make: "varmod.mk" line 101: To escape a dollar, use \$, not $$, at "$$:L} != """
make: "varmod.mk" line 101: Invalid variable name ':', at "$:L} != """
make: "varmod.mk" line 107: Dollar followed by nothing
	while evaluating "${:Uword:@word@${word}$@} != "word"" with value "word"
make: "varmod.mk" line 117: Missing delimiter ':' after modifier "P"
	while evaluating variable "VAR" with value "VAR"
make: "varmod.mk" line 119: Missing argument for ".error"
make: "varmod.mk" line 125: Bad modifier ":[99333000222000111000]"
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 128: Bad modifier ":[2147483648]"
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 134: Invalid number "99333000222000111000}" for ':range' modifier
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 141: Invalid time value "\"
	while evaluating "${:${:Ugmtime=\\}}" with value ""
make: "varmod.mk" line 156: Dollar followed by nothing
	while evaluating variable "VAR" with value "value$"
make: "varmod.mk" line 162: Dollar followed by nothing
	while evaluating variable "VAR" with value "value$"
make: "varmod.mk" line 162: Dollar followed by nothing
	while evaluating variable "VAR" with value "value$ appended$"
make: "varmod.mk" line 172: Dollar followed by nothing
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 176: Bad modifier ":[$]"
	while evaluating variable "word" with value ""
make: "varmod.mk" line 193: Dollar followed by nothing
	while evaluating variable "VAR" with value "value$ appended$"
make: "varmod.mk" line 193: Invalid variable name '}', at "$} != "set""
	while evaluating variable "VAR" with value "value<space>appended"
make: "varmod.mk" line 197: Invalid variable name '}', at "$} != "fallback""
	while evaluating "${:Ufallback$} != "fallback"" with value ""
make: "varmod.mk" line 201: Invalid time value "1000$"
	while evaluating variable "%y" with value "%y"
make: "varmod.mk" line 207: Invalid time value "1000$"
	while evaluating variable "%y" with value "%y"
make: "varmod.mk" line 213: Dollar followed by nothing
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 217: Dollar followed by nothing
	while evaluating variable "word" with value "word"
make: "varmod.mk" line 221: Invalid argument 'fallback$' for modifier ':mtime'
	while evaluating variable "." with value "."
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1