linux-kernel - Re: [PATCH 1/3] kconfig/Makefile: localmodconfig: use KCONFIG

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Date:   Tue, 12 Mar 2019 02:16:13 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Arseny Maslennikov <ar@...msu.ru>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-um@...ts.infradead.org
Subject: Re: [PATCH 1/3] kconfig/Makefile: localmodconfig: use KCONFIG_CONFIG

On Tue, Mar 5, 2019 at 1:58 AM Arseny Maslennikov <ar@...msu.ru> wrote:
>
> If the config file is reassigned through the KCONFIG_CONFIG
> makeflag/envvar, this rule still attempts to use the wrong, possibly
> nonexistent file.
> Let's fix that.


Are you just replacing .config with KCONFIG_CONFIG at random?

scripts/kconfig/streamline_config.pl
hard-codes the .config path,
so this does not work anyway.




> Signed-off-by: Arseny Maslennikov <ar@...msu.ru>
> ---
>  scripts/kconfig/Makefile | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> index 1c7ac07def4d..28be91964a20 100644
> --- a/scripts/kconfig/Makefile
> +++ b/scripts/kconfig/Makefile
> @@ -44,14 +44,14 @@ build_xconfig: $(obj)/qconf
>
>  localyesconfig localmodconfig: $(obj)/conf
>         $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
> -       $(Q)if [ -f .config ]; then                                     \
> -                       cmp -s .tmp.config .config ||                   \
> -                       (mv -f .config .config.old.1;                   \
> -                        mv -f .tmp.config .config;                     \
> +       $(Q)if [ -f $(KCONFIG_CONFIG) ]; then                           \
> +                       cmp -s .tmp.config $(KCONFIG_CONFIG) ||         \
> +                       (mv -f $(KCONFIG_CONFIG) .tmp.config.old.1;     \
> +                        mv -f .tmp.config $(KCONFIG_CONFIG);           \
>                          $< $(silent) --oldconfig $(Kconfig);           \
> -                        mv -f .config.old.1 .config.old)               \
> +                        mv -f .tmp.config.old.1 $(KCONFIG_CONFIG).old) \
>         else                                                            \
> -                       mv -f .tmp.config .config;                      \
> +                       mv -f .tmp.config $(KCONFIG_CONFIG);            \
>                         $< $(silent) --oldconfig $(Kconfig);            \
>         fi
>         $(Q)rm -f .tmp.config
> --
> 2.20.1
>


-- 
Best Regards
Masahiro Yamada