Since I have gotten clang working mostly I have been playing with it for building Haiku. Unfortunately because of the build system it cannot be configured directly with clang. I would like to get to the point where clang can be used as a compiler in configure, unfortunately there are many hurdles. One of these is that we still need gcc's libstdc++ and quite possibly other libs. We also need all the headers from gcc's libs since clang is just a compiler. Other than that clang must be instructed on how to use the system ld and as. I would like some help with these issue's but I don't know who to ask. Thank you for replies. Paul Davey