[OE-core] [PATCH] image_types: use pigz to create .gz files

[Richard Purdie]

On Wed, 2018-04-11 at 14:36 +0100, Burton, Ross wrote:
> Wouldn't that introduce a fun circular dependency if pigz-native
> needs
> to be built?

For the sstate code we could probably make it use pigz if present. 

We could also only depend on pigz-native for target, or encode the
actual pigz-native dependencies.

So there may be a few options if its worth the performance win.

Cheers,

Richard