC_DEFINE(HAVE_FLOCK)
3399 AC_DEFINE(FLOCK_NEEDS_LIBBSD, 1, Define if flock needs to be linked with bsd library.)
3400 ])
3401 )
Antoine Pitroua3000072010-09-07 14:52:42 +00003402fi
Martin v. Löwisf26d63b2003-03-30 17:23:49 +00003403
3404AC_MSG_CHECKING(for getpagesize)
Matthias Kloseb159a552010-04-25 21:00:44 +00003405AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisf26d63b2003-03-30 17:23:49 +00003406#include <unistd.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003407]], [[void* p = getpagesize]])],
3408 [AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.)
3409 AC_MSG_RESULT(yes)],
3410 [AC_MSG_RESULT(no)
3411])
Martin v. Löwisf26d63b2003-03-30 17:23:49 +00003412
Victor Stinner984890f2011-11-24 13:53:38 +01003413AC_MSG_CHECKING(for broken unsetenv)
3414AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3415#include <stdlib.h>
3416]], [[int res = unsetenv("DUMMY")]])],
3417 [AC_MSG_RESULT(no)],
3418 [AC_DEFINE(HAVE_BROKEN_UNSETENV, 1, Define if `unsetenv` does not return an int.)
3419 AC_MSG_RESULT(yes)
3420])
3421
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00003422dnl check for true
3423AC_CHECK_PROGS(TRUE, true, /bin/true)
3424
Martin v. Löwis95c419b2003-05-03 12:10:48 +00003425dnl On some systems (e.g. Solaris 9), hstrerror and inet_aton are in -lresolv
3426dnl On others, they are in the C library, so we to take no action
Martin v. Löwis4ee6eef2003-05-26 05:37:51 +00003427AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE],
Martin v. Löwis95c419b2003-05-03 12:10:48 +00003428 AC_CHECK_LIB(resolv, inet_aton)
3429)
3430
Christian Heimesd0764e22007-12-04 15:00:33 +00003431# On Tru64, chflags seems to be present, but calling it will
3432# exit Python
Benjamin Petersoned68afa2010-01-30 19:36:43 +00003433AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl
Ned Deily3eb67d52011-06-28 00:00:28 -07003434AC_RUN_IFELSE([AC_LANG_SOURCE([[
Christian Heimesd0764e22007-12-04 15:00:33 +00003435#include <sys/stat.h>
3436#include <unistd.h>
3437int main(int argc, char*argv[])
3438{
3439 if(chflags(argv[0], 0) != 0)
3440 return 1;
3441 return 0;
3442}
Ned Deily3eb67d52011-06-28 00:00:28 -07003443]])],
Matthias Kloseb159a552010-04-25 21:00:44 +00003444[ac_cv_have_chflags=yes],
3445[ac_cv_have_chflags=no],
3446[ac_cv_have_chflags=cross])
Benjamin Petersoned68afa2010-01-30 19:36:43 +00003447])
3448if test "$ac_cv_have_chflags" = cross ; then
3449 AC_CHECK_FUNC([chflags], [ac_cv_have_chflags="yes"], [ac_cv_have_chflags="no"])
3450fi
3451if test "$ac_cv_have_chflags" = yes ; then
Ned Deily3eb67d52011-06-28 00:00:28 -07003452 AC_DEFINE(HAVE_CHFLAGS, 1, [Define to 1 if you have the 'chflags' function.])
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003453fi
Christian Heimesd0764e22007-12-04 15:00:33 +00003454
Benjamin Petersoned68afa2010-01-30 19:36:43 +00003455AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl
Ned Deily3eb67d52011-06-28 00:00:28 -07003456AC_RUN_IFELSE([AC_LANG_SOURCE([[
Christian Heimesd0764e22007-12-04 15:00:33 +00003457#include <sys/stat.h>
3458#include <unistd.h>
3459int main(int argc, char*argv[])
3460{
3461 if(lchflags(argv[0], 0) != 0)
3462 return 1;
3463 return 0;
3464}
Ned Deily3eb67d52011-06-28 00:00:28 -07003465]])],[ac_cv_have_lchflags=yes],[ac_cv_have_lchflags=no],[ac_cv_have_lchflags=cross])
Benjamin Petersoned68afa2010-01-30 19:36:43 +00003466])
3467if test "$ac_cv_have_lchflags" = cross ; then
3468 AC_CHECK_FUNC([lchflags], [ac_cv_have_lchflags="yes"], [ac_cv_have_lchflags="no"])
3469fi
3470if test "$ac_cv_have_lchflags" = yes ; then
Ned Deily3eb67d52011-06-28 00:00:28 -07003471 AC_DEFINE(HAVE_LCHFLAGS, 1, [Define to 1 if you have the 'lchflags' function.])
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003472fi
Christian Heimesd0764e22007-12-04 15:00:33 +00003473
Thomas Wouters0e3f5912006-08-11 14:57:12 +00003474dnl Check if system zlib has *Copy() functions
3475dnl
3476dnl On MacOSX the linker will search for dylibs on the entire linker path
3477dnl before searching for static libraries. setup.py adds -Wl,-search_paths_first
3478dnl to revert to a more traditional unix behaviour and make it possible to
3479dnl override the system libz with a local static library of libz. Temporarily
3480dnl add that flag to our CFLAGS as well to ensure that we check the version
Victor Stinner1b80b242016-04-12 22:34:58 +02003481dnl of libz that will be used by setup.py.
3482dnl The -L/usr/local/lib is needed as wel to get the same compilation
Thomas Wouters0e3f5912006-08-11 14:57:12 +00003483dnl environment as setup.py (and leaving it out can cause configure to use the
3484dnl wrong version of the library)
3485case $ac_sys_system/$ac_sys_release in
Victor Stinner1b80b242016-04-12 22:34:58 +02003486Darwin/*)
Thomas Wouters0e3f5912006-08-11 14:57:12 +00003487 _CUR_CFLAGS="${CFLAGS}"
3488 _CUR_LDFLAGS="${LDFLAGS}"
3489 CFLAGS="${CFLAGS} -Wl,-search_paths_first"
3490 LDFLAGS="${LDFLAGS} -Wl,-search_paths_first -L/usr/local/lib"
3491 ;;
3492esac
3493
Matthias Klosec80c93f2010-04-24 17:04:35 +00003494AC_CHECK_LIB(z, inflateCopy, AC_DEFINE(HAVE_ZLIB_COPY, 1, [Define if the zlib library has inflateCopy]))
Thomas Wouters0e3f5912006-08-11 14:57:12 +00003495
3496case $ac_sys_system/$ac_sys_release in
Victor Stinner1b80b242016-04-12 22:34:58 +02003497Darwin/*)
Thomas Wouters0e3f5912006-08-11 14:57:12 +00003498 CFLAGS="${_CUR_CFLAGS}"
3499 LDFLAGS="${_CUR_LDFLAGS}"
3500 ;;
3501esac
3502
Martin v. Löwise9416172003-05-03 10:12:45 +00003503AC_MSG_CHECKING(for hstrerror)
Matthias Kloseb159a552010-04-25 21:00:44 +00003504AC_LINK_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwise9416172003-05-03 10:12:45 +00003505#include <netdb.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003506]], [[void* p = hstrerror; hstrerror(0)]])],
3507 [AC_DEFINE(HAVE_HSTRERROR, 1, Define if you have the 'hstrerror' function.)
3508 AC_MSG_RESULT(yes)],
3509 [AC_MSG_RESULT(no)
3510])
Martin v. Löwise9416172003-05-03 10:12:45 +00003511
3512AC_MSG_CHECKING(for inet_aton)
Matthias Kloseb159a552010-04-25 21:00:44 +00003513AC_LINK_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwis86d66262006-02-17 08:40:11 +00003514#include <sys/types.h>
Martin v. Löwise9416172003-05-03 10:12:45 +00003515#include <sys/socket.h>
3516#include <netinet/in.h>
3517#include <arpa/inet.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003518]], [[void* p = inet_aton;inet_aton(0,0)]])],
3519 [AC_DEFINE(HAVE_INET_ATON, 1, Define if you have the 'inet_aton' function.)
3520 AC_MSG_RESULT(yes)],
3521 [AC_MSG_RESULT(no)
3522])
Martin v. Löwise9416172003-05-03 10:12:45 +00003523
3524AC_MSG_CHECKING(for inet_pton)
Matthias Kloseb159a552010-04-25 21:00:44 +00003525AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisf2e488d2003-05-05 22:00:11 +00003526#include <sys/types.h>
Martin v. Löwise9416172003-05-03 10:12:45 +00003527#include <sys/socket.h>
3528#include <netinet/in.h>
3529#include <arpa/inet.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003530]], [[void* p = inet_pton]])],
3531 [AC_DEFINE(HAVE_INET_PTON, 1, Define if you have the 'inet_pton' function.)
3532 AC_MSG_RESULT(yes)],
3533 [AC_MSG_RESULT(no)
3534])
Martin v. Löwise9416172003-05-03 10:12:45 +00003535
Martin v. Löwisd6640d42003-07-06 09:29:52 +00003536# On some systems, setgroups is in unistd.h, on others, in grp.h
Martin v. Löwisd5843682002-11-21 20:41:28 +00003537AC_MSG_CHECKING(for setgroups)
Matthias Kloseb159a552010-04-25 21:00:44 +00003538AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisf2e488d2003-05-05 22:00:11 +00003539#include <unistd.h>
Martin v. Löwisd6640d42003-07-06 09:29:52 +00003540#ifdef HAVE_GRP_H
3541#include <grp.h>
3542#endif
Matthias Kloseb159a552010-04-25 21:00:44 +00003543]], [[void* p = setgroups]])],
3544 [AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.)
3545 AC_MSG_RESULT(yes)],
3546 [AC_MSG_RESULT(no)
3547])
Martin v. Löwisd5843682002-11-21 20:41:28 +00003548
Fred Drake8cef4cf2000-06-28 16:40:38 +00003549# check for openpty and forkpty
3550
Victor Stinner1b80b242016-04-12 22:34:58 +02003551AC_CHECK_FUNCS(openpty,,
Martin v. Löwisfd9a72a2006-01-08 10:07:33 +00003552 AC_CHECK_LIB(util,openpty,
3553 [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"],
3554 AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"])
3555 )
3556)
Victor Stinner1b80b242016-04-12 22:34:58 +02003557AC_CHECK_FUNCS(forkpty,,
3558 AC_CHECK_LIB(util,forkpty,
Martin v. Löwisfd9a72a2006-01-08 10:07:33 +00003559 [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"],
3560 AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"])
3561 )
3562)
Fred Drake8cef4cf2000-06-28 16:40:38 +00003563
Christian Heimesb186d002008-03-18 15:15:01 +00003564# Stuff for expat.
3565AC_CHECK_FUNCS(memmove)
3566
Guido van Rossum00f0f6e1999-01-06 18:52:29 +00003567# check for long file support functions
3568AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
3569
Benjamin Peterson3a7dffa2013-08-23 21:01:48 -05003570AC_REPLACE_FUNCS(dup2 strdup)
Victor Stinner1b80b242016-04-12 22:34:58 +02003571AC_CHECK_FUNCS(getpgrp,
Matthias Kloseb159a552010-04-25 21:00:44 +00003572 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[getpgrp(0);]])],
3573 [AC_DEFINE(GETPGRP_HAVE_ARG, 1, [Define if getpgrp() must be called as getpgrp(0).])],
3574 [])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003575)
Jack Jansen150753c2003-03-29 22:07:47 +00003576AC_CHECK_FUNCS(setpgrp,
Matthias Kloseb159a552010-04-25 21:00:44 +00003577 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[setpgrp(0,0);]])],
3578 [AC_DEFINE(SETPGRP_HAVE_ARG, 1, [Define if setpgrp() must be called as setpgrp(0, 0).])],
3579 [])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003580)
Victor Stinner1b80b242016-04-12 22:34:58 +02003581AC_CHECK_FUNCS(gettimeofday,
Matthias Kloseb159a552010-04-25 21:00:44 +00003582 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>]],
3583 [[gettimeofday((struct timeval*)0,(struct timezone*)0);]])],
3584 [],
3585 [AC_DEFINE(GETTIMEOFDAY_NO_TZ, 1,
3586 [Define if gettimeofday() does not have second (timezone) argument
3587 This is the case on Motorola V4 (R40V4.2)])
3588 ])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003589)
Guido van Rossum627b2d71993-12-24 10:39:16 +00003590
Victor Stinnere0be4232011-10-25 13:06:09 +02003591AC_CHECK_FUNCS(clock_gettime, [], [
3592 AC_CHECK_LIB(rt, clock_gettime, [
Victor Stinner7efb8332014-08-29 15:41:08 +02003593 LIBS="$LIBS -lrt"
Victor Stinnere0be4232011-10-25 13:06:09 +02003594 AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
3595 AC_DEFINE(TIMEMODULE_LIB, [rt],
3596 [Library needed by timemodule.c: librt may be needed for clock_gettime()])
3597 ])
3598])
3599
3600AC_CHECK_FUNCS(clock_getres, [], [
3601 AC_CHECK_LIB(rt, clock_getres, [
3602 AC_DEFINE(HAVE_CLOCK_GETRES, 1)
3603 ])
3604])
3605
Martin v. Löwisdbe3f762002-10-10 14:27:30 +00003606AC_MSG_CHECKING(for major, minor, and makedev)
Matthias Kloseb159a552010-04-25 21:00:44 +00003607AC_LINK_IFELSE([AC_LANG_PROGRAM([[
Neal Norwitz6eb37f02003-02-23 23:28:15 +00003608#if defined(MAJOR_IN_MKDEV)
3609#include <sys/mkdev.h>
3610#elif defined(MAJOR_IN_SYSMACROS)
3611#include <sys/sysmacros.h>
3612#else
3613#include <sys/types.h>
3614#endif
Matthias Kloseb159a552010-04-25 21:00:44 +00003615]], [[
Martin v. Löwisdbe3f762002-10-10 14:27:30 +00003616 makedev(major(0),minor(0));
Matthias Kloseb159a552010-04-25 21:00:44 +00003617]])],[
Martin v. Löwisdbe3f762002-10-10 14:27:30 +00003618 AC_DEFINE(HAVE_DEVICE_MACROS, 1,
3619 [Define to 1 if you have the device macros.])
