# ################################################################
-# Copyright (c) 2015-present, Facebook, Inc.
+# Copyright (c) 2015-2020, Facebook, Inc.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
# ################################################################
CFLAGS ?= -O3