Cause buildtools to raise a DeprecationWarning.
diff --git a/Misc/NEWS b/Misc/NEWS
index 740602b..068bf71 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -909,6 +909,8 @@
 Mac
 ---
 
+- buildtools now raises a DeprecationWarning.
+
 - Removed the macfs module.  It had been deprecated since Python 2.5.  This
   lead to the deprecation of macostools.touched() as it relied solely on macfs
   and was a no-op under OS X.