;pgm_map_creator&quot;</div>
</div><!-- fragment --><h2><a class="anchor" id="autotoc_md88"></a>
(4) Modify CMakeLists.txt</h2>
<p>Open the <code>CMakeLists.txt</code> file located in the <code>pgm_map_creator/msgs</code> directory and comment out the following three lines, then save the changes:</p>
<div class="fragment"><div class="line">${PROTOBUF_IMPORT_DIRS}/vector2d.proto</div>
<div class="line">${PROTOBUF_IMPORT_DIRS}/header.proto</div>
<div class="line">${PROTOBUF_IMPORT_DIRS}/time.proto</div>
</div