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(config.h)
7 # Set VERSION so we only need to edit in one place (i.e., here)
12 if test -f /usr/lib/NextStep/software_version -o -f /System/Library/CoreServices/software_version ; then
14 AC_MSG_CHECKING(for --with-next-archs)
15 AC_ARG_WITH(next-archs,
16 [ --with-next-archs='arch1 arch2 ..' build MAB binary], [
17 if test -n "$withval"; then
18 ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
19 # GCC does not currently support multi archs on the NeXT
22 AC_MSG_RESULT($with_next_archs)
23 ], [AC_MSG_RESULT(none: using `arch`)])
27 set X `hostinfo | egrep '(NeXT Mach|Kernel Release).*:' | \
28 sed -e 's/://' -e 's/\./_/'` && \
29 ac_sys_system=next && ac_sys_release=$4
31 MACHDEP="$ac_sys_system$ac_sys_release"
35 AC_ARG_WITH(next-framework,
36 [ --with-next-framework Build (OpenStep|Rhapsody|MacOSX) framework],,)
38 [ --with-dyld Use (OpenStep|Rhapsody|MacOSX) dynamic linker],,)
40 # Set name for machine-dependent library files
42 AC_MSG_CHECKING(MACHDEP)
45 ac_sys_system=`uname -s`
46 if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64"; then
47 ac_sys_release=`uname -v`
49 ac_sys_release=`uname -r`
51 ac_md_system=`echo $ac_sys_system |
52 tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
53 ac_md_release=`echo $ac_sys_release |
54 tr -d '[/ ]' | sed 's/\..*//'`
55 MACHDEP="$ac_md_system$ac_md_release"
58 '') MACHDEP="unknown";;
63 # SGI compilers allow the specification of the both the ABI and the
64 # ISA on the command line. Depending on the values of these switches,
65 # different and often incompatable code will be generated.
67 # The SGI_ABI variable can be used to modify the CC and LDFLAGS and
68 # thus supply support for various ABI/ISA combinations. The MACHDEP
69 # variable is also adjusted.
72 if test ! -z "$SGI_ABI"
75 LDFLAGS="$SGI_ABI $LDFLAGS"
76 MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
78 AC_MSG_RESULT($MACHDEP)
81 # CCC is the command that compiles C++ programs
83 # Not all make programs have this predefined.
89 # case $ac_sys_system in
90 # IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
91 # Linux*) SET_CCC="CCC= g++";;
95 # SET_CCC="CCC= ${CCC}"
97 #AC_MSG_RESULT($SET_CCC)
100 # checks for alternative programs
101 AC_MSG_CHECKING(for --without-gcc)
102 AC_ARG_WITH(gcc, [ --without-gcc never use gcc], [
109 without_gcc=$withval;;
111 case $ac_sys_system in
115 # Dunno if it's a good idea to get this over with all at once, or
116 # to handle it in with the other goodies.
121 CC="mwcc -I$PWD/BeOS -nodup"
124 4.0*) OPT="-DUSE_DL_EXPORT -O7 -opt schedule604 -export pragma" ;;
125 *) OPT="-DUSE_DL_EXPORT -O2 -proc 604e -export pragma" ;;
