mingw-w64.yml

name: MinGW-w64 CI

on: [push, pull_request]

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

env:
  SPEC_SPLIT_DOTS: 160

jobs:
  x86_64-mingw-w64-cross-compile:
    runs-on: ubuntu-24.04
    steps:
      - name: Download Crystal source
        uses: actions/checkout@v4

      - name: Install LLVM
        run: |
          _llvm_major=$(wget -qO- https://raw.githubusercontent.com/msys2/MINGW-packages/refs/heads/master/mingw-w64-llvm/PKGBUILD | grep '_version=' | sed -E 's/_version=([0-9]+).*/\1/')
          sudo apt remove 'llvm-*' 'libllvm*'
          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
          sudo apt-add-repository -y deb http://apt.llvm.org/noble/ llvm-toolchain-noble-${_llvm_major} main
          sudo apt install -y llvm-${_llvm_major}-dev

      - name: Install Crystal
        uses: crystal-lang/install-crystal@v1
        with:
          crystal: "1.14.0"

      - name: Cross-compile Crystal
        run: make && make -B target=x86_64-windows-gnu release=1 interpreter=1

      - name: Upload crystal.obj
        uses: actions/upload-artifact@v4
        with:
          name: x86_64-mingw-w64-crystal-obj
          path: .build/crystal.obj

  x86_64-mingw-w64-link:
    runs-on: windows-2022
    needs: [x86_64-mingw-w64-cross-compile]
    steps:
      - name: Setup MSYS2
        id: msys2
        uses: msys2/setup-msys2@ddf331adaebd714795f1042345e6ca57bd66cea8 # v2.24.1
        with:
          msystem: UCRT64
          update: true
          install: >-
            make
            mingw-w64-ucrt-x86_64-pkgconf
            mingw-w64-ucrt-x86_64-cc
            mingw-w64-ucrt-x86_64-gc
            mingw-w64-ucrt-x86_64-pcre2
            mingw-w64-ucrt-x86_64-libiconv
            mingw-w64-ucrt-x86_64-zlib
            mingw-w64-ucrt-x86_64-llvm
            mingw-w64-ucrt-x86_64-libffi

      - name: Disable CRLF line ending substitution
        run: |
          git config --global core.autocrlf false

      - name: Download Crystal source
        uses: actions/checkout@v4

      - name: Download crystal.obj
        uses: actions/download-artifact@v4
        with:
          name: x86_64-mingw-w64-crystal-obj

      - name: Link Crystal executable
        shell: msys2 {0}
        run: |
          mkdir .build
          cc crystal.obj -o .build/crystal.exe -municode \
            $(pkg-config bdw-gc libpcre2-8 iconv zlib libffi --libs) \
            $(llvm-config --libs --system-libs --ldflags) \
            -lole32 -lWS2_32 -Wl,--stack,0x800000

      - name: Package Crystal
        shell: msys2 {0}
        run: |
          make install install_dlls deref_symlinks=1 PREFIX="$(pwd)/crystal"

      - name: Upload Crystal executable
        uses: actions/upload-artifact@v4
        with:
          name: x86_64-mingw-w64-crystal
          path: crystal

  x86_64-mingw-w64-test:
    runs-on: windows-2022
    needs: [x86_64-mingw-w64-link]
    steps:
      - name: Setup MSYS2
        id: msys2
        uses: msys2/setup-msys2@ddf331adaebd714795f1042345e6ca57bd66cea8 # v2.24.1
        with:
          msystem: UCRT64
          update: true
          install: >-
            git
            make
            mingw-w64-ucrt-x86_64-pkgconf
            mingw-w64-ucrt-x86_64-cc
            mingw-w64-ucrt-x86_64-gc
            mingw-w64-ucrt-x86_64-pcre2
            mingw-w64-ucrt-x86_64-libiconv
            mingw-w64-ucrt-x86_64-zlib
            mingw-w64-ucrt-x86_64-llvm
            mingw-w64-ucrt-x86_64-gmp
            mingw-w64-ucrt-x86_64-libxml2
            mingw-w64-ucrt-x86_64-libyaml
            mingw-w64-ucrt-x86_64-openssl
            mingw-w64-ucrt-x86_64-libffi

      - name: Disable CRLF line ending substitution
        run: |
          git config --global core.autocrlf false

      - name: Download Crystal source
        uses: actions/checkout@v4

      - name: Download Crystal executable
        uses: actions/download-artifact@v4
        with:
          name: x86_64-mingw-w64-crystal
          path: crystal

      - name: Run stdlib specs
        shell: msys2 {0}
        run: |
          export PATH="$(pwd)/crystal/bin:$PATH"
          export CRYSTAL_SPEC_COMPILER_BIN="$(pwd)/crystal/bin/crystal.exe"
          make std_spec

      - name: Run compiler specs
        shell: msys2 {0}
        run: |
          export PATH="$(pwd)/crystal/bin:$PATH"
          export CRYSTAL_SPEC_COMPILER_BIN="$(pwd)/crystal/bin/crystal.exe"
          make compiler_spec

      - name: Run interpreter specs
        shell: msys2 {0}
        run: |
          export PATH="$(pwd)/crystal/bin:$PATH"
          export CRYSTAL_SPEC_COMPILER_BIN="$(pwd)/crystal/bin/crystal.exe"
          make interpreter_spec

      - name: Run primitives specs
        shell: msys2 {0}
        run: |
          export PATH="$(pwd)/crystal/bin:$PATH"
          export CRYSTAL_SPEC_COMPILER_BIN="$(pwd)/crystal/bin/crystal.exe"
          make -o .build/crystal.exe primitives_spec # we know the compiler is fresh; do not rebuild it here