It keeps saying:
fatal error: file \'/Applications/Xcode5-DP5.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk/usr/includ
Open a terminal and type in : rm -rf ~/Library/Developer/Xcode/DerivedData/ModuleCache/*
Clean your project and build again. Worked for me.