最后出现这样的问题了：
**** Build of configuration Default for project HelloWorld ****
C:\cygwin64\bin\bash E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh
cygwin warning:
MS-DOS style path detected: E:\java-android\cocos2d-x-2.2.2\cocos2d-x-2.2.2\projects\HelloWorld\proj.android
Preferred POSIX equivalent is: /cygdrive/e/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android
CYGWIN environment variable option “nodosfilewarning” turns off this warning.
Consult the user’s guide for more details about POSIX paths:
http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 38: dirname: command not found
NDK_ROOT = /cygdrive/e/java-android/android-ndk-r9c/android-ndk-r9c
COCOS2DX_ROOT = E:\java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/…/…/…
APP_ROOT = E:\java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/…
APP_ANDROID_ROOT = E:\java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 51: rm: command not found
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 54: mkdir: command not found
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 64: cp: command not found
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 64: cp: command not found
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 64: cp: command not found
E:/java-android/cocos2d-x-2.2.2/cocos2d-x-2.2.2/projects/HelloWorld/proj.android/build_native.sh: line 60: cp: command not found
Using prebuilt externals
/cygdrive/e/java-android/android-ndk-r9c/android-ndk-r9c/ndk-build: line 40: dirname: command not found
/cygdrive/e/java-android/android-ndk-r9c/android-ndk-r9c/ndk-build: line 132: uname: command not found
ERROR: Unknown host operating system:
**** Build Finished ****
有没有人知道是什么原因，求指导！