E_DIR"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CURRENT_SOURCE_DIR</span></code></a> at the time <code class="docutils literal notranslate"><span class="pre">target_sources()</span></code> is
called. An exception to this is a path starting with <code class="docutils literal notranslate"><span class="pre">$&lt;</span></code>. Such paths
are treated as relative to the target's source directory after evaluation
of generator expressions.</p>
</div></blockquote