anchor.diff:  
   RUN apt-get -qy update && apt-get -qy install \
           cmake ninja-build build-essential gdb \
  +        clang-3.6 clang++-3.6 libc++-dev \
           steamrt-dev \
           libqt5network5 \
           wget git lsb-release \
  
positive.code: VOLUME ["${PROJECT_VOLUME}", "${BUILD_VOLUME}", "${BUILD_VOLUME}/out"]
  
  WORKDIR ${BUILD_VOLUME}
  CMD ["sh","-c","/usr/bin/cmake -C${PRELOAD_FILE} -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} ${PROJECT_VOLUME} -GNinja && cmake --build . --target install"]
  
negative.code: 
  ENV PROJECT_VOLUME "/home/${USER}/project"
  ENV BUILD_VOLUME "/home/${USER}/build"
  
  # We need newer CMake, 3.1+
  RUN apt-get -qy update && apt-get -qy install software-properties-common
  