Re: [gentoo-user] switching CPU's -- what strange things do I need?

[John covici]

on Friday 01/25/2008 Andrey Falko(ma3oxuct@×××××.com) wrote
 > On Jan 25, 2008 10:00 AM, John covici <covici@××××××××××.com> wrote:
 > 
 > > Hi folks.  I right now have my CCFLAGS set to CFLAGS="-O2
 > > -mtune=athlon-xp -pipe" -- now I am getting one of those new Intel
 > > e8400 CPU's and so I have two questions.
 > >
 > > What should I change my CCFLAGS to -- and do I have to recompile the
 > > whole system after this is done or what?
 > 
 > 
 > I've done this before. I moved from an old Intel 3.06 Ghz to a new Athlon64
 > 4600+. I did *not* change flags before the move from system to system. After
 > the move, however,  I  changed my -march flag (in your case -mtune, which is
 > equivalent) and recompiled everything to have the change take effect.
 > 
 > In your case, move the system from machine to machine, then change your
 > -mtune to: -mtune=nocona (see
 > http://gcc.gnu.org/onlinedocs/gcc-4.2.2/gcc/i386-and-x86_002d64-Options.html#i386-and-x86_002d64-Options)
 > . When you are done with that recompile everything: emerge -e world
 > 
Thanks all -- I have a 32-bit profile, so I guess I will not be able
to use ncona -- is this correct?


-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@××××××××××.com
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