title: when i build my project in xcode i got an error like clang error:input files not found
body: <p>I am trying to develop an application in xcode using objective c.When i build my project got an error like </p>
  
  <pre><code>clang error:no input files found
  command/users/chairman/Desktop/xcode.app/contents/Developer/ToolChains/XcodeDefault.xctoolchains/usr/bin/clang failed with exit code1
  </code></pre>
  
  <p>Can anyone please help me in solving this?</p>