[PATCH] dtc.bset: update to 1.4.1 to match qemu

[Chris Johns]

On 15/8/19 8:50 am, Joel Sherrill wrote:
> On Wed, Aug 14, 2019 at 5:27 PM Chris Johns <chrisj at rtems.org> wrote:
>>
>> On 15/8/19 8:08 am, Joel Sherrill wrote:
>>> qemu-couverture.bset explicitly has 1.4.1.
>>
>> OK.
>>
>>> qemu.bset doesn't list dtc at all. No idea why not.
>>
>> Because you cannot build dtc on MinGW and I doubt you ever will be able to. Here
>> the MSYS2 package is used. I cannot remember the specifics.
>>
>>> But qemu-git-1.cfg has a dtc submodule of qemu pulled out of git so I
>>> guess qemu.bset is implicitly getting that.
>>
>> Yes, qemu's release cycle did not carry changes we needed.
>>
>>> Clear as mud to me.
>>
>> Be careful here because it a rather deep hole and time consuming to get all this
>> to work on all hosts. The qemu.bset did build on all hosts we support at one
>> point in time.
> 
> Should I punt and use the native provided dtc? Or try to build it by hand as a
> singleton using the RSB?
> 
> I think updating to 1.4.1 vs 1.2 is OK but am happy to drop it from
> the qemu set.

Yeap.

> But we can defer this and I will try dtc 1.2 as an RSB singleton, then host DTC.
> It is needed by spike.

I do not know as I cannot remember the specific now and things may have changed.

Maybe add it and then try and see what breaks?

Chris