127 CCSHARED=-UUSE_DL_EXPORT
128 LDFLAGS="$LDFLAGS -nodup"
130 AR="$PWD/BeOS/ar-fake"
133 AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
138 OPT="-DUSE_DL_EXPORT -O"
139 CCSHARED=-UUSE_DL_EXPORT
141 AR="$PWD/BeOS/ar-fake"
144 AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
147 AC_ERROR(Your BeOS system isn't PowerPC or x86... neat, but this won't work...)
156 AC_MSG_RESULT($without_gcc)
161 AC_MSG_CHECKING(for --with-cxx=<compiler>)
162 AC_ARG_WITH(cxx, [ --with-cxx=<compiler> enable C++ support],[
172 AC_MSG_RESULT($with_cxx)
175 #AC_MSG_CHECKING(CCC)
178 # case $ac_sys_system in
179 # IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
180 # Linux*) SET_CCC="CCC= g++";;
184 # SET_CCC="CCC= ${CCC}"
186 #AC_MSG_RESULT($SET_CCC)
188 # If the user switches compilers, we can't believe the cache
189 if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
191 AC_ERROR(cached CC is different -- throw away $cache_file
192 (it is also a good idea to do 'make clean' before compiling))
200 gcc) CC="$CC -D_HAVE_BSDI";;
204 case $ac_sys_system in
207 cc|*/cc) CC="$CC -Aa -D_HPUX_SOURCE";;
215 cc) CC="$CC -Wl,-Bexport";;
219 # LDLIBRARY is the name of the library to link against (as opposed to the
220 # name of the library into which to insert object files). On systems
221 # without shared libraries, LDLIBRARY is the same as LIBRARY (defined in
223 AC_SUBST(MAKE_LDLIBRARY)
227 # LINKCC is the command that links the python executable -- default is $(CC).
228 # This is altered for AIX and BeOS in order to build the export list before
231 AC_MSG_CHECKING(LINKCC)
232 if test -z "$LINKCC" -a ! -z "$CXX"
238 case $ac_sys_system in
240 LINKCC="\$(srcdir)/makexp_aix python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
242 LINKCC="\$(srcdir)/../BeOS/linkcc \$(LIBRARY) \$(PURIFY) \$(CC) \$(OPT)"
243 LDLIBRARY='libpython$(VERSION).so';;
245 LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
247 LINKCC="\$(PURIFY) \$(CC) -L/usr/lib/ia64l64";;
248 *) LINKCC="\$(PURIFY) \$(CC)";;
251 AC_MSG_RESULT($LINKCC)
253 AC_MSG_CHECKING(LDLIBRARY)
255 # NeXT framework builds require that the 'ar' library be converted into
256 # a bundle using libtool.
257 if test "$with_next_framework"
259 LDLIBRARY='libpython$(VERSION).dylib'
262 # DG/UX requires some fancy ld contortions to produce a .so from an .a
263 if test "$MACHDEP" = "dguxR4"
265 LDLIBRARY='libpython$(VERSION).so'
268 AC_MSG_RESULT($LDLIBRARY)
270 # If LDLIBRARY is different from LIBRARY, emit a rule to build it.
271 if test -z "$LDLIBRARY"
273 LDLIBRARY='libpython$(VERSION).a'
274 MAKE_LDLIBRARY="true"
276 MAKE_LDLIBRARY='$(MAKE) $(LDLIBRARY)'
281 AC_CHECK_PROGS(AR, ar aal, ar)
283 AC_SUBST(INSTALL_PROGRAM)
284 AC_SUBST(INSTALL_DATA)
285 # Install just never works :-(
286 if test -z "$INSTALL"
292 INSTALL_PROGRAM="$INSTALL"
293 INSTALL_DATA="$INSTALL -m 644"
296 # Not every filesystem supports hard links
298 if test -z "$LN" ; then
299 case $ac_sys_system in
305 # Optimizer/debugger flags passed between Makefiles
311 case $ac_cv_prog_cc_g in
320 # The current (beta) Monterey compiler dies with optimizations
321 case $ac_sys_system in
325 if test "$ac_arch_flags"
327 OPT="$OPT $ac_arch_flags"
329 # checks for UNIX variants that set C preprocessor variables
333 AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
334 AC_CACHE_VAL(ac_cv_opt_olimit_ok,
336 CC="$CC -OPT:Olimit=0"
337 AC_TRY_RUN([int main() { return 0; }],
338 ac_cv_opt_olimit_ok=yes,
339 ac_cv_opt_olimit_ok=no)
341 AC_MSG_RESULT($ac_cv_opt_olimit_ok)
342 if test $ac_cv_opt_olimit_ok = yes; then
343 OPT="$OPT -OPT:Olimit=0"
345 AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
346 AC_CACHE_VAL(ac_cv_olimit_ok,
348 CC="$CC -Olimit 1500"
349 AC_TRY_RUN([int main() { return 0; }],
353 AC_MSG_RESULT($ac_cv_olimit_ok)
354 if test $ac_cv_olimit_ok = yes; then
355 OPT="$OPT -Olimit 1500"
359 dnl # check for ANSI or K&R ("traditional") preprocessor
360 dnl AC_MSG_CHECKING(for C preprocessor type)
362 dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
