makefile

Linux 虚拟网络接口 实例 In the Linux (or Unix) world, most network interfaces, such as eth0 and ppp0, are a

#
# Makefile
#
##########

# Comment/uncomment the following line to enable/disable debugging
DEBUG = y

# Change it here or specify it on the "make" commandline
INCLUDEDIR = /usr/src/linux/include

INSTALL = install -c
INSTALLBIN = $(INSTALL) -m 755
INSTALLLIB = $(INSTALL) -m 644

ifndef PREFIX
  PREFIX = /usr/local
endif

# Extract version number from headers.
VER = $(shell awk -F\" '/REL/ {print $$2}' $(INCLUDEDIR)/linux/version.h)
MODDIR = /lib/modules/$(VER)/misc
SBINDIR = $(PREFIX)/sbin

############## no more editing...

INSTALLDIRS =  $(MODDIR) $(SBINDIR)

CLIENTOBJS = insanely.o
CLIENTS =  $(CLIENTOBJS:.o=)  

ifneq ($(DEBUG),)
  DEBFLAGS = -O -g -DINSANE_DEBUG # "-O" is needed to expand inlines
  LDFLAGS =
else
  DEBFLAGS =  -O3 -fomit-frame-pointer
  LDFLAGS = -s
endif

CFLAGS = -Wall $(DEBFLAGS)
CFLAGS += -I$(INCLUDEDIR)

%.i: %.c
	$(CC) $(CFLAGS) -E $^ -o $@

%.S: %.c
	$(CC) $(CFLAGS) -S $^ -o $@



TARGET = insane
SRC = insane.c

# force make depend
ifneq (.depend,$(wildcard .depend))
all: depend
endif

all: $(TARGET).o $(CLIENTOBJS) $(CLIENTS) TAGS

$(TARGET).o:
	$(CC) $(CFLAGS) -DMODULE $< -c -o $@

install: all
	install -d $(MODDIR) $(SBINDIR)
	install -c $(TARGET).o $(MODDIR)
	install -c $(TARGET).o /lib/modules/misc
	@-depmod -a 2> /dev/null
	install -c $(CLIENTS) $(SBINDIR)

uninstall:
	cd $(MODDIR) && rm $(TARGET).o
	cd /lib/modules/misc && rm $(TARGET).o
	cd $(SBINDIR) && rm $(CLIENTS)

clean:
	rm -f *.o *.i *.S *~ */*~ */*/*~ core $(CLIENTS)

tar:
	n=`basename \`pwd\``; cd ..; tar cvf - $$n | gzip > $$n.tar.gz

distrib: clean tar

depend dep:
	$(CC) -MM *.c > .depend

TAGS:
	etags *.[ch]

ifeq (.depend,$(wildcard .depend))
include .depend
endif