name: Config

on:
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - master
      - stable
      - v*

jobs:
  cmake:
    strategy:
      fail-fast: false
      matrix:
        runs-on: [ubuntu-latest, macos-latest]
        arch: [x64]
        cmake: [3.7, 3.18]

        include:
        - runs-on: windows-latest
          arch: x64
          cmake: 3.18

        # TODO: 3.8
        - runs-on: windows-2016
          arch: x86
          cmake: 3.11

        - runs-on: windows-2016
          arch: x86
          cmake: 3.18

    name: 🐍 3.7 • CMake ${{ matrix.cmake }} • ${{ matrix.runs-on }}
    runs-on: ${{ matrix.runs-on }}

    steps:
    - uses: actions/checkout@v2

    - name: Setup Python 3.7
      uses: actions/setup-python@v2
      with:
        python-version: 3.7
        architecture: ${{ matrix.arch }}

    - name: Prepare env
      run: python -m pip install -r tests/requirements.txt

    - name: Setup CMake ${{ matrix.cmake }}
      uses: jwlawson/actions-setup-cmake@v1.3
      with:
        cmake-version: ${{ matrix.cmake }}

    - name: Make build directories
      run: mkdir "build dir"

    - name: Configure
      working-directory: build dir
      shell: bash
      run: >
        cmake ..
        -DPYBIND11_WERROR=ON
        -DDOWNLOAD_CATCH=ON
        -DPYTHON_EXECUTABLE=$(python -c "import sys; print(sys.executable)")