1 # Process this file with autoconf to produce a configure script.
2 # require autoconf 2.54
5 dnl ***********************************
6 dnl *** include special GLib macros ***
7 dnl ***********************************
9 m4_define(glib_configure_in)
10 m4_include(acglib.m4)dnl
11 m4_include(glib/libcharset/codeset.m4)dnl
12 m4_include(glib/libcharset/glibc21.m4)dnl
13 m4_include(m4macros/glib-gettext.m4)dnl
16 # The following version number definitions apply to GLib, GModule, GObject
17 # and GThread as a whole, so if changes occoured in any of them, they are all
18 # treated with the same interface and binary age.
21 # glib_micro_version += 1;
22 # glib_interface_age += 1;
23 # glib_binary_age += 1;
24 # if any functions have been added, set glib_interface_age to 0.
25 # if backwards compatibility has been broken,
26 # set glib_binary_age _and_ glib_interface_age to 0.
28 m4_define([glib_major_version], [2])
29 m4_define([glib_minor_version], [13])
30 m4_define([glib_micro_version], [0])
31 m4_define([glib_interface_age], [0])
32 m4_define([glib_binary_age],
33 [m4_eval(100 * glib_minor_version + glib_micro_version)])
34 m4_define([glib_version],
35 [glib_major_version.glib_minor_version.glib_micro_version])
37 # libtool version related macros
38 m4_define([glib_lt_release], [glib_major_version.glib_minor_version])
39 m4_define([glib_lt_current],
40 [m4_eval(100 * glib_minor_version + glib_micro_version - glib_interface_age)])
41 m4_define([glib_lt_revision], [glib_interface_age])
42 m4_define([glib_lt_age], [m4_eval(glib_binary_age - glib_interface_age)])
43 m4_define([glib_lt_current_minus_age],
44 [m4_eval(glib_lt_current - glib_lt_age)])
46 # if the minor version number is odd, then we want debugging. Otherwise
47 # we only want minimal debugging support.
48 m4_define([glib_debug_default],
49 [m4_if(m4_eval(glib_minor_version % 2), [1], [yes], [minimum])])dnl
52 AC_INIT(glib, [glib_version],
53 [http://bugzilla.gnome.org/enter_bug.cgi?product=glib])
55 AC_CONFIG_SRCDIR([glib/glib.h])
57 # Save this value here, since automake will set cflags later
58 cflags_set=${CFLAGS+set}
60 AM_INIT_AUTOMAKE([no-define])
62 # Specify a configuration file
63 AM_CONFIG_HEADER([config.h])
66 GLIB_MAJOR_VERSION=glib_major_version
67 GLIB_MINOR_VERSION=glib_minor_version
68 GLIB_MICRO_VERSION=glib_micro_version
69 GLIB_INTERFACE_AGE=glib_interface_age
70 GLIB_BINARY_AGE=glib_binary_age
71 GLIB_VERSION=glib_version
73 AC_SUBST(GLIB_MAJOR_VERSION)
74 AC_SUBST(GLIB_MINOR_VERSION)
75 AC_SUBST(GLIB_MICRO_VERSION)
76 AC_SUBST(GLIB_VERSION)
77 AC_SUBST(GLIB_INTERFACE_AGE)
78 AC_SUBST(GLIB_BINARY_AGE)
80 AC_DEFINE(GLIB_MAJOR_VERSION, [glib_major_version],
81 [Define to the GLIB major version])
82 AC_DEFINE(GLIB_MINOR_VERSION, [glib_minor_version],
83 [Define to the GLIB minor version])
84 AC_DEFINE(GLIB_MICRO_VERSION, [glib_micro_version],
85 [Define to the GLIB micro version])
86 AC_DEFINE(GLIB_INTERFACE_AGE, [glib_interface_age],
87 [Define to the GLIB interface age])
88 AC_DEFINE(GLIB_BINARY_AGE, [glib_binary_age],
89 [Define to the GLIB binary age])
92 LT_RELEASE=glib_lt_release
93 LT_CURRENT=glib_lt_current
94 LT_REVISION=glib_lt_revision
96 LT_CURRENT_MINUS_AGE=glib_lt_current_minus_age
101 AC_SUBST(LT_CURRENT_MINUS_AGE)
103 dnl Initialize maintainer mode
108 AC_MSG_CHECKING([for the BeOS])
111 glib_native_beos="yes"
114 glib_native_beos="no"
117 AC_MSG_RESULT([$glib_native_beos])
121 AC_MSG_CHECKING([for Win32])
124 glib_native_win32=yes
126 GMODULE_DEF=gmodule.def
127 GOBJECT_DEF=gobject.def
128 GTHREAD_DEF=gthread.def
129 TESTGMODULE_EXP=testgmodule.exp
130 glib_pid_type='void *'
149 AC_MSG_RESULT([$glib_native_win32])
150 AM_CONDITIONAL(OS_WIN32, [test "$glib_native_win32" = "yes"])
151 AM_CONDITIONAL(OS_UNIX, [test "$glib_native_win32" != "yes"])
152 AM_CONDITIONAL(OS_LINUX, [test "$glib_os_linux" = "yes"])
154 AC_SUBST(GMODULE_DEF)
155 AC_SUBST(GOBJECT_DEF)
156 AC_SUBST(GTHREAD_DEF)
157 AC_SUBST(TESTGMODULE_EXP)
159 if test "$glib_native_win32" = "yes"; then
160 AC_CHECK_TOOL(WINDRES, windres, no)
161 if test "$WINDRES" = no; then
162 AC_MSG_ERROR([*** Could not find an implementation of windres in your PATH.])
164 AC_CHECK_TOOL(NM, nm, no)
165 if test "$NM" = no; then
166 AC_MSG_ERROR([*** Could not find an implementation of nm in your PATH.])
168 AC_CHECK_TOOL(RANLIB, ranlib, :)
169 AC_CHECK_PROG(ms_librarian, [lib.exe], [yes], [no])
171 AM_CONDITIONAL(MS_LIB_AVAILABLE, [test x$ms_librarian = xyes])
173 if test "$glib_native_win32" != yes; then
174 # libtool option to control which symbols are exported
175 # right now, symbols starting with _ are not exported
176 LIBTOOL_EXPORT_OPTIONS='-export-symbols-regex "^[[^_]].*"'
178 # We currently use .def files on Windows
179 LIBTOOL_EXPORT_OPTIONS=
181 AC_SUBST(LIBTOOL_EXPORT_OPTIONS)
183 dnl declare --enable-* args and collect ac_help strings
185 AC_HELP_STRING([--enable-debug=@<:@no/minimum/yes@:>@],
186 [turn on debugging @<:@default=glib_debug_default@:>@]),,
187 enable_debug=glib_debug_default)
189 AC_ARG_ENABLE(gc_friendly,
190 [AC_HELP_STRING([--enable-gc-friendly],
191 [turn on garbage collector friendliness [default=no]])],,
192 [enable_gc_friendly=no])
193 AC_ARG_ENABLE(mem_pools,
194 [AC_HELP_STRING([--disable-mem-pools],
195 [disable all glib memory pools])],,
196 [disable_mem_pools=no])
197 AC_ARG_ENABLE(threads,
198 [AC_HELP_STRING([--enable-threads],
199 [turn on basic thread support [default=yes]
200 ([=no] will override --with-threads)])],,
201 [enable_threads=yes])
202 AC_ARG_ENABLE(rebuilds,
203 [AC_HELP_STRING([--disable-rebuilds],
204 [disable all source autogeneration rules])],,
205 [enable_rebuilds=yes])
206 AC_ARG_ENABLE(visibility,
207 [AC_HELP_STRING([--disable-visibility],
208 [don't use ELF visibility attributes])],,
209 [enable_visibility=yes])
211 if test "x$enable_threads" != "xyes"; then
215 AC_DEFINE_UNQUOTED(G_COMPILED_WITH_DEBUGGING, ["${enable_debug}"],
216 [Whether glib was compiled with debugging enabled])
218 AC_MSG_CHECKING([whether to enable garbage collector friendliness])
219 if test "x$enable_gc_friendly" = "xyes"; then
220 AC_DEFINE(ENABLE_GC_FRIENDLY_DEFAULT, 1, [Whether to enable GC friendliness by default])
226 AC_MSG_CHECKING([whether to disable memory pools])
227 if test "x$disable_mem_pools" = "xno"; then
230 AC_DEFINE(DISABLE_MEM_POOLS, [1], [Whether to disable memory pools])
231 AC_SUBST(DISABLE_MEM_POOLS)
235 if test "$glib_native_win32" = "yes"; then
236 if test x$enable_static = xyes -o x$enable_static = x; then
237 AC_MSG_WARN([Disabling static library build, must build as DLL on Windows.])
240 if test x$enable_shared = xno; then
241 AC_MSG_WARN([Enabling shared library build, must build as DLL on Windows.])
246 dnl Checks for programs.
249 dnl Check for a working C++ compiler, but do not bail out, if none is found.
250 AC_CHECK_PROGS(CXX, [$CCC c++ g++ gcc CC cxx cc++ cl], [gcc])
253 AC_TRY_COMPILE(,[class a { int b; } c;], ,CXX=)
254 AM_CONDITIONAL(HAVE_CXX, [test "$CXX" != ""])
265 AC_PATH_PROG(PKG_CONFIG, [pkg-config], [no])
266 if test x$PKG_CONFIG = xno ; then
267 AC_MSG_ERROR([*** pkg-config not found. See http://www.freedesktop.org/software/pkgconfig/])
270 if $PKG_CONFIG --atleast-pkgconfig-version 0.14 ; then
273 AC_MSG_ERROR([*** pkg-config too old; version 0.14 or better required.])
276 if test "x$enable_debug" = "xyes"; then
277 if test x$cflags_set != xset ; then
279 *[[\ \ ]]-g[[\ \ ]]*) ;;
280 *) CFLAGS="$CFLAGS -g" ;;
284 GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
286 GLIB_DEBUG_FLAGS="-DG_DISABLE_CAST_CHECKS"
288 if test "x$enable_debug" = "xno"; then
289 GLIB_DEBUG_FLAGS="$GLIB_DEBUG_FLAGS -DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
293 if test "x$enable_visibility" = "xno"; then
294 GLIB_DEBUG_FLAGS="$GLIB_DEBUG_FLAGS -DDISABLE_VISIBILITY"
297 # Ensure MSVC-compatible struct packing convention is used when
298 # compiling for Win32 with gcc.
299 # What flag to depends on gcc version: gcc3 uses "-mms-bitfields", while
300 # gcc2 uses "-fnative-struct".
301 if test x"$glib_native_win32" = xyes; then
302 if test x"$GCC" = xyes; then
304 AC_MSG_CHECKING([how to get MSVC-compatible struct packing])
305 if test -z "$ac_cv_prog_CC"; then
308 our_gcc="$ac_cv_prog_CC"
310 case `$our_gcc --version | sed -e 's,\..*,.,' -e q` in
312 if $our_gcc -v --help 2>/dev/null | grep fnative-struct >/dev/null; then
313 msnative_struct='-fnative-struct'
317 if $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then
318 msnative_struct='-mms-bitfields'
322 if test x"$msnative_struct" = x ; then
323 AC_MSG_RESULT([no way])
324 AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code])
326 CFLAGS="$CFLAGS $msnative_struct"
327 AC_MSG_RESULT([${msnative_struct}])
334 # define a MAINT-like variable REBUILD which is set if Perl
335 # and awk are found, so autogenerated sources can be rebuilt
337 AC_CHECK_PROGS(PERL, [perl5 perl])
338 # We would like indent, but don't require it.
