build_linux.yml

name: Linux build

on:
  pull_request:
    branches: [master]
    paths:
      - "*.h"
      - "*.cpp"
      - "CMakeLists.txt"
      - "cmake/**"
      - "library.properties" # CMake & 'configure' gets lib info from here
      - "configure"
      - "Makefile"
      - "utility/CMakeLists.txt"
      # - "utility/LittleWire/*"" # this is not tested (anymore)
      - "utility/wiringPi/*"
      - "utility/MRAAA/*"
      - "utility/SPIDEV/*"
      - "utility/pigpio"
      - "examples_linux/**"
      - "!examples_linux/*.py"
      - "!examples_linux/*.md"
      - "pyRF24/setup.py"
      - "pyRF24/pyRF24.cpp"
      - ".github/workflows/build_linux.yml"
  push:
    branches: [master]
    paths:
      - "*.h"
      - "*.cpp"
      - "CMakeLists.txt"
      - "cmake/**"
      - "library.properties" # CMake & 'configure' gets lib info from here
      - "configure"
      - "Makefile"
      - "utility/CMakeLists.txt"
      # - "utility/LittleWire/*"" # this is not tested (anymore)
      - "utility/wiringPi/*"
      - "utility/MRAAA/*"
      - "utility/SPIDEV/*"
      - "utility/pigpio"
      - "examples_linux/**"
      - "!examples_linux/*.py"
      - "!examples_linux/*.md"
      - "pyRF24/setup.py"
      - "pyRF24/pyRF24.cpp"
      - ".github/workflows/build_linux.yml"
  release:
    types: [created]

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

jobs:

  ####################### using Makefile #############################
  build:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false

      matrix:
        config-options:
          - "--soc=BCM2835 --driver=RPi"
          - "--soc=BCM2836 --driver=RPi"
          - "--driver=SPIDEV"
          - "--driver=MRAA"
          - "--driver=pigpio"
          # disable wiringPi due to needing cross-compiled deps (see comment below)
          # - "--soc=BCM2835 --driver=wiringPi"

    env:
      CFLAGS: "-I /usr/local/include"

    steps:
      - uses: actions/checkout@v4

      - name: provide toolchain
        run: |
          sudo apt-get update
          sudo apt-get install binutils-arm-linux-gnueabi gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
          arm-linux-gnueabihf-gcc -v
          arm-linux-gnueabihf-g++ -v

      # NOTE: To cross-compile wiringPi, there needs to be cross-compiled `crypt` and `rt` libs
      # Skip cross-compiling wiringPi to avoid this headache.
      # - name: provide WiringPi
      #   if: ${{ matrix.config-options == '--soc=BCM2835 --driver=wiringPi' }}
      #   env:
      #     CC: /usr/bin/arm-linux-gnueabihf-gcc
      #     CFLAGS: "-I /usr/local/include -L /usr/local/lib -marm -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard -lcrypt -lrt"
      #   run: |
      #     git clone https://github.com/WiringPi/WiringPi
      #     cd WiringPi
      #     ./build
      
      - name: provide pigpio
        if: ${{ matrix.config-options == '--driver=pigpio' }}
        run: |
          git clone https://github.com/joan2937/pigpio.git
          cd pigpio
          git fetch --tags
          latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
          git checkout $latestTag
          mkdir build
          cd build
          cmake .. -D CMAKE_INSTALL_PREFIX=/usr/arm-linux-gnueabihf \
          -D CMAKE_TOOLCHAIN_FILE=${{ github.workspace }}/cmake/toolchains/armhf.cmake
          make
          sudo make install
        
      - name: provide MRAA
        if: ${{ matrix.config-options == '--driver=MRAA' }}
        env:
          CC: /usr/bin/arm-linux-gnueabihf-gcc
          CXX: /usr/bin/arm-linux-gnueabihf-g++
        run: |
          git clone https://github.com/intel-iot-devkit/mraa.git
          cd mraa
          mkdir build
          cd build
          cmake .. \
          -D BUILDSWIGNODE=OFF \
          -D BUILDARCH=arm \
          -D CMAKE_INSTALL_PREFIX=/usr/arm-linux-gnueabihf \
          -D CMAKE_TOOLCHAIN_FILE=${{ github.workspace }}/cmake/toolchains/armhf.cmake
          sudo make install
          sudo bash -c 'echo "/usr/local/lib/arm-linux-gnueabihf" >> /etc/ld.so.conf'
          sudo ldconfig

      - name: library configure
        run: ./configure ${{ matrix.config-options }}

      - name: library make
        run: make

      - name: library make install
        run: sudo make install

      - name: make linux examples
        run: |
          cd examples_linux
          make
          file ./gettingstarted


  ####################### using CMake ################################
  using_cmake:
    uses: nRF24/.github/.github/workflows/build_linux_cmake.yaml@main
    with:
      rf24-ref: ${{ github.sha }}
      driver: ${{ matrix.driver }}
      compiler: ${{ matrix.toolchain.compiler }}
      usr-dir: ${{ matrix.toolchain.usr_dir }}
      examples-path: examples_linux
      deploy-release: ${{ github.event_name == 'release' && (matrix.toolchain.compiler == 'armhf' || matrix.toolchain.compiler == 'arm64') && (matrix.driver =='RPi' || matrix.driver =='SPIDEV') }}
      py-wrapper-path: pyRF24
    strategy:
      fail-fast: false
      matrix:
        toolchain:
          - compiler: "armhf"
            usr_dir: "arm-linux-gnueabihf"
          - compiler: "arm64"
            usr_dir: "aarch64-linux-gnu"
          # - compiler: "x86_64"
          #   usr_dir: "x86_64-linux-gnux32"
          # - compiler: "i686"
          #   usr_dir: "i686-linux-gnu"
          - compiler: "default" # github runner is hosted on a "amd64"
            usr_dir: "local" # using this toolchain to test python wrapper
        driver:
          - "RPi"
          - "SPIDEV"
          - "MRAA"
          - "pigpio"
        exclude:
          # MRAA is not compatible with i686 arch
          - driver: "MRAA"
            toolchain:
              compiler: "i686"
              usr_dir: "i686-linux-gnu"
          - driver: "pigpio"
            toolchain:
              compiler: "default"
              usr_dir: "local"
        include:
          # need to cross-compile wiringPi dependencies (libcrypt)
          # only test default compiler with wiringPi
          - driver: "wiringPi"
            toolchain:
              compiler: "default" # github runner is hosted on a "amd64"
              usr_dir: "local"