[oe] Overriding package config files in OE

[Koen Kooi]

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Cliff Brake schreef:
> On 11/2/07, Philip Balister <philip at balister.org> wrote:
>> 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.
> 
> I was referring to the case where I only put the files directory in
> the overlay -- not the entire recipe directory.  I have not tried this
> lately and will do so the next time I get a chance.
> 
>> 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.
> 
> Agreed.  I use overlays a lot as well and they work great -- I would
> just like to avoid having to copy the entire recipe + the files
> directory -- for example just to make a small change in
> /etc/network/interfaces.  If you copy the entire recipe directory,
> diff'ing is easy initially, but several months down the road it is
> very difficult to figure out what you changed.

You could also do it the openmoko way by defining extra overrides and
using those in FILESPATH.


regards,

Koen

- --
koen at dominion.kabel.utwente.nl will go go away in december 2007, please
use k.kooi at student.utwente.nl instead.

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