[oe] Overriding package config files in OE

[Philip Balister]

Cliff Brake wrote:
> Another approach I've been thinking about is to figure out a way for
> bitbake to use <files> from a tree outside the main OE tree.  One
> possibility is for bitbake to pull <files> as well as bb files from a
> high priority bbcollections tree, even though the bb remains in the
> main OE tree.  This probably totally breaks the way bitbake works, but

I think that having an overlay set up as a high priority collection does 
work. Steve S. uses one for his gumstix project. I like this method 
because I can easily find all the local changes he makes and see if they 
need to move back into .dev.

A local overlay lets you change the version of .dev underneath as 
needed, without moving changes across branches. Combined with sane 
source rev/dates, I believe this gives the people supporting product a 
sane build/support environment.

Philip
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