[OE-core] flto automake

[Burton, Ross]

On Thu, 20 Dec 2018 at 15:37, Khem Raj <raj.khem at gmail.com> wrote:
> > Well, I built core-image-sato core-image-weston with AR=gcc-ar
> > RANLIB=gcc-ranlib globally and it worked fine.
>
> Please build a lot more. These images cover only handful of recipes
> there are problems like
>
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77576
>
> which we might have to contend.

That bug from two years ago suggests that the gcc-ar wrapper isn't
required if GCC has been configured properly.  I guess we need a test
case.

Ross