patch 8.2.4316: __CYGWIN32__ is not defined on 64 bit systems Commit: https://github.com/vim/vim/commit/b247e0622ef16b7819f5dadefd3e3f0a803b4021 Author: K.Takata <kentkt@csc.jp> Date: Mon Feb 7 10:45:23 2022 +0000 patch 8.2.4316: __CYGWIN32__ is not defined on 64 bit systems Problem: __CYGWIN32__ is not defined on 64 bit systems. Solution: Update #ifdefs. (Ken Takata, closes https://github.com/vim/vim/issues/9709)

@echo off
rem To be used on MS-Windows for Msys2 with the 64 bit MinGW compiler.
rem Adjust the "c:\msys64" part to match your installation.
@echo on

set PATH=c:\msys64\mingw64\bin;c:\msys64\usr\bin;%PATH%