3620 AC_MSG_RESULT(yes)
3621],[
3622 AC_MSG_RESULT(no)
3623])
Martin v. Löwis861a65b2001-10-24 14:36:00 +00003624
3625# On OSF/1 V5.1, getaddrinfo is available, but a define
Victor Stinner1b80b242016-04-12 22:34:58 +02003626# for [no]getaddrinfo in netdb.h.
Martin v. Löwis861a65b2001-10-24 14:36:00 +00003627AC_MSG_CHECKING(for getaddrinfo)
Matthias Kloseb159a552010-04-25 21:00:44 +00003628AC_LINK_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisc010b6d2001-11-09 17:50:52 +00003629#include <sys/types.h>
Martin v. Löwis861a65b2001-10-24 14:36:00 +00003630#include <sys/socket.h>
3631#include <netdb.h>
Martin v. Löwisc010b6d2001-11-09 17:50:52 +00003632#include <stdio.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003633]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],
3634[have_getaddrinfo=yes],
3635[have_getaddrinfo=no])
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003636AC_MSG_RESULT($have_getaddrinfo)
3637if test $have_getaddrinfo = yes
3638then
3639 AC_MSG_CHECKING(getaddrinfo bug)
3640 AC_CACHE_VAL(ac_cv_buggy_getaddrinfo,
Matthias Kloseb159a552010-04-25 21:00:44 +00003641 AC_RUN_IFELSE([AC_LANG_SOURCE([[[
Stefan Krah19c21392012-11-22 23:47:32 +01003642#include <stdio.h>
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003643#include <sys/types.h>
3644#include <netdb.h>
3645#include <string.h>
3646#include <sys/socket.h>
3647#include <netinet/in.h>
3648
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003649int main()
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003650{
3651 int passive, gaierr, inet4 = 0, inet6 = 0;
3652 struct addrinfo hints, *ai, *aitop;
3653 char straddr[INET6_ADDRSTRLEN], strport[16];
3654
3655 for (passive = 0; passive <= 1; passive++) {
3656 memset(&hints, 0, sizeof(hints));
3657 hints.ai_family = AF_UNSPEC;
3658 hints.ai_flags = passive ? AI_PASSIVE : 0;
3659 hints.ai_socktype = SOCK_STREAM;
Hye-Shik Chang54f94392004-04-14 07:55:31 +00003660 hints.ai_protocol = IPPROTO_TCP;
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003661 if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
3662 (void)gai_strerror(gaierr);
3663 goto bad;
3664 }
3665 for (ai = aitop; ai; ai = ai->ai_next) {
3666 if (ai->ai_addr == NULL ||
3667 ai->ai_addrlen == 0 ||
3668 getnameinfo(ai->ai_addr, ai->ai_addrlen,
3669 straddr, sizeof(straddr), strport, sizeof(strport),
3670 NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
3671 goto bad;
3672 }
3673 switch (ai->ai_family) {
3674 case AF_INET:
3675 if (strcmp(strport, "54321") != 0) {
3676 goto bad;
3677 }
3678 if (passive) {
3679 if (strcmp(straddr, "0.0.0.0") != 0) {
3680 goto bad;
3681 }
3682 } else {
3683 if (strcmp(straddr, "127.0.0.1") != 0) {
3684 goto bad;
3685 }
3686 }
3687 inet4++;
3688 break;
3689 case AF_INET6:
3690 if (strcmp(strport, "54321") != 0) {
3691 goto bad;
3692 }
3693 if (passive) {
3694 if (strcmp(straddr, "::") != 0) {
3695 goto bad;
3696 }
3697 } else {
3698 if (strcmp(straddr, "::1") != 0) {
3699 goto bad;
3700 }
3701 }
3702 inet6++;
3703 break;
3704 case AF_UNSPEC:
3705 goto bad;
3706 break;
3707 default:
3708 /* another family support? */
3709 break;
3710 }
3711 }
3712 }
3713
3714 if (!(inet4 == 0 || inet4 == 2))
3715 goto bad;
3716 if (!(inet6 == 0 || inet6 == 2))
3717 goto bad;
3718
3719 if (aitop)
3720 freeaddrinfo(aitop);
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003721 return 0;
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003722
3723 bad:
3724 if (aitop)
3725 freeaddrinfo(aitop);
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003726 return 1;
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003727}
Matthias Kloseb159a552010-04-25 21:00:44 +00003728]]])],
3729[ac_cv_buggy_getaddrinfo=no],
3730[ac_cv_buggy_getaddrinfo=yes],
Matthias Klose96350132012-03-15 20:42:23 +01003731[
3732if test "${enable_ipv6+set}" = set; then
3733 ac_cv_buggy_getaddrinfo="no -- configured with --(en|dis)able-ipv6"
3734else
3735 ac_cv_buggy_getaddrinfo=yes
3736fi]))
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003737fi
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003738
Benjamin Petersond4694ed2010-11-01 01:44:30 +00003739AC_MSG_RESULT($ac_cv_buggy_getaddrinfo)
3740
doko@ubuntu.com9c7817e2012-06-30 17:05:13 +02003741if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00003742then
3743 if test $ipv6 = yes
3744 then
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003745 echo 'Fatal: You must get working getaddrinfo() function.'
3746 echo ' or you can specify "--disable-ipv6"'.
3747 exit 1
3748 fi
Martin v. Löwis861a65b2001-10-24 14:36:00 +00003749else
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003750 AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.])
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003751fi
Benjamin Petersond4694ed2010-11-01 01:44:30 +00003752
Thomas Woutersb0db85a2001-08-08 10:39:03 +00003753AC_CHECK_FUNCS(getnameinfo)
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003754
Guido van Rossum627b2d71993-12-24 10:39:16 +00003755# checks for structures
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003756AC_HEADER_TIME
Guido van Rossum627b2d71993-12-24 10:39:16 +00003757AC_STRUCT_TM
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003758AC_STRUCT_TIMEZONE
Martin v. Löwis60a5d722002-10-16 20:28:25 +00003759AC_CHECK_MEMBERS([struct stat.st_rdev])
3760AC_CHECK_MEMBERS([struct stat.st_blksize])
Hye-Shik Chang5f937a72005-06-02 13:09:30 +00003761AC_CHECK_MEMBERS([struct stat.st_flags])
Martin v. Löwisebd9d5b2005-08-09 15:00:59 +00003762AC_CHECK_MEMBERS([struct stat.st_gen])
3763AC_CHECK_MEMBERS([struct stat.st_birthtime])
Martin Panterd887d1f2016-03-18 02:36:41 +00003764AC_CHECK_MEMBERS([struct stat.st_blocks])
Stefan Krah267b6392016-04-26 01:09:18 +02003765AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_passwd], [], [], [[
3766 #include <sys/types.h>
3767 #include <pwd.h>
3768]])
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003769
3770AC_MSG_CHECKING(for time.h that defines altzone)
Matthias Kloseb159a552010-04-25 21:00:44 +00003771AC_CACHE_VAL(ac_cv_header_time_altzone,[
3772 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[return altzone;]])],
3773 [ac_cv_header_time_altzone=yes],
3774 [ac_cv_header_time_altzone=no])
3775 ])
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003776AC_MSG_RESULT($ac_cv_header_time_altzone)
3777if test $ac_cv_header_time_altzone = yes; then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003778 AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.])
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003779fi
3780
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003781was_it_defined=no
3782AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
Matthias Kloseb159a552010-04-25 21:00:44 +00003783AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003784#include <sys/types.h>
3785#include <sys/select.h>
3786#include <sys/time.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003787]], [[;]])],[
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003788 AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1,
3789 [Define if you can safely include both <sys/select.h> and <sys/time.h>
Victor Stinner1b80b242016-04-12 22:34:58 +02003790 (which you can't on SCO ODT 3.0).])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003791 was_it_defined=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00003792],[])
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003793AC_MSG_RESULT($was_it_defined)
Guido van Rossum627b2d71993-12-24 10:39:16 +00003794
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003795AC_MSG_CHECKING(for addrinfo)
3796AC_CACHE_VAL(ac_cv_struct_addrinfo,
Matthias Kloseb159a552010-04-25 21:00:44 +00003797AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[struct addrinfo a]])],
3798 [ac_cv_struct_addrinfo=yes],
3799 [ac_cv_struct_addrinfo=no]))
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003800AC_MSG_RESULT($ac_cv_struct_addrinfo)
3801if test $ac_cv_struct_addrinfo = yes; then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003802 AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)])
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003803fi
3804
3805AC_MSG_CHECKING(for sockaddr_storage)
3806AC_CACHE_VAL(ac_cv_struct_sockaddr_storage,
Matthias Kloseb159a552010-04-25 21:00:44 +00003807AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003808# include <sys/types.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003809# include <sys/socket.h>]], [[struct sockaddr_storage s]])],
3810 [ac_cv_struct_sockaddr_storage=yes],
3811 [ac_cv_struct_sockaddr_storage=no]))
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003812AC_MSG_RESULT($ac_cv_struct_sockaddr_storage)
3813if test $ac_cv_struct_sockaddr_storage = yes; then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003814 AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)])
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003815fi
3816
Guido van Rossum627b2d71993-12-24 10:39:16 +00003817# checks for compiler characteristics
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003818
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003819AC_C_CHAR_UNSIGNED
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003820AC_C_CONST
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003821
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003822works=no
3823AC_MSG_CHECKING(for working volatile)
Matthias Kloseb159a552010-04-25 21:00:44 +00003824AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[volatile int x; x = 0;]])],
3825 [works=yes],
3826 [AC_DEFINE(volatile, , [Define to empty if the keyword does not work.])]
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003827)
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003828AC_MSG_RESULT($works)
Guido van Rossumdabb11b1994-10-11 15:04:27 +00003829
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003830works=no
3831AC_MSG_CHECKING(for working signed char)
Matthias Kloseb159a552010-04-25 21:00:44 +00003832AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char c;]])],
3833 [works=yes],
3834 [AC_DEFINE(signed, , [Define to empty if the keyword does not work.])]
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003835)
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003836AC_MSG_RESULT($works)
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003837
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003838have_prototypes=no
3839AC_MSG_CHECKING(for prototypes)
Matthias Kloseb159a552010-04-25 21:00:44 +00003840AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int foo(int x) { return 0; }]], [[return foo(10);]])],
Victor Stinner1b80b242016-04-12 22:34:58 +02003841 [AC_DEFINE(HAVE_PROTOTYPES, 1,
3842 [Define if your compiler supports function prototype])
Matthias Kloseb159a552010-04-25 21:00:44 +00003843 have_prototypes=yes],
3844 []
3845)
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003846AC_MSG_RESULT($have_prototypes)
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003847
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003848works=no
3849AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
Matthias Kloseb159a552010-04-25 21:00:44 +00003850AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Guido van Rossum433c8ad1994-08-01 12:07:07 +00003851#include <stdarg.h>
Guido van Rossum3f13e481996-08-30 20:58:11 +00003852int foo(int x, ...) {
3853 va_list va;
3854 va_start(va, x);
3855 va_arg(va, int);
3856 va_arg(va, char *);
3857 va_arg(va, double);
3858 return 0;
3859}
Matthias Kloseb159a552010-04-25 21:00:44 +00003860]], [[return foo(10, "", 3.14);]])],[
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003861 AC_DEFINE(HAVE_STDARG_PROTOTYPES, 1,
3862 [Define if your compiler supports variable length function prototypes
Victor Stinner1b80b242016-04-12 22:34:58 +02003863 (e.g. void fprintf(FILE *, char *, ...);) *and* <stdarg.h>])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003864 works=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00003865],[])
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003866AC_MSG_RESULT($works)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003867
Dave Cole331708b2004-08-09 04:51:41 +00003868# check for socketpair
3869AC_MSG_CHECKING(for socketpair)
Matthias Kloseb159a552010-04-25 21:00:44 +00003870AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Dave Cole331708b2004-08-09 04:51:41 +00003871#include <sys/types.h>
3872#include <sys/socket.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003873]], [[void *x=socketpair]])],
3874 [AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define if you have the 'socketpair' function.])
