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