aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.4-p5
   2
   3 dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
   4 dnl This file is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 dnl This program is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  11 dnl PARTICULAR PURPOSE.
  12
  13 dnl ---------------------------------------------------------------------------
  14 dnl
  15 dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker,
  16 dnl Vadim Zeitlin and Ron Lee
  17 dnl
  18 dnl This script is under the wxWindows licence.
  19 dnl
  20 dnl Version: $Id$
  21 dnl ---------------------------------------------------------------------------
  22
  23 dnl ===========================================================================
  24 dnl macros to find the a file in the list of include/lib paths
  25 dnl ===========================================================================
  26
  27 dnl ---------------------------------------------------------------------------
  28 dnl call WX_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes
  29 dnl to the full name of the file that was found or leaves it empty if not found
  30 dnl ---------------------------------------------------------------------------
  31 AC_DEFUN([WX_PATH_FIND_INCLUDES],
  32 [
  33 ac_find_includes=
  34 for ac_dir in $1;
  35   do
  36     if test -f "$ac_dir/$2"; then
  37       ac_find_includes=$ac_dir
  38       break
  39     fi
  40   done
  41 ])
  42
  43 dnl ---------------------------------------------------------------------------
  44 dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_libraries
  45 dnl to the full name of the file that was found or leaves it empty if not found
  46 dnl ---------------------------------------------------------------------------
  47 AC_DEFUN([WX_PATH_FIND_LIBRARIES],
  48 [
  49 ac_find_libraries=
  50 for ac_dir in $1;
  51   do
  52     for ac_extension in a so sl dylib; do
  53       if test -f "$ac_dir/lib$2.$ac_extension"; then
  54         ac_find_libraries=$ac_dir
  55         break 2
  56       fi
  57     done
  58   done
  59 ])
  60
  61 dnl ---------------------------------------------------------------------------
  62 dnl Path to include, already defined
  63 dnl ---------------------------------------------------------------------------
  64 AC_DEFUN([WX_INCLUDE_PATH_EXIST],
  65 [
  66   ac_path_to_include=$1
  67   echo "$2" | grep "\-I$1" > /dev/null
  68   result=$?
  69   if test $result = 0; then
  70     ac_path_to_include=""
  71   else
  72     ac_path_to_include=" -I$1"
  73   fi
  74 ])
  75
  76 dnl ---------------------------------------------------------------------------
  77 dnl Path to link, already defined
  78 dnl ---------------------------------------------------------------------------
  79 AC_DEFUN([WX_LINK_PATH_EXIST],
  80 [
  81   echo "$2" | grep "\-L$1" > /dev/null
  82   result=$?
  83   if test $result = 0; then
  84     ac_path_to_link=""
  85   else
  86     ac_path_to_link=" -L$1"
  87   fi
  88 ])
  89
  90 dnl ===========================================================================
  91 dnl C++ features test
  92 dnl ===========================================================================
  93
  94 dnl ---------------------------------------------------------------------------
  95 dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
  96 dnl or only the old <iostream.h> one - it may be generally assumed that if
  97 dnl <iostream> exists, the other "new" headers (without .h) exist too.