3875 AC_MSG_RESULT(yes)],
3876 [AC_MSG_RESULT(no)]
Dave Cole331708b2004-08-09 04:51:41 +00003877)
3878
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003879# check if sockaddr has sa_len member
3880AC_MSG_CHECKING(if sockaddr has sa_len member)
Matthias Kloseb159a552010-04-25 21:00:44 +00003881AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
3882#include <sys/socket.h>]], [[struct sockaddr x;
3883x.sa_len = 0;]])],
3884 [AC_MSG_RESULT(yes)
3885 AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member])],
3886 [AC_MSG_RESULT(no)]
3887)
Martin v. Löwis01dfdb32001-06-23 16:30:13 +00003888
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003889va_list_is_array=no
3890AC_MSG_CHECKING(whether va_list is an array)
Matthias Kloseb159a552010-04-25 21:00:44 +00003891AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003892#ifdef HAVE_STDARG_PROTOTYPES
3893#include <stdarg.h>
3894#else
3895#include <varargs.h>
3896#endif
Matthias Kloseb159a552010-04-25 21:00:44 +00003897]], [[va_list list1, list2; list1 = list2;]])],[],[
Victor Stinner1b80b242016-04-12 22:34:58 +02003898 AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003899 va_list_is_array=yes
3900])
Guido van Rossum5739e7e1995-01-20 16:50:53 +00003901AC_MSG_RESULT($va_list_is_array)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003902
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003903# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
Martin v. Löwis11437992002-04-12 09:54:03 +00003904AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
3905 [Define this if you have some version of gethostbyname_r()])
3906
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003907AC_CHECK_FUNC(gethostbyname_r, [
3908 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
3909 AC_MSG_CHECKING([gethostbyname_r with 6 args])
3910 OLD_CFLAGS=$CFLAGS
3911 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
Matthias Kloseb159a552010-04-25 21:00:44 +00003912 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003913# include <netdb.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003914 ]], [[
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003915 char *name;
3916 struct hostent *he, *res;
3917 char buffer[2048];
3918 int buflen = 2048;
3919 int h_errnop;
3920
3921 (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
Matthias Kloseb159a552010-04-25 21:00:44 +00003922 ]])],[
Guido van Rossum8db7d8b1999-03-23 16:40:33 +00003923 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003924 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
3925 [Define this if you have the 6-arg version of gethostbyname_r().])
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003926 AC_MSG_RESULT(yes)
Matthias Kloseb159a552010-04-25 21:00:44 +00003927 ],[
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003928 AC_MSG_RESULT(no)
3929 AC_MSG_CHECKING([gethostbyname_r with 5 args])
Matthias Kloseb159a552010-04-25 21:00:44 +00003930 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003931# include <netdb.h>
Matthias Kloseb159a552010-04-25 21:00:44 +00003932 ]], [[
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003933 char *name;
3934 struct hostent *he;
Matthias Kloseb159a552010-04-25 21:00:44 +00003935 char buffer[2048];
3936 int buflen = 2048;
3937 int h_errnop;
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003938
Matthias Kloseb159a552010-04-25 21:00:44 +00003939 (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
3940 ]])],
3941 [
Guido van Rossum8db7d8b1999-03-23 16:40:33 +00003942 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
Matthias Kloseb159a552010-04-25 21:00:44 +00003943 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
3944 [Define this if you have the 5-arg version of gethostbyname_r().])
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003945 AC_MSG_RESULT(yes)
3946 ], [
3947 AC_MSG_RESULT(no)
Matthias Kloseb159a552010-04-25 21:00:44 +00003948 AC_MSG_CHECKING([gethostbyname_r with 3 args])
3949 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3950# include <netdb.h>
3951 ]], [[
3952 char *name;
3953 struct hostent *he;
3954 struct hostent_data data;
3955
3956 (void) gethostbyname_r(name, he, &data);
3957 ]])],
3958 [
3959 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
3960 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
3961 [Define this if you have the 3-arg version of gethostbyname_r().])
3962 AC_MSG_RESULT(yes)
3963 ], [
3964 AC_MSG_RESULT(no)
3965 ])
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003966 ])
3967 ])
3968 CFLAGS=$OLD_CFLAGS
3969], [
Thomas Wouters3a584202000-08-05 23:28:51 +00003970 AC_CHECK_FUNCS(gethostbyname)
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003971])
3972AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
3973AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
3974AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
Guido van Rossum8db7d8b1999-03-23 16:40:33 +00003975AC_SUBST(HAVE_GETHOSTBYNAME_R)
Guido van Rossuma96f0ba1999-03-22 21:49:51 +00003976AC_SUBST(HAVE_GETHOSTBYNAME)
3977
Guido van Rossum627b2d71993-12-24 10:39:16 +00003978# checks for system services
3979# (none yet)
3980
Guido van Rossum76be6ed1995-01-02 18:33:54 +00003981# Linux requires this for correct f.p. operations
Jeremy Hyltonbe28f5b2000-07-27 21:03:04 +00003982AC_CHECK_FUNC(__fpu_control,
3983 [],
3984 [AC_CHECK_LIB(ieee, __fpu_control)
3985])
Guido van Rossum627b2d71993-12-24 10:39:16 +00003986
Guido van Rossum93274221997-05-09 02:42:00 +00003987# Check for --with-fpectl
Guido van Rossum93274221997-05-09 02:42:00 +00003988AC_MSG_CHECKING(for --with-fpectl)
Barry Warsawc0d24d8b2000-06-29 16:12:00 +00003989AC_ARG_WITH(fpectl,
Matthias Klose2b8733f2010-04-25 18:34:36 +00003990 AS_HELP_STRING([--with-fpectl], [enable SIGFPE catching]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00003991[
Guido van Rossum93274221997-05-09 02:42:00 +00003992if test "$withval" != no
Victor Stinner1b80b242016-04-12 22:34:58 +02003993then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003994 AC_DEFINE(WANT_SIGFPE_HANDLER, 1,
Victor Stinner1b80b242016-04-12 22:34:58 +02003995 [Define if you want SIGFPE handled (see Include/pyfpe.h).])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00003996 AC_MSG_RESULT(yes)
Guido van Rossum93274221997-05-09 02:42:00 +00003997else AC_MSG_RESULT(no)
Guido van Rossumef2255b2000-03-10 22:30:29 +00003998fi],
3999[AC_MSG_RESULT(no)])
Guido van Rossum93274221997-05-09 02:42:00 +00004000
Guido van Rossum433c8ad1994-08-01 12:07:07 +00004001# check for --with-libm=...
4002AC_SUBST(LIBM)
Guido van Rossum4b6b5791996-09-09 20:09:34 +00004003case $ac_sys_system in
Guido van Rossum3dc0a512000-10-05 18:00:06 +00004004Darwin) ;;
Guido van Rossum4b6b5791996-09-09 20:09:34 +00004005*) LIBM=-lm
4006esac
Guido van Rossum93274221997-05-09 02:42:00 +00004007AC_MSG_CHECKING(for --with-libm=STRING)
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004008AC_ARG_WITH(libm,
Matthias Klose2b8733f2010-04-25 18:34:36 +00004009 AS_HELP_STRING([--with-libm=STRING], [math library]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004010[
Guido van Rossum93274221997-05-09 02:42:00 +00004011if test "$withval" = no
4012then LIBM=
4013 AC_MSG_RESULT(force LIBM empty)
4014elif test "$withval" != yes
Guido van Rossum433c8ad1994-08-01 12:07:07 +00004015then LIBM=$withval
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004016 AC_MSG_RESULT(set LIBM="$withval")
4017else AC_MSG_ERROR([proper usage is --with-libm=STRING])
Guido van Rossum93274221997-05-09 02:42:00 +00004018fi],
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004019[AC_MSG_RESULT(default LIBM="$LIBM")])
Guido van Rossum433c8ad1994-08-01 12:07:07 +00004020
4021# check for --with-libc=...
4022AC_SUBST(LIBC)
Guido van Rossum93274221997-05-09 02:42:00 +00004023AC_MSG_CHECKING(for --with-libc=STRING)
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004024AC_ARG_WITH(libc,
Matthias Klose2b8733f2010-04-25 18:34:36 +00004025 AS_HELP_STRING([--with-libc=STRING], [C library]),
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004026[
Guido van Rossum93274221997-05-09 02:42:00 +00004027if test "$withval" = no
4028then LIBC=
4029 AC_MSG_RESULT(force LIBC empty)
4030elif test "$withval" != yes
Guido van Rossum433c8ad1994-08-01 12:07:07 +00004031then LIBC=$withval
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004032 AC_MSG_RESULT(set LIBC="$withval")
4033else AC_MSG_ERROR([proper usage is --with-libc=STRING])
Guido van Rossum93274221997-05-09 02:42:00 +00004034fi],
Martin v. Löwis3e2c6322002-10-29 10:07:43 +00004035[AC_MSG_RESULT(default LIBC="$LIBC")])
Guido van Rossum433c8ad1994-08-01 12:07:07 +00004036
Stefan Krah1919b7e2012-03-21 18:25:23 +01004037# **************************************
4038# * Check for gcc x64 inline assembler *
4039# **************************************
4040
4041AC_MSG_CHECKING(for x64 gcc inline assembler)
Stefan Krahe31db2a2015-07-02 20:27:56 +02004042AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
Stefan Krah1919b7e2012-03-21 18:25:23 +01004043 __asm__ __volatile__ ("movq %rcx, %rax");
4044]])],[have_gcc_asm_for_x64=yes],[have_gcc_asm_for_x64=no])
4045AC_MSG_RESULT($have_gcc_asm_for_x64)
4046if test "$have_gcc_asm_for_x64" = yes
4047then
4048 AC_DEFINE(HAVE_GCC_ASM_FOR_X64, 1,
4049 [Define if we can use x64 gcc inline assembler])
4050fi
4051
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004052# **************************************************
4053# * Check for various properties of floating point *
4054# **************************************************
Christian Heimes81ee3ef2008-05-04 22:42:01 +00004055
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004056AC_MSG_CHECKING(whether C doubles are little-endian IEEE 754 binary64)
4057AC_CACHE_VAL(ac_cv_little_endian_double, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004058AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004059#include <string.h>
4060int main() {
4061 double x = 9006104071832581.0;
4062 if (memcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8) == 0)
4063 return 0;
4064 else
4065 return 1;
4066}
Matthias Kloseb159a552010-04-25 21:00:44 +00004067]])],
4068[ac_cv_little_endian_double=yes],
4069[ac_cv_little_endian_double=no],
4070[ac_cv_little_endian_double=no])])
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004071AC_MSG_RESULT($ac_cv_little_endian_double)
4072if test "$ac_cv_little_endian_double" = yes
4073then
4074 AC_DEFINE(DOUBLE_IS_LITTLE_ENDIAN_IEEE754, 1,
4075 [Define if C doubles are 64-bit IEEE 754 binary format, stored
4076 with the least significant byte first])
4077fi
4078
4079AC_MSG_CHECKING(whether C doubles are big-endian IEEE 754 binary64)
4080AC_CACHE_VAL(ac_cv_big_endian_double, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004081AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004082#include <string.h>
4083int main() {
4084 double x = 9006104071832581.0;
4085 if (memcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8) == 0)
4086 return 0;
4087 else
4088 return 1;
4089}
Matthias Kloseb159a552010-04-25 21:00:44 +00004090]])],
4091[ac_cv_big_endian_double=yes],
4092[ac_cv_big_endian_double=no],
4093[ac_cv_big_endian_double=no])])
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004094AC_MSG_RESULT($ac_cv_big_endian_double)
4095if test "$ac_cv_big_endian_double" = yes
4096then
4097 AC_DEFINE(DOUBLE_IS_BIG_ENDIAN_IEEE754, 1,
4098 [Define if C doubles are 64-bit IEEE 754 binary format, stored
4099 with the most significant byte first])
4100fi
4101
4102# Some ARM platforms use a mixed-endian representation for doubles.
4103# While Python doesn't currently have full support for these platforms
4104# (see e.g., issue 1762561), we can at least make sure that float <-> string
4105# conversions work.
4106AC_MSG_CHECKING(whether C doubles are ARM mixed-endian IEEE 754 binary64)
4107AC_CACHE_VAL(ac_cv_mixed_endian_double, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004108AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004109#include <string.h>
4110int main() {
4111 double x = 9006104071832581.0;
4112 if (memcmp(&x, "\x01\xff\x3f\x43\x05\x04\x03\x02", 8) == 0)
4113 return 0;
4114 else
4115 return 1;
4116}
Matthias Kloseb159a552010-04-25 21:00:44 +00004117]])],
4118[ac_cv_mixed_endian_double=yes],
4119[ac_cv_mixed_endian_double=no],
4120[ac_cv_mixed_endian_double=no])])
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004121AC_MSG_RESULT($ac_cv_mixed_endian_double)
4122if test "$ac_cv_mixed_endian_double" = yes
4123then
4124 AC_DEFINE(DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754, 1,
4125 [Define if C doubles are 64-bit IEEE 754 binary format, stored
4126 in ARM mixed-endian order (byte order 45670123)])
4127fi
4128
Mark Dickinson7abf8d42009-04-18 20:17:52 +00004129# The short float repr introduced in Python 3.1 requires the
4130# correctly-rounded string <-> double conversion functions from
4131# Python/dtoa.c, which in turn require that the FPU uses 53-bit
4132# rounding; this is a problem on x86, where the x87 FPU has a default
Mark Dickinsonf4243f62009-11-15 13:47:27 +00004133# rounding precision of 64 bits. For gcc/x86, we can fix this by
Mark Dickinson7abf8d42009-04-18 20:17:52 +00004134# using inline assembler to get and set the x87 FPU control word.
Mark Dickinsonf4243f62009-11-15 13:47:27 +00004135
4136# This inline assembler syntax may also work for suncc and icc,
4137# so we try it on all platforms.
