$OpenBSD: patch-spice_macros_h,v 1.1 2016/03/09 11:58:29 jasper Exp $
--- spice/macros.h.orig	Thu Mar 10 15:14:49 2016
+++ spice/macros.h	Wed Mar 16 14:18:03 2016
@@ -381,6 +381,17 @@
 #define SPICE_ENDIAN_BIG    1234
 #define SPICE_ENDIAN_PDP    2143
 
+/* Lets see if we can use a standard header first... */
+#if defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) \
+    && defined(BIG_ENDIAN)
+#  include <machine/endian.h>
+#  if BYTE_ORDER == LITTLE_ENDIAN
+#    define SPICE_ENDIAN SPICE_ENDIAN_LITTLE
+#  elif BYTE_ORDER == BIG_ENDIAN
+#    define SPICE_ENDIAN SPICE_ENDIAN_BIG
+#  endif
+#endif
+
 /* gcc already defined these, use them */
 #if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) \
     && defined(__ORDER_BIG_ENDIAN__) && defined(__ORDER_PDP_ENDIAN__)