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