addresses https://github.com/RIOT-OS/RIOT/pull/883#issuecomment-37833467
@ -174,7 +174,6 @@ buildtest:
RIOTBASE=$${RIOTBASE} \
RIOTBOARD=$${RIOTBOARD} \
RIOTCPU=$${RIOTCPU} \
CFLAGS="-w" \
$(MAKE) -B clean all 2>&1 >/dev/null) ; \
if [ "$${?}" = "0" ]; then \
$${ECHO} "$${GREEN}success$${RESET}"; \