Hi Bin,

On 3 August 2017 at 18:17, Bin Meng <bmeng...@gmail.com> wrote:
> Hi Simon,
>
> On Thu, Aug 3, 2017 at 11:24 PM, Simon Glass <s...@chromium.org> wrote:
>> Hi Bin,
>>
>> On 1 August 2017 at 17:33, Bin Meng <bmeng...@gmail.com> wrote:
>>> Convert SANDBOX_BITS_PER_LONG to Kconfig and assign it a correct
>>> number depending on which host we are going to build and run.
>>>
>>> Signed-off-by: Bin Meng <bmeng...@gmail.com>
>>> ---
>>>
>>>  arch/sandbox/Kconfig         | 5 +++++
>>>  board/sandbox/README.sandbox | 7 +++----
>>>  scripts/config_whitelist.txt | 1 -
>>>  3 files changed, 8 insertions(+), 5 deletions(-)
>>
>> Reviewed-by: Simon Glass <s...@chromium.org>
>>
>> Is it OK to build 64-bit sandbox on a 32-bit machine? Does that actually 
>> work?
>>
>> If then I think we need a 3-way setting like:
>>
>> - 32-bit
>> - 64-bit
>> - native (i.e. whatever the host is)
>
> That means cross-compiling sandbox. So far this is not working. I will
> take a look.

Or perhaps we just require it to use the bit size of the host? Does
compiling 64-bit U-Boot on a 32-bit machine actually work?

Regards,
Simon
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