--- include/boost/polygon/polygon.hpp.orig	2012-04-09 13:07:03.293907598 -0500
+++ include/boost/polygon/polygon.hpp	2012-04-09 13:07:43.759923812 -0500
@@ -24,6 +24,8 @@
 #include "transform.hpp"
 #include "detail/transform_detail.hpp"
 
+#include "detail/polygon_sort_adaptor.hpp"
+
 //interval
 #include "interval_data.hpp"
 #include "interval_traits.hpp"