1 dnl Process this file with autoconf 2.0 or later to make a configure script.
2 AC_REVISION($Revision$)
4 AC_INIT(Include/object.h)
5 AC_CONFIG_HEADER(pyconfig.h)
7 # Set VERSION so we only need to edit in one place (i.e., here)
11 # Arguments passed to configure.
13 CONFIG_ARGS="$ac_configure_args"
16 AC_ARG_ENABLE(framework,
17 [ --enable-framework[=INSTALLDIR] Build (MacOSX|Darwin) framework],[
18 PYTHONFRAMEWORK=Python
19 PYTHONFRAMEWORKDIR=Python.framework
22 enableval=/Library/Frameworks
23 PYTHONFRAMEWORKPREFIX=$enableval
26 PYTHONFRAMEWORKPREFIX=$enableval
28 PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
29 prefix=$PYTHONFRAMEWORKINSTALLDIR/Versions/$VERSION
33 PYTHONFRAMEWORKPREFIX=
34 PYTHONFRAMEWORKINSTALLDIR=
37 AC_SUBST(PYTHONFRAMEWORK)
38 AC_SUBST(PYTHONFRAMEWORKDIR)
39 AC_SUBST(PYTHONFRAMEWORKPREFIX)
40 AC_SUBST(PYTHONFRAMEWORKINSTALLDIR)
43 ##[ --with-dyld Use (OpenStep|Rhapsody) dynamic linker],,)
45 # Set name for machine-dependent library files
47 AC_MSG_CHECKING(MACHDEP)
50 ac_sys_system=`uname -s`
51 if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64"; then
52 ac_sys_release=`uname -v`
54 ac_sys_release=`uname -r`
56 ac_md_system=`echo $ac_sys_system |
57 tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
58 ac_md_release=`echo $ac_sys_release |
59 tr -d '[/ ]' | sed 's/\..*//'`
60 MACHDEP="$ac_md_system$ac_md_release"
63 cygwin*) MACHDEP="cygwin";;
64 '') MACHDEP="unknown";;
69 # SGI compilers allow the specification of the both the ABI and the
70 # ISA on the command line. Depending on the values of these switches,
71 # different and often incompatable code will be generated.
73 # The SGI_ABI variable can be used to modify the CC and LDFLAGS and
74 # thus supply support for various ABI/ISA combinations. The MACHDEP
75 # variable is also adjusted.
78 if test ! -z "$SGI_ABI"
81 LDFLAGS="$SGI_ABI $LDFLAGS"
82 MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
84 AC_MSG_RESULT($MACHDEP)
86 # checks for alternative programs
87 AC_MSG_CHECKING(for --without-gcc)
88 AC_ARG_WITH(gcc, [ --without-gcc never use gcc], [
95 without_gcc=$withval;;
97 case $ac_sys_system in
105 OPT="-O -D'DL_EXPORT(RTYPE)=__declspec(dllexport) RTYPE' -D'DL_IMPORT(RTYPE)=__declspec(dllexport) RTYPE' -export pragma"
106 CCSHARED="-UDL_IMPORT -D'DL_IMPORT(RTYPE)=__declspec(dllimport) RTYPE'"
107 LDFLAGS="$LDFLAGS -nodup"
115 AC_ERROR(Unknown BeOS platform \"$BE_HOST_CPU\")
118 AR="\$(srcdir)/Modules/ar_beos"
126 AC_MSG_RESULT($without_gcc)
131 AC_MSG_CHECKING(for --with-cxx=<compiler>)
132 AC_ARG_WITH(cxx, [ --with-cxx=<compiler> enable C++ support],[
144 AC_MSG_RESULT($with_cxx)
146 dnl The following fragment works similar to AC_PROG_CXX.
147 dnl It does not fail if CXX is not found, and it is not executed if
148 dnl --with-cxx was given.
149 dnl Finally, it does not test whether CXX is g++.
151 if test "$check_cxx" = "yes"
153 AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, notfound)
154 if test "$CXX" = "notfound"
162 # If the user switches compilers, we can't believe the cache
163 if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
165 AC_ERROR(cached CC is different -- throw away $cache_file
166 (it is also a good idea to do 'make clean' before compiling))
171 # checks for UNIX variants that set C preprocessor variables
176 AC_MSG_CHECKING(for --with-suffix)
177 AC_ARG_WITH(suffix, [ --with-suffix=.exe set executable suffix],[
183 AC_MSG_RESULT($EXEEXT)
184 # Test whether we're running on a non-case-sensitive system, in which
185 # case we give a warning if no ext is given
186 if test -d "python" -a -z "$EXEEXT"
188 AC_MSG_WARN(This filesystem is not case-sensitive so you should probably use --with-suffix)
194 gcc) CC="$CC -D_HAVE_BSDI";;
198 case $ac_sys_system in
201 cc|*/cc) CC="$CC -Ae";;
205 cc) CC="$CC -Wl,-Bexport";;
208 # Some functions have a prototype only with that define, e.g. confstr
209 AC_DEFINE(__EXTENSIONS__)
215 AC_MSG_CHECKING(LIBRARY)
216 if test -z "$LIBRARY"
218 LIBRARY='libpython$(VERSION).a'
220 AC_MSG_RESULT($LIBRARY)
222 # LDLIBRARY is the name of the library to link against (as opposed to the
223 # name of the library into which to insert object files). BLDLIBRARY is also
224 # the library to link against, usually. On Mac OS X frameworks, BLDLIBRARY
225 # is blank as the main program is not linked directly against LDLIBRARY.
226 # LDLIBRARYDIR is the path to LDLIBRARY, which is made in a subdirectory. On
227 # systems without shared libraries, LDLIBRARY is the same as LIBRARY
228 # (defined in the Makefiles). On Cygwin LDLIBRARY is the import library,
229 # DLLLIBRARY is the shared (i.e., DLL) library.
234 AC_SUBST(LDLIBRARYDIR)
236 BLDLIBRARY='$(LDLIBRARY)'
240 # LINKCC is the command that links the python executable -- default is $(CC).
241 # This is altered for AIX in order to build the export list before
244 AC_MSG_CHECKING(LINKCC)
247 case $ac_sys_system in
249 LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
251 LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
253 LINKCC="\$(PURIFY) \$(CC) -L/usr/lib/ia64l64";;
254 *) LINKCC="\$(PURIFY) \$(CC)";;
257 AC_MSG_RESULT($LINKCC)
259 AC_MSG_CHECKING(LDLIBRARY)
261 # DG/UX requires some fancy ld contortions to produce a .so from an .a
264 LDLIBRARY='libpython$(VERSION).so'
268 LDLIBRARY='libpython$(VERSION).so'
271 LDLIBRARY='libpython$(VERSION).dll.a'
272 DLLLIBRARY='libpython$(VERSION).dll'
276 # MacOSX framework builds need more magic. LDLIBRARY is the dynamic
277 # library that we build, but we do not want to link against it (we
278 # will find it with a -framework option). For this reason there is an
279 # extra variable BLDLIBRARY against which Python and the extension
280 # modules are linked, BLDLIBRARY. This is normally the same as
281 # LDLIBRARY, but empty for MacOSX framework builds.
