build_cpp.yml

name: C++

on:
  push:
    branches:
    - master
    paths:
    - ".github/workflows/build_cpp.yml"
    - "**.cpp"
    - "**.h"
    - "**.c"
    - "**.cu"
    - "**.cmake"
    - "**CMakeLists.txt"
  pull_request:
    branches:
    - master
    paths:
    - ".github/workflows/build_cpp.yml"
    - "**.cpp"
    - "**.h"
    - "**.c"
    - "**.cu"
    - "**.cmake"
    - "**CMakeLists.txt"

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

jobs:
  ubuntu-latest-gcc-default-cmake-3-17-ffmpeg5:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        sudo apt update
        sudo apt install libwebp-dev make yasm
        
    - name: Cache cmake 3.17.0
      uses: actions/cache@v3
      id: cache-cmake-download
      with:
        # cache this folder:
        path: ~/cmake-3.17.0-Linux-x86_64
        key: cmake-3.17.0_try1
        
    - run: |
        # Get the minimum version of cmake dlib supports
        wget https://cmake.org/files/v3.17/cmake-3.17.0-Linux-x86_64.tar.gz
        tar -xf cmake-3.17.0-Linux-x86_64.tar.gz -C ~
      if: steps.cache-cmake-download.outputs.cache-hit != 'true'

    - name: Cache FFmpeg 5
      uses: actions/cache@v3
      id: cache-ffmpeg5
      with:
        path: /home/runner/ffmpeg-n5.1.3_installation
        key: ffmpeg-n5.1.3_try4
        
    - name: Build FFmpeg 5
      if: steps.cache-ffmpeg5.outputs.cache-hit != 'true'
      run: |
        wget https://github.com/FFmpeg/FFmpeg/archive/refs/tags/n5.1.3.tar.gz
        tar -xf n5.1.3.tar.gz
        cd FFmpeg-n5.1.3
        ./configure --prefix=/home/runner/ffmpeg-n5.1.3_installation --disable-doc --disable-programs
        make -j4
        make install
        cd ..
        
    - name: Configure tests
      run: ~/cmake-3.17.0-Linux-x86_64/bin/cmake ${{ github.workspace }}/dlib/test -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/home/runner/ffmpeg-n5.1.3_installation
    
    - name: Build tests
      run: ~/cmake-3.17.0-Linux-x86_64/bin/cmake --build build --parallel 4
        
    - name: Run tests
      run: build/dtest --runall -q

    - name: Configure examples
      run: ~/cmake-3.17.0-Linux-x86_64/bin/cmake ${{ github.workspace }}/examples -B build2 -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/home/runner/ffmpeg-n5.1.3_installation

    - name: Build examples
      run: ~/cmake-3.17.0-Linux-x86_64/bin/cmake --build build2 --parallel 4

  ubuntu-latest-gcc-11-blas:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Install dependencies
      run: |
        sudo apt update
        sudo apt install libwebp-dev libavformat-dev libavcodec-dev libavdevice-dev libavfilter-dev libswresample-dev libswscale-dev libavutil-dev 
        sudo apt install libopenblas-dev liblapack-dev
    - name: Install gcc 11
      run: |
        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 tests
      run: cmake ${{ github.workspace }}/dlib/test -B build -DCMAKE_BUILD_TYPE=Release
    
    - name: Build tests (including BLAS tests)
      run: cmake --build build --parallel 4
    
    - name: Test
      run: build/dtest --runall -q

    - name: Configure examples
      run: cmake ${{ github.workspace }}/examples -B build2 -DCMAKE_BUILD_TYPE=Release

    - name: Build examples
      run: cmake --build build2 --parallel 4

  ubuntu-latest-ffmpeg-mkl:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Install dependencies
      run: |
        wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB | gpg --dearmor | sudo tee /usr/share/keyrings/oneapi-archive-keyring.gpg > /dev/null
        echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
        sudo apt update
        sudo apt install libwebp-dev libavformat-dev libavcodec-dev libavdevice-dev libavfilter-dev libswresample-dev libswscale-dev libavutil-dev 
        sudo apt install intel-oneapi-mkl-devel

    - name: Configure tests with MKL sequential
      run: cmake . -B build -DCMAKE_BUILD_TYPE=Release -DDLIB_USE_MKL_SEQUENTIAL=ON -DDLIB_USE_MKL_WITH_TBB=OFF
    
    - name: Build tests with MKL sequential
      run: cmake --build build --target dtest --parallel 4
    
    - name: Test with MKL sequential
      run: build/dtest --runall -q

    - name: Configure tests with MKL tbb
      run: cmake . -B build2 -DCMAKE_BUILD_TYPE=Release -DDLIB_USE_MKL_SEQUENTIAL=OFF -DDLIB_USE_MKL_WITH_TBB=ON
    
    - name: Build tests with MKL tbb
      run: cmake --build build2 --target dtest --parallel 4
    
    - name: Test with MKL tbb
      run: build2/dtest --runall -q

  ubuntu-20_04-gcc-7:
    runs-on: 'ubuntu-20.04'
    steps:
    - uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        sudo apt update
        sudo apt install libwebp-dev make yasm

    - name: Install gcc 7
      run: |
        sudo apt install gcc-7 g++-7

    - name: Cache FFmpeg 3.2.18
      uses: actions/cache@v3
      id: cache-ffmpeg3
      with:
        path: /home/runner/ffmpeg-n3.2.18_installation
        key: ffmpeg-n3.2.18_try1
        
    - name: Build FFmpeg 3.2.18
      if: steps.cache-ffmpeg3.outputs.cache-hit != 'true'
      run: |
        wget https://github.com/FFmpeg/FFmpeg/archive/refs/tags/n3.2.18.tar.gz
        tar -xf n3.2.18.tar.gz
        cd FFmpeg-n3.2.18
        ./configure --prefix=/home/runner/ffmpeg-n3.2.18_installation --disable-doc --disable-programs
        make -j4
        make install
        cd ..

