build.yml

name: Build MicroPython

on:
  push:
    branches: '*'
  pull_request:
    branches: '*'

jobs:
  build:
    strategy:
      matrix:
        # macos-13 is x86_64, and macos-14 is arm64
        os: [ubuntu-22.04, macos-13, macos-14]
      fail-fast: false
    runs-on: ${{ matrix.os }}
    name: build.py ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true
      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      - uses: carlosperate/arm-none-eabi-gcc-action@v1
        with:
          release: 10.3-2021.10
      - name: Install CMake v3.22 via PyPI
        run: python -m pip install cmake==3.28.3
      - name: Check Versions
        run: |
          arm-none-eabi-gcc --version
          cmake --version
          python --version
          uname -a
      - name: Build mpy-cross
        run: make -C lib/micropython/mpy-cross -j2
      - name: Build MicroPython
        run: make -C src -j2
      - name: Upload hex file
        uses: actions/upload-artifact@v4
        with:
          name: MICROBIT-MICROPYTHON-${{ github.sha }}-${{ matrix.os }}.hex
          path: src/MICROBIT.hex