make: "directive-undef.mk" line 30: The .undef directive requires an argument
make: "directive-undef.mk" line 88: while evaluating variable "VARNAMES": Unknown modifier "Z"
make: "directive-undef.mk" line 105: warning: UT_EXPORTED is still listed in .MAKE.EXPORTED even though spaceit is not exported anymore.
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1