[oe] How to select specific version of dependant component

[Andrew Tverdohlebov]

>
> description in bitbake.conf
>
> # Overrides are processed left to right, so the ones that are named later 
> take precedence.
> # You generally want them to go from least to most specific.
> #
> # This means that an envionment variable named '<foo>_arm' overrides an
> # environment variable '<foo>' (when ${TARGET_ARCH} is arm).
> # an environment variable '<foo>_ramses' overrides '<foo>' but doesn't 
> override
> # '<foo>_arm' when ${MACHINE} is 'ramses'.
> # If you use combination ie '<foo>_arm_ramses', then '<foo>_arm_ramses' 
> will override
> # '<foo>_arm' and then '<foo>' will be overriden with that value from 
> '<foo>_arm'.
> # And finally '<foo>_local' overrides anything, but with lowest priority.

Ok, thanks. Good hint.
So if get it correctly _local ovverides a variable only for local 
configuration. Am I right ?