source: trunk/third/glib/glib.m4 @ 14479

Revision 14479, 8.2 KB checked in by ghudson, 25 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r14478, which included commits to RCS files with non-trunk default branches.
Line 
1# Configure paths for GLIB
2# Owen Taylor     97-11-3
3
4dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
5dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or
6dnl gthread is specified in MODULES, pass to glib-config
7dnl
8AC_DEFUN(AM_PATH_GLIB,
9[dnl
10dnl Get the cflags and libraries from the glib-config script
11dnl
12AC_ARG_WITH(glib-prefix,[  --with-glib-prefix=PFX   Prefix where GLIB is installed (optional)],
13            glib_config_prefix="$withval", glib_config_prefix="")
14AC_ARG_WITH(glib-exec-prefix,[  --with-glib-exec-prefix=PFX Exec prefix where GLIB is installed (optional)],
15            glib_config_exec_prefix="$withval", glib_config_exec_prefix="")
16AC_ARG_ENABLE(glibtest, [  --disable-glibtest       Do not try to compile and run a test GLIB program],
17                    , enable_glibtest=yes)
18
19  if test x$glib_config_exec_prefix != x ; then
20     glib_config_args="$glib_config_args --exec-prefix=$glib_config_exec_prefix"
21     if test x${GLIB_CONFIG+set} != xset ; then
22        GLIB_CONFIG=$glib_config_exec_prefix/bin/glib-config
23     fi
24  fi
25  if test x$glib_config_prefix != x ; then
26     glib_config_args="$glib_config_args --prefix=$glib_config_prefix"
27     if test x${GLIB_CONFIG+set} != xset ; then
28        GLIB_CONFIG=$glib_config_prefix/bin/glib-config
29     fi
30  fi
31
32  for module in . $4
33  do
34      case "$module" in
35         gmodule)
36             glib_config_args="$glib_config_args gmodule"
37         ;;
38         gthread)
39             glib_config_args="$glib_config_args gthread"
40         ;;
41      esac
42  done
43
44  AC_PATH_PROG(GLIB_CONFIG, glib-config, no)
45  min_glib_version=ifelse([$1], ,0.99.7,$1)
46  AC_MSG_CHECKING(for GLIB - version >= $min_glib_version)
47  no_glib=""
48  if test "$GLIB_CONFIG" = "no" ; then
49    no_glib=yes
50  else
51    GLIB_CFLAGS=`$GLIB_CONFIG $glib_config_args --cflags`
52    GLIB_LIBS=`$GLIB_CONFIG $glib_config_args --libs`
53    glib_config_major_version=`$GLIB_CONFIG $glib_config_args --version | \
54           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
55    glib_config_minor_version=`$GLIB_CONFIG $glib_config_args --version | \
56           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
57    glib_config_micro_version=`$GLIB_CONFIG $glib_config_args --version | \
58           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
59    if test "x$enable_glibtest" = "xyes" ; then
60      ac_save_CFLAGS="$CFLAGS"
61      ac_save_LIBS="$LIBS"
62      CFLAGS="$CFLAGS $GLIB_CFLAGS"
63      LIBS="$GLIB_LIBS $LIBS"
64dnl
65dnl Now check if the installed GLIB is sufficiently new. (Also sanity
66dnl checks the results of glib-config to some extent
67dnl
68      rm -f conf.glibtest
69      AC_TRY_RUN([
70#include <glib.h>
71#include <stdio.h>
72#include <stdlib.h>
73
74int
75main ()
76{
77  int major, minor, micro;
78  char *tmp_version;
79
80  system ("touch conf.glibtest");
81
82  /* HP/UX 9 (%@#!) writes to sscanf strings */
83  tmp_version = g_strdup("$min_glib_version");
84  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
85     printf("%s, bad version string\n", "$min_glib_version");
86     exit(1);
87   }
88
89  if ((glib_major_version != $glib_config_major_version) ||
90      (glib_minor_version != $glib_config_minor_version) ||
91      (glib_micro_version != $glib_config_micro_version))
92    {
93      printf("\n*** 'glib-config --version' returned %d.%d.%d, but GLIB (%d.%d.%d)\n",
94             $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version,
95             glib_major_version, glib_minor_version, glib_micro_version);
96      printf ("*** was found! If glib-config was correct, then it is best\n");
97      printf ("*** to remove the old version of GLIB. You may also be able to fix the error\n");
98      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
99      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
100      printf("*** required on your system.\n");
101      printf("*** If glib-config was wrong, set the environment variable GLIB_CONFIG\n");
102      printf("*** to point to the correct copy of glib-config, and remove the file config.cache\n");
