$NetBSD: patch-ai,v 1.3 2007/02/15 18:26:15 joerg Exp $

--- src/IV-X11/xwindow.c.orig	2007-02-15 15:44:36.000000000 +0000
+++ src/IV-X11/xwindow.c
@@ -62,7 +62,7 @@
 #include <stropts.h>
 #include <sys/conf.h>
 #endif
-#if !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__APPLE__)
+#if !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__APPLE__) && !defined(__DragonFly__)
 #if !defined(__linux__) && !defined(__CYGWIN__)
 /* no standard place for this */
 extern "C" {