1expected and 2expected and exists 3expected and empty 4expected U23 condition 5expected VAR23 6expected M pattern 7expected or 8expected or exists 9expected or empty 10make: "cond-short.mk" line 231: Comparison with '<' requires both operands '' and '42' to be numeric 11make: Fatal errors encountered -- cannot continue 12make: stopped in unit-tests 13exit status 1 14