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gh-146636: Improve ABI/feature selection, add new header for it #148302

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Merged
encukou merged 11 commits into from
Apr 23, 2026
Merged

gh-146636: Improve ABI/feature selection, add new header for it #148302

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1116e1e
gh-146636: abi3t: Test that Python.h avoids checking Py_GIL_DISABLED
encukou Apr 5, 2026
4581298
Move ABI/feature selection macros to their own header
encukou Apr 9, 2026
e1b7500
Update check for <intrin.h>
encukou Apr 9, 2026
247bd46
Typo
encukou Apr 9, 2026
7835449
Move Py_BUILD_CORE undefines, and include exports.h directly from Pyt…
encukou Apr 9, 2026
2ad80d8
Comments
encukou Apr 9, 2026
7c9d920
Apply suggestions from code review
encukou Apr 10, 2026
38950b8
Merge in the main branch
encukou Apr 17, 2026
c477a14
Don't poison on clang
encukou Apr 17, 2026
05e7c90
Error out if _Py_OPAQUE_PYOBJECT is defined by user
encukou Apr 17, 2026
72b1637
Require version in Py_LIMITED_API & Py_TARGET_ABI3T
encukou Apr 17, 2026
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Update check for <intrin.h>
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@encukou
encukou committed Apr 9, 2026
commit e1b750050381e418ff1f85bc104d35b72ae69b92
12 changes: 5 additions & 7 deletions Include/Python.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,13 +47,11 @@
# endif
#endif

#if defined(Py_GIL_DISABLED)
# if defined(_MSC_VER)
# include <intrin.h> // __readgsqword()
# endif

# if defined(__MINGW32__)
# include <intrin.h> // __readgsqword()
#if !defined(Py_LIMITED_API)
# if defined(Py_GIL_DISABLED)
# if defined(_MSC_VER) || defined(__MINGW32__)
# include <intrin.h> // __readgsqword()
# endif
# endif
#endif // Py_GIL_DISABLED

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/C_API/2026-04-09-14-45-44.gh-issue-148267.p84kG_.rst
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@@ -0,0 +1,2 @@
Using :c:macro:`Py_LIMITED_API` on a non-Windows free-threaded build no
longer needs an extra :c:macro:`Py_GIL_DISABLED`.