With сorrect comments:
CHANGE:
#ifdef TCP_KEEPCNT
PyModule_AddIntMacro(m, TCP_KEEPCNT);
#endif
TO:
#ifdef TCP_KEEPCNT
#if defined(_MSC_VER) && _MSC_VER >= 1800
if (IsWindows10CreatorsOrGreater()) { //Windows 10 1703(Build:15063 )
PyModule_AddIntMacro(m, TCP_KEEPCNT);
}
#endif
#endif
AND CHANGE:
#ifdef TCP_FASTOPEN
PyModule_AddIntMacro(m, TCP_FASTOPEN);
#endif
TO:
#ifdef TCP_FASTOPEN
#if defined(_MSC_VER) && _MSC_VER >= 1800
if (IsWindows10AnniversaryOrGreater()) { //Windows 10 1607(Build: 14393)
PyModule_AddIntMacro(m, TCP_FASTOPEN);
}
#endif
#endif