339 AC_CHECK_PROG(INDENT, indent, indent)
341 if test "x$enable_rebuilds" = "xyes" && \
343 $PERL -e 'exit !($] >= 5.002)' > /dev/null 2>&1 && \
344 test -n "$AWK" ; then
349 # Need full path to Perl for glib-mkenums
351 if test "x$PERL" != x ; then
352 AC_PATH_PROG(PERL_PATH, [$PERL])
354 PERL_PATH="/usr/bin/env perl"
358 dnl ***********************
359 dnl *** Tests for iconv ***
360 dnl ***********************
362 dnl We do this before the gettext checks, to avoid distortion
364 AC_ARG_WITH(libiconv,
365 [AC_HELP_STRING([--with-libiconv=@<:@no/gnu/native@:>@],
366 [use the libiconv library])],,
367 [with_libiconv=maybe])
370 case $with_libiconv in
372 # Check in the C library first
373 AC_CHECK_FUNC(iconv_open, [with_libiconv=no; found_iconv=yes])
374 # Check if we have GNU libiconv
375 if test $found_iconv = "no"; then
376 AC_CHECK_LIB(iconv, libiconv_open, [with_libiconv=gnu; found_iconv=yes])
378 # Check if we have a iconv in -liconv, possibly from vendor
379 if test $found_iconv = "no"; then
380 AC_CHECK_LIB(iconv, iconv_open, [with_libiconv=native; found_iconv=yes])
384 AC_CHECK_FUNC(iconv_open, [with_libiconv=no; found_iconv=yes])
387 AC_CHECK_LIB(iconv, libiconv_open, [with_libiconv=gnu; found_iconv=yes])
390 AC_CHECK_LIB(iconv, iconv_open, [with_libiconv=native; found_iconv=yes])
394 if test "x$found_iconv" = "xno" ; then
395 AC_MSG_ERROR([*** No iconv() implementation found in C library or libiconv])
399 AC_ARG_ENABLE(iconv-cache,
400 [AC_HELP_STRING([--enable-iconv-cache=@<:@yes/no/auto@:>@],
401 [cache iconv descriptors [default=auto]])],,
402 [enable_iconv_cache=auto])
404 AC_MSG_CHECKING([Whether to cache iconv descriptors])
405 case $enable_iconv_cache in
407 if test $ac_cv_gnu_library_2_1 = yes; then
408 enable_iconv_cache=no
410 enable_iconv_cache=yes
415 *) AC_MSG_ERROR([Value given to --enable-iconv-cache must be one of yes, no or auto])
419 if test $enable_iconv_cache = yes; then
420 AC_DEFINE(NEED_ICONV_CACHE,1,[Do we cache iconv descriptors])
423 AC_MSG_RESULT($enable_iconv_cache)
430 ALL_LINGUAS="am ar az be bg bn bn_IN bs ca cs cy da de dz el en_CA en_GB eo es et eu fa fi fr ga gl gu he hi hr hu hy id is it ja ka ko ku lt lv mk ml mn ms nb ne nl nn or pa pl pt pt_BR ro ru rw sk sl sq sr sr@Latn sr@ije sv ta te th tl tr tt uk vi wa xh yi zh_CN zh_HK zh_TW"
433 if test "$gt_cv_have_gettext" != "yes" ; then
435 *** You must have either have gettext support in your C library, or use the
436 *** GNU gettext library. (http://www.gnu.org/software/gettext/gettext.html
440 LIBS="$INTLLIBS $LIBS"
442 GETTEXT_PACKAGE=glib20
443 AC_SUBST(GETTEXT_PACKAGE)
444 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, ["$GETTEXT_PACKAGE"],
445 [Define the gettext package to be used])
447 GLIB_DEFINE_LOCALEDIR(GLIB_LOCALE_DIR)
450 dnl Now we are done with gettext checks, figure out ICONV_LIBS
453 if test x$with_libiconv != xno ; then
454 case " $INTLLIBS " in
455 *[[\ \ ]]-liconv[[\ \ ]]*) ;;
456 *) ICONV_LIBS="-liconv" ;;
461 case $with_libiconv in
463 AC_DEFINE(USE_LIBICONV_GNU, 1, [Using GNU libiconv])
466 AC_DEFINE(USE_LIBICONV_NATIVE, 1, [Using a native implementation of iconv in a separate library])
470 dnl Initialize libtool
475 if test "x$GCC" = "xyes"; then
477 *[[\ \ ]]-Wall[[\ \ ]]*) ;;
478 *) CFLAGS="$CFLAGS -Wall" ;;
483 dnl DU4 native cc currently needs -std1 for ANSI mode (instead of K&R)
485 if test $cross_compiling != yes ; then
486 AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
489 AC_TRY_RUN([#include <math.h>
490 int main (void) { return (log(1) != log(1.)); }],
491 AC_MSG_RESULT(none needed),
492 glib_save_CFLAGS=$CFLAGS
493 CFLAGS="$CFLAGS -std1"
494 AC_TRY_RUN([#include <math.h>
495 int main (void) { return (log(1) != log(1.)); }],
496 AC_MSG_RESULT(-std1),
498 CFLAGS=$glib_save_CFLAGS
500 [No ANSI prototypes found in library. (-std1 didn't work.)])
506 dnl NeXTStep cc seems to need this
507 AC_MSG_CHECKING([for extra flags for POSIX compliance])
508 AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
509 AC_MSG_RESULT(none needed),
510 glib_save_CFLAGS=$CFLAGS
511 CFLAGS="$CFLAGS -posix"
512 AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
513 AC_MSG_RESULT(-posix),
515 CFLAGS=$glib_save_CFLAGS
516 AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))
518 # Checks for header files.
521 # Checks for library functions.
525 AC_CHECK_FUNCS(posix_memalign)
526 AC_CHECK_FUNCS(memalign)
527 AC_CHECK_FUNCS(valloc)
529 AC_CHECK_FUNCS(atexit on_exit)
531 AC_CHECK_FUNCS(timegm)
533 AC_CHECK_SIZEOF(char)
534 AC_CHECK_SIZEOF(short)
535 AC_CHECK_SIZEOF(long)
537 AC_CHECK_SIZEOF(void *)
538 AC_CHECK_SIZEOF(long long)
539 AC_CHECK_SIZEOF(__int64)
541 if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then
545 *** GLib requires a 64 bit type. You might want to consider
546 *** using the GNU C compiler.
550 if test x$glib_native_win32 != xyes && test x$ac_cv_sizeof_long_long = x8; then
551 # long long is a 64 bit integer.
552 AC_MSG_CHECKING(for format to printf and scanf a guint64)
553 AC_CACHE_VAL(glib_cv_long_long_format,[
554 for format in ll q I64; do
555 AC_TRY_RUN([#include <stdio.h>
558 long long b, a = -0x3AFAFAFAFAFAFAFALL;
560 sprintf (buffer, "%${format}u", a);
561 sscanf (buffer, "%${format}u", &b);
565 [glib_cv_long_long_format=${format}
569 if test -n "$glib_cv_long_long_format"; then
570 AC_MSG_RESULT(%${glib_cv_long_long_format}u)
571 AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long])
572 if test x"$glib_cv_long_long_format" = xI64; then
573 AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64])
578 elif test x$ac_cv_sizeof___int64 = x8; then
579 # __int64 is a 64 bit integer.
580 AC_MSG_CHECKING(for format to printf and scanf a guint64)
581 # We know this is MSVCRT.DLL, and what the formats are
582 glib_cv_long_long_format=I64
583 AC_MSG_RESULT(%${glib_cv_long_long_format}u)
584 AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long])
585 AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64])
588 dnl long doubles were not used, and a portability problem
592 dnl ok, here we try to check whether the systems prototypes for
593 dnl malloc and friends actually match the prototypes provided
594 dnl by gmem.h (keep in sync). i currently only know how to check
595 dnl this reliably with gcc (-Werror), improvements for other
596 dnl compilers are apprechiated.
597 SANE_MALLOC_PROTOS=no
598 AC_MSG_CHECKING([if malloc() and friends prototypes are gmem.h compatible])
599 glib_save_CFLAGS=$CFLAGS
600 if test "x$GCC" = "xyes"; then
601 CFLAGS="$CFLAGS -Werror"
602 AC_TRY_COMPILE([#include <stdlib.h>], [
603 void* (*my_calloc_p) (size_t, size_t) = calloc;
604 void* (*my_malloc_p) (size_t) = malloc;
605 void (*my_free_p) (void*) = free;
606 void* (*my_realloc_p) (void*, size_t) = realloc;
612 AC_DEFINE(SANE_MALLOC_PROTOS, 1,
613 [Define if you have correct malloc prototypes])
614 SANE_MALLOC_PROTOS=yes)
616 AC_MSG_RESULT($SANE_MALLOC_PROTOS)
617 CFLAGS=$glib_save_CFLAGS
620 dnl check in which direction the stack grows
622 AC_CACHE_CHECK([for growing stack pointer],glib_cv_stack_grows,[
624 volatile int *a = 0, *b = 0;
626 int main () { volatile int y = 7; a = &y; foo (); return b > a; }
627 void foo (void) { volatile int x = 5; b = &x; }
629 glib_cv_stack_grows=no
631 glib_cv_stack_grows=yes
635 dnl AC_C_INLINE is useless to us since it bails out too early, we need to
636 dnl truely know which ones of `inline', `__inline' and `__inline__' are
637 dnl actually supported.
