>	is it useful if we move them upwards, to bsd.own.mk?
>	(of course, we may be able to pick different variable name)

	past suggestions:

	http://mail-index.netbsd.org/tech-toolchain/1999/03/31/0000.html
	MACHINE_SRCARCH

	http://mail-index.netbsd.org/tech-kern/2000/03/19/0009.html
	MACHINE_ARCH_DIRS (slightly different thing)

itojun