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
1176 G_MODULE_LDFLAGS=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
1178 dnl G_MODULE_IMPL= don't reset, so cmd-line can override
1179 G_MODULE_NEED_USCORE=0
1180 G_MODULE_BROKEN_RTLD_GLOBAL=0
1181 G_MODULE_HAVE_DLERROR=0
1182 dnl *** force native WIN32 shared lib loader
1183 if test -z "$G_MODULE_IMPL"; then
1185 *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;;
1188 dnl *** force native AIX library loader
1189 dnl *** dlopen() filepath must be of the form /path/libname.a(libname.so)
1190 if test -z "$G_MODULE_IMPL"; then
1192 *-*-aix*) G_MODULE_IMPL=G_MODULE_IMPL_AR ;;
1195 dnl *** dlopen() and dlsym() in system libraries
1196 if test -z "$G_MODULE_IMPL"; then
1197 AC_CHECK_FUNC(dlopen,
1198 [AC_CHECK_FUNC(dlsym,
1199 [G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
1202 dnl *** load_image (BeOS)
1203 if test -z "$G_MODULE_IMPL" && test "x$glib_native_beos" = "xyes"; then
1204 AC_CHECK_LIB(root, load_image,
1205 [G_MODULE_LIBS="-lbe -lroot -lglib-2.0 "
1206 G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1207 G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule"
1208 G_MODULE_IMPL=G_MODULE_IMPL_BEOS],
1211 dnl *** NSLinkModule (dyld) in system libraries (Darwin)
1212 if test -z "$G_MODULE_IMPL"; then
1213 AC_CHECK_FUNC(NSLinkModule,
1214 [G_MODULE_IMPL=G_MODULE_IMPL_DYLD
1215 G_MODULE_NEED_USCORE=1],
1218 dnl *** dlopen() and dlsym() in libdl
1219 if test -z "$G_MODULE_IMPL"; then
1220 AC_CHECK_LIB(dl, dlopen,
1221 [AC_CHECK_LIB(dl, dlsym,
1223 G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
1226 dnl *** shl_load() in libdld (HP-UX)
1227 if test -z "$G_MODULE_IMPL"; then
1228 AC_CHECK_LIB(dld, shl_load,
1229 [G_MODULE_LIBS=-ldld
1230 G_MODULE_IMPL=G_MODULE_IMPL_DLD],
1233 dnl *** additional checks for G_MODULE_IMPL_DL
1234 if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
1236 LDFLAGS_orig="$LDFLAGS"
1237 LIBS="$G_MODULE_LIBS $LIBS"
1238 LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
1239 dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
1240 echo "void glib_plugin_test(void) { }" > plugin.c
1241 ${SHELL} ./libtool --mode=compile ${CC} -shared \
1242 -export-dynamic -o plugin.o plugin.c 2>&1 >/dev/null
1243 AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
1244 glib_cv_rtldglobal_broken,[
1248 # define RTLD_GLOBAL 0
1251 # define RTLD_LAZY 0
1253 int glib_plugin_test;
1255 void *handle, *global, *local;
1256 global = &glib_plugin_test;
1257 handle = dlopen ("./.libs/plugin.o", RTLD_GLOBAL | RTLD_LAZY);
1258 if (!handle) return 0;
1259 local = dlsym (handle, "glib_plugin_test");
1260 return global == local;
1262 [glib_cv_rtldglobal_broken=no],
1263 [glib_cv_rtldglobal_broken=yes],
1264 [glib_cv_rtldglobal_broken=no])
1265 rm -f plugin.c plugin.o plugin.lo .libs/plugin.o
1266 rmdir .libs 2>/dev/null
1268 if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
1269 G_MODULE_BROKEN_RTLD_GLOBAL=1
1271 G_MODULE_BROKEN_RTLD_GLOBAL=0
1273 dnl *** check whether we need preceeding underscores
1274 AC_CACHE_CHECK([for preceeding underscore in symbols],
1276 AC_TRY_RUN([#include <dlfcn.h>
1277 int glib_underscore_test (void) { return 42; }
1279 void *f1 = (void*)0, *f2 = (void*)0, *handle;
1280 handle = dlopen ((void*)0, 0);
1282 f1 = dlsym (handle, "glib_underscore_test");
1283 f2 = dlsym (handle, "_glib_underscore_test");
1284 } return (!f2 || f1);
1286 [glib_cv_uscore=yes],
1287 [glib_cv_uscore=no],
1289 rm -f plugin.c plugin.$ac_objext plugin.lo
1291 GLIB_ASSERT_SET(glib_cv_uscore)
1292 if test "x$glib_cv_uscore" = "xyes"; then
1293 G_MODULE_NEED_USCORE=1
1295 G_MODULE_NEED_USCORE=0
1298 LDFLAGS="$LDFLAGS_orig"
1299 dnl *** check for having dlerror()
1300 AC_CHECK_FUNC(dlerror,
1301 [G_MODULE_HAVE_DLERROR=1],
1302 [G_MODULE_HAVE_DLERROR=0])
1305 dnl *** done, have we got an implementation?
1306 if test -z "$G_MODULE_IMPL"; then
1308 G_MODULE_SUPPORTED=false
1310 G_MODULE_SUPPORTED=true
1313 AC_MSG_CHECKING(for the suffix of shared libraries)
1314 shrext_cmds=`./libtool --config | grep '^shrext_cmds='`
1316 module=yes eval std_shrext=$shrext_cmds
1317 # chop the initial dot
1318 glib_gmodule_suffix=`echo $std_shrext | sed 's/^\.//'`
1319 AC_MSG_RESULT(.$glib_gmodule_suffix)
1320 # any reason it may fail?
