From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20208 invoked by alias); 14 May 2012 15:15:32 -0000 Received: (qmail 20194 invoked by uid 22791); 14 May 2012 15:15:30 -0000 X-SWARE-Spam-Status: No, hits=-6.1 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,TW_BJ,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 14 May 2012 15:15:13 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q4EFEpNQ029372 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 14 May 2012 11:14:51 -0400 Received: from host2.jankratochvil.net (ovpn-116-17.ams2.redhat.com [10.36.116.17]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q4EFElaB012148 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Mon, 14 May 2012 11:14:50 -0400 Date: Mon, 14 May 2012 15:15:00 -0000 From: Jan Kratochvil To: Joel Brobecker Cc: Tom Tromey , gdb-patches@sourceware.org Subject: Re: Regression for gdb.fortran/library-module.exp [Re: [RFA] choose symbol from given block's objfile first.] Message-ID: <20120514151447.GA31010@host2.jankratochvil.net> References: <1336430581-11262-1-git-send-email-brobecker@adacore.com> <874nrqvbeh.fsf@fleche.redhat.com> <20120509190529.GI15555@adacore.com> <20120511072606.GA25458@host2.jankratochvil.net> <20120514143927.GB10253@adacore.com> <20120514145151.GA30451@host2.jankratochvil.net> <20120514150552.GH10253@adacore.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120514150552.GH10253@adacore.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2012-05/txt/msg00514.txt.bz2 On Mon, 14 May 2012 17:05:52 +0200, Joel Brobecker wrote: > Is it possible to link an executable that defines a global variable > against a shared library that also defines a global variable with > the same name? It's something I tried on GNU/Linux, but the linker > rejected the link. Works for me, it is also perfectly defined this way: echo -e '#include \nint x=1;void f(void){printf("lib:%d\\n",x);}'|gcc -x c -fPIC -Wall -shared -o var.so -;echo -e '#include \nint x=2;extern void f(void);int main(void){printf("main:%d\\n",x);f();return 0;}'|gcc ./var.so -x c -Wall -o var -;./var main:2 lib:2 Thanks, Jan