From owner-freebsd-current@freebsd.org Tue Oct 31 21:37:04 2017 Return-Path: Delivered-To: freebsd-current@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 8CB30E63B42 for ; Tue, 31 Oct 2017 21:37:04 +0000 (UTC) (envelope-from gerald@pfeifer.com) Received: from ainaz.pair.com (ainaz.pair.com [209.68.2.66]) (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 668A564F67; Tue, 31 Oct 2017 21:37:03 +0000 (UTC) (envelope-from gerald@pfeifer.com) Received: from ainaz.pair.com (localhost [127.0.0.1]) by ainaz.pair.com (Postfix) with ESMTP id 775333F468; Tue, 31 Oct 2017 17:37:02 -0400 (EDT) Received: from anthias (vie-188-118-244-226.dsl.sil.at [188.118.244.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ainaz.pair.com (Postfix) with ESMTPSA id 9434F3F445; Tue, 31 Oct 2017 17:37:01 -0400 (EDT) Date: Tue, 31 Oct 2017 22:36:54 +0100 (CET) From: Gerald Pfeifer To: Andreas Tobler cc: Konstantin Belousov , Tijl Coosemans , freebsd-current@FreeBSD.org Subject: Re: Segfault in _Unwind_* code called from pthread_exit In-Reply-To: <9619a1f8-bb42-abc9-a4ee-3b93192f365e@fgznet.ch> Message-ID: References: <20170824180830.199885b0@kalimero.tijl.coosemans.org> <20170825173851.09116ddc@kalimero.tijl.coosemans.org> <20170825234442.GO1700@kib.kiev.ua> <20170826202813.1240a1ef@kalimero.tijl.coosemans.org> <20170826184034.GR1700@kib.kiev.ua> <20171029182351.502f53cf@kalimero.tijl.coosemans.org> <20171029191358.GU2566@kib.kiev.ua> <9a724da4-70f1-4330-9a77-619739008a14@fgznet.ch> <20171030153207.15a42a1e@kalimero.tijl.coosemans.org> <9468430e-fda4-10f4-b6a0-aa40d7d64f5b@fgznet.ch> <20171031092803.GA2566@kib.kiev.ua> <9619a1f8-bb42-abc9-a4ee-3b93192f365e@fgznet.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Mailman-Approved-At: Tue, 31 Oct 2017 22:40:04 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 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: Tue, 31 Oct 2017 21:37:04 -0000 On Tue, 31 Oct 2017, Andreas Tobler wrote: > Do we, FreeBSD'ers, want to have gcc unwind support on older than > FreeBSD 9.3 releases? I think the gcc folks do not care, but we are the > ones who might have an need for such a support? > @Gerald, do you have an opinion? Yes. No. :-) Those possibly still stuck on obsolete versions of FreeBSD don't need/want fancy new compilers and GCC 4.9 is still available for use and does not exhibit this issue, correct? (If it does, nobody reported any problems.) > I can 'ifdef' the new code and in the 'else' case we fall back to > the already existing path. If it's "cheap", that might be nice. Thanks to the three of you - Tijl, Konstantin, and Andreas! Gerald