--- boost_1_34_0/libs/mpl/test/Jamfile.v2.orig	2007-05-31 23:07:11.196210069 -0400
+++ boost_1_34_0/libs/mpl/test/Jamfile.v2	2007-05-31 23:08:46.644209872 -0400
@@ -42,7 +42,7 @@
 compile insert.cpp ;
 compile insert_range.cpp ;
 run int.cpp ;
-run integral_c.cpp ;
+run integral_c.cpp : : : <toolset>vacpp:<cxxflags>-qchars=signed ;
 compile is_placeholder.cpp ;
 compile is_sequence.cpp ;
 compile iterator_tags.cpp ;