Hi, I'm trying to generate the Boost.Test trunk docs and I'm getting cd libs/test/doc pc6:doc viboes$ bjam warning: mismatched versions of Boost.Build engine and core warning: Boost.Build engine (bjam) is 2011.04.00 warning: Boost.Build core (at /Users/viboes/boost/trunk/tools/build/v2) is 2011.12-svn /Users/viboes/boost/trunk/tools/build/v2/util/path.jam:516: in make-UNIX from module path error: Empty path passed to 'make-UNIX' /Users/viboes/boost/trunk/tools/build/v2/util/path.jam:41: in path.make from module path /Users/viboes/boost/trunk/libs/test/doc/utf-boostbook.jam:20: in load from module utf-boostbook /Users/viboes/boost/trunk/tools/build/v2/kernel/modules.jam:289: in import from module modules /Users/viboes/boost/trunk/tools/build/v2/build/toolset.jam:39: in toolset.using from module toolset /Users/viboes/boost/trunk/tools/build/v2/build/project.jam:995: in using from module project-rules Jamfile.v2:12: in modules.load from module Jamfile</Users/viboes/boost/trunk/libs/test/doc> /Users/viboes/boost/trunk/tools/build/v2/build/project.jam:311: in load-jamfile from module project /Users/viboes/boost/trunk/tools/build/v2/build/project.jam:64: in load from module project /Users/viboes/boost/trunk/tools/build/v2/build/project.jam:145: in project.find from module project /Users/viboes/boost/trunk/tools/build/v2/build-system.jam:552: in load from module build-system /Users/viboes/boost/trunk/tools/build/v2/kernel/modules.jam:289: in import from module modules /Users/viboes/boost/trunk/tools/build/v2/kernel/bootstrap.jam:139: in boost-build from module /Users/viboes/boost/trunk/boost-build.jam:17: in module scope from module Do other shares the same error? Do we need a specific version of bjam? Best, Vicente