ties.</p>
<p>An <code class="docutils literal notranslate"><span class="pre">UNKNOWN</span></code> library type is typically only used in the implementation of
<a class="reference internal" href="../manual/cmake-developer.7.html#find-modules"><span class="std std-ref">Find Modules</span></a>.  It allows the path to an imported library (often found
using the <span class="target" id="index-0-command:find_library"></span><a class="reference internal" href="find_library.html#command:find_library" title="find_li