stlab.yml

name: Build and Tests

on:
  pull_request:
  push:
    branches:
    - main

jobs:
  generate-matrix:
    name: Generate job matrix
    runs-on: ubuntu-22.04
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v2

      - name: Generate job matrix
        id: set-matrix
        # Note: The json in this variable must be a single line for parsing to succeed.
        run: echo "::set-output name=matrix::$(cat .github/matrix.json | scripts/flatten_json.py)"

  builds:
    needs: generate-matrix
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.generate-matrix.outputs.matrix)}}
    name: ${{ matrix.config.name }}

    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies // macOS
        if: ${{ startsWith(matrix.config.os, 'macos') }}
        run: |
          brew update
          brew install boost
          brew install ninja
        shell: bash

      - name: Install dependencies // Linux (GCC|Clang)
        if: ${{ startsWith(matrix.config.os, 'ubuntu') && !startsWith(matrix.config.compiler, 'emscripten') }}
        run: |
          sudo apt-get update
          sudo apt-get install -y ninja-build
          sudo apt-get install -y libboost-all-dev
        shell: bash

      - name: Install dependencies // Windows
        if: ${{ startsWith(matrix.config.os, 'windows') }}
        run: |
          choco install --yes ninja
          vcpkg install boost-test:x64-windows boost-multiprecision:x64-windows boost-variant:x64-windows
        shell: cmd

      - name: Install dependencies // Linux Emscripten
        if: ${{ startsWith(matrix.config.compiler, 'emscripten') }}
        shell: bash
        run: |
          sudo apt-get update
          sudo apt-get install -y ninja-build
          git clone --depth 1 --recurse-submodules --shallow-submodules --jobs=8 https://github.com/boostorg/boost.git $HOME/boost

          git clone --depth 1 https://github.com/emscripten-core/emsdk.git $HOME/emsdk
          pushd $HOME/emsdk
          ./emsdk install latest
          ./emsdk activate latest
          echo 'source "$HOME/emsdk/emsdk_env.sh"' >> $HOME/.bash_profile
          
          # Override Emsdk's bundled node (14.18.2) to the GH Actions system installation (>= 16.16.0)
          sed -i "/^NODE_JS = .*/c\NODE_JS = '`which node`'" .emscripten
          echo "Overwrote .emscripten config file to:"
          cat .emscripten
          popd

      - name: Set enviroment variables // Linux GCC
        if: ${{ matrix.config.compiler == 'gcc' }}
        shell: bash
        run: |
          echo "CC=gcc-${{matrix.config.version}}" >> $GITHUB_ENV
          echo "CXX=g++-${{matrix.config.version}}" >> $GITHUB_ENV

      - name: Set enviroment variables // Linux Clang
        if: ${{ matrix.config.compiler == 'clang' }}
        shell: bash
        run: |
          echo "CC=clang-${{matrix.config.version}}" >> $GITHUB_ENV
          echo "CXX=clang++-${{matrix.config.version}}" >> $GITHUB_ENV

      - name: Compile Boost // Emscripten
        if: ${{ startsWith(matrix.config.compiler, 'emscripten') }}
        shell: bash -l {0}
        run: |
          mkdir -p ../build-boost
          cmake -S $HOME/boost -B ../build-boost -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=23 \
            -DCMAKE_CXX_FLAGS="-Wno-deprecated-builtins" \
            -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/cmake/Platform/Emscripten-STLab.cmake \
            -DBOOST_INCLUDE_LIBRARIES="optional;variant;multiprecision;test"

          cmake --build ../build-boost
          cmake --install ../build-boost

      - name: Configure // Unix !Emscripten
        if: ${{ (startsWith(matrix.config.os, 'ubuntu') || startsWith(matrix.config.os, 'macos')) && !startsWith(matrix.config.compiler, 'emscripten') }}
        shell: bash
        run: |
          mkdir ../build
          cmake -S. -B../build -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=23

      - name: Configure // Linux Emscripten
        if: ${{ startsWith(matrix.config.compiler, 'emscripten') }}
        shell: bash -l {0}
        run: |
          mkdir ../build
          cmake -S. -B../build -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=23 \
            -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/cmake/Platform/Emscripten-STLab.cmake

      - name: Configure // Windows
        if: ${{ startsWith(matrix.config.os, 'windows') }}
        shell: cmd
        run: |
          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
          mkdir ..\build
          cmake -S. -B../build -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=23 -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake

      - name: Build // Unix
        if: ${{ startsWith(matrix.config.os, 'ubuntu') || startsWith(matrix.config.os, 'macos') }}
        shell: bash
        run: |
          cmake --build ../build/

      - name: Build // Windows
        if: ${{ startsWith(matrix.config.os, 'windows') }}
        shell: cmd
        run: |
          call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
          cmake --build ../build/

      - name: Test
        shell: bash
        run: |
          cd ../build/
          ctest --output-on-failure