1deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu zesty main 2deb-src http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu zesty main 3deb http://apt.llvm.org/zesty/ llvm-toolchain-zesty main 4deb-src http://apt.llvm.org/zesty/ llvm-toolchain-zesty main 5deb http://apt.llvm.org/zesty/ llvm-toolchain-zesty-3.9 main 6deb-src http://apt.llvm.org/zesty/ llvm-toolchain-zesty-3.9 main 7deb http://apt.llvm.org/zesty/ llvm-toolchain-zesty-4.0 main 8deb-src http://apt.llvm.org/zesty/ llvm-toolchain-zesty-4.0 main 9