span></code> keyword appears,
the items listed after it only become part of that target's usage
requirements and are not part of the target's own settings.  However,
in this signature of <code class="docutils literal notranslate"><span class="pre">add_library</span></code>, the <code class="docutils literal notranslate"><span class="pre">INTERFACE</span></code> keyword refers
to the library type only.  Sources listed after it in the <code class="docutils literal notranslate"><span class="pre">add_library</s