[Buildroot] [PATCH v2] toolchain: Bump ARC tools to arc-2016.09-eng007 and PIE fix

[Alexey Brodkin]

Hi Thomas,

On Mon, 2016-08-01 at 23:00 +0200, Thomas Petazzoni wrote:
> Hello,
> 
> On Mon,  1 Aug 2016 15:30:35 +0300, Vlad Zakharov wrote:
> > 
> > As described at:
> > 4520524ba055706236db9f00dd79f1b2e2e87fde
> > this commit continues a series of updates of ARC tools.
> > This time we're updating tools to arc-2016.09-eng007 tag plus a
> > couple of fixes on top of it that will all make its way in the
> > next engineering build.
> > 
> > We hope this patch will cure most buildroot ARC failures as it
> > contains important fixes:
> > 
> > 1) PIE fix. We have added PIE support to ARC toolchain at last.
> > So that should prevent breakage of many packages. As ARC now
> > supports PIE we remove ARC from BR2_TOOLCHAIN_SUPPORTS_PIE
> > exclusion in toolchain/Config.in file.
> > 
> > 2) Assembler fix. This patch also have changes that fixes frequent
> > assembler failures, e.g.:
> > http://autobuild.buildroot.net/results/543/5430b902d900943a34c1888e7e410bd5df367bc2//
> > 
> > Note that we added patch for uClibc-ng that also affects PIE feature.
> > We had to do that because in Buildroot for ARC uclibc comes right from
> > uClibc-ng release tarballs and the change hasn't been in any release of
> > uClibc-ng. If we don't add this patch we see a lot of link-time issues.
> > This patch is stopgap measure. We are going to upstream this change
> > to uClibc-ng and remove from buildroot as soon as it would be included
> > in some uClibc-ng release.
> 
> In fact, a new release of uClibc-ng has been made, and Buildroot was
> updated accordingly. This new uClibc-ng release contains the ARC PIE
> fix, so I've dropped this part from your patch, and adjusted the commit
> log.
> 
> Other than that, I've applied the rest of your patch. Thanks a lot!

Thanks for doing that.
Care to rebuild pre-built BR tools for ARC?

-Alexey