From 63cc2150a0fb5f9d6fa2ef53cd3be69f3c03aa05 Mon Sep 17 00:00:00 2001
From: "Gustavo J. A. M. Carneiro" <gjc@inescporto.pt>
Date: Wed, 1 Aug 2007 18:34:23 +0100
Subject: [PATCH] WAF: when changing environment (e.g. LD_LIBRARY_PATH for
 --run and --shell), make the new paths take precedence over the old ones.

---
 wscript | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wscript b/wscript
index 35c17074a..aec595298 100644
--- a/wscript
+++ b/wscript
@@ -215,7 +215,7 @@ def _run_argv(argv):
     os_env = dict(os.environ)
     if pathvar is not None:
         if pathvar in os_env:
-            os_env[pathvar] = pathsep.join([os_env[pathvar]] + list(env['NS3_MODULE_PATH']))
+            os_env[pathvar] = pathsep.join(list(env['NS3_MODULE_PATH']) + [os_env[pathvar]])
         else:
             os_env[pathvar] = pathsep.join(list(env['NS3_MODULE_PATH']))