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