364 dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
365 dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
366 dnl AC_MSG_RESULT($cpp_type)
368 # checks for header files
370 AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
371 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
372 sys/audioio.h sys/file.h sys/lock.h \
373 sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
374 sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h)
377 # checks for typedefs
379 AC_MSG_CHECKING(for clock_t in time.h)
380 AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
381 AC_MSG_RESULT($was_it_defined)
383 # Add some code to confdefs.h so that the test for off_t works on SCO
384 cat >> confdefs.h <<\EOF
390 # Type availability checks
398 # Sizes of various common basic types
400 AC_CHECK_SIZEOF(long)
401 AC_CHECK_SIZEOF(void *)
402 AC_CHECK_SIZEOF(char)
403 AC_CHECK_SIZEOF(short)
404 AC_CHECK_SIZEOF(float)
405 AC_CHECK_SIZEOF(double)
406 AC_CHECK_SIZEOF(fpos_t)
408 AC_MSG_CHECKING(for long long support)
410 AC_TRY_COMPILE([], [long long x; x = (long long)0;], AC_DEFINE(HAVE_LONG_LONG) have_long_long=yes)
411 AC_MSG_RESULT($have_long_long)
412 if test "$have_long_long" = yes ; then
413 AC_CHECK_SIZEOF(long long)
416 AC_MSG_CHECKING(for uintptr_t support)
418 AC_TRY_COMPILE([], [uintptr_t x; x = (uintptr_t)0;], AC_DEFINE(HAVE_UINTPTR_T) have_uintptr_t=yes)
419 AC_MSG_RESULT($have_uintptr_t)
420 if test "$have_uintptr_t" = yes ; then
421 AC_CHECK_SIZEOF(uintptr_t)
424 # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
425 AC_MSG_CHECKING(size of off_t)
426 AC_CACHE_VAL(ac_cv_sizeof_off_t,
427 [AC_TRY_RUN([#include <stdio.h>
428 #include <sys/types.h>
431 FILE *f=fopen("conftestval", "w");
433 fprintf(f, "%d\n", sizeof(off_t));
435 }], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
437 AC_MSG_RESULT($ac_cv_sizeof_off_t)
438 AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
440 AC_MSG_CHECKING(whether to enable large file support)
441 if test "$have_long_long" = yes -a \
442 "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
443 "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
444 AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
450 # AC_CHECK_SIZEOF() doesn't include <time.h>.
451 AC_MSG_CHECKING(size of time_t)
452 AC_CACHE_VAL(ac_cv_sizeof_time_t,
453 [AC_TRY_RUN([#include <stdio.h>
457 FILE *f=fopen("conftestval", "w");
459 fprintf(f, "%d\n", sizeof(time_t));
461 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
463 AC_MSG_RESULT($ac_cv_sizeof_time_t)
464 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
467 # if have pthread_t then define SIZEOF_PTHREAD_T
468 AC_MSG_CHECKING(for pthread_t)
470 AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = (pthread_t)0;], have_pthread_t=yes)
471 AC_MSG_RESULT($have_pthread_t)
472 if test "$have_pthread_t" = yes ; then
473 # AC_CHECK_SIZEOF() doesn't include <pthread.h>.
474 AC_MSG_CHECKING(size of pthread_t)
475 AC_CACHE_VAL(ac_cv_sizeof_pthread_t,
476 [AC_TRY_RUN([#include <stdio.h>
480 FILE *f=fopen("conftestval", "w");
482 fprintf(f, "%d\n", sizeof(pthread_t));
484 }], ac_cv_sizeof_pthread_t=`cat conftestval`, ac_cv_sizeof_pthread_t=0)
486 AC_MSG_RESULT($ac_cv_sizeof_pthread_t)
487 AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t)
491 # Minor variations in building a framework between NextStep versions 4 and 5
492 AC_SUBST(LIBTOOL_CRUFT)
493 case $ac_sys_system/$ac_sys_release in
495 ns_undef_sym='__environ'
496 LIBTOOL_CRUFT="-U $ns_undef_sym" ;;
498 ns_undef_sym='_environ'
499 LIBTOOL_CRUFT="-lcc_dynamic -U $ns_undef_sym" ;;
502 AC_MSG_CHECKING(for --with-next-framework)
503 if test "$with_next_framework"
505 OPT="$OPT -fno-common"
506 # -U __environ is needed since bundles don't have access
507 # to crt0 when built but will always be linked against it
508 LDFLAGS="$LDFLAGS -Wl,-U,$ns_undef_sym"
509 AC_DEFINE(WITH_NEXT_FRAMEWORK)
515 AC_MSG_CHECKING(for --with-dyld)
516 if test "$with_next_framework" -o "$with_dyld"
522 AC_MSG_RESULT(required for framework build)
530 # Set info about shared libraries.
