Added Catalan file
[platform/upstream/glib.git] / configure.in
1 dnl ***********************************
2 dnl *** include special GLib macros ***
3 dnl ***********************************
4 builtin(include, acglib.m4)dnl
5
6 # require autoconf 2.13
7 AC_PREREQ(2.13)
8
9 # Process this file with autoconf to produce a configure script.
10 AC_INIT(glist.c)
11
12 # Save this value here, since automake will set cflags later
13 cflags_set=${CFLAGS+set}
14
15 # we rewrite this file
16 rm -f glibconfig-sysdefs.h
17
18 GLIB_AC_DIVERT_BEFORE_HELP([
19 #
20 # The following version number definitions apply to GLib, GModule, GObject 
21 # and GThread as a whole, so if changes occoured in any of them, they are all
22 # treated with the same interface and binary age.
23 #
24 # Making releases:
25 #   GLIB_MICRO_VERSION += 1;
26 #   GLIB_INTERFACE_AGE += 1;
27 #   GLIB_BINARY_AGE += 1;
28 # if any functions have been added, set GLIB_INTERFACE_AGE to 0.
29 # if backwards compatibility has been broken,
30 # set GLIB_BINARY_AGE _and_ GLIB_INTERFACE_AGE to 0.
31 #
32 GLIB_MAJOR_VERSION=1
33 GLIB_MINOR_VERSION=3
34 GLIB_MICRO_VERSION=4
35 GLIB_INTERFACE_AGE=0
36 GLIB_BINARY_AGE=0
37 GLIB_VERSION=$GLIB_MAJOR_VERSION.$GLIB_MINOR_VERSION.$GLIB_MICRO_VERSION
38 ])dnl
39
40 AC_SUBST(GLIB_MAJOR_VERSION)
41 AC_SUBST(GLIB_MINOR_VERSION)
42 AC_SUBST(GLIB_MICRO_VERSION)
43 AC_SUBST(GLIB_VERSION)
44 AC_SUBST(GLIB_INTERFACE_AGE)
45 AC_SUBST(GLIB_BINARY_AGE)
46
47 # libtool versioning
48 LT_RELEASE=$GLIB_MAJOR_VERSION.$GLIB_MINOR_VERSION
49 LT_CURRENT=`expr $GLIB_MICRO_VERSION - $GLIB_INTERFACE_AGE`
50 LT_REVISION=$GLIB_INTERFACE_AGE
51 LT_AGE=`expr $GLIB_BINARY_AGE - $GLIB_INTERFACE_AGE`
52 AC_SUBST(LT_RELEASE)
53 AC_SUBST(LT_CURRENT)
54 AC_SUBST(LT_REVISION)
55 AC_SUBST(LT_AGE)
56
57 VERSION=$GLIB_VERSION
58 PACKAGE=glib
59
60 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
61
62 # Specify a configuration file
63 AM_CONFIG_HEADER(config.h)
64
65 AC_DEFINE_UNQUOTED(GLIB_MAJOR_VERSION, $GLIB_MAJOR_VERSION,
66                    [Define to the GLIB major version])
67 AC_DEFINE_UNQUOTED(GLIB_MINOR_VERSION, $GLIB_MINOR_VERSION,
68                    [Define to the GLIB minor version])
69 AC_DEFINE_UNQUOTED(GLIB_MICRO_VERSION, $GLIB_MICRO_VERSION,
70                    [Define to the GLIB micro version])
71 AC_DEFINE_UNQUOTED(GLIB_INTERFACE_AGE, $GLIB_INTERFACE_AGE,
72                    [Define to the GLIB interface age])
73 AC_DEFINE_UNQUOTED(GLIB_BINARY_AGE, $GLIB_BINARY_AGE,
74                    [Define to the GLIB binary age])
75
76 dnl Initialize maintainer mode
77 AM_MAINTAINER_MODE
78
79 AC_CANONICAL_HOST
80
81 AC_MSG_CHECKING(for the BeOS)
82 case $host in
83   *-*-beos*)
84     glib_native_beos="yes"
85     ;;
86   *)
87     glib_native_beos="no"
88     ;;
89 esac
90 AC_MSG_RESULT([$glib_native_beos])
91
92 dnl
93
94 GLIB_AC_DIVERT_BEFORE_HELP([
95 # figure debugging default, prior to $ac_help setup
96 case $GLIB_MINOR_VERSION in
97 *[[13579]]) debug_default=yes ;;
98 *)          debug_default=minimum ;;
99 esac[]dnl
100 ])
101
102 dnl declare --enable-* args and collect ac_help strings
103 AC_ARG_ENABLE(debug, [  --enable-debug=[no/minimum/yes] turn on debugging [default=$debug_default]],,enable_debug=$debug_default)
104 AC_ARG_ENABLE(msg-prefix, [  --enable-msg-prefix     turn on program name and PID prefixing of messages and warnings],,enable_msg_prefix=no)
105 AC_ARG_ENABLE(gc_friendly, [  --enable-gc-friendly    turn on garbage collector friendliness [default=no]],,enable_gc_friendly=no)
106 AC_ARG_ENABLE(mem_pools, [  --disable-mem-pools     disable all glib memory pools],,disable_mem_pools=no)
107 AC_ARG_ENABLE(ansi, [  --enable-ansi           turn on strict ansi [default=no]],
108                     , enable_ansi=no)
109 AC_ARG_ENABLE(threads, [  --enable-threads        turn on basic thread support [default=yes]
110                           ([=no] will override --with-threads)],,enable_threads=yes)
111 AC_ARG_ENABLE(rebuilds, [  --disable-rebuilds      disable all source autogeneration rules],,enable_rebuilds=yes)
112
113 if test "x$enable_threads" != "xyes"; then
114   enable_threads=no
115 fi
116
117 AC_DEFINE_UNQUOTED(G_COMPILED_WITH_DEBUGGING, "${enable_debug}",
118         [Whether glib was compiled with debugging enabled])
119
120 AC_MSG_CHECKING(whether to enable garbage collector friendliness)
121 if test "x$enable_gc_friendly" = "xyes"; then
122   AC_DEFINE(ENABLE_GC_FRIENDLY, 1, [Whether to enable GC friendliness])
123   AC_SUBST(ENABLE_GC_FRIENDLY)
124   AC_MSG_RESULT(yes)
125 else
126   AC_MSG_RESULT(no)
127 fi
128
129 AC_MSG_CHECKING(whether to disable memory pools)
130 if test "x$disable_mem_pools" = "xno"; then
131   AC_MSG_RESULT(no)
132 else
133   AC_DEFINE(DISABLE_MEM_POOLS, 1, [Whether to disable memory pools])
134   AC_SUBST(DISABLE_MEM_POOLS)
135   AC_MSG_RESULT(yes)
136 fi
137
138 if test "x$enable_msg_prefix" = "xyes"; then
139   AC_DEFINE_UNQUOTED(G_ENABLE_MSG_PREFIX, 1, 
140                      [Enable prefixing of error messages with program names])
141 fi
142
143 dnl Checks for programs.
144 AC_PROG_CC
145
146 AM_PROG_CC_STDC
147 AC_PROG_INSTALL
148
149 #
150 # Find pkg-config
151 #
152 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
153 if test x$PKG_CONFIG = xno ; then
154   AC_MSG_ERROR([*** pkg-config not found. See http://pkgconfig.sourceforge.net])
155 fi
156
157 if pkg-config --atleast-pkgconfig-version 0.5 ; then
158   :
159 else
160   AC_MSG_ERROR([*** pkg-config too old; version 0.5 or better required.])
161 fi
162
163 if test "x$enable_debug" = "xyes"; then
164   if test x$cflags_set != xset ; then
165       case " $CFLAGS " in
166       *[[\ \    ]]-g[[\ \       ]]*) ;;
167       *) CFLAGS="$CFLAGS -g" ;;
168       esac
169   fi
170         
171   GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
172 else
173   if test "x$enable_debug" = "xno"; then
174     GLIB_DEBUG_FLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
175   fi
176 fi
177
178 AC_CYGWIN
179 AC_EXEEXT
180
181 # define a MAINT-like variable REBUILD which is set if Perl
182 # and awk are found, so autogenerated sources can be rebuilt
183 AC_PROG_AWK
184 AC_CHECK_PROGS(PERL, perl5 perl)
185 # We would like indent, but don't require it.
186 AC_CHECK_PROG(INDENT, indent, indent)
187 REBUILD=\#
188 if test "x$enable_rebuilds" = "xyes" && \
189      test -n "$PERL" && \
190      $PERL -e 'exit !($] >= 5.002)' > /dev/null 2>&1 && \
191      test -n "$AWK" ; then
192   REBUILD=
193 fi
194 AC_SUBST(REBUILD)
195
196
197 dnl
198 dnl gettext support
199 dnl
200
201 ALL_LINGUAS="ca de fr no ru sl sv tr uk"
202 AM_GLIB_GNU_GETTEXT
203 LIBS="$LIBS $INTLLIBS"
204
205 GETTEXT_PACKAGE=glib20
206 AC_SUBST(GETTEXT_PACKAGE)
207 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE")
208
209 # AM_GLIB_GNU_GETTEXT above substs $DATADIRNAME
210 # this is the directory where the *.{mo,gmo} files are installed
211 GLIB_LOCALE_DIR="${prefix}/${DATADIRNAME}/locale"
212 AC_DEFINE_UNQUOTED(GLIB_LOCALE_DIR,"$GLIB_LOCALE_DIR")
213
214 dnl Initialize libtool
215 AC_LIBTOOL_WIN32_DLL
216 AM_PROG_LIBTOOL
217
218 if test "x$GCC" = "xyes"; then
219   case " $CFLAGS " in
220   *[[\ \        ]]-Wall[[\ \    ]]*) ;;
221   *) CFLAGS="$CFLAGS -Wall" ;;
222   esac
223
224   if test "x$enable_ansi" = "xyes"; then
225     case " $CFLAGS " in
226     *[[\ \      ]]-ansi[[\ \    ]]*) ;;
227     *) CFLAGS="$CFLAGS -ansi" ;;
228     esac
229
230     case " $CFLAGS " in
231     *[[\ \      ]]-pedantic[[\ \        ]]*) ;;
232     *) CFLAGS="$CFLAGS -pedantic" ;;
233     esac
234   fi
235 fi
236
237 dnl DU4 native cc currently needs -std1 for ANSI mode (instead of K&R)
238 AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
239 glib_save_LIBS=$LIBS
240 LIBS="$LIBS -lm"
241 AC_TRY_RUN([#include <math.h>
242              int main (void) { return (log(1) != log(1.)); }],
243      AC_MSG_RESULT(none needed),
244      glib_save_CFLAGS=$CFLAGS
245      CFLAGS="$CFLAGS -std1"
246      AC_TRY_RUN([#include <math.h>
247                  int main (void) { return (log(1) != log(1.)); }],
248          AC_MSG_RESULT(-std1),
249          AC_MSG_RESULT()
250          CFLAGS=$glib_save_CFLAGS
251          AC_MSG_WARN(
252                 [No ANSI prototypes found in library. (-std1 didn't work.)])
