From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Kusanagi Kouichi <slash@ac.auone-net.jp>,
Bernd Petrovitsch <bernd@sysprog.at>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf tools: Fix build error on read only source.
Date: Wed, 18 Aug 2010 14:01:58 -0300 [thread overview]
Message-ID: <20100818170158.GG9410@ghostprotocols.net> (raw)
In-Reply-To: <20100818165642.GF9410@ghostprotocols.net>
Em Wed, Aug 18, 2010 at 01:56:42PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 18, 2010 at 04:27:45PM +0200, Peter Zijlstra escreveu:
> > On Wed, 2010-08-18 at 11:16 -0300, Arnaldo Carvalho de Melo wrote:
> > > rm -rf ~/build
> > > make O=~/build
> > >
> > > and have everything work? Saving some keystrokes 8)
> >
> > The turn side is that if you typo the output dir you'll probably not
> > ever find it again.. and you could have typed: rm -rf ~/build/* instead.
>
> Not something I'll argue too much :)
>
> I'll apply the patch as it fixes a bug and later make the perf Makefile
> complain about the output dir not existing, i.e. providing a message
> similar to what the kernel proper does instead of the cryptic message we
> get today.
[acme@emilia linux-2.6-tip]$ rm -rf ~/git/build/perf/
[acme@emilia linux-2.6-tip]$ make O=~/git/build/perf -C tools/perf
make: Entering directory `/home/acme/git/linux-2.6-tip/tools/perf'
Makefile:503: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev
Makefile:534: *** No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static. Stop.
make: Leaving directory `/home/acme/git/linux-2.6-tip/tools/perf'
[acme@emilia linux-2.6-tip]$
- Arnaldo
next prev parent reply other threads:[~2010-08-18 17:02 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-17 18:18 [PATCH] perf tools: Fix build error on read only source Arnaldo Carvalho de Melo
2010-08-18 12:37 ` Kusanagi Kouichi
2010-08-18 12:40 ` Peter Zijlstra
2010-08-18 14:16 ` Arnaldo Carvalho de Melo
2010-08-18 14:27 ` Peter Zijlstra
2010-08-18 16:56 ` Arnaldo Carvalho de Melo
2010-08-18 17:01 ` Arnaldo Carvalho de Melo [this message]
2010-08-18 19:09 ` Arnaldo Carvalho de Melo
2010-08-19 9:02 ` Bernd Petrovitsch
2010-08-18 14:14 ` Arnaldo Carvalho de Melo
2010-08-18 15:25 ` Bernd Petrovitsch
2010-08-18 17:19 ` Arnaldo Carvalho de Melo
2010-08-19 10:31 ` Bernd Petrovitsch
2010-08-19 14:13 ` Arnaldo Carvalho de Melo
-- strict thread matches above, loose matches on Subject: below --
2010-08-16 12:40 Kusanagi Kouichi
2010-08-16 15:24 ` Arnaldo Carvalho de Melo
2010-08-17 12:57 ` Kusanagi Kouichi
2010-08-17 14:08 ` Kusanagi Kouichi
2010-08-17 14:17 ` Arnaldo Carvalho de Melo
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