$OpenBSD: patch-configure,v 1.2 2013/01/13 09:10:40 sthen Exp $

sndio

--- configure.orig	Thu Jan 10 00:24:22 2013
+++ configure	Thu Jan 10 00:24:28 2013
@@ -13343,7 +13343,7 @@ done
 			libmikmod_driver_hp=yes
 		fi
 	;;
-	NetBSD|OpenBSD)
+	NetBSD)
 		for ac_header in sys/audioio.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "sys/audioio.h" "ac_cv_header_sys_audioio_h" "$ac_includes_default"
