+checksum: FORCE
+ $(call sha256sums,$(BIN_DIR),$(CONFIG_BUILDBOT))
+
+diffconfig: FORCE
+ mkdir -p $(BIN_DIR)
+ $(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.seed
+
+prepare: .config $(tools/stamp-compile) $(toolchain/stamp-compile)
+ $(_SINGLE)$(SUBMAKE) -r diffconfig
+