optimization levels for 6-STABLE build{kernel,world}

[Michael Butler]

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