From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTP id 096DB3858C39 for ; Thu, 7 Oct 2021 10:01:24 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 096DB3858C39 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-278-GvLQYZiMNIOpCOTnvIctRQ-1; Thu, 07 Oct 2021 06:01:20 -0400 X-MC-Unique: GvLQYZiMNIOpCOTnvIctRQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1F9EB5074F; Thu, 7 Oct 2021 10:01:19 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.39.193.109]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7CECE60BF1; Thu, 7 Oct 2021 10:01:18 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.16.1/8.16.1) with ESMTPS id 197A1FYl3929720 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Thu, 7 Oct 2021 12:01:15 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.16.1/8.16.1/Submit) id 197A1D6H3929719; Thu, 7 Oct 2021 12:01:13 +0200 Date: Thu, 7 Oct 2021 12:01:12 +0200 From: Jakub Jelinek To: Andreas Schwab Cc: Alastair McKinstry , Thomas Koenig , Segher Boessenkool , gcc@gcc.gnu.org, Jonathan Wakely , fortran@gcc.gnu.org, Tobias Burnus Subject: Re: libgfortran.so SONAME and powerpc64le-linux ABI changes Message-ID: <20211007100112.GS304296@tucnak> Reply-To: Jakub Jelinek References: <20211004100754.GL304296@tucnak> <20211004141410.GP304296@tucnak> <6d845542-536e-1a0f-70e9-d05eea98aae7@netcologne.de> <20211005215450.GC10333@gate.crashing.org> <90df1250-9b3f-4a55-bc67-e3e05e54f7ef@netcologne.de> <2ed0ad86-f19f-dd72-31cf-52acae3aab6a@debian.org> <87bl4188f6.fsf@igel.home> MIME-Version: 1.0 In-Reply-To: <87bl4188f6.fsf@igel.home> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, 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: Thu, 07 Oct 2021 10:01:25 -0000 On Thu, Oct 07, 2021 at 11:56:45AM +0200, Andreas Schwab wrote: > On Okt 07 2021, Alastair McKinstry wrote: > > > I strongly advise against this -- identical SONAMEs for the libraries on > > all architectures is a key assumption on all Debian-based distributions > > and designs > > Even glibc has differing sonames on some architectures. And libgcc_s, > too. Yeah, lib[cm].so.6 on most arches and lib[cm].so.6.1 on ia64 or alpha. At least on Fedora I don't see a problem having libgfortran.so.5 on most arches and libgfortran.so.6 on ppc64le. And then next year or two/3 switch to libgfortran.so.7 everywhere. Jakub