From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by sourceware.org (Postfix) with ESMTPS id A00403858410; Sat, 9 Oct 2021 07:44:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A00403858410 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4HRHBh5d2Sz1s8dB; Sat, 9 Oct 2021 09:44:28 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4HRHBh1xlCz1qqkC; Sat, 9 Oct 2021 09:44:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id zDSDntoCWQAP; Sat, 9 Oct 2021 09:44:27 +0200 (CEST) X-Auth-Info: 4I9gTHNE04jslZycgtWRDJLPdI+XGR/14sDyyXg79osaooXpmAXrJIhMhT63MU5E Received: from tiger.home (ppp-46-244-162-99.dynamic.mnet-online.de [46.244.162.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 9 Oct 2021 09:44:27 +0200 (CEST) Received: by tiger.home (Postfix, from userid 1000) id 61E08670C6; Sat, 9 Oct 2021 09:44:26 +0200 (CEST) From: Andreas Schwab To: Thomas Koenig via Fortran Cc: Iain Sandoe , Thomas Koenig , Jakub Jelinek , Paul Thomas , Segher Boessenkool , GCC Development , Tobias Burnus , David Edelsohn Subject: Re: libgfortran.so SONAME and powerpc64le-linux ABI changes References: <20211004100754.GL304296@tucnak> <3dacfdf6-6b23-f307-969a-94265b506edb@netcologne.de> <20211007153306.GY304296@tucnak> <5533983c-f4d2-5041-75c9-9287e4e31f10@netcologne.de> <749ABCA1-5C3B-4EB8-8E4F-9B967A67AB07@googlemail.com> <334901cf-72b6-d1d7-dae6-3ec45170cf95@netcologne.de> X-Yow: I have a very good DENTAL PLAN. Thank you. Date: Sat, 09 Oct 2021 09:44:26 +0200 In-Reply-To: (Thomas Koenig via Fortran's message of "Sat, 9 Oct 2021 00:55:30 +0200") Message-ID: <87r1cuhcbp.fsf@linux-m68k.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Oct 2021 07:44:33 -0000 On Okt 09 2021, Thomas Koenig via Fortran wrote: > There is no choice - we need to make object code compiled by the user > incompatible between the old and the new format on the systems where > we make the switch. If you link, but not recompile, object files compiled against different versions of glibc, you are in for surprises, too. This isn't something new. There is no guarantee of API stability. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."