-$(ALGO_NAME)_OBJ := keccak.o memxor.o
-$(ALGO_NAME)_TEST_BIN := main-keccak-test.o hfal_keccak.o $(CLI_STD) $(HFAL_STD)
+$(ALGO_NAME)_INCDIR := memxor/ hfal/
+$(ALGO_NAME)_OBJ := keccak.o memxor.o rotate64.o
+$(ALGO_NAME)_TESTBIN := main-keccak-test.o hfal_keccak.o $(CLI_STD) $(HFAL_STD)