Copying Jamroot probably won't work very well. Try creating a Jamroot that contains just
use-project /boost : "C:/Users/JLL/Documents/Visual Studio 2008/Projects/boost_1_40_0" ;
One step back ;-) C:\Users\JLL\Documents\Visual Studio 2008\Projects\rdb.hg\libs\rdb\build\Jamfile.v2:28: in modules.load rule boost-install unknown in module Jamfile</C:/Users/JLL/Documents/Visual Studio 2008/Projects/rdb.hg/libs/rdb/build>. C:/Users/JLL/Documents/Visual Studio 2008/Projects/boost_1_40_0/tools/build/v2/build\project.jam:313: in load-jamfile C:/Users/JLL/Documents/Visual Studio 2008/Projects/boost_1_40_0/tools/build/v2/build\project.jam:62: in load C:/Users/JLL/Documents/Visual Studio 2008/Projects/boost_1_40_0/tools/build/v2/build\project.jam:168: in project.find Thanks you two for helping, J-L