Re: [PATCH] perf tools: Fix build error on read only source.

[Arnaldo Carvalho de Melo]

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.

If Kouichi-san or Bernd could provide that patch for perf/core, even
better! ;-)

- Arnaldo
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