 program may take 10+ minutes and consume 2+ GB of memory to build CmdStan.</em></p>
<p><strong>Windows only:</strong> CmdStan requires that the Intel TBB library,
which is built by the above command, can be found by the Windows system.
This requires that the directory
<code>&lt;cmdstan-home&gt;/stan/lib/stan_math/lib/tbb</code> is part of the
<code>PATH</code> environment variable.
See <a href="https://helpdeskgeek.com/windows-10/add-windows-path-environment-variable/">these instructions</a>
for details on