id summary reporter owner description type status milestone component version severity resolution keywords cc 13342 Support out-of-tree builds tdhutt@… "Currently when you run `./boostrap.sh` it builds b2 in the source tree. There doesn't seem to be any way to change this. If possible it would be nice to support fully out-of-source trees so that you can do a build without modifying the source tree at all. One way to do this would be to switch from b2 to CMake (two birds etc)." Bugs new To Be Determined Building Boost Boost 1.63.0 Problem