[U-Boot] [PATCH] Default to HOSTARCH if ARCH isn't specified

[Scott Wood]

Wolfgang Denk wrote:
> Dear Kumar Gala,
> 
> In message <1240247017-1069-1-git-send-email-galak at kernel.crashing.org> you wrote:
>> diff --git a/Makefile b/Makefile
>> index e91c051..c56d6db 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -137,6 +137,10 @@ ifeq ($(ARCH),powerpc)
>>  ARCH = ppc
>>  endif
>>  
>> +ifndef ARCH
>> +ARCH = $(HOSTARCH)
>> +endif
>> +
> 
> In current mainline U-Boot, such a patch is not needed (which is just a
> friendly version of saying it does not make sense :-), because ARCH
> gets loaded from include/config.mk after running "make <board>_config".

In which case, we should probably add "override" to the place where it 
is set, so as to avoid interference from any ARCH variable that might be 
set (we could then remove the powerpc->ppc bit).

-Scott