报了Choose a destination with a supported architecture in order to run on this device错误，如果别人的方法你都试了没用，到最后你才翻出我的博客你可以尝试：
Project->Build Settings -> Build Options 把编译器改为 LLVM.
iOS - Choose a destination with a supported architecture in order to run on this device：
原文：http://blog.csdn.net/ifziv/article/details/20932953