From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23895 invoked by alias); 15 Nov 2010 21:40:06 -0000 Received: (qmail 23875 invoked by uid 22791); 15 Nov 2010 21:40:05 -0000 X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE X-Spam-Check-By: sourceware.org Received: from mailout-de.gmx.net (HELO mail.gmx.net) (213.165.64.22) by sourceware.org (qpsmtpd/0.43rc1) with SMTP; Mon, 15 Nov 2010 21:40:01 +0000 Received: (qmail invoked by alias); 15 Nov 2010 21:39:59 -0000 Received: from xdsl-89-0-100-140.netcologne.de (EHLO localhost.localdomain) [89.0.100.140] by mail.gmx.net (mp012) with SMTP; 15 Nov 2010 22:39:59 +0100 Received: from ralf by localhost.localdomain with local (Exim 4.69) (envelope-from ) id 1PI6mL-0005oU-Sl; Mon, 15 Nov 2010 22:39:57 +0100 Date: Mon, 15 Nov 2010 22:02:00 -0000 From: Ralf Wildenhues To: Joern Rennecke Cc: Paolo Bonzini , gcc-patches@gcc.gnu.org, DJ Delorie , Alexandre Oliva , Nathanael Nerode Subject: Re: RFA: avoid circular dependency (using doc/../doc) (Was: Re: copying a timestamp) Message-ID: <20101115213957.GF20856@gmx.de> Mail-Followup-To: Ralf Wildenhues , Joern Rennecke , Paolo Bonzini , gcc-patches@gcc.gnu.org, DJ Delorie , Alexandre Oliva , Nathanael Nerode References: <20101112091310.xfc3pvh9ogw0sskg-nzlynne@webmail.spamcop.net> <4CDD502D.9060405@gnu.org> <20101112100204.lhw5uyhrpcswogo8-nzlynne@webmail.spamcop.net> <4CDD5805.8040708@gnu.org> <20101112110038.qzd8l0pbgo4swgs8-nzlynne@webmail.spamcop.net> <20101114094629.21cjtbpj8gogcogg-nzlynne@webmail.spamcop.net> <20101114152721.GE3399@gmx.de> <20101114103502.1kyi9jus6ooo0o4c-nzlynne@webmail.spamcop.net> <20101114154631.GH3399@gmx.de> <20101114132829.05yt062q8cg8swwo-nzlynne@webmail.spamcop.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101114132829.05yt062q8cg8swwo-nzlynne@webmail.spamcop.net> User-Agent: Mutt/1.5.20 (2010-08-04) X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2010-11/txt/msg01605.txt.bz2 * Joern Rennecke wrote on Sun, Nov 14, 2010 at 07:28:29PM CET: > Quoting Ralf Wildenhues: > > > >It's not likely that this will disappear, but code like that will jump > >out at the casual reader months from now as likely-buggy. So that would > >definitely deserve a comment. > > OK, I've added some. Thanks. > >Maybe also a make-time (or > >configure-time) test that this feature/bug has not changed? > > That sounds hard to get right, and hopefully it will be moot when we > get a proper resolution of the GPL / GFDL issues. > At any rate, the expected failure mode is that make will go back to complain > about a circular dependency. Ah, that sounds good enough then. Thanks, Ralf