Require binutils 2.25 or later to build glibc

[Joseph Myers]

On Wed, 28 Jun 2017, Florian Weimer wrote:

> On 06/26/2017 03:11 PM, H.J. Lu wrote:
> > Most of tests are OK.  But some tests are linked incorrectly by gold.
> 
> Okay, if it's just tests which are wrong, that's probably okay.

Can someone review my actual patch to require binutils 2.25, independent 
of any proposal to allow some set of versions of gold?

-- 
Joseph S. Myers
joseph@codesourcery.com