title: Qmake does not support build directories below the source directory
body: <p>I have created an application that compiles and runs like a charm on OS-X.  I would now like to start getting it to work on Windows.  To start, I copied the project to a windows machine and just tried to compile, but got this error:</p>
  
  <blockquote>
    <p>:: warning: Qmake does not support build directories below the source directory.</p>
  </blockquote>
  
  <p>Any ideas?</p>