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Re: linux-next: build failure after merge of the tip tree

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Hi Jiri,

On Wed, 16 Sep 2015 08:16:52 +0200 Jiri Olsa <jolsa@redhat.com> 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
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linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2015-09-16 02:20 +0200
  Re: linux-next: build failure after merge of the tip tree Jiri Olsa <jolsa@redhat.com> - 2015-09-16 08:20 +0200
    Re: linux-next: build failure after merge of the tip tree Jiri Olsa <jolsa@redhat.com> - 2015-09-16 08:40 +0200
      Re: linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2015-09-16 09:40 +0200
        Re: linux-next: build failure after merge of the tip tree Arnaldo Carvalho de Melo <acme@redhat.com> - 2015-09-16 16:20 +0200
    Re: linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2015-09-17 02:40 +0200

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