$OpenBSD: patch-src_osd_sdl_sdl_mak,v 1.1.1.1 2009/03/17 19:58:21 landry Exp $
--- src/osd/sdl/sdl.mak.orig	Fri Jan  2 21:59:12 2009
+++ src/osd/sdl/sdl.mak	Sun Jan 11 13:12:01 2009
@@ -130,6 +130,11 @@ TARGETOS = unix
 DEFS += -DNO_THREAD_COOPERATIVE -DNO_DEBUGGER
 endif
 
+ifeq ($(TARGETOS),openbsd)
+TARGETOS = unix
+DEFS += -DNO_THREAD_COOPERATIVE
+endif
+
 ifeq ($(TARGETOS),unix)
 DEFS += -DSDLMAME_UNIX
 ifndef NO_X11
