Add libpython run dependency for Python 3.14 on Windows - #262
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conda-forge python-feedstock moved python*.dll out of the python package into the separate libpython package for Python 3.14+ on Windows. The extension modules link python314.dll, so libpython must be declared in run, scoped to [win and py>=314].
antonwolfy
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jharlow-intel,
ndgrigorian,
vlad-perevezentsev and
xaleryb
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August 30, 2026 19:17
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Not needed as it was resolved in the python feedstock |
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Summary
Adds
libpython # [win and py>=314]to therunrequirements inconda-recipe-cf/meta.yaml.Background
conda-forge python-feedstock PR #894 split the shared Python library into a separate
libpythonoutput, and PR #907 relocatedpython*.dllfrom thepythonpackage intolibpythonon Windows for Python 3.14+.The
_ufuncs/_patch_numpyextension modules linkpython314.dll(unavoidable on Windows), and neither thepythonnorlibpythonoutput carries a run-export that credits it, solibpythonmust be declared explicitly. Without it the conda build fails the overlinking check onwin_64_python3.14.Scoped to
[win and py>=314]: thelibpythonshared-library output exists only for Python 3.14+; on 3.13 and earlierpython313.dllis still shipped inside thepythonpackage, so those builds are unaffected.This mirrors the corresponding conda-forge feedstock change (conda-forge/mkl_umath-feedstock#4).