638 AC_CACHE_CHECK([for __inline],glib_cv_has__inline,[
640 __inline int foo () { return 0; }
641 int main () { return foo (); }
643 glib_cv_has__inline=yes
645 glib_cv_has__inline=no
648 case x$glib_cv_has__inline in
649 xyes) AC_DEFINE(G_HAVE___INLINE,1,[Have __inline keyword])
651 AC_CACHE_CHECK([for __inline__],glib_cv_has__inline__,[
653 __inline__ int foo () { return 0; }
654 int main () { return foo (); }
656 glib_cv_has__inline__=yes
658 glib_cv_has__inline__=no
661 case x$glib_cv_has__inline__ in
662 xyes) AC_DEFINE(G_HAVE___INLINE__,1,[Have __inline__ keyword])
664 AC_CACHE_CHECK([for inline], glib_cv_hasinline,[
667 inline int foo () { return 0; }
668 int main () { return foo (); }
670 glib_cv_hasinline=yes
675 case x$glib_cv_hasinline in
676 xyes) AC_DEFINE(G_HAVE_INLINE,1,[Have inline keyword])
679 # if we can use inline functions in headers
680 AC_MSG_CHECKING(if inline functions in headers work)
682 #if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__)
684 # define inline __inline__
685 #elif !defined (G_HAVE_INLINE)
687 # if defined (G_HAVE___INLINE__)
688 # define inline __inline__
689 # elif defined (G_HAVE___INLINE)
690 # define inline __inline
694 int glib_test_func2 (int);
697 glib_test_func1 (void) {
698 return glib_test_func2 (1);
704 }],[g_can_inline=yes],[g_can_inline=no])
705 AC_MSG_RESULT($g_can_inline)
707 dnl *** check for working do while(0) macros ***
708 AC_CACHE_CHECK([for working do while(0) macros], g_support_dowhile_macros, [
710 #define STMT_START do
711 #define STMT_END while(0)
712 #define STMT_TEST STMT_START { i = 0; } STMT_END
713 int main(void) { int i = 1; STMT_TEST; return i; }],
714 [g_support_dowhile_macros=yes],
715 [g_support_dowhile_macros=no],
716 [g_support_dowhile_macros=yes])
718 if test x$g_support_dowhile_macros = xyes; then
719 AC_DEFINE(HAVE_DOWHILE_MACROS, 1, [define for working do while(0) macros])
722 # check for flavours of varargs macros
723 AC_MSG_CHECKING(for ISO C99 varargs macros in C)
725 int a(int p1, int p2, int p3);
726 #define call_a(...) a(1,__VA_ARGS__)
728 ],g_have_iso_c_varargs=yes,g_have_iso_c_varargs=no)
729 AC_MSG_RESULT($g_have_iso_c_varargs)
731 AC_MSG_CHECKING(for ISO C99 varargs macros in C++)
732 if test "$CXX" = ""; then
734 g_have_iso_cxx_varargs=no
738 int a(int p1, int p2, int p3);
739 #define call_a(...) a(1,__VA_ARGS__)
741 ],g_have_iso_cxx_varargs=yes,g_have_iso_cxx_varargs=no)
744 AC_MSG_RESULT($g_have_iso_cxx_varargs)
746 AC_MSG_CHECKING(for GNUC varargs macros)
748 int a(int p1, int p2, int p3);
749 #define call_a(params...) a(1,params)
751 ],g_have_gnuc_varargs=yes,g_have_gnuc_varargs=no)
752 AC_MSG_RESULT($g_have_gnuc_varargs)
754 # check for GNUC visibility support
755 AC_MSG_CHECKING(for GNUC visibility attribute)
756 GLIB_CHECK_COMPILE_WARNINGS([
758 __attribute__ ((visibility ("hidden")))
763 __attribute__ ((visibility ("internal")))
768 __attribute__ ((visibility ("protected")))
773 __attribute__ ((visibility ("default")))
777 int main (int argc, char **argv)
785 ],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)
786 AC_MSG_RESULT($g_have_gnuc_visibility)
787 AM_CONDITIONAL(HAVE_GNUC_VISIBILITY, [test x$g_have_gnuc_visibility = xyes])
789 # check for bytesex stuff
792 # check for header files
793 AC_CHECK_HEADERS([dirent.h float.h limits.h pwd.h sys/param.h sys/poll.h])
794 AC_CHECK_HEADERS([sys/time.h sys/times.h sys/wait.h unistd.h values.h])
795 AC_CHECK_HEADERS([sys/select.h sys/types.h stdint.h sched.h malloc.h])
797 # Checks for libcharset
800 AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
801 AC_CHECK_FUNCS(setlocale)
803 # check additional type sizes
804 AC_CHECK_SIZEOF(size_t)
806 dnl Try to figure out whether gsize, gssize should be long or int
807 AC_MSG_CHECKING([for the appropriate definition for size_t])
809 case $ac_cv_sizeof_size_t in
819 *) AC_MSG_ERROR([No type matching size_t in size])
823 dnl If int/long are the same size, we see which one produces
824 dnl warnings when used in the location as size_t. (This matters
827 if test $ac_cv_sizeof_size_t = $ac_cv_sizeof_int &&
828 test $ac_cv_sizeof_size_t = $ac_cv_sizeof_long ; then
829 GLIB_CHECK_COMPILE_WARNINGS([
830 #if defined(_AIX) && !defined(__GNUC__)
831 #pragma options langlvl=stdc89
837 unsigned int *size_int = &s;
838 return (int)*size_int;
840 ],glib_size_type=int,
841 [GLIB_CHECK_COMPILE_WARNINGS([
842 #if defined(_AIX) && !defined(__GNUC__)
843 #pragma options langlvl=stdc89
849 unsigned long *size_long = &s;
850 return (int)*size_long;
852 ],glib_size_type=long)])
855 AC_MSG_RESULT(unsigned $glib_size_type)
857 # Check for some functions
858 AC_CHECK_FUNCS(lstat strerror strsignal memmove vsnprintf stpcpy strcasecmp strncasecmp poll getcwd vasprintf setenv unsetenv getc_unlocked readlink symlink fdwalk)
859 # Check for high-resolution sleep functions
860 AC_CHECK_FUNCS(nanosleep nsleep)
862 AC_CHECK_HEADERS(crt_externs.h)
863 AC_CHECK_FUNCS(_NSGetEnviron)
865 AC_FUNC_VSNPRINTF_C99
866 AC_FUNC_PRINTF_UNIX98
869 # Check whether to use an included printf
872 AC_ARG_ENABLE(included-printf,
873 [AC_HELP_STRING([--enable-included-printf],
874 [use included printf [default=auto]])],
875 enable_included_printf="$enableval")
877 need_included_printf=no
878 if test "x$enable_included_printf" = "xyes" ; then
879 need_included_printf=yes
881 if test "$ac_cv_func_vsnprintf_c99" != "yes" ; then
882 need_included_printf=yes
884 if test "$ac_cv_func_printf_unix98" != "yes" ; then
885 need_included_printf=yes
887 if test "x$ac_cv_sizeof_long_long" = "x8" &&
888 test -z "$glib_cv_long_long_format" ; then
889 need_included_printf=yes
892 if test "x$enable_included_printf" = "xno" &&
893 test "x$need_included_printf" = "xyes" ; then
895 *** Your C library's printf doesn't appear to have the features that
896 *** GLib needs, but you specified --enable-included-printf=no.])
899 enable_included_printf=$need_included_printf
901 AM_CONDITIONAL(HAVE_GOOD_PRINTF, test "$enable_included_printf" != "yes")
902 if test "$enable_included_printf" != "yes" ; then
903 AC_DEFINE(HAVE_GOOD_PRINTF,1,[define to use system printf])
905 if test -z "$glib_cv_long_long_format" ; then
906 glib_cv_long_long_format="ll"
908 AC_DEFINE(HAVE_VASPRINTF,1)
911 # Checks needed for gnulib vasnprintf
918 AC_CHECK_TYPES(ptrdiff_t)
920 AC_CHECK_FUNCS([snprintf wcslen])
923 # Check if bcopy can be used for overlapping copies, if memmove isn't found.
924 # The check is borrowed from the PERL Configure script.
925 if test "$ac_cv_func_memmove" != "yes"; then
926 AC_CACHE_CHECK(whether bcopy can handle overlapping copies,
927 glib_cv_working_bcopy,[AC_TRY_RUN([
929 char buf[128], abc[128], *b;
931 bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
932 for (align = 7; align >= 0; align--) {
933 for (len = 36; len; len--) {
934 b = buf+align; bcopy(abc, b, len);
935 for (off = 1; off <= len; off++) {
936 bcopy(b, b+off, len); bcopy(b+off, b, len);
937 if (bcmp(b, abc, len)) return(1);
942 }],glib_cv_working_bcopy=yes,glib_cv_working_bcopy=no)])
944 GLIB_ASSERT_SET(glib_cv_working_bcopy)
945 if test "$glib_cv_working_bcopy" = "yes"; then
946 AC_DEFINE(HAVE_WORKING_BCOPY,1,[Have a working bcopy])
950 # Check for sys_errlist
951 AC_MSG_CHECKING(for sys_errlist)
953 extern char *sys_errlist[];
955 sys_errlist[sys_nerr-1][0] = 0;
956 ], glib_ok=yes, glib_ok=no)
957 AC_MSG_RESULT($glib_ok)
958 if test "$glib_ok" = "no"; then
959 AC_DEFINE(NO_SYS_ERRLIST,1,[global 'sys_errlist' not found])
962 # Check for sys_siglist
963 AC_MSG_CHECKING(for sys_siglist)
965 extern char *sys_siglist[];
966 exit (sys_siglist[0]);
967 ], glib_ok=yes, glib_ok=no)
968 AC_MSG_RESULT($glib_ok)
969 if test "$glib_ok" = "no"; then
970 AC_DEFINE(NO_SYS_SIGLIST,1,[global 'sys_siglist' not found])
973 # Check for sys_siglist decl (see Tue Jan 19 00:44:24 1999 in changelog)
974 AC_MSG_CHECKING(for sys_siglist declaration)
975 AC_TRY_COMPILE([#include <signal.h>], [
976 strlen (sys_siglist[0]);
977 ], glib_ok=yes, glib_ok=no)
978 AC_MSG_RESULT($glib_ok)
979 if test "$glib_ok" = "no"; then
980 AC_DEFINE(NO_SYS_SIGLIST_DECL,1,[global 'sys_siglist' not declared])
983 # Check if <sys/select.h> needs to be included for fd_set
984 AC_MSG_CHECKING([for fd_set])
985 AC_TRY_COMPILE([#include <sys/types.h>],
986 [fd_set readMask, writeMask;], gtk_ok=yes, gtk_ok=no)
987 if test "$gtk_ok" = "yes"; then
988 AC_MSG_RESULT([yes, found in sys/types.h])
990 AC_EGREP_HEADER(fd_set, sys/select.h, gtk_ok=yes)
991 if test "$gtk_ok" = "yes"; then
992 # *** FIXME: give it a different name
993 AC_DEFINE(HAVE_SYS_SELECT_H,1,[found fd_set in sys/select.h])
994 AC_MSG_RESULT([yes, found in sys/select.h])
996 AC_DEFINE(NO_FD_SET,1,[didn't find fd_set])
1001 dnl *** check for sane realloc() ***
1002 AC_CACHE_CHECK([whether realloc (NULL,) will work],glib_cv_sane_realloc,[
1003 AC_TRY_RUN([#include <stdlib.h>
1005 return realloc (0, sizeof (int)) == 0;
1007 [glib_cv_sane_realloc=yes],
1008 [glib_cv_sane_realloc=no],
1009 [glib_cv_sane_realloc=yes])
1011 if test x$glib_cv_sane_realloc = xyes; then
1012 AC_DEFINE(REALLOC_0_WORKS,1,[whether realloc (NULL,) works])
1015 dnl Check for nl_langinfo and CODESET
1016 AC_CACHE_CHECK([for nl_langinfo (CODESET)],glib_cv_langinfo_codeset,[
1017 AC_TRY_COMPILE([#include <langinfo.h>],
1018 [char *codeset = nl_langinfo (CODESET);],
1019 [glib_cv_langinfo_codeset=yes],
1020 [glib_cv_langinfo_codeset=no])])
1021 if test x$glib_cv_langinfo_codeset = xyes; then
1022 AC_DEFINE(HAVE_CODESET,1,[Have nl_langinfo (CODESET)])
1025 dnl ****************************************
1026 dnl *** posix_memalign ***
1027 dnl ****************************************
1028 AC_MSG_CHECKING(for a compliant posix_memalign() implementation)
1029 AC_CACHE_VAL(glib_cv_compliant_posix_memalign,[
1030 glib_cv_compliant_posix_memalign=0
1031 if test "$ac_cv_func_posix_memalign" = "yes" ; then
1033 #define _XOPEN_SOURCE 600
1034 #include <stdlib.h> /* posix_memalign() should be defined here */
1035 /* some systems break if #include <malloc.h> used */
1036 static void test_memalign (size_t boundary, size_t size) {
1038 if (posix_memalign (&mem, boundary, size) != 0 || !mem)
1044 test_memalign ( 128, 128 - 2 * sizeof (void*));
1045 test_memalign ( 256, 256 - 2 * sizeof (void*));
1046 test_memalign ( 512, 512 - 2 * sizeof (void*));
1047 test_memalign ( 1024, 1024 - 2 * sizeof (void*));
1048 test_memalign ( 2048, 2048 - 2 * sizeof (void*));
1049 test_memalign ( 4096, 4096 - 2 * sizeof (void*));
1050 test_memalign ( 8192, 8192 - 2 * sizeof (void*));
1051 test_memalign (16384, 16384 - 2 * sizeof (void*));
1052 test_memalign (32768, 32768 - 2 * sizeof (void*));
1053 exit (0); /* success */
1056 [glib_cv_compliant_posix_memalign=1], [], [:])
1060 if test "$glib_cv_compliant_posix_memalign" = "1"; then
1062 AC_DEFINE(POSIX_MEMALIGN_WITH_COMPLIANT_ALLOCS, 1, [define if posix_memalign() can allocate any size])
1068 dnl ****************************************
1069 dnl *** strlcpy/strlcat ***
1070 dnl ****************************************
1072 AC_CACHE_CHECK([for OpenBSD strlcpy/strlcat],glib_cv_have_strlcpy,[
1073 AC_TRY_RUN([#include <stdlib.h>
1077 (void) strlcpy (p, "hi", 10);
1078 if (strlcat (p, "bye", 0) != 3)
1081 }], glib_cv_have_strlcpy=yes,
1082 glib_cv_have_strlcpy=no,
1083 glib_cv_have_strlcpy=no)])
1084 if test "$glib_cv_have_strlcpy" = "yes"; then
1085 AC_DEFINE(HAVE_STRLCPY,1,[Have functions strlcpy and strlcat])
1089 dnl **********************
1090 dnl *** va_copy checks ***
1091 dnl **********************
1092 dnl we currently check for all three va_copy possibilities, so we get
1093 dnl all results in config.log for bug reports.
