build.sh

#!/bin/bash

 # Copyright � 2016, axxx007xxxz
 # Copyright � 2016, Sultan Qasim Khan <sultanqasim@gmail.com> 		      
 # Copyright � 2016, Varun Chitre  <varun.chitre15@gmail.com>	
 #
 # Custom build script
 #
 # This software is licensed under the terms of the GNU General Public
 # License version 2, as published by the Free Software Foundation, and
 # may be copied, distributed, and modified under those terms.
 #
 # 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.
 #
 # Please maintain this if you use this script or any part of it

BUILD_START=$(date +"%s")
nocol='\033[0m'
blue='\033[0;34m'
brown='\033[0;33m'
cyan='\033[0;36m'
green='\033[0;32m'
lightblue='\033[1;34m'
red='\033[0;31m'
if [[ "$1" = "--help" || "$1" = "-h" ]]
		then
			echo "Usage: ./build.sh -jx"
			echo "x is number of jobs."
			exit
	elif [[ "$1" == "-j"* ]]
		then
			jobs="${1}"
	elif [ -z "$1" ]
		then
			jobs="-j`cat /proc/cpuinfo |grep -c "processor"`"
	else
			echo "Error!"
			echo "Run with --help or -h for options list."
			exit
fi
echo -e "${blue}Setting up${nocol}"
export ARCH=arm
export SUBARCH=arm
kernelname="UD_kernel"
kernelversion="3"
kernelrevision="0"
echo
echo -e "${blue}Cleaning${nocol}"
make -j16 ARCH=arm mrproper
rm -f arch/arm/boot/dts/*.dtb
rm -f arch/arm/boot/dt.img
rm -fr flashable
rm -f ${kernelname}_v*.zip
echo
echo
echo -e "${lightblue}Compiling ${kernelname} Kernel${nocol}"
echo
echo -e "${blue}Initializing defconfig${nocol}"
make osprey_defconfig
echo
echo -e "${blue}Building kernel${nocol}"
make ${jobs} zImage CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_NO_ERROR_ON_MISMATCH=y
make ${jobs} dtbs CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_NO_ERROR_ON_MISMATCH=y
echo
echo -e "${blue}Generating master DTB${nocol}"
tools/dtbToolCM -o arch/arm/boot/dt.img -s 2048 -p scripts/dtc/ arch/arm/boot/dts/
echo
echo -e "${blue}Building modules${nocol}"
make ${jobs} modules CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_NO_ERROR_ON_MISMATCH=y
echo
echo -e "${blue}Making flashable zip${nocol}"
mkdir -p flashable/tmp
make ${jobs} modules_install INSTALL_MOD_PATH=flashable/tmp INSTALL_MOD_STRIP=1 CONFIG_DEBUG_SECTION_MISMATCH=y
mkdir -p flashable/flash
cp -r tools/flashable/* flashable/flash/
mkdir -p flashable/flash/system/lib/modules
find flashable/tmp/ -name '*.ko' -type f -exec cp '{}' flashable/flash/system/lib/modules/ \;
cp arch/arm/boot/zImage flashable/flash/tools/
cp arch/arm/boot/dt.img flashable/flash/tools/
cd flashable/flash/
N=${kernelname}_v${kernelversion}_r${kernelrevision}
sed -i 's/$N/'${N}'/g' META-INF/com/google/android/updater-script
zip -qr ../../${kernelname}_v${kernelversion}_r${kernelrevision}.zip * -x .gitignore
cd ../
echo
echo
echo
BUILD_END=$(date +"%s")
DIFF=$(($BUILD_END - $BUILD_START))
echo -e "$(tput bold)${cyan}Build completed in $(($DIFF / 60)) minute(s) and $(($DIFF % 60)) seconds!${nocol}$(tput sgr0)"