make: "directive-endif.mk" line 18: The .endif directive does not take arguments make: "directive-endif.mk" line 23: The .endif directive does not take arguments make: "directive-endif.mk" line 33: The .endif directive does not take arguments make: "directive-endif.mk" line 39: The .endif directive does not take arguments make: "directive-endif.mk" line 45: Unknown directive "endifx" make: Fatal errors encountered -- cannot continue make: stopped in unit-tests exit status 1