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PC/pyconfig.h: improve implicit linking code readibility #155995

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Merged
zooba merged 2 commits into from
Aug 18, 2026
+27 −33
Merged

PC/pyconfig.h: improve implicit linking code readibility #155995

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5e846d8
PC/pyconfig.h: improve implicit linking code readibility
Andrej730 Dec 7, 2025
f615ef2
Move all conditions to the top, fix indentation, use `Py_ENABLE_SHARED`
Andrej730 Aug 18, 2026
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60 changes: 27 additions & 33 deletions PC/pyconfig.h
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Original file line number Diff line number Diff line change
Expand Up @@ -317,39 +317,33 @@ Py_NO_ENABLE_SHARED to find out. Also support MS_NO_COREDLL for b/w compat */
/* All windows compilers that use this header support __declspec */
#define HAVE_DECLSPEC_DLL

/* For an MSVC DLL, we can nominate the .lib files used by extensions */
#ifdef MS_COREDLL
# if !defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_BUILTIN)
/* not building the core - must be an ext */
# if defined(_MSC_VER) && !defined(Py_NO_LINK_LIB)
/* So MSVC users need not specify the .lib
file in their Makefile */
/* Define Py_NO_LINK_LIB to build extension disabling pragma
based auto-linking.
This is relevant when using build-system generator (e.g CMake) where
the linking is explicitly handled */
# if defined(Py_GIL_DISABLED)
# if defined(Py_DEBUG)
# pragma comment(lib,"python316t_d.lib")
# elif defined(Py_LIMITED_API) || defined(Py_TARGET_ABI3T)
# pragma comment(lib,"python3t.lib")
# else
# pragma comment(lib,"python316t.lib")
# endif /* Py_DEBUG */
# else /* Py_GIL_DISABLED */
# if defined(Py_DEBUG)
# pragma comment(lib,"python316_d.lib")
# elif defined(Py_TARGET_ABI3T)
# pragma comment(lib,"python3t.lib")
# elif defined(Py_LIMITED_API)
# pragma comment(lib,"python3.lib")
# else
# pragma comment(lib,"python316.lib")
# endif /* Py_DEBUG */
# endif /* Py_GIL_DISABLED */
# endif /* _MSC_VER && !Py_NO_LINK_LIB */
# endif /* Py_BUILD_CORE */
#endif /* MS_COREDLL */
/* Automatic linking of extension python3x.lib files for MSVC DLLs.
This lets MSVC users build extensions without manually specifying .lib files.
Define Py_NO_LINK_LIB to disable this behavior. */
#if !defined(Py_NO_LINK_LIB) \
&& defined(_MSC_VER) && defined(Py_ENABLE_SHARED) \
&& !defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_BUILTIN)
/* not building the core - must be an ext */
# if defined(Py_GIL_DISABLED)
# if defined(Py_DEBUG)
# pragma comment(lib,"python316t_d.lib")
# elif defined(Py_LIMITED_API) || defined(Py_TARGET_ABI3T)
# pragma comment(lib,"python3t.lib")
# else
# pragma comment(lib,"python316t.lib")
# endif /* Py_DEBUG */
# else
# if defined(Py_DEBUG)
# pragma comment(lib,"python316_d.lib")
# elif defined(Py_TARGET_ABI3T)
# pragma comment(lib,"python3t.lib")
# elif defined(Py_LIMITED_API)
# pragma comment(lib,"python3.lib")
# else
# pragma comment(lib,"python316.lib")
# endif /* Py_DEBUG */
# endif /* Py_GIL_DISABLED */
#endif

#ifdef MS_WIN64
/* maintain "win32" sys.platform for backward compatibility of Python code,
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