From owner-freebsd-stable@freebsd.org  Tue Nov 15 16:24:37 2016
Return-Path: <owner-freebsd-stable@freebsd.org>
Delivered-To: freebsd-stable@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 76F1BC43F43
 for <freebsd-stable@mailman.ysv.freebsd.org>;
 Tue, 15 Nov 2016 16:24:37 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 0E56C1A9
 for <freebsd-stable@freebsd.org>; Tue, 15 Nov 2016 16:24:36 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from tom.home (kib@localhost [127.0.0.1])
 by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id uAFGOV1c022903
 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO);
 Tue, 15 Nov 2016 18:24:31 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua uAFGOV1c022903
Received: (from kostik@localhost)
 by tom.home (8.15.2/8.15.2/Submit) id uAFGOV75022902;
 Tue, 15 Nov 2016 18:24:31 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com
 using -f
Date: Tue, 15 Nov 2016 18:24:31 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: George Mitchell <george+freebsd@m5p.com>
Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject: Re: Symbol/library versioning ...
Message-ID: <20161115162431.GV54029@kib.kiev.ua>
References: <6427851f-5485-39bd-6690-8acd79e3f47d@m5p.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <6427851f-5485-39bd-6690-8acd79e3f47d@m5p.com>
User-Agent: Mutt/1.7.1 (2016-10-04)
X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00,
 DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no
 autolearn_force=no version=3.4.1
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-stable>, 
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 15 Nov 2016 16:24:37 -0000

On Tue, Nov 15, 2016 at 10:59:57AM -0500, George Mitchell wrote:
> ... is a topic I just marginally understand.  But pkg 1.9.3 fails
> on FreeBSD 10.1-RELEASE-p35 because /lib/libc.so.7 contains no
> definition for "openat", though /lib/libc.so.7 on 10.3-RELEASE-p11
> does define it.  I confess to being baffled.  How is this supposed
> to work?  10.1-RELEASE is still supported, right?        -- George

Let me guess.  You are trying to run a pkg binary, built on 10.3 system,
on the 10.1 system, do you ?  If yes, this is not supported and often
breaks.