Tonado 工程在做Dependencies的时候出现如下错误：

dependency generation failed: AllocationBase 0x61410000, BaseAddress 0x614E0000, RegionSize 0x54000, State 0x1000
C:\Tornado2.2\host\x86-win32\bin\ccpentium.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 487

把整个host目录替换成新的也不行，不知怎么解决？