  98 dnl
  99 dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling)
 100 dnl ---------------------------------------------------------------------------
 101
 102 AC_DEFUN([WX_CPP_NEW_HEADERS],
 103 [
 104   if test "$cross_compiling" = "yes"; then
 105     ifelse([$2], , :, [$2])
 106   else
 107     AC_LANG_SAVE
 108     AC_LANG_CPLUSPLUS
 109
 110     AC_CHECK_HEADERS(iostream)
 111
 112     if test "$ac_cv_header_iostream" = "yes" ; then
 113       ifelse([$1], , :, [$1])
 114     else
 115       ifelse([$2], , :, [$2])
 116     fi
 117
 118     AC_LANG_RESTORE
 119   fi
 120 ])
 121
 122 dnl ---------------------------------------------------------------------------
 123 dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
 124 dnl
 125 dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
 126 dnl ---------------------------------------------------------------------------
 127
 128 AC_DEFUN([WX_CPP_BOOL],
 129 [
 130   AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
 131   [
 132     AC_LANG_SAVE
 133     AC_LANG_CPLUSPLUS
 134
 135     AC_TRY_COMPILE(
 136       [
 137       ],
 138       [
 139         bool b = true;
 140
 141         return 0;
 142       ],
 143       [
 144         wx_cv_cpp_bool=yes
 145       ],
 146       [
 147         wx_cv_cpp_bool=no
 148       ]
 149     )
 150
 151     AC_LANG_RESTORE
 152   ])
 153
 154   if test "$wx_cv_cpp_bool" = "yes"; then
 155     AC_DEFINE(HAVE_BOOL)
 156   fi
 157 ])
 158
 159 dnl ---------------------------------------------------------------------------
 160 dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
 161 dnl keyword and defines HAVE_EXPLICIT if this is the case
 162 dnl ---------------------------------------------------------------------------
 163
 164 AC_DEFUN([WX_CPP_EXPLICIT],
 165 [
 166   AC_CACHE_CHECK([if C++ compiler supports the explicit keyword],
 167                  wx_cv_explicit,
 168   [
 169     AC_LANG_SAVE
 170     AC_LANG_CPLUSPLUS
 171
 172     dnl do the test in 2 steps: first check that the compiler knows about the
 173     dnl explicit keyword at all and then verify that it really honours it
 174     AC_TRY_COMPILE(
 175       [
 176         class Foo { public: explicit Foo(int) {} };
 177       ],
 178       [
 179         return 0;
 180       ],
 181       [
 182         AC_TRY_COMPILE(
 183             [
 184                 class Foo { public: explicit Foo(int) {} };
 185                 static void TakeFoo(const Foo& foo) { }
 186             ],
 187             [
 188                 TakeFoo(17);
 189                 return 0;
 190             ],
 191             wx_cv_explicit=no,
 192             wx_cv_explicit=yes
 193         )
 194       ],
 195       wx_cv_explicit=no
 196     )
 197
 198     AC_LANG_RESTORE
 199   ])
 200
 201   if test "$wx_cv_explicit" = "yes"; then
 202     AC_DEFINE(HAVE_EXPLICIT)
 203   fi
 204 ])
 205
 206 dnl ---------------------------------------------------------------------------
 207 dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
 208 dnl ---------------------------------------------------------------------------
 209
 210 AC_DEFUN([WX_C_BIGENDIAN],
 211 [AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian,
 212 [ac_cv_c_bigendian=unknown
 213 # See if sys/param.h defines the BYTE_ORDER macro.
 214 AC_TRY_COMPILE([#include <sys/types.h>
 215 #include <sys/param.h>], [
 216 #if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
 217  bogus endian macros
 218 #endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
 219 AC_TRY_COMPILE([#include <sys/types.h>
 220 #include <sys/param.h>], [
 221 #if BYTE_ORDER != BIG_ENDIAN
 222  not big endian
 223 #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
 224 if test $ac_cv_c_bigendian = unknown; then
 225 AC_TRY_RUN([main () {
 226   /* Are we little or big endian?  From Harbison&Steele.  */
 227   union
 228   {
 229     long l;
 230     char c[sizeof (long)];
 231   } u;
 232   u.l = 1;
 233   exit (u.c[sizeof (long) - 1] == 1);
 234 }], [ac_cv_c_bigendian=no], [ac_cv_c_bigendian=yes], [ac_cv_c_bigendian=unknown])
 235 fi])
 236 if test $ac_cv_c_bigendian = unknown; then
 237   AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
 238 fi
 239 if test $ac_cv_c_bigendian = yes; then
 240   AC_DEFINE(WORDS_BIGENDIAN)
 241 fi
 242 ])
 243
 244 dnl ---------------------------------------------------------------------------
 245 dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
 246 dnl ---------------------------------------------------------------------------
 247
 248 AC_DEFUN([WX_ARG_CACHE_INIT],
 249         [
 250           wx_arg_cache_file="configarg.cache"
 251           echo "loading argument cache $wx_arg_cache_file"
 252           rm -f ${wx_arg_cache_file}.tmp
 253           touch ${wx_arg_cache_file}.tmp
 254           touch ${wx_arg_cache_file}
 255         ])
 256
 257 AC_DEFUN([WX_ARG_CACHE_FLUSH],
 258         [
 259           echo "saving argument cache $wx_arg_cache_file"
 260           mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
 261         ])
 262
 263 dnl this macro checks for a three-valued command line --with argument:
 264 dnl   possible arguments are 'yes', 'no', 'sys', or 'builtin'
