On Sat, Jul 15, 2017 at 02:39:45AM +0900, YAMAMOTO Takashi wrote: > == is a GNU extension. > > Signed-off-by: YAMAMOTO Takashi <yamamoto at ovn.org> I wish this didn't exist in the GNU version. It's a useless extension. Acked-by: Ben Pfaff <blp at ovn.org>