Whether you're copy-pasting or typing out a makefile manually, be very careful to keep a single tab character at the beginning of indented lines. If, for example, you use four spaces instead of a ...

Hardware and software combined, Arduino does many things right. It lowers the entry level into embedded systems development with a nifty hardware abstraction layer. It aims for cross-platform ...

And what if we could embed such information inside the Makefiles themselves, close to the entities that they document? This idea is neither new nor mine, and it has been written about before by ...