From owner-freebsd-current@FreeBSD.ORG Mon Aug 30 19:04:23 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 44B4D10656B0 for ; Mon, 30 Aug 2010 19:04:23 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.208.78.105]) by mx1.freebsd.org (Postfix) with ESMTP id 1F0858FC1B for ; Mon, 30 Aug 2010 19:04:23 +0000 (UTC) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.14.4/8.14.4) with ESMTP id o7UJ4LB4045777; Mon, 30 Aug 2010 12:04:21 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.14.4/8.14.4/Submit) id o7UJ4LTk045776; Mon, 30 Aug 2010 12:04:21 -0700 (PDT) (envelope-from sgk) Date: Mon, 30 Aug 2010 12:04:21 -0700 From: Steve Kargl To: Alexander Kabaev Message-ID: <20100830190421.GA45631@troutmask.apl.washington.edu> References: <20100830173206.GA44788@troutmask.apl.washington.edu> <4C7BEC03.7030104@acm.poly.edu> <20100830145116.6e2cbe3a@kan.dnsalias.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100830145116.6e2cbe3a@kan.dnsalias.net> User-Agent: Mutt/1.4.2.3i Cc: Boris Kochergin , freebsd-current@freebsd.org Subject: Re: symbol versioning on libgcc? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Aug 2010 19:04:23 -0000 On Mon, Aug 30, 2010 at 02:51:16PM -0400, Alexander Kabaev wrote: > On Mon, 30 Aug 2010 13:36:03 -0400 > Boris Kochergin wrote: > > > Steve Kargl wrote: > > > I know that several libraries in FreeBSD > > > uses symbol versioning. In looking through > > > src/ I was unable to determine whether > > > symbol versioning is used on libgcc. Any > > > guidance would be appreciated. > > > > > > > > > > I don't think it is. I haven't poked at any sources, but there are no > > FBSD* symbols in /usr/lib/libgcc_s.so, which is what's used in symbol > > versioning in, say, /lib/libc.so.7. > > > > -Boris > > And above is wrong. Just for the record. What FBSD* symbol versions > have to do with the library independently versioned by FSF? > I'm trying to test a gfortran 4.6.0 patch that implements REAL(16), which means that TFmode needs to be supported. The GCC infrastructure currently does not build with TFmode on FreeBSD, and so a patch has been created. The last item that needs attention is symbol versioning. See the thread starting at http://gcc.gnu.org/ml/fortran/2010-08/msg00431.html -- Steve