$NetBSD: patch-da,v 1.1 2007/02/05 23:08:36 joerg Exp $

--- Xext/shm.c.orig	2007-02-05 20:58:14.000000000 +0000
+++ Xext/shm.c
@@ -156,7 +156,7 @@ static ShmFuncs fbFuncs = {fbShmCreatePi
 }
 
 
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) || defined(__DragonFly__)
 #include <sys/signal.h>
 
 static Bool badSysCall = FALSE;
