[avr-gcc-list] Re: Some gcc avr questions?

Jason Kyle avr@jpk.co.nz
Thu Dec 27 19:59:00 GMT 2001


At 09:09 20/12/2001 +0100, Reinhard JESSICH wrote:
>If you receive this message from the avr-gcc list, please reply also to 
>this address,
>because it is not on the avr-gcc mailing list.
>
> >>> Grant Edwards <grante@visi.com> 12/19/01 10:54pm >>>
> > I've found that writing an RPM spec file and creating a source
> > RPM is a very handy way to capture the recipe for building
> > cross development tools on Unix systems.
>Yes that's true, I will think about it.
>But before I can make RPMs I need to write the needed patches and for this
>I need the answers to my original questions.
>
>In the meantime I have a c++ compiler, but I haven't tested it (libc and 
>startup file still missing).
>There was a small patch necessary to tell configure not to build 
>libiberty, but this was simple.
>
>Tomorrow I will not try to build the avr libc. I have seen that this is 
>not build with the auto tools.
>So I think I will write the autoconf/automake scripts, if nobody else has 
>done this until now.

Contact Marek Michalkiewicz marekm@amelek.gda.pl regarding avr-libc as he 
is the maintainer.  The site below is the official source for avr-libc and 
uisp, note there is also an avr patch for gdb5.0

http://www.amelek.gda.pl/avr/


>Here are some parts of the original message again:
>
>I used the official versions of binutils (2.11.2) and gcc (3.0.2).
>I have started with the binutils followed by gcc (C and C++).
>There were no problems until now except for some warnings in binutils and gcc.
>
>First question:
>Shall I fix this warnings or are they already fixed in CVS (havent' looked
>there) or is someone else working on this subject?
>
>Next questions:
>How far is the C++ part for avr?
>I am not so familar with the compiler internals, but I think if the backend
>for C is ready it is possible to use also C++. Maybe the startup code must be
>changed to call all con/destructors of global objects. But I don't know it in
>detail. Maybe it is already done in libgcc. Any hints?
>
>Is there a gnu simulator available for the avr or is someone working on it?

See Ted Roth's troth@verinet.com simulavr 
http://res099095.halls.colostate.edu/programs/simulavr , note he is also 
looking for some help with fixing up some problems with the current gdb5.0 
patch.

Cheers,

Jason Kyle


>I know about avr-gdb-4.18. Shall I try to port gdb-5.0 for avr or is someone
>else working on it?

See above, Marek's site.

>Regards,
>    Reinhard


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