Hi! clang/experimental can't be built because it depends on llvm-3.1-dev >= 3.1 while experimentals ist 3.1~something sure you didn't want a 3.1~ there? Regards Christoph -- 9FED 5C6C E206 B70A 5857 70CA 9655 22B9 D49A E731 Debian Developer | Lisp Hacker | CaCert Assurer