From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Jason Rumney Newsgroups: gmane.emacs.devel Subject: Re: Anyone built Emacs with gcc-3.3? Date: Tue, 08 Jul 2003 15:39:47 +0100 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: <3F0AD7B3.2090103@gnu.org> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Trace: main.gmane.org 1057677174 20111 80.91.224.249 (8 Jul 2003 15:12:54 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Tue, 8 Jul 2003 15:12:54 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Tue Jul 08 17:12:43 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 19Zu95-0005DB-00 for ; Tue, 08 Jul 2003 17:12:43 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 19ZuJT-000422-00 for ; Tue, 08 Jul 2003 17:23:27 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.20) id 19Zu2F-00011Z-1O for emacs-devel@quimby.gnus.org; Tue, 08 Jul 2003 11:05:39 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.20) id 19Zu1s-0000zg-8R for emacs-devel@gnu.org; Tue, 08 Jul 2003 11:05:16 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.20) id 19Zu1q-0000zJ-Oq for emacs-devel@gnu.org; Tue, 08 Jul 2003 11:05:15 -0400 Original-Received: from [209.61.173.204] (helo=integrasp.com) by monty-python.gnu.org with smtp (Exim 4.20) id 19Ztds-0002sk-St for emacs-devel@gnu.org; Tue, 08 Jul 2003 10:40:29 -0400 Original-Received: (qmail 13487 invoked from network); 8 Jul 2003 14:33:52 -0000 Original-Received: from host217-37-167-241.in-addr.btopenworld.com (HELO ntserver.altio.com) (217.37.167.241) by 66.216.96.43 with SMTP; 8 Jul 2003 14:33:52 -0000 Original-Received: from gnu.org (ALTIOJR [192.168.111.42]) by ntserver.altio.com with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id NFNPDA18; Tue, 8 Jul 2003 15:40:11 +0100 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en Original-To: rms@gnu.org In-Reply-To: Original-cc: emacs-pretesters@gnu.org Original-cc: "Marshall, Simon" X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1b5 Precedence: list List-Id: Emacs development discussions. List-Help: List-Post: List-Subscribe: , List-Archive: List-Unsubscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:15489 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:15489 Richard Stallman wrote: > Yes, Emacs works with 3.2.3. With 3.3 it dumps core on C-x C-c in > __do_global_dtors_aux() after Fkill_emacs() calls exit(). > > I have a hunch that relates to unexec. Perhaps unexec fails to > preserve some of the data that __do_global_dtors_aux uses. > > Debugging the details is the only way to proceed. Someone else reported yesterday that a recent version of ld from binutils has changed the position of some of the data segments in ELF executables, causing problems with unexec. I think it is worth investigating if this is really the cause of the gcc 3.3 problems, as it could save a lot of debugging.