join ConsoleIO.o ConsoleUtils.o CreateTask.o to t:Extras1.lib
join CRT.o DeadKeyConvert.o ExecIOUtils.o  to t:Extras2.lib
join SameName.o TimerUtils.o DoubleBuffer.o to t:Extras3.lib
join t:Extras1.lib t:Extras2.lib t:Extras3.lib to Extras.lib
delete t:Extras(1|2|3).lib