253      )
254 )
255 LIBS=$glib_save_LIBS
256
257 dnl NeXTStep cc seems to need this
258 AC_MSG_CHECKING([for extra flags for POSIX compliance])
259 AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
260   AC_MSG_RESULT(none needed),
261   glib_save_CFLAGS=$CFLAGS
262   CFLAGS="$CFLAGS -posix"
263   AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
264     AC_MSG_RESULT(-posix),
265     AC_MSG_RESULT()
266     CFLAGS=$glib_save_CFLAGS
267     AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))
268
269 # Checks for header files.
270 AC_HEADER_STDC
271
272 # Checks for library functions.
273 AC_FUNC_VPRINTF
274
275 AC_FUNC_ALLOCA
276
277 AC_CHECK_FUNCS(atexit on_exit)
278
279 AC_CHECK_SIZEOF(char)
280 AC_CHECK_SIZEOF(short)
281 AC_CHECK_SIZEOF(long)
282 AC_CHECK_SIZEOF(int)
283 AC_CHECK_SIZEOF(void *)
284 AC_CHECK_SIZEOF(long long)
285
286 if test x$ac_cv_sizeof_long_long = x8; then
287         # long long is a 64 bit integer.
288         AC_MSG_CHECKING(for format to printf and scanf a gint64)
289         AC_CACHE_VAL(glib_cv_long_long_format,[
290                 for format in ll q I64; do
291                   AC_TRY_RUN([#include <stdio.h>  
292                         int main()
293                         {
294                           long long b, a = -0x3AFAFAFAFAFAFAFALL;
295                           char buffer[1000];
296                           sprintf (buffer, "%${format}u", a);
297                           sscanf (buffer, "%${format}u", &b);
298                           exit (b!=a);
299                         }
300                         ],
301                         glib_cv_long_long_format=${format}
302                         break)
303                 done])
304         if test -n "$glib_cv_long_long_format"; then
305           AC_MSG_RESULT(%${glib_cv_long_long_format}u)
306         else
307           AC_MSG_RESULT(none)
308         fi
309 fi
310
311 dnl long doubles were not used, and a portability problem
312 dnl AC_C_LONG_DOUBLE
313 AC_C_CONST
314
315 dnl ok, here we try to check whether the systems prototypes for
316 dnl malloc and friends actually match the prototypes provided
317 dnl by gmem.h (keep in sync). i currently only know how to check
318 dnl this reliably with gcc (-Werror), improvements for other
319 dnl compilers are apprechiated.
320 SANE_MALLOC_PROTOS=no
321 AC_MSG_CHECKING([if malloc() and friends prototypes are gmem.h compatible])
322 glib_save_CFLAGS=$CFLAGS
323 if test "x$GCC" = "xyes"; then
324   CFLAGS="$CFLAGS -Werror"
325   AC_TRY_COMPILE([#include <stdlib.h>], [
326     void* (*my_calloc_p)  (size_t, size_t) = calloc;
327     void* (*my_malloc_p)  (size_t)         = malloc;
328     void  (*my_free_p)    (void*)          = free;
329     void* (*my_realloc_p) (void*, size_t)  = realloc;
330     my_calloc_p = 0;
331     my_malloc_p = 0;
332     my_free_p = 0;
333     my_realloc_p = 0;
334   ],
335     AC_DEFINE(SANE_MALLOC_PROTOS)
336     SANE_MALLOC_PROTOS=yes)
337 fi
338 AC_MSG_RESULT($SANE_MALLOC_PROTOS)
339 CFLAGS=$glib_save_CFLAGS
340
341
342 dnl AC_C_INLINE is useless to us since it bails out too early, we need to
343 dnl truely know which ones of `inline', `__inline' and `__inline__' are
344 dnl actually supported.
345 AC_CACHE_CHECK([for __inline],glib_cv_has__inline,[
346         AC_TRY_RUN([
347         __inline int foo () { return 0; }
348         int main () { return foo (); }
349         ],
350         glib_cv_has__inline=yes
351         ,
352         glib_cv_has__inline=no
353         ,)
354 ])
355 case x$glib_cv_has__inline in
356 xyes) AC_DEFINE(G_HAVE___INLINE,1,[Have __inline keyword])
357 esac
358 AC_CACHE_CHECK([for __inline__],glib_cv_has__inline__,[
359         AC_TRY_RUN([
360         __inline__ int foo () { return 0; }
361         int main () { return foo (); }
362         ],
363         glib_cv_has__inline__=yes
364         ,
365         glib_cv_has__inline__=no
366         ,)
367 ])
368 case x$glib_cv_has__inline__ in
369 xyes) AC_DEFINE(G_HAVE___INLINE__,1,[Have __inline__ keyword])
370 esac
371 AC_CACHE_CHECK([for inline], glib_cv_hasinline,[
372         AC_TRY_RUN([
373         inline int foo () { return 0; }
374         int main () { return foo (); }
375         ],
376         glib_cv_hasinline=yes
377         ,
378         glib_cv_hasinline=no
379         ,)
380 ])
381 case x$glib_cv_hasinline in
382 xyes) AC_DEFINE(G_HAVE_INLINE,1,[Have inline keyword])
383 esac
384
385 # check for bytesex stuff
386 AC_C_BIGENDIAN
387
388 # check for header files
389 AC_CHECK_HEADERS([float.h limits.h pwd.h sys/param.h sys/poll.h sys/select.h])
390 AC_CHECK_HEADERS([sys/time.h sys/times.h unistd.h values.h stdint.h sched.h])
391
392 AC_MSG_CHECKING(whether make is GNU Make)
393 STRIP_BEGIN=
394 STRIP_END=
395 if $ac_make --version 2>/dev/null | grep '^GNU Make ' >/dev/null ; then
396         STRIP_BEGIN='$(strip $(STRIP_DUMMY)'
397         STRIP_END=')'
398         AC_MSG_RESULT(yes)
399 else
400         AC_MSG_RESULT(no)
401 fi
402 STRIP_DUMMY=
403 AC_SUBST(STRIP_DUMMY)
404 AC_SUBST(STRIP_BEGIN)
405 AC_SUBST(STRIP_END)
406
407 # check additional type sizes
408 size_includes=["
409 #include <stdarg.h>
410 #include <stdio.h>
411 #include <ctype.h>
412 #include <string.h>
413 "]
414 if test "x$ac_cv_header_stdint_h" = "xyes"; then
415   size_includes=["$size_includes
416 #include <stdint.h>
417 "]
418 fi
419 if test "x$ac_cv_header_unistd_h" = "xyes"; then
420   size_includes=["$size_includes
421 #include <unistd.h>
422 "]
423 fi
424 GLIB_SIZEOF([$size_includes], size_t, size_t)
425 GLIB_SIZEOF([$size_includes], ptrdiff_t, ptrdiff_t)
426 GLIB_SIZEOF([$size_includes], intmax_t, intmax_t)
427
428 # Check for some functions
429 AC_CHECK_FUNCS(lstat strerror strsignal memmove mkstemp vsnprintf stpcpy strcasecmp strncasecmp poll getcwd)
430
431 # Check if bcopy can be used for overlapping copies, if memmove isn't found.
432 # The check is borrowed from the PERL Configure script.
