1# Configure paths for GLIB 2# Owen Taylor 97-11-3 3 4dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) 5dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or 6dnl gthread is specified in MODULES, pass to glib-config 7dnl 8AC_DEFUN(AM_PATH_GLIB, 9[dnl 10dnl Get the cflags and libraries from the glib-config script 11dnl 12AC_ARG_WITH(glib-prefix,[ --with-glib-prefix=PFX Prefix where GLIB is installed (optional)], 13 glib_config_prefix="$withval", glib_config_prefix="") 14AC_ARG_WITH(glib-exec-prefix,[ --with-glib-exec-prefix=PFX 15 Exec prefix where GLIB is installed (optional)], 16 glib_config_exec_prefix="$withval", glib_config_exec_prefix="") 17AC_ARG_ENABLE(glibtest, [ --disable-glibtest Do not try to compile and run a test GLIB program], 18 , enable_glibtest=yes) 19 20 if test x$glib_config_exec_prefix != x ; then 21 glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix" 22 if test x${GLIB_CONFIG+set} != xset ; then 23 GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config 24 fi 25 fi 26 if test x$glib_config_prefix != x ; then 27 glib_config_args="$glib_config_args --prefix=$glib_config_prefix" 28 if test x${GLIB_CONFIG+set} != xset ; then 29 GLIB_CONFIG=$glib_config_prefix/bin/glib-config 30 fi 31 fi 32 33 for module in . $4 34 do 35 case "$module" in 36 gmodule) 37 glib_config_args="$glib_config_args gmodule" 38 ;; 39 gthread) 40 glib_config_args="$glib_config_args gthread" 41 ;; 42 esac 43 done 44 45 AC_PATH_PROG(GLIB_CONFIG, glib-config, no) 46 min_glib_version=ifelse([$1], ,0.99.7,$1) 47 AC_MSG_CHECKING(for GLIB - version >= $min_glib_version) 48 no_glib="" 49 if test "$GLIB_CONFIG" = "no" ; then 50 no_glib=yes 51 else 52 GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags` 53 GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs` 54 glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \ 55 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 56 glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \ 57 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 58 glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \ 59 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 60 if test "x$enable_glibtest" = "xyes" ; then 61 ac_save_CFLAGS="$CFLAGS" 62 ac_save_LIBS="$LIBS" 63 CFLAGS="$CFLAGS $GLIB_CFLAGS" 64 LIBS="$LIBS $GLIB_LIBS" 65dnl 66dnl Now check if the installed GLIB is sufficiently new. (Also sanity 67dnl checks the results of glib-config to some extent 68dnl 69 rm -f conf.glibtest 70 AC_TRY_RUN([ 71#include <glib.h> 72#include <stdio.h> 73#include <stdlib.h> 74 75int 76main () 77{ 78 int major, minor, micro; 79 char *tmp_version; 80 81 system ("touch conf.glibtest"); 82 83 /* HP/UX 9 (%@#!) writes to sscanf strings */ 84 tmp_version = g_strdup("$min_glib_version"); 85 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 86 printf("%s, bad version string\n", "$min_glib_version"); 87 exit(1); 88 } 89 90 if ((glib_major_version != $glib_config_major_version) || 91 (glib_minor_version != $glib_config_minor_version) || 92 (glib_micro_version != $glib_config_micro_version)) 93 { 94 printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", 95 $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, 96 glib_major_version, glib_minor_version, glib_micro_version); 97 printf ("*** was found! If glib-config was correct, then it is best\n"); 98 printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n"); 99 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); 100 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); 101 printf("*** required on your system.\n"); 102 printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n"); 103 printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n"); 104 printf("*** before re-running configure\n"); 105 } 106 else if ((glib_major_version != GLIB_MAJOR_VERSION) || 107 (glib_minor_version != GLIB_MINOR_VERSION) || 108 (glib_micro_version != GLIB_MICRO_VERSION)) 109 { 110 printf("*** GLIB header files (version %d.%d.%d) do not match\n", 111 GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); 112 printf("*** library (version %d.%d.%d)\n", 113 glib_major_version, glib_minor_version, glib_micro_version); 114 } 115 else 116 { 117 if ((glib_major_version > major) || 118 ((glib_major_version == major) && (glib_minor_version > minor)) || 119 ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) 120 { 121 return 0; 122 } 123 else 124 { 125 printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n", 126 glib_major_version, glib_minor_version, glib_micro_version); 127 printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n", 128 major, minor, micro); 129 printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); 130 printf("***\n"); 131 printf("*** If you have already installed a sufficiently new version, this error\n"); 132 printf("*** probably means that the wrong copy of the glib-config shell script is\n"); 133 printf("*** being found. The easiest way to fix this is to remove the old version\n"); 134 printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n"); 135 printf("*** correct copy of glib-config. (In this case, you will have to\n"); 136 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); 137 printf("*** so that the correct libraries are found at run-time))\n"); 138 } 139 } 140 return 1; 141} 142],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 143 CFLAGS="$ac_save_CFLAGS" 144 LIBS="$ac_save_LIBS" 145 fi 146 fi 147 if test "x$no_glib" = x ; then 148 AC_MSG_RESULT(yes) 149 ifelse([$2], , :, [$2]) 150 else 151 AC_MSG_RESULT(no) 152 if test "$GLIB_CONFIG" = "no" ; then 153 echo "*** The glib-config script installed by GLIB could not be found" 154 echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in" 155 echo "*** your path, or set the GLIB_CONFIG environment variable to the" 156 echo "*** full path to glib-config." 157 else 158 if test -f conf.glibtest ; then 159 : 160 else 161 echo "*** Could not run GLIB test program, checking why..." 162 CFLAGS="$CFLAGS $GLIB_CFLAGS" 163 LIBS="$LIBS $GLIB_LIBS" 164 AC_TRY_LINK([ 165#include <glib.h> 166#include <stdio.h> 167], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], 168 [ echo "*** The test program compiled, but did not run. This usually means" 169 echo "*** that the run-time linker is not finding GLIB or finding the wrong" 170 echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your" 171 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 172 echo "*** to the installed location Also, make sure you have run ldconfig if that" 173 echo "*** is required on your system" 174 echo "***" 175 echo "*** If you have an old version installed, it is best to remove it, although" 176 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" 177 echo "***" 178 echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that" 179 echo "*** came with the system with the command" 180 echo "***" 181 echo "*** rpm --erase --nodeps gtk gtk-devel" ], 182 [ echo "*** The test program failed to compile or link. See the file config.log for the" 183 echo "*** exact error that occured. This usually means GLIB was incorrectly installed" 184 echo "*** or that you have moved GLIB since it was installed. In the latter case, you" 185 echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ]) 186 CFLAGS="$ac_save_CFLAGS" 187 LIBS="$ac_save_LIBS" 188 fi 189 fi 190 GLIB_CFLAGS="" 191 GLIB_LIBS="" 192 ifelse([$3], , :, [$3]) 193 fi 194 AC_SUBST(GLIB_CFLAGS) 195 AC_SUBST(GLIB_LIBS) 196 rm -f conf.glibtest 197]) 198