1094 AC_CACHE_CHECK([for an implementation of va_copy()],glib_cv_va_copy,[
1095 AC_LINK_IFELSE([#include <stdarg.h>
1097 void f (int i, ...) {
1098 va_list args1, args2;
1099 va_start (args1, i);
1100 va_copy (args2, args1);
1101 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1103 va_end (args1); va_end (args2);
1109 [glib_cv_va_copy=yes],
1110 [glib_cv_va_copy=no])
1112 AC_CACHE_CHECK([for an implementation of __va_copy()],glib_cv___va_copy,[
1113 AC_LINK_IFELSE([#include <stdarg.h>
1115 void f (int i, ...) {
1116 va_list args1, args2;
1117 va_start (args1, i);
1118 __va_copy (args2, args1);
1119 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1121 va_end (args1); va_end (args2);
1127 [glib_cv___va_copy=yes],
1128 [glib_cv___va_copy=no])
1131 if test "x$glib_cv_va_copy" = "xyes"; then
1132 g_va_copy_func=va_copy
1133 else if test "x$glib_cv___va_copy" = "xyes"; then
1134 g_va_copy_func=__va_copy
1138 if test -n "$g_va_copy_func"; then
1139 AC_DEFINE_UNQUOTED(G_VA_COPY,$g_va_copy_func,[A 'va_copy' style function])
1142 AC_CACHE_CHECK([whether va_lists can be copied by value],glib_cv_va_val_copy,[
1143 AC_TRY_RUN([#include <stdarg.h>
1145 void f (int i, ...) {
1146 va_list args1, args2;
1147 va_start (args1, i);
1149 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1151 va_end (args1); va_end (args2);
1157 [glib_cv_va_val_copy=yes],
1158 [glib_cv_va_val_copy=no],
1159 [glib_cv_va_val_copy=yes])
1162 if test "x$glib_cv_va_val_copy" = "xno"; then
1163 AC_DEFINE(G_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
1166 dnl ***********************
1167 dnl *** g_module checks ***
1168 dnl ***********************
1170 G_MODULE_LIBS_EXTRA=
1171 G_MODULE_PLUGIN_LIBS=
1172 if test x"$glib_native_win32" = xyes; then
1173 dnl No use for this on Win32
1177 G_MODULE_LDFLAGS=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
1179 dnl G_MODULE_IMPL= don't reset, so cmd-line can override
1180 G_MODULE_NEED_USCORE=0
1181 G_MODULE_BROKEN_RTLD_GLOBAL=0
1182 G_MODULE_HAVE_DLERROR=0
1183 dnl *** force native WIN32 shared lib loader
1184 if test -z "$G_MODULE_IMPL"; then
1186 *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;;
1189 dnl *** force native AIX library loader
1190 dnl *** dlopen() filepath must be of the form /path/libname.a(libname.so)
1191 if test -z "$G_MODULE_IMPL"; then
1193 *-*-aix*) G_MODULE_IMPL=G_MODULE_IMPL_AR ;;
1196 dnl *** dlopen() and dlsym() in system libraries
1197 if test -z "$G_MODULE_IMPL"; then
1198 AC_CHECK_FUNC(dlopen,
1199 [AC_CHECK_FUNC(dlsym,
1200 [G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
1203 dnl *** load_image (BeOS)
1204 if test -z "$G_MODULE_IMPL" && test "x$glib_native_beos" = "xyes"; then
1205 AC_CHECK_LIB(root, load_image,
1206 [G_MODULE_LIBS="-lbe -lroot -lglib-2.0 "
1207 G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1208 G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule"
1209 G_MODULE_IMPL=G_MODULE_IMPL_BEOS],
1212 dnl *** NSLinkModule (dyld) in system libraries (Darwin)
1213 if test -z "$G_MODULE_IMPL"; then
1214 AC_CHECK_FUNC(NSLinkModule,
1215 [G_MODULE_IMPL=G_MODULE_IMPL_DYLD
1216 G_MODULE_NEED_USCORE=1],
1219 dnl *** dlopen() and dlsym() in libdl
1220 if test -z "$G_MODULE_IMPL"; then
1221 AC_CHECK_LIB(dl, dlopen,
1222 [AC_CHECK_LIB(dl, dlsym,
1224 G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
1227 dnl *** shl_load() in libdld (HP-UX)
1228 if test -z "$G_MODULE_IMPL"; then
1229 AC_CHECK_LIB(dld, shl_load,
1230 [G_MODULE_LIBS=-ldld
1231 G_MODULE_IMPL=G_MODULE_IMPL_DLD],
1234 dnl *** additional checks for G_MODULE_IMPL_DL
1235 if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
1237 LDFLAGS_orig="$LDFLAGS"
1238 LIBS="$G_MODULE_LIBS $LIBS"
1239 LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
1240 dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
1241 echo "void glib_plugin_test(void) { }" > plugin.c
1242 ${SHELL} ./libtool --mode=compile ${CC} -shared \
1243 -export-dynamic -o plugin.o plugin.c 2>&1 >/dev/null
1244 AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
1245 glib_cv_rtldglobal_broken,[
1249 # define RTLD_GLOBAL 0
1252 # define RTLD_LAZY 0
1254 int glib_plugin_test;
1256 void *handle, *global, *local;
1257 global = &glib_plugin_test;
1258 handle = dlopen ("./.libs/plugin.o", RTLD_GLOBAL | RTLD_LAZY);
1259 if (!handle) return 0;
1260 local = dlsym (handle, "glib_plugin_test");
1261 return global == local;
1263 [glib_cv_rtldglobal_broken=no],
1264 [glib_cv_rtldglobal_broken=yes],
1265 [glib_cv_rtldglobal_broken=no])
1266 rm -f plugin.c plugin.o plugin.lo .libs/plugin.o
1267 rmdir .libs 2>/dev/null
1269 if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
1270 G_MODULE_BROKEN_RTLD_GLOBAL=1
1272 G_MODULE_BROKEN_RTLD_GLOBAL=0
1274 dnl *** check whether we need preceeding underscores
1275 AC_CACHE_CHECK([for preceeding underscore in symbols],
1277 AC_TRY_RUN([#include <dlfcn.h>
1278 int glib_underscore_test (void) { return 42; }
1280 void *f1 = (void*)0, *f2 = (void*)0, *handle;
1281 handle = dlopen ((void*)0, 0);
1283 f1 = dlsym (handle, "glib_underscore_test");
1284 f2 = dlsym (handle, "_glib_underscore_test");
1285 } return (!f2 || f1);
1287 [glib_cv_uscore=yes],
1288 [glib_cv_uscore=no],
1290 rm -f plugin.c plugin.$ac_objext plugin.lo
1292 GLIB_ASSERT_SET(glib_cv_uscore)
1293 if test "x$glib_cv_uscore" = "xyes"; then
1294 G_MODULE_NEED_USCORE=1
1296 G_MODULE_NEED_USCORE=0
1299 LDFLAGS="$LDFLAGS_orig"
1300 dnl *** check for having dlerror()
1301 AC_CHECK_FUNC(dlerror,
1302 [G_MODULE_HAVE_DLERROR=1],
1303 [G_MODULE_HAVE_DLERROR=0])
1306 dnl *** done, have we got an implementation?
1307 if test -z "$G_MODULE_IMPL"; then
1309 G_MODULE_SUPPORTED=false
1311 G_MODULE_SUPPORTED=true
1314 AC_MSG_CHECKING(for the suffix of shared libraries)
1316 shrext_cmds=`./libtool --config | grep '^shrext_cmds='`
1318 module=yes eval std_shrext=$shrext_cmds
1319 # chop the initial dot
1320 glib_gmodule_suffix=`echo $std_shrext | sed 's/^\.//'`
1321 AC_MSG_RESULT(.$glib_gmodule_suffix)
1322 # any reason it may fail?
1323 if test "x$glib_gmodule_suffix" = x; then
1324 AC_MSG_ERROR(Cannot determine shared library suffix from libtool)
1327 AC_SUBST(G_MODULE_SUPPORTED)
1328 AC_SUBST(G_MODULE_IMPL)
1329 AC_SUBST(G_MODULE_LIBS)
1330 AC_SUBST(G_MODULE_LIBS_EXTRA)
1331 AC_SUBST(G_MODULE_PLUGIN_LIBS)
1332 AC_SUBST(G_MODULE_LDFLAGS)
1333 AC_SUBST(G_MODULE_HAVE_DLERROR)
1334 AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
1335 AC_SUBST(G_MODULE_NEED_USCORE)
1336 AC_SUBST(GLIB_DEBUG_FLAGS)
1338 dnl **********************
1339 dnl *** g_spawn checks ***
1340 dnl **********************
1342 AC_MSG_CHECKING(for gspawn implementation)
1345 GSPAWN=gspawn-win32.lo
1351 AC_MSG_RESULT($GSPAWN)
1354 dnl *************************
1355 dnl *** GIOChannel checks ***
1356 dnl *************************
1358 AC_MSG_CHECKING(for GIOChannel implementation)
1370 dnl ****************************************
1371 dnl *** platform dependent source checks ***
1372 dnl ****************************************
1374 AC_MSG_CHECKING(for platform-dependent source)
1376 *-*-cygwin*|*-*-mingw*)
1377 PLATFORMDEP=gwin32.lo
1383 AC_MSG_RESULT($PLATFORMDEP)
1384 AC_SUBST(PLATFORMDEP)
1386 AC_MSG_CHECKING([whether to compile timeloop])
1388 *-*-cygwin*|*-*-mingw*|*-*-minix)
1395 AC_MSG_RESULT($enable_timeloop)
1396 AM_CONDITIONAL(ENABLE_TIMELOOP, test x$enable_timeloop = xyes)
1398 AC_MSG_CHECKING([if building for some Win32 platform])
1400 *-*-mingw*|*-*-cygwin*)
1407 AC_MSG_RESULT($platform_win32)
1408 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
1410 dnl ***********************
1411 dnl *** g_thread checks ***
1412 dnl ***********************
1414 AC_ARG_WITH(threads,
1415 [AC_HELP_STRING([--with-threads=@<:@none/posix/dce/win32@:>@],
1416 [specify a thread implementation to use])],
1417 [if test "x$with_threads" = x; then
1420 want_threads=$with_threads
1423 if test "x$enable_threads" = "xno"; then
1427 dnl error and warning message
1428 dnl *************************
1430 THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
1431 computer. GLib will not have a default thread implementation."
