From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark H Weaver Subject: Re: python-3.3.5 test failures on i686 in core-updates Date: Wed, 17 Sep 2014 06:49:05 -0400 Message-ID: <87lhpisese.fsf@yeeloong.lan> References: <87k353tq8b.fsf@yeeloong.lan> <87fvfrtepv.fsf@yeeloong.lan> <8761gmblrj.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:54632) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUCpB-0005Rb-QT for guix-devel@gnu.org; Wed, 17 Sep 2014 06:51:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XUCp6-0003ox-Vi for guix-devel@gnu.org; Wed, 17 Sep 2014 06:51:01 -0400 In-Reply-To: <8761gmblrj.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Wed, 17 Sep 2014 12:10:24 +0200") List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: Ludovic =?utf-8?Q?Court=C3=A8s?= Cc: guix-devel@gnu.org ludo@gnu.org (Ludovic Court=C3=A8s) writes: > Mark H Weaver skribis: > >> I wrote: >>> Python-3.3.5 fails its test suite on i686. >> >> This turns out to be a bug in glibc-2.20. >> I've filed an upstream ticket here: >> >> https://sourceware.org/bugzilla/show_bug.cgi?id=3D17398 > > It turned out to be a GCC 4.8 bug: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61801 > > So now we have two option: > > 1. Patch GCC 4.8.3 in core-updates, and rebuild the whole thing. > > 2. Switch to GCC 4.9 as the default. > > Option #1 is the safest, I think. > > Thoughts? We've not yet built GCC 4.9.x successfully on mips64el, so that leads me to prefer option #1. Thanks, Mark