ommandline>Setting Flags on the Command Line</A> </h2>

<p>The reason you make something a flag instead of a compile-time
constant, is so users can specify a non-default value on the
commandline.  Here's how they might do it for an application that
links in <code>foo.cc</code>:</p>
<pre>
   app_containing_foo --nobig_menu -languages="chinese,japanese,korean" ...
</pre>

<p>This sets <code>FLAGS_big_menu = false;</code> and
<code>FLAGS_languages = "chinese,japanese,korean"</code>, when
<code>ParseCommandLine