.travis-apt-pin.preferences

Package: clang-3.9
Pin: release o=Ubuntu
Pin-Priority: -1

Package: libclang-common-3.9-dev
Pin: release o=Ubuntu
Pin-Priority: -1

Package: libclang1-3.9
Pin: release o=Ubuntu
Pin-Priority: -1

Package: libllvm3.9v4
Pin: release o=Ubuntu
Pin-Priority: -1