Cocos2dx 2.2.3 xcode5.0: an error is returned when a new mac project is created.

Cocos2dx 2.2.3 xcode5.0: when a new mac project is created, the following error occurs: Undefined symbols for architecture x86_64:
"Cocos2d: extension: LabelReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: ButtonReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: LayoutReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: SliderReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: CheckBoxReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: ListViewReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: PageViewReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: ImageViewReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: TextFieldReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: LabelAtlasReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: LoadingBarReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: ScrollViewReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
"Cocos2d: extension: LabelBMFontReader: createInstance ()", referenced from:
Cocos2d: extension: GUIReader () in GUIReader. o
Ld: symbol (s) not found for architecture x86_64
Clang: error: linker command failed with exit code 1 (use-v to see invocation)


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The error message is as follows: the demo can run, the new project ios can run, but the mac version can run the compilation error. Cocos2dx2.2.3 is used.

Solution: directly copy the folder WidgetReader to the project.