$NetBSD$

--- src/ptlib/common/pvidchan.cxx.orig	2006-01-08 03:18:06.000000000 +0000
+++ src/ptlib/common/pvidchan.cxx
@@ -123,7 +123,7 @@ PStringList PVideoChannel::GetDeviceName
 
 PString PVideoChannel::GetDefaultDevice(Directions /*dir*/)
 {
-#if defined(P_FREEBSD) || defined(P_OPENBSD)  || defined(P_NETBSD)
+#if defined(P_FREEBSD) || defined(P_OPENBSD)  || defined(P_NETBSD) || defined(P_DRAGONFLY)
   return "/dev/bktr0";
 #endif
 
