WennerChen

GCC 8.5.0 release is built with mingw64-9.0.0. In line 233 of x86_64-w64-mingw32/include/_mingw.h, _WIN32_WINNT is defined as 0xa00, which may use api from Windows 10 by default. I want to use...

I would very appreciate of a newer GCC/MinGW-w64 if it runs on Windows 7.

I use no antivirus sw or windows defender. When errors occured, I try again and get some other similar errors. I think some .o file may be compiled by some...

> @WennerChen This should be fixed by #623. @starg2 The problem is solved. Thanks very much.