modules-ci.yml

name: C++20 Modules CI
on: [push, workflow_dispatch, pull_request]

env:
  # Enable verbose output for CMake and tests
  VERBOSE: 1
  CTEST_OUTPUT_ON_FAILURE: 1

jobs:
  ubuntu-clang-modules:
    strategy:
      matrix:
        buildType: [Debug, Release]
    runs-on: ubuntu-latest
    steps:
    - name: Update package list
      run: sudo apt update
    - name: Install Dependencies
      run: |
        sudo apt install -y git libssl-dev build-essential libcurl4-openssl-dev libpsl-dev meson libunistring-dev ninja-build wget
        # Install Clang 21+
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        sudo ./llvm.sh 21
        sudo apt install -y libc++-21-dev libc++abi-21-dev
      env:
        DEBIAN_FRONTEND: noninteractive
    - name: Install CMake 3.28+
      run: |
        wget -O cmake.sh https://github.com/Kitware/CMake/releases/download/v3.28.3/cmake-3.28.3-linux-x86_64.sh
        sudo sh cmake.sh --prefix=/usr/local --skip-license
        cmake --version
    - name: Checkout
      uses: actions/checkout@v5
    - name: Configure
      run: |
        cmake -S . -B build \
          -DCMAKE_BUILD_TYPE=${{ matrix.buildType }} \
          -DCMAKE_CXX_COMPILER=clang++-21 \
          -DCMAKE_C_COMPILER=clang-21 \
          -DCPR_BUILD_MODULES=ON \
          -DCPR_BUILD_TESTS=ON \
          -DCPR_BUILD_TESTS_SSL=ON \
          -DCPR_FORCE_OPENSSL_BACKEND=ON \
          -DCPR_USE_SYSTEM_CURL=OFF \
          -G Ninja
    - name: Build
      run: cmake --build build --verbose
    - name: Test
      run: ctest --test-dir build --output-on-failure --repeat until-pass:5
    - name: Verify Module Build
      run: |
        echo "Contents of build/modules:"
        ls -la build/modules/
        if [ -f build/modules/libcpr_module.a ] || [ -f build/modules/libcpr_module.so ] || [ -f build/modules/cpr_module.a ] || find build/modules -name "*cpr_module*" -type f | grep -q .; then
          echo "Module library built successfully"
        else
          echo "Error: Module library not found"
          exit 1
        fi

  fedora-gcc-modules:
    runs-on: ubuntu-latest
    container: "fedora:latest"
    steps:
    - name: Update package list
      run: dnf update -y
    - name: Install Dependencies
      run: dnf install -y gcc g++ git make openssl-devel libcurl-devel cmake libpsl-devel libunistring-devel meson ninja-build
    - name: Checkout
      uses: actions/checkout@v5
    - name: Configure
      run: |
        cmake -S . -B build \
          -DCMAKE_BUILD_TYPE=Release \
          -DCPR_BUILD_MODULES=ON \
          -DCPR_BUILD_TESTS=ON \
          -DCPR_BUILD_TESTS_SSL=ON \
          -DCPR_FORCE_OPENSSL_BACKEND=ON \
          -DCPR_USE_SYSTEM_CURL=OFF \
          -G Ninja
    - name: Build
      run: cmake --build build --verbose
    - name: Test
      run: ctest --test-dir build --output-on-failure --repeat until-pass:5
    - name: Verify Module Build
      run: |
        echo "Searching for module build artifacts:"
        find build -name "*cpr_module*" -type f || true
        find build -name "cpr.gcm" -type f || true
        # GCC stores the compiled module interface (BMI) as cpr.gcm rather than
        # a traditional archive when all sources are in FILE_SET CXX_MODULES.
        # Also check build/lib/ in case LIBRARY_OUTPUT_PATH redirected the archive.
        if find build \( -name "*cpr_module*" -o -name "cpr.gcm" \) -type f | grep -q .; then
          echo "Module build artifacts found successfully"
        else
          echo "Error: No module build artifacts found"
          exit 1
        fi

  windows-msvc-modules:
    runs-on: windows-latest
    steps:
    - uses: actions/setup-python@v6
    - name: Install meson
      run: pip install meson
    - name: Setup MSVC environment
      uses: ilammy/msvc-dev-cmd@v1
    - name: Checkout
      uses: actions/checkout@v5
    - name: Install dependencies via vcpkg
      run: |
        vcpkg install curl zlib openssl --triplet x64-windows
      shell: pwsh
    - name: Configure
      run: |
        cmake -S . -B build `
          -DCMAKE_BUILD_TYPE=Release `
          -DCMAKE_TOOLCHAIN_FILE="C:/vcpkg/scripts/buildsystems/vcpkg.cmake" `
          -DVCPKG_TARGET_TRIPLET=x64-windows `
          -DCPR_BUILD_MODULES=ON `
          -DCPR_BUILD_TESTS=ON `
          -DCPR_BUILD_TESTS_SSL=OFF `
          -DCPR_USE_SYSTEM_CURL=ON `
          -G "Visual Studio 17 2022"
      shell: pwsh
    - name: Build
      run: cmake --build build --config Release --verbose
    - name: Test
      run: ctest --test-dir build -C Release --output-on-failure --repeat until-pass:5
    - name: Verify Module Build
      run: |
        Write-Host "Contents of build/modules/Release:"
        Get-ChildItem -Path build/modules/Release -Force
        if (!(Test-Path "build/modules/Release/cpr_module.lib") -and !(Get-ChildItem -Path build/modules -Recurse -Filter "*cpr_module*")) {
          throw "Module library not found"
        }
        Write-Host "Module library built successfully"
      shell: pwsh

  macos-clang-modules:
    runs-on: macos-latest
    steps:
    - name: Install Dependencies
      run: |
        brew install llvm libpsl ninja
    - name: Checkout
      uses: actions/checkout@v5
    - name: Configure
      run: |
        cmake -S . -B build \
          -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_CXX_COMPILER=$(brew --prefix llvm)/bin/clang++ \
          -DCMAKE_C_COMPILER=$(brew --prefix llvm)/bin/clang \
          -DCPR_BUILD_MODULES=ON \
          -DCPR_BUILD_TESTS=ON \
          -DCPR_BUILD_TESTS_SSL=OFF \
          -DCPR_USE_SYSTEM_LIB_PSL=ON \
          -G Ninja
    - name: Build
      run: cmake --build build --verbose
    - name: Test
      run: ctest --test-dir build --output-on-failure --repeat until-pass:5
    - name: Verify Module Build
      run: |
        echo "Contents of build/modules:"
        ls -la build/modules/
        if [ -f build/modules/libcpr_module.a ] || [ -f build/modules/libcpr_module.dylib ] || [ -f build/modules/cpr_module.a ] || find build/modules -name "*cpr_module*" -type f | grep -q .; then
          echo "Module library built successfully"
        else
          echo "Error: Module library not found"
          exit 1
        fi