[oe] understanding overlays

[Steffen Sledz]

I'm not really familiar with the oe/bitbake overlay details. So please forgive me if this is a faq. ;-)

Is the overlay package or file based?

Or in other words is the following scenario possible?

base layer:

  recipes/
    foo/
      foo.inc
      foo_x.y.z.bb

overlay:

  recipes/
    foo/
      foo.inc

And than build foo-x.y.z with the foo.inc from the overlay.

Steffen

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