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