Libgdx para iOS com RoboVM - Erro de link não satisfeito no IOSGLES20.init

Tentando portar meu jogo LibGDX para iOS usando o RoboVM.

Ao executar o aplicativo para o emulador, recebo este erro:

Exception in thread "main" java.lang.UnsatisfiedLinkError: 
at com.badlogic.gdx.backends.iosrobovm.IOSGLES20.init(Native Method)
at com.badlogic.gdx.backends.iosrobovm.IOSGLES20.<init>(IOSGLES20.java)
at com.badlogic.gdx.backends.iosrobovm.IOSApplication.didFinishLaunching(IOSApplication.java)
at com.badlogic.gdx.backends.iosrobovm.IOSApplication$Delegate.didFinishLaunching(IOSApplication.java)
at org.robovm.cocoatouch.uikit.UIApplicationDelegate$Callbacks.didFinishLaunching(UIApplicationDelegate.java)
at org.robovm.cocoatouch.uikit.UIApplication.UIApplicationMain(Native Method)
at org.robovm.cocoatouch.uikit.UIApplication.main(UIApplication.java)
at ***********

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