diff options
Diffstat (limited to 'm4/audiofile.m4')
| -rw-r--r-- | m4/audiofile.m4 | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/m4/audiofile.m4 b/m4/audiofile.m4 new file mode 100644 index 000000000..86176c5d4 --- /dev/null +++ b/m4/audiofile.m4 @@ -0,0 +1,179 @@ +# 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 +]) |