534 AC_SUBST(LINKFORSHARED)
535 # SO is the extension of shared libraries `(including the dot!)
536 # -- usually .so, .sl on HP-UX
540 case $ac_sys_system in
546 # LDSHARED is the ld *command* used to create shared library
547 # -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
548 # (Shared libraries in this instance are shared modules to be loaded into
549 # Python, as opposed to building Python itself as a shared library.)
550 AC_MSG_CHECKING(LDSHARED)
551 if test -z "$LDSHARED"
553 case $ac_sys_system/$ac_sys_release in
554 AIX*) LDSHARED="\$(srcdir)/ld_so_aix \$(CC)";;
555 BeOS*) LDSHARED="\$(srcdir)/../BeOS/linkmodule -L.. -lpython\$(VERSION)";;
556 IRIX/5*) LDSHARED="ld -shared";;
557 IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";;
558 SunOS/4*) LDSHARED="ld";;
560 if test "$GCC" = "yes"
561 then LDSHARED='$(CC) -G'
562 else LDSHARED="ld -G";
564 hp*|HP*) LDSHARED="ld -b";;
565 OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
566 DYNIX/ptx*) LDSHARED="ld -G";;
569 then LDSHARED='$(CC) $(LDFLAGS) -bundle -prebind'
570 else LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';
572 if test "$with_next_framework" ; then
573 LDSHARED="$LDSHARED \$(LDLIBRARY)"
575 Linux*) LDSHARED="gcc -shared";;
576 dgux*) LDSHARED="ld -G";;
577 BSD/OS*/4*) LDSHARED="gcc -shared";;
578 FreeBSD*/[[34]]*) LDSHARED="gcc -shared";;
579 FreeBSD*|OpenBSD*) LDSHARED="ld -Bshareable";;
581 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
583 LDSHARED="cc -shared"
585 LDSHARED="ld -Bshareable"
587 SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
588 Monterey*) LDSHARED="cc -G -dy -Bdynamic -Bexport -L/usr/lib/ia64l64";;
592 AC_MSG_RESULT($LDSHARED)
593 # CCSHARED are the C *flags* used to create objects to go into a shared
594 # library (module) -- this is only needed for a few systems
595 AC_MSG_CHECKING(CCSHARED)
596 if test -z "$CCSHARED"
598 case $ac_sys_system/$ac_sys_release in
599 hp*|HP*) if test "$GCC" = yes;
600 then CCSHARED="-fpic";
603 Linux*) CCSHARED="-fpic";;
604 BSD/OS*/4*) CCSHARED="-fpic";;
605 FreeBSD*|OpenBSD*) CCSHARED="-fpic";;
606 NetBSD*) CCSHARED="-fPIC";;
607 SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
608 Monterey*) CCSHARED="-G";;
609 IRIX*/6*) case $CC in
610 *gcc*) CCSHARED="-shared";;
615 AC_MSG_RESULT($CCSHARED)
616 # LINKFORSHARED are the flags passed to the $(CC) command that links
617 # the python executable -- this is only needed for a few systems
618 AC_MSG_CHECKING(LINKFORSHARED)
619 if test -z "$LINKFORSHARED"
621 case $ac_sys_system/$ac_sys_release in
622 AIX*) LINKFORSHARED='-Wl,-bE:python.exp -lld';;
624 LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
625 BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
626 FreeBSD/[[34]]*) LINKFORSHARED="-Xlinker -export-dynamic";;
627 Linux*) LINKFORSHARED="-Xlinker -export-dynamic";;
628 # -u libsys_s pulls in all symbols in libsys
629 next/2*|next/3*) LINKFORSHARED="-u libsys_s";;
630 # -u __dummy makes the linker aware of the objc runtime
