$NetBSD: patch-at,v 1.1 2006/01/08 04:57:55 joerg Exp $

--- src/ptlib/unix/pipechan.cxx.orig	2006-07-14 15:16:14.000000000 +0930
+++ src/ptlib/unix/pipechan.cxx	2007-09-01 13:55:41.000000000 +0930
@@ -307,7 +307,7 @@
 
   // Set up new environment if one specified.
   if (environment != NULL) {
-#if defined(P_SOLARIS) || defined(P_FREEBSD) || defined(P_OPENBSD) || defined (P_NETBSD) || defined(__BEOS__) || defined(P_MACOSX) || defined(P_MACOS) || defined (P_AIX) || defined(P_IRIX) || defined(P_QNX)
+#if defined(P_SOLARIS) || defined(P_FREEBSD) || defined(P_OPENBSD) || defined (P_NETBSD) || defined(__BEOS__) || defined(P_MACOSX) || defined(P_MACOS) || defined (P_AIX) || defined(P_IRIX) || defined(P_QNX) || defined(P_DRAGONFLY)
     extern char ** environ;
 #  if defined(P_MACOSX)
 #    define environ (*_NSGetEnviron())
