lib/crypto/Makefile - third_party/linux - Git at Google

 # SPDX-License-Identifier: GPL-2.0

 obj-y += libblake2s.o
 libblake2s-y += blake2s.o blake2s-generic.o
 ifneq ($(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS),y)
 libblake2s-y += blake2s-selftest.o
 endif
	# SPDX-License-Identifier: GPL-2.0

	obj-y += libblake2s.o
	libblake2s-y += blake2s.o blake2s-generic.o
	ifneq ($(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS),y)
	libblake2s-y += blake2s-selftest.o
	endif