[yocto] Another sstate rebuild issue, badly need help understanding sstate

[Richard Purdie]

On Mon, 2014-11-03 at 12:53 +0000, Vuille, Martin (Martin) wrote:
> I have a variable “REV_TOOLS” defined in distro/conf/somename.conf in a
> custom distro layer from a git repo.
>  
> This variable is assigned to SRCREV in a number of recipes (SRCREV = “${REV_TOOLS}”)
> for packages included in my images and SDKs.

Can you describe how the value of REV_TOOLS is set? Is it just assigned
some value or done with some code?

Does clearing the bitbake cache make things rebuild as expected (mv
tmp/cache tmp/cache-old) ?

Cheers,

Richard