diff -r c17e29454447 Lib/ctypes/util.py
--- a/Lib/ctypes/util.py	Thu Apr 30 17:37:11 2015 -0400
+++ b/Lib/ctypes/util.py	Wed Apr 29 15:33:12 2015 +0200
@@ -191,6 +191,7 @@
             else:
                 cmd = 'env LC_ALL=C /usr/bin/crle 2>/dev/null'
 
+            path = None
             for line in os.popen(cmd).readlines():
                 line = line.strip()
                 if line.startswith('Default Library Path (ELF):'):