build_deb.sh

#!/bin/bash -e

unset KERNEL_REL
unset KERNEL_PATCH
unset RC_KERNEL
unset RC_PATCH
unset BUILD
unset CC
unset GIT_MODE
unset NO_DEVTMPS
unset FTP_KERNEL

ARCH=$(uname -m)
CCACHE=ccache

DIR=$PWD

CORES=1
if test "-$ARCH-" = "-x86_64-" || test "-$ARCH-" = "-i686-"
then
 CORES=$(cat /proc/cpuinfo | grep processor | wc -l)
 let CORES=$CORES+1
fi

mkdir -p ${DIR}/deploy/

DL_DIR=${DIR}/dl

mkdir -p ${DL_DIR}

function rcn-ee_rel_mirror {
 wget -c --directory-prefix=${DL_DIR} http://www.rcn-ee.net/mirror/linux/kernel/v${FTP_KERNEL}/linux-${KERNEL_REL}.tar.bz2
}

function rcn-ee_patch_mirror {
 wget -c --directory-prefix=${DL_DIR} http://www.rcn-ee.net/mirror/linux/kernel/v${FTP_KERNEL}/${DL_PATCH}.bz2
}

function dl_kernel {
	wget -c --directory-prefix=${DL_DIR} http://www.kernel.org/pub/linux/kernel/v${FTP_KERNEL}/linux-${KERNEL_REL}.tar.bz2 || rcn-ee_rel_mirror

if [ "${KERNEL_PATCH}" ] ; then
    if [ "${RC_PATCH}" ] ; then
		wget -c --directory-prefix=${DL_DIR} http://www.kernel.org/pub/linux/kernel/v${FTP_KERNEL}/testing/${DL_PATCH}.bz2
	else
		wget -c --directory-prefix=${DL_DIR} http://www.kernel.org/pub/linux/kernel/v${FTP_KERNEL}/${DL_PATCH}.bz2 || rcn-ee_patch_mirror
    fi
fi
}

function extract_kernel {
	echo "Cleaning Up"
	rm -rf ${DIR}/KERNEL || true
	echo "Extracting: ${KERNEL_REL} Kernel"
	tar xjf ${DL_DIR}/linux-${KERNEL_REL}.tar.bz2
	mv linux-${KERNEL_REL} KERNEL
	cd ${DIR}/KERNEL
if [ "${KERNEL_PATCH}" ] ; then
	echo "Applying: ${KERNEL_PATCH} Patch"
	bzcat ${DL_DIR}/patch-${KERNEL_PATCH}.bz2 | patch -s -p1
fi
	cd ${DIR}/
}

function patch_kernel {
	cd ${DIR}/KERNEL
	export DIR GIT_MODE
	/bin/bash -e ${DIR}/patch.sh

	cd ${DIR}/
}

function copy_defconfig {
	cd ${DIR}/KERNEL/
	make ARCH=arm CROSS_COMPILE=${CC} distclean
if [ "${NO_DEVTMPS}" ] ; then
	cp ${DIR}/patches/no_devtmps-defconfig .config
else
	cp ${DIR}/patches/defconfig .config
fi
	cd ${DIR}/
}

function make_menuconfig {
	cd ${DIR}/KERNEL/
	make ARCH=arm CROSS_COMPILE=${CC} menuconfig
if [ "${NO_DEVTMPS}" ] ; then
	cp .config ${DIR}/patches/no_devtmps-defconfig
else
	cp .config ${DIR}/patches/defconfig
fi
	cd ${DIR}/
}

function make_deb {
	cd ${DIR}/KERNEL/
	echo "make -j${CORES} ARCH=arm KBUILD_DEBARCH=armel LOCALVERSION=-${BUILD} CROSS_COMPILE="${CCACHE} ${CC}" KDEB_PKGVERSION=${BUILDREV}${DISTRO} deb-pkg"
	time fakeroot make -j${CORES} ARCH=arm KBUILD_DEBARCH=armel LOCALVERSION=-${BUILD} CROSS_COMPILE="${CCACHE} ${CC}" KDEB_PKGVERSION=${BUILDREV}${DISTRO} deb-pkg
	mv ${DIR}/*.deb ${DIR}/deploy/
	cd ${DIR}
}

	/bin/bash -e ${DIR}/tools/host_det.sh || { exit 1 ; }

if [ -e ${DIR}/system.sh ]; then
	. system.sh
	. version.sh

if [ "${IS_LUCID}" ] ; then
	echo ""
	echo "IS_LUCID setting in system.sh is Depreciated"
	echo ""
fi

if [ "${NO_DEVTMPS}" ] ; then
	echo ""
	echo "Building for Debian Lenny & Ubuntu 9.04/9.10"
	echo ""
else
	echo ""
	echo "Building for Debian Squeeze/Wheezy/Sid & Ubuntu 10.04/10.10/11.04/11.10"
	echo ""
fi

	dl_kernel
	extract_kernel
	patch_kernel
	copy_defconfig
	#make_menuconfig
	make_deb
else
	echo "Missing system.sh, please copy system.sh.sample to system.sh and edit as needed"
	echo "cp system.sh.sample system.sh"
	echo "gedit system.sh"
fi