build.yml

name: Build

# Checks that it compiles on every push / PR to main.
# Stable Ubuntu i686-w64-mingw32 cross-compiler (the windows-runner msys2 ships a
# bleeding-edge gcc that fails to static-link).
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install 32-bit MinGW
        run: |
          sudo apt-get update
          sudo apt-get install -y g++-mingw-w64-i686 cmake
          sudo update-alternatives --set i686-w64-mingw32-gcc /usr/bin/i686-w64-mingw32-gcc-posix || true
          sudo update-alternatives --set i686-w64-mingw32-g++ /usr/bin/i686-w64-mingw32-g++-posix || true

      - name: Build
        run: |
          cmake -S . -B build \
            -DCMAKE_SYSTEM_NAME=Windows \
            -DCMAKE_C_COMPILER=i686-w64-mingw32-gcc \
            -DCMAKE_CXX_COMPILER=i686-w64-mingw32-g++ \
            -DCMAKE_RC_COMPILER=i686-w64-mingw32-windres
          cmake --build build --target mss32 -j
          test -f build/mss32.dll

      - uses: actions/upload-artifact@v4
        with:
          name: mss32-dev
          path: build/mss32.dll