On Wed, 19 Jan 2000, Todd Whitesel wrote:

> alpha/conf/Makefile.alpha:COPTS?=               -O2
> amiga/conf/Makefile.amiga:COPTS?=       -O2
> arm32/conf/Makefile.arm32:COPTS?=       -O2

...

The ``?='' means that it's only set there if it's not set already, so
it shouldn't be overriding your settings. The easiest way to set COPTS
is in the kernel config:

makeoptions     COPTS="-O3 -m68040"

Does that work for you?