scons: make things work when EXTRAS is not defined.

--HG-- extra : convert_revision : 83562b55ec099e609c64cd42eb47a8481e4e85e7
2007-07-26 22:45:33 -07:00 · 2007-07-26 22:45:33 -07:00 · cda354b070
parent d4e69c006b
commit cda354b070
1 changed files with 2 additions and 0 deletions
--- a/2
+++ b/2
@ -436,6 +436,8 @@ all_cpu_list.sort()
 default_cpus.sort()

 def ExtraPathValidator(key, val, env):
+    if not val:
+        return
    paths = val.split(':')
    for path in paths:
        path = os.path.expanduser(path)