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
1017 AC_MSG_CHECKING([for nl_langinfo (CODESET)])
1018 AC_TRY_COMPILE([#include <langinfo.h>],
1019 [char *codeset = nl_langinfo (CODESET);],
1020 AC_DEFINE(HAVE_CODESET,1,[Have nl_langinfo (CODESET)])
1023 AC_MSG_RESULT($have_codeset)
1026 dnl ****************************************
1027 dnl *** posix_memalign ***
1028 dnl ****************************************
1029 AC_MSG_CHECKING(for a compliant posix_memalign() implementation)
1030 AC_CACHE_VAL(glib_cv_compliant_posix_memalign,[
1031 glib_cv_compliant_posix_memalign=0
1032 if test "$ac_cv_func_posix_memalign" = "yes" ; then
1034 #define _XOPEN_SOURCE 600
1035 #include <stdlib.h> /* posix_memalign() should be defined here */
1036 /* some systems break if #include <malloc.h> used */
1037 static void test_memalign (size_t boundary, size_t size) {
1039 if (posix_memalign (&mem, boundary, size) != 0 || !mem)
1045 test_memalign ( 128, 128 - 2 * sizeof (void*));
1046 test_memalign ( 256, 256 - 2 * sizeof (void*));
1047 test_memalign ( 512, 512 - 2 * sizeof (void*));
1048 test_memalign ( 1024, 1024 - 2 * sizeof (void*));
1049 test_memalign ( 2048, 2048 - 2 * sizeof (void*));
1050 test_memalign ( 4096, 4096 - 2 * sizeof (void*));
1051 test_memalign ( 8192, 8192 - 2 * sizeof (void*));
1052 test_memalign (16384, 16384 - 2 * sizeof (void*));
1053 test_memalign (32768, 32768 - 2 * sizeof (void*));
1054 exit (0); /* success */
1057 [glib_cv_compliant_posix_memalign=1], [], [:])
1061 if test "$glib_cv_compliant_posix_memalign" = "1"; then
1063 AC_DEFINE(POSIX_MEMALIGN_WITH_COMPLIANT_ALLOCS, 1, [define if posix_memalign() can allocate any size])
1069 dnl ****************************************
1070 dnl *** strlcpy/strlcat ***
1071 dnl ****************************************
1073 AC_CACHE_CHECK([for OpenBSD strlcpy/strlcat],glib_cv_have_strlcpy,[
1074 AC_TRY_RUN([#include <stdlib.h>
1078 (void) strlcpy (p, "hi", 10);
1079 if (strlcat (p, "bye", 0) != 3)
1082 }], glib_cv_have_strlcpy=yes,
1083 glib_cv_have_strlcpy=no,
1084 glib_cv_have_strlcpy=no)])
1085 if test "$glib_cv_have_strlcpy" = "yes"; then
1086 AC_DEFINE(HAVE_STRLCPY,1,[Have functions strlcpy and strlcat])
1090 dnl **********************
1091 dnl *** va_copy checks ***
1092 dnl **********************
1093 dnl we currently check for all three va_copy possibilities, so we get
1094 dnl all results in config.log for bug reports.
1095 AC_CACHE_CHECK([for an implementation of va_copy()],glib_cv_va_copy,[
1096 AC_LINK_IFELSE([#include <stdarg.h>
1098 void f (int i, ...) {
1099 va_list args1, args2;
1100 va_start (args1, i);
1101 va_copy (args2, args1);
1102 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1104 va_end (args1); va_end (args2);
1110 [glib_cv_va_copy=yes],
1111 [glib_cv_va_copy=no])
1113 AC_CACHE_CHECK([for an implementation of __va_copy()],glib_cv___va_copy,[
1114 AC_LINK_IFELSE([#include <stdarg.h>
1116 void f (int i, ...) {
1117 va_list args1, args2;
1118 va_start (args1, i);
1119 __va_copy (args2, args1);
1120 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1122 va_end (args1); va_end (args2);
1128 [glib_cv___va_copy=yes],
1129 [glib_cv___va_copy=no])
1132 if test "x$glib_cv_va_copy" = "xyes"; then
1133 g_va_copy_func=va_copy
1134 else if test "x$glib_cv___va_copy" = "xyes"; then
1135 g_va_copy_func=__va_copy
1139 if test -n "$g_va_copy_func"; then
1140 AC_DEFINE_UNQUOTED(G_VA_COPY,$g_va_copy_func,[A 'va_copy' style function])
1143 AC_CACHE_CHECK([whether va_lists can be copied by value],glib_cv_va_val_copy,[
1144 AC_TRY_RUN([#include <stdarg.h>
1146 void f (int i, ...) {
1147 va_list args1, args2;
1148 va_start (args1, i);
1150 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1152 va_end (args1); va_end (args2);
1158 [glib_cv_va_val_copy=yes],
1159 [glib_cv_va_val_copy=no],
1160 [glib_cv_va_val_copy=yes])
1163 if test "x$glib_cv_va_val_copy" = "xno"; then
1164 AC_DEFINE(G_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
1167 dnl ***********************
1168 dnl *** g_module checks ***
1169 dnl ***********************
1171 G_MODULE_LIBS_EXTRA=
1172 G_MODULE_PLUGIN_LIBS=
1173 if test x"$glib_native_win32" = xyes; then
1174 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)
1315 shrext_cmds=`./libtool --config | grep '^shrext_cmds='`
1317 module=yes eval std_shrext=$shrext_cmds
1318 # chop the initial dot
1319 glib_gmodule_suffix=`echo $std_shrext | sed 's/^\.//'`
1320 AC_MSG_RESULT(.$glib_gmodule_suffix)
1321 # any reason it may fail?
