CONFIG_SLAB_CANARY := true ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false)) $(error CONFIG_SLAB_CANARY must be true or false) endif CPPFLAGS += \ -DSLAB_CANARY=$(CONFIG_SLAB_CANARY) EXECUTABLES := \ offset all: $(EXECUTABLES) clean: rm -f $(EXECUTABLES)