Under windowsxp help build the platform cocos2dx android environment

I want to build cocos2dx environment
on my computerI have now installed the android sdk, jre and adt the

Also need to install ndk, but when installed ndk, saw online that some need cygwin, but they see online, said
ndk-r7 later version do not need cygwin, in the end how to do that, ask for help<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->