linux-kernel - Re: [PATCH 01/30] perf tools: Add new build framework support

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Message-ID: <20150106140618.GB25004@krava.brq.redhat.com>
Date:	Tue, 6 Jan 2015 15:06:18 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Borislav Petkov <bp@...en8.de>, Jiri Olsa <jolsa@...nel.org>,
	linux-kernel@...r.kernel.org,
	Alexis Berlemont <alexis.berlemont@...il.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 01/30] perf tools: Add new build framework support

On Tue, Jan 06, 2015 at 11:41:08AM -0200, Arnaldo Carvalho de Melo wrote:

SNIP

> > the reason for this switch is to have a first step towards
> > easy config support 'kernel Kconfig style like' in build
> > 
> > also with this change it's easier to see how the perf binary
> > is build and what flags were used for particular object..
> > at least for kernel developer used to kbuild ;-)
> > 
> > I also believe that the support to allow just part of the perf
> > code in perf binary will force the less spaghetti code ;-)
> 
> Right, making it possible for us to build a minimalistic perf will have
> manifold good implications :-)
> 
> But perhaps we could continue calling it the same way as in the kernel?
> I.e. we would then be using the "Kbuild" build configuration mechanism,
> the K would be there just for historic reasons.

well, the main reason I used 'Build' instead of 'KBuild' was to
'say' that this is not Kbuild makefile.. because it's not ;-)

It's separated build framework with no dependency on KBuild
makefiles. I think the 'KBuild' name could mislead folks when
hunting things in perf build.

jirka
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