282 if test "$enable_framework"
284 LDLIBRARY='$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
285 LDLIBRARYDIR='$(PYTHONFRAMEWORKDIR)'
288 BLDLIBRARY='$(LDLIBRARY)'
291 AC_MSG_RESULT($LDLIBRARY)
295 AC_CHECK_PROGS(AR, ar aal, ar)
299 # install -d does not work on BSDI
300 if test -z "$INSTALL"
302 INSTALL="${srcdir}/install-sh -c"
307 # Not every filesystem supports hard links
309 if test -z "$LN" ; then
310 case $ac_sys_system in
312 CYGWIN*) LN="ln -s";;
317 # Check for --with-pydebug
318 AC_MSG_CHECKING(for --with-pydebug)
320 [ --with-pydebug build with Py_DEBUG defined], [
321 if test "$withval" != no
322 then AC_DEFINE(Py_DEBUG) AC_MSG_RESULT(yes); Py_DEBUG='true'
323 else AC_MSG_RESULT(no); Py_DEBUG='false'
327 # Optimizer/debugger flags
333 case $ac_cv_prog_cc_g in
335 if test "$Py_DEBUG" = 'true' ; then
336 # Optimization messes up debuggers, so turn it off for
338 OPT="-g -Wall -Wstrict-prototypes"
340 OPT="-g -O3 -Wall -Wstrict-prototypes"
343 OPT="-O3 -Wall -Wstrict-prototypes";;
347 case $ac_sys_system in
349 OPT="-O -K pentium,host,inline,loop_unroll,alloca ";;
354 case $ac_sys_system in
356 OPT="$OPT -no-cpp-precomp";;
360 # The current (beta) Monterey compiler dies with optimizations
361 case $ac_sys_system in
365 if test "$ac_arch_flags"
367 OPT="$OPT $ac_arch_flags"
370 AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
371 AC_CACHE_VAL(ac_cv_opt_olimit_ok,
373 CC="$CC -OPT:Olimit=0"
374 AC_TRY_RUN([int main() { return 0; }],
375 ac_cv_opt_olimit_ok=yes,
376 ac_cv_opt_olimit_ok=no)
378 AC_MSG_RESULT($ac_cv_opt_olimit_ok)
379 if test $ac_cv_opt_olimit_ok = yes; then
380 case $ac_sys_system in
381 Darwin*) OPT="$OPT" ;;
382 *) OPT="$OPT -OPT:Olimit=0";;
385 AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
386 AC_CACHE_VAL(ac_cv_olimit_ok,
388 CC="$CC -Olimit 1500"
389 AC_TRY_RUN([int main() { return 0; }],
393 AC_MSG_RESULT($ac_cv_olimit_ok)
394 if test $ac_cv_olimit_ok = yes; then
395 OPT="$OPT -Olimit 1500"
399 # -Kpthread, if available, provides the right #defines
400 # and linker options to make pthread_create available
401 AC_MSG_CHECKING(whether $CC accepts -Kpthread)
402 AC_CACHE_VAL(ac_cv_kpthread,
405 AC_TRY_LINK([#include <pthread.h>],[pthread_create(0,0,0,0)],
410 # GCC does not reject -Kpthread as an illegal option, it merely complains that
412 if test "$GCC" = "yes"
413 then ac_cv_kpthread="no, we have gcc"
415 AC_MSG_RESULT($ac_cv_kpthread)
417 dnl # check for ANSI or K&R ("traditional") preprocessor
418 dnl AC_MSG_CHECKING(for C preprocessor type)
420 dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
422 dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
423 dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
424 dnl AC_MSG_RESULT($cpp_type)
426 # checks for header files
428 AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h langinfo.h locale.h \
429 ncurses.h poll.h pthread.h \
430 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h termios.h \
431 sys/audioio.h sys/file.h sys/lock.h sys/modem.h db_185.h db.h \
432 sys/param.h sys/poll.h sys/select.h sys/socket.h sys/time.h sys/times.h \
433 sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
434 ndbm.h db1/ndbm.h gdbm/ndbm.h sys/resource.h netpacket/packet.h)
437 # checks for typedefs
439 AC_MSG_CHECKING(for clock_t in time.h)
440 AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
441 AC_MSG_RESULT($was_it_defined)
443 # Add some code to confdefs.h so that the test for off_t works on SCO
444 cat >> confdefs.h <<\EOF
450 # Type availability checks
458 # Sizes of various common basic types
460 AC_CHECK_SIZEOF(long)
461 AC_CHECK_SIZEOF(void *)
462 AC_CHECK_SIZEOF(char)
463 AC_CHECK_SIZEOF(short)
464 AC_CHECK_SIZEOF(float)
465 AC_CHECK_SIZEOF(double)
466 AC_CHECK_SIZEOF(fpos_t)
468 AC_MSG_CHECKING(for long long support)
470 AC_TRY_COMPILE([], [long long x; x = (long long)0;], AC_DEFINE(HAVE_LONG_LONG) have_long_long=yes)
471 AC_MSG_RESULT($have_long_long)
472 if test "$have_long_long" = yes ; then
473 AC_CHECK_SIZEOF(long long)
476 AC_MSG_CHECKING(for uintptr_t support)
478 AC_TRY_COMPILE([], [uintptr_t x; x = (uintptr_t)0;], AC_DEFINE(HAVE_UINTPTR_T) have_uintptr_t=yes)
479 AC_MSG_RESULT($have_uintptr_t)
480 if test "$have_uintptr_t" = yes ; then
481 AC_CHECK_SIZEOF(uintptr_t)
484 # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
485 AC_MSG_CHECKING(size of off_t)
486 AC_CACHE_VAL(ac_cv_sizeof_off_t,
487 [AC_TRY_RUN([#include <stdio.h>
488 #include <sys/types.h>
491 FILE *f=fopen("conftestval", "w");
493 fprintf(f, "%d\n", sizeof(off_t));
495 }], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
497 AC_MSG_RESULT($ac_cv_sizeof_off_t)
498 AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
500 AC_MSG_CHECKING(whether to enable large file support)
501 if test "$have_long_long" = yes -a \
502 "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
503 "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
504 AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
510 # AC_CHECK_SIZEOF() doesn't include <time.h>.