4138
4139AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set x87 control word)
Stefan Krahe31db2a2015-07-02 20:27:56 +02004140AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
Mark Dickinsonf4243f62009-11-15 13:47:27 +00004141 unsigned short cw;
4142 __asm__ __volatile__ ("fnstcw %0" : "=m" (cw));
4143 __asm__ __volatile__ ("fldcw %0" : : "m" (cw));
Matthias Kloseb159a552010-04-25 21:00:44 +00004144]])],[have_gcc_asm_for_x87=yes],[have_gcc_asm_for_x87=no])
Mark Dickinsonf4243f62009-11-15 13:47:27 +00004145AC_MSG_RESULT($have_gcc_asm_for_x87)
4146if test "$have_gcc_asm_for_x87" = yes
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004147then
Mark Dickinsonf4243f62009-11-15 13:47:27 +00004148 AC_DEFINE(HAVE_GCC_ASM_FOR_X87, 1,
4149 [Define if we can use gcc inline assembler to get and set x87 control word])
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004150fi
Christian Heimes81ee3ef2008-05-04 22:42:01 +00004151
Benjamin Peterson8bdeb162014-04-17 00:00:31 -04004152AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set mc68881 fpcr)
Stefan Krahe31db2a2015-07-02 20:27:56 +02004153AC_LINK_IFELSE( [AC_LANG_PROGRAM([[]], [[
Benjamin Peterson8bdeb162014-04-17 00:00:31 -04004154 unsigned int fpcr;
4155 __asm__ __volatile__ ("fmove.l %%fpcr,%0" : "=g" (fpcr));
4156 __asm__ __volatile__ ("fmove.l %0,%%fpcr" : : "g" (fpcr));
4157]])],[have_gcc_asm_for_mc68881=yes],[have_gcc_asm_for_mc68881=no])
4158AC_MSG_RESULT($have_gcc_asm_for_mc68881)
4159if test "$have_gcc_asm_for_mc68881" = yes
4160then
4161 AC_DEFINE(HAVE_GCC_ASM_FOR_MC68881, 1,
4162 [Define if we can use gcc inline assembler to get and set mc68881 fpcr])
4163fi
4164
Mark Dickinson3dc7c6a2009-01-04 15:09:02 +00004165# Detect whether system arithmetic is subject to x87-style double
4166# rounding issues. The result of this test has little meaning on non
4167# IEEE 754 platforms. On IEEE 754, test should return 1 if rounding
4168# mode is round-to-nearest and double rounding issues are present, and
4169# 0 otherwise. See http://bugs.python.org/issue2937 for more info.
4170AC_MSG_CHECKING(for x87-style double rounding)
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004171# $BASECFLAGS may affect the result
4172ac_save_cc="$CC"
4173CC="$CC $BASECFLAGS"
Matthias Kloseb159a552010-04-25 21:00:44 +00004174AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinson3dc7c6a2009-01-04 15:09:02 +00004175#include <stdlib.h>
4176#include <math.h>
4177int main() {
4178 volatile double x, y, z;
4179 /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */
4180 x = 0.99999999999999989; /* 1-2**-53 */
4181 y = 1./x;
4182 if (y != 1.)
4183 exit(0);
4184 /* 1e16+2.99999 -> 1e16+2. (correct), 1e16+4. (double rounding) */
4185 x = 1e16;
4186 y = 2.99999;
4187 z = x + y;
4188 if (z != 1e16+4.)
4189 exit(0);
4190 /* both tests show evidence of double rounding */
4191 exit(1);
4192}
Matthias Kloseb159a552010-04-25 21:00:44 +00004193]])],
4194[ac_cv_x87_double_rounding=no],
4195[ac_cv_x87_double_rounding=yes],
4196[ac_cv_x87_double_rounding=no])
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004197CC="$ac_save_cc"
Mark Dickinson3dc7c6a2009-01-04 15:09:02 +00004198AC_MSG_RESULT($ac_cv_x87_double_rounding)
4199if test "$ac_cv_x87_double_rounding" = yes
4200then
4201 AC_DEFINE(X87_DOUBLE_ROUNDING, 1,
4202 [Define if arithmetic is subject to x87-style double rounding issue])
4203fi
4204
Mark Dickinsonb08a53a2009-04-16 19:52:09 +00004205# ************************************
4206# * Check for mathematical functions *
4207# ************************************
4208
4209LIBS_SAVE=$LIBS
4210LIBS="$LIBS $LIBM"
4211
Mark Dickinson7edecdd2010-11-20 10:09:56 +00004212AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
Victor Stinner8f9f8d62011-05-09 12:45:41 +02004213AC_CHECK_FUNCS([hypot lgamma log1p log2 round tgamma])
Mark Dickinson7edecdd2010-11-20 10:09:56 +00004214AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
4215
Christian Heimes81ee3ef2008-05-04 22:42:01 +00004216# On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of
4217# -0. on some architectures.
4218AC_MSG_CHECKING(whether tanh preserves the sign of zero)
4219AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004220AC_RUN_IFELSE([AC_LANG_SOURCE([[
Christian Heimes81ee3ef2008-05-04 22:42:01 +00004221#include <math.h>
4222#include <stdlib.h>
4223int main() {
4224 /* return 0 if either negative zeros don't exist
4225 on this platform or if negative zeros exist
4226 and tanh(-0.) == -0. */
4227 if (atan2(0., -1.) == atan2(-0., -1.) ||
4228 atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0);
4229 else exit(1);
4230}
Matthias Kloseb159a552010-04-25 21:00:44 +00004231]])],
4232[ac_cv_tanh_preserves_zero_sign=yes],
4233[ac_cv_tanh_preserves_zero_sign=no],
4234[ac_cv_tanh_preserves_zero_sign=no])])
Christian Heimes81ee3ef2008-05-04 22:42:01 +00004235AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign)
4236if test "$ac_cv_tanh_preserves_zero_sign" = yes
4237then
4238 AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1,
4239 [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros])
4240fi
4241
Mark Dickinson7edecdd2010-11-20 10:09:56 +00004242if test "$ac_cv_func_log1p" = yes
4243then
4244 # On some versions of AIX, log1p(-0.) returns 0. instead of
4245 # -0. See issue #9920.
4246 AC_MSG_CHECKING(whether log1p drops the sign of negative zero)
4247 AC_CACHE_VAL(ac_cv_log1p_drops_zero_sign, [
4248 AC_RUN_IFELSE([AC_LANG_SOURCE([[
4249 #include <math.h>
4250 #include <stdlib.h>
4251 int main() {
4252 /* Fail if the signs of log1p(-0.) and -0. can be
4253 distinguished. */
4254 if (atan2(log1p(-0.), -1.) == atan2(-0., -1.))
4255 return 0;
4256 else
4257 return 1;
4258 }
4259 ]])],
4260 [ac_cv_log1p_drops_zero_sign=no],
4261 [ac_cv_log1p_drops_zero_sign=yes],
4262 [ac_cv_log1p_drops_zero_sign=no])])
4263 AC_MSG_RESULT($ac_cv_log1p_drops_zero_sign)
4264fi
4265if test "$ac_cv_log1p_drops_zero_sign" = yes
4266then
4267 AC_DEFINE(LOG1P_DROPS_ZERO_SIGN, 1,
4268 [Define if log1p(-0.) is 0. rather than -0.])
4269fi
Christian Heimes99170a52007-12-19 02:07:34 +00004270
Guido van Rossumaf5b83e1995-01-04 19:02:35 +00004271LIBS=$LIBS_SAVE
4272
Mark Dickinsona614f042009-11-28 12:48:43 +00004273# For multiprocessing module, check that sem_open
4274# actually works. For FreeBSD versions <= 7.2,
4275# the kernel module that provides POSIX semaphores
4276# isn't loaded by default, so an attempt to call
4277# sem_open results in a 'Signal 12' error.
4278AC_MSG_CHECKING(whether POSIX semaphores are enabled)
4279AC_CACHE_VAL(ac_cv_posix_semaphores_enabled,
Matthias Kloseb159a552010-04-25 21:00:44 +00004280AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinsona614f042009-11-28 12:48:43 +00004281#include <unistd.h>
4282#include <fcntl.h>
4283#include <stdio.h>
4284#include <semaphore.h>
4285#include <sys/stat.h>
4286
4287int main(void) {
4288 sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0);
4289 if (a == SEM_FAILED) {
4290 perror("sem_open");
4291 return 1;
4292 }
4293 sem_close(a);
Mark Dickinsonba79b352009-12-13 21:10:57 +00004294 sem_unlink("/autoconf");
Mark Dickinsona614f042009-11-28 12:48:43 +00004295 return 0;
4296}
Matthias Kloseb159a552010-04-25 21:00:44 +00004297]])],
4298[ac_cv_posix_semaphores_enabled=yes],
4299[ac_cv_posix_semaphores_enabled=no],
4300[ac_cv_posix_semaphores_enabled=yes])
Mark Dickinsona614f042009-11-28 12:48:43 +00004301)
4302AC_MSG_RESULT($ac_cv_posix_semaphores_enabled)
4303if test $ac_cv_posix_semaphores_enabled = no
4304then
4305 AC_DEFINE(POSIX_SEMAPHORES_NOT_ENABLED, 1,
4306 [Define if POSIX semaphores aren't enabled on your system])
4307fi
4308
Mark Dickinson10683072009-04-18 21:18:19 +00004309# Multiprocessing check for broken sem_getvalue
4310AC_MSG_CHECKING(for broken sem_getvalue)
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004311AC_CACHE_VAL(ac_cv_broken_sem_getvalue,
Matthias Kloseb159a552010-04-25 21:00:44 +00004312AC_RUN_IFELSE([AC_LANG_SOURCE([[
Mark Dickinson10683072009-04-18 21:18:19 +00004313#include <unistd.h>
4314#include <fcntl.h>
4315#include <stdio.h>
4316#include <semaphore.h>
4317#include <sys/stat.h>
4318
4319int main(void){
Mark Dickinsonba79b352009-12-13 21:10:57 +00004320 sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0);
Mark Dickinson10683072009-04-18 21:18:19 +00004321 int count;
4322 int res;
4323 if(a==SEM_FAILED){
4324 perror("sem_open");
4325 return 1;
4326
4327 }
4328 res = sem_getvalue(a, &count);
4329 sem_close(a);
Mark Dickinsonba79b352009-12-13 21:10:57 +00004330 sem_unlink("/autocftw");
Mark Dickinson10683072009-04-18 21:18:19 +00004331 return res==-1 ? 1 : 0;
4332}
Matthias Kloseb159a552010-04-25 21:00:44 +00004333]])],
4334[ac_cv_broken_sem_getvalue=no],
4335[ac_cv_broken_sem_getvalue=yes],
4336[ac_cv_broken_sem_getvalue=yes])
Mark Dickinson10683072009-04-18 21:18:19 +00004337)
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004338AC_MSG_RESULT($ac_cv_broken_sem_getvalue)
4339if test $ac_cv_broken_sem_getvalue = yes
4340then
4341 AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1,
4342 [define to 1 if your sem_getvalue is broken.])
4343fi
Mark Dickinson10683072009-04-18 21:18:19 +00004344
Serhiy Storchakac2f7d872016-05-04 09:44:44 +03004345AC_CHECK_DECLS([RTLD_LAZY, RTLD_NOW, RTLD_GLOBAL, RTLD_LOCAL, RTLD_NODELETE, RTLD_NOLOAD, RTLD_DEEPBIND], [], [], [[#include <dlfcn.h>]])
4346
Mark Dickinsonbd792642009-03-18 20:06:12 +00004347# determine what size digit to use for Python's longs
4348AC_MSG_CHECKING([digit size for Python's longs])
4349AC_ARG_ENABLE(big-digits,
Matthias Klose2b8733f2010-04-25 18:34:36 +00004350AS_HELP_STRING([--enable-big-digits@<:@=BITS@:>@],[use big digits for Python longs [[BITS=30]]]),
Mark Dickinsonbd792642009-03-18 20:06:12 +00004351[case $enable_big_digits in
4352yes)
4353 enable_big_digits=30 ;;
4354no)
4355 enable_big_digits=15 ;;
4356[15|30])
4357 ;;
4358*)
4359 AC_MSG_ERROR([bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30]) ;;
4360esac
4361AC_MSG_RESULT($enable_big_digits)
4362AC_DEFINE_UNQUOTED(PYLONG_BITS_IN_DIGIT, $enable_big_digits, [Define as the preferred size in bits of long digits])
4363],
4364[AC_MSG_RESULT(no value specified)])
4365
Guido van Rossumef2255b2000-03-10 22:30:29 +00004366# check for wchar.h
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004367AC_CHECK_HEADER(wchar.h, [
Victor Stinner1b80b242016-04-12 22:34:58 +02004368 AC_DEFINE(HAVE_WCHAR_H, 1,
4369 [Define if the compiler provides a wchar.h header file.])
