linux-kernel - Re: [PATCH 2/4] s390: drop unneeded -Wall addition from tools Makefile

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Message-Id: <20190601102137.GC3600@osiris>
Date:   Sat, 1 Jun 2019 12:21:37 +0200
From:   Heiko Carstens <heiko.carstens@...ibm.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Martin Schwidefsky <schwidefsky@...ibm.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] s390: drop unneeded -Wall addition from tools
 Makefile

On Fri, May 17, 2019 at 04:54:25PM +0900, Masahiro Yamada wrote:
> The top level Makefile adds -Wall globally for all host tools:
> 
>   KBUILD_HOSTCFLAGS   := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \
> 
> I see two "-Wall" added for compiling these tools.
> 
> Of course, it is allowed to pass the same option multiple times, but
> we do not need to do so.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
>  arch/s390/tools/Makefile | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/s390/tools/Makefile b/arch/s390/tools/Makefile
> index 4ff6a2124522..8fb66c99840a 100644
> --- a/arch/s390/tools/Makefile
> +++ b/arch/s390/tools/Makefile
> @@ -14,8 +14,7 @@ kapi:	$(kapi-hdrs-y)
>  hostprogs-y		    += gen_facilities
>  hostprogs-y		    += gen_opcode_table
> 
> -HOSTCFLAGS_gen_facilities.o += -Wall $(LINUXINCLUDE)
> -HOSTCFLAGS_gen_opcode_table.o += -Wall
> +HOSTCFLAGS_gen_facilities.o += $(LINUXINCLUDE)

Applied, thanks.