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Vein
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Joined: 03 Jul 2004
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PostPosted: Sat Jul 03, 2004 1:37 pm    Post subject: Amd64 Reply with quote

Hi

I'm trying to install gentoo on Amd64, with the help of your "Linux/Amd64 Handbook" and it was going well until I came to the CFLAGS.

The handbook says that you should not set the march flag to 'athlon-xp', like it is done in the handbook, but I wonder what you should set the march flag to, since all I seem to get is an error message saying:

"The cpu you chose does not support the 64-chipset"

Please help me
// Vein

PS I have looked in the make.conf.example file, but I can't find any amd64 specific settings DS
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nixnut
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Joined: 09 Apr 2004
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PostPosted: Sat Jul 03, 2004 2:02 pm    Post subject: Reply with quote

CHOST="x86_64-pc-linux-gnu"
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Deathwing00
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PostPosted: Sat Jul 03, 2004 2:47 pm    Post subject: Reply with quote

Moved from Installing Gentoo.
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svollmer
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PostPosted: Sat Jul 03, 2004 3:49 pm    Post subject: Re: Amd64 Reply with quote

Hi!
Vein wrote:
The handbook says that you should not set the march flag to 'athlon-xp', like it is done in the handbook, but I wonder what you should set the march flag to

If you use the normal 2004.1 AMD64 Live CD, just don't set the -march flag. The included GCC 3.3.3 does not recognize Athlon64-specific options.

When you upgrade to GCC 3.4 later, you can set "-march=athlon64" if you have an Athlon 64.

HTH

- Stephan

[Edit: I was confused too by that passage in the AMD64 install manual.]
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celloandy
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Joined: 29 Jan 2003
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PostPosted: Sun Jul 04, 2004 4:33 am    Post subject: Re: Amd64 Reply with quote

svollmer wrote:

When you upgrade to GCC 3.4 later, you can set "-march=athlon64" if you have an Athlon 64.

A little off-topic, but is it possible to do the whole bootstrap and everything with gcc 3.4, right from the start? If so, how is it done? I can't find this clearly explained anywhere in the docs.

Andrew
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supernovae
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Joined: 22 Jun 2004
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PostPosted: Sun Jul 04, 2004 5:06 am    Post subject: Re: Amd64 Reply with quote

celloandy wrote:
svollmer wrote:

When you upgrade to GCC 3.4 later, you can set "-march=athlon64" if you have an Athlon 64.

A little off-topic, but is it possible to do the whole bootstrap and everything with gcc 3.4, right from the start? If so, how is it done? I can't find this clearly explained anywhere in the docs.

Andrew

Yep, did it myself not all that long ago. Just use the stage files from here http://dev.gentoo.org/~lv/stages/ instead of the default AMD64 ones. Should work just like GCC 3.3 accept that you can use AMD64 CFLAGS.
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