../boost/system/error_code.hpp:221:36: warning: 'boost::system::posix_category' defined but not used [-Wunused-variable]
../boost/system/error_code.hpp:222:36: warning: 'boost::system::errno_ecat' defined but not used [-Wunused-variable]
../boost/system/error_code.hpp:223:36: warning: 'boost::system::native_ecat' defined but not used [-Wunused-variable]

are polluting almost every test on Boost.Thread.

Is there a way to get rid of them?

Vicente

P.S. Of course on my build I disable this warning :)