* Jiri Olsa <jo...@redhat.com> wrote:
> On Thu, Feb 27, 2014 at 01:30:52PM +0100, Ingo Molnar wrote:
> >
> > * Jiri Olsa <jo...@redhat.com> wrote:
> >
> > > On Thu, Feb 27, 2014 at 12:46:58PM +0100, Ingo Molnar wrote:
> > > >
> > > > * Arnaldo Carvalho de Melo <a...@infradead.org> wrote:
> > > >
> > > > > From: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
> > > > >
>
> SNIP
>
> > > > Pulled, thanks a lot Arnaldo!
> > > >
> > > > Btw., the build output looks weird now - on a system that used to pass
> > > > all feature tests there's this output:
> > > >
> > > > BUILD: Doing 'make -j12' parallel build
> > > > config/Makefile:288: No libdw DWARF unwind found, Please install
> > > > elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR
> > > >
> > > > Auto-detecting system features:
> > > > ... dwarf: [ on ]
> > > > ... glibc: [ on ]
> > > > ... gtk2: [ on ]
> > > > ... libaudit: [ on ]
> > > > ... libbfd: [ on ]
> > > > ... libelf: [ on ]
> > > > ... libnuma: [ on ]
> > > > ... libperl: [ on ]
> > > > ... libpython: [ on ]
> > > > ... libslang: [ on ]
> > > > ... libunwind: [ on ]
> > > > ... libdw-dwarf-unwind: [ OFF ]
> > > > ... DWARF post unwind library: libunwind
> > > >
> > > > but:
> > > >
> > > > Package elfutils-devel-0.156-5.fc19.x86_64 already installed and
> > > > latest version
> > > >
> > > > Also, the information content of this line is unclear to me:
> > > >
> > > > ... DWARF post unwind library: libunwind
> > > >
> > > >
> > > > what does that line want to tell?
> > >
> > > this tells what DWARF unwind library is compiled
> > > in.. 'libunwind' in this case
> >
> > So my (stylistic) complaint is that it's really reading weird in a
> > table generated with the following purpose:
> >
> > Auto-detecting system features:
> >
> > Also, we already know that libunwind is present, because just in the
> > line before it, it says:
> >
> > ... libunwind: [ on ]
> >
> > So it's doubly confusing. How about not displaying that line at all?
> > Is there a strong reason to not keep 'OFF' messages on a single line?
>
> well, on/OFF lines are only about detecting libs
>
> this line:
> 'DWARF post unwind library: libunwind'
>
> is about telling which one goes in.. could be you have both
> libraries detected and need to choose one or keep default
Okay - but that is not at all clear from the output.
Thanks,
Ingo
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