data-type="sect1">
    <a href="ch18.html#purpose_of_a_build_system">Purpose of a Build System</a>
            <ol>
</ol>
      </li>
  <li data-type="sect1">
    <a href="ch18.html#what_happens_without_a_build_systemques">What Happens Without a Build System?</a>
            <ol>
  <li data-type="sect2">
    <a href="ch18.html#but_all_i_need_is_a_compilerexclamation">But All I Need Is a Compiler!</a>
  </li>
  <li data-type="sect2">
    <a href="ch18.html#shell_scripts_to_the_rescuequestion_mar">Shell Scrip