1make: "cond-func.mk" line 36: Missing closing parenthesis for defined() 2make: "cond-func.mk" line 51: Missing closing parenthesis for defined() 3make: "cond-func.mk" line 54: Missing closing parenthesis for defined() 4make: "cond-func.mk" line 94: The empty variable is never defined. 5make: "cond-func.mk" line 102: A plain function name is parsed as !empty(...). 6make: "cond-func.mk" line 109: A plain function name is parsed as !empty(...). 7make: "cond-func.mk" line 119: Symbols may start with a function name. 8make: "cond-func.mk" line 124: Symbols may start with a function name. 9make: "cond-func.mk" line 130: Missing closing parenthesis for defined() 10make: Fatal errors encountered -- cannot continue 11make: stopped in unit-tests 12exit status 1 13