Xcode 7 introduces Bitcode, which is some sort of LLVM intermediate binary that means Apple\'s servers can recompile my app for different architectures without my involvemen
Select project On Build Settings -> Other C flags, set Debug to -fembed-bitcode-marker and Release to -fembed-bitcode
On Build Settings, click on the + sign at the top to add a user-defined build setting with the name BITCODE_GENERATION_MODE, and set Debug to marker, Release to bitcode
Edit schema as Release Then click the desired library. A file and get the build path. Get the library form Release folder.