make BOARD=stm32f4-discovery DEBUG=y all true false true make APP=test BOARD=stm32f4-discovery DEBUG=y clean true false true make APP=test BOARD=stm32f4-discovery DEBUG=y install true false true make distclean true true true make APP=test BOARD=stm32f4-discovery all true false true make APP=test BOARD=stm32f4-discovery clean true false true make APP=test BOARD=stm32f4-discovery install true false true