511 AC_MSG_CHECKING(size of time_t)
512 AC_CACHE_VAL(ac_cv_sizeof_time_t,
513 [AC_TRY_RUN([#include <stdio.h>
517 FILE *f=fopen("conftestval", "w");
519 fprintf(f, "%d\n", sizeof(time_t));
521 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
523 AC_MSG_RESULT($ac_cv_sizeof_time_t)
524 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
527 # if have pthread_t then define SIZEOF_PTHREAD_T
529 if test "$ac_cv_kpthread" = "yes"
530 then CC="$CC -Kpthread"
532 AC_MSG_CHECKING(for pthread_t)
534 AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t*)0;], have_pthread_t=yes)
535 AC_MSG_RESULT($have_pthread_t)
536 if test "$have_pthread_t" = yes ; then
537 # AC_CHECK_SIZEOF() doesn't include <pthread.h>.
538 AC_MSG_CHECKING(size of pthread_t)
539 AC_CACHE_VAL(ac_cv_sizeof_pthread_t,
540 [AC_TRY_RUN([#include <stdio.h>
544 FILE *f=fopen("conftestval", "w");
546 fprintf(f, "%d\n", sizeof(pthread_t));
548 }], ac_cv_sizeof_pthread_t=`cat conftestval`, ac_cv_sizeof_pthread_t=0)
550 AC_MSG_RESULT($ac_cv_sizeof_pthread_t)
551 AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t)
555 AC_MSG_CHECKING(for --enable-toolbox-glue)
556 AC_ARG_ENABLE(toolbox-glue,
557 [ --enable-toolbox-glue disable/enable MacOSX glue code for extensions])
559 if test -z "$enable_toolbox_glue"
561 case $ac_sys_system/$ac_sys_release in
563 enable_toolbox_glue="yes";;
565 enable_toolbox_glue="no";;
568 case "$enable_toolbox_glue" in
570 extra_frameworks="-framework Carbon -framework Foundation"
571 extra_machdep_objs="Python/mactoolboxglue.o"
572 extra_undefs="-u __dummy -u _PyMac_Error"
573 AC_DEFINE(USE_TOOLBOX_OBJECT_GLUE)
577 extra_machdep_objs=""
581 AC_MSG_RESULT($enable_toolbox_glue)
583 AC_SUBST(LIBTOOL_CRUFT)
584 case $ac_sys_system/$ac_sys_release in
586 ns_undef_sym='_environ'
587 LIBTOOL_CRUFT="-lcc_dynamic -arch_only ppc -U $ns_undef_sym"
588 LIBTOOL_CRUFT="$LIBTOOL_CRUFT $extra_frameworks"
589 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/Python'
590 LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
593 AC_MSG_CHECKING(for --enable-framework)
594 if test "$enable_framework"
596 OPT="$OPT -fno-common -dynamic"
597 # -U __environ is needed since bundles don't have access
598 # to crt0 when built but will always be linked against it
599 # -F. is needed to allow linking to the framework while
600 # in the build location.
602 LDFLAGS="$LDFLAGS -Wl,-F. -Wl,-U,$ns_undef_sym"
603 AC_DEFINE(WITH_NEXT_FRAMEWORK)
609 AC_MSG_CHECKING(for dyld)
610 case $ac_sys_system/$ac_sys_release in
613 AC_MSG_RESULT(always on for Darwin)
620 # Set info about shared libraries.
625 AC_SUBST(LINKFORSHARED)
626 # SO is the extension of shared libraries `(including the dot!)
627 # -- usually .so, .sl on HP-UX, .dll on Cygwin
631 case $ac_sys_system in
638 # LDSHARED is the ld *command* used to create shared library
639 # -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
640 # (Shared libraries in this instance are shared modules to be loaded into
641 # Python, as opposed to building Python itself as a shared library.)
642 AC_MSG_CHECKING(LDSHARED)
643 if test -z "$LDSHARED"
645 case $ac_sys_system/$ac_sys_release in
647 BLDSHARED="\$(srcdir)/Modules/ld_so_aix \$(CC) -bI:Modules/python.exp"
648 LDSHARED="\$(BINLIBDEST)/ld_so_aix \$(CC) -bI:\$(BINLIBDEST)/python.exp"
651 BLDSHARED="\$(srcdir)/Modules/ld_so_beos $LDLIBRARY"
652 LDSHARED="\$(BINLIBDEST)/ld_so_beos \$(LIBDIR)/$LDLIBRARY"
654 IRIX/5*) LDSHARED="ld -shared";;
655 IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";;
656 SunOS/4*) LDSHARED="ld";;
658 if test "$GCC" = "yes"
659 then LDSHARED='$(CC) -shared'
660 else LDSHARED="ld -G";
662 hp*|HP*) LDSHARED="ld -b";;
663 OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
664 DYNIX/ptx*) LDSHARED="ld -G";;
666 LDSHARED='$(CC) $(LDFLAGS) -bundle'
667 if test "$enable_framework" ; then
668 # Link against the framework. All externals should be defined.
669 LDSHARED="$LDSHARED "'-framework $(PYTHONFRAMEWORK)'
671 # No framework. Ignore undefined symbols, assuming they come from Python
672 LDSHARED="$LDSHARED -undefined suppress"
674 Linux*) LDSHARED="gcc -shared";;
675 dgux*) LDSHARED="ld -G";;
676 BSD/OS*/4*) LDSHARED="gcc -shared";;
677 OpenBSD*|NetBSD*|FreeBSD*)
678 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
680 LDSHARED="cc -shared ${LDFLAGS}"
682 LDSHARED="ld -Bshareable ${LDFLAGS}"
685 if test "$GCC" = "yes"
686 then LDSHARED="$(CC) -shared"
687 else LDSHARED="$(CC) -G"
689 SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
690 Monterey*) LDSHARED="cc -G -dy -Bdynamic -Bexport -L/usr/lib/ia64l64";;
691 CYGWIN*) LDSHARED="gcc -shared -Wl,--enable-auto-image-base";;
695 AC_MSG_RESULT($LDSHARED)
696 BLDSHARED=${BLDSHARED-$LDSHARED}
697 # CCSHARED are the C *flags* used to create objects to go into a shared
698 # library (module) -- this is only needed for a few systems
699 AC_MSG_CHECKING(CCSHARED)
700 if test -z "$CCSHARED"
702 case $ac_sys_system/$ac_sys_release in
703 SunOS*) if test "$GCC" = yes;
704 then CCSHARED="-fPIC";
706 hp*|HP*) if test "$GCC" = yes;
707 then CCSHARED="-fPIC";
710 Linux*) CCSHARED="-fPIC";;
711 BSD/OS*/4*) CCSHARED="-fpic";;
712 FreeBSD*|NetBSD*|OpenBSD*) CCSHARED="-fPIC";;
714 if test "$GCC" = "yes"
715 then CCSHARED="-fPIC"
716 else CCSHARED="-KPIC"
718 SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
719 Monterey*) CCSHARED="-G";;
720 IRIX*/6*) case $CC in
721 *gcc*) CCSHARED="-shared";;
724 CYGWIN*) CCSHARED="-DUSE_DL_IMPORT";;
727 AC_MSG_RESULT($CCSHARED)
728 # LINKFORSHARED are the flags passed to the $(CC) command that links
729 # the python executable -- this is only needed for a few systems
730 AC_MSG_CHECKING(LINKFORSHARED)
731 if test -z "$LINKFORSHARED"
733 case $ac_sys_system/$ac_sys_release in
734 AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';;
736 LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
737 BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
738 Linux*) LINKFORSHARED="-Xlinker -export-dynamic";;
739 # -u libsys_s pulls in all symbols in libsys
741 # -u __dummy makes the linker aware of the objc runtime
742 # in System.framework; otherwise, __objcInit (referenced in
743 # crt1.o) gets erroneously defined as common, which breaks dynamic
744 # loading of any modules which reference it in System.framework.
