INSANE MATH! Disable until I get some sleep.

  total=$$(( $$( echo "$$size" ) )); \

  printname=$$(echo -n "$(1)" | tr " " +); \

  echo "$$printname total size is $$total"; \

  img_blocksize=$(call image-size-from-data-size,$(BOARD_FLASH_BLOCK_SIZE)); \

  if [ "$(3)" == "yaffs" ]; then \

    reservedblocks=8; \

  else \

    reservedblocks=0; \

  fi; \

  twoblocks=$$((img_blocksize * 2)); \

  onepct=$$((((($(2) / 100) - 1) / img_blocksize + 1) * img_blocksize)); \

  reserve=$$(((twoblocks > onepct ? twoblocks : onepct) + \

               reservedblocks * img_blocksize)); \

  maxsize=$$(($(2) - reserve)); \

  maxsize=$$(($(2))); \

  if [ "$$total" -gt "$$maxsize" ]; then \

    echo "error: $$printname too large ($$total > [$(2) - $$reserve])"; \

    false; \