cocos2d-x发生undefined reference to `XX'异常 一劳永逸解决办法

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cocos2d-x发生undefined reference to `XX'错误 一劳永逸解决方法

参考文章:

http://blog.csdn.net/kafeidev/article/details/9157895

http://blog.csdn.net/fu_zk/article/details/12836431

eclipse cocos2dx项目，出现错误

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1. E:/Acocos2d-x/cocos2d-1.0.1-x-0.11.0/MyBilliard/android/jni/../../Classes/HelloWorldScene.cpp:27:undefinedreferenceto`GameLayer::GameLayer()'
2. E:/Acocos2d-x/cocos2d-1.0.1-x-0.11.0/MyBilliard/android/jni/../../Classes/HelloWorldScene.cpp:27:undefinedreferenceto

原因是android的nkd编译需要将每个cpp尽心进行声明

进入jni-->Classes目录下的Android.mk

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