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Editorial Team
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Asked: 2026-05-27T18:48:41+00:00

I tried compiling on my new cocos2d engine, and got these errors: Undefined symbols:

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I tried compiling on my new cocos2d engine, and got these errors:

Undefined symbols:
"_OBJC_CLASS_$_GameStateBase", referenced from:
objc-class-ref-to-GameStateBase in GameState.o
_OBJC_CLASS_$_GameState in GameState.o
"_OBJC_METACLASS_$_GameStateBase", referenced from:
_OBJC_METACLASS_$_GameState in GameState.o

the errors do not seem to pertain to any specific area in the code, but prevent the game from compiling. I am completely clueless on these types of errors, and a google search yielded nothing.

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1 Answer

  1. Editorial Team

    I realized I was missing an entire class of files: GameStateBase.h/m

    Make sure you have all your source files, peeps!

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