1321 if test "x$glib_gmodule_suffix" = x; then
1322 AC_MSG_ERROR(Cannot determine shared library suffix from libtool)
1325 AC_SUBST(G_MODULE_SUPPORTED)
1326 AC_SUBST(G_MODULE_IMPL)
1327 AC_SUBST(G_MODULE_LIBS)
1328 AC_SUBST(G_MODULE_LIBS_EXTRA)
1329 AC_SUBST(G_MODULE_PLUGIN_LIBS)
1330 AC_SUBST(G_MODULE_LDFLAGS)
1331 AC_SUBST(G_MODULE_HAVE_DLERROR)
1332 AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
1333 AC_SUBST(G_MODULE_NEED_USCORE)
1334 AC_SUBST(GLIB_DEBUG_FLAGS)
1336 dnl **********************
1337 dnl *** g_spawn checks ***
1338 dnl **********************
1340 AC_MSG_CHECKING(for gspawn implementation)
1343 GSPAWN=gspawn-win32.lo
1349 AC_MSG_RESULT($GSPAWN)
1352 dnl *************************
1353 dnl *** GIOChannel checks ***
1354 dnl *************************
1356 AC_MSG_CHECKING(for GIOChannel implementation)
1368 dnl ****************************************
1369 dnl *** platform dependent source checks ***
1370 dnl ****************************************
1372 AC_MSG_CHECKING(for platform-dependent source)
1374 *-*-cygwin*|*-*-mingw*)
1375 PLATFORMDEP=gwin32.lo
1381 AC_MSG_RESULT($PLATFORMDEP)
1382 AC_SUBST(PLATFORMDEP)
1384 AC_MSG_CHECKING([whether to compile timeloop])
1386 *-*-cygwin*|*-*-mingw*|*-*-minix)
1393 AC_MSG_RESULT($enable_timeloop)
1394 AM_CONDITIONAL(ENABLE_TIMELOOP, test x$enable_timeloop = xyes)
1396 AC_MSG_CHECKING([if building for some Win32 platform])
1398 *-*-mingw*|*-*-cygwin*)
1405 AC_MSG_RESULT($platform_win32)
1406 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
1408 dnl ***********************
1409 dnl *** g_thread checks ***
1410 dnl ***********************
1412 AC_ARG_WITH(threads,
1413 [AC_HELP_STRING([--with-threads=@<:@none/posix/dce/win32@:>@],
1414 [specify a thread implementation to use])],
1415 [if test "x$with_threads" = x; then
1418 want_threads=$with_threads
1421 if test "x$enable_threads" = "xno"; then
1425 dnl error and warning message
1426 dnl *************************
1428 THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
1429 computer. GLib will not have a default thread implementation."
1431 FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
1432 platform (normally it's "_REENTRANT"). I'll not use any flag on
1433 compilation now, but then your programs might not work.
1434 Please provide information on how it is done on your system."
1436 LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
1439 LIBS_NOT_FOUND_2=". Please choose another thread implementation or
1440 provide information on your thread implementation.
1441 You can also run 'configure --disable-threads'
1442 to compile without thread support."
1444 FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
1445 functions will not be MT-safe during their first call because
1446 there is no working 'getpwuid_r' on your system."
1448 FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
1449 because there is no 'localtime_r' on your system."
1451 POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
1452 crude surrogate will be used. If you happen to know a
1453 yield function for your system, please inform the GLib
1456 POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for
1457 threads on your system. Thus threads can only have the default
1458 priority. If you happen to know these main/max
1459 priorities, please inform the GLib developers."
1461 AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when
1462 linking threaded applications. As GLib cannot do that
1463 automatically, you will get an linkg error everytime you are
1464 not using the right compiler. In that case you have to relink
1465 with the right compiler. Ususally just '_r' is appended
1466 to the compiler name."
1468 dnl determination of thread implementation
1469 dnl ***************************************
1471 # have_threads=no means no thread support
1472 # have_threads=none means no default thread implementation
1475 if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
1476 || test "x$want_threads" = xdce; then
1477 # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
1478 # -U_OSF_SOURCE is for Digital UNIX 4.0d
1479 GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
1480 glib_save_CPPFLAGS="$CPPFLAGS"
1481 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1482 if test "x$have_threads" = xno; then
1483 AC_TRY_COMPILE([#include <pthread.h>],
1484 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1487 if test "x$have_threads" = xno; then
1488 AC_TRY_COMPILE([#include <pthread.h>],
1490 pthread_mutex_init (&m, pthread_mutexattr_default);],
1493 # Tru64Unix requires -pthread to find pthread.h. See #103020
1494 CPPFLAGS="$CPPFLAGS -pthread"
1495 if test "x$have_threads" = xno; then
1496 AC_TRY_COMPILE([#include <pthread.h>],
1497 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1500 CPPFLAGS="$glib_save_CPPFLAGS"
1502 if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then
1509 if test "x$want_threads" = xnone; then
1513 AC_MSG_CHECKING(for thread implementation)
1515 if test "x$have_threads" = xno && test "x$want_threads" != xno; then
1516 AC_MSG_RESULT(none available)
1517 AC_MSG_WARN($THREAD_NO_IMPLEMENTATION)
1519 AC_MSG_RESULT($have_threads)
1523 dnl determination of G_THREAD_CFLAGS
1524 dnl ********************************
1527 G_THREAD_LIBS_EXTRA=
1531 dnl Test program for basic POSIX threads functionality
1533 m4_define([glib_thread_test],[
1534 #include <pthread.h>
1536 void* func(void* data) {check_me = 42; return &check_me;}
1540 pthread_create (&t, $1, func, 0);
1541 pthread_join (t, &ret);
1542 return (check_me != 42 || ret != &check_me);
1546 dnl Test program for sched_get_priority_min()
1548 m4_define([glib_sched_priority_test],[
1553 return sched_get_priority_min(SCHED_OTHER)==-1
1557 if test x"$have_threads" != xno; then
1559 if test x"$have_threads" = xposix; then
1560 # First we test for posix, whether -pthread or -pthreads do the trick as
1561 # both CPPFLAG and LIBS.
1562 # One of them does for most gcc versions and some other platforms/compilers
1563 # too and could be considered as the canonical way to go.
1565 *-*-cygwin*|*-*-darwin*)
1566 # skip cygwin and darwin -pthread or -pthreads test
1569 # These compiler/linker flags work with both Sun Studio and gcc
1570 # Sun Studio expands -mt to -D_REENTRANT and -lthread
1571 # gcc expands -pthreads to -D_REENTRANT -D_PTHREADS -lpthread
1572 G_THREAD_CFLAGS="-D_REENTRANT -D_PTHREADS"
1573 G_THREAD_LIBS="-lpthread -lthread"
1576 for flag in pthread pthreads mt; do
1577 glib_save_CFLAGS="$CFLAGS"
1578 CFLAGS="$CFLAGS -$flag"
1579 AC_TRY_RUN(glib_thread_test(0),
1580 glib_flag_works=yes,
1582 [AC_LINK_IFELSE(glib_thread_test(0),
1583 glib_flag_works=yes,
1584 glib_flag_works=no)])
1585 CFLAGS="$glib_save_CFLAGS"
1586 if test $glib_flag_works = yes ; then
1587 G_THREAD_CFLAGS=-$flag
1588 G_THREAD_LIBS=-$flag
1596 if test x"$G_THREAD_CFLAGS" = x; then
1598 # The canonical -pthread[s] does not work. Try something different.
1602 if test x"$GCC" = xyes; then
1603 # GCC 3.0 and above needs -pthread.
1604 # Should be coverd by the case above.