1322 if test "x$glib_gmodule_suffix" = x; then
1323 AC_MSG_ERROR(Cannot determine shared library suffix from libtool)
1326 AC_SUBST(G_MODULE_SUPPORTED)
1327 AC_SUBST(G_MODULE_IMPL)
1328 AC_SUBST(G_MODULE_LIBS)
1329 AC_SUBST(G_MODULE_LIBS_EXTRA)
1330 AC_SUBST(G_MODULE_PLUGIN_LIBS)
1331 AC_SUBST(G_MODULE_LDFLAGS)
1332 AC_SUBST(G_MODULE_HAVE_DLERROR)
1333 AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
1334 AC_SUBST(G_MODULE_NEED_USCORE)
1335 AC_SUBST(GLIB_DEBUG_FLAGS)
1337 dnl **********************
1338 dnl *** g_spawn checks ***
1339 dnl **********************
1341 AC_MSG_CHECKING(for gspawn implementation)
1344 GSPAWN=gspawn-win32.lo
1350 AC_MSG_RESULT($GSPAWN)
1353 dnl *************************
1354 dnl *** GIOChannel checks ***
1355 dnl *************************
1357 AC_MSG_CHECKING(for GIOChannel implementation)
1369 dnl ****************************************
1370 dnl *** platform dependent source checks ***
1371 dnl ****************************************
1373 AC_MSG_CHECKING(for platform-dependent source)
1375 *-*-cygwin*|*-*-mingw*)
1376 PLATFORMDEP=gwin32.lo
1382 AC_MSG_RESULT($PLATFORMDEP)
1383 AC_SUBST(PLATFORMDEP)
1385 AC_MSG_CHECKING([whether to compile timeloop])
1387 *-*-cygwin*|*-*-mingw*|*-*-minix)
1394 AC_MSG_RESULT($enable_timeloop)
1395 AM_CONDITIONAL(ENABLE_TIMELOOP, test x$enable_timeloop = xyes)
1397 AC_MSG_CHECKING([if building for some Win32 platform])
1399 *-*-mingw*|*-*-cygwin*)
1406 AC_MSG_RESULT($platform_win32)
1407 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
1409 dnl ***********************
1410 dnl *** g_thread checks ***
1411 dnl ***********************
1413 AC_ARG_WITH(threads,
1414 [AC_HELP_STRING([--with-threads=@<:@none/posix/dce/win32@:>@],
1415 [specify a thread implementation to use])],
1416 [if test "x$with_threads" = x; then
1419 want_threads=$with_threads
1422 if test "x$enable_threads" = "xno"; then
1426 dnl error and warning message
1427 dnl *************************
1429 THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
1430 computer. GLib will not have a default thread implementation."
1432 FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
1433 platform (normally it's "_REENTRANT"). I'll not use any flag on
1434 compilation now, but then your programs might not work.
1435 Please provide information on how it is done on your system."
1437 LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
1440 LIBS_NOT_FOUND_2=". Please choose another thread implementation or
1441 provide information on your thread implementation.
1442 You can also run 'configure --disable-threads'
1443 to compile without thread support."
1445 FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
1446 functions will not be MT-safe during their first call because
1447 there is no working 'getpwuid_r' on your system."
1449 FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
1450 because there is no 'localtime_r' on your system."
1452 POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
1453 crude surrogate will be used. If you happen to know a
1454 yield function for your system, please inform the GLib
1457 POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for
1458 threads on your system. Thus threads can only have the default
1459 priority. If you happen to know these main/max
1460 priorities, please inform the GLib developers."
1462 AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when
1463 linking threaded applications. As GLib cannot do that
1464 automatically, you will get an linkg error everytime you are
1465 not using the right compiler. In that case you have to relink
1466 with the right compiler. Ususally just '_r' is appended
1467 to the compiler name."
1469 dnl determination of thread implementation
1470 dnl ***************************************
1472 # have_threads=no means no thread support
1473 # have_threads=none means no default thread implementation
1476 if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
1477 || test "x$want_threads" = xdce; then
1478 # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
1479 # -U_OSF_SOURCE is for Digital UNIX 4.0d
1480 GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
1481 glib_save_CPPFLAGS="$CPPFLAGS"
1482 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1483 if test "x$have_threads" = xno; then
1484 AC_TRY_COMPILE([#include <pthread.h>],
1485 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1488 if test "x$have_threads" = xno; then
1489 AC_TRY_COMPILE([#include <pthread.h>],
1491 pthread_mutex_init (&m, pthread_mutexattr_default);],
1494 # Tru64Unix requires -pthread to find pthread.h. See #103020
1495 CPPFLAGS="$CPPFLAGS -pthread"
1496 if test "x$have_threads" = xno; then
1497 AC_TRY_COMPILE([#include <pthread.h>],
1498 [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;],
1501 CPPFLAGS="$glib_save_CPPFLAGS"
1503 if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then
1510 if test "x$want_threads" = xnone; then
1514 AC_MSG_CHECKING(for thread implementation)
1516 if test "x$have_threads" = xno && test "x$want_threads" != xno; then
1517 AC_MSG_RESULT(none available)
1518 AC_MSG_WARN($THREAD_NO_IMPLEMENTATION)
1520 AC_MSG_RESULT($have_threads)
1524 dnl determination of G_THREAD_CFLAGS
1525 dnl ********************************
1528 G_THREAD_LIBS_EXTRA=
1532 dnl Test program for basic POSIX threads functionality
1534 m4_define([glib_thread_test],[
1535 #include <pthread.h>
1537 void* func(void* data) {check_me = 42; return &check_me;}
1541 pthread_create (&t, $1, func, 0);
1542 pthread_join (t, &ret);
1543 return (check_me != 42 || ret != &check_me);
1547 dnl Test program for sched_get_priority_min()
1549 m4_define([glib_sched_priority_test],[
1554 return sched_get_priority_min(SCHED_OTHER)==-1
1558 if test x"$have_threads" != xno; then
1560 if test x"$have_threads" = xposix; then
1561 # First we test for posix, whether -pthread or -pthreads do the trick as
1562 # both CPPFLAG and LIBS.
1563 # One of them does for most gcc versions and some other platforms/compilers
1564 # too and could be considered as the canonical way to go.
1566 *-*-cygwin*|*-*-darwin*)
1567 # skip cygwin and darwin -pthread or -pthreads test
1570 # These compiler/linker flags work with both Sun Studio and gcc
1571 # Sun Studio expands -mt to -D_REENTRANT and -lthread
1572 # gcc expands -pthreads to -D_REENTRANT -D_PTHREADS -lpthread
1573 G_THREAD_CFLAGS="-D_REENTRANT -D_PTHREADS"
1574 G_THREAD_LIBS="-lpthread -lthread"
1577 for flag in pthread pthreads mt; do
1578 glib_save_CFLAGS="$CFLAGS"
1579 CFLAGS="$CFLAGS -$flag"
1580 AC_TRY_RUN(glib_thread_test(0),
1581 glib_flag_works=yes,
1583 [AC_LINK_IFELSE(glib_thread_test(0),
1584 glib_flag_works=yes,
1585 glib_flag_works=no)])
1586 CFLAGS="$glib_save_CFLAGS"
1587 if test $glib_flag_works = yes ; then
1588 G_THREAD_CFLAGS=-$flag
1589 G_THREAD_LIBS=-$flag
1597 if test x"$G_THREAD_CFLAGS" = x; then
1599 # The canonical -pthread[s] does not work. Try something different.
1603 if test x"$GCC" = xyes; then
1604 # GCC 3.0 and above needs -pthread.
