From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:57033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TdNy3-0005nL-Bn for qemu-devel@nongnu.org; Tue, 27 Nov 2012 11:25:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TdNxy-0005hn-I9 for qemu-devel@nongnu.org; Tue, 27 Nov 2012 11:25:03 -0500 Received: from cantor2.suse.de ([195.135.220.15]:56244 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TdNxy-0005he-BA for qemu-devel@nongnu.org; Tue, 27 Nov 2012 11:24:58 -0500 Message-ID: <50B4E954.9010000@suse.de> Date: Tue, 27 Nov 2012 17:24:52 +0100 From: =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= MIME-Version: 1.0 References: <1354005293-17741-1-git-send-email-pbonzini@redhat.com> <50B4C3E3.4020403@redhat.com> <20121127134953.GA11770@cs.nctu.edu.tw> In-Reply-To: <20121127134953.GA11770@cs.nctu.edu.tw> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH 1.3] build: compile translate.o at -O1 optimization List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?IumZs+mfi+S7uyAoV2VpLVJlbiBDaGVuKSI=?= Cc: Peter Maydell , Paolo Bonzini , Gerd Hoffmann , qemu-devel@nongnu.org Am 27.11.2012 14:49, schrieb =E9=99=B3=E9=9F=8B=E4=BB=BB (Wei-Ren Chen): > On Tue, Nov 27, 2012 at 02:45:07PM +0100, Gerd Hoffmann wrote: >> On 11/27/12 14:24, Peter Maydell wrote: >>> On 27 November 2012 08:34, Paolo Bonzini wrote: >>>> Some versions of GCC require insane (>2GB) amounts of memory >>>> to compile translate.o. As a countermeasure, compile it >>>> with -O1. This should fix the buildbot failure for >>>> default_x86_64_fedora16. >>> >>> This is a well known bug in old gcc (ie fixed in 4.5, 4.6 and >>> trunk a year ago). Use a newer gcc, or a 64 bit build system >>> with a reasonable amount of RAM, or as a workaround apply some >>> suitable compiler flags by passing configure >>> '--extra-cflags=3D-fno-var-tracking'. This patch definitely >>> shouldn't be applied as we shouldn't be hampering the majority >>> for the benefit of old broken systems. >> >> It isn't that simple. It's Fedora 17 with gcc 4.7.2 which runs oom >> while compiling translate.c >=20 > Even apply Peter's suggestion? Do all gcc 4.7.2 on various platform > have the same problem, or it only happen on Fedora 17. I ran into the same problem with various versions of openSUSE in the openSUSE Build Service where v1.2 built fine. openSUSE Factory is using gcc 4.7.2, 12.2 4.7.1. Andreas --=20 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imend=C3=B6rffer; HRB 16746 AG N=C3=BC= rnberg