On Fri, Apr 8, 2011 at 8:49 AM, Keith Keller <kkeller at wombat.san-francisco.ca.us> wrote: > Hi all! > > We've seen quite a few references on the list to "100% binary > compatibility with upstream". What I am curious about is, how precisely > is this determined? All the ways I can think of for comparing how two > systems might work seem flawed in some way (e.g., using some sort of > checksum; unit testing; verifying build parameters). I did some > searches both at centos.org and google, but couldn't find anything > specific about the test(s) used to determine compatibility. In this FAQ: http://wiki.centos.org/FAQ/General/RebuildReleaseProcess "Once built ... we use the tmverifyrpms against it from here: http://mirror.centos.org/centos-4/4/build/distro/ " Akemi