first time with a 64bit CPU ... kernel config ...

Vivek Khera vivek at
Mon Jan 16 11:55:50 PST 2006

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 
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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