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From: Nikos Chantziaras <realnc@arcor.de>
Subject: [gentoo-amd64] Re: intel processors x gentoo
Date: Tue, 28 Sep 2010 21:30:34 +0300
Organization: Lucas Barks
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On 09/28/2010 08:03 PM, Zhu Sha Zang wrote:
>    I have some machines running gentoo and every machine running under
> AMD Processors (64-bit profile), everything is right. Every source code
> compile fine.
>
> But, some machines, i've installed under Intel Core 2 Quad or i7
> processor and this machines have problem compile especific 2 packages:
>
> glibc (>=2.11.2) and lvm2 (2.02.73-r1)
>
> It's weird, don't compile in any intel processor machine.
>
> Take a example of emerge --info uner i7 machine.
>
> CFLAGS="-march=core2 -msse4 -mcx16 -mpopcnt -msahf -O2 -pipe"

Maybe use some sane CFLAGS, like removing -msse4 -mcx16 -mpopcnt -msahf 
might help.