745 # -u _PyMac_Error is needed to pull in the mac toolbox glue, which is
746 # not used by the core itself but which needs to be in the core so
747 # that dynamically loaded extension modules have access to it.
748 LINKFORSHARED="$extra_undefs -framework System"
749 if test "$enable_framework"
751 LINKFORSHARED="$LINKFORSHARED -framework Python"
753 LINKFORSHARED="$LINKFORSHARED $extra_frameworks";;
754 UnixWare*) LINKFORSHARED="-Wl,-Bexport";;
755 SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
756 ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
757 FreeBSD*|NetBSD*|OpenBSD*)
758 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
760 LINKFORSHARED="-Wl,--export-dynamic"
762 SunOS/5*) case $CC in
764 if $CC -Xlinker -V 2>&1 | grep BFD >/dev/null
766 LINKFORSHARED="-Xlinker --export-dynamic"
771 AC_MSG_RESULT($LINKFORSHARED)
773 AC_SUBST(CFLAGSFORSHARED)
774 AC_MSG_CHECKING(CFLAGSFORSHARED)
775 if test ! "$LIBRARY" = "$LDLIBRARY"
777 case $ac_sys_system in
779 # Cygwin needs CCSHARED when building extension DLLs
780 # but not when building the interpreter DLL.
783 CFLAGSFORSHARED='$(CCSHARED)'
786 AC_MSG_RESULT($CFLAGSFORSHARED)
788 # checks for libraries
789 AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
790 AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
792 # checks for system dependent C++ extensions support
793 case "$ac_sys_system" in
794 AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
795 AC_TRY_LINK([#include "/usr/lpp/xlC/include/load.h"],
796 [loadAndInit("", 0, "")],
797 [AC_DEFINE(AIX_GENUINE_CPLUSPLUS)
799 [AC_MSG_RESULT(no)]);;
803 # Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
804 # However on SGI IRIX, these exist but are broken.
805 # BeOS' sockets are stashed in libnet.
806 case "$ac_sys_system" in
809 AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
810 AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
813 case "$ac_sys_system" in
815 AC_CHECK_LIB(net, socket, [LIBS="-lnet $LIBS"], [], $LIBS) # BeOS
819 AC_MSG_CHECKING(for --with-libs)
821 [ --with-libs='lib1 ...' link against additional libs], [
822 AC_MSG_RESULT($withval)
823 LIBS="$withval $LIBS"
824 ], AC_MSG_RESULT(no))
826 # Determine if signalmodule should be used.
827 AC_SUBST(USE_SIGNAL_MODULE)
828 AC_SUBST(SIGNAL_OBJS)
829 AC_MSG_CHECKING(for --with-signal-module)
830 AC_ARG_WITH(signal-module,
831 [ --with-signal-module disable/enable signal module])
833 if test -z "$with_signal_module"
834 then with_signal_module="yes"
836 AC_MSG_RESULT($with_signal_module)
838 if test "${with_signal_module}" = "yes"; then
842 USE_SIGNAL_MODULE="#"
843 SIGNAL_OBJS="Parser/intrcheck.o Python/sigcheck.o"
846 # This is used to generate Setup.config
847 AC_SUBST(USE_THREAD_MODULE)
850 AC_MSG_CHECKING(for --with-dec-threads)
852 AC_ARG_WITH(dec-threads,
853 [ --with-dec-threads use DEC Alpha/OSF1 thread-safe libraries], [
854 AC_MSG_RESULT($withval)
856 if test "${with_thread+set}" != set; then
857 with_thread="$withval";
861 AC_MSG_CHECKING(for --with-threads)
863 [ --with(out)-threads[=DIRECTORY] disable/enable thread support])
865 # --with-thread is deprecated, but check for it anyway
867 [ --with(out)-thread[=DIRECTORY] deprecated; use --with(out)-threads],[
868 with_threads=$with_thread])
870 if test -z "$with_threads"
871 then with_threads="yes"
873 AC_MSG_RESULT($with_threads)
875 if test "$with_threads" = "no"
877 USE_THREAD_MODULE="#"
878 elif test "$ac_cv_kpthread" = "yes"
881 AC_DEFINE(WITH_THREAD)
882 AC_DEFINE(_POSIX_THREADS)
883 LIBOBJS="$LIBOBJS thread.o"
885 if test ! -z "$with_threads" -a -d "$with_threads"
886 then LDFLAGS="$LDFLAGS -L$with_threads"
888 if test ! -z "$withval" -a -d "$withval"
889 then LDFLAGS="$LDFLAGS -L$withval"
891 AC_DEFINE(_REENTRANT)
892 AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
894 LIBOBJS="$LIBOBJS thread.o"],[
895 AC_MSG_CHECKING(for --with-pth)
897 [ --with-pth use GNU pth threading libraries], [
898 AC_MSG_RESULT($withval)
899 AC_DEFINE(WITH_THREAD)
902 LIBOBJS="$LIBOBJS thread.o"],[
904 AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
905 case $ac_sys_system in
907 *) AC_DEFINE(_POSIX_THREADS);;
909 LIBS="-lpthread $LIBS"
910 LIBOBJS="$LIBOBJS thread.o"],[
911 AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
912 case $ac_sys_system in
914 *) AC_DEFINE(_POSIX_THREADS);;
916 LIBOBJS="$LIBOBJS thread.o"],[
917 AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
918 AC_DEFINE(BEOS_THREADS)
919 LIBOBJS="$LIBOBJS thread.o"],[
920 AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
921 AC_DEFINE(_POSIX_THREADS)
922 LIBS="$LIBS -lpthreads"
923 LIBOBJS="$LIBOBJS thread.o"], [
924 AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
925 AC_DEFINE(_POSIX_THREADS)
927 LIBOBJS="$LIBOBJS thread.o"], [
928 AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
929 AC_DEFINE(_POSIX_THREADS)
930 LIBS="$LIBS -lthread"
931 LIBOBJS="$LIBOBJS thread.o"], [
932 AC_CHECK_LIB(pthread, __pthread_create_system, [AC_DEFINE(WITH_THREAD)
933 AC_DEFINE(_POSIX_THREADS)
934 LIBS="$LIBS -lpthread"
935 LIBOBJS="$LIBOBJS thread.o"], [
936 AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
937 AC_DEFINE(_POSIX_THREADS)
939 LIBOBJS="$LIBOBJS thread.o"],[
940 USE_THREAD_MODULE="#"])
943 AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
945 LIBOBJS="$LIBOBJS thread.o"
946 USE_THREAD_MODULE=""])
947 AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
948 LIBS="$LIBS -lthread"
949 LIBOBJS="$LIBOBJS thread.o"
950 USE_THREAD_MODULE=""])
952 if test "$USE_THREAD_MODULE" != "#"
954 # If the above checks didn't disable threads, (at least) OSF1
955 # needs this '-threads' argument during linking.
