[LEDE-DEV] [PATCH] toolchain/arc: update to the most recent release arc-2017.03

[Hauke Mehrtens]

On 06/27/2017 07:47 AM, Alexey Brodkin wrote:
> Hi Hauke,
> 
> On Mon, 2017-06-26 at 22:45 +0200, Hauke Mehrtens wrote:
>> On 06/26/2017 05:03 PM, Evgeniy Didin wrote:
>>>
>>> arc-2017.03 is the most recent release toolchain for ARC cores
>>> and it is based on upstream Binutils 2.28 and GCC 6.3.0
>>>
>>> Signed-off-by: Evgeniy Didin <didin at synopsys.com>
>>> Cc: Alexey Brodkin <abrodkin at synopsys.com>
>>> Cc: John Crispin <john at phrozen.org>
>>> ---
>>
>> When will the ARC CPU be supported in mainline gcc and binutils so we do
>> not have to use a special arc toolchain any more?
> 
> Well I may say that ARC is supported upstream already.
> In fact our recent releases only differ a little bit from upstream master
> of both Binutils and GCC.
> 
> The problem for us is we still develop both Binutils and GCC pretty actively
> compared to other arches (this is especially true for Binutils) and delta between
> our dev tree and the last upstream release might become quite significant in a few
> months.
> 
> Still the plan for us is to switch to upstream tarballs + a set of patches on top
> of that in coming months.
> 
> Now why we did that particular update with forks from our Github
> is we want to move with smaller steps. See in arc-2017.03 release we
> upgraded GCC from 6.2 to 6.3 and what's much more important Binutils from
> 2.27 (which was way too different from upstream version) to 2.28 which even
> in upstream tarball has most our our stuff integrated already.
> 
> With that we want to make sure packages get built and built system is usable.
> 
> Stay tuned.
> 
> -Alexey

Hi Alexey,

I was just asking because I saw in the GCC 7.X and binutils 2.28
changelog that support for some ARC CPUs was added. I am ok with this
patch, as I see that you war working on getting your changes upstream,
so we can switch to the mainline version of gcc and binutils in the future.

Hauke