1make: Bad modifier `:tx' for WORDS 2make: "varmod-to-separator.mk" line 104: Malformed conditional (${WORDS:tx} != "anything") 3make: "varmod-to-separator.mk" line 108: Parsing continues here. 4make: Bad modifier `:t\X' for WORDS 5make: "varmod-to-separator.mk" line 112: Malformed conditional (${WORDS:t\X} != "anything") 6make: "varmod-to-separator.mk" line 115: Parsing continues here. 7make: Fatal errors encountered -- cannot continue 8make: stopped in unit-tests 9exit status 1 10