Index: libs/system/build/Jamfile.v2
===================================================================
--- libs/system/build/Jamfile.v2	(revision 48738)
+++ libs/system/build/Jamfile.v2	(working copy)
@@ -9,6 +9,8 @@
 
 project boost/system
     : source-location ../src
+    : requirements
+      <toolset>msvc,<address-model>64:<cxxflags>-wd4103
     : usage-requirements  # pass these requirement to dependents (i.e. users)
       <link>shared:<define>BOOST_SYSTEM_DYN_LINK=1
       <link>static:<define>BOOST_SYSTEM_STATIC_LINK=1