Makefile: Unable to compile for nucleo and safety board

[stevenqha]

• Same error is given when compiling for nucleo board.
• Works when the code below is commented out. ifeq ($(filter $(BOARD),"nucleo arm science safety"),) $(error BOARD is not set or is not supported. Set BOARD=board_name:${\n}${\n}safety${\n}arm${\n}science${\n}nucleo${\n}${\n})) endif