Always call GLIB_SIZEOF(..., system_thread). Fixes #65624.
[platform/upstream/glib.git] / configure.in
1 dnl ***********************************
2 dnl *** include special GLib macros ***
3 dnl ***********************************
4 builtin(include, acglib.m4)dnl
5 builtin(include, glib/libcharset/codeset.m4)dnl
6 builtin(include, glib/libcharset/glibc21.m4)dnl
7
8 # require autoconf 2.13
9 AC_PREREQ(2.13)
10
11 # Process this file with autoconf to produce a configure script.
12 AC_INIT(glib/glib.h)
13
14 # Save this value here, since automake will set cflags later
15 cflags_set=${CFLAGS+set}
16
17 # we rewrite this file
18 rm -f glibconfig-sysdefs.h
19
20 GLIB_AC_DIVERT_BEFORE_HELP([
21 #
22 # The following version number definitions apply to GLib, GModule, GObject 
23 # and GThread as a whole, so if changes occoured in any of them, they are all
24 # treated with the same interface and binary age.
25 #
26 # Making releases:
27 #   GLIB_MICRO_VERSION += 1;
28 #   GLIB_INTERFACE_AGE += 1;
29 #   GLIB_BINARY_AGE += 1;
30 # if any functions have been added, set GLIB_INTERFACE_AGE to 0.
31 # if backwards compatibility has been broken,
32 # set GLIB_BINARY_AGE _and_ GLIB_INTERFACE_AGE to 0.
33 #
34 GLIB_MAJOR_VERSION=1
35 GLIB_MINOR_VERSION=3
36 GLIB_MICRO_VERSION=11
37 GLIB_INTERFACE_AGE=0
38 GLIB_BINARY_AGE=0
39 GLIB_VERSION=$GLIB_MAJOR_VERSION.$GLIB_MINOR_VERSION.$GLIB_MICRO_VERSION
40 ])dnl
41
42 AC_SUBST(GLIB_MAJOR_VERSION)
43 AC_SUBST(GLIB_MINOR_VERSION)
44 AC_SUBST(GLIB_MICRO_VERSION)
45 AC_SUBST(GLIB_VERSION)
46 AC_SUBST(GLIB_INTERFACE_AGE)
47 AC_SUBST(GLIB_BINARY_AGE)
48
49 # libtool versioning
50 LT_RELEASE=$GLIB_MAJOR_VERSION.$GLIB_MINOR_VERSION
51 LT_CURRENT=`expr $GLIB_MICRO_VERSION - $GLIB_INTERFACE_AGE`
52 LT_REVISION=$GLIB_INTERFACE_AGE
53 LT_AGE=`expr $GLIB_BINARY_AGE - $GLIB_INTERFACE_AGE`
54 LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
55 AC_SUBST(LT_RELEASE)
56 AC_SUBST(LT_CURRENT)
57 AC_SUBST(LT_REVISION)
58 AC_SUBST(LT_AGE)
59 AC_SUBST(LT_CURRENT_MINUS_AGE)
60
61 VERSION=$GLIB_VERSION
62 PACKAGE=glib
63
64 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
65
66 # Specify a configuration file
67 AM_CONFIG_HEADER(config.h)
68
69 AC_DEFINE_UNQUOTED(GLIB_MAJOR_VERSION, $GLIB_MAJOR_VERSION,
70                    [Define to the GLIB major version])
71 AC_DEFINE_UNQUOTED(GLIB_MINOR_VERSION, $GLIB_MINOR_VERSION,
72                    [Define to the GLIB minor version])
73 AC_DEFINE_UNQUOTED(GLIB_MICRO_VERSION, $GLIB_MICRO_VERSION,
74                    [Define to the GLIB micro version])
75 AC_DEFINE_UNQUOTED(GLIB_INTERFACE_AGE, $GLIB_INTERFACE_AGE,
76                    [Define to the GLIB interface age])
77 AC_DEFINE_UNQUOTED(GLIB_BINARY_AGE, $GLIB_BINARY_AGE,
78                    [Define to the GLIB binary age])
79
80 dnl Initialize maintainer mode
81 AM_MAINTAINER_MODE
82
83 AC_CANONICAL_HOST
84
85 AC_MSG_CHECKING(for the BeOS)
86 case $host in
87   *-*-beos*)
88     glib_native_beos="yes"
89     ;;
90   *)
91     glib_native_beos="no"
92     ;;
93 esac
94 AC_MSG_RESULT([$glib_native_beos])
95
96 dnl
97
98 AC_MSG_CHECKING([for Win32])
99 case "$host" in
100   *-*-mingw*)
101     glib_native_win32=yes
102     G_LIB_WIN32_RESOURCE=glib-win32res.lo
103     G_MODULE_WIN32_RESOURCE=gmodule-win32res.lo
104     G_OBJECT_WIN32_RESOURCE=gobject-win32res.lo
105     G_THREAD_WIN32_RESOURCE=gthread-win32res.lo
106     GLIB_DEF=glib.def
107     GMODULE_DEF=gmodule.def
108     GOBJECT_DEF=gobject.def
109     GTHREAD_DEF=gthread.def
110     TESTGMODULE_EXP=testgmodule.exp
111     ;;
112   *)
113     glib_native_win32=no
114     G_LIB_WIN32_RESOURCE=
115     G_MODULE_WIN32_RESOURCE=
116     G_OBJECT_WIN32_RESOURCE=
117     G_THREAD_WIN32_RESOURCE=
118     GLIB_DEF=
119     GMODULE_DEF=
120     GOBJECT_DEF=
121     GTHREAD_DEF=
122     TESTGMODULE_EXP=
123     ;;
124 esac
125 AC_MSG_RESULT([$glib_native_win32])
126 AM_CONDITIONAL(OS_WIN32, test "$glib_native_win32" = "yes")
127 AC_SUBST(G_LIB_WIN32_RESOURCE)
128 AC_SUBST(G_MODULE_WIN32_RESOURCE)
129 AC_SUBST(G_OBJECT_WIN32_RESOURCE)
130 AC_SUBST(G_THREAD_WIN32_RESOURCE)
131 AC_SUBST(GLIB_DEF)
132 AC_SUBST(GMODULE_DEF)
133 AC_SUBST(GOBJECT_DEF)
134 AC_SUBST(GTHREAD_DEF)
135 AC_SUBST(TESTGMODULE_EXP)
136
137 if test "$glib_native_win32" = "yes"; then
138   AC_CHECK_PROG(ms_librarian, lib.exe, yes, no)
139 fi
140 AM_CONDITIONAL(MS_LIB_AVAILABLE, test x$ms_librarian = xyes)
141
142 GLIB_AC_DIVERT_BEFORE_HELP([
143 # figure debugging default, prior to $ac_help setup
144 case $GLIB_MINOR_VERSION in
145 *[[13579]]) debug_default=yes ;;
146 *)          debug_default=minimum ;;
147 esac[]dnl
148 ])
149
150 dnl declare --enable-* args and collect ac_help strings
151 AC_ARG_ENABLE(debug, [  --enable-debug=[no/minimum/yes] turn on debugging [default=$debug_default]],,enable_debug=$debug_default)
152 AC_ARG_ENABLE(gc_friendly, [  --enable-gc-friendly    turn on garbage collector friendliness [default=no]],,enable_gc_friendly=no)
153 AC_ARG_ENABLE(mem_pools, [  --disable-mem-pools     disable all glib memory pools],,disable_mem_pools=no)
154 AC_ARG_ENABLE(ansi, [  --enable-ansi           turn on strict ansi [default=no]],
155                     , enable_ansi=no)
156 AC_ARG_ENABLE(threads, [  --enable-threads        turn on basic thread support [default=yes]
157                           ([=no] will override --with-threads)],,enable_threads=yes)
158 AC_ARG_ENABLE(rebuilds, [  --disable-rebuilds      disable all source autogeneration rules],,enable_rebuilds=yes)
159
160 if test "x$enable_threads" != "xyes"; then
161   enable_threads=no
162 fi
163
164 AC_DEFINE_UNQUOTED(G_COMPILED_WITH_DEBUGGING, "${enable_debug}",
165         [Whether glib was compiled with debugging enabled])
166
167 AC_MSG_CHECKING(whether to enable garbage collector friendliness)
168 if test "x$enable_gc_friendly" = "xyes"; then
169   AC_DEFINE(ENABLE_GC_FRIENDLY, 1, [Whether to enable GC friendliness])
170   AC_SUBST(ENABLE_GC_FRIENDLY)
171   AC_MSG_RESULT(yes)
172 else
173   AC_MSG_RESULT(no)
174 fi
175
176 AC_MSG_CHECKING(whether to disable memory pools)
177 if test "x$disable_mem_pools" = "xno"; then
178   AC_MSG_RESULT(no)
179 else
180   AC_DEFINE(DISABLE_MEM_POOLS, 1, [Whether to disable memory pools])
181   AC_SUBST(DISABLE_MEM_POOLS)
182   AC_MSG_RESULT(yes)
183 fi
184
185 dnl Checks for programs.
186 AC_PROG_CC
187
188 dnl Check for a working C++ compiler, but do not bail out, if none is found.
189 AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++ cl, gcc)
190 AC_LANG_SAVE
191 AC_LANG_CPLUSPLUS
192 AC_TRY_COMPILE(,[class a { int b; } c;], ,CXX=)
193 AM_CONDITIONAL(HAVE_CXX, test "$CXX" != "")
194 AC_LANG_RESTORE
195
196 AM_PROG_CC_STDC
197 AC_PROG_INSTALL
198
199 #
200 # Find pkg-config
201 #
202 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
203 if test x$PKG_CONFIG = xno ; then
204   AC_MSG_ERROR([*** pkg-config not found. See http://www.freedesktop.org/software/pkgconfig/])
205 fi
206
207 if pkg-config --atleast-pkgconfig-version 0.5 ; then
208   :
209 else
210   AC_MSG_ERROR([*** pkg-config too old; version 0.5 or better required.])
211 fi
212
213 if test "x$enable_debug" = "xyes"; then
214   if test x$cflags_set != xset ; then
215       case " $CFLAGS " in
216       *[[\ \    ]]-g[[\ \       ]]*) ;;
217       *) CFLAGS="$CFLAGS -g" ;;
218       esac
219   fi
220         
221   GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
222 else
223   if test "x$enable_debug" = "xno"; then
224     GLIB_DEBUG_FLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
225   fi
226 fi
227
228 # Ensure -fnative-struct is used when compiling for Win32
229 if test "x$glib_native_win32" = "xyes"; then
230   if test "x$GCC" = "xyes"; then
231     case " $CFLAGS " in
232     *[[\ \      ]]-fnative-struct[[\ \  ]]*) ;;
233     *) CFLAGS="$CFLAGS -fnative-struct" ;;
234     esac
235   fi
236 fi
237
238 AC_CYGWIN
239 AC_EXEEXT
240
241 # define a MAINT-like variable REBUILD which is set if Perl
242 # and awk are found, so autogenerated sources can be rebuilt
243 AC_PROG_AWK
244 AC_CHECK_PROGS(PERL, perl5 perl)
245 # We would like indent, but don't require it.
