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configure.in@ 3388

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Last change on this file since 3388 was 3369, checked in by bird, 18 years ago
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1	dnl Process this file with autoconf 2.0 or later to make a configure script.
2
3	# Set VERSION so we only need to edit in one place (i.e., here)
4	m4_define(PYTHON_VERSION, 2.5)
5
6	AC_REVISION($Revision: 51727 $)
7	AC_PREREQ(2.59)
8	AC_INIT(python, PYTHON_VERSION, http://www.python.org/python-bugs)
9	AC_CONFIG_SRCDIR([Include/object.h])
10	AC_CONFIG_HEADER(pyconfig.h)
11
12	dnl This is for stuff that absolutely must end up in pyconfig.h.
13	dnl Please use pyport.h instead, if possible.
14	AH_TOP([
15	#ifndef Py_PYCONFIG_H
16	#define Py_PYCONFIG_H
17	])
18	AH_BOTTOM([
19	/* Define the macros needed if on a UnixWare 7.x system. */
20	#if defined(__USLC__) && defined(__SCO_VERSION__)
21	#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
22	#endif
23
24	#endif /Py_PYCONFIG_H/
25	])
26
27	# We don't use PACKAGE_ variables, and they cause conflicts
28	# with other autoconf-based packages that include Python.h
29	grep -v 'define PACKAGE_' <confdefs.h >confdefs.h.new
30	rm confdefs.h
31	mv confdefs.h.new confdefs.h
32
33	AC_SUBST(VERSION)
34	VERSION=PYTHON_VERSION
35
36	AC_SUBST(SOVERSION)
37	SOVERSION=1.0
38
39	# The later defininition of _XOPEN_SOURCE disables certain features
40	# on Linux, so we need _GNU_SOURCE to re-enable them (makedev, tm_zone).
41	AC_DEFINE(_GNU_SOURCE, 1, [Define on Linux to activate all library features])
42
43	# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
44	# certain features on NetBSD, so we need _NETBSD_SOURCE to re-enable
45	# them.
46	AC_DEFINE(_NETBSD_SOURCE, 1, [Define on NetBSD to activate all library features])
47
48	# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
49	# certain features on FreeBSD, so we need __BSD_VISIBLE to re-enable
50	# them.
51	AC_DEFINE(__BSD_VISIBLE, 1, [Define on FreeBSD to activate all library features])
52
53	# The later defininition of _XOPEN_SOURCE and _POSIX_C_SOURCE disables
54	# u_int on Irix 5.3. Defining _BSD_TYPES brings it back.
55	AC_DEFINE(_BSD_TYPES, 1, [Define on Irix to enable u_int])
56
57	define_xopen_source=yes
58
59	# Arguments passed to configure.
60	AC_SUBST(CONFIG_ARGS)
61	CONFIG_ARGS="$ac_configure_args"
62
63	AC_ARG_ENABLE(universalsdk,
64	AC_HELP_STRING(--enable-universalsdk@<:@SDKDIR@:>@, Build agains Mac OS X 10.4u SDK (ppc/i386)),
65	[
66	case $enableval in
67	yes)
68	enableval=/Developer/SDKs/MacOSX10.4u.sdk
69	;;
70	esac
71	case $enableval in
72	no)
73	UNIVERSALSDK=
74	enable_universalsdk=
75	;;
76	*)
77	UNIVERSALSDK=$enableval
78	;;
79	esac
80	],[
81	UNIVERSALSDK=
82	enable_universalsdk=
83	])
84	AC_SUBST(UNIVERSALSDK)
85
86	dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
87	AC_ARG_ENABLE(framework,
88	AC_HELP_STRING(--enable-framework@<:@=INSTALLDIR@:>@, Build (MacOSX\|Darwin) framework),
89	[
90	case $enableval in
91	yes)
92	enableval=/Library/Frameworks
93	esac
94	case $enableval in
95	no)
96	PYTHONFRAMEWORK=
97	PYTHONFRAMEWORKDIR=no-framework
98	PYTHONFRAMEWORKPREFIX=
99	PYTHONFRAMEWORKINSTALLDIR=
100	FRAMEWORKINSTALLFIRST=
101	FRAMEWORKINSTALLLAST=
102	FRAMEWORKALTINSTALLFIRST=
103	FRAMEWORKALTINSTALLLAST=
104	if test "x${prefix}" = "xNONE"; then
105	FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
106	else
107	FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
108	fi
109	enable_framework=
110	;;
111	*)
112	PYTHONFRAMEWORK=Python
113	PYTHONFRAMEWORKDIR=Python.framework
114	PYTHONFRAMEWORKPREFIX=$enableval
115	PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
116	FRAMEWORKINSTALLFIRST="frameworkinstallstructure"
117	FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools"
118	FRAMEWORKALTINSTALLFIRST="${FRAMEWORKINSTALLFIRST} bininstall maninstall"
119	FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkaltinstallunixtools"
120	if test "x${prefix}" = "xNONE" ; then
121	FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
122	else
123	FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
124	fi
125	prefix=$PYTHONFRAMEWORKINSTALLDIR/Versions/$VERSION
126
127	# Add makefiles for Mac specific code to the list of output
128	# files:
129	AC_CONFIG_FILES(Mac/Makefile)
130	AC_CONFIG_FILES(Mac/PythonLauncher/Makefile)
131	AC_CONFIG_FILES(Mac/IDLE/Makefile)
132	esac
133	],[
134	PYTHONFRAMEWORK=
135	PYTHONFRAMEWORKDIR=no-framework
136	PYTHONFRAMEWORKPREFIX=
137	PYTHONFRAMEWORKINSTALLDIR=
138	FRAMEWORKINSTALLFIRST=
139	FRAMEWORKINSTALLLAST=
140	FRAMEWORKALTINSTALLFIRST=
141	FRAMEWORKALTINSTALLLAST=
142	if test "x${prefix}" = "xNONE" ; then
143	FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
144	else
145	FRAMEWORKUNIXTOOLSPREFIX="${prefix}"
146	fi
147	enable_framework=
148	])
149	AC_SUBST(PYTHONFRAMEWORK)
150	AC_SUBST(PYTHONFRAMEWORKDIR)
151	AC_SUBST(PYTHONFRAMEWORKPREFIX)
152	AC_SUBST(PYTHONFRAMEWORKINSTALLDIR)
153	AC_SUBST(FRAMEWORKINSTALLFIRST)
154	AC_SUBST(FRAMEWORKINSTALLLAST)
155	AC_SUBST(FRAMEWORKALTINSTALLFIRST)
156	AC_SUBST(FRAMEWORKALTINSTALLLAST)
157	AC_SUBST(FRAMEWORKUNIXTOOLSPREFIX)
158
159	##AC_ARG_WITH(dyld,
160	## AC_HELP_STRING(--with-dyld,
161	## Use (OpenStep\|Rhapsody) dynamic linker))
162	##
163	# Set name for machine-dependent library files
164	AC_SUBST(MACHDEP)
165	AC_MSG_CHECKING(MACHDEP)
166	if test -z "$MACHDEP"
167	then
168	ac_sys_system=`uname -s`
169	if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64" \
170	-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
171	ac_sys_release=`uname -v`
172	else
173	ac_sys_release=`uname -r`
174	fi
175	ac_md_system=`echo $ac_sys_system \|
176	tr -d '[/ ]' \| tr '[[A-Z]]' '[[a-z]]'`
177	ac_md_release=`echo $ac_sys_release \|
178	tr -d '[/ ]' \| sed 's/^[[A-Z]]\.//' \| sed 's/\..*//'`
179	MACHDEP="$ac_md_system$ac_md_release"
180
181	case $MACHDEP in
182	cygwin*) MACHDEP="cygwin";;
183	darwin*) MACHDEP="darwin";;
184	atheos*) MACHDEP="atheos";;
185	irix646) MACHDEP="irix6";;
186	os2\|emx) MACHDEP="emx";;
187
188	'') MACHDEP="unknown";;
189	esac
190	fi
191
192	# Some systems cannot stand _XOPEN_SOURCE being defined at all; they
193	# disable features if it is defined, without any means to access these
194	# features as extensions. For these systems, we skip the definition of
195	# _XOPEN_SOURCE. Before adding a system to the list to gain access to
196	# some feature, make sure there is no alternative way to access this
197	# feature. Also, when using wildcards, make sure you have verified the
198	# need for not defining _XOPEN_SOURCE on all systems matching the
199	# wildcard, and that the wildcard does not include future systems
200	# (which may remove their limitations).
201	dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
202	case $ac_sys_system/$ac_sys_release in
203	# On OpenBSD, select(2) is not available if _XOPEN_SOURCE is defined,
204	# even though select is a POSIX function. Reported by J. Ribbens.
205	# Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish.
206	OpenBSD/2.* \| OpenBSD/3.@<:@0123456789@:>@ \| OpenBSD/4.@<:@0@:>@)
207	define_xopen_source=no;;
208	# On Solaris 2.6, sys/wait.h is inconsistent in the usage
209	# of union __?sigval. Reported by Stuart Bishop.
210	SunOS/5.6)
211	define_xopen_source=no;;
212	# On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
213	# but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
214	# Reconfirmed for 7.1.4 by Martin v. Loewis.
215	OpenUNIX/8.0.0\| UnixWare/7.1.@<:@0-4@:>@)
216	define_xopen_source=no;;
217	# On OpenServer 5, u_short is never defined with _XOPEN_SOURCE,
218	# but used in struct sockaddr.sa_family. Reported by Tim Rice.
219	SCO_SV/3.2)
220	define_xopen_source=no;;
221	# On FreeBSD 4.8 and MacOS X 10.2, a bug in ncurses.h means that
222	# it craps out if _XOPEN_EXTENDED_SOURCE is defined. Apparently,
223	# this is fixed in 10.3, which identifies itself as Darwin/7.*
224	# This should hopefully be fixed in FreeBSD 4.9
225	FreeBSD/4.8* \| Darwin/6* )
226	define_xopen_source=no;;
227	# On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
228	# used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
229	# or has another value. By not (re)defining it, the defaults come in place.
230	AIX/4)
231	define_xopen_source=no;;
232	AIX/5)
233	if test `uname -r` -eq 1; then
234	define_xopen_source=no
235	fi
236	;;
237	# On Mac OS X 10.4, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
238	# disables platform specific features beyond repair.
239	# On Mac OS X 10.3, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
240	# has no effect, don't bother defining them
241	Darwin/@<:@789@:>@.*)
242	define_xopen_source=no
243	;;
244
245	esac
246
247	if test $define_xopen_source = yes
248	then
249	# On Solaris w/ g++ it appears that _XOPEN_SOURCE has to be
250	# defined precisely as g++ defines it
251	# Furthermore, on Solaris 10, XPG6 requires the use of a C99
252	# compiler
253	case $ac_sys_system/$ac_sys_release in
254	SunOS/5.8\|SunOS/5.9\|SunOS/5.10)
255	AC_DEFINE(_XOPEN_SOURCE, 500,
256	Define to the level of X/Open that your system supports)
257	;;
258	*)
259	AC_DEFINE(_XOPEN_SOURCE, 600,
260	Define to the level of X/Open that your system supports)
261	;;
262	esac
263
264	# On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires
265	# definition of _XOPEN_SOURCE_EXTENDED and _POSIX_C_SOURCE, or else
266	# several APIs are not declared. Since this is also needed in some
267	# cases for HP-UX, we define it globally.
268	# except for Solaris 10, where it must not be defined,
269	# as it implies XPG4.2
270	case $ac_sys_system/$ac_sys_release in
271	SunOS/5.10)
272	;;
273	*)
274	AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1,
275	Define to activate Unix95-and-earlier features)
276	;;
277	esac
278
279	AC_DEFINE(_POSIX_C_SOURCE, 200112L, Define to activate features from IEEE Stds 1003.1-2001)
280
281	fi
282
283	#
284	# SGI compilers allow the specification of the both the ABI and the
285	# ISA on the command line. Depending on the values of these switches,
286	# different and often incompatable code will be generated.
287	#
288	# The SGI_ABI variable can be used to modify the CC and LDFLAGS and
289	# thus supply support for various ABI/ISA combinations. The MACHDEP
290	# variable is also adjusted.
291	#
292	AC_SUBST(SGI_ABI)
293	if test ! -z "$SGI_ABI"
294	then
295	CC="cc $SGI_ABI"
296	LDFLAGS="$SGI_ABI $LDFLAGS"
297	MACHDEP=`echo "${MACHDEP}${SGI_ABI}" \| sed 's/ *//g'`
298	fi
299	AC_MSG_RESULT($MACHDEP)
300
301	# And add extra plat-mac for darwin
302	AC_SUBST(EXTRAPLATDIR)
303	AC_SUBST(EXTRAMACHDEPPATH)
304	AC_MSG_CHECKING(EXTRAPLATDIR)
305	if test -z "$EXTRAPLATDIR"
306	then
307	case $MACHDEP in
308	darwin)
309	EXTRAPLATDIR="\$(PLATMACDIRS)"
310	EXTRAMACHDEPPATH="\$(PLATMACPATH)"
311	;;
312	*)
313	EXTRAPLATDIR=""
314	EXTRAMACHDEPPATH=""
315	;;
316	esac
317	fi
318	AC_MSG_RESULT($EXTRAPLATDIR)
319
320	# Record the configure-time value of MACOSX_DEPLOYMENT_TARGET,
321	# it may influence the way we can build extensions, so distutils
322	# needs to check it
323	AC_SUBST(CONFIGURE_MACOSX_DEPLOYMENT_TARGET)
324	AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
325	CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
326	EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
327
328	# checks for alternative programs
329
330	# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
331	# for debug/optimization stuff. BASECFLAGS is for flags that are required
332	# just to get things to compile and link. Users are free to override OPT
333	# when running configure or make. The build should not break if they do.
334	# BASECFLAGS should generally not be messed with, however.
335
336	# XXX shouldn't some/most/all of this code be merged with the stuff later
337	# on that fiddles with OPT and BASECFLAGS?
338	AC_MSG_CHECKING(for --without-gcc)
339	AC_ARG_WITH(gcc,
340	AC_HELP_STRING(--without-gcc,never use gcc),
341	[
342	case $withval in
343	no) CC=cc
344	without_gcc=yes;;
345	yes) CC=gcc
346	without_gcc=no;;
347	*) CC=$withval
348	without_gcc=$withval;;
349	esac], [
350	case $ac_sys_system in
351	AIX*) CC=cc_r
352	without_gcc=;;
353	BeOS*)
354	case $BE_HOST_CPU in
355	ppc)
356	CC=mwcc
357	without_gcc=yes
358	BASECFLAGS="$BASECFLAGS -export pragma"
359	OPT="$OPT -O"
360	LDFLAGS="$LDFLAGS -nodup"
361	;;
362	x86)
363	CC=gcc
364	without_gcc=no
365	OPT="$OPT -O"
366	;;
367	*)
368	AC_MSG_ERROR([Unknown BeOS platform "$BE_HOST_CPU"])
369	;;
370	esac
371	AR="\$(srcdir)/Modules/ar_beos"
372	RANLIB=:
373	;;
374	Monterey*)
375	RANLIB=:
376	without_gcc=;;
377	*) without_gcc=no;;
378	esac])
379	AC_MSG_RESULT($without_gcc)
380
381	# If the user switches compilers, we can't believe the cache
382	if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
383	then
384	AC_MSG_ERROR([cached CC is different -- throw away $cache_file
385	(it is also a good idea to do 'make clean' before compiling)])
386	fi
387
388	AC_PROG_CC
389
390	AC_SUBST(CXX)
391	AC_SUBST(MAINCC)
392	AC_MSG_CHECKING(for --with-cxx-main=<compiler>)
393	AC_ARG_WITH(cxx_main,
394	AC_HELP_STRING([--with-cxx-main=<compiler>],
395	[compile main() and link python executable with C++ compiler]),
396	[
397
398	case $withval in
399	no) with_cxx_main=no
400	MAINCC='$(CC)';;
401	yes) with_cxx_main=yes
402	MAINCC='$(CXX)';;
403	*) with_cxx_main=yes
404	MAINCC=$withval
405	if test -z "$CXX"
406	then
407	CXX=$withval
408	fi;;
409	esac], [
410	with_cxx_main=no
411	MAINCC='$(CC)'
412	])
413	AC_MSG_RESULT($with_cxx_main)
414
415	preset_cxx="$CXX"
416	if test -z "$CXX"
417	then
418	case "$CC" in
419	gcc) AC_PATH_PROG(CXX, [g++], [g++], [notfound]) ;;
420	cc) AC_PATH_PROG(CXX, [c++], [c++], [notfound]) ;;
421	esac
422	if test "$CXX" = "notfound"
423	then
424	CXX=""
425	fi
426	fi
427	if test -z "$CXX"
428	then
429	AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
430	if test "$CXX" = "notfound"
431	then
432	CXX=""
433	fi
434	fi
435	if test "$preset_cxx" != "$CXX"
436	then
437	AC_MSG_WARN([
438
439	By default, distutils will build C++ extension modules with "$CXX".
440	If this is not intended, then set CXX on the configure command line.
441	])
442	fi
443
444
445	# checks for UNIX variants that set C preprocessor variables
446	AC_AIX
447
448	# Check for unsupported systems
449	case $ac_sys_system/$ac_sys_release in
450	Linux/1)
451	echo This system $$ac_sys_system/$ac_sys_release$ is no longer supported.