 265 dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
 266 AC_DEFUN([WX_ARG_SYS_WITH],
 267         [
 268           AC_MSG_CHECKING([for --with-$1])
 269           no_cache=0
 270           AC_ARG_WITH($1, [$2],
 271                       [
 272                         if test "$withval" = yes; then
 273                           ac_cv_use_$1='$3=yes'
 274                         elif test "$withval" = no; then
 275                           ac_cv_use_$1='$3=no'
 276                         elif test "$withval" = sys; then
 277                           ac_cv_use_$1='$3=sys'
 278                         elif test "$withval" = builtin; then
 279                           ac_cv_use_$1='$3=builtin'
 280                         else
 281                           AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
 282                         fi
 283                       ],
 284                       [
 285                         LINE=`grep "$3" ${wx_arg_cache_file}`
 286                         if test "x$LINE" != x ; then
 287                           eval "DEFAULT_$LINE"
 288                         else
 289                           no_cache=1
 290                         fi
 291
 292                         ac_cv_use_$1='$3='$DEFAULT_$3
 293                       ])
 294
 295           eval "$ac_cv_use_$1"
 296           if test "$no_cache" != 1; then
 297             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 298           fi
 299
 300           if test "$$3" = yes; then
 301             AC_MSG_RESULT(yes)
 302           elif test "$$3" = no; then
 303             AC_MSG_RESULT(no)
 304           elif test "$$3" = sys; then
 305             AC_MSG_RESULT([system version])
 306           elif test "$$3" = builtin; then
 307             AC_MSG_RESULT([builtin version])
 308           else
 309             AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
 310           fi
 311         ])
 312
 313 dnl this macro checks for a command line argument and caches the result
 314 dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
 315 AC_DEFUN([WX_ARG_WITH],
 316         [
 317           AC_MSG_CHECKING([for --with-$1])
 318           no_cache=0
 319           AC_ARG_WITH($1, [$2],
 320                       [
 321                         if test "$withval" = yes; then
 322                           ac_cv_use_$1='$3=yes'
 323                         else
 324                           ac_cv_use_$1='$3=no'
 325                         fi
 326                       ],
 327                       [
 328                         LINE=`grep "$3" ${wx_arg_cache_file}`
 329                         if test "x$LINE" != x ; then
 330                           eval "DEFAULT_$LINE"
 331                         else
 332                           no_cache=1
 333                         fi
 334
 335                         ac_cv_use_$1='$3='$DEFAULT_$3
 336                       ])
 337
 338           eval "$ac_cv_use_$1"
 339           if test "$no_cache" != 1; then
 340             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 341           fi
 342
 343           if test "$$3" = yes; then
 344             AC_MSG_RESULT(yes)
 345           else
 346             AC_MSG_RESULT(no)
 347           fi
 348         ])
 349
 350 dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
 351 dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name, enablestring)
 352 AC_DEFUN([WX_ARG_ENABLE],
 353         [
 354           enablestring=$4
 355           AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
 356           no_cache=0
 357           AC_ARG_ENABLE($1, [$2],
 358                         [
 359                           if test "$enableval" = yes; then
 360                             ac_cv_use_$1='$3=yes'
 361                           else
 362                             ac_cv_use_$1='$3=no'
 363                           fi
 364                         ],
 365                         [
 366                           LINE=`grep "$3" ${wx_arg_cache_file}`
 367                           if test "x$LINE" != x ; then
 368                             eval "DEFAULT_$LINE"
 369                           else
 370                             no_cache=1
 371                           fi
 372
 373                           ac_cv_use_$1='$3='$DEFAULT_$3
 374                         ])
 375
 376           eval "$ac_cv_use_$1"
 377           if test "$no_cache" != 1; then
 378             echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
 379           fi
 380
 381           if test "$$3" = yes; then
 382             AC_MSG_RESULT(yes)
 383           else
 384             AC_MSG_RESULT(no)
 385           fi
 386         ])
 387
 388
 389
 390 dnl ===========================================================================
 391 dnl "3rd party" macros included here because they are not widely available
 392 dnl ===========================================================================
 393
 394 dnl ---------------------------------------------------------------------------
 395 dnl test for availability of iconv()
 396 dnl ---------------------------------------------------------------------------
 397
 398 dnl From Bruno Haible.