1605 # GCC 2.x and below needs -mthreads
1606 G_THREAD_CFLAGS="-mthreads"
1607 G_THREAD_LIBS=$G_THREAD_CFLAGS
1609 # We are probably using the aix compiler. Normaly a
1610 # program would have to be compiled with the _r variant
1611 # of the corresponding compiler, but we as GLib cannot
1612 # do that: but the good news is that for compiling the
1613 # only difference is the added -D_THREAD_SAFE compile
1614 # option. This is according to the "C for AIX User's
1616 G_THREAD_CFLAGS="-D_THREAD_SAFE"
1620 G_THREAD_CFLAGS="-D_REENTRANT -D_POSIX4A_DRAFT10_SOURCE"
1623 # So we are using dce threads. posix threads are already
1625 G_THREAD_CFLAGS="-threads"
1626 G_THREAD_LIBS=$G_THREAD_CFLAGS
1628 *-sysv5uw7*) # UnixWare 7
1629 # We are not using gcc with -pthread. Catched above.
1630 G_THREAD_CFLAGS="-Kthread"
1631 G_THREAD_LIBS=$G_THREAD_CFLAGS
1634 # No flag needed when using MSVCRT.DLL
1638 G_THREAD_CFLAGS="-D_REENTRANT" # good default guess otherwise
1644 # if we are not finding the localtime_r function, then we probably are
1645 # not using the proper multithread flag
1647 glib_save_CPPFLAGS="$CPPFLAGS"
1648 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1650 # First we test, whether localtime_r is declared in time.h
1651 # directly. Then we test whether a macro localtime_r exists, in
1652 # which case localtime_r in the test program is replaced and thus
1653 # if we still find localtime_r in the output, it is not defined as
1656 AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>], ,
1657 [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>
1659 AC_MSG_WARN($FLAG_DOES_NOT_WORK))])
1661 CPPFLAGS="$glib_save_CPPFLAGS"
1663 AC_MSG_CHECKING(thread related cflags)
1664 AC_MSG_RESULT($G_THREAD_CFLAGS)
1665 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1668 dnl determination of G_THREAD_LIBS
1669 dnl ******************************
1671 mutex_has_default=no
1672 case $have_threads in
1674 glib_save_CPPFLAGS="$CPPFLAGS"
1675 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1676 if test x"$G_THREAD_LIBS" = x; then
1679 # We are not using gcc (would have set G_THREAD_LIBS) and thus
1680 # probably using the aix compiler.
1681 AC_MSG_WARN($AIX_COMPILE_INFO)
1685 glib_save_LIBS="$LIBS"
1686 for thread_lib in "" pthread pthread32 pthreads thread dce; do
1687 if test x"$thread_lib" = x; then
1691 add_thread_lib="-l$thread_lib"
1692 IN=" in -l$thread_lib"
1694 if test x"$have_threads" = xposix; then
1697 defattr=pthread_attr_default
1700 LIBS="$add_thread_lib $glib_save_LIBS"
1702 AC_MSG_CHECKING(for pthread_create/pthread_join$IN)
1703 AC_TRY_RUN(glib_thread_test($defattr),
1706 [AC_LINK_IFELSE(glib_thread_test($defattr),
1709 AC_MSG_RESULT($glib_result)
1711 if test "$glib_result" = "yes" ; then
1712 G_THREAD_LIBS="$add_thread_lib"
1716 if test "x$G_THREAD_LIBS" = xerror; then
1717 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1719 LIBS="$glib_save_LIBS"
1724 glib_save_LIBS="$LIBS"
1725 for thread_lib in "" rt rte; do
1726 if test x"$thread_lib" = x; then
1730 add_thread_lib="-l$thread_lib"
1731 IN=" in -l$thread_lib"
1733 LIBS="$add_thread_lib $glib_save_LIBS"
1735 AC_MSG_CHECKING(for sched_get_priority_min$IN)
1736 AC_TRY_RUN(glib_sched_priority_test,
1739 [AC_LINK_IFELSE(glib_sched_priority_test,
1742 AC_MSG_RESULT($glib_result)
1744 if test "$glib_result" = "yes" ; then
1745 G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
1746 posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
1747 posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
1751 LIBS="$glib_save_LIBS"
1752 mutex_has_default=yes
1753 mutex_default_type='pthread_mutex_t'
1754 mutex_default_init='PTHREAD_MUTEX_INITIALIZER'
1755 mutex_header_file='pthread.h'
1756 if test "x$have_threads" = "xposix"; then
1757 g_threads_impl="POSIX"
1759 g_threads_impl="DCE"
1760 have_threads="posix"
1762 AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
1763 CPPFLAGS="$glib_save_CPPFLAGS"
1766 g_threads_impl="WIN32"
1769 g_threads_impl="NONE"
1772 g_threads_impl="NONE"
1777 if test "x$G_THREAD_LIBS" = xerror; then
1778 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1783 G_THREAD_LIBS="-lbe -lroot -lglib-2.0 "
1784 G_THREAD_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1790 AC_MSG_CHECKING(thread related libraries)
1791 AC_MSG_RESULT($G_THREAD_LIBS)
1793 dnl check for mt safe function variants and some posix functions
1794 dnl ************************************************************
1796 if test x"$have_threads" != xno; then
1797 glib_save_LIBS="$LIBS"
1798 # we are not doing the following for now, as this might require glib
1799 # to always be linked with the thread libs on some platforms.
1800 # LIBS="$LIBS $G_THREAD_LIBS"
1801 AC_CHECK_FUNCS(localtime_r)
1802 if test "$ac_cv_header_pwd_h" = "yes"; then
1803 AC_CACHE_CHECK([for posix getpwuid_r],
1804 ac_cv_func_posix_getpwuid_r,
1810 struct passwd pwd, *pwptr = &pwd;
1813 error = getpwuid_r (0, &pwd, buffer,
1814 sizeof (buffer), &pwptr);
1815 return (error < 0 && errno == ENOSYS)
1818 [ac_cv_func_posix_getpwuid_r=yes],
1819 [ac_cv_func_posix_getpwuid_r=no])])
1820 GLIB_ASSERT_SET(ac_cv_func_posix_getpwuid_r)
1821 if test "$ac_cv_func_posix_getpwuid_r" = yes; then
1822 AC_DEFINE(HAVE_POSIX_GETPWUID_R,1,
1823 [Have POSIX function getpwuid_r])
1825 AC_CACHE_CHECK([for nonposix getpwuid_r],
1826 ac_cv_func_nonposix_getpwuid_r,
1827 [AC_TRY_LINK([#include <pwd.h>],
1828 [char buffer[10000];
1830 getpwuid_r (0, &pwd, buffer,
1832 [ac_cv_func_nonposix_getpwuid_r=yes],
1833 [ac_cv_func_nonposix_getpwuid_r=no])])
1834 GLIB_ASSERT_SET(ac_cv_func_nonposix_getpwuid_r)
1835 if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then
1836 AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1,
1837 [Have non-POSIX function getpwuid_r])
1841 LIBS="$G_THREAD_LIBS $LIBS"
1842 if test x"$have_threads" = xposix; then
1843 glib_save_CPPFLAGS="$CPPFLAGS"
1844 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1845 dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
1846 GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
1847 # This is not AC_CHECK_FUNC to also work with function
1848 # name mangling in header files.
