不明白你的提问,需要描述更细一点。
cur_dir := $(dir $(lastword $(MAKEFILE_LIST)))
lib_s := $(patsubst $(cur_dir)%,%,$(wildcard $(cur_dir)*.s))
lib_c := $(patsubst $(cur_dir)%,%,$(wildcard $(cur_dir)*.c))
lib_cpp := $(patsubst $(cur_dir)%,%,$(wildcard $(cur_dir)*.cpp))
lib-y := $(lib_c:.c=.o) $(lib_s:.S=.o) $(lib_cpp:.cpp=.o)