From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: curiosity in value of "source-directory" in function "autoload-generated-file" and in the containing file "autoload.el.gz" Date: Sun, 18 Jun 2017 22:02:35 +0300 Message-ID: <83injtxgok.fsf@gnu.org> References: NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1497812622 1957 195.159.176.226 (18 Jun 2017 19:03:42 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 18 Jun 2017 19:03:42 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Jun 18 21:03:39 2017 Return-path: Envelope-to: geh-help-gnu-emacs@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 1dMfU2-0000Jm-Jr for geh-help-gnu-emacs@m.gmane.org; Sun, 18 Jun 2017 21:03:38 +0200 Original-Received: from localhost ([::1]:39291 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dMfU7-00076G-ON for geh-help-gnu-emacs@m.gmane.org; Sun, 18 Jun 2017 15:03:43 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60054) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dMfTe-00076A-Hw for help-gnu-emacs@gnu.org; Sun, 18 Jun 2017 15:03:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dMfTb-00041M-GH for help-gnu-emacs@gnu.org; Sun, 18 Jun 2017 15:03:14 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:60151) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dMfTb-00041I-DP for help-gnu-emacs@gnu.org; Sun, 18 Jun 2017 15:03:11 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3737 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dMfTZ-000849-5f for help-gnu-emacs@gnu.org; Sun, 18 Jun 2017 15:03:11 -0400 In-reply-to: (message from Alan on Sun, 18 Jun 2017 09:51:37 -0700 (PDT)) 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: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:113524 Archived-At: > Date: Sun, 18 Jun 2017 09:51:37 -0700 (PDT) > From: Alan > Injection-Date: Sun, 18 Jun 2017 16:51:37 +0000 > > I find it curious that the file "/Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/autoload.el.gz" has the following code: > > (defun autoload-generated-file () > (expand-file-name generated-autoload-file > ;; File-local settings of generated-autoload-file should > ;; be interpreted relative to the file's location, > ;; of course. > (if (not (local-variable-p 'generated-autoload-file)) > (expand-file-name "lisp" source-directory)))) > > and "source-directory" in this code has no other mention in this file, except in a comment. source-directory is a built-in variable, defined in C. The above snippet is needed when building Emacs and when running it uninstalled, i.e. from its build tree. I think.