duplicate symbol _OBJC_METACLASS_$_ClassName

Question

I am trying to run my cocos2d application and facing this error, as I have recently upgraded my sdk to 4.2 and my cocos2d to 0.99.5.

I tried to clean my project even

Answer 1

I had a project with 2 targets. A target named Component and the second named Sample. Sample was using component as a link library. Then Component was using a pod named MyPod (installed with cocoapod).

The Podfile was written like this :

def shared_pods
   pod 'MyPod' 
end

target 'Component' do
    shared_pods  
end

target 'Sample' do
    shared_pods
end

Both targets was referencing the shared pod list. When building Component target, no problem appears, but when building sample i get a duplicate symbol _OBJC_METACLASS_$_ClassName. I have changed the Podfile to :

def shared_pods
    # empty
end

target 'Component' do
   pod 'MyPod'
   shared_pods  
end

target 'Sample' do
    shared_pods
end

And that solve the problem. 3 hours spent, hope to save somebody time.