956 case $ac_sys_system in
957 OSF1) LDLAST=-threads;;
962 # Check for enable-ipv6
963 AC_MSG_CHECKING([if --enable-ipv6 is specified])
965 [ --enable-ipv6 Enable ipv6 (with ipv4) support
966 --disable-ipv6 Disable ipv6 support],
967 [ case "$enableval" in
972 *) AC_MSG_RESULT(yes)
973 AC_DEFINE(ENABLE_IPV6)
979 dnl the check does not work on cross compilation case...
980 AC_TRY_RUN([ /* AF_INET6 available check */
981 #include <sys/types.h>
982 #include <sys/socket.h>
985 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
999 if test "$ipv6" = "yes"; then
1000 AC_MSG_CHECKING(if RFC2553 API is available)
1001 AC_TRY_COMPILE([#include <sys/types.h>
1002 #include <netinet/in.h>],
1003 [struct sockaddr_in6 x;
1007 AC_MSG_RESULT(no, IPv6 disabled)
1011 if test "$ipv6" = "yes"; then
1012 AC_DEFINE(ENABLE_IPV6)
1020 if test "$ipv6" = "yes"; then
1021 AC_MSG_CHECKING([ipv6 stack type])
1022 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta;
1026 dnl http://www.kame.net/
1027 AC_EGREP_CPP(yes, [dnl
1028 #include <netinet/in.h>
1029 #ifdef IPV6_INRIA_VERSION
1033 OPT="-DINET6 $OPT"])
1036 dnl http://www.kame.net/
1037 AC_EGREP_CPP(yes, [dnl
1038 #include <netinet/in.h>
1044 ipv6libdir=/usr/local/v6/lib
1046 OPT="-DINET6 $OPT"])
1049 dnl http://www.v6.linux.or.jp/
1050 AC_EGREP_CPP(yes, [dnl
1051 #include <features.h>
1052 #if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2))
1057 OPT="-DINET6 $OPT"])
1060 dnl http://www.v6.linux.or.jp/
1061 if test -d /usr/inet6; then
1064 ipv6libdir=/usr/inet6/lib
1065 OPT="-DINET6 -I/usr/inet6/include $OPT"
1069 if test -f /etc/netconfig; then
1070 if /usr/xpg4/bin/grep -q tcp6 /etc/netconfig; then
1078 AC_EGREP_CPP(yes, [dnl
1079 #include <sys/param.h>
1080 #ifdef _TOSHIBA_INET6
1085 ipv6libdir=/usr/local/v6/lib;
1086 OPT="-DINET6 $OPT"])
1089 AC_EGREP_CPP(yes, [dnl
1090 #include </usr/local/v6/include/sys/v6config.h>
1096 ipv6libdir=/usr/local/v6/lib;
1097 OPT="-I/usr/local/v6/include $OPT"])
1100 AC_EGREP_CPP(yes, [dnl
1101 #include <sys/param.h>
1102 #ifdef _ZETA_MINAMI_INET6
1107 ipv6libdir=/usr/local/v6/lib;
1108 OPT="-DINET6 $OPT"])
1111 if test "$ipv6type" != "unknown"; then
1115 AC_MSG_RESULT($ipv6type)
1118 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
1119 if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
1120 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
1121 echo "using lib$ipv6lib"
1123 if test $ipv6trylibc = "yes"; then
1126 echo 'Fatal: no $ipv6lib library found. cannot continue.'
1127 echo "You need to fetch lib$ipv6lib.a from appropriate"
1128 echo 'ipv6 kit and compile beforehand.'
1134 # Check for GC support
1135 AC_MSG_CHECKING(for --with-cycle-gc)
1136 AC_ARG_WITH(cycle-gc,
1137 [ --with(out)-cycle-gc disable/enable garbage collection])
1139 if test -z "$with_cycle_gc"
1140 then with_cycle_gc="yes"
1142 if test "$with_cycle_gc" != "no"
1144 AC_DEFINE(WITH_CYCLE_GC)
1146 AC_MSG_RESULT($with_cycle_gc)
1148 # Check for Python-specific malloc support
1149 AC_MSG_CHECKING(for --with-pymalloc)
1150 AC_ARG_WITH(pymalloc,
1151 [ --with(out)-pymalloc disable/enable specialized mallocs], [
1152 if test "$withval" != no
1153 then AC_DEFINE(WITH_PYMALLOC) AC_MSG_RESULT(yes)
1154 else AC_MSG_RESULT(no)
1156 [AC_MSG_RESULT(no)])
1158 # Check for --with-wctype-functions
1159 AC_MSG_CHECKING(for --with-wctype-functions)
1160 AC_ARG_WITH(wctype-functions,
1161 [ --with-wctype-functions use wctype.h functions], [
1162 if test "$withval" != no
1163 then AC_DEFINE(WANT_WCTYPE_FUNCTIONS) AC_MSG_RESULT(yes)
1164 else AC_MSG_RESULT(no)
1166 [AC_MSG_RESULT(no)])
1168 # -I${DLINCLDIR} is added to the compile rule for importdl.o
1172 AC_MSG_CHECKING(for --with-sgi-dl)
1174 [ --with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
1175 AC_MSG_RESULT($withval)
1176 AC_DEFINE(WITH_SGI_DL)
1177 DYNLOADFILE="dynload_dl.o"
1179 if test ! -z "$dldir" -a -d "$dldir"
1180 then LDFLAGS="$LDFLAGS -L$dldir"
1181 else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
1184 LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
1186 AC_MSG_CHECKING(for --with-dl-dld)
1187 AC_ARG_WITH(dl-dld, [ --with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
1188 AC_MSG_RESULT($withval)
1189 AC_DEFINE(WITH_DL_DLD)
1190 DYNLOADFILE="dynload_dl.o"
1191 dldir=`echo "$withval" | sed 's/,.*//'`
1192 dlddir=`echo "$withval" | sed 's/.*,//'`
1193 if test ! -z "$dldir" -a -d "$dldir" -a ! -z "$dlddir" -a -d "$dlddir"
1194 then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
1195 else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
1198 LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
1200 # the dlopen() function means we might want to use dynload_shlib.o. some
1201 # platforms, such as AIX, have dlopen(), but don't want to use it.
