name: linux_build

# Run CI on
# - each push
# - each pull request
# - scheduled weekly
on:
  push:
  pull_request:
  schedule:
    - cron: '0 0 * * 0 ' # weekly

# Environment variables
env:
  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
  BUILD_TYPE: Release
  MAKEFLAGS: "-j8"

# Multiple job to tests
jobs:
  # Test the compilation compatibility
  linux_build:
    name: ${{ matrix.config.name }}
    runs-on: ubuntu-18.04
    container: ghcr.io/lnis-uofu/openfpga-buildenv-${{ matrix.config.cc}}
    # Branch on different OS and settings
    strategy:
      fail-fast: false
      matrix:
        config:
        - name: "Build Compatibility: GCC-5 (Ubuntu 18.04)"
          cc: gcc-5
          cxx: g++-5
        - name: "Build Compatibility: GCC-6 (Ubuntu 18.04)"
          cc: gcc-6
          cxx: g++-6
        - name: "Build Compatibility: GCC-7 (Ubuntu 18.04)"
          cc: gcc-7
          cxx: g++-7
        - name: "Build Compatibility: GCC-8 (Ubuntu 18.04)"
          cc: gcc-8
          cxx: g++-8
        - name: "Build Compatibility: GCC-9 (Ubuntu 18.04)"
          cc: gcc-9
          cxx: g++-9
        - name: "Build Compatibility: Clang-6 (Ubuntu 18.04)"
          cc: clang-6.0
          cxx: clang++-6.0
        - name: "Build Compatibility: Clang-8 (Ubuntu 18.04)"
          cc: clang-8
          cxx: clang++-8
    # Define the steps to run the build job
    env:
      CC: ${{ matrix.config.cc }}
      CXX: ${{ matrix.config.cxx }}
      CCACHE_COMPRESS: "true"
      CCACHE_COMPRESSLEVEL: "6"
      CCACHE_MAXSIZE: "400M"
      CCACHE_LOGFILE: ccache_log
      CCACHE_DIR: /__w/OpenFPGA/.ccache
    steps:
      - name: Checkout OpenFPGA repo
        uses: actions/checkout@v2

      - name: Dump tool versions
        run: |
          cmake --version
          iverilog -V
          vvp -V

      - name: Prepare ccache timestamp
        id: ccache_cache_timestamp
        shell: cmake -P {0}
        run: |
          string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
          message("::set-output name=timestamp::${current_date}")

      - name: Create CMake build environment
        # Some projects don't allow in-source building, so create a separate build directory
        # We'll use this as our working directory for all subsequent commands
        run: cmake -E make_directory build

      - name: Setup ccache
        uses: actions/cache@v2
        with:
          path: |
            /__w/OpenFPGA/.ccache
          key: ${{ matrix.config.cc }}-ccache-${{ github.ref}}
          restore-keys: |
            ${{ matrix.config.cc }}-ccache-

      - name: Configure CMake
        # Use a bash shell so we can use the same syntax for environment variable
        # access regardless of the host operating system
        shell: bash
        working-directory: build
        # Note the current convention is to use the -S and -B options here to specify source
        # and build directories, but this is only available with CMake 3.13 and higher.
        # The CMake binaries on the Github Actions machines are (as of this writing) 3.12
        #
        run: |
          ccache -p
          ccache -z
          cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE

      - name: Build
        working-directory: build
        shell: bash
        # Execute the build.  You can specify a specific target with "--target <NAME>"
        run: |
          cmake --build . --config $BUILD_TYPE

      # Check the cache size and see if it is over the limit
      - name: Check ccache size
        run: ccache -s
      - name: Upload artifact
        uses: actions/upload-artifact@v2
        if: ${{ matrix.config.cc == 'gcc-8'}}
        with:
          name: openfpga
          path: |
            abc/abc
            abc/libabc.a
            ace2/ace
            ace2/libace.a
            openfpga/libopenfpga.a
            openfpga/openfpga
            vpr/libvpr.a
            vpr/vpr
            yosys/share/
            yosys/yosys
            yosys/yosys-abc
            yosys/yosys-config
            yosys/yosys-filterlib
            yosys/yosys-smtbmc
  regression_tests:
    name: Regression tests
    runs-on: ubuntu-18.04
    container: ghcr.io/lnis-uofu/openfpga-buildenv-test
    needs: linux_build
    defaults:
      run:
        shell: bash
    steps:
      - name: Checkout OpenFPGA repo
        uses: actions/checkout@v2
      - name: Download a built artifacts
        uses: actions/download-artifact@v2
        with:
          name: openfpga
      - name: chmod
        run: |
          chmod +x abc/abc
          chmod +x ace2/ace
          chmod +x openfpga/openfpga
          chmod +x vpr/vpr
          chmod +x yosys/yosys
          chmod +x yosys/yosys-abc
          chmod +x yosys/yosys-config
          chmod +x yosys/yosys-filterlib
          chmod +x yosys/yosys-smtbmc
      - name: "Basic Regression Tests: GCC-8 (Ubuntu 18.04)"
        run: source .github/workflows/basic_reg_test.sh
      - name: "FPGA-Verilog Regression Tests: GCC-8 (Ubuntu 18.04)"
        run: source .github/workflows/fpga_verilog_reg_test.sh
      - name: "FPGA-Bitstream Regression Tests: GCC-8 (Ubuntu 18.04)"
        run: source .github/workflows/fpga_bitstream_reg_test.sh
      - name: "FPGA-SDC Regression Tests: GCC-8 (Ubuntu 18.04)"
        run: source .github/workflows/fpga_sdc_reg_test.sh
      - name: "FPGA-SPICE Regression Tests: GCC-8 (Ubuntu 18.04)"
        run: source .github/workflows/fpga_spice_reg_test.sh