id summary reporter owner description type status milestone component version severity resolution keywords cc 2790 Executable bit is lost on windows builds. Daniel James Beman Dawes The windows releases of boost don't have the executable bit set for scripts, so they can't be run if extracted on file systems which support the unix permissions (e.g. for OS X and linux). I think it would be retained if built on such a system. Feature Requests new To Be Determined Building Boost Boost 1.45.0 Problem