[yocto] BB_DANGLINGAPPENDS_WARNONLY

[Chris Larson]

On Tue, Jan 29, 2013 at 1:58 PM, Rifenbark, Scott M <
scott.m.rifenbark at intel.com> wrote:

> I can't seem to find any information on this variable other than what was
> offered in a bug (https://bugzilla.yoctoproject.org/show_bug.cgi?id=3662)
> filed against some stuff in the glossary in general.  The information
> provided there by Robert P. J. Day says it is handy when layers get out of
> sync.
>
> Can anyone out there offer more information on this variable?  Wondering
> whether this should be documented in the glossary.
>

Normally, if bitbake encounters a bbappend whose recipe no longer exists,
it treats this condition as fatal. This, as Robert says, often occurs if
layers get out of sync. For example, if oe-core bumps a recipe version and
the old one no longer exists, but the other layer hasn't updated to the new
version yet. It being fatal is a sane default, as it's important to realize
when your changes are no longer being applied. The variable you mention
changes the behavior to a warning instead.
-- 
Christopher Larson
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