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-rw-r--r--m4/alsa.m4142
1 files changed, 0 insertions, 142 deletions
diff --git a/m4/alsa.m4 b/m4/alsa.m4
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index ea5730cf4..000000000
--- a/m4/alsa.m4
+++ /dev/null
@@ -1,142 +0,0 @@
-dnl Configure Paths for Alsa
-dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
-dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
-dnl Jaroslav Kysela <perex@suse.cz>
-dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 tiwai Exp
-dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
-dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
-dnl enables arguments --with-alsa-prefix=
-dnl --with-alsa-enc-prefix=
-dnl --disable-alsatest
-dnl
-dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
-dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
-dnl
-AC_DEFUN([AM_PATH_ALSA],
-[dnl Save the original CFLAGS, LDFLAGS, and LIBS
-alsa_save_CFLAGS="$CFLAGS"
-alsa_save_LDFLAGS="$LDFLAGS"
-alsa_save_LIBS="$LIBS"
-alsa_found=yes
-
-dnl
-dnl Get the cflags and libraries for alsa
-dnl
-AC_ARG_WITH(alsa-prefix,
-[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
-[alsa_prefix="$withval"], [alsa_prefix=""])
-
-AC_ARG_WITH(alsa-inc-prefix,
-[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
-[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
-
-dnl FIXME: this is not yet implemented
-AC_ARG_ENABLE(alsatest,
-[ --disable-alsatest Do not try to compile and run a test Alsa program],
-[enable_alsatest="$enableval"],
-[enable_alsatest=yes])
-
-dnl Add any special include directories
-AC_MSG_CHECKING(for ALSA CFLAGS)
-if test "$alsa_inc_prefix" != "" ; then
- ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
- CFLAGS="$CFLAGS -I$alsa_inc_prefix"
-fi
-AC_MSG_RESULT($ALSA_CFLAGS)
-CFLAGS="$alsa_save_CFLAGS"
-
-dnl add any special lib dirs
-AC_MSG_CHECKING(for ALSA LDFLAGS)
-if test "$alsa_prefix" != "" ; then
- ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
- LDFLAGS="$LDFLAGS $ALSA_LIBS"
-fi
-
-dnl add the alsa library
-ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
-LIBS=`echo $LIBS | sed 's/-lm//'`
-LIBS=`echo $LIBS | sed 's/-ldl//'`
-LIBS=`echo $LIBS | sed 's/-lpthread//'`
-LIBS=`echo $LIBS | sed 's/ //'`
-LIBS="$ALSA_LIBS $LIBS"
-AC_MSG_RESULT($ALSA_LIBS)
-
-dnl Check for a working version of libasound that is of the right version.
-min_alsa_version=ifelse([$1], ,0.1.1,$1)
-AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
-no_alsa=""
- alsa_min_major_version=`echo $min_alsa_version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
- alsa_min_minor_version=`echo $min_alsa_version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
- alsa_min_micro_version=`echo $min_alsa_version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-
-AC_LANG_SAVE
-AC_LANG_C
-AC_TRY_COMPILE([
-#include <alsa/asoundlib.h>
-], [
-/* ensure backward compatibility */
-#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
-#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
-#endif
-#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
-#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
-#endif
-#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
-#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
-#endif
-
-# if(SND_LIB_MAJOR > $alsa_min_major_version)
- exit(0);
-# else
-# if(SND_LIB_MAJOR < $alsa_min_major_version)
-# error not present
-# endif
-
-# if(SND_LIB_MINOR > $alsa_min_minor_version)
- exit(0);
-# else
-# if(SND_LIB_MINOR < $alsa_min_minor_version)
-# error not present
-# endif
-
-# if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
-# error not present
-# endif
-# endif
-# endif
-exit(0);
-],
- [AC_MSG_RESULT(found.)],
- [AC_MSG_RESULT(not present.)
- ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
- alsa_found=no]
-)
-AC_LANG_RESTORE
-
-dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
-if test "x$enable_alsatest" = "xyes"; then
-AC_CHECK_LIB([asound], [snd_ctl_open],,
- [ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
- alsa_found=no]
-)
-fi
-
-LDFLAGS="$alsa_save_LDFLAGS"
-LIBS="$alsa_save_LIBS"
-
-if test "x$alsa_found" = "xyes" ; then
- ifelse([$2], , :, [$2])
-else
- ALSA_CFLAGS=""
- ALSA_LIBS=""
- ifelse([$3], , :, [$3])
-fi
-
-dnl That should be it. Now just export out symbols:
-AC_SUBST(ALSA_CFLAGS)
-AC_SUBST(ALSA_LIBS)
-])
-