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bitbake: bitbake-user-manual: Updated "Conditional Metadata" section 

Added information about using lower-case characters and no
underscore characters when using OVERRIDES.

(Bitbake rev: 4397a023f8bf738913d71a38b3e06503207311e2)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark 2016-04-15 09:14:12 -07:00 committed by Richard Purdie
parent 20a0121b55
commit 890ccd34b1
1 changed files with 6 additions and 0 deletions
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bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
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@ -379,6 +379,12 @@
You can use <filename>OVERRIDES</filename> to conditionally select
a specific version of a variable and to conditionally
append or prepend the value of a variable.
<note>
Overrides can only use lower-case characters.
Additionally, underscores are not permitted in override names
as they are used to separate overrides from each other and
from the variable name.
</note>
<itemizedlist>
<listitem><para><emphasis>Selecting a Variable:</emphasis>
The <filename>OVERRIDES</filename> variable is