 399
 400 AC_DEFUN([AM_ICONV],
 401 [
 402   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
 403   dnl those with the standalone portable GNU libiconv installed).
 404
 405   AC_ARG_WITH([libiconv-prefix],
 406 [  --with-libiconv-prefix=DIR  search for libiconv in DIR/include and DIR/lib], [
 407     for dir in `echo "$withval" | tr : ' '`; do
 408       if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
 409       if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
 410     done
 411    ])
 412
 413   AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
 414     am_cv_func_iconv="no, consider installing GNU libiconv"
 415     am_cv_lib_iconv=no
 416     AC_TRY_LINK([#include <stdlib.h>
 417 #include <iconv.h>],
 418       [iconv_t cd = iconv_open("","");
 419        iconv(cd,NULL,NULL,NULL,NULL);
 420        iconv_close(cd);],
 421       am_cv_func_iconv=yes)
 422     if test "$am_cv_func_iconv" != yes; then
 423       am_save_LIBS="$LIBS"
 424       LIBS="$LIBS -liconv"
 425       AC_TRY_LINK([#include <stdlib.h>
 426 #include <iconv.h>],
 427         [iconv_t cd = iconv_open("","");
 428          iconv(cd,NULL,NULL,NULL,NULL);
 429          iconv_close(cd);],
 430         am_cv_lib_iconv=yes
 431         am_cv_func_iconv=yes)
 432       LIBS="$am_save_LIBS"
 433     fi
 434   ])
 435   if test "$am_cv_func_iconv" = yes; then
 436     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
 437     AC_CACHE_CHECK([if iconv needs const], wx_cv_func_iconv_const,
 438       AC_TRY_COMPILE([
 439 #include <stdlib.h>
 440 #include <iconv.h>
 441 extern
 442 #ifdef __cplusplus
 443 "C"
 444 #endif
 445 #if defined(__STDC__) || defined(__cplusplus)
 446 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
 447 #else
 448 size_t iconv();
 449 #endif
 450         ],
 451         [],
 452         wx_cv_func_iconv_const="no",
 453         wx_cv_func_iconv_const="yes"
 454       )
 455     )
 456
 457     iconv_const=
 458     if test "x$wx_cv_func_iconv_const" = "xyes"; then
 459         iconv_const="const"
 460     fi
 461
 462     AC_DEFINE_UNQUOTED(ICONV_CONST, $iconv_const,
 463       [Define as const if the declaration of iconv() needs const.])
