--- extensions/source/plugin/unx/makefile.mk.orig.port	Thu Oct 21 13:36:23 2010
+++ extensions/source/plugin/unx/makefile.mk	Sat Oct 23 18:40:06 2010
@@ -78,7 +78,7 @@ APP1STDLIBS+=-lXm -lXt $(X11LINK_DYNAMIC) -ldl
 .IF "$(DISABLE_XAW)" != "TRUE"
 APP1STDLIBS+=-lXaw 
 .ENDIF
-.IF "$(OS)"=="FREEBSD" || "$(OS)"=="NETBSD"
+.IF "$(OS)"=="FREEBSD" || "$(OS)"=="NETBSD" || "$(OS)"=="OPENBSD"
 APP1STDLIBS+= -lXt -lXext -lX11
 .ELSE
 APP1STDLIBS+= -lXt $(X11LINK_DYNAMIC) -ldl
