Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755275AbcK1UJO (ORCPT ); Mon, 28 Nov 2016 15:09:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58976 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753688AbcK1UIh (ORCPT ); Mon, 28 Nov 2016 15:08:37 -0500 Date: Mon, 28 Nov 2016 21:08:35 +0100 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: Peter Foley , LKML , wangnan0@huawei.com Subject: Re: [PATCH v2] Fix objtool with clang Message-ID: <20161128200835.GA15685@krava> References: <20161127161447.GA9347@krava> <20161128024346.17371-1-pefoley2@pefoley.com> <20161128113928.GD9072@krava> <20161128150024.GG2267@redhat.com> <20161128165859.GC30148@krava> <20161128194046.GB2361@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161128194046.GB2361@redhat.com> User-Agent: Mutt/1.7.1 (2016-10-04) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Mon, 28 Nov 2016 20:08:37 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3337 Lines: 75 On Mon, Nov 28, 2016 at 05:40:46PM -0200, Arnaldo Carvalho de Melo wrote: SNIP > > same here, can't reproduce.. might be some race issue we experienced before > > Ok, fails in f25 as well, will try again later taking ccache out of the way, etc. > > [acme@jouet linux]$ ccache -V > ccache version 3.3.3 is there some extra config needed for ccache? > Copyright (C) 2002-2007 Andrew Tridgell > Copyright (C) 2009-2016 Joel Rosdahl > > This program is free software; you can redistribute it and/or modify it under > the terms of the GNU General Public License as published by the Free Software > Foundation; either version 3 of the License, or (at your option) any later > version. > [acme@jouet linux]$ gcc -v I'm on F25 with same gcc version > Using built-in specs. > COLLECT_GCC=/usr/bin/gcc > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/6.2.1/lto-wrapper > Target: x86_64-redhat-linux > Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --disable-libgcj --with-isl --enable-libmpx --enable-gnu-indirect-function --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux > Thread model: posix > gcc version 6.2.1 20160916 (Red Hat 6.2.1-2) (GCC) > [acme@jouet linux]$ make -v > GNU Make 4.1 > Built for x86_64-redhat-linux-gnu > Copyright (C) 1988-2014 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. > [acme@jouet linux]$ > > > [acme@jouet linux]$ rm -rf /tmp/build/perf/ ; mkdir -p /tmp/build/perf ; make -k O=/tmp/build/perf -C tools/perf install-bin > make: Entering directory '/home/acme/git/linux/tools/perf' > BUILD: Doing 'make -j4' parallel build I'm building on 8 CPUs.. so not the race issue I guess SNIP > CC /tmp/build/perf/builtin-buildid-list.o > LD /tmp/build/perf/pmu-events/pmu-events-in.o > CC /tmp/build/perf/arch/x86/util/intel-bts.o > CC /tmp/build/perf/builtin-buildid-cache.o > CC /tmp/build/perf/builtin-list.o > LD /tmp/build/perf/arch/x86/util/libperf-in.o > MKDIR /tmp/build/perf/arch/x86/tests/ > CC /tmp/build/perf/arch/x86/tests/regs_load.o > /tmp/build/perf/.plugin_jbd2.o.cmd:3: *** empty variable name. Stop. > Makefile:192: recipe for target '/tmp/build/perf/plugin_jbd2-in.o' failed could you please post /tmp/build/perf/.plugin_jbd2.o.cmd file? and 'make ... V=1' output? thanks, jirka > make[2]: *** [/tmp/build/perf/plugin_jbd2-in.o] Error 2 > Makefile.perf:591: recipe for target '/tmp/build/perf/libtraceevent-dynamic-list' failed > make[1]: *** [/tmp/build/perf/libtraceevent-dynamic-list] Error 2 > make[1]: *** Waiting for unfinished jobs.... > MKDIR /tmp/build/perf/arch/x86/tests/ > CC /tmp/build/perf/arch/x86/tests/arch-tests.o SNIP