$OpenBSD: patch-configure_ac,v 1.7 2012/01/24 08:03:52 ajacoutot Exp $
--- configure.ac.orig	Wed Sep 28 15:09:59 2011
+++ configure.ac	Mon Jan 23 14:21:11 2012
@@ -765,7 +765,7 @@ AC_SUBST(NETJACK_CFLAGS)
 
 # Check which backend drivers can be built.  The last one successfully
 # configured becomes the default JACK driver; so the order of
-# precedence is: alsa, sun, oss, coreaudio, portaudio, dummy.
+# precedence is: alsa, sun, sndio, oss, coreaudio, portaudio, dummy.
 
 JACK_DEFAULT_DRIVER=\"dummy\"
 
@@ -825,6 +825,20 @@ then
 fi
 AM_CONDITIONAL(HAVE_SUN, $HAVE_SUN)
 
+AC_ARG_ENABLE(sndio, AC_HELP_STRING([--disable-sndio],[ignore sndio driver ]),
+			TRY_SNDIO=$enableval , TRY_SNDIO=yes ) 
+HAVE_SNDIO="false"
+if test "x$TRY_SNDIO" = "xyes"
+then
+	# check for sndio audio API
+	AC_CHECK_HEADER([sndio.h],
+	     [HAVE_SNDIO="true"
+              JACK_DEFAULT_DRIVER=\"sndio\"])
+	SNDIO_LIBS="-lsndio"
+	AC_SUBST([SNDIO_LIBS])
+fi
+AM_CONDITIONAL(HAVE_SNDIO, $HAVE_SNDIO)
+
 AC_ARG_ENABLE(freebob, AC_HELP_STRING([--disable-freebob],[ignore FreeBob driver ]),
 			TRY_FREEBOB=$enableval , TRY_FREEBOB=yes ) 
 HAVE_FREEBOB="false"
@@ -957,6 +971,7 @@ drivers/a2j/Makefile
 drivers/dummy/Makefile
 drivers/oss/Makefile
 drivers/sun/Makefile
+drivers/sndio/Makefile
 drivers/portaudio/Makefile
 drivers/coreaudio/Makefile
 drivers/freebob/Makefile
@@ -987,6 +1002,7 @@ echo \| Build with old FireWire \(FreeBob\) support...
 echo \| Build with new FireWire \(FFADO\) support............... : $HAVE_FIREWIRE
 echo \| Build with OSS support................................ : $HAVE_OSS
 echo \| Build with Sun audio support.......................... : $HAVE_SUN
+echo \| Build with sndio support.............................. : $HAVE_SNDIO
 echo \| Build with CoreAudio support.......................... : $HAVE_COREAUDIO
 echo \| Build with PortAudio support.......................... : $HAVE_PA
 echo \| Build with Celt support............................... : $HAVE_CELT