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004370 wchar_h="yes"
4371],
Guido van Rossumef2255b2000-03-10 22:30:29 +00004372wchar_h="no"
4373)
4374
Martin v. Löwis0ba70cc2001-06-26 22:22:37 +00004375# determine wchar_t size
4376if test "$wchar_h" = yes
4377then
Guido van Rossum67b26592001-10-20 14:21:45 +00004378 AC_CHECK_SIZEOF(wchar_t, 4, [#include <wchar.h>])
Martin v. Löwis0ba70cc2001-06-26 22:22:37 +00004379fi
4380
Martin v. Löwisfa3bdea2003-09-04 18:50:54 +00004381AC_MSG_CHECKING(for UCS-4 tcl)
4382have_ucs4_tcl=no
Matthias Kloseb159a552010-04-25 21:00:44 +00004383AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
Martin v. Löwisfa3bdea2003-09-04 18:50:54 +00004384#include <tcl.h>
4385#if TCL_UTF_MAX != 6
4386# error "NOT UCS4_TCL"
Matthias Kloseb159a552010-04-25 21:00:44 +00004387#endif]], [[]])],[
Martin v. Löwisfa3bdea2003-09-04 18:50:54 +00004388 AC_DEFINE(HAVE_UCS4_TCL, 1, [Define this if you have tcl and TCL_UTF_MAX==6])
4389 have_ucs4_tcl=yes
Matthias Kloseb159a552010-04-25 21:00:44 +00004390],[])
Martin v. Löwisfa3bdea2003-09-04 18:50:54 +00004391AC_MSG_RESULT($have_ucs4_tcl)
4392
Marc-André Lemburgd7160f82003-09-22 11:14:40 +00004393# check whether wchar_t is signed or not
4394if test "$wchar_h" = yes
4395then
4396 # check whether wchar_t is signed or not
4397 AC_MSG_CHECKING(whether wchar_t is signed)
4398 AC_CACHE_VAL(ac_cv_wchar_t_signed, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004399 AC_RUN_IFELSE([AC_LANG_SOURCE([[
Marc-André Lemburgd7160f82003-09-22 11:14:40 +00004400 #include <wchar.h>
4401 int main()
4402 {
Thomas Wouters49fd7fa2006-04-21 10:40:58 +00004403 /* Success: exit code 0 */
4404 exit((((wchar_t) -1) < ((wchar_t) 0)) ? 0 : 1);
Marc-André Lemburgd7160f82003-09-22 11:14:40 +00004405 }
Matthias Kloseb159a552010-04-25 21:00:44 +00004406 ]])],
4407 [ac_cv_wchar_t_signed=yes],
4408 [ac_cv_wchar_t_signed=no],
4409 [ac_cv_wchar_t_signed=yes])])
Marc-André Lemburgd7160f82003-09-22 11:14:40 +00004410 AC_MSG_RESULT($ac_cv_wchar_t_signed)
4411fi
Martin v. Löwis0ba70cc2001-06-26 22:22:37 +00004412
Georg Brandl52d168a2008-01-07 18:10:24 +00004413# wchar_t is only usable if it maps to an unsigned type
Martin v. Löwisd63a3b82011-09-28 07:41:54 +02004414if test "$ac_cv_sizeof_wchar_t" -ge 2 \
Matthias Klose7dbeed72004-12-24 08:22:17 +00004415 -a "$ac_cv_wchar_t_signed" = "no"
Georg Brandl52d168a2008-01-07 18:10:24 +00004416then
Martin v. Löwisd63a3b82011-09-28 07:41:54 +02004417 HAVE_USABLE_WCHAR_T="yes"
Georg Brandl52d168a2008-01-07 18:10:24 +00004418 AC_DEFINE(HAVE_USABLE_WCHAR_T, 1,
4419 [Define if you have a useable wchar_t type defined in wchar.h; useable
4420 means wchar_t must be an unsigned type with at least 16 bits. (see
4421 Include/unicodeobject.h).])
Georg Brandl52d168a2008-01-07 18:10:24 +00004422else
Martin v. Löwisd63a3b82011-09-28 07:41:54 +02004423 HAVE_USABLE_WCHAR_T="no usable wchar_t found"
Martin v. Löwis0ba70cc2001-06-26 22:22:37 +00004424fi
Martin v. Löwisd63a3b82011-09-28 07:41:54 +02004425AC_MSG_RESULT($HAVE_USABLE_WCHAR_T)
Guido van Rossumef2255b2000-03-10 22:30:29 +00004426
4427# check for endianness
4428AC_C_BIGENDIAN
4429
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00004430# ABI version string for Python extension modules. This appears between the
4431# periods in shared library file names, e.g. foo.<SOABI>.so. It is calculated
4432# from the following attributes which affect the ABI of this Python build (in
4433# this order):
4434#
4435# * The Python implementation (always 'cpython-' for us)
4436# * The major and minor version numbers
4437# * --with-pydebug (adds a 'd')
4438# * --with-pymalloc (adds a 'm')
4439# * --with-wide-unicode (adds a 'u')
4440#
4441# Thus for example, Python 3.2 built with wide unicode, pydebug, and pymalloc,
Georg Brandlde7d8342010-09-03 22:19:07 +00004442# would get a shared library ABI version tag of 'cpython-32dmu' and shared
4443# libraries would be named 'foo.cpython-32dmu.so'.
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00004444AC_SUBST(SOABI)
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00004445AC_MSG_CHECKING(ABIFLAGS)
4446AC_MSG_RESULT($ABIFLAGS)
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00004447AC_MSG_CHECKING(SOABI)
doko@ubuntu.comd3899c12015-04-15 20:23:14 +02004448SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS}${PLATFORM_TRIPLET:+-$PLATFORM_TRIPLET}
Barry Warsaw35f3a2c2010-09-03 18:30:30 +00004449AC_MSG_RESULT($SOABI)
4450
doko@ubuntu.comd5537d02013-03-21 13:21:49 -07004451AC_SUBST(EXT_SUFFIX)
4452case $ac_sys_system in
Ned Deily3b812482015-04-15 17:11:47 -07004453 Linux*|GNU*|Darwin)
doko@ubuntu.comd5537d02013-03-21 13:21:49 -07004454 EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
4455 *)
4456 EXT_SUFFIX=${SHLIB_SUFFIX};;
4457esac
4458
Barry Warsaw8cf4eae2010-10-16 01:04:07 +00004459AC_MSG_CHECKING(LDVERSION)
4460LDVERSION='$(VERSION)$(ABIFLAGS)'
4461AC_MSG_RESULT($LDVERSION)
4462
doko@python.org87421192013-01-26 11:39:31 +01004463dnl define LIBPL after ABIFLAGS and LDVERSION is defined.
4464AC_SUBST(PY_ENABLE_SHARED)
doko@ubuntu.come8042e52015-05-06 01:13:02 +02004465LIBPL='$(prefix)'"/lib/python${VERSION}/config-${LDVERSION}"
doko@python.org87421192013-01-26 11:39:31 +01004466AC_SUBST(LIBPL)
4467
Vladimir Marangozov9a5a5d12000-07-12 03:02:16 +00004468# Check whether right shifting a negative integer extends the sign bit
4469# or fills with zeros (like the Cray J90, according to Tim Peters).
4470AC_MSG_CHECKING(whether right shift extends the sign bit)
Vladimir Marangozova6180282000-07-12 05:05:06 +00004471AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004472AC_RUN_IFELSE([AC_LANG_SOURCE([[
Vladimir Marangozov9a5a5d12000-07-12 03:02:16 +00004473int main()
4474{
Vladimir Marangozova6180282000-07-12 05:05:06 +00004475 exit(((-1)>>3 == -1) ? 0 : 1);
Vladimir Marangozov9a5a5d12000-07-12 03:02:16 +00004476}
Matthias Kloseb159a552010-04-25 21:00:44 +00004477]])],
4478[ac_cv_rshift_extends_sign=yes],
4479[ac_cv_rshift_extends_sign=no],
4480[ac_cv_rshift_extends_sign=yes])])
Vladimir Marangozova6180282000-07-12 05:05:06 +00004481AC_MSG_RESULT($ac_cv_rshift_extends_sign)
4482if test "$ac_cv_rshift_extends_sign" = no
4483then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004484 AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1,
4485 [Define if i>>j for signed int i does not extend the sign bit
4486 when i < 0])
Vladimir Marangozova6180282000-07-12 05:05:06 +00004487fi
4488
Guido van Rossumcadfaec2001-01-05 14:45:49 +00004489# check for getc_unlocked and related locking functions
4490AC_MSG_CHECKING(for getc_unlocked() and friends)
4491AC_CACHE_VAL(ac_cv_have_getc_unlocked, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004492AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[
Guido van Rossumcadfaec2001-01-05 14:45:49 +00004493 FILE *f = fopen("/dev/null", "r");
4494 flockfile(f);
4495 getc_unlocked(f);
4496 funlockfile(f);
Matthias Kloseb159a552010-04-25 21:00:44 +00004497]])],[ac_cv_have_getc_unlocked=yes],[ac_cv_have_getc_unlocked=no])])
Guido van Rossumcadfaec2001-01-05 14:45:49 +00004498AC_MSG_RESULT($ac_cv_have_getc_unlocked)
4499if test "$ac_cv_have_getc_unlocked" = yes
4500then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004501 AC_DEFINE(HAVE_GETC_UNLOCKED, 1,
4502 [Define this if you have flockfile(), getc_unlocked(), and funlockfile()])
Guido van Rossumcadfaec2001-01-05 14:45:49 +00004503fi
Vladimir Marangozov9a5a5d12000-07-12 03:02:16 +00004504
Neal Norwitzfe8e3d92006-01-07 21:07:20 +00004505# check where readline lives
Martin v. Löwis82bca632006-02-10 20:49:30 +00004506# save the value of LIBS so we don't actually link Python with readline
4507LIBS_no_readline=$LIBS
Gregory P. Smith18820942008-09-07 06:24:49 +00004508
4509# On some systems we need to link readline to a termcap compatible
4510# library. NOTE: Keep the precedence of listed libraries synchronised
4511# with setup.py.
4512py_cv_lib_readline=no
4513AC_MSG_CHECKING([how to link readline libs])
doko@ubuntu.comf2967c72012-06-30 17:32:23 +02004514for py_libtermcap in "" tinfo ncursesw ncurses curses termcap; do
Gregory P. Smith18820942008-09-07 06:24:49 +00004515 if test -z "$py_libtermcap"; then
4516 READLINE_LIBS="-lreadline"
4517 else
4518 READLINE_LIBS="-lreadline -l$py_libtermcap"
4519 fi
4520 LIBS="$READLINE_LIBS $LIBS_no_readline"
4521 AC_LINK_IFELSE(
4522 [AC_LANG_CALL([],[readline])],
4523 [py_cv_lib_readline=yes])
4524 if test $py_cv_lib_readline = yes; then
4525 break
4526 fi
4527done
4528# Uncomment this line if you want to use READINE_LIBS in Makefile or scripts
4529#AC_SUBST([READLINE_LIBS])
Gregory P. Smith97515912008-09-07 19:23:19 +00004530if test $py_cv_lib_readline = no; then
Gregory P. Smith18820942008-09-07 06:24:49 +00004531 AC_MSG_RESULT([none])
4532else
4533 AC_MSG_RESULT([$READLINE_LIBS])
4534 AC_DEFINE(HAVE_LIBREADLINE, 1,
4535 [Define if you have the readline library (-lreadline).])
Neal Norwitzfe8e3d92006-01-07 21:07:20 +00004536fi
4537
Michael W. Hudson30ea2f22004-07-07 17:44:12 +00004538# check for readline 2.1
4539AC_CHECK_LIB(readline, rl_callback_handler_install,
4540 AC_DEFINE(HAVE_RL_CALLBACK, 1,
Gregory P. Smith18820942008-09-07 06:24:49 +00004541 [Define if you have readline 2.1]), ,$READLINE_LIBS)
Michael W. Hudson30ea2f22004-07-07 17:44:12 +00004542
Guido van Rossumfaf5e4d2002-12-30 16:25:41 +00004543# check for readline 2.2
Matthias Kloseb159a552010-04-25 21:00:44 +00004544AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <readline/readline.h>]])],
4545 [have_readline=yes],
4546 [have_readline=no]
4547)
Guido van Rossumfaf5e4d2002-12-30 16:25:41 +00004548if test $have_readline = yes
4549then
4550 AC_EGREP_HEADER([extern int rl_completion_append_character;],
4551 [readline/readline.h],
4552 AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
4553 [Define if you have readline 2.2]), )
Antoine Pitroud5131772009-10-26 19:22:14 +00004554 AC_EGREP_HEADER([extern int rl_completion_suppress_append;],
4555 [readline/readline.h],
4556 AC_DEFINE(HAVE_RL_COMPLETION_SUPPRESS_APPEND, 1,
4557 [Define if you have rl_completion_suppress_append]), )
Guido van Rossumfaf5e4d2002-12-30 16:25:41 +00004558fi
4559
Martin v. Löwis0daad592001-09-30 21:09:59 +00004560# check for readline 4.0
4561AC_CHECK_LIB(readline, rl_pre_input_hook,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004562 AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1,
Gregory P. Smith18820942008-09-07 06:24:49 +00004563 [Define if you have readline 4.0]), ,$READLINE_LIBS)
Martin v. Löwis0daad592001-09-30 21:09:59 +00004564
Thomas Wouters89d996e2007-09-08 17:39:28 +00004565# also in 4.0
4566AC_CHECK_LIB(readline, rl_completion_display_matches_hook,
4567 AC_DEFINE(HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK, 1,
Gregory P. Smith18820942008-09-07 06:24:49 +00004568 [Define if you have readline 4.0]), ,$READLINE_LIBS)
Thomas Wouters89d996e2007-09-08 17:39:28 +00004569
Martin Panter5dbbf1a2016-04-03 02:54:58 +00004570# also in 4.0, but not in editline
4571AC_CHECK_LIB(readline, rl_resize_terminal,
4572 AC_DEFINE(HAVE_RL_RESIZE_TERMINAL, 1,
4573 [Define if you have readline 4.0]), ,$READLINE_LIBS)
4574
Guido van Rossum353ae582001-07-10 16:45:32 +00004575# check for readline 4.2
4576AC_CHECK_LIB(readline, rl_completion_matches,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004577 AC_DEFINE(HAVE_RL_COMPLETION_MATCHES, 1,
Gregory P. Smith18820942008-09-07 06:24:49 +00004578 [Define if you have readline 4.2]), ,$READLINE_LIBS)
Guido van Rossum353ae582001-07-10 16:45:32 +00004579
Michael W. Hudson30ea2f22004-07-07 17:44:12 +00004580# also in readline 4.2
Matthias Kloseb159a552010-04-25 21:00:44 +00004581AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <readline/readline.h>]])],
4582 [have_readline=yes],
4583 [have_readline=no]
4584)
Michael W. Hudson30ea2f22004-07-07 17:44:12 +00004585if test $have_readline = yes
4586then
4587 AC_EGREP_HEADER([extern int rl_catch_signals;],
4588 [readline/readline.h],
4589 AC_DEFINE(HAVE_RL_CATCH_SIGNAL, 1,
4590 [Define if you can turn off readline's signal handling.]), )
4591fi
4592
Benjamin Petersond1e22ba2014-11-26 14:35:12 -06004593AC_CHECK_LIB(readline, append_history,
4594 AC_DEFINE(HAVE_RL_APPEND_HISTORY, 1,
4595 [Define if readline supports append_history]), ,$READLINE_LIBS)
4596
Martin v. Löwis82bca632006-02-10 20:49:30 +00004597# End of readline checks: restore LIBS
4598LIBS=$LIBS_no_readline
4599
Thomas Wouterse38b2f12001-07-11 22:35:31 +00004600AC_MSG_CHECKING(for broken nice())
4601AC_CACHE_VAL(ac_cv_broken_nice, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004602AC_RUN_IFELSE([AC_LANG_SOURCE([[
Thomas Wouterse38b2f12001-07-11 22:35:31 +00004603int main()
4604{
4605 int val1 = nice(1);
4606 if (val1 != -1 && val1 == nice(2))
4607 exit(0);
4608 exit(1);
4609}
Matthias Kloseb159a552010-04-25 21:00:44 +00004610]])],
4611[ac_cv_broken_nice=yes],
4612[ac_cv_broken_nice=no],
4613[ac_cv_broken_nice=no])])
Thomas Wouterse38b2f12001-07-11 22:35:31 +00004614AC_MSG_RESULT($ac_cv_broken_nice)
4615if test "$ac_cv_broken_nice" = yes
4616then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004617 AC_DEFINE(HAVE_BROKEN_NICE, 1,
4618 [Define if nice() returns success/failure instead of the new priority.])
