Makefile best practices for embedded development

[Bryce Schober <bryceman at dpzone dot com>]

We're working on an arm7 project with the gcc toolchain here, and 
currently our Makefiles are a mess.  I've yet to get really going 
full-bore on this project, and I'd like to do some cleanup before I dive 
in.  I've done a bit of research around the web including 
http://make.paulandlesley.org/autodep.html, and it looks promising, but 
there's a catch.  What do you do about dependencies for assembly files? 
Doing gcc -M on my toolchain doesn't catch any includes.  Ideally, we 
won't be using them much, but I'm planning on needing to do some 
optimized (assembly) fixed-point routines in assembly for our 
application.  What is a good clean makefile solution that minimizes 
makefile maintenance and is embedded-friendly?

Thanks,
- Bryce Schober

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