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