Thomas Wouterse38b2f12001-07-11 22:35:31 +00004619fi
4620
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004621AC_MSG_CHECKING(for broken poll())
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004622AC_CACHE_VAL(ac_cv_broken_poll,
Matthias Kloseb159a552010-04-25 21:00:44 +00004623AC_RUN_IFELSE([AC_LANG_SOURCE([[
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004624#include <poll.h>
4625
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004626int main()
4627{
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004628 struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 };
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004629 int poll_test;
4630
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004631 close (42);
4632
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004633 poll_test = poll(&poll_struct, 1, 0);
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004634 if (poll_test < 0)
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004635 return 0;
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004636 else if (poll_test == 0 && poll_struct.revents != POLLNVAL)
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004637 return 0;
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004638 else
Alexandre Vassalottiaee170a2009-07-17 06:24:33 +00004639 return 1;
4640}
Matthias Kloseb159a552010-04-25 21:00:44 +00004641]])],
4642[ac_cv_broken_poll=yes],
4643[ac_cv_broken_poll=no],
4644[ac_cv_broken_poll=no]))
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004645AC_MSG_RESULT($ac_cv_broken_poll)
4646if test "$ac_cv_broken_poll" = yes
4647then
4648 AC_DEFINE(HAVE_BROKEN_POLL, 1,
4649 [Define if poll() sets errno on invalid file descriptors.])
4650fi
4651
Victor Stinner1b80b242016-04-12 22:34:58 +02004652# Before we can test tzset, we need to check if struct tm has a tm_zone
Brett Cannon43802422005-02-10 20:48:03 +00004653# (which is not required by ISO C or UNIX spec) and/or if we support
4654# tzname[]
4655AC_STRUCT_TIMEZONE
Nicholas Bastine62c5c82004-03-21 23:45:42 +00004656
Brett Cannon43802422005-02-10 20:48:03 +00004657# check tzset(3) exists and works like we expect it to
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004658AC_MSG_CHECKING(for working tzset())
4659AC_CACHE_VAL(ac_cv_working_tzset, [
Matthias Kloseb159a552010-04-25 21:00:44 +00004660AC_RUN_IFELSE([AC_LANG_SOURCE([[
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004661#include <stdlib.h>
4662#include <time.h>
Brett Cannon18367812003-09-19 00:59:16 +00004663#include <string.h>
Brett Cannon43802422005-02-10 20:48:03 +00004664
4665#if HAVE_TZNAME
4666extern char *tzname[];
4667#endif
4668
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004669int main()
4670{
Brett Cannon18367812003-09-19 00:59:16 +00004671 /* Note that we need to ensure that not only does tzset(3)
4672 do 'something' with localtime, but it works as documented
4673 in the library reference and as expected by the test suite.
Brett Cannon43802422005-02-10 20:48:03 +00004674 This includes making sure that tzname is set properly if
4675 tm->tm_zone does not exist since it is the alternative way
4676 of getting timezone info.
Brett Cannon18367812003-09-19 00:59:16 +00004677
Victor Stinner1b80b242016-04-12 22:34:58 +02004678 Red Hat 6.2 doesn't understand the southern hemisphere
Brett Cannon43802422005-02-10 20:48:03 +00004679 after New Year's Day.
Brett Cannon18367812003-09-19 00:59:16 +00004680 */
4681
Brett Cannon43802422005-02-10 20:48:03 +00004682 time_t groundhogday = 1044144000; /* GMT-based */
Brett Cannon18367812003-09-19 00:59:16 +00004683 time_t midyear = groundhogday + (365 * 24 * 3600 / 2);
4684
Neal Norwitz7f2588c2003-04-11 15:35:53 +00004685 putenv("TZ=UTC+0");
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004686 tzset();
Brett Cannon18367812003-09-19 00:59:16 +00004687 if (localtime(&groundhogday)->tm_hour != 0)
4688 exit(1);
Brett Cannon43802422005-02-10 20:48:03 +00004689#if HAVE_TZNAME
4690 /* For UTC, tzname[1] is sometimes "", sometimes " " */
Victor Stinner1b80b242016-04-12 22:34:58 +02004691 if (strcmp(tzname[0], "UTC") ||
Brett Cannon43802422005-02-10 20:48:03 +00004692 (tzname[1][0] != 0 && tzname[1][0] != ' '))
4693 exit(1);
4694#endif
Brett Cannon18367812003-09-19 00:59:16 +00004695
Neal Norwitz7f2588c2003-04-11 15:35:53 +00004696 putenv("TZ=EST+5EDT,M4.1.0,M10.5.0");
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004697 tzset();
Brett Cannon18367812003-09-19 00:59:16 +00004698 if (localtime(&groundhogday)->tm_hour != 19)
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004699 exit(1);
Brett Cannon43802422005-02-10 20:48:03 +00004700#if HAVE_TZNAME
4701 if (strcmp(tzname[0], "EST") || strcmp(tzname[1], "EDT"))
4702 exit(1);
4703#endif
Brett Cannon18367812003-09-19 00:59:16 +00004704
4705 putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0");
4706 tzset();
4707 if (localtime(&groundhogday)->tm_hour != 11)
4708 exit(1);
Brett Cannon43802422005-02-10 20:48:03 +00004709#if HAVE_TZNAME
4710 if (strcmp(tzname[0], "AEST") || strcmp(tzname[1], "AEDT"))
4711 exit(1);
4712#endif
4713
4714#if HAVE_STRUCT_TM_TM_ZONE
Brett Cannon18367812003-09-19 00:59:16 +00004715 if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT"))
4716 exit(1);
4717 if (strcmp(localtime(&midyear)->tm_zone, "AEST"))
4718 exit(1);
Brett Cannon43802422005-02-10 20:48:03 +00004719#endif
Brett Cannon18367812003-09-19 00:59:16 +00004720
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004721 exit(0);
4722}
Matthias Kloseb159a552010-04-25 21:00:44 +00004723]])],
4724[ac_cv_working_tzset=yes],
4725[ac_cv_working_tzset=no],
4726[ac_cv_working_tzset=no])])
Guido van Rossumd11b62e2003-03-14 21:51:36 +00004727AC_MSG_RESULT($ac_cv_working_tzset)
4728if test "$ac_cv_working_tzset" = yes
4729then
4730 AC_DEFINE(HAVE_WORKING_TZSET, 1,
4731 [Define if tzset() actually switches the local timezone in a meaningful way.])
4732fi
4733
Martin v. Löwis94717ed2002-09-09 14:24:16 +00004734# Look for subsecond timestamps in struct stat
4735AC_MSG_CHECKING(for tv_nsec in struct stat)
4736AC_CACHE_VAL(ac_cv_stat_tv_nsec,
Matthias Kloseb159a552010-04-25 21:00:44 +00004737AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
Martin v. Löwis94717ed2002-09-09 14:24:16 +00004738struct stat st;
4739st.st_mtim.tv_nsec = 1;
Matthias Kloseb159a552010-04-25 21:00:44 +00004740]])],
4741[ac_cv_stat_tv_nsec=yes],
4742[ac_cv_stat_tv_nsec=no]))
Martin v. Löwis94717ed2002-09-09 14:24:16 +00004743AC_MSG_RESULT($ac_cv_stat_tv_nsec)
4744if test "$ac_cv_stat_tv_nsec" = yes
4745then
4746 AC_DEFINE(HAVE_STAT_TV_NSEC, 1,
4747 [Define if you have struct stat.st_mtim.tv_nsec])
4748fi
4749
Martin v. Löwisebd9d5b2005-08-09 15:00:59 +00004750# Look for BSD style subsecond timestamps in struct stat
4751AC_MSG_CHECKING(for tv_nsec2 in struct stat)
4752AC_CACHE_VAL(ac_cv_stat_tv_nsec2,
Matthias Kloseb159a552010-04-25 21:00:44 +00004753AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
Martin v. Löwisebd9d5b2005-08-09 15:00:59 +00004754struct stat st;
4755st.st_mtimespec.tv_nsec = 1;
Matthias Kloseb159a552010-04-25 21:00:44 +00004756]])],
4757[ac_cv_stat_tv_nsec2=yes],
4758[ac_cv_stat_tv_nsec2=no]))
Martin v. Löwisebd9d5b2005-08-09 15:00:59 +00004759AC_MSG_RESULT($ac_cv_stat_tv_nsec2)
4760if test "$ac_cv_stat_tv_nsec2" = yes
4761then
4762 AC_DEFINE(HAVE_STAT_TV_NSEC2, 1,
4763 [Define if you have struct stat.st_mtimensec])
4764fi
4765
doko@ubuntu.com1a4f5612014-04-17 20:13:44 +02004766# first curses header check
doko@ubuntu.com9dc823d2012-07-07 03:06:42 +02004767ac_save_cppflags="$CPPFLAGS"
4768CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"
doko@ubuntu.com1a4f5612014-04-17 20:13:44 +02004769
4770AC_CHECK_HEADERS(curses.h ncurses.h)
4771
4772# On Solaris, term.h requires curses.h
4773AC_CHECK_HEADERS(term.h,,,[
4774#ifdef HAVE_CURSES_H
4775#include <curses.h>
4776#endif
4777])
4778
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004779# On HP/UX 11.0, mvwdelch is a block with a return statement
4780AC_MSG_CHECKING(whether mvwdelch is an expression)
4781AC_CACHE_VAL(ac_cv_mvwdelch_is_expression,
Matthias Kloseb159a552010-04-25 21:00:44 +00004782AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004783 int rtn;
4784 rtn = mvwdelch(0,0,0);
Matthias Kloseb159a552010-04-25 21:00:44 +00004785]])],
4786[ac_cv_mvwdelch_is_expression=yes],
4787[ac_cv_mvwdelch_is_expression=no]))
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004788AC_MSG_RESULT($ac_cv_mvwdelch_is_expression)
4789
4790if test "$ac_cv_mvwdelch_is_expression" = yes
4791then
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004792 AC_DEFINE(MVWDELCH_IS_EXPRESSION, 1,
4793 [Define if mvwdelch in curses.h is an expression.])
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004794fi
4795
4796AC_MSG_CHECKING(whether WINDOW has _flags)
4797AC_CACHE_VAL(ac_cv_window_has_flags,
Matthias Kloseb159a552010-04-25 21:00:44 +00004798AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004799 WINDOW *w;
4800 w->_flags = 0;
Matthias Kloseb159a552010-04-25 21:00:44 +00004801]])],
4802[ac_cv_window_has_flags=yes],
4803[ac_cv_window_has_flags=no]))
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004804AC_MSG_RESULT($ac_cv_window_has_flags)
4805
4806
4807if test "$ac_cv_window_has_flags" = yes
4808then
Victor Stinner1b80b242016-04-12 22:34:58 +02004809 AC_DEFINE(WINDOW_HAS_FLAGS, 1,
Martin v. Löwisc45929e2002-04-06 10:10:49 +00004810 [Define if WINDOW in curses.h offers a field _flags.])
