> One thing I would like to add to pkgsrc in this case is an extra meta-
> data field for each package listing what versions of the other packages
> it was compiled against. This makes it possible to 'repair' a system when
> for example a 'make replace' on kdelibs3 do not really work out for some
> package down the dependancy chain. Then it will be easy to identify the
> packages which has been built against an old version of kdelibs3, and
> rebuild them against the new version.

See @pkgdep fields in each /var/db/pkg/*/+CONTENTS.  

GH

-- 
:wq