title: Build Disruptor in C++ gives error on autoconf
body: <p>I downloaded the disruptor sources from here:</p>
  
  <p><a href="https://github.com/fsaintjacques/disruptor--" rel="nofollow">https://github.com/fsaintjacques/disruptor--</a></p>
  
  <p>I then tried but get the given error. <strong>Is there something that I am missing?</strong></p>
  
  <pre><code>autoconf configure.ac &gt; configure
  
  configure.ac:9: error: possibly undefined macro: AM_INIT_AUTOMAKE
        If this token and others are legitimate, please use m4_pattern_allow.
        See the Autoconf documentation.
  configure.ac:19: error: possibly undefined macro: AC_CXX_COMPILE_STDCXX_0X
  </code></pre>
  
  <p>gcc version</p>
  
  <pre><code>gcc --version
  gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
  Copyright (C) 2010 Free Software Foundation, Inc.
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  </code></pre>
  
  <p>autoconf version</p>
  
  <pre><code>autoconf --version
  autoconf (GNU Autoconf) 2.63
  Copyright (C) 2008 Free Software Foundation, Inc.
  License GPLv2+: GNU GPL version 2 or later
  &lt;http://gnu.org/licenses/old-licenses/gpl-2.0.html&gt;
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.
  
  Written by David J. MacKenzie and Akim Demaille.
  </code></pre>