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Date: Fri, 03 Jan 2014 00:16:55 +0100
From: Julian Elischer <julian@freebsd.org>
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To: Pawel Jakub Dawidek <pjd@FreeBSD.org>,
 Konstantin Belousov <kostikbel@gmail.com>
Subject: Re: svn commit: r255219 - in head: contrib/tcpdump lib/libc
 lib/libc/capability
 lib/libc/include lib/libc/sys lib/libprocstat sbin/dhclient sbin/hastd
 sys/amd64/linux32 sys/bsm sys/cddl/compat/opensola...
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 <20140102093322.GA1655@garage.freebsd.pl> <52C53F69.3040507@mu.org>
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Cc: Stanislav Sedov <stas@freebsd.org>, svn-src-head@freebsd.org,
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On 1/2/14, 10:27 PM, Pawel Jakub Dawidek wrote:
> I also think that breaking ABI on unused interfaces can be fine too.
>
> We don't support ABI compatibility with FreeBSD 1, no matter how close
> we are, and we had this discussion in the past.

actually, we do..
I have run FreebSD 1 binaries as recently as a year ago.
the get a "make world" to work you need a small kernel change.
(limit PIDS to < 60000) or it hangs after a few minutes.