[U-Boot] [PATCH 1/2] SPL: Makefile: Build a separate autoconf.mk for SPL

[Tom Rini]

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On 05/18/2013 02:22 PM, Joel A Fernandes wrote:
> Hi Tom, Sorry for the delay as I've been traveling.
> 
> On Friday, May 17, 2013, Tom Rini wrote:
> 
> On Tue, May 07, 2013 at 10:52:54AM -0500, Joel A Fernandes wrote:
> 
>> SPL defines CONFIG_SPL_BUILD but this does not percolate to the 
>> autoconf.mk <http://autoconf.mk> Makefile.  As a result the 
>> build
> breaks when
>> CONFIG_SPL_BUILD is used in the board-specific include header 
>> file. With this, there is a possibility of having a CONFIG
>> option defined in the header file but not defined in the
>> Makefile causing all kinds of build failure and problems.
>> 
>> It also messes things for up, for example, when one might want to
>> undefine options to keep the SPL small and doesn't want to be 
>> stuck with the CONFIG options used for U-boot.  Lastly, this
>> also avoids defining special CONFIG_SPL_ variables for cases
>> where some options are required in U-boot but not in SPL.
>> 
>> We add a spl-autoconf.mk <http://spl-autoconf.mk> rule that is
> generated for SPL with the
>> CONFIG_SPL_BUILD flag and conditionally include it for SPL 
>> builds.
> 
> This breaks tegra boards such as ventura and a number of others 
> currently, please fix.  Thanks!
> 
> 
> I don't have a tegra. Is this a build or runtime issue? If its 
> build , I'll try building some of those targets and let you know. 
> Might be 1 to 2 more days once I get back today.

It's build time.  Once you've fixed one, please make sure that MAKEALL
- -a arm completes without error.  Thanks!

- -- 
Tom
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