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Date: Tue, 12 Sep 2006 15:31:20 -0400
From: Michael Butler <imb@protected-networks.net>
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To: "Marc G. Fournier" <freebsd@hub.org>
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Cc: freebsd-stable@freebsd.org
Subject: Re: optimization levels for 6-STABLE build{kernel,world}
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Marc G. Fournier wrote:
> What are ppl currently using for CFLAGS/COPTFLAGS in /etc/make.conf for 
> building kernel/world?  I know awhile back it wasn't recommended to go 
> above -O2, for instance, but suspect that has changed ... ?

CFLAGS=-O2 -pipe -fno-strict-aliasing
COPTFLAGS=-O2 -pipe -fno-strict-aliasing
CPUTYPE?=prescott

  .. just works(tm) for an Intel T-2300 dual core ;-)

Using -O3 will get you into bother with the amount of inlining the 
compiler wants to do to the kernel,

	Michael