linux-kernel - Re: [PATCH] kbuild: Use uname for LINUX_COMPILE

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Message-ID: <CAK7LNAQr8keyEmWgyjy52XfCbCqAyYv_AquBkafFSDVnBHkfAA@mail.gmail.com>
Date:   Thu, 22 Oct 2020 13:25:16 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Chris Down <chris@...isdown.name>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH] kbuild: Use uname for LINUX_COMPILE_HOST detection

On Tue, Oct 20, 2020 at 6:35 PM Chris Down <chris@...isdown.name> wrote:
>
> `hostname` may not be present on some systems as it's not mandated by
> POSIX/SUSv4. This isn't just a theoretical problem: on Arch Linux,
> `hostname` is provided by `inetutils`, which isn't part of the base
> distribution.
>
>     ./scripts/mkcompile_h: line 38: hostname: command not found
>
> Use `uname -n` instead, which is more likely to be available (and
> mandated by standards).
>
> Signed-off-by: Chris Down <chris@...isdown.name>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> Cc: linux-kbuild@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---

Applied to linux-kbuild. Thanks.


>  scripts/mkcompile_h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
> index baf3ab8d9d49..4ae735039daf 100755
> --- a/scripts/mkcompile_h
> +++ b/scripts/mkcompile_h
> @@ -35,7 +35,7 @@ else
>         LINUX_COMPILE_BY=$KBUILD_BUILD_USER
>  fi
>  if test -z "$KBUILD_BUILD_HOST"; then
> -       LINUX_COMPILE_HOST=`hostname`
> +       LINUX_COMPILE_HOST=`uname -n`
>  else
>         LINUX_COMPILE_HOST=$KBUILD_BUILD_HOST
>  fi
> --
> 2.28.0
>


-- 
Best Regards
Masahiro Yamada