Please see the ext directory: http://github.com/tenderlove/phuby/tree/4f198354c537586aa1677137cf07fc17765e6adb/ext/phuby http://github.com/tenderlove/phuby/tre

Please see the ext directory: http://github.com/tenderlove/phuby/tree/4f198354c537586aa1677137cf07fc17765e6adb/ext/phuby http://github.com/tenderlove/phuby/tree/4f198354c537586aa167... and extconf.rb: http://github.com/tenderlove/phuby/blob/4f198354c537586aa1677137cf07fc17765e6adb/ext/phuby/extconf.rb http://github.com/tenderlove/phuby/blob/4f198354c537586aa167... It is quite embedded and dynamically linked.