From: Stefan Behnel <scoder@users.berlios.de>
Date: Mon, 30 Aug 2010 10:23:35 +0000 (+0200)
Subject: safety fix
X-Git-Tag: 0.14.alpha0~354
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e710b94aa7608d12cc2d81b27342dae34f69d2ca;p=cython.git

safety fix
---

diff --git a/Cython/Distutils/build_ext.py b/Cython/Distutils/build_ext.py
index bda917fc..397f0972 100644
--- a/Cython/Distutils/build_ext.py
+++ b/Cython/Distutils/build_ext.py
@@ -193,7 +193,7 @@ class build_ext(_build_ext.build_ext):
 
         for source in pyrex_sources:
             target = pyrex_targets[source]
-            depends = [source] + extension.depends
+            depends = [source] + list(extension.depends or ())
             rebuild = self.force or newer_group(depends, target, 'newer')
             if not rebuild and newest_dependency is not None:
                 rebuild = newer(newest_dependency, target)