 be found in the <tt>lib</tt> directory of the source
distribution or installed under the <tt>jit</tt> directory. By default
this is <tt>/usr/local/share/luajit-XX.YY.ZZ>/jit</tt> on POSIX
systems (replace XX.YY.ZZ by the installed version).
</p>

<h3 id="opt_O"><tt>-O[level]</tt><br>
<tt>-O[+]flag</tt>&nbsp;&nbsp;&nbsp;<tt>-O-flag</tt><br>
<tt>-Oparam=value</tt></h3>
<p>
This options allows fine-tuned control of the optimizations used by
the JIT compiler. This is mainly intended for debugging LuaJIT itself