From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17226 invoked by alias); 10 Dec 2008 12:33:29 -0000 Received: (qmail 17205 invoked by alias); 10 Dec 2008 12:33:29 -0000 Date: Wed, 10 Dec 2008 12:33:00 -0000 Message-ID: <20081210123329.17204.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug libgcj/38396] [4.4 Regression] libgcj_bc for 4.3 and 4.4 are binary incompatible but have the same SONAME In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: java-prs@gcc.gnu.org From: "rguenther at suse dot de" Mailing-List: contact java-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: java-prs-owner@gcc.gnu.org X-SW-Source: 2008-q4/txt/msg00107.txt.bz2 ------- Comment #13 from rguenther at suse dot de 2008-12-10 12:33 ------- Subject: Re: [4.4 Regression] libgcj_bc for 4.3 and 4.4 are binary incompatible but have the same SONAME On Wed, 10 Dec 2008, aph at gcc dot gnu dot org wrote: > ------- Comment #12 from aph at gcc dot gnu dot org 2008-12-10 12:17 ------- > Look at the exported symbols in the old version of libgcj_bc.so. > > Make sure that these symbols are exported: > > _Jv_JNI_PopSystemFrame > _Jv_LookupInterfaceMethod > _Jv_MonitorExit > _Jv_RegisterResource readelf -s libgcj_bc.so | grep '_Jv_RegisterResource\|_Jv_JNI_PopSystemFrame\|_Jv_LookupInterfaceMethod\|_Jv_MonitorExit' 43: 0000000000001330 2 FUNC GLOBAL DEFAULT 12 _Jv_LookupInterfaceMethod so only _Jv_LookupInterfaceMethod is there. But they are all provided by both libgcj.so.9 and libgcj.so.10 (which is what /usr/lib64/libgcj_bc.so.1 links to). The libgcj_bc.so is in /usr/lib64/gcc/x86_64-suse-linux/4.3 and thus only used if you link with gcj 4.3. Richard. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38396