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 13c8cc58bb: Enable warnings when building as a developer with Date: Mon, 11 Apr 2022 11:28:41 +0800 Message-ID: <87czho47ti.fsf@yahoo.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19913"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: Paul Eggert , monnier@IRO.UMontreal.CA, Emacs-devel@gnu.org To: Richard Stallman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 11 05:29:30 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 1ndkk6-00054l-FG for ged-emacs-devel@m.gmane-mx.org; Mon, 11 Apr 2022 05:29:30 +0200 Original-Received: from localhost ([::1]:40148 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ndkk5-0001To-Aw for ged-emacs-devel@m.gmane-mx.org; Sun, 10 Apr 2022 23:29:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40058) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ndkjX-0000hh-OT for Emacs-devel@gnu.org; Sun, 10 Apr 2022 23:28:55 -0400 Original-Received: from sonic316-21.consmr.mail.ne1.yahoo.com ([66.163.187.147]:43837) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ndkjW-0001gP-6s for Emacs-devel@gnu.org; Sun, 10 Apr 2022 23:28:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1649647732; bh=ffSO0j+D1V6mWaoTsvRhZOQhCc3VN/8sKnqlRgGmYX8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=I0szdJySr/aLzJAHUaDhdEEbVbPZztRMXBImSQbTf+yG+78hSxzmc1rP1GugJBP9xkiURYKdiYPozAeL7OValVNDEwugWZiogFjNS9gsW5PpEEuzO3rRrD+NflrnJRPbapCw5b0XNiXWCKp0wxHmyMofprkwGgPc3QAY0RpEOzbSRfl7NvFOAhYxV5JU5x71JAPSG8l81q3pmZCHWCCccMUBfp05/nDh1BdZm2KIMgPYRspwntWP2ZxRqYmyEjF7c0taBCTuaLG/QcwRK0yhsL+YCgf+Vi1nZ5CHuUatDIjGpeamiTpY5cuBqg/m7DPS0KVd56dEDJBBjSxkAg8QpA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1649647732; bh=L/W20MrWV0uNYFlOa0hOCNgyxAZnJQlmIVVzZJMKOfh=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=SaQGhgRgBErQKCjKFOOu9eOs7cOsNg3s2ip5StQoH1NaqnwNxEmcwGO8iJV+gSH8v7miEuz44tFupLADLR0M6FKJ2LwhBwebl/SzLo1lL8lg7b3M24clH84xTg61nm7MwCeFzz4OAJzmVwLrvkn5eDCj8NFe8GGLzWGyJ4e+lImTQhpy7RIA7O5KrKEc+M+hVIAd+A+xJdgO//XbLcE4TdY4I8UOWWScocmP2zzodNNr0+adFDh6KX9uNeczWImwFxMpQbeUnkiM6uF0ZAesNB32ctu+4VG1ZS1VRa+5ZNLL+tVPN0gVOGkcqgPKSKdFjsI/Gf5kkN0bTSYOLYBkrA== X-YMail-OSG: bnqQgewVM1mHcjIloIidfLVUVig006sCA6T0ybQAsC8fiHEeySMqM0sWPY.dVdT vwr1aOd1i_YGCnFxs2tznkhGeWyQGIU4JdVsH.KHGJ3vOF5P3O0gOQ6LbZY8Nyjj39O_QbRx3ZOb B62uMmAYtvvR0ZhBikp3PuMBAVT2QZGupufWtL8UP9qDid5MgIlelpb3EXkLoPD8.pmK7uiHcS7o ijnDVsZ66w5RBX920QPevD_kyen35tiaHQFdoa3WyA9J_EuMowybrAEn9JXI.uMZAqSoUcts9WOq rHMhWUceQKhH50JMGNgC5blnH2qH.LvlEtwlv6c_Bf0.AMgZgMfD9NtJaaKdRBiK3ohEJYJ0QDzt pgBY7CyiycHismCdVMIE.kLH0iEHSdQrwEnrIe6EFx510hSId4k0OKOrATmNYVgguxH8FN2wvi99 tOqgsbkienEPEpZWChOou0tq9b7OAJ9FpIbFRCO7kx3h1.9kIe0mm6UqVJikKgMC8A3HeKm8AQm_ TJw893cufV3TYWEM.fGdwT2UP0lzvzkOxh4Vj4J7k8bruifrkyS6_XRV49l2c.6WoWYtl2HePpVQ NttamTbll1NIc0b9vT_.R7dflPiI_.R5wwOu17wVJ_jipsIkQxDsdNPJfDqRyBctcw1qsdWCg0f3 WGnC4nPs0Pv6tJKTm3mxacyWt8N.FTYXpUlHw7s.QXGW.YsIPPK8q1rjGsBgCczTprGBRKdqUpEY fXD3LZ.hYEF70YyYWQWpJrRGaDlIHSOJN.BwNET3Qile5v4FaVt1_oRCoy8j9lp8fiHH62V9blAR Nq_kKoo9Pc0TcVxvJ36FhKPX3bgNIErG7kPaGgtHvN X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Mon, 11 Apr 2022 03:28:52 +0000 Original-Received: by hermes--canary-production-sg3-65d7bd97b5-8hnzk (VZM Hermes SMTP Server) with ESMTPA ID 78db9b813a1c30c1a430a4c23a5ee53c; Mon, 11 Apr 2022 03:28:45 +0000 (UTC) In-Reply-To: (Richard Stallman's message of "Sun, 10 Apr 2022 23:21:28 -0400") X-Mailer: WebService/1.1.20048 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.187.147; envelope-from=luangruo@yahoo.com; helo=sonic316-21.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:288171 Archived-At: Richard Stallman writes: > Is there a way to distinguish Clang from GCC by running shell commands? > Autoconf could use that to provide a way to distinguish them. Yes, in fact we already do that in Emacs: # clang is unduly picky about some things. AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #ifndef __clang__ error "not clang"; #endif ]])], [emacs_cv_clang=yes], [emacs_cv_clang=no])])