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# Configure paths for the Audio File Library
# Bertrand Guiheneuf 98-10-21
# stolen from esd.m4 in esound :
# Manish Singh 98-9-30
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
dnl AM_PATH_AUDIOFILE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for Audio File Library, and define AUDIOFILE_CFLAGS and AUDIOFILE_LIBS.
dnl
AC_DEFUN([AM_PATH_AUDIOFILE],
[dnl
dnl Get compiler flags and libraries from the audiofile-config script.
dnl
AC_ARG_WITH(audiofile-prefix,[ --with-audiofile-prefix=PFX Prefix where Audio File Library is installed (optional)],
audiofile_prefix="$withval", audiofile_prefix="")
AC_ARG_WITH(audiofile-exec-prefix,[ --with-audiofile-exec-prefix=PFX Exec prefix where Audio File Library is installed (optional)],
audiofile_exec_prefix="$withval", audiofile_exec_prefix="")
AC_ARG_ENABLE(audiofiletest, [ --disable-audiofiletest Do not try to compile and run a test Audio File Library program], , enable_audiofiletest=yes)
if test x$audiofile_exec_prefix != x ; then
audiofile_args="$audiofile_args --exec-prefix=$audiofile_exec_prefix"
if test x${AUDIOFILE_CONFIG+set} != xset ; then
AUDIOFILE_CONFIG=$audiofile_exec_prefix/bin/audiofile-config
fi
fi
if test x$audiofile_prefix != x ; then
audiofile_args="$audiofile_args --prefix=$audiofile_prefix"
if test x${AUDIOFILE_CONFIG+set} != xset ; then
AUDIOFILE_CONFIG=$audiofile_prefix/bin/audiofile-config
fi
fi
AC_PATH_PROG(AUDIOFILE_CONFIG, audiofile-config, no)
min_audiofile_version=ifelse([$1], ,0.2.5,$1)
AC_MSG_CHECKING(for Audio File Library - version >= $min_audiofile_version)
no_audiofile=""
if test "$AUDIOFILE_CONFIG" = "no" ; then
no_audiofile=yes
else
AUDIOFILE_LIBS=`$AUDIOFILE_CONFIG $audiofileconf_args --libs`
AUDIOFILE_CFLAGS=`$AUDIOFILE_CONFIG $audiofileconf_args --cflags`
audiofile_major_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
audiofile_minor_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
audiofile_micro_version=`$AUDIOFILE_CONFIG $audiofile_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_audiofiletest" = "xyes" ; then
AC_LANG_SAVE
AC_LANG_C
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
LIBS="$LIBS $AUDIOFILE_LIBS"
dnl
dnl Now check if the installed Audio File Library is sufficiently new.
dnl (Also checks the sanity of the results of audiofile-config to some extent.)
dnl
rm -f conf.audiofiletest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <audiofile.h>
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.audiofiletest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_audiofile_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_audiofile_version");
exit(1);
}
if (($audiofile_major_version > major) ||
(($audiofile_major_version == major) && ($audiofile_minor_version > minor)) ||
(($audiofile_major_version == major) && ($audiofile_minor_version == minor) && ($audiofile_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'audiofile-config --version' returned %d.%d.%d, but the minimum version\n", $audiofile_major_version, $audiofile_minor_version, $audiofile_micro_version);
printf("*** of the Audio File Library required is %d.%d.%d. If audiofile-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If audiofile-config was wrong, set the environment variable AUDIOFILE_CONFIG\n");
printf("*** to point to the correct copy of audiofile-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
],, no_audiofile=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_LANG_RESTORE
fi
fi
if test "x$no_audiofile" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$AUDIOFILE_CONFIG" = "no" ; then
cat <<END
*** The audiofile-config script installed by the Audio File Library could
*** not be found. If the Audio File Library was installed in PREFIX, make
*** sure PREFIX/bin is in your path, or set the AUDIOFILE_CONFIG
*** environment variable to the full path to audiofile-config.
END
else
if test -f conf.audiofiletest ; then
:
else
echo "*** Could not run Audio File Library test program; checking why..."
AC_LANG_SAVE
AC_LANG_C
CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
LIBS="$LIBS $AUDIOFILE_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <audiofile.h>
], [ return 0; ],
[ cat <<END
*** The test program compiled, but did not run. This usually means that
*** the run-time linker is not finding Audio File Library or finding the
*** wrong version of Audio File Library.
***
*** If it is not finding Audio File Library, you'll need to set your
*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point
*** to the installed location. Also, make sure you have run ldconfig if
*** that is required on your system.
***
*** If you have an old version installed, it is best to remove it, although
*** you may also be able to get things to work by modifying
*** LD_LIBRARY_PATH.
END
],
[ echo "*** The test program failed to compile or link. See the file config.log"
echo "*** for the exact error that occured. This usually means the Audio File"
echo "*** Library was incorrectly installed or that you have moved the Audio"
echo "*** File Library since it was installed. In the latter case, you may want"
echo "*** to edit the audiofile-config script: $AUDIOFILE_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_LANG_RESTORE
fi
fi
AUDIOFILE_CFLAGS=""
AUDIOFILE_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(AUDIOFILE_CFLAGS)
AC_SUBST(AUDIOFILE_LIBS)
rm -f conf.audiofiletest
])
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