1849 AC_MSG_CHECKING(for pthread_attr_setstacksize)
1850 AC_TRY_LINK([#include <pthread.h>],
1851 [pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
1853 AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
1854 [Have function pthread_attr_setstacksize])],
1855 [AC_MSG_RESULT(no)])
1856 AC_MSG_CHECKING(for minimal/maximal thread priority)
1857 if test x"$posix_priority_min" = x; then
1858 AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
1860 posix_priority_min=PX_PRIO_MIN
1861 posix_priority_max=PX_PRIO_MAX])
1863 if test x"$posix_priority_min" = x; then
1865 AC_EGREP_CPP(PTHREAD_PRIO_MIN,[#include <pthread.h>
1866 PTHREAD_PRIO_MIN],,[
1867 posix_priority_min=PTHREAD_PRIO_MIN
1868 posix_priority_max=PTHREAD_PRIO_MAX])
1870 if test x"$posix_priority_min" = x; then
1871 AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
1873 posix_priority_min=PRI_OTHER_MIN
1874 posix_priority_max=PRI_OTHER_MAX])
1876 if test x"$posix_priority_min" = x; then
1877 AC_MSG_RESULT(none found)
1878 AC_MSG_WARN($POSIX_NO_PRIORITIES)
1879 posix_priority_min=-1
1880 posix_priority_max=-1
1882 AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
1883 AC_MSG_CHECKING(for pthread_setschedparam)
1884 AC_TRY_LINK([#include <pthread.h>],
1885 [pthread_t t; pthread_setschedparam(t, 0, NULL)],
1887 AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
1888 AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])],
1890 AC_MSG_WARN($POSIX_NO_PRIORITIES)])
1892 posix_yield_func=none
1893 AC_MSG_CHECKING(for posix yield function)
1894 for yield_func in sched_yield pthread_yield_np pthread_yield \
1896 AC_TRY_LINK([#include <pthread.h>],
1898 [posix_yield_func="$yield_func"
1901 if test x"$posix_yield_func" = xnone; then
1902 AC_MSG_RESULT(none found)
1903 AC_MSG_WARN($POSIX_NO_YIELD)
1904 posix_yield_func="g_usleep(1000)"
1906 AC_MSG_RESULT($posix_yield_func)
1907 posix_yield_func="$posix_yield_func()"
1909 AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
1910 CPPFLAGS="$glib_save_CPPFLAGS"
1912 elif test x"$have_threads" = xwin32; then
1913 # It's a pointer to a private struct
1914 GLIB_SIZEOF(,struct _GThreadData *, system_thread)
1917 LIBS="$glib_save_LIBS"
1919 # now spit out all the warnings.
1920 if test "$ac_cv_func_posix_getpwuid_r" != "yes" &&
1921 test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then
1922 AC_MSG_WARN($FUNC_NO_GETPWUID_R)
1924 if test "$ac_cv_func_localtime_r" != "yes"; then
1925 AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
1929 if test x"$glib_cv_sizeof_system_thread" = x; then
1930 # use a pointer as a fallback.
1931 GLIB_SIZEOF(,void *, system_thread)
1935 # Hack to deal with:
1937 # a) GCC < 3.3 for Linux doesn't include -lpthread when
1938 # building shared libraries with linux.
1942 G_THREAD_LIBS_FOR_GTHREAD="`echo $G_THREAD_LIBS | sed s/-pthread/-lpthread/`"
1945 G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS"
1949 AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c",
1950 [Source file containing theread implementation])
1951 AC_SUBST(G_THREAD_CFLAGS)
1952 AC_SUBST(G_THREAD_LIBS)
1953 AC_SUBST(G_THREAD_LIBS_FOR_GTHREAD)
1954 AC_SUBST(G_THREAD_LIBS_EXTRA)
1956 dnl **********************************************
1957 dnl *** GDefaultMutex setup and initialization ***
1958 dnl **********************************************
1960 dnl if mutex_has_default = yes, we also got
1961 dnl mutex_default_type, mutex_default_init and mutex_header_file
1962 if test $mutex_has_default = yes ; then
1963 glib_save_CPPFLAGS="$CPPFLAGS"
1964 glib_save_LIBS="$LIBS"
1965 LIBS="$G_THREAD_LIBS $LIBS"
1966 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1967 GLIB_SIZEOF([#include <$mutex_header_file>],
1968 $mutex_default_type,
1970 GLIB_BYTE_CONTENTS([#include <$mutex_header_file>],
1971 $mutex_default_type,
1973 $glib_cv_sizeof_gmutex,
1974 $mutex_default_init)
1975 if test x"$glib_cv_byte_contents_gmutex" = xno; then
1976 mutex_has_default=no
1978 CPPFLAGS="$glib_save_CPPFLAGS"
1979 LIBS="$glib_save_LIBS"
1982 AC_CHECK_FUNCS(clock_gettime, [], [
1983 AC_CHECK_LIB(rt, clock_gettime, [
1984 AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
1989 AC_CACHE_CHECK(for monotonic clocks,
1990 glib_cv_monotonic_clock,AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
1994 #if !(defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 && defined(CLOCK_MONOTONIC))
1995 #error No monotonic clock
1999 ]])],glib_cv_monotonic_clock=yes,glib_cv_monotonic_clock=no))
2000 if test "$glib_cv_monotonic_clock" = "yes"; then
2001 AC_DEFINE(HAVE_MONOTONIC_CLOCK,1,[Have a monotonic clock])
2005 dnl ********************************
2006 dnl *** g_atomic_* tests for gcc ***
2007 dnl ********************************
2009 AC_MSG_CHECKING([whether to use assembler code for atomic operations])
2011 if test x"$GCC" = xyes; then
2014 AC_MSG_RESULT([none])
2015 glib_memory_barrier_needed=no
2018 AC_MSG_RESULT([i486])
2019 AC_DEFINE_UNQUOTED(G_ATOMIC_I486, 1,
2020 [i486 atomic implementation])
2021 glib_memory_barrier_needed=no
2024 SPARCV9_WARNING="Try to rerun configure with CFLAGS='-mcpu=v9',
2025 when you are using a sparc with v9 instruction set (most
2026 sparcs nowadays). This will make the code for atomic
2027 operations much faster. The resulting code will not run
2028 on very old sparcs though."