246 AC_CHECK_PROG(INDENT, indent, indent)
247 REBUILD=\#
248 if test "x$enable_rebuilds" = "xyes" && \
249      test -n "$PERL" && \
250      $PERL -e 'exit !($] >= 5.002)' > /dev/null 2>&1 && \
251      test -n "$AWK" ; then
252   REBUILD=
253 fi
254 AC_SUBST(REBUILD)
255
256 # Need full path to Perl for glib-mkenums
257 #
258 if test "x$PERL" != x ; then
259   AC_PATH_PROG(PERL_PATH, $PERL)
260 else
261   PERL_PATH="/usr/bin/env perl"
262 fi
263 AC_SUBST(PERL_PATH)
264
265 dnl
266 dnl gettext support
267 dnl
268
269 ALL_LINGUAS="az ca de es eu fr gl ja nl nn no ro ru sk sl sv ta tr uk zh_CN zh_TW"
270 AM_GLIB_GNU_GETTEXT
271
272 if test "$gt_cv_func_dgettext_libc" = "yes" || test "$gt_cv_func_dgettext_libintl" = "yes"; then
273   :
274 else
275   AC_MSG_ERROR([
276 *** You must have either have gettext support in your C library, or use the 
277 *** GNU gettext library. (http://www.gnu.org/software/gettext/gettext.html
278 ])
279 fi
280
281 LIBS="$LIBS $INTLLIBS"
282
283 GETTEXT_PACKAGE=glib20
284 AC_SUBST(GETTEXT_PACKAGE)
285 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE")
286
287 # AM_GLIB_GNU_GETTEXT above substs $DATADIRNAME
288 # this is the directory where the *.{mo,gmo} files are installed
289 GLIB_LOCALE_DIR="${prefix}/${DATADIRNAME}/locale"
290 AC_DEFINE_UNQUOTED(GLIB_LOCALE_DIR,"$GLIB_LOCALE_DIR")
291
292 dnl Initialize libtool
293 AC_LIBTOOL_WIN32_DLL
294 AM_PROG_LIBTOOL
295
296 if test "x$GCC" = "xyes"; then
297   case " $CFLAGS " in
298   *[[\ \        ]]-Wall[[\ \    ]]*) ;;
299   *) CFLAGS="$CFLAGS -Wall" ;;
300   esac
301
302   if test "x$enable_ansi" = "xyes"; then
303     case " $CFLAGS " in
304     *[[\ \      ]]-ansi[[\ \    ]]*) ;;
305     *) CFLAGS="$CFLAGS -ansi" ;;
306     esac
307
308     case " $CFLAGS " in
309     *[[\ \      ]]-pedantic[[\ \        ]]*) ;;
310     *) CFLAGS="$CFLAGS -pedantic" ;;
311     esac
312   fi
313 fi
314
315 dnl DU4 native cc currently needs -std1 for ANSI mode (instead of K&R)
316 AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
317 glib_save_LIBS=$LIBS
318 LIBS="$LIBS -lm"
319 AC_TRY_RUN([#include <math.h>
320              int main (void) { return (log(1) != log(1.)); }],
321      AC_MSG_RESULT(none needed),
322      glib_save_CFLAGS=$CFLAGS
323      CFLAGS="$CFLAGS -std1"
324      AC_TRY_RUN([#include <math.h>
325                  int main (void) { return (log(1) != log(1.)); }],
326          AC_MSG_RESULT(-std1),
327          AC_MSG_RESULT()
328          CFLAGS=$glib_save_CFLAGS
329          AC_MSG_WARN(
330                 [No ANSI prototypes found in library. (-std1 didn't work.)])
331      )
332 )
333 LIBS=$glib_save_LIBS
334
335 dnl NeXTStep cc seems to need this
336 AC_MSG_CHECKING([for extra flags for POSIX compliance])
337 AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
338   AC_MSG_RESULT(none needed),
339   glib_save_CFLAGS=$CFLAGS
340   CFLAGS="$CFLAGS -posix"
341   AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
342     AC_MSG_RESULT(-posix),
343     AC_MSG_RESULT()
344     CFLAGS=$glib_save_CFLAGS
345     AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))
346
347 # Checks for header files.
348 AC_HEADER_STDC
349
350 # Checks for library functions.
351 AC_FUNC_VPRINTF
352
353 AC_FUNC_ALLOCA
354
355 AC_CHECK_FUNCS(atexit on_exit)
356
357 AC_CHECK_SIZEOF(char)
358 AC_CHECK_SIZEOF(short)
359 AC_CHECK_SIZEOF(long)
360 AC_CHECK_SIZEOF(int)
361 AC_CHECK_SIZEOF(void *)
362 AC_CHECK_SIZEOF(long long)
363 AC_CHECK_SIZEOF(__int64)
364
365 if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then
366   :
367 else
368   AC_MSG_ERROR([
369 *** GLib requires a 64 bit type. You might want to consider
370 *** using the GNU C compiler.
371 ])
372 fi
373
374 if test x$ac_cv_sizeof_long_long = x8; then
375         # long long is a 64 bit integer.
376         AC_MSG_CHECKING(for format to printf and scanf a gint64)
377         AC_CACHE_VAL(glib_cv_long_long_format,[
378                 for format in ll q I64; do
379                   AC_TRY_RUN([#include <stdio.h>  
380                         int main()
381                         {
382                           long long b, a = -0x3AFAFAFAFAFAFAFALL;
383                           char buffer[1000];
384                           sprintf (buffer, "%${format}u", a);
385                           sscanf (buffer, "%${format}u", &b);
386                           exit (b!=a);
387                         }
388                         ],
389                         glib_cv_long_long_format=${format}
390                         break)
391                 done])
392         if test -n "$glib_cv_long_long_format"; then
393           AC_MSG_RESULT(%${glib_cv_long_long_format}u)
394         else
395           AC_MSG_RESULT(none)
396         fi
397 elif test x$ac_cv_sizeof___int64 = x8; then
398         # __int64 is a 64 bit integer.
399         AC_MSG_CHECKING(for format to printf and scanf a gint64)
400         # We know this is MSVC, and what the formats are
401         glib_cv_long_long_format=I64
402         AC_MSG_RESULT(%${glib_cv_long_long_format}u)
403 fi
404
405 dnl long doubles were not used, and a portability problem
406 dnl AC_C_LONG_DOUBLE
407 AC_C_CONST
408
409 dnl ok, here we try to check whether the systems prototypes for
410 dnl malloc and friends actually match the prototypes provided
411 dnl by gmem.h (keep in sync). i currently only know how to check
412 dnl this reliably with gcc (-Werror), improvements for other
413 dnl compilers are apprechiated.
414 SANE_MALLOC_PROTOS=no
415 AC_MSG_CHECKING([if malloc() and friends prototypes are gmem.h compatible])
416 glib_save_CFLAGS=$CFLAGS
417 if test "x$GCC" = "xyes"; then
418   CFLAGS="$CFLAGS -Werror"
419   AC_TRY_COMPILE([#include <stdlib.h>], [
420     void* (*my_calloc_p)  (size_t, size_t) = calloc;
421     void* (*my_malloc_p)  (size_t)         = malloc;
422     void  (*my_free_p)    (void*)          = free;
423     void* (*my_realloc_p) (void*, size_t)  = realloc;
424     my_calloc_p = 0;
425     my_malloc_p = 0;
426     my_free_p = 0;
427     my_realloc_p = 0;
428   ],
429     AC_DEFINE(SANE_MALLOC_PROTOS)
430     SANE_MALLOC_PROTOS=yes)
431 fi
432 AC_MSG_RESULT($SANE_MALLOC_PROTOS)
433 CFLAGS=$glib_save_CFLAGS
434
435
436 dnl AC_C_INLINE is useless to us since it bails out too early, we need to
437 dnl truely know which ones of `inline', `__inline' and `__inline__' are
438 dnl actually supported.
439 AC_CACHE_CHECK([for __inline],glib_cv_has__inline,[
440         AC_TRY_RUN([
441         __inline int foo () { return 0; }
442         int main () { return foo (); }
443         ],
444         glib_cv_has__inline=yes
445         ,
446         glib_cv_has__inline=no
447         ,)
448 ])
449 case x$glib_cv_has__inline in
450 xyes) AC_DEFINE(G_HAVE___INLINE,1,[Have __inline keyword])
451 esac
452 AC_CACHE_CHECK([for __inline__],glib_cv_has__inline__,[
453         AC_TRY_RUN([
454         __inline__ int foo () { return 0; }
455         int main () { return foo (); }
456         ],
457         glib_cv_has__inline__=yes
458         ,
459         glib_cv_has__inline__=no
460         ,)
461 ])
462 case x$glib_cv_has__inline__ in
463 xyes) AC_DEFINE(G_HAVE___INLINE__,1,[Have __inline__ keyword])
464 esac
465 AC_CACHE_CHECK([for inline], glib_cv_hasinline,[
466         AC_TRY_RUN([
467         #undef inline
468         inline int foo () { return 0; }
469         int main () { return foo (); }
470         ],
471         glib_cv_hasinline=yes
472         ,
473         glib_cv_hasinline=no
474         ,)
475 ])
476 case x$glib_cv_hasinline in
477 xyes) AC_DEFINE(G_HAVE_INLINE,1,[Have inline keyword])
478 esac
479
480 # check for flavours of varargs macros
481 AC_MSG_CHECKING(for ISO C99 varargs macros in C)
482 AC_TRY_COMPILE([],[
483 int a(int p1, int p2, int p3);
484 #define call_a(...) a(1,__VA_ARGS__)
485 call_a(2,3);
486 ],g_have_iso_c_varargs=yes,g_have_iso_c_varargs=no)
487 AC_MSG_RESULT($g_have_iso_c_varargs)
488
489 AC_MSG_CHECKING(for ISO C99 varargs macros in C++)
490 if test "$CXX" = ""; then
491 dnl No C++ compiler
492   g_have_iso_cxx_varargs=no
493 else
494   AC_LANG_CPLUSPLUS
495   AC_TRY_COMPILE([],[
496 int a(int p1, int p2, int p3);
497 #define call_a(...) a(1,__VA_ARGS__)
498 call_a(2,3);
499 ],g_have_iso_cxx_varargs=yes,g_have_iso_cxx_varargs=no)
500   AC_LANG_C
501 fi
502 AC_MSG_RESULT($g_have_iso_cxx_varargs)
503
504 AC_MSG_CHECKING(for GNUC varargs macros)
505 AC_TRY_COMPILE([],[
506 int a(int p1, int p2, int p3);
507 #define call_a(params...) a(1,params)
508 call_a(2,3);
509 ],g_have_gnuc_varargs=yes,g_have_gnuc_varargs=no)
510 AC_MSG_RESULT($g_have_gnuc_varargs)
511
512 # check for bytesex stuff
513 AC_C_BIGENDIAN
514
515 # check for header files
516 AC_CHECK_HEADERS([dirent.h float.h limits.h pwd.h sys/param.h sys/poll.h sys/select.h])
517 AC_CHECK_HEADERS([sys/time.h sys/times.h unistd.h values.h stdint.h sched.h])
518
519 # Checks for libcharset
520 jm_LANGINFO_CODESET
521 jm_GLIBC21
522 AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
523 AC_CHECK_FUNCS(setlocale)
524
525 AC_MSG_CHECKING(whether make is GNU Make)
526 STRIP_BEGIN=
527 STRIP_END=
528 if $ac_make --version 2>/dev/null | grep '^GNU Make ' >/dev/null ; then
529         STRIP_BEGIN='$(strip $(STRIP_DUMMY)'
530         STRIP_END=')'
531         AC_MSG_RESULT(yes)
532 else
533         AC_MSG_RESULT(no)
534 fi
535 STRIP_DUMMY=
536 AC_SUBST(STRIP_DUMMY)
537 AC_SUBST(STRIP_BEGIN)
538 AC_SUBST(STRIP_END)
539
540 # check additional type sizes
541 size_includes=["
542 #include <stdarg.h>
543 #include <stdio.h>
544 #include <ctype.h>
545 #include <string.h>
546 "]
547 if test "x$ac_cv_header_stdint_h" = "xyes"; then
548   size_includes=["$size_includes
549 #include <stdint.h>
550 "]
551 fi
552 if test "x$ac_cv_header_unistd_h" = "xyes"; then
553   size_includes=["$size_includes
554 #include <unistd.h>
555 "]
556 fi
557 GLIB_SIZEOF([$size_includes], size_t, size_t)
558 GLIB_SIZEOF([$size_includes], ptrdiff_t, ptrdiff_t)
559 GLIB_SIZEOF([$size_includes], intmax_t, intmax_t)
560
561 # Check for some functions
562 AC_CHECK_FUNCS(lstat strerror strsignal memmove mkstemp vsnprintf stpcpy strcasecmp strncasecmp poll getcwd nanosleep vasprintf)
563
564 # Check if bcopy can be used for overlapping copies, if memmove isn't found.
