name: CI macOS

on: [pull_request]

jobs:
  build:
    name: ${{ matrix.name }} ${{ matrix.build_type }} ${{ matrix.build_unstable }}
    runs-on: ${{ matrix.os }}

    env:
      CTEST_OUTPUT_ON_FAILURE: ON
      CTEST_PARALLEL_LEVEL: 2
      CMAKE_BUILD_TYPE: ${{ matrix.build_type }}
      GTSAM_BUILD_UNSTABLE: ${{ matrix.build_unstable }}
    strategy:
      fail-fast: false
      matrix:
        # Github Actions requires a single row to be added to the build matrix.
        # See https://help.github.com/en/articles/workflow-syntax-for-github-actions.
        name: [
          macOS-10.15-xcode-11.3.1,
        ]

        build_type: [Debug, Release]
        build_unstable: [ON, OFF]
        include:
          - name: macOS-10.15-xcode-11.3.1
            os: macOS-10.15
            compiler: xcode
            version: "11.3.1"

    steps:
      - name: Checkout
        uses: actions/checkout@master
      - name: Install (macOS)
        if: runner.os == 'macOS'
        run: |
          brew install cmake ninja boost
          if [ "${{ matrix.compiler }}" = "gcc" ]; then
            brew install gcc@${{ matrix.version }}
            echo "::set-env name=CC::gcc-${{ matrix.version }}"
            echo "::set-env name=CXX::g++-${{ matrix.version }}"
          else
            sudo xcode-select -switch /Applications/Xcode_${{ matrix.version }}.app
            echo "::set-env name=CC::clang"
            echo "::set-env name=CXX::clang++"
          fi
      - name: Build (macOS)
        if: runner.os == 'macOS'
        run: |
          bash .travis.sh -t