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 <li>lex / yacc - for building the GLSL compiler.
 On Linux systems, flex and bison are used.
 Versions 2.5.35 and 2.4.1, respectively, (or later) should work.
+<br>
+<br>
+On Windows with MinGW, install flex and bison with:
+<pre>mingw-get install msys-flex msys-bison</pre>
 </li>
 <li>python - Python is needed for building the Gallium components.
 Version 2.6.4 or later should work.
+<br>
+<br>
+To build OpenGL ES 1.1 and 2.0 you'll also need
+<a href="http://xmlsoft.org/sources/win32/python/libxml2-python-2.7.7.win32-py2.7.exe">libxml2-python</a>.
 </li>
 </ul>