--- ./boost/config/compiler/clang.hpp.orig	2010-10-01 11:19:44.000000000 +0200
+++ ./boost/config/compiler/clang.hpp	2012-02-29 15:20:25.157457434 +0100
@@ -60,4 +60,4 @@
 
 // Macro used to identify the Clang compiler.
 #define BOOST_CLANG 1
-
+#define BOOST_HAS_LONG_LONG 1
