Hello, instead of creating a new variable (don't sure of its possible usefulness), you can use BBMASK or review dependencies between your layer
PS: I did a similar answer on your stackoverflow question. On Tue, 29 Jun 2021 at 01:29, Jonas Vautherin <jonas.vauthe...@gmail.com> wrote: > I was thinking about my issue described here [1], and discovered the > variables called COMPATIBLE_MACHINE and COMPATIBLE_HOST, which "you can use > to stop recipes from being built for machines (/hosts) with which the > recipes are not compatible". And so I wondered if it would make sense to > add COMPATIBLE_IMAGE, for a similar purpose. > > Let me explain my issue: I define different images in different layers > (say `first-project-image` and `second-project-image`), and in each of > those layers I create `.bbappends` to configure some packages. Typically > `hostapd` is used by both images, but with a different config file. > > The thing is that when I run `bitbake first-project-image`, because > `second-project-image` is part of my bblayers.conf, then the > hostapd_%.bbappend from `second-project-image` is used and may have an > impact on `first-project-image`, which I don't want. I really want this > bbappend to only affect the image `second-project-image`. > > One way I can see to deal with that is to realize that > `first-project-image` and `second-project-image` are two different > projects, and build them from two different BUILDDIRs. The thing I don't > like here is that all the packages are therefore downloaded and built > twice, which seems like a loss of time and space. > > That's where I thought about COMPATIBLE_IMAGE. In the hostapd_%.bbappend > of `first-project-image`, I would set "COMPATIBLE_IMAGE = > 'first-project-image'", and similarly for "COMPATIBLE_IMAGE = > 'second-project-image'". So that I could still share a BUILDDIR between > different projects. > > How bad of an idea is that? > > Thanks in advance, > Jonas > > [1]: https://stackoverflow.com/questions/68167244/image-specific-layers > > > >
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