Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754937AbcK1TlE (ORCPT ); Mon, 28 Nov 2016 14:41:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59974 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752668AbcK1Tk4 (ORCPT ); Mon, 28 Nov 2016 14:40:56 -0500 Date: Mon, 28 Nov 2016 17:40:46 -0200 From: Arnaldo Carvalho de Melo To: Jiri Olsa Cc: Peter Foley , LKML , wangnan0@huawei.com Subject: Re: [PATCH v2] Fix objtool with clang Message-ID: <20161128194046.GB2361@redhat.com> References: <20161127161447.GA9347@krava> <20161128024346.17371-1-pefoley2@pefoley.com> <20161128113928.GD9072@krava> <20161128150024.GG2267@redhat.com> <20161128165859.GC30148@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161128165859.GC30148@krava> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.20 (2009-12-10) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 28 Nov 2016 19:40:55 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5624 Lines: 116 Em Mon, Nov 28, 2016 at 05:58:59PM +0100, Jiri Olsa escreveu: > On Mon, Nov 28, 2016 at 07:25:53AM -0800, Peter Foley wrote: > > On Mon, Nov 28, 2016 at 7:00 AM, Arnaldo Carvalho de Melo > > wrote: > > > After I applied this I started getting this: > > > > > > CC /tmp/build/perf/tests/sw-clock.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 > > > 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.... > > > CC /tmp/build/perf/tests/mmap-thread-lookup.o > > > > Odd, I can't reproduce that... > > Mind sending your gcc version + the output of make V=1 + the contents > > of the .cmd file causing the error? > > 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 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 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 Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... numa_num_possible_cpus: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ on ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ on ] ... bpf: [ on ] GEN /tmp/build/perf/common-cmds.h HOSTCC /tmp/build/perf/fixdep.o MKDIR /tmp/build/perf/pmu-events/ HOSTCC /tmp/build/perf/pmu-events/json.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep MKDIR /tmp/build/perf/pmu-events/ HOSTCC /tmp/build/perf/pmu-events/jsmn.o CC /tmp/build/perf/perf-read-vdso32 HOSTCC /tmp/build/perf/pmu-events/jevents.o MKDIR /tmp/build/perf/jvmti/ CC /tmp/build/perf/jvmti/libjvmti.o PERF_VERSION = 4.9.rc6.g47bcdb MKDIR /tmp/build/perf/ui/gtk/ 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 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 CC /tmp/build/perf/util/pmu.o CC /tmp/build/perf/util/pmu-flex.o LD /tmp/build/perf/util/libperf-in.o LD /tmp/build/perf/libperf-in.o Makefile:108: recipe for target 'install-bin' failed make: *** [install-bin] Error 2 make: Leaving directory '/home/acme/git/linux/tools/perf' [acme@jouet linux]$