--- boost_1_48_0/project-config.jam	2012-01-05 22:25:47.000000000 +0100
+++ project-config.jam	2012-01-05 22:14:39.000000000 +0100
@@ -7,10 +7,8 @@
 # Compiler configuration. This definition will be used unless
 # you already have defined some toolsets in your user-config.jam
 # file.
-if ! gcc in [ feature.values <toolset> ]
-{
-    using gcc ; 
-}
+using gcc : w32 : i686-w64-mingw32-g++ ;
+using gcc : w64 : x86_64-w64-mingw32-g++ ;
 
 project : default-build <toolset>gcc ;