452	echo See README for details.
453	exit 1;;
454	esac
455
456	AC_EXEEXT
457	AC_MSG_CHECKING(for --with-suffix)
458	AC_ARG_WITH(suffix,
459	AC_HELP_STRING(--with-suffix=.exe, set executable suffix),
460	[
461	case $withval in
462	no) EXEEXT=;;
463	yes) EXEEXT=.exe;;
464	*) EXEEXT=$withval;;
465	esac])
466	AC_MSG_RESULT($EXEEXT)
467
468	# Test whether we're running on a non-case-sensitive system, in which
469	# case we give a warning if no ext is given
470	AC_SUBST(BUILDEXEEXT)
471	AC_MSG_CHECKING(for case-insensitive build directory)
472	if test ! -d CaseSensitiveTestDir; then
473	mkdir CaseSensitiveTestDir
474	fi
475
476	if test -d casesensitivetestdir
477	then
478	AC_MSG_RESULT(yes)
479	BUILDEXEEXT=.exe
480	else
481	AC_MSG_RESULT(no)
482	BUILDEXEEXT=$EXEEXT
483	fi
484	rmdir CaseSensitiveTestDir
485
486	case $MACHDEP in
487	bsdos*)
488	case $CC in
489	gcc) CC="$CC -D_HAVE_BSDI";;
490	esac;;
491	os2\|emx)
492	CC="$CC -DPYOS_OS2=1 -DPYCC_GCC=1"
493	;;
494	esac
495
496	case $ac_sys_system in
497	hp\|HP)
498	case $CC in
499	cc\|*/cc) CC="$CC -Ae";;
500	esac;;
501	Monterey*)
502	case $CC in
503	cc) CC="$CC -Wl,-Bexport";;
504	esac;;
505	SunOS*)
506	# Some functions have a prototype only with that define, e.g. confstr
507	AC_DEFINE(__EXTENSIONS__, 1, [Defined on Solaris to see additional function prototypes.])
508	;;
509	esac
510
511
512	AC_SUBST(LIBRARY)
513	AC_MSG_CHECKING(LIBRARY)
514	if test -z "$LIBRARY"
515	then
516	LIBRARY='libpython$(VERSION).a'
517	fi
518	AC_MSG_RESULT($LIBRARY)
519
520	# LDLIBRARY is the name of the library to link against (as opposed to the
521	# name of the library into which to insert object files). BLDLIBRARY is also
522	# the library to link against, usually. On Mac OS X frameworks, BLDLIBRARY
523	# is blank as the main program is not linked directly against LDLIBRARY.
524	# LDLIBRARYDIR is the path to LDLIBRARY, which is made in a subdirectory. On
525	# systems without shared libraries, LDLIBRARY is the same as LIBRARY
526	# (defined in the Makefiles). On Cygwin and OS/2 LDLIBRARY is the import
527	# library, DLLLIBRARY is the shared (i.e., DLL) library.
528	#
529	# RUNSHARED is used to run shared python without installed libraries
530	#
531	# INSTSONAME is the name of the shared library that will be use to install
532	# on the system - some systems like version suffix, others don't
533	AC_SUBST(LDLIBRARY)
534	AC_SUBST(DLLLIBRARY)
535	AC_SUBST(BLDLIBRARY)
536	AC_SUBST(LDLIBRARYDIR)
537	AC_SUBST(INSTSONAME)
538	AC_SUBST(RUNSHARED)
539	LDLIBRARY="$LIBRARY"
540	BLDLIBRARY='$(LDLIBRARY)'
541	INSTSONAME='$(LDLIBRARY)'
542	DLLLIBRARY=''
543	LDLIBRARYDIR=''
544	RUNSHARED=''
545
546	# LINKCC is the command that links the python executable -- default is $(CC).
547	# If CXX is set, and if it is needed to link a main function that was
548	# compiled with CXX, LINKCC is CXX instead. Always using CXX is undesirable:
549	# python might then depend on the C++ runtime
550	# This is altered for AIX in order to build the export list before
551	# linking.
552	AC_SUBST(LINKCC)
553	AC_MSG_CHECKING(LINKCC)
554	if test -z "$LINKCC"
555	then
556	LINKCC='$(PURIFY) $(MAINCC)'
557	case $ac_sys_system in
558	AIX*)
559	exp_extra="\"\""
560	if test $ac_sys_release -ge 5 -o \
561	$ac_sys_release -eq 4 -a `uname -r` -ge 2 ; then
562	exp_extra="."
563	fi
564	LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp $exp_extra \$(LIBRARY); $LINKCC";;
565	Monterey64*)
566	LINKCC="$LINKCC -L/usr/lib/ia64l64";;
567	esac
568	fi
569	AC_MSG_RESULT($LINKCC)
570
571	AC_MSG_CHECKING(for --enable-shared)
572	AC_ARG_ENABLE(shared,
573	AC_HELP_STRING(--enable-shared, disable/enable building shared python library))
574
575	if test -z "$enable_shared"
576	then
577	case $ac_sys_system in
578	CYGWIN* \| atheos* \| os2* \| emx*)
579	enable_shared="yes";;
580	*)
581	enable_shared="no";;
582	esac
583	fi
584	AC_MSG_RESULT($enable_shared)
585
586	AC_MSG_CHECKING(for --enable-profiling)
587	AC_ARG_ENABLE(profiling,
588	AC_HELP_STRING(--enable-profiling, enable C-level code profiling),
589	[ac_save_cc="$CC"
590	CC="$CC -pg"
591	AC_TRY_RUN([int main() { return 0; }],
592	ac_enable_profiling="yes",
593	ac_enable_profiling="no",
594	ac_enable_profiling="no")
595	CC="$ac_save_cc"])
596	AC_MSG_RESULT($ac_enable_profiling)
597
598	case "$ac_enable_profiling" in
599	"yes")
600	BASECFLAGS="-pg $BASECFLAGS"
601	LDFLAGS="-pg $LDFLAGS"
602	;;
603	esac
604
605	AC_MSG_CHECKING(LDLIBRARY)
606
607	# MacOSX framework builds need more magic. LDLIBRARY is the dynamic
608	# library that we build, but we do not want to link against it (we
609	# will find it with a -framework option). For this reason there is an
610	# extra variable BLDLIBRARY against which Python and the extension
611	# modules are linked, BLDLIBRARY. This is normally the same as
612	# LDLIBRARY, but empty for MacOSX framework builds.
613	if test "$enable_framework"
614	then
615	LDLIBRARY='$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
616	RUNSHARED=DYLD_FRAMEWORK_PATH="`pwd`:$DYLD_FRAMEWORK_PATH"
617	BLDLIBRARY=''
618	else
619	BLDLIBRARY='$(LDLIBRARY)'
620	fi
621
622	# Other platforms follow
623	if test $enable_shared = "yes"; then
624	AC_DEFINE(Py_ENABLE_SHARED, 1, [Defined if Python is built as a shared library.])
625	case $ac_sys_system in
626	BeOS*)
627	LDLIBRARY='libpython$(VERSION).so'
628	;;
629	CYGWIN*)
630	LDLIBRARY='libpython$(VERSION).dll.a'
631	DLLLIBRARY='libpython$(VERSION).dll'
632	;;
633	SunOS*)
634	LDLIBRARY='libpython$(VERSION).so'
635	BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(VERSION)'
636	RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH}
637	INSTSONAME="$LDLIBRARY".$SOVERSION
638	;;
639	Linux\|GNU\|NetBSD\|FreeBSD\|DragonFly*)
640	LDLIBRARY='libpython$(VERSION).so'
641	BLDLIBRARY='-L. -lpython$(VERSION)'
642	RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH}
643	case $ac_sys_system in
644	FreeBSD*)
645	SOVERSION=`echo $SOVERSION\|cut -d "." -f 1`
646	;;
647	esac
648	INSTSONAME="$LDLIBRARY".$SOVERSION
649	;;
650	hp\|HP)
651	case `uname -m` in
652	ia64)
653	LDLIBRARY='libpython$(VERSION).so'
654	;;
655	*)
656	LDLIBRARY='libpython$(VERSION).sl'
657	;;
658	esac
659	BLDLIBRARY='-Wl,+b,$(LIBDIR) -L. -lpython$(VERSION)'
660	RUNSHARED=SHLIB_PATH=`pwd`:${SHLIB_PATH}
661	;;
662	OSF*)
663	LDLIBRARY='libpython$(VERSION).so'
664	BLDLIBRARY='-rpath $(LIBDIR) -L. -lpython$(VERSION)'
665	RUNSHARED=LD_LIBRARY_PATH=`pwd`:${LD_LIBRARY_PATH}
666	;;
667	atheos*)
668	LDLIBRARY='libpython$(VERSION).so'
669	BLDLIBRARY='-L. -lpython$(VERSION)'
670	RUNSHARED=DLL_PATH=`pwd`:${DLL_PATH:-/atheos/sys/libs:/atheos/autolnk/lib}
671	;;
672	os2\|emx)
673	LDLIBRARY='python$(VERSION)_dll.a'
674	BLDLIBRARY='-L. -lpython$(VERSION)'
675	RUNSHARED=BEGINLIBPATH="`pwd`;$BEGINLIBPATH"
676	CONDENSED_VERSION=`echo "$(VERSION)" \| tr -d .,"`
677	DLLLIBRARY='python$(CONDENSED_VERSION).dll'
678	;;
679	esac
680	else # shared is disabled
681	case $ac_sys_system in
682	CYGWIN*)
683	BLDLIBRARY='$(LIBRARY)'
684	LDLIBRARY='libpython$(VERSION).dll.a'
685	;;
686	esac
687	fi
688
689	AC_MSG_RESULT($LDLIBRARY)
690
691	AC_PROG_RANLIB
692	AC_SUBST(AR)
693	AC_CHECK_PROGS(AR, ar aal, ar)
694
695	AC_SUBST(SVNVERSION)
696	AC_CHECK_PROG(SVNVERSION, svnversion, found, not-found)
697	if test $SVNVERSION = found
698	then
699	SVNVERSION="svnversion \$(srcdir)"
700	else
701	SVNVERSION="echo exported"
702	fi
703
704	case $MACHDEP in
705	bsdos\|hp\|HP*)
706	# install -d does not work on BSDI or HP-UX
707	if test -z "$INSTALL"
708	then
709	INSTALL="${srcdir}/install-sh -c"
710	fi
711	esac
712	AC_PROG_INSTALL
713
714	# Not every filesystem supports hard links
715	AC_SUBST(LN)
716	if test -z "$LN" ; then
717	case $ac_sys_system in
718	BeOS*) LN="ln -s";;
719	CYGWIN*) LN="ln -s";;
720	os2\|emx) LN="ln -s";;
721	atheos*) LN="ln -s";;
722	*) LN=ln;;
723	esac
724	fi
725
726	# Check for --with-pydebug
727	AC_MSG_CHECKING(for --with-pydebug)
728	AC_ARG_WITH(pydebug,
729	AC_HELP_STRING(--with-pydebug, build with Py_DEBUG defined),
730	[
731	if test "$withval" != no
732	then
733	AC_DEFINE(Py_DEBUG, 1,
734	[Define if you want to build an interpreter with many run-time checks.])
735	AC_MSG_RESULT(yes);
736	Py_DEBUG='true'
737	else AC_MSG_RESULT(no); Py_DEBUG='false'
738	fi],
739	[AC_MSG_RESULT(no)])
740
741	# XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
742	# merged with this chunk of code?
743
744	# Optimizer/debugger flags
745	# ------------------------
746	# (The following bit of code is complicated enough - please keep things
747	# indented properly. Just pretend you're editing Python code. ;-)
748
749	# There are two parallel sets of case statements below, one that checks to
750	# see if OPT was set and one that does BASECFLAGS setting based upon
751	# compiler and platform. BASECFLAGS tweaks need to be made even if the
752	# user set OPT.
753
754	# tweak OPT based on compiler and platform, only if the user didn't set
755	# it on the command line
756	AC_SUBST(OPT)
757	if test -z "$OPT"
758	then
759	case $GCC in
760	yes)
761	if test "$CC" != 'g++' ; then
762	STRICT_PROTO="-Wstrict-prototypes"
763	fi
764	case $ac_cv_prog_cc_g in
765	yes)
766	if test "$Py_DEBUG" = 'true' ; then
767	# Optimization messes up debuggers, so turn it off for
768	# debug builds.
769	OPT="-g -Wall $STRICT_PROTO"
770	else
771	OPT="-g -O3 -Wall $STRICT_PROTO"
772	fi
773	;;
774	*)
775	OPT="-O3 -Wall $STRICT_PROTO"
776	;;
777	esac
778	case $ac_sys_system in
779	SCO_SV*) OPT="$OPT -m486 -DSCO5"
780	;;
781	esac
782	;;
783
784	*)
785	OPT="-O"
786	;;
787	esac
788
789	# The current (beta) Monterey compiler dies with optimizations
790	# XXX what is Monterey? Does it still die w/ -O? Can we get rid of this?
791	case $ac_sys_system in
792	Monterey*)
793	OPT=""
794	;;
795	esac
796
797	fi
798
799	AC_SUBST(BASECFLAGS)
800	# tweak BASECFLAGS based on compiler and platform
801	case $GCC in
802	yes)
803	# Python violates C99 rules, by casting between incompatible
804	# pointer types. GCC may generate bad code as a result of that,
805	# so use -fno-strict-aliasing if supported.
806	AC_MSG_CHECKING(whether $CC accepts -fno-strict-aliasing)
807	ac_save_cc="$CC"
808	CC="$CC -fno-strict-aliasing"
809	AC_TRY_RUN([int main() { return 0; }],
810	ac_cv_no_strict_aliasing_ok=yes,
811	ac_cv_no_strict_aliasing_ok=no,
812	ac_cv_no_strict_aliasing_ok=no)
813	CC="$ac_save_cc"
814	AC_MSG_RESULT($ac_cv_no_strict_aliasing_ok)
815	if test $ac_cv_no_strict_aliasing_ok = yes
816	then
817	BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
818	fi
819	case $ac_sys_system in
820	SCO_SV*)
821	BASECFLAGS="$BASECFLAGS -m486 -DSCO5"
822	;;
823	# is there any other compiler on Darwin besides gcc?
824	Darwin*)
825	BASECFLAGS="$BASECFLAGS -Wno-long-double -no-cpp-precomp -mno-fused-madd"
826	if test "${enable_universalsdk}"; then
827	BASECFLAGS="-arch ppc -arch i386 -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
828	fi
829
830	;;
831	OSF*)
832	BASECFLAGS="$BASECFLAGS -mieee"
833	;;
834	esac
835	;;
836
837	*)
838	case $ac_sys_system in
839	OpenUNIX\|UnixWare)
840	BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca "
841	;;
842	OSF*)
843	BASECFLAGS="$BASECFLAGS -ieee -std"
844	;;
845	SCO_SV*)
846	BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5"
847	;;
848	esac
849	;;
850	esac
851
852	if test "$Py_DEBUG" = 'true'; then
853	:
854	else
855	OPT="-DNDEBUG $OPT"
856	fi
857
858	if test "$ac_arch_flags"
859	then
860	BASECFLAGS="$BASECFLAGS $ac_arch_flags"
861	fi
862
863	# disable check for icc since it seems to pass, but generates a warning
864	if test "$CC" = icc
865	then
866	ac_cv_opt_olimit_ok=no
867	fi
868
869	AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
870	AC_CACHE_VAL(ac_cv_opt_olimit_ok,
871	[ac_save_cc="$CC"
872	CC="$CC -OPT:Olimit=0"
873	AC_TRY_RUN([int main() { return 0; }],
874	ac_cv_opt_olimit_ok=yes,
875	ac_cv_opt_olimit_ok=no,
876	ac_cv_opt_olimit_ok=no)
877	CC="$ac_save_cc"])
878	AC_MSG_RESULT($ac_cv_opt_olimit_ok)
879	if test $ac_cv_opt_olimit_ok = yes; then
880	case $ac_sys_system in
881	# XXX is this branch needed? On MacOSX 10.2.2 the result of the
882	# olimit_ok test is "no". Is it "yes" in some other Darwin-esque
883	# environment?
884	Darwin*)
885	;;
886	*)
887	BASECFLAGS="$BASECFLAGS -OPT:Olimit=0"
888	;;
889	esac
890	else
891	AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
892	AC_CACHE_VAL(ac_cv_olimit_ok,
893	[ac_save_cc="$CC"
894	CC="$CC -Olimit 1500"
895	AC_TRY_RUN([int main() { return 0; }],
896	ac_cv_olimit_ok=yes,
897	ac_cv_olimit_ok=no,
898	ac_cv_olimit_ok=no)
899	CC="$ac_save_cc"])
900	AC_MSG_RESULT($ac_cv_olimit_ok)
901	if test $ac_cv_olimit_ok = yes; then
902	BASECFLAGS="$BASECFLAGS -Olimit 1500"
903	fi
904	fi
905
906	# On some compilers, pthreads are available without further options
907	# (e.g. MacOS X). On some of these systems, the compiler will not
908	# complain if unaccepted options are passed (e.g. gcc on Mac OS X).
