name: AVX2 Compiler Matrix

on:
  workflow_call:

jobs:
  avx2-compiler-matrix:
    name: avx2 (${{ matrix.name }})
    runs-on: ubuntu-latest
    container:
      image: ${{ matrix.image }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: gcc-10, comp: gcc, cxx: g++, image: "gcc:10" }
          - { name: gcc-11, comp: gcc, cxx: g++, image: "gcc:11" }
          - { name: gcc-12, comp: gcc, cxx: g++, image: "gcc:12" }
          - { name: gcc-13, comp: gcc, cxx: g++, image: "gcc:13" }
          - { name: gcc-14, comp: gcc, cxx: g++, image: "gcc:14" }
          - { name: gcc-15, comp: gcc, cxx: g++, image: "gcc:15" }

          # Using silkeh/clang for older versions
          - { name: clang-11, comp: clang, cxx: clang++, image: "silkeh/clang:11", is_clang: true, ver: "11" }
          - { name: clang-12, comp: clang, cxx: clang++, image: "silkeh/clang:12", is_clang: true, ver: "12" }
          - { name: clang-13, comp: clang, cxx: clang++, image: "silkeh/clang:13", is_clang: true, ver: "13" }
          - { name: clang-14, comp: clang, cxx: clang++, image: "silkeh/clang:14", is_clang: true, ver: "14" }
          - { name: clang-15, comp: clang, cxx: clang++, image: "silkeh/clang:15", is_clang: true, ver: "15" }
          - { name: clang-16, comp: clang, cxx: clang++, image: "silkeh/clang:16", is_clang: true, ver: "16" }
          - { name: clang-17, comp: clang, cxx: clang++, image: "silkeh/clang:17", is_clang: true, ver: "17" }

          - { name: clang-18, comp: clang, cxx: clang++-18, image: "ubuntu:rolling", is_clang: true, ver: "18" }
          - { name: clang-19, comp: clang, cxx: clang++-19, image: "ubuntu:rolling", is_clang: true, ver: "19" }
          - { name: clang-20, comp: clang, cxx: clang++-20, image: "ubuntu:rolling", is_clang: true, ver: "20" }
          - { name: clang-21, comp: clang, cxx: clang++-21, image: "ubuntu:rolling", is_clang: true, ver: "21" }

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Install dependencies
        run: |
          if grep -q "buster" /etc/os-release; then
            echo "Debian Buster detected. Switching to archive repositories..."
            echo "deb http://archive.debian.org/debian buster main contrib non-free" > /etc/apt/sources.list
            echo "deb http://archive.debian.org/debian-security buster/updates main contrib non-free" >> /etc/apt/sources.list
            echo 'Acquire::Check-Valid-Until "false";' > /etc/apt/apt.conf.d/99-ignore-valid-until
          fi

          apt-get update
          apt-get install -y curl git make

      - name: Set up Clang
        if: ${{ matrix.is_clang && matrix.image == 'ubuntu:rolling' }}
        run: |
          if [ "${{ matrix.ver }}" -le 20 ]; then
            apt-get install -y clang-${{ matrix.ver }}
          else
            apt-get install -y \
              clang-${{ matrix.ver }} \
              llvm-${{ matrix.ver }}-dev \
              llvm-${{ matrix.ver }}-linker-tools \
              lld-${{ matrix.ver }}
          fi

      - name: Download network
        working-directory: src
        run: make net

      - name: Build avx2 binary
        working-directory: src
        run: |
          export CXXFLAGS="-Werror"
          if [ "${{ matrix.ver }}" -ge 20 ]; then
            apt install -y lld
          fi
          make clean
          make -j build ARCH=x86-64-avx2 COMP=${{ matrix.comp }} COMPCXX=${{ matrix.cxx }}

      - name: Smoke test
        working-directory: src
        run: ./stockfish bench 16 1 6