Add warnings to and deprecated all those Mac modules
diff --git a/Lib/plat-mac/gensuitemodule.py b/Lib/plat-mac/gensuitemodule.py
index 033bf9e..c92d1eb 100644
--- a/Lib/plat-mac/gensuitemodule.py
+++ b/Lib/plat-mac/gensuitemodule.py
@@ -6,6 +6,9 @@
 Reading and understanding this code is left as an exercise to the reader.
 """
 
+from warnings import warnpy3k
+warnpy3k("In 3.x, the gensuitemodule module is removed.")
+
 import MacOS
 import EasyDialogs
 import os