# This code is from the SCons wiki: https://github.com/SCons/scons/wiki/LongCmdLinesOnWin32 if env['PLATFORM'] == 'win32': old_spawn = env['SPAWN'] def my_spawn(sh, escape, cmd, args, spawnenv): if ">" in args or "<" in args: # 忽略重定向命令 return old_spawn(...