From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 56116 invoked by alias); 2 Jan 2016 15:40:02 -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 56106 invoked by uid 89); 2 Jan 2016 15:40:02 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.5 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=HTo:U*doko, HTo:D*ubuntu.com, 100000 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Sat, 02 Jan 2016 15:40:01 +0000 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (Postfix) with ESMTPS id 40D57C02C6A6; Sat, 2 Jan 2016 15:40:00 +0000 (UTC) Received: from zebedee.pink (ovpn-116-92.ams2.redhat.com [10.36.116.92]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u02Fdwq7017387; Sat, 2 Jan 2016 10:39:59 -0500 Subject: Re: [patch] [java] bump libgcj soname To: Matthias Klose , Jakub Jelinek References: <55365991.4030806@ubuntu.com> <20150421141125.GW1725@tucnak.redhat.com> <55365BB2.4080603@ubuntu.com> <20150421141924.GX1725@tucnak.redhat.com> <55365EE0.8070202@ubuntu.com> <20150421143747.GY1725@tucnak.redhat.com> <5687E158.7000401@ubuntu.com> Cc: GCJ-patches , "gcc-patches@gnu.org" From: Andrew Haley Message-ID: <5687EF4D.5030304@redhat.com> Date: Sat, 02 Jan 2016 15:40:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <5687E158.7000401@ubuntu.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2016-q1/txt/msg00001.txt.bz2 On 02/01/16 14:40, Matthias Klose wrote: > > preparing for a test rebuild of the archive, and trying to run gcj-dbtool (from > GCC 5) with libgcj16 (from GCC 6): > > $ gcj-dbtool -n /tmp/foo.db > libgcj failure: gcj linkage error. > Incorrect library ABI version detected. Aborting. > > Aborted (core dumped) > > natClassLoader.cc:_Jv_CheckABIVersion checks the ABI version, which is defined as > > libjava/include/jvm.h:#define GCJ_CXX_ABI_VERSION (__GNUC__ * 100000 + > __GNUC_MINOR__ * 1000) > > so this will be seen with everything directly linked to libgcj with a libgcj16 > upgraded to GCC 6. So what to do? Bump the soname, or discard this check? I'd bump the soname. > In any case, GCJ_CXX_ABI_VERSION should be changed to not include __GNUC_MINOR__ > anymore. Maybe for the gcc-5-branch, set it unconditionally to 3 so that it > won't change anymore with future releases from the gcc-5 branch? That's safe only if Classpath and libgcj are not changed at all. I guess we can guarantee that on the gcc-5 branch? Andrew.