Add support for FreeBSD 7 (and above)

[Gerald Pfeifer]

On Fri, 15 Jul 2005, Paul Brook wrote:
>> The FreeBSD project changed it's schedule to shoot for more or less
>> one major release per year -- thus FreeBSD 6 later this summer, and
>> the corresponding creation of (and GCC breakage on) FreeBSD 7.
> In that case wouldn't it be better to just extract the major version 
> with sed, and a check for [ $MAJOR_VERSION -ge 3 ] ?
> With corresponding changes in freebsd-spec.h this would make any version 
> number "just work".

Sounds like a nice idea, though I'll admit that I'm not too deep in
this configury stuff.  Loren?

Gerald