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Guard _Py_FFI_SUPPORT_C_COMPLEX for complex check in ctypes #148967

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Guard _Py_FFI_SUPPORT_C_COMPLEX for complex check in ctypes#148967
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3.14bugs and security fixes3.15bugs and security fixesextension-modulesC modules in the Modules dirtopic-ctypestype-bugAn unexpected behavior, bug, or error

Description

@sunmy2019
sunmy2019
opened on Apr 24, 2026

Bug report

Bug description:

RHEL8 ships a libffi 3.1 which does not support complex types. _Py_FFI_SUPPORT_C_COMPLEX is not checked.

https://buildbot.python.org/#/builders/164/builds/2127

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

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Activity

  1. sunmy2019
    added
    type-bugAn unexpected behavior, bug, or error
    extension-modulesC modules in the Modules dir
    3.14bugs and security fixes
    3.15bugs and security fixes
    on Apr 24, 2026
  2. StanFromIreland
    added
    topic-ctypes
    on Apr 24, 2026
  3. sunmy2019
    added a commit that references this issue on Apr 24, 2026

    Merge branch 'main' into pythongh-148967

    6d85124
  4. encukou
    added 2 commits that reference this issue on May 1, 2026

    gh-148967: Fix FFI type pointer handling for C complex support in set…

    f2c7c0d

    [3.14] gh-148967: Fix FFI type pointer handling for C complex support…

    5ec845a
  5. encukou
    closed this as completedon May 1, 2026
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    3.14bugs and security fixes3.15bugs and security fixesextension-modulesC modules in the Modules dirtopic-ctypestype-bugAn unexpected behavior, bug, or error

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