###############################################################################
#                                                                             #
# 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 = .21
VER        = 2.6.27.21

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

ifeq "$(firstword $(MAKEFILES))" "linux-xen"
	XEN=1
endif

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

###############################################################################
# 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				= 2912af7938fae1a3f2a9a6bcf8c0009f
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

	# Linux Intermediate Queueing Device
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27-imq.patch

	# Xen
ifeq "$(XEN)" "1"
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60000_add-console-use-vt.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60001_linux-2.6.19-rc1-kexec-move_segment_code-i386.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60002_linux-2.6.19-rc1-kexec-move_segment_code-x86_64.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60003_ipv6-no-autoconf.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60004_pci-reassign-resources.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60005_sfc-driverlink.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60006_sfc-resource-driver.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60007_sfc-driverlink-conditional.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60008_xen3-auto-xen-arch.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60009_xen3-auto-xen-drivers.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60010_xen3-auto-include-xen-interface.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60011_xen3-auto-xen-kconfig.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/xen_aio.diff
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/skbuff-xen-imq.diff
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60012_xen3-auto-common.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60013_xen3-auto-arch-x86.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60014_xen3-auto-arch-i386.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60015_xen3-auto-arch-x86_64.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60016_xen3-fixup-xen.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60017_735-balloon-exit.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60018_737-kexec-free.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60019_740-blkback-resource-leak.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60020_746-pirq-status-page.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60021_747-x86-undo-mfn-limit.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60022_748-x86-ioapic-cleanup.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60023_xen3-fixup-kconfig.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60024_xen3-fixup-common.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60025_xen3-fixup-arch-x86.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60026_xen3-fixup-sfc.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60027_xen3-patch-2.6.18.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60028_xen3-patch-2.6.19.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60029_xen3-patch-2.6.20.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60030_xen3-patch-2.6.21.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60031_xen3-patch-2.6.22.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60032_xen3-patch-2.6.23.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60033_xen3-patch-2.6.24.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60034_xen3-patch-2.6.25.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60035_xen3-patch-2.6.26.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60036_xen3-patch-2.6.27.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60037_xen3-patch-2.6.27.1-2.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60038_xen3-patch-2.6.27.3-4.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60039_xen3-patch-2.6.27.4-5.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60040_xen3-patch-2.6.27.5-6.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60041_xen3-panic-on-io-nmi.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60042_xen-balloon-max-target.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60043_xen-blkback-cdrom.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60044_xen-blktap-write-barriers.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60045_xen-scsifront-block-timeout-update.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60046_xen-op-packet.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60047_xen-blkfront-cdrom.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60048_xen-sections.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60049_xen-kconfig-compat-3.2.0.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60050_xen-cpufreq-report.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60051_xen-rt2860-build.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60052_xen-sysdev-suspend.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60053_xen-ipi-per-cpu-irq.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60054_xen-virq-per-cpu-irq.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60055_xen-configurable-guest-devices.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60056_xen-netback-nr-irqs.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60057_xen-netback-notify-multi.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60058_xen-x86-panic-no-reboot.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60059_xen-x86-dcr-fallback.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60060_xen-x86-consistent-nmi.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60061_xen-x86-no-lapic.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60062_xen-x86-pmd-handling.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60063_xen-x86-bigmem.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60064_xen-x86-machphys-prediction.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60065_xen-x86-no-lazy-tlb.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60066_xen-x86-exit-mmap.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60067_xen-i386-panic-on-oops.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60068_xen-x86_64-pgd-pin.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60069_xen-x86_64-pgd-alloc-order.patch1
	cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/60070_xen-x86_64-dump-user-pgt.patch1
endif

	# 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
    
	# Openswan
	#cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/openswan-2.4.x.kernel-2.6.23-natt.patch

	# Reiser4
	cd $(DIR_APP) && bzip2 -d -c $(DIR_DL)/reiser4-for-2.6.27.19.patch.bz2 | patch -Np1
	
	# SquashFS
	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

	# ip_conntrack permissions from 440 to 444
#	cd $(DIR_APP) && patch -Np0 < $(DIR_SRC)/src/patches/ip_conntrack_standalone-patch-for-ipfire.patch

	# 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

ifeq "$(XEN)" "1"
	cp $(DIR_SRC)/config/kernel/kernel.config.$(MACHINE)-xen $(DIR_APP)/.config
else
	cp $(DIR_SRC)/config/kernel/kernel.config.$(MACHINE) $(DIR_APP)/.config
	cd $(DIR_APP) && make CC="$(KGCC)" oldconfig
endif

	cd $(DIR_APP) && make CC="$(KGCC)" clean

ifeq "$(XEN)" "1"
	cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ $(PATCHLEVEL)-ipfire-xen/' Makefile
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)"
	cd $(DIR_APP) && cp -v vmlinux /boot/vmlinuz-$(VER)-ipfire-xen
	cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-ipfire-xen
	ln -sf vmlinuz-$(VER)-ipfire-xen /boot/vmlinuz-ipfire-xen
	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
else
	cd $(DIR_APP) && sed -i -e 's/EXTRAVERSION\ =.*/EXTRAVERSION\ =\ $(PATCHLEVEL)-ipfire/' Makefile
	cd $(DIR_APP) && make $(MAKETUNING) CC="$(KGCC)" bzImage
	cd $(DIR_APP) && cp -v arch/i386/boot/bzImage /boot/vmlinuz-$(VER)-ipfire
	cd $(DIR_APP) && cp -v System.map /boot/System.map-$(VER)-ipfire
	cd $(DIR_APP) && cp -v .config /boot/config-$(VER)-ipfire
	ln -sf vmlinuz-$(VER)-ipfire /boot/vmlinuz-ipfire
	ln -sf System.map-$(VER)-ipfire /boot/System.map-ipfire
	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
endif

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

ifeq "$(XEN)" "1"
	# Rename ide-cd module to match with old kernel
	mv /lib/modules/$(VER)-ipfire-xen/kernel/drivers/ide/ide-cd_mod.ko \
	    /lib/modules/$(VER)-ipfire-xen/kernel/drivers/ide/ide-cd.ko

	# Remove mISDN modules
	rm -rvf /lib/modules/$(VER)-ipfire-xen/kernel/drivers/isdn/mISDN
	rm -rvf /lib/modules/$(VER)-ipfire-xen/kernel/drivers/isdn/hardware/mISDN
else
	# Rename ide-cd module to match with old kernel
	mv /lib/modules/$(VER)-ipfire/kernel/drivers/ide/ide-cd_mod.ko \
	    /lib/modules/$(VER)-ipfire/kernel/drivers/ide/ide-cd.ko

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

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