RUN apt-get update && apt-get -y install wget
RUN echo "deb http://llvm.org/apt/jessie/ llvm-toolchain-jessie-3.8 main" >> /etc/apt/sources.list
RUN echo "deb-src http://llvm.org/apt/jessie/ llvm-toolchain-jessie-3.8 main" >> /etc/apt/sources.list
RUN wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key | apt-key add -
RUN apt-get update && apt-get -y install clang-format-3.8