1433 FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
1434 platform (normally it's "_REENTRANT"). I'll not use any flag on
1435 compilation now, but then your programs might not work.
1436 Please provide information on how it is done on your system."
1438 LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
1441 LIBS_NOT_FOUND_2=". Please choose another thread implementation or
1442 provide information on your thread implementation.
1443 You can also run 'configure --disable-threads'
1444 to compile without thread support."
1446 FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
1447 functions will not be MT-safe during their first call because
1448 there is no working 'getpwuid_r' on your system."
1450 FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
1451 because there is no 'localtime_r' on your system."
1453 POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
1454 crude surrogate will be used. If you happen to know a
1455 yield function for your system, please inform the GLib
1458 POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for
1459 threads on your system. Thus threads can only have the default
1460 priority. If you happen to know these main/max
1461 priorities, please inform the GLib developers."
1463 AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when
1464 linking threaded applications. As GLib cannot do that
1465 automatically, you will get an linkg error everytime you are
1466 not using the right compiler. In that case you have to relink
1467 with the right compiler. Ususally just '_r' is appended
1468 to the compiler name."
1470 dnl determination of thread implementation
1471 dnl ***************************************
1473 # have_threads=no means no thread support
1474 # have_threads=none means no default thread implementation
1477 if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
1478 || test "x$want_threads" = xdce; then
1479 # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
1480 # -U_OSF_SOURCE is for Digital UNIX 4.0d
1481 GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
1482 glib_save_CPPFLAGS="$CPPFLAGS"
1483 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1484 if test "x$have_threads" = xno; then
1485 AC_TRY_COMPILE([#include <pthread.h>],
1486 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1489 if test "x$have_threads" = xno; then
1490 AC_TRY_COMPILE([#include <pthread.h>],
1492 pthread_mutex_init (&m, pthread_mutexattr_default);],
1495 # Tru64Unix requires -pthread to find pthread.h. See #103020
1496 CPPFLAGS="$CPPFLAGS -pthread"
1497 if test "x$have_threads" = xno; then
1498 AC_TRY_COMPILE([#include <pthread.h>],
1499 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1502 CPPFLAGS="$glib_save_CPPFLAGS"
1504 if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then
1511 if test "x$want_threads" = xnone; then
1515 AC_MSG_CHECKING(for thread implementation)
1517 if test "x$have_threads" = xno && test "x$want_threads" != xno; then
1518 AC_MSG_RESULT(none available)
1519 AC_MSG_WARN($THREAD_NO_IMPLEMENTATION)
1521 AC_MSG_RESULT($have_threads)
1525 dnl determination of G_THREAD_CFLAGS
1526 dnl ********************************
1529 G_THREAD_LIBS_EXTRA=
1533 dnl Test program for basic POSIX threads functionality
1535 m4_define([glib_thread_test],[
1536 #include <pthread.h>
1538 void* func(void* data) {check_me = 42; return &check_me;}
1542 pthread_create (&t, $1, func, 0);
1543 pthread_join (t, &ret);
1544 return (check_me != 42 || ret != &check_me);
1548 dnl Test program for sched_get_priority_min()
1550 m4_define([glib_sched_priority_test],[
1555 return sched_get_priority_min(SCHED_OTHER)==-1
1559 if test x"$have_threads" != xno; then
1561 if test x"$have_threads" = xposix; then
1562 # First we test for posix, whether -pthread or -pthreads do the trick as
1563 # both CPPFLAG and LIBS.
1564 # One of them does for most gcc versions and some other platforms/compilers
1565 # too and could be considered as the canonical way to go.
1567 *-*-cygwin*|*-*-darwin*)
1568 # skip cygwin and darwin -pthread or -pthreads test
1571 # These compiler/linker flags work with both Sun Studio and gcc
1572 # Sun Studio expands -mt to -D_REENTRANT and -lthread
1573 # gcc expands -pthreads to -D_REENTRANT -D_PTHREADS -lpthread
1574 G_THREAD_CFLAGS="-D_REENTRANT -D_PTHREADS"
1575 G_THREAD_LIBS="-lpthread -lthread"
1578 for flag in pthread pthreads mt; do
1579 glib_save_CFLAGS="$CFLAGS"
1580 CFLAGS="$CFLAGS -$flag"
1581 AC_TRY_RUN(glib_thread_test(0),
1582 glib_flag_works=yes,
1584 [AC_LINK_IFELSE(glib_thread_test(0),
1585 glib_flag_works=yes,
1586 glib_flag_works=no)])
1587 CFLAGS="$glib_save_CFLAGS"
1588 if test $glib_flag_works = yes ; then
1589 G_THREAD_CFLAGS=-$flag
1590 G_THREAD_LIBS=-$flag
1598 if test x"$G_THREAD_CFLAGS" = x; then
1600 # The canonical -pthread[s] does not work. Try something different.
1604 if test x"$GCC" = xyes; then
1605 # GCC 3.0 and above needs -pthread.
1606 # Should be coverd by the case above.
1607 # GCC 2.x and below needs -mthreads
1608 G_THREAD_CFLAGS="-mthreads"
1609 G_THREAD_LIBS=$G_THREAD_CFLAGS
1611 # We are probably using the aix compiler. Normaly a
1612 # program would have to be compiled with the _r variant
1613 # of the corresponding compiler, but we as GLib cannot
1614 # do that: but the good news is that for compiling the
1615 # only difference is the added -D_THREAD_SAFE compile
1616 # option. This is according to the "C for AIX User's
1618 G_THREAD_CFLAGS="-D_THREAD_SAFE"
1622 G_THREAD_CFLAGS="-D_REENTRANT -D_POSIX4A_DRAFT10_SOURCE"
1625 # So we are using dce threads. posix threads are already
1627 G_THREAD_CFLAGS="-threads"
1628 G_THREAD_LIBS=$G_THREAD_CFLAGS
1630 *-sysv5uw7*) # UnixWare 7
1631 # We are not using gcc with -pthread. Catched above.
1632 G_THREAD_CFLAGS="-Kthread"
1633 G_THREAD_LIBS=$G_THREAD_CFLAGS
1636 # No flag needed when using MSVCRT.DLL
1640 G_THREAD_CFLAGS="-D_REENTRANT" # good default guess otherwise
1646 # if we are not finding the localtime_r function, then we probably are
1647 # not using the proper multithread flag
1649 glib_save_CPPFLAGS="$CPPFLAGS"
1650 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1652 # First we test, whether localtime_r is declared in time.h
1653 # directly. Then we test whether a macro localtime_r exists, in
1654 # which case localtime_r in the test program is replaced and thus
1655 # if we still find localtime_r in the output, it is not defined as
1658 AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>], ,
1659 [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>
1661 AC_MSG_WARN($FLAG_DOES_NOT_WORK))])
1663 CPPFLAGS="$glib_save_CPPFLAGS"
1665 AC_MSG_CHECKING(thread related cflags)
1666 AC_MSG_RESULT($G_THREAD_CFLAGS)
1667 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1670 dnl determination of G_THREAD_LIBS
1671 dnl ******************************
1673 mutex_has_default=no
1674 case $have_threads in
1676 glib_save_CPPFLAGS="$CPPFLAGS"
1677 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1678 if test x"$G_THREAD_LIBS" = x; then
1681 # We are not using gcc (would have set G_THREAD_LIBS) and thus
1682 # probably using the aix compiler.
1683 AC_MSG_WARN($AIX_COMPILE_INFO)
1687 glib_save_LIBS="$LIBS"
1688 for thread_lib in "" pthread pthread32 pthreads thread dce; do
1689 if test x"$thread_lib" = x; then
1693 add_thread_lib="-l$thread_lib"
1694 IN=" in -l$thread_lib"
1696 if test x"$have_threads" = xposix; then
1699 defattr=pthread_attr_default
1702 LIBS="$add_thread_lib $glib_save_LIBS"
1704 AC_MSG_CHECKING(for pthread_create/pthread_join$IN)
1705 AC_TRY_RUN(glib_thread_test($defattr),
1708 [AC_LINK_IFELSE(glib_thread_test($defattr),
1711 AC_MSG_RESULT($glib_result)
1713 if test "$glib_result" = "yes" ; then
1714 G_THREAD_LIBS="$add_thread_lib"
1718 if test "x$G_THREAD_LIBS" = xerror; then
1719 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1721 LIBS="$glib_save_LIBS"
1726 glib_save_LIBS="$LIBS"
1727 for thread_lib in "" rt rte; do
1728 if test x"$thread_lib" = x; then
1732 add_thread_lib="-l$thread_lib"
1733 IN=" in -l$thread_lib"
1735 LIBS="$add_thread_lib $glib_save_LIBS"
1737 AC_MSG_CHECKING(for sched_get_priority_min$IN)
1738 AC_TRY_RUN(glib_sched_priority_test,
1741 [AC_LINK_IFELSE(glib_sched_priority_test,
1744 AC_MSG_RESULT($glib_result)
1746 if test "$glib_result" = "yes" ; then
1747 G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
1748 posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
1749 posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
1753 LIBS="$glib_save_LIBS"
1754 mutex_has_default=yes
1755 mutex_default_type='pthread_mutex_t'
1756 mutex_default_init='PTHREAD_MUTEX_INITIALIZER'
1757 mutex_header_file='pthread.h'
1758 if test "x$have_threads" = "xposix"; then
1759 g_threads_impl="POSIX"
1761 g_threads_impl="DCE"
1762 have_threads="posix"
1764 AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
1765 CPPFLAGS="$glib_save_CPPFLAGS"
1768 g_threads_impl="WIN32"
1771 g_threads_impl="NONE"
1774 g_threads_impl="NONE"
1779 if test "x$G_THREAD_LIBS" = xerror; then
1780 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1785 G_THREAD_LIBS="-lbe -lroot -lglib-2.0 "
1786 G_THREAD_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1792 AC_MSG_CHECKING(thread related libraries)
1793 AC_MSG_RESULT($G_THREAD_LIBS)
1795 dnl check for mt safe function variants and some posix functions
1796 dnl ************************************************************
1798 if test x"$have_threads" != xno; then
1799 glib_save_LIBS="$LIBS"
1800 # we are not doing the following for now, as this might require glib
1801 # to always be linked with the thread libs on some platforms.