631 # in System.framework; otherwise, __objcInit (referenced in
632 # crt1.o) gets erroneously defined as common, which breaks dynamic
633 # loading of any modules which reference it in System.framework
634 next/4*|next/5*) LINKFORSHARED="-u __dummy -framework System" ;;
635 SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
637 if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
639 LINKFORSHARED="-Wl,--export-dynamic"
641 SunOS/5*) case $CC in
643 if $CC -Xlinker -V 2>&1 | grep BFD >/dev/null
645 LINKFORSHARED="-Xlinker --export-dynamic"
650 AC_MSG_RESULT($LINKFORSHARED)
652 # checks for libraries
653 AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
654 AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
656 # checks for system dependent C++ extensions support
657 case "$ac_sys_system" in
658 AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
659 AC_TRY_LINK([#include "/usr/lpp/xlC/include/load.h"],
660 [loadAndInit("", 0, "")],
661 [AC_DEFINE(AIX_GENUINE_CPLUSPLUS)
663 [AC_MSG_RESULT(no)]);;
667 # Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
668 # However on SGI IRIX, these exist but are broken.
669 # BeOS' sockets are stashed in libnet.
670 case "$ac_sys_system" in
673 AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
674 AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
677 case "$ac_sys_system" in
679 AC_CHECK_LIB(net, socket, [LIBS="-lnet $LIBS"], [], $LIBS) # BeOS
683 AC_MSG_CHECKING(for --with-libs)
685 [ --with-libs='lib1 ...' link against additional libs], [
686 AC_MSG_RESULT($withval)
687 LIBS="$withval $LIBS"
688 ], AC_MSG_RESULT(no))
690 AC_MSG_CHECKING(for --with(out)-readline)
691 AC_ARG_WITH(readline,
692 [ --with(out)-readline obsolete, edit Modules/Setup instead],
693 [AC_MSG_RESULT($withval)
694 AC_ERROR(--with(out)-readline is obsolete, edit Modules/Setup instead)],
695 [AC_MSG_RESULT(not specified.)])
697 AC_SUBST(USE_THREAD_MODULE)
700 AC_MSG_CHECKING(for --with-dec-threads)
702 AC_ARG_WITH(dec-threads,
703 [ --with-dec-threads use DEC Alpha/OSF1 thread-safe libraries], [
704 AC_MSG_RESULT($withval)
706 if test "${with_thread+set}" != set; then
707 with_thread="$withval";
711 AC_MSG_CHECKING(for --with-threads)
713 [ --with(out)-threads[=DIRECTORY] disable/enable thread support])
715 # --with-thread is deprecated, but check for it anyway
717 [ --with(out)-thread[=DIRECTORY] deprecated; use --with(out)-threads],[
718 with_threads=$with_thread])
720 if test -z "$with_threads"
721 then with_threads="yes"
723 AC_MSG_RESULT($with_threads)
725 if test "$with_threads" = "no"
727 USE_THREAD_MODULE="#"
729 if test -d "$with_threads"
730 then LDFLAGS="$LDFLAGS -L$with_threads"
732 if test -d "$withval"
733 then LDFLAGS="$LDFLAGS -L$withval"
735 AC_DEFINE(_REENTRANT)
736 AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
738 LIBOBJS="$LIBOBJS thread.o"],[
739 AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
740 AC_DEFINE(_POSIX_THREADS)
741 LIBS="-lpthread $LIBS"
