一个能够自动匹配文件并编译的makefile

AllDirs := $(shell ls -R | grep '^\./.*:$$' | awk '{gsub(":","");print}') .
Sources := $(foreach n,$(AllDirs) , $(wildcard $(n)/*.cpp))
Objs := $(patsubst %.cpp,%.o, $(Sources))
Deps := $(patsubst %.cpp,%.d, $(Sources))
 
CC = gcc
CXX = g++
RM = rm -f
CXXFLAGS = -g -O2  -Wall
#CPPFLAGS = $(foreach n,$(AllDirs), -I$(n))
CPPFLAGS = -Iinclude
LDFLAGS = 
 
TARGET = test
 
all: $(TARGET)
 
$(TARGET): $(Objs)
	$(CXX) -g -o $@ $^ $(LDFLAGS)
 
%.d : %.c
	$(CC) -MT"$(<:.cpp=.o) $@" -MM $(CXXFLAGS) $(CPPFLAGS) $< > $@
 
%.d : %.cpp
	$(CXX) -MT"$(<:.cpp=.o) $@" -MM $(CXXFLAGS) $(CPPFLAGS) $< > $@

sinclude $(Deps)
 
.PHONY : clean
 
clean: 
	$(RM) $(Objs) $(Deps) $(TARGET)