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.devel Subject: Re: emacs-28 9c222b9: Port to C compilers that lack size-0 arrays Date: Fri, 03 Dec 2021 20:29:13 +0200 Message-ID: <83tufp7dae.fsf@gnu.org> References: <83bl1y85np.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19528"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 03 19:31:15 2021 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 1mtDL1-0004sL-1a for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Dec 2021 19:31:15 +0100 Original-Received: from localhost ([::1]:35514 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtDKz-0004Ke-Kd for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Dec 2021 13:31:13 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:57768) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtDJR-0003OC-MF for emacs-devel@gnu.org; Fri, 03 Dec 2021 13:29:37 -0500 Original-Received: from [2001:470:142:3::e] (port=45154 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mtDJQ-0000CA-Kv; Fri, 03 Dec 2021 13:29:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=Xn8TQfVMkcxVwiHx2ikufet/970xMRKYygWbgQ/r6Iw=; b=M7YNNoQw5oig d8Q6kyZDgjAy10m7LNhAEkYhuwW37Z5dnAE0OmWKMN9qaM7TTpJeVjW03tDZlMLWh9lCwp+9qF1Ob /mo6mDhlrjTy+nHIyXgif5l9dYFZD8+7Yf9jvZ3uH57Ta0sa6lxZMjtq9BvSo0HZuJOr7fJh9Kv5J 4Dlz89mx53xz+eFaDNAYvIaQdyg2t6KcT85sfBXjiKQ3xdk+cvd6zwopEqHF2dULTj5QW5ZoKz6gu EPHTq0xheTC2e9EY9rMJevLbHivODi6ZMNFc1jGCITKWxu9//dt7tsuBqWsedwYcWpBDagScrXRoK n0aoncLY6TsJiS6tixaQKw==; Original-Received: from [87.69.77.57] (port=2098 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 1mtDJC-0005pi-Tj; Fri, 03 Dec 2021 13:29:34 -0500 In-Reply-To: (message from Paul Eggert on Fri, 3 Dec 2021 08:46:23 -0800) 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:280854 Archived-At: > Date: Fri, 3 Dec 2021 08:46:23 -0800 > Cc: emacs-devel@gnu.org > From: Paul Eggert > > What I experienced was a ton of diagnostics with both the Oracle Solaris > and the IBM AIX C compilers, which made it difficult for me to see the > real problems on those platforms (of which there were some). Any reason why we should be concerned about these two platforms? They are proprietary compilers on proprietary OSes. > Conforming to the C standard doesn't affect behavior here (it possibly > doesn't even change the machine code, though I didn't check this) so I > considered the change to be a safe prophylactic. Famous last words. Please always raise the issue on the list before installing such non-trivial changes on the release branch.