e is included in the distribution,
this command specifies its location and name.  The cache entry will
not be set unless the <code class="docutils literal notranslate"><span class="pre">path_to_source</span></code> and all listed files exist.  It
is assumed that the source tree of the utility will have been built
before it is needed.</p>
<p>When cross compiling CMake will print a warning if a <code class="docutils literal notranslate"><span class="pre">utility_source()</span></code>
command is executed, bec