id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 7185,Header only chrono requires library,DanSearles@…,viboes,"Documentation for including chrono.hpp: http://www.boost.org/doc/libs/1_50_0/doc/html/chrono/users_guide.html implies that chrono can be configured as a 'header only library', by defining BOOST_CHRONO_HEADER_ONLY, but on VC9, I get a link error: cannot open file 'libboost_system-vc90-mt-gd-1_50.lib Adding a define for BOOST_ALL_NO_LIB results in two undefined objects: class boost::system::error_category const & __cdecl boost::system::generic_category(void) class boost::system::error_category const & __cdecl boost::system::system_category(void) ",Bugs,closed,Boost 1.51.0,chrono,Boost 1.50.0,Problem,fixed,,