$Id$ Copyright (C) 2006 TeX Users Group. You may freely use, modify and/or distribute this file. (Originally written in 2006 by Karl Berry.) The Build directory contains sources and tools which are used in building TeX Live, but are not part of the live hierarchy. Each subdir has another README with more details. cdbuild - mostly related to updating individual packages in the hierarchy. tools - scripts related to most everything else. source - the actual sources for all the executable programs.