909	# So we have to see first whether pthreads are available without
910	# options before we can check whether -Kpthread improves anything.
911	AC_MSG_CHECKING(whether pthreads are available without options)
912	AC_CACHE_VAL(ac_cv_pthread_is_default,
913	[AC_TRY_RUN([
914	#include <pthread.h>
915
916	void* routine(void* p){return NULL;}
917
918	int main(){
919	pthread_t p;
920	if(pthread_create(&p,NULL,routine,NULL)!=0)
921	return 1;
922	(void)pthread_detach(p);
923	return 0;
924	}
925	],
926	[
927	ac_cv_pthread_is_default=yes
928	ac_cv_kthread=no
929	ac_cv_pthread=no
930	],
931	ac_cv_pthread_is_default=no,
932	ac_cv_pthread_is_default=no)
933	])
934	AC_MSG_RESULT($ac_cv_pthread_is_default)
935
936
937	if test $ac_cv_pthread_is_default = yes
938	then
939	ac_cv_kpthread=no
940	else
941	# -Kpthread, if available, provides the right #defines
942	# and linker options to make pthread_create available
943	# Some compilers won't report that they do not support -Kpthread,
944	# so we need to run a program to see whether it really made the
945	# function available.
946	AC_MSG_CHECKING(whether $CC accepts -Kpthread)
947	AC_CACHE_VAL(ac_cv_kpthread,
948	[ac_save_cc="$CC"
949	CC="$CC -Kpthread"
950	AC_TRY_RUN([
951	#include <pthread.h>
952
953	void* routine(void* p){return NULL;}
954
955	int main(){
956	pthread_t p;
957	if(pthread_create(&p,NULL,routine,NULL)!=0)
958	return 1;
959	(void)pthread_detach(p);
960	return 0;
961	}
962	],
963	ac_cv_kpthread=yes,
964	ac_cv_kpthread=no,
965	ac_cv_kpthread=no)
966	CC="$ac_save_cc"])
967	AC_MSG_RESULT($ac_cv_kpthread)
968	fi
969
970	if test $ac_cv_kpthread = no -a $ac_cv_pthread_is_default = no
971	then
972	# -Kthread, if available, provides the right #defines
973	# and linker options to make pthread_create available
974	# Some compilers won't report that they do not support -Kthread,
975	# so we need to run a program to see whether it really made the
976	# function available.
977	AC_MSG_CHECKING(whether $CC accepts -Kthread)
978	AC_CACHE_VAL(ac_cv_kthread,
979	[ac_save_cc="$CC"
980	CC="$CC -Kthread"
981	AC_TRY_RUN([
982	#include <pthread.h>
983
984	void* routine(void* p){return NULL;}
985
986	int main(){
987	pthread_t p;
988	if(pthread_create(&p,NULL,routine,NULL)!=0)
989	return 1;
990	(void)pthread_detach(p);
991	return 0;
992	}
993	],
994	ac_cv_kthread=yes,
995	ac_cv_kthread=no,
996	ac_cv_kthread=no)
997	CC="$ac_save_cc"])
998	AC_MSG_RESULT($ac_cv_kthread)
999	fi
1000
1001	if test $ac_cv_kthread = no -a $ac_cv_pthread_is_default = no
1002	then
1003	# -pthread, if available, provides the right #defines
1004	# and linker options to make pthread_create available
1005	# Some compilers won't report that they do not support -pthread,
1006	# so we need to run a program to see whether it really made the
1007	# function available.
1008	AC_MSG_CHECKING(whether $CC accepts -pthread)
1009	AC_CACHE_VAL(ac_cv_thread,
1010	[ac_save_cc="$CC"
1011	CC="$CC -pthread"
1012	AC_TRY_RUN([
1013	#include <pthread.h>
1014
1015	void* routine(void* p){return NULL;}
1016
1017	int main(){
1018	pthread_t p;
1019	if(pthread_create(&p,NULL,routine,NULL)!=0)
1020	return 1;
1021	(void)pthread_detach(p);
1022	return 0;
1023	}
1024	],
1025	ac_cv_pthread=yes,
1026	ac_cv_pthread=no,
1027	ac_cv_pthread=no)
1028	CC="$ac_save_cc"])
1029	AC_MSG_RESULT($ac_cv_pthread)
1030	fi
1031
1032	# If we have set a CC compiler flag for thread support then
1033	# check if it works for CXX, too.
1034	ac_cv_cxx_thread=no
1035	if test ! -z "$CXX"
1036	then
1037	AC_MSG_CHECKING(whether $CXX also accepts flags for thread support)
1038	ac_save_cxx="$CXX"
1039
1040	if test "$ac_cv_kpthread" = "yes"
1041	then
1042	CXX="$CXX -Kpthread"
1043	ac_cv_cxx_thread=yes
1044	elif test "$ac_cv_kthread" = "yes"
1045	then
1046	CXX="$CXX -Kthread"
1047	ac_cv_cxx_thread=yes
1048	elif test "$ac_cv_pthread" = "yes"
1049	then
1050	CXX="$CXX -pthread"
1051	ac_cv_cxx_thread=yes
1052	fi
1053
1054	if test $ac_cv_cxx_thread = yes
1055	then
1056	echo 'void foo();int main(){foo();}void foo(){}' > conftest.$ac_ext
1057	$CXX -c conftest.$ac_ext 2>&5
1058	if $CXX -o conftest$ac_exeext conftest.$ac_objext 2>&5 \
1059	&& test -s conftest$ac_exeext && ./conftest$ac_exeext
1060	then
1061	ac_cv_cxx_thread=yes
1062	else
1063	ac_cv_cxx_thread=no
1064	fi
1065	rm -fr conftest*
1066	fi
1067	AC_MSG_RESULT($ac_cv_cxx_thread)
1068	fi
1069	CXX="$ac_save_cxx"
1070
1071	dnl # check for ANSI or K&R ("traditional") preprocessor
1072	dnl AC_MSG_CHECKING(for C preprocessor type)
1073	dnl AC_TRY_COMPILE([
1074	dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
1075	dnl int foo;
1076	dnl struct {char name; int addr; char *doc;} desc = spam(foo, "something");
1077	dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
1078	dnl AC_MSG_RESULT($cpp_type)
1079
1080	# checks for header files
1081	AC_HEADER_STDC
1082	AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
1083	fcntl.h grp.h \
1084	shadow.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
1085	signal.h stropts.h termios.h thread.h \
1086	unistd.h utime.h \
1087	sys/audioio.h sys/bsdtty.h sys/file.h sys/loadavg.h sys/lock.h sys/mkdev.h \
1088	sys/modem.h \
1089	sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.h \
1090	sys/time.h \
1091	sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
1092	sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
1093	bluetooth/bluetooth.h)
1094	AC_HEADER_DIRENT
1095	AC_HEADER_MAJOR
1096
1097	# On Solaris, term.h requires curses.h
1098	AC_CHECK_HEADERS(term.h,,,[
1099	#ifdef HAVE_CURSES_H
1100	#include <curses.h>
1101	#endif
1102	])
1103
1104	# On Linux, netlink.h requires asm/types.h
1105	AC_CHECK_HEADERS(linux/netlink.h,,,[
1106	#ifdef HAVE_ASM_TYPES_H
1107	#include <asm/types.h>
1108	#endif
1109	#ifdef HAVE_SYS_SOCKET_H
1110	#include <sys/socket.h>
1111	#endif
1112	])
1113
1114	# checks for typedefs
1115	was_it_defined=no
1116	AC_MSG_CHECKING(for clock_t in time.h)
1117	AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, [
1118	AC_DEFINE(clock_t, long, [Define to 'long' if <time.h> doesn't define.])
1119	])
1120	AC_MSG_RESULT($was_it_defined)
1121
1122	# Check whether using makedev requires defining _OSF_SOURCE
1123	AC_MSG_CHECKING(for makedev)
1124	AC_TRY_LINK([#include <sys/types.h> ],
1125	[ makedev(0, 0) ],
1126	ac_cv_has_makedev=yes,
1127	ac_cv_has_makedev=no)
1128	if test "$ac_cv_has_makedev" = "no"; then
1129	# we didn't link, try if _OSF_SOURCE will allow us to link
1130	AC_TRY_LINK([
1131	#define _OSF_SOURCE 1
1132	#include <sys/types.h>
1133	],
1134	[ makedev(0, 0) ],
1135	ac_cv_has_makedev=yes,
1136	ac_cv_has_makedev=no)
1137	if test "$ac_cv_has_makedev" = "yes"; then
1138	AC_DEFINE(_OSF_SOURCE, 1, [Define _OSF_SOURCE to get the makedev macro.])
1139	fi
1140	fi
1141	AC_MSG_RESULT($ac_cv_has_makedev)
1142	if test "$ac_cv_has_makedev" = "yes"; then
1143	AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.])
1144	fi
1145
1146	# Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in
1147	# the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are
1148	# defined, but the compiler does not support pragma redefine_extname,
1149	# and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit
1150	# structures (such as rlimit64) without declaring them. As a
1151	# work-around, disable LFS on such configurations
1152
1153	use_lfs=yes
1154	AC_MSG_CHECKING(Solaris LFS bug)
1155	AC_TRY_COMPILE([
1156	#define _LARGEFILE_SOURCE 1
1157	#define _FILE_OFFSET_BITS 64
1158	#include <sys/resource.h>
1159	],struct rlimit foo;,sol_lfs_bug=no,sol_lfs_bug=yes)
1160	AC_MSG_RESULT($sol_lfs_bug)
1161	if test "$sol_lfs_bug" = "yes"; then
1162	use_lfs=no
1163	fi
1164
1165	if test "$use_lfs" = "yes"; then
1166	# Two defines needed to enable largefile support on various platforms
1167	# These may affect some typedefs
1168	AC_DEFINE(_LARGEFILE_SOURCE, 1,
1169	[This must be defined on some systems to enable large file support.])
1170	AC_DEFINE(_FILE_OFFSET_BITS, 64,
1171	[This must be set to 64 on some systems to enable large file support.])
1172	fi
1173
1174	# Add some code to confdefs.h so that the test for off_t works on SCO
1175	cat >> confdefs.h <<\EOF
1176	#if defined(SCO_DS)
1177	#undef _OFF_T
1178	#endif
1179	EOF
1180
1181	# Type availability checks
1182	AC_TYPE_MODE_T
1183	AC_TYPE_OFF_T
1184	AC_TYPE_PID_T
1185	AC_TYPE_SIGNAL
1186	AC_TYPE_SIZE_T
1187	AC_TYPE_UID_T
1188	AC_CHECK_TYPE(ssize_t,
1189	AC_DEFINE(HAVE_SSIZE_T, 1, Define if your compiler provides ssize_t),,)
1190
1191	# Sizes of various common basic types
1192	# ANSI C requires sizeof(char) == 1, so no need to check it
1193	AC_CHECK_SIZEOF(int, 4)
1194	AC_CHECK_SIZEOF(long, 4)
1195	AC_CHECK_SIZEOF(void *, 4)
1196	AC_CHECK_SIZEOF(short, 2)
1197	AC_CHECK_SIZEOF(float, 4)
1198	AC_CHECK_SIZEOF(double, 8)
1199	AC_CHECK_SIZEOF(fpos_t, 4)
1200	AC_CHECK_SIZEOF(size_t, 4)
1201
1202	AC_MSG_CHECKING(for long long support)
1203	have_long_long=no
1204	AC_TRY_COMPILE([], [long long x; x = (long long)0;], [
1205	AC_DEFINE(HAVE_LONG_LONG, 1, [Define this if you have the type long long.])
1206	have_long_long=yes
1207	])
1208	AC_MSG_RESULT($have_long_long)
1209	if test "$have_long_long" = yes ; then
1210	AC_CHECK_SIZEOF(long long, 8)
1211	fi
1212
1213	AC_MSG_CHECKING(for uintptr_t support)
1214	have_uintptr_t=no
1215	AC_TRY_COMPILE([], [uintptr_t x; x = (uintptr_t)0;], [
1216	AC_DEFINE(HAVE_UINTPTR_T, 1, [Define this if you have the type uintptr_t.])
1217	have_uintptr_t=yes
1218	])
1219	AC_MSG_RESULT($have_uintptr_t)
1220	if test "$have_uintptr_t" = yes ; then
1221	AC_CHECK_SIZEOF(uintptr_t, 4)
1222	fi
1223
1224	# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
1225	AC_MSG_CHECKING(size of off_t)
1226	AC_CACHE_VAL(ac_cv_sizeof_off_t,
1227	[AC_TRY_RUN([#include <stdio.h>
1228	#include <sys/types.h>
1229	main()
1230	{
1231	FILE *f=fopen("conftestval", "w");
1232	if (!f) exit(1);
1233	fprintf(f, "%d\n", sizeof(off_t));
1234	exit(0);
1235	}],
1236	ac_cv_sizeof_off_t=`cat conftestval`,
1237	ac_cv_sizeof_off_t=0,
1238	ac_cv_sizeof_off_t=4)
1239	])
1240	AC_MSG_RESULT($ac_cv_sizeof_off_t)
1241	AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t,
1242	[The number of bytes in an off_t.])
1243
1244	AC_MSG_CHECKING(whether to enable large file support)
1245	if test "$have_long_long" = yes -a \
1246	"$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
1247	"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
1248	AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1,
1249	[Defined to enable large file support when an off_t is bigger than a long
1250	and long long is available and at least as big as an off_t. You may need
1251	to add some flags for configuration and compilation to enable this mode.
1252	(For Solaris and Linux, the necessary defines are already defined.)])
1253	AC_MSG_RESULT(yes)
1254	else
1255	AC_MSG_RESULT(no)
1256	fi
1257
1258	# AC_CHECK_SIZEOF() doesn't include <time.h>.
1259	AC_MSG_CHECKING(size of time_t)
1260	AC_CACHE_VAL(ac_cv_sizeof_time_t,
1261	[AC_TRY_RUN([#include <stdio.h>
1262	#include <time.h>
1263	main()
1264	{
1265	FILE *f=fopen("conftestval", "w");
1266	if (!f) exit(1);
1267	fprintf(f, "%d\n", sizeof(time_t));
1268	exit(0);
1269	}],
1270	ac_cv_sizeof_time_t=`cat conftestval`,
1271	ac_cv_sizeof_time_t=0,
1272	ac_cv_sizeof_time_t=4)
1273	])
1274	AC_MSG_RESULT($ac_cv_sizeof_time_t)
1275	AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t,
1276	[The number of bytes in a time_t.])
1277
1278
1279	# if have pthread_t then define SIZEOF_PTHREAD_T
1280	ac_save_cc="$CC"
1281	if test "$ac_cv_kpthread" = "yes"
1282	then CC="$CC -Kpthread"
1283	elif test "$ac_cv_kthread" = "yes"
1284	then CC="$CC -Kthread"
1285	elif test "$ac_cv_pthread" = "yes"
1286	then CC="$CC -pthread"
1287	fi
1288	AC_MSG_CHECKING(for pthread_t)
1289	have_pthread_t=no
1290	AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = (pthread_t)0;], have_pthread_t=yes)
1291	AC_MSG_RESULT($have_pthread_t)
1292	if test "$have_pthread_t" = yes ; then
1293	# AC_CHECK_SIZEOF() doesn't include <pthread.h>.
1294	AC_MSG_CHECKING(size of pthread_t)
1295	AC_CACHE_VAL(ac_cv_sizeof_pthread_t,
1296	[AC_TRY_RUN([#include <stdio.h>
1297	#include <pthread.h>
1298	main()
1299	{
1300	FILE *f=fopen("conftestval", "w");
1301	if (!f) exit(1);
1302	fprintf(f, "%d\n", sizeof(pthread_t));
1303	exit(0);
1304	}],
1305	ac_cv_sizeof_pthread_t=`cat conftestval`,
1306	ac_cv_sizeof_pthread_t=0,
1307	ac_cv_sizeof_pthread_t=4)
1308	])
1309	AC_MSG_RESULT($ac_cv_sizeof_pthread_t)
1310	AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t,
1311	[The number of bytes in a pthread_t.])
1312	fi
1313	CC="$ac_save_cc"
1314
1315	AC_MSG_CHECKING(for --enable-toolbox-glue)
1316	AC_ARG_ENABLE(toolbox-glue,
1317	AC_HELP_STRING(--enable-toolbox-glue, disable/enable MacOSX glue code for extensions))
1318
1319	if test -z "$enable_toolbox_glue"
1320	then
1321	case $ac_sys_system/$ac_sys_release in
1322	Darwin/*)
1323	enable_toolbox_glue="yes";;
1324	*)
1325	enable_toolbox_glue="no";;
1326	esac
1327	fi
1328	case "$enable_toolbox_glue" in
1329	yes)
1330	extra_machdep_objs="Python/mactoolboxglue.o"
1331	extra_undefs="-u _PyMac_Error"
1332	AC_DEFINE(USE_TOOLBOX_OBJECT_GLUE, 1,
1333	[Define if you want to use MacPython modules on MacOSX in unix-Python.])