1202 AC_CHECK_FUNCS(dlopen)
1204 # DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
1205 # loading of modules.
1206 AC_SUBST(DYNLOADFILE)
1207 AC_MSG_CHECKING(DYNLOADFILE)
1208 if test -z "$DYNLOADFILE"
1210 case $ac_sys_system/$ac_sys_release in
1211 AIX*) DYNLOADFILE="dynload_aix.o";;
1212 BeOS*) DYNLOADFILE="dynload_beos.o";;
1213 hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
1214 Darwin/*) DYNLOADFILE="dynload_next.o";;
1216 # use dynload_shlib.c and dlopen() if we have it; otherwise stub
1217 # out any dynamic loading
1218 if test "$ac_cv_func_dlopen" = yes
1219 then DYNLOADFILE="dynload_shlib.o"
1220 else DYNLOADFILE="dynload_stub.o"
1225 AC_MSG_RESULT($DYNLOADFILE)
1226 if test "$DYNLOADFILE" != "dynload_stub.o"
1228 AC_DEFINE(HAVE_DYNAMIC_LOADING)
1231 # MACHDEP_OBJS can be set to platform-specific object files needed by Python
1233 AC_SUBST(MACHDEP_OBJS)
1234 AC_MSG_CHECKING(MACHDEP_OBJS)
1235 if test -z "$MACHDEP_OBJS"
1237 MACHDEP_OBJS=$extra_machdep_objs
1239 MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs"
1241 AC_MSG_RESULT(MACHDEP_OBJS)
1243 # checks for library functions
1244 AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \
1245 flock fork fsync fdatasync fpathconf ftime ftruncate \
1246 gai_strerror getgroups getlogin getpeername getpid getpwent getwd \
1247 hstrerror inet_pton kill link lstat mkfifo mktime mremap \
1248 nice pathconf pause plock poll pthread_init \
1250 select setegid seteuid setgid \
1251 setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
1252 sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
1253 tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
1254 truncate uname waitpid _getpty getpriority)
1256 # check for openpty and forkpty
1258 AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY)] [LIBS="$LIBS -lutil"]))
1259 AC_CHECK_FUNCS(forkpty,, AC_CHECK_LIB(util,forkpty, [AC_DEFINE(HAVE_FORKPTY)] [LIBS="$LIBS -lutil"]))
1261 # Try defining symbols to enable large file support.
1262 # The particular combination of symbols used here is known to work
1263 # on Linux and Solaris [2.]7.
1264 AC_MSG_CHECKING(for CFLAGS to enable large files)
1265 OLD_CFLAGS="$CFLAGS"
1266 CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
1268 #include <sys/types.h>
1272 off_t seek = 0x80000000ul;
1274 fp = fopen("conftestval", "wb");
1276 perror("conftestval");
1279 if (fseeko(fp, seek, 0) < 0)
1284 unlink("conftestval");
1286 fprintf(stderr, "seek to 2**31 worked\n");
1291 fprintf(stderr, "seek to 2**31 didn't work\n");
1296 AC_DEFINE(_LARGEFILE_SOURCE)
1297 AC_DEFINE(_FILE_OFFSET_BITS,64),
1299 AC_MSG_RESULT(no (cross-compiling)))
1300 CFLAGS="$OLD_CFLAGS"
1302 # check for long file support functions
1303 AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
1305 AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
1306 AC_CHECK_FUNCS(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
1307 AC_CHECK_FUNCS(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
1308 AC_CHECK_FUNCS(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
1310 AC_CHECK_FUNCS(getaddrinfo, [dnl
1311 AC_MSG_CHECKING(getaddrinfo bug)
1313 #include <sys/types.h>
1316 #include <sys/socket.h>
1317 #include <netinet/in.h>
1321 int passive, gaierr, inet4 = 0, inet6 = 0;
1322 struct addrinfo hints, *ai, *aitop;
1323 char straddr[INET6_ADDRSTRLEN], strport[16];
1325 for (passive = 0; passive <= 1; passive++) {
1326 memset(&hints, 0, sizeof(hints));
1327 hints.ai_family = AF_UNSPEC;
1328 hints.ai_flags = passive ? AI_PASSIVE : 0;
1329 hints.ai_socktype = SOCK_STREAM;
1330 if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
1331 (void)gai_strerror(gaierr);
1334 for (ai = aitop; ai; ai = ai->ai_next) {
1335 if (ai->ai_addr == NULL ||
1336 ai->ai_addrlen == 0 ||
1337 getnameinfo(ai->ai_addr, ai->ai_addrlen,
1338 straddr, sizeof(straddr), strport, sizeof(strport),
1339 NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
1342 switch (ai->ai_family) {
1344 if (strcmp(strport, "54321") != 0) {
1348 if (strcmp(straddr, "0.0.0.0") != 0) {
1352 if (strcmp(straddr, "127.0.0.1") != 0) {
1359 if (strcmp(strport, "54321") != 0) {
1363 if (strcmp(straddr, "::") != 0) {
1367 if (strcmp(straddr, "::1") != 0) {
1377 /* another family support? */
1383 if (!(inet4 == 0 || inet4 == 2))
1385 if (!(inet6 == 0 || inet6 == 2))
1389 freeaddrinfo(aitop);
1394 freeaddrinfo(aitop);
1399 buggygetaddrinfo=no,
1400 AC_MSG_RESULT(buggy)
1401 buggygetaddrinfo=yes,
1402 AC_MSG_RESULT(buggy)
1403 buggygetaddrinfo=yes)], [buggygetaddrinfo=yes])
1405 if test "$buggygetaddrinfo" = "yes"; then
1406 if test "$ipv6" = "yes"; then
1407 echo 'Fatal: You must get working getaddrinfo() function.'