1605 # Should be coverd by the case above.
1606 # GCC 2.x and below needs -mthreads
1607 G_THREAD_CFLAGS="-mthreads"
1608 G_THREAD_LIBS=$G_THREAD_CFLAGS
1610 # We are probably using the aix compiler. Normaly a
1611 # program would have to be compiled with the _r variant
1612 # of the corresponding compiler, but we as GLib cannot
1613 # do that: but the good news is that for compiling the
1614 # only difference is the added -D_THREAD_SAFE compile
1615 # option. This is according to the "C for AIX User's
1617 G_THREAD_CFLAGS="-D_THREAD_SAFE"
1621 G_THREAD_CFLAGS="-D_REENTRANT -D_POSIX4A_DRAFT10_SOURCE"
1624 # So we are using dce threads. posix threads are already
1626 G_THREAD_CFLAGS="-threads"
1627 G_THREAD_LIBS=$G_THREAD_CFLAGS
1629 *-sysv5uw7*) # UnixWare 7
1630 # We are not using gcc with -pthread. Catched above.
1631 G_THREAD_CFLAGS="-Kthread"
1632 G_THREAD_LIBS=$G_THREAD_CFLAGS
1635 # No flag needed when using MSVCRT.DLL
1639 G_THREAD_CFLAGS="-D_REENTRANT" # good default guess otherwise
1645 # if we are not finding the localtime_r function, then we probably are
1646 # not using the proper multithread flag
1648 glib_save_CPPFLAGS="$CPPFLAGS"
1649 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1651 # First we test, whether localtime_r is declared in time.h
1652 # directly. Then we test whether a macro localtime_r exists, in
1653 # which case localtime_r in the test program is replaced and thus
1654 # if we still find localtime_r in the output, it is not defined as
1657 AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>], ,
1658 [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>
1660 AC_MSG_WARN($FLAG_DOES_NOT_WORK))])
1662 CPPFLAGS="$glib_save_CPPFLAGS"
1664 AC_MSG_CHECKING(thread related cflags)
1665 AC_MSG_RESULT($G_THREAD_CFLAGS)
1666 CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1669 dnl determination of G_THREAD_LIBS
1670 dnl ******************************
1672 mutex_has_default=no
1673 case $have_threads in
1675 glib_save_CPPFLAGS="$CPPFLAGS"
1676 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1677 if test x"$G_THREAD_LIBS" = x; then
1680 # We are not using gcc (would have set G_THREAD_LIBS) and thus
1681 # probably using the aix compiler.
1682 AC_MSG_WARN($AIX_COMPILE_INFO)
1686 glib_save_LIBS="$LIBS"
1687 for thread_lib in "" pthread pthread32 pthreads thread dce; do
1688 if test x"$thread_lib" = x; then
1692 add_thread_lib="-l$thread_lib"
1693 IN=" in -l$thread_lib"
1695 if test x"$have_threads" = xposix; then
1698 defattr=pthread_attr_default
1701 LIBS="$add_thread_lib $glib_save_LIBS"
1703 AC_MSG_CHECKING(for pthread_create/pthread_join$IN)
1704 AC_TRY_RUN(glib_thread_test($defattr),
1707 [AC_LINK_IFELSE(glib_thread_test($defattr),
1710 AC_MSG_RESULT($glib_result)
1712 if test "$glib_result" = "yes" ; then
1713 G_THREAD_LIBS="$add_thread_lib"
1717 if test "x$G_THREAD_LIBS" = xerror; then
1718 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1720 LIBS="$glib_save_LIBS"
1725 glib_save_LIBS="$LIBS"
1726 for thread_lib in "" rt rte; do
1727 if test x"$thread_lib" = x; then
1731 add_thread_lib="-l$thread_lib"
1732 IN=" in -l$thread_lib"
1734 LIBS="$add_thread_lib $glib_save_LIBS"
1736 AC_MSG_CHECKING(for sched_get_priority_min$IN)
1737 AC_TRY_RUN(glib_sched_priority_test,
1740 [AC_LINK_IFELSE(glib_sched_priority_test,
1743 AC_MSG_RESULT($glib_result)
1745 if test "$glib_result" = "yes" ; then
1746 G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
1747 posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
1748 posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
1752 LIBS="$glib_save_LIBS"
1753 mutex_has_default=yes
1754 mutex_default_type='pthread_mutex_t'
1755 mutex_default_init='PTHREAD_MUTEX_INITIALIZER'
1756 mutex_header_file='pthread.h'
1757 if test "x$have_threads" = "xposix"; then
1758 g_threads_impl="POSIX"
1760 g_threads_impl="DCE"
1761 have_threads="posix"
1763 AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
1764 CPPFLAGS="$glib_save_CPPFLAGS"
1767 g_threads_impl="WIN32"
1770 g_threads_impl="NONE"
1773 g_threads_impl="NONE"
1778 if test "x$G_THREAD_LIBS" = xerror; then
1779 AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1784 G_THREAD_LIBS="-lbe -lroot -lglib-2.0 "
1785 G_THREAD_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1791 AC_MSG_CHECKING(thread related libraries)
1792 AC_MSG_RESULT($G_THREAD_LIBS)
1794 dnl check for mt safe function variants and some posix functions
1795 dnl ************************************************************
1797 if test x"$have_threads" != xno; then
1798 glib_save_LIBS="$LIBS"
1799 # we are not doing the following for now, as this might require glib
1800 # to always be linked with the thread libs on some platforms.
1801 # LIBS="$LIBS $G_THREAD_LIBS"
1802 AC_CHECK_FUNCS(localtime_r)
1803 if test "$ac_cv_header_pwd_h" = "yes"; then
1804 AC_CACHE_CHECK([for posix getpwuid_r],
1805 ac_cv_func_posix_getpwuid_r,
1811 struct passwd pwd, *pwptr = &pwd;
1814 error = getpwuid_r (0, &pwd, buffer,
1815 sizeof (buffer), &pwptr);
1816 return (error < 0 && errno == ENOSYS)
1819 [ac_cv_func_posix_getpwuid_r=yes],
1820 [ac_cv_func_posix_getpwuid_r=no])])
1821 GLIB_ASSERT_SET(ac_cv_func_posix_getpwuid_r)
1822 if test "$ac_cv_func_posix_getpwuid_r" = yes; then
1823 AC_DEFINE(HAVE_POSIX_GETPWUID_R,1,
1824 [Have POSIX function getpwuid_r])
1826 AC_CACHE_CHECK([for nonposix getpwuid_r],
1827 ac_cv_func_nonposix_getpwuid_r,
1828 [AC_TRY_LINK([#include <pwd.h>],
1829 [char buffer[10000];
1831 getpwuid_r (0, &pwd, buffer,
1833 [ac_cv_func_nonposix_getpwuid_r=yes],
1834 [ac_cv_func_nonposix_getpwuid_r=no])])
1835 GLIB_ASSERT_SET(ac_cv_func_nonposix_getpwuid_r)
1836 if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then
1837 AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1,
1838 [Have non-POSIX function getpwuid_r])
1842 LIBS="$G_THREAD_LIBS $LIBS"
1843 if test x"$have_threads" = xposix; then
1844 glib_save_CPPFLAGS="$CPPFLAGS"
1845 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1846 dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
1847 GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
1848 # This is not AC_CHECK_FUNC to also work with function
1849 # name mangling in header files.
