I have produced binaries for llvm and clang, could someone play with them please? http://www.kirilla.com/llvm/llvm-install.zip kirilla kindly hosted the zip file for me. before you go trying to compile GUI apps with this, it wont work out of the box, clang doesn't define ssize_t in stddef.h and there seem to be a few other things wrong. such as it not defining __INTEL__ anyway, please try them