[Buildroot] [arc-buildroot] [autobuild.buildroot.net] arc build results for 2016-06-19

[Alexey Brodkin <Alexey.Brodkin@synopsys.com>]

Hi Thomas,

On Fri, 2016-06-24 at 09:14 +0200, Thomas Petazzoni wrote:
> Hello,
> 
> On Fri, 24 Jun 2016 04:34:55 +0000, Alexey Brodkin wrote:
> 
> > 
> > With arc-2016.03 toolchain we're seeing quite a lot of failures here and there.
> > That's sort of expected because we switched to binutils rewritten from scratch.
> > So we're still ramping up with these new binutils. What is also important these
> > new rewritten binutils are in upstream already. I.e. upcoming binutils 2.27 will
> > have everything ARC-specific from arc-2016.03 plus some more fixes and
> > enhancements that we made since March.
> OK, thanks for explaining the situation.
> 
> > 
> > And what we may do in Buildroot we may either wait for 2.27 binutils to be released
> > and then apply [backported from mainline master] patches on top of it to fix still
> > existing issues or alternatively we may start using so-called "engineering builds"
> > of binutils for ARC.
> > 
> > These "engineering builds" are basically snapshots [that pass internal review and
> > testing] made from our dev branch (arc-2016.09) on GitHub like the most recent
> > "arc-2016.09-eng004":?https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb/releases/tag/arc-2016.09-
> > eng0
> > 04
> > 
> > We'd prefer to go with "engineering builds" simply because we foresee still a lot
> > of changes in ARC port of binutils (remember our port is in its childhood currently)
> > while upstream binutils see release about once a year. Which means adding fixes and
> > enhancements on top of 2.27 release at some point will become a support nightmare.
> > 
> > What do you guys think about all that?
> I think at some point we will want to use the upstream version of
> binutils if there is ARC support upstream. However, I definitely
> understand that the upstream support may not be fully ready overnight,
> so I'm fine with using those engineering builds for now, and then move
> to using the upstream binutils version for binutils 2.28 for example
> (or 2.29 if 2.28 is still not good enough).

Ok cool!

Then let's get the party started.

Vlad will send a patch which bump ARC tools to arc-2016.09-eng004 shortly.
Since other components like gcc and gdb are also not fully upstream we'll be
bumping all 3 components at once:
?1. Binutils
?2. Gcc
?3. Gdb

-Alexey