From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: master c8bde5b0a3: Fix two no-X compilation warnings Date: Wed, 23 Mar 2022 19:48:42 +0800 Message-ID: <877d8kdh45.fsf@yahoo.com> References: <164798008014.25625.1667266381969929314@vcs2.savannah.gnu.org> <20220322201440.6B4ABC01680@vcs2.savannah.gnu.org> <874k3pebdk.fsf@yahoo.com> <8735j8c40c.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26836"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Mar 23 13:37:03 2022 Return-path: Envelope-to: ged-emacs-devel@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 1nX0EX-0006dY-Bm for ged-emacs-devel@m.gmane-mx.org; 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Wed, 23 Mar 2022 11:48:51 +0000 Original-Received: by kubenode518.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID fc3a7a049949a38a89cfcf1bca996b4b; Wed, 23 Mar 2022 11:48:46 +0000 (UTC) In-Reply-To: <8735j8c40c.fsf@gnus.org> (Lars Ingebrigtsen's message of "Wed, 23 Mar 2022 12:17:07 +0100") X-Mailer: WebService/1.1.19894 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.190.146; envelope-from=luangruo@yahoo.com; helo=sonic315-20.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:287386 Archived-At: Lars Ingebrigtsen writes: > Po Lu writes: > >> I thought the right thing to do in this particular situation was to add >> a defvar form that read something like this: >> >> (defvar x-resource-name) > > That would hide the compilation warning, too -- but if the code actually > ends up being called, it'll bug out. (That's not very likely in this > case, though.) Hmm, thanks for explaining. But I thought defvar didn't do anything with variables that are already defined, such as in C code. Thanks.