###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
#                                                                             #
# 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

PATCHLEVEL = .31
VER        = 2.6.27.31

THISAPP    = linux-$(VER)
DL_FILE    = $(THISAPP).tar.bz2
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)
CFLAGS     =
CXXFLAGS   =

PROG	   = linux-xen
PAK_VER    = 5
DEPS	   = ""

# Normal build or XEN build.
#
ifeq "$(XEN)" "1"
	VERSUFIX=ipfire-xen
else
	VERSUFIX=ipfire
endif
TARGET = $(DIR_INFO)/linux-$(VER)-$(VERSUFIX)

###############################################################################
# Top-level Rules
###############################################################################
objects =$(DL_FILE) \
	squashfs3.4.tar.gz \
	netfilter-layer7-v2.21.tar.gz \
	patch-2.6.16-nath323-1.3.bz2 \
	reiser4-for-2.6.27.19.patch.bz2
	
$(DL_FILE)				= $(URL_IPFIRE)/$(DL_FILE)
netfilter-layer7-v2.21.tar.gz		= $(URL_IPFIRE)/netfilter-layer7-v2.21.tar.gz
patch-2.6.16-nath323-1.3.bz2		= $(URL_IPFIRE)/patch-2.6.16-nath323-1.3.bz2
squashfs3.4.tar.gz			= $(URL_IPFIRE)/squashfs3.4.tar.gz
reiser4-for-2.6.27.19.patch.bz2		= $(URL_IPFIRE)/reiser4-for-2.6.27.19.patch.bz2

$(DL_FILE)_MD5				= b066c348e0fbfa700399d62d2fdfbf11
netfilter-layer7-v2.21.tar.gz_MD5	= 838422e7d9a06b42e682e9064e5210b5
patch-2.6.16-nath323-1.3.bz2_MD5	= f926409ff703a307baf54b57ab75d138
squashfs3.4.tar.gz_MD5			= 2a4d2995ad5aa6840c95a95ffa6b1da6
reiser4-for-2.6.27.19.patch.bz2_MD5	= 22988387f64f299489b90b484b2642cc

install : $(TARGET)

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

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

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

dist:
	@$(PAK)
###############################################################################
# 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) $(DIR_SRC)/linux $(DIR_SRC)/xen-* && cd $(DIR_SRC) && tar jxf $(DIR_DL)/$(DL_FILE)
	ln -s linux-$(VER) /usr/src/linux

ifeq "$(XEN)" "1"
	# Apply Xen patches (provided by SuSE)
	cd $(DIR_SRC)/src/patches/suse-$(VER) && \
		for x in $$( $(DIR_SRC)/src/patches/suse-$(VER)/guards $$( $(DIR_SRC)/src/patches/suse-$(VER)/arch-symbols) < $(DIR_SRC)/src/patches/suse-$(VER)/series.conf); do \
			patch -d $(DIR_APP) -p1 < $$x || break; \
		done

	# Linux Intermediate Queueing Device
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/imq-skbuff.patch
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27.21-imq-test3-xen.patch
else
	# Linux Intermediate Queueing Device
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27.21-imq-test3.patch
endif

	# Add Vodafone K3565-Z USB ID's to option driver
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27.25-option_add_vf-k3565-z_usbids.patch

	# Not report deprecated syscall 1.23 (for kudzu)
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.25.18-not_report_sysctl_1.23.patch
ifeq "$(XEN)" ""
	# Reiser4
	-cd $(DIR_APP) && bzip2 -d -c $(DIR_DL)/reiser4-for-2.6.27.19.patch.bz2 | patch -Np1

	# SquashFS (already in Suse Patchset)
	cd $(DIR_SRC) && rm -rf squashfs*
	cd $(DIR_SRC) && tar xfz $(DIR_DL)/squashfs3.4.tar.gz
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/squashfs3.4/kernel-patches/linux-2.6.27-rc4/squashfs3.4-patch
endif

	# ipp2p 0.8.2-pomng
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27.19-ipp2p-0.8.2-pomng.patch

	# Layer7-patch
	cd $(DIR_SRC) && rm -rf $(DIR_SRC)/netfilter-layer7-v2.21
	cd $(DIR_SRC) && tar xzf $(DIR_DL)/netfilter-layer7-v2.21.tar.gz
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/netfilter-layer7-v2.21/kernel-2.6.25-2.6.28-layer7-2.21.patch

	# Cleanup kernel source
	cd $(DIR_APP) && make mrproper

	cp $(DIR_SRC)/config/kernel/kernel.config.$(MACHINE)-$(VERSUFIX) $(DIR_APP)/.config
	cd $(DIR_APP) && make CC="$(KGCC)" oldconfig
	cd $(DIR_APP) && make CC="$(KGCC)" clean
	cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ $(PATCHLEVEL)-$(VERSUFIX)/' Makefile

ifeq "$(XEN)" "1"
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" vmlinuz
	cd $(DIR_APP) && cp -v arch/i386/boot/vmlinuz /boot/vmlinuz-$(VER)-$(VERSUFIX)
else
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" bzImage
	cd $(DIR_APP) && cp -v arch/i386/boot/bzImage /boot/vmlinuz-$(VER)-$(VERSUFIX)
endif
	cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-$(VERSUFIX)
	cd $(DIR_APP) && cp -v .config /boot/config-$(VER)-$(VERSUFIX)
	ln -sf vmlinuz-$(VER)-$(VERSUFIX) /boot/vmlinuz-$(VERSUFIX)
	ln -sf System.map-$(VER)-$(VERSUFIX) /boot/System.map-$(VERSUFIX)
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) modules
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) modules_install
	cd $(DIR_APP) && make CC="$(KGCC)" $(MAKETUNING) firmware_install

ifeq "$(XEN)" ""
	# Only do this once on the non-XEN pass
	cd $(DIR_APP) && install -m 755 usr/gen_init_cpio /sbin/
endif

	# Rename ide-cd module to match with old kernel
	mv /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/ide/ide-cd_mod.ko \
	   /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/ide/ide-cd.ko

	# Remove mISDN modules
	rm -rvf /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/isdn/mISDN
	rm -rvf /lib/modules/$(VER)-$(VERSUFIX)/kernel/drivers/isdn/hardware/mISDN

	@rm -rf $(DIR_SRC)/patch-o-matic* $(DIR_SRC)/iptables* $(DIR_SRC)/squashfs* $(DIR_SRC)/netfilter-layer7-*
	@$(POSTBUILD)