>> XXX Why not use MACHINE_CPU rather than MACHINE_ARCH here?  Does the endianness
>> XXX really matter?
>MACHINE_ARCH shows binary compatibility and MACHINE_CPU
>(which is not appeared yet in tree) will be used to show
>source compatibility.

	(i can't seem to find the original email so maybe i'm confused)
	MACHINE_CPU is declared in in bsd.own.mk, and the content is derived
	from MACHINE_ARCH.  basically the current definition of MACHINE_CPU
	is for finding directories like lib/libc/arch/arm, for example.
	(if there were some other plans, please update or whatever...)

itojun