linux-kernel - Re: [PATCH 1/4] sh: fix -Wmissing-include-dirs warnings for various platforms

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Message-ID: <3c1b53fb670467b90138aaf3ef29bf235c2b4ffa.camel@physik.fu-berlin.de>
Date:   Sun, 19 Feb 2023 15:40:37 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Rich Felker <dalias@...c.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-sh@...r.kernel.org
Subject: Re: [PATCH 1/4] sh: fix -Wmissing-include-dirs warnings for various
 platforms

Hi Masahiro!

On Sun, 2023-02-19 at 23:15 +0900, Masahiro Yamada wrote:
> The 0day bot reports a lot of warnings (or errors due to CONFIG_WERROR)
> like this:
> 
>   cc1: error: arch/sh/include/mach-hp6xx: No such file or directory [-Werror=missing-include-dirs]
> 
> Indeed, arch/sh/include/mach-hp6xx does not exist.
> 
> -Wmissing-include-dirs is W=1 warning, but it may be annoying
> when CONFIG_BTRFS_FS is enabled because fs/btrfs/Makefile
> unconditionally adds this warning option.
> 
> arch/sh/Makefile defines machdir-y for two purposes:
> 
>  - Build platform code in arch/sh/boards/mach-*/
>  - Add arch/sh/include/mach-*/ to the header search path
> 
> For the latter, some platforms use arch/sh/include/mach-common/ instead
> of having its own arch/sh/include/mach-*/.
> 
> Drop unneeded machdir-y to not include non-existing include directory.
> 
> To build arch/sh/boards/mach-*/, use the standard obj-y syntax in
> arch/sh/boards/Makefile.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Link: https://lore.kernel.org/oe-kbuild-all/202302190641.30VVXnPb-lkp@intel.com/
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---

Thanks for your patches! I'm still waiting for my kernel.org account to be created,
so I can set up my own linux-sh tree. I hope that happens next week. There are already
some patches piling up.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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