1408 echo ' or you can specify "--disable-ipv6"'.
1412 AC_CHECK_FUNCS(getnameinfo)
1414 # checks for structures
1419 AC_MSG_CHECKING(for time.h that defines altzone)
1420 AC_CACHE_VAL(ac_cv_header_time_altzone,
1421 [AC_TRY_COMPILE([#include <time.h>], [return altzone;],
1422 ac_cv_header_time_altzone=yes,
1423 ac_cv_header_time_altzone=no)])
1424 AC_MSG_RESULT($ac_cv_header_time_altzone)
1425 if test $ac_cv_header_time_altzone = yes; then
1426 AC_DEFINE(HAVE_ALTZONE)
1430 AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
1432 #include <sys/types.h>
1433 #include <sys/select.h>
1434 #include <sys/time.h>
1435 ], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
1436 AC_MSG_RESULT($was_it_defined)
1438 AC_MSG_CHECKING(for addrinfo)
1439 AC_CACHE_VAL(ac_cv_struct_addrinfo,
1441 # include <netdb.h>],
1442 [struct addrinfo a],
1443 ac_cv_struct_addrinfo=yes,
1444 ac_cv_struct_addrinfo=no))
1445 AC_MSG_RESULT($ac_cv_struct_addrinfo)
1446 if test $ac_cv_struct_addrinfo = yes; then
1447 AC_DEFINE(HAVE_ADDRINFO)
1450 AC_MSG_CHECKING(for sockaddr_storage)
1451 AC_CACHE_VAL(ac_cv_struct_sockaddr_storage,
1453 # include <sys/types.h>
1454 # include <sys/socket.h>],
1455 [struct sockaddr_storage s],
1456 ac_cv_struct_sockaddr_storage=yes,
1457 ac_cv_struct_sockaddr_storage=no))
1458 AC_MSG_RESULT($ac_cv_struct_sockaddr_storage)
1459 if test $ac_cv_struct_sockaddr_storage = yes; then
1460 AC_DEFINE(HAVE_SOCKADDR_STORAGE)
1463 # checks for compiler characteristics
1469 AC_MSG_CHECKING(for working volatile)
1470 AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
1471 AC_MSG_RESULT($works)
1474 AC_MSG_CHECKING(for working signed char)
1475 AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
1476 AC_MSG_RESULT($works)
1479 AC_MSG_CHECKING(for prototypes)
1480 AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
1481 AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
1482 AC_MSG_RESULT($have_prototypes)
1485 AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
1488 int foo(int x, ...) {
1496 ], [return foo(10, "", 3.14);],
1497 AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
1498 AC_MSG_RESULT($works)
1500 if test "$have_prototypes" = yes; then
1502 AC_MSG_CHECKING(for bad exec* prototypes)
1503 AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
1504 AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
1505 AC_MSG_RESULT($bad_prototypes)
1508 # check if sockaddr has sa_len member
1509 AC_MSG_CHECKING(if sockaddr has sa_len member)
1510 AC_TRY_COMPILE([#include <sys/types.h>
1511 #include <sys/socket.h>],
1515 AC_DEFINE(HAVE_SOCKADDR_SA_LEN),
1518 AC_MSG_CHECKING(for bad static forward)
1519 AC_CACHE_VAL(ac_cv_bad_static_forward,
1521 struct s { int a; int b; };
1522 static struct s foo;
1525 random = (int) &foo;
1528 static struct s foo = { 1, 2 };
1530 exit(!((int)&foo == foobar()));
1531 }], ac_cv_bad_static_forward=no, ac_cv_bad_static_forward=yes)])
1532 AC_MSG_RESULT($ac_cv_bad_static_forward)
1533 if test "$ac_cv_bad_static_forward" = yes
1535 AC_DEFINE(BAD_STATIC_FORWARD)
1539 AC_MSG_CHECKING(whether va_list is an array)
1541 #ifdef HAVE_STDARG_PROTOTYPES
1544 #include <varargs.h>
1546 ], [va_list list1, list2; list1 = list2;], ,
1547 AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
1548 AC_MSG_RESULT($va_list_is_array)
1550 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
1551 AC_CHECK_FUNC(gethostbyname_r, [
1552 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1553 AC_MSG_CHECKING([gethostbyname_r with 6 args])
1555 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
1560 struct hostent *he, *res;
1565 (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
1567 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1568 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG)
1572 AC_MSG_CHECKING([gethostbyname_r with 5 args])
1582 (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
1584 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1585 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG)
1589 AC_MSG_CHECKING([gethostbyname_r with 3 args])
1595 struct hostent_data data;
1597 (void) gethostbyname_r(name, he, &data);
1599 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1600 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG)
1609 AC_CHECK_FUNCS(gethostbyname)
1611 AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
1612 AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
1613 AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
1614 AC_SUBST(HAVE_GETHOSTBYNAME_R)
1615 AC_SUBST(HAVE_GETHOSTBYNAME)
1617 # checks for system services
1620 # Linux requires this for correct f.p. operations
1621 AC_CHECK_FUNC(__fpu_control,
1623 [AC_CHECK_LIB(ieee, __fpu_control)
1626 # Check for --with-fpectl
1627 AC_MSG_CHECKING(for --with-fpectl)
1629 [ --with-fpectl enable SIGFPE catching], [
1630 if test "$withval" != no
1631 then AC_DEFINE(WANT_SIGFPE_HANDLER) AC_MSG_RESULT(yes)
1632 else AC_MSG_RESULT(no)
1634 [AC_MSG_RESULT(no)])
1636 # check for --with-libm=...
1638 case $ac_sys_system in
1643 AC_MSG_CHECKING(for --with-libm=STRING)
1644 AC_ARG_WITH(libm, [ --with-libm=STRING math library], [
1645 if test "$withval" = no
1647 AC_MSG_RESULT(force LIBM empty)
1648 elif test "$withval" != yes
1650 AC_MSG_RESULT(set LIBM=\"$withval\")
1651 else AC_ERROR(proper usage is --with-libm=STRING)
1653 [AC_MSG_RESULT(default LIBM=\"$LIBM\")])
1655 # check for --with-libc=...
