kernel config: COMPAT_FREEBSD4 ?

[Dag-Erling Smørgrav]

Rob <spamrefuse at yahoo.com> writes:
> The upcoming 5.3 stable kernel configuration has the option
> COMPAT_FREEBSD4. What is the consequence of not having this
> in the kernel?

Quite a few FreeBSD 4.x binaries will fail to run.  This probably
includes most non-Linux binary-only ports (e.g. www/opera)

> If I install 5.3 from scratch on my system and compile all
> software from scratch, will I run into trouble without the
> option COMPAT_FREEBSD4 in the kernel?

Probably not.

> What is the connection between this kernal option and
> the port misc/compat4x ?

The ports installs FreeBSD 4.x versions of various system libraries
which FreeBSD 4.x binaries may or may not need.

DES
-- 
Dag-Erling Smørgrav - des at des.no