433 if test "$ac_cv_func_memmove" != "yes"; then
434   AC_CACHE_CHECK(whether bcopy can handle overlapping copies,
435     glib_cv_working_bcopy,[AC_TRY_RUN([
436       int main() {
437         char buf[128], abc[128], *b;
438         int len, off, align;
439         bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
440         for (align = 7; align >= 0; align--) {
441           for (len = 36; len; len--) {
442             b = buf+align; bcopy(abc, b, len);
443             for (off = 1; off <= len; off++) {
444               bcopy(b, b+off, len); bcopy(b+off, b, len);
445                 if (bcmp(b, abc, len)) return(1);
446             }
447           }
448         }
449         return(0);
450       }],glib_cv_working_bcopy=yes,glib_cv_working_bcopy=no)])
451   if test "$glib_cv_working_bcopy" = "yes"; then
452     AC_DEFINE(HAVE_WORKING_BCOPY,1,[Have a working bcopy])
453   fi
454 fi
455
456 # Check for sys_errlist
457 AC_MSG_CHECKING(for sys_errlist)
458 AC_TRY_LINK(, [
459 extern char *sys_errlist[];
460 extern int sys_nerr;
461 sys_errlist[sys_nerr-1][0] = 0;
462 ], glib_ok=yes, glib_ok=no)
463 AC_MSG_RESULT($glib_ok)
464 if test $glib_ok = no; then
465     AC_DEFINE(NO_SYS_ERRLIST,1,[global 'sys_errlist' not found])
466 fi
467
468 # Check for sys_siglist
469 AC_MSG_CHECKING(for sys_siglist)
470 AC_TRY_LINK(, [
471 extern char *sys_siglist[];
472 exit (sys_siglist[0]);
473 ], glib_ok=yes, glib_ok=no)
474 AC_MSG_RESULT($glib_ok)
475 if test $glib_ok = no; then
476     AC_DEFINE(NO_SYS_SIGLIST,1,[global 'sys_siglist' not found])
477 fi
478
479 # Check for sys_siglist decl (see Tue Jan 19 00:44:24 1999 in changelog)
480 AC_MSG_CHECKING(for sys_siglist declaration)
481 AC_TRY_COMPILE([#include <signal.h>], [
482 strlen (sys_siglist[0]);
483 ], glib_ok=yes, glib_ok=no)
484 AC_MSG_RESULT($glib_ok)
485 if test $glib_ok = no; then
486     AC_DEFINE(NO_SYS_SIGLIST_DECL,1,[global 'sys_siglist' not declared])
487 fi
488
489 # Check if <sys/select.h> needs to be included for fd_set
490 AC_MSG_CHECKING([for fd_set])
491 AC_TRY_COMPILE([#include <sys/types.h>],
492         [fd_set readMask, writeMask;], gtk_ok=yes, gtk_ok=no)
493 if test $gtk_ok = yes; then
494     AC_MSG_RESULT([yes, found in sys/types.h])
495 else
496     AC_EGREP_HEADER(fd_set, sys/select.h, gtk_ok=yes)
497     if test $gtk_ok = yes; then
498         # *** FIXME: give it a different name
499         AC_DEFINE(HAVE_SYS_SELECT_H,1,[found fd_set in sys/select.h])
500         AC_MSG_RESULT([yes, found in sys/select.h])
501     else
502         AC_DEFINE(NO_FD_SET,1,[didn't find fd_set])
503         AC_MSG_RESULT(no)
504     fi
505 fi
506
507 dnl *** check for sane realloc() ***
508 AC_CACHE_CHECK([whether realloc (NULL,) will work],glib_cv_sane_realloc,[
509         AC_TRY_RUN([
510         #include <stdlib.h>
511         int main() {
512           return realloc (0, sizeof (int)) == 0;
513         }],
514         [glib_cv_sane_realloc=yes],
515         [glib_cv_sane_realloc=no],
516         [])
517 ])
518 if test x$glib_cv_sane_realloc = xyes; then
519   AC_DEFINE(REALLOC_0_WORKS,1,[whether realloc (NULL,) works])
520 fi
521
522 dnl Check for nl_langinfo and CODESET
523
524 AC_MSG_CHECKING([for nl_langinfo (CODESET)])
525 AC_TRY_COMPILE([#include <langinfo.h>],
526         [char *codeset = nl_langinfo (CODESET);],
527    AC_DEFINE(HAVE_CODESET,1,[Have nl_langinfo (CODESET)])
528    have_codeset=yes,
529    have_codeset=no)
530 AC_MSG_RESULT($have_codeset)
531
532
533 dnl ****************************************
534 dnl *** strlcpy/strlcat                  ***
535 dnl ****************************************
536 # Check for strlcpy
537 AC_MSG_CHECKING(for strlcpy/strlcat)
538 AC_TRY_LINK([#include <stdlib.h>
539 #include <string.h>], [
540 char *p = malloc(10);
541 (void) strlcpy(p, "hi", 10);
542 (void) strlcat(p, "bye", 10);
543 ], glib_ok=yes, glib_ok=no)
544 AC_MSG_RESULT($glib_ok)
545 if test $glib_ok = yes; then
546     AC_DEFINE(HAVE_STRLCPY,1,[Have functions strlcpy and strlcat])
547 fi
548   
549
550 dnl **********************
551 dnl *** va_copy checks ***
552 dnl **********************
553 dnl we currently check for all three va_copy possibilities, so we get
554 dnl all results in config.log for bug reports.
555 AC_CACHE_CHECK([for an implementation of va_copy()],glib_cv_va_copy,[
556         AC_TRY_RUN([
557         #include <stdarg.h>
558         void f (int i, ...) {
559         va_list args1, args2;
560         va_start (args1, i);
561         va_copy (args2, args1);
562         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
563           exit (1);
564         va_end (args1); va_end (args2);
565         }
566         int main() {
567           f (0, 42);
568           return 0;
569         }],
570         [glib_cv_va_copy=yes],
571         [glib_cv_va_copy=no],
572         [])
573 ])
574 AC_CACHE_CHECK([for an implementation of __va_copy()],glib_cv___va_copy,[
575         AC_TRY_RUN([
576         #include <stdarg.h>
577         void f (int i, ...) {
578         va_list args1, args2;
579         va_start (args1, i);
580         __va_copy (args2, args1);
581         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
582           exit (1);
583         va_end (args1); va_end (args2);
584         }
585         int main() {
586           f (0, 42);
587           return 0;
588         }],
589         [glib_cv___va_copy=yes],
590         [glib_cv___va_copy=no],
591         [])
592 ])
593
594 if test "x$glib_cv_va_copy" = "xyes"; then
595   g_va_copy_func=va_copy
596 else if test "x$glib_cv___va_copy" = "xyes"; then
597   g_va_copy_func=__va_copy
598 fi
599 fi
600
601 if test -n "$g_va_copy_func"; then
602   AC_DEFINE_UNQUOTED(G_VA_COPY,$g_va_copy_func,[A 'va_copy' style function])
603 fi
604
605 AC_CACHE_CHECK([whether va_lists can be copied by value],glib_cv_va_val_copy,[
606         AC_TRY_RUN([
607         #include <stdarg.h>
608         void f (int i, ...) {
609         va_list args1, args2;
610         va_start (args1, i);
611         args2 = args1;
612         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
613           exit (1);
614         va_end (args1); va_end (args2);
615         }
616         int main() {
617           f (0, 42);
618           return 0;
619         }],
620         [glib_cv_va_val_copy=yes],
621         [glib_cv_va_val_copy=no],
622         [])
623 ])
624
625 if test "x$glib_cv_va_val_copy" = "xno"; then
626   AC_DEFINE(G_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
627 fi
628
629 dnl ***********************
630 dnl *** g_module checks ***
631 dnl ***********************
632 G_MODULE_LIBS=
633 G_MODULE_LIBS_EXTRA=
634 G_MODULE_PLUGIN_LIBS=
635 G_MODULE_LDFLAGS=
636 dnl G_MODULE_IMPL= don't reset, so cmd-line can override
637 G_MODULE_NEED_USCORE=0
638 G_MODULE_BROKEN_RTLD_GLOBAL=0
639 G_MODULE_HAVE_DLERROR=0
640 dnl *** force native WIN32 shared lib loader 
641 if test -z "$G_MODULE_IMPL"; then
642   case "$host" in
643   *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;;
644   esac
645 fi
646 dnl *** dlopen() and dlsym() in system libraries
647 if test -z "$G_MODULE_IMPL"; then
648         AC_CHECK_FUNC(dlopen,
649                       [AC_CHECK_FUNC(dlsym,
650                                      [G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
651                       [])
652 fi
653 dnl *** load_image (BeOS)
654 if test -z "$G_MODULE_IMPL" -a "x$glib_native_beos" = "xyes"; then
655   AC_CHECK_LIB(root, load_image,
656       [G_MODULE_LIBS="-lbe -lroot -lglib"
657       G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
658       G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule"
659       G_MODULE_IMPL=G_MODULE_IMPL_BEOS],
660       [])
661 fi   
662 dnl *** dlopen() and dlsym() in libdl
663 if test -z "$G_MODULE_IMPL"; then
664         AC_CHECK_LIB(dl, dlopen,
665                      [AC_CHECK_LIB(dl, dlsym,
666                                    [G_MODULE_LIBS=-ldl
667                                    G_MODULE_IMPL=G_MODULE_IMPL_DL],[])],
668                      [])
669 fi
670 dnl *** NSLinkModule (dyld) in system libraries (Darwin)
671 if test -z "$G_MODULE_IMPL"; then
672         AC_CHECK_FUNC(NSLinkModule,
673                       [G_MODULE_IMPL=G_MODULE_IMPL_DYLD
674                        G_MODULE_NEED_USCORE=1],
675                       [])
676 fi
677 dnl *** shl_load() in libdld (HP-UX)
678 if test -z "$G_MODULE_IMPL"; then
679         AC_MSG_CHECKING(how to export all symbols)
680         SAVED_LDFLAGS=$LDFLAGS
681         LDFLAGS="$LDFLAGS -Wl,-E"
682         AC_TRY_LINK(,[ return 0; ],
683                 [ G_MODULE_LDFLAGS="-Wl,-E" ],[
684                 LDFLAGS="$SAVED_LDFLAGS -bexpall"
685                 AC_TRY_LINK(,[ return 0; ],
686                         [G_MODULE_LDFLAGS="-bexpall"],
687                         [G_MODULE_LDFLAGS="none"])
688         ])
689         LDFLAGS=$SAVED_LDFLAGS
690         AC_MSG_RESULT($G_MODULE_LDFLAGS)
691         if test "x$G_MODULE_LDFLAGS" = "xnone"; then
692                 G_MODULE_LDFLAGS=
693         fi
694         AC_CHECK_LIB(dld, shl_load,
695                 [G_MODULE_LIBS=-ldld
696                 G_MODULE_IMPL=G_MODULE_IMPL_DLD],
697                 [])
698 fi
699 dnl *** additional checks for G_MODULE_IMPL_DL
700 if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then
701         case "$host_os" in
702           linux*)
703             G_MODULE_LDFLAGS='-rdynamic'
704             ;;
705         esac
706         LIBS_orig="$LIBS"
707         LDFLAGS_orig="$LDFLAGS"
708         LIBS="$LIBS $G_MODULE_LIBS"
709         LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS"
710 dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness
711         AC_CACHE_CHECK([for RTLD_GLOBAL brokenness],
712                 glib_cv_rtldglobal_broken,[
713                 AC_TRY_RUN([
714                 #include <dlfcn.h>
715                 #ifndef RTLD_GLOBAL
716                 #define RTLD_GLOBAL 0
717                 #endif
718                 #ifndef RTLD_LAZY
719                 #define RTLD_LAZY 0
720                 #endif
721                 int pthread_create;
722                 int main () {
723                 void *handle, *global, *local;
724                 global = &pthread_create;
725                 handle = dlopen ("libpthread.so", RTLD_GLOBAL | RTLD_LAZY);
726                 if (!handle) return 0;
727                 local = dlsym (handle, "pthread_create");
728                 return global == local;
729                 }],
730                         [glib_cv_rtldglobal_broken=no],
731                         [glib_cv_rtldglobal_broken=yes],
732                         [])
733                 rm -f plugin.c plugin.o plugin.lo
734         ])
735         if test "x$glib_cv_rtldglobal_broken" = "xyes"; then
736                 G_MODULE_BROKEN_RTLD_GLOBAL=1
737         else
738                 G_MODULE_BROKEN_RTLD_GLOBAL=0
739         fi
740 dnl *** check whether we need preceeding underscores
741         AC_CACHE_CHECK([for preceeding underscore in symbols],
742                 glib_cv_uscore,[
743                 AC_TRY_RUN([
744                 #include <dlfcn.h>
745                 int glib_underscore_test (void) { return 42; }
746                 int main() {
747                   void *f1 = (void*)0, *f2 = (void*)0, *handle;
748                   handle = dlopen ((void*)0, 0);
749                   if (handle) {
750                     f1 = dlsym (handle, "glib_underscore_test");
751                     f2 = dlsym (handle, "_glib_underscore_test");
752                   } return (!f2 || f1);
753                 }],
754                         [glib_cv_uscore=yes],
755                         [glib_cv_uscore=no],
756                         [])
757                 rm -f plugin.c plugin.$ac_objext plugin.lo
758         ])
759         if test "x$glib_cv_uscore" = "xyes"; then
760                 G_MODULE_NEED_USCORE=1
761         else
762                 G_MODULE_NEED_USCORE=0
763         fi
764
765         LDFLAGS="$LDFLAGS_orig"
766 dnl *** check for having dlerror()
767         AC_CHECK_FUNC(dlerror,
768                 [G_MODULE_HAVE_DLERROR=1],
769                 [G_MODULE_HAVE_DLERROR=0])
770         LIBS="$LIBS_orig"
771 fi
772 dnl *** done, have we got an implementation?
