# 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 ])