On Mon, Apr 20, 1998 at 07:39:53AM +1000, Robert Elz wrote:
> This source-changes mail reminded me of something I have been meaning to
> suggest for a while...

FreeBSD has this.  I'd suggest you snip our implementation, to avoid
(a) work, and (b) unnecessary differences.

Be aware that adding correct include files for all options is a lot of
work; probably way more than the modifications to config(8).

Eivind, who did much of the options conversion in FreeBSD.