773 if test -z "$G_MODULE_IMPL"; then
774         G_MODULE_IMPL=0
775 fi
776
777 AC_MSG_CHECKING(for the suffix of shared libraries)
778 case "$host_os" in
779   hpux9* | hpux10* | hpux11*)  # taken from ltconfig
780     glib_gmodule_suffix='sl'
781     ;;
782   cygwin* | mingw*)
783     glib_gmodule_suffix='dll'
784     ;;
785   *)
786     glib_gmodule_suffix='so'    
787     ;;
788 esac
789 AC_MSG_RESULT(.$glib_gmodule_suffix)
790  
791 AC_SUBST(G_MODULE_IMPL)
792 AC_SUBST(G_MODULE_LIBS)
793 AC_SUBST(G_MODULE_LIBS_EXTRA)
794 AC_SUBST(G_MODULE_PLUGIN_LIBS)
795 AC_SUBST(G_MODULE_LDFLAGS)
796 AC_SUBST(G_MODULE_HAVE_DLERROR)
797 AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL)
798 AC_SUBST(G_MODULE_NEED_USCORE)
799 AC_SUBST(GLIB_DEBUG_FLAGS)
800
801 dnl **********************
802 dnl *** g_spawn checks ***
803 dnl **********************
804
805 AC_MSG_CHECKING(for gspawn implementation)
806 case "$host" in
807   *-*-mingw*)
808     GSPAWN=gspawn-win32.lo
809     ;;
810   *)
811     GSPAWN=gspawn.lo
812     ;;    
813 esac
814 AC_MSG_RESULT($GSPAWN)
815 AC_SUBST(GSPAWN)
816
817 dnl *************************
818 dnl *** GIOChannel checks ***
819 dnl *************************
820
821 AC_MSG_CHECKING(for GIOChannel implementation)
822 case "$host" in
823   *-*-mingw*)
824     GIO=giowin32.lo
825     ;;
826   *)
827     GIO=giounix.lo
828     ;;    
829 esac
830 AC_MSG_RESULT($GIO)
831 AC_SUBST(GIO)
832
833 dnl ****************************************
834 dnl *** platform dependent source checks ***
835 dnl ****************************************
836
837 AC_MSG_CHECKING(for platform-dependent source)
838 case "$host" in
839   *-*-cygwin*|*-*-mingw*)
840     PLATFORMDEP=gwin32.lo
841     ;;
842   *)
843     PLATFORMDEP=
844     ;;    
845 esac
846 AC_MSG_RESULT($PLATFORMDEP)
847 AC_SUBST(PLATFORMDEP)
848
849 AC_MSG_CHECKING([whether to compile timeloop])
850 case "$host" in
851   *-*-cygwin*|*-*-mingw*)
852     enable_timeloop=no
853     ;;
854   *)
855     enable_timeloop=yes
856     ;;    
857 esac
858 AC_MSG_RESULT($enable_timeloop)
859 AM_CONDITIONAL(ENABLE_TIMELOOP, test x$enable_timeloop = xyes)
860
861 AC_MSG_CHECKING([if building for some Win32 platform])
862 case "$host" in
863   *-*-mingw*|*-*-cygwin*)
864     platform_win32=yes
865     ;;
866   *)
867     platform_win32=no
868     ;;
869 esac
870 AC_MSG_RESULT($platform_win32)
871 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
872
873 AC_MSG_CHECKING([if building for pure Win32])
874 case "$host" in
875   *-*-mingw*)
876     os_win32=yes
877     ;;
878   *)
879     os_win32=no
880     ;;
881 esac
882 AC_MSG_RESULT($os_win32)
883 AM_CONDITIONAL(OS_WIN32, test x$os_win32 = xyes)
884
885 dnl ***********************
886 dnl *** g_thread checks ***
887 dnl ***********************
888
889 AC_ARG_WITH(threads, [  --with-threads=[none/posix/dce/solaris] specify a thread implementation to use],
890         if test "x$with_threads" = x; then
891                 want_threads=yes
892         else
893                 want_threads=$with_threads
894         fi,
895         want_threads=yes)
896 if test "x$enable_threads" = "xno"; then
897         want_threads=no
898 fi
899 if test "x$want_threads" = "xnone"; then
900         want_threads=no
901 fi
902
903 dnl error and warning message
904 dnl *************************
905
906 THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your
907                 computer. GLib will not have a default thread implementation."
908
909 FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your
910                 platform (normally it's "_REENTRANT"). I'll not use any flag on
911                 compilation now, but then your programs might not work.
912                 Please provide information on how it is done on your system."
913
914 LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation
915                 "
916
917 LIBS_NOT_FOUND_2=". Please choose another thread implementation or
918                 provide information on your thread implementation.
919                 You can also run 'configure --disable-threads' 
920                 to compile without thread support."
921
922 FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)'
923                 functions will not be MT-safe during their first call because
924                 there is no working 'getpwuid_r' on your system."
925
926 FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe
927                 because there is no 'localtime_r' on your system."
928
929 POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather
930                 crude surrogate will be used. If you happen to know a 
931                 yield function for your system, please inform the GLib 
932                 developers."
933
934 POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for 
935                 threads on your system. Thus threads can only have the default 
936                 priority. If you happen to know these main/max
937                 priorities, please inform the GLib developers."
938
939
940 dnl determination of thread implementation
941 dnl ***************************************
942
943 have_threads=none
944 if test "x$want_threads" = xyes || test "x$want_threads" = xsolaris; then
945         case $host in
946                 *-*-solaris*)
947                 AC_CHECK_LIB(thread, cond_init, have_threads=solaris)
948                 ;;
949         esac
950 fi
951 if test "x$want_threads" = xyes || test "x$want_threads" = xposix \
952                                 || test "x$want_threads" = xdce; then
953         # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX
954         # -U_OSF_SOURCE is for Digital UNIX 4.0d
955         GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE"
956         glib_save_CPPFLAGS="$CPPFLAGS"
957         CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
958         if test "x$have_threads" = xnone; then
959                 AC_TRY_COMPILE([#include <pthread.h>],
960                         [pthread_attr_t attr; pthread_attr_init(&attr);],
961                         have_threads=posix)
962         fi
963         if test "x$have_threads" = xnone; then
964                 AC_TRY_COMPILE([#include <pthread.h>],
965                         [pthread_attr_t attr; pthread_attr_create(&attr);],
966                         have_threads=posix)
967         fi
968         CPPFLAGS="$glib_save_CPPFLAGS"
969 fi
970
971 AC_MSG_CHECKING(for thread implementation)
972
973 if test "x$have_threads" = xnone && test "x$want_threads" != xno; then
974         AC_MSG_RESULT(none available)
975         AC_MSG_WARN($THREAD_NO_IMPLEMENTATION)
976 else
977         AC_MSG_RESULT($have_threads)
978 fi
979
980
981 dnl determination of G_THREAD_CFLAGS
982 dnl ********************************
983
984 G_THREAD_LIBS=
985 G_THREAD_LIBS_EXTRA=
986 G_THREAD_CFLAGS=
987
988 if test x"$have_threads" != xnone; then
989
990     G_THREAD_CFLAGS="-D_REENTRANT" # good default guess
991
992     case $host in
993         *-aix*)
994                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_THREAD_SAFE"
995                 if test x"$GCC" = xyes; then
996                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -mthreads"
997                 fi
998                 ;;
999         *-freebsd2.2*)
1000                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_THREAD_SAFE"
1001
1002                 # FreeBSD 2.2.x shiped with gcc 2.7.2.x, which doesn't support
1003                 # -mthreads flag.