1334	;;
1335	*)
1336	extra_machdep_objs=""
1337	extra_undefs=""
1338	;;
1339	esac
1340	AC_MSG_RESULT($enable_toolbox_glue)
1341
1342	AC_SUBST(OTHER_LIBTOOL_OPT)
1343	case $ac_sys_system/$ac_sys_release in
1344	Darwin/@<:@01567@:>@\..*)
1345	OTHER_LIBTOOL_OPT="-prebind -seg1addr 0x10000000"
1346	;;
1347	Darwin/*)
1348	OTHER_LIBTOOL_OPT=""
1349	;;
1350	esac
1351
1352	AC_SUBST(LIBTOOL_CRUFT)
1353	case $ac_sys_system/$ac_sys_release in
1354	Darwin/@<:@01567@:>@\..*)
1355	LIBTOOL_CRUFT="-framework System -lcc_dynamic"
1356	if test "${enable_universalsdk}"; then
1357	:
1358	else
1359	LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `arch`"
1360	fi
1361	LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1362	LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
1363	Darwin/*)
1364	gcc_version=`gcc -v 2>&1 \| grep version \| cut -d\ -f3`
1365	if test ${gcc_version} '<' 4.0
1366	then
1367	LIBTOOL_CRUFT="-lcc_dynamic"
1368	else
1369	LIBTOOL_CRUFT=""
1370	fi
1371	LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only `arch`"
1372	LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1373	LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
1374	esac
1375
1376	AC_MSG_CHECKING(for --enable-framework)
1377	if test "$enable_framework"
1378	then
1379	BASECFLAGS="$BASECFLAGS -fno-common -dynamic"
1380	# -F. is needed to allow linking to the framework while
1381	# in the build location.
1382	AC_DEFINE(WITH_NEXT_FRAMEWORK, 1,
1383	[Define if you want to produce an OpenStep/Rhapsody framework
1384	(shared library plus accessory files).])
1385	AC_MSG_RESULT(yes)
1386	else
1387	AC_MSG_RESULT(no)
1388	fi
1389
1390	AC_MSG_CHECKING(for dyld)
1391	case $ac_sys_system/$ac_sys_release in
1392	Darwin/*)
1393	AC_DEFINE(WITH_DYLD, 1,
1394	[Define if you want to use the new-style (Openstep, Rhapsody, MacOS)
1395	dynamic linker (dyld) instead of the old-style (NextStep) dynamic
1396	linker (rld). Dyld is necessary to support frameworks.])
1397	AC_MSG_RESULT(always on for Darwin)
1398	;;
1399	*)
1400	AC_MSG_RESULT(no)
1401	;;
1402	esac
1403
1404	# Set info about shared libraries.
1405	AC_SUBST(SO)
1406	AC_SUBST(LDSHARED)
1407	AC_SUBST(BLDSHARED)
1408	AC_SUBST(CCSHARED)
1409	AC_SUBST(LINKFORSHARED)
1410	# SO is the extension of shared libraries `(including the dot!)
1411	# -- usually .so, .sl on HP-UX, .dll on Cygwin and OS/2
1412	AC_MSG_CHECKING(SO)
1413	if test -z "$SO"
1414	then
1415	case $ac_sys_system in
1416	hp\|HP)
1417	case `uname -m` in
1418	ia64) SO=.so;;
1419	*) SO=.sl;;
1420	esac
1421	;;
1422	CYGWIN*) SO=.dll;;
1423	os2\|emx) SO=.dll;;
1424	*) SO=.so;;
1425	esac
1426	else
1427	# this might also be a termcap variable, see #610332
1428	echo
1429	echo '====================================================================='
1430	echo '+ +'
1431	echo '+ WARNING: You have set SO in your environment. +'
1432	echo '+ Do you really mean to change the extension for shared libraries? +'
1433	echo '+ Continuing in 10 seconds to let you to ponder. +'
1434	echo '+ +'
1435	echo '====================================================================='
1436	sleep 10
1437	fi
1438	AC_MSG_RESULT($SO)
1439	AC_DEFINE_UNQUOTED(SHLIB_EXT, "$SO", [Define this to be extension of shared libraries (including the dot!).])
1440	# LDSHARED is the ld command used to create shared library
1441	# -- "cc -G" on SunOS 5.x, "ld -shared" on IRIX 5
1442	# (Shared libraries in this instance are shared modules to be loaded into
1443	# Python, as opposed to building Python itself as a shared library.)
1444	AC_MSG_CHECKING(LDSHARED)
1445	if test -z "$LDSHARED"
1446	then
1447	case $ac_sys_system/$ac_sys_release in
1448	AIX*)
1449	BLDSHARED="\$(srcdir)/Modules/ld_so_aix \$(CC) -bI:Modules/python.exp"
1450	LDSHARED="\$(BINLIBDEST)/config/ld_so_aix \$(CC) -bI:\$(BINLIBDEST)/config/python.exp"
1451	;;
1452	BeOS*)
1453	BLDSHARED="\$(srcdir)/Modules/ld_so_beos $LDLIBRARY"
1454	LDSHARED="\$(BINLIBDEST)/config/ld_so_beos \$(LIBDIR)/$LDLIBRARY"
1455	;;
1456	IRIX/5*) LDSHARED="ld -shared";;
1457	IRIX/6) LDSHARED="ld ${SGI_ABI} -shared -all";;
1458	SunOS/5*)
1459	if test "$GCC" = "yes"
1460	then LDSHARED='$(CC) -shared'
1461	else LDSHARED='$(CC) -G';
1462	fi ;;
1463	hp\|HP) LDSHARED="ld -b";;
1464	OSF) LDSHARED="ld -shared -expect_unresolved \"\"";;
1465	Darwin/1.3*)
1466	LDSHARED='$(CC) $(LDFLAGS) -bundle'
1467	if test "$enable_framework" ; then
1468	# Link against the framework. All externals should be defined.
1469	BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1470	LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1471	else
1472	# No framework. Ignore undefined symbols, assuming they come from Python
1473	LDSHARED="$LDSHARED -undefined suppress"
1474	fi ;;
1475	Darwin/1.4\|Darwin/5.\|Darwin/6.*)
1476	LDSHARED='$(CC) $(LDFLAGS) -bundle'
1477	if test "$enable_framework" ; then
1478	# Link against the framework. All externals should be defined.
1479	BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1480	LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1481	else
1482	# No framework, use the Python app as bundle-loader
1483	BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
1484	LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
1485	fi ;;
1486	Darwin/*)
1487	# Use -undefined dynamic_lookup whenever possible (10.3 and later).
1488	# This allows an extension to be used in any Python
1489	cur_target=`sw_vers -productVersion \| sed 's/$10\.[[0-9]]$./\1/'`
1490	if test ${cur_target} '>' 10.2; then
1491	cur_target=10.3
1492	fi
1493	CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}}
1494	EXPORT_MACOSX_DEPLOYMENT_TARGET=''
1495	if test ${MACOSX_DEPLOYMENT_TARGET-${cur_target}} '>' 10.2
1496	then
1497	if test "${enable_universalsdk}"; then
1498	LDFLAGS="-arch i386 -arch ppc -isysroot ${UNIVERSALSDK} ${LDFLAGS}"
1499	fi
1500	LDSHARED='$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup'
1501	BLDSHARED="$LDSHARED"
1502	else
1503	LDSHARED='$(CC) $(LDFLAGS) -bundle'
1504	if test "$enable_framework" ; then
1505	# Link against the framework. All externals should be defined.
1506	BLDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1507	LDSHARED="$LDSHARED "'$(PYTHONFRAMEWORKPREFIX)/$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1508	else
1509	# No framework, use the Python app as bundle-loader
1510	BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
1511	LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
1512	fi
1513	fi
1514	;;
1515	Linux\|GNU) LDSHARED='$(CC) -shared';;
1516	BSD/OS/4) LDSHARED="gcc -shared";;
1517	FreeBSD*)
1518	if [[ "`$CC -dM -E - </dev/null \| grep __ELF__`" != "" ]]
1519	then
1520	LDSHARED="$CC -shared ${LDFLAGS}"
1521	else
1522	LDSHARED="ld -Bshareable ${LDFLAGS}"
1523	fi;;
1524	OpenBSD*)
1525	if [[ "`$CC -dM -E - </dev/null \| grep __ELF__`" != "" ]]
1526	then
1527	LDSHARED='$(CC) -shared $(CCSHARED) ${LDFLAGS}'
1528	else
1529	case `uname -r` in
1530	[[01]].* \| 2.[[0-7]] \| 2.[[0-7]].*)
1531	LDSHARED="ld -Bshareable ${LDFLAGS}"
1532	;;
1533	*)
1534	LDSHARED='$(CC) -shared $(CCSHARED) ${LDFLAGS}'
1535	;;
1536	esac
1537	fi;;
1538	NetBSD\|DragonFly) LDSHARED="cc -shared ${LDFLAGS}";;
1539	OpenUNIX\|UnixWare)
1540	if test "$GCC" = "yes"
1541	then LDSHARED='$(CC) -shared'
1542	else LDSHARED='$(CC) -G'
1543	fi;;
1544	SCO_SV*) LDSHARED='$(CC) -Wl,-G,-Bexport';;
1545	Monterey*) LDSHARED="cc -G -dy -Bdynamic -Bexport -L/usr/lib/ia64l64";;
1546	CYGWIN*) LDSHARED="gcc -shared -Wl,--enable-auto-image-base";;
1547	atheos*) LDSHARED="gcc -shared";;
1548	*) LDSHARED="ld";;
1549	esac
1550	fi
1551	AC_MSG_RESULT($LDSHARED)
1552	BLDSHARED=${BLDSHARED-$LDSHARED}
1553	# CCSHARED are the C flags used to create objects to go into a shared
1554	# library (module) -- this is only needed for a few systems
1555	AC_MSG_CHECKING(CCSHARED)
1556	if test -z "$CCSHARED"
1557	then
1558	case $ac_sys_system/$ac_sys_release in
1559	SunOS*) if test "$GCC" = yes;
1560	then CCSHARED="-fPIC";
1561	else CCSHARED="-xcode=pic32";
1562	fi;;
1563	hp\|HP) if test "$GCC" = yes;
1564	then CCSHARED="-fPIC";
1565	else CCSHARED="+z";
1566	fi;;
1567	Linux\|GNU) CCSHARED="-fPIC";;
1568	BSD/OS/4) CCSHARED="-fpic";;
1569	FreeBSD\|NetBSD\|OpenBSD\|DragonFly) CCSHARED="-fPIC";;
1570	OpenUNIX\|UnixWare)
1571	if test "$GCC" = "yes"
1572	then CCSHARED="-fPIC"
1573	else CCSHARED="-KPIC"
1574	fi;;
1575	SCO_SV*)
1576	if test "$GCC" = "yes"
1577	then CCSHARED="-fPIC"
1578	else CCSHARED="-Kpic -belf"
1579	fi;;
1580	Monterey*) CCSHARED="-G";;
1581	IRIX/6) case $CC in
1582	gcc) CCSHARED="-shared";;
1583	*) CCSHARED="";;
1584	esac;;
1585	atheos*) CCSHARED="-fPIC";;
1586	esac
1587	fi
1588	AC_MSG_RESULT($CCSHARED)
1589	# LINKFORSHARED are the flags passed to the $(CC) command that links
1590	# the python executable -- this is only needed for a few systems
1591	AC_MSG_CHECKING(LINKFORSHARED)
1592	if test -z "$LINKFORSHARED"
1593	then
1594	case $ac_sys_system/$ac_sys_release in
1595	AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';;
1596	hp\|HP)
1597	LINKFORSHARED="-Wl,-E -Wl,+s";;
1598	# LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
1599	BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
1600	Linux\|GNU) LINKFORSHARED="-Xlinker -export-dynamic";;
1601	# -u libsys_s pulls in all symbols in libsys
1602	Darwin/*)
1603	# -u _PyMac_Error is needed to pull in the mac toolbox glue,
1604	# which is
1605	# not used by the core itself but which needs to be in the core so
1606	# that dynamically loaded extension modules have access to it.
1607	# -prebind is no longer used, because it actually seems to give a
1608	# slowdown in stead of a speedup, maybe due to the large number of
1609	# dynamic loads Python does.
1610
1611	LINKFORSHARED="$extra_undefs"
1612	if test "$enable_framework"
1613	then
1614	LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
1615	fi
1616	LINKFORSHARED="$LINKFORSHARED";;
1617	OpenUNIX\|UnixWare) LINKFORSHARED="-Wl,-Bexport";;
1618	SCO_SV*) LINKFORSHARED="-Wl,-Bexport";;
1619	ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
1620	FreeBSD\|NetBSD\|OpenBSD\|DragonFly)
1621	if [[ "`$CC -dM -E - </dev/null \| grep __ELF__`" != "" ]]
1622	then
1623	LINKFORSHARED="-Wl,--export-dynamic"
1624	fi;;
1625	SunOS/5*) case $CC in
1626	gcc)
1627	if $CC -Xlinker --help 2>&1 \| grep export-dynamic >/dev/null
1628	then
1629	LINKFORSHARED="-Xlinker --export-dynamic"
1630	fi;;
1631	esac;;
1632	CYGWIN*)
1633	if test $enable_shared = "no"
1634	then
1635	LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
1636	fi;;
1637	esac
1638	fi
1639	AC_MSG_RESULT($LINKFORSHARED)
1640
1641	AC_SUBST(CFLAGSFORSHARED)
1642	AC_MSG_CHECKING(CFLAGSFORSHARED)
1643	if test ! "$LIBRARY" = "$LDLIBRARY"
1644	then
1645	case $ac_sys_system in
1646	CYGWIN*)
1647	# Cygwin needs CCSHARED when building extension DLLs
1648	# but not when building the interpreter DLL.
1649	CFLAGSFORSHARED='';;
1650	*)
1651	CFLAGSFORSHARED='$(CCSHARED)'
1652	esac
1653	fi
1654	AC_MSG_RESULT($CFLAGSFORSHARED)
1655
1656	# SHLIBS are libraries (except -lc and -lm) to link to the python shared
1657	# library (with --enable-shared).
1658	# For platforms on which shared libraries are not allowed to have unresolved
1659	# symbols, this must be set to $(LIBS) (expanded by make). We do this even
1660	# if it is not required, since it creates a dependency of the shared library
1661	# to LIBS. This, in turn, means that applications linking the shared libpython
1662	# don't need to link LIBS explicitly. The default should be only changed
1663	# on systems where this approach causes problems.
1664	AC_SUBST(SHLIBS)
1665	AC_MSG_CHECKING(SHLIBS)
1666	case "$ac_sys_system" in
1667	*)
1668	SHLIBS='$(LIBS)';;
1669	esac
1670	AC_MSG_RESULT($SHLIBS)
1671
1672
1673	# checks for libraries
1674	AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
1675	AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
1676
1677	# only check for sem_ini if thread support is requested
1678	if test "$with_threads" = "yes" -o -z "$with_threads"; then
1679	AC_SEARCH_LIBS(sem_init, pthread rt posix4) # 'Real Time' functions on Solaris
1680	# posix4 on Solaris 2.6
1681	# pthread (first!) on Linux
1682	fi
1683
1684	# check if we need libintl for locale functions
1685	AC_CHECK_LIB(intl, textdomain,
1686	AC_DEFINE(WITH_LIBINTL, 1,
1687	[Define to 1 if libintl is needed for locale functions.]))
1688
1689	# checks for system dependent C++ extensions support
1690	case "$ac_sys_system" in
1691	AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
1692	AC_TRY_LINK([#include "/usr/lpp/xlC/include/load.h"],
1693	[loadAndInit("", 0, "")],
1694	[AC_DEFINE(AIX_GENUINE_CPLUSPLUS, 1,
1695	[Define for AIX if your compiler is a genuine IBM xlC/xlC_r
1696	and you want support for AIX C++ shared extension modules.])
1697	AC_MSG_RESULT(yes)],
1698	[AC_MSG_RESULT(no)]);;
1699	*) ;;
1700	esac
1701
1702	# Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
1703	# BeOS' sockets are stashed in libnet.
1704	AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
1705	AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
1706
1707	case "$ac_sys_system" in
1708	BeOS*)
1709	AC_CHECK_LIB(net, socket, [LIBS="-lnet $LIBS"], [], $LIBS) # BeOS
1710	;;
1711	esac
1712
1713	AC_MSG_CHECKING(for --with-libs)
1714	AC_ARG_WITH(libs,
1715	AC_HELP_STRING(--with-libs='lib1 ...', link against additional libs),
1716	[
1717	AC_MSG_RESULT($withval)
1718	LIBS="$withval $LIBS"
1719	],
1720	[AC_MSG_RESULT(no)])
1721
1722	# Check for use of the system libffi library
1723	AC_MSG_CHECKING(for --with-system-ffi)
1724	AC_ARG_WITH(system_ffi,
1725	AC_HELP_STRING(--with-system-ffi, build _ctypes module using an installed ffi library))
1726
1727	if test -z "$with_system_ffi"
1728	then with_system_ffi="no"
1729	fi
1730	AC_MSG_RESULT($with_system_ffi)
1731
1732	# Determine if signalmodule should be used.
