build-examples.yml

name: build-examples

on:
  push:
    paths:
      - 'examples/**'
      - '.github/workflows/build-examples.yml'
  pull_request:
    paths:
      - 'examples/**'
      - '.github/workflows/build-examples.yml'

jobs:
  build-examples:
    runs-on: ubuntu-22.04
    steps:
      # Checkout repository
      - name: Checkout
        uses: actions/checkout@v4

      # Install build dependencies
      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get -y install build-essential clang bison flex libreadline-dev gawk \
                                  tcl-dev libffi-dev git graphviz xdot pkg-config python3 \
                                  libboost-system-dev libboost-python-dev libboost-filesystem-dev \
                                  zlib1g-dev cmake libboost-all-dev libeigen3-dev libftdi-dev \
                                  python3-dev python3-pip

      # Install icestorm
      - name: Install icestorm
        run: |
          mkdir icestorm
          pushd icestorm
          git init
          git remote add origin https://github.com/YosysHQ/icestorm.git
          git fetch --depth 1 origin 1a40ae75d4eebee9cce73a2c4d634fd42ed0110f
          git reset --hard FETCH_HEAD
          make -j$(nproc)
          sudo make install
          popd
      
      # Install nextpnr
      - name: Install nextpnr
        run: |
          git clone https://github.com/YosysHQ/nextpnr.git -b nextpnr-0.6 --depth 1
          pushd nextpnr
          cmake -DARCH=ice40 -DCMAKE_INSTALL_PREFIX=/usr/local .
          make -j$(nproc)
          sudo make install
          popd

      # Install yosys
      - name: Install yosys
        run: |
          git clone https://github.com/YosysHQ/yosys.git -b yosys-0.36 --depth 1
          pushd yosys
          make -j$(nproc)
          sudo make install
          popd

      # Install gbdk-2020
      - name: Install gbdk-2020
        run: |
          wget https://github.com/gbdk-2020/gbdk-2020/releases/download/4.2.0/gbdk-linux64.tar.gz
          sudo tar -axvf gbdk-linux64.tar.gz -C /opt

      # Build examples
      - name: Build examples
        run: |
          pushd ./examples
          make
          popd