.github/workflows/libc-shared-tests.yml

name: libc Precommit CI - shared tests
permissions:
  contents: read
on:
  pull_request:
    paths:
      - 'libc/**'
      - '.github/workflows/libc-shared-tests.yml'

jobs:
  windows-msvc-shared:
    name: libc-shared-test with MSVC on ${{ matrix.arch }}
    if: github.repository_owner == 'llvm'
    timeout-minutes: 20
    strategy:
      fail-fast: false # If one arch fails, let the other finish
      matrix:
        include:
          - arch: amd64
            os: windows-2022
          - arch: amd64_x86
            os: windows-2022
          - arch: arm64
            os: windows-11-arm

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout LLVM
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Setup MSVC Dev Environment
        uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
        with:
          arch: ${{ matrix.arch }}

      - name: Configure CMake
        run: |
          cmake -B build -S runtimes -G Ninja `
            -DLLVM_ENABLE_RUNTIMES=libc `
            -DCMAKE_C_COMPILER=cl `
            -DCMAKE_CXX_COMPILER=cl `
            -DCMAKE_BUILD_TYPE=Release

      - name: Build and Test
        run: cmake --build build --target libc-shared-tests

  linux-cross-arch-shared:
    name: libc-shared-tests on ${{ matrix.arch }}
    if: github.repository_owner == 'llvm'
    timeout-minutes: 20
    runs-on: ubuntu-26.04
    container:
      image: 'ghcr.io/llvm/libc-ubuntu-26.04:latest@sha256:fffa8d515b48be0367b0bd09ef8cf64c622367e3b0e3426e4c4f12c8fa667063'
    strategy:
      fail-fast: false # If one arch fails, let the other finish
      matrix:
        include:
          - arch: aarch64
            target_triple: aarch64-linux-gnu
            gcc_arch: aarch64-linux-gnu
          - arch: riscv64
            target_triple: riscv64-linux-gnu
            gcc_arch: riscv64-linux-gnu
          - arch: ppc64le
            target_triple: powerpc64le-linux-gnu
            gcc_arch: powerpc64le-linux-gnu
          - arch: armhf
            target_triple: arm-linux-gnueabihf
            gcc_arch: arm-linux-gnueabihf
            gcc_ver: -12

    steps:
      - name: Checkout LLVM
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Create QEMU wrapper
        run: |
          mkdir build
          cat << 'EOF' > /__w/llvm-project/llvm-project/build/qemu-wrapper.sh
          #!/bin/bash
          qemu-${{ matrix.arch }} -L /usr/${{ matrix.target_triple }} "$@"
          EOF
          chmod +x /__w/llvm-project/llvm-project/build/qemu-wrapper.sh

      - name: Configure CMake - Clang
        run: |
          cmake -B build/clang -S runtimes -G Ninja \
            -DLLVM_ENABLE_RUNTIMES=libc \
            -DCMAKE_C_COMPILER=clang-23 \
            -DCMAKE_CXX_COMPILER=clang++-23 \
            -DCMAKE_BUILD_TYPE=Release \
            -DLLVM_USE_LINKER=lld-23 \
            -DLIBC_TARGET_TRIPLE=${{ matrix.target_triple }} \
            -DCMAKE_CROSSCOMPILING_EMULATOR=/__w/llvm-project/llvm-project/build/qemu-wrapper.sh

      - name: Build and Run - Clang
        env:
          QEMU_LD_PREFIX: /usr/${{ matrix.target_triple }}
        run: |
          cmake --build build/clang --target libc-shared-tests

      - name: Configure CMake - gcc
        run: |
          cmake -B build/gcc -S runtimes -G Ninja \
            -DLLVM_ENABLE_RUNTIMES=libc \
            -DCMAKE_C_COMPILER=${{ matrix.target_triple }}-gcc${{ matrix.gcc_ver }} \
            -DCMAKE_CXX_COMPILER=${{ matrix.target_triple }}-g++${{ matrix.gcc_ver }} \
            -DCMAKE_BUILD_TYPE=Release \
            -DLIBC_TARGET_TRIPLE=${{ matrix.target_triple }} \
            -DCMAKE_CROSSCOMPILING_EMULATOR=/__w/llvm-project/llvm-project/build/qemu-wrapper.sh

      - name: Build and Run - gcc
        env:
          QEMU_LD_PREFIX: /usr/${{ matrix.target_triple }}
        run: |
          cmake --build build/gcc --target libc-shared-tests

  linux-gcc-shared:
    name: libc-shared-tests with ${{ matrix.name }}
    if: github.repository_owner == 'llvm'
    timeout-minutes: 20
    runs-on: ubuntu-26.04
    container:
      image: 'ghcr.io/llvm/libc-ubuntu-26.04:latest@sha256:fffa8d515b48be0367b0bd09ef8cf64c622367e3b0e3426e4c4f12c8fa667063'
    strategy:
      fail-fast: false # If one arch fails, let the other finish
      matrix:
        include:
          - name: gcc
            c_compiler: gcc
            cxx_compiler: g++
          - name: gcc-7
            c_compiler: /usr/local/gcc7/bin/gcc
            cxx_compiler: /usr/local/gcc7/bin/g++
          - name: gcc-8
            c_compiler: /usr/local/gcc8/bin/gcc
            cxx_compiler: /usr/local/gcc8/bin/g++
          - name: gcc-9
            c_compiler: /usr/local/gcc9/bin/gcc
            cxx_compiler: /usr/local/gcc9/bin/g++
          - name: gcc-11
            c_compiler: gcc-11
            cxx_compiler: g++-11

    steps:
      - name: Checkout LLVM
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Configure CMake
        run: |
          cmake -B build -S runtimes -G Ninja \
            -DLLVM_ENABLE_RUNTIMES=libc \
            -DCMAKE_C_COMPILER=${{ matrix.c_compiler }} \
            -DCMAKE_CXX_COMPILER=${{ matrix.cxx_compiler }} \
            -DCMAKE_BUILD_TYPE=Release

      - name: Build and Run
        run: |
          cmake --build build --target libc-shared-tests