On Fri, Dec 3, 2010 at 11:04 PM, Roger Leigh <rleigh@codelibre.net> wrote: >> The header knows what version it is, so it can use that to link to the >> correct lib. > > The header is just a text file. It doesn't contain any library > dependency information (or version information) at all, and there's boost/version.hpp > no way to associate a given header with any shared library at all. boost\filesystem\v3\config.hpp boost/config/auto_link.hpp Olaf