From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A3EDC04AB9 for ; Wed, 15 Aug 2018 16:49:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 306142150C for ; Wed, 15 Aug 2018 16:49:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QCrlVX8I" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 306142150C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729976AbeHOTmt (ORCPT ); Wed, 15 Aug 2018 15:42:49 -0400 Received: from mail-pl0-f53.google.com ([209.85.160.53]:40992 "EHLO mail-pl0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729347AbeHOTms (ORCPT ); Wed, 15 Aug 2018 15:42:48 -0400 Received: by mail-pl0-f53.google.com with SMTP id w19-v6so694470ply.8 for ; Wed, 15 Aug 2018 09:49:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=DVffCJTjZVBZ/Ri7N7jhnoxsecvTmwMEKsAHPr9otZ4=; b=QCrlVX8Ijej8mld1vk20w7qCnmhgmzEd2PRzf8QRQHMuwaIoZFO6L96HNyOD9Dq7o+ s2u3vF6g2/FKZHi2Z0dO9N5r5/bPnbBlQ8fd1uoANIZNy8z65LqDZo4IQRZZ32gtth4t Vc1wliwHI1+Eedr8+5BPilK0SD5d84hriZi+sA2BkPwLbRcs55pEboMQRWdBjtgKCZti rWbMK1z1KRb/8kX/KsDEXL0fD3PSdd8hGfwKij0zsDIi32fWsbXtznFf0gVfY8DQmgap zeGefx8f+4EUrgQV449F7p2hn7fMeoTi4AgPpy1gRtCw5cWoyiKc/YJ6lLmZeZl96B7H XiPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=DVffCJTjZVBZ/Ri7N7jhnoxsecvTmwMEKsAHPr9otZ4=; b=sSFq33T3vWz7A1NtbHEM5Fonr2GN74Ezc8JHmDS18wTlqAAFRQP6r4Gxt4DmJ3SESK H9XjTMh4f2XmY/qQvc3glfje/JLbpEk2jEnZ0ldWmT/uu/npbdfUwp5NSaoZzuz4O0YU q46Nh04oH62Y/QD6+xrdZsJWawFeqA4WDAMGl8wkH6WCbfjBlzbMkAdvBF4DMR3bB/Y1 BmrGVGu5XllR577eYm/czrL7CbueX7s3oNGmUnsFjCvQjHS3/XaQV/ZkXUf0HxAEd9az TMZEeDLKdvhr4LYr/T24qAiAuJNOkPcHGVIh4DKsP57qNVxTirSiU5P2z5n1dhsWiUxt 7vOA== X-Gm-Message-State: AOUpUlFpMEMXjI95p0kU7KrgSYzDF7LJLpu+axsd4XuQdpYN/sAMX6Hw DsXubw/g/yl1wmo0+AFChcY= X-Google-Smtp-Source: AA+uWPx0OVplKAPN67BmyH12KaikeOh0l7x6pHH6JKWzMh2Q6t921+U+cc0R07AZEcO8GON9VrSIVg== X-Received: by 2002:a17:902:4381:: with SMTP id j1-v6mr25236748pld.104.1534351793275; Wed, 15 Aug 2018 09:49:53 -0700 (PDT) Received: from localhost (108-223-40-66.lightspeed.sntcca.sbcglobal.net. [108.223.40.66]) by smtp.gmail.com with ESMTPSA id f90-v6sm39631890pfh.168.2018.08.15.09.49.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Aug 2018 09:49:52 -0700 (PDT) Date: Wed, 15 Aug 2018 09:49:51 -0700 From: Guenter Roeck To: Tony Luck Cc: Linus Torvalds , Linux Kernel Mailing List , Rik van Riel , Mike Galbraith , Dave Hansen , Andrew Morton Subject: Re: Build failures with gcc 4.5 and older Message-ID: <20180815164951.GA30932@roeck-us.net> References: <20180814170904.GA12768@roeck-us.net> <20180814173623.GA5117@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 15, 2018 at 09:09:17AM -0700, Tony Luck wrote: > On Tue, Aug 14, 2018 at 1:19 PM Tony Luck wrote: > > My ia64 test box only has 4.3.4. I seem to remember some pain points > > with newer versions of gcc on ia64. I need to poke around and find one > > new enough to get past this problem, but that still works for kernel building. > > I had problems trying to build an up to date (or even a slightly old) > gcc starting from 4.3.4. > Ah yes, one of those little details: Older versions of gcc don't build anymore with recent versions of gcc. > I did manage to build 4.6.4. > > 4.6.4 built git HEAD* that failed yesterday using 4.3.4. It boots OK. > FWIW, I use gcc 8.1.0 (from kernel.org) for my ia64 test builds. Of course, I have no idea if those builds actually create bootable images. Guenter