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gh-143353: Add macros for annotating functions with constexpr, consteval, and constinit #143354

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gh-143353: Add macros for annotating functions with constexpr, consteval, and constinit #143354

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49cc2f8
Add definitions for PY_CXX_CONSTEXPR, PY_CXX_CONSTEVAL, and PY_CXX_CO…
clin1234 Jan 2, 2026
30b7247
Add another definition of Py_DEPRECATED using the [[deprecated]] attr…
clin1234 Jan 2, 2026
2c9e8a3
📜🤖 Added by blurb_it.
blurb-it[bot] Jan 2, 2026
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26 changes: 26 additions & 0 deletions Include/pyport.h
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Original file line number Diff line number Diff line change
Expand Up @@ -282,6 +282,8 @@ extern "C" {
#elif defined(_MSC_VER)
#define Py_DEPRECATED(VERSION) __declspec(deprecated( \
"deprecated in " #VERSION))
#elif __STDC_VERSION__ >= 202311L || __cplusplus >= 201402L
#define Py_DEPRECATED(VERSION) [[deprecated("Deprecated in "#VERSION)]]
#else
#define Py_DEPRECATED(VERSION_UNUSED)
#endif
Expand Down Expand Up @@ -642,6 +644,30 @@ extern "C" {
# endif
#endif

#ifndef PY_CXX_CONSTEXPR
# if defined(__cplusplus) || __STDC_VERSION__ >= 202311L
# define PY_CXX_CONSTEXPR constexpr
# else
# define PY_CXX_CONSTEXPR
# endif
#endif

#ifndef PY_CXX_CONSTEVAL
# ifdef __cpp_consteval
# define PY_CXX_CONSTEVAL consteval
# else
# define PY_CXX_CONSTEVAL
# endif
#endif

#ifndef PY_CXX_CONSTINIT
# ifdef __cpp_constinit
# define PY_CXX_CONSTINIT constinit
# else
# define PY_CXX_CONSTINIT
# endif
#endif

#if defined(__sgi) && !defined(_SGI_MP_SOURCE)
# define _SGI_MP_SOURCE
#endif
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/C_API/2026-01-02-13-46-01.gh-issue-143353.Hy-0xm.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Add macros for annotating functions with constexpr, consteval, and constinit
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