1 make: Unknown modifier 'Z'
2 make: "cond-token-string.mk" line 9: Malformed conditional ("" != "${:Uvalue:Z}")
3 make: "cond-token-string.mk" line 18: xvalue is not defined.
4 make: "cond-token-string.mk" line 24: Malformed conditional (x${:Uvalue} == "")
5 make: "cond-token-string.mk" line 33: Expected.
6 make: Fatal errors encountered -- cannot continue
7 make: stopped in unit-tests