--- setup.py.orig	2010-07-25 00:38:17.000000000 +1000
+++ setup.py	2011-05-25 22:47:49.000000000 +1000
@@ -22,7 +22,7 @@
 # Set USE_SYSTEM_LIBXML to True to link to the system version
 # of libxml2 (defaults to False to avoid problems when building
 # on 10.6 and running on an earlier release)
-USE_SYSTEM_LIBXML = False
+USE_SYSTEM_LIBXML = True
 
 if sys.version_info < MIN_PYTHON:
     vstr = '.'.join(map(str, MIN_PYTHON))
