1resolve_btfids-y += main.o 2resolve_btfids-y += rbtree.o 3resolve_btfids-y += zalloc.o 4resolve_btfids-y += string.o 5resolve_btfids-y += ctype.o 6resolve_btfids-y += str_error_r.o 7 8$(OUTPUT)%.o: ../../lib/%.c FORCE 9 $(call rule_mkdir) 10 $(call if_changed_dep,cc_o_c) 11