2033 int tmp1, tmp2, tmp3;
2034 __asm__ __volatile__("casx [%2], %0, %1"
2035 : "=&r" (tmp1), "=&r" (tmp2) : "r" (&tmp3));
2037 AC_MSG_RESULT([sparcv9])
2038 AC_DEFINE_UNQUOTED(G_ATOMIC_SPARCV9, 1,
2039 [sparcv9 atomic implementation]),
2041 AC_MSG_WARN([[$SPARCV9_WARNING]]))
2042 glib_memory_barrier_needed=yes
2045 AC_MSG_RESULT([alpha])
2046 AC_DEFINE_UNQUOTED(G_ATOMIC_ALPHA, 1,
2047 [alpha atomic implementation])
2048 glib_memory_barrier_needed=yes
2051 AC_MSG_RESULT([x86_64])
2052 AC_DEFINE_UNQUOTED(G_ATOMIC_X86_64, 1,
2053 [x86_64 atomic implementation])
2054 glib_memory_barrier_needed=no
2057 AC_MSG_RESULT([powerpc])
2058 AC_DEFINE_UNQUOTED(G_ATOMIC_POWERPC, 1,
2059 [powerpc atomic implementation])
2060 glib_memory_barrier_needed=yes
2063 AC_MSG_RESULT([ia64])
2064 AC_DEFINE_UNQUOTED(G_ATOMIC_IA64, 1,
2065 [ia64 atomic implementation])
2066 glib_memory_barrier_needed=yes
2069 AC_MSG_RESULT([s390])
2070 AC_DEFINE_UNQUOTED(G_ATOMIC_S390, 1,
2071 [s390 atomic implementation])
2072 glib_memory_barrier_needed=no
2075 AC_MSG_RESULT([none])
2076 glib_memory_barrier_needed=yes
2081 dnl ****************************************
2082 dnl *** GLib POLL* compatibility defines ***
2083 dnl ****************************************
2085 glib_poll_includes=["
2086 #include <sys/types.h>
2087 #include <sys/poll.h>
2090 if test $ac_cv_header_sys_types_h = yes &&
2091 test $ac_cv_header_sys_poll_h = yes ; then
2093 GLIB_CHECK_VALUE(POLLIN, $glib_poll_includes, glib_failed=true)
2094 GLIB_CHECK_VALUE(POLLOUT, $glib_poll_includes, glib_failed=true)
2095 GLIB_CHECK_VALUE(POLLPRI, $glib_poll_includes, glib_failed=true)
2096 GLIB_CHECK_VALUE(POLLERR, $glib_poll_includes, glib_failed=true)
2097 GLIB_CHECK_VALUE(POLLHUP, $glib_poll_includes, glib_failed=true)
2098 GLIB_CHECK_VALUE(POLLNVAL, $glib_poll_includes, glib_failed=true)
2099 if $glib_failed ; then
2100 AC_MSG_ERROR([Could not determine values for POLL* constants])
2103 glib_cv_value_POLLIN=1
2104 glib_cv_value_POLLOUT=4
2105 glib_cv_value_POLLPRI=2
2106 glib_cv_value_POLLERR=8
2107 glib_cv_value_POLLHUP=16
2108 glib_cv_value_POLLNVAL=32
2111 AC_MSG_CHECKING([for broken poll])
2112 AC_RUN_IFELSE([AC_LANG_SOURCE([[
2116 #ifdef HAVE_SYS_POLL_H
2117 #include <sys/poll.h>
2120 struct pollfd fds[1];
2122 fd = open("/dev/null", 1);
2124 fds[0].events = POLLIN;
2126 if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
2127 exit(1); /* Does not work for devices -- fail */
2133 AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
2134 [broken_poll="no (cross compiling)"])
2135 AC_MSG_RESULT($broken_poll)
2137 dnl **********************
2138 dnl *** Win32 API libs ***
2139 dnl **********************
2143 G_LIBS_EXTRA="-luser32 -lkernel32"
2146 G_LIBS_EXTRA="-lws2_32 -lole32"
2152 AC_SUBST(G_LIBS_EXTRA)
2154 dnl If the system doesn't define EILSEQ, we should define EILSEQ ourselves
2155 dnl since we need it for g_iconv()
2157 AC_MSG_CHECKING([for EILSEQ])
2163 ], have_eilseq=yes, have_eilseq=no);
2164 AC_MSG_RESULT($have_eilseq)
2166 dnl ******************************************************************
2167 dnl *** Look for glib-genmarshal in PATH if we are cross-compiling ***
2168 dnl ******************************************************************
2170 AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
2172 if test $cross_compiling = yes; then
2173 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal, no)
2174 if test x$GLIB_GENMARSHAL = xno; then
2175 AC_MSG_ERROR(Could not find a glib-genmarshal in your PATH)
2179 dnl **************************
2180 dnl *** Checks for gtk-doc ***
2181 dnl **************************
2183 GTK_DOC_CHECK([1.4])
2186 [AC_HELP_STRING([--enable-man],
2187 [regenerate man pages from Docbook [default=no]])],enable_man=yes,
2190 if test "${enable_man}" != no; then
2192 dnl Check for xsltproc
2194 AC_PATH_PROG([XSLTPROC], [xsltproc])
2195 if test -z "$XSLTPROC"; then
2199 dnl check for DocBook DTD and stylesheets in the local catalog.
2200 JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
2201 [DocBook XML DTD V4.1.2],,enable_man=no)
2202 JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
2203 [DocBook XSL Stylesheets],,enable_man=no)
2206 AM_CONDITIONAL(ENABLE_MAN, test x$enable_man != xno)
2208 dnl ******************************
2209 dnl *** output the whole stuff ***
2210 dnl ******************************
2212 dnl this section will only be run if config.status is invoked with no
2213 dnl arguments, or with "glibconfig.h" as an argument.
