For anyone struggles with compiling with the above message, Change: ``` $(CC) $(CCFLAGS) $(SRC) -o $(TRG) ``` to ``` $(CC) $(SRC) $(CCFLAGS) -o $(TRG) ``` in [Makefile](https://github.com/nateober/RaspberryPI/blob/8fba4b2ca3332d60bb010fe7da47a5ab8ffd3698/llctl/Makefile#L7)