d docutils literal notranslate"><span class="pre">project()</span></code></a> or
<span class="target" id="index-0-command:enable_language"></span><a class="reference internal" href="../command/enable_language.html#command:enable_language" title="enable_language"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">enable_language()</span></code></a> command called in a project when a new build
tree is first created.  If the <span class="target" id="index-0-envvar:CMAKE_CONFI