add audiofile.m4
git-svn-id: https://svn.musicpd.org/mpd/trunk@3061 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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Warren Dukes
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179
m4/audiofile.m4
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179
m4/audiofile.m4
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# Configure paths for the Audio File Library
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# Bertrand Guiheneuf 98-10-21
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# stolen from esd.m4 in esound :
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# Manish Singh 98-9-30
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_PATH_AUDIOFILE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for Audio File Library, and define AUDIOFILE_CFLAGS and AUDIOFILE_LIBS.
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dnl
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AC_DEFUN([AM_PATH_AUDIOFILE],
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[dnl
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dnl Get compiler flags and libraries from the audiofile-config script.
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dnl
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AC_ARG_WITH(audiofile-prefix,[ --with-audiofile-prefix=PFX Prefix where Audio File Library is installed (optional)],
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audiofile_prefix="$withval", audiofile_prefix="")
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AC_ARG_WITH(audiofile-exec-prefix,[ --with-audiofile-exec-prefix=PFX Exec prefix where Audio File Library is installed (optional)],
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audiofile_exec_prefix="$withval", audiofile_exec_prefix="")
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AC_ARG_ENABLE(audiofiletest, [ --disable-audiofiletest Do not try to compile and run a test Audio File Library program], , enable_audiofiletest=yes)
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if test x$audiofile_exec_prefix != x ; then
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audiofile_args="$audiofile_args --exec-prefix=$audiofile_exec_prefix"
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if test x${AUDIOFILE_CONFIG+set} != xset ; then
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AUDIOFILE_CONFIG=$audiofile_exec_prefix/bin/audiofile-config
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fi
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fi
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if test x$audiofile_prefix != x ; then
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audiofile_args="$audiofile_args --prefix=$audiofile_prefix"
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if test x${AUDIOFILE_CONFIG+set} != xset ; then
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AUDIOFILE_CONFIG=$audiofile_prefix/bin/audiofile-config
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fi
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fi
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AC_PATH_PROG(AUDIOFILE_CONFIG, audiofile-config, no)
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min_audiofile_version=ifelse([$1], ,0.2.5,$1)
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AC_MSG_CHECKING(for Audio File Library - version >= $min_audiofile_version)
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no_audiofile=""
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if test "$AUDIOFILE_CONFIG" = "no" ; then
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no_audiofile=yes
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else
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AUDIOFILE_LIBS=`$AUDIOFILE_CONFIG $audiofileconf_args --libs`
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AUDIOFILE_CFLAGS=`$AUDIOFILE_CONFIG $audiofileconf_args --cflags`
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audiofile_major_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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audiofile_minor_version=`$AUDIOFILE_CONFIG $audiofile_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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audiofile_micro_version=`$AUDIOFILE_CONFIG $audiofile_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_audiofiletest" = "xyes" ; then
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AC_LANG_SAVE
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AC_LANG_C
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
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LIBS="$LIBS $AUDIOFILE_LIBS"
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dnl
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dnl Now check if the installed Audio File Library is sufficiently new.
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dnl (Also checks the sanity of the results of audiofile-config to some extent.)
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dnl
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rm -f conf.audiofiletest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <audiofile.h>
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char*
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my_strdup (char *str)
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{
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char *new_str;
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if (str)
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{
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new_str = malloc ((strlen (str) + 1) * sizeof(char));
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strcpy (new_str, str);
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}
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else
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new_str = NULL;
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return new_str;
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}
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int main ()
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{
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int major, minor, micro;
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char *tmp_version;
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system ("touch conf.audiofiletest");
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = my_strdup("$min_audiofile_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_audiofile_version");
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exit(1);
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}
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if (($audiofile_major_version > major) ||
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(($audiofile_major_version == major) && ($audiofile_minor_version > minor)) ||
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(($audiofile_major_version == major) && ($audiofile_minor_version == minor) && ($audiofile_micro_version >= micro)))
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{
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return 0;
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}
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else
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{
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printf("\n*** 'audiofile-config --version' returned %d.%d.%d, but the minimum version\n", $audiofile_major_version, $audiofile_minor_version, $audiofile_micro_version);
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printf("*** of the Audio File Library required is %d.%d.%d. If audiofile-config is correct, then it is\n", major, minor, micro);
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printf("*** best to upgrade to the required version.\n");
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printf("*** If audiofile-config was wrong, set the environment variable AUDIOFILE_CONFIG\n");
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printf("*** to point to the correct copy of audiofile-config, and remove the file\n");
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printf("*** config.cache before re-running configure\n");
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return 1;
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}
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}
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],, no_audiofile=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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AC_LANG_RESTORE
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fi
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fi
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if test "x$no_audiofile" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$AUDIOFILE_CONFIG" = "no" ; then
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cat <<END
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*** The audiofile-config script installed by the Audio File Library could
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*** not be found. If the Audio File Library was installed in PREFIX, make
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*** sure PREFIX/bin is in your path, or set the AUDIOFILE_CONFIG
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*** environment variable to the full path to audiofile-config.
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END
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else
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if test -f conf.audiofiletest ; then
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:
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else
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echo "*** Could not run Audio File Library test program; checking why..."
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AC_LANG_SAVE
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AC_LANG_C
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CFLAGS="$CFLAGS $AUDIOFILE_CFLAGS"
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LIBS="$LIBS $AUDIOFILE_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <audiofile.h>
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], [ return 0; ],
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[ cat <<END
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*** The test program compiled, but did not run. This usually means that
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*** the run-time linker is not finding Audio File Library or finding the
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*** wrong version of Audio File Library.
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***
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*** If it is not finding Audio File Library, you'll need to set your
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*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point
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*** to the installed location. Also, make sure you have run ldconfig if
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*** that is required on your system.
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***
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*** If you have an old version installed, it is best to remove it, although
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*** you may also be able to get things to work by modifying
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*** LD_LIBRARY_PATH.
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END
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],
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[ echo "*** The test program failed to compile or link. See the file config.log"
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echo "*** for the exact error that occured. This usually means the Audio File"
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echo "*** Library was incorrectly installed or that you have moved the Audio"
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echo "*** File Library since it was installed. In the latter case, you may want"
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echo "*** to edit the audiofile-config script: $AUDIOFILE_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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AC_LANG_RESTORE
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fi
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fi
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AUDIOFILE_CFLAGS=""
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AUDIOFILE_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(AUDIOFILE_CFLAGS)
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AC_SUBST(AUDIOFILE_LIBS)
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rm -f conf.audiofiletest
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])
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