title: How to install header files in Automake?
body: <p>The following statement doesn't work: </p>
  
  <pre><code>dist_include_DATA = someheaders.h
  </code></pre>
  
  <p>which cause error: </p>
  
  <pre><code>Makefile.am:8: `includedir' is not a legitimate directory for `DATA'
  </code></pre>
  
  <p>Using:</p>
  
  <ul>
  <li>GNU Autoconf 2.65</li>
  <li>GNU Automake 1.11.1</li>
  <li>GNU Make 3.81</li>
  </ul>