When I tried to convert my project from Boost 1.58.0 to 1.60.0, I got some link errors. This is using Xcode 4.6.3 on Mac OS X 10.7.5. I'm compiling all the sources in libs/regex/src. Help? Undefined symbols for architecture i386: "boost::re_detail_106000::perl_matcher >, boost::regex_traits

::construct_init(boost::basic_regex > const&, boost::regex_constants::_match_flags)", referenced from: boost::re_detail_106000::perl_matcher >, boost::regex_traits ::perl_matcher(char const*, char const*, boost::match_results > >&, boost::basic_regex > const&, boost::regex_constants::_match_flags, char const*) in BVHJointMap.o boost::re_detail_106000::perl_matcher >, boost::regex_traits ::perl_matcher(char const*, char const*, boost::match_results > >&, boost::basic_regex > const&, boost::regex_constants::_match_flags, char const*) in AnimationsManager.o

"boost::re_detail_106000::perl_matcher >, boost::regex_traits >::find()", referenced from: bool boost::regex_search >(char const*, char const*, boost::basic_regex > const&, boost::regex_constants::_match_flags) in BVHJointMap.o "boost::re_detail_106000::perl_matcher >, boost::regex_traits >::match()", referenced from: bool boost::regex_match >, char, boost::regex_traits >(char const*, char const*, boost::match_results > >&, boost::basic_regex > const&, boost::regex_constants::_match_flags) in AnimationsManager.o