language: c
os:
  - linux
  - osx
install:
  - |-
    ( cd
        git clone -b v0.4.0 --depth=1 https://github.com/rednex/rgbds
        sudo make -C rgbds install
        rm -rf rgbds
    )
before_script:
  - |-
    function check_status() {
      if ! git diff-index --quiet --ignore-submodules=all HEAD --; then
        echo 'Uncommitted changes detected:';
        git diff-index HEAD --;
        return 1;
      fi;
    }
script:
  - make -j2 compare
  - check_status