1850 AC_MSG_CHECKING(for pthread_attr_setstacksize)
1851 AC_TRY_LINK([#include <pthread.h>],
1852 [pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
1854 AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
1855 [Have function pthread_attr_setstacksize])],
1856 [AC_MSG_RESULT(no)])
1857 AC_MSG_CHECKING(for minimal/maximal thread priority)
1858 if test x"$posix_priority_min" = x; then
1859 AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
1861 posix_priority_min=PX_PRIO_MIN
1862 posix_priority_max=PX_PRIO_MAX])
1864 if test x"$posix_priority_min" = x; then
1866 AC_EGREP_CPP(PTHREAD_PRIO_MIN,[#include <pthread.h>
1867 PTHREAD_PRIO_MIN],,[
1868 posix_priority_min=PTHREAD_PRIO_MIN
1869 posix_priority_max=PTHREAD_PRIO_MAX])
1871 if test x"$posix_priority_min" = x; then
1872 AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
1874 posix_priority_min=PRI_OTHER_MIN
1875 posix_priority_max=PRI_OTHER_MAX])
1877 if test x"$posix_priority_min" = x; then
1878 AC_MSG_RESULT(none found)
1879 AC_MSG_WARN($POSIX_NO_PRIORITIES)
1880 posix_priority_min=-1
1881 posix_priority_max=-1
1883 AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
1884 AC_MSG_CHECKING(for pthread_setschedparam)
1885 AC_TRY_LINK([#include <pthread.h>],
1886 [pthread_t t; pthread_setschedparam(t, 0, NULL)],
1888 AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
1889 AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])],
1891 AC_MSG_WARN($POSIX_NO_PRIORITIES)])
1893 posix_yield_func=none
1894 AC_MSG_CHECKING(for posix yield function)
1895 for yield_func in sched_yield pthread_yield_np pthread_yield \
1897 AC_TRY_LINK([#include <pthread.h>],
1899 [posix_yield_func="$yield_func"
1902 if test x"$posix_yield_func" = xnone; then
1903 AC_MSG_RESULT(none found)
1904 AC_MSG_WARN($POSIX_NO_YIELD)
1905 posix_yield_func="g_usleep(1000)"
1907 AC_MSG_RESULT($posix_yield_func)
1908 posix_yield_func="$posix_yield_func()"
1910 AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
1911 CPPFLAGS="$glib_save_CPPFLAGS"
1913 elif test x"$have_threads" = xwin32; then
1914 # It's a pointer to a private struct
1915 GLIB_SIZEOF(,struct _GThreadData *, system_thread)
1918 LIBS="$glib_save_LIBS"
1920 # now spit out all the warnings.
1921 if test "$ac_cv_func_posix_getpwuid_r" != "yes" &&
1922 test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then
1923 AC_MSG_WARN($FUNC_NO_GETPWUID_R)
1925 if test "$ac_cv_func_localtime_r" != "yes"; then
1926 AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
1930 if test x"$glib_cv_sizeof_system_thread" = x; then
1931 # use a pointer as a fallback.
1932 GLIB_SIZEOF(,void *, system_thread)
1936 # Hack to deal with:
1938 # a) GCC < 3.3 for Linux doesn't include -lpthread when
1939 # building shared libraries with linux.
1943 G_THREAD_LIBS_FOR_GTHREAD="`echo $G_THREAD_LIBS | sed s/-pthread/-lpthread/`"
1946 G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS"
1950 AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c",
1951 [Source file containing theread implementation])
1952 AC_SUBST(G_THREAD_CFLAGS)
1953 AC_SUBST(G_THREAD_LIBS)
1954 AC_SUBST(G_THREAD_LIBS_FOR_GTHREAD)
1955 AC_SUBST(G_THREAD_LIBS_EXTRA)
1957 dnl **********************************************
1958 dnl *** GDefaultMutex setup and initialization ***
1959 dnl **********************************************
1961 dnl if mutex_has_default = yes, we also got
1962 dnl mutex_default_type, mutex_default_init and mutex_header_file
1963 if test $mutex_has_default = yes ; then
1964 glib_save_CPPFLAGS="$CPPFLAGS"
1965 glib_save_LIBS="$LIBS"
1966 LIBS="$G_THREAD_LIBS $LIBS"
1967 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1968 GLIB_SIZEOF([#include <$mutex_header_file>],
1969 $mutex_default_type,
1971 GLIB_BYTE_CONTENTS([#include <$mutex_header_file>],
1972 $mutex_default_type,
1974 $glib_cv_sizeof_gmutex,
1975 $mutex_default_init)
1976 if test x"$glib_cv_byte_contents_gmutex" = xno; then
1977 mutex_has_default=no
1979 CPPFLAGS="$glib_save_CPPFLAGS"
1980 LIBS="$glib_save_LIBS"
1983 AC_CHECK_FUNCS(clock_gettime, [], [
1984 AC_CHECK_LIB(rt, clock_gettime, [
1985 AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
1990 AC_CACHE_CHECK(for monotonic clocks,
1991 glib_cv_monotonic_clock,AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
1995 #if !(defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 && defined(CLOCK_MONOTONIC))
1996 #error No monotonic clock
2000 ]])],glib_cv_monotonic_clock=yes,glib_cv_monotonic_clock=no))
2001 if test "$glib_cv_monotonic_clock" = "yes"; then
2002 AC_DEFINE(HAVE_MONOTONIC_CLOCK,1,[Have a monotonic clock])
2006 dnl ********************************
2007 dnl *** g_atomic_* tests for gcc ***
2008 dnl ********************************
2010 AC_MSG_CHECKING([whether to use assembler code for atomic operations])
2012 if test x"$GCC" = xyes; then
2015 AC_MSG_RESULT([none])
2016 glib_memory_barrier_needed=no
2019 AC_MSG_RESULT([i486])
2020 AC_DEFINE_UNQUOTED(G_ATOMIC_I486, 1,
2021 [i486 atomic implementation])
2022 glib_memory_barrier_needed=no
2025 SPARCV9_WARNING="Try to rerun configure with CFLAGS='-mcpu=v9',
2026 when you are using a sparc with v9 instruction set (most
2027 sparcs nowadays). This will make the code for atomic
2028 operations much faster. The resulting code will not run
2029 on very old sparcs though."