1657 AC_MSG_CHECKING(for --with-libc=STRING)
1658 AC_ARG_WITH(libc, [ --with-libc=STRING C library], [
1659 if test "$withval" = no
1661 AC_MSG_RESULT(force LIBC empty)
1662 elif test "$withval" != yes
1664 AC_MSG_RESULT(set LIBC=\"$withval\")
1665 else AC_ERROR(proper usage is --with-libc=STRING)
1667 [AC_MSG_RESULT(default LIBC=\"$LIBC\")])
1669 # check for hypot() in math library
1672 AC_REPLACE_FUNCS(hypot)
1675 # check whether malloc(0) returns NULL or not
1676 AC_MSG_CHECKING(what malloc(0) returns)
1677 AC_CACHE_VAL(ac_cv_malloc_zero,
1678 [AC_TRY_RUN([#include <stdio.h>
1682 char *malloc(), *realloc();
1688 if (p == NULL) exit(1);
1690 if (p == NULL) exit(1);
1693 }], ac_cv_malloc_zero=nonnull, ac_cv_malloc_zero=null)])
1694 AC_MSG_RESULT($ac_cv_malloc_zero)
1695 if test "$ac_cv_malloc_zero" = null
1697 AC_DEFINE(MALLOC_ZERO_RETURNS_NULL)
1701 AC_CHECK_HEADER(wchar.h,
1702 AC_DEFINE(HAVE_WCHAR_H) wchar_h="yes",
1706 # determine wchar_t size
1707 if test "$wchar_h" = yes
1709 AC_CHECK_SIZEOF(wchar_t)
1712 AC_MSG_CHECKING(what type to use for unicode)
1713 AC_ARG_ENABLE(unicode,
1714 [ --enable-unicode[=ucs2,ucs4] Enable Unicode strings (default is yes)],,enable_unicode=yes)
1716 if test $enable_unicode = yes
1718 # Without any arguments, Py_UNICODE defaults to two-byte mode
1719 enable_unicode="ucs2"
1722 case "$enable_unicode" in
1723 ucs2) unicode_size="2"
1724 AC_DEFINE(Py_UNICODE_SIZE,2)
1726 ucs4) unicode_size="4"
1727 AC_DEFINE(Py_UNICODE_SIZE,4)
1731 AC_SUBST(UNICODE_OBJS)
1732 if test "$enable_unicode" = "no"
1735 AC_MSG_RESULT(not used)
1737 UNICODE_OBJS="Objects/unicodeobject.o Objects/unicodectype.o"
1738 AC_DEFINE(Py_USING_UNICODE)
1739 if test "$unicode_size" = "$ac_cv_sizeof_wchar_t"
1741 PY_UNICODE_TYPE="wchar_t"
1742 AC_DEFINE(HAVE_USABLE_WCHAR_T)
1743 AC_DEFINE(PY_UNICODE_TYPE,wchar_t)
1744 elif test "$ac_cv_sizeof_short" = "$unicode_size"
1746 PY_UNICODE_TYPE="unsigned short"
1747 AC_DEFINE(PY_UNICODE_TYPE,unsigned short)
1748 elif test "$ac_cv_sizeof_long" = "$unicode_size"
1750 PY_UNICODE_TYPE="unsigned long"
1751 AC_DEFINE(PY_UNICODE_TYPE,unsigned long)
1753 PY_UNICODE_TYPE="no type found"
1755 AC_MSG_RESULT($PY_UNICODE_TYPE)
1758 # check for endianness
1761 # Check whether right shifting a negative integer extends the sign bit
1762 # or fills with zeros (like the Cray J90, according to Tim Peters).
1763 AC_MSG_CHECKING(whether right shift extends the sign bit)
1764 AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
1768 exit(((-1)>>3 == -1) ? 0 : 1);
1770 ], ac_cv_rshift_extends_sign=yes, ac_cv_rshift_extends_sign=no)])
1771 AC_MSG_RESULT($ac_cv_rshift_extends_sign)
1772 if test "$ac_cv_rshift_extends_sign" = no
1774 AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS)
1777 # check for getc_unlocked and related locking functions
1778 AC_MSG_CHECKING(for getc_unlocked() and friends)
1779 AC_CACHE_VAL(ac_cv_have_getc_unlocked, [
1780 AC_TRY_LINK([#include <stdio.h>],[
1781 FILE *f = fopen("/dev/null", "r");
1785 ], ac_cv_have_getc_unlocked=yes, ac_cv_have_getc_unlocked=no)])
1786 AC_MSG_RESULT($ac_cv_have_getc_unlocked)
1787 if test "$ac_cv_have_getc_unlocked" = yes
1789 AC_DEFINE(HAVE_GETC_UNLOCKED)
1792 # check for readline 4.2
1793 AC_CHECK_LIB(readline, rl_completion_matches,
1794 AC_DEFINE(HAVE_RL_COMPLETION_MATCHES), , -ltermcap)
1796 AC_MSG_CHECKING(for broken nice())
1797 AC_CACHE_VAL(ac_cv_broken_nice, [
1802 if (val1 != -1 && val1 == nice(2))
1806 ],ac_cv_broken_nice=yes, ac_cv_broken_nice=no)])
1807 AC_MSG_RESULT($ac_cv_broken_nice)
1808 if test "$ac_cv_broken_nice" = yes
1810 AC_DEFINE(HAVE_BROKEN_NICE)
1813 # THIS MUST BE LAST, IT CAN BREAK OTHER TESTS!
1814 # Add sys/socket.h to confdefs.h
1815 cat >> confdefs.h <<\EOF
1816 #ifdef HAVE_SYS_SOCKET_H
1817 #include <sys/socket.h>
1820 AC_CHECK_TYPE(socklen_t, int)
1822 # Add Python/ prefix to LIBOBJS
1825 for obj in $libobjs; do
1826 LIBOBJS="$LIBOBJS Python/$obj"
1829 #AC_MSG_CHECKING(for Modules/Setup)
1830 #if test ! -f Modules/Setup ; then
1831 # if test ! -d Modules ; then
1834 # cp "$srcdir/Modules/Setup.dist" Modules/Setup
1835 # AC_MSG_RESULT(creating)
1837 # AC_MSG_RESULT(already exists)
1841 SRCDIRS="Parser Grammar Objects Python Modules"
1842 AC_MSG_CHECKING(for build directories)
1843 for dir in $SRCDIRS; do
1844 if test ! -d $dir; then
1850 # generate output files
1851 AC_OUTPUT(Makefile.pre Modules/Setup.config)
1853 echo "creating Setup"
1854 if test ! -f Modules/Setup
1856 cp $srcdir/Modules/Setup.dist Modules/Setup
1859 echo "creating Setup.local"
1860 if test ! -f Modules/Setup.local
1862 echo "# Edit this file for local setup changes" >Modules/Setup.local
1865 echo "creating Makefile"
1866 $SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \
1867 -s Modules Modules/Setup.config \
1868 Modules/Setup.local Modules/Setup