Forgot to mention boost-build.jam
#boost-build source/3rdParty/Win32/boost/boost_1_38_0/tools/build/v2 ;
boost-build source/3rdParty/Win32/boost/boost_1_36_0/tools/build/v2 ;
#boost-build source/3rdParty/Win32/boost/boost_1_34_0/tools/build/v2 ;
swapping as necessary