1dnl AM_PATH_LIBFAME([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
2dnl Test for libfame, and define LIBFAME_CFLAGS and LIBFAME_LIBS
3dnl Vivien Chappelier 12/11/00
4dnl stolen from ORBit autoconf
5dnl
6AC_DEFUN([AM_PATH_LIBFAME],
7[dnl
8dnl Get the cflags and libraries from the libfame-config script
9dnl
10AC_ARG_WITH(libfame-prefix,[  --with-libfame-prefix=PFX   Prefix where libfame is installed (optional)],
11            libfame_config_prefix="$withval", libfame_config_prefix="")
12AC_ARG_WITH(libfame-exec-prefix,[  --with-libfame-exec-prefix=PFX Exec prefix where libfame is installed (optional)],
13            libfame_config_exec_prefix="$withval", libfame_config_exec_prefix="")
14AC_ARG_ENABLE(libfametest, [  --disable-libfametest       Do not try to compile and run a test libfame program],
15		    , enable_libfametest=yes)
16
17  if test x$libfame_config_exec_prefix != x ; then
18     libfame_config_args="$libfame_config_args --exec-prefix=$libfame_config_exec_prefix"
19     if test x${LIBFAME_CONFIG+set} != xset ; then
20        LIBFAME_CONFIG=$libfame_config_exec_prefix/bin/libfame-config
21     fi
22  fi
23  if test x$libfame_config_prefix != x ; then
24     libfame_config_args="$libfame_config_args --prefix=$libfame_config_prefix"
25     if test x${LIBFAME_CONFIG+set} != xset ; then
26        LIBFAME_CONFIG=$libfame_config_prefix/bin/libfame-config
27     fi
28  fi
29
30  AC_PATH_PROG(LIBFAME_CONFIG, libfame-config, no)
31  min_libfame_version=ifelse([$1], , 0.9.0, $1)
32  AC_MSG_CHECKING(for libfame - version >= $min_libfame_version)
33  no_libfame=""
34  if test "$LIBFAME_CONFIG" = "no" ; then
35    no_libfame=yes
36  else
37    LIBFAME_CFLAGS=`$LIBFAME_CONFIG $libfame_config_args --cflags`
38    LIBFAME_LIBS=`$LIBFAME_CONFIG $libfame_config_args --libs`
39    libfame_config_major_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
40	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
41    libfame_config_minor_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
42	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
43    libfame_config_micro_version=`$LIBFAME_CONFIG $libfame_config_args --version | \
44	   sed -e 's,[[^0-9.]],,g' -e 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
45    if test "x$enable_libfametest" = "xyes" ; then
46      ac_save_CFLAGS="$CFLAGS"
47      ac_save_LIBS="$LIBS"
48      CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
49      LIBS="$LIBFAME_LIBS $LIBS"
50dnl
51dnl Now check if the installed LIBFAME is sufficiently new. (Also sanity
52dnl checks the results of libfame-config to some extent
53dnl
54      rm -f conf.libfametest
55      AC_TRY_RUN([
56#include <fame.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60
61int
62main ()
63{
64  int major, minor, micro;
65  char *tmp_version;
66
67  system ("touch conf.libfametest");
68
69  /* HP/UX 9 (%@#!) writes to sscanf strings */
70  tmp_version = strdup("$min_libfame_version");
71  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
72     printf("%s, bad version string\n", "$min_libfame_version");
73     exit(1);
74   }
75
76  if ((libfame_major_version != $libfame_config_major_version) ||
77      (libfame_minor_version != $libfame_config_minor_version) ||
78      (libfame_micro_version != $libfame_config_micro_version))
79    {
80      printf("\n*** 'libfame-config --version' returned %d.%d.%d, but Libfame (%d.%d.%d)\n",
81             $libfame_config_major_version, $libfame_config_minor_version, $libfame_config_micro_version,
82             libfame_major_version, libfame_minor_version, libfame_micro_version);
83      printf ("*** was found! If libfame-config was correct, then it is best\n");
84      printf ("*** to remove the old version of libfame. You may also be able to fix the error\n");
85      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
86      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
87      printf("*** required on your system.\n");
88      printf("*** If libfame-config was wrong, set the environment variable LIBFAME_CONFIG\n");
89      printf("*** to point to the correct copy of libfame-config, and remove the file config.cache\n");
90      printf("*** before re-running configure\n");
91    }
92#if defined (LIBFAME_MAJOR_VERSION) && defined (LIBFAME_MINOR_VERSION) && defined (LIBFAME_MICRO_VERSION)
93  else if ((libfame_major_version != LIBFAME_MAJOR_VERSION) ||
