[OE-core] can i totally ignore recipes not related to the current build?

[Robert P. J. Day]

  i have a layer (from elsewhere) that needs massive migration, and
generates numerous parse errors, almost all related to a specialized
image. my normal workflow is to try to build for an absolutely stock
core-image-minimal, so i don't care about any recipes or .bbappends
that don't contribute to that.

  regardless (AIUI), all recipes in all included layers will at least
be *parsed* for syntactic correctness, even if they don't contribute
to the final image, so i'd like a way to somehow totally ignore all
processing of recipes that don't do that.

  i'm aware of PNBLACKLIST, but i'm sure i verified that that simply
won't *build* that recipe, but it will still be parsed. is there a way
to utterly ignore recipes that don't contribute to a given target? i'm
sure there must be, i've just never had need for that until now.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                         http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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