verilator/.github/workflows/build.yml

# DESCRIPTION: Github actions config
# This name is key to badges in README.adoc, so we use the name build
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0

name: build

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule:
  - cron: '0 0 * * 0' # weekly

jobs:

  vlt:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { cc: clang, cxx: clang++ }
          - { cc: gcc,   cxx: g++     }
    runs-on: ubuntu-20.04
    name: Ubuntu 20.04 | ${{ matrix.cc }} | build-test
    env:
      CI_OS_NAME: linux
      CI_RUNS_ON: ubuntu-20.04
      CI_COMMIT: ${{ github.sha }}
      CCACHE_COMPRESS: 1
      CCACHE_DIR: ${{ github.workspace }}/.ccache
      CCACHE_MAXSIZE: 2Gi  # 2GiB for clang and gcc, 4GiB in total
      CC: ${{ matrix.cc }}
      CXX: ${{ matrix.cxx }}
    steps:

      - name: Checkout
        uses: actions/checkout@v2

      - name: Cache
        uses: actions/cache@v2
        env:
          cache-name: ccache
        with:
          path: ${{ github.workspace }}/.ccache
          key: ubuntu-20.04-${{ matrix.cc }}-${{ env.cache-name }}-${{ github.sha }}
          restore-keys: |
            ubuntu-20.04-${{ matrix.cc }}-${{ env.cache-name }}

      - name: Install packages for build
        env:
          CI_BUILD_STAGE_NAME: build
        run: bash ci/ci-install.bash

      - name: CCACHE maintenance
        run: mkdir -p $CCACHE_DIR && bash ci/ci-ccache-maint.bash

      - name: Build
        env:
          CI_BUILD_STAGE_NAME: build
        run: bash ci/ci-script.bash

      - name: Install packages for tests
        env:
          CI_BUILD_STAGE_NAME: test
        run: bash ci/ci-install.bash

      - name: Test
        env:
          CI_BUILD_STAGE_NAME: test
        run: |
          for item in dist-vlt-0 dist-vlt-1 vltmt-0 vltmt-1; do
            echo "::group::${item}"

            TESTS="${item}" bash ci/ci-script.bash

            echo '::endgroup::'
          done