From owner-freebsd-hackers@freebsd.org Thu May 10 21:02:08 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 399F3FD70EB for ; Thu, 10 May 2018 21:02:08 +0000 (UTC) (envelope-from joerg@bec.de) Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [217.70.178.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B899A7F4F7 for ; Thu, 10 May 2018 21:02:07 +0000 (UTC) (envelope-from joerg@bec.de) Received: from britannica.bec.de (p5799C593.dip0.t-ipconnect.de [87.153.197.147]) (Authenticated sender: joerg@bec.de) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 400A720000F for ; Thu, 10 May 2018 23:02:00 +0200 (CEST) Date: Thu, 10 May 2018 23:01:57 +0200 From: Joerg Sonnenberger To: freebsd-hackers@freebsd.org Subject: Re: Runtime loader issue Message-ID: <20180510210157.GA17726@britannica.bec.de> Mail-Followup-To: freebsd-hackers@freebsd.org References: <20180509234551.GA39526@troutmask.apl.washington.edu> <20180510190549.GB14916@britannica.bec.de> <20180510194823.GA60567@troutmask.apl.washington.edu> <20180510202227.GA6592@britannica.bec.de> <20180510202536.GA74173@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180510202536.GA74173@troutmask.apl.washington.edu> User-Agent: Mutt/1.9.5 (2018-04-13) X-Spam-Level: X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 May 2018 21:02:08 -0000 On Thu, May 10, 2018 at 01:25:36PM -0700, Steve Kargl wrote: > On Thu, May 10, 2018 at 10:22:27PM +0200, Joerg Sonnenberger wrote: > > > > Again, you are missing that the situation would happen just the same if > > the base compiler is GCC 4.2.1 and not Clang. > > > > FreeBSD could have stayed in-step with the times. FreeBSD or any other system could be updated the GCC version for every release and there would still appear a newer GCC version that requires an even newer libgcc_s.so in the release life time. Heck, the very same problem happens in the other direction as well, i.e. if you are forced to use an *older* GCC and pick up its libgcc_s.so. Joerg