1004                 ;;      
1005         *-sysv5uw7*)  # UnixWare 7 
1006                 if test "$GCC" != "yes"; then
1007                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -Kthread"
1008                 else    
1009                         G_THREAD_CFLAGS="$G_THREAD_CFLAGS -pthread"
1010                 fi      
1011                 ;;
1012         *-dg-dgux*)  # DG/UX
1013                 G_THREAD_CFLAGS="$G_THREAD_CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
1014     esac
1015
1016     # if we are not finding the localtime_r function, then we probably are
1017     # not using the proper multithread flag
1018
1019     glib_save_CPPFLAGS="$CPPFLAGS"
1020     CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS"
1021
1022     # First we test, whether localtime_r is declared in time.h
1023     # directly. Then we test whether a macro localtime_r exists, in
1024     # which case localtime_r in the test program is replaced and thus
1025     # if we still find localtime_r in the output, it is not defined as 
1026     # a macro.
1027
1028     AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h>], ,
1029       [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include <time.h> 
1030                                                            localtime_r(a,b)],
1031                    AC_MSG_WARN($FLAG_DOES_NOT_WORK))])
1032
1033     CPPFLAGS="$glib_save_CPPFLAGS"
1034
1035     AC_MSG_CHECKING(thread related cflags)
1036     AC_MSG_RESULT($G_THREAD_CFLAGS)
1037     CFLAGS="$CFLAGS $G_THREAD_CFLAGS"
1038 fi
1039
1040 dnl determination of G_THREAD_LIBS
1041 dnl ******************************
1042
1043 mutex_has_default=no
1044 case $have_threads in
1045         posix|dce)
1046            glib_save_CPPFLAGS="$CPPFLAGS"
1047            CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1048            G_THREAD_LIBS=error
1049            glib_save_LIBS="$LIBS"
1050            case $host in
1051              *-sysv5uw7*) # UnixWare 7 
1052                 if test "$GCC" != "yes"; then
1053                         G_THREAD_LIBS="-Kthread"
1054                 else    
1055                         G_THREAD_LIBS="-pthread"
1056                 fi      
1057                 ;;
1058              *)
1059                 for thread_lib in "" pthread pthread32 pthreads c_r thread dce; do
1060                         if test x"$thread_lib" = x; then
1061                                 add_thread_lib=""
1062                                 IN=""
1063                         else
1064                                 add_thread_lib="-l$thread_lib"
1065                                 IN=" in -l$thread_lib"
1066                         fi
1067                         if test x"$have_threads" = xposix; then
1068                                 defattr=0
1069                         else
1070                                 defattr=pthread_attr_default
1071                         fi
1072                         
1073                         LIBS="$glib_save_LIBS $add_thread_lib"
1074                         
1075                         AC_MSG_CHECKING(for pthread_create/pthread_join$IN)
1076                         AC_TRY_RUN([#include <pthread.h> 
1077                                 int check_me = 0;
1078                                 void* func(void* data) {check_me = 42;}
1079                                 main()
1080                                 { pthread_t t; 
1081                                   void *ret;
1082                                   pthread_create (&t, $defattr, func, 0);
1083                                   pthread_join (t, &ret);
1084                                   exit (check_me != 42);
1085                                 }],
1086                                 [AC_MSG_RESULT(yes)
1087                                 G_THREAD_LIBS="$add_thread_lib"
1088                                 break],
1089                                 [AC_MSG_RESULT(no)])
1090                 done
1091                 if test "x$G_THREAD_LIBS" = xerror; then
1092                   AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1093                 fi
1094                 for thread_lib in "" rt rte; do
1095                         if test x"$thread_lib" = x; then
1096                                 add_thread_lib=""
1097                                 IN=""
1098                         else
1099                                 add_thread_lib="-l$thread_lib"
1100                                 IN=" in -l$thread_lib"
1101                         fi
1102                         LIBS="$glib_save_LIBS $add_thread_lib"
1103                         
1104                         AC_MSG_CHECKING(for sched_get_priority_min$IN)
1105                         AC_TRY_RUN([#include <sched.h>
1106                                 #include <errno.h>
1107                                 int main() {
1108                                 errno = 0;
1109                                 return sched_get_priority_min(SCHED_OTHER)==-1
1110                                         && errno != 0;
1111                                 }],
1112                                 [AC_MSG_RESULT(yes)
1113                                 G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib"
1114                                 posix_priority_min="sched_get_priority_min(SCHED_OTHER)"
1115                                 posix_priority_max="sched_get_priority_max(SCHED_OTHER)"
1116                                 break],
1117                                 [AC_MSG_RESULT(no)])
1118                 done
1119                 LIBS="$glib_save_LIBS"
1120                 ;;
1121            esac 
1122            mutex_has_default=yes
1123            mutex_default_type='pthread_mutex_t'
1124            mutex_default_init='PTHREAD_MUTEX_INITIALIZER'
1125            mutex_header_file='pthread.h'
1126            if test "x$have_threads" = "xposix"; then
1127              g_threads_impl="POSIX"
1128            else
1129              g_threads_impl="DCE"
1130              have_threads="posix"
1131            fi
1132            AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES)
1133            CPPFLAGS="$glib_save_CPPFLAGS"
1134            ;;
1135         solaris)
1136            G_THREAD_LIBS=error
1137            AC_CHECK_LIB(thread, cond_init, G_THREAD_LIBS="-lthread")
1138            mutex_has_default=yes
1139            mutex_default_type='mutex_t'
1140            mutex_default_init="DEFAULTMUTEX"
1141            mutex_header_file='thread.h'
1142            g_threads_impl="SOLARIS"
1143            ;;
1144         none)
1145            g_threads_impl="NONE"
1146            ;;
1147         *)
1148            g_threads_impl="NONE"
1149            G_THREAD_LIBS=error
1150            ;;
1151 esac
1152
1153 if test "x$G_THREAD_LIBS" = xerror; then
1154         AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2)
1155 fi
1156
1157 case $host in
1158   *-*-beos*)
1159     G_THREAD_LIBS="-lbe -lroot -lglib "
1160     G_THREAD_LIBS_EXTRA="-L\$(top_builddir_full)/.libs"
1161     ;;
1162   *)
1163     ;;
1164 esac
1165
1166 AC_MSG_CHECKING(thread related libraries)
1167 AC_MSG_RESULT($G_THREAD_LIBS)
1168
1169 dnl check for mt safe function variants and some posix functions
1170 dnl ************************************************************
1171
1172 if test x"$have_threads" != xnone; then
1173         glib_save_LIBS="$LIBS"
1174         # we are not doing the following for now, as this might require glib 
1175         # to always be linked with the thread libs on some platforms. 
1176         # LIBS="$LIBS $G_THREAD_LIBS"
1177         AC_CHECK_FUNCS(localtime_r)
1178         if test "$ac_cv_header_pwd_h" = "yes"; then
1179                 AC_CACHE_CHECK([for posix getpwuid_r],
1180                         ac_cv_func_posix_getpwuid_r,
1181                         [AC_TRY_RUN([#include <errno.h>
1182                                 #include <pwd.h>
1183                                 int main () { char buffer[10000];
1184                                 struct passwd pwd, *pwptr = &pwd;
1185                                 int error;
1186                                 errno = 0;
1187                                 error = getpwuid_r (0, &pwd, buffer, 
1188                                         sizeof (buffer), &pwptr);
1189                                 return (error < 0 && errno == ENOSYS) 
1190                                         || error == ENOSYS; }],
1191                                 [ac_cv_func_posix_getpwuid_r=yes],
1192                                 [ac_cv_func_posix_getpwuid_r=no])])
1193                 if test "$ac_cv_func_posix_getpwuid_r" = yes; then
1194                         AC_DEFINE(HAVE_POSIX_GETPWUID_R,1,
1195                                 [Have POSIX function getpwuid_r])
1196                 else
1197                         AC_CACHE_CHECK([for nonposix getpwuid_r],
1198                                 ac_cv_func_nonposix_getpwuid_r,
1199                                 [AC_TRY_LINK([#include <pwd.h>],
1200                                         [char buffer[10000];
1201                                         struct passwd pwd;
1202                                         getpwuid_r (0, &pwd, buffer, 
1203                                                         sizeof (buffer));],
1204                                         [ac_cv_func_nonposix_getpwuid_r=yes],
1205                                         [ac_cv_func_nonposix_getpwuid_r=no])])
1206                         if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then
1207                                 AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1,
1208                                         [Have non-POSIX function getpwuid_r])
1209                         fi
1210                 fi
1211         fi
1212         LIBS="$LIBS $G_THREAD_LIBS"
1213         if test x"$have_threads" = xposix; then
1214                 glib_save_CPPFLAGS="$CPPFLAGS"
1215                 CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1216                 dnl we might grow sizeof(pthread_t) later on, so use a dummy name here
1217                 GLIB_SIZEOF([#include <pthread.h>], pthread_t, system_thread)
1218                 # This is not AC_CHECK_FUNC to also work with function
1219                 # name mangling in header files.
