$OpenBSD: patch-configure_in,v 1.2 2010/07/01 01:57:33 jakemsr Exp $
--- configure.in.orig	Tue Nov 15 01:40:02 2005
+++ configure.in	Thu May  6 02:55:49 2010
@@ -11,6 +11,7 @@ AC_CHECK_PROGS(RPMBUILD, rpmbuild, rpm)
 dnl Checks for libraries.
 AC_CHECK_LIB(m, main)
 AC_CHECK_LIB(pthread, main)
+AC_CHECK_LIB(sndio, sio_open)
 AC_DEFINE(USE_PTHREAD, 1)
 
 if test "${ac_cv_c_compiler_gnu}" = "yes"; then