--- boost/thread/tss.hpp.orig	2014-05-20 15:06:17.094088000 -0400
+++ boost/thread/tss.hpp	2014-07-14 20:44:51.442011993 -0400
@@ -87,7 +87,7 @@ namespace boost
         {
             return get();
         }
-        T& operator*() const
+        typename boost::detail::sp_dereference< T >::type operator*() const
         {
             return *get();
         }