yaml-cpp/.github/workflows/build.yml

name: Github PR
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
  workflow_dispatch:
jobs:
  build:
      strategy:
        matrix:
          os: [ubuntu-latest, windows-latest, macos-latest]
          build: [static, shared]
          generator: ["Default Generator", "MinGW Makefiles"]
          exclude:
          - os: macos-latest
            build: shared
          - os: macos-latest
            generator: "MinGW Makefiles"
          - os: ubuntu-latest
            generator: "MinGW Makefiles"
      env:
        YAML_BUILD_SHARED_LIBS: ${{ matrix.build == 'shared' && 'ON' || 'OFF' }}
        CMAKE_GENERATOR: >-
          ${{format(matrix.generator != 'Default Generator' && '-G "{0}"' || '', matrix.generator)}}
      runs-on: ${{ matrix.os }}
      steps:
        - uses: actions/checkout@v2

        - name: Get number of CPU cores
          uses: SimenB/github-actions-cpu-cores@v1

        - name: Build
          shell: bash
          run: |
            cmake ${{ env.CMAKE_GENERATOR }} -S "${{ github.workspace }}" -B build -DYAML_BUILD_SHARED_LIBS=${{ env.YAML_BUILD_SHARED_LIBS }}
            cd build && cmake --build . --parallel ${{ steps.cpu-cores.outputs.count }}

        - name: Test
          shell: bash
          run: cd build && ctest --output-on-failure