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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Building gnat-gpl-2011-avr-windows from scratch in GPS
Date: Tue, 17 Apr 2012 16:37:23 +0100
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Date: 2012-04-17T16:37:23+01:00
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"Rego, P." <pvrego@gmail.com> writes:

>> AdaCore's AVR compiler comes with a sample application somewhere (I
>> don't remember where).
> I also could not find.
>
>> When using gcc for AVR you have to specify the target MCU at the
>> compile and link steps with the option -mmcu=<name of mcu>. In your
>> example you missed that option in the compile step.
> Ok. I will put this.
>  
>> AVR-Ada /= AdaCore's AVR compiler.
> Yes. The http://student.agh.edu.pl/~mkucia/wiki/doku.php?id=avrada
> tutorial 

In that tutorial, the author says

   The most important line is:
   avr-gnatmake main -o $@ -Os -mmcu=avr4 --RTS=zfp -largs crtm8._o
   -nostdlib -lgcc -mavr4 -Tdata=0x00800200

whch implies that [avr-]gnatmake knows to apply -mmcu= wherever needed;
might simplify things!