565 # The check is borrowed from the PERL Configure script.
566 if test "$ac_cv_func_memmove" != "yes"; then
567   AC_CACHE_CHECK(whether bcopy can handle overlapping copies,
568     glib_cv_working_bcopy,[AC_TRY_RUN([
569       int main() {
570         char buf[128], abc[128], *b;
571         int len, off, align;
572         bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
573         for (align = 7; align >= 0; align--) {
574           for (len = 36; len; len--) {
575             b = buf+align; bcopy(abc, b, len);
576             for (off = 1; off <= len; off++) {
577               bcopy(b, b+off, len); bcopy(b+off, b, len);
578                 if (bcmp(b, abc, len)) return(1);
579             }
580           }
581         }
582         return(0);
583       }],glib_cv_working_bcopy=yes,glib_cv_working_bcopy=no)])
584   if test "$glib_cv_working_bcopy" = "yes"; then
585     AC_DEFINE(HAVE_WORKING_BCOPY,1,[Have a working bcopy])
586   fi
587 fi
588
589 # Check for sys_errlist
590 AC_MSG_CHECKING(for sys_errlist)
591 AC_TRY_LINK(, [
592 extern char *sys_errlist[];
593 extern int sys_nerr;
594 sys_errlist[sys_nerr-1][0] = 0;
595 ], glib_ok=yes, glib_ok=no)
596 AC_MSG_RESULT($glib_ok)
597 if test "$glib_ok" = "no"; then
598     AC_DEFINE(NO_SYS_ERRLIST,1,[global 'sys_errlist' not found])
599 fi
600
601 # Check for sys_siglist
602 AC_MSG_CHECKING(for sys_siglist)
603 AC_TRY_LINK(, [
604 extern char *sys_siglist[];
605 exit (sys_siglist[0]);
606 ], glib_ok=yes, glib_ok=no)
607 AC_MSG_RESULT($glib_ok)
608 if test "$glib_ok" = "no"; then
609     AC_DEFINE(NO_SYS_SIGLIST,1,[global 'sys_siglist' not found])
610 fi
611
612 # Check for sys_siglist decl (see Tue Jan 19 00:44:24 1999 in changelog)
613 AC_MSG_CHECKING(for sys_siglist declaration)
614 AC_TRY_COMPILE([#include <signal.h>], [
615 strlen (sys_siglist[0]);
616 ], glib_ok=yes, glib_ok=no)
617 AC_MSG_RESULT($glib_ok)
618 if test "$glib_ok" = "no"; then
619     AC_DEFINE(NO_SYS_SIGLIST_DECL,1,[global 'sys_siglist' not declared])
620 fi
621
622 # Check if <sys/select.h> needs to be included for fd_set
623 AC_MSG_CHECKING([for fd_set])
624 AC_TRY_COMPILE([#include <sys/types.h>],
625         [fd_set readMask, writeMask;], gtk_ok=yes, gtk_ok=no)
626 if test "$gtk_ok" = "yes"; then
627     AC_MSG_RESULT([yes, found in sys/types.h])
628 else
629     AC_EGREP_HEADER(fd_set, sys/select.h, gtk_ok=yes)
630     if test "$gtk_ok" = "yes"; then
631         # *** FIXME: give it a different name
632         AC_DEFINE(HAVE_SYS_SELECT_H,1,[found fd_set in sys/select.h])
633         AC_MSG_RESULT([yes, found in sys/select.h])
634     else
635         AC_DEFINE(NO_FD_SET,1,[didn't find fd_set])
636         AC_MSG_RESULT(no)
637     fi
638 fi
639
640 dnl *** check for sane realloc() ***
641 AC_CACHE_CHECK([whether realloc (NULL,) will work],glib_cv_sane_realloc,[
642         AC_TRY_RUN([
643         #include <stdlib.h>
644         int main() {
645           return realloc (0, sizeof (int)) == 0;
646         }],
647         [glib_cv_sane_realloc=yes],
648         [glib_cv_sane_realloc=no],
649         [])
650 ])
651 if test x$glib_cv_sane_realloc = xyes; then
652   AC_DEFINE(REALLOC_0_WORKS,1,[whether realloc (NULL,) works])
653 fi
654
655 dnl Check for nl_langinfo and CODESET
656
657 AC_MSG_CHECKING([for nl_langinfo (CODESET)])
658 AC_TRY_COMPILE([#include <langinfo.h>],
659         [char *codeset = nl_langinfo (CODESET);],
660    AC_DEFINE(HAVE_CODESET,1,[Have nl_langinfo (CODESET)])
661    have_codeset=yes,
662    have_codeset=no)
663 AC_MSG_RESULT($have_codeset)
664
665
666 dnl ****************************************
667 dnl *** strlcpy/strlcat                  ***
668 dnl ****************************************
669 # Check for strlcpy
670 AC_MSG_CHECKING(for strlcpy/strlcat)
671 AC_TRY_LINK([#include <stdlib.h>
672 #include <string.h>], [
673 char *p = malloc(10);
674 (void) strlcpy(p, "hi", 10);
675 (void) strlcat(p, "bye", 10);
676 ], glib_ok=yes, glib_ok=no)
677 AC_MSG_RESULT($glib_ok)
678 if test "$glib_ok" = "yes"; then
679     AC_DEFINE(HAVE_STRLCPY,1,[Have functions strlcpy and strlcat])
680 fi
681   
682
683 dnl **********************
684 dnl *** va_copy checks ***
685 dnl **********************
686 dnl we currently check for all three va_copy possibilities, so we get
687 dnl all results in config.log for bug reports.
