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Set Py_GIL_DISABLED=1 for free threaded Python on Windows #310

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Set Py_GIL_DISABLED=1 for free threaded Python on Windows #310

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Commits on Nov 1, 2024

  1. Set Py_GIL_DISABLED=1 for free threading on Windows 

    When free threaded CPython is installed from the official Windows
installer it doesn't have the macro `Py_GIL_DISABLED` properly set
becuase its `pyconfig.h` file is shared across the co-installed default
build.

Define the macro when building free threaded Python extensions on
Windows so that each individual C API extension doesn't have to work
around this limitation.

See pypa/setuptools#4662
    @colesbury
    colesbury committed Nov 1, 2024
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  2. Link to setuptools issue

    @colesbury
    colesbury committed Nov 1, 2024
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