driver-cross-build.yml

name: CI

on:
  push:
    branches:
      - master
    paths:
    - '.github/workflows/driver-cross-build.yml'
    - '.test/bin/**'
    - '.test/lint.sh'
    - 'src/drivers/**'
  pull_request:
    types: [opened, synchronize]
    paths:
    - '.github/workflows/driver-cross-build.yml'
    - '.test/bin/**'
    - '.test/lint.sh'
    - 'src/drivers/**'

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Lint
        run: |
          ./.test/lint.sh
  build:
    needs: lint
    strategy:
      fail-fast: false
      matrix:
        env:
          - { RPI_LINUX_VER: rpi-4.1.y, CONFIG_FILE: config-4.1.21-v7+, RPI_LINUX_COMMIT_HASH: ff45bc0, GCC_VER: 4.8 }
          - { RPI_LINUX_VER: rpi-4.4.y, CONFIG_FILE: config-4.4.38-v7+, RPI_LINUX_COMMIT_HASH: c95b7f1, GCC_VER: 4.8 }
          - { RPI_LINUX_VER: rpi-4.14.y, CONFIG_FILE: config-4.14.34-v7+, RPI_LINUX_COMMIT_HASH: f70eae4, GCC_VER: 4.8 }
          - { RPI_LINUX_VER: rpi-5.4.y, CONFIG_FILE: config-5.4.83-v7+, RPI_LINUX_COMMIT_HASH: 76c49e6, GCC_VER: 6.3 }
          - { RPI_LINUX_VER: rpi-5.4.y, CONFIG_FILE: config-5.4.83-v7+, RPI_LINUX_COMMIT_HASH: 76c49e6, GCC_VER: 8.3 }
          - { RPI_LINUX_VER: rpi-5.10.y, CONFIG_FILE: config-5.10.11-v7+, RPI_LINUX_COMMIT_HASH: 6af8ae3, GCC_VER: 6.3 }
          - { RPI_LINUX_VER: rpi-5.10.y, CONFIG_FILE: config-5.10.11-v7+, RPI_LINUX_COMMIT_HASH: 6af8ae3, GCC_VER: 8.3 }
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Install cross-build settings
        id: gcc
        env:
          GCC_VER: ${{ matrix.env.GCC_VER }}
          SRC_DIR: ${{ github.workspace }}
        run: |
          source ./.test/step0.sh
          prepare_cross_compiler
          echo "::set-output name=path::${CROSS_COMPILE_PATH}"

      - name: Install kernel headers
        env:
          RPI_LINUX_VER: ${{ matrix.env.RPI_LINUX_VER }}
          CONFIG_FILE: ${{ matrix.env.CONFIG_FILE }}
          RPI_LINUX_COMMIT_HASH: ${{ matrix.env.RPI_LINUX_COMMIT_HASH }}
          GCC_VER: ${{ matrix.env.GCC_VER }}
          CROSS_COMPILE_PATH: ${{ steps.gcc.outputs.path }}
          SRC_DIR: ${{ github.workspace }}
        run: |
          source ./.test/step1.sh
          install_kernel_headers

      - name: Build kernel module
        env:
          CROSS_COMPILE_PATH: ${{ steps.gcc.outputs.path }}
          SRC_DIR: ${{ github.workspace }}
        run: |
          source ./.test/step2.sh
          build_kernel_module