From owner-freebsd-questions@FreeBSD.ORG Wed Jul 27 17:07:53 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1561816A41F for ; Wed, 27 Jul 2005 17:07:53 +0000 (GMT) (envelope-from gabor.kovesdan@t-hosting.hu) Received: from server.t-hosting.hu (server.t-hosting.hu [217.20.133.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8A5E143D45 for ; Wed, 27 Jul 2005 17:07:52 +0000 (GMT) (envelope-from gabor.kovesdan@t-hosting.hu) Received: from localhost (localhost [127.0.0.1]) by server.t-hosting.hu (Postfix) with ESMTP id 0F842997912; Wed, 27 Jul 2005 19:07:51 +0200 (CEST) Received: from server.t-hosting.hu ([127.0.0.1]) by localhost (server.t-hosting.hu [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 28354-02; Wed, 27 Jul 2005 19:07:47 +0200 (CEST) Received: from [80.98.156.20] (catv-50629c14.catv.broadband.hu [80.98.156.20]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by server.t-hosting.hu (Postfix) with ESMTP id 56EFC997827; Wed, 27 Jul 2005 19:07:47 +0200 (CEST) Message-ID: <42E7BF43.1090901@t-hosting.hu> Date: Wed, 27 Jul 2005 19:07:15 +0200 From: =?ISO-8859-1?Q?K=F6vesd=E1n_G=E1bor?= User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Nikolas Britton References: <42E69B11.6070208@t-hosting.hu> <42E815EC.20309@t-hosting.hu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: amavisd-new at t-hosting.hu Cc: FreeBSD - Questions Subject: Re: FreeBSD 6 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jul 2005 17:07:53 -0000 Nikolas Britton wrote: >On 7/27/05, Kövesdán Gábor wrote: > > >>Nikolas Britton wrote: >> >> >> >>>On 7/26/05, Kövesdán Gábor wrote: >>> >>> >>> >>> >>>>Nikolas Britton wrote: >>>> >>>> >>>> >>>> >>>> >>>>>Is it just me or is -O2 now the default for kernel builds? What about >>>>>-Os, safe to use? >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>So is it for me. But if I specify some CFLAGS, for example -O3 >>>>-march=athlon64, the >>>>building fails, but CFLAGS mustn't affect the kernel compiling process >>>>afaik. There is >>>>COPTFLAGS for that reason. I've also made a PR about this new, unwanted >>>>behaviour, >>>>but haven't got any answers so yet. >>>> >>>> >>>> >>>> >>>> >>>You are right, COPTCLAGS is for the kernel only. -O3 is not officially >>>supported for CFLAGS or COPTFLAGS. If you use -O3 for CFLAGS it will >>>break some ports. Also from my experience using anything higher then >>>CPUTYPE=p2 will break ports (like gstreamer). >>> >>>This is what I normally add to my make.conf file: >>>CPUTYPE=p2 >>>CFLAGS= -Os -pipes >>>COPTFLAGS= -Os -pipes >>>#CXXFLAGS= don't remember what I set this too, don't use it a lot. >>> >>>If I want a port to build with different settings I just tell it to >>>inline... make CPUTYPE=p4 install clean etc. >>> >>> >>> >>> >>> >>Yes, I know -O3 isn't supported for either, but I didn't mean ports. The >>kernel building >>fails with this: >>CFLAGS=-O3 -march=athlon64 >>#COPTFLAGS=-O3 -march=athlon64 <-This is commenred out! >>And this breaks the kernel compiling. See this: >> >>http://www.freebsd.org/cgi/query-pr.cgi?pr=83995 >> >> > >Isn't their a way to overide any setting in make.conf by putting it ( >-O flags ) inside the kernel config file, I seem to remember doing >something like that in the passed. Or you could do it all inline again >like: nice -20 make -j2 CYPUTYPE=p4 "CFLAGS= -Os -pipe" >KERNCONF=ME_COLONEL buildkernel > > IIRC, the makeoptions option is to do this in the kernel config file. E.g. makeoptions MODULES_OVERRIDE="" to skip modules building.