2034 int tmp1, tmp2, tmp3;
2035 __asm__ __volatile__("casx [%2], %0, %1"
2036 : "=&r" (tmp1), "=&r" (tmp2) : "r" (&tmp3));
2038 AC_MSG_RESULT([sparcv9])
2039 AC_DEFINE_UNQUOTED(G_ATOMIC_SPARCV9, 1,
2040 [sparcv9 atomic implementation]),
2042 AC_MSG_WARN([[$SPARCV9_WARNING]]))
2043 glib_memory_barrier_needed=yes
2046 AC_MSG_RESULT([alpha])
2047 AC_DEFINE_UNQUOTED(G_ATOMIC_ALPHA, 1,
2048 [alpha atomic implementation])
2049 glib_memory_barrier_needed=yes
2052 AC_MSG_RESULT([x86_64])
2053 AC_DEFINE_UNQUOTED(G_ATOMIC_X86_64, 1,
2054 [x86_64 atomic implementation])
2055 glib_memory_barrier_needed=no
2058 AC_MSG_RESULT([powerpc])
2059 AC_DEFINE_UNQUOTED(G_ATOMIC_POWERPC, 1,
2060 [powerpc atomic implementation])
2061 glib_memory_barrier_needed=yes
2064 AC_MSG_RESULT([ia64])
2065 AC_DEFINE_UNQUOTED(G_ATOMIC_IA64, 1,
2066 [ia64 atomic implementation])
2067 glib_memory_barrier_needed=yes
2070 AC_MSG_RESULT([s390])
2071 AC_DEFINE_UNQUOTED(G_ATOMIC_S390, 1,
2072 [s390 atomic implementation])
2073 glib_memory_barrier_needed=no
2076 AC_MSG_RESULT([none])
2077 glib_memory_barrier_needed=yes
2082 dnl ****************************************
2083 dnl *** GLib POLL* compatibility defines ***
2084 dnl ****************************************
2086 glib_poll_includes=["
2087 #include <sys/types.h>
2088 #include <sys/poll.h>
2091 if test $ac_cv_header_sys_types_h = yes &&
2092 test $ac_cv_header_sys_poll_h = yes ; then
2094 GLIB_CHECK_VALUE(POLLIN, $glib_poll_includes, glib_failed=true)
2095 GLIB_CHECK_VALUE(POLLOUT, $glib_poll_includes, glib_failed=true)
2096 GLIB_CHECK_VALUE(POLLPRI, $glib_poll_includes, glib_failed=true)
2097 GLIB_CHECK_VALUE(POLLERR, $glib_poll_includes, glib_failed=true)
2098 GLIB_CHECK_VALUE(POLLHUP, $glib_poll_includes, glib_failed=true)
2099 GLIB_CHECK_VALUE(POLLNVAL, $glib_poll_includes, glib_failed=true)
2100 if $glib_failed ; then
2101 AC_MSG_ERROR([Could not determine values for POLL* constants])
2104 glib_cv_value_POLLIN=1
2105 glib_cv_value_POLLOUT=4
2106 glib_cv_value_POLLPRI=2
2107 glib_cv_value_POLLERR=8
2108 glib_cv_value_POLLHUP=16
2109 glib_cv_value_POLLNVAL=32
2112 AC_MSG_CHECKING([for broken poll])
2113 AC_RUN_IFELSE([AC_LANG_SOURCE([[
2117 #ifdef HAVE_SYS_POLL_H
2118 #include <sys/poll.h>
2121 struct pollfd fds[1];
2123 fd = open("/dev/null", 1);
2125 fds[0].events = POLLIN;
2127 if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
2128 exit(1); /* Does not work for devices -- fail */
2134 AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])],
2135 [broken_poll="no (cross compiling)"])
2136 AC_MSG_RESULT($broken_poll)
2138 dnl **********************
2139 dnl *** Win32 API libs ***
2140 dnl **********************
2144 G_LIBS_EXTRA="-luser32 -lkernel32"
2147 G_LIBS_EXTRA="-lws2_32 -lole32"
2153 AC_SUBST(G_LIBS_EXTRA)
2155 dnl If the system doesn't define EILSEQ, we should define EILSEQ ourselves
2156 dnl since we need it for g_iconv()
2158 AC_MSG_CHECKING([for EILSEQ])
2164 ], have_eilseq=yes, have_eilseq=no);
2165 AC_MSG_RESULT($have_eilseq)
2167 dnl ******************************************************************
2168 dnl *** Look for glib-genmarshal in PATH if we are cross-compiling ***
2169 dnl ******************************************************************
2171 AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
2173 if test $cross_compiling = yes; then
2174 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal, no)
2175 if test x$GLIB_GENMARSHAL = xno; then
2176 AC_MSG_ERROR(Could not find a glib-genmarshal in your PATH)
2180 dnl **************************
2181 dnl *** Checks for gtk-doc ***
2182 dnl **************************
2184 GTK_DOC_CHECK([1.4])
2187 [AC_HELP_STRING([--enable-man],
2188 [regenerate man pages from Docbook [default=no]])],enable_man=yes,
2191 if test "${enable_man}" != no; then
2193 dnl Check for xsltproc
2195 AC_PATH_PROG([XSLTPROC], [xsltproc])
2196 if test -z "$XSLTPROC"; then
2200 dnl check for DocBook DTD and stylesheets in the local catalog.
2201 JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
2202 [DocBook XML DTD V4.1.2],,enable_man=no)
2203 JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
2204 [DocBook XSL Stylesheets],,enable_man=no)
2207 AM_CONDITIONAL(ENABLE_MAN, test x$enable_man != xno)
2209 dnl ******************************
2210 dnl *** output the whole stuff ***
2211 dnl ******************************
2213 dnl this section will only be run if config.status is invoked with no
2214 dnl arguments, or with "glibconfig.h" as an argument.
