[boost] Filesytem compile problem

I get a compile error in boost/filesystem/operations.hpp when building an application that also uses the date_time library (using current CVS files). The problem is that date_time includes boost/operator.hpp which defines the template boost::equivalent. The name collides with boost::filesystem::equivalent. Reordering the include files (filesystem before date_time) fixes the problem for me but since boost/operators.hpp is used in a lot of libraries it might not always be that easy.