2214 AC_CONFIG_COMMANDS([glibconfig.h],
2216 outfile=glibconfig.h-tmp
2217 cat > $outfile <<\_______EOF
2220 * This is a generated file. Please modify 'configure.in'
2223 #ifndef __G_LIBCONFIG_H__
2224 #define __G_LIBCONFIG_H__
2226 #include <glib/gmacros.h>
2230 if test x$glib_limits_h = xyes; then
2231 echo '#include <limits.h>' >> $outfile
2233 if test x$glib_float_h = xyes; then
2234 echo '#include <float.h>' >> $outfile
2236 if test x$glib_values_h = xyes; then
2237 echo '#include <values.h>' >> $outfile
2239 if test "$glib_header_alloca_h" = "yes"; then
2240 echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile
2242 if test x$glib_sys_poll_h = xyes; then
2243 echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile
2246 cat >> $outfile <<_______EOF
2250 #define G_MINFLOAT $glib_mf
2251 #define G_MAXFLOAT $glib_Mf
2252 #define G_MINDOUBLE $glib_md
2253 #define G_MAXDOUBLE $glib_Md
2254 #define G_MINSHORT $glib_ms
2255 #define G_MAXSHORT $glib_Ms
2256 #define G_MAXUSHORT $glib_Mus
2257 #define G_MININT $glib_mi
2258 #define G_MAXINT $glib_Mi
2259 #define G_MAXUINT $glib_Mui
2260 #define G_MINLONG $glib_ml
2261 #define G_MAXLONG $glib_Ml
2262 #define G_MAXULONG $glib_Mul
2267 ### this should always be true in a modern C/C++ compiler
2268 cat >>$outfile <<_______EOF
2269 typedef signed char gint8;
2270 typedef unsigned char guint8;
2274 if test -n "$gint16"; then
2275 cat >>$outfile <<_______EOF
2276 typedef signed $gint16 gint16;
2277 typedef unsigned $gint16 guint16;
2278 #define G_GINT16_MODIFIER $gint16_modifier
2279 #define G_GINT16_FORMAT $gint16_format
2280 #define G_GUINT16_FORMAT $guint16_format
2285 if test -n "$gint32"; then
2286 cat >>$outfile <<_______EOF
2287 typedef signed $gint32 gint32;
2288 typedef unsigned $gint32 guint32;
2289 #define G_GINT32_MODIFIER $gint32_modifier
2290 #define G_GINT32_FORMAT $gint32_format
2291 #define G_GUINT32_FORMAT $guint32_format
2295 cat >>$outfile <<_______EOF
2296 #define G_HAVE_GINT64 1 /* deprecated, always true */
2298 ${glib_extension}typedef signed $gint64 gint64;
2299 ${glib_extension}typedef unsigned $gint64 guint64;
2301 #define G_GINT64_CONSTANT(val) $gint64_constant
2302 #define G_GUINT64_CONSTANT(val) $guint64_constant
2305 if test x$gint64_format != x ; then
2306 cat >>$outfile <<_______EOF
2307 #define G_GINT64_MODIFIER $gint64_modifier
2308 #define G_GINT64_FORMAT $gint64_format
2309 #define G_GUINT64_FORMAT $guint64_format
2312 cat >>$outfile <<_______EOF
2313 #undef G_GINT64_MODIFIER
2314 #undef G_GINT64_FORMAT
2315 #undef G_GUINT64_FORMAT
2319 cat >>$outfile <<_______EOF
2321 #define GLIB_SIZEOF_VOID_P $glib_void_p
2322 #define GLIB_SIZEOF_LONG $glib_long
2323 #define GLIB_SIZEOF_SIZE_T $glib_size_t
2327 cat >>$outfile <<_______EOF
2328 typedef signed $glib_size_type_define gssize;
2329 typedef unsigned $glib_size_type_define gsize;
2330 #define G_GSIZE_MODIFIER $gsize_modifier
2331 #define G_GSSIZE_FORMAT $gssize_format
2332 #define G_GSIZE_FORMAT $gsize_format
2334 #define G_MAXSIZE G_MAXU$glib_msize_type
2337 if test -z "$glib_unknown_void_p"; then
2338 cat >>$outfile <<_______EOF
2340 #define GPOINTER_TO_INT(p) ((gint) ${glib_gpi_cast} (p))
2341 #define GPOINTER_TO_UINT(p) ((guint) ${glib_gpui_cast} (p))
2343 #define GINT_TO_POINTER(i) ((gpointer) ${glib_gpi_cast} (i))
2344 #define GUINT_TO_POINTER(u) ((gpointer) ${glib_gpui_cast} (u))
2347 echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
2352 cat >>$outfile <<_______EOF
2361 #define G_HAVE_INLINE 1
2362 #else /* !__cplusplus */
2364 #endif /* !__cplusplus */
2367 #define G_CAN_INLINE 1
2370 if test x$g_can_inline = xyes ; then
2371 cat >>$outfile <<_______EOF
2372 #else /* !__cplusplus */
2373 #define G_CAN_INLINE 1
2377 cat >>$outfile <<_______EOF
2382 if test x$g_have_iso_c_varargs = xyes ; then
2383 cat >>$outfile <<_______EOF
2385 # define G_HAVE_ISO_VARARGS 1
2389 if test x$g_have_iso_cxx_varargs = xyes ; then
2390 cat >>$outfile <<_______EOF
2392 # define G_HAVE_ISO_VARARGS 1
2396 if test x$g_have_gnuc_varargs = xyes ; then
2397 cat >>$outfile <<_______EOF
2399 /* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
2400 * is passed ISO vararg support is turned off, and there is no work
2401 * around to turn it on, so we unconditionally turn it off.
2403 #if __GNUC__ == 2 && __GNUC_MINOR__ == 95
2404 # undef G_HAVE_ISO_VARARGS
2407 #define G_HAVE_GNUC_VARARGS 1
2411 case x$g_stack_grows in
2412 xyes) echo "#define G_HAVE_GROWING_STACK 1" >>$outfile ;;
2413 *) echo "#define G_HAVE_GROWING_STACK 0" >>$outfile ;;
2418 if test x$g_have_eilseq = xno; then
2419 cat >>$outfile <<_______EOF
2421 /* On some systems, like SunOS and NetBSD, EILSEQ is not defined.
2422 * The correspondence between this and the corresponding definition
2423 * in libiconv is essential.
