pyswarm/.github/workflows/build.yml at master · eggzec/pyswarm · GitHub

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name: Build

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

  schedule:
    - cron: "0 0 * * 0"  # Runs every Sunday at midnight UTC

  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  build:
    name: Build wheels (${{ matrix.os }})
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: true
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
          # Pinned: Homebrew bottles on macos-latest (macOS 26) carry
          # minos 26.0, which delocate rejects against the 15.0 wheel
          # target below. Keep this image and MACOSX_DEPLOYMENT_TARGET
          # in sync if either changes.
          - macos-15

    steps:
      - name: Checkout source
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v7
        with:
          python-version: "3.12"

      - name: Install gfortran (macOS)
        if: runner.os == 'macOS'
        run: |
          brew install gcc || brew link --overwrite gcc
          echo "$(brew --prefix gcc)/bin" >> "$GITHUB_PATH"
          "$(brew --prefix gcc)/bin/gfortran" --version

      - name: Install MinGW via Chocolatey (Windows)
        if: runner.os == 'Windows'
        run: |
          choco install -y mingw
          $paths = @(
            'C:\\ProgramData\\mingw64\\mingw64\\bin',
            'C:\\ProgramData\\chocolatey\\lib\\mingw\\tools\\install\\mingw64\\bin',
            'C:\\tools\\mingw64\\bin',
            'C:\\ProgramData\\chocolatey\\bin'
          )
          foreach ($p in $paths) { if (Test-Path $p) { echo $p >> $env:GITHUB_PATH; Write-Host "Added $p to PATH" } }

      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install numpy cibuildwheel

      - name: Build wheels
        run: python -m cibuildwheel --output-dir wheels
        env:
          CIBW_ARCHS_LINUX: x86_64
          CIBW_ARCHS_MACOS: arm64
          CIBW_ARCHS_WINDOWS: AMD64
          CIBW_ENVIRONMENT_MACOS: "PATH=/opt/homebrew/bin:$PATH MACOSX_DEPLOYMENT_TARGET=15.0"

      - name: Debug Windows native deps
        if: failure() && runner.os == 'Windows'
        shell: pwsh
        run: |
          Write-Host 'PATH:'
          Write-Host $env:PATH

          foreach ($cmd in @('gcc', 'gfortran', 'objdump')) {
            try {
              Write-Host "Command: $cmd"
              Get-Command $cmd -ErrorAction Stop | Format-List *
            } catch {
              Write-Host "Missing command: $cmd"
            }
          }

          $pyds = Get-ChildItem -Path . -Recurse -Filter '*.pyd' -ErrorAction SilentlyContinue
          foreach ($pyd in $pyds) {
            Write-Host "Inspecting $($pyd.FullName)"
            try {
              & objdump -p $pyd.FullName | Select-String 'DLL Name|Name:|ImageBase|Subsystem'
            } catch {
              Write-Host "objdump failed for $($pyd.FullName)"
            }
          }

      - name: Upload wheels
        uses: actions/upload-artifact@v7
        with:
          name: wheels-${{ matrix.os }}
          path: wheels/*.whl