uc2/.github/workflows/build.yml

name: Build

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { os: ubuntu-latest,  name: Linux }
          - { os: macos-latest,   name: macOS }
          - { os: windows-latest, name: Windows (MSVC) }
    runs-on: ${{ matrix.os }}
    name: ${{ matrix.name }}
    steps:
      - uses: actions/checkout@v4
      - name: Lint -- forbid assert(side-effect)
        if: runner.os == 'Linux'
        run: python3 tests/scripts/check_assert_side_effects.py
      - name: Configure
        run: cmake -B build -DCMAKE_BUILD_TYPE=Release
      - name: Build
        run: cmake --build build --config Release
      - name: Smoke test (Unix)
        if: runner.os != 'Windows'
        run: ./build/cli/uc2 -h
      - name: Smoke test (Windows)
        if: runner.os == 'Windows'
        run: .\build\cli\Release\uc2.exe -h
      - name: Test
        run: ctest --test-dir build --output-on-failure -C Release

  libarchive:
    runs-on: ubuntu-latest
    name: libarchive plugin
    env:
      LIBARCHIVE_VERSION: 3.7.7
      LIBARCHIVE_SHA256: 4cc540a3e9a1eebdefa1045d2e4184831100667e6d7d5b315bb1cbc951f8ddff
    steps:
      - uses: actions/checkout@v4
      - name: Fetch libarchive source
        run: |
          curl -fsSLO "https://github.com/libarchive/libarchive/releases/download/v${LIBARCHIVE_VERSION}/libarchive-${LIBARCHIVE_VERSION}.tar.gz"
          echo "${LIBARCHIVE_SHA256}  libarchive-${LIBARCHIVE_VERSION}.tar.gz" | sha256sum -c -
          tar xzf "libarchive-${LIBARCHIVE_VERSION}.tar.gz"
      - name: Build libarchive static (dependency-free)
        run: |
          cmake -S "libarchive-${LIBARCHIVE_VERSION}" -B larch-build \
            -DCMAKE_BUILD_TYPE=Release -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
            -DBUILD_SHARED_LIBS=OFF -DENABLE_TEST=OFF -DENABLE_TAR=OFF \
            -DENABLE_CPIO=OFF -DENABLE_CAT=OFF -DENABLE_UNZIP=OFF \
            -DENABLE_WERROR=OFF -DENABLE_ZLIB=OFF -DENABLE_BZip2=OFF \
            -DENABLE_LZMA=OFF -DENABLE_ZSTD=OFF -DENABLE_LZ4=OFF \
            -DENABLE_LIBXML2=OFF -DENABLE_EXPAT=OFF -DENABLE_OPENSSL=OFF \
            -DENABLE_LIBB2=OFF -DENABLE_ICONV=OFF -DENABLE_ACL=OFF \
            -DENABLE_XATTR=OFF -DENABLE_CNG=OFF -DENABLE_MBEDTLS=OFF \
            -DENABLE_NETTLE=OFF -DENABLE_PCREPOSIX=OFF -DENABLE_PCRE2POSIX=OFF
          cmake --build larch-build --target archive_static -j
      - name: Configure UC2 with libarchive plugin
        run: |
          cmake -B build -DCMAKE_BUILD_TYPE=Release \
            -DUC2_BUILD_LIBARCHIVE_PLUGIN=ON \
            -DLIBARCHIVE_SOURCE_DIR="$PWD/libarchive-${LIBARCHIVE_VERSION}" \
            -DLIBARCHIVE_LIBRARY="$PWD/larch-build/libarchive/libarchive.a"
      - name: Build
        run: cmake --build build -j
      - name: Round-trip test
        run: ctest --test-dir build --output-on-failure -R libarchive_roundtrip

  djgpp:
    runs-on: ubuntu-latest
    name: DOS (DJGPP)
    env:
      DJGPP_URL: https://github.com/andrewwutw/build-djgpp/releases/download/v3.4/djgpp-linux64-gcc1220.tar.bz2
      DJGPP_SHA256: 8464f17017d6ab1b2bb2df4ed82357b5bf692e6e2b7fee37e315638f3d505f00
      # Keep host include dirs out of the cross-compiler's search path in
      # every step (the toolchain file also forces -nostdinc, but a stray
      # CPATH on the runner would otherwise leak glibc headers).
      CPATH: ''
      CPLUS_INCLUDE_PATH: ''
    steps:
      - uses: actions/checkout@v4
      - name: Install DJGPP cross-toolchain
        run: |
          # The prebuilt DJGPP binutils (ar, ld) are linked against the
          # flex runtime; install it so they load on a clean runner.
          sudo apt-get update
          sudo apt-get install -y libfl2
          curl -fsSL -o djgpp.tar.bz2 "$DJGPP_URL"
          echo "${DJGPP_SHA256}  djgpp.tar.bz2" | sha256sum -c -
          sudo tar xjf djgpp.tar.bz2 -C /opt     # -> /opt/djgpp
      - name: Configure (DJGPP toolchain)
        run: |
          cmake -B build-dos \
            -DCMAKE_TOOLCHAIN_FILE=cmake/djgpp.cmake \
            -DDJGPP_ROOT=/opt/djgpp -DCMAKE_BUILD_TYPE=Release
      - name: Build
        run: cmake --build build-dos -j
      - name: Verify DOS executable
        run: |
          file build-dos/cli/uc2.exe
          file build-dos/cli/uc2.exe | grep -q "DJGPP go32 DOS extender" \
            || { echo "uc2.exe is not a DJGPP DOS executable"; exit 1; }