From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Rothwell Subject: Re: linux-next: build failure after merge of the tip tree Date: Thu, 17 Sep 2015 10:34:23 +1000 Message-ID: <20150917103423.1663c15e@canb.auug.org.au> References: <20150916101245.60235b54@canb.auug.org.au> <20150916061652.GB22064@krava.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from ozlabs.org ([103.22.144.67]:55155 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752750AbbIQAe0 (ORCPT ); Wed, 16 Sep 2015 20:34:26 -0400 In-Reply-To: <20150916061652.GB22064@krava.redhat.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Jiri Olsa Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Olsa , Arnaldo Carvalho de Melo Hi Jiri, On Wed, 16 Sep 2015 08:16:52 +0200 Jiri Olsa wrote: > > On Wed, Sep 16, 2015 at 10:12:45AM +1000, Stephen Rothwell wrote: > > > > After merging the tip tree, today's linux-next build (perf) failed > > like this: > > > > make[3]: *** No rule to make target 'tools/lib/api/fs/debugfs.h', needed by 'tools/perf/arch/common.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'arch' failed > > make[4]: *** No rule to make target 'fs/debugfs.h', needed by 'tools/perf/fs/fs.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'fs' failed > > make[3]: *** No rule to make target 'tools/lib/api/fs/debugfs.h', needed by 'tools/perf/util/abspath.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'util' failed > > Makefile:32: recipe for target 'tools/perf/libapi-in.o' failed > > Makefile.perf:417: recipe for target 'tools/perf/libapi.a' failed > > Makefile.perf:393: recipe for target 'tools/perf/libperf-in.o' failed > > Makefile:68: recipe for target 'all' failed > > > > Maybe caused by commit > > > > 60a1133a5b39 ("tools lib api fs: Remove debugfs, tracefs and findfs objects") > > > > This is an incremental build i.e. I do not do a "make clean" after doing > > the build for each tree merge (in case that matters). > > it does in this case, removed header files stay in > cmd build dependency file (like in .abspath.o.cmd above) > and cause build error > > build system is not smart enough yet to find out, > I was postponning fixing this for some time now, > I'll try to get this resolved asap OK, for now I will clean out my objdir before doing the perf build after the tip tree merge. It would be nice to have this fixed, though, if possible. -- Cheers, Stephen Rothwell sfr@canb.auug.org.au