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sdk-manual: Edits to "Dependency Detection and Mapping"

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Updated various prose for better understanding.

(From yocto-docs rev: ddbd66d7732bbc8b4940c660f8a8c941a5cc4ea2)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2018-05-31 09:58:18 -07:00
committed by Richard Purdie
parent 5a9e1870db
commit 290809334a
1 changed files with 13 additions and 12 deletions
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25
documentation/sdk-manual/sdk-extensible.xml
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@@ -1114,26 +1114,27 @@
detect build-time dependencies and map them to other recipes
in the system.
During this mapping, the command fills in the names of those
recipes in the
recipes as part of the
<ulink url='&YOCTO_DOCS_REF_URL;#var-DEPENDS'><filename>DEPENDS</filename></ulink>
value within the recipe.
If a dependency cannot be mapped, then a comment is placed in
the recipe indicating such.
The inability to map a dependency might be caused because the
naming is not recognized or because the dependency simply is
not available.
variable within the recipe.
If a dependency cannot be mapped, <filename>devtool</filename>
places a comment in the recipe indicating such.
The inability to map a dependency can result from naming not
being recognized or because the dependency simply is not
available.
For cases where the dependency is not available, you must use
the <filename>devtool add</filename> command to add an
additional recipe to satisfy the dependency and then come
back to the first recipe and add its name to
<filename>DEPENDS</filename>.
additional recipe that satisfies the dependency.
Once you add that recipe, you need to update the
<filename>DEPENDS</filename> variable in the original recipe
to include the new recipe.
</para>
<para>
If you need to add runtime dependencies, you can do so by
adding the following to your recipe:
<literallayout class='monospaced'>
RDEPENDS_${PN} += "dependency1 dependency2 ..."
RDEPENDS_${PN} += "<replaceable>dependency1 dependency2 ...</replaceable>"
</literallayout>
<note>
The <filename>devtool add</filename> command often cannot
@@ -1144,7 +1145,7 @@
script for the software the recipe is building for further
details.
In some cases, you might find you can substitute the
dependency for an option to disable the associated
dependency with an option that disables the associated
functionality passed to the configure script.
</note>
</para>