1 # Configure paths for GLIB
2 # Owen Taylor 1997-2001
3
4 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
5 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject or
6 dnl gthread is specified in MODULES, pass to pkg-config
7 dnl
8 AC_DEFUN(AM_PATH_GLIB_2_0,
9 [dnl
10 dnl Get the cflags and libraries from pkg-config
11 dnl
12 AC_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="$pkg_config_args gmodule-2.0"
21 ;;
22 gobject)
23 pkg_config_args="$pkg_config_args gobject-2.0"
24 ;;
25 gthread)
26 pkg_config_args="$pkg_config_args gthread-2.0"
27 ;;
28 esac
29 done
30
31 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
32
33 no_glib=""
34
35 if test x$PKG_CONFIG != xno ; then
36 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then
37 :
38 else
39 echo *** pkg-config too old; version 0.7 or better required.
40 no_glib=yes
41 PKG_CONFIG=no
42 fi
43 else
44 no_glib=yes
45 fi
46
47 min_glib_version=ifelse([$1], ,2.0.0,$1)
48 AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
49
50 if test x$PKG_CONFIG != xno ; then
51 ## don't try to run the test against uninstalled libtool libs
52 if $PKG_CONFIG --uninstalled $pkg_config_args; then
53 echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH"
54 enable_glibtest=no
55 fi
56
57 if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then
58 :
59 else
60 no_glib=yes
61 fi
62 fi
63
64 if test x"$no_glib" = x ; then
65 GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`
66 GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0`
67 GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
68
69 GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args`
70 GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args`
71 glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \
72 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
73 glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \
74 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
75 glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \
76 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
77 if test "x$enable_glibtest" = "xyes" ; then
78 ac_save_CFLAGS="$CFLAGS"
79 ac_save_LIBS="$LIBS"
80 CFLAGS="$CFLAGS $GLIB_CFLAGS"
81 LIBS="$GLIB_LIBS $LIBS"
82 dnl
83 dnl Now check if the installed GLIB is sufficiently new. (Also sanity
84 dnl checks the results of pkg-config to some extent)
85 dnl
86 rm -f conf.glibtest
87 AC_TRY_RUN([
88 #include <glib.h>
89 #include <stdio.h>
90 #include <stdlib.h>
91
92 int
93 main ()
94 {
95 int major, minor, micro;
96 char *tmp_version;
97
98 system ("touch conf.glibtest");
99
100 /* HP/UX 9 (%@#!) writes to sscanf strings */
101 tmp_version = g_strdup("$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 CFLAGS="$CFLAGS $GLIB_CFLAGS"
177 LIBS="$LIBS $GLIB_LIBS"
178 AC_TRY_LINK([
179 #include <glib.h>
180 #include <stdio.h>
181 ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
182 [ echo "*** The test program compiled, but did not run. This usually means"
183 echo "*** that the run-time linker is not finding GLIB or finding the wrong"
184 echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
185 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
186 echo "*** to the installed location Also, make sure you have run ldconfig if that"
187 echo "*** is required on your system"
188 echo "***"
189 echo "*** If you have an old version installed, it is best to remove it, although"
190 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
191 [ echo "*** The test program failed to compile or link. See the file config.log for the"
192 echo "*** exact error that occured. This usually means GLIB was incorrectly installed"
193 echo "*** or that you have moved GLIB since it was installed. In the latter case, you"
194 echo "*** may want to edit the pkg-config script: $PKG_CONFIG" ])
195 CFLAGS="$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 ])
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