From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#55595: 29.0.50; Compilation warnings on macOS Date: Mon, 23 May 2022 18:53:42 +0300 Message-ID: <83pmk45jp5.fsf@gnu.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29388"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 55595@debbugs.gnu.org To: Rudolf =?UTF-8?Q?Adamkovi=C4=8D?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon May 23 17:55:57 2022 Return-path: Envelope-to: geb-bug-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 1ntAPV-0007US-9M for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 May 2022 17:55:57 +0200 Original-Received: from localhost ([::1]:33128 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ntAPT-0006aJ-Nv for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 May 2022 11:55:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39436) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntAP7-0006ZU-CH for bug-gnu-emacs@gnu.org; Mon, 23 May 2022 11:55:33 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56173) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ntAOc-0008UO-2j for bug-gnu-emacs@gnu.org; Mon, 23 May 2022 11:55:33 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ntAOb-0007qD-R3 for bug-gnu-emacs@gnu.org; Mon, 23 May 2022 11:55:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 23 May 2022 15:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 55595 X-GNU-PR-Package: emacs Original-Received: via spool by 55595-submit@debbugs.gnu.org id=B55595.165332124730066 (code B ref 55595); Mon, 23 May 2022 15:55:01 +0000 Original-Received: (at 55595) by debbugs.gnu.org; 23 May 2022 15:54:07 +0000 Original-Received: from localhost ([127.0.0.1]:50070 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ntANi-0007os-UR for submit@debbugs.gnu.org; Mon, 23 May 2022 11:54:07 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:45950) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ntANe-0007oH-DF for 55595@debbugs.gnu.org; Mon, 23 May 2022 11:54:05 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:36616) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntANY-0008PY-VT; Mon, 23 May 2022 11:53:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=M7zNldXOFkPACpXO9nIx9lepIzHm4QaAjP6Vv58ixxI=; b=Z1Ls4H0cFUHRXnZnW1qk p1OGsgQ4PCQ70B0QX3+rEzjYoG52c950W1XQyToHBl2k7Ymsjn1eqYj+9gaaKPHBsh4B8JfZmtvOv lbIKQBZJhMVrYbr9j0pDHF4aLCNu1q0Q91cPfqVfMTTqoaZta9YeT6OGa1HVeKv53udZwp6pMgoU4 w4rMFSCTFwNxBwsJ2V+VbizA2MPKUVAEeEHZRDFsPBvOlSjAFmf6sf9RZ9fNacaMIvKnfd26HIeQb Tox145J11+I/ymz18L+pJtBxRYXmjtfpDHDHsBGMITsPtvfpJlA1wLC1Y/ISnSIVPx1AZXc6OswJ/ fOYrf3FE3R/17g==; Original-Received: from [87.69.77.57] (port=1906 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntANY-0003OP-AK; Mon, 23 May 2022 11:53:56 -0400 In-Reply-To: (bug-gnu-emacs@gnu.org) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:232981 Archived-At: > Date: Mon, 23 May 2022 17:42:15 +0200 > From: Rudolf Adamkovič via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > > FYI, I see the following compilation warnings (@ commit 5a1a67a256): > > CC comp.o > comp.c:2816:24: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas] > #pragma GCC diagnostic pop > ^ > comp.c:4698:24: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas] > #pragma GCC diagnostic pop > ^ > comp.c:4714:24: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas] > #pragma GCC diagnostic pop > ^ > comp.c:4967:24: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas] > #pragma GCC diagnostic pop > ^ > comp.c:5351:11: warning: variable 'data_ephemeral_vec' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] > if (!recursive_load) > ^~~~~~~~~~~~~~~ > comp.c:5365:28: note: uninitialized use occurs here > data_ephemeral_vec = data_ephemeral_vec; > ^~~~~~~~~~~~~~~~~~ > comp.c:5351:7: note: remove the 'if' if its condition is always true > if (!recursive_load) > ^~~~~~~~~~~~~~~~~~~~ > comp.c:5345:46: note: initialize the variable 'data_ephemeral_vec' to silence this warning > Lisp_Object volatile data_ephemeral_vec; > ^ > = NULL Is this GCC or Clang? If the latter, I guess we should disable -Wunknown-pragmas for it. The last warning is silly, but I guess it cannot harm anyone to initialize the variable where it's declared.