From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28556 invoked by alias); 19 Sep 2009 07:49:34 -0000 Received: (qmail 28546 invoked by uid 22791); 19 Sep 2009 07:49:33 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mail.gmx.net (HELO mail.gmx.net) (213.165.64.20) by sourceware.org (qpsmtpd/0.43rc1) with SMTP; Sat, 19 Sep 2009 07:49:29 +0000 Received: (qmail invoked by alias); 19 Sep 2009 07:49:26 -0000 Received: from xdsl-87-78-71-226.netcologne.de (EHLO localhost.localdomain) [87.78.71.226] by mail.gmx.net (mp014) with SMTP; 19 Sep 2009 09:49:26 +0200 Received: from ralf by localhost.localdomain with local (Exim 4.69) (envelope-from ) id 1MouhA-0004lm-F2 for gcc@gcc.gnu.org; Sat, 19 Sep 2009 09:49:24 +0200 Date: Sat, 19 Sep 2009 07:49:00 -0000 From: Ralf Wildenhues To: gcc@gcc.gnu.org Subject: combined enable-build-with-cxx bootstrap comparison failure Message-ID: <20090919074924.GA11080@gmx.de> Mail-Followup-To: Ralf Wildenhues , gcc@gcc.gnu.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-08-09) X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2009-09/txt/msg00335.txt.bz2 If I combine GCC and binutils-gdb, bootstrap, enable gold, use --enable-build-with-cxx: configured by ../src/configure, generated by GNU Autoconf 2.64, with options " '-C' '--enable-maintainer-mode' '--enable-objc-gc' '--enable-libssp' '--enable-sim' '--enable-gold' '--enable-build-with-cxx' 'CC=/home/ralf/recent/bin/gcc' 'CXX=/home/ralf/recent/bin/g++' '--enable-languages=c,c++,fortran,java,objc,obj-c++'" and a very recent GCC as $build compiler: | gcc (GCC) 4.5.0 20090916 (experimental) GMP 4.2.1, MPFR 3.0.0.dev, then I get a bootstrap comparison failure: Comparing stages 2 and 3 warning: gcc/cc1obj-checksum.o differs warning: gcc/cc1-checksum.o differs warning: gcc/cc1plus-checksum.o differs warning: gcc/cc1objplus-checksum.o differs Bootstrap comparison failure! gold/i386.o differs gold/stringpool.o differs x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/eh_alloc.o differs x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/eh_globals.o differs x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/vec.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/mt_allocator.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/system_error.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/future.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/pool_allocator.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/basic_file.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/atomic.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/locale.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/mt_allocator.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/system_error.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/future.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/pool_allocator.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/basic_file.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/atomic.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/locale.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/locale_init.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/debug.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/locale_init.o differs x86_64-unknown-linux-gnu/libstdc++-v3/src/debug.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/libsupc++/eh_alloc.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/libsupc++/eh_globals.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/libsupc++/guard.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/libsupc++/vec.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/mt_allocator.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/system_error.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/future.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/pool_allocator.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/basic_file.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/atomic.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/locale.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/mt_allocator.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/system_error.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/future.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/pool_allocator.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/basic_file.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/atomic.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/locale.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/locale_init.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/.libs/debug.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/locale_init.o differs x86_64-unknown-linux-gnu/32/libstdc++-v3/src/debug.o differs make[2]: *** [compare] Error 1 Now, what do I do to (help) debug this? Open a PR? Attach some of the object files (which)? How do I know this is the same as (or different from) ? Note the comparison failure does not occur if I - don't build from a combined tree (i.e., using binutils for Debian 2.18.0.20080103), or - turn off both of --enable-gold --enable-build-with-cxx (I cannot turn off the latter without turning off the former, see mail on gcc-patches.) Thanks, Ralf