name: C++ 

on:
  push:
    branches:
    - master
  pull_request:
    branches:
    - master

env:
  config: Release
  build_dir: build

defaults:
  run:
    shell: bash
    working-directory: dlib/test

jobs:
  ubuntu-latest-gcc-default:    
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      run: cmake ${{ github.workspace }}/dlib/test -B ${{ env.build_dir }}
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/dtest --runall -q
    - name: Build examples, etc
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --parallel 2

  ubuntu-latest-gcc-11:
    if: ${{ false }}  # disabled until https://github.com/davisking/dlib/issues/2506 has been resolved
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Install gcc 11
      run: |
        sudo apt update
        sudo apt install gcc-11 g++-11
        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 110 --slave /usr/bin/g++ g++ /usr/bin/g++-11 --slave /usr/bin/gcov gcov /usr/bin/gcov-11
    - name: Configure
      run: cmake ${{ github.workspace }}/dlib/test -B ${{ env.build_dir }}
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/dtest --runall -q
    - name: Build examples, etc
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --parallel 2

  ubuntu-latest-clang-default:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      run: |
        export CC=/usr/bin/clang
        export CXX=/usr/bin/clang++
        cmake ${{ github.workspace }}/dlib/test -B ${{ env.build_dir }}
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/dtest --runall -q
    - name: Build examples, etc
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --parallel 2

  ubuntu-latest-clang-13:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Install clang 13
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        sudo ./llvm.sh 13
    - name: Configure
      run: |
        export CC=/usr/bin/clang-13
        export CXX=/usr/bin/clang++-13
        cmake ${{ github.workspace }}/dlib/test -B ${{ env.build_dir }}
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/dtest --runall -q
    - name: Build examples, etc
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --parallel 2

  windows-latest:
    runs-on: 'windows-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      run: cmake . -B ${{ env.build_dir }}
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/${{ env.config }}/dtest.exe --runall -q

  macos-latest:
    runs-on: 'macos-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      # MacOS machines often come with low quality BLAS libraries installed, so don't use those.
      run: cmake ${{ github.workspace }}/dlib/test -B ${{ env.build_dir }} -DDLIB_USE_BLAS=0 -DDLIB_USE_LAPACK=0
    - name: Build just tests
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --target dtest --parallel 4
    - name: Test
      run: ${{ env.build_dir }}/dtest --runall --no_test_timer -q
    - name: Build examples, etc
      run: cmake --build ${{ env.build_dir }} --config ${{ env.config }} --parallel 2
