From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 79491 invoked by alias); 24 Nov 2015 11:01:30 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 79404 invoked by uid 89); 24 Nov 2015 11:01:29 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-pa0-f53.google.com Received: from mail-pa0-f53.google.com (HELO mail-pa0-f53.google.com) (209.85.220.53) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 24 Nov 2015 11:01:26 +0000 Received: by pacej9 with SMTP id ej9so19336579pac.2 for ; Tue, 24 Nov 2015 03:01:24 -0800 (PST) X-Received: by 10.66.164.196 with SMTP id ys4mr41622412pab.119.1448362884533; Tue, 24 Nov 2015 03:01:24 -0800 (PST) Received: from E107787-LIN (gcc1-power7.osuosl.org. [140.211.15.137]) by smtp.gmail.com with ESMTPSA id e20sm13649871pfb.1.2015.11.24.03.01.21 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 24 Nov 2015 03:01:23 -0800 (PST) From: Yao Qi To: Pedro Alves Cc: Yao Qi , gdb-patches@sourceware.org, Simon Marchi Subject: Re: [PATCH 0/6] [C++] Drop -fpermissive hack, enable -Werror References: <1447864802-24016-1-git-send-email-palves@redhat.com> <564CB8EC.5000203@gmail.com> <564CBB15.7020209@redhat.com> <867fle1b5z.fsf@gmail.com> <564DE744.8030104@redhat.com> <86lh9types.fsf@gmail.com> <564F022A.10603@redhat.com> Date: Tue, 24 Nov 2015 11:01:00 -0000 In-Reply-To: <564F022A.10603@redhat.com> (Pedro Alves's message of "Fri, 20 Nov 2015 11:21:14 +0000") Message-ID: <864mgbzmo4.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2015-11/txt/msg00499.txt.bz2 Pedro Alves writes: > On my machine (x86_64 Fedora 20), C++ mode has no regressions compared > to C mode. I compared the test result on native arm and aarch64 gdb, there is no regression either. > If C++ is flipped to on by default on (e.g.) x86_64 GNU/Linux, then > the x86_64 GNU/Linux > buildbot builders will automatically start testing in C++ mode too. > If we do this, > then the Fedora builder (Fedora-x86_64-cxx-build-m64) that is > specifically building > with --enable-build-with-cxx should be flipped to build with > --enable-build-with-cxx=3Dno, > to catch C mode regressions, for as long as we support C mode. > OK, that is fine to me. After we start to build GDB in C++ mode on some hosts, I hope we don't have to support both modes too long. According the c++ conversion in gcc, ENABLE_BUILD_WITH_CXX on configure was added in 2009, and was removed on 2012. --=20 Yao (=E9=BD=90=E5=B0=A7)