688 AC_CACHE_CHECK([for an implementation of va_copy()],glib_cv_va_copy,[
689         AC_TRY_RUN([
690         #include <stdarg.h>
691         void f (int i, ...) {
692         va_list args1, args2;
693         va_start (args1, i);
694         va_copy (args2, args1);
695         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
696           exit (1);
697         va_end (args1); va_end (args2);
698         }
699         int main() {
700           f (0, 42);
701           return 0;
702         }],
703         [glib_cv_va_copy=yes],
704         [glib_cv_va_copy=no],
705         [])
706 ])
707 AC_CACHE_CHECK([for an implementation of __va_copy()],glib_cv___va_copy,[
708         AC_TRY_RUN([
709         #include <stdarg.h>
710         void f (int i, ...) {
711         va_list args1, args2;
712         va_start (args1, i);
713         __va_copy (args2, args1);
714         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
715           exit (1);
716         va_end (args1); va_end (args2);
717         }
718         int main() {
719           f (0, 42);
720           return 0;
721         }],
722         [glib_cv___va_copy=yes],
723         [glib_cv___va_copy=no],
724         [])
725 ])
726
727 if test "x$glib_cv_va_copy" = "xyes"; then
728   g_va_copy_func=va_copy
729 else if test "x$glib_cv___va_copy" = "xyes"; then
730   g_va_copy_func=__va_copy
731 fi
732 fi
733
734 if test -n "$g_va_copy_func"; then
735   AC_DEFINE_UNQUOTED(G_VA_COPY,$g_va_copy_func,[A 'va_copy' style function])
736 fi
737
738 AC_CACHE_CHECK([whether va_lists can be copied by value],glib_cv_va_val_copy,[
739         AC_TRY_RUN([
740         #include <stdarg.h>
741         void f (int i, ...) {
742         va_list args1, args2;
743         va_start (args1, i);
744         args2 = args1;
745         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
746           exit (1);
747         va_end (args1); va_end (args2);
748         }
749         int main() {
750           f (0, 42);
751           return 0;
752         }],
753         [glib_cv_va_val_copy=yes],
754         [glib_cv_va_val_copy=no],
755         [])
756 ])
757
758 if test "x$glib_cv_va_val_copy" = "xno"; then
759   AC_DEFINE(G_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
760 fi
761
762 dnl ***********************
763 dnl *** g_module checks ***
764 dnl ***********************
765 G_MODULE_LIBS=
766 G_MODULE_LIBS_EXTRA=
767 G_MODULE_PLUGIN_LIBS=
768 G_MODULE_LDFLAGS=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
769 dnl G_MODULE_IMPL= don't reset, so cmd-line can override
770 G_MODULE_NEED_USCORE=0
771 G_MODULE_BROKEN_RTLD_GLOBAL=0
772 G_MODULE_HAVE_DLERROR=0
773 dnl *** force native WIN32 shared lib loader 
774 if test -z "$G_MODULE_IMPL"; then
775   case "$host" in
776   *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;;
777   esac
778 fi
779 dnl *** dlopen() and dlsym() in system libraries
780 if test -z "$G_MODULE_IMPL"; then
781         AC_CHECK_FUNC(dlopen,
782                       [AC_CHECK_FUNC(dlsym,
783                                      [G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
784                       [])
785 fi
786 dnl *** load_image (BeOS)
787 if test -z "$G_MODULE_IMPL" && test "x$glib_native_beos" = "xyes"; then
788   AC_CHECK_LIB(root, load_image,
789       [G_MODULE_LIBS="-lbe -lroot -lglib"
790       G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
791       G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule"
792       G_MODULE_IMPL=G_MODULE_IMPL_BEOS],
793       [])
794 fi   
795 dnl *** dlopen() and dlsym() in libdl
796 if test -z "$G_MODULE_IMPL"; then
797         AC_CHECK_LIB(dl, dlopen,
798                      [AC_CHECK_LIB(dl, dlsym,
799                                    [G_MODULE_LIBS=-ldl
800                                    G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
801                      [])
802 fi
803 dnl *** NSLinkModule (dyld) in system libraries (Darwin)
804 if test -z "$G_MODULE_IMPL"; then
805         AC_CHECK_FUNC(NSLinkModule,
806                       [G_MODULE_IMPL=G_MODULE_IMPL_DYLD
807                        G_MODULE_NEED_USCORE=1],
808                       [])
809 fi
810 dnl *** shl_load() in libdld (HP-UX)
811 if test -z "$G_MODULE_IMPL"; then
812         AC_CHECK_LIB(dld, shl_load,
813                 [G_MODULE_LIBS=-ldld
814                 G_MODULE_IMPL=G_MODULE_IMPL_DLD],
815                 [])
816 fi
817 dnl *** additional checks for G_MODULE_IMPL_DL
818 if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
819         LIBS_orig="$LIBS"
820         LDFLAGS_orig="$LDFLAGS"
821         LIBS="$LIBS $G_MODULE_LIBS"
822         LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
823 dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
824         AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
825                 glib_cv_rtldglobal_broken,[
826                 AC_TRY_RUN([
827                 #include <dlfcn.h>
828                 #ifndef RTLD_GLOBAL
829                 #define RTLD_GLOBAL 0
830                 #endif
831                 #ifndef RTLD_LAZY
832                 #define RTLD_LAZY 0
833                 #endif
834                 int pthread_create;
835                 int main () {
836                 void *handle, *global, *local;
837                 global = &pthread_create;
838                 handle = dlopen ("libpthread.so", RTLD_GLOBAL | RTLD_LAZY);
839                 if (!handle) return 0;
840                 local = dlsym (handle, "pthread_create");
841                 return global == local;
842                 }],
843                         [glib_cv_rtldglobal_broken=no],
844                         [glib_cv_rtldglobal_broken=yes],
845                         [])
846                 rm -f plugin.c plugin.o plugin.lo
847         ])
848         if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
849                 G_MODULE_BROKEN_RTLD_GLOBAL=1
850         else
851                 G_MODULE_BROKEN_RTLD_GLOBAL=0
852         fi
853 dnl *** check whether we need preceeding underscores
854         AC_CACHE_CHECK([for preceeding underscore in symbols],
855                 glib_cv_uscore,[
856                 AC_TRY_RUN([
857                 #include <dlfcn.h>
858                 int glib_underscore_test (void) { return 42; }
859                 int main() {
860                   void *f1 = (void*)0, *f2 = (void*)0, *handle;
861                   handle = dlopen ((void*)0, 0);
862                   if (handle) {
863                     f1 = dlsym (handle, "glib_underscore_test");
864                     f2 = dlsym (handle, "_glib_underscore_test");
865                   } return (!f2 || f1);
866                 }],
867                         [glib_cv_uscore=yes],
868                         [glib_cv_uscore=no],
869                         [])
870                 rm -f plugin.c plugin.$ac_objext plugin.lo
871         ])
872         if test "x$glib_cv_uscore" = "xyes"; then
873                 G_MODULE_NEED_USCORE=1
874         else
875                 G_MODULE_NEED_USCORE=0
876         fi
877
878         LDFLAGS="$LDFLAGS_orig"
879 dnl *** check for having dlerror()
880         AC_CHECK_FUNC(dlerror,
881                 [G_MODULE_HAVE_DLERROR=1],
882                 [G_MODULE_HAVE_DLERROR=0])
883         LIBS="$LIBS_orig"
884 fi
885 dnl *** done, have we got an implementation?
886 if test -z "$G_MODULE_IMPL"; then
887         G_MODULE_IMPL=0
888         G_MODULE_SUPPORTED=false
889 else
890         G_MODULE_SUPPORTED=true
891 fi
892
893 AC_MSG_CHECKING(for the suffix of shared libraries)
894 case "$host_os" in
895   hpux9* | hpux10* | hpux11*)  # taken from ltconfig
896     glib_gmodule_suffix='sl'
897     ;;
898   cygwin* | mingw*)
899     glib_gmodule_suffix='dll'
900     ;;
901   *)
902     glib_gmodule_suffix='so'    
903     ;;
904 esac
905 AC_MSG_RESULT(.$glib_gmodule_suffix)
906  
907 AC_SUBST(G_MODULE_SUPPORTED)
908 AC_SUBST(G_MODULE_IMPL)
909 AC_SUBST(G_MODULE_LIBS)
910 AC_SUBST(G_MODULE_LIBS_EXTRA)
911 AC_SUBST(G_MODULE_PLUGIN_LIBS)
912 AC_SUBST(G_MODULE_LDFLAGS)
913 AC_SUBST(G_MODULE_HAVE_DLERROR)
914 AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
915 AC_SUBST(G_MODULE_NEED_USCORE)
916 AC_SUBST(GLIB_DEBUG_FLAGS)
917
918 dnl **********************
919 dnl *** g_spawn checks ***
920 dnl **********************
921
922 AC_MSG_CHECKING(for gspawn implementation)
923 case "$host" in
924   *-*-mingw*)
925     GSPAWN=gspawn-win32.lo
926     ;;
927   *)
928     GSPAWN=gspawn.lo
929     ;;    
930 esac
931 AC_MSG_RESULT($GSPAWN)
932 AC_SUBST(GSPAWN)
933
934 dnl *************************
935 dnl *** GIOChannel checks ***
936 dnl *************************
937
938 AC_MSG_CHECKING(for GIOChannel implementation)
939 case "$host" in
940   *-*-mingw*)
941     GIO=giowin32.lo
942     ;;
943   *)
944     GIO=giounix.lo
945     ;;    
946 esac
947 AC_MSG_RESULT($GIO)
948 AC_SUBST(GIO)
949
950 dnl ****************************************
951 dnl *** platform dependent source checks ***
952 dnl ****************************************
953
954 AC_MSG_CHECKING(for platform-dependent source)
955 case "$host" in
956   *-*-cygwin*|*-*-mingw*)
957     PLATFORMDEP=gwin32.lo
958     ;;
959   *)
960     PLATFORMDEP=
961     ;;    
962 esac
963 AC_MSG_RESULT($PLATFORMDEP)
964 AC_SUBST(PLATFORMDEP)
965
966 AC_MSG_CHECKING([whether to compile timeloop])
967 case "$host" in
968   *-*-cygwin*|*-*-mingw*)
969     enable_timeloop=no
970     ;;
971   *)
972     enable_timeloop=yes
973     ;;    
974 esac
975 AC_MSG_RESULT($enable_timeloop)
976 AM_CONDITIONAL(ENABLE_TIMELOOP, test x$enable_timeloop = xyes)
977
978 AC_MSG_CHECKING([if building for some Win32 platform])
979 case "$host" in
980   *-*-mingw*|*-*-cygwin*)
981     platform_win32=yes
982     ;;
983   *)
984     platform_win32=no
985     ;;
986 esac
987 AC_MSG_RESULT($platform_win32)
988 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
989
990 dnl ***********************
991 dnl *** g_thread checks ***
992 dnl ***********************
993
994 AC_ARG_WITH(threads, [  --with-threads=[none/posix/dce/solaris/win32] specify a thread implementation to use],
995         if test "x$with_threads" = x; then
996                 want_threads=yes
997         else
998                 want_threads=$with_threads
999         fi,
1000         want_threads=yes)
1001 if test "x$enable_threads" = "xno"; then
1002         want_threads=no
1003 fi
1004
1005 dnl error and warning message
1006 dnl *************************
1007
1008 THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
1009                 computer. GLib will not have a default thread implementation."
1010
1011 FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
1012                 platform (normally it's "_REENTRANT"). I'll not use any flag on
1013                 compilation now, but then your programs might not work.
1014                 Please provide information on how it is done on your system."
1015
1016 LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
1017                 "
1018
1019 LIBS_NOT_FOUND_2=". Please choose another thread implementation or
1020                 provide information on your thread implementation.
1021                 You can also run 'configure --disable-threads' 
1022                 to compile without thread support."
1023
1024 FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
1025                 functions will not be MT-safe during their first call because
1026                 there is no working 'getpwuid_r' on your system."
1027
1028 FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
1029                 because there is no 'localtime_r' on your system."
1030
1031 POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
1032                 crude surrogate will be used. If you happen to know a 
1033                 yield function for your system, please inform the GLib 
1034                 developers."
1035
1036 POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for 
1037                 threads on your system. Thus threads can only have the default 
1038                 priority. If you happen to know these main/max
1039                 priorities, please inform the GLib developers."
