From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30306 invoked by alias); 19 Jan 2011 00:57:56 -0000 Received: (qmail 30297 invoked by uid 22791); 19 Jan 2011 00:57:55 -0000 X-SWARE-Spam-Status: No, hits=-2.2 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from smtp-out.google.com (HELO smtp-out.google.com) (216.239.44.51) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 19 Jan 2011 00:57:50 +0000 Received: from hpaq7.eem.corp.google.com (hpaq7.eem.corp.google.com [172.25.149.7]) by smtp-out.google.com with ESMTP id p0J0vlsH021265 for ; Tue, 18 Jan 2011 16:57:48 -0800 Received: from iwb12 (iwb12.prod.google.com [10.241.65.76]) by hpaq7.eem.corp.google.com with ESMTP id p0J0tcOc013480 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT) for ; Tue, 18 Jan 2011 16:57:46 -0800 Received: by iwb12 with SMTP id 12so279514iwb.10 for ; Tue, 18 Jan 2011 16:57:46 -0800 (PST) Received: by 10.42.164.201 with SMTP id h9mr21902icy.301.1295398665953; Tue, 18 Jan 2011 16:57:45 -0800 (PST) Received: from coign.google.com ([67.218.105.75]) by mx.google.com with ESMTPS id k38sm4856786ick.21.2011.01.18.16.57.42 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 18 Jan 2011 16:57:45 -0800 (PST) From: Ian Lance Taylor To: Nick Stokes Cc: gcc-help@gcc.gnu.org Subject: Re: g++ cross distro compilation problem References: Date: Wed, 19 Jan 2011 00:57:00 -0000 In-Reply-To: (Nick Stokes's message of "Tue, 18 Jan 2011 19:39:27 -0500") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-System-Of-Record: true X-IsSubscribed: yes Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org X-SW-Source: 2011-01/txt/msg00268.txt.bz2 Nick Stokes writes: > The current distro versions of GCC (4.5.0 for login, and 4.1.2 for > computes) are incompatible and insufficient anyway since we need to > maintain multiple versions of GCC to address user needs. The idea was > to install all of 4.3, 4.4 and 4.5 versions on different prefixes > (/opt/gcc/4.3, /opt/gcc/4.4 and /opt/gcc/4.5, respectively) and NFS > mount these on the login node for users. > > We stage the compilers, install, and test them on the compute nodes. > Everything seems ok. But on the login node the C++ compiler spits out > the following errors (for a simple hello world program): This must have something to do with the different versions of glibc being used on the different machines. I'm not sure what the exact problem is, though. Ian