[U-Boot] [RFC PATCH 1/4] Adapt config.mk for usage in spl/Makefile

[Daniel Schwierzeck]

Dear Wolfgang,

On Fri, Jul 8, 2011 at 11:08 AM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Daniel Schwierzeck,
>
> In message <1309883182-12854-2-git-send-email-daniel.schwierzeck at googlemail.com> you wrote:
>> [aneesh at ti.com:
>> 1. Changed the definition of OBJTREE and the way 'obj' is defined.
>> 2. Defined a flag to identify regular U-Boot build
>> 3. Taking care of autoconf.mk etc for SPL due to changed OBJTREE
>> ]
>>
>> [daniel.schwierzeck at googlemail.com:
>> 1. reverted changes on implicite make rules
>> 2. readded definition of -DCONFIG_UBOOT_SPL_BUILD in CPPFLAGS
>> ]
> ...
>> +# Allow compiling of C and ASM code parts in different way.
>> +# Serves also as a replacement for CONFIG_PRELOADER.
>> +ifneq ($(CONFIG_UBOOT_SPL_BUILD),)
>> +CPPFLAGS += -DCONFIG_UBOOT_SPL_BUILD
>> +endif
>
> I don't understand this comment.

Currently we have CONFIG_PRELOADER (and maybe others?) to conditionally
compile start.S and other code. The idea here is to consolidate those defines
and to use a common name convention for SPL. My suggestion is something
like CONFIG_UBOOT_SPL_BUILD. Are there better ideas?

Best regards,
Daniel