$OpenBSD: patch-configure_ac,v 1.3 2009/06/07 11:56:51 phessler Exp $
--- configure.ac.orig	Fri Mar  6 22:37:45 2009
+++ configure.ac	Fri Mar  6 22:44:26 2009
@@ -155,7 +155,7 @@ dnl
 dnl audio backend
 dnl
 AC_ARG_WITH(audio,
-            [AC_HELP_STRING([--with-audio=@<:@auto/pulse/none@:>@],
+            [AC_HELP_STRING([--with-audio=@<:@auto/pulse/sndio/none@:>@],
                             [audio backend to use])],,
 	    [with_audio=alsa])
 
@@ -170,6 +170,22 @@ if test "$with_audio" = "alsa"; then
       AC_MSG_ERROR([no alsa audio support])
     else
       AC_MSG_WARN([no alsa audio support])
+    fi
+  fi
+fi
+
+if test "$with_audio" = "sndio"; then
+  AC_CHECK_HEADERS([sndio.h], [AUDIO_TYPE=sndio])
+  if test "$AUDIO_TYPE" = "sndio"; then
+    SNDIO_CFLAGS=""
+    SNDIO_LIBS="-lsndio"
+    AUDIO_CFLAGS=$SNDIO_CFLAGS
+    AUDIO_LIBS=$SNDIO_LIBS
+  else
+    if test "$with_audio" = "sndio"; then
+      AC_MSG_ERROR([no sndio audio support])
+    else
+      AC_MSG_WARN([no sndio audio support])
     fi
   fi
 fi