pyport.h: Add support for MINGW

Co-authored-by: Алексей <[email protected]>

Author: Alexpux

Include/pyport.h

@@ -524,12 +524,12 @@ extern char * _getpty(int *, int, mode_t, int);
 */
 
 /*
-  All windows ports, except cygwin, are handled in PC/pyconfig.h.
+  Only MSVC windows ports is handled in PC/pyconfig.h.
 
-  Cygwin is the only other autoconf platform requiring special
+  Cygwin and Mingw is the only other autoconf platform requiring special
   linkage handling and it uses __declspec().
 */
-#if defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(__MINGW32__)
 #       define HAVE_DECLSPEC_DLL
 #endif
 
@@ -542,21 +542,23 @@ extern char * _getpty(int *, int, mode_t, int);
 #                       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__)
+        /* except for Cygwin/Mingw to handle embedding */
+#                       if defined(__CYGWIN__) || defined(__MINGW32__)
 #                               define PyMODINIT_FUNC Py_EXPORTED_SYMBOL PyObject*
-#                       else /* __CYGWIN__ */
+#                       else /* __CYGWIN__ || __MINGW32__*/
 #                               define PyMODINIT_FUNC PyObject*
-#                       endif /* __CYGWIN__ */
+#                       endif /* __CYGWIN__ || __MINGW32__*/
 #               else /* Py_BUILD_CORE */
         /* Building an extension module, or an embedded situation */
         /* public Python functions and data are imported */
         /* Under Cygwin, auto-import functions to prevent compilation */
         /* failures similar to those described at the bottom of 4.1: */
         /* http://docs.python.org/extending/windows.html#a-cookbook-approach */
-#                       if !defined(__CYGWIN__)
+#                       if defined(__CYGWIN__) || defined(__MINGW32__)
+#                               define PyAPI_FUNC(RTYPE) RTYPE
+#                       else
 #                               define PyAPI_FUNC(RTYPE) Py_IMPORTED_SYMBOL RTYPE
-#                       endif /* !__CYGWIN__ */
+#                       endif /* __CYGWIN__ || __MINGW32__*/
 #                       define PyAPI_DATA(RTYPE) extern Py_IMPORTED_SYMBOL RTYPE
         /* module init functions outside the core must be exported */
 #                       if defined(__cplusplus)