trying to add a check for libaudiofile (-> plugins/audiofile/afsink)

Original commit message from CVS:
trying to add a check for libaudiofile (-> plugins/audiofile/afsink)

configure.in

@@ -263,6 +263,35 @@ AC_ARG_ENABLE(alsasink,
 esac],
 [HAVE_LIBASOUND=$HAVE_LIBASOUND])
 
+
+dnl Check for libaudiofile
+AC_PATH_PROG(AUDIOFILE_CONFIG, audiofile-config, no)
+if test x$AUDIOFILE_CONFIG = xno; then
+  AC_MSG_WARN(Couldn't find audiofile-config: can't build afsink)
+  AUDIOFILE_LIBS=
+  HAVE_LIBAUDIOFILE=false
+else
+  AC_MSG_WARN(did find audiofile-config: delete this msg)
+  AUDIOFILE_LIBS=`audiofile-config --libs`
+  HAVE_LIBAUDIOFILE=true
+fi
+AC_SUBST(AUDIOFILE_LIBS)
+AC_SUBST(HAVE_LIBAUDIOFILE)
+
+alsa_save_LIBS=$LIBS
+alsa_save_CFLAGS=$CFLAGS
+AM_PATH_ALSA(0.5.0, HAVE_LIBASOUND=yes, HAVE_LIBASOUND=no)
+LIBS=$alsa_save_LIBS
+CFLAGS=$alsa_save_CFLAGS
+AC_ARG_ENABLE(alsasink,
+[  --enable-alsasink          enable the building of the alsasink],
+[case "${enableval}" in
+	yes) HAVE_LIBASOUND=$HAVE_LIBASOUND ;;
+	no) HAVE_LIBASOUND=no ;;
+	*) AC_MSG_ERROR(bad value ${enableval} for --enable-alsasink) ;;
+esac],
+[HAVE_LIBASOUND=$HAVE_LIBASOUND])
+
 dnl Check for libgdk-pixbuf
 AC_PATH_PROG(GDK_PIXBUF_CONFIG, gdk-pixbuf-config, no)
 if test x$GDK_PIXBUF_CONFIG = xno; then
@@ -770,6 +799,10 @@ if test "x$HAVE_MPEG2DEC" = xyes; then
   AC_DEFINE(HAVE_MPEG2DEC)
 fi
 
+if test "x$HAVE_LIBAUDIOFILE" = xyes; then
+  AC_DEFINE(HAVE_LIBAUDIOFILE)
+fi
+
 dnl #############################
 dnl # Set automake conditionals #
 dnl #############################
@@ -783,6 +816,7 @@ AM_CONDITIONAL(HAVE_CPU_ARM,        test "x$HAVE_CPU_ARM" = "xyes")
 AM_CONDITIONAL(HAVE_CPU_SPARC,      test "x$HAVE_CPU_SPARC" = "xyes")
 AM_CONDITIONAL(HAVE_GDK_PIXBUF,     test "x$USE_GDK_PIXBUF" = "xyes")
 AM_CONDITIONAL(HAVE_LIBGHTTP,       test "x$USE_LIBGHTTP" = "xyes")
+AM_CONDITIONAL(HAVE_LIBAUDIOFILE,   test "x$HAVE_LIBAUDIOFILE" = "xyes")
 AM_CONDITIONAL(HAVE_LIBMMX,         test "x$USE_LIBMMX" = "xyes")
 AM_CONDITIONAL(HAVE_ATOMIC_H,       test "x$USE_ATOMIC_H" = "xyes")
 AM_CONDITIONAL(HAVE_OSS,            test "x$HAVE_OSS" = "xyes")