g a file named <code>local</code> in the
CmdStan <code>make</code> subdirectory which contains a list of <code>&lt;VARIABLE&gt;=&lt;VALUE&gt;</code> pairs,
one per line. For example, if you are working on a 32-bit machine,
you would put the line <code>BIT=32</code> into the file <code>&lt;cmdstan-home&gt;/make/local</code>
so that all CmdStan programs and Stan models compile properly.</p>
<p>The complete set of Makefile variables can be found in file
<code>&lt;cmdstan-home&gt;/cmdstan/stan/lib/stan_math/mak