This fixes
error: m4_copy: won't overwrite defined macro: glib_DEFUN
with glib-2.0 >= 2.48.
(From OE-Core rev: 84b11bce72296d04a0e6bc9f18669284017c3704)
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>