1220                 AC_MSG_CHECKING(for pthread_attr_setstacksize)
1221                 AC_TRY_LINK([#include <pthread.h>],
1222                         [pthread_attr_t t; pthread_attr_setstacksize(&t,0)],
1223                         [AC_MSG_RESULT(yes)
1224                         AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1,
1225                                   [Have function pthread_attr_setstacksize])],
1226                         [AC_MSG_RESULT(no)])
1227                 AC_MSG_CHECKING(for minimal/maximal thread priority)
1228                 if test x"$posix_priority_min" = xnone; then
1229                         AC_EGREP_CPP(PX_PRIO_MIN,[#include <pthread.h>
1230                                 PX_PRIO_MIN],,[
1231                                 posix_priority_min=PX_PRIO_MIN
1232                                 posix_priority_max=PX_PRIO_MAX])
1233                 fi
1234                 if test x"$posix_priority_min" = xnone; then
1235                         AC_EGREP_CPP(PRI_OTHER_MIN,[#include <pthread.h>
1236                                 PRI_OTHER_MIN],,[
1237                                 posix_priority_min=PRI_OTHER_MIN        
1238                                 posix_priority_max=PRI_OTHER_MAX])
1239                 fi
1240                 if test x"$posix_priority_min" = x; then
1241                         AC_MSG_RESULT(none found)
1242                         AC_MSG_WARN($POSIX_NO_PRIORITIES)
1243                         posix_priority_min=-1
1244                         posix_priority_max=-1
1245                 else
1246                         AC_MSG_RESULT($posix_priority_min/$posix_priority_max)
1247                         AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority])
1248                         AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])
1249                 fi
1250                 posix_yield_func=none
1251                 AC_MSG_CHECKING(for posix yield function)
1252                 for yield_func in sched_yield pthread_yield_np pthread_yield \
1253                                                         thr_yield; do
1254                         AC_TRY_LINK([#include <pthread.h>],
1255                                 [$yield_func()],
1256                                 [posix_yield_func="$yield_func"
1257                                 break])
1258                 done            
1259                 if test x"$posix_yield_func" = xnone; then
1260                         AC_MSG_RESULT(none found)
1261                         AC_MSG_WARN($POSIX_NO_YIELD)
1262                         posix_yield_func="g_usleep(1000)"
1263                 else
1264                         AC_MSG_RESULT($posix_yield_func)
1265                         posix_yield_func="$posix_yield_func()"
1266                 fi
1267                 AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function])
1268                 CPPFLAGS="$glib_save_CPPFLAGS"
1269
1270                 AC_MSG_CHECKING(whether to use the PID niceness surrogate for thread priorities)
1271                 AC_TRY_RUN([#include <pthread.h> 
1272                         #include <sys/types.h>
1273                         #include <unistd.h>
1274                         pid_t other_pid = 0;
1275
1276                         void* func(void* data) {other_pid = getpid();}
1277                         main()
1278                         { pthread_t t; 
1279                           void *ret;
1280                           pthread_create (&t, $defattr, func, NULL);
1281                           pthread_join (t, &ret);
1282                           exit (getpid()==other_pid || 
1283                                 $posix_priority_min != $posix_priority_max);
1284                         }],
1285                         [AC_MSG_RESULT(yes),
1286                           AC_DEFINE(G_THREAD_USE_PID_SURROGATE, 1, [whether to use the PID niceness surrogate for thread priorities])
1287                         ],
1288                         [AC_MSG_RESULT(no)])
1289         else # solaris threads
1290                 GLIB_SIZEOF([#include <thread.h>], thread_t, system_thread)
1291         fi
1292
1293         LIBS="$glib_save_LIBS"
1294
1295         # now spit out all the warnings.
1296         if test "$ac_cv_func_posix_getpwuid_r" != "yes" && 
1297            test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then
1298                 AC_MSG_WARN($FUNC_NO_GETPWUID_R)
1299         fi
1300         if test "$ac_cv_func_localtime_r" != "yes"; then
1301                 AC_MSG_WARN($FUNC_NO_LOCALTIME_R)
1302         fi
1303 else 
1304         # If no thread implementation exists, we will provide enough
1305         # space for a pointer
1306         GLIB_SIZEOF(, void*, system_thread)
1307 fi      
1308
1309 AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c",
1310                    [Source file containing theread implementation])
1311 AC_SUBST(G_THREAD_CFLAGS)
1312 AC_SUBST(G_THREAD_LIBS)
1313 AC_SUBST(G_THREAD_LIBS_EXTRA)
1314
1315 dnl **********************************************
1316 dnl *** GDefaultMutex setup and initialization ***
1317 dnl **********************************************
1318 dnl
1319 dnl if mutex_has_default = yes, we also got
1320 dnl mutex_default_type, mutex_default_init and mutex_header_file
1321 GLIB_IF_VAR_EQ(mutex_has_default, yes,
1322         glib_save_CPPFLAGS="$CPPFLAGS"
1323         glib_save_LIBS="$LIBS"
1324         LIBS="$LIBS $G_THREAD_LIBS"
1325         CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES"
1326         GLIB_SIZEOF([#include <$mutex_header_file>],
1327                     $mutex_default_type,
1328                     gmutex,
1329                     )
1330         GLIB_BYTE_CONTENTS([#include <$mutex_header_file>],
1331                            $mutex_default_type,
1332                            gmutex,
1333                            $glib_cv_sizeof_gmutex,
1334                            $mutex_default_init)
1335         if test x"$glib_cv_byte_contents_gmutex" = xno; then
1336                 mutex_has_default=no
1337         fi
1338         CPPFLAGS="$glib_save_CPPFLAGS"
1339         LIBS="$glib_save_LIBS"
1340         ,
1341 )
1342
1343
1344 dnl ****************************************
1345 dnl *** GLib POLL* compatibility defines ***
1346 dnl ****************************************
1347 GLIB_SYSDEFS(
1348 [#include <sys/types.h>
1349 #include <sys/poll.h>],
1350         POLLIN:1 POLLOUT:4 POLLPRI:2 POLLERR:8 POLLHUP:16 POLLNVAL:32,
1351         glibconfig-sysdefs.h,
1352         =)
1353
1354 dnl **********************
1355 dnl *** Win32 API libs ***
1356 dnl **********************
1357
1358 case $host in
1359   *-*-cygwin*)
1360         G_LIBS_EXTRA="-luser32 -lwsock32 -lkernel32"
1361     ;;
1362   *-*-mingw*)
1363         G_LIBS_EXTRA="-lwsock32"
1364     ;;
1365   *)
1366         G_LIBS_EXTRA=""
1367     ;;
1368 esac
1369 AC_SUBST(G_LIBS_EXTRA)
1370
1371 dnl ***********************
1372 dnl *** Tests for iconv ***
1373 dnl ***********************
1374
1375 AC_ARG_WITH(libiconv, [ --with-libiconv     Use the libiconv library ],,with_libiconv=maybe)
1376
1377 found_iconv=no
1378
1379 if test "x$with_libiconv" != "xyes" ; then
1380    # 
1381    # Check in the C library 
1382    #
1383    AC_CHECK_FUNC(iconv_open, with_libiconv=no; found_iconv=yes)
1384 fi
1385
1386 if test "x$with_libiconv" != "xno" ; then
1387    #
1388    # Check for libiconv
1389    #
1390    AC_CHECK_LIB(iconv, libiconv_open, with_libiconv=yes; found_iconv=yes)
1391 fi
1392
1393 if test "x$found_iconv" = "xno" ; then
1394    AC_MSG_ERROR([*** No iconv() implementation found in C library or libiconv])
1395 fi
1396
1397 if test "x$with_libiconv" = "xyes" ; then
1398   ICONV_LIBS="-liconv"
1399   AC_DEFINE(USE_LIBICONV)
1400 fi
1401 AC_SUBST(ICONV_LIBS)
1402
1403 dnl If the system doesn't define EILSEQ, we should define EILSEQ ourselves
1404 dnl since we need it for g_iconv()
1405
1406 AC_MSG_CHECKING([for EILSEQ])
1407 AC_TRY_COMPILE([
1408 #include <errno.h>
1409 ],
1410 [
1411 int error = EILSEQ;
1412 ], have_eilseq=yes, have_eilseq=no);
1413 AC_MSG_RESULT($have_eilseq)
1414
1415 dnl **************************
1416 dnl *** Checks for gtk-doc ***
1417 dnl **************************
1418
1419 AC_ARG_WITH(html-dir, [  --with-html-dir=PATH path to installed docs ])
1420
1421 if test "x$with_html_dir" = "x" ; then
1422   HTML_DIR='${datadir}/gtk-doc/html'
1423 else
1424   HTML_DIR=$with_html_dir
1425 fi
1426
1427 AC_SUBST(HTML_DIR)
1428
1429 AC_CHECK_PROG(GTKDOC, gtkdoc-mkdb, true, false)
1430
1431 gtk_doc_min_version=0.6
1432 if $GTKDOC ; then 
1433     gtk_doc_version=`gtkdoc-mkdb --version`
1434     AC_MSG_CHECKING([gtk-doc version ($gtk_doc_version) >= $gtk_doc_min_version])
1435     if perl <<EOF ; then
1436       exit (("$gtk_doc_version" =~ /^[[0-9]]+\.[[0-9]]+$/) &&
1437             ("$gtk_doc_version" >= "$gtk_doc_min_version") ? 0 : 1);
1438 EOF
1439       AC_MSG_RESULT(yes)
1440    else
1441       AC_MSG_RESULT(no)
1442       GTKDOC=false
1443    fi
1444 fi
1445
1446 AM_CONDITIONAL(HAVE_GTK_DOC, $GTKDOC)
1447 AC_SUBST(HAVE_GTK_DOC)
1448
1449 AC_CHECK_PROG(DB2HTML, db2html, true, false)
1450 AM_CONDITIONAL(HAVE_DOCBOOK, $DB2HTML)
1451
1452 dnl Let people disable the gtk-doc stuff.
1453 AC_ARG_ENABLE(gtk-doc, [  --enable-gtk-doc  Use gtk-doc to build documentation [default=auto]], enable_gtk_doc="$enableval", enable_gtk_doc=auto)
1454
1455 if test x$enable_gtk_doc = xauto ; then
1456   if test x$GTKDOC = xtrue ; then
1457     enable_gtk_doc=yes
1458   else
1459     enable_gtk_doc=no 
1460   fi
1461 fi
1462
1463 dnl NOTE: We need to use a separate automake conditional for this
1464 dnl       to make this work with the tarballs.
1465 AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)
1466
1467 dnl ******************************
1468 dnl *** output the whole stuff ***
1469 dnl ******************************
1470
1471 AC_OUTPUT_COMMANDS([
1472
1473 ## Generate `glibconfig.h' in two cases
1474 ## 1. `config.status' is run either explicitly, or via configure.
1475 ##     Esp. not when it is run in `Makefile' to generate makefiles and
1476 ##     config.h
1477 ## 2. CONFIG_OTHER is set explicitly
1478 ##
1479 ## Case 1 is difficult.  We know that `automake' sets one of
1480 ## CONFIG_FILES or CONFIG_HEADERS to empty.  This heuristic works
1481 ## only when AM_CONFIG_HEADER is set, however.
