From owner-freebsd-questions@FreeBSD.ORG Sun Feb 27 17:19:08 2005 Return-Path: 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 9CCB816A4CE for ; Sun, 27 Feb 2005 17:19:08 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id 133BB43D2D for ; Sun, 27 Feb 2005 17:19:08 +0000 (GMT) (envelope-from subhro.kar@gmail.com) Received: by wproxy.gmail.com with SMTP id 49so543427wri for ; Sun, 27 Feb 2005 09:18:57 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:mime-version:x-mailer:content-type:in-reply-to:x-mimeole:thread-index:message-id; b=BCCtxct+RZI1hqnk7SoooU/BZG5DMm3ZJxuQD6LMmE+lWghYqpLlohCrfpoDCg6NxqJj6NyZRPU0V8xe3jcHujcjoprfEvGfVVRh0nUWkz8qjZSMSo5fAxJni0jC3Z7FRdrzvjjEkemBOzmvVkOsXPgUd7AptNnzOqHBMMMPrBk= Received: by 10.54.17.78 with SMTP id 78mr175622wrq; Sun, 27 Feb 2005 09:18:57 -0800 (PST) Received: from firebox ([59.93.160.187]) by smtp.gmail.com with ESMTP id 10sm5955wrl.2005.02.27.09.18.54; Sun, 27 Feb 2005 09:18:57 -0800 (PST) From: "Subhro" To: "'Richard Danter'" , Date: Sun, 27 Feb 2005 22:48:32 +0530 MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook, Build 11.0.6353 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=SHA1; boundary="----=_NextPart_000_000A_01C51D1E.75366290" In-Reply-To: <4221F632.4060301@ntlworld.com> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Thread-Index: AcUc6hT9v1NOK3r4T5elhWwOi6PhVwABTMEg Message-ID: <42220101.4962813b.3031.00a0@smtp.gmail.com> Subject: RE: Optimising FreeBSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Feb 2005 17:19:08 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C51D1E.75366290 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit > -----Original Message----- > From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd- > questions@freebsd.org] On Behalf Of Richard Danter > Sent: Sunday, February 27, 2005 22:03 > To: freebsd-questions@freebsd.org > Subject: Optimising FreeBSD > > First, I think I need to edit the /etc/make.conf file. This is what I > think I should have in place: > > CPUTYPE ?= p2 # or p3 on my workstation > CFLAGS = -O -pipe # O2 and above not recommended? > COPTFLAGS= -O -pipe Make that CPUTYPE=p2 instead of CPUTYPE?=p2. The later is used if you build for p2 on a different platform. CFLAGS and COPTFLAGS look ok. You can try -O2 for COPTFLAGS but expect some instabilities. > > I am not sure I understand the difference between CFLAGS and COPTFLAGS. > Am I right in saying that COPTFLAGS is used for kernel builds and CFLAGS > is used for everything else? That's correct > > Is there anything else I need to set? Go through /usr/local/sys/i386/conf/NOTES. Read through the different processor flags. > > Assuming the settings above are right, now I guess I can rebuild my > kernel again without changing the configuration but I should now have p2 > specific code? Is there anything in the kernel config file I need to > check? Do I even need to rebuild since I had the I686_CPU setting? Just rebuilding the kernel after modifying make.conf should be enough. > > Next I guess I need to re-build the rest of the userland apps. Is it > simply a case of building world, or do I have to go through the whole > upgrade procedure as described in the Handbook? Yeh a rebuild of world is necessary. Well, not necessary but definitely recommended. > > I want to stick to -RELEASE, does this change (bug/security fixes)? If > so, how do I update? I can see CVSup config files for -CURRENT and > -STABLE, but not for -RELEASE. RELENG_X means FreeBSD X-STABLE, RELENG_X_Y means FreeBSD X.Y-RELEASE. Read through the "make world" section of the handbook again. > > I guess the last step is to recompile the ports I have installed. Is > there a quick way to rebuild just the ports I have installed or do I > need to go through them all one by one and 'make install clean' them? > > Anything else I have missed? The simplest way I would do is pkg_delete -ad. This would delete *all* the installed ports. Then selectively rebuild the ports as required. > Sorry for so many questions in one go! You don't learn something unless you have the guts to ask, so be proud about it. :-) Regards, S. 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