 464   fi
 465   LIBICONV=
 466   if test "$am_cv_lib_iconv" = yes; then
 467     LIBICONV="-liconv"
 468   fi
 469   AC_SUBST(LIBICONV)
 470 ])
 471
 472 dnl ---------------------------------------------------------------------------
 473 dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x)
 474 dnl ---------------------------------------------------------------------------
 475
 476 dnl WX_SYS_LARGEFILE_TEST
 477 dnl
 478 dnl NB: original autoconf test was checking if compiler supported 6 bit off_t
 479 dnl     arithmetic properly but this failed miserably with gcc under Linux
 480 dnl     whereas the system still supports 64 bit files, so now simply check
 481 dnl     that off_t is big enough
 482 define(WX_SYS_LARGEFILE_TEST,
 483 [typedef struct {
 484     unsigned int field: sizeof(off_t) == 8;
 485 } wxlf;
 486 ])
 487
 488
 489 dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
 490 define(WX_SYS_LARGEFILE_MACRO_VALUE,
 491 [
 492     AC_CACHE_CHECK([for $1 value needed for large files], [$3],
 493         [
 494           AC_TRY_COMPILE([#define $1 $2
 495                           #include <sys/types.h>],
 496                          WX_SYS_LARGEFILE_TEST,
 497                          [$3=$2],
 498                          [$3=no])
 499         ]
 500     )
 501
 502     if test "$$3" != no; then
 503         wx_largefile=yes
 504         AC_DEFINE_UNQUOTED([$1], [$$3])
 505     fi
 506 ])
 507
 508
 509 dnl AC_SYS_LARGEFILE
 510 dnl ----------------
 511 dnl By default, many hosts won't let programs access large files;
 512 dnl one must use special compiler options to get large-file access to work.
 513 dnl For more details about this brain damage please see:
 514 dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
 515 AC_DEFUN([AC_SYS_LARGEFILE],
 516 [AC_ARG_ENABLE(largefile,
 517                [  --disable-largefile     omit support for large files])
 518 if test "$enable_largefile" != no; then
 519     dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ...
 520     dnl _LARGE_FILES -- for AIX
 521     wx_largefile=no
 522     WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits)
 523     if test "x$wx_largefile" != "xyes"; then
 524         WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files)
 525     fi
 526
 527     AC_MSG_CHECKING(if large file support is available)
 528     if test "x$wx_largefile" = "xyes"; then
 529         AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
 530     fi
 531     AC_MSG_RESULT($wx_largefile)
 532 fi
 533 ])
 534
 535 # Configure paths for GTK+
 536 # Owen Taylor     1997-2001
 537
 538 dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 539 dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES,
 540 dnl pass to pkg-config
 541 dnl
 542 AC_DEFUN(AM_PATH_GTK_2_0,
 543 [dnl
 544 dnl Get the cflags and libraries from pkg-config
 545 dnl
 546 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
 547                     , enable_gtktest=yes)
 548
 549   pkg_config_args=gtk+-2.0
 550   for module in . $4
 551   do
 552       case "$module" in
 553          gthread)
 554              pkg_config_args="$pkg_config_args gthread-2.0"
 555          ;;
 556       esac
 557   done
 558
 559   no_gtk=""
 560
 561   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 562
 563   if test x$PKG_CONFIG != xno ; then
 564     if pkg-config --atleast-pkgconfig-version 0.7 ; then
 565       :
 566     else
 567       echo *** pkg-config too old; version 0.7 or better required.
 568       no_gtk=yes
 569       PKG_CONFIG=no
 570     fi
 571   else
 572     no_gtk=yes
 573   fi
 574
 575   min_gtk_version=ifelse([$1], ,2.0.0,$1)
 576   AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
 577
 578   if test x$PKG_CONFIG != xno ; then
 579     ## don't try to run the test against uninstalled libtool libs
 580     if $PKG_CONFIG --uninstalled $pkg_config_args; then
 581           echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
 582           enable_gtktest=no
 583     fi
 584
 585     if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
 586           :
 587     else
 588           no_gtk=yes
 589     fi
 590   fi
 591
 592   if test x"$no_gtk" = x ; then
 593     GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
 594     GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
 595     gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 596            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 597     gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 598            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 599     gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
 600            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 601     if test "x$enable_gtktest" = "xyes" ; then
 602       ac_save_CFLAGS="$CFLAGS"
 603       ac_save_LIBS="$LIBS"
 604       CFLAGS="$CFLAGS $GTK_CFLAGS"
 605       LIBS="$GTK_LIBS $LIBS"
 606 dnl
 607 dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
 608 dnl checks the results of pkg-config to some extent)
 609 dnl
 610       rm -f conf.gtktest
 611       AC_TRY_RUN([
 612 #include <gtk/gtk.h>
 613 #include <stdio.h>
 614 #include <stdlib.h>
 615
 616 int
 617 main ()
 618 {
 619   int major, minor, micro;
 620   char *tmp_version;
 621
 622   system ("touch conf.gtktest");
 623
 624   /* HP/UX 9 (%@#!) writes to sscanf strings */
