Excluding files/directories when using cvs update -d

[Ben Block]

> I am putting together a build machine for a rather large cvs repository.
> Much of the content of our projects is documentation and is not pertinent
> to the builds.  It does, however, take a long time to download these
> irrelevant files, tag them, etc.  
> 
> I would like to exclude these files from the builds to optimize build
> time, but would still like to keep them on the server.  Another
> requirement is that I must do a cvs update -d when updating the working
> directory on my build machine so that I am sure to download any new
> packages, etc from the cvs repository.
> 
> In summary, is there any way to remove directories/files from a working
> directory and maintain them on the cvs server, while being able to do a
> cvs update -d and not re-downloading them?
> 
> Thanks,
> Ben Block
> Arrowhead Group