buildworld problem

[Giorgos Keramidas]

On Mon, 27 Jun 2005, ANdrei wrote:
> i have a problem, that I think is probably just a mistake in the way I do
> things... am trying to buildworld on a 5.2.1-release (have done build
> world several times with success on 4.x).... the system is a fresh
> install. i go to single user, and I get
>
>  rm: ipf: is a directory
>
> as an error.
> ...this is happening in the "make cleandir" part already... but it doesn't
> happen when in multiuser mode... actually in multiuser mode "make clean" and
> "make cleandir" work well...

Remove the contents of your /usr/obj tree and build again.