Re: [avr-gcc-list] Question about gcc preprocessing and port/pinassignments

[E. Weddington]

Jeff Barlow wrote:

> > Not for portable code.
> >    
>
> Uh, we're talking about very low level code that wiggles I/O pins on an
> AVR. You have to rewrite it anyway if you change chips. That's a red
> herring.
>
>  

There's two meanings of "portable".
1. Portable across devices. Your answer above applies here.
2. Portable across compilers (for the same device). Which I don't know 
if the OP is referring to this, or not....