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bitbake: bitbake-user-manual-ref-variables.xml: Edits to PROVIDES variable.

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Added some more detail to help describe the variable.

(Bitbake rev: 4b2019e67324f0f86e1a49d256eddb4f9ca597f4)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2014-06-26 09:50:26 +03:00
committed by Richard Purdie
parent 41b46d7826
commit 157c80f488
1 changed files with 22 additions and 10 deletions
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32
bitbake/doc/bitbake-user-manual/bitbake-user-manual-ref-variables.xml
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@@ -1744,16 +1744,28 @@
<glossentry id='var-PROVIDES'><glossterm>PROVIDES</glossterm>
<glossdef>
<para>
A list of aliases that a recipe also provides.
These aliases are useful for satisfying dependencies of
other recipes during the build (as specified by
<filename><link linkend='var-DEPENDS'>DEPENDS</link></filename>).
<note>
A recipe's own
<filename><link linkend='var-PN'>PN</link></filename>
is implicitly already in its
<filename>PROVIDES</filename> list.
</note>
A list of aliases by which a particular recipe can be
known.
By default, a recipe's own
<filename><link linkend='var-PN'>PN</link></filename>
is implicitly already in its <filename>PROVIDES</filename>
list.
If a recipe uses <filename>PROVIDES</filename>, the
additional aliases are synonyms for the recipe and can
be useful satisfying dependencies of other recipes during
the build as specified by
<filename><link linkend='var-DEPENDS'>DEPENDS</link></filename>.
</para>
<para>
Consider the following example
<filename>PROVIDES</filename> statement from a recipe
file <filename>libav_0.8.11.bb</filename>:
<literallayout class='monospaced'>
PROVIDES += "libpostproc"
</literallayout>
The <filename>PROVIDES</filename> statement results in
the "libav" recipe also being known as "libpostproc".
</para>
</glossdef>
</glossentry>