[U-Boot] Please pull u-boot-x86.git

[Tom Rini]

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On 02/28/2013 10:55 PM, Simon Glass wrote:
> Hi Tom,
> 
> On Thu, Feb 28, 2013 at 4:22 PM, Simon Glass <sjg at chromium.org>
> wrote:
>> Hi Tom,
>> 
>> On Thu, Feb 28, 2013 at 3:00 PM, Tom Rini <trini at ti.com> wrote:
>>> On Wed, Feb 27, 2013 at 01:18:23PM -0800, Simon Glass wrote:
>>> 
>>>> Hi Tom,
>>>> 
>>>> I have pulled the latest series into a branch in the x86
>>>> tree. You can also get it from patchwork. If you are happy
>>>> with it, please see below. I haven't seen any comments for a
>>>> few days.
>>> 
>>> OK, building with ELDK4.2 for a number of ARM boards such as
>>> igep0030: cmd_mem.c: In function 'do_mem_mtest': cmd_mem.c:979:
>>> warning: passing argument 1 of 'unmap_sysmem' discards 
>>> qualifiers from pointer target type cmd_mem.c:980: warning:
>>> passing argument 1 of 'unmap_sysmem' discards qualifiers from
>>> pointer target type
>>> 
>> 
>> Strange - there is even an explicit cast,. But mine is gcc 4.4.1
>> so may be a bit later. I could just remove those two lines since
>> they are only there for semantic correctness and compile to
>> nothing anyway. But I will track down that tool chain and see if
>> I can work out a fix.
> 
> OK I have repeated this - it seems that the compiler does not like
> a direct 'cast away' of volatile in a function argument. I have
> added a work-around, and sent out an updated patch 20. You can
> either pull this in from patchwork, or I have updated the pull
> information below.

Thanks, I'll give it a day or two in public before re-pulling.

> Rather ominously this might mean that I need to start building
> with multiple tool chains for each architecture. I was rather
> hoping to avoid that...
> 
> Thanks for spotting it.

Sadly, it's a must.  ELDK4.2 is the oldest toolchain we support, but
we do support it for ARM (except when THUMB is required, those fail
gracefully tho).  My build loops include ELDK4.2/arm, ELDK5.2/arm and
whatever Linaro PPA has up, for ARM (and eldk5.2 for powerpc).

- -- 
Tom
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