make: cond-eof.mk:17: Malformed conditional "0 ${SIDE_EFFECT} ${SIDE_EFFECT2}"
make: cond-eof.mk:20: Malformed conditional "1 ${SIDE_EFFECT} ${SIDE_EFFECT2}"
make: cond-eof.mk:23: Malformed conditional "(0) ${SIDE_EFFECT} ${SIDE_EFFECT2}"
make: Fatal errors encountered -- cannot continue
make: stopped in unit-tests
exit status 1