[jamming] Building Objects - Need to reference with grist whenusing them in another jam file?

[Morgenthaler Björn]

> If you don't want to use gristed objects, just set source grist to nothing everywhere automatically by adding a rule to SUBDIRRULES list.
>
> rule ResetGrist
> {
>   SOURCE_GRIST = ;
> }
>
> SUBDIRRULES += ResetGrist ;
>
> But, I'm not sure if boost jam has this feature. Put an echo in the rule to make sure its being called.

Seems not to have this feature, so I would need to reset the source grist in rule SubDir. No problem for me, but I start to wonder, what are the benefits of bjam...

Regards,
Bjoern.