[编程代码]一个linux下的gcc/c语言makefile

#设置编译器 

CC = gcc
     

#设置编译选项 

CFLAGS = -O2
     

#设置连接选项 

LDFLAGS = -lpcap
     

#设置可执行文件名 

EXE = a.out
     

#设置源文件目录 

SRCDIRS = .
     

#设置文件后缀 

SRCEXTS = .c
     

#设置清理命令 

RM = rm -f
     

#设置编译选项 

SHELL = /bin/sh
     

SOURCES = $(foreach d, $(SRCDIRS), $(wildcard $(addprefix $(d)/*, $(SRCEXTS))))
     

OBJS = $(foreach x, $(SRCEXTS), /
     

        $(patsubst %$(x), %.o, $(filter %$(x), $(SOURCES))))
     

DEPS = $(patsubst %.o, %.d, $(OBJS))
     

#设置假想目标 

.PHONY: all objs clean cleanall rebuild
     

all : $(EXE)
     

%.d : %.c
     

        @$(CC) -MM -MD $(CFLAGS) 
     

objs: $(OBJS)
     

%.o:%.c
     

        $(CC) -c  $(CFLAGS) 
     

$(EXE):$(OBJS)
     

        $(CC) -o $(EXE) $(OBJS) $(LDFLAGS)
     

-include $(DEPS)
     

rebuild : clean all
     

clean:
     

        @$(RM) *.o *.d
     

cleanall: clean
     

        @$(RM) $(EXE)