</li>
-<li><code>--enable-gles-overlay</code>
-
-<p>This option enables OpenGL ES as separate internal libraries. This is an
-alternative approach to enable OpenGL ES.</p>
-
-<p>This is only supported by <code>egl_gallium</code>. For systems using DRI
-drivers, <code>--enable-gles1</code> and <code>--enable-gles2</code> are
-suggested instead as all drivers will benefit.</p>
-
-</li>
-
<li><code>--enable-openvg</code>
<p>OpenVG must be explicitly enabled by this option.</p>
addition to the default directory. This variable is ignored for setuid/setgid
binaries.</p>
+<p>This variable is usually set to test an uninstalled build. For example, one
+may set</p>
+
+<pre>
+ $ export LD_LIBRARY_PATH=$mesa/lib
+ $ export EGL_DRIVERS_PATH=$mesa/lib/egl
+</pre>
+
+<p>to test a build without installation</p>
+
</li>
<li><code>EGL_DRIVER</code>
-<p>This variable specifies a full path to an EGL driver and it forces the
-specified EGL driver to be loaded. It comes in handy when one wants to test a
-specific driver. This variable is ignored for setuid/setgid binaries.</p>
+<p>This variable specifies a full path to or the name of an EGL driver. It
+forces the specified EGL driver to be loaded. It comes in handy when one wants
+to test a specific driver. This variable is ignored for setuid/setgid
+binaries.</p>
</li>