libextractor

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glib-2.0.m4 (8371B)


      1 # Configure paths for GLIB
      2 # Owen Taylor     1997-2001
      3 
      4 # Increment this whenever this file is changed.
      5 #serial 4
      6 
      7 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
      8 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject,
      9 dnl gthread, or gio is specified in MODULES, pass to pkg-config
     10 dnl
     11 AC_DEFUN([AM_PATH_GLIB_2_0],
     12 [dnl 
     13 dnl Get the cflags and libraries from pkg-config
     14 dnl
     15 
     16 dnl We can't use PKG_PREREQ because that needs 0.29.
     17 m4_ifndef([PKG_PROG_PKG_CONFIG],
     18           [pkg.m4 version 0.28 or later is required])
     19 
     20 AC_ARG_ENABLE(glibtest, [  --disable-glibtest      do not try to compile and run a test GLIB program],
     21 		    , enable_glibtest=yes)
     22 
     23   min_glib_version=ifelse([$1], [], [2.0.0], [$1])
     24   pkg_config_args="glib-2.0 >= $min_glib_version"
     25   for module in . $4
     26   do
     27       case "$module" in
     28          gmodule) 
     29              pkg_config_args="$pkg_config_args gmodule-2.0"
     30          ;;
     31          gmodule-no-export) 
     32              pkg_config_args="$pkg_config_args gmodule-no-export-2.0"
     33          ;;
     34          gobject) 
     35              pkg_config_args="$pkg_config_args gobject-2.0"
     36          ;;
     37          gthread) 
     38              pkg_config_args="$pkg_config_args gthread-2.0"
     39          ;;
     40          gio*) 
     41              pkg_config_args="$pkg_config_args $module-2.0"
     42          ;;
     43       esac
     44   done
     45 
     46   PKG_PROG_PKG_CONFIG([0.16])
     47 
     48   no_glib=""
     49 
     50   if test "x$PKG_CONFIG" = x ; then
     51     no_glib=yes
     52     PKG_CONFIG=no
     53   fi
     54 
     55   dnl For GLIB_CFLAGS and GLIB_LIBS
     56   PKG_CHECK_MODULES([GLIB], [$pkg_config_args], [:], [:])
     57 
     58   dnl For the tools
     59   PKG_CHECK_VAR([GLIB_GENMARSHAL], [glib-2.0], [glib_genmarshal])
     60   PKG_CHECK_VAR([GOBJECT_QUERY], [glib-2.0], [gobject_query])
     61   PKG_CHECK_VAR([GLIB_MKENUMS], [glib-2.0], [glib_mkenums])
     62   PKG_CHECK_VAR([GLIB_COMPILE_RESOURCES], [gio-2.0], [glib_compile_resources])
     63 
     64   AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
     65 
     66   if test x$PKG_CONFIG != xno ; then
     67     ## don't try to run the test against uninstalled libtool libs
     68     if $PKG_CONFIG --uninstalled $pkg_config_args; then
     69 	  echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH"
     70 	  enable_glibtest=no
     71     fi
     72 
     73     if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then
     74 	  :
     75     else
     76 	  no_glib=yes
     77     fi
     78   fi
     79 
     80   if test x"$no_glib" = x ; then
     81     glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \
     82            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
     83     glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \
     84            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
     85     glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \
     86            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
     87     if test "x$enable_glibtest" = "xyes" ; then
     88       ac_save_CFLAGS="$CFLAGS"
     89       ac_save_LIBS="$LIBS"
     90       CFLAGS="$CFLAGS $GLIB_CFLAGS"
     91       LIBS="$GLIB_LIBS $LIBS"
     92 dnl
     93 dnl Now check if the installed GLib is sufficiently new. (Also sanity
     94 dnl checks the results of pkg-config to some extent)
     95 dnl
     96       rm -f conf.glibtest
     97       AC_RUN_IFELSE([AC_LANG_SOURCE([[
     98 #include <glib.h>
     99 #include <stdio.h>
    100 #include <stdlib.h>
    101 
    102 int 
    103 main (void)
    104 {
    105   unsigned int major, minor, micro;
    106 
    107   fclose (fopen ("conf.glibtest", "w"));
    108 
    109   if (sscanf("$min_glib_version", "%u.%u.%u", &major, &minor, &micro) != 3) {
    110      printf("%s, bad version string\n", "$min_glib_version");
    111      exit(1);
    112    }
    113 
    114   if ((glib_major_version != $glib_config_major_version) ||
    115       (glib_minor_version != $glib_config_minor_version) ||
    116       (glib_micro_version != $glib_config_micro_version))
    117     {
    118       printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", 
    119              $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
    120              glib_major_version, glib_minor_version, glib_micro_version);
    121       printf ("*** was found! If pkg-config was correct, then it is best\n");
