Compile Kernel

#!/bin/bash
#
#Copyright 2012 CurlyMo, Erwin Bovendeur <[email protected]>
#
#This file is part of XBian - XBMC on the Raspberry Pi.
#
#XBian 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.
#
#XBian 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 XBian. If not, see <http://www.gnu.org/licenses/>
#

#Download compilation tools from the official raspberry pi github
cd /usr/src
sudo git clone --depth 5 https://github.com/raspberrypi/tools.git
cd tools
sudo ln -s /usr/src/tools/arm-bcm2708/arm-bcm2708-linux-gnueabi/bin/arm-bcm2708-linux-gnueabi-gcc /usr/bin/arm-bcm2708-linux-gnueabi-gcc

#Download the official kernel from the raspberry pi github
sudo mkdir /opt/raspberry
cd /opt/raspberry
sudo git clone --depth 5 git://github.com/raspberrypi/linux.git
cd linux

#Download xbian .config file
sudo wget https://raw.github.com/xbianonpi/xbian/master/Patches/kernel/.config

#Download and apply patches
sudo wget https://raw.github.com/xbianonpi/xbian/master/Patches/kernel/xbian_dvb_usb_it913xv.patch
sudo wget https://raw.github.com/xbianonpi/xbian/master/Patches/kernel/xbian_lirc_kernel.patch
sudo patch -p1 < xbian_dvb_usb_it913xv.patch
sudo patch -p1 < xbian_lirc_kernel.patch

sudo git clone git://aufs.git.sourceforge.net/gitroot/aufs/aufs3-standalone.git
cd aufs3-standalone
sudo git checkout origin/aufs3.6
sudo cp *.patch ../
sudo cp -R fs ../
sudo cp -R Documentation/ ../
sudo cp -R include/ ../
sudo cd ..

sudo patch -p1 < aufs3-kbuild.patch
sudo patch -p1 < aufs3-base.patch
sudo patch -p1 < aufs3-proc_map.patch
sudo patch -p1 < aufs3-standalone.patch

#Stop XBMC to increase compilation speed
sudo kill -9 $(pgrep xbmc)

#Make steps with custom commands not supported by the official config
sudo make ARCH=arm CROSS_COMPILE=/usr/bin/ CONFIG_LIRC_STAGING=y CONFIG_LIRC_RPI=m CONFIG_I2C_DEV=m CONFIG_LIRC_RP1=m CONFIG_LIRC_XBOX=m
sudo make modules ARCH=arm CROSS_COMPILE=/usr/bin/ CONFIG_LIRC_STAGING=y CONFIG_LIRC_RPI=m CONFIG_I2C_DEV=m CONFIG_LIRC_RP1=m CONFIG_LIRC_XBOX=m

sudo sed -i 's/\x8d\x04\x35\x91/\xcd\x0c\x99\x00/g' drivers/media/dvb/dvb-usb/dvb-usb-it913xv2.ko

sudo make modules_install ARCH=arm CROSS_COMPILE=/usr/bin/ CONFIG_LIRC_STAGING=y CONFIG_LIRC_RPI=m CONFIG_I2C_DEV=m CONFIG_LIRC_RP1=m CONFIG_LIRC_XBOX=m INSTALL_MOD_PATH=/

#Implement the new kernel
cp arch/arm/boot/Image /boot/kernel.img

#Reboot
reboot