###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2012  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# 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 3 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.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER        = 4.2.2

THISAPP    = dhcp-$(VER)
DL_FILE    = $(THISAPP).tar.gz
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)
TARGET     = $(DIR_INFO)/$(THISAPP)

###############################################################################
# Top-level Rules
###############################################################################

objects = $(DL_FILE)

$(DL_FILE) = $(DL_FROM)/$(DL_FILE)

$(DL_FILE)_MD5 = bb0f0434cd796f76aa7cead391d71f31

install : $(TARGET)

check : $(patsubst %,$(DIR_CHK)/%,$(objects))

download :$(patsubst %,$(DIR_DL)/%,$(objects))

md5 : $(subst %,%_MD5,$(objects))

###############################################################################
# Downloading, checking, md5sum
###############################################################################

$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	@$(CHECK)

$(patsubst %,$(DIR_DL)/%,$(objects)) :
	@$(LOAD)

$(subst %,%_MD5,$(objects)) :
	@$(MD5)

###############################################################################
# Installation Details
###############################################################################

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	@$(PREBUILD)
	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)

	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-remove-bind.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-errwarn-message.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-options.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-release-by-ifup.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-dhclient-decline-backoff.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-unicast-bootp.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-dhclient-usage.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-default-requested-options.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-xen-checksum.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.1-manpages.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-paths.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-CLOEXEC.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-inherit-leases.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-garbage-chars.patch
	# ???
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-missing-ipv6-not-fatal.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-add_timeout_when_NULL.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.1-64_bit_lease_parse.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-capability.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-logpid.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-UseMulticast.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.1-sendDecline.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.1-retransmission.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-rfc3442-classless-static-routes.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-honor-expired.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-noprefixavail.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-sharedlib.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.0-PPP.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-lpf-ib.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-improved-xid.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.2-gpxe-cid.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/dhcp-4.2.1-invalid-dhclient-conf.patch

	# Remove bundled BIND stuff.
	# (requires newer autoconf)
	#rm -rfv $(DIR_APP)/bind/bind.tar.gz
	#cd $(DIR_APP) && autoreconf --verbose --force --install

	cd $(DIR_APP) && \
		./configure \
			--prefix=/usr \
			--sysconfdir=/etc/dhcp \
			--with-srv-lease-file=/var/state/dhcp/dhcpd.leases \
			--disable-static \
			--enable-paranoia \
			--enable-early-chroot \
			--disable-dhcpv6

	cd $(DIR_APP) && make $(MAKETUNING)
	cd $(DIR_APP) && make install

	mkdir -pv /var/state/dhcp
	touch /var/state/dhcp/dhcpd.leases

	ln -svf $(CONFIG_ROOT)/dhcp/dhcpd.conf /etc/dhcp/dhcpd.conf
	@rm -rf $(DIR_APP)
	@$(POSTBUILD)
