From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: compiled lisp file format (Re: Skipping unexec via a big .elc file) Date: Sun, 28 May 2017 14:09:14 -0700 Organization: UCLA Computer Science Department Message-ID: <554fd451-8c5a-755d-1fba-a5473bf2ecfc@cs.ucla.edu> References: <8A8DA980-13A7-4F8B-9D07-391728C673C9@raeburn.org> <123104DD-447F-4CDB-B3A0-CED80E3AC8C9@raeburn.org> <20170403165736.GA2851@acm> <2497A2D5-FDB1-47FF-AED3-FD4ABE2FE144@raeburn.org> <83lgrhpalq.fsf@gnu.org> <0D99B4FE-FEEF-4565-87D6-E230A05DEF3C@raeburn.org> <86lgrc4vob.fsf@molnjunk.nocrew.org> <834ly0oew1.fsf@gnu.org> <968E8F50-92F6-43C7-B7E4-EE8378943087@raeburn.org> <83wpawmj4d.fsf@gnu.org> <1e397033-8291-1625-8b78-a1e1c200aea5@gmail.com> <18196f08-408d-8b17-423e-8be54507bb84@gmail.com> <8360hkkcgj.fsf@gnu.org> <26b35c16-33e7-0e08-9cc5-6f9b81e40968@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1496005767 18023 195.159.176.226 (28 May 2017 21:09:27 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 28 May 2017 21:09:27 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 Cc: Emacs developers To: Ken Raeburn Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun May 28 23:09:23 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dF5RD-0004Zx-9F for ged-emacs-devel@m.gmane.org; Sun, 28 May 2017 23:09:23 +0200 Original-Received: from localhost ([::1]:45257 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dF5RI-00075z-P4 for ged-emacs-devel@m.gmane.org; Sun, 28 May 2017 17:09:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60438) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dF5RB-00075r-T7 for emacs-devel@gnu.org; Sun, 28 May 2017 17:09:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dF5R8-0007vr-P2 for emacs-devel@gnu.org; Sun, 28 May 2017 17:09:21 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:55886) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dF5R8-0007tQ-IY for emacs-devel@gnu.org; Sun, 28 May 2017 17:09:18 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id C1D321600A7; Sun, 28 May 2017 14:09:16 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 2jmlFJafsm_r; Sun, 28 May 2017 14:09:16 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 108C31600C6; Sun, 28 May 2017 14:09:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id eYBPVRUs0pkc; Sun, 28 May 2017 14:09:15 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.153.188.248]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id E76021600A7; Sun, 28 May 2017 14:09:15 -0700 (PDT) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:215291 Archived-At: Ken Raeburn wrote: > I think Guile is using whatever the native word size and architecture a= re. If we do that for Emacs, they=E2=80=99re not portable between platfo= rms. Sure, but we're talking about the format Emacs uses to save its state, no= t the=20 format of .elc files. Currently Emacs saves its state as an executable fi= le that=20 in general cannot be moved from one GNU/Linux distribution to another eve= n if=20 they have the same architecture. Switching to Guile's platform-neutral ap= proach=20 would make Emacs's saved-state format more portable, not less.