Is it safe to `make buildworld' while using ccache?

[Eric]

Zhongtao Zhu wrote:
> Dear list,
>
> I just got the 6.1-release stable src-tree merrily cvsup-ed, but it's
> weird the job of `make buildworld' stopped with some "missing error"
> related to the 'kvm'. (Forgive me, I can only offer this brief right
> now.)
>
> I've settled this problem with disabling the 'ccache' by purging its
> configuration lines from '/etc/make.conf' and afterwards everything is
> fixed. I wonder if somebody else also encountered with this frustrated
> combination.
>
> Regards,
>   
ccache has worked for me wonderfully on 3+ machines doing everything: 
ports, buildworld, kernels, etc. No issues at all

does the ccache stuff show up first in your path statement?