[oe] A new bitbake extension: .bbappend files

[Chris Larson]

On Tue, Jul 20, 2010 at 9:29 AM, Frans Meulenbroeks <
fransmeulenbroeks at gmail.com> wrote:

> 2010/7/20 Chris Larson <clarson at kergoth.com>
>
> > On Tue, Jul 20, 2010 at 8:52 AM, Michael Smith <msmith at cbnco.com> wrote:
> >
> > > Tom Rini wrote:
> > >
> > >> It's also needed, in some cases, to lock down your changes via
> OVERRIDES
> > >> that will only match what you want to work on.  For example, we're
> using
> > a
> > >> snapshot with an older python, so amend.inc in our python directory
> > looks
> > >> like:
> > >>
> > >> SRC_URI_append_pn-python-native =
> > >> "file://python-2.6-r73342.patch;patch=1;pnum=0"
> > >> PARALLEL_MAKE_pn-python-native = ""
> > >> PR_append_pn-python-native .= ".1"
> > >>
> > >> So that we only change python-native and not all of the other python
> > >> recipes.
> > >>
> > >
> > > I think you could get the same effect by putting your amend.inc in a
> > > python-native subdirectory under your overlay recipes/python directory.
> > >
> > > Maybe there's some native magic going on that would break that. (I've
> > never
> > > amended a -native package but I use the same trick for other recipes
> > where
> > > there are multiple .bb files are in the same OE directory.)
> >
> >
> > Well, that works for -native or -cross, but there's no -target, so you
> have
> > to use a pn- override to modify the target recipe but *not* native and
> > cross.  If you put it in python/, it applies to all of them.
> >
>
> Should we have/create a -native ? Seems a logical extension.
> (but don't know how to code it)


I assume you mean -target.  You could easily enough add it to FILESPATHPKG
conditionally based on inherits_class() of
native/cross/nativesdk/crosssdk/etc.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics