[kris@obsecurity.org: [ports-amd64@FreeBSD.org: avr-gcc-3.3.2 failed on amd64 5]]

[Kris Kennaway]

On Mon, Mar 15, 2004 at 04:38:09PM -0600, James R. Van Artsalen wrote:

> >Since this is a stock GCC 3.3.2 where AMD64 is only used as the host
> >system (--target=avr), and I can't imagine AMD64 is not yet supported
> >by GCC, is there already any experience about what would be needed to
> >configure a GCC on this arch?
> >
> >Kris' guess was it might require to be called x86_64, but perhaps some
> >other maintainer already solved that problem, so I'm just trying to
> >not reinvent the wheel.
> > 
> >
> GCC needs to know what the host is in order to know how to calculate 
> constant folding, and how to do other optimizations (think about 
> cross-compiling on a 32-bit platform for a 64-target, doing constant 
> folding etc).
> 
> The bug is in GCC's config.guess: this file doesn't recognize FreeBSD 
> right.  See this message for patch to config.guess:
> http://lists.freebsd.org/mailman/htdig/freebsd-amd64/2004-February/000722.html
> 
> This may not be the only bug but it is a necessary start.

config.{guess,sub} should be patched to recognize amd64 if you define
GNU_CONFIGURE.

Kris

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