[Boost-users] How to build libboost_thread-vc90-mt-sgd-1_39.lib

With a complete build of boost (running bjam from the main directory) I cannot find libboost_thread-vc90-mt-sgd-1_39.lib. However the same library is linked automatically when I use the thread library within a program build against the Multi-threaded (/MT) runtime of Visual studio 2008. What should I do? Luca