Martin v. Löwiseb9b1032001-10-24 17:10:49 +00004811fi
4812
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004813AC_MSG_CHECKING(for is_term_resized)
Matthias Kloseb159a552010-04-25 21:00:44 +00004814AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=is_term_resized]])],
4815 [AC_DEFINE(HAVE_CURSES_IS_TERM_RESIZED, 1, Define if you have the 'is_term_resized' function.)
4816 AC_MSG_RESULT(yes)],
4817 [AC_MSG_RESULT(no)]
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004818)
Martin v. Löwis24a880b2002-12-31 12:55:15 +00004819
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004820AC_MSG_CHECKING(for resize_term)
Matthias Kloseb159a552010-04-25 21:00:44 +00004821AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resize_term]])],
4822 [AC_DEFINE(HAVE_CURSES_RESIZE_TERM, 1, Define if you have the 'resize_term' function.)
4823 AC_MSG_RESULT(yes)],
4824 [AC_MSG_RESULT(no)]
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004825)
4826
4827AC_MSG_CHECKING(for resizeterm)
Matthias Kloseb159a552010-04-25 21:00:44 +00004828AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[void *x=resizeterm]])],
4829 [AC_DEFINE(HAVE_CURSES_RESIZETERM, 1, Define if you have the 'resizeterm' function.)
4830 AC_MSG_RESULT(yes)],
4831 [AC_MSG_RESULT(no)]
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004832)
doko@ubuntu.com9dc823d2012-07-07 03:06:42 +02004833# last curses configure check
4834CPPFLAGS=$ac_save_cppflags
Thomas Wouters0e3f5912006-08-11 14:57:12 +00004835
doko@ubuntu.comb457b9b2012-06-30 19:28:16 +02004836AC_MSG_NOTICE([checking for device files])
Thomas Wouters89f507f2006-12-13 04:49:30 +00004837
doko@ubuntu.comb457b9b2012-06-30 19:28:16 +02004838dnl NOTE: Inform user how to proceed with files when cross compiling.
4839if test "x$cross_compiling" = xyes; then
4840 if test "${ac_cv_file__dev_ptmx+set}" != set; then
4841 AC_MSG_CHECKING([for /dev/ptmx])
4842 AC_MSG_RESULT([not set])
4843 AC_MSG_ERROR([set ac_cv_file__dev_ptmx to yes/no in your CONFIG_SITE file when cross compiling])
4844 fi
4845 if test "${ac_cv_file__dev_ptc+set}" != set; then
4846 AC_MSG_CHECKING([for /dev/ptc])
4847 AC_MSG_RESULT([not set])
4848 AC_MSG_ERROR([set ac_cv_file__dev_ptc to yes/no in your CONFIG_SITE file when cross compiling])
4849 fi
Thomas Wouters89f507f2006-12-13 04:49:30 +00004850fi
4851
doko@ubuntu.comb457b9b2012-06-30 19:28:16 +02004852AC_CHECK_FILE(/dev/ptmx, [], [])
4853if test "x$ac_cv_file__dev_ptmx" = xyes; then
4854 AC_DEFINE(HAVE_DEV_PTMX, 1,
4855 [Define to 1 if you have the /dev/ptmx device file.])
4856fi
4857AC_CHECK_FILE(/dev/ptc, [], [])
4858if test "x$ac_cv_file__dev_ptc" = xyes; then
Thomas Wouters89f507f2006-12-13 04:49:30 +00004859 AC_DEFINE(HAVE_DEV_PTC, 1,
doko@ubuntu.comb457b9b2012-06-30 19:28:16 +02004860 [Define to 1 if you have the /dev/ptc device file.])
Thomas Wouters89f507f2006-12-13 04:49:30 +00004861fi
Neal Norwitz865400f2003-03-21 01:42:58 +00004862
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +00004863if test "$have_long_long" = yes
4864then
4865 AC_MSG_CHECKING(for %lld and %llu printf() format support)
4866 AC_CACHE_VAL(ac_cv_have_long_long_format,
Matthias Kloseb159a552010-04-25 21:00:44 +00004867 AC_RUN_IFELSE([AC_LANG_SOURCE([[[
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +00004868 #include <stdio.h>
4869 #include <stddef.h>
4870 #include <string.h>
4871
4872 #ifdef HAVE_SYS_TYPES_H
4873 #include <sys/types.h>
4874 #endif
4875
4876 int main()
4877 {
4878 char buffer[256];
4879
4880 if (sprintf(buffer, "%lld", (long long)123) < 0)
4881 return 1;
4882 if (strcmp(buffer, "123"))
4883 return 1;
4884
4885 if (sprintf(buffer, "%lld", (long long)-123) < 0)
4886 return 1;
4887 if (strcmp(buffer, "-123"))
4888 return 1;
4889
4890 if (sprintf(buffer, "%llu", (unsigned long long)123) < 0)
4891 return 1;
4892 if (strcmp(buffer, "123"))
4893 return 1;
4894
4895 return 0;
4896 }
Matthias Kloseb159a552010-04-25 21:00:44 +00004897 ]]])],
4898 [ac_cv_have_long_long_format=yes],
4899 [ac_cv_have_long_long_format=no],
Matthias Klose3b739b12012-03-15 19:31:06 +01004900 [ac_cv_have_long_long_format="cross -- assuming no"
4901 if test x$GCC = xyes; then
4902 save_CFLAGS=$CFLAGS
4903 CFLAGS="$CFLAGS -Werror -Wformat"
4904 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4905 #include <stdio.h>
4906 #include <stddef.h>
4907 ]], [[
4908 char *buffer;
4909 sprintf(buffer, "%lld", (long long)123);
4910 sprintf(buffer, "%lld", (long long)-123);
4911 sprintf(buffer, "%llu", (unsigned long long)123);
4912 ]])],
4913 ac_cv_have_long_long_format=yes
4914 )
4915 CFLAGS=$save_CFLAGS
4916 fi])
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +00004917 )
4918 AC_MSG_RESULT($ac_cv_have_long_long_format)
4919fi
4920
Mark Dickinson89d7d412009-12-31 20:50:59 +00004921if test "$ac_cv_have_long_long_format" = yes
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +00004922then
4923 AC_DEFINE(PY_FORMAT_LONG_LONG, "ll",
4924 [Define to printf format modifier for long long type])
4925fi
4926
Ronald Oussoren3c1928a2009-11-19 17:15:31 +00004927if test $ac_sys_system = Darwin
4928then
4929 LIBS="$LIBS -framework CoreFoundation"
4930fi
Mark Dickinson6ce4a9a2009-11-16 17:00:11 +00004931
Benjamin Peterson8f326b22009-12-13 02:10:36 +00004932AC_CACHE_CHECK([for %zd printf() format support], ac_cv_have_size_t_format, [dnl
Matthias Kloseb159a552010-04-25 21:00:44 +00004933AC_RUN_IFELSE([AC_LANG_SOURCE([[
Alexandre Vassalottie5091f62009-07-17 06:41:02 +00004934#include <stdio.h>
Thomas Wouters477c8d52006-05-27 19:21:47 +00004935#include <stddef.h>
4936#include <string.h>
4937
Christian Heimes2c181612007-12-17 20:04:13 +00004938#ifdef HAVE_SYS_TYPES_H
4939#include <sys/types.h>
4940#endif
Thomas Wouters89f507f2006-12-13 04:49:30 +00004941
4942#ifdef HAVE_SSIZE_T
4943typedef ssize_t Py_ssize_t;
4944#elif SIZEOF_VOID_P == SIZEOF_LONG
4945typedef long Py_ssize_t;
4946#else
4947typedef int Py_ssize_t;
4948#endif
Thomas Wouters477c8d52006-05-27 19:21:47 +00004949
Christian Heimes2c181612007-12-17 20:04:13 +00004950int main()
4951{
4952 char buffer[256];
4953
Thomas Wouters477c8d52006-05-27 19:21:47 +00004954 if(sprintf(buffer, "%zd", (size_t)123) < 0)
4955 return 1;
4956
Thomas Wouters89f507f2006-12-13 04:49:30 +00004957 if (strcmp(buffer, "123"))
Thomas Wouters477c8d52006-05-27 19:21:47 +00004958 return 1;
Thomas Wouters89f507f2006-12-13 04:49:30 +00004959
4960 if (sprintf(buffer, "%zd", (Py_ssize_t)-123) < 0)
4961 return 1;
4962
4963 if (strcmp(buffer, "-123"))
4964 return 1;
4965
Thomas Wouters477c8d52006-05-27 19:21:47 +00004966 return 0;
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004967}
Matthias Kloseb159a552010-04-25 21:00:44 +00004968]])],
4969 [ac_cv_have_size_t_format=yes],
4970 [ac_cv_have_size_t_format=no],
4971 [ac_cv_have_size_t_format="cross -- assuming yes"
4972])])
Benjamin Peterson8f326b22009-12-13 02:10:36 +00004973if test "$ac_cv_have_size_t_format" != no ; then
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004974 AC_DEFINE(PY_FORMAT_SIZE_T, "z",
4975 [Define to printf format modifier for Py_ssize_t])
4976fi
Thomas Wouters477c8d52006-05-27 19:21:47 +00004977
Martin v. Löwis01c04012002-11-11 14:58:44 +00004978AC_CHECK_TYPE(socklen_t,,
4979 AC_DEFINE(socklen_t,int,
Matthias Klosec80c93f2010-04-24 17:04:35 +00004980 [Define to `int' if <sys/socket.h> does not define.]),[
Martin v. Löwis01c04012002-11-11 14:58:44 +00004981#ifdef HAVE_SYS_TYPES_H
4982#include <sys/types.h>
4983#endif
Guido van Rossum95713eb2000-05-18 20:53:31 +00004984#ifdef HAVE_SYS_SOCKET_H
4985#include <sys/socket.h>
4986#endif
Martin v. Löwis01c04012002-11-11 14:58:44 +00004987])
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00004988
Antoine Pitroufff95302008-09-03 18:58:51 +00004989AC_MSG_CHECKING(for broken mbstowcs)
Alexandre Vassalotti7b0c1c72009-07-17 06:00:34 +00004990AC_CACHE_VAL(ac_cv_broken_mbstowcs,
Matthias Kloseb159a552010-04-25 21:00:44 +00004991AC_RUN_IFELSE([AC_LANG_SOURCE([[
Stefan Krah19c21392012-11-22 23:47:32 +01004992#include <stdio.h>
Antoine Pitroufff95302008-09-03 18:58:51 +00004993#include<stdlib.h>
4994int main() {
4995 size_t len = -1;
4996 const char *str = "text";
4997 len = mbstowcs(NULL, str, 0);
4998 return (len != 4);
4999}
Matthias Kloseb159a552010-04-25 21:00:44 +00005000]])],
5001[ac_cv_broken_mbstowcs=no],
5002[ac_cv_broken_mbstowcs=yes],
5003[ac_cv_broken_mbstowcs=no]))
Antoine Pitroufff95302008-09-03 18:58:51 +00005004AC_MSG_RESULT($ac_cv_broken_mbstowcs)
5005if test "$ac_cv_broken_mbstowcs" = yes
5006then
5007 AC_DEFINE(HAVE_BROKEN_MBSTOWCS, 1,
Victor Stinner1b80b242016-04-12 22:34:58 +02005008 [Define if mbstowcs(NULL, "text", 0) does not return the number of
Antoine Pitroufff95302008-09-03 18:58:51 +00005009 wide chars that would be converted.])
5010fi
5011
Antoine Pitroub52ec782009-01-25 16:34:23 +00005012# Check for --with-computed-gotos
5013AC_MSG_CHECKING(for --with-computed-gotos)
5014AC_ARG_WITH(computed-gotos,
Antoine Pitrou042b1282010-08-13 21:15:58 +00005015 AS_HELP_STRING([--with(out)-computed-gotos],
5016 [Use computed gotos in evaluation loop (enabled by default on supported compilers)]),
Antoine Pitroub52ec782009-01-25 16:34:23 +00005017[
Antoine Pitrou042b1282010-08-13 21:15:58 +00005018if test "$withval" = yes
Victor Stinner1b80b242016-04-12 22:34:58 +02005019then
Antoine Pitroub52ec782009-01-25 16:34:23 +00005020 AC_DEFINE(USE_COMPUTED_GOTOS, 1,
Victor Stinner1b80b242016-04-12 22:34:58 +02005021 [Define if you want to use computed gotos in ceval.c.])
Antoine Pitroub52ec782009-01-25 16:34:23 +00005022 AC_MSG_RESULT(yes)
Antoine Pitrou042b1282010-08-13 21:15:58 +00005023fi
5024if test "$withval" = no
Victor Stinner1b80b242016-04-12 22:34:58 +02005025then
Antoine Pitrou042b1282010-08-13 21:15:58 +00005026 AC_DEFINE(USE_COMPUTED_GOTOS, 0,
Victor Stinner1b80b242016-04-12 22:34:58 +02005027 [Define if you want to use computed gotos in ceval.c.])
