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Date:      Mon, 16 Jan 2006 14:55:41 -0500
From:      Vivek Khera <vivek@khera.org>
To:        Adriaan de Groot <groot@kde.org>
Cc:        freebsd-amd64@freebsd.org
Subject:   Re: first time with a 64bit CPU ... kernel config ...
Message-ID:  <AAE3EE0A-964E-421B-A47B-B4BB0D2A9B57@khera.org>
In-Reply-To: <20060116214414.P76671@hex.athame.co.uk>
References:  <20060110235259.N1006@ganymede.hub.org> <4294ECA5-C8B6-484A-94BA-5EBC61498280@khera.org> <20060114012450.U28752@ganymede.hub.org> <D3F5D17A-028D-481D-81A8-D1BCE6BD0137@khera.org> <20060116214414.P76671@hex.athame.co.uk>

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On Jan 16, 2006, at 2:46 PM, Adriaan de Groot wrote:

> On Mon, 16 Jan 2006, Vivek Khera wrote:
>> On Jan 14, 2006, at 12:26 AM, Marc G. Fournier wrote:
>>> Just curious, but is there anything i want to add to make.conf?   
>>> My i386 boxes, I have:
>>> CFLAGS= -O -mpentium -pipe -g -DKVA_PAGES=512
>>> COPTFLAGS= -O -mpentium -pipe -DKVA_PAGES=512
>>
>> nope.  if anything, you can set CPUTYPE=nacona for your Intel  
>> EM64T box, but I don't see any difference than leaving it blank.
>
> Probably because the CPU is called a Nocona by Intel; presumably  
> the CPUTYPE flag would also want it spelled correctly. That said,  
> there used to be no point in setting CPUTYPE because there's just  
> one amd64 instruction set and optimization profile that gcc knows  
> about - I'm not sure if that is still the case.
>
>

Please see http://lists.freebsd.org/pipermail/freebsd-amd64/2004- 
November/002661.html for the last paragraph commentary.  Personally,  
for the co-lo facility I like to have a single buildworld image and  
packages to install on everything so I don't specify any CPUTYPEs.





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