From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: How to tame compiler? Date: Thu, 22 Apr 2021 17:43:27 +0300 Message-ID: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38849"; mail-complaints-to="usenet@ciao.gmane.io" To: Help GNU Emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 22 16:44:15 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lZaYw-0009qe-Ob for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 22 Apr 2021 16:44:14 +0200 Original-Received: from localhost ([::1]:45526 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZaYv-0003pc-O6 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 22 Apr 2021 10:44:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57516) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZaYX-0003pU-C6 for help-gnu-emacs@gnu.org; Thu, 22 Apr 2021 10:43:50 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:37087) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZaYR-0001TQ-KV for help-gnu-emacs@gnu.org; Thu, 22 Apr 2021 10:43:47 -0400 Original-Received: from localhost ([::ffff:41.202.241.57]) (AUTH: PLAIN securesender, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000002BED1.0000000060818B9C.00007ACB; Thu, 22 Apr 2021 07:43:39 -0700 Received-SPF: pass client-ip=217.170.207.13; envelope-from=support1@rcdrun.com; helo=stw1.rcdrun.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:129117 Archived-At: As I have recently implemented new function that use `eval' to expand various variables and these variables are not visibly used in the program, I would like to tame the compiler, as I get these warnings: In rcd-send-email: rcd-mailing.el:225:62: Warning: Unused lexical variable `unsubscribe-url' rcd-mailing.el:231:21: Warning: Unused lexical variable `hello-name' rcd-mailing.el:234:72: Warning: Unused lexical variable `unsubscribe-text' rcd-mailing.el:252:11: Warning: Unused lexical variable `body' What is happening here is that those variables are used but inside of `eval' form which is expanded dynamically when program runs. Compiler cannot see that. Is there a way to avoid these warnings? Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns Sign an open letter in support of Richard M. Stallman https://stallmansupport.org/ https://rms-support-letter.github.io/