1deb [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main 2deb-src [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main 3deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main 4deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main 5deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main 6deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main 7deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main 8deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main 9