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 1E6853857807 for ; Wed, 5 May 2021 19:10:31 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 1E6853857807 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-454-PcyEFozIMceWjQo57pFySQ-1; Wed, 05 May 2021 15:10:29 -0400 X-MC-Unique: PcyEFozIMceWjQo57pFySQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3EC086D582; Wed, 5 May 2021 19:10:28 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-112-137.ams2.redhat.com [10.36.112.137]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 65E5819C46; Wed, 5 May 2021 19:10:27 +0000 (UTC) From: Florian Weimer To: Andreas Schwab Cc: libc-alpha@sourceware.org Subject: Re: [PATCH v2] elf: Implement filtering of symbols historically defined in libpthread References: <87eeelfg77.fsf@oldenburg.str.redhat.com> <87h7jhxasp.fsf@igel.home> Date: Wed, 05 May 2021 21:10:44 +0200 In-Reply-To: <87h7jhxasp.fsf@igel.home> (Andreas Schwab's message of "Wed, 05 May 2021 21:03:50 +0200") Message-ID: <877dkdate3.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.8 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_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 May 2021 19:10:32 -0000 * Andreas Schwab: > When bison is rebuilt with a linker that contains binutils commit > b293661219c, it no longer crashes, and this patch isn't needed. Hmm. I worry we need to preserve compatibility with old binaries. Not everyone can do distribution bootstrap or has the source code to carry it out. Thanks, Florian