    122       printf ("*** to remove the old version of GLib. You may also be able to fix the error\n");
    123       printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n");
    124       printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
    125       printf("*** required on your system.\n");
    126       printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
    127       printf("*** to point to the correct configuration files\n");
    128     } 
    129   else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
    130 	   (glib_minor_version != GLIB_MINOR_VERSION) ||
    131            (glib_micro_version != GLIB_MICRO_VERSION))
    132     {
    133       printf("*** GLib header files (version %d.%d.%d) do not match\n",
    134 	     GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
    135       printf("*** library (version %d.%d.%d)\n",
    136 	     glib_major_version, glib_minor_version, glib_micro_version);
    137     }
    138   else
    139     {
    140       if ((glib_major_version > major) ||
    141         ((glib_major_version == major) && (glib_minor_version > minor)) ||
    142         ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
    143       {
    144         return 0;
    145        }
    146      else
    147       {
    148         printf("\n*** An old version of GLib (%u.%u.%u) was found.\n",
    149                glib_major_version, glib_minor_version, glib_micro_version);
    150         printf("*** You need a version of GLib newer than %u.%u.%u. The latest version of\n",
    151 	       major, minor, micro);
    152         printf("*** GLib is always available from ftp://ftp.gtk.org.\n");
    153         printf("***\n");
    154         printf("*** If you have already installed a sufficiently new version, this error\n");
    155         printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
    156         printf("*** being found. The easiest way to fix this is to remove the old version\n");
    157         printf("*** of GLib, but you can also set the PKG_CONFIG environment to point to the\n");
    158         printf("*** correct copy of pkg-config. (In this case, you will have to\n");
    159         printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n");
    160         printf("*** so that the correct libraries are found at run-time))\n");
    161       }
    162     }
    163   return 1;
    164 }
    165 ]])],[],[no_glib=yes],[echo $ac_n "cross compiling; assumed OK... $ac_c"])
    166        CFLAGS="$ac_save_CFLAGS"
    167        LIBS="$ac_save_LIBS"
    168      fi
    169   fi
    170   if test "x$no_glib" = x ; then
    171      AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version))
    172      ifelse([$2], , :, [$2])     
    173   else
    174      AC_MSG_RESULT(no)
    175      if test "$PKG_CONFIG" = "no" ; then
    176        echo "*** A new enough version of pkg-config was not found."
    177        echo "*** See http://www.freedesktop.org/software/pkgconfig/"
    178      else
    179        if test -f conf.glibtest ; then
    180         :
    181        else
    182           echo "*** Could not run GLib test program, checking why..."
    183           ac_save_CFLAGS="$CFLAGS"
    184           ac_save_LIBS="$LIBS"
    185           CFLAGS="$CFLAGS $GLIB_CFLAGS"
    186           LIBS="$LIBS $GLIB_LIBS"
    187           AC_LINK_IFELSE([AC_LANG_PROGRAM([[
    188 #include <glib.h>
    189 #include <stdio.h>
    190 ]],      [[ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ]])],
    191         [ echo "*** The test program compiled, but did not run. This usually means"
    192           echo "*** that the run-time linker is not finding GLib or finding the wrong"
    193           echo "*** version of GLib. If it is not finding GLib, you'll need to set your"
    194           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
    195           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
    196           echo "*** is required on your system"
    197 	  echo "***"
    198           echo "*** If you have an old version installed, it is best to remove it, although"
    199           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
    200         [ echo "*** The test program failed to compile or link. See the file config.log for the"
    201           echo "*** exact error that occurred. This usually means GLib is incorrectly installed."])
    202           CFLAGS="$ac_save_CFLAGS"
    203           LIBS="$ac_save_LIBS"
    204        fi
    205      fi
    206      GLIB_CFLAGS=""
    207      GLIB_LIBS=""
    208      GLIB_GENMARSHAL=""
    209      GOBJECT_QUERY=""
    210      GLIB_MKENUMS=""
    211      GLIB_COMPILE_RESOURCES=""
    212      ifelse([$3], , :, [$3])
    213   fi
    214   rm -f conf.glibtest
    215 ])