1802 # LIBS="$LIBS $G_THREAD_LIBS"
1803 AC_CHECK_FUNCS(localtime_r)
1804 if test "$ac_cv_header_pwd_h" = "yes"; then
1805 AC_CACHE_CHECK([for posix getpwuid_r],
1806 ac_cv_func_posix_getpwuid_r,
1812 struct passwd pwd, *pwptr = &pwd;
1815 error = getpwuid_r (0, &pwd, buffer,
1816 sizeof (buffer), &pwptr);
1817 return (error < 0 && errno == ENOSYS)
1820 [ac_cv_func_posix_getpwuid_r=yes],
1821 [ac_cv_func_posix_getpwuid_r=no])])
1822 GLIB_ASSERT_SET(ac_cv_func_posix_getpwuid_r)
1823 if test "$ac_cv_func_posix_getpwuid_r" = yes; then
1824 AC_DEFINE(HAVE_POSIX_GETPWUID_R,1,
1825 [Have POSIX function getpwuid_r])
1827 AC_CACHE_CHECK([for nonposix getpwuid_r],
1828 ac_cv_func_nonposix_getpwuid_r,
1829 [AC_TRY_LINK([#include <pwd.h>],
1830 [char buffer[10000];
1832 getpwuid_r (0, &pwd, buffer,
1834 [ac_cv_func_nonposix_getpwuid_r=yes],
1835 [ac_cv_func_nonposix_getpwuid_r=no])])
1836 GLIB_ASSERT_SET(ac_cv_func_nonposix_getpwuid_r)
1837 if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then
1838 AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1,
1839 [Have non-POSIX function getpwuid_r])
1843 LIBS="$G_THREAD_LIBS $LIBS"
1844 if test x"$have_threads" = xposix; then
1845 glib_save_CPPFLAGS="$CPPFLAGS"
1846 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1847 dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
1848 GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
1849 # This is not AC_CHECK_FUNC to also work with function
1850 # name mangling in header files.
1851 AC_MSG_CHECKING(for pthread_attr_setstacksize)
1852 AC_TRY_LINK([#include <pthread.h>],
1853 [pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
1855 AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
1856 [Have function pthread_attr_setstacksize])],
1857 [AC_MSG_RESULT(no)])
1858 AC_MSG_CHECKING(for minimal/maximal thread priority)
1859 if test x"$posix_priority_min" = x; then
1860 AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
1862 posix_priority_min=PX_PRIO_MIN
1863 posix_priority_max=PX_PRIO_MAX])
1865 if test x"$posix_priority_min" = x; then
1867 AC_EGREP_CPP(PTHREAD_PRIO_MIN,[#include <pthread.h>
1868 PTHREAD_PRIO_MIN],,[
1869 posix_priority_min=PTHREAD_PRIO_MIN
1870 posix_priority_max=PTHREAD_PRIO_MAX])
1872 if test x"$posix_priority_min" = x; then
1873 AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
1875 posix_priority_min=PRI_OTHER_MIN
1876 posix_priority_max=PRI_OTHER_MAX])
1878 if test x"$posix_priority_min" = x; then
1879 AC_MSG_RESULT(none found)
1880 AC_MSG_WARN($POSIX_NO_PRIORITIES)
1881 posix_priority_min=-1
1882 posix_priority_max=-1
1884 AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
1885 AC_MSG_CHECKING(for pthread_setschedparam)
1886 AC_TRY_LINK([#include <pthread.h>],
1887 [pthread_t t; pthread_setschedparam(t, 0, NULL)],
1889 AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
1890 AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])],
1892 AC_MSG_WARN($POSIX_NO_PRIORITIES)])
1894 posix_yield_func=none
1895 AC_MSG_CHECKING(for posix yield function)
1896 for yield_func in sched_yield pthread_yield_np pthread_yield \
1898 AC_TRY_LINK([#include <pthread.h>],
1900 [posix_yield_func="$yield_func"
1903 if test x"$posix_yield_func" = xnone; then
1904 AC_MSG_RESULT(none found)
1905 AC_MSG_WARN($POSIX_NO_YIELD)
1906 posix_yield_func="g_usleep(1000)"
1908 AC_MSG_RESULT($posix_yield_func)
1909 posix_yield_func="$posix_yield_func()"
1911 AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
1912 CPPFLAGS="$glib_save_CPPFLAGS"
1914 elif test x"$have_threads" = xwin32; then
1915 # It's a pointer to a private struct
1916 GLIB_SIZEOF(,struct _GThreadData *, system_thread)
1919 LIBS="$glib_save_LIBS"
1921 # now spit out all the warnings.
1922 if test "$ac_cv_func_posix_getpwuid_r" != "yes" &&
1923 test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then
1924 AC_MSG_WARN($FUNC_NO_GETPWUID_R)
1926 if test "$ac_cv_func_localtime_r" != "yes"; then
1927 AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
1931 if test x"$glib_cv_sizeof_system_thread" = x; then
1932 # use a pointer as a fallback.
1933 GLIB_SIZEOF(,void *, system_thread)
1937 # Hack to deal with:
1939 # a) GCC < 3.3 for Linux doesn't include -lpthread when
1940 # building shared libraries with linux.
1944 G_THREAD_LIBS_FOR_GTHREAD="`echo $G_THREAD_LIBS | sed s/-pthread/-lpthread/`"
1947 G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS"
1951 AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c",
1952 [Source file containing theread implementation])
1953 AC_SUBST(G_THREAD_CFLAGS)
1954 AC_SUBST(G_THREAD_LIBS)
1955 AC_SUBST(G_THREAD_LIBS_FOR_GTHREAD)
1956 AC_SUBST(G_THREAD_LIBS_EXTRA)
1958 dnl **********************************************
1959 dnl *** GDefaultMutex setup and initialization ***
1960 dnl **********************************************
1962 dnl if mutex_has_default = yes, we also got
1963 dnl mutex_default_type, mutex_default_init and mutex_header_file
1964 if test $mutex_has_default = yes ; then
1965 glib_save_CPPFLAGS="$CPPFLAGS"
1966 glib_save_LIBS="$LIBS"
1967 LIBS="$G_THREAD_LIBS $LIBS"
1968 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1969 GLIB_SIZEOF([#include <$mutex_header_file>],
1970 $mutex_default_type,
1972 GLIB_BYTE_CONTENTS([#include <$mutex_header_file>],
1973 $mutex_default_type,
1975 $glib_cv_sizeof_gmutex,
1976 $mutex_default_init)
1977 if test x"$glib_cv_byte_contents_gmutex" = xno; then
1978 mutex_has_default=no
1980 CPPFLAGS="$glib_save_CPPFLAGS"
1981 LIBS="$glib_save_LIBS"
1984 AC_CHECK_FUNCS(clock_gettime, [], [
1985 AC_CHECK_LIB(rt, clock_gettime, [
1986 AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
1987 G_THREAD_LIBS="$G_THREAD_LIBS -lrt"
1988 G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS_FOR_GTHREAD -lrt"
1992 AC_CACHE_CHECK(for monotonic clocks,
1993 glib_cv_monotonic_clock,AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
1997 #if !(defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 && defined(CLOCK_MONOTONIC))
1998 #error No monotonic clock
2002 ]])],glib_cv_monotonic_clock=yes,glib_cv_monotonic_clock=no))
2003 if test "$glib_cv_monotonic_clock" = "yes"; then
2004 AC_DEFINE(HAVE_MONOTONIC_CLOCK,1,[Have a monotonic clock])
2008 dnl ********************************
2009 dnl *** g_atomic_* tests for gcc ***
2010 dnl ********************************
2012 AC_MSG_CHECKING([whether to use assembler code for atomic operations])
2014 if test x"$GCC" = xyes; then
2017 AC_MSG_RESULT([none])
2018 glib_memory_barrier_needed=no
2021 AC_MSG_RESULT([i486])
2022 AC_DEFINE_UNQUOTED(G_ATOMIC_I486, 1,
2023 [i486 atomic implementation])
2024 glib_memory_barrier_needed=no
2027 SPARCV9_WARNING="Try to rerun configure with CFLAGS='-mcpu=v9',
2028 when you are using a sparc with v9 instruction set (most
2029 sparcs nowadays). This will make the code for atomic
2030 operations much faster. The resulting code will not run
2031 on very old sparcs though."
2036 int tmp1, tmp2, tmp3;
2037 __asm__ __volatile__("casx [%2], %0, %1"
2038 : "=&r" (tmp1), "=&r" (tmp2) : "r" (&tmp3));
2040 AC_MSG_RESULT([sparcv9])
2041 AC_DEFINE_UNQUOTED(G_ATOMIC_SPARCV9, 1,
2042 [sparcv9 atomic implementation]),
2044 AC_MSG_WARN([[$SPARCV9_WARNING]]))
2045 glib_memory_barrier_needed=yes
2048 AC_MSG_RESULT([alpha])
2049 AC_DEFINE_UNQUOTED(G_ATOMIC_ALPHA, 1,
2050 [alpha atomic implementation])
2051 glib_memory_barrier_needed=yes
2054 AC_MSG_RESULT([x86_64])
2055 AC_DEFINE_UNQUOTED(G_ATOMIC_X86_64, 1,
2056 [x86_64 atomic implementation])
2057 glib_memory_barrier_needed=no
2060 AC_MSG_RESULT([powerpc])
2061 AC_DEFINE_UNQUOTED(G_ATOMIC_POWERPC, 1,
2062 [powerpc atomic implementation])
2063 glib_memory_barrier_needed=yes
2066 AC_MSG_RESULT([ia64])
2067 AC_DEFINE_UNQUOTED(G_ATOMIC_IA64, 1,
2068 [ia64 atomic implementation])
2069 glib_memory_barrier_needed=yes
2072 AC_MSG_RESULT([s390])
2073 AC_DEFINE_UNQUOTED(G_ATOMIC_S390, 1,
2074 [s390 atomic implementation])
2075 glib_memory_barrier_needed=no
2078 AC_MSG_RESULT([none])
2079 glib_memory_barrier_needed=yes
2084 dnl ****************************************
2085 dnl *** GLib POLL* compatibility defines ***
2086 dnl ****************************************
2088 glib_poll_includes=["
2089 #include <sys/types.h>
2090 #include <sys/poll.h>
2093 if test $ac_cv_header_sys_types_h = yes &&
2094 test $ac_cv_header_sys_poll_h = yes ; then
2096 GLIB_CHECK_VALUE(POLLIN, $glib_poll_includes, glib_failed=true)
2097 GLIB_CHECK_VALUE(POLLOUT, $glib_poll_includes, glib_failed=true)
2098 GLIB_CHECK_VALUE(POLLPRI, $glib_poll_includes, glib_failed=true)
2099 GLIB_CHECK_VALUE(POLLERR, $glib_poll_includes, glib_failed=true)
2100 GLIB_CHECK_VALUE(POLLHUP, $glib_poll_includes, glib_failed=true)
2101 GLIB_CHECK_VALUE(POLLNVAL, $glib_poll_includes, glib_failed=true)
2102 if $glib_failed ; then
2103 AC_MSG_ERROR([Could not determine values for POLL* constants])
2106 glib_cv_value_POLLIN=1
2107 glib_cv_value_POLLOUT=4
2108 glib_cv_value_POLLPRI=2
2109 glib_cv_value_POLLERR=8
2110 glib_cv_value_POLLHUP=16
2111 glib_cv_value_POLLNVAL=32
2114 AC_MSG_CHECKING([for broken poll])
2115 AC_RUN_IFELSE([AC_LANG_SOURCE([[
2119 #ifdef HAVE_SYS_POLL_H
2120 #include <sys/poll.h>
2123 struct pollfd fds[1];
2125 fd = open("/dev/null", 1);
2127 fds[0].events = POLLIN;
2129 if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
2130 exit(1); /* Does not work for devices -- fail */
2136 AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
2137 [broken_poll="no (cross compiling)"])
2138 AC_MSG_RESULT($broken_poll)
2140 dnl **********************
2141 dnl *** Win32 API libs ***
2142 dnl **********************
2146 G_LIBS_EXTRA="-luser32 -lkernel32"
2149 G_LIBS_EXTRA="-lws2_32 -lole32"
2155 AC_SUBST(G_LIBS_EXTRA)
2157 dnl If the system doesn't define EILSEQ, we should define EILSEQ ourselves
2158 dnl since we need it for g_iconv()
2160 AC_MSG_CHECKING([for EILSEQ])
2166 ], have_eilseq=yes, have_eilseq=no);
2167 AC_MSG_RESULT($have_eilseq)
2169 dnl ******************************************************************
2170 dnl *** Look for glib-genmarshal in PATH if we are cross-compiling ***
2171 dnl ******************************************************************
2173 AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
2175 if test $cross_compiling = yes; then
2176 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal, no)
2177 if test x$GLIB_GENMARSHAL = xno; then
2178 AC_MSG_ERROR(Could not find a glib-genmarshal in your PATH)
2182 dnl **************************
2183 dnl *** Checks for gtk-doc ***
2184 dnl **************************
2186 GTK_DOC_CHECK([1.4])
2189 [AC_HELP_STRING([--enable-man],
2190 [regenerate man pages from Docbook [default=no]])],enable_man=yes,
2193 if test "${enable_man}" != no; then
2195 dnl Check for xsltproc
2197 AC_PATH_PROG([XSLTPROC], [xsltproc])
2198 if test -z "$XSLTPROC"; then
2202 dnl check for DocBook DTD and stylesheets in the local catalog.
