In file included from ../boost/circular_buffer.hpp:20,
                 from ../sanity.cc:20:
../boost/circular_buffer_base.hpp:502: error: declaration of ‘typedef class boost::reverse_iterator<boost::cb_details::cb_iterator<boost::circular_buffer<T, Alloc>, boost::cb_details::cb_nonconst_traits<Alloc> > > boost::circular_buffer<T, Alloc>::reverse_iterator’
/usr/include/boost/iterator/reverse_iterator.hpp:23: error: changes meaning of ‘reverse_iterator’ from ‘class boost::reverse_iterator<boost::cb_details::cb_iterator<boost::circular_buffer<T, Alloc>, boost::cb_details::cb_nonconst_traits<Alloc> > >’
make[2]: *** [mtn-sanity.o] Error 1