bvt-clang.yml

on:
  workflow_call:

jobs:
  bvt-clang:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@v4

    - name: install meson
      run: pipx install meson

    - name: install clang
      run: |
        curl https://apt.llvm.org/llvm.sh | sudo bash -s -- 21
        sudo apt install -y clang-21 libc++-21-dev clang-format-21
        cat <<'EOF' >> "$GITHUB_ENV"
        CC=clang-21
        CXX=clang++-21
        CXXFLAGS=-stdlib=libc++
        EOF

    - name: check compiler version
      run: |
        "$CXX" --version

    - name: build and run test with clang 21 on cmake
      run: |
        cmake -B build-cmake -GNinja -DCMAKE_CXX_STANDARD=23 -DCMAKE_BUILD_TYPE=Release -DPROXY_BUILD_MODULES=TRUE
        mapfile -t FILES < <(find include tests benchmarks build-cmake/examples_from_docs tools -type f \( -name '*.h' -o -name '*.ixx' -o -name '*.cpp' \))
        echo "Running clang-format on ${#FILES[@]} files: ${FILES[*]}"
        clang-format-21 --dry-run --Werror "${FILES[@]}"
        cmake --build build-cmake -j
        ctest --test-dir build-cmake -j
        mkdir build-cmake/drop
        bash ./tools/dump_build_env.sh "$CXX" build-cmake/drop/env-info.json

    - name: build and run test with clang 21 on meson
      run: |
        meson setup build-meson --buildtype=release -Dtests=enabled -Dbenchmarks=enabled --force-fallback-for=fmt
        meson test -C build-meson
        meson test -C build-meson --benchmark --test-args=--benchmark_list_tests=true

    - name: run benchmarks
      run: build-cmake/benchmarks/msft_proxy_benchmarks --benchmark_min_warmup_time=0.1 --benchmark_min_time=0.1s --benchmark_repetitions=30 --benchmark_enable_random_interleaving=true --benchmark_report_aggregates_only=true --benchmark_format=json > build-cmake/drop/benchmarking-results.json

    - name: archive benchmarking results
      uses: actions/upload-artifact@v4
      with:
        name: drop-clang
        path: build-cmake/drop/