Re: [avr-libc-dev] Question on Optimizations with Linking

[Paulo Marques]

Paul Schlie wrote:
> > From: Russell Shaw <address@hidden>
> > I had the idea that instead of having single large libraries such as
> > stdio and libm, they could be made of say a dozen parts (even one per
> > large function) with reduced or enhanced implementations of various
> > functions, so rom spaced isn't filled with unused code. The default
> > linking could use a standard stdio or libm. It might not be worth
> > doing for things that are easily done in C by the user.

I might be missing something here, but isn't this what 
-ffunction-sections and -fdata-sections compiler options combined with 
--gc-sections linker option are supposed to do?

Are there any drawbacks of using this, like worse optimization, etc.? Or 
is this not working at all for avr?

--
Paulo Marques
Software Development Department - Grupo PIE, S.A.
Phone: +351 252 290600, Fax: +351 252 290601
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