[PATCH v1 1/5] kconfig: allow defconfigs to live in board directory

[Troy Kisky]

On 12/28/2021 12:33 AM, Simon Glass wrote:
> Hi Troy,
> 
> On Fri, 17 Dec 2021 at 16:02, Troy Kisky <troy.kisky at boundarydevices.com> wrote:
>>
>> This will reduce the size of the configs directory, and
>> make it more clear which board directory uses the defconfig
>> file.
>>
>> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
>> ---
>>  scripts/kconfig/Makefile | 9 ++++++++-
>>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> Reviewed-by: Simon Glass <sjg at chromium.org>
> 
>>
>> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
>> index 12e525ee31f..307262e00de 100644
>> --- a/scripts/kconfig/Makefile
>> +++ b/scripts/kconfig/Makefile
>> @@ -92,8 +92,15 @@ else
>>  endif
>>  endif
>>
>> +%_defconfig: SHELL:=/bin/bash
>>  %_defconfig: $(obj)/conf
>> -       $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
>> +       $(Q)readarray -d '' names < <(find $(srctree)/configs $(srctree)/board -type f -name $@ -print0); \
>> +       if (test $${#names[*]} -eq 1); then \
>> +               $< $(silent) --defconfig="$${names[0]}" $(Kconfig); \
>> +       else \
>> +               echo "$@" not found or ambiguous error; \
>> +               echo "$${names[@]}"; exit 1; \
>> +       fi
>>
>>  # Added for U-Boot (backward compatibility)
>>  %_config: %_defconfig
>> --
>> 2.32.0
>>
> 
> How could this ever match more than one file?
> 
> Regards,
> Simon

If two different vendors decide to use the same defconfig file name, this will hit when the 2nd one
tries to merge it upstream.

BR
Troy