matrix build

flutter matrix build.yaml

name: Build Flutter Engine with Engine Tool (Matrix)

on:
  push:
    branches: [ "main", "engine-builds" ]
  pull_request:
    branches: [ "main", "engine-builds" ]
env:
  # don't try to install google's internal copy of visual studio
  DEPOT_TOOLS_WIN_TOOLCHAIN: 0

jobs:
  build-engine:
    # We'll run on whatever OS the matrix entry specifies.
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash
    strategy:
      matrix:
        include:
          # ------------------------- LINUX BUILDS -------------------------
          # host_debug, host_debug_unopt, host_profile, host_release, wasm_debug_unopt, wasm_release,

          - name: Linux host release
            config_name: host_release
            os: ubuntu-latest

          - name: Linux wasm release (web)
            config_name: wasm_release
            os: ubuntu-latest

          - name: Linux host debug
            config_name: host_debug
            os: ubuntu-latest

          - name: Linux wasm debug (web)
            config_name: wasm_debug_unopt
            os: ubuntu-latest

         # ------------------------- MAC BUILDS -------------------------
          - name: Mac host release
            config_name: host_release
            os: macos-latest

          - name: iOS release
            config_name: ios_release
            os: macos-latest

          - name: Mac host debug
            config_name: host_debug
            os: macos-latest

          - name: iOS debug
            config_name: ios_debug
            os: macos-latest
          # ------------------------- WINDOWS BUILDS -------------------------

          # Engine tool doesn't currently support windows
          #- name: Windows host release
          #  config_name: host_release
          #  os: windows-latest

    steps:
      - name: Free disk space
        if: startsWith(matrix.os, 'ubuntu')
        run: curl -fsSL https://raw.githubusercontent.com/kou/arrow/e49d8ae15583ceff03237571569099a6ad62be32/ci/scripts/util_free_space.sh | bash

      - name: Check out the repository
        uses: actions/checkout@v3

      - uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: Install Dependencies (Example for Linux)
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          sudo apt-get update
          sudo apt-get install --no-install-recommends -y \
            clang \
            cmake \
            ninja-build \
            unzip \
            zip \
            xz-utils \
            libgtk-3-dev \
            libglu-dev

      - name: Install Dependencies (Example for macOS)
        if: startsWith(matrix.os, 'macos')
        run: |
          brew update
          brew install \
            cmake \
            ninja

      - name: Install Dependencies (Example for Windows)
        if: startsWith(matrix.os, 'windows')
        run: |
          choco install -y -v \
            cmake \
            ninja

      - name: Set up depot_tools / gclient
        run: |
          git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git $HOME/depot_tools
          # Append depot_tools to the PATH for subsequent steps
          echo "$HOME/depot_tools" >> $GITHUB_PATH

      - name: Gclient Sync
        if: startsWith(matrix.os, 'ubuntu') && contains(matrix.config_name, 'wasm')
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-linux-web.gclient .gclient
          gclient sync -D

      - name: Gclient Sync
        if: startsWith(matrix.os, 'ubuntu') && contains(matrix.config_name, 'android')
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-linux-android.gclient .gclient
          gclient sync -D

      - name: Gclient Sync
        if: startsWith(matrix.os, 'ubuntu') && contains(matrix.config_name, 'host')
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-linux-desktop.gclient .gclient
          gclient sync -D

      - name: Gclient Sync
        if: startsWith(matrix.os, 'macos')
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-mac.gclient .gclient
          gclient sync -D

      - name: Gclient Sync
        if: startsWith(matrix.os, 'windows')
        run: |
          # Use custom gclient to trim size
          cp engine/scripts/slim-windows.gclient .gclient
          gclient sync -D

      - name: Fetch engine dependencies
        run: |
          cd engine/src
          ./flutter/bin/et fetch

      - name: Build Engine
        run: |
          echo "Building config: ${{ matrix.config_name }}"
          cd engine/src
          ./flutter/bin/et build --config ${{ matrix.config_name }}