From owner-freebsd-current Mon Feb 5 15:18:38 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id PAA04633 for current-outgoing; Mon, 5 Feb 1996 15:18:38 -0800 (PST) Received: from Root.COM (implode.Root.COM [198.145.90.17]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id PAA04623 for ; Mon, 5 Feb 1996 15:18:32 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by Root.COM (8.6.12/8.6.5) with SMTP id PAA03804; Mon, 5 Feb 1996 15:17:22 -0800 Message-Id: <199602052317.PAA03804@Root.COM> X-Authentication-Warning: implode.Root.COM: Host localhost didn't use HELO protocol To: "Marty Leisner" cc: freebsd-current@freebsd.org, jdli@linux.csie.nctu.edu.tw Subject: Re: make world with -fomit-frame-pointer In-reply-to: Your message of "Mon, 05 Feb 1996 14:42:58 PST." <9602052242.AA01191@gnu.mc.xerox.com> From: David Greenman Reply-To: davidg@Root.COM Date: Mon, 05 Feb 1996 15:17:21 -0800 Sender: owner-current@freebsd.org Precedence: bulk >>> option to make world ? How about make kernel ?! >>> About make kernel, will "-O2" or "-O2 -m486" make kernel run faster ? >>> >>> Thanks. >>> -- >>> >>> > >I didn't read the message fully before I replied... > >-fomit-frame-pointer is something I've only seen in Linux. > >With -fomit-frame-pointer, you can't debug code...core dumps are >meaningless...Please don't do it!! > >The only place where it may be useful is in the kernel. We strip the symbol table from system utilities before installing them (making debugging impossible), so why do you think -fomit-frame-pointer will make things any worse in this respect? -DG David Greenman Core Team/Principal Architect, The FreeBSD Project