http://llvm.org/releases/6.0.0/llvm-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/cfe-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/clang-tools-extra-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/compiler-rt-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/lldb-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/openmp-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/libcxx-6.0.0.src.tar.xz
http://llvm.org/releases/6.0.0/libcxxabi-6.0.0.src.tar.xz