SCCS is animplementationof the POSIXstandard SourceCode ControlSystem. It isbased on theoriginal UNIXSCCS codeprovided by Sunas part ofOpenSolaris andwas madeportable tootherplatforms. Thisversion is amajorenhancement onthe originalcode.
smake is ahighly portable'make'program thatmakes commandsup to datebased on rulesin Makefilesand on thetimestamps ofthe relatedfiles. Itimplements acompletesuperset of thefeatures of theclassicalPOSIX/Unix makeprogram. Itwarns abouttypical misuseof dynamicmacros thatpreventportability ofmakefiles. Itsautomakefeatures allowyou to runscripts toautomaticallycreate rulesfor unknownplatforms.