wheels.yml

name: Build Wheels
on: [workflow_dispatch, workflow_call]
jobs:
  build_wheels:
    name: Build wheel on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-26.04, ubuntu-26.04-arm, macos-26-intel, macos-26,
             windows-2025]
        msystem: [ucrt64]
        menv: [ucrt-x86_64]
        include:
          - os: windows-11-vs2026-arm
            msystem: clangarm64
            menv: clang-aarch64
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
      - uses: msys2/setup-msys2@v2
        name: Setup msys2
        with:
          install: >-
            mingw-w64-${{ matrix.menv }}-binutils
            mingw-w64-${{ matrix.menv }}-gcc
            mingw-w64-${{ matrix.menv }}-tools
            diffutils
            m4
            make
            patch
            autotools
            autoconf-archive
          msystem: ${{ matrix.msystem }}
        if: ${{ startsWith(matrix.os, 'windows') }}
      # Install pkgconfig on Windows from choco rather than from msys and
      # avoid using the Strawberry one.
      - run: choco install -y --stoponfirstfailure --checksum 6004DF17818F5A6DBF19CB335CC92702 pkgconfiglite
        if: ${{ startsWith( matrix.os , 'windows' ) }}
      # We have to set this here rather than in the cibuildwheel config
      # This is probably something to do with \ vs / in paths...
      - run: echo "PKG_CONFIG_PATH=${{ github.workspace }}/.local/lib/pkgconfig" >> $env:GITHUB_ENV
        if: ${{ startsWith(matrix.os, 'windows') }}
      - name: Build wheels
        uses: pypa/cibuildwheel@v4.3.5
      - uses: actions/upload-artifact@v7
        with:
          name: wheels-${{ matrix.os }}
          path: ./wheelhouse/
  merge:
    runs-on: ubuntu-26.04
    needs: build_wheels
    steps:
      - name: Merge Wheels
        uses: actions/upload-artifact/merge@v7
        with:
          name: python-gmp-wheels
          pattern: wheels-*
          delete-merged: true