http://llvm.org/releases/8.0.0/llvm-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/cfe-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/clang-tools-extra-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/compiler-rt-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/lldb-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/openmp-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/libcxx-8.0.0.src.tar.xz
http://llvm.org/releases/8.0.0/libcxxabi-8.0.0.src.tar.xz