1482
1483 if test -n "${CONFIG_FILES}" && test -n "${CONFIG_HEADERS}"; then
1484   # Both CONFIG_FILES and CONFIG_HEADERS are non-empty ==> Case 1
1485   CONFIG_OTHER=${CONFIG_OTHER:-glibconfig.h}
1486 fi
1487 case "$CONFIG_OTHER" in
1488 *glibconfig.h*)
1489         echo creating glibconfig.h
1490         outfile=glibconfig.h-tmp
1491         cat > $outfile <<\_______EOF
1492 /* glibconfig.h
1493  *
1494  * This is a generated file.  Please modify 'configure.in'
1495  */
1496
1497 #ifndef __G_LIBCONFIG_H__
1498 #define __G_LIBCONFIG_H__
1499
1500 #include <gmacros.h>
1501
1502 _______EOF
1503
1504         if test x$glib_limits_h = xyes; then
1505           echo '#include <limits.h>' >> $outfile
1506         fi
1507         if test x$glib_float_h = xyes; then
1508           echo '#include <float.h>' >> $outfile
1509         fi
1510         if test x$glib_values_h = xyes; then
1511           echo '#include <values.h>' >> $outfile
1512         fi
1513         if test "$glib_header_alloca_h" = "yes"; then
1514           echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile
1515         fi
1516         if test x$glib_sys_poll_h = xyes; then
1517           echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile
1518         fi
1519
1520         cat >> $outfile <<_______EOF
1521
1522 G_BEGIN_DECLS
1523
1524 #define G_MINFLOAT      $glib_mf
1525 #define G_MAXFLOAT      $glib_Mf
1526 #define G_MINDOUBLE     $glib_md
1527 #define G_MAXDOUBLE     $glib_Md
1528 #define G_MINSHORT      $glib_ms
1529 #define G_MAXSHORT      $glib_Ms
1530 #define G_MAXUSHORT     $glib_Mus
1531 #define G_MININT        $glib_mi
1532 #define G_MAXINT        $glib_Mi
1533 #define G_MAXUINT       $glib_Mui
1534 #define G_MINLONG       $glib_ml
1535 #define G_MAXLONG       $glib_Ml
1536 #define G_MAXULONG      $glib_Mul
1537
1538 _______EOF
1539
1540
1541         ### this should always be true in a modern C/C++ compiler
1542         cat >>$outfile <<_______EOF
1543 typedef signed char gint8;
1544 typedef unsigned char guint8;
1545 _______EOF
1546
1547
1548         if test -n "$gint16"; then
1549           cat >>$outfile <<_______EOF
1550 typedef signed $gint16 gint16;
1551 typedef unsigned $gint16 guint16;
1552 #define G_GINT16_FORMAT $gint16_format
1553 #define G_GUINT16_FORMAT $guint16_format
1554 _______EOF
1555         fi
1556
1557
1558         if test -n "$gint32"; then
1559           cat >>$outfile <<_______EOF
1560 typedef signed $gint32 gint32;
1561 typedef unsigned $gint32 guint32;
1562 #define G_GINT32_FORMAT $gint32_format
1563 #define G_GUINT32_FORMAT $guint32_format
1564 _______EOF
1565         fi
1566
1567
1568         if test -n "$gint64"; then
1569           cat >>$outfile <<_______EOF
1570 #define G_HAVE_GINT64 1
1571
1572 ${glib_extension}typedef signed $gint64 gint64;
1573 ${glib_extension}typedef unsigned $gint64 guint64;
1574
1575 #define G_GINT64_CONSTANT(val)  $gint64_constant
1576 _______EOF
1577                 if test -n "$gint64_format"; then
1578           cat >>$outfile <<_______EOF
1579 #define G_GINT64_FORMAT $gint64_format
1580 #define G_GUINT64_FORMAT $guint64_format
1581 _______EOF
1582                 fi
1583         fi
1584
1585         cat >>$outfile <<_______EOF
1586
1587 #define GLIB_SIZEOF_VOID_P $glib_void_p
1588 #define GLIB_SIZEOF_LONG   $glib_long
1589
1590 _______EOF
1591
1592         case x$glib_size_t in
1593         x2) echo "typedef gint16  gssize;" >> $outfile
1594             echo "typedef guint16 gsize;"  >> $outfile
1595             ;;
1596         x4) echo "typedef gint32  gssize;" >> $outfile
1597             echo "typedef guint32 gsize;"  >> $outfile
1598             ;;
1599         x8) echo "typedef gint64  gssize;" >> $outfile
1600             echo "typedef guint64 gsize;"  >> $outfile
1601             ;;
1602         *)  echo "#error size of size_t is unknown" >> $outfile
1603             ;;
1604         esac
1605
1606         if test -z "$glib_unknown_void_p"; then
1607           cat >>$outfile <<_______EOF
1608
1609 #define GPOINTER_TO_INT(p)      ((gint)  ${glib_gpi_cast} (p))
1610 #define GPOINTER_TO_UINT(p)     ((guint) ${glib_gpui_cast} (p))
1611
1612 #define GINT_TO_POINTER(i)      ((gpointer) ${glib_gpi_cast} (i))
1613 #define GUINT_TO_POINTER(u)     ((gpointer) ${glib_gpui_cast} (u))
1614 _______EOF
1615         else
1616           echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile
1617         fi
1618
1619
1620
1621         cat >>$outfile <<_______EOF
1622 $glib_atexit
1623 $glib_memmove
1624 $glib_defines
1625 $glib_os
1626
1627 $glib_vacopy
1628
1629 #ifdef  __cplusplus
1630 #define G_HAVE_INLINE   1
1631 #else   /* !__cplusplus */
1632 $glib_inline
1633 #endif  /* !__cplusplus */
1634 _______EOF
1635
1636         echo >>$outfile
1637         if test x$g_have_eilseq = xno; then
1638                 cat >>$outfile <<_______EOF
1639 #ifndef EILSEQ
1640 /* On some systems, like SunOS and NetBSD, EILSEQ is not defined.
1641  * The correspondence between this and the corresponding definition
1642  * in libiconv is essential.
1643  */
1644 #  define EILSEQ ENOENT
1645 #endif
1646 _______EOF
1647
1648         fi
1649
1650         echo >>$outfile
1651         if test x$g_mutex_has_default = xyes; then
1652                 cat >>$outfile <<_______EOF
1653 $g_enable_threads_def G_THREADS_ENABLED
1654 #define G_THREADS_IMPL_$g_threads_impl_def
1655 typedef struct _GStaticMutex GStaticMutex;
1656 struct _GStaticMutex
1657 {
1658   struct _GMutex *runtime_mutex;
1659   union {
1660     char   pad[$g_mutex_sizeof];
1661     double dummy_double;
1662     void  *dummy_pointer;
1663     long   dummy_long;
1664   } static_mutex;
1665 };
1666 #define G_STATIC_MUTEX_INIT     { NULL, { { $g_mutex_contents} } }
1667 #define g_static_mutex_get_mutex(mutex) \
1668   (g_thread_use_default_impl ? ((GMutex*) &((mutex)->static_mutex)) : \
1669    g_static_mutex_get_mutex_impl (&((mutex)->runtime_mutex)))
1670 _______EOF
1671         else
1672                 cat >>$outfile <<_______EOF
1673 $g_enable_threads_def G_THREADS_ENABLED
1674 #define G_THREADS_IMPL_$g_threads_impl_def
1675 typedef struct _GMutex* GStaticMutex;
1676 #define G_STATIC_MUTEX_INIT NULL
1677 #define g_static_mutex_get_mutex(mutex) (g_static_mutex_get_mutex_impl (mutex))
1678 _______EOF
1679         fi
1680
1681         cat >>$outfile <<_______EOF
1682 /* This represents a system thread as used by the implementation. An
1683  * alien implementaion, as loaded by g_thread_init can only count on
1684  * "sizeof (gpointer)" bytes to store their info. We however need more
1685  * for some of our native implementations. */
1686 typedef union _GSystemThread GSystemThread;
1687 union _GSystemThread
1688 {
1689   char   data[$g_system_thread_sizeof];
1690   double dummy_double;
1691   void  *dummy_pointer;
1692   long   dummy_long;
1693 };
1694 _______EOF
1695
1696         echo >>$outfile
1697         g_bit_sizes="16 32"
1698         if test -n "$gint64"; then
1699           g_bit_sizes="$g_bit_sizes 64"
1700         fi
1701         for bits in $g_bit_sizes; do
1702           cat >>$outfile <<_______EOF
1703 #define GINT${bits}_TO_${g_bs_native}(val)      ((gint${bits}) (val))
1704 #define GUINT${bits}_TO_${g_bs_native}(val)     ((guint${bits}) (val))
1705 #define GINT${bits}_TO_${g_bs_alien}(val)       ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val))
1706 #define GUINT${bits}_TO_${g_bs_alien}(val)      (GUINT${bits}_SWAP_LE_BE (val))
1707 _______EOF
1708         done
1709
1710         cat >>$outfile <<_______EOF
1711 #define GLONG_TO_LE(val)        ((glong) GINT${glongbits}_TO_LE (val))
1712 #define GULONG_TO_LE(val)       ((gulong) GUINT${glongbits}_TO_LE (val))
1713 #define GLONG_TO_BE(val)        ((glong) GINT${glongbits}_TO_BE (val))
1714 #define GULONG_TO_BE(val)       ((gulong) GUINT${glongbits}_TO_BE (val))
1715 #define GINT_TO_LE(val)         ((gint) GINT${gintbits}_TO_LE (val))
1716 #define GUINT_TO_LE(val)        ((guint) GUINT${gintbits}_TO_LE (val))
1717 #define GINT_TO_BE(val)         ((gint) GINT${gintbits}_TO_BE (val))
1718 #define GUINT_TO_BE(val)        ((guint) GUINT${gintbits}_TO_BE (val))
1719 #define G_BYTE_ORDER $g_byte_order
1720
1721 _______EOF
1722
1723         if test -r glibconfig-sysdefs.h; then
1724           cat glibconfig-sysdefs.h >>$outfile
1725         fi
1726
1727         cat >>$outfile <<_______EOF
1728
1729 #define G_MODULE_SUFFIX "$g_module_suffix"
1730
1731 G_END_DECLS
1732
1733 #endif /* GLIBCONFIG_H */
1734 _______EOF
1735
1736
1737         if cmp -s $outfile glibconfig.h; then
1738           echo glibconfig.h is unchanged
1739           rm -f $outfile
1740         else
1741           mv $outfile glibconfig.h
1742         fi ;;
1743 esac
1744 ],[
1745
1746 # Note that if two cases are the same, case goes with the first one.
