Does src tree have to be in sync with installed FreeBSD to build ports?

[Ruslan Makhmatkhanov]

Thomas Mueller wrote on 21.04.2014 10:41:
> Is it necessary for the installed FreeBSD to be in sync with the src tree for ports to build successfully?
>
> I might update the src tree to see what is happening but not do the buildworld and buildkernel every time.  Could that hurt for building ports?  Or do I worry needlessly?
>
> Tom

For example, virtualbox may fail to work if you build it with more fresh 
system sources, than your current system.

-- 
Regards,
Ruslan

T.O.S. Of Reality