gh-85283: If Py_LIMITED_API is defined, undefine Py_BUILD_CORE #110725
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If the Py_LIMITED_API macro is defined, Py_BUILD_CORE, Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE macros are now undefined by Python.h. Only undefine these 3 macros after including "exports.h" which uses them to define PyAPI_FUNC(), PyAPI_DATA() and PyMODINIT_FUNC macros.
vstinner force-pushed the limited_api_build_core branch from 097c71b to 105fce1 Compare 
Glyphack pushed a commit to Glyphack/cpython that referenced this pull request Sep 2, 2024
…ython#110725) If the Py_LIMITED_API macro is defined, Py_BUILD_CORE, Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE macros are now undefined by Python.h. Only undefine these 3 macros after including "exports.h" which uses them to define PyAPI_FUNC(), PyAPI_DATA() and PyMODINIT_FUNC macros. Remove hacks (undefine manually the 3 Py_BUILD_CORE macros) in Modules/_testcapi/parts.h and Modules/_testclinic_limited.c.
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If the Py_LIMITED_API macro is defined, Py_BUILD_CORE, Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE macros are now undefined by Python.h.
Only undefine these 3 macros after including "exports.h" which uses them to define PyAPI_FUNC(), PyAPI_DATA() and PyMODINIT_FUNC macros.
📚 Documentation preview 📚: https://cpython-previews--110725.org.readthedocs.build/