100+ warnings in the new Xcode 7.1?

Question

I updated the latest version of Xcode 7.1. I get about 100+ compiler warnings.

Example:

warning: /Users/2141/Library/Developer/Xcode/DerivedData/ModuleCache/2GQZ88U0K6E0E/ObjectiveC-2CD0WTQVXITO7.pcm: No object file for requested architecture
while processing /Users/mohideen-2141/Library/Developer/Xcode/DerivedData/NoteBook-bldlsbruffeylydfevskmbnsmjfm/Build/Products/Debug-iphoneos/libAFNetworking.a(AFURLRequestSerialization.o):

Answer 1

To delete derived data, press Alt on “Go” in the Finder's upper pane. Then select "Library", go to Developer / Xcode / DerivedData and delete the entire folder.

Answer 2

Delete your derived data, for starters

Answer 3

At the command line:

sudo rm -rf ~/Library/Developer/Xcode/DerivedData/