XKCP_SRC_DIR := $(call select_from_ports,xkcp) ifeq ($(filter-out $(SPECS),64bit),) INC_DIR += $(XKCP_SRC_DIR)/generic64/libkeccak.a endif ifeq ($(filter-out $(SPECS),32bit),) INC_DIR += $(XKCP_SRC_DIR)/generic32/libkeccak.a endif