name: Build and run tests (macOS)

on: [push, pull_request]

jobs:
  test-macos:
    runs-on: ${{ matrix.os.id }}
    strategy:
      matrix:
        os:
          - { id: macos-11, name: 'Big Sur' }
        cpp_std:
          - 'c++11'
          - 'c++17'
      fail-fast: false
    steps:
      - name: Install Dependencies
        run: |
          brew install bison flex gawk libffi pkg-config bash

      - name: Runtime environment
        shell: bash
        env:
          WORKSPACE: ${{ github.workspace }}
        run: |
          echo "GITHUB_WORKSPACE=`pwd`" >> $GITHUB_ENV
          echo "$GITHUB_WORKSPACE/.local/bin" >> $GITHUB_PATH
          echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH
          echo "$(brew --prefix flex)/bin" >> $GITHUB_PATH
          echo "procs=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV

      - name: Tool versions
        shell: bash
        run: |
          cc --version

      - name: Checkout Yosys
        uses: actions/checkout@v2

      - name: Get iverilog
        shell: bash
        run: |
          git clone https://github.com/steveicarus/iverilog.git

      - name: Cache iverilog
        id: cache-iverilog
        uses: actions/cache@v2
        with:
          path: .local/
          key: ${{ matrix.os.id }}-${{ hashFiles('iverilog/.git/refs/heads/master') }}

      - name: Build iverilog
        if: steps.cache-iverilog.outputs.cache-hit != 'true'
        shell: bash
        run: |
          mkdir -p $GITHUB_WORKSPACE/.local/
          cd iverilog
          autoconf
          CC=gcc CXX=g++ ./configure --prefix=$GITHUB_WORKSPACE/.local/
          make -j${{ env.procs }}
          make install

      - name: Build yosys
        shell: bash
        run: |
          make config-clang
          make -j${{ env.procs }} CXXSTD=${{ matrix.cpp_std }} CC=cc CXX=cc LD=cc

      - name: Run tests
        if: matrix.cpp_std == 'c++11'
        shell: bash
        run: |
          make -j${{ env.procs }} test CXXSTD=${{ matrix.cpp_std }} CC=cc CXX=cc LD=cc