2215 AC_CONFIG_COMMANDS([glibconfig.h],
2217 outfile=glibconfig.h-tmp
2218 cat > $outfile <<\_______EOF
2221 * This is a generated file. Please modify 'configure.in'
2224 #ifndef __G_LIBCONFIG_H__
2225 #define __G_LIBCONFIG_H__
2227 #include <glib/gmacros.h>
2231 if test x$glib_limits_h = xyes; then
2232 echo '#include <limits.h>' >> $outfile
2234 if test x$glib_float_h = xyes; then
2235 echo '#include <float.h>' >> $outfile
2237 if test x$glib_values_h = xyes; then
2238 echo '#include <values.h>' >> $outfile
2240 if test "$glib_header_alloca_h" = "yes"; then
2241 echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile
2243 if test x$glib_sys_poll_h = xyes; then
2244 echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile
2247 cat >> $outfile <<_______EOF
2251 #define G_MINFLOAT $glib_mf
2252 #define G_MAXFLOAT $glib_Mf
2253 #define G_MINDOUBLE $glib_md
2254 #define G_MAXDOUBLE $glib_Md
2255 #define G_MINSHORT $glib_ms
2256 #define G_MAXSHORT $glib_Ms
2257 #define G_MAXUSHORT $glib_Mus
2258 #define G_MININT $glib_mi
2259 #define G_MAXINT $glib_Mi
2260 #define G_MAXUINT $glib_Mui
2261 #define G_MINLONG $glib_ml
2262 #define G_MAXLONG $glib_Ml
2263 #define G_MAXULONG $glib_Mul
2268 ### this should always be true in a modern C/C++ compiler
2269 cat >>$outfile <<_______EOF
2270 typedef signed char gint8;
2271 typedef unsigned char guint8;
2275 if test -n "$gint16"; then
2276 cat >>$outfile <<_______EOF
2277 typedef signed $gint16 gint16;
2278 typedef unsigned $gint16 guint16;
2279 #define G_GINT16_MODIFIER $gint16_modifier
2280 #define G_GINT16_FORMAT $gint16_format
2281 #define G_GUINT16_FORMAT $guint16_format
2286 if test -n "$gint32"; then
2287 cat >>$outfile <<_______EOF
2288 typedef signed $gint32 gint32;
2289 typedef unsigned $gint32 guint32;
2290 #define G_GINT32_MODIFIER $gint32_modifier
2291 #define G_GINT32_FORMAT $gint32_format
2292 #define G_GUINT32_FORMAT $guint32_format
2296 cat >>$outfile <<_______EOF
2297 #define G_HAVE_GINT64 1 /* deprecated, always true */
2299 ${glib_extension}typedef signed $gint64 gint64;
2300 ${glib_extension}typedef unsigned $gint64 guint64;
2302 #define G_GINT64_CONSTANT(val) $gint64_constant
2303 #define G_GUINT64_CONSTANT(val) $guint64_constant
2306 if test x$gint64_format != x ; then
2307 cat >>$outfile <<_______EOF
2308 #define G_GINT64_MODIFIER $gint64_modifier
2309 #define G_GINT64_FORMAT $gint64_format
2310 #define G_GUINT64_FORMAT $guint64_format
2313 cat >>$outfile <<_______EOF
2314 #undef G_GINT64_MODIFIER
2315 #undef G_GINT64_FORMAT
2316 #undef G_GUINT64_FORMAT
2320 cat >>$outfile <<_______EOF
2322 #define GLIB_SIZEOF_VOID_P $glib_void_p
2323 #define GLIB_SIZEOF_LONG $glib_long
2324 #define GLIB_SIZEOF_SIZE_T $glib_size_t
2328 cat >>$outfile <<_______EOF
2329 typedef signed $glib_size_type_define gssize;
2330 typedef unsigned $glib_size_type_define gsize;
2331 #define G_GSIZE_MODIFIER $gsize_modifier
2332 #define G_GSSIZE_FORMAT $gssize_format
2333 #define G_GSIZE_FORMAT $gsize_format
2335 #define G_MAXSIZE G_MAXU$glib_msize_type
2338 if test -z "$glib_unknown_void_p"; then
2339 cat >>$outfile <<_______EOF
2341 #define GPOINTER_TO_INT(p) ((gint) ${glib_gpi_cast} (p))
2342 #define GPOINTER_TO_UINT(p) ((guint) ${glib_gpui_cast} (p))
2344 #define GINT_TO_POINTER(i) ((gpointer) ${glib_gpi_cast} (i))
2345 #define GUINT_TO_POINTER(u) ((gpointer) ${glib_gpui_cast} (u))
2348 echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
2353 cat >>$outfile <<_______EOF
2362 #define G_HAVE_INLINE 1
2363 #else /* !__cplusplus */
2365 #endif /* !__cplusplus */
2368 #define G_CAN_INLINE 1
2371 if test x$g_can_inline = xyes ; then
2372 cat >>$outfile <<_______EOF
2373 #else /* !__cplusplus */
2374 #define G_CAN_INLINE 1
2378 cat >>$outfile <<_______EOF
2383 if test x$g_have_iso_c_varargs = xyes ; then
2384 cat >>$outfile <<_______EOF
2386 # define G_HAVE_ISO_VARARGS 1
2390 if test x$g_have_iso_cxx_varargs = xyes ; then
2391 cat >>$outfile <<_______EOF
2393 # define G_HAVE_ISO_VARARGS 1
2397 if test x$g_have_gnuc_varargs = xyes ; then
2398 cat >>$outfile <<_______EOF
2400 /* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
2401 * is passed ISO vararg support is turned off, and there is no work
2402 * around to turn it on, so we unconditionally turn it off.
2404 #if __GNUC__ == 2 && __GNUC_MINOR__ == 95
2405 # undef G_HAVE_ISO_VARARGS
2408 #define G_HAVE_GNUC_VARARGS 1
2412 case x$g_stack_grows in
2413 xyes) echo "#define G_HAVE_GROWING_STACK 1" >>$outfile ;;
2414 *) echo "#define G_HAVE_GROWING_STACK 0" >>$outfile ;;
2419 if test x$g_have_eilseq = xno; then
2420 cat >>$outfile <<_______EOF
2422 /* On some systems, like SunOS and NetBSD, EILSEQ is not defined.
2423 * The correspondence between this and the corresponding definition
2424 * in libiconv is essential.
