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-rw-r--r--m4/audiofile.m4179
1 files changed, 179 insertions, 0 deletions
diff --git a/m4/audiofile.m4 b/m4/audiofile.m4
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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, &micro) != 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
+])