From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#6750: Byte compiler: spurious message "cl used at runtime" Date: Wed, 28 Jul 2010 18:15:53 +0000 Message-ID: <20100728181553.GC2999@muc.de> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1280340495 19682 80.91.229.12 (28 Jul 2010 18:08:15 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 28 Jul 2010 18:08:15 +0000 (UTC) To: 6750@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jul 28 20:08:11 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OeB35-0006BX-2e for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Jul 2010 20:08:11 +0200 Original-Received: from localhost ([127.0.0.1]:47806 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OeB34-0002E1-Es for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Jul 2010 14:08:10 -0400 Original-Received: from [140.186.70.92] (port=58989 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OeB2g-00026I-Uj for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:07:49 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OeB2f-0005VP-Nt for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:07:46 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:57361) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OeB2f-0005VL-MW for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:07:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1OeB02-0001pI-3w; Wed, 28 Jul 2010 14:05:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 28 Jul 2010 18:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 6750 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.12803402837012 (code B ref -1); Wed, 28 Jul 2010 18:05:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 28 Jul 2010 18:04:43 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OeAzi-0001p3-PA for submit@debbugs.gnu.org; Wed, 28 Jul 2010 14:04:42 -0400 Original-Received: from mail.gnu.org ([199.232.76.166] helo=mx10.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OeAzg-0001oy-QZ for submit@debbugs.gnu.org; Wed, 28 Jul 2010 14:04:41 -0400 Original-Received: from lists.gnu.org ([199.232.76.165]:35662) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1OeAzr-0001Rl-79 for submit@debbugs.gnu.org; Wed, 28 Jul 2010 14:04:51 -0400 Original-Received: from [140.186.70.92] (port=39312 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OeAzo-0001o5-Pt for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:04:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OeAzn-0004tZ-1u for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:04:47 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:1823 helo=mail.muc.de) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OeAzm-0004se-Sy for bug-gnu-emacs@gnu.org; Wed, 28 Jul 2010 14:04:47 -0400 Original-Received: (qmail 20153 invoked by uid 3782); 28 Jul 2010 18:04:43 -0000 Original-Received: from acm.muc.de (pD9E527D0.dip.t-dialin.net [217.229.39.208]) by colin2.muc.de (tmda-ofmipd) with ESMTP; Wed, 28 Jul 2010 20:04:43 +0200 Original-Received: (qmail 3811 invoked by uid 1000); 28 Jul 2010 18:15:53 -0000 Content-Disposition: inline User-Agent: Mutt/1.5.9i X-Delivery-Agent: TMDA/1.1.5 (Fettercairn) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 4.6-4.9 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 28 Jul 2010 14:05:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:39030 Archived-At: Hi, Emacs, In this macro declaration: (defmacro c-declare-lang-variables () `(progn ,@(mapcan (lambda (init) `(,(if (elt init 2) `(defvar ,(car init) nil ,(elt init 2)) `(defvar ,(car init) nil)) (make-variable-buffer-local ',(car init)))) (cdr c-lang-variable-inits)))) , (from cc-engine.el), the byte-compiler gives this warning: "Function `mapcan' from cl package called at runtime". It is clear that the mapcan, being within a ,@ construct, does its work at macro-expansion time, i.e. compile time. Thus the warning message is wrong. This is a bug. -- Alan Mackenzie (Nuremberg, Germany).