source: trunk/third/gdk-pixbuf/gdk-pixbuf.m4 @ 15900

Revision 15900, 6.6 KB checked in by ghudson, 24 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r15899, which included commits to RCS files with non-trunk default branches.
Line 
1# Configure paths for gdk-pixbuf
2# Elliot Lee 2000-01-10
3# stolen from Raph Levien 98-11-18
4# stolen from Manish Singh    98-9-30
5# stolen back from Frank Belew
6# stolen from Manish Singh
7# Shamelessly stolen from Owen Taylor
8
9dnl AM_PATH_GDK_PIXBUF([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
10dnl Test for GDK_PIXBUF, and define GDK_PIXBUF_CFLAGS and GDK_PIXBUF_LIBS
11dnl
12AC_DEFUN(AM_PATH_GDK_PIXBUF,
13[dnl
14dnl Get the cflags and libraries from the gdk-pixbuf-config script
15dnl
16AC_ARG_WITH(gdk-pixbuf-prefix,[  --with-gdk-pixbuf-prefix=PFX   Prefix where GDK_PIXBUF is installed (optional)],
17            gdk_pixbuf_prefix="$withval", gdk_pixbuf_prefix="")
18AC_ARG_WITH(gdk-pixbuf-exec-prefix,[  --with-gdk-pixbuf-exec-prefix=PFX Exec prefix where GDK_PIXBUF is installed (optional)],
19            gdk_pixbuf_exec_prefix="$withval", gdk_pixbuf_exec_prefix="")
20AC_ARG_ENABLE(gdk_pixbuftest, [  --disable-gdk_pixbuftest       Do not try to compile and run a test GDK_PIXBUF program],
21                    , enable_gdk_pixbuftest=yes)
22
23  if test x$gdk_pixbuf_exec_prefix != x ; then
24     gdk_pixbuf_args="$gdk_pixbuf_args --exec-prefix=$gdk_pixbuf_exec_prefix"
25     if test x${GDK_PIXBUF_CONFIG+set} = xset ; then
26        GDK_PIXBUF_CONFIG=$gdk_pixbuf_exec_prefix/gdk-pixbuf-config
27     fi
28  fi
29  if test x$gdk_pixbuf_prefix != x ; then
30     gdk_pixbuf_args="$gdk_pixbuf_args --prefix=$gdk_pixbuf_prefix"
31     if test x${GDK_PIXBUF_CONFIG+set} = xset ; then
32        GDK_PIXBUF_CONFIG=$gdk_pixbuf_prefix/bin/gdk-pixbuf-config
33     fi
34  fi
35
36  AC_PATH_PROG(GDK_PIXBUF_CONFIG, gdk-pixbuf-config, no)
37  min_gdk_pixbuf_version=ifelse([$1], ,0.2.5,$1)
38  AC_MSG_CHECKING(for GDK_PIXBUF - version >= $min_gdk_pixbuf_version)
39  no_gdk_pixbuf=""
40  if test "$GDK_PIXBUF_CONFIG" = "no" ; then
41    no_gdk_pixbuf=yes
42  else
43    GDK_PIXBUF_CFLAGS=`$GDK_PIXBUF_CONFIG $gdk_pixbufconf_args --cflags`
44    GDK_PIXBUF_LIBS=`$GDK_PIXBUF_CONFIG $gdk_pixbufconf_args --libs`
45
46    gdk_pixbuf_major_version=`$GDK_PIXBUF_CONFIG $gdk_pixbuf_args --version | \
47           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
48    gdk_pixbuf_minor_version=`$GDK_PIXBUF_CONFIG $gdk_pixbuf_args --version | \
49           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
50    gdk_pixbuf_micro_version=`$GDK_PIXBUF_CONFIG $gdk_pixbuf_config_args --version | \
51           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
52    if test "x$enable_gdk_pixbuftest" = "xyes" ; then
53      ac_save_CFLAGS="$CFLAGS"
54      ac_save_LIBS="$LIBS"
55      CFLAGS="$CFLAGS $GDK_PIXBUF_CFLAGS"
56      LIBS="$LIBS $GDK_PIXBUF_LIBS"
57dnl
58dnl Now check if the installed GDK_PIXBUF is sufficiently new. (Also sanity
59dnl checks the results of gdk-pixbuf-config to some extent
60dnl
61      rm -f conf.gdk_pixbuftest
62      AC_TRY_RUN([
63#include <stdio.h>
64#include <stdlib.h>
65#include <string.h>
66#include <gdk-pixbuf/gdk-pixbuf.h>
67
68char*
69my_strdup (char *str)
70{
71  char *new_str;
72 
73  if (str)
74    {
75      new_str = malloc ((strlen (str) + 1) * sizeof(char));
76      strcpy (new_str, str);
77    }
78  else
79    new_str = NULL;
80 
81  return new_str;
82}
83
84int main ()
85{
86  int major, minor, micro;
87  char *tmp_version;
88
89  system ("touch conf.gdk_pixbuftest");
90
91  /* HP/UX 9 (%@#!) writes to sscanf strings */