1733	AC_SUBST(USE_SIGNAL_MODULE)
1734	AC_SUBST(SIGNAL_OBJS)
1735	AC_MSG_CHECKING(for --with-signal-module)
1736	AC_ARG_WITH(signal-module,
1737	AC_HELP_STRING(--with-signal-module, disable/enable signal module))
1738
1739	if test -z "$with_signal_module"
1740	then with_signal_module="yes"
1741	fi
1742	AC_MSG_RESULT($with_signal_module)
1743
1744	if test "${with_signal_module}" = "yes"; then
1745	USE_SIGNAL_MODULE=""
1746	SIGNAL_OBJS=""
1747	else
1748	USE_SIGNAL_MODULE="#"
1749	SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o"
1750	fi
1751
1752	# This is used to generate Setup.config
1753	AC_SUBST(USE_THREAD_MODULE)
1754	USE_THREAD_MODULE=""
1755
1756	AC_MSG_CHECKING(for --with-dec-threads)
1757	AC_SUBST(LDLAST)
1758	AC_ARG_WITH(dec-threads,
1759	AC_HELP_STRING(--with-dec-threads, use DEC Alpha/OSF1 thread-safe libraries),
1760	[
1761	AC_MSG_RESULT($withval)
1762	LDLAST=-threads
1763	if test "${with_thread+set}" != set; then
1764	with_thread="$withval";
1765	fi],
1766	[AC_MSG_RESULT(no)])
1767
1768	# Templates for things AC_DEFINEd more than once.
1769	# For a single AC_DEFINE, no template is needed.
1770	AH_TEMPLATE(C_THREADS,[Define if you have the Mach cthreads package])
1771	AH_TEMPLATE(_REENTRANT,
1772	[Define to force use of thread-safe errno, h_errno, and other functions])
1773	AH_TEMPLATE(WITH_THREAD,
1774	[Define if you want to compile in rudimentary thread support])
1775
1776	AC_MSG_CHECKING(for --with-threads)
1777	dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
1778	AC_ARG_WITH(threads,
1779	AC_HELP_STRING(--with(out)-threads@<:@=DIRECTORY@:>@, disable/enable thread support))
1780
1781	# --with-thread is deprecated, but check for it anyway
1782	dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
1783	AC_ARG_WITH(thread,
1784	AC_HELP_STRING(--with(out)-thread@<:@=DIRECTORY@:>@, deprecated; use --with(out)-threads),
1785	[with_threads=$with_thread])
1786
1787	if test -z "$with_threads"
1788	then with_threads="yes"
1789	fi
1790	AC_MSG_RESULT($with_threads)
1791
1792	AC_SUBST(THREADOBJ)
1793	if test "$with_threads" = "no"
1794	then
1795	USE_THREAD_MODULE="#"
1796	elif test "$ac_cv_pthread_is_default" = yes
1797	then
1798	AC_DEFINE(WITH_THREAD)
1799	# Defining _REENTRANT on system with POSIX threads should not hurt.
1800	AC_DEFINE(_REENTRANT)
1801	posix_threads=yes
1802	THREADOBJ="Python/thread.o"
1803	elif test "$ac_cv_kpthread" = "yes"
1804	then
1805	CC="$CC -Kpthread"
1806	if test "$ac_cv_cxx_thread" = "yes"; then
1807	CXX="$CXX -Kpthread"
1808	fi
1809	AC_DEFINE(WITH_THREAD)
1810	posix_threads=yes
1811	THREADOBJ="Python/thread.o"
1812	elif test "$ac_cv_kthread" = "yes"
1813	then
1814	CC="$CC -Kthread"
1815	if test "$ac_cv_cxx_thread" = "yes"; then
1816	CXX="$CXX -Kthread"
1817	fi
1818	AC_DEFINE(WITH_THREAD)
1819	posix_threads=yes
1820	THREADOBJ="Python/thread.o"
1821	elif test "$ac_cv_pthread" = "yes"
1822	then
1823	CC="$CC -pthread"
1824	if test "$ac_cv_cxx_thread" = "yes"; then
1825	CXX="$CXX -pthread"
1826	fi
1827	AC_DEFINE(WITH_THREAD)
1828	posix_threads=yes
1829	THREADOBJ="Python/thread.o"
1830	else
1831	if test ! -z "$with_threads" -a -d "$with_threads"
1832	then LDFLAGS="$LDFLAGS -L$with_threads"
1833	fi
1834	if test ! -z "$withval" -a -d "$withval"
1835	then LDFLAGS="$LDFLAGS -L$withval"
1836	fi
1837
1838	# According to the POSIX spec, a pthreads implementation must
1839	# define _POSIX_THREADS in unistd.h. Some apparently don't
1840	# (e.g. gnu pth with pthread emulation)
1841	AC_MSG_CHECKING(for _POSIX_THREADS in unistd.h)
1842	AC_EGREP_CPP(yes,
1843	[
1844	#include <unistd.h>
1845	#ifdef _POSIX_THREADS
1846	yes
1847	#endif
1848	], unistd_defines_pthreads=yes, unistd_defines_pthreads=no)
1849	AC_MSG_RESULT($unistd_defines_pthreads)
1850
1851	AC_DEFINE(_REENTRANT)
1852	AC_CHECK_HEADER(cthreads.h, [AC_DEFINE(WITH_THREAD)
1853	AC_DEFINE(C_THREADS)
1854	AC_DEFINE(HURD_C_THREADS, 1,
1855	[Define if you are using Mach cthreads directly under /include])
1856	LIBS="$LIBS -lthreads"
1857	THREADOBJ="Python/thread.o"],[
1858	AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
1859	AC_DEFINE(C_THREADS)
1860	AC_DEFINE(MACH_C_THREADS, 1,
1861	[Define if you are using Mach cthreads under mach /])
1862	THREADOBJ="Python/thread.o"],[
1863	AC_MSG_CHECKING(for --with-pth)
1864	AC_ARG_WITH([pth],
1865	AC_HELP_STRING(--with-pth, use GNU pth threading libraries),
1866	[AC_MSG_RESULT($withval)
1867	AC_DEFINE([WITH_THREAD])
1868	AC_DEFINE([HAVE_PTH], 1,
1869	[Define if you have GNU PTH threads.])
1870	LIBS="-lpth $LIBS"
1871	THREADOBJ="Python/thread.o"],
1872	[AC_MSG_RESULT(no)
1873
1874	# Just looking for pthread_create in libpthread is not enough:
1875	# on HP/UX, pthread.h renames pthread_create to a different symbol name.
1876	# So we really have to include pthread.h, and then link.
1877	_libs=$LIBS
1878	LIBS="$LIBS -lpthread"
1879	AC_MSG_CHECKING([for pthread_create in -lpthread])
1880	AC_TRY_LINK([#include <pthread.h>
1881
1882	void * start_routine (void *arg) { exit (0); }], [
1883	pthread_create (NULL, NULL, start_routine, NULL)], [
1884	AC_MSG_RESULT(yes)
1885	AC_DEFINE(WITH_THREAD)
1886	posix_threads=yes
1887	THREADOBJ="Python/thread.o"],[
1888	LIBS=$_libs
1889	AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
1890	posix_threads=yes
1891	THREADOBJ="Python/thread.o"],[
1892	AC_CHECK_HEADER(atheos/threads.h, [AC_DEFINE(WITH_THREAD)
1893	AC_DEFINE(ATHEOS_THREADS, 1,
1894	[Define this if you have AtheOS threads.])
1895	THREADOBJ="Python/thread.o"],[
1896	AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
1897	AC_DEFINE(BEOS_THREADS, 1,
1898	[Define this if you have BeOS threads.])
1899	THREADOBJ="Python/thread.o"],[
1900	AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
1901	posix_threads=yes
1902	LIBS="$LIBS -lpthreads"
1903	THREADOBJ="Python/thread.o"], [
1904	AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
1905	posix_threads=yes
1906	LIBS="$LIBS -lc_r"
1907	THREADOBJ="Python/thread.o"], [
1908	AC_CHECK_LIB(pthread, __pthread_create_system, [AC_DEFINE(WITH_THREAD)
1909	posix_threads=yes
1910	LIBS="$LIBS -lpthread"
1911	THREADOBJ="Python/thread.o"], [
1912	AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
1913	posix_threads=yes
1914	LIBS="$LIBS -lcma"
1915	THREADOBJ="Python/thread.o"],[
1916	USE_THREAD_MODULE="#"])
1917	])])])])])])])])])])
1918
1919	AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
1920	LIBS="$LIBS -lmpc"
1921	THREADOBJ="Python/thread.o"
1922	USE_THREAD_MODULE=""])
1923
1924	if test "$posix_threads" != "yes"; then
1925	AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
1926	LIBS="$LIBS -lthread"
1927	THREADOBJ="Python/thread.o"
1928	USE_THREAD_MODULE=""])
1929	fi
1930
1931	if test "$USE_THREAD_MODULE" != "#"
1932	then
1933	# If the above checks didn't disable threads, (at least) OSF1
1934	# needs this '-threads' argument during linking.
1935	case $ac_sys_system in
1936	OSF1) LDLAST=-threads;;
1937	esac
1938	fi
1939	fi
1940
1941	if test "$posix_threads" = "yes"; then
1942	if test "$unistd_defines_pthreads" = "no"; then
1943	AC_DEFINE(_POSIX_THREADS, 1,
1944	[Define if you have POSIX threads,
1945	and your system does not define that.])
1946	fi
1947
1948	# Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
1949	case $ac_sys_system/$ac_sys_release in
1950	SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
1951	Defined for Solaris 2.6 bug in pthread header.)
1952	;;
1953	SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
1954	Define if the Posix semaphores do not work on your system)
1955	;;
1956	esac
1957
1958	AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)
1959	AC_CACHE_VAL(ac_cv_pthread_system_supported,
1960	[AC_TRY_RUN([#include <pthread.h>
1961	void foo(void parm) {
1962	return NULL;
1963	}
1964	main() {
1965	pthread_attr_t attr;
1966	pthread_t id;
1967	if (pthread_attr_init(&attr)) exit(-1);
1968	if (pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM)) exit(-1);
1969	if (pthread_create(&id, &attr, foo, NULL)) exit(-1);
1970	exit(0);
1971	}],
1972	ac_cv_pthread_system_supported=yes,
1973	ac_cv_pthread_system_supported=no,
1974	ac_cv_pthread_system_supported=no)
1975	])
1976	AC_MSG_RESULT($ac_cv_pthread_system_supported)
1977	if test "$ac_cv_pthread_system_supported" = "yes"; then
1978	AC_DEFINE(PTHREAD_SYSTEM_SCHED_SUPPORTED, 1, [Defined if PTHREAD_SCOPE_SYSTEM supported.])
1979	fi
1980	AC_CHECK_FUNCS(pthread_sigmask,
1981	[case $ac_sys_system in
1982	CYGWIN*)
1983	AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1,
1984	[Define if pthread_sigmask() does not work on your system.])
1985	;;
1986	esac])
1987	fi
1988
1989
1990	# Check for enable-ipv6
1991	AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified])
1992	AC_MSG_CHECKING([if --enable-ipv6 is specified])
1993	AC_ARG_ENABLE(ipv6,
1994	[ --enable-ipv6 Enable ipv6 (with ipv4) support
1995	--disable-ipv6 Disable ipv6 support],
1996	[ case "$enableval" in
1997	no)
1998	AC_MSG_RESULT(no)
1999	ipv6=no
2000	;;
2001	*) AC_MSG_RESULT(yes)
2002	AC_DEFINE(ENABLE_IPV6)
2003	ipv6=yes
2004	;;
2005	esac ],
2006
2007	[
2008	dnl the check does not work on cross compilation case...
2009	AC_TRY_RUN([ /* AF_INET6 available check */
2010	#include <sys/types.h>
2011	#include <sys/socket.h>
2012	main()
2013	{
2014	if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
2015	exit(1);
2016	else
2017	exit(0);
2018	}
2019	],
2020	AC_MSG_RESULT(yes)
2021	ipv6=yes,
2022	AC_MSG_RESULT(no)
2023	ipv6=no,
2024	AC_MSG_RESULT(no)
2025	ipv6=no
2026	)
2027
2028	if test "$ipv6" = "yes"; then
2029	AC_MSG_CHECKING(if RFC2553 API is available)
2030	AC_TRY_COMPILE([#include <sys/types.h>
2031	#include <netinet/in.h>],
2032	[struct sockaddr_in6 x;
2033	x.sin6_scope_id;],
2034	AC_MSG_RESULT(yes)
2035	ipv6=yes,
2036	AC_MSG_RESULT(no, IPv6 disabled)
2037	ipv6=no)
2038	fi
2039
2040	if test "$ipv6" = "yes"; then
2041	AC_DEFINE(ENABLE_IPV6)
2042	fi
2043	])
2044
2045	ipv6type=unknown
2046	ipv6lib=none
2047	ipv6trylibc=no
2048
2049	if test "$ipv6" = "yes"; then
2050	AC_MSG_CHECKING([ipv6 stack type])
2051	for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta;
2052	do
2053	case $i in
2054	inria)
2055	dnl http://www.kame.net/
2056	AC_EGREP_CPP(yes, [
2057	#include <netinet/in.h>
2058	#ifdef IPV6_INRIA_VERSION
2059	yes
2060	#endif],
2061	[ipv6type=$i])
2062	;;
2063	kame)
2064	dnl http://www.kame.net/
2065	AC_EGREP_CPP(yes, [
2066	#include <netinet/in.h>
2067	#ifdef __KAME__
2068	yes
2069	#endif],
2070	[ipv6type=$i;
2071	ipv6lib=inet6
2072	ipv6libdir=/usr/local/v6/lib
2073	ipv6trylibc=yes])
2074	;;
2075	linux-glibc)
2076	dnl http://www.v6.linux.or.jp/
2077	AC_EGREP_CPP(yes, [
2078	#include <features.h>
2079	#if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) \|\| (__GLIBC__ > 2))
2080	yes
2081	#endif],
2082	[ipv6type=$i;
2083	ipv6trylibc=yes])
2084	;;
2085	linux-inet6)
2086	dnl http://www.v6.linux.or.jp/
2087	if test -d /usr/inet6; then
2088	ipv6type=$i
2089	ipv6lib=inet6
2090	ipv6libdir=/usr/inet6/lib
2091	BASECFLAGS="-I/usr/inet6/include $BASECFLAGS"
2092	fi
2093	;;
2094	solaris)
2095	if test -f /etc/netconfig; then
2096	if /usr/xpg4/bin/grep -q tcp6 /etc/netconfig; then
2097	ipv6type=$i
2098	ipv6trylibc=yes
2099	fi
2100	fi
2101	;;
2102	toshiba)
2103	AC_EGREP_CPP(yes, [
2104	#include <sys/param.h>
2105	#ifdef _TOSHIBA_INET6
2106	yes
2107	#endif],
2108	[ipv6type=$i;
2109	ipv6lib=inet6;
2110	ipv6libdir=/usr/local/v6/lib])
2111	;;
2112	v6d)
2113	AC_EGREP_CPP(yes, [
2114	#include </usr/local/v6/include/sys/v6config.h>
2115	#ifdef __V6D__
2116	yes
2117	#endif],
2118	[ipv6type=$i;
2119	ipv6lib=v6;
2120	ipv6libdir=/usr/local/v6/lib;
2121	BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"])
2122	;;
2123	zeta)
2124	AC_EGREP_CPP(yes, [
2125	#include <sys/param.h>
2126	#ifdef _ZETA_MINAMI_INET6
2127	yes
2128	#endif],
2129	[ipv6type=$i;
2130	ipv6lib=inet6;
2131	ipv6libdir=/usr/local/v6/lib])
2132	;;
2133	esac
2134	if test "$ipv6type" != "unknown"; then
2135	break
2136	fi
2137	done
2138	AC_MSG_RESULT($ipv6type)
2139	fi
2140
2141	if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
2142	if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
2143	LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
2144	echo "using lib$ipv6lib"
2145	else
2146	if test $ipv6trylibc = "yes"; then
2147	echo "using libc"
2148	else
2149	echo 'Fatal: no $ipv6lib library found. cannot continue.'
2150	echo "You need to fetch lib$ipv6lib.a from appropriate"
2151	echo 'ipv6 kit and compile beforehand.'
