From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Skipping unexec via a big .elc file Date: Mon, 24 Oct 2016 19:04:45 +0300 Message-ID: <837f8x4tsy.fsf@gnu.org> References: <7baa18d4-2b09-caa8-005e-29008a383ad1@cs.ucla.edu> <83mvhwrgd5.fsf@gnu.org> <8539f38f-9a11-44c3-4de7-bb974c96206c@cs.ucla.edu> <8360ojpndr.fsf@gnu.org> <83shrnm0k1.fsf@gnu.org> <83insi5jy9.fsf@gnu.org> <83bmya5i7q.fsf@gnu.org> <834m425eb5.fsf@gnu.org> <831sz65anw.fsf@gnu.org> <2aea885d-c0dc-595f-3135-a564e92a905d@dancol.org> <83y41e3vaa.fsf@gnu.org> <83wpgy3trd.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1477325551 31368 195.159.176.226 (24 Oct 2016 16:12:31 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 24 Oct 2016 16:12:31 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 24 18:12:26 2016 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 1byhr8-0005Zz-SI for ged-emacs-devel@m.gmane.org; Mon, 24 Oct 2016 18:12:10 +0200 Original-Received: from localhost ([::1]:47805 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byhrB-00074w-6L for ged-emacs-devel@m.gmane.org; Mon, 24 Oct 2016 12:12:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52542) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byhk5-0000oc-0R for emacs-devel@gnu.org; Mon, 24 Oct 2016 12:04:58 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1byhjz-0008Ps-Hf for emacs-devel@gnu.org; Mon, 24 Oct 2016 12:04:52 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:50731) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1byhjz-0008Po-Et; Mon, 24 Oct 2016 12:04:47 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2285 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1byhjz-0007ij-1f; Mon, 24 Oct 2016 12:04:47 -0400 In-reply-to: (message from Stefan Monnier on Mon, 24 Oct 2016 09:52:54 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:208696 Archived-At: > From: Stefan Monnier > Date: Mon, 24 Oct 2016 09:52:54 -0400 > > > . Implement a command that writes a given list of *.elc files into a > > single file. > > > . Make the C code that today runs at dump time and records various > > build-related variables, such as source-directory and > > system-configuration-features, record the values in a Lisp file > > (eventually will be the same .elc file that is loaded at startup). > > BTW, my dumped.elc attempt was specifically trying to solve these > issues: by dumping the state of the obarray, we automatically get these > vars set like we want them. It also solves other side-issues such as > making sure that `C-h f dolist RET' points to "subr.el" rather than to > "dumped.elc". I consider tinkering with obarray's internals still too "advanced" to prefer it to a simple generation of Lisp code that records values of a few variables. (And are you sure all of the information we record at dump time is in obarray? I am not.) The number of these variables is not large, so finding them in the sources will not be hard.