[oe] dependencies between packages

[Frans Meulenbroeks]

2010/1/11 C Michael Sundius <msundius at sundius.com>:
> Some of our developers have been running into this problem and I'm wondering
> how others deal with it.
>
> It seems if we have a recipe, (A) that depends upon header files staged by
> another recipe (B) then:
>
> 1) if the source for recipe (B) is modified and recompiled with:
>
>    bitbake -f -c compile B
>    bitbake B,
>
> I would expect that when recipe A is run:
>
>   bitbake A
>
> It too would be recompiled, however that does not seem to be the case. In
> fact even if recipe B is cleaned up:
>
>    bitbake -c clean B
>
> and then we run recipe A
>
>    bitbake A
>
> only recipe B is run and recipe A is NOT rerun! the dependency is satisfied
> by rerunning recipe B and then bitbake stops..
>
> is this expected behaviour? Is there away to force rerunning of recipes that
> would be "out of date" due to one of its dependent recipes being return and
> re-staging (potentially) new headers and libraries?
>
> Any help of suggestions would be greatly appreciated.
>
> Mike

If you change a recipe you should bump PR. in the recipe of B. That
will cause that bitbake A will resuilt in a rebuild.