linux-kernel - Re: [PATCH 02/36] tools build: Add detected config support

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Message-ID: <20150115162109.GC17228@krava.brq.redhat.com>
Date:	Thu, 15 Jan 2015 17:21:09 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	David Ahern <dsahern@...il.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Alexis Berlemont <alexis.berlemont@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.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 02/36] tools build: Add detected config support

On Thu, Jan 15, 2015 at 08:50:40AM -0700, David Ahern wrote:
> On 1/15/15 5:54 AM, Jiri Olsa wrote:
> >Adding support to include detected configuration makefile
> >into the build process. This will allow the Build objects
> >to be configurable based on the config data, like:
> >
> >   perf-$(CONFIG_KRAVA) += krava.o
> >
> >The configuration is stored in '.config-detected' file,
> >which is generated for each compilation.
> 
> So this file is similar to kernel's .config file and is generated based on
> today's autoprobing?
> 

yep, it's the way to pass detected data/variables from perf detection
system (config/Makefile) to the build framework, it get's generated
every build

the plan is to have '.config' in the future that will gather user's
configuration

jirka
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