From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24794 invoked by alias); 16 Apr 2013 09:49:00 -0000 Mailing-List: contact java-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: java-patches-owner@gcc.gnu.org Received: (qmail 24776 invoked by uid 89); 16 Apr 2013 09:49:00 -0000 X-Spam-SWARE-Status: No, score=-6.7 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.1 X-Spam-User: qpsmtpd, 2 recipients Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Tue, 16 Apr 2013 09:48:59 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r3G9mwij001858 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 16 Apr 2013 05:48:58 -0400 Received: from zalov.cz (vpn-57-214.rdu2.redhat.com [10.10.57.214]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r3G9muik017358 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 16 Apr 2013 05:48:57 -0400 Received: from zalov.cz (localhost [127.0.0.1]) by zalov.cz (8.14.5/8.14.5) with ESMTP id r3G9mt7C005786; Tue, 16 Apr 2013 11:48:55 +0200 Received: (from jakub@localhost) by zalov.cz (8.14.5/8.14.5/Submit) id r3G9mrXR005785; Tue, 16 Apr 2013 11:48:53 +0200 Date: Tue, 16 Apr 2013 09:49:00 -0000 From: Jakub Jelinek To: Andreas Schwab Cc: java-patches@gcc.gnu.org, gcc-patches@gcc.gnu.org Subject: Re: [PATCH] Fix linking with -findirect-dispatch Message-ID: <20130416094852.GO12880@tucnak.redhat.com> Reply-To: Jakub Jelinek References: <20130416083855.GM12880@tucnak.redhat.com> <20130416091929.GN12880@tucnak.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-SW-Source: 2013-q2/txt/msg00026.txt.bz2 On Tue, Apr 16, 2013 at 11:37:07AM +0200, Andreas Schwab wrote: > Jakub Jelinek writes: > > > at dynamic link time it is a dummy library with no symbols that just > > adds DT_NEEDED of the latest and greatest libgcj.so.N, which provides > > all the symbols. > > Which is exactly the problem. --no-copy-dt-needed-entries has been the > default for a long time now. Why would that be a problem? libgcj.so the linker sees (i.e. the dummy library) doesn't intentionally have DT_NEEDED libgcj.so.N, programs and shared libraries linked with -findirect-dispatch should be adding libgcj_bc.so to DT_NEEDED, not libgcj.so.N. If this is caused by some recent broken linker change, then that should be better reverted. Jakub