diff --git a/m4/gst-alsa.m4 b/m4/gst-alsa.m4
--- /dev/null
+++ b/m4/gst-alsa.m4
@@ -0,0 +1,144 @@
+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: 07/01/2001
+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 (this has no effect, as yet)
+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="$withval"], [alsa_inc_prefix=""])
+
+dnl FIXME: this is not yet implemented
+AC_ARG_ENABLE(alsatest,
+[ --disable-alsatest Do not try to compile and run a test Alsa program],
+[enable_alsatest=no],
+[enable_alsatest=yes])
+
+dnl Add any special include directories
+AC_MSG_CHECKING(for ALSA CFLAGS)
+if test "$alsa_inc_prefix" != "" ; then
+ ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
+ CFLAGS="$CFLAGS -I$alsa_inc_prefix"
+fi
+AC_MSG_RESULT($ALSA_CFLAGS)
+
+dnl add any special lib dirs
+AC_MSG_CHECKING(for ALSA LDFLAGS)
+if test "$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"
+LIBS=`echo $LIBS | sed 's/-lm//'`
+LIBS=`echo $LIBS | sed 's/-ldl//'`
+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 <sys/asoundlib.h>
+], [
+void main(void)
+{
+/* 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.
+AC_CHECK_LIB([asound], [snd_seq_create_event],,
+ [ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
+ alsa_found=no]
+)
+
+if test "x$alsa_found" = "xyes" ; then
+ ifelse([$2], , :, [$2])
+ LIBS=`echo $LIBS | sed 's/-lasound//g'`
+ LIBS=`echo $LIBS | sed 's/ //'`
+ LIBS="-lasound $LIBS"
+fi
+if test "x$alsa_found" = "xno" ; then
+ ifelse([$3], , :, [$3])
+ CFLAGS="$alsa_save_CFLAGS"
+ LDFLAGS="$alsa_save_LDFLAGS"
+ LIBS="$alsa_save_LIBS"
+ ALSA_CFLAGS=""
+ ALSA_LIBS=""
+fi
+
+dnl That should be it. Now just export out symbols:
+AC_SUBST(ALSA_CFLAGS)
+AC_SUBST(ALSA_LIBS)
+])