2203 JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
2204 [DocBook XML DTD V4.1.2],,enable_man=no)
2205 JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
2206 [DocBook XSL Stylesheets],,enable_man=no)
2209 AM_CONDITIONAL(ENABLE_MAN, test x$enable_man != xno)
2211 dnl ******************************
2212 dnl *** output the whole stuff ***
2213 dnl ******************************
2215 dnl this section will only be run if config.status is invoked with no
2216 dnl arguments, or with "glibconfig.h" as an argument.
2217 AC_CONFIG_COMMANDS([glibconfig.h],
2219 outfile=glibconfig.h-tmp
2220 cat > $outfile <<\_______EOF
2223 * This is a generated file. Please modify 'configure.in'
2226 #ifndef __G_LIBCONFIG_H__
2227 #define __G_LIBCONFIG_H__
2229 #include <glib/gmacros.h>
2233 if test x$glib_limits_h = xyes; then
2234 echo '#include <limits.h>' >> $outfile
2236 if test x$glib_float_h = xyes; then
2237 echo '#include <float.h>' >> $outfile
2239 if test x$glib_values_h = xyes; then
2240 echo '#include <values.h>' >> $outfile
2242 if test "$glib_header_alloca_h" = "yes"; then
2243 echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile
2245 if test x$glib_sys_poll_h = xyes; then
2246 echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile
2249 cat >> $outfile <<_______EOF
2253 #define G_MINFLOAT $glib_mf
2254 #define G_MAXFLOAT $glib_Mf
2255 #define G_MINDOUBLE $glib_md
2256 #define G_MAXDOUBLE $glib_Md
2257 #define G_MINSHORT $glib_ms
2258 #define G_MAXSHORT $glib_Ms
2259 #define G_MAXUSHORT $glib_Mus
2260 #define G_MININT $glib_mi
2261 #define G_MAXINT $glib_Mi
2262 #define G_MAXUINT $glib_Mui
2263 #define G_MINLONG $glib_ml
2264 #define G_MAXLONG $glib_Ml
2265 #define G_MAXULONG $glib_Mul
2270 ### this should always be true in a modern C/C++ compiler
2271 cat >>$outfile <<_______EOF
2272 typedef signed char gint8;
2273 typedef unsigned char guint8;
2277 if test -n "$gint16"; then
2278 cat >>$outfile <<_______EOF
2279 typedef signed $gint16 gint16;
2280 typedef unsigned $gint16 guint16;
2281 #define G_GINT16_MODIFIER $gint16_modifier
2282 #define G_GINT16_FORMAT $gint16_format
2283 #define G_GUINT16_FORMAT $guint16_format
2288 if test -n "$gint32"; then
2289 cat >>$outfile <<_______EOF
2290 typedef signed $gint32 gint32;
2291 typedef unsigned $gint32 guint32;
2292 #define G_GINT32_MODIFIER $gint32_modifier
2293 #define G_GINT32_FORMAT $gint32_format
2294 #define G_GUINT32_FORMAT $guint32_format
2298 cat >>$outfile <<_______EOF
2299 #define G_HAVE_GINT64 1 /* deprecated, always true */
2301 ${glib_extension}typedef signed $gint64 gint64;
2302 ${glib_extension}typedef unsigned $gint64 guint64;
2304 #define G_GINT64_CONSTANT(val) $gint64_constant
2305 #define G_GUINT64_CONSTANT(val) $guint64_constant
2308 if test x$gint64_format != x ; then
2309 cat >>$outfile <<_______EOF
2310 #define G_GINT64_MODIFIER $gint64_modifier
2311 #define G_GINT64_FORMAT $gint64_format
2312 #define G_GUINT64_FORMAT $guint64_format
2315 cat >>$outfile <<_______EOF
2316 #undef G_GINT64_MODIFIER
2317 #undef G_GINT64_FORMAT
2318 #undef G_GUINT64_FORMAT
2322 cat >>$outfile <<_______EOF
2324 #define GLIB_SIZEOF_VOID_P $glib_void_p
2325 #define GLIB_SIZEOF_LONG $glib_long
2326 #define GLIB_SIZEOF_SIZE_T $glib_size_t
2330 cat >>$outfile <<_______EOF
2331 typedef signed $glib_size_type_define gssize;
2332 typedef unsigned $glib_size_type_define gsize;
2333 #define G_GSIZE_MODIFIER $gsize_modifier
2334 #define G_GSSIZE_FORMAT $gssize_format
2335 #define G_GSIZE_FORMAT $gsize_format
2337 #define G_MAXSIZE G_MAXU$glib_msize_type
2340 if test -z "$glib_unknown_void_p"; then
2341 cat >>$outfile <<_______EOF
2343 #define GPOINTER_TO_INT(p) ((gint) ${glib_gpi_cast} (p))
2344 #define GPOINTER_TO_UINT(p) ((guint) ${glib_gpui_cast} (p))
2346 #define GINT_TO_POINTER(i) ((gpointer) ${glib_gpi_cast} (i))
2347 #define GUINT_TO_POINTER(u) ((gpointer) ${glib_gpui_cast} (u))
2350 echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
2355 cat >>$outfile <<_______EOF
2364 #define G_HAVE_INLINE 1
2365 #else /* !__cplusplus */
2367 #endif /* !__cplusplus */
2370 #define G_CAN_INLINE 1
2373 if test x$g_can_inline = xyes ; then
2374 cat >>$outfile <<_______EOF
2375 #else /* !__cplusplus */
2376 #define G_CAN_INLINE 1
2380 cat >>$outfile <<_______EOF
2385 if test x$g_have_iso_c_varargs = xyes ; then
2386 cat >>$outfile <<_______EOF
2388 # define G_HAVE_ISO_VARARGS 1
2392 if test x$g_have_iso_cxx_varargs = xyes ; then
2393 cat >>$outfile <<_______EOF
2395 # define G_HAVE_ISO_VARARGS 1
2399 if test x$g_have_gnuc_varargs = xyes ; then
2400 cat >>$outfile <<_______EOF
2402 /* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
2403 * is passed ISO vararg support is turned off, and there is no work
2404 * around to turn it on, so we unconditionally turn it off.
2406 #if __GNUC__ == 2 && __GNUC_MINOR__ == 95
2407 # undef G_HAVE_ISO_VARARGS
2410 #define G_HAVE_GNUC_VARARGS 1
2414 case x$g_stack_grows in
2415 xyes) echo "#define G_HAVE_GROWING_STACK 1" >>$outfile ;;
2416 *) echo "#define G_HAVE_GROWING_STACK 0" >>$outfile ;;
2421 if test x$g_have_eilseq = xno; then
2422 cat >>$outfile <<_______EOF
2424 /* On some systems, like SunOS and NetBSD, EILSEQ is not defined.
2425 * The correspondence between this and the corresponding definition
2426 * in libiconv is essential.
2428 # define EILSEQ ENOENT
2434 if test x$g_have_gnuc_visibility = xyes ; then
2435 cat >>$outfile <<_______EOF
2436 #if __GNUC__ == 2 && __GNUC_MINOR__ == 95
2437 #define G_GNUC_INTERNAL
2439 #define G_HAVE_GNUC_VISIBILITY 1
2440 #define G_GNUC_INTERNAL __attribute__((visibility("hidden")))
2444 cat >>$outfile <<_______EOF
2445 #define G_GNUC_INTERNAL
2451 if test x$g_mutex_has_default = xyes; then
2452 cat >>$outfile <<_______EOF
2453 $g_enable_threads_def G_THREADS_ENABLED
2454 #define G_THREADS_IMPL_$g_threads_impl_def
2455 typedef struct _GStaticMutex GStaticMutex;
2456 struct _GStaticMutex
2458 struct _GMutex *runtime_mutex;
2460 char pad[[$g_mutex_sizeof]];
2461 double dummy_double;
2462 void *dummy_pointer;
2466 #define G_STATIC_MUTEX_INIT { NULL, { { $g_mutex_contents} } }
2467 #define g_static_mutex_get_mutex(mutex) \\
2468 (g_thread_use_default_impl ? ((GMutex*) ((mutex)->static_mutex.pad)) : \\
2469 g_static_mutex_get_mutex_impl_shortcut (&((mutex)->runtime_mutex)))
2472 cat >>$outfile <<_______EOF
2473 $g_enable_threads_def G_THREADS_ENABLED
2474 #define G_THREADS_IMPL_$g_threads_impl_def
2475 typedef struct _GMutex* GStaticMutex;
2476 #define G_STATIC_MUTEX_INIT NULL
2477 #define g_static_mutex_get_mutex(mutex) \\
2478 (g_static_mutex_get_mutex_impl_shortcut (mutex))
2482 cat >>$outfile <<_______EOF
2483 /* This represents a system thread as used by the implementation. An
2484 * alien implementaion, as loaded by g_thread_init can only count on
2485 * "sizeof (gpointer)" bytes to store their info. We however need more
2486 * for some of our native implementations. */
2487 typedef union _GSystemThread GSystemThread;
2488 union _GSystemThread
2490 char data[[$g_system_thread_sizeof]];
2491 double dummy_double;
2492 void *dummy_pointer;
2496 if test x"$g_memory_barrier_needed" != xno; then
2498 echo "#define G_ATOMIC_OP_MEMORY_BARRIER_NEEDED 1" >>$outfile
2502 g_bit_sizes="16 32 64"
2503 for bits in $g_bit_sizes; do
2504 cat >>$outfile <<_______EOF
2505 #define GINT${bits}_TO_${g_bs_native}(val) ((gint${bits}) (val))
2506 #define GUINT${bits}_TO_${g_bs_native}(val) ((guint${bits}) (val))
2507 #define GINT${bits}_TO_${g_bs_alien}(val) ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val))
2508 #define GUINT${bits}_TO_${g_bs_alien}(val) (GUINT${bits}_SWAP_LE_BE (val))
2512 cat >>$outfile <<_______EOF
2513 #define GLONG_TO_LE(val) ((glong) GINT${glongbits}_TO_LE (val))
2514 #define GULONG_TO_LE(val) ((gulong) GUINT${glongbits}_TO_LE (val))
2515 #define GLONG_TO_BE(val) ((glong) GINT${glongbits}_TO_BE (val))
2516 #define GULONG_TO_BE(val) ((gulong) GUINT${glongbits}_TO_BE (val))
2517 #define GINT_TO_LE(val) ((gint) GINT${gintbits}_TO_LE (val))
2518 #define GUINT_TO_LE(val) ((guint) GUINT${gintbits}_TO_LE (val))
2519 #define GINT_TO_BE(val) ((gint) GINT${gintbits}_TO_BE (val))
2520 #define GUINT_TO_BE(val) ((guint) GUINT${gintbits}_TO_BE (val))
2521 #define G_BYTE_ORDER $g_byte_order
2523 #define GLIB_SYSDEF_POLLIN =$g_pollin
2524 #define GLIB_SYSDEF_POLLOUT =$g_pollout
2525 #define GLIB_SYSDEF_POLLPRI =$g_pollpri
2526 #define GLIB_SYSDEF_POLLHUP =$g_pollhup
2527 #define GLIB_SYSDEF_POLLERR =$g_pollerr
2528 #define GLIB_SYSDEF_POLLNVAL =$g_pollnval
2530 #define G_MODULE_SUFFIX "$g_module_suffix"
2532 typedef $g_pid_type GPid;
2536 #endif /* GLIBCONFIG_H */
2540 if cmp -s $outfile glibconfig.h; then
2541 AC_MSG_NOTICE([glibconfig.h is unchanged])
2544 mv $outfile glibconfig.h
2548 # Note that if two cases are the same, case goes with the first one.
