build.sh

#!/bin/sh
#
# Kernel build script
#
# By Mark "Hill Beast" Kennard
#

TOOLCHAIN=/usr/linaro/bin/arm-linux-gnueabi-
ARCH=arm

if [ -z $1 ]; then
	if [ -z $KBUILD_BUILD_VERSION ]; then
		export KBUILD_BUILD_VERSION="Test-`date '+%Y%m%d-%H%m'`"
	fi
	echo "Kernel will be labelled ($KBUILD_BUILD_VERSION)"
else
	if [ $1 = "config" ]; then
		echo "Executing menuconfig"
		make menuconfig CROSS_COMPILE=$TOOLCHAIN ARCH=$ARCH
		exit
	fi
	if [ $1 = "saveconfig" ]; then
		if [ -z $2 ]; then
			echo "You must specify the destination configuration (XXX_defconfig)"
		else
			echo "Saving configuration to arch/$ARCH/$2_defconfig"
			cat .config | grep "=" > arch/$ARCH/$2_defconfig
		fi
		exit
	fi
	echo "Setting kernel name to ($1)"
	export KBUILD_BUILD_VERSION=$1
fi

echo "Compiling the kernel"
if test -f arch/$ARCH/boot/zImage; then
	rm arch/$ARCH/boot/zImage
fi

make -j2 CROSS_COMPILE=$TOOLCHAIN ARCH=$ARCH

if test -f arch/$ARCH/boot/zImage; then
	echo "Tarballing the kernel"
	cp arch/$ARCH/boot/zImage ./
	tar cf $KBUILD_BUILD_VERSION-zImage.tar zImage
	rm zImage
else
	echo "Will not tarball as make didn't produce zImage"
fi

echo "Done"