cmake.yml

name: CMake

on:
  push:
  pull_request:

env:
  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
  BUILD_TYPE: Release
  PICO_SDK_VERSION: 2.0.0

jobs:
  build:
    name: ${{matrix.name}} (C++)
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - name: Pico
            board: pico
          - name: Pico W
            board: pico_w

    env:
      PICO_SDK_PATH: $GITHUB_WORKSPACE/pico-sdk
  
    steps:
    - name: Compiler Cache Fixup
      run: |
        mkdir -p /home/runner/.ccache

    - name: Compiler Cache
      uses: actions/cache@v4
      with:
        path: /home/runner/.ccache
        key: ccache-cmake-${{github.ref}}-${{matrix.board}}-${{github.sha}}
        restore-keys: |
          ccache-cmake-${{github.ref}}-${{matrix.board}}
          ccache-cmake-${{github.ref}}
          ccache-cmake

    - uses: actions/checkout@v4
      with:
        submodules: true

    # Check out the Pico SDK
    - name: Checkout Pico SDK
      uses: actions/checkout@v4
      with:
        repository: raspberrypi/pico-sdk
        ref: ${{ env.PICO_SDK_VERSION }}
        path: pico-sdk
        submodules: true

    # Check out the Pico Extras
    - name: Checkout Pico Extras
      uses: actions/checkout@v4
      with:
        repository: raspberrypi/pico-extras
        path: pico-extras
        submodules: false  # lwip breaks audio submodule fetching

    - name: Install Arm GNU Toolchain (arm-none-eabi-gcc)
      uses: carlosperate/arm-none-eabi-gcc-action@v1
      with:
        release: '13.3.Rel1'

    # Linux deps
    - name: Install deps
      run: |
        sudo apt update && sudo apt install ccache

    - name: Create Build Environment
      run: cmake -E make_directory ${{runner.workspace}}/build

    - name: Configure CMake
      shell: bash
      working-directory: ${{runner.workspace}}/build
      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DPICO_SDK_PATH=$GITHUB_WORKSPACE/pico-sdk -DPICO_SDK_POST_LIST_DIRS=$GITHUB_WORKSPACE/pico-extras -DPICO_BOARD=${{matrix.board}}

    - name: Build
      working-directory: ${{runner.workspace}}/build
      shell: bash
      run: |
        ccache --zero-stats || true
        cmake --build . --config $BUILD_TYPE -j 2
        ccache --show-stats || true