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

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Date:	Wed, 16 Sep 2015 11:17:05 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Jiri Olsa <jolsa@...hat.com>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiri Olsa <jolsa@...nel.org>
Subject: Re: linux-next: build failure after merge of the tip tree

Em Wed, Sep 16, 2015 at 05:30:25PM +1000, Stephen Rothwell escreveu:
> Hi Jiri,
> 
> On Wed, 16 Sep 2015 08:38:17 +0200 Jiri Olsa <jolsa@...hat.com> wrote:
> >
> > > > Also, building perf seems to ignore O=<dir> on the make invocation.
> > > > Is that expected?
> > > 
> > > hum, not sure about this one.. I'm not using it, but we have
> > > tests for this and I thought we're ok.. I'll check
> > 
> > seems to work on latest Arnaldo's perf/core,
> > what command line failed for you?
> > 
> > [jolsa@...va perf]$ make O=/tmp/krava/
> > ...
> > [jolsa@...va perf]$ ll /tmp/krava/perf
> > -rwxrwxr-x. 1 jolsa jolsa 12669704 Sep 16 08:36 /tmp/krava/perf
> 
> Thanks for the hint.  I was using a relative path and starting in the
> top of the kernel tree, so:

> $ cd kernel
> $ mkdir ../perf
> $ make -s -C tools/perf JOBS=24 O=../perf
> 
> put everything in toos/perf (no suprise really)
> 
> I will change my script to use an absolute path (which I checked does
> work fine).  Sorry for the noise.

Nice workaround, but I guess relative paths should be supported as well,
right? :)

- Arnaldo
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