[poky] SRCREV_FORMAT breaks my builds

[Gary Thomas]

My system builds on the Poky meta layer (only), plus my
target layers.  As of an update today, I now get errors
parsing any package (in meta) which uses SRCREV_FORMAT.

The error (bitback tracebacks) is attached.

I see these recipes with SRCREV_FORMAT:
   ./meta/recipes-kernel/linux/linux-yocto-stable_git.bb:SRCREV_FORMAT = "meta_machine"
   ./meta/recipes-kernel/linux/linux-yocto_git.bb:SRCREV_FORMAT = "meta_machine"
   ./meta/recipes-kernel/linux-libc-headers/linux-libc-headers-yocto_git.bb:SRCREV_FORMAT = "meta_machine"

This error happens because I have my own machine(s) which
are not listed in poky-default-revisions.inc, such as:
   SRCREV_machine_pn-linux-yocto-stable_beagleboard ?= "0431115c9d720fee5bb105f6a7411efb4f851d26"
adding such an entry for my machine into my distribution
files does work past the problem.

Since I have my own machines and linux recipes, the linux-yocto
ones are not needed and indeed cause pain.  How can I ignore
them (since I want to use the poky meta layer untouched)?

Thanks

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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