build.yml

name: Build

on: [push, pull_request]

env:
  BUILD_TYPE: Release

defaults:
  run:
    shell: bash

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

    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-13, windows-2022]
        shared_libs: ['ON', 'OFF']
        include:
        - os: ubuntu-22.04
          package_manager: "apt"
          test: "ON"

        - os: macos-13
          package_manager: "brew"
          test: "OFF"

        - os: windows-2022
          package_manager: "vcpkg"
          test: "OFF"

    steps:
    - name: Checkout Pangolin
      uses: actions/checkout@v4
      with:
        submodules: true

    - name: "(vcpkg only) Install Microsoft Visual C++"
      if: ${{ matrix.package_manager == 'vcpkg' }}
      uses: ilammy/msvc-dev-cmd@v1

    - name: "(vcpkg only) Restore any cached ports"
      uses: lukka/run-vcpkg@v11
      if: ${{ matrix.package_manager == 'vcpkg' }}
      with:
        vcpkgDirectory: '${{github.workspace}}/scripts/vcpkg'

    - name: "(vcpkg only) Setup CMake Toolchain file"
      if: ${{ matrix.package_manager == 'vcpkg' }}
      run: |
        export TOOLCHAIN_FILE="${{github.workspace}}/scripts/vcpkg/scripts/buildsystems/vcpkg.cmake"
        echo "${{github.workspace}}/scripts/vcpkg" >> $GITHUB_PATH
        echo "TOOLCHAIN_FILE=$TOOLCHAIN_FILE" >> $GITHUB_ENV

    - name: Install Dependencies
      run: |
        echo "vcpkg location: $(which vcpkg)"
        echo "CMake toolchain file: $TOOLCHAIN_FILE"
        $GITHUB_WORKSPACE/scripts/install_prerequisites.sh -v -u -m ${{matrix.package_manager}} all

    - name: Configure CMake
      run: >
        cmake -G Ninja -B build
        -D CMAKE_BUILD_TYPE=$BUILD_TYPE
        -D CMAKE_TOOLCHAIN_FILE="$TOOLCHAIN_FILE"
        -D BUILD_SHARED_LIBS=${{ matrix.shared_libs }}
        -D BUILD_TESTS=${{ matrix.test }}

    - name: Build
      run: cmake --build build --config $BUILD_TYPE

    - name: Run all tests
      if: ${{ matrix.test == 'ON' }}
      run: |
        cmake --build build --target test

  emscripten:
    runs-on: ubuntu-22.04

    steps:
    - name: Checkout Pangolin
      uses: actions/checkout@v4

    - name: install build dependencies
      run: |
        sudo apt update
        sudo apt install -y emscripten ninja-build libeigen3-dev catch2

    - name: Configure Pangolin
      run: emcmake cmake -G Ninja -B pangolin-build -D CMAKE_BUILD_TYPE=$BUILD_TYPE -D Eigen3_DIR=/usr/share/eigen3/cmake/

    - name: Build Pangolin
      run: cmake --build pangolin-build

    - name: Copy Examples to www folder
      run: |
        mkdir -p ${{runner.workspace}}/www/emscripten
        rsync -zarvm --include="*/" --include="*.html" --include="*.js" --include="*.wasm" --exclude="*" pangolin-build/examples ${{runner.workspace}}/www/emscripten

    - name: Copy README to www folder
      run: |
        cp "${{github.workspace}}/README.md" "${{runner.workspace}}/www/index.md"

    - name: Deploy Examples to GitHub Pages (for pushes to master)
      if: success() && (github.ref == 'refs/heads/master')
      uses: crazy-max/ghaction-github-pages@v4
      with:
        target_branch: gh-pages
        keep_history: true
        # build_dir path relative to ${{runner.workspace}}/Pangolin
        build_dir: ../www
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}