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1 # Configure paths for GTK+
2 # Owen Taylor 97-11-3
3
4 dnl AM_PATH_GTK_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
5 dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
6 dnl
7 AC_DEFUN(AM_PATH_GTK_2_0,
8 [dnl
9 dnl Get the cflags and libraries from the gtk-config-2.0 script
10 dnl
11 AC_ARG_WITH(gtk-prefix,[ --with-gtk-prefix=PFX Prefix where GTK is installed (optional)],
12 gtk_config_prefix="$withval", gtk_config_prefix="")
13 AC_ARG_WITH(gtk-exec-prefix,[ --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
14 gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
15 AC_ARG_ENABLE(gtktest, [ --disable-gtktest Do not try to compile and run a test GTK program],
16 , enable_gtktest=yes)
17
18 for module in . $4
19 do
20 case "$module" in
21 gthread)
22 gtk_config_args="$gtk_config_args gthread"
23 ;;
24 esac
25 done
26
27 if test x$gtk_config_exec_prefix != x ; then
28 gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
29 if test x${GTK_CONFIG_2_0+set} != xset ; then
30 GTK_CONFIG_2_0=$gtk_config_exec_prefix/bin/gtk-config-2.0
31 fi
32 fi
33 if test x$gtk_config_prefix != x ; then
34 gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
35 if test x${GTK_CONFIG_2_0+set} != xset ; then
36 GTK_CONFIG_2_0=$gtk_config_prefix/bin/gtk-config-2.0
37 fi
38 fi
39
40 AC_PATH_PROG(GTK_CONFIG_2_0, gtk-config-2.0, no)
41 min_gtk_version=ifelse([$1], ,1.3.1,$1)
42 AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
43 no_gtk=""
44 if test "$GTK_CONFIG_2_0" = "no" ; then
45 no_gtk=yes
46 else
47 GTK_CFLAGS=`$GTK_CONFIG_2_0 $gtk_config_args --cflags`
48 GTK_LIBS=`$GTK_CONFIG_2_0 $gtk_config_args --libs`
49 gtk_config_major_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \
50 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
51 gtk_config_minor_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \
52 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
53 gtk_config_micro_version=`$GTK_CONFIG_2_0 $gtk_config_args --version | \
54 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
55 if test "x$enable_gtktest" = "xyes" ; then
56 ac_save_CFLAGS="$CFLAGS"
57 ac_save_LIBS="$LIBS"
58 CFLAGS="$CFLAGS $GTK_CFLAGS"
59 LIBS="$GTK_LIBS $LIBS"
60 dnl
61 dnl Now check if the installed GTK is sufficiently new. (Also sanity
62 dnl checks the results of gtk-config-2.0 to some extent
63 dnl
64 rm -f conf.gtktest
65 AC_TRY_RUN([
66 #include <gtk/gtk.h>
67 #include <stdio.h>
68 #include <stdlib.h>
69
70 int
71 main ()
72 {
73 int major, minor, micro;
74 char *tmp_version;
75
76 system ("touch conf.gtktest");
77
78 /* HP/UX 9 (%@#!) writes to sscanf strings */
79 tmp_version = g_strdup("$min_gtk_version");
80 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
81 printf("%s, bad version string\n", "$min_gtk_version");
82 exit(1);
83 }
84
85 if ((gtk_major_version != $gtk_config_major_version) ||
86 (gtk_minor_version != $gtk_config_minor_version) ||
87 (gtk_micro_version != $gtk_config_micro_version))
88 {
89 printf("\n*** 'gtk-config-2.0 --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n",
90 $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
91 gtk_major_version, gtk_minor_version, gtk_micro_version);
92 printf ("*** was found! If gtk-config-2.0 was correct, then it is best\n");
93 printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
94 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
95 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
96 printf("*** required on your system.\n");
97 printf("*** If gtk-config-2.0 was wrong, set the environment variable GTK_CONFIG_2_0\n");
98 printf("*** to point to the correct copy of gtk-config-2.0, and remove the file config.cache\n");
99 printf("*** before re-running configure\n");
100 }
101 #if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
102 else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
103 (gtk_minor_version != GTK_MINOR_VERSION) ||
104 (gtk_micro_version != GTK_MICRO_VERSION))
105 {
106 printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
107 GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
108 printf("*** library (version %d.%d.%d)\n",
109 gtk_major_version, gtk_minor_version, gtk_micro_version);
110 }
111 #endif /* defined (GTK_MAJOR_VERSION) ... */
112 else
113 {
114 if ((gtk_major_version > major) ||
115 ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
116 ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
117 {
118 return 0;
119 }
120 else
121 {
122 printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
123 gtk_major_version, gtk_minor_version, gtk_micro_version);
124 printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
125 major, minor, micro);
126 printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
127 printf("***\n");
128 printf("*** If you have already installed a sufficiently new version, this error\n");
129 printf("*** probably means that the wrong copy of the gtk-config-2.0 shell script is\n");
130 printf("*** being found. The easiest way to fix this is to remove the old version\n");
131 printf("*** of GTK+, but you can also set the GTK_CONFIG_2_0 environment to point to the\n");
132 printf("*** correct copy of gtk-config-2.0. (In this case, you will have to\n");
133 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
134 printf("*** so that the correct libraries are found at run-time))\n");
135 }
136 }
137 return 1;
138 }
139 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
140 CFLAGS="$ac_save_CFLAGS"
141 LIBS="$ac_save_LIBS"
142 fi
143 fi
144 if test "x$no_gtk" = x ; then
145 AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version))
146 ifelse([$2], , :, [$2])
147 else
148 AC_MSG_RESULT(no)
149 if test "$GTK_CONFIG_2_0" = "no" ; then
150 echo "*** The gtk-config-2.0 script installed by GTK could not be found"
151 echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
152 echo "*** your path, or set the GTK_CONFIG_2_0 environment variable to the"
153 echo "*** full path to gtk-config-2.0."
154 else
155 if test -f conf.gtktest ; then
156 :
157 else
158 echo "*** Could not run GTK test program, checking why..."
159 CFLAGS="$CFLAGS $GTK_CFLAGS"
160 LIBS="$LIBS $GTK_LIBS"
161 AC_TRY_LINK([
162 #include <gtk/gtk.h>
163 #include <stdio.h>
164 ], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
165 [ echo "*** The test program compiled, but did not run. This usually means"
166 echo "*** that the run-time linker is not finding GTK or finding the wrong"
167 echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
168 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
169 echo "*** to the installed location Also, make sure you have run ldconfig if that"
170 echo "*** is required on your system"
171 echo "***"
172 echo "*** If you have an old version installed, it is best to remove it, although"
173 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
174 echo "***"
175 echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
176 echo "*** came with the system with the command"
177 echo "***"
178 echo "*** rpm --erase --nodeps gtk gtk-devel" ],
179 [ echo "*** The test program failed to compile or link. See the file config.log for the"
180 echo "*** exact error that occured. This usually means GTK was incorrectly installed"
181 echo "*** or that you have moved GTK since it was installed. In the latter case, you"
182 echo "*** may want to edit the gtk-config-2.0 script: $GTK_CONFIG_2_0" ])
183 CFLAGS="$ac_save_CFLAGS"
184 LIBS="$ac_save_LIBS"
185 fi
186 fi
187 GTK_CFLAGS=""
188 GTK_LIBS=""
189 ifelse([$3], , :, [$3])
190 fi
191 AC_SUBST(GTK_CFLAGS)
192 AC_SUBST(GTK_LIBS)
193 rm -f conf.gtktest
194 ])