我在编译Android2.3 和4.0时都出现了下面的错误，哪位大侠给看看，怎么处理呀，谢谢了！
target Dex: core-hostdex
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
make: *** [out/host/common/obj/JAVA_LIBRARIES/core-hostdex_intermediates/classes.dex] Error 1
make: *** Waiting for unfinished jobs....