742 LIBOBJS="$LIBOBJS thread.o"],[
743 AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
744 AC_DEFINE(_POSIX_THREADS)
745 LIBOBJS="$LIBOBJS thread.o"],[
746 AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
747 AC_DEFINE(BEOS_THREADS)
748 LIBOBJS="$LIBOBJS thread.o"],[
749 AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
750 AC_DEFINE(_POSIX_THREADS)
751 LIBS="$LIBS -lpthreads"
752 LIBOBJS="$LIBOBJS thread.o"], [
753 AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
754 AC_DEFINE(_POSIX_THREADS)
756 LIBOBJS="$LIBOBJS thread.o"], [
757 AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
758 AC_DEFINE(_POSIX_THREADS)
759 LIBS="$LIBS -lthread"
760 LIBOBJS="$LIBOBJS thread.o"], [
761 AC_CHECK_LIB(pth, pth_init, [AC_DEFINE(WITH_THREAD)
764 LIBOBJS="$LIBOBJS thread.o"],[
765 AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
766 AC_DEFINE(_POSIX_THREADS)
768 LIBOBJS="$LIBOBJS thread.o"])
771 AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
773 LIBOBJS="$LIBOBJS thread.o"])
774 AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
775 LIBS="$LIBS -lthread"
776 LIBOBJS="$LIBOBJS thread.o"])
779 # Check for GC support
780 AC_SUBST(USE_GC_MODULE)
782 AC_MSG_CHECKING(for --with-cycle-gc)
783 AC_ARG_WITH(cycle-gc,
784 [ --with(out)-cycle-gc disable/enable garbage collection])
786 if test -z "$with_cycle_gc"
787 then with_cycle_gc="yes"
789 if test "$with_cycle_gc" = "no"
793 AC_DEFINE(WITH_CYCLE_GC)
795 AC_MSG_RESULT($with_cycle_gc)
797 # Check for --with-wctype-functions
798 AC_MSG_CHECKING(for --with-wctype-functions)
799 AC_ARG_WITH(wctype-functions,
800 [ --with-wctype-functions use wctype.h functions], [
801 if test "$withval" != no
802 then AC_DEFINE(WANT_WCTYPE_FUNCTIONS) AC_MSG_RESULT(yes)
803 else AC_MSG_RESULT(no)
807 # -I${DLINCLDIR} is added to the compile rule for importdl.o
811 AC_MSG_CHECKING(for --with-sgi-dl)
813 [ --with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
814 AC_MSG_RESULT($withval)
815 AC_DEFINE(WITH_SGI_DL)
816 DYNLOADFILE="dynload_dl.o"
819 then LDFLAGS="$LDFLAGS -L$dldir"
820 else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
823 LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
825 AC_MSG_CHECKING(for --with-dl-dld)
826 AC_ARG_WITH(dl-dld, [ --with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
827 AC_MSG_RESULT($withval)
828 AC_DEFINE(WITH_DL_DLD)
829 DYNLOADFILE="dynload_dl.o"
830 dldir=`echo "$withval" | sed 's/,.*//'`
831 dlddir=`echo "$withval" | sed 's/.*,//'`
832 if test -d "$dldir" -a -d "$dlddir"
833 then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
834 else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
837 LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
839 # the dlopen() function means we might want to use dynload_shlib.o. some
840 # platforms, such as AIX, have dlopen(), but don't want to use it.
841 AC_CHECK_FUNCS(dlopen)
843 # DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
844 # loading of modules.
