Architecture of .wic approach; image of images

Leon Woestenberg

Hello all,

What is the intended approach of building images using WIC?

Most image types (except .wic) build a (root or initial ram) filesystem from *packages*, then create the respective archive or filesystem from it.

The .wic image type however, builds an image from *images* rather than packages.

It therefore seems incorrect we can just add IMAGE_FSTYPES += "wic", because the corresponding .wks might depend on multiple other images than just ${PN}.

Should we, or do we have a recipe example that builds only a .wic image, based on one or more other existing images? (and thus not populate a filesystem itself)



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