2425 # define EILSEQ ENOENT
2431 if test x$g_have_gnuc_visibility = xyes ; then
2432 cat >>$outfile <<_______EOF
2433 #define G_HAVE_GNUC_VISIBILITY 1
2434 #define G_GNUC_INTERNAL __attribute__((visibility("hidden")))
2437 cat >>$outfile <<_______EOF
2438 #define G_GNUC_INTERNAL
2444 if test x$g_mutex_has_default = xyes; then
2445 cat >>$outfile <<_______EOF
2446 $g_enable_threads_def G_THREADS_ENABLED
2447 #define G_THREADS_IMPL_$g_threads_impl_def
2448 typedef struct _GStaticMutex GStaticMutex;
2449 struct _GStaticMutex
2451 struct _GMutex *runtime_mutex;
2453 char pad[[$g_mutex_sizeof]];
2454 double dummy_double;
2455 void *dummy_pointer;
2459 #define G_STATIC_MUTEX_INIT { NULL, { { $g_mutex_contents} } }
2460 #define g_static_mutex_get_mutex(mutex) \\
2461 (g_thread_use_default_impl ? ((GMutex*) ((mutex)->static_mutex.pad)) : \\
2462 g_static_mutex_get_mutex_impl_shortcut (&((mutex)->runtime_mutex)))
2465 cat >>$outfile <<_______EOF
2466 $g_enable_threads_def G_THREADS_ENABLED
2467 #define G_THREADS_IMPL_$g_threads_impl_def
2468 typedef struct _GMutex* GStaticMutex;
2469 #define G_STATIC_MUTEX_INIT NULL
2470 #define g_static_mutex_get_mutex(mutex) \\
2471 (g_static_mutex_get_mutex_impl_shortcut (mutex))
2475 cat >>$outfile <<_______EOF
2476 /* This represents a system thread as used by the implementation. An
2477 * alien implementaion, as loaded by g_thread_init can only count on
2478 * "sizeof (gpointer)" bytes to store their info. We however need more
2479 * for some of our native implementations. */
2480 typedef union _GSystemThread GSystemThread;
2481 union _GSystemThread
2483 char data[[$g_system_thread_sizeof]];
2484 double dummy_double;
2485 void *dummy_pointer;
2489 if test x"$g_memory_barrier_needed" != xno; then
2491 echo "#define G_ATOMIC_OP_MEMORY_BARRIER_NEEDED 1" >>$outfile
2495 g_bit_sizes="16 32 64"
2496 for bits in $g_bit_sizes; do
2497 cat >>$outfile <<_______EOF
2498 #define GINT${bits}_TO_${g_bs_native}(val) ((gint${bits}) (val))
2499 #define GUINT${bits}_TO_${g_bs_native}(val) ((guint${bits}) (val))
2500 #define GINT${bits}_TO_${g_bs_alien}(val) ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val))
2501 #define GUINT${bits}_TO_${g_bs_alien}(val) (GUINT${bits}_SWAP_LE_BE (val))
2505 cat >>$outfile <<_______EOF
2506 #define GLONG_TO_LE(val) ((glong) GINT${glongbits}_TO_LE (val))
2507 #define GULONG_TO_LE(val) ((gulong) GUINT${glongbits}_TO_LE (val))
2508 #define GLONG_TO_BE(val) ((glong) GINT${glongbits}_TO_BE (val))
2509 #define GULONG_TO_BE(val) ((gulong) GUINT${glongbits}_TO_BE (val))
2510 #define GINT_TO_LE(val) ((gint) GINT${gintbits}_TO_LE (val))
2511 #define GUINT_TO_LE(val) ((guint) GUINT${gintbits}_TO_LE (val))
2512 #define GINT_TO_BE(val) ((gint) GINT${gintbits}_TO_BE (val))
2513 #define GUINT_TO_BE(val) ((guint) GUINT${gintbits}_TO_BE (val))
2514 #define G_BYTE_ORDER $g_byte_order
2516 #define GLIB_SYSDEF_POLLIN =$g_pollin
2517 #define GLIB_SYSDEF_POLLOUT =$g_pollout
2518 #define GLIB_SYSDEF_POLLPRI =$g_pollpri
2519 #define GLIB_SYSDEF_POLLHUP =$g_pollhup
2520 #define GLIB_SYSDEF_POLLERR =$g_pollerr
2521 #define GLIB_SYSDEF_POLLNVAL =$g_pollnval
2523 #define G_MODULE_SUFFIX "$g_module_suffix"
2525 typedef $g_pid_type GPid;
2529 #endif /* GLIBCONFIG_H */
2533 if cmp -s $outfile glibconfig.h; then
2534 AC_MSG_NOTICE([glibconfig.h is unchanged])
2537 mv $outfile glibconfig.h
2541 # Note that if two cases are the same, case goes with the first one.
2542 # Note also that this is inside an AC_OUTPUT_COMMAND. We do not depend
2543 # on variable expansion in case labels. Look at the generated config.status
2546 if test "x${ac_cv_working_alloca_h+set}" = xset ; then
2547 glib_header_alloca_h="$ac_cv_working_alloca_h"
2549 glib_header_alloca_h="$ac_cv_header_alloca_h"
2553 x$ac_cv_header_float_h)
2555 glib_mf=FLT_MIN glib_Mf=FLT_MAX
2556 glib_md=DBL_MIN glib_Md=DBL_MAX
2558 x$ac_cv_header_values_h)
2560 glib_mf=MINFLOAT glib_Mf=MAXFLOAT
2561 glib_md=MINDOUBLE glib_Md=MAXDOUBLE
2566 x$ac_cv_header_limits_h)
2568 glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX
2569 glib_mi=INT_MIN glib_Mi=INT_MAX glib_Mui=UINT_MAX
2570 glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX
2572 x$ac_cv_header_values_h)
2574 glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)"
2575 glib_mi=MININT glib_Mi=MAXINT glib_Mui="(((guint)G_MAXINT)*2+1)"
2576 glib_ml=MINLONG glib_Ml=MAXLONG glib_Mul="(((gulong)G_MAXLONG)*2+1)"
2580 if test x$ac_cv_header_sys_poll_h = xyes ; then
2585 $ac_cv_sizeof_short)
2587 gint16_modifier='"h"'
2588 gint16_format='"hi"'
2589 guint16_format='"hu"'
2593 gint16_modifier='""'
2595 guint16_format='"u"'
2599 $ac_cv_sizeof_short)
2601 gint32_modifier='"h"'
2602 gint32_format='"hi"'
2603 guint32_format='"hu"'
2607 gint32_modifier='""'
2609 guint32_format='"u"'
2613 gint32_modifier='"l"'
2614 gint32_format='"li"'
2615 guint32_format='"lu"'
2621 gint64_modifier='""'
2623 guint64_format='"u"'
2625 gint64_constant='(val)'
2626 guint64_constant='(val)'
2630 gint64_modifier='"l"'
2631 gint64_format='"li"'
2632 guint64_format='"lu"'
2634 gint64_constant='(val##L)'
2635 guint64_constant='(val##UL)'
2637 $ac_cv_sizeof_long_long)
2639 if test -n "$glib_cv_long_long_format"; then