845 AC_SUBST(DYNLOADFILE)
846 AC_MSG_CHECKING(DYNLOADFILE)
847 if test -z "$DYNLOADFILE"
849 case $ac_sys_system/$ac_sys_release in
850 AIX*) DYNLOADFILE="dynload_aix.o";;
851 BeOS*) DYNLOADFILE="dynload_beos.o";;
852 hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
853 next/*) DYNLOADFILE="dynload_next.o";;
855 # use dynload_shlib.c and dlopen() if we have it; otherwise stub
856 # out any dynamic loading
857 if test "$ac_cv_func_dlopen" = yes
858 then DYNLOADFILE="dynload_shlib.o"
859 else DYNLOADFILE="dynload_stub.o"
864 AC_MSG_RESULT($DYNLOADFILE)
865 if test "$DYNLOADFILE" != "dynload_stub.o"
867 AC_DEFINE(HAVE_DYNAMIC_LOADING)
870 # checks for library functions
871 AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \
872 flock fork fsync fdatasync fpathconf ftime ftruncate \
873 getgroups getlogin getpeername getpid getpwent getwd \
874 kill link lstat mkfifo mktime mremap \
875 nice pathconf pause plock poll pthread_init \
877 select setegid seteuid setgid \
878 setlocale setregid setreuid setsid setpgid setuid setvbuf \
879 sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
880 tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
881 truncate uname waitpid _getpty)
883 # check for openpty and forkpty
885 AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY)] [LIBS="$LIBS -lutil"]))
886 AC_CHECK_FUNCS(forkpty,, AC_CHECK_LIB(util,forkpty, [AC_DEFINE(HAVE_FORKPTY)] [LIBS="$LIBS -lutil"]))
888 # check for long file support functions
889 AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
891 AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
892 AC_CHECK_FUNCS(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
893 AC_CHECK_FUNCS(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
894 AC_CHECK_FUNCS(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
896 # checks for structures
901 AC_MSG_CHECKING(for time.h that defines altzone)
902 AC_CACHE_VAL(ac_cv_header_time_altzone,
903 [AC_TRY_COMPILE([#include <time.h>], [return altzone;],
904 ac_cv_header_time_altzone=yes,
905 ac_cv_header_time_altzone=no)])
906 AC_MSG_RESULT($ac_cv_header_time_altzone)
907 if test $ac_cv_header_time_altzone = yes; then
908 AC_DEFINE(HAVE_ALTZONE)
912 AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
914 #include <sys/types.h>
915 #include <sys/select.h>
916 #include <sys/time.h>
917 ], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
918 AC_MSG_RESULT($was_it_defined)
920 # checks for compiler characteristics
927 AC_MSG_CHECKING(for working volatile)
928 AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
929 AC_MSG_RESULT($works)
932 AC_MSG_CHECKING(for working signed char)
933 AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
934 AC_MSG_RESULT($works)
937 AC_MSG_CHECKING(for prototypes)
938 AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
939 AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
940 AC_MSG_RESULT($have_prototypes)
943 AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
946 int foo(int x, ...) {
954 ], [return foo(10, "", 3.14);],
955 AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
956 AC_MSG_RESULT($works)
958 if test "$have_prototypes" = yes; then
960 AC_MSG_CHECKING(for bad exec* prototypes)
961 AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
962 AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
963 AC_MSG_RESULT($bad_prototypes)
967 AC_MSG_CHECKING(for bad static forward)
969 struct s { int a; int b; };
976 static struct s foo = { 1, 2 };
978 exit(!((int)&foo == foobar()));
980 ], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
981 AC_MSG_RESULT($bad_forward)
984 AC_MSG_CHECKING(whether va_list is an array)
986 #ifdef HAVE_STDARG_PROTOTYPES
991 ], [va_list list1, list2; list1 = list2;], ,
992 AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
993 AC_MSG_RESULT($va_list_is_array)
995 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
996 AC_CHECK_FUNC(gethostbyname_r, [
997 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
998 AC_MSG_CHECKING([gethostbyname_r with 6 args])
1000 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
1005 struct hostent *he, *res;
1010 (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
1012 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1013 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG)
1017 AC_MSG_CHECKING([gethostbyname_r with 5 args])
1027 (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
1029 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1030 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG)
1034 AC_MSG_CHECKING([gethostbyname_r with 3 args])
1040 struct hostent_data data;
1042 (void) gethostbyname_r(name, he, &data);
1044 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1045 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG)
1054 AC_CHECK_FUNCS(gethostbyname)
1056 AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
1057 AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
1058 AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
1059 AC_SUBST(HAVE_GETHOSTBYNAME_R)
1060 AC_SUBST(HAVE_GETHOSTBYNAME)
1062 # checks for system services
1065 # Linux requires this for correct f.p. operations
1066 AC_CHECK_FUNC(__fpu_control,
1068 [AC_CHECK_LIB(ieee, __fpu_control)
1071 # Check for --with-fpectl
1072 AC_MSG_CHECKING(for --with-fpectl)
1074 [ --with-fpectl enable SIGFPE catching], [
1075 if test "$withval" != no
1076 then AC_DEFINE(WANT_SIGFPE_HANDLER) AC_MSG_RESULT(yes)
1077 else AC_MSG_RESULT(no)
1079 [AC_MSG_RESULT(no)])
1081 # check for --with-libm=...
