Fair warning: I'm planning to tag Boost.Build v1 in CVS as BOOST_BUILD_V1 so you can retrieve it, and then remove it from the CVS HEAD. If you need Boost.Build v1, you'll be able to get back to the current state as follows, from the Boost root directory cvs up -rBOOST_BUILD_V1 boost-build.jam tools/build/v1 -- Dave Abrahams Boost Consulting www.boost-consulting.com