1040
1041
1042 dnl determination of thread implementation
1043 dnl ***************************************
1044
1045 # have_threads=no   means no thread support
1046 # have_threads=none means no default thread implementation
1047
1048 have_threads=no
1049 if test "x$want_threads" = xyes || test "x$want_threads" = xsolaris; then
1050         case $host in
1051                 *-*-solaris*)
1052                 AC_CHECK_LIB(thread, cond_init, have_threads=solaris)
1053                 ;;
1054         esac
1055 fi
1056 if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
1057                                 || test "x$want_threads" = xdce; then
1058         # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
1059         # -U_OSF_SOURCE is for Digital UNIX 4.0d
1060         GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
1061         glib_save_CPPFLAGS="$CPPFLAGS"
1062         CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1063         if test "x$have_threads" = xno; then
1064                 AC_TRY_COMPILE([#include <pthread.h>],
1065                         [pthread_attr_t attr; pthread_attr_init(&attr);],
1066                         have_threads=posix)
1067         fi
1068         if test "x$have_threads" = xno; then
1069                 AC_TRY_COMPILE([#include <pthread.h>],
1070                         [pthread_attr_t attr; pthread_attr_create(&attr);],
1071                         have_threads=posix)
1072         fi
1073         CPPFLAGS="$glib_save_CPPFLAGS"
1074 fi
1075 if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then
1076         case $host in
1077                 *-*-mingw*)
1078                 have_threads=win32
1079                 ;;
1080         esac
1081 fi
1082 if test "x$want_threads" = xnone; then
1083         have_threads=none
1084 fi
1085
1086 AC_MSG_CHECKING(for thread implementation)
1087
1088 if test "x$have_threads" = xno && test "x$want_threads" != xno; then
1089         AC_MSG_RESULT(none available)
1090         AC_MSG_WARN($THREAD_NO_IMPLEMENTATION)
1091 else
1092         AC_MSG_RESULT($have_threads)
1093 fi
1094
1095
1096 dnl determination of G_THREAD_CFLAGS
1097 dnl ********************************
1098
1099 G_THREAD_LIBS=
1100 G_THREAD_LIBS_EXTRA=
1101 G_THREAD_CFLAGS=
1102
1103 if test x"$have_threads" != xno; then
1104
1105     G_THREAD_CFLAGS="-D_REENTRANT" # good default guess
1106
1107     case $host in
1108         *-aix*)
1109                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_THREAD_SAFE"
1110                 if test x"$GCC" = xyes; then
1111                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -mthreads"
1112                 fi
1113                 ;;
1114         *-freebsd2.2*)
1115                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_THREAD_SAFE"
1116
1117                 # FreeBSD 2.2.x shiped with gcc 2.7.2.x, which doesn't support
1118                 # -mthreads flag.
1119                 ;;      
1120         *-sysv5uw7*)  # UnixWare 7 
1121                 if test "$GCC" != "yes"; then
1122                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -Kthread"
1123                 else    
1124                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -pthread"
1125                 fi      
1126                 ;;
1127         *-dg-dgux*)  # DG/UX
1128                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
1129     esac
1130
1131     # if we are not finding the localtime_r function, then we probably are
1132     # not using the proper multithread flag
1133
1134     glib_save_CPPFLAGS="$CPPFLAGS"
1135     CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1136
1137     # First we test, whether localtime_r is declared in time.h
1138     # directly. Then we test whether a macro localtime_r exists, in
1139     # which case localtime_r in the test program is replaced and thus
1140     # if we still find localtime_r in the output, it is not defined as 
1141     # a macro.
1142
1143     AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>], ,
1144       [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h> 
1145                                                            localtime_r(a,b)],
1146                    AC_MSG_WARN($FLAG_DOES_NOT_WORK))])
1147
1148     CPPFLAGS="$glib_save_CPPFLAGS"
1149
1150     AC_MSG_CHECKING(thread related cflags)
1151     AC_MSG_RESULT($G_THREAD_CFLAGS)
1152     CFLAGS="$CFLAGS $G_THREAD_CFLAGS"
1153 fi
1154
1155 dnl determination of G_THREAD_LIBS
1156 dnl ******************************
1157
1158 mutex_has_default=no
1159 case $have_threads in
1160         posix|dce)
1161            glib_save_CPPFLAGS="$CPPFLAGS"
1162            CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1163            G_THREAD_LIBS=error
1164            glib_save_LIBS="$LIBS"
1165            case $host in
1166              *-sysv5uw7*) # UnixWare 7 
1167                 if test "$GCC" != "yes"; then
1168                         G_THREAD_LIBS="-Kthread"
1169                 else    
1170                         G_THREAD_LIBS="-pthread"
1171                 fi      
1172                 ;;
1173              *)
1174                 for thread_lib in "" pthread pthread32 pthreads c_r thread dce; do
1175                         if test x"$thread_lib" = x; then
1176                                 add_thread_lib=""
1177                                 IN=""
1178                         else
1179                                 add_thread_lib="-l$thread_lib"
1180                                 IN=" in -l$thread_lib"
1181                         fi
1182                         if test x"$have_threads" = xposix; then
1183                                 defattr=0
1184                         else
1185                                 defattr=pthread_attr_default
1186                         fi
1187                         
1188                         LIBS="$glib_save_LIBS $add_thread_lib"
1189                         
1190                         AC_MSG_CHECKING(for pthread_create/pthread_join$IN)
1191                         AC_TRY_RUN([#include <pthread.h> 
1192                                 int check_me = 0;
1193                                 void* func(void* data) {check_me = 42;}
1194                                 main()
1195                                 { pthread_t t; 
1196                                   void *ret;
1197                                   pthread_create (&t, $defattr, func, 0);
1198                                   pthread_join (t, &ret);
1199                                   exit (check_me != 42);
1200                                 }],
1201                                 [AC_MSG_RESULT(yes)
1202                                 G_THREAD_LIBS="$add_thread_lib"
1203                                 break],
1204                                 [AC_MSG_RESULT(no)])
1205                 done
1206                 if test "x$G_THREAD_LIBS" = xerror; then
1207                   AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1208                 fi
1209                 for thread_lib in "" rt rte; do
1210                         if test x"$thread_lib" = x; then
1211                                 add_thread_lib=""
1212                                 IN=""
1213                         else
1214                                 add_thread_lib="-l$thread_lib"
1215                                 IN=" in -l$thread_lib"
1216                         fi
1217                         LIBS="$glib_save_LIBS $add_thread_lib"
1218                         
1219                         AC_MSG_CHECKING(for sched_get_priority_min$IN)
1220                         AC_TRY_RUN([#include <sched.h>
1221                                 #include <errno.h>
1222                                 int main() {
1223                                 errno = 0;
1224                                 return sched_get_priority_min(SCHED_OTHER)==-1
1225                                         && errno != 0;
1226                                 }],
1227                                 [AC_MSG_RESULT(yes)
1228                                 G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
1229                                 posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
1230                                 posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
1231                                 break],
1232                                 [AC_MSG_RESULT(no)])
1233                 done
1234                 LIBS="$glib_save_LIBS"
1235                 ;;
1236            esac 
1237            mutex_has_default=yes
1238            mutex_default_type='pthread_mutex_t'
1239            mutex_default_init='PTHREAD_MUTEX_INITIALIZER'
1240            mutex_header_file='pthread.h'
1241            if test "x$have_threads" = "xposix"; then
1242              g_threads_impl="POSIX"
1243            else
1244              g_threads_impl="DCE"
1245              have_threads="posix"
1246            fi
1247            AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
1248            CPPFLAGS="$glib_save_CPPFLAGS"
1249            ;;
1250         solaris)
1251            G_THREAD_LIBS=error
1252            AC_CHECK_LIB(thread, cond_init, G_THREAD_LIBS="-lthread")
1253            mutex_has_default=yes
1254            mutex_default_type='mutex_t'
1255            mutex_default_init="DEFAULTMUTEX"
1256            mutex_header_file='thread.h'
1257            g_threads_impl="SOLARIS"
1258            ;;
1259         win32)
1260            g_threads_impl="WIN32"
1261            G_THREAD_LIBS=""
1262            ;;
1263         none)
1264            g_threads_impl="NONE"
1265            ;;
1266         *)
1267            g_threads_impl="NONE"
1268            G_THREAD_LIBS=error
1269            ;;
1270 esac
1271
1272 if test "x$G_THREAD_LIBS" = xerror; then
1273         AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1274 fi
1275
1276 case $host in
1277   *-*-beos*)
1278     G_THREAD_LIBS="-lbe -lroot -lglib "
1279     G_THREAD_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1280     ;;
1281   *)
1282     ;;
1283 esac
1284
1285 AC_MSG_CHECKING(thread related libraries)
1286 AC_MSG_RESULT($G_THREAD_LIBS)
1287
1288 dnl check for mt safe function variants and some posix functions
1289 dnl ************************************************************
1290
1291 if test x"$have_threads" != xno; then
1292         glib_save_LIBS="$LIBS"
1293         # we are not doing the following for now, as this might require glib 
1294         # to always be linked with the thread libs on some platforms. 
1295         # LIBS="$LIBS $G_THREAD_LIBS"
1296         AC_CHECK_FUNCS(localtime_r)
1297         if test "$ac_cv_header_pwd_h" = "yes"; then
1298                 AC_CACHE_CHECK([for posix getpwuid_r],
1299                         ac_cv_func_posix_getpwuid_r,
1300                         [AC_TRY_RUN([#include <errno.h>
1301                                 #include <pwd.h>
1302                                 int main () { char buffer[10000];
1303                                 struct passwd pwd, *pwptr = &pwd;
1304                                 int error;
1305                                 errno = 0;
1306                                 error = getpwuid_r (0, &pwd, buffer, 
1307                                         sizeof (buffer), &pwptr);
1308                                 return (error < 0 && errno == ENOSYS) 
1309                                         || error == ENOSYS; }],
1310                                 [ac_cv_func_posix_getpwuid_r=yes],
1311                                 [ac_cv_func_posix_getpwuid_r=no])])
1312                 if test "$ac_cv_func_posix_getpwuid_r" = yes; then
1313                         AC_DEFINE(HAVE_POSIX_GETPWUID_R,1,
1314                                 [Have POSIX function getpwuid_r])
1315                 else
1316                         AC_CACHE_CHECK([for nonposix getpwuid_r],
1317                                 ac_cv_func_nonposix_getpwuid_r,
1318                                 [AC_TRY_LINK([#include <pwd.h>],
1319                                         [char buffer[10000];
1320                                         struct passwd pwd;
1321                                         getpwuid_r (0, &pwd, buffer, 
1322                                                         sizeof (buffer));],
1323                                         [ac_cv_func_nonposix_getpwuid_r=yes],
1324                                         [ac_cv_func_nonposix_getpwuid_r=no])])
1325                         if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then
1326                                 AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1,
1327                                         [Have non-POSIX function getpwuid_r])
1328                         fi
1329                 fi
1330         fi
1331         LIBS="$LIBS $G_THREAD_LIBS"
1332         if test x"$have_threads" = xposix; then
1333                 glib_save_CPPFLAGS="$CPPFLAGS"
1334                 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1335                 dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
1336                 GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
1337                 # This is not AC_CHECK_FUNC to also work with function
1338                 # name mangling in header files.