92  tmp_version = my_strdup("$min_gdk_pixbuf_version");
93  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
94     printf("%s, bad version string\n", "$min_gdk_pixbuf_version");
95     exit(1);
96   }
97
98   if (($gdk_pixbuf_major_version > major) ||
99      (($gdk_pixbuf_major_version == major) && ($gdk_pixbuf_minor_version > minor)) ||
100      (($gdk_pixbuf_major_version == major) && ($gdk_pixbuf_minor_version == minor) && ($gdk_pixbuf_micro_version >= micro)))
101    {
102      return 0;
103    }
104  else
105    {
106      printf("\n*** 'gdk-pixbuf-config --version' returned %d.%d.%d, but the minimum version\n", $gdk_pixbuf_major_version, $gdk_pixbuf_minor_version, $gdk_pixbuf_micro_version);
107      printf("*** of GDK_PIXBUF required is %d.%d.%d. If gdk-pixbuf-config is correct, then it is\n", major, minor, micro);
108      printf("*** best to upgrade to the required version.\n");
109      printf("*** If gdk-pixbuf-config was wrong, set the environment variable GDK_PIXBUF_CONFIG\n");
110      printf("*** to point to the correct copy of gdk-pixbuf-config, and remove the file\n");
111      printf("*** config.cache before re-running configure\n");
112      return 1;
113    }
114}
115
116],, no_gdk_pixbuf=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
117       CFLAGS="$ac_save_CFLAGS"
118       LIBS="$ac_save_LIBS"
119     fi
120  fi
121  if test "x$no_gdk_pixbuf" = x ; then
122     AC_MSG_RESULT(yes)
123     ifelse([$2], , :, [$2])     
124  else
125     AC_MSG_RESULT(no)
126     if test "$GDK_PIXBUF_CONFIG" = "no" ; then
127       echo "*** The gdk-pixbuf-config script installed by GDK_PIXBUF could not be found"
128       echo "*** If GDK_PIXBUF was installed in PREFIX, make sure PREFIX/bin is in"
129       echo "*** your path, or set the GDK_PIXBUF_CONFIG environment variable to the"
130       echo "*** full path to gdk-pixbuf-config."
131     else
132       if test -f conf.gdk_pixbuftest ; then
133        :
134       else
135          echo "*** Could not run GDK_PIXBUF test program, checking why..."
136          CFLAGS="$CFLAGS $GDK_PIXBUF_CFLAGS"
137          LIBS="$LIBS $GDK_PIXBUF_LIBS"
138          AC_TRY_LINK([
139#include <stdio.h>
140#include <gdk-pixbuf/gdk-pixbuf.h>
141],      [ return 0; ],
142        [ echo "*** The test program compiled, but did not run. This usually means"
143          echo "*** that the run-time linker is not finding GDK_PIXBUF or finding the wrong"
144          echo "*** version of GDK_PIXBUF. If it is not finding GDK_PIXBUF, you'll need to set your"
145          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
146          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
147          echo "*** is required on your system"
148          echo "***"
149          echo "*** If you have an old version installed, it is best to remove it, although"
150          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
151        [ echo "*** The test program failed to compile or link. See the file config.log for the"
152          echo "*** exact error that occured. This usually means GDK_PIXBUF was incorrectly installed"
153          echo "*** or that you have moved GDK_PIXBUF since it was installed. In the latter case, you"
154          echo "*** may want to edit the gdk-pixbuf-config script: $GDK_PIXBUF_CONFIG" ])
155          CFLAGS="$ac_save_CFLAGS"
156          LIBS="$ac_save_LIBS"
157       fi
158     fi
159     GDK_PIXBUF_CFLAGS=""
160     GDK_PIXBUF_LIBS=""
161     ifelse([$3], , :, [$3])
162  fi
163  AC_SUBST(GDK_PIXBUF_CFLAGS)
164  AC_SUBST(GDK_PIXBUF_LIBS)
165  rm -f conf.gdk_pixbuftest
166])
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