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1 office 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,
6 dnl gthread, or gio 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="$pkg_config_args gmodule-2.0"
21 ;;
22 gmodule-no-export)
23 pkg_config_args="$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=`$PKG_CONFIG --variable=glib_mkenums glib-2.0`
67 GLIB_COMPILE_RESOURCES=`$PKG_CONFIG --variable=glib_compile_resources gio-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 $LIBS"
82 dnl
83 dnl Now check if the installed GLIB is sufficiently new. (Also sanity
84 dnl checks the results of pkg-config to some extent)
85 dnl
86 rm -f conf.glibtest
87 AC_TRY_RUN([
88 #include <glib.h>
89 #include <stdio.h>
90 #include <stdlib.h>
91  
92 int
93 main ()
94 {
95 unsigned int major, minor, micro;
96  
97 fclose (fopen ("conf.glibtest", "w"));
98  
99 if (sscanf("$min_glib_version", "%u.%u.%u", &major, &minor, &micro) != 3) {
100 printf("%s, bad version string\n", "$min_glib_version");
101 exit(1);
102 }
103  
104 if ((glib_major_version != $glib_config_major_version) ||
105 (glib_minor_version != $glib_config_minor_version) ||
106 (glib_micro_version != $glib_config_micro_version))
107 {
108 printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
109 $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
110 glib_major_version, glib_minor_version, glib_micro_version);
111 printf ("*** was found! If pkg-config was correct, then it is best\n");
112 printf ("*** to remove the old version of GLib. You may also be able to fix the error\n");
113 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
114 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
115 printf("*** required on your system.\n");
116 printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n");
117 printf("*** to point to the correct configuration files\n");
118 }
119 else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
120 (glib_minor_version != GLIB_MINOR_VERSION) ||
121 (glib_micro_version != GLIB_MICRO_VERSION))
122 {
123 printf("*** GLIB header files (version %d.%d.%d) do not match\n",
124 GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
125 printf("*** library (version %d.%d.%d)\n",
126 glib_major_version, glib_minor_version, glib_micro_version);
127 }
128 else
129 {
130 if ((glib_major_version > major) ||
131 ((glib_major_version == major) && (glib_minor_version > minor)) ||
132 ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
133 {
134 return 0;
135 }
136 else
137 {
138 printf("\n*** An old version of GLIB (%u.%u.%u) was found.\n",
139 glib_major_version, glib_minor_version, glib_micro_version);
140 printf("*** You need a version of GLIB newer than %u.%u.%u. The latest version of\n",
141 major, minor, micro);
142 printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
143 printf("***\n");
144 printf("*** If you have already installed a sufficiently new version, this error\n");
145 printf("*** probably means that the wrong copy of the pkg-config shell script is\n");
146 printf("*** being found. The easiest way to fix this is to remove the old version\n");
147 printf("*** of GLIB, but you can also set the PKG_CONFIG environment to point to the\n");
148 printf("*** correct copy of pkg-config. (In this case, you will have to\n");
149 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
150 printf("*** so that the correct libraries are found at run-time))\n");
151 }
152 }
153 return 1;
154 }
155 ],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
156 CFLAGS="$ac_save_CFLAGS"
157 LIBS="$ac_save_LIBS"
158 fi
159 fi
160 if test "x$no_glib" = x ; then
161 AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version))
162 ifelse([$2], , :, [$2])
163 else
164 AC_MSG_RESULT(no)
165 if test "$PKG_CONFIG" = "no" ; then
166 echo "*** A new enough version of pkg-config was not found."
167 echo "*** See http://www.freedesktop.org/software/pkgconfig/"
168 else
169 if test -f conf.glibtest ; then
170 :
171 else
172 echo "*** Could not run GLIB test program, checking why..."
173 ac_save_CFLAGS="$CFLAGS"
174 ac_save_LIBS="$LIBS"
175 CFLAGS="$CFLAGS $GLIB_CFLAGS"
176 LIBS="$LIBS $GLIB_LIBS"
177 AC_TRY_LINK([
178 #include <glib.h>
179 #include <stdio.h>
180 ], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
181 [ echo "*** The test program compiled, but did not run. This usually means"
182 echo "*** that the run-time linker is not finding GLIB or finding the wrong"
183 echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
184 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
185 echo "*** to the installed location Also, make sure you have run ldconfig if that"
186 echo "*** is required on your system"
187 echo "***"
188 echo "*** If you have an old version installed, it is best to remove it, although"
189 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
190 [ echo "*** The test program failed to compile or link. See the file config.log for the"
191 echo "*** exact error that occured. This usually means GLIB is incorrectly installed."])
192 CFLAGS="$ac_save_CFLAGS"
193 LIBS="$ac_save_LIBS"
194 fi
195 fi
196 GLIB_CFLAGS=""
197 GLIB_LIBS=""
198 GLIB_GENMARSHAL=""
199 GOBJECT_QUERY=""
200 GLIB_MKENUMS=""
201 GLIB_COMPILE_RESOURCES=""
202 ifelse([$3], , :, [$3])
203 fi
204 AC_SUBST(GLIB_CFLAGS)
205 AC_SUBST(GLIB_LIBS)
206 AC_SUBST(GLIB_GENMARSHAL)
207 AC_SUBST(GOBJECT_QUERY)
208 AC_SUBST(GLIB_MKENUMS)
209 AC_SUBST(GLIB_COMPILE_RESOURCES)
210 rm -f conf.glibtest
211 ])