2426 # define EILSEQ ENOENT
2432 if test x$g_have_gnuc_visibility = xyes ; then
2433 cat >>$outfile <<_______EOF
2434 #define G_HAVE_GNUC_VISIBILITY 1
2435 #define G_GNUC_INTERNAL __attribute__((visibility("hidden")))
2438 cat >>$outfile <<_______EOF
2439 #define G_GNUC_INTERNAL
2445 if test x$g_mutex_has_default = xyes; then
2446 cat >>$outfile <<_______EOF
2447 $g_enable_threads_def G_THREADS_ENABLED
2448 #define G_THREADS_IMPL_$g_threads_impl_def
2449 typedef struct _GStaticMutex GStaticMutex;
2450 struct _GStaticMutex
2452 struct _GMutex *runtime_mutex;
2454 char pad[[$g_mutex_sizeof]];
2455 double dummy_double;
2456 void *dummy_pointer;
2460 #define G_STATIC_MUTEX_INIT { NULL, { { $g_mutex_contents} } }
2461 #define g_static_mutex_get_mutex(mutex) \\
2462 (g_thread_use_default_impl ? ((GMutex*) ((mutex)->static_mutex.pad)) : \\
2463 g_static_mutex_get_mutex_impl_shortcut (&((mutex)->runtime_mutex)))
2466 cat >>$outfile <<_______EOF
2467 $g_enable_threads_def G_THREADS_ENABLED
2468 #define G_THREADS_IMPL_$g_threads_impl_def
2469 typedef struct _GMutex* GStaticMutex;
2470 #define G_STATIC_MUTEX_INIT NULL
2471 #define g_static_mutex_get_mutex(mutex) \\
2472 (g_static_mutex_get_mutex_impl_shortcut (mutex))
2476 cat >>$outfile <<_______EOF
2477 /* This represents a system thread as used by the implementation. An
2478 * alien implementaion, as loaded by g_thread_init can only count on
2479 * "sizeof (gpointer)" bytes to store their info. We however need more
2480 * for some of our native implementations. */
2481 typedef union _GSystemThread GSystemThread;
2482 union _GSystemThread
2484 char data[[$g_system_thread_sizeof]];
2485 double dummy_double;
2486 void *dummy_pointer;
2490 if test x"$g_memory_barrier_needed" != xno; then
2492 echo "#define G_ATOMIC_OP_MEMORY_BARRIER_NEEDED 1" >>$outfile
2496 g_bit_sizes="16 32 64"
2497 for bits in $g_bit_sizes; do
2498 cat >>$outfile <<_______EOF
2499 #define GINT${bits}_TO_${g_bs_native}(val) ((gint${bits}) (val))
2500 #define GUINT${bits}_TO_${g_bs_native}(val) ((guint${bits}) (val))
2501 #define GINT${bits}_TO_${g_bs_alien}(val) ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val))
2502 #define GUINT${bits}_TO_${g_bs_alien}(val) (GUINT${bits}_SWAP_LE_BE (val))
2506 cat >>$outfile <<_______EOF
2507 #define GLONG_TO_LE(val) ((glong) GINT${glongbits}_TO_LE (val))
2508 #define GULONG_TO_LE(val) ((gulong) GUINT${glongbits}_TO_LE (val))
2509 #define GLONG_TO_BE(val) ((glong) GINT${glongbits}_TO_BE (val))
2510 #define GULONG_TO_BE(val) ((gulong) GUINT${glongbits}_TO_BE (val))
2511 #define GINT_TO_LE(val) ((gint) GINT${gintbits}_TO_LE (val))
2512 #define GUINT_TO_LE(val) ((guint) GUINT${gintbits}_TO_LE (val))
2513 #define GINT_TO_BE(val) ((gint) GINT${gintbits}_TO_BE (val))
2514 #define GUINT_TO_BE(val) ((guint) GUINT${gintbits}_TO_BE (val))
2515 #define G_BYTE_ORDER $g_byte_order
2517 #define GLIB_SYSDEF_POLLIN =$g_pollin
2518 #define GLIB_SYSDEF_POLLOUT =$g_pollout
2519 #define GLIB_SYSDEF_POLLPRI =$g_pollpri
2520 #define GLIB_SYSDEF_POLLHUP =$g_pollhup
2521 #define GLIB_SYSDEF_POLLERR =$g_pollerr
2522 #define GLIB_SYSDEF_POLLNVAL =$g_pollnval
2524 #define G_MODULE_SUFFIX "$g_module_suffix"
2526 typedef $g_pid_type GPid;
2530 #endif /* GLIBCONFIG_H */
2534 if cmp -s $outfile glibconfig.h; then
2535 AC_MSG_NOTICE([glibconfig.h is unchanged])
2538 mv $outfile glibconfig.h
2542 # Note that if two cases are the same, case goes with the first one.
2543 # Note also that this is inside an AC_OUTPUT_COMMAND. We do not depend
2544 # on variable expansion in case labels. Look at the generated config.status
2547 if test "x${ac_cv_working_alloca_h+set}" = xset ; then
2548 glib_header_alloca_h="$ac_cv_working_alloca_h"
2550 glib_header_alloca_h="$ac_cv_header_alloca_h"
2554 x$ac_cv_header_float_h)
2556 glib_mf=FLT_MIN glib_Mf=FLT_MAX
2557 glib_md=DBL_MIN glib_Md=DBL_MAX
2559 x$ac_cv_header_values_h)
2561 glib_mf=MINFLOAT glib_Mf=MAXFLOAT
2562 glib_md=MINDOUBLE glib_Md=MAXDOUBLE
2567 x$ac_cv_header_limits_h)
2569 glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX
2570 glib_mi=INT_MIN glib_Mi=INT_MAX glib_Mui=UINT_MAX
2571 glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX
2573 x$ac_cv_header_values_h)
2575 glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)"
2576 glib_mi=MININT glib_Mi=MAXINT glib_Mui="(((guint)G_MAXINT)*2+1)"
2577 glib_ml=MINLONG glib_Ml=MAXLONG glib_Mul="(((gulong)G_MAXLONG)*2+1)"
2581 if test x$ac_cv_header_sys_poll_h = xyes ; then
2586 $ac_cv_sizeof_short)
2588 gint16_modifier='"h"'
2589 gint16_format='"hi"'
2590 guint16_format='"hu"'
2594 gint16_modifier='""'
2596 guint16_format='"u"'
2600 $ac_cv_sizeof_short)
2602 gint32_modifier='"h"'
2603 gint32_format='"hi"'
2604 guint32_format='"hu"'
2608 gint32_modifier='""'
2610 guint32_format='"u"'
2614 gint32_modifier='"l"'
2615 gint32_format='"li"'
2616 guint32_format='"lu"'
2622 gint64_modifier='""'
2624 guint64_format='"u"'
2626 gint64_constant='(val)'
2627 guint64_constant='(val)'
2631 gint64_modifier='"l"'
2632 gint64_format='"li"'
2633 guint64_format='"lu"'
2635 gint64_constant='(val##L)'
2636 guint64_constant='(val##UL)'
2638 $ac_cv_sizeof_long_long)
2640 if test -n "$glib_cv_long_long_format"; then
