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Date: Wed, 1 Mar 2017 00:17:18 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Gleb Smirnoff <glebius@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r314373 - in head: . etc/defaults etc/rc.d
 lib/libc/regex share/man/man4/man4.i386 share/man/man5 sys/amd64/conf
 sys/boot/forth sys/compat/svr4 sys/conf sys/dev/streams sys/i386/conf sy...
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On Tue, Feb 28, 2017 at 05:14:43AM +0000, Gleb Smirnoff wrote:
> Author: glebius
> Date: Tue Feb 28 05:14:42 2017
> New Revision: 314373
> URL: https://svnweb.freebsd.org/changeset/base/314373
> 
> Log:
>   Remove SVR4 (System V Release 4) binary compatibility support.
>   
>   UNIX System V Release 4 is operating system released in 1988. It ceased
>   to exist in early 2000-s.

It is also Solaris ABI which was emulated.  Since the stuff is removed,
the i386 LSOL26CALLS LDT selector is no longer needed.