From: Alexander Kanavin <alexander.kanavin@linux.intel.com>
To: Bernd <prof7bit@gmail.com>, yocto@yoctoproject.org
Subject: Re: variable override syntax, where is it documented?
Date: Wed, 6 Dec 2017 11:09:50 +0200 [thread overview]
Message-ID: <bb77a6ec-731f-e249-24e2-b0bbe9cf0ccf@linux.intel.com> (raw)
In-Reply-To: <CAAkg2-mQ8RswTrBrFDt1v_-600+aCYNnmhHX=9aO6X2t8f6QfA@mail.gmail.com>
On 12/06/2017 10:58 AM, Bernd wrote:
> I just found out that I can ovverride the line
>
> hostname = "${MACHINE}"
>
> in base-files simply by assigning a value to
>
> hostname_pn-base-files
>
> in my configuration file and it will re-assign it with a higher
> priority than "=".
>
> Now I wonder where this kind of black magic is documented, I don't
> seem to be able to locate any document that explains the "_pn-" syntax
> and I wonder if there are even more such tricks that could be useful
> and am looking for a document that explains them all. Is there such a
> thing?
Yes, of course. This:
http://www.yoctoproject.org/docs/latest/ref-manual/ref-manual.html#var-OVERRIDES
and this:
http://www.yoctoproject.org/docs/2.5/bitbake-user-manual/bitbake-user-manual.html#conditional-syntax-overrides
Alex
prev parent reply other threads:[~2017-12-06 9:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 8:58 variable override syntax, where is it documented? Bernd
2017-12-06 9:09 ` Alexander Kanavin [this message]
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