COMPAT_43 users?

[Julian Elischer]

On 1/8/18 5:49 am, Mark Johnston wrote:
> The COMPAT_43 kernel option, which enables syscall support for 4.3BSD
> binaries, hasn't been enabled in the standard kernel configs for well
> over a decade, and doesn't appear to be a dependency of any other kernel
> features.  Nonetheless, the kernel contains quite a bit of code to
> support this option.  Does anyone use it in modern versions of FreeBSD
> or have any arguments for keeping it?
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It is useful for really ancient jails I believe. The person I would 
trust on this is jhb. (CC'd)

I occasionally like to run a freebsd-1.1 jail.. but While I enable it 
I am not sure if I need it.