2549 # Note also that this is inside an AC_OUTPUT_COMMAND. We do not depend
2550 # on variable expansion in case labels. Look at the generated config.status
2553 if test "x${ac_cv_working_alloca_h+set}" = xset ; then
2554 glib_header_alloca_h="$ac_cv_working_alloca_h"
2556 glib_header_alloca_h="$ac_cv_header_alloca_h"
2560 x$ac_cv_header_float_h)
2562 glib_mf=FLT_MIN glib_Mf=FLT_MAX
2563 glib_md=DBL_MIN glib_Md=DBL_MAX
2565 x$ac_cv_header_values_h)
2567 glib_mf=MINFLOAT glib_Mf=MAXFLOAT
2568 glib_md=MINDOUBLE glib_Md=MAXDOUBLE
2573 x$ac_cv_header_limits_h)
2575 glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX
2576 glib_mi=INT_MIN glib_Mi=INT_MAX glib_Mui=UINT_MAX
2577 glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX
2579 x$ac_cv_header_values_h)
2581 glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)"
2582 glib_mi=MININT glib_Mi=MAXINT glib_Mui="(((guint)G_MAXINT)*2+1)"
2583 glib_ml=MINLONG glib_Ml=MAXLONG glib_Mul="(((gulong)G_MAXLONG)*2+1)"
2587 if test x$ac_cv_header_sys_poll_h = xyes ; then
2592 $ac_cv_sizeof_short)
2594 gint16_modifier='"h"'
2595 gint16_format='"hi"'
2596 guint16_format='"hu"'
2600 gint16_modifier='""'
2602 guint16_format='"u"'
2606 $ac_cv_sizeof_short)
2608 gint32_modifier='"h"'
2609 gint32_format='"hi"'
2610 guint32_format='"hu"'
2614 gint32_modifier='""'
2616 guint32_format='"u"'
2620 gint32_modifier='"l"'
2621 gint32_format='"li"'
2622 guint32_format='"lu"'
2628 gint64_modifier='""'
2630 guint64_format='"u"'
2632 gint64_constant='(val)'
2633 guint64_constant='(val)'
2637 gint64_modifier='"l"'
2638 gint64_format='"li"'
2639 guint64_format='"lu"'
2641 gint64_constant='(val##L)'
2642 guint64_constant='(val##UL)'
2644 $ac_cv_sizeof_long_long)
2646 if test -n "$glib_cv_long_long_format"; then
2647 gint64_modifier='"'$glib_cv_long_long_format'"'
2648 gint64_format='"'$glib_cv_long_long_format'i"'
2649 guint64_format='"'$glib_cv_long_long_format'u"'
2651 glib_extension='G_GNUC_EXTENSION '
2652 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
2653 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
2655 $ac_cv_sizeof___int64)
2657 if test -n "$glib_cv_long_long_format"; then
2658 gint64_modifier='"'$glib_cv_long_long_format'"'
2659 gint64_format='"'$glib_cv_long_long_format'i"'
2660 guint64_format='"'$glib_cv_long_long_format'u"'
2663 gint64_constant='(val##i64)'
2664 guint64_constant='(val##ui64)'
2667 glib_size_t=$ac_cv_sizeof_size_t
2668 glib_size_type_define=$glib_size_type
2669 glib_void_p=$ac_cv_sizeof_long
2670 glib_long=$ac_cv_sizeof_void_p
2672 case $glib_size_type in
2674 gsize_modifier='"h"'
2676 gssize_format='"hi"'
2677 glib_msize_type='SHRT'
2683 glib_msize_type='INT'
2686 gsize_modifier='"l"'
2688 gssize_format='"li"'
2689 glib_msize_type='LONG'
2693 gintbits=`expr $ac_cv_sizeof_int \* 8`
2694 glongbits=`expr $ac_cv_sizeof_long \* 8`
2697 case $ac_cv_sizeof_void_p in
2698 $ac_cv_sizeof_int) glib_gpi_cast='' glib_gpui_cast='' ;;
2699 $ac_cv_sizeof_long) glib_gpi_cast='(glong)' glib_gpui_cast='(gulong)' ;;
2700 *) glib_unknown_void_p=yes ;;
2705 x$ac_cv_func_atexit)
2707 #ifdef NeXT /* @#%@! NeXTStep */
2708 # define g_ATEXIT(proc) (!atexit (proc))
2710 # define g_ATEXIT(proc) (atexit (proc))
2713 x$ac_cv_func_on_exit)
2715 #define g_ATEXIT(proc) (on_exit ((void (*)(int, void*))(proc), NULL))"
2720 x$ac_cv_func_memmove)
2722 #define g_memmove(dest,src,len) G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END'
2724 x$glib_cv_working_bcopy)
2726 /* memmove isn't available, but bcopy can copy overlapping memory regions */
2727 #define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END"
2731 /* memmove isn't found and bcopy can't copy overlapping memory regions,
2732 * so we have to roll our own copy routine. */
2733 void g_memmove (void* dest, const void * src, unsigned long len);"
2738 #define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION
2739 #define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION
2740 #define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION
2744 x$glib_cv_va_copy) glib_vacopy='#define G_VA_COPY va_copy' ;;
2745 x$glib_cv___va_copy) glib_vacopy='#define G_VA_COPY __va_copy' ;;
2749 if test x$glib_cv_va_val_copy = xno; then
2750 glib_vacopy="\$glib_vacopy
2751 #define G_VA_COPY_AS_ARRAY 1"
2754 if test x$glib_cv_hasinline = xyes; then
2755 glib_inline='#define G_HAVE_INLINE 1'
2757 if test x$glib_cv_has__inline = xyes; then
2758 glib_inline="\$glib_inline
2759 #define G_HAVE___INLINE 1"
2761 if test x$glib_cv_has__inline__ = xyes; then
2762 glib_inline="\$glib_inline
2763 #define G_HAVE___INLINE__ 1"
2766 g_have_gnuc_varargs=$g_have_gnuc_varargs
2767 g_have_iso_c_varargs=$g_have_iso_c_varargs
2768 g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs
2770 g_can_inline=$g_can_inline
2771 g_have_gnuc_visibility=$g_have_gnuc_visibility
2774 x$ac_cv_c_bigendian)
2775 g_byte_order=G_BIG_ENDIAN
2780 g_byte_order=G_LITTLE_ENDIAN
2786 g_pollin=$glib_cv_value_POLLIN
2787 g_pollout=$glib_cv_value_POLLOUT
2788 g_pollpri=$glib_cv_value_POLLPRI
2789 g_pollhup=$glib_cv_value_POLLHUP
2790 g_pollerr=$glib_cv_value_POLLERR
2791 g_pollnval=$glib_cv_value_POLLNVAL
2793 g_stack_grows=$glib_cv_stack_grows
2795 g_have_eilseq=$have_eilseq
2797 case x$have_threads in
2798 xno) g_enable_threads_def="#undef";;
2799 *) g_enable_threads_def="#define";;
2802 g_threads_impl_def=$g_threads_impl
2804 g_mutex_has_default="$mutex_has_default"
2805 g_mutex_sizeof="$glib_cv_sizeof_gmutex"
2806 g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
2807 g_mutex_contents="$glib_cv_byte_contents_gmutex"
2809 g_memory_barrier_needed="$glib_memory_barrier_needed"
2811 g_module_suffix="$glib_gmodule_suffix"
2813 g_pid_type="$glib_pid_type"
2816 glib_os="#define G_OS_BEOS"
2819 glib_os="#define G_OS_UNIX
2820 #define G_PLATFORM_WIN32
2821 #define G_WITH_CYGWIN"
2824 glib_os="#define G_OS_WIN32
2825 #define G_PLATFORM_WIN32"
2828 glib_os="#define G_OS_UNIX"
2835 glib-2.0-uninstalled.pc
2837 gmodule-export-2.0.pc
2838 gmodule-no-export-2.0.pc
2839 gmodule-2.0-uninstalled.pc
2840 gmodule-no-export-2.0-uninstalled.pc
2842 gthread-2.0-uninstalled.pc
2844 gobject-2.0-uninstalled.pc
2849 glib/libcharset/Makefile
2850 glib/gnulib/Makefile
2852 gmodule/gmoduleconf.h
2854 gobject/glib-mkenums
2858 docs/reference/Makefile
2859 docs/reference/glib/Makefile
2860 docs/reference/glib/version.xml
2861 docs/reference/gobject/Makefile
2862 docs/reference/gobject/version.xml
2864 tests/gobject/Makefile
2865 tests/refcount/Makefile
2869 AC_CONFIG_COMMANDS([chmod-scripts],
2870 [chmod 0755 glib-zip
2871 chmod 0755 glib-gettextize
2872 chmod 0755 gobject/glib-mkenums])
2874 # we want to invoke this macro solely so that the config.status script
2875 # and automake generated makefiles know about these generated files.
2876 # They are only needed to distcheck the package
2885 gmodule/makefile.msc
2887 gobject/makefile.msc
2889 gthread/makefile.msc