old cruft after source upgrading --- clean install?

[Robert Huff]

Novembre writes:

>  I have a system which was updated from 6.3-RELEASE to 7.0-RELEASE
>  some eight months ago via a source upgrade. After that, I rebuilt
>  all the packages on the system as well. Now, I would like to
>  update it again to 7.1-RELEASE, and I'm wondering whether I
>  should do a clean install or just do a source upgrade again. My
>  question is regarding all the old cruft that remains after the
>  upgrade and rebuilding of all the packages, as I already know
>  that there are a bunch of old libraries residing somewhere on the
>  system.

	Do you have ports-mgmt/portupgrade(-devel) installed?
	If so, are you aware of "portsclean"?
	This has worked successfully for me for several years.


					Robert Huff