$OpenBSD: patch-src_osdep_byteorder_h,v 1.1 2011/05/21 11:19:24 fgsch Exp $
--- src/osdep/byteorder.h.orig	Fri Jan 22 01:01:28 2010
+++ src/osdep/byteorder.h	Sun May  1 08:21:24 2011
@@ -212,6 +212,19 @@
 		#include <machine/endian.h>
 	#endif
 
+	#ifdef __OpenBSD__
+		#include <machine/endian.h>
+
+		#define __cpu_to_be64(x)	htobe64(x)
+		#define __cpu_to_be32(x)	htobe32(x)
+		#define __be64_to_cpu(x)	betoh64(x)
+		#define __be32_to_cpu(x)	betoh32(x)
+		#define __le32_to_cpu(x)	letoh32(x)
+		#define __le16_to_cpu(x)	letoh16(x)
+
+		#define AIRCRACK_NG_BYTE_ORDER_DEFINED
+	#endif
+
 	// XXX: Is there anything to include on OpenBSD/NetBSD/DragonFlyBSD/...?
 
 
