Linking errors when adding AdMob to IOS cocos2d-x 3.2
i trying to add AdMob to cocos2d-x 3.2 simple game using Xcode 5.1 iOS 7.1 i following the tutorials in https://developers.google.com/mobile-ads-sdk/docs/#ios and http://plaincode.blogspot.co.il/2014/02/example-of-admob-integration-in-cocos2d.html and after adding the -ObjC flag in the "Other Linker Flags" I'm getting linking errors: Undefined symbols for architecture armv7s: "_GCControllerDidDisconnectNotification", referenced from: -[GCControllerConnectionEventHandler observerConnection:disconnection:] in libcocos2dx iOS.a(CCController-iOS.o) "_GCControllerDidConnectNotification", referenced