1# Configure paths for AUDIOFILE
2# Bertrand Guiheneuf 98-10-21
3# stolen from esd.m4 in esound :
4# 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_AUDIOFILE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
10dnl Test for AUDIOFILE, and define AUDIOFILE_CFLAGS and AUDIOFILE_LIBS
11dnl
12AC_DEFUN([AM_PATH_AUDIOFILE],
13[dnl
14dnl Get the cflags and libraries from the audiofile-config script
15dnl
16AC_ARG_WITH(audiofile-prefix,[  --with-audiofile-prefix=PFX   Prefix where AUDIOFILE is installed (optional)],
17            audiofile_prefix="$withval", audiofile_prefix="")
18AC_ARG_WITH(audiofile-exec-prefix,[  --with-audiofile-exec-prefix=PFX Exec prefix where AUDIOFILE is installed (optional)],
19            audiofile_exec_prefix="$withval", audiofile_exec_prefix="")
20AC_ARG_ENABLE(audiofiletest, [  --disable-audiofiletest       Do not try to compile and run a test AUDIOFILE program],
21		    , enable_audiofiletest=yes)
22
23  if test x$audiofile_exec_prefix != x ; then
24     audiofile_args="$audiofile_args --exec-prefix=$audiofile_exec_prefix"
25     if test x${AUDIOFILE_CONFIG+set} != xset ; then
26        AUDIOFILE_CONFIG=$audiofile_exec_prefix/bin/audiofile-config
27     fi
28  fi
29  if test x$audiofile_prefix != x ; then
30     audiofile_args="$audiofile_args --prefix=$audiofile_prefix"
31     if test x${AUDIOFILE_CONFIG+set} != xset ; then
32        AUDIOFILE_CONFIG=$audiofile_prefix/bin/audiofile-config
33     fi
34  fi
35
36  AC_PATH_PROG(AUDIOFILE_CONFIG, audiofile-config, no)
37  min_audiofile_version=ifelse([$1], ,0.2.5,$1)
38  AC_MSG_CHECKING(for AUDIOFILE - version >= $min_audiofile_version)
39  no_audiofile=""
40  if test "$AUDIOFILE_CONFIG" = "no" ; then
41    no_audiofile=yes
42  else
43    AUDIOFILE_LIBS=`$AUDIOFILE_CONFIG $audiofileconf_args --libs`
44    AUDIOFILE_CFLAGS=`$AUDIOFILE_CONFIG $audiofileconf_args --cflags`
45    audiofile_major_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
46           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
47    audiofile_minor_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
48           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
49    audiofile_micro_version=`$AUDIOFILE_CONFIG $audiofile_config_args --version | \
50           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
51    if test "x$enable_audiofiletest" = "xyes" ; then
52      ac_save_CFLAGS="$CFLAGS"
53      ac_save_LIBS="$LIBS"
54      CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
55      LIBS="$LIBS $AUDIOFILE_LIBS"
56dnl
57dnl Now check if the installed AUDIOFILE is sufficiently new. (Also sanity
58dnl checks the results of audiofile-config to some extent
59dnl
60      rm -f conf.audiofiletest
61      AC_TRY_RUN([
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include <audiofile.h>
66
67char*
68my_strdup (char *str)
69{
70  char *new_str;
71
72  if (str)
73    {
74      new_str = malloc ((strlen (str) + 1) * sizeof(char));
75      strcpy (new_str, str);
76    }
77  else
78    new_str = NULL;
79
80  return new_str;
81}
82
83int main ()
84{
85  int major, minor, micro;
86  char *tmp_version;
87
88  system ("touch conf.audiofiletest");
89
90  /* HP/UX 9 (%@#!) writes to sscanf strings */
91  tmp_version = my_strdup("$min_audiofile_version");
92  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
93     printf("%s, bad version string\n", "$min_audiofile_version");
94     exit(1);
95   }
96
97   if (($audiofile_major_version > major) ||
98      (($audiofile_major_version == major) && ($audiofile_minor_version > minor)) ||
99      (($audiofile_major_version == major) && ($audiofile_minor_version == minor) && ($audiofile_micro_version >= micro)))
100    {
101      return 0;
102    }
103  else
104    {
105      printf("\n*** 'audiofile-config --version' returned %d.%d.%d, but the minimum version\n", $audiofile_major_version, $audiofile_minor_version, $audiofile_micro_version);
106      printf("*** of AUDIOFILE required is %d.%d.%d. If audiofile-config is correct, then it is\n", major, minor, micro);
107      printf("*** best to upgrade to the required version.\n");
108      printf("*** If audiofile-config was wrong, set the environment variable AUDIOFILE_CONFIG\n");
109      printf("*** to point to the correct copy of audiofile-config, and remove the file\n");
110      printf("*** config.cache before re-running configure\n");
111      return 1;
112    }
113}
114
115],, no_audiofile=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
116       CFLAGS="$ac_save_CFLAGS"
117       LIBS="$ac_save_LIBS"
118     fi
119  fi
120  if test "x$no_audiofile" = x ; then
121     AC_MSG_RESULT(yes)
122     ifelse([$2], , :, [$2])
123  else
124     AC_MSG_RESULT(no)
125     if test "$AUDIOFILE_CONFIG" = "no" ; then
126       echo "*** The audiofile-config script installed by AUDIOFILE could not be found"
127       echo "*** If AUDIOFILE was installed in PREFIX, make sure PREFIX/bin is in"
128       echo "*** your path, or set the AUDIOFILE_CONFIG environment variable to the"
129       echo "*** full path to audiofile-config."
130     else
131       if test -f conf.audiofiletest ; then
132        :
133       else
134          echo "*** Could not run AUDIOFILE test program, checking why..."
135          CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
136          LIBS="$LIBS $AUDIOFILE_LIBS"
137          AC_TRY_LINK([
138#include <stdio.h>
139#include <audiofile.h>
140],      [ return 0; ],
141        [ echo "*** The test program compiled, but did not run. This usually means"
142          echo "*** that the run-time linker is not finding AUDIOFILE or finding the wrong"
143          echo "*** version of AUDIOFILE. If it is not finding AUDIOFILE, you'll need to set your"
144          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
145          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
146          echo "*** is required on your system"
147	  echo "***"
148          echo "*** If you have an old version installed, it is best to remove it, although"
149          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
150        [ echo "*** The test program failed to compile or link. See the file config.log for the"
151          echo "*** exact error that occured. This usually means AUDIOFILE was incorrectly installed"
152          echo "*** or that you have moved AUDIOFILE since it was installed. In the latter case, you"
153          echo "*** may want to edit the audiofile-config script: $AUDIOFILE_CONFIG" ])
154          CFLAGS="$ac_save_CFLAGS"
155          LIBS="$ac_save_LIBS"
156       fi
157     fi
158     AUDIOFILE_CFLAGS=""
159     AUDIOFILE_LIBS=""
160     ifelse([$3], , :, [$3])
161  fi
162  AC_SUBST(AUDIOFILE_CFLAGS)
163  AC_SUBST(AUDIOFILE_LIBS)
164  rm -f conf.audiofiletest
165])
166
167