[OE-core] [PATCH] wic: allow bitbake variables in kickstarter files

[Tom Rini]

On Thu, Mar 22, 2018 at 02:44:13PM +0100, Rasmus Villemoes wrote:

> image_types_wic.bbclass has a mechanism for doing variable substitution
> on .wks files by simply letting the input file be called
> .wks.in. However, that doesn't allow using variables in files included
> via the include directive.
> 
> This adds (somewhat naive) support for variable substitution in all
> files parsed by wic. The user should add all required variables to
> WICVARS to get them exported appropriately.
> 
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes at prevas.dk>

This seems quite useful and I like the idea.  I don't know the wic
internals well enough to "Reviewed-by" this myself, sorry.

-- 
Tom