| blob | b8094bbfe056dbebe841e35160623f9d023e90f3 |
1 # Configure paths for GLIB
2 # Owen Taylor 97-11-3
4 dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
5 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or
6 dnl gthread is specified in MODULES, pass to glib-config
7 dnl
8 AC_DEFUN(AM_PATH_GLIB,
9 [dnl
10 dnl Get the cflags and libraries from the glib-config script
11 dnl
12 AC_ARG_WITH(glib-prefix,[ --with-glib-prefix=PFX Prefix where GLIB is installed (optional)],
13 glib_config_prefix="$withval", glib_config_prefix="")
14 AC_ARG_WITH(glib-exec-prefix,[ --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)],
15 glib_config_exec_prefix="$withval", glib_config_exec_prefix="")
16 AC_ARG_ENABLE(glibtest, [ --disable-glibtest Do not try to compile and run a test GLIB program],
17 , enable_glibtest=yes)
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
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
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 $LIBS"
64 dnl
65 dnl Now check if the installed GLIB is sufficiently new. (Also sanity
66 dnl checks the results of glib-config to some extent
67 dnl
68 rm -f conf.glibtest
69 AC_TRY_RUN([
70 #include <glib.h>
71 #include <stdio.h>
72 #include <stdlib.h>
74 int
75 main ()
76 {
77 int major, minor, micro;
78 char *tmp_version;
80 system ("touch conf.glibtest");
82 /* HP/UX 9 (%@#!) writes to sscanf strings */
83 tmp_version = g_strdup("$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 }
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 ])