code>.</p>
<p><strong>32-bit Builds</strong></p>
<p>CmdStan defaults to a 64-bit build. On a 32-bit operating system, you must specify
the make variable <code>BIT=32</code> as part of the <code>make</code> command, described in the next section.</p>
</div>
</div>
<div id="gnu-make" class="section level2" number="1.6">
<h2><span class="header-section-number">1.6</span> Using GNU Make</h2>
<p>CmdStan relies on the GNU Make utility to build both the
Stan model executables and the CmdStan tools.</p>
<p>GNU Make