$NetBSD: patch-bf,v 1.4 2014/03/25 23:06:07 asau Exp $

--- src/pcm/pcm_softvol.c.orig	2008-10-29 08:42:10.000000000 -0400
+++ src/pcm/pcm_softvol.c
@@ -26,7 +26,9 @@
  *
  */
 
+#if !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__DragonFly__) && !defined(__sun)
 #include <byteswap.h>
+#endif
 #include <math.h>
 #include "pcm_local.h"
 #include "pcm_plugin.h"