title: Compiling Ruby 1.9.1-p129 on HPUX
body: <p>I am trying to compile Ruby on HPUX but get the following:</p>
  
  <pre><code>cc: "transcode.c", line 1489: error 1588: "SIZE_MAX" undefined.
  cc: "transcode.c", line 1489: error 1563: Expression in if must be scalar.
  </code></pre>