$NetBSD: patch-ae,v 1.1 2005/12/07 17:35:37 joerg Exp $

--- include/rio_internal.h.orig	2005-12-07 17:15:27.000000000 +0000
+++ include/rio_internal.h
@@ -567,7 +567,7 @@ unsigned int crc32_rio (unsigned char *,
 
 #if defined (__FreeBSD__) || defined(__MacOSX__)
 u_int32_t bswap_32(u_int32_t);
-#elif defined (__NetBSD__)
+#elif defined (__NetBSD__) || defined(__DragonFly__)
 #define bswap_32(x) bswap32(x)
 #endif
 
@@ -585,6 +585,9 @@ char *basename(char *x);
 
 #include <machine/endian.h>
 
+#elif defined(__DragonFly__)
+#include <sys/endian.h>
+
 #else
 
 #include <sys/endian.h>