2152	exit 1
2153	fi
2154	fi
2155	fi
2156
2157	# Check for --with-doc-strings
2158	AC_MSG_CHECKING(for --with-doc-strings)
2159	AC_ARG_WITH(doc-strings,
2160	AC_HELP_STRING(--with(out)-doc-strings, disable/enable documentation strings))
2161
2162	if test -z "$with_doc_strings"
2163	then with_doc_strings="yes"
2164	fi
2165	if test "$with_doc_strings" != "no"
2166	then
2167	AC_DEFINE(WITH_DOC_STRINGS, 1,
2168	[Define if you want documentation strings in extension modules])
2169	fi
2170	AC_MSG_RESULT($with_doc_strings)
2171
2172	# Check for Python-specific malloc support
2173	AC_MSG_CHECKING(for --with-tsc)
2174	AC_ARG_WITH(tsc,
2175	[ --with(out)-tsc enable/disable timestamp counter profile], [
2176	if test "$withval" != no
2177	then
2178	AC_DEFINE(WITH_TSC, 1,
2179	[Define to profile with the Pentium timestamp counter])
2180	AC_MSG_RESULT(yes)
2181	else AC_MSG_RESULT(no)
2182	fi],
2183	[AC_MSG_RESULT(no)])
2184
2185	# Check for Python-specific malloc support
2186	AC_MSG_CHECKING(for --with-pymalloc)
2187	AC_ARG_WITH(pymalloc,
2188	AC_HELP_STRING(--with(out)-pymalloc, disable/enable specialized mallocs))
2189
2190	if test -z "$with_pymalloc"
2191	then with_pymalloc="yes"
2192	fi
2193	if test "$with_pymalloc" != "no"
2194	then
2195	AC_DEFINE(WITH_PYMALLOC, 1,
2196	[Define if you want to compile in Python-specific mallocs])
2197	fi
2198	AC_MSG_RESULT($with_pymalloc)
2199
2200	# Check for --with-wctype-functions
2201	AC_MSG_CHECKING(for --with-wctype-functions)
2202	AC_ARG_WITH(wctype-functions,
2203	AC_HELP_STRING(--with-wctype-functions, use wctype.h functions),
2204	[
2205	if test "$withval" != no
2206	then
2207	AC_DEFINE(WANT_WCTYPE_FUNCTIONS, 1,
2208	[Define if you want wctype.h functions to be used instead of the
2209	one supplied by Python itself. (see Include/unicodectype.h).])
2210	AC_MSG_RESULT(yes)
2211	else AC_MSG_RESULT(no)
2212	fi],
2213	[AC_MSG_RESULT(no)])
2214
2215	# -I${DLINCLDIR} is added to the compile rule for importdl.o
2216	AC_SUBST(DLINCLDIR)
2217	DLINCLDIR=.
2218
2219	# the dlopen() function means we might want to use dynload_shlib.o. some
2220	# platforms, such as AIX, have dlopen(), but don't want to use it.
2221	AC_CHECK_FUNCS(dlopen)
2222
2223	# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
2224	# loading of modules.
2225	AC_SUBST(DYNLOADFILE)
2226	AC_MSG_CHECKING(DYNLOADFILE)
2227	if test -z "$DYNLOADFILE"
2228	then
2229	case $ac_sys_system/$ac_sys_release in
2230	AIX*) # Use dynload_shlib.c and dlopen() if we have it; otherwise dynload_aix.c
2231	if test "$ac_cv_func_dlopen" = yes
2232	then DYNLOADFILE="dynload_shlib.o"
2233	else DYNLOADFILE="dynload_aix.o"
2234	fi
2235	;;
2236	BeOS*) DYNLOADFILE="dynload_beos.o";;
2237	hp\|HP) DYNLOADFILE="dynload_hpux.o";;
2238	# Use dynload_next.c only on 10.2 and below, which don't have native dlopen()
2239	Darwin/@<:@0156@:>@\..*) DYNLOADFILE="dynload_next.o";;
2240	atheos*) DYNLOADFILE="dynload_atheos.o";;
2241	*)
2242	# use dynload_shlib.c and dlopen() if we have it; otherwise stub
2243	# out any dynamic loading
2244	if test "$ac_cv_func_dlopen" = yes
2245	then DYNLOADFILE="dynload_shlib.o"
2246	else DYNLOADFILE="dynload_stub.o"
2247	fi
2248	;;
2249	esac
2250	fi
2251	AC_MSG_RESULT($DYNLOADFILE)
2252	if test "$DYNLOADFILE" != "dynload_stub.o"
2253	then
2254	AC_DEFINE(HAVE_DYNAMIC_LOADING, 1,
2255	[Defined when any dynamic module loading is enabled.])
2256	fi
2257
2258	# MACHDEP_OBJS can be set to platform-specific object files needed by Python
2259
2260	AC_SUBST(MACHDEP_OBJS)
2261	AC_MSG_CHECKING(MACHDEP_OBJS)
2262	if test -z "$MACHDEP_OBJS"
2263	then
2264	MACHDEP_OBJS=$extra_machdep_objs
2265	else
2266	MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs"
2267	fi
2268	AC_MSG_RESULT(MACHDEP_OBJS)
2269
2270	# checks for library functions
2271	AC_CHECK_FUNCS(alarm bind_textdomain_codeset chown clock confstr ctermid \
2272	execv fork fpathconf ftime ftruncate \
2273	gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
2274	getpriority getpwent getspnam getspent getsid getwd \
2275	kill killpg lchown lstat mkfifo mknod mktime \
2276	mremap nice pathconf pause plock poll pthread_init \
2277	putenv readlink realpath \
2278	select setegid seteuid setgid \
2279	setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
2280	sigaction siginterrupt sigrelse strftime \
2281	sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
2282	truncate uname unsetenv utimes waitpid wait3 wait4 wcscoll _getpty)
2283
2284	# For some functions, having a definition is not sufficient, since
2285	# we want to take their address.
2286	AC_MSG_CHECKING(for chroot)
2287	AC_TRY_COMPILE([#include <unistd.h>], void *x=chroot,
2288	AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.)
2289	AC_MSG_RESULT(yes),
2290	AC_MSG_RESULT(no)
2291	)
2292	AC_MSG_CHECKING(for link)
2293	AC_TRY_COMPILE([#include <unistd.h>], void *x=link,
2294	AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.)
2295	AC_MSG_RESULT(yes),
2296	AC_MSG_RESULT(no)
2297	)
2298	AC_MSG_CHECKING(for symlink)
2299	AC_TRY_COMPILE([#include <unistd.h>], void *x=symlink,
2300	AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.)
2301	AC_MSG_RESULT(yes),
2302	AC_MSG_RESULT(no)
2303	)
2304	AC_MSG_CHECKING(for fchdir)
2305	AC_TRY_COMPILE([#include <unistd.h>], void *x=fchdir,
2306	AC_DEFINE(HAVE_FCHDIR, 1, Define if you have the 'fchdir' function.)
2307	AC_MSG_RESULT(yes),
2308	AC_MSG_RESULT(no)
2309	)
2310	AC_MSG_CHECKING(for fsync)
2311	AC_TRY_COMPILE([#include <unistd.h>], void *x=fsync,
2312	AC_DEFINE(HAVE_FSYNC, 1, Define if you have the 'fsync' function.)
2313	AC_MSG_RESULT(yes),
2314	AC_MSG_RESULT(no)
2315	)
2316	AC_MSG_CHECKING(for fdatasync)
2317	AC_TRY_COMPILE([#include <unistd.h>], void *x=fdatasync,
2318	AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.)
2319	AC_MSG_RESULT(yes),
2320	AC_MSG_RESULT(no)
2321	)
2322
2323	# On some systems (eg. FreeBSD 5), we would find a definition of the
2324	# functions ctermid_r, setgroups in the library, but no prototype
2325	# (e.g. because we use _XOPEN_SOURCE). See whether we can take their
2326	# address to avoid compiler warnings and potential miscompilations
2327	# because of the missing prototypes.
2328
2329	AC_MSG_CHECKING(for ctermid_r)
2330	AC_TRY_COMPILE([
2331	#include "confdefs.h"
2332	#include <stdio.h>
2333	], void* p = ctermid_r,
2334	AC_DEFINE(HAVE_CTERMID_R, 1, Define if you have the 'ctermid_r' function.)
2335	AC_MSG_RESULT(yes),
2336	AC_MSG_RESULT(no)
2337	)
2338
2339	AC_MSG_CHECKING(for flock)
2340	AC_TRY_COMPILE([
2341	#include "confdefs.h"
2342	#include <sys/file.h>
2343	], void* p = flock,
2344	AC_DEFINE(HAVE_FLOCK, 1, Define if you have the 'flock' function.)
2345	AC_MSG_RESULT(yes),
2346	AC_MSG_RESULT(no)
2347	)
2348
2349	AC_MSG_CHECKING(for getpagesize)
2350	AC_TRY_COMPILE([
2351	#include "confdefs.h"
2352	#include <unistd.h>
2353	], void* p = getpagesize,
2354	AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.)
2355	AC_MSG_RESULT(yes),
2356	AC_MSG_RESULT(no)
2357	)
2358
2359	dnl check for true
2360	AC_CHECK_PROGS(TRUE, true, /bin/true)
2361
2362	dnl On some systems (e.g. Solaris 9), hstrerror and inet_aton are in -lresolv
2363	dnl On others, they are in the C library, so we to take no action
2364	AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE],
2365	AC_CHECK_LIB(resolv, inet_aton)
2366	)
2367
2368	dnl Check if system zlib has *Copy() functions
2369	dnl
2370	dnl On MacOSX the linker will search for dylibs on the entire linker path
2371	dnl before searching for static libraries. setup.py adds -Wl,-search_paths_first
2372	dnl to revert to a more traditional unix behaviour and make it possible to
2373	dnl override the system libz with a local static library of libz. Temporarily
2374	dnl add that flag to our CFLAGS as well to ensure that we check the version
2375	dnl of libz that will be used by setup.py.
2376	dnl The -L/usr/local/lib is needed as wel to get the same compilation
2377	dnl environment as setup.py (and leaving it out can cause configure to use the
2378	dnl wrong version of the library)
2379	case $ac_sys_system/$ac_sys_release in
2380	Darwin/*)
2381	_CUR_CFLAGS="${CFLAGS}"
2382	_CUR_LDFLAGS="${LDFLAGS}"
2383	CFLAGS="${CFLAGS} -Wl,-search_paths_first"
2384	LDFLAGS="${LDFLAGS} -Wl,-search_paths_first -L/usr/local/lib"
2385	;;
2386	esac
2387
2388	AC_CHECK_LIB(z, inflateCopy, AC_DEFINE(HAVE_ZLIB_COPY, 1, Define if the zlib library has inflateCopy))
2389
2390	case $ac_sys_system/$ac_sys_release in
2391	Darwin/*)
2392	CFLAGS="${_CUR_CFLAGS}"
2393	LDFLAGS="${_CUR_LDFLAGS}"
2394	;;
2395	esac
2396
2397	AC_MSG_CHECKING(for hstrerror)
2398	AC_TRY_LINK([
2399	#include "confdefs.h"
2400	#include <netdb.h>
2401	], void* p = hstrerror; hstrerror(0),
2402	AC_DEFINE(HAVE_HSTRERROR, 1, Define if you have the 'hstrerror' function.)
2403	AC_MSG_RESULT(yes),
2404	AC_MSG_RESULT(no)
2405	)
2406
2407	AC_MSG_CHECKING(for inet_aton)
2408	AC_TRY_LINK([
2409	#include "confdefs.h"
2410	#include <sys/types.h>
2411	#include <sys/socket.h>
2412	#include <netinet/in.h>
2413	#include <arpa/inet.h>
2414	], void* p = inet_aton;inet_aton(0,0),
2415	AC_DEFINE(HAVE_INET_ATON, 1, Define if you have the 'inet_aton' function.)
2416	AC_MSG_RESULT(yes),
2417	AC_MSG_RESULT(no)
2418	)
2419
2420	AC_MSG_CHECKING(for inet_pton)
2421	AC_TRY_COMPILE([
2422	#include "confdefs.h"
2423	#include <sys/types.h>
2424	#include <sys/socket.h>
2425	#include <netinet/in.h>
2426	#include <arpa/inet.h>
2427	], void* p = inet_pton,
2428	AC_DEFINE(HAVE_INET_PTON, 1, Define if you have the 'inet_pton' function.)
2429	AC_MSG_RESULT(yes),
2430	AC_MSG_RESULT(no)
2431	)
2432
2433	# On some systems, setgroups is in unistd.h, on others, in grp.h
2434	AC_MSG_CHECKING(for setgroups)
2435	AC_TRY_COMPILE([
2436	#include "confdefs.h"
2437	#include <unistd.h>
2438	#ifdef HAVE_GRP_H
2439	#include <grp.h>
2440	#endif
2441	],
2442	void* p = setgroups,
2443	AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.)
2444	AC_MSG_RESULT(yes),
2445	AC_MSG_RESULT(no)
2446	)
2447
2448	# check for openpty and forkpty
2449
2450	AC_CHECK_FUNCS(openpty,,
2451	AC_CHECK_LIB(util,openpty,
2452	[AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"],
2453	AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"])
2454	)
2455	)
2456	AC_CHECK_FUNCS(forkpty,,
2457	AC_CHECK_LIB(util,forkpty,
2458	[AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"],
2459	AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"])
2460	)
2461	)
2462
2463	# check for long file support functions
2464	AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
2465
2466	AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
2467	AC_CHECK_FUNCS(getpgrp,
2468	AC_TRY_COMPILE([#include <unistd.h>],
2469	[getpgrp(0);],
2470	AC_DEFINE(GETPGRP_HAVE_ARG, 1,
2471	[Define if getpgrp() must be called as getpgrp(0).])
2472	)
2473	)
2474	AC_CHECK_FUNCS(setpgrp,
2475	AC_TRY_COMPILE([#include <unistd.h>],
2476	[setpgrp(0,0);],
2477	AC_DEFINE(SETPGRP_HAVE_ARG, 1,
2478	[Define if setpgrp() must be called as setpgrp(0, 0).])
2479	)
2480	)
2481	AC_CHECK_FUNCS(gettimeofday,
2482	AC_TRY_COMPILE([#include <sys/time.h>],
2483	[gettimeofday((struct timeval)0,(struct timezone)0);], ,
2484	AC_DEFINE(GETTIMEOFDAY_NO_TZ, 1,
2485	[Define if gettimeofday() does not have second (timezone) argument
2486	This is the case on Motorola V4 (R40V4.2)])
2487	)
2488	)
2489
2490	AC_MSG_CHECKING(for major, minor, and makedev)
2491	AC_TRY_LINK([
2492	#if defined(MAJOR_IN_MKDEV)
2493	#include <sys/mkdev.h>
2494	#elif defined(MAJOR_IN_SYSMACROS)
2495	#include <sys/sysmacros.h>
2496	#else
2497	#include <sys/types.h>
2498	#endif
2499	],[
2500	makedev(major(0),minor(0));
2501	],[
2502	AC_DEFINE(HAVE_DEVICE_MACROS, 1,
2503	[Define to 1 if you have the device macros.])
2504	AC_MSG_RESULT(yes)
2505	],[
2506	AC_MSG_RESULT(no)
2507	])
2508
2509	# On OSF/1 V5.1, getaddrinfo is available, but a define
2510	# for [no]getaddrinfo in netdb.h.
2511	AC_MSG_CHECKING(for getaddrinfo)
2512	AC_TRY_LINK([
2513	#include <sys/types.h>
2514	#include <sys/socket.h>
2515	#include <netdb.h>
2516	#include <stdio.h>
2517	],[
2518	getaddrinfo(NULL, NULL, NULL, NULL);
2519	], [
2520	AC_MSG_RESULT(yes)
2521	AC_MSG_CHECKING(getaddrinfo bug)
2522	AC_TRY_RUN([
2523	#include <sys/types.h>
2524	#include <netdb.h>
2525	#include <string.h>
2526	#include <sys/socket.h>
2527	#include <netinet/in.h>
2528
2529	main()
2530	{
2531	int passive, gaierr, inet4 = 0, inet6 = 0;
2532	struct addrinfo hints, ai, aitop;
2533	char straddr[INET6_ADDRSTRLEN], strport[16];
2534
2535	for (passive = 0; passive <= 1; passive++) {
2536	memset(&hints, 0, sizeof(hints));
2537	hints.ai_family = AF_UNSPEC;
2538	hints.ai_flags = passive ? AI_PASSIVE : 0;
2539	hints.ai_socktype = SOCK_STREAM;
2540	hints.ai_protocol = IPPROTO_TCP;
2541	if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
2542	(void)gai_strerror(gaierr);
2543	goto bad;
2544	}
2545	for (ai = aitop; ai; ai = ai->ai_next) {
2546	if (ai->ai_addr == NULL \|\|
2547	ai->ai_addrlen == 0 \|\|
2548	getnameinfo(ai->ai_addr, ai->ai_addrlen,
2549	straddr, sizeof(straddr), strport, sizeof(strport),
2550	NI_NUMERICHOST\|NI_NUMERICSERV) != 0) {
2551	goto bad;
2552	}
2553	switch (ai->ai_family) {
2554	case AF_INET:
2555	if (strcmp(strport, "54321") != 0) {
2556	goto bad;
2557	}
2558	if (passive) {
2559	if (strcmp(straddr, "0.0.0.0") != 0) {
2560	goto bad;
2561	}
2562	} else {
2563	if (strcmp(straddr, "127.0.0.1") != 0) {
2564	goto bad;
2565	}
2566	}
2567	inet4++;
2568	break;
2569	case AF_INET6:
2570	if (strcmp(strport, "54321") != 0) {
2571	goto bad;
2572	}
2573	if (passive) {
2574	if (strcmp(straddr, "::") != 0) {
2575	goto bad;
2576	}
2577	} else {
2578	if (strcmp(straddr, "::1") != 0) {
2579	goto bad;
2580	}
2581	}
2582	inet6++;
2583	break;
2584	case AF_UNSPEC:
2585	goto bad;
2586	break;
2587	default:
2588	/* another family support? */
2589	break;
2590	}
2591	}
2592	}
2593
2594	if (!(inet4 == 0 \|\| inet4 == 2))
2595	goto bad;
2596	if (!(inet6 == 0 \|\| inet6 == 2))
2597	goto bad;
2598
2599	if (aitop)
2600	freeaddrinfo(aitop);
2601	exit(0);
2602
2603	bad:
2604	if (aitop)
2605	freeaddrinfo(aitop);
2606	exit(1);
2607	}
2608	],
2609	AC_MSG_RESULT(good)
2610	buggygetaddrinfo=no,
2611	AC_MSG_RESULT(buggy)
2612	buggygetaddrinfo=yes,
2613	AC_MSG_RESULT(buggy)
2614	buggygetaddrinfo=yes)], [
2615	AC_MSG_RESULT(no)
2616	buggygetaddrinfo=yes
2617	])
2618
2619	if test "$buggygetaddrinfo" = "yes"; then
2620	if test "$ipv6" = "yes"; then
2621	echo 'Fatal: You must get working getaddrinfo() function.'
