#生成静态库
CC = g++
CFLAGS = -c -g -fPIC
OBJ_DIR = ./obj
SRC_DIR = ./src
LIB_DIR = ./lib
#设置搜索头文件目录 -L库文件搜索目录 -l库文件
INCPATH = -I./inc
LIBS =
#表示 ./src/目录下所有cpp文件
SRCS = ${wildcard ${SRC_DIR}/*.cpp}
#将SRCS字符中的 ./src/*.cpp 用 ./obj/*.o代替
OBJS = ${SRCS:${SRC_DIR}/%.cpp=${OBJ_DIR}/%.o}
#notdir 去除路径,这里有点疑问?
TARGET = ${notdir ${shell pwd}}.a
#设置搜索路径,只对依赖条件中依赖文件有效，如${TARGET}:${OBJ}是依赖条件，但是对命令却无效，如ar,gcc
vpath %.cpp ${SRC_DIR}
all: ${TARGET}
${TARGET}: ${OBJS}
#ar 生成静态库(*.a)
ar crs ${TARGET} ${OBJS}
true ${TARGET}
${OBJ_DIR}/%.o : ${SRC_DIR}/%.cpp
#$@ 目标文件的完整名称
#$< 第一个依赖文件的名称,不明白它在这里有什么用?
$(CC) $(INCPATH) $(CFLAGS) $< -o $@
clean:
-rm ${OBJ_DIR}/*.o
cleanall:
-rm ${OBJ_DIR}/*.o ${TARGET}
#生成动态库
CC = g++
CFLAGS = -c -g -fPIC
OBJ_DIR = ./obj
SRC_DIR = ./src
LIB_DIR = ../Common
INCPATH = -I./inc -I../Common/inc
LIBS = -lnsl ${LIB_DIR}/cs.a
SRCS = ${wildcard ${SRC_DIR}/*.cpp}
OBJS = ${SRCS:${SRC_DIR}/%.cpp=${OBJ_DIR}/%.o}
TARGET = ${notdir ${shell pwd}}.so
vpath %.cpp ${SRC_DIR}
all: ${TARGET}
${TARGET}: ${OBJS}
$(CC) -fPIC -shared -o ${TARGET} ${OBJS} $(LIBS)
${OBJ_DIR}/%.o : ${SRC_DIR}/%.cpp
$(CC) $(INCPATH) $(CFLAGS) $< -o $@
clean:
-rm ${OBJ_DIR}/*.o
cleanall:
-rm ${OBJ_DIR}/*.o ${TARGET}