diff -Naur org/boost/variant/variant.hpp mod/boost/variant/variant.hpp
--- org/boost/variant/variant.hpp	2013-03-24 17:18:12.000000000 +0100
+++ mod/boost/variant/variant.hpp	2013-07-02 14:27:16.705657078 +0200
@@ -1930,7 +1930,7 @@
     
     friend class assigner;
    
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+#if 0 // ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
     // class move_assigner
     //
     // Internal visitor that "move assigns" the visited value to the given variant
@@ -2092,7 +2092,7 @@
         }
     }
 
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+#if 0 // ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
     void variant_assign(variant&& rhs)
     {
         // If the contained types are EXACTLY the same...