cocos2d-x ported Android. iconv error

Android Cocos2d-x iconv transplant NDK

As stated already downloaded iconv, on cocos2d-x root directory,
And Android.mk joined

 LOCAL_C_INCLUDES: = $ (LOCAL_PATH) / / / Classes \ 
....$ (LOCAL_PATH) / ../../cocos2dx \ 
$ (LOCAL_PATH) /.. /.. / Platform \ 
$ (LOCAL_PATH) /.. /.. / Include \ 
$ (LOCAL_PATH) /.. /.. / CocosDenshion / include \ 
$ (LOCAL_PATH) / ../../cocos2dx/layers_scenes_transitions_nodes \ 
$ (LOCAL_PATH) /.. /.. /.. / Iconv \ 
$ (LOCAL_PATH) /.. /.. /.. / Iconv / include \ 
$ (LOCAL_PATH) /.. /.. /.. / Iconv / libcharset \ 
$ (LOCAL_PATH) /.. /.. /.. / Iconv / libcharset / lib \ 
$ (LOCAL_PATH) /.. /.. /.. / Iconv / libcharset / include 

LOCAL_WHOLE_STATIC_LIBRARIES: = iconv cocos2dx_static cocosdenshion_static cocos_extension_static 

include $ (BUILD_SHARED_LIBRARY) 

$ (Call import-module, CocosDenshion / android) \ 
$ (Call import-module, cocos2dx) \ 
$ (Call import-module, extensions) \ 
$ (Call import-module, iconv) 

However, when using cygwin sh, error
iconv/lib/iconv_open1.h: 167: error: undefined reference to 'locale_charset'

May I ask why ah? Thank you. Thank

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Reply:
LOCAL_WHOLE_STATIC_LIBRARIES: = iconv cocos2dx_static cocosdenshion_static cocos_extension_static

This code is redundant iconv