 625   tmp_version = g_strdup("$min_gtk_version");
 626   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 627      printf("%s, bad version string\n", "$min_gtk_version");
 628      exit(1);
 629    }
 630
 631   if ((gtk_major_version != $gtk_config_major_version) ||
 632       (gtk_minor_version != $gtk_config_minor_version) ||
 633       (gtk_micro_version != $gtk_config_micro_version))
 634     {
 635       printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 636              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 637              gtk_major_version, gtk_minor_version, gtk_micro_version);
 638       printf ("*** was found! If pkg-config was correct, then it is best\n");
 639       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 640       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 641       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 642       printf("*** required on your system.\n");
 643       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
 644       printf("*** to point to the correct configuration files\n");
 645     }
 646   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 647            (gtk_minor_version != GTK_MINOR_VERSION) ||
 648            (gtk_micro_version != GTK_MICRO_VERSION))
 649     {
 650       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 651              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 652       printf("*** library (version %d.%d.%d)\n",
 653              gtk_major_version, gtk_minor_version, gtk_micro_version);
 654     }
 655   else
 656     {
 657       if ((gtk_major_version > major) ||
 658         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 659         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 660       {
 661         return 0;
 662        }
 663      else
 664       {
 665         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 666                gtk_major_version, gtk_minor_version, gtk_micro_version);
 667         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 668                major, minor, micro);
 669         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 670         printf("***\n");
 671         printf("*** If you have already installed a sufficiently new version, this error\n");
 672         printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
 673         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 674         printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
 675         printf("*** correct copy of pkg-config. (In this case, you will have to\n");
 676         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 677         printf("*** so that the correct libraries are found at run-time))\n");
 678       }
 679     }
 680   return 1;
 681 }
 682 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 683        CFLAGS="$ac_save_CFLAGS"
 684        LIBS="$ac_save_LIBS"
 685      fi
 686   fi
 687   if test "x$no_gtk" = x ; then
 688      AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
 689      ifelse([$2], , :, [$2])
 690   else
 691      AC_MSG_RESULT(no)
 692      if test "$PKG_CONFIG" = "no" ; then
 693        echo "*** A new enough version of pkg-config was not found."
 694        echo "*** See http://pkgconfig.sourceforge.net"
 695      else
 696        if test -f conf.gtktest ; then
 697         :
 698        else
 699           echo "*** Could not run GTK+ test program, checking why..."
 700           ac_save_CFLAGS="$CFLAGS"
 701           ac_save_LIBS="$LIBS"
 702           CFLAGS="$CFLAGS $GTK_CFLAGS"
 703           LIBS="$LIBS $GTK_LIBS"
 704           AC_TRY_LINK([
 705 #include <gtk/gtk.h>
 706 #include <stdio.h>
 707 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 708         [ echo "*** The test program compiled, but did not run. This usually means"
 709           echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
 710           echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
 711           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 712           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 713           echo "*** is required on your system"
 714           echo "***"
 715           echo "*** If you have an old version installed, it is best to remove it, although"
 716           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
 717         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 718           echo "*** exact error that occured. This usually means GTK+ is incorrectly installed."])
 719           CFLAGS="$ac_save_CFLAGS"
 720           LIBS="$ac_save_LIBS"
 721        fi
 722      fi
 723      GTK_CFLAGS=""
 724      GTK_LIBS=""
 725      ifelse([$3], , :, [$3])
 726   fi
 727   AC_SUBST(GTK_CFLAGS)
 728   AC_SUBST(GTK_LIBS)
 729   rm -f conf.gtktest
 730 ])
 731
 732
 733 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
 734 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
 735 dnl also defines GSTUFF_PKG_ERRORS on error
 736 AC_DEFUN(PKG_CHECK_MODULES, [
 737   succeeded=no
 738
 739   if test -z "$PKG_CONFIG"; then
 740     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
 741   fi
 742
 743   if test "$PKG_CONFIG" = "no" ; then
 744      echo "*** The pkg-config script could not be found. Make sure it is"
 745      echo "*** in your path, or set the PKG_CONFIG environment variable"
 746      echo "*** to the full path to pkg-config."
