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])
167