    - name: Configure tests
      run: |
        export CC=/usr/bin/gcc-7
        export CXX=/usr/bin/g++-7
        cmake ${{ github.workspace }}/dlib/test -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/home/runner/ffmpeg-n3.2.18_installation

    - name: Build tests
      run: cmake --build build --parallel 4

    - name: Test
      run: build/dtest --runall -q
    
    - name: Configure examples
      run: cmake ${{ github.workspace }}/examples -B build2 -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/home/runner/ffmpeg-n3.2.18_installation

    - name: Build examples
      run: cmake --build build2 --parallel 4

    # Test cmake scrips can build standalone dlib as a shared library
    - name: Configure dlib as shared library  
      run: cmake ${{ github.workspace }}/dlib -B build_dlib_shared -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=1 -DCMAKE_PREFIX_PATH=/home/runner/ffmpeg-n3.2.18_installation

    - name: Build dlib as shared library
      run: cmake --build build_dlib_shared --parallel 4

  ubuntu-latest-clang-default-avx:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Install dependencies
      run: |
        sudo apt update
        sudo apt install libwebp-dev libavformat-dev libavcodec-dev libavdevice-dev libavfilter-dev libswresample-dev libswscale-dev libavutil-dev 
    - name: Configure test
      run: |
        export CC=/usr/bin/clang
        export CXX=/usr/bin/clang++
        cmake ${{ github.workspace }}/dlib/test -B build -DCMAKE_BUILD_TYPE=Release -DDLIB_USE_AVX=ON
    
    - name: Build tests
      run: cmake --build build  --parallel 4

    - name: Configure examples
      run: cmake ${{ github.workspace }}/examples -B build2 -DCMAKE_BUILD_TYPE=Release -DDLIB_USE_AVX=ON

    - name: Build examples
      run: cmake --build build2 --parallel 4

    - name: Test
      run: build/dtest --runall -q

  ubuntu-latest-intalled_dlib:
    runs-on: 'ubuntu-latest'
    steps:
    - uses: actions/checkout@v2

    - name: Configure library
      run: cmake ${{ github.workspace }}/dlib -B build

    - name: Build library
      run: cmake --build build --parallel 4

    - name: Install library
      run: cmake --install build --prefix /home/runner/dlib_installation

    - name: Configure example using find_package
      run: cmake ${{ github.workspace }}/tools/test -B build2 -DCMAKE_PREFIX_PATH=/home/runner/dlib_installation

    - name: Build example
      run: cmake --build build2

    - name: Run example
      run: build2/assignment_learning_ex 

    - name: Configure example using pkg-config
      run: cmake ${{ github.workspace }}/tools/test_pkgconfig -B build3 -DCMAKE_PREFIX_PATH=/home/runner/dlib_installation

    - name: Build example
      run: cmake --build build3

    - name: Run example
      run: build3/assignment_learning_ex 

  windows-latest:
    runs-on: 'windows-latest'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      run: |
        # don't use CMake 3.25.0 https://gitlab.kitware.com/cmake/cmake/-/issues/23975
        pip3 install cmake==3.24.0
        cmake . -B build

    - name: Build just tests
      run: cmake --build build --config Release --target dtest --parallel 4

    - name: Test
      run: build/Release/dtest.exe --runall -q

    - name: Build ancillary tools
      run: |
        cmake ../../tools/imglab -B build_imglab 
        cmake --build build_imglab --config Release --parallel 4
        cmake ../../tools/htmlify -B build_htmlify
        cmake --build build_htmlify --config Release --parallel 4
        cmake ../../tools/convert_dlib_nets_to_caffe -B build_dtoc
        cmake --build build_dtoc --config Release --parallel 4

  windows-2019:
    runs-on: 'windows-2019'
    steps:
    - uses: actions/checkout@v2
    - name: Configure
      run: |
        # don't use CMake 3.25.0 https://gitlab.kitware.com/cmake/cmake/-/issues/23975
        pip3 install cmake==3.24.0
        cmake . -B build
        
    - name: Build just tests
      run: cmake --build build --config Debug --parallel 4

    - name: Build ancillary tools
      run: |
        cmake ../../tools/imglab -B build_imglab 
        cmake --build build_imglab --config Release --parallel 4
        cmake ../../tools/htmlify -B build_htmlify
        cmake --build build_htmlify --config Release --parallel 4
        cmake ../../tools/convert_dlib_nets_to_caffe -B build_dtoc
        cmake --build build_dtoc --config Release --parallel 4
  
  # Disable this because macos targets aren't working on github actions right now.
  #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 build -DDLIB_USE_BLAS=0 -DDLIB_USE_LAPACK=0
  #  - name: Build just tests
  #    run: cmake --build build --config Release --target dtest --parallel 4
  #  - name: Test
  #    run: build/dtest --runall --no_test_timer -q
  #  - name: Build examples, etc
  #    run: cmake --build build --config Release --parallel 2