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Re: [avr-gcc-list] 20020601 Libc AVR4/ATMega8 support?

From: Tony M
Subject: Re: [avr-gcc-list] 20020601 Libc AVR4/ATMega8 support?
Date: Tue, 11 Jun 2002 09:35:01 -0400

Hey Lee,

I understand your desire to have win32 atmega8 support :)

I used the latest CVS snapshots for {binutils, gcc, avr-libc} and built and
installed them in that order.  The latest versions have the compiling issues
resolved so it wont seg fault cygwin (also latest cygwin version). when

One thing I did do, and I will go back and double check, is I built the
latest STABLE releases of binutils and gcc for cygwin to compile the avr
binutils/gcc/avr-libc.   Cygwin is still using old gcc by default, but
apparently it should still work.

Right now it seems compiling and linking using this current setup works, but
I am getting an "invalid target" error when using objcopy.  That is one of
the last steps... if i can get this working, and revert back to the old gcc
that cygwin uses by default, i seriously dont mind putting together a binary
package for you.


----- Original Message -----
From: "Lee Davies" <address@hidden>
To: "Tony Mahar" <address@hidden>; "Marek Michalkiewicz"
Cc: <address@hidden>
Sent: Tuesday, June 11, 2002 3:45 AM
Subject: Re: [avr-gcc-list] 20020601 Libc AVR4/ATMega8 support?

> What version of GCC tools do you have ???
> I've tried everywhere to find a Win32 GCC build with MEGA8 support with no
> joy. Do I just need a few files (crtm8.o, io8m.h, etc,...) ??
> > > i checked the AVR-LIBC directory and there indeed is no crtm8.o, but
> plenty of others like
> >
> > Check the avr4 subdirectory, you should see crtm8.o there (as well as
> > libc.a and libm.a).  You should also see the avr3 and avr5 subdirs.
> > Compiling a simple program with -mmcu=atmega8 works for me.  Perhaps
> > there is some problem with multilib support when building on win32?
> >
> > Marek
> avr-gcc-list at http://avr1.org

avr-gcc-list at http://avr1.org

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