$(OBJDIR)/fpga_all.o: $(OBJDIR)/fpga_all.bit.z
$(OBJCOPY) -O elf32-littlearm -I binary -B arm --prefix-sections=fpga_all_bit $^ $@
$(OBJDIR)/fpga_all.bit.z: $(FPGA_BITSTREAMS) $(FPGA_COMPRESSOR)
$(OBJDIR)/fpga_all.o: $(OBJDIR)/fpga_all.bit.z
$(OBJCOPY) -O elf32-littlearm -I binary -B arm --prefix-sections=fpga_all_bit $^ $@
$(OBJDIR)/fpga_all.bit.z: $(FPGA_BITSTREAMS) $(FPGA_COMPRESSOR)