$NetBSD: patch-ad,v 1.3 2005/11/18 06:23:09 reed Exp $

--- boost/boost/config/select_platform_config.hpp.orig	2005-08-23 23:29:40.000000000 -0700
+++ boost/boost/config/select_platform_config.hpp	2005-08-23 22:29:53.000000000 -0700
@@ -16,7 +16,7 @@
 // linux:
 #  define BOOST_PLATFORM_CONFIG "boost/config/platform/linux.hpp"
 
-#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
 // BSD:
 #  define BOOST_PLATFORM_CONFIG "boost/config/platform/bsd.hpp"