1# Configure paths for GLIB 2# Owen Taylor 1997-2001 3 4# Increment this whenever this file is changed. 5#serial 4 6 7dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) 8dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject, 9dnl gthread, or gio is specified in MODULES, pass to pkg-config 10dnl 11AC_DEFUN([AM_PATH_GLIB_2_0], 12[dnl 13dnl Get the cflags and libraries from pkg-config 14dnl 15 16dnl We can't use PKG_PREREQ because that needs 0.29. 17m4_ifndef([PKG_PROG_PKG_CONFIG], 18 [pkg.m4 version 0.28 or later is required]) 19 20AC_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 $LIBS" 92dnl 93dnl Now check if the installed GLib is sufficiently new. (Also sanity 94dnl checks the results of pkg-config to some extent) 95dnl 96 rm -f conf.glibtest 97 AC_RUN_IFELSE([AC_LANG_SOURCE([[ 98#include <glib.h> 99#include <stdio.h> 100#include <stdlib.h> 101 102int 103main (void) 104{ 105 unsigned int major, minor, micro; 106 107 fclose (fopen ("conf.glibtest", "w")); 108 109 if (sscanf("$min_glib_version", "%u.%u.%u", &major, &minor, µ) != 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]) 216