From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-32274-listarch-gdb=sources.redhat.com@sourceware.org>
Received: (qmail 29177 invoked by alias); 29 Jun 2008 15:36:09 -0000
Received: (qmail 29154 invoked by uid 22791); 29 Jun 2008 15:36:07 -0000
X-Spam-Check-By: sourceware.org
Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31)     by sourceware.org (qpsmtpd/0.31) with ESMTP; Sun, 29 Jun 2008 15:35:28 +0000
Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) 	by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id m5TFZOZe018035; 	Sun, 29 Jun 2008 11:35:24 -0400
Received: from pobox.corp.redhat.com (pobox.corp.redhat.com [10.11.255.20]) 	by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m5TFZNOH006520; 	Sun, 29 Jun 2008 11:35:23 -0400
Received: from opsy.redhat.com (vpn-10-29.bos.redhat.com [10.16.10.29]) 	by pobox.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m5TFZN7H001093; 	Sun, 29 Jun 2008 11:35:23 -0400
Received: by opsy.redhat.com (Postfix, from userid 500) 	id 6D394378267; Sun, 29 Jun 2008 09:32:02 -0600 (MDT)
To: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: drow@false.org, gdb@sourceware.org
Subject: Re: Automatic dependency tracking
References: <200806152203.14626.pedro@codesourcery.com> 	<u3anel69s.fsf@gnu.org> <20080616012617.GA8944@caradoc.them.org> 	<g35201$2uf$2@ger.gmane.org> <m33an413yx.fsf@fleche.redhat.com> 	<20080625182858.GA25575@caradoc.them.org> 	<200806281920.m5SJKAQI008684@brahms.sibelius.xs4all.nl> 	<m3k5g9l5ll.fsf@fleche.redhat.com>
From: Tom Tromey <tromey@redhat.com>
Reply-To: Tom Tromey <tromey@redhat.com>
X-Attribution:  Tom
Date: Sun, 29 Jun 2008 15:36:00 -0000
In-Reply-To: <m3k5g9l5ll.fsf@fleche.redhat.com> (Tom Tromey's message of "Sat\, 28 Jun 2008 13\:30\:46 -0600")
Message-ID: <m31w2g2r65.fsf@fleche.redhat.com>
User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Mailing-List: contact gdb-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb.sourceware.org>
List-Subscribe: <mailto:gdb-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb/>
List-Post: <mailto:gdb@sourceware.org>
List-Help: <mailto:gdb-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-owner@sourceware.org
X-SW-Source: 2008-06/txt/msg00311.txt.bz2

>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:

Tom> FWIW, rewriting the patch I sent to avoid GNU make is likely to
Tom> be pretty fiddly & painful.

So much for guessing.  Now I think it isn't too bad, if we do not mind
having dependencies only in the GNU make case.

Daniel> So timestamps shouldn't matter; the only new failure mode is
Daniel> that if you modify a header, the source files including it
Daniel> might not be automatically rebuilt.

I am happy to implement this, but it will be a major regression for
folks not using GNU make.

Tom