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GeezerVison is showing github.com — Improve the tail calling CI · Issue #132132 · python/cpython

Improve the tail calling CI #132132

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Improve the tail calling CI#132132
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infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.type-featureA feature request or enhancementA feature request or enhancement

Description

@Fidget-Spinner
Fidget-Spinner
opened on Apr 5, 2025
Issue body actions

Feature or enhancement

Proposal:

Soon enough, MSVC's clang-cl will be new enough to support tail calling. Xcode clang already supports tail calling. We should thus remove the chocolatey/brew installation to save CI resources in the near future. GCC 15 also supports tail calling, and that will come with Ubuntu 25.04.

I propose to do this in a month, so that we give the CI time to get the newest tools.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

Linked PRs

  • gh-132132 CI: Remove Chocolatey and Homebrew LLVM/Clang installation for Windows and macOS runners #143357
  • gh-132132: Upgrade to VS 2026 on Windows tailcall CI #144516
  • gh-132132: Upgrade to VS 2026 on Windows tailcall CI #144544

Activity

  1. Fidget-Spinner
    added
    infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.
    type-featureA feature request or enhancementA feature request or enhancement
    on Apr 5, 2025
  2. Fidget-Spinner
    added a commit that references this issue on Apr 5, 2025

    gh-132132: Upgrade LLVM on tail calling CI (GH-132098)

    92fb949
  3. Aniketsy commented on Jan 2, 2026

    @Aniketsy
    Aniketsy
    on Jan 2, 2026
    Contributor
    More actions

    @Fidget-Spinner would it be okay to proceed with removing the Chocolatey/brew installation to save CI resources? Happy to open a follow up PR once you confirm.

  4. Fidget-Spinner commented on Jan 2, 2026

    @Fidget-Spinner
    Fidget-Spinner
    on Jan 2, 2026
    MemberAuthor
    More actions

    @Aniketsy you can try doing it for the Windows and macOS runners.

    Reacted by Aniket
  5. Fidget-Spinner
    added a commit that references this issue on Feb 6, 2026

    gh-132132: Upgrade to VS 2026 on Windows tailcall CI (GH-144544)

    25e99b3
  6. thunder-coding
    added a commit that references this issue on Feb 15, 2026

    pythongh-132132: Upgrade to VS 2026 on Windows tailcall CI (pythonGH-…

    872e55e
  7. ljfp
    added a commit that references this issue on Apr 25, 2026

    pythongh-132132: Upgrade to VS 2026 on Windows tailcall CI (pythonGH-…

    0361e81
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