Y_DEBUG</span></code></dt><dd><p>The FLTK GL library (debug)</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">FLTK_FORMS_LIBRARY_RELEASE</span></code></dt><dd><p>The FLTK Forms library (optimized)</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">FLTK_FORMS_LIBRARY_DEBUG</span></code></dt><dd><p>The FLTK Forms library (debug)</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">FLTK_IMAGES_LIBRARY_RELEASE</span></code></dt><dd><p>The F