build_release() {
	local RELEASE_DIR="$1"

	local ROOTFS_SQFS=$(find $PKGDEPLOYDIR/rootfs-${CFG}/ -name '*.img')

	local fname=$(find $PKGDEPLOYDIR/linux/ -name 'vmlinuz*')
	local linux_image=$(basename $fname)
	local rootfs_image=$(basename $ROOTFS_SQFS)

	cp -r "$fname" "$RELEASE_DIR"
	cp "$ROOTFS_SQFS" "$RELEASE_DIR"
	cp "$SCRIPTDIR/cfg/$CFG/install.sh" "$RELEASE_DIR"
	cp "$SCRIPTDIR/cfg/$CFG/genimage.sh" "$RELEASE_DIR"
	cp "/usr/share/syslinux/mbr.bin" "$RELEASE_DIR"

	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$RELEASE_DIR/install.sh"
	sed -i 's/KERNELFILE/'$linux_image'/g' "$RELEASE_DIR/install.sh"

	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$RELEASE_DIR/genimage.sh"
	sed -i 's/KERNELFILE/'$linux_image'/g' "$RELEASE_DIR/genimage.sh"

cat > "$RELEASE_DIR/syslinux.cfg" << _EOF
timeout 0
totaltimeout 50
default linux
label linux
 kernel /$linux_image
 append root=/dev/sda1 root_sfs=/$rootfs_image
_EOF
}