[oe] Poky SDK generation changes

[Richard Purdie]

On Thu, 2009-09-24 at 12:49 -0700, Tom Rini wrote:
> This all sounds pretty good.  My first concern is where does MACHINE
> fit into this stuff?

MACHINE changes the target of the SDK so it is taken into account.

>   My second is, is it possible to do something like:
> $ SDK_ARCH="i586-linux" MACHINE=machine1 bitbake my-sdk-target
> $ SDK_ARCH="i586-mingw" MACHINE=machine1 bitbake my-sdk-target
> I assume so.  Then after those two, how about:
> $ SDK_ARCH="i586-linux" MACHINE=machine2 bitbake my-sdk-target
> $ SDK_ARCH="i586-mingw" MACHINE=machine2 bitbake my-sdk-target

Yes, this all does exactly what you'd expect. 

I've also added "SDKMACHINE" to Poky too which works like MACHINE with
some predefined .conf files for common targets.

Cheers,

Richard