port POSIX compatible file 
systems and so will work with the Filesystem Library.</p>
<p>The object-library can be built for static or dynamic (shared/dll) linking. 
This is controlled by the BOOST_ALL_DYN_LINK or BOOST_FILESYSTEM_DYN_LINK 
macros. See the <a href="http://www.boost.org/development/separate_compilation.html">Separate 
Compilation</a> page for a description of the techniques used.</p>
<h3>Note for <a name="Cgywin">Cygwin</a> users</h3>
<p> <a href="http://www.cygwin.com/">Cygwin</a> version 1