$OpenBSD: patch-src_sema_c,v 1.2 2008/08/25 15:14:43 jasper Exp $
--- src/sema.c.orig	Sun Dec 28 09:12:38 2003
+++ src/sema.c	Fri Aug 22 20:32:04 2008
@@ -41,7 +41,7 @@ $Id: patch-src_sema_c,v 1.2 2008/08/25 15:14:43 jasper Exp $
 
 #include "sema.h"
 
-#if !(defined(BSD) && (BSD >= 199103))
+#if !(defined(BSD) && (BSD >= 199103)) && !defined(__OpenBSD__)
        #if defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED)
        /* union semun is defined by including <sys/sem.h> */
        #else
