COMPAT_43 users?

[Konstantin Belousov]

On Wed, Aug 01, 2018 at 04:50:26PM +0000, Brooks Davis wrote:
> It's absurd because there is no sensible, supported path to create new
> a.out binaries targeting FreeBSD 12.  IMO it would be better to limit
> a.out support to syscalls supported by releases where a.out was
> supported.

It requires somewhat non-trivial effort to limit them, while providing
the access is free.  We do not create new syscall table for each ABI
addition.