build_kernel_macos.yaml

name: "Build and test kernel (macOS)"
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened] # trigger on PRs
  workflow_dispatch:

jobs:
  build:
    name: Build kernel
    runs-on: macos-26
    steps:
      - name: "Select Xcode"
        run: sudo xcrun xcode-select -s /Applications/Xcode_26.0.app
      - name: "Install Metal Toolchain"
        run: xcodebuild -downloadComponent metalToolchain
      - uses: actions/checkout@v6
      - uses: cachix/install-nix-action@v31
      - uses: cachix/cachix-action@v16
        with:
          name: huggingface
          #authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
      # For now we only test that there are no regressions in building macOS
      # kernels. Also run tests once we have a macOS runner.
      - name: Build relu kernel
        run: ( cd builder/examples/relu && nix build .\#redistributable.torch29-metal-aarch64-darwin -L )

      - name: Build relu metal cpp kernel
        run: ( cd builder/examples/relu-metal-cpp && nix build .\#redistributable.torch29-metal-aarch64-darwin -L )