BFD does not support target avr32-unknown-none.

[Yann E. MORIN]

Peter, All,

On Monday 14 February 2011 23:39:19 ng@piments.com wrote:
> I am attempting to use ct-ng to build a toolchain for avr32.
> 
> I used the 'sample' included in 1.9.2 and it built OK. But when I try to 
> add gdb it fails with an obscure error I have not been able to find any 
> info on.
> 
> nano /back/ts/ct-ng/x-tools/avr32-unknown-none/build.log
> [ALL  ]    checking linker --as-needed support... yes
> [ALL  ]    checking for cos in -lm... yes
> [ALL  ]    *** BFD does not support target avr32-unknown-none.
> [ALL  ]    *** Look in bfd/config.bfd for supported targets.

It seems to me that avr32 is not supported in upstream gdb.
It requires a patch, which you may get from Atmel (registration required):
  http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4118

Look for:

  AVR32 GNU Toolchain 2.4.2 - Linux Source Code (102 MB, revision
  2.4.2, updated 01/10) AVR32 GNU Toolchain Linux Source code

I don't know what version of gdb is available in there, though. I am
not registered.

Going the hacker's way, would it be possible to replace the gdb BFD with
the one from binutils? Hehe... Open-heart surgery. :-]

> I know this build is marked experimental but I see a lot of stuff out 
> there that seems to suggest avr-gdb is working on linux

Warning: avr != avr32. avr is 8-bit, avr32 is 32-bit. What you want is
avr32-gdb.

Regards,
Yann E. MORIN.

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