linux-kernel - Re: [PATCH v2] uml: fix W=1 missing-include-dirs warnings

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Date:   Fri, 16 Apr 2021 04:14:13 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        linux-um@...ts.infradead.org
Subject: Re: [PATCH v2] uml: fix W=1 missing-include-dirs warnings

On Fri, Apr 16, 2021 at 2:14 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> Currently when using "W=1" with UML builds, there are over 700 warnings
> like so:
>
>   CC      arch/um/drivers/stderr_console.o
> cc1: warning: ./arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
>
> but arch/um/ does not have include/uapi/ at all, so add that
> subdir and put one Kbuild file into it (since git does not track
> empty subdirs).
>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> Cc: linux-kbuild@...r.kernel.org
> Cc: Jeff Dike <jdike@...toit.com>
> Cc: Richard Weinberger <richard@....at>
> Cc: Anton Ivanov <anton.ivanov@...bridgegreys.com>
> Cc: linux-um@...ts.infradead.org
> ---
> v2: use Option 4 from v1: add arch/um/include/uapi so that 'make' is
>     placated -- and just like all other arch's have.



Assuming the UML maintainer will pick up this:

Reviewed-by: Masahiro Yamada <masahiroy@...nel.org>







>  arch/um/include/uapi/asm/Kbuild |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/um/include/uapi/asm/Kbuild b/arch/um/include/uapi/asm/Kbuild
> new file mode 100644
> index 000000000000..f66554cd5c45
> --- /dev/null
> +++ b/arch/um/include/uapi/asm/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0



-- 
Best Regards
Masahiro Yamada