--- a/wutils.py	Sat Apr 14 18:11:17 2012 -0700
+++ b/wutils.py	Tue Apr 17 11:26:31 2012 +0100
@@ -58,7 +58,7 @@
 
         ## filter out programs not in the subtree starting at the launch dir
         if not (obj.path.abspath().startswith(launch_dir)
-                or obj.path.abspath(env).startswith(launch_dir)):
+                or obj.path.get_bld().abspath().startswith(launch_dir)):
             continue
         
         name1 = obj.name