build/aclocal/gtk-2.0.m4

   1 # Configure paths for GTK+
   2 # Owen Taylor     1997-2001
   3
   4 dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
   5 dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES,
   6 dnl pass to pkg-config
   7 dnl
   8 AC_DEFUN([AM_PATH_GTK_2_0],
   9 [dnl
  10 dnl Get the cflags and libraries from pkg-config
  11 dnl
  12 AC_ARG_ENABLE(gtktest, [  --disable-gtktest       do not try to compile and run a test GTK+ program],
  13                     , enable_gtktest=yes)
  14
  15   pkg_config_args=gtk+-2.0
  16   for module in . $4
  17   do
  18       case "$module" in
  19          gthread)
  20              pkg_config_args="$pkg_config_args gthread-2.0"
  21          ;;
  22       esac
  23   done
  24
  25   no_gtk=""
  26
  27   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  28
  29   if test x$PKG_CONFIG != xno ; then
  30     if pkg-config --atleast-pkgconfig-version 0.7 ; then
  31       :
  32     else
  33       echo "*** pkg-config too old; version 0.7 or better required."
  34       no_gtk=yes
  35       PKG_CONFIG=no
  36     fi
  37   else
  38     no_gtk=yes
  39   fi
  40
  41   min_gtk_version=ifelse([$1], ,2.0.0,$1)
  42   AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version)
  43
  44   if test x$PKG_CONFIG != xno ; then
  45     ## don't try to run the test against uninstalled libtool libs
  46     if $PKG_CONFIG --uninstalled $pkg_config_args; then
  47           echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH"
  48           enable_gtktest=no
  49     fi
  50
  51     if $PKG_CONFIG --atleast-version $min_gtk_version $pkg_config_args; then
  52           :
  53     else
  54           no_gtk=yes
  55     fi
  56   fi
  57
  58   if test x"$no_gtk" = x ; then
  59     GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags`
  60     GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs`
  61     gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
  62            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  63     gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
  64            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  65     gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
  66            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  67     if test "x$enable_gtktest" = "xyes" ; then
  68       ac_save_CFLAGS="$CFLAGS"
  69       ac_save_LIBS="$LIBS"
  70       CFLAGS="$CFLAGS $GTK_CFLAGS"
  71       LIBS="$GTK_LIBS $LIBS"
  72 dnl
  73 dnl Now check if the installed GTK+ is sufficiently new. (Also sanity
  74 dnl checks the results of pkg-config to some extent)
  75 dnl
  76       rm -f conf.gtktest
  77       AC_TRY_RUN([
  78 #include <gtk/gtk.h>
  79 #include <stdio.h>
  80 #include <stdlib.h>
  81
  82 int
  83 main ()
  84 {
  85   int major, minor, micro;
  86   char *tmp_version;
  87
  88   system ("touch conf.gtktest");
  89
  90   /* HP/UX 9 (%@#!) writes to sscanf strings */
  91   tmp_version = g_strdup("$min_gtk_version");
  92   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
  93      printf("%s, bad version string\n", "$min_gtk_version");
  94      exit(1);
  95    }
  96
  97   if ((gtk_major_version != $gtk_config_major_version) ||
  98       (gtk_minor_version != $gtk_config_minor_version) ||
  99       (gtk_micro_version != $gtk_config_micro_version))
 100     {
 101       printf("\n*** 'pkg-config --modversion gtk+-2.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
 102              $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
 103              gtk_major_version, gtk_minor_version, gtk_micro_version);
 104       printf ("*** was found! If pkg-config was correct, then it is best\n");
 105       printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
 106       printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n");
 107       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
 108       printf("*** required on your system.\n");
 109       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
 110       printf("*** to point to the correct configuration files\n");
 111     }
 112   else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
 113            (gtk_minor_version != GTK_MINOR_VERSION) ||
 114            (gtk_micro_version != GTK_MICRO_VERSION))
 115     {
 116       printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
 117              GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
 118       printf("*** library (version %d.%d.%d)\n",
 119              gtk_major_version, gtk_minor_version, gtk_micro_version);
 120     }
 121   else
 122     {
 123       if ((gtk_major_version > major) ||
 124         ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
 125         ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
 126       {
 127         return 0;
 128        }
 129      else
 130       {
 131         printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
 132                gtk_major_version, gtk_minor_version, gtk_micro_version);
 133         printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
 134                major, minor, micro);
 135         printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
 136         printf("***\n");
 137         printf("*** If you have already installed a sufficiently new version, this error\n");
 138         printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
 139         printf("*** being found. The easiest way to fix this is to remove the old version\n");
 140         printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n");
 141         printf("*** correct copy of pkg-config. (In this case, you will have to\n");
 142         printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n");
 143         printf("*** so that the correct libraries are found at run-time))\n");
 144       }
 145     }
 146   return 1;
 147 }
 148 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 149        CFLAGS="$ac_save_CFLAGS"
 150        LIBS="$ac_save_LIBS"
 151      fi
 152   fi
 153   if test "x$no_gtk" = x ; then
 154      AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
 155      ifelse([$2], , :, [$2])
 156   else
 157      AC_MSG_RESULT(no)
 158      if test "$PKG_CONFIG" = "no" ; then
 159        echo "*** A new enough version of pkg-config was not found."
 160        echo "*** See http://pkgconfig.sourceforge.net"
 161      else
 162        if test -f conf.gtktest ; then
 163         :
 164        else
 165           echo "*** Could not run GTK+ test program, checking why..."
 166           ac_save_CFLAGS="$CFLAGS"
 167           ac_save_LIBS="$LIBS"
 168           CFLAGS="$CFLAGS $GTK_CFLAGS"
 169           LIBS="$LIBS $GTK_LIBS"
 170           AC_TRY_LINK([
 171 #include <gtk/gtk.h>
 172 #include <stdio.h>
 173 ],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
 174         [ echo "*** The test program compiled, but did not run. This usually means"
 175           echo "*** that the run-time linker is not finding GTK+ or finding the wrong"
 176           echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your"
 177           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 178           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 179           echo "*** is required on your system"
 180           echo "***"
 181           echo "*** If you have an old version installed, it is best to remove it, although"
 182           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
 183         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 184           echo "*** exact error that occurred. This usually means GTK+ is incorrectly installed."])
 185           CFLAGS="$ac_save_CFLAGS"
 186           LIBS="$ac_save_LIBS"
 187        fi
 188      fi
 189      GTK_CFLAGS=""
 190      GTK_LIBS=""
 191      ifelse([$3], , :, [$3])
 192   fi
 193   AC_SUBST(GTK_CFLAGS)
 194   AC_SUBST(GTK_LIBS)
 195   rm -f conf.gtktest
 196 ])