<p>On further investigation I see no need to include platform dependent headers in timers.hpp. I would recommend moving the entire<br>
#if defined(<strong>unix</strong>) || defined(__unix)<br>
  ...<br>
#else<br>
  #error "unknown OS"<br>
#endif</p>

<p>to timers.cpp from timers.hpp.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br>Reply to this email directly or <a href="https://github.com/mlpack/mlpack/issues/422#issuecomment-83994135">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFE0yNJ9k-UzrVNKPAVYrAk_AGIWWks5n3ASPgaJpZM4Dx1eJ.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
  <div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
    <link itemprop="url" href="https://github.com/mlpack/mlpack/issues/422#issuecomment-83994135"></link>
    <meta itemprop="name" content="View Issue"></meta>
  </div>
  <meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>