1339                 AC_MSG_CHECKING(for pthread_attr_setstacksize)
1340                 AC_TRY_LINK([#include <pthread.h>],
1341                         [pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
1342                         [AC_MSG_RESULT(yes)
1343                         AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
1344                                   [Have function pthread_attr_setstacksize])],
1345                         [AC_MSG_RESULT(no)])
1346                 AC_MSG_CHECKING(for minimal/maximal thread priority)
1347                 if test x"$posix_priority_min" = xnone; then
1348                         AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
1349                                 PX_PRIO_MIN],,[
1350                                 posix_priority_min=PX_PRIO_MIN
1351                                 posix_priority_max=PX_PRIO_MAX])
1352                 fi
1353                 if test x"$posix_priority_min" = xnone; then
1354                         AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
1355                                 PRI_OTHER_MIN],,[
1356                                 posix_priority_min=PRI_OTHER_MIN        
1357                                 posix_priority_max=PRI_OTHER_MAX])
1358                 fi
1359                 if test x"$posix_priority_min" = x; then
1360                         AC_MSG_RESULT(none found)
1361                         AC_MSG_WARN($POSIX_NO_PRIORITIES)
1362                         posix_priority_min=-1
1363                         posix_priority_max=-1
1364                 else
1365                         AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
1366                         AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
1367                         AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])
1368                 fi
1369                 posix_yield_func=none
1370                 AC_MSG_CHECKING(for posix yield function)
1371                 for yield_func in sched_yield pthread_yield_np pthread_yield \
1372                                                         thr_yield; do
1373                         AC_TRY_LINK([#include <pthread.h>],
1374                                 [$yield_func()],
1375                                 [posix_yield_func="$yield_func"
1376                                 break])
1377                 done            
1378                 if test x"$posix_yield_func" = xnone; then
1379                         AC_MSG_RESULT(none found)
1380                         AC_MSG_WARN($POSIX_NO_YIELD)
1381                         posix_yield_func="g_usleep(1000)"
1382                 else
1383                         AC_MSG_RESULT($posix_yield_func)
1384                         posix_yield_func="$posix_yield_func()"
1385                 fi
1386                 AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
1387                 CPPFLAGS="$glib_save_CPPFLAGS"
1388
1389                 AC_MSG_CHECKING(whether to use the PID niceness surrogate for thread priorities)
1390                 AC_TRY_RUN([#include <pthread.h> 
1391                         #include <sys/types.h>
1392                         #include <unistd.h>
1393                         pid_t other_pid = 0;
1394
1395                         void* func(void* data) {other_pid = getpid();}
1396                         main()
1397                         { pthread_t t; 
1398                           void *ret;
1399                           pthread_create (&t, $defattr, func, NULL);
1400                           pthread_join (t, &ret);
1401                           exit (getpid()==other_pid || 
1402                                 $posix_priority_min != $posix_priority_max);
1403                         }],
1404                         [AC_MSG_RESULT(yes)
1405                           AC_DEFINE(G_THREAD_USE_PID_SURROGATE, 1, [whether to use the PID niceness surrogate for thread priorities])
1406                         ],
1407                         [AC_MSG_RESULT(no)])
1408         elif test x"$have_threads" = xwin32; then
1409                 # It's a pointer to a private struct
1410                 GLIB_SIZEOF(,struct _GThreadData *, system_thread)
1411         elif test x"$have_threads" = xsolaris; then 
1412                 GLIB_SIZEOF([#include <thread.h>], thread_t, system_thread)
1413         fi
1414
1415         LIBS="$glib_save_LIBS"
1416
1417         # now spit out all the warnings.
1418         if test "$ac_cv_func_posix_getpwuid_r" != "yes" && 
1419            test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then
1420                 AC_MSG_WARN($FUNC_NO_GETPWUID_R)
1421         fi
1422         if test "$ac_cv_func_localtime_r" != "yes"; then
1423                 AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
1424         fi
1425 fi      
1426
1427 if test x"$glib_cv_sizeof_system_thread" = x; then
1428    # use a pointer as a fallback.
1429    GLIB_SIZEOF(,void *, system_thread)
1430 fi
1431
1432 AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c",
1433                    [Source file containing theread implementation])
1434 AC_SUBST(G_THREAD_CFLAGS)
1435 AC_SUBST(G_THREAD_LIBS)
1436 AC_SUBST(G_THREAD_LIBS_EXTRA)
1437
1438 dnl **********************************************
1439 dnl *** GDefaultMutex setup and initialization ***
1440 dnl **********************************************
1441 dnl
1442 dnl if mutex_has_default = yes, we also got
1443 dnl mutex_default_type, mutex_default_init and mutex_header_file
1444 GLIB_IF_VAR_EQ(mutex_has_default, yes,
1445         glib_save_CPPFLAGS="$CPPFLAGS"
1446         glib_save_LIBS="$LIBS"
1447         LIBS="$LIBS $G_THREAD_LIBS"
1448         CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1449         GLIB_SIZEOF([#include <$mutex_header_file>],
1450                     $mutex_default_type,
1451                     gmutex,
1452                     )
1453         GLIB_BYTE_CONTENTS([#include <$mutex_header_file>],
1454                            $mutex_default_type,
1455                            gmutex,
1456                            $glib_cv_sizeof_gmutex,
1457                            $mutex_default_init)
1458         if test x"$glib_cv_byte_contents_gmutex" = xno; then
1459                 mutex_has_default=no
1460         fi
1461         CPPFLAGS="$glib_save_CPPFLAGS"
1462         LIBS="$glib_save_LIBS"
1463         ,
1464 )
1465
1466
1467 dnl ****************************************
1468 dnl *** GLib POLL* compatibility defines ***
1469 dnl ****************************************
1470 GLIB_SYSDEFS(
1471 [#include <sys/types.h>
1472 #include <sys/poll.h>],
1473         POLLIN:1 POLLOUT:4 POLLPRI:2 POLLERR:8 POLLHUP:16 POLLNVAL:32,
1474         glibconfig-sysdefs.h,
1475         =)
1476
1477 dnl **********************
1478 dnl *** Win32 API libs ***
1479 dnl **********************
1480
1481 case $host in
1482   *-*-cygwin*)
1483         G_LIBS_EXTRA="-luser32 -lwsock32 -lkernel32"
1484     ;;
1485   *-*-mingw*)
1486         G_LIBS_EXTRA="-lwsock32"
1487     ;;
1488   *)
1489         G_LIBS_EXTRA=""
1490     ;;
1491 esac
1492 AC_SUBST(G_LIBS_EXTRA)
1493
1494 dnl ***********************
1495 dnl *** Tests for iconv ***
1496 dnl ***********************
1497
1498 AC_ARG_WITH(libiconv, [ --with-libiconv     Use the libiconv library ],,with_libiconv=maybe)
1499
1500 found_iconv=no
1501
1502 if test "x$with_libiconv" != "xyes" ; then
1503    # 
1504    # Check in the C library 
1505    #
1506    AC_CHECK_FUNC(iconv_open, with_libiconv=no; found_iconv=yes)
1507 fi
1508
1509 if test "x$with_libiconv" != "xno" ; then
1510    #
1511    # Check for libiconv
1512    #
1513    AC_CHECK_LIB(iconv, libiconv_open, with_libiconv=yes; found_iconv=yes)
1514 fi
1515
1516 if test "x$found_iconv" = "xno" ; then
1517    AC_MSG_ERROR([*** No iconv() implementation found in C library or libiconv])
1518 fi
1519
1520 if test "x$with_libiconv" = "xyes" ; then
1521   ICONV_LIBS="-liconv"
1522   AC_DEFINE(USE_LIBICONV)
1523 fi
1524 AC_SUBST(ICONV_LIBS)
1525
1526 dnl If the system doesn't define EILSEQ, we should define EILSEQ ourselves
1527 dnl since we need it for g_iconv()
1528
1529 AC_MSG_CHECKING([for EILSEQ])
1530 AC_TRY_COMPILE([
1531 #include <errno.h>
1532 ],
1533 [
1534 int error = EILSEQ;
1535 ], have_eilseq=yes, have_eilseq=no);
1536 AC_MSG_RESULT($have_eilseq)
1537
1538 dnl **************************
1539 dnl *** Checks for gtk-doc ***
1540 dnl **************************
1541
1542 AC_ARG_WITH(html-dir, [  --with-html-dir=PATH    path to installed docs])
1543
1544 if test "x$with_html_dir" = "x" ; then
1545   HTML_DIR='${datadir}/gtk-doc/html'
1546 else
1547   HTML_DIR=$with_html_dir
1548 fi
1549
1550 AC_SUBST(HTML_DIR)
1551
1552 AC_CHECK_PROG(GTKDOC, gtkdoc-mkdb, true, false)
1553
1554 gtk_doc_min_version=0.6
1555 if $GTKDOC ; then 
1556     gtk_doc_version=`gtkdoc-mkdb --version`
1557     AC_MSG_CHECKING([gtk-doc version ($gtk_doc_version) >= $gtk_doc_min_version])
1558     if perl <<EOF ; then
1559       exit (("$gtk_doc_version" =~ /^[[0-9]]+\.[[0-9]]+$/) &&
1560             ("$gtk_doc_version" >= "$gtk_doc_min_version") ? 0 : 1);
1561 EOF
1562       AC_MSG_RESULT(yes)
1563    else
1564       AC_MSG_RESULT(no)
1565       GTKDOC=false
1566    fi
1567 fi
1568
1569 AM_CONDITIONAL(HAVE_GTK_DOC, $GTKDOC)
1570 AC_SUBST(HAVE_GTK_DOC)
1571
1572 AC_CHECK_PROG(DB2HTML, db2html, true, false)
1573 AM_CONDITIONAL(HAVE_DOCBOOK, $DB2HTML)
1574
1575 dnl Let people disable the gtk-doc stuff.
1576 AC_ARG_ENABLE(gtk-doc, [  --enable-gtk-doc        use gtk-doc to build documentation [default=auto]], enable_gtk_doc="$enableval", enable_gtk_doc=auto)
1577
1578 if test x$enable_gtk_doc = xauto ; then
1579   if test x$GTKDOC = xtrue ; then
1580     enable_gtk_doc=yes
1581   else
1582     enable_gtk_doc=no 
1583   fi
1584 fi
1585
1586 dnl NOTE: We need to use a separate automake conditional for this
1587 dnl       to make this work with the tarballs.
1588 AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)
1589
1590 dnl ******************************
1591 dnl *** output the whole stuff ***
1592 dnl ******************************
1593
1594 AC_OUTPUT_COMMANDS([
1595
1596 ## Generate `glibconfig.h' in two cases
1597 ## 1. `config.status' is run either explicitly, or via configure.
1598 ##     Esp. not when it is run in `Makefile' to generate makefiles and
1599 ##     config.h
1600 ## 2. CONFIG_OTHER is set explicitly
1601 ##
1602 ## Case 1 is difficult.  We know that `automake' sets one of
1603 ## CONFIG_FILES or CONFIG_HEADERS to empty.  This heuristic works
1604 ## only when AM_CONFIG_HEADER is set, however.
