cpython/.github/workflows/tail-call.yml at main · python/cpython · GitHub

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name: Tail calling interpreter
on:
  pull_request:
    paths: &paths
      - '.github/workflows/tail-call.yml'
      - 'Python/bytecodes.c'
      - 'Python/ceval.c'
      - 'Python/ceval_macros.h'
      - 'Python/generated_cases.c.h'
  push:
    paths: *paths
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  FORCE_COLOR: 1
  LLVM_VERSION: 21

jobs:
  macos:
    name: ${{ matrix.target }}
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-apple-darwin/clang
            runner: macos-26-intel
          - target: aarch64-apple-darwin/clang
            runner: macos-26
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          brew update
          brew install llvm@${{ env.LLVM_VERSION }}
      - name: Build
        run: |
          export SDKROOT="$(xcrun --show-sdk-path)"
          export PATH="/usr/local/opt/llvm@${{ env.LLVM_VERSION }}/bin:$PATH"
          export PATH="/opt/homebrew/opt/llvm@${{ env.LLVM_VERSION }}/bin:$PATH"
          CC=clang-${{ env.LLVM_VERSION }} ./configure --with-tail-call-interp
          make all --jobs 4
      - name: Test
        run: |
          ./python.exe -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3

  linux:
    name: ${{ matrix.target }}
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu/gcc
            runner: ubuntu-24.04
            configure_flags: --with-pydebug
          - target: x86_64-unknown-linux-gnu/gcc-free-threading
            runner: ubuntu-24.04
            configure_flags: --disable-gil
          - target: aarch64-unknown-linux-gnu/gcc
            runner: ubuntu-24.04-arm
            configure_flags: --with-pydebug
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          python-version: '3.11'
      - name: Build
        run: |
          sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" ./llvm.sh ${{ env.LLVM_VERSION }}
          export PATH="$(llvm-config-${{ env.LLVM_VERSION }} --bindir):$PATH"
          CC=clang-${{ env.LLVM_VERSION }} ./configure --with-tail-call-interp ${{ matrix.configure_flags }}
          make all --jobs 4
      - name: Test
        run: |
          ./python -m test --multiprocess 0 --timeout 4500 --verbose2 --verbose3