Add a note about configure file problems as raised on python-dev by Zack

Weinberg.

pep-0042.txt

@@ -312,6 +312,12 @@ Building and Installing
 
       http://www.python.org/sf/219221
 
+    - The configure script has probably grown a bit crufty with age and may
+      not track autoconf's more recent features very well.  It should be
+      looked at and possibly cleaned up.
+
+      http://mail.python.org/pipermail/python-dev/2004-January/041790.html
+
 
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