$NetBSD: patch-aa,v 1.5 2006/12/22 21:07:11 joerg Exp $

--- src/network_backends.h.orig	2006-12-22 20:42:35.000000000 +0000
+++ src/network_backends.h
@@ -14,7 +14,7 @@
 # include <sys/uio.h>
 #endif
 
-#if defined HAVE_SYS_UIO_H && defined HAVE_SENDFILE && defined HAVE_WRITEV && defined(__FreeBSD__)
+#if defined HAVE_SYS_UIO_H && defined HAVE_SENDFILE && defined HAVE_WRITEV && (defined(__FreeBSD__) || defined(__DragonFly__))
 # define USE_FREEBSD_SENDFILE
 # include <sys/uio.h>
 #endif