Makefile（二）

将生产的.o文件放进指定的文件中（先创建该文件夹）

src = $(wildcard ./*.cpp)
obj = $(patsubst %.cpp,./output/%.o,$(src))

target = test

$(target) : $(obj)
        g++ $(obj) -o $(target)
%.o: %.cpp
        g++ -c $< -o output/$@

.PHONY:clean
clean:
        rm -f $(target) $(obj)

 将生产的最终可执行文件放进指定的文件夹中（可以不先创建文件夹）

VERSION = 1.0.0

SOURCE = $(wildcard ./*.cpp)
OBJ = $(patsubst %.cpp,%.o,$(SOURCE))

INCLUDE = -I /usr/include/mysql/

LIBS = -lmysqlclient
LIB_PATH = -L /usr/lib/mysql/

CFALGS = -g

TARGET = test

$(TARGET): $(OBJ)
        @mkdir -p output/
        g++ $(OBJ) $(LIB_PATH) $(LIBS) -o output/$(TARGET).$(VERSION)

%.o : %.cpp
        g++ $(INCLUDE) $(CFALGS) -c $< -o $@

.PHONY: clean
clean:
        rm -rf $(OBJ) output/