How to point Xcode to an old SDK so it can be used as a “Base SDK”?

Question

My Mac\'s Setup:

Volume A:
OS X 10.8
Xcode 4.5 or later - 10.6 SDK IS NOT available as Base SDK

Volume

Answer 1

Solved by browsing to older version Xcode.App/Developer/platforms and copy the iOS 6.1 SDK into same folder of XCode 5.