linux-kernel - Re: [PATCH 1/2] kbuild: merge bounds.h and asm-offsets.h rules

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Date:	Mon, 05 Jan 2015 15:58:46 +0900
From:	Masahiro Yamada <yamada.m@...panasonic.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] kbuild: merge bounds.h and asm-offsets.h rules

Hi Michal,



On Fri, 02 Jan 2015 17:04:42 +0100
Michal Marek <mmarek@...e.cz> wrote:

> >  
> > -quiet_cmd_bounds = GEN     $@
> > -define cmd_bounds
> > +quiet_cmd_offsets = GEN     $@
> > +define cmd_offsets
> >  	(set -e; \
> > -	 echo "#ifndef __LINUX_BOUNDS_H__"; \
> > -	 echo "#define __LINUX_BOUNDS_H__"; \
> > +	 INCLUDE_GUARD=$$(echo __$(notdir $@)__ | tr '[a-z].-' '[A-Z]__'); \
> > +	 echo "#ifndef $$INCLUDE_GUARD"; \
> > +	 echo "#define $$INCLUDE_GUARD"; \
> 
> I think it would be more readable to write it as
> 
>   echo "#ifndef $(2)"; \
>   ...
> 
> and pass the include guard name as an argument to cmd_offsets.
> 
> Otherwise it's a great cleanup.
> 
> Michal


OK.  I have posted v2.


Best Regards
Masahiro Yamada

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