1605
1606 if test -n "${CONFIG_FILES}" && test -n "${CONFIG_HEADERS}"; then
1607   # Both CONFIG_FILES and CONFIG_HEADERS are non-empty ==> Case 1
1608   CONFIG_OTHER=${CONFIG_OTHER:-glibconfig.h}
1609 fi
1610 case "$CONFIG_OTHER" in
1611 *glibconfig.h*)
1612         echo creating glibconfig.h
1613         outfile=glibconfig.h-tmp
1614         cat > $outfile <<\_______EOF
1615 /* glibconfig.h
1616  *
1617  * This is a generated file.  Please modify 'configure.in'
1618  */
1619
1620 #ifndef __G_LIBCONFIG_H__
1621 #define __G_LIBCONFIG_H__
1622
1623 #include <glib/gmacros.h>
1624
1625 _______EOF
1626
1627         if test x$glib_limits_h = xyes; then
1628           echo '#include <limits.h>' >> $outfile
1629         fi
1630         if test x$glib_float_h = xyes; then
1631           echo '#include <float.h>' >> $outfile
1632         fi
1633         if test x$glib_values_h = xyes; then
1634           echo '#include <values.h>' >> $outfile
1635         fi
1636         if test "$glib_header_alloca_h" = "yes"; then
1637           echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile
1638         fi
1639         if test x$glib_sys_poll_h = xyes; then
1640           echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile
1641         fi
1642
1643         cat >> $outfile <<_______EOF
1644
1645 G_BEGIN_DECLS
1646
1647 #define G_MINFLOAT      $glib_mf
1648 #define G_MAXFLOAT      $glib_Mf
1649 #define G_MINDOUBLE     $glib_md
1650 #define G_MAXDOUBLE     $glib_Md
1651 #define G_MINSHORT      $glib_ms
1652 #define G_MAXSHORT      $glib_Ms
1653 #define G_MAXUSHORT     $glib_Mus
1654 #define G_MININT        $glib_mi
1655 #define G_MAXINT        $glib_Mi
1656 #define G_MAXUINT       $glib_Mui
1657 #define G_MINLONG       $glib_ml
1658 #define G_MAXLONG       $glib_Ml
1659 #define G_MAXULONG      $glib_Mul
1660
1661 #define G_MININT64      ((gint64)  0x8000000000000000)
1662 #define G_MAXINT64      ((gint64)  0x7fffffffffffffff)
1663 #define G_MAXUINT64     ((guint64) 0xffffffffffffffff)
1664
1665 _______EOF
1666
1667
1668         ### this should always be true in a modern C/C++ compiler
1669         cat >>$outfile <<_______EOF
1670 typedef signed char gint8;
1671 typedef unsigned char guint8;
1672 _______EOF
1673
1674
1675         if test -n "$gint16"; then
1676           cat >>$outfile <<_______EOF
1677 typedef signed $gint16 gint16;
1678 typedef unsigned $gint16 guint16;
1679 #define G_GINT16_FORMAT $gint16_format
1680 #define G_GUINT16_FORMAT $guint16_format
1681 _______EOF
1682         fi
1683
1684
1685         if test -n "$gint32"; then
1686           cat >>$outfile <<_______EOF
1687 typedef signed $gint32 gint32;
1688 typedef unsigned $gint32 guint32;
1689 #define G_GINT32_FORMAT $gint32_format
1690 #define G_GUINT32_FORMAT $guint32_format
1691 _______EOF
1692         fi
1693
1694         cat >>$outfile <<_______EOF
1695 #define G_HAVE_GINT64 1          /* deprecated, always true */
1696
1697 ${glib_extension}typedef signed $gint64 gint64;
1698 ${glib_extension}typedef unsigned $gint64 guint64;
1699
1700 #define G_GINT64_CONSTANT(val)  $gint64_constant
1701
1702 #define G_GINT64_FORMAT $gint64_format
1703 #define G_GUINT64_FORMAT $guint64_format
1704 _______EOF
1705
1706         cat >>$outfile <<_______EOF
1707
1708 #define GLIB_SIZEOF_VOID_P $glib_void_p
1709 #define GLIB_SIZEOF_LONG   $glib_long
1710 #define GLIB_SIZEOF_SIZE_T $glib_size_t
1711
1712 _______EOF
1713
1714         case x$glib_size_t in
1715         x2) echo "typedef gint16  gssize;" >> $outfile
1716             echo "typedef guint16 gsize;"  >> $outfile
1717             ;;
1718         x4) echo "typedef gint32  gssize;" >> $outfile
1719             echo "typedef guint32 gsize;"  >> $outfile
1720             ;;
1721         x8) echo "typedef gint64  gssize;" >> $outfile
1722             echo "typedef guint64 gsize;"  >> $outfile
1723             ;;
1724         *)  echo "#error size of size_t is unknown" >> $outfile
1725             ;;
1726         esac
1727
1728         if test -z "$glib_unknown_void_p"; then
1729           cat >>$outfile <<_______EOF
1730
1731 #define GPOINTER_TO_INT(p)      ((gint)  ${glib_gpi_cast} (p))
1732 #define GPOINTER_TO_UINT(p)     ((guint) ${glib_gpui_cast} (p))
1733
1734 #define GINT_TO_POINTER(i)      ((gpointer) ${glib_gpi_cast} (i))
1735 #define GUINT_TO_POINTER(u)     ((gpointer) ${glib_gpui_cast} (u))
1736 _______EOF
1737         else
1738           echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
1739         fi
1740
1741
1742
1743         cat >>$outfile <<_______EOF
1744 $glib_atexit
1745 $glib_memmove
1746 $glib_defines
1747 $glib_os
1748
1749 $glib_vacopy
1750
1751 #ifdef  __cplusplus
1752 #define G_HAVE_INLINE   1
1753 #else   /* !__cplusplus */
1754 $glib_inline
1755 #endif  /* !__cplusplus */
1756
1757 _______EOF
1758
1759         if test x$g_have_iso_c_varargs = xyes ; then
1760                 cat >>$outfile <<_______EOF
1761 #ifndef __cplusplus
1762 # define G_HAVE_ISO_VARARGS 1
1763 #endif
1764 _______EOF
1765         fi
1766         if test x$g_have_iso_cxx_varargs = xyes ; then
1767                 cat >>$outfile <<_______EOF
1768 #ifdef __cplusplus
1769 # define G_HAVE_ISO_VARARGS 1
1770 #endif
1771 _______EOF
1772         fi
1773         if test x$g_have_gnuc_varargs = xyes ; then
1774                 cat >>$outfile <<_______EOF
1775
1776 #define G_HAVE_GNUC_VARARGS 1
1777 _______EOF
1778         fi
1779
1780         echo >>$outfile
1781         if test x$g_have_eilseq = xno; then
1782                 cat >>$outfile <<_______EOF
1783 #ifndef EILSEQ
1784 /* On some systems, like SunOS and NetBSD, EILSEQ is not defined.
1785  * The correspondence between this and the corresponding definition
1786  * in libiconv is essential.
1787  */
1788 #  define EILSEQ ENOENT
1789 #endif
1790 _______EOF
1791
1792         fi
1793
1794         echo >>$outfile
1795         if test x$g_mutex_has_default = xyes; then
1796                 cat >>$outfile <<_______EOF
1797 $g_enable_threads_def G_THREADS_ENABLED
1798 #define G_THREADS_IMPL_$g_threads_impl_def
1799 typedef struct _GStaticMutex GStaticMutex;
1800 struct _GStaticMutex
1801 {
1802   struct _GMutex *runtime_mutex;
1803   union {
1804     char   pad[$g_mutex_sizeof];
1805     double dummy_double;
1806     void  *dummy_pointer;
1807     long   dummy_long;
1808   } static_mutex;
1809 };
1810 #define G_STATIC_MUTEX_INIT     { NULL, { { $g_mutex_contents} } }
1811 #define g_static_mutex_get_mutex(mutex) \
1812   (g_thread_use_default_impl ? ((GMutex*) &((mutex)->static_mutex)) : \
1813    g_static_mutex_get_mutex_impl (&((mutex)->runtime_mutex)))
1814 _______EOF
1815         else
1816                 cat >>$outfile <<_______EOF
1817 $g_enable_threads_def G_THREADS_ENABLED
1818 #define G_THREADS_IMPL_$g_threads_impl_def
1819 typedef struct _GMutex* GStaticMutex;
1820 #define G_STATIC_MUTEX_INIT NULL
1821 #define g_static_mutex_get_mutex(mutex) (g_static_mutex_get_mutex_impl (mutex))
1822 _______EOF
1823         fi
1824
1825         cat >>$outfile <<_______EOF
1826 /* This represents a system thread as used by the implementation. An
1827  * alien implementaion, as loaded by g_thread_init can only count on
1828  * "sizeof (gpointer)" bytes to store their info. We however need more
1829  * for some of our native implementations. */
1830 typedef union _GSystemThread GSystemThread;
1831 union _GSystemThread
1832 {
1833   char   data[$g_system_thread_sizeof];
1834   double dummy_double;
1835   void  *dummy_pointer;
1836   long   dummy_long;
1837 };
1838 _______EOF
1839
1840         echo >>$outfile
1841         g_bit_sizes="16 32 64"
1842         for bits in $g_bit_sizes; do
1843           cat >>$outfile <<_______EOF
1844 #define GINT${bits}_TO_${g_bs_native}(val)      ((gint${bits}) (val))
1845 #define GUINT${bits}_TO_${g_bs_native}(val)     ((guint${bits}) (val))
1846 #define GINT${bits}_TO_${g_bs_alien}(val)       ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val))
1847 #define GUINT${bits}_TO_${g_bs_alien}(val)      (GUINT${bits}_SWAP_LE_BE (val))
1848 _______EOF
1849         done
1850
1851         cat >>$outfile <<_______EOF
1852 #define GLONG_TO_LE(val)        ((glong) GINT${glongbits}_TO_LE (val))
1853 #define GULONG_TO_LE(val)       ((gulong) GUINT${glongbits}_TO_LE (val))
1854 #define GLONG_TO_BE(val)        ((glong) GINT${glongbits}_TO_BE (val))
1855 #define GULONG_TO_BE(val)       ((gulong) GUINT${glongbits}_TO_BE (val))
1856 #define GINT_TO_LE(val)         ((gint) GINT${gintbits}_TO_LE (val))
1857 #define GUINT_TO_LE(val)        ((guint) GUINT${gintbits}_TO_LE (val))
1858 #define GINT_TO_BE(val)         ((gint) GINT${gintbits}_TO_BE (val))
1859 #define GUINT_TO_BE(val)        ((guint) GUINT${gintbits}_TO_BE (val))
1860 #define G_BYTE_ORDER $g_byte_order
1861
1862 _______EOF
1863
1864         if test -r glibconfig-sysdefs.h; then
1865           cat glibconfig-sysdefs.h >>$outfile
1866         fi
1867
1868         cat >>$outfile <<_______EOF
1869
1870 #define G_MODULE_SUFFIX "$g_module_suffix"
1871
1872 G_END_DECLS
1873
1874 #endif /* GLIBCONFIG_H */
1875 _______EOF
1876
1877
1878         if cmp -s $outfile glibconfig.h; then
1879           echo glibconfig.h is unchanged
1880           rm -f $outfile
1881         else
1882           mv $outfile glibconfig.h
1883         fi ;;
1884 esac
1885 ],[
1886
1887 # Note that if two cases are the same, case goes with the first one.
