$OpenBSD: patch-source_Irrlicht_os_cpp,v 1.3 2015/05/01 16:00:44 ajacoutot Exp $
--- source/Irrlicht/os.cpp.orig	Fri Nov  9 00:27:39 2012
+++ source/Irrlicht/os.cpp	Fri Nov  9 00:27:41 2012
@@ -22,10 +22,14 @@
 	#include <libkern/OSByteOrder.h>
 	#define bswap_16(X) OSReadSwapInt16(&X,0)
 	#define bswap_32(X) OSReadSwapInt32(&X,0)
-#elif defined(__FreeBSD__) || defined(__OpenBSD__)
+#elif defined(__FreeBSD__)
 	#include <sys/endian.h>
 	#define bswap_16(X) bswap16(X)
 	#define bswap_32(X) bswap32(X)
+#elif defined(__OpenBSD__)
+	#include <endian.h>
+	#define bswap_16(x) letoh16(x)
+	#define bswap_32(x) letoh32(x)
 #elif !defined(_IRR_SOLARIS_PLATFORM_) && !defined(__PPC__) && !defined(_IRR_WINDOWS_API_)
 	#include <byteswap.h>
 #else