title: User created warnings no longer working in XCode 7.1. Is there an alternative?
body: <p>Unfortunately the user-created warning pragma<code>#warning</code> no longer works for me in Xcode 7.1.</p>
  
  <p><a href="https://i.stack.imgur.com/pyDLS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pyDLS.png" alt="enter image description here"></a></p>
  
  <p>Are these <code>#</code> prefixed commands only in Objective-C Foundation Headers? Is there another way to specify them, or is it possible to use them with a bridging header?</p>