message: Don't set the compiler either
diff: @@ -18,14 +18,16 @@ jobs:
  runs-on: macos-latest
  env:
  - CC: ccache gcc-10
  - CXX: ccache g++-10
  TREAT_WARNINGS_AS_ERRORS: 1
  steps:
  - uses: actions/checkout@v2
  with:
  - ref: ${{ github.event.workflow_run.head_branch }}
  + fetch-depth: 0
  +
  + - uses: actions/setup-python@v2
  + with:
  + python-version: '3.7'
  - name: Build
  run: make debug
  