매크로 내 용 $@ the filename of a rule's target $< the name of the first dependency in a rule $^ space-delimited list of all the dependencies in a rule $? space-delimited list of all the dependencies in a rule that are newer than the target $(@D) the directory part of a target filename, if the target is in a subdirectory $(@F) the filename part of a target filename, if the target is in a subdirectory