make_rules

实现vpn网关用来建立 IP虚拟隧道

#
#  Universal TUN/TAP device driver.
#  Copyright (C) 1999-2000 Maxim Krasnyansky <[e-mail]>
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#  GNU General Public License for more details.
#
#  $Id: make_rules,v 1.2 2001/02/02 03:51:35 maxk Exp $
#
all: module

include $(KDIR)/.config
include $(KDIR)/arch/$(ARCH)/Makefile

CFLAGS := $(CFLAGS) $(DEFS) -O2 -DMODULE -D__KERNEL__ -I$(HPATH) -I. \
	 -Wall -Wstrict-prototypes -fomit-frame-pointer -fno-strict-aliasing 

ifdef CONFIG_SMP
CFLAGS += -D__SMP__
endif

ifdef CONFIG_MODVERSIONS
CFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
endif

module: tun.o
tun.o: tun.c if_tun.h

kernel: module
	$(INSTALL) -d -m 755 -o root -g root $(MDIR)
	$(INSTALL) -m 644 -o root -g root tun.o $(MDIR)
	$(DEPMOD) -a