linux-kernel - Re: scripts/config bug: can not enable CONFIG_FONT_MINI

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Message-ID: <ee196f9c-a3f6-05fe-83c8-c81fbd73acfa@prevas.dk>
Date:   Wed, 16 Nov 2022 08:56:25 +0100
From:   Rasmus Villemoes <rasmus.villemoes@...vas.dk>
To:     "Zhou, Jie2X" <jie2x.zhou@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     "Li, Philip" <philip.li@...el.com>
Subject: Re: scripts/config bug: can not enable CONFIG_FONT_MINI_4x6

On 16/11/2022 08.29, Zhou, Jie2X wrote:
> hi,
> 
> This is a kernel bug.
> ./scripts/config convert "CONFIG_FONT_MINI_4x6" to "CONFIG_FONT_MINI_4X6=y" in config.
> x->X, Lower case letters become upper case letters after process.
> After "make olddefconfig", CONFIG_FONT_MINI_4x6 is not set.
> 
> Add CONFIG_FONT_MINI_4x6=y to .config.
> After "make olddefconfig", CONFIG_FONT_MINI_4x6 is set.
> 

>From the script you're invoking:

        if [ "$MUNGE_CASE" = "yes" ] ; then
                ARG="`echo $ARG | tr a-z A-Z`"
        fi
...
MUNGE_CASE=yes
while [ "$1" != "" ] ; do
...
        --keep-case|-k)
                MUNGE_CASE=no
                continue
                ;;

So perhaps use -k when using that script to enable one of the rare
config options that contains a lower-case letter.

Rasmus