2641 gint64_modifier='"'$glib_cv_long_long_format'"'
2642 gint64_format='"'$glib_cv_long_long_format'i"'
2643 guint64_format='"'$glib_cv_long_long_format'u"'
2645 glib_extension='G_GNUC_EXTENSION '
2646 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
2647 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
2649 $ac_cv_sizeof___int64)
2651 if test -n "$glib_cv_long_long_format"; then
2652 gint64_modifier='"'$glib_cv_long_long_format'"'
2653 gint64_format='"'$glib_cv_long_long_format'i"'
2654 guint64_format='"'$glib_cv_long_long_format'u"'
2657 gint64_constant='(val##i64)'
2658 guint64_constant='(val##ui64)'
2661 glib_size_t=$ac_cv_sizeof_size_t
2662 glib_size_type_define=$glib_size_type
2663 glib_void_p=$ac_cv_sizeof_long
2664 glib_long=$ac_cv_sizeof_void_p
2666 case $glib_size_type in
2668 gsize_modifier='"h"'
2670 gssize_format='"hi"'
2671 glib_msize_type='SHRT'
2677 glib_msize_type='INT'
2680 gsize_modifier='"l"'
2682 gssize_format='"li"'
2683 glib_msize_type='LONG'
2687 gintbits=`expr $ac_cv_sizeof_int \* 8`
2688 glongbits=`expr $ac_cv_sizeof_long \* 8`
2691 case $ac_cv_sizeof_void_p in
2692 $ac_cv_sizeof_int) glib_gpi_cast='' glib_gpui_cast='' ;;
2693 $ac_cv_sizeof_long) glib_gpi_cast='(glong)' glib_gpui_cast='(gulong)' ;;
2694 *) glib_unknown_void_p=yes ;;
2699 x$ac_cv_func_atexit)
2701 #ifdef NeXT /* @#%@! NeXTStep */
2702 # define g_ATEXIT(proc) (!atexit (proc))
2704 # define g_ATEXIT(proc) (atexit (proc))
2707 x$ac_cv_func_on_exit)
2709 #define g_ATEXIT(proc) (on_exit ((void (*)(int, void*))(proc), NULL))"
2714 x$ac_cv_func_memmove)
2716 #define g_memmove(dest,src,len) G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END'
2718 x$glib_cv_working_bcopy)
2720 /* memmove isn't available, but bcopy can copy overlapping memory regions */
2721 #define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END"
2725 /* memmove isn't found and bcopy can't copy overlapping memory regions,
2726 * so we have to roll our own copy routine. */
2727 void g_memmove (void* dest, const void * src, unsigned long len);"
2732 #define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION
2733 #define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION
2734 #define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION
2738 x$glib_cv_va_copy) glib_vacopy='#define G_VA_COPY va_copy' ;;
2739 x$glib_cv___va_copy) glib_vacopy='#define G_VA_COPY __va_copy' ;;
2743 if test x$glib_cv_va_val_copy = xno; then
2744 glib_vacopy="\$glib_vacopy
2745 #define G_VA_COPY_AS_ARRAY 1"
2748 if test x$glib_cv_hasinline = xyes; then
2749 glib_inline='#define G_HAVE_INLINE 1'
2751 if test x$glib_cv_has__inline = xyes; then
2752 glib_inline="\$glib_inline
2753 #define G_HAVE___INLINE 1"
2755 if test x$glib_cv_has__inline__ = xyes; then
2756 glib_inline="\$glib_inline
2757 #define G_HAVE___INLINE__ 1"
2760 g_have_gnuc_varargs=$g_have_gnuc_varargs
2761 g_have_iso_c_varargs=$g_have_iso_c_varargs
2762 g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs
2764 g_can_inline=$g_can_inline
2765 g_have_gnuc_visibility=$g_have_gnuc_visibility
2768 x$ac_cv_c_bigendian)
2769 g_byte_order=G_BIG_ENDIAN
2774 g_byte_order=G_LITTLE_ENDIAN
2780 g_pollin=$glib_cv_value_POLLIN
2781 g_pollout=$glib_cv_value_POLLOUT
2782 g_pollpri=$glib_cv_value_POLLPRI
2783 g_pollhup=$glib_cv_value_POLLHUP
2784 g_pollerr=$glib_cv_value_POLLERR
2785 g_pollnval=$glib_cv_value_POLLNVAL
2787 g_stack_grows=$glib_cv_stack_grows
2789 g_have_eilseq=$have_eilseq
2791 case x$have_threads in
2792 xno) g_enable_threads_def="#undef";;
2793 *) g_enable_threads_def="#define";;
2796 g_threads_impl_def=$g_threads_impl
2798 g_mutex_has_default="$mutex_has_default"
2799 g_mutex_sizeof="$glib_cv_sizeof_gmutex"
2800 g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
2801 g_mutex_contents="$glib_cv_byte_contents_gmutex"
2803 g_memory_barrier_needed="$glib_memory_barrier_needed"
2805 g_module_suffix="$glib_gmodule_suffix"
2807 g_pid_type="$glib_pid_type"
2810 glib_os="#define G_OS_BEOS"
2813 glib_os="#define G_OS_UNIX
2814 #define G_PLATFORM_WIN32
2815 #define G_WITH_CYGWIN"
2818 glib_os="#define G_OS_WIN32
2819 #define G_PLATFORM_WIN32"
2822 glib_os="#define G_OS_UNIX"
2829 glib-2.0-uninstalled.pc
2831 gmodule-export-2.0.pc
2832 gmodule-no-export-2.0.pc
2833 gmodule-2.0-uninstalled.pc
2834 gmodule-no-export-2.0-uninstalled.pc
2836 gthread-2.0-uninstalled.pc
2838 gobject-2.0-uninstalled.pc
2843 build/win32/Makefile
2844 build/win32/dirent/Makefile
2845 build/win32/vs8/Makefile
2847 glib/libcharset/Makefile
2848 glib/gnulib/Makefile
2850 gmodule/gmoduleconf.h
2852 gobject/glib-mkenums
2856 docs/reference/Makefile
2857 docs/reference/glib/Makefile
2858 docs/reference/glib/version.xml
2859 docs/reference/gobject/Makefile
2860 docs/reference/gobject/version.xml
2862 tests/gobject/Makefile
2863 tests/refcount/Makefile
2867 AC_CONFIG_COMMANDS([chmod-scripts],
2868 [chmod 0755 glib-zip
2869 chmod 0755 glib-gettextize
2870 chmod 0755 gobject/glib-mkenums])
2872 # we want to invoke this macro solely so that the config.status script
2873 # and automake generated makefiles know about these generated files.
2874 # They are only needed to distcheck the package
2883 gmodule/makefile.msc
2885 gobject/makefile.msc
2887 gthread/makefile.msc