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clang-cl on Windows fails to compile after zlib-ng #131521

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clang-cl on Windows fails to compile after zlib-ng#131521
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OS-windowsbuildThe build process and cross-build

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@chris-eibl
chris-eibl
opened on Mar 20, 2025

Since #131438, clang-cl fails to compile, see e.g. the tailcall Windows CI
https://github.com/python/cpython/actions/runs/13967899073/job/39102464260

Discussion started with @zooba in #131438 (comment).

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  1. zooba commented on Mar 20, 2025

    @zooba
    zooba
    on Mar 20, 2025
    Member

    The config files for zlib-ng require CMake to generate, which we don't use as part of our build, so they were generated once for MSVC and added under the PC directory.

    These will probably need tweaking to support clang-cl.

  2. encukou
    added
    OS-windows
    buildThe build process and cross-build
    on Mar 21, 2025
  3. zooba
    added a commit that references this issue on Mar 24, 2025

    GH-131521: Uses correct build flags for zlib-ng on Windows (GH-131526)

    d16f455
  4. chris-eibl
    changed the title [-]clang-cl on Windows fails to compile after 131438[/-] [+]clang-cl on Windows fails to compile after zlib-ng[/+] on Mar 25, 2025
  5. chris-eibl
    closed this as completedon Mar 25, 2025
  6. diegorusso
    added a commit that references this issue on Apr 1, 2025

    pythonGH-131521: Uses correct build flags for zlib-ng on Windows (pyt…

    64dac61
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