1747 # Note also that this is inside an AC_OUTPUT_COMMAND.  We do not depend
1748 # on variable expansion in case labels.  Look at the generated config.status
1749 # for a hint.
1750
1751 glib_header_alloca_h="$ac_cv_header_alloca_h"
1752
1753 case xyes in
1754 x$ac_cv_header_float_h)
1755   glib_float_h=yes
1756   glib_mf=FLT_MIN glib_Mf=FLT_MAX
1757   glib_md=DBL_MIN glib_Md=DBL_MAX
1758   ;;
1759 x$ac_cv_header_values_h)
1760   glib_values_h=yes
1761   glib_mf=MINFLOAT  glib_Mf=MAXFLOAT
1762   glib_md=MINDOUBLE glib_Md=MAXDOUBLE
1763   ;;
1764 esac
1765
1766 case xyes in
1767 x$ac_cv_header_limits_h)
1768   glib_limits_h=yes
1769   glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX
1770   glib_mi=INT_MIN  glib_Mi=INT_MAX  glib_Mui=UINT_MAX
1771   glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX
1772   ;;
1773 x$ac_cv_header_values_h)
1774   glib_values_h=yes
1775   glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)"
1776   glib_mi=MININT   glib_Mi=MAXINT   glib_Mui="(((guint)G_MAXINT)*2+1)"
1777   glib_ml=MINLONG  glib_Ml=MAXLONG  glib_Mul="(((gulong)G_MAXLONG)*2+1)"
1778   ;;
1779 esac
1780
1781 if test x$ac_cv_header_sys_poll_h = xyes ; then
1782   glib_sys_poll_h=yes
1783 fi
1784
1785 case 2 in
1786 $ac_cv_sizeof_short)            
1787   gint16=short
1788   gint16_format='"hi"'
1789   guint16_format='"hu"'
1790   ;;
1791 $ac_cv_sizeof_int)              
1792   gint16=int
1793   gint16_format='"i"'
1794   guint16_format='"u"'
1795   ;;
1796 esac
1797 case 4 in
1798 $ac_cv_sizeof_short)            
1799   gint32=short
1800   gint32_format='"hi"'
1801   guint32_format='"hu"'
1802   ;;
1803 $ac_cv_sizeof_int)              
1804   gint32=int
1805   gint32_format='"i"'
1806   guint32_format='"u"'
1807   ;;
1808 $ac_cv_sizeof_long)             
1809   gint32=long
1810   gint32_format='"li"'
1811   guint32_format='"lu"'
1812   ;;
1813 esac
1814 case 8 in
1815 $ac_cv_sizeof_int)
1816   gint64=int
1817   gint64_format='"i"'
1818   guint64_format='"u"'
1819   glib_extension=
1820   gint64_constant='(val)'
1821   ;;
1822 $ac_cv_sizeof_long)
1823   gint64=long
1824   gint64_format='"li"'
1825   guint64_format='"lu"'
1826   glib_extension=
1827   gint64_constant='(val##L)'
1828   ;;
1829 $ac_cv_sizeof_long_long)
1830   gint64='long long'
1831   if test -n "$glib_cv_long_long_format"; then
1832     gint64_format='"'$glib_cv_long_long_format'i"'
1833     guint64_format='"'$glib_cv_long_long_format'u"'
1834   fi
1835   glib_extension='G_GNUC_EXTENSION '
1836   gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1837   ;;
1838 esac
1839 glib_size_t=$glib_cv_sizeof_size_t
1840 glib_void_p=$ac_cv_sizeof_long
1841 glib_long=$ac_cv_sizeof_void_p
1842
1843 gintbits=`expr $ac_cv_sizeof_int \* 8`
1844 glongbits=`expr $ac_cv_sizeof_long \* 8`
1845
1846
1847 case $ac_cv_sizeof_void_p in
1848 $ac_cv_sizeof_int)      glib_gpi_cast=''        glib_gpui_cast=''         ;;
1849 $ac_cv_sizeof_long)     glib_gpi_cast='(glong)' glib_gpui_cast='(gulong)' ;;
1850 *)                      glib_unknown_void_p=yes ;;
1851 esac
1852
1853
1854 case xyes in
1855 x$ac_cv_func_atexit)
1856   glib_atexit="
1857 #ifdef NeXT /* @#%@! NeXTStep */
1858 # define g_ATEXIT(proc) (!atexit (proc))
1859 #else
1860 # define g_ATEXIT(proc) (atexit (proc))
1861 #endif"
1862   ;;
1863 x$ac_cv_func_on_exit)
1864   glib_atexit="
1865 #define g_ATEXIT(proc)  (on_exit ((void (*)(int, void*))(proc), NULL))"
1866   ;;
1867 esac
1868
1869 case xyes in
1870 x$ac_cv_func_memmove)
1871   glib_memmove='
1872 #define g_memmove(d,s,n) G_STMT_START { memmove ((d), (s), (n)); } G_STMT_END'
1873   ;;
1874 x$glib_cv_working_bcopy)
1875   glib_memmove="
1876 /* memmove isn't available, but bcopy can copy overlapping memory regions */
1877 #define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END"
1878   ;;
1879 *)  
1880   glib_memmove="
1881 /* memmove isn't found and bcopy can't copy overlapping memory regions, 
1882  * so we have to roll our own copy routine. */
1883 void g_memmove (void* dest, const void * src, unsigned long len);"
1884   ;;
1885 esac
1886
1887 glib_defines="
1888 #define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION
1889 #define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION
1890 #define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION
1891 "
1892
1893 case xyes in
1894 x$glib_cv_va_copy)      glib_vacopy='#define G_VA_COPY  va_copy' ;;
1895 x$glib_cv___va_copy)    glib_vacopy='#define G_VA_COPY  __va_copy' ;;
1896 *)                      glib_vacopy=''
1897 esac
1898
1899 if test x$glib_cv_va_val_copy = xno; then
1900   glib_vacopy="\$glib_vacopy
1901 #define G_VA_COPY_AS_ARRAY 1"
1902 fi
1903
1904 if test x$glib_cv_hasinline = xyes; then
1905     glib_inline='#define G_HAVE_INLINE 1'
1906 fi
1907 if test x$glib_cv_has__inline = xyes; then
1908     glib_inline="\$glib_inline
1909 #define G_HAVE___INLINE 1"
1910 fi
1911 if test x$glib_cv_has__inline__ = xyes; then
1912     glib_inline="\$glib_inline
1913 #define G_HAVE___INLINE__ 1"
1914 fi
1915
1916 case xyes in
1917 x$ac_cv_c_bigendian)
1918   g_byte_order=G_BIG_ENDIAN
1919   g_bs_native=BE
1920   g_bs_alien=LE
1921   ;;
1922 *)
1923   g_byte_order=G_LITTLE_ENDIAN
1924   g_bs_native=LE
1925   g_bs_alien=BE
1926   ;;
1927 esac
1928
1929 g_have_eilseq=$have_eilseq
1930
1931 case x$have_threads in
1932 xnone)  g_enable_threads_def="#undef";;
1933 *)      g_enable_threads_def="#define";;
1934 esac
1935
1936 g_threads_impl_def=$g_threads_impl
1937
1938 g_mutex_has_default="$mutex_has_default"
1939 g_mutex_sizeof="$glib_cv_sizeof_gmutex"
1940 g_system_thread_sizeof="$glib_cv_sizeof_system_thread"
1941 g_mutex_contents="$glib_cv_byte_contents_gmutex"
1942
1943 g_module_suffix="$glib_gmodule_suffix"
1944
1945 case $host in
1946   *-*-beos*)
1947     glib_os="#define G_OS_BEOS"
1948     ;;
1949   *-*-cygwin*)
1950     glib_os="#define G_OS_UNIX
1951 #define G_PLATFORM_WIN32
1952 #define G_WITH_CYGWIN"
1953     ;;
1954   *-*-mingw*)
1955     glib_os="#define G_OS_WIN32
1956 #define G_PLATFORM_WIN32"
1957     ;;
1958   *)
1959     glib_os="#define G_OS_UNIX"
1960     ;;
1961 esac
1962 ])
1963
1964 AC_OUTPUT([
1965 glib-2.0.pc
1966 glib-config-2.0
1967 gmodule-2.0.pc
1968 gthread-2.0.pc
1969 gobject-2.0.pc
1970 glib.spec
1971 Makefile
1972 build/Makefile
1973 build/win32/Makefile
1974 gmodule/gmoduleconf.h
1975 gmodule/Makefile
1976 gobject/Makefile
1977 gthread/Makefile
1978 po/Makefile.in
1979 docs/Makefile
1980 docs/glib-config.1
1981 docs/reference/Makefile
1982 docs/reference/glib/Makefile
1983 docs/reference/gobject/Makefile
1984 tests/Makefile
1985 ],[case "$CONFIG_FILES" in
1986 *glib-config-2.0*)chmod +x glib-config-2.0;;
1987 esac
1988 echo ""
1989 echo " *** IMPORTANT *** "
1990 echo ""
1991 echo "This is a development version of GLib.  You should be using a stable"
1992 echo "version, which is available at ftp://ftp.gtk.org/pub/gtk/v1.2/.  The"
1993 echo "version you just configured is meant for developers of GLib only:"
1994 echo ""
1995 echo "  * You should not base stable software on this version of GLib."
1996 echo "  * GNOME developers should use a stable version of GLib."
1997 echo ""
1998 echo " *** You should be using GLib 1.2 instead. ***"
1999 ])