94	   (libfame_minor_version != LIBFAME_MINOR_VERSION) ||
95           (libfame_micro_version != LIBFAME_MICRO_VERSION))
96    {
97      printf("*** libfame header files (version %d.%d.%d) do not match\n",
98	     LIBFAME_MAJOR_VERSION, LIBFAME_MINOR_VERSION, LIBFAME_MICRO_VERSION);
99      printf("*** library (version %d.%d.%d)\n",
100	     libfame_major_version, libfame_minor_version, libfame_micro_version);
101    }
102#endif /* defined (LIBFAME_MAJOR_VERSION) ... */
103  else
104    {
105      if ((libfame_major_version > major) ||
106        ((libfame_major_version == major) && (libfame_minor_version > minor)) ||
107        ((libfame_major_version == major) && (libfame_minor_version == minor) && (libfame_micro_version >= micro)))
108      {
109        return 0;
110       }
111     else
112      {
113        printf("\n*** An old version of libfame (%d.%d.%d) was found.\n",
114               libfame_major_version, libfame_minor_version, libfame_micro_version);
115        printf("*** You need a version of libfame newer than %d.%d.%d. The latest version of\n",
116	       major, minor, micro);
117        printf("*** libfame is always available from http://www-eleves.enst-bretagne.fr/~chappeli/fame\n");
118        printf("***\n");
119        printf("*** If you have already installed a sufficiently new version, this error\n");
120        printf("*** probably means that the wrong copy of the libfame-config shell script is\n");
121        printf("*** being found. The easiest way to fix this is to remove the old version\n");
122        printf("*** of libfame, but you can also set the LIBFAME_CONFIG environment to point to the\n");
123        printf("*** correct copy of libfame-config. (In this case, you will have to\n");
124        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
125        printf("*** so that the correct libraries are found at run-time))\n");
126      }
127    }
128  return 1;
129}
130],, no_libfame=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
131       CFLAGS="$ac_save_CFLAGS"
132       LIBS="$ac_save_LIBS"
133     fi
134  fi
135  if test "x$no_libfame" = x ; then
136     AC_MSG_RESULT(yes)
137     ifelse([$2], , :, [$2])
138  else
139     AC_MSG_RESULT(no)
140     if test "$LIBFAME_CONFIG" = "no" ; then
141       echo "*** The libfame-config script installed by libfame could not be found"
142       echo "*** If libfame was installed in PREFIX, make sure PREFIX/bin is in"
143       echo "*** your path, or set the LIBFAME_CONFIG environment variable to the"
144       echo "*** full path to libfame-config."
145     else
146       if test -f conf.libfametest ; then
147        :
148       else
149          echo "*** Could not run libfame test program, checking why..."
150          CFLAGS="$CFLAGS $LIBFAME_CFLAGS"
151          LIBS="$LIBS $LIBFAME_LIBS"
152          AC_TRY_LINK([
153#include <fame.h>
154#include <stdio.h>
155],      [ return ((libfame_major_version) || (libfame_minor_version) || (libfame_micro_version)); ],
156        [ echo "*** The test program compiled, but did not run. This usually means"
157          echo "*** that the run-time linker is not finding libfame or finding the wrong"
158          echo "*** version of LIBFAME. If it is not finding libfame, you'll need to set your"
159          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
160          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
161          echo "*** is required on your system"
162	  echo "***"
163          echo "*** If you have an old version installed, it is best to remove it, although"
164          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
165          echo "***" ],
166        [ echo "*** The test program failed to compile or link. See the file config.log for the"
167          echo "*** exact error that occured. This usually means libfame was incorrectly installed"
168          echo "*** or that you have moved libfame since it was installed. In the latter case, you"
169          echo "*** may want to edit the libfame-config script: $LIBFAME_CONFIG" ])
170          CFLAGS="$ac_save_CFLAGS"
171          LIBS="$ac_save_LIBS"
172       fi
173     fi
174     LIBFAME_CFLAGS=""
175     LIBFAME_LIBS=""
176     ifelse([$3], , :, [$3])
177  fi
178
179  AC_SUBST(LIBFAME_CFLAGS)
180  AC_SUBST(LIBFAME_LIBS)
181  rm -f conf.libfametest
182])
183