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From: Paul Eggleton <paul.eggleton@linux.intel.com>
To: Kang Kai <Kai.Kang@windriver.com>
Date: Mon, 01 Jul 2013 10:45:12 +0100
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Subject: Re: [PATCH 2/2] strace: add configure options libaio and acl
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On Monday 01 July 2013 09:52:42 Kang Kai wrote:
> On 2013=E5=B9=B406=E6=9C=8829=E6=97=A5 01:16, Paul Eggleton wrote:
> > Secondly, although this seems to work the use
> > of overrides, +=3D and ?=3D together is a little bit confusing. Per=
haps the
> > following would be a bit clearer:
> >=20
> > PACKAGECONFIG_class-target ?=3D "aio \
> >=20
> >                                ${@base_contains('DISTRO_FEATURES', =
'acl',
> >                                'acl', '', d)}"
>=20
> I considered this way.
> When 'acl' in distro feature, I want strace enable acl support. But
> PACKAGECONFIG could be overwritten that even 'acl' in distro feature =
but
> not in 'PACKAGECONFIG'.

I don't think this is a big issue - we have a fairly strong precedent f=
or=20
doing it this way so that PACKAGECONFIG customisation overrides=20
DISTRO_FEATURES, based on usage in other recipes.

Cheers,
Paul

--=20

Paul Eggleton
Intel Open Source Technology Centre