 747      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
 748   else
 749      PKG_CONFIG_MIN_VERSION=0.9.0
 750      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
 751         AC_MSG_CHECKING(for $2)
 752
 753         if $PKG_CONFIG --exists "$2" ; then
 754             AC_MSG_RESULT(yes)
 755             succeeded=yes
 756
 757             AC_MSG_CHECKING($1_CFLAGS)
 758             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
 759             AC_MSG_RESULT($$1_CFLAGS)
 760
 761             AC_MSG_CHECKING($1_LIBS)
 762             $1_LIBS=`$PKG_CONFIG --libs "$2"`
 763             AC_MSG_RESULT($$1_LIBS)
 764         else
 765             $1_CFLAGS=""
 766             $1_LIBS=""
 767             ## If we have a custom action on failure, don't print errors, but
 768             ## do set a variable so people can do so.
 769             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
 770             ifelse([$4], ,echo $$1_PKG_ERRORS,)
 771         fi
 772
 773         AC_SUBST($1_CFLAGS)
 774         AC_SUBST($1_LIBS)
 775      else
 776         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
 777         echo "*** See http://www.freedesktop.org/software/pkgconfig"
 778      fi
 779   fi
 780
 781   if test $succeeded = yes; then
 782      ifelse([$3], , :, [$3])
 783   else
 784      ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
 785   fi
 786 ])
 787
 788
 789
 790 # Configure paths for GTK+
 791 # Owen Taylor     97-11-3
 792
 793 dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 794 dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
 795 dnl
 796 AC_DEFUN(AM_PATH_GTK,
 797 [dnl
 798 dnl Get the cflags and libraries from the gtk-config script
 799 dnl
 800 AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
 801             gtk_config_prefix="$withval", gtk_config_prefix="")
 802 AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
 803             gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
 804 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
 805                     , enable_gtktest=yes)
 806
 807   for module in . $4
 808   do
 809       case "$module" in
 810          gthread)
 811              gtk_config_args="$gtk_config_args gthread"
 812          ;;
 813       esac
 814   done
 815
 816   if test x$gtk_config_exec_prefix != x ; then
 817      gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
 818      if test x${GTK_CONFIG+set} != xset ; then
 819         GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
 820      fi
 821   fi
 822   if test x$gtk_config_prefix != x ; then
 823      gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
 824      if test x${GTK_CONFIG+set} != xset ; then
 825         GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
 826      fi
 827   fi
 828
 829   AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
 830   min_gtk_version=ifelse([$1], ,0.99.7,$1)
 831   AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
 832   no_gtk=""
 833   if test "$GTK_CONFIG" = "no" ; then
 834     no_gtk=yes
 835   else
 836     GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
 837     GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
 838     gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
 839            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 840     gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
 841            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 842     gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
 843            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 844     if test "x$enable_gtktest" = "xyes" ; then
 845       ac_save_CFLAGS="$CFLAGS"
 846       ac_save_LIBS="$LIBS"
 847       CFLAGS="$CFLAGS $GTK_CFLAGS"
 848       LIBS="$GTK_LIBS $LIBS"
 849 dnl
 850 dnl Now check if the installed GTK is sufficiently new. (Also sanity
 851 dnl checks the results of gtk-config to some extent
 852 dnl
 853       rm -f conf.gtktest
 854       AC_TRY_RUN([
 855 #include <gtk/gtk.h>
 856 #include <stdio.h>
 857 #include <stdlib.h>
 858
 859 int
 860 main ()
 861 {
 862   int major, minor, micro;
 863   char *tmp_version;
 864
 865   system ("touch conf.gtktest");
 866
 867   /* HP/UX 9 (%@#!) writes to sscanf strings */
 868   tmp_version = g_strdup("$min_gtk_version");
 869   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
 870      printf("%s, bad version string\n", "$min_gtk_version");
 871      exit(1);
 872    }
 873
 874   if ((gtk_major_version != $gtk_config_major_version) ||
 875       (gtk_minor_version != $gtk_config_minor_version) ||
 876       (gtk_micro_version != $gtk_config_micro_version))
 877     {
 878       printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 879              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 880              gtk_major_version, gtk_minor_version, gtk_micro_version);
