ithin.
      </span>
    </li>
    <li>
      <span>
        <code class="code">HOME</code>: also set to the temporary directory
        you're compiling within.
      </span>
    </li>
    <li>
      <span><code class="code">NAME</code>: the name of the rule.</span>
    </li>
    <li>
      <span><code class="code">SRCS</code>: the sources of your rule</span>
    </li>
    <li>
      <span><code class="code">OUTS</code>: the outputs of your rule</span>
    </li>
    <li>
      <span>
        <code class="c