Restkit on Xcode 4.5 GM在iOS 6设备上不起作用 - 文件是为存档而构建的，而不是被链接的体系结构

I have been using Xcode 4.4.1 and Restkit has been working perfectly on Simulator and Device. Since I upgraded to Xcode 4.5 yesterday, Restkit works fine on the Simulator, but when I try to run on my iOS 6 device, I get compile errors;I have been using Xcode 4.4.1 and Restkit has b