1083 case $ac_sys_system in
1088 AC_MSG_CHECKING(for --with-libm=STRING)
1089 AC_ARG_WITH(libm, [ --with-libm=STRING math library], [
1090 if test "$withval" = no
1092 AC_MSG_RESULT(force LIBM empty)
1093 elif test "$withval" != yes
1095 AC_MSG_RESULT(set LIBM=\"$withval\")
1096 else AC_ERROR(proper usage is --with-libm=STRING)
1098 [AC_MSG_RESULT(default LIBM=\"$LIBM\")])
1100 # check for --with-libc=...
1102 AC_MSG_CHECKING(for --with-libc=STRING)
1103 AC_ARG_WITH(libc, [ --with-libc=STRING C library], [
1104 if test "$withval" = no
1106 AC_MSG_RESULT(force LIBC empty)
1107 elif test "$withval" != yes
1109 AC_MSG_RESULT(set LIBC=\"$withval\")
1110 else AC_ERROR(proper usage is --with-libc=STRING)
1112 [AC_MSG_RESULT(default LIBC=\"$LIBC\")])
1114 # check for hypot() in math library
1117 AC_REPLACE_FUNCS(hypot)
1121 AC_MSG_CHECKING(for genuine getopt)
1122 AC_CACHE_VAL(ac_cv_func_getopt,
1123 [AC_TRY_RUN([#include <stdio.h>
1124 extern int optind, opterr, getopt();
1125 extern char* optarg;
1127 char* av[] = { "testprog", "parameter", "-fFlag", NULL };
1129 if (getopt(3, av, "f:") == 'f') { exit(1); }
1131 }], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
1132 AC_MSG_RESULT($ac_cv_func_getopt)
1133 test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
1134 AC_SUBST(LIBOBJS)dnl
1136 # check whether malloc(0) returns NULL or not
1137 AC_MSG_CHECKING(what malloc(0) returns)
1138 AC_CACHE_VAL(ac_cv_malloc_zero,
1139 [AC_TRY_RUN([#include <stdio.h>
1143 char *malloc(), *realloc();
1149 if (p == NULL) exit(1);
1151 if (p == NULL) exit(1);
1154 }], ac_cv_malloc_zero=nonnull, ac_cv_malloc_zero=null)])
1155 AC_MSG_RESULT($ac_cv_malloc_zero)
1156 if test "$ac_cv_malloc_zero" = null
1158 AC_DEFINE(MALLOC_ZERO_RETURNS_NULL)
1162 AC_CHECK_HEADER(wchar.h,
1163 AC_DEFINE(HAVE_WCHAR_H) wchar_h="yes",
1167 # check for usable wchar_t
1168 usable_wchar_t="unkown"
1169 AC_MSG_CHECKING(for usable wchar_t)
1181 AC_DEFINE(HAVE_USABLE_WCHAR_T) usable_wchar_t="yes",
1182 usable_wchar_t="no")
1183 AC_MSG_RESULT($usable_wchar_t)
1185 # check for endianness
1188 # Check whether right shifting a negative integer extends the sign bit
1189 # or fills with zeros (like the Cray J90, according to Tim Peters).
1190 AC_MSG_CHECKING(whether right shift extends the sign bit)
1191 AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
1195 exit(((-1)>>3 == -1) ? 0 : 1);
1197 ], ac_cv_rshift_extends_sign=yes, ac_cv_rshift_extends_sign=no)])
1198 AC_MSG_RESULT($ac_cv_rshift_extends_sign)
1199 if test "$ac_cv_rshift_extends_sign" = no
1201 AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS)
1205 # THIS MUST BE LAST, IT CAN BREAK OTHER TESTS!
1206 # Add sys/socket.h to confdefs.h
1207 cat >> confdefs.h <<\EOF
1208 #ifdef HAVE_SYS_SOCKET_H
1209 #include <sys/socket.h>
1212 AC_CHECK_TYPE(socklen_t, int)
1214 # generate output files
1215 AC_OUTPUT(Makefile \
1220 Modules/Makefile.pre \
1221 Modules/Setup.config)