1make: "cond-op-or.mk" line 46: Malformed conditional (1 && (!${DEF} || ${UNDEF})) 2make: "cond-op-or.mk" line 48: Malformed conditional (1 && (${UNDEF} || ${UNDEF})) 3make: "cond-op-or.mk" line 50: Malformed conditional (1 && (!${UNDEF} || ${UNDEF})) 4make: "cond-op-or.mk" line 71: Malformed conditional (0 ||| 0) 5make: Fatal errors encountered -- cannot continue 6make: stopped in unit-tests 7exit status 1 8