[yocto] [meta-yocto][PATCH] poky.conf: Use weaker assignment for PREMIRROR

[Khem Raj]

On Apr 2, 2013, at 11:41 PM, Paul Eggleton <paul.eggleton at linux.intel.com> wrote:

> I'm not sure this is a path we should be going down; potentially we could end 
> up having to use ??= for just about everything.
> 

whats is downside of using ??= instead of ?=

> Wouldn't you be better off using your own separate distro config (perhaps 
> copying poky.conf instead of "require"ing it) and then the user can just set 
> it with "=" ?

yes. however you are then always on lookout for changes happening in poky policies then
you need to mimic in your distro config