make: "varmod-indirect.mk" line 13: Unknown modifier '$'
make: "varmod-indirect.mk" line 108: before
make: "varmod-indirect.mk" line 108: after
make: "varmod-indirect.mk" line 114: before
make: "varmod-indirect.mk" line 114: after
make: "varmod-indirect.mk" line 120: before
make: "varmod-indirect.mk" line 120: after
make: "varmod-indirect.mk" line 124: Unknown modifier 'Z'
make: "varmod-indirect.mk" line 125: before
make: "varmod-indirect.mk" line 125: after
ParseReadLine (134): '_:=	before ${UNDEF} after'
Global:_ = 
Var_Parse: ${UNDEF} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Global:_ = before ${UNDEF} after
ParseReadLine (137): '_:=	before ${UNDEF:${:US,a,a,}} after'
Var_Parse: ${UNDEF:${:US,a,a,}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Var_Parse: ${:US,a,a,}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:US,a,a,} is "S,a,a," (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Indirect modifier "S,a,a," from "${:US,a,a,}"
Applying ${UNDEF:S...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Modifier part: "a"
Modifier part: "a"
ModifyWords: split "" into 1 words
Result of ${UNDEF:S,a,a,} is "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Var_Parse: ${:US,a,a,}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:US,a,a,} is "S,a,a," (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Global:_ = before ${UNDEF:S,a,a,} after
ParseReadLine (147): '_:=	before ${UNDEF:${:U}} after'
Var_Parse: ${UNDEF:${:U}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Var_Parse: ${:U}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:U} is "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Indirect modifier "" from "${:U}"
Var_Parse: ${:U}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:U} is "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Global:_ = before ${UNDEF:} after
ParseReadLine (152): '_:=	before ${UNDEF:${:UZ}} after'
Var_Parse: ${UNDEF:${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Var_Parse: ${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:UZ} is "Z" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Indirect modifier "Z" from "${:UZ}"
Applying ${UNDEF:Z} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
make: "varmod-indirect.mk" line 152: Unknown modifier 'Z'
Result of ${UNDEF:Z} is error (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Var_Parse: ${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF
Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_UNDEF)
Result of ${:UZ} is "Z" (VARE_WANTRES|VARE_KEEP_DOLLAR|VARE_KEEP_UNDEF, none, VES_DEF)
Global:_ = before ${UNDEF:Z} after
ParseReadLine (154): '.MAKEFLAGS: -d0'
ParseDoDependency(.MAKEFLAGS: -d0)
Global:.MAKEFLAGS =  -r -k -d 0 -d pv -d
Global:.MAKEFLAGS =  -r -k -d 0 -d pv -d 0
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1