103      printf("*** before re-running configure\n");
104    }
105  else if ((glib_major_version != GLIB_MAJOR_VERSION) ||
106           (glib_minor_version != GLIB_MINOR_VERSION) ||
107           (glib_micro_version != GLIB_MICRO_VERSION))
108    {
109      printf("*** GLIB header files (version %d.%d.%d) do not match\n",
110             GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
111      printf("*** library (version %d.%d.%d)\n",
112             glib_major_version, glib_minor_version, glib_micro_version);
113    }
114  else
115    {
116      if ((glib_major_version > major) ||
117        ((glib_major_version == major) && (glib_minor_version > minor)) ||
118        ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro)))
119      {
120        return 0;
121       }
122     else
123      {
124        printf("\n*** An old version of GLIB (%d.%d.%d) was found.\n",
125               glib_major_version, glib_minor_version, glib_micro_version);
126        printf("*** You need a version of GLIB newer than %d.%d.%d. The latest version of\n",
127               major, minor, micro);
128        printf("*** GLIB is always available from ftp://ftp.gtk.org.\n");
129        printf("***\n");
130        printf("*** If you have already installed a sufficiently new version, this error\n");
131        printf("*** probably means that the wrong copy of the glib-config shell script is\n");
132        printf("*** being found. The easiest way to fix this is to remove the old version\n");
133        printf("*** of GLIB, but you can also set the GLIB_CONFIG environment to point to the\n");
134        printf("*** correct copy of glib-config. (In this case, you will have to\n");
135        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
136        printf("*** so that the correct libraries are found at run-time))\n");
137      }
138    }
139  return 1;
140}
141],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
142       CFLAGS="$ac_save_CFLAGS"
143       LIBS="$ac_save_LIBS"
144     fi
145  fi
146  if test "x$no_glib" = x ; then
147     AC_MSG_RESULT(yes)
148     ifelse([$2], , :, [$2])     
149  else
150     AC_MSG_RESULT(no)
151     if test "$GLIB_CONFIG" = "no" ; then
152       echo "*** The glib-config script installed by GLIB could not be found"
153       echo "*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in"
154       echo "*** your path, or set the GLIB_CONFIG environment variable to the"
155       echo "*** full path to glib-config."
156     else
157       if test -f conf.glibtest ; then
158        :
159       else
160          echo "*** Could not run GLIB test program, checking why..."
161          CFLAGS="$CFLAGS $GLIB_CFLAGS"
162          LIBS="$LIBS $GLIB_LIBS"
163          AC_TRY_LINK([
164#include <glib.h>
165#include <stdio.h>
166],      [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ],
167        [ echo "*** The test program compiled, but did not run. This usually means"
168          echo "*** that the run-time linker is not finding GLIB or finding the wrong"
169          echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your"
170          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
171          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
172          echo "*** is required on your system"
173          echo "***"
174          echo "*** If you have an old version installed, it is best to remove it, although"
175          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
176          echo "***"
177          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
178          echo "*** came with the system with the command"
179          echo "***"
180          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
181        [ echo "*** The test program failed to compile or link. See the file config.log for the"
182          echo "*** exact error that occured. This usually means GLIB was incorrectly installed"
183          echo "*** or that you have moved GLIB since it was installed. In the latter case, you"
184          echo "*** may want to edit the glib-config script: $GLIB_CONFIG" ])
185          CFLAGS="$ac_save_CFLAGS"
186          LIBS="$ac_save_LIBS"
187       fi
188     fi
189     GLIB_CFLAGS=""
190     GLIB_LIBS=""
191     ifelse([$3], , :, [$3])
192  fi
193  AC_SUBST(GLIB_CFLAGS)
194  AC_SUBST(GLIB_LIBS)
195  rm -f conf.glibtest
196])
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