Hi Luc, this would be a great thing to have, could you write more about your plans? I guess you'll wrap the existing scons-based build system rather than starting from scratch? How are you going to implement "setup.py install"? We considered adding setup.py here, but I thought it's not worth the effort and it won't work well anyway. I'd like to be proved wrong. My thinking was that - redoing everything without scons is a lot of effort for little benefit, and it would quickly get out-of-sync with the main build system if it's not actively maintained - wrapping cctbx/scons build system won't work well because distutils options won't map well to the scons options. And additional layer of indirection would be confusing. I mean distutils-like system that doesn't really work like distutils could be more frustrating than having to explicitly use cctbx build commands. But maybe I'm wrong here. Marcin