linux-kernel - Re: [PATCH] kbuild: descend to scripts/kconfig/ directly when syncconfig is needed

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Message-ID: <CAK7LNATiQFTwyZsy-Hw1e8S=HBzT_tzjEkBwivQD+o=Cga1Yhw@mail.gmail.com>
Date:   Thu, 24 Jan 2019 13:25:36 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: descend to scripts/kconfig/ directly when
 syncconfig is needed

On Fri, Jan 18, 2019 at 5:17 PM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> The recursion of the top Makefile is inefficient.
> Just descend to scripts/kconfig/.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---

Applied to linux-kbuild.


>
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index 9851a44..d5f0ac4 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -631,7 +631,7 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
>  # include/generated/ and include/config/. Update them if .config is newer than
>  # include/config/auto.conf (which mirrors .config).
>  include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
> -       $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
> +       $(Q)$(MAKE) $(build)=scripts/kconfig syncconfig
>  else
>  # External modules and some install targets need include/generated/autoconf.h
>  # and include/config/auto.conf but do not care if they are up-to-date.
> --
> 2.7.4
>


-- 
Best Regards
Masahiro Yamada