Antoine Pitrou042b1282010-08-13 21:15:58 +00005028 AC_MSG_RESULT(no)
5029fi
5030],
5031[AC_MSG_RESULT(no value specified)])
Antoine Pitroub52ec782009-01-25 16:34:23 +00005032
Matthias Kloseb17289e2012-03-15 19:51:34 +01005033AC_MSG_CHECKING(whether $CC supports computed gotos)
5034AC_CACHE_VAL(ac_cv_computed_gotos,
5035AC_RUN_IFELSE([AC_LANG_SOURCE([[[
5036int main(int argc, char **argv)
5037{
5038 static void *targets[1] = { &&LABEL1 };
5039 goto LABEL2;
5040LABEL1:
5041 return 0;
5042LABEL2:
5043 goto *targets[0];
5044 return 1;
5045}
5046]]])],
5047[ac_cv_computed_gotos=yes],
5048[ac_cv_computed_gotos=no],
5049[if test "${with_computed_gotos+set}" = set; then
5050 ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
5051 else
5052 ac_cv_computed_gotos=no
5053 fi]))
5054AC_MSG_RESULT($ac_cv_computed_gotos)
5055case "$ac_cv_computed_gotos" in yes*)
5056 AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
5057 [Define if the C compiler supports computed gotos.])
5058esac
5059
R. David Murraye16cda92010-10-15 23:12:57 +00005060case $ac_sys_system in
Victor Stinner1b80b242016-04-12 22:34:58 +02005061AIX*)
R. David Murraye16cda92010-10-15 23:12:57 +00005062 AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;;
5063esac
Antoine Pitroub52ec782009-01-25 16:34:23 +00005064
Jesus Cea6a792292010-05-03 21:18:48 +00005065
Martin v. Löwis06f15bb2001-12-02 13:02:32 +00005066AC_SUBST(THREADHEADERS)
5067
5068for h in `(cd $srcdir;echo Python/thread_*.h)`
5069do
5070 THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
5071done
5072
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00005073AC_SUBST(SRCDIRS)
Ned Deily0db50cf2014-07-25 12:41:31 -07005074SRCDIRS="Parser Grammar Objects Python Modules Mac Programs"
Andrew M. Kuchling8abedde2001-01-26 22:55:24 +00005075AC_MSG_CHECKING(for build directories)
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00005076for dir in $SRCDIRS; do
5077 if test ! -d $dir; then
5078 mkdir $dir
Fred Drake884d3ba2000-11-02 17:52:56 +00005079 fi
Neil Schemenauer55f0cf32001-01-24 17:24:33 +00005080done
5081AC_MSG_RESULT(done)
Fred Drake036144d2000-10-26 17:09:35 +00005082
Stefan Krah1919b7e2012-03-21 18:25:23 +01005083# Availability of -O2:
5084AC_MSG_CHECKING(for -O2)
5085saved_cflags="$CFLAGS"
5086CFLAGS="-O2"
5087AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
5088]])],[have_O2=yes],[have_O2=no])
5089AC_MSG_RESULT($have_O2)
5090CFLAGS="$saved_cflags"
5091
5092# _FORTIFY_SOURCE wrappers for memmove and bcopy are incorrect:
5093# http://sourceware.org/ml/libc-alpha/2010-12/msg00009.html
5094AC_MSG_CHECKING(for glibc _FORTIFY_SOURCE/memmove bug)
5095saved_cflags="$CFLAGS"
5096CFLAGS="-O2 -D_FORTIFY_SOURCE=2"
5097if test "$have_O2" = no; then
5098 CFLAGS=""
5099fi
5100AC_RUN_IFELSE([AC_LANG_SOURCE([[
5101#include <stdio.h>
5102#include <stdlib.h>
5103#include <string.h>
5104void foo(void *p, void *q) { memmove(p, q, 19); }
5105int main() {
5106 char a[32] = "123456789000000000";
5107 foo(&a[9], a);
5108 if (strcmp(a, "123456789123456789000000000") != 0)
5109 return 1;
5110 foo(a, &a[9]);
5111 if (strcmp(a, "123456789000000000") != 0)
5112 return 1;
5113 return 0;
5114}
5115]])],
5116[have_glibc_memmove_bug=no],
5117[have_glibc_memmove_bug=yes],
5118[have_glibc_memmove_bug=undefined])
5119CFLAGS="$saved_cflags"
5120AC_MSG_RESULT($have_glibc_memmove_bug)
5121if test "$have_glibc_memmove_bug" = yes; then
5122 AC_DEFINE(HAVE_GLIBC_MEMMOVE_BUG, 1,
5123 [Define if glibc has incorrect _FORTIFY_SOURCE wrappers
5124 for memmove and bcopy.])
5125fi
5126
5127if test "$have_gcc_asm_for_x87" = yes; then
5128 # Some versions of gcc miscompile inline asm:
5129 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491
5130 # http://gcc.gnu.org/ml/gcc/2010-11/msg00366.html
5131 case $CC in
5132 *gcc*)
5133 AC_MSG_CHECKING(for gcc ipa-pure-const bug)
5134 saved_cflags="$CFLAGS"
5135 CFLAGS="-O2"
5136 AC_RUN_IFELSE([AC_LANG_SOURCE([[
5137 __attribute__((noinline)) int
5138 foo(int *p) {
5139 int r;
5140 asm ( "movl \$6, (%1)\n\t"
5141 "xorl %0, %0\n\t"
5142 : "=r" (r) : "r" (p) : "memory"
5143 );
5144 return r;
5145 }
5146 int main() {
5147 int p = 8;
5148 if ((foo(&p) ? : p) != 6)
5149 return 1;
5150 return 0;
5151 }
5152 ]])],
5153 [have_ipa_pure_const_bug=no],
5154 [have_ipa_pure_const_bug=yes],
5155 [have_ipa_pure_const_bug=undefined])
5156 CFLAGS="$saved_cflags"
5157 AC_MSG_RESULT($have_ipa_pure_const_bug)
5158 if test "$have_ipa_pure_const_bug" = yes; then
5159 AC_DEFINE(HAVE_IPA_PURE_CONST_BUG, 1,
5160 [Define if gcc has the ipa-pure-const bug.])
5161 fi
5162 ;;
5163 esac
5164fi
5165
Victor Stinner4f5366e2015-01-09 02:13:19 +01005166# Check for stdatomic.h
5167AC_MSG_CHECKING(for stdatomic.h)
5168AC_LINK_IFELSE(
5169[
5170 AC_LANG_SOURCE([[
5171 #include <stdatomic.h>
Victor Stinner923e06f2015-01-14 16:01:46 +01005172 atomic_int value = ATOMIC_VAR_INIT(1);
5173 _Atomic void *py_atomic_address = (void*) &value;
Victor Stinner4f5366e2015-01-09 02:13:19 +01005174 int main() {
5175 int loaded_value = atomic_load(&value);
5176 return 0;
5177 }
5178 ]])
5179],[have_stdatomic_h=yes],[have_stdatomic_h=no])
5180
5181AC_MSG_RESULT($have_stdatomic_h)
5182
5183if test "$have_stdatomic_h" = yes; then
Victor Stinner923e06f2015-01-14 16:01:46 +01005184 AC_DEFINE(HAVE_STD_ATOMIC, 1,
5185 [Has stdatomic.h, atomic_int and _Atomic void* types work])
Victor Stinner4f5366e2015-01-09 02:13:19 +01005186fi
5187
5188# Check for GCC >= 4.7 __atomic builtins
5189AC_MSG_CHECKING(for GCC >= 4.7 __atomic builtins)
5190AC_LINK_IFELSE(
5191[
5192 AC_LANG_SOURCE([[
5193 volatile int val = 1;
5194 int main() {
5195 __atomic_load_n(&val, __ATOMIC_SEQ_CST);
5196 return 0;
5197 }
5198 ]])
5199],[have_builtin_atomic=yes],[have_builtin_atomic=no])
5200
5201AC_MSG_RESULT($have_builtin_atomic)
5202
5203if test "$have_builtin_atomic" = yes; then
5204 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Has builtin atomics])
5205fi
5206
Ned Deily322f5ba2013-11-21 23:01:59 -08005207# ensurepip option
5208AC_MSG_CHECKING(for ensurepip)
5209AC_ARG_WITH(ensurepip,
5210 [AS_HELP_STRING([--with(out)-ensurepip=@<:@=upgrade@:>@],
5211 ["install" or "upgrade" using bundled pip])],
5212 [],
5213 [with_ensurepip=upgrade])
5214AS_CASE($with_ensurepip,
5215 [yes|upgrade],[ENSUREPIP=upgrade],
5216 [install],[ENSUREPIP=install],
5217 [no],[ENSUREPIP=no],
5218 [AC_MSG_ERROR([--with-ensurepip=upgrade|install|no])])
5219AC_MSG_RESULT($ENSUREPIP)
5220AC_SUBST(ENSUREPIP)
5221
Victor Stinner35a97c02015-03-08 02:59:09 +01005222# check if the dirent structure of a d_type field and DT_UNKNOWN is defined
5223AC_MSG_CHECKING(if the dirent structure of a d_type field)
5224AC_LINK_IFELSE(
5225[
5226 AC_LANG_SOURCE([[
5227 #include <dirent.h>
5228
5229 int main() {
5230 struct dirent entry;
5231 return entry.d_type == DT_UNKNOWN;
5232 }
5233 ]])
5234],[have_dirent_d_type=yes],[have_dirent_d_type=no])
5235AC_MSG_RESULT($have_dirent_d_type)
5236
5237if test "$have_dirent_d_type" = yes; then
5238 AC_DEFINE(HAVE_DIRENT_D_TYPE, 1,
5239 [Define to 1 if the dirent structure has a d_type field])
5240fi
5241
Victor Stinner9eb57c52015-03-19 22:21:49 +01005242# check if the Linux getrandom() syscall is available
5243AC_MSG_CHECKING(for the Linux getrandom() syscall)
5244AC_LINK_IFELSE(
5245[
5246 AC_LANG_SOURCE([[
Victor Stinner1b80b242016-04-12 22:34:58 +02005247 #include <unistd.h>
Victor Stinner9eb57c52015-03-19 22:21:49 +01005248 #include <sys/syscall.h>
5249
5250 int main() {
Victor Stinner9eb57c52015-03-19 22:21:49 +01005251 char buffer[1];
Victor Stinner3abf44e2015-09-18 15:38:37 +02005252 const size_t buflen = sizeof(buffer);
5253 const int flags = 0;
Victor Stinner9eb57c52015-03-19 22:21:49 +01005254 /* ignore the result, Python checks for ENOSYS at runtime */
Victor Stinner3abf44e2015-09-18 15:38:37 +02005255 (void)syscall(SYS_getrandom, buffer, buflen, flags);
Victor Stinner9eb57c52015-03-19 22:21:49 +01005256 return 0;
5257 }
5258 ]])
5259],[have_getrandom_syscall=yes],[have_getrandom_syscall=no])
5260AC_MSG_RESULT($have_getrandom_syscall)
5261
5262if test "$have_getrandom_syscall" = yes; then
5263 AC_DEFINE(HAVE_GETRANDOM_SYSCALL, 1,
5264 [Define to 1 if the Linux getrandom() syscall is available])
5265fi
5266
Victor Stinner3abf44e2015-09-18 15:38:37 +02005267# check if the getrandom() function is available
5268# the test was written for the Solaris function of <sys/random.h>
5269AC_MSG_CHECKING(for the getrandom() function)
5270AC_LINK_IFELSE(
5271[
5272 AC_LANG_SOURCE([[
5273 #include <sys/random.h>
5274
5275 int main() {
5276 char buffer[1];
5277 const size_t buflen = sizeof(buffer);
5278 const int flags = 0;
5279 /* ignore the result, Python checks for ENOSYS at runtime */
5280 (void)getrandom(buffer, buflen, flags);
5281 return 0;
5282 }
5283 ]])
5284],[have_getrandom=yes],[have_getrandom=no])
5285AC_MSG_RESULT($have_getrandom)
5286
5287if test "$have_getrandom" = yes; then
5288 AC_DEFINE(HAVE_GETRANDOM, 1,
5289 [Define to 1 if the getrandom() function is available])
5290fi
5291
Guido van Rossum627b2d71993-12-24 10:39:16 +00005292# generate output files
doko@python.org87421192013-01-26 11:39:31 +01005293AC_CONFIG_FILES(Makefile.pre Modules/Setup.config Misc/python.pc Misc/python-config.sh)
Antoine Pitrou8e6b4072010-09-10 19:44:44 +00005294AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix])
Martin v. Löwis88afe662002-10-26 13:47:44 +00005295AC_OUTPUT
Neil Schemenauer61c51152001-01-26 16:18:16 +00005296
Christian Heimes75ed8902013-11-20 01:11:18 +01005297echo "creating Modules/Setup" >&AS_MESSAGE_FD
Neil Schemenauer61c51152001-01-26 16:18:16 +00005298if test ! -f Modules/Setup
5299then
5300 cp $srcdir/Modules/Setup.dist Modules/Setup
5301fi
5302
Christian Heimes75ed8902013-11-20 01:11:18 +01005303echo "creating Modules/Setup.local" >&AS_MESSAGE_FD
Neil Schemenauer61c51152001-01-26 16:18:16 +00005304if test ! -f Modules/Setup.local
5305then
5306 echo "# Edit this file for local setup changes" >Modules/Setup.local
5307fi
5308
Christian Heimes75ed8902013-11-20 01:11:18 +01005309echo "creating Makefile" >&AS_MESSAGE_FD
Neil Schemenauer61c51152001-01-26 16:18:16 +00005310$SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \
5311 -s Modules Modules/Setup.config \
Neil Schemenauerf8b71c52001-04-21 17:41:16 +00005312 Modules/Setup.local Modules/Setup
Neil Schemenauer66252162001-02-19 04:47:42 +00005313mv config.c Modules