linux-kernel - Re: [PATCH v2] kconfig: autogenerated config_is

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Date:	Tue, 17 May 2011 20:19:38 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH v2] kconfig: autogenerated config_is_xxx macro

On 16:45 Tue 17 May     , Michal Marek wrote:
> On Fri, May 06, 2011 at 07:03:49AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > this will allow to use to use
> > 
> > 	if(config_is_xxx())
> > 	if(config_is_xxx_module())
> > 
> > in the code instead of
> > 
> > 	#ifdef CONFIG_xxx
> > 	#ifdef CONFIG_xxx_MODULE
> > 
> > and now let the compiler remove the non usefull code and not the
> > pre-processor
> > 
> > as done in the mach-types for arm as exmaple
> > 
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
> 
> I pushed this to kbuild-2.6.git#kconfig, but I found an issue that needs
> to be fixed before we start using this feature: scripts/basic/fixdep
> scans source files for occurences of CONFIG_xxx and adds dependencies on
> include/config/xxx. It needs to be taught to match  config_is_xxx as
> well.
ok I take a look as I'm some patch that use it

Best Regards,
J.
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