1make: "directive-undef.mk" line 30: The .undef directive requires an argument 2make: "directive-undef.mk" line 88: while evaluating variable "VARNAMES" with value "VARNAMES": Unknown modifier "Z" 3make: "directive-undef.mk" line 105: warning: UT_EXPORTED is still listed in .MAKE.EXPORTED even though spaceit is not exported anymore. 4make: Fatal errors encountered -- cannot continue 5make: stopped making "all" in unit-tests 6exit status 1 7