diff -rup boost_1_42_0.orig/boost/visit_each.hpp boost_1_42_0/boost/visit_each.hpp
--- boost_1_42_0.orig/boost/visit_each.hpp	2010-04-03 00:03:31.834604103 +0200
+++ boost_1_42_0/boost/visit_each.hpp	2010-04-03 00:57:04.831601617 +0200
@@ -22,7 +22,7 @@ namespace boost {
   template<typename Visitor, typename T>
   inline void visit_each(Visitor& visitor, const T& t)
   {
-    visit_each(visitor, t, 0);
+    visit_each(visitor, t, (long)0);
   }
 }