From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Neil Jerram Newsgroups: gmane.lisp.guile.devel Subject: Re: Build failure on master Date: Tue, 14 Jul 2009 16:05:39 +0100 Message-ID: <87my775mpo.fsf@arudy.ossau.uklinux.net> References: <1247412093.30108.4.camel@localhost.localdomain> <87bpnpva3w.fsf@gnu.org> <874otf7min.fsf@arudy.ossau.uklinux.net> <87my777649.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1247583975 27494 80.91.229.12 (14 Jul 2009 15:06:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 14 Jul 2009 15:06:15 +0000 (UTC) Cc: guile-devel@gnu.org To: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Tue Jul 14 17:06:08 2009 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1MQjZw-0004Ik-73 for guile-devel@m.gmane.org; Tue, 14 Jul 2009 17:06:00 +0200 Original-Received: from localhost ([127.0.0.1]:50503 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MQjZv-0004e7-BU for guile-devel@m.gmane.org; Tue, 14 Jul 2009 11:05:59 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MQjZo-0004bX-Ad for guile-devel@gnu.org; Tue, 14 Jul 2009 11:05:52 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MQjZj-0004Xg-J4 for guile-devel@gnu.org; Tue, 14 Jul 2009 11:05:51 -0400 Original-Received: from [199.232.76.173] (port=39234 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MQjZj-0004Xa-CO for guile-devel@gnu.org; Tue, 14 Jul 2009 11:05:47 -0400 Original-Received: from mail3.uklinux.net ([80.84.72.33]:38239) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MQjZe-0001oX-DK; Tue, 14 Jul 2009 11:05:43 -0400 Original-Received: from arudy (host86-152-99-133.range86-152.btcentralplus.com [86.152.99.133]) by mail3.uklinux.net (Postfix) with ESMTP id 096421F7929; Tue, 14 Jul 2009 16:05:41 +0100 (BST) Original-Received: from arudy.ossau.uklinux.net (arudy [127.0.0.1]) by arudy (Postfix) with ESMTP id 285043801F; Tue, 14 Jul 2009 16:05:40 +0100 (BST) In-Reply-To: <87my777649.fsf@gnu.org> ("Ludovic =?iso-8859-1?Q?Court=E8s?= =?iso-8859-1?Q?=22's?= message of "Tue\, 14 Jul 2009 15\:21\:10 +0200") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.4-2.6 X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:8867 Archived-At: ludo@gnu.org (Ludovic Court=E8s) writes: > Currently, the code just checks for the magic cookie (see > `make_objcode_by_mmap=A0()'), and if it differs, e.g., because the version > isn't right, it just bails out. Thanks for confirming that. > Eventually, maybe it could handle this gracefully. For instance, if > said object file is from the cache, then it could just recompile and > overwrite it with a new object file. Yes, this is what I'd (intuitively, but without detailed knowledge) expect. > Then it could also try to interpret version numbers and determine > whether that bytecode is really incompatible, or whether it can > interpret it. Are there scenarios where that would be worthwhile? Regards, Neil