2622	echo ' or you can specify "--disable-ipv6"'.
2623	exit 1
2624	fi
2625	else
2626	AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.])
2627	fi
2628	AC_CHECK_FUNCS(getnameinfo)
2629
2630	# checks for structures
2631	AC_HEADER_TIME
2632	AC_STRUCT_TM
2633	AC_STRUCT_TIMEZONE
2634	AC_CHECK_MEMBERS([struct stat.st_rdev])
2635	AC_CHECK_MEMBERS([struct stat.st_blksize])
2636	AC_CHECK_MEMBERS([struct stat.st_flags])
2637	AC_CHECK_MEMBERS([struct stat.st_gen])
2638	AC_CHECK_MEMBERS([struct stat.st_birthtime])
2639	AC_STRUCT_ST_BLOCKS
2640
2641	AC_MSG_CHECKING(for time.h that defines altzone)
2642	AC_CACHE_VAL(ac_cv_header_time_altzone,
2643	[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
2644	ac_cv_header_time_altzone=yes,
2645	ac_cv_header_time_altzone=no)])
2646	AC_MSG_RESULT($ac_cv_header_time_altzone)
2647	if test $ac_cv_header_time_altzone = yes; then
2648	AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.])
2649	fi
2650
2651	was_it_defined=no
2652	AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
2653	AC_TRY_COMPILE([
2654	#include <sys/types.h>
2655	#include <sys/select.h>
2656	#include <sys/time.h>
2657	], [;], [
2658	AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1,
2659	[Define if you can safely include both <sys/select.h> and <sys/time.h>
2660	(which you can't on SCO ODT 3.0).])
2661	was_it_defined=yes
2662	])
2663	AC_MSG_RESULT($was_it_defined)
2664
2665	AC_MSG_CHECKING(for addrinfo)
2666	AC_CACHE_VAL(ac_cv_struct_addrinfo,
2667	AC_TRY_COMPILE([
2668	# include <netdb.h>],
2669	[struct addrinfo a],
2670	ac_cv_struct_addrinfo=yes,
2671	ac_cv_struct_addrinfo=no))
2672	AC_MSG_RESULT($ac_cv_struct_addrinfo)
2673	if test $ac_cv_struct_addrinfo = yes; then
2674	AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)])
2675	fi
2676
2677	AC_MSG_CHECKING(for sockaddr_storage)
2678	AC_CACHE_VAL(ac_cv_struct_sockaddr_storage,
2679	AC_TRY_COMPILE([
2680	# include <sys/types.h>
2681	# include <sys/socket.h>],
2682	[struct sockaddr_storage s],
2683	ac_cv_struct_sockaddr_storage=yes,
2684	ac_cv_struct_sockaddr_storage=no))
2685	AC_MSG_RESULT($ac_cv_struct_sockaddr_storage)
2686	if test $ac_cv_struct_sockaddr_storage = yes; then
2687	AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)])
2688	fi
2689
2690	# checks for compiler characteristics
2691
2692	AC_C_CHAR_UNSIGNED
2693	AC_C_CONST
2694
2695	works=no
2696	AC_MSG_CHECKING(for working volatile)
2697	AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes,
2698	AC_DEFINE(volatile, [], [Define to empty if the keyword does not work.])
2699	)
2700	AC_MSG_RESULT($works)
2701
2702	works=no
2703	AC_MSG_CHECKING(for working signed char)
2704	AC_TRY_COMPILE([], [signed char c;], works=yes,
2705	AC_DEFINE(signed, [], [Define to empty if the keyword does not work.])
2706	)
2707	AC_MSG_RESULT($works)
2708
2709	have_prototypes=no
2710	AC_MSG_CHECKING(for prototypes)
2711	AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],[
2712	AC_DEFINE(HAVE_PROTOTYPES, 1,
2713	[Define if your compiler supports function prototype])
2714	have_prototypes=yes
2715	])
2716	AC_MSG_RESULT($have_prototypes)
2717
2718	works=no
2719	AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
2720	AC_TRY_COMPILE([
2721	#include <stdarg.h>
2722	int foo(int x, ...) {
2723	va_list va;
2724	va_start(va, x);
2725	va_arg(va, int);
2726	va_arg(va, char *);
2727	va_arg(va, double);
2728	return 0;
2729	}
2730	], [return foo(10, "", 3.14);], [
2731	AC_DEFINE(HAVE_STDARG_PROTOTYPES, 1,
2732	[Define if your compiler supports variable length function prototypes
2733	(e.g. void fprintf(FILE , char , ...);) and <stdarg.h>])
2734	works=yes
2735	])
2736	AC_MSG_RESULT($works)
2737
2738	# check for socketpair
2739	AC_MSG_CHECKING(for socketpair)
2740	AC_TRY_COMPILE([
2741	#include <sys/types.h>
2742	#include <sys/socket.h>
2743	], void *x=socketpair,
2744	AC_DEFINE(HAVE_SOCKETPAIR, 1, Define if you have the 'socketpair' function.)
2745	AC_MSG_RESULT(yes),
2746	AC_MSG_RESULT(no)
2747	)
2748
2749	# check if sockaddr has sa_len member
2750	AC_MSG_CHECKING(if sockaddr has sa_len member)
2751	AC_TRY_COMPILE([#include <sys/types.h>
2752	#include <sys/socket.h>],
2753	[struct sockaddr x;
2754	x.sa_len = 0;],
2755	AC_MSG_RESULT(yes)
2756	AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member]),
2757	AC_MSG_RESULT(no))
2758
2759	va_list_is_array=no
2760	AC_MSG_CHECKING(whether va_list is an array)
2761	AC_TRY_COMPILE([
2762	#ifdef HAVE_STDARG_PROTOTYPES
2763	#include <stdarg.h>
2764	#else
2765	#include <varargs.h>
2766	#endif
2767	], [va_list list1, list2; list1 = list2;], , [
2768	AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind])
2769	va_list_is_array=yes
2770	])
2771	AC_MSG_RESULT($va_list_is_array)
2772
2773	# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
2774	AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
2775	[Define this if you have some version of gethostbyname_r()])
2776
2777	AC_CHECK_FUNC(gethostbyname_r, [
2778	AC_DEFINE(HAVE_GETHOSTBYNAME_R)
2779	AC_MSG_CHECKING([gethostbyname_r with 6 args])
2780	OLD_CFLAGS=$CFLAGS
2781	CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
2782	AC_TRY_COMPILE([
2783	# include <netdb.h>
2784	], [
2785	char *name;
2786	struct hostent he, res;
2787	char buffer[2048];
2788	int buflen = 2048;
2789	int h_errnop;
2790
2791	(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
2792	], [
2793	AC_DEFINE(HAVE_GETHOSTBYNAME_R)
2794	AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
2795	[Define this if you have the 6-arg version of gethostbyname_r().])
2796	AC_MSG_RESULT(yes)
2797	], [
2798	AC_MSG_RESULT(no)
2799	AC_MSG_CHECKING([gethostbyname_r with 5 args])
2800	AC_TRY_COMPILE([
2801	# include <netdb.h>
2802	], [
2803	char *name;
2804	struct hostent *he;
2805	char buffer[2048];
2806	int buflen = 2048;
2807	int h_errnop;
2808
2809	(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
2810	], [
2811	AC_DEFINE(HAVE_GETHOSTBYNAME_R)
2812	AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
2813	[Define this if you have the 5-arg version of gethostbyname_r().])
2814	AC_MSG_RESULT(yes)
2815	], [
2816	AC_MSG_RESULT(no)
2817	AC_MSG_CHECKING([gethostbyname_r with 3 args])
2818	AC_TRY_COMPILE([
2819	# include <netdb.h>
2820	], [
2821	char *name;
2822	struct hostent *he;
2823	struct hostent_data data;
2824
2825	(void) gethostbyname_r(name, he, &data);
2826	], [
2827	AC_DEFINE(HAVE_GETHOSTBYNAME_R)
2828	AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
2829	[Define this if you have the 3-arg version of gethostbyname_r().])
2830	AC_MSG_RESULT(yes)
2831	], [
2832	AC_MSG_RESULT(no)
2833	])
2834	])
2835	])
2836	CFLAGS=$OLD_CFLAGS
2837	], [
2838	AC_CHECK_FUNCS(gethostbyname)
2839	])
2840	AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
2841	AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
2842	AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
2843	AC_SUBST(HAVE_GETHOSTBYNAME_R)
2844	AC_SUBST(HAVE_GETHOSTBYNAME)
2845
2846	# checks for system services
2847	# (none yet)
2848
2849	# Linux requires this for correct f.p. operations
2850	AC_CHECK_FUNC(__fpu_control,
2851	[],
2852	[AC_CHECK_LIB(ieee, __fpu_control)
2853	])
2854
2855	# Check for --with-fpectl
2856	AC_MSG_CHECKING(for --with-fpectl)
2857	AC_ARG_WITH(fpectl,
2858	AC_HELP_STRING(--with-fpectl, enable SIGFPE catching),
2859	[
2860	if test "$withval" != no
2861	then
2862	AC_DEFINE(WANT_SIGFPE_HANDLER, 1,
2863	[Define if you want SIGFPE handled (see Include/pyfpe.h).])
2864	AC_MSG_RESULT(yes)
2865	else AC_MSG_RESULT(no)
2866	fi],
2867	[AC_MSG_RESULT(no)])
2868
2869	# check for --with-libm=...
2870	AC_SUBST(LIBM)
2871	case $ac_sys_system in
2872	Darwin) ;;
2873	BeOS) ;;
2874	*) LIBM=-lm
2875	esac
2876	AC_MSG_CHECKING(for --with-libm=STRING)
2877	AC_ARG_WITH(libm,
2878	AC_HELP_STRING(--with-libm=STRING, math library),
2879	[
2880	if test "$withval" = no
2881	then LIBM=
2882	AC_MSG_RESULT(force LIBM empty)
2883	elif test "$withval" != yes
2884	then LIBM=$withval
2885	AC_MSG_RESULT(set LIBM="$withval")
2886	else AC_MSG_ERROR([proper usage is --with-libm=STRING])
2887	fi],
2888	[AC_MSG_RESULT(default LIBM="$LIBM")])
2889
2890	# check for --with-libc=...
2891	AC_SUBST(LIBC)
2892	AC_MSG_CHECKING(for --with-libc=STRING)
2893	AC_ARG_WITH(libc,
2894	AC_HELP_STRING(--with-libc=STRING, C library),
2895	[
2896	if test "$withval" = no
2897	then LIBC=
2898	AC_MSG_RESULT(force LIBC empty)
2899	elif test "$withval" != yes
2900	then LIBC=$withval
2901	AC_MSG_RESULT(set LIBC="$withval")
2902	else AC_MSG_ERROR([proper usage is --with-libc=STRING])
2903	fi],
2904	[AC_MSG_RESULT(default LIBC="$LIBC")])
2905
2906	# check for hypot() in math library
2907	LIBS_SAVE=$LIBS
2908	LIBS="$LIBS $LIBM"
2909	AC_REPLACE_FUNCS(hypot)
2910	LIBS=$LIBS_SAVE
2911
2912	# check for wchar.h
2913	AC_CHECK_HEADER(wchar.h, [
2914	AC_DEFINE(HAVE_WCHAR_H, 1,
2915	[Define if the compiler provides a wchar.h header file.])
2916	wchar_h="yes"
2917	],
2918	wchar_h="no"
2919	)
2920
2921	# determine wchar_t size
2922	if test "$wchar_h" = yes
2923	then
2924	AC_CHECK_SIZEOF(wchar_t, 4, [#include <wchar.h>])
2925	fi
2926
2927	AC_MSG_CHECKING(for UCS-4 tcl)
2928	have_ucs4_tcl=no
2929	AC_TRY_COMPILE([
2930	#include <tcl.h>
2931	#if TCL_UTF_MAX != 6
2932	# error "NOT UCS4_TCL"
2933	#endif], [], [
2934	AC_DEFINE(HAVE_UCS4_TCL, 1, [Define this if you have tcl and TCL_UTF_MAX==6])
2935	have_ucs4_tcl=yes
2936	])
2937	AC_MSG_RESULT($have_ucs4_tcl)
2938
2939	# check whether wchar_t is signed or not
2940	if test "$wchar_h" = yes
2941	then
2942	# check whether wchar_t is signed or not
2943	AC_MSG_CHECKING(whether wchar_t is signed)
2944	AC_CACHE_VAL(ac_cv_wchar_t_signed, [
2945	AC_TRY_RUN([
2946	#include <wchar.h>
2947	int main()
2948	{
2949	/* Success: exit code 0 */
2950	exit((((wchar_t) -1) < ((wchar_t) 0)) ? 0 : 1);
2951	}
2952	],
2953	ac_cv_wchar_t_signed=yes,
2954	ac_cv_wchar_t_signed=no,
2955	ac_cv_wchar_t_signed=yes)])
2956	AC_MSG_RESULT($ac_cv_wchar_t_signed)
2957	fi
2958
2959	AC_MSG_CHECKING(what type to use for unicode)
2960	dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output
2961	AC_ARG_ENABLE(unicode,
2962	AC_HELP_STRING(--enable-unicode@<:@=ucs@<:@24@:>@@:>@, Enable Unicode strings (default is yes)),
2963	[],
2964	[enable_unicode=yes])
2965
2966	if test $enable_unicode = yes
2967	then
2968	# Without any arguments, Py_UNICODE defaults to two-byte mode
2969	case "$have_ucs4_tcl" in
2970	yes) enable_unicode="ucs4"
2971	;;
2972	*) enable_unicode="ucs2"
2973	;;
2974	esac
2975	fi
2976
2977	AH_TEMPLATE(Py_UNICODE_SIZE,
2978	[Define as the size of the unicode type.])
2979	case "$enable_unicode" in
2980	ucs2) unicode_size="2"
2981	AC_DEFINE(Py_UNICODE_SIZE,2)
2982	;;
2983	ucs4) unicode_size="4"
2984	AC_DEFINE(Py_UNICODE_SIZE,4)
2985	;;
2986	esac
2987
2988	AH_TEMPLATE(PY_UNICODE_TYPE,
2989	[Define as the integral type used for Unicode representation.])
2990
2991	AC_SUBST(UNICODE_OBJS)
2992	if test "$enable_unicode" = "no"
2993	then
2994	UNICODE_OBJS=""
2995	AC_MSG_RESULT(not used)
2996	else
2997	UNICODE_OBJS="Objects/unicodeobject.o Objects/unicodectype.o"
2998	AC_DEFINE(Py_USING_UNICODE, 1,
2999	[Define if you want to have a Unicode type.])
3000
3001	# wchar_t is only usable if it maps to an unsigned type
3002	if test "$unicode_size" = "$ac_cv_sizeof_wchar_t" \
3003	-a "$ac_cv_wchar_t_signed" = "no"
3004	then
3005	PY_UNICODE_TYPE="wchar_t"
3006	AC_DEFINE(HAVE_USABLE_WCHAR_T, 1,
3007	[Define if you have a useable wchar_t type defined in wchar.h; useable
3008	means wchar_t must be an unsigned type with at least 16 bits. (see
3009	Include/unicodeobject.h).])
3010	AC_DEFINE(PY_UNICODE_TYPE,wchar_t)
3011	elif test "$ac_cv_sizeof_short" = "$unicode_size"
3012	then
3013	PY_UNICODE_TYPE="unsigned short"
3014	AC_DEFINE(PY_UNICODE_TYPE,unsigned short)
3015	elif test "$ac_cv_sizeof_long" = "$unicode_size"
3016	then
3017	PY_UNICODE_TYPE="unsigned long"
3018	AC_DEFINE(PY_UNICODE_TYPE,unsigned long)
3019	else
3020	PY_UNICODE_TYPE="no type found"
3021	fi
3022	AC_MSG_RESULT($PY_UNICODE_TYPE)
3023	fi
3024
3025	# check for endianness
3026	AC_C_BIGENDIAN
3027	AH_VERBATIM([WORDS_BIGENDIAN],
3028	[
3029	/* Define to 1 if your processor stores words with the most significant byte
3030	first (like Motorola and SPARC, unlike Intel and VAX).