 881       printf ("*** was found! If gtk-config was correct, then it is best\n");
 882       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 883       printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
 884       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 885       printf("*** required on your system.\n");
 886       printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
 887       printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
 888       printf("*** before re-running configure\n");
 889     }
 890 #if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
 891   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 892            (gtk_minor_version != GTK_MINOR_VERSION) ||
 893            (gtk_micro_version != GTK_MICRO_VERSION))
 894     {
 895       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 896              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 897       printf("*** library (version %d.%d.%d)\n",
 898              gtk_major_version, gtk_minor_version, gtk_micro_version);
 899     }
 900 #endif /* defined (GTK_MAJOR_VERSION) ... */
 901   else
 902     {
 903       if ((gtk_major_version > major) ||
 904         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 905         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 906       {
 907         return 0;
 908        }
 909      else
 910       {
 911         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 912                gtk_major_version, gtk_minor_version, gtk_micro_version);
 913         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 914                major, minor, micro);
 915         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 916         printf("***\n");
 917         printf("*** If you have already installed a sufficiently new version, this error\n");
 918         printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
 919         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 920         printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
 921         printf("*** correct copy of gtk-config. (In this case, you will have to\n");
 922         printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
 923         printf("*** so that the correct libraries are found at run-time))\n");
 924       }
 925     }
 926   return 1;
 927 }
 928 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 929        CFLAGS="$ac_save_CFLAGS"
 930        LIBS="$ac_save_LIBS"
 931      fi
 932   fi
 933   if test "x$no_gtk" = x ; then
 934      AC_MSG_RESULT(yes)
 935      ifelse([$2], , :, [$2])
 936   else
 937      AC_MSG_RESULT(no)
 938      if test "$GTK_CONFIG" = "no" ; then
 939        echo "*** The gtk-config script installed by GTK could not be found"
 940        echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
 941        echo "*** your path, or set the GTK_CONFIG environment variable to the"
 942        echo "*** full path to gtk-config."
 943      else
 944        if test -f conf.gtktest ; then
 945         :
 946        else
 947           echo "*** Could not run GTK test program, checking why..."
 948           CFLAGS="$CFLAGS $GTK_CFLAGS"
 949           LIBS="$LIBS $GTK_LIBS"
 950           AC_TRY_LINK([
 951 #include <gtk/gtk.h>
 952 #include <stdio.h>
 953 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 954         [ echo "*** The test program compiled, but did not run. This usually means"
 955           echo "*** that the run-time linker is not finding GTK or finding the wrong"
 956           echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
 957           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 958           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 959           echo "*** is required on your system"
 960           echo "***"
 961           echo "*** If you have an old version installed, it is best to remove it, although"
 962           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
 963           echo "***"
 964           echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
 965           echo "*** came with the system with the command"
 966           echo "***"
 967           echo "***    rpm --erase --nodeps gtk gtk-devel" ],
 968         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 969           echo "*** exact error that occured. This usually means GTK was incorrectly installed"
 970           echo "*** or that you have moved GTK since it was installed. In the latter case, you"
 971           echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
 972           CFLAGS="$ac_save_CFLAGS"
 973           LIBS="$ac_save_LIBS"
 974        fi
 975      fi
 976      GTK_CFLAGS=""
 977      GTK_LIBS=""
 978      ifelse([$3], , :, [$3])
 979   fi
 980   AC_SUBST(GTK_CFLAGS)
 981   AC_SUBST(GTK_LIBS)
 982   rm -f conf.gtktest
 983 ])
 984