Xcode cannot run using the selected device

Question

I am receiving the following error when I try to run my Xcode iOS project:

Xcode cannot run using the selected device. Choose a destination with a supported          


        

Answer 1

I found the error was because of unsupported compiler in building settings. Check Project Building Settings --> Build Options --> Compiler for C/C++/Objective-C. Change to "Default compiler (Apple LLVM 5.0)". Everything is OK.