$(FLASH_TOOL) bootrom,os,fpga $(subst /,$(PATHSEP),$(filter-out $(FLASH_TOOL),$^))
# Dummy target to test for GNU make availability
$(FLASH_TOOL) bootrom,os,fpga $(subst /,$(PATHSEP),$(filter-out $(FLASH_TOOL),$^))
# Dummy target to test for GNU make availability