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: Q: What is default architecture for code produced by native compiler? Date: Thu, 26 Aug 2021 11:16:51 +0300 Message-ID: <83h7fctybw.fsf@gnu.org> References: <83pmu1vjzh.fsf@gnu.org> <83mtp4u1zx.fsf@gnu.org> <8dd78dc2-e8dd-517f-f202-93b25bb86532@gmx.at> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4614"; mail-complaints-to="usenet@ciao.gmane.io" Cc: akrl@sdf.org, arthur.miller@live.com, emacs-devel@gnu.org To: martin rudalics Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Aug 26 10:18:13 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 1mJAaR-0000zt-Rv for ged-emacs-devel@m.gmane-mx.org; Thu, 26 Aug 2021 10:18:11 +0200 Original-Received: from localhost ([::1]:49762 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJAaQ-00071G-MM for ged-emacs-devel@m.gmane-mx.org; Thu, 26 Aug 2021 04:18:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42890) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJAZT-0005lK-NK for emacs-devel@gnu.org; Thu, 26 Aug 2021 04:17:11 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:55020) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJAZS-00080Y-OD; Thu, 26 Aug 2021 04:17:10 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2877 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 1mJAZS-0004gR-Bo; Thu, 26 Aug 2021 04:17:10 -0400 In-Reply-To: <8dd78dc2-e8dd-517f-f202-93b25bb86532@gmx.at> (message from martin rudalics on Thu, 26 Aug 2021 10:02:16 +0200) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:273015 Archived-At: > Cc: emacs-devel@gnu.org, akrl@sdf.org > From: martin rudalics > Date: Thu, 26 Aug 2021 10:02:16 +0200 > > > Btw, -O3 is not recommended, as it frequently produces a slower Emacs. > > Where do we say that? I don't think we do. It's my personal recommendation, disregard it at will. > INSTALL has > > Here's an example of a 'configure' invocation, assuming a Bourne-like > shell such as Bash, which uses these variables: > > ./configure \ > CPPFLAGS='-I/foo/myinclude' LDFLAGS='-L/bar/mylib' \ > CFLAGS='-O3' LIBS='-lfoo -lbar' It's just an example, buried deep in a file that I doubt many people read. But feel free to use -Og or -Os there, if you think people could draw some unwanted conclusions from that example.