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