1make: "varmod.mk" line 101: To escape a dollar, use \$, not $$, at "$$:L} != """ 2make: "varmod.mk" line 101: Invalid variable name ':', at "$:L} != """ 3make: "varmod.mk" line 107: while evaluating "${:Uword:@word@${word}$@} != "word"": Dollar followed by nothing 4make: "varmod.mk" line 117: while evaluating variable "VAR": Missing delimiter ':' after modifier "P" 5make: "varmod.mk" line 119: Missing argument for ".error" 6make: Fatal errors encountered -- cannot continue 7make: stopped in unit-tests 8exit status 1 9