2640 gint64_modifier='"'$glib_cv_long_long_format'"'
2641 gint64_format='"'$glib_cv_long_long_format'i"'
2642 guint64_format='"'$glib_cv_long_long_format'u"'
2644 glib_extension='G_GNUC_EXTENSION '
2645 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
2646 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
2648 $ac_cv_sizeof___int64)
2650 if test -n "$glib_cv_long_long_format"; then
2651 gint64_modifier='"'$glib_cv_long_long_format'"'
2652 gint64_format='"'$glib_cv_long_long_format'i"'
2653 guint64_format='"'$glib_cv_long_long_format'u"'
2656 gint64_constant='(val##i64)'
2657 guint64_constant='(val##ui64)'
2660 glib_size_t=$ac_cv_sizeof_size_t
2661 glib_size_type_define=$glib_size_type
2662 glib_void_p=$ac_cv_sizeof_long
2663 glib_long=$ac_cv_sizeof_void_p
2665 case $glib_size_type in
2667 gsize_modifier='"h"'
2669 gssize_format='"hi"'
2670 glib_msize_type='SHRT'
2676 glib_msize_type='INT'
2679 gsize_modifier='"l"'
2681 gssize_format='"li"'
2682 glib_msize_type='LONG'
2686 gintbits=`expr $ac_cv_sizeof_int \* 8`
2687 glongbits=`expr $ac_cv_sizeof_long \* 8`
2690 case $ac_cv_sizeof_void_p in
2691 $ac_cv_sizeof_int) glib_gpi_cast='' glib_gpui_cast='' ;;
2692 $ac_cv_sizeof_long) glib_gpi_cast='(glong)' glib_gpui_cast='(gulong)' ;;
2693 *) glib_unknown_void_p=yes ;;
2698 x$ac_cv_func_atexit)
2700 #ifdef NeXT /* @#%@! NeXTStep */
2701 # define g_ATEXIT(proc) (!atexit (proc))
2703 # define g_ATEXIT(proc) (atexit (proc))
2706 x$ac_cv_func_on_exit)
2708 #define g_ATEXIT(proc) (on_exit ((void (*)(int, void*))(proc), NULL))"
2713 x$ac_cv_func_memmove)
2715 #define g_memmove(dest,src,len) G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END'
2717 x$glib_cv_working_bcopy)
2719 /* memmove isn't available, but bcopy can copy overlapping memory regions */
2720 #define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END"
2724 /* memmove isn't found and bcopy can't copy overlapping memory regions,
2725 * so we have to roll our own copy routine. */
2726 void g_memmove (void* dest, const void * src, unsigned long len);"
2731 #define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION
2732 #define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION
2733 #define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION
2737 x$glib_cv_va_copy) glib_vacopy='#define G_VA_COPY va_copy' ;;
2738 x$glib_cv___va_copy) glib_vacopy='#define G_VA_COPY __va_copy' ;;
2742 if test x$glib_cv_va_val_copy = xno; then
2743 glib_vacopy="\$glib_vacopy
2744 #define G_VA_COPY_AS_ARRAY 1"
2747 if test x$glib_cv_hasinline = xyes; then
2748 glib_inline='#define G_HAVE_INLINE 1'
2750 if test x$glib_cv_has__inline = xyes; then
2751 glib_inline="\$glib_inline
2752 #define G_HAVE___INLINE 1"
2754 if test x$glib_cv_has__inline__ = xyes; then
2755 glib_inline="\$glib_inline
2756 #define G_HAVE___INLINE__ 1"
2759 g_have_gnuc_varargs=$g_have_gnuc_varargs
2760 g_have_iso_c_varargs=$g_have_iso_c_varargs
2761 g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs
2763 g_can_inline=$g_can_inline
2764 g_have_gnuc_visibility=$g_have_gnuc_visibility
2767 x$ac_cv_c_bigendian)
2768 g_byte_order=G_BIG_ENDIAN
2773 g_byte_order=G_LITTLE_ENDIAN
2779 g_pollin=$glib_cv_value_POLLIN
2780 g_pollout=$glib_cv_value_POLLOUT
2781 g_pollpri=$glib_cv_value_POLLPRI
2782 g_pollhup=$glib_cv_value_POLLHUP
2783 g_pollerr=$glib_cv_value_POLLERR
2784 g_pollnval=$glib_cv_value_POLLNVAL
2786 g_stack_grows=$glib_cv_stack_grows
2788 g_have_eilseq=$have_eilseq
2790 case x$have_threads in
2791 xno) g_enable_threads_def="#undef";;
2792 *) g_enable_threads_def="#define";;
2795 g_threads_impl_def=$g_threads_impl
2797 g_mutex_has_default="$mutex_has_default"
2798 g_mutex_sizeof="$glib_cv_sizeof_gmutex"
2799 g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
2800 g_mutex_contents="$glib_cv_byte_contents_gmutex"
2802 g_memory_barrier_needed="$glib_memory_barrier_needed"
2804 g_module_suffix="$glib_gmodule_suffix"
2806 g_pid_type="$glib_pid_type"
2809 glib_os="#define G_OS_BEOS"
2812 glib_os="#define G_OS_UNIX
2813 #define G_PLATFORM_WIN32
2814 #define G_WITH_CYGWIN"
2817 glib_os="#define G_OS_WIN32
2818 #define G_PLATFORM_WIN32"
2821 glib_os="#define G_OS_UNIX"
2828 glib-2.0-uninstalled.pc
2830 gmodule-export-2.0.pc
2831 gmodule-no-export-2.0.pc
2832 gmodule-2.0-uninstalled.pc
2833 gmodule-no-export-2.0-uninstalled.pc
2835 gthread-2.0-uninstalled.pc
2837 gobject-2.0-uninstalled.pc
2842 build/win32/Makefile
2843 build/win32/dirent/Makefile
2844 build/win32/vs8/Makefile
2846 glib/libcharset/Makefile
2847 glib/gnulib/Makefile
2849 gmodule/gmoduleconf.h
2851 gobject/glib-mkenums
2855 docs/reference/Makefile
2856 docs/reference/glib/Makefile
2857 docs/reference/glib/version.xml
2858 docs/reference/gobject/Makefile
2859 docs/reference/gobject/version.xml
2861 tests/gobject/Makefile
2862 tests/refcount/Makefile
2866 AC_CONFIG_COMMANDS([chmod-scripts],
2867 [chmod 0755 glib-zip
2868 chmod 0755 glib-gettextize
2869 chmod 0755 gobject/glib-mkenums])
2871 # we want to invoke this macro solely so that the config.status script
2872 # and automake generated makefiles know about these generated files.
2873 # They are only needed to distcheck the package
2882 gmodule/makefile.msc
2884 gobject/makefile.msc
2886 gthread/makefile.msc