3031
3032	The block below does compile-time checking for endianness on platforms
3033	that use GCC and therefore allows compiling fat binaries on OSX by using
3034	'-arch ppc -arch i386' as the compile flags. The phrasing was choosen
3035	such that the configure-result is used on systems that don't use GCC.
3036	*/
3037	#ifdef __BIG_ENDIAN__
3038	#define WORDS_BIGENDIAN 1
3039	#else
3040	#ifndef __LITTLE_ENDIAN__
3041	#undef WORDS_BIGENDIAN
3042	#endif
3043	#endif])
3044
3045	# Check whether right shifting a negative integer extends the sign bit
3046	# or fills with zeros (like the Cray J90, according to Tim Peters).
3047	AC_MSG_CHECKING(whether right shift extends the sign bit)
3048	AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
3049	AC_TRY_RUN([
3050	int main()
3051	{
3052	exit(((-1)>>3 == -1) ? 0 : 1);
3053	}
3054	],
3055	ac_cv_rshift_extends_sign=yes,
3056	ac_cv_rshift_extends_sign=no,
3057	ac_cv_rshift_extends_sign=yes)])
3058	AC_MSG_RESULT($ac_cv_rshift_extends_sign)
3059	if test "$ac_cv_rshift_extends_sign" = no
3060	then
3061	AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1,
3062	[Define if i>>j for signed int i does not extend the sign bit
3063	when i < 0])
3064	fi
3065
3066	# check for getc_unlocked and related locking functions
3067	AC_MSG_CHECKING(for getc_unlocked() and friends)
3068	AC_CACHE_VAL(ac_cv_have_getc_unlocked, [
3069	AC_TRY_LINK([#include <stdio.h>],[
3070	FILE *f = fopen("/dev/null", "r");
3071	flockfile(f);
3072	getc_unlocked(f);
3073	funlockfile(f);
3074	], ac_cv_have_getc_unlocked=yes, ac_cv_have_getc_unlocked=no)])
3075	AC_MSG_RESULT($ac_cv_have_getc_unlocked)
3076	if test "$ac_cv_have_getc_unlocked" = yes
3077	then
3078	AC_DEFINE(HAVE_GETC_UNLOCKED, 1,
3079	[Define this if you have flockfile(), getc_unlocked(), and funlockfile()])
3080	fi
3081
3082	# check where readline lives
3083	# save the value of LIBS so we don't actually link Python with readline
3084	LIBS_no_readline=$LIBS
3085	AC_CHECK_LIB(readline, readline)
3086	if test "$ac_cv_have_readline_readline" = no
3087	then
3088	AC_CHECK_LIB(termcap, readline)
3089	fi
3090
3091	# check for readline 2.1
3092	AC_CHECK_LIB(readline, rl_callback_handler_install,
3093	AC_DEFINE(HAVE_RL_CALLBACK, 1,
3094	[Define if you have readline 2.1]), , )
3095
3096	# check for readline 2.2
3097	AC_TRY_CPP([#include <readline/readline.h>],
3098	have_readline=yes, have_readline=no)
3099	if test $have_readline = yes
3100	then
3101	AC_EGREP_HEADER([extern int rl_completion_append_character;],
3102	[readline/readline.h],
3103	AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
3104	[Define if you have readline 2.2]), )
3105	fi
3106
3107	# check for readline 4.0
3108	AC_CHECK_LIB(readline, rl_pre_input_hook,
3109	AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1,
3110	[Define if you have readline 4.0]), , )
3111
3112	# check for readline 4.2
3113	AC_CHECK_LIB(readline, rl_completion_matches,
3114	AC_DEFINE(HAVE_RL_COMPLETION_MATCHES, 1,
3115	[Define if you have readline 4.2]), , )
3116
3117	# also in readline 4.2
3118	AC_TRY_CPP([#include <readline/readline.h>],
3119	have_readline=yes, have_readline=no)
3120	if test $have_readline = yes
3121	then
3122	AC_EGREP_HEADER([extern int rl_catch_signals;],
3123	[readline/readline.h],
3124	AC_DEFINE(HAVE_RL_CATCH_SIGNAL, 1,
3125	[Define if you can turn off readline's signal handling.]), )
3126	fi
3127
3128	# End of readline checks: restore LIBS
3129	LIBS=$LIBS_no_readline
3130
3131	AC_MSG_CHECKING(for broken nice())
3132	AC_CACHE_VAL(ac_cv_broken_nice, [
3133	AC_TRY_RUN([
3134	int main()
3135	{
3136	int val1 = nice(1);
3137	if (val1 != -1 && val1 == nice(2))
3138	exit(0);
3139	exit(1);
3140	}
3141	],
3142	ac_cv_broken_nice=yes,
3143	ac_cv_broken_nice=no,
3144	ac_cv_broken_nice=no)])
3145	AC_MSG_RESULT($ac_cv_broken_nice)
3146	if test "$ac_cv_broken_nice" = yes
3147	then
3148	AC_DEFINE(HAVE_BROKEN_NICE, 1,
3149	[Define if nice() returns success/failure instead of the new priority.])
3150	fi
3151
3152	AC_MSG_CHECKING(for broken poll())
3153	AC_TRY_RUN([
3154	#include <poll.h>
3155
3156	int main (void)
3157	{
3158	struct pollfd poll_struct = { 42, POLLIN\|POLLPRI\|POLLOUT, 0 };
3159
3160	close (42);
3161
3162	int poll_test = poll (&poll_struct, 1, 0);
3163
3164	if (poll_test < 0)
3165	{
3166	exit(0);
3167	}
3168	else if (poll_test == 0 && poll_struct.revents != POLLNVAL)
3169	{
3170	exit(0);
3171	}
3172	else
3173	{
3174	exit(1);
3175	}
3176	}
3177	],
3178	ac_cv_broken_poll=yes,
3179	ac_cv_broken_poll=no,
3180	ac_cv_broken_poll=no)
3181	AC_MSG_RESULT($ac_cv_broken_poll)
3182	if test "$ac_cv_broken_poll" = yes
3183	then
3184	AC_DEFINE(HAVE_BROKEN_POLL, 1,
3185	[Define if poll() sets errno on invalid file descriptors.])
3186	fi
3187
3188	# Before we can test tzset, we need to check if struct tm has a tm_zone
3189	# (which is not required by ISO C or UNIX spec) and/or if we support
3190	# tzname[]
3191	AC_STRUCT_TIMEZONE
3192
3193	# check tzset(3) exists and works like we expect it to
3194	AC_MSG_CHECKING(for working tzset())
3195	AC_CACHE_VAL(ac_cv_working_tzset, [
3196	AC_TRY_RUN([
3197	#include <stdlib.h>
3198	#include <time.h>
3199	#include <string.h>
3200
3201	#if HAVE_TZNAME
3202	extern char *tzname[];
3203	#endif
3204
3205	int main()
3206	{
3207	/* Note that we need to ensure that not only does tzset(3)
3208	do 'something' with localtime, but it works as documented
3209	in the library reference and as expected by the test suite.
3210	This includes making sure that tzname is set properly if
3211	tm->tm_zone does not exist since it is the alternative way
3212	of getting timezone info.
3213
3214	Red Hat 6.2 doesn't understand the southern hemisphere
3215	after New Year's Day.
3216	*/
3217
3218	time_t groundhogday = 1044144000; /* GMT-based */
3219	time_t midyear = groundhogday + (365 * 24 * 3600 / 2);
3220
3221	putenv("TZ=UTC+0");
3222	tzset();
3223	if (localtime(&groundhogday)->tm_hour != 0)
3224	exit(1);
3225	#if HAVE_TZNAME
3226	/* For UTC, tzname[1] is sometimes "", sometimes " " */
3227	if (strcmp(tzname[0], "UTC") \|\|
3228	(tzname[1][0] != 0 && tzname[1][0] != ' '))
3229	exit(1);
3230	#endif
3231
3232	putenv("TZ=EST+5EDT,M4.1.0,M10.5.0");
3233	tzset();
3234	if (localtime(&groundhogday)->tm_hour != 19)
3235	exit(1);
3236	#if HAVE_TZNAME
3237	if (strcmp(tzname[0], "EST") \|\| strcmp(tzname[1], "EDT"))
3238	exit(1);
3239	#endif
3240
3241	putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0");
3242	tzset();
3243	if (localtime(&groundhogday)->tm_hour != 11)
3244	exit(1);
3245	#if HAVE_TZNAME
3246	if (strcmp(tzname[0], "AEST") \|\| strcmp(tzname[1], "AEDT"))
3247	exit(1);
3248	#endif
3249
3250	#if HAVE_STRUCT_TM_TM_ZONE
3251	if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT"))
3252	exit(1);
3253	if (strcmp(localtime(&midyear)->tm_zone, "AEST"))
3254	exit(1);
3255	#endif
3256
3257	exit(0);
3258	}
3259	],
3260	ac_cv_working_tzset=yes,
3261	ac_cv_working_tzset=no,
3262	ac_cv_working_tzset=no)])
3263	AC_MSG_RESULT($ac_cv_working_tzset)
3264	if test "$ac_cv_working_tzset" = yes
3265	then
3266	AC_DEFINE(HAVE_WORKING_TZSET, 1,
3267	[Define if tzset() actually switches the local timezone in a meaningful way.])
3268	fi
3269
3270	# Look for subsecond timestamps in struct stat
3271	AC_MSG_CHECKING(for tv_nsec in struct stat)
3272	AC_CACHE_VAL(ac_cv_stat_tv_nsec,
3273	AC_TRY_COMPILE([#include <sys/stat.h>], [
3274	struct stat st;
3275	st.st_mtim.tv_nsec = 1;
3276	],
3277	ac_cv_stat_tv_nsec=yes,
3278	ac_cv_stat_tv_nsec=no,
3279	ac_cv_stat_tv_nsec=no))
3280	AC_MSG_RESULT($ac_cv_stat_tv_nsec)
3281	if test "$ac_cv_stat_tv_nsec" = yes
3282	then
3283	AC_DEFINE(HAVE_STAT_TV_NSEC, 1,
3284	[Define if you have struct stat.st_mtim.tv_nsec])
3285	fi
3286
3287	# Look for BSD style subsecond timestamps in struct stat
3288	AC_MSG_CHECKING(for tv_nsec2 in struct stat)
3289	AC_CACHE_VAL(ac_cv_stat_tv_nsec2,
3290	AC_TRY_COMPILE([#include <sys/stat.h>], [
3291	struct stat st;
3292	st.st_mtimespec.tv_nsec = 1;
3293	],
3294	ac_cv_stat_tv_nsec2=yes,
3295	ac_cv_stat_tv_nsec2=no,
3296	ac_cv_stat_tv_nsec2=no))
3297	AC_MSG_RESULT($ac_cv_stat_tv_nsec2)
3298	if test "$ac_cv_stat_tv_nsec2" = yes
3299	then
3300	AC_DEFINE(HAVE_STAT_TV_NSEC2, 1,
3301	[Define if you have struct stat.st_mtimensec])
3302	fi
3303
3304	# On HP/UX 11.0, mvwdelch is a block with a return statement
3305	AC_MSG_CHECKING(whether mvwdelch is an expression)
3306	AC_CACHE_VAL(ac_cv_mvwdelch_is_expression,
3307	AC_TRY_COMPILE([#include <curses.h>], [
3308	int rtn;
3309	rtn = mvwdelch(0,0,0);
3310	], ac_cv_mvwdelch_is_expression=yes,
3311	ac_cv_mvwdelch_is_expression=no,
3312	ac_cv_mvwdelch_is_expression=yes))
3313	AC_MSG_RESULT($ac_cv_mvwdelch_is_expression)
3314
3315	if test "$ac_cv_mvwdelch_is_expression" = yes
3316	then
3317	AC_DEFINE(MVWDELCH_IS_EXPRESSION, 1,
3318	[Define if mvwdelch in curses.h is an expression.])
3319	fi
3320
3321	AC_MSG_CHECKING(whether WINDOW has _flags)
3322	AC_CACHE_VAL(ac_cv_window_has_flags,
3323	AC_TRY_COMPILE([#include <curses.h>], [
3324	WINDOW *w;
3325	w->_flags = 0;
3326	], ac_cv_window_has_flags=yes,
3327	ac_cv_window_has_flags=no,
3328	ac_cv_window_has_flags=no))
3329	AC_MSG_RESULT($ac_cv_window_has_flags)
3330
3331
3332	if test "$ac_cv_window_has_flags" = yes
3333	then
3334	AC_DEFINE(WINDOW_HAS_FLAGS, 1,
3335	[Define if WINDOW in curses.h offers a field _flags.])
3336	fi
3337
3338	AC_MSG_CHECKING(for is_term_resized)
3339	AC_TRY_COMPILE([#include <curses.h>], void *x=is_term_resized,
3340	AC_DEFINE(HAVE_CURSES_IS_TERM_RESIZED, 1, Define if you have the 'is_term_resized' function.)
3341	AC_MSG_RESULT(yes),
3342	AC_MSG_RESULT(no)
3343	)
3344
3345	AC_MSG_CHECKING(for resize_term)
3346	AC_TRY_COMPILE([#include <curses.h>], void *x=resize_term,
3347	AC_DEFINE(HAVE_CURSES_RESIZE_TERM, 1, Define if you have the 'resize_term' function.)
3348	AC_MSG_RESULT(yes),
3349	AC_MSG_RESULT(no)
3350	)
3351
3352	AC_MSG_CHECKING(for resizeterm)
3353	AC_TRY_COMPILE([#include <curses.h>], void *x=resizeterm,
3354	AC_DEFINE(HAVE_CURSES_RESIZETERM, 1, Define if you have the 'resizeterm' function.)
3355	AC_MSG_RESULT(yes),
3356	AC_MSG_RESULT(no)
3357	)
3358
3359	AC_CHECK_FILE(/dev/ptmx, AC_DEFINE(HAVE_DEV_PTMX, 1, [Define if we have /dev/ptmx.]))
3360	AC_CHECK_FILE(/dev/ptc, AC_DEFINE(HAVE_DEV_PTC, 1, [Define if we have /dev/ptc.]))
3361
3362	AC_MSG_CHECKING(for %zd printf() format support)
3363	AC_TRY_RUN([#include <stdio.h>
3364	#include <stddef.h>
3365	#include <string.h>
3366
3367	int main()
3368	{
3369	char buffer[4];
3370
3371	if(sprintf(buffer, "%zd", (size_t)123) < 0)
3372	return 1;
3373
3374	if (strncmp(buffer, "123", 3))
3375	return 1;
3376
3377	return 0;
3378	}],
3379	[AC_MSG_RESULT(yes)
3380	AC_DEFINE(PY_FORMAT_SIZE_T, "z", [Define to printf format modifier for Py_ssize_t])],
3381	AC_MSG_RESULT(no))
3382
3383	AC_CHECK_TYPE(socklen_t,,
3384	AC_DEFINE(socklen_t,int,
3385	Define to `int' if <sys/socket.h> does not define.),[
3386	#ifdef HAVE_SYS_TYPES_H
3387	#include <sys/types.h>
3388	#endif
3389	#ifdef HAVE_SYS_SOCKET_H
3390	#include <sys/socket.h>
3391	#endif
3392	])
3393
3394	AC_SUBST(THREADHEADERS)
3395
3396	for h in `(cd $srcdir;echo Python/thread_*.h)`
3397	do
3398	THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
3399	done
3400
3401	AC_SUBST(SRCDIRS)
3402	SRCDIRS="Parser Grammar Objects Python Modules Mac"
3403	AC_MSG_CHECKING(for build directories)
3404	for dir in $SRCDIRS; do
3405	if test ! -d $dir; then
3406	mkdir $dir
3407	fi
3408	done
3409	AC_MSG_RESULT(done)
3410
3411	# generate output files
3412	AC_CONFIG_FILES(Makefile.pre Modules/Setup.config)
3413	AC_OUTPUT
3414
3415	echo "creating Modules/Setup"
3416	if test ! -f Modules/Setup
3417	then
3418	if test "$MACHDEP" = "emx"; then
3419	cp $srcdir/PC/os2emx/Setup.os2emx Modules/Setup
3420	else
3421	cp $srcdir/Modules/Setup.dist Modules/Setup
3422	fi
3423	fi
3424
3425	echo "creating Modules/Setup.local"
3426	if test ! -f Modules/Setup.local
3427	then
3428	echo "# Edit this file for local setup changes" >Modules/Setup.local
3429	fi
3430
3431	echo "creating Makefile"
3432	$SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \
3433	-s Modules Modules/Setup.config \
3434	Modules/Setup.local Modules/Setup
3435	mv config.c Modules

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