MAJOR="4"
MINOR="14"
RELEASE="71"

VERSION="$MAJOR.$MINOR.$RELEASE"
SRCDIR="linux-$VERSION"
TARBALL="linux-$VERSION.tar.xz"
URL="https://www.kernel.org/pub/linux/kernel/v$MAJOR.x"
SHA256SUM="76a4473dbcbd922c23a16130414829a36eb7e2f4e5859bd1b742fffdff907489"
DEPENDS="initrd"

prepare() {
	return
}

build() {
	local INITRDLIST="$PKGDEPLOYDIR/initrd/initrd.list"

	export KBUILD_OUTPUT="$PKGBUILDDIR"

	make -C "$1" O="$PKGBUILDDIR" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" mrproper
	cat_file_override "linux.config" > "$PKGBUILDDIR/.config"

	make -C "$1" O="$PKGBUILDDIR" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" oldconfig
	sed -i "$PKGBUILDDIR/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
	sed -i "$PKGBUILDDIR/.config" -e 's,^CONFIG_INITRAMFS_SOURCE=.*,CONFIG_INITRAMFS_SOURCE="'$INITRDLIST'",'
	sed -i "$PKGBUILDDIR/.config" -e 's,^CONFIG_LOCALVERSION=.*,CONFIG_LOCALVERSION="-'${OS_NAME}-${OS_RELEASE}'",'
	make -C "$1" O="$PKGBUILDDIR" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS $LINUX_TGT
	make -C "$1" O="$PKGBUILDDIR" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS modules
}

deploy() {
	local SOURCE="$1"
	local DEPLOY="$2"

	mkdir -p "$DEPLOY/boot" "$DEPLOY/lib/modules"
	cp "arch/$LINUX_CPU/boot/$LINUX_TGT" "$DEPLOY/boot/vmlinuz"

	export KBUILD_OUTPUT="$PKGBUILDDIR"
	make -C "$SOURCE" O="$PKGBUILDDIR" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" INSTALL_MOD_PATH="$DEPLOY" modules_install

	echo "boot/vmlinuz m 555 0 0" > "$DEPLOY/rootfs_files.txt"

	find "$DEPLOY/lib" -exec stat {} --printf="%n m %a 0 0\\n" \; | \
		sed "s#^$DEPLOY/##g" | sed "s/644/444/g" | \
		sed "s/755/555/g" >> "$DEPLOY/rootfs_files.txt"
}

check_update() {
	curl --silent -L https://www.kernel.org/feeds/kdist.xml | \
	     grep -o "[0-9.]*: longterm" | grep -o "[0-9.]*" | \
	     verson_find_greatest "$VERSION"
}