title: CMake: Symlink files instead of copying them during install
body: <p>Making CMake copy files during <code>make install</code> is simple:</p>
  
  <pre><code>install(TARGETS foo DESTINATION lib)
  install(DIRECTORY Include/ DESTINATION include)
  </code></pre>
  
  <p>But is it possible to write <code>make symlink</code> that will make symlinks instead of copying files? If so, how?</p>