     on the compiler command line or by inserting a
    </p>
<pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">BOOST_SPIRIT_DONT_USE_MPL_ASSERT_MSG</span> <span class="number">1</span>
</pre>
<p>
      into your code before any Spirit headers get included.
    </p>
<p>
      Using this trick has no adverse effects on any of the functionality of <a href="http://boost-spirit.com" target="_top">Spirit</a>. The only change you might see
      while using this workaro