linux-kernel - Re: [PATCH] Makefile: make sparse (CHECK) user-selectable

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Message-ID: <518A8EE6.90206@infradead.org>
Date:	Wed, 08 May 2013 10:44:06 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Phil Carmody <pc+lkml@...f.org>
CC:	mmarek@...e.cz, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Makefile: make sparse (CHECK) user-selectable

On 05/08/13 08:23, Phil Carmody wrote:
> I've got a tweaked version as well as the system default,
> so make the sparse binary that's run user-selectable.
> 

I'm confused about why this patch is necessary since I already do

$ make O=builddir CHECK=/path/to/sparse all

> Signed-off-by: Phil Carmody <pc+lkml@...f.org>
> ---
>  Makefile |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index a3a834b..e7a4851 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -338,7 +338,9 @@ GENKSYMS	= scripts/genksyms/genksyms
>  INSTALLKERNEL  := installkernel
>  DEPMOD		= /sbin/depmod
>  PERL		= perl
> -CHECK		= sparse
> +ifndef CHECK
> +  CHECK		= sparse
> +endif
>  
>  CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
>  		  -Wbitwise -Wno-return-void $(CF)
> 


-- 
~Randy
--
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