1make: "cond-token-var.mk" line 20: ok 2make: "cond-token-var.mk" line 27: Malformed conditional (${UNDEF} == ${DEF}) 3make: "cond-token-var.mk" line 33: Malformed conditional (${DEF} == ${UNDEF}) 4make: "cond-token-var.mk" line 42: Malformed conditional (${UNDEF}) 5make: Fatal errors encountered -- cannot continue 6make: stopped in unit-tests 7exit status 1 8