1888 # Note also that this is inside an AC_OUTPUT_COMMAND.  We do not depend
1889 # on variable expansion in case labels.  Look at the generated config.status
1890 # for a hint.
1891
1892 if test "x${ac_cv_working_alloca_h+set}" = xset ; then
1893   glib_header_alloca_h="$ac_cv_working_alloca_h"
1894 else
1895   glib_header_alloca_h="$ac_cv_header_alloca_h"
1896 fi
1897
1898 case xyes in
1899 x$ac_cv_header_float_h)
1900   glib_float_h=yes
1901   glib_mf=FLT_MIN glib_Mf=FLT_MAX
1902   glib_md=DBL_MIN glib_Md=DBL_MAX
1903   ;;
1904 x$ac_cv_header_values_h)
1905   glib_values_h=yes
1906   glib_mf=MINFLOAT  glib_Mf=MAXFLOAT
1907   glib_md=MINDOUBLE glib_Md=MAXDOUBLE
1908   ;;
1909 esac
1910
1911 case xyes in
1912 x$ac_cv_header_limits_h)
1913   glib_limits_h=yes
1914   glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX
1915   glib_mi=INT_MIN  glib_Mi=INT_MAX  glib_Mui=UINT_MAX
1916   glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX
1917   ;;
1918 x$ac_cv_header_values_h)
1919   glib_values_h=yes
1920   glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)"
1921   glib_mi=MININT   glib_Mi=MAXINT   glib_Mui="(((guint)G_MAXINT)*2+1)"
1922   glib_ml=MINLONG  glib_Ml=MAXLONG  glib_Mul="(((gulong)G_MAXLONG)*2+1)"
1923   ;;
1924 esac
1925
1926 if test x$ac_cv_header_sys_poll_h = xyes ; then
1927   glib_sys_poll_h=yes
1928 fi
1929
1930 case 2 in
1931 $ac_cv_sizeof_short)            
1932   gint16=short
1933   gint16_format='"hi"'
1934   guint16_format='"hu"'
1935   ;;
1936 $ac_cv_sizeof_int)              
1937   gint16=int
1938   gint16_format='"i"'
1939   guint16_format='"u"'
1940   ;;
1941 esac
1942 case 4 in
1943 $ac_cv_sizeof_short)            
1944   gint32=short
1945   gint32_format='"hi"'
1946   guint32_format='"hu"'
1947   ;;
1948 $ac_cv_sizeof_int)              
1949   gint32=int
1950   gint32_format='"i"'
1951   guint32_format='"u"'
1952   ;;
1953 $ac_cv_sizeof_long)             
1954   gint32=long
1955   gint32_format='"li"'
1956   guint32_format='"lu"'
1957   ;;
1958 esac
1959 case 8 in
1960 $ac_cv_sizeof_int)
1961   gint64=int
1962   gint64_format='"i"'
1963   guint64_format='"u"'
1964   glib_extension=
1965   gint64_constant='(val)'
1966   ;;
1967 $ac_cv_sizeof_long)
1968   gint64=long
1969   gint64_format='"li"'
1970   guint64_format='"lu"'
1971   glib_extension=
1972   gint64_constant='(val##L)'
1973   ;;
1974 $ac_cv_sizeof_long_long)
1975   gint64='long long'
1976   if test -n "$glib_cv_long_long_format"; then
1977     gint64_format='"'$glib_cv_long_long_format'i"'
1978     guint64_format='"'$glib_cv_long_long_format'u"'
1979   fi
1980   glib_extension='G_GNUC_EXTENSION '
1981   gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1982   ;;
1983 $ac_cv_sizeof___int64)
1984   gint64='__int64'
1985   if test -n "$glib_cv_long_long_format"; then
1986     gint64_format='"'$glib_cv_long_long_format'i"'
1987     guint64_format='"'$glib_cv_long_long_format'u"'
1988   fi
1989   glib_extension=
1990   gint64_constant='(val##i64)'
1991   ;;
1992 esac
1993 glib_size_t=$glib_cv_sizeof_size_t
1994 glib_void_p=$ac_cv_sizeof_long
1995 glib_long=$ac_cv_sizeof_void_p
1996
1997 gintbits=`expr $ac_cv_sizeof_int \* 8`
1998 glongbits=`expr $ac_cv_sizeof_long \* 8`
1999
2000
2001 case $ac_cv_sizeof_void_p in
2002 $ac_cv_sizeof_int)      glib_gpi_cast=''        glib_gpui_cast=''         ;;
2003 $ac_cv_sizeof_long)     glib_gpi_cast='(glong)' glib_gpui_cast='(gulong)' ;;
2004 *)                      glib_unknown_void_p=yes ;;
2005 esac
2006
2007
2008 case xyes in
2009 x$ac_cv_func_atexit)
2010   glib_atexit="
2011 #ifdef NeXT /* @#%@! NeXTStep */
2012 # define g_ATEXIT(proc) (!atexit (proc))
2013 #else
2014 # define g_ATEXIT(proc) (atexit (proc))
2015 #endif"
2016   ;;
2017 x$ac_cv_func_on_exit)
2018   glib_atexit="
2019 #define g_ATEXIT(proc)  (on_exit ((void (*)(int, void*))(proc), NULL))"
2020   ;;
2021 esac
2022
2023 case xyes in
2024 x$ac_cv_func_memmove)
2025   glib_memmove='
2026 #define g_memmove(d,s,n) G_STMT_START { memmove ((d), (s), (n)); } G_STMT_END'
2027   ;;
2028 x$glib_cv_working_bcopy)
2029   glib_memmove="
2030 /* memmove isn't available, but bcopy can copy overlapping memory regions */
2031 #define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END"
2032   ;;
2033 *)  
2034   glib_memmove="
2035 /* memmove isn't found and bcopy can't copy overlapping memory regions, 
2036  * so we have to roll our own copy routine. */
2037 void g_memmove (void* dest, const void * src, unsigned long len);"
2038   ;;
2039 esac
2040
2041 glib_defines="
2042 #define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION
2043 #define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION
2044 #define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION
2045 "
2046
2047 case xyes in
2048 x$glib_cv_va_copy)      glib_vacopy='#define G_VA_COPY  va_copy' ;;
2049 x$glib_cv___va_copy)    glib_vacopy='#define G_VA_COPY  __va_copy' ;;
2050 *)                      glib_vacopy=''
2051 esac
2052
2053 if test x$glib_cv_va_val_copy = xno; then
2054   glib_vacopy="\$glib_vacopy
2055 #define G_VA_COPY_AS_ARRAY 1"
2056 fi
2057
2058 if test x$glib_cv_hasinline = xyes; then
2059     glib_inline='#define G_HAVE_INLINE 1'
2060 fi
2061 if test x$glib_cv_has__inline = xyes; then
2062     glib_inline="\$glib_inline
2063 #define G_HAVE___INLINE 1"
2064 fi
2065 if test x$glib_cv_has__inline__ = xyes; then
2066     glib_inline="\$glib_inline
2067 #define G_HAVE___INLINE__ 1"
2068 fi
2069
2070 g_have_gnuc_varargs=$g_have_gnuc_varargs
2071 g_have_iso_c_varargs=$g_have_iso_c_varargs
2072 g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs
2073
2074 case xyes in
2075 x$ac_cv_c_bigendian)
2076   g_byte_order=G_BIG_ENDIAN
2077   g_bs_native=BE
2078   g_bs_alien=LE
2079   ;;
2080 *)
2081   g_byte_order=G_LITTLE_ENDIAN
2082   g_bs_native=LE
2083   g_bs_alien=BE
2084   ;;
2085 esac
2086
2087 g_have_eilseq=$have_eilseq
2088
2089 case x$have_threads in
2090 xno)    g_enable_threads_def="#undef";;
2091 *)      g_enable_threads_def="#define";;
2092 esac
2093
2094 g_threads_impl_def=$g_threads_impl
2095
2096 g_mutex_has_default="$mutex_has_default"
2097 g_mutex_sizeof="$glib_cv_sizeof_gmutex"
2098 g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
2099 g_mutex_contents="$glib_cv_byte_contents_gmutex"
2100
2101 g_module_suffix="$glib_gmodule_suffix"
2102
2103 case $host in
2104   *-*-beos*)
2105     glib_os="#define G_OS_BEOS"
2106     ;;
2107   *-*-cygwin*)
2108     glib_os="#define G_OS_UNIX
2109 #define G_PLATFORM_WIN32
2110 #define G_WITH_CYGWIN"
2111     ;;
2112   *-*-mingw*)
2113     glib_os="#define G_OS_WIN32
2114 #define G_PLATFORM_WIN32"
2115     ;;
2116   *)
2117     glib_os="#define G_OS_UNIX"
2118     ;;
2119 esac
2120 ])
2121
2122 AC_OUTPUT([
2123 glib-2.0.pc
2124 glib-2.0-uninstalled.pc
2125 gmodule-2.0.pc
2126 gmodule-2.0-uninstalled.pc
2127 gthread-2.0.pc
2128 gthread-2.0-uninstalled.pc
2129 gobject-2.0.pc
2130 gobject-2.0-uninstalled.pc
2131 glib.spec
2132 glib-zip
2133 glib-gettextize
2134 Makefile
2135 build/Makefile
2136 build/win32/Makefile
2137 build/win32/dirent/Makefile
2138 glib/Makefile
2139 glib/libcharset/Makefile
2140 gmodule/gmoduleconf.h
2141 gmodule/Makefile
2142 gobject/Makefile
2143 gobject/glib-mkenums
2144 gthread/Makefile
2145 po/Makefile.in
2146 docs/Makefile
2147 docs/reference/Makefile
2148 docs/reference/glib/Makefile
2149 docs/reference/gobject/Makefile
2150 tests/Makefile
2151 m4macros/Makefile
2152 ],[echo ""
2153 echo " *** IMPORTANT *** "
2154 echo ""
2155 echo "This is a development version of GLib.  You should be using a stable"
2156 echo "version, which is available at ftp://ftp.gtk.org/pub/gtk/v1.2/.  The"
2157 echo "version you just configured is meant for developers of GLib only:"
2158 echo ""
2159 echo "  * You should not base stable software on this version of GLib."
2160 echo "  * GNOME developers should use a stable version of GLib."
2161 echo ""
2162 echo " *** You should be using GLib 1.2 instead. ***"
2163 ])