From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 52219 invoked by alias); 28 Oct 2019 20:27:28 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 52204 invoked by uid 89); 28 Oct 2019 20:27:27 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 spammy=dire, bootstrapping, HCc:U*gcc, H*i:sk:acbd13b X-HELO: gate.crashing.org Received: from gate.crashing.org (HELO gate.crashing.org) (63.228.1.57) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 28 Oct 2019 20:27:26 +0000 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id x9SKRGRm008552; Mon, 28 Oct 2019 15:27:17 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id x9SKRDso008544; Mon, 28 Oct 2019 15:27:13 -0500 Date: Mon, 28 Oct 2019 20:27:00 -0000 From: Segher Boessenkool To: Jeff Law Cc: Gabriel Dos Reis , Andrew Dean , David Malcolm , "gcc@gcc.gnu.org" , "ro@CeBiTec.Uni-Bielefeld.DE" , "mikestump@comcast.net" , "jason@redhat.com" , Jonathan Wakely Subject: Re: GCC selftest improvements Message-ID: <20191028202713.GF28442@gate.crashing.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-IsSubscribed: yes X-SW-Source: 2019-10/txt/msg00171.txt.bz2 On Mon, Oct 28, 2019 at 01:40:03PM -0600, Jeff Law wrote: > On 10/25/19 6:01 PM, Gabriel Dos Reis wrote: > > Jason, Jonathan - is the situation on the terrain really that dire that C++11 (or C++14) isn't at all available for platforms that GCC is bootstrapped from? > The argument that I'd make is that's relatively uncommon (I know, I know > AIX) that bootstrapping in those environments may well require first > building something like gcc-9. > > I'd really like to see us move to C++11 or beyond. Sadly, I don't think > we have any good mechanism for making this kind of technical decision > when there isn't consensus. Which GCC version will be required to work as bootstrap compiler? Will 4.8.5 be enough? Segher