linux-kernel - Re: [PATCH] kconfig: announce removal of oldnoconfig if used

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Date:   Thu, 18 Jan 2018 12:56:15 +0100
From:   Ulf Magnusson <ulfalizer@...il.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Marc Herbert <marc.herbert@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kconfig: announce removal of oldnoconfig if used

On Thu, Jan 18, 2018 at 5:13 AM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> The 'oldnoconfig' is really confusing due to its counter-intuitive name.
> It was renamed by commit fb16d8912db5 ("kconfig: replace 'oldnoconfig'
> with 'olddefconfig', and keep the old name as an alias").
>
> The 'oldnoconfig' has been kept as an alias for enough period of time,
> and finally I am planning to remove it.  Meanwhile, the following
> message will be displayed if oldnoconfig is used.
>
>     WARNING: "oldnoconfig" target will be removed after Linux 4.19
>               Please use "olddefconfig" instead.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
>  scripts/kconfig/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> index 61cdc5e..9a349bd 100644
> --- a/scripts/kconfig/Makefile
> +++ b/scripts/kconfig/Makefile
> @@ -92,6 +92,8 @@ PHONY += oldnoconfig savedefconfig defconfig
>  # on its behavior (sets new symbols to their default value but not 'n') with the
>  # counter-intuitive name.
>  oldnoconfig: olddefconfig
> +       @echo "  WARNING: \"oldnoconfig\" target will be removed after Linux 4.19"
> +       @echo "            Please use \"olddefconfig\" instead."
>
>  savedefconfig: $(obj)/conf
>         $< $(silent) --$@...fconfig $(Kconfig)
> --
> 2.7.4
>

Reviewed-by: Ulf Magnusson <ulfalizer@...il.com>

Maybe it could be extended to "Please use \"olddefconfig\" instead,
which is an alias", to make it extra clear.

Guessing "no" is from the fact that bool/tristate symbols with no user
value default to n unless they're selected or have an active default.
Confusing name still.

Cheers,
Ulf