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bpo-11410: Standardize and use symbol visibility attributes across POSIX and Windows. (GH-16347)

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Vinay Sajip 2019-10-15 08:26:12 +01:00 • committed by GitHub
parent 4d202281c1
commit 0b60f64e43
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12 changed files with 132 additions and 35 deletions
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24
Include/pyport.h
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@ -638,16 +638,18 @@ extern char * _getpty(int *, int, mode_t, int);
# define HAVE_DECLSPEC_DLL
#endif
#include "exports.h"
/* only get special linkage if built as shared or platform is Cygwin */
#if defined(Py_ENABLE_SHARED) || defined(__CYGWIN__)
# if defined(HAVE_DECLSPEC_DLL)
# if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
# define PyAPI_FUNC(RTYPE) __declspec(dllexport) RTYPE
# define PyAPI_DATA(RTYPE) extern __declspec(dllexport) RTYPE
# define PyAPI_FUNC(RTYPE) Py_EXPORTED_SYMBOL RTYPE
# define PyAPI_DATA(RTYPE) extern Py_EXPORTED_SYMBOL RTYPE
/* module init functions inside the core need no external linkage */
/* except for Cygwin to handle embedding */
# if defined(__CYGWIN__)
# define PyMODINIT_FUNC __declspec(dllexport) PyObject*
# define PyMODINIT_FUNC Py_EXPORTED_SYMBOL PyObject*
# else /* __CYGWIN__ */
# define PyMODINIT_FUNC PyObject*
# endif /* __CYGWIN__ */
@ -658,14 +660,14 @@ extern char * _getpty(int *, int, mode_t, int);
/* failures similar to those described at the bottom of 4.1: */
/* http://docs.python.org/extending/windows.html#a-cookbook-approach */
# if !defined(__CYGWIN__)
# define PyAPI_FUNC(RTYPE) __declspec(dllimport) RTYPE
# define PyAPI_FUNC(RTYPE) Py_IMPORTED_SYMBOL RTYPE
# endif /* !__CYGWIN__ */
# define PyAPI_DATA(RTYPE) extern __declspec(dllimport) RTYPE
# define PyAPI_DATA(RTYPE) extern Py_IMPORTED_SYMBOL RTYPE
/* module init functions outside the core must be exported */
# if defined(__cplusplus)
# define PyMODINIT_FUNC extern "C" __declspec(dllexport) PyObject*
# define PyMODINIT_FUNC extern "C" Py_EXPORTED_SYMBOL PyObject*
# else /* __cplusplus */
# define PyMODINIT_FUNC __declspec(dllexport) PyObject*
# define PyMODINIT_FUNC Py_EXPORTED_SYMBOL PyObject*
# endif /* __cplusplus */
# endif /* Py_BUILD_CORE */
# endif /* HAVE_DECLSPEC_DLL */
@ -673,16 +675,16 @@ extern char * _getpty(int *, int, mode_t, int);
/* If no external linkage macros defined by now, create defaults */
#ifndef PyAPI_FUNC
# define PyAPI_FUNC(RTYPE) RTYPE
# define PyAPI_FUNC(RTYPE) Py_EXPORTED_SYMBOL RTYPE
#endif
#ifndef PyAPI_DATA
# define PyAPI_DATA(RTYPE) extern RTYPE
# define PyAPI_DATA(RTYPE) extern Py_EXPORTED_SYMBOL RTYPE
#endif
#ifndef PyMODINIT_FUNC
# if defined(__cplusplus)
# define PyMODINIT_FUNC extern "C" PyObject*
# define PyMODINIT_FUNC extern "C" Py_EXPORTED_SYMBOL PyObject*
# else /* __cplusplus */
# define PyMODINIT_FUNC PyObject*
# define PyMODINIT_FUNC Py_EXPORTED_SYMBOL PyObject*
# endif /* __cplusplus */
#endif