1 files changed, 5 insertions, 0 deletions
diff --git a/src/engine/SCons/Util.py b/src/engine/SCons/Util.py
index 5636a90..323f5ff 100644
--- a/src/engine/SCons/Util.py
+++ b/src/engine/SCons/Util.py
@@ -1011,6 +1011,11 @@ class Proxy:
         """Retrieve the entire wrapped object"""
         return self.__subject
 
+    def __cmp__(self, other):
+        if issubclass(other.__class__, self.__subject.__class__):
+            return cmp(self.__subject, other)
+        return cmp(self.__dict__, other.__dict__)
+
 # attempt to load the windows registry module:
 can_read_reg = 0
 try: