[U-Boot] [PATCH] Makefile: restore *_config target

[Jeroen Hofstee]

Hello Masahiro,

On 04-08-14 03:51, Masahiro Yamada wrote:
> Hi Jeroen,
>
>
>
> On Fri,  1 Aug 2014 21:28:54 +0200
> Jeroen Hofstee <jeroen at myspectrum.nl> wrote:
>
>> The switch to KConfig break the [board]_config target. This breaks
>> backwards compatibility and hence all documentation about how to
>> build u-boot is no longer valid. It is also annoying for general
>> recipes to build u-boot as contained in buildroot, crochet, oe,
>> poky, eldk etc. Hence restore the *_config target.
>
> OK.
>
>
>> cc: Tom Rini <trini at ti.com>
>> cc: Masahiro Yamada <yamada.m at jp.panasonic.com>
>> cc: Simon Glass <sjg at chromium.org>
>> Signed-off-by: Jeroen Hofstee <jeroen at myspectrum.nl>
>> ---
>>   Makefile | 7 ++++++-
>>   1 file changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/Makefile b/Makefile
>> index 5e49545..2a339aa 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -413,7 +413,7 @@ endif
>>   version_h := include/generated/version_autogenerated.h
>>   timestamp_h := include/generated/timestamp_autogenerated.h
>>   
>> -no-dot-config-targets := clean clobber mrproper distclean \
>> +no-dot-config-targets := clean clobber %_config mrproper distclean \
>>   			 help %docs check% coccicheck \
>>   			 ubootversion backup tools-only
>
> This change is not necessay at all, I think.
>

Depends on the intention, I do _not_ want to invoke the %config
for the %_config target, and this prevents that.

>
>> @@ -436,6 +436,11 @@ ifeq ($(KBUILD_EXTMOD),)
>>           endif
>>   endif
>>   
>> +# Before the switch to KConfig the configure target was %_config instead
>> +# of %_defconfig. Just reinvoke make to be backwards compatible.
>> +%_config: FORCE
>> +	$(Q)$(MAKE) $(@:_config=_defconfig)
>> +
>>   ifeq ($(mixed-targets),1)
>>   # ===========================================================================
>>   # We're called with mixed targets (*config and build targets).
>
> Because <board>_config matches "%config" pattern at line 467,

Well only when ifeq ($(config-targets),1) was true, which above prevents.

> could you modify scripts/multiconfig.py, please?
>

I don't understand what you want to change there... it should only
see %_defconfig.


Regards,
Jeroen