title: I am trying to build emacs 24.5 with gtk+ 2.0
body: <p>while trying to build emacs 24.5 with gtk+ 2.0 I get the following error</p>
  
  <pre><code>checking whether GTK compiles... no
  configure: error: Gtk+ wanted, but it does not compile, see config.log.  
  Maybe some x11-devel files missing?
  </code></pre>
  
  <p>I am using the following command </p>
  
  <pre><code>./configure --prefix=/some_path/ --with-x-toolkit=gtk2 --enable-link-time-optimization
  </code></pre>
  
  <p>I have searched everywhere over the net but still not able to resolve this error</p>