#deb [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main
#deb-src [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main
#deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main
#deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main
#deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main
#deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main
#deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main
#deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main