/lib/pthread.so.2 is sought during some port compilation

[Yuri]

Quoting Kris Kennaway <kris at FreeBSD.org>:

> > So do I have to rebuild all ports to be able to run on 7.0?
> 
> Yes.  You have to do this whenever you upgrade to a new branch of 
> FreeBSD.  The old ports will work until you start upgrading them to new 
> versions, at which point you will end up with binaries linked to two 
> versions of FreeBSD libraries, like libc.so.6 and libc.so.7, and this is 
> a recipe for disaster.

Yes, that's what I am doing.
portupgrade -af

Thanks,
Yuri