[PATCH [mtd-utils] 1/3] move _GNU_SOURCE to the main makefile

[Artem Bityutskiy]

On Wed, 2013-05-08 at 12:27 -0400, Mike Frysinger wrote:
> A bunch of utils are relying on _GNU_SOURCE already.  The new prompt code
> uses getline() which is now part of POSIX, but in older versions of glibc,
> it was behind _GNU_SOURCE as it was a GNU extension.
> 
> This change doesn't actually tie us to glibc.  Only code that uses GNU
> extensions does that.  It just kills warning when using older versions of
> glibc.
> 
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>

Pushed all 3 to mtd-utils.

-- 
Best Regards,
Artem Bityutskiy