CI-unixish.yml

name: CI-unixish

on: [push, pull_request]

jobs:
  build:

    strategy:
      matrix:
        compiler: [clang++, g++]
        os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, macos-13, macos-14]
      fail-fast: false

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

    env:
      CXX: ${{ matrix.compiler }}

    steps:
    - uses: actions/checkout@v4

    - name: Install missing software on ubuntu
      if: matrix.os == 'ubuntu-24.04'
      run: |
          sudo apt-get update
          sudo apt-get install valgrind

    - name: Install missing software on ubuntu (clang++)
      if: matrix.os == 'ubuntu-24.04' && matrix.compiler == 'clang++'
      run: |
        sudo apt-get update
        sudo apt-get install libc++-18-dev

    # coreutils contains "nproc"
    - name: Install missing software on macos
      if: contains(matrix.os, 'macos')
      run: |
        brew install coreutils

    # TODO: bail out on warning
    - name: make simplecpp
      run: make -j$(nproc)

    # TODO: bail out on warning
    - name: make test
      run: make -j$(nproc) test

    - name: selfcheck
      run: |
        make -j$(nproc) selfcheck

    - name: Run CMake
      run: |
        cmake -S . -B cmake.output -DCMAKE_COMPILE_WARNING_AS_ERROR=On

    - name: CMake simplecpp
      run: |
        cmake --build cmake.output --target simplecpp -- -j $(nproc)

    - name: CMake testrunner
      run: |
        cmake --build cmake.output --target testrunner -- -j $(nproc)
        ./cmake.output/testrunner

    - name: Run valgrind
      if: matrix.os == 'ubuntu-24.04'
      run: |
          make clean
          make -j$(nproc)
          valgrind --leak-check=full --num-callers=50 --show-reachable=yes --track-origins=yes --gen-suppressions=all --error-exitcode=42 ./testrunner
          valgrind --leak-check=full --num-callers=50 --show-reachable=yes --track-origins=yes --gen-suppressions=all --error-exitcode=42 ./simplecpp simplecpp.cpp -e

    - name: Run with libstdc++ debug mode
      if: matrix.os == 'ubuntu-24.04' && matrix.compiler == 'g++'
      run: |
        make clean
        make -j$(nproc) test selfcheck CXXFLAGS="-Werror -g3 -D_GLIBCXX_DEBUG"

    - name: Run with libc++ hardening mode
      if: matrix.os == 'ubuntu-24.04' && matrix.compiler == 'clang++'
      run: |
        make clean
        make -j$(nproc) test selfcheck CXXFLAGS="-Werror -stdlib=libc++ -g3 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG" LDFLAGS="-lc++"

    - name: Run AddressSanitizer
      if: matrix.os == 'ubuntu-24.04'
      run: |
        make clean
        make -j$(nproc) test selfcheck CXXFLAGS="-Werror -O2 -g3 -fsanitize=address" LDFLAGS="-fsanitize=address"
      env:
        ASAN_OPTIONS: detect_stack_use_after_return=1

    - name: Run UndefinedBehaviorSanitizer
      if: matrix.os == 'ubuntu-24.04'
      run: |
        make clean
        make -j$(nproc) test selfcheck CXXFLAGS="-Werror -O2 -g3 -fsanitize=undefined -fno-sanitize=signed-integer-overflow" LDFLAGS="-fsanitize=undefined -fno-sanitize=signed-integer-overflow"

    # TODO: requires instrumented libc++
    - name: Run MemorySanitizer
      if: false && matrix.os == 'ubuntu-24.04' && matrix.compiler == 'clang++'
      run: |
        make clean
        make -j$(nproc) test selfcheck CXXFLAGS="-Werror -O2 -g3 -stdlib=libc++ -fsanitize=memory" LDFLAGS="-lc++ -fsanitize=memory"