title: What happens if I remove all files from Compile Sources in Build Phases for the project?
body: <p>What happens if I remove all files from Compile Sources in Build Phases for the project? </p>
  
  <p>Under Targets -> Build Phses -> Compile Sources -> list of files are present. What happens if no files are present over there?</p>
  
  <p>Thanks</p>