make: "cond-op-or.mk" line 36: Malformed conditional '1 && (!${DEF} || ${UNDEF})'
make: "cond-op-or.mk" line 41: Malformed conditional '1 && (!${UNDEF} || ${UNDEF})'
make: "cond-op-or.mk" line 44: Malformed conditional '1 && (${UNDEF} || ${UNDEF})'
make: "cond-op-or.mk" line 60: Unknown operator '|'
make: "cond-op-or.mk" line 66: Unknown operator '|'
make: "cond-op-or.mk" line 72: Unknown operator '|'
make: "cond-op-or.mk" line 78: Unknown operator '|'
make: "cond-op-or.mk" line 87: Unknown operator '|'
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1