大家帮忙看看这个makefile文件哪错了

zytczdd

sed s/ \ \ .o/ ./d >; $@语句出错,提示未终止的"s"命令

EXECUTABLE=myprogram

CC=gcc
CPPFLAGS=
CFLAGS=-Wall
CXXFLAGS=$(CFLAGS)
COMPILE=$(CC) $(CPPFLAGS) $(CFLAGS) -c

SRCS:=$(wildcard *.c)
OBJS:=$(patsubst %.c,%.o,$(SRCS))
DEPS:=$(patsubst %.c,%.d,$(SRCS))

all: $(EXECUTABLE)

$(EXECUTABLE): $(DEPS) $(OBJS)
        $(CC) -o $(EXECUTABLE) $(OBJS)

%.d: %.c
        $(CC) -M $(CPPFLAGS) $< >; $@
        $(CC) -M $(CPPFLAGS) $< | sed s/ \ \ .o/ ./d >; $@

%.o: %.c
        $(COMPILE) -o $@ $<

clean:
        -rm $(OBJS) $(EXECUTABLE) $(DEPS) * ~

explain:
        @echo"The following information represents your program"
        @echo"Final executable name(EXECUTABLE)"
        @echo"Source Files(SRCS)"
        @echo"Object files(OBJS)"
        @echo"Dependency files(DEPS)"

depend: $(DEPS)
        @echo"Dependencies are now up-to-date"

-include $(DEPS)