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kernel-dev: Updates to "Creating the Append File" section. 

Pointed out by Robert P. J. Day that I was using the wrong
FILESEXTRAPATHS example for an append file.  I failed to include
the "_prepend" part of the variable.  Also, the wording based
on the example made some assumptions and was not entirely
accurate.  The changes I put in made the section very specific.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
(From yocto-docs rev: 659c5a9c41a92f469ea0ea3630e11b4ba2df8f56)

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 2013-05-13 15:07:05 +03:00 committed by Richard Purdie
parent b47c993ca0
commit 68deb6c14f
1 changed files with 11 additions and 4 deletions
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15
documentation/kernel-dev/kernel-dev-common.xml
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@ -88,14 +88,21 @@
<literallayout class='monospaced'>
&lt;your-layer&gt;/recipes-kernel/linux/linux-yocto_3.4.bbappend
</literallayout>
The append file should initially contain the following text:
The append file should initially extend the
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESPATH'><filename>FILESPATH</filename></ulink>
search path by prepending the directory that contains your
files to the
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESEXTRAPATHS'><filename>FILESEXTRAPATHS</filename></ulink>
variable as follows:
<literallayout class='monospaced'>
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESEXTRAPATHS'>FILESEXTRAPATHS</ulink> := "${THISDIR}/${PN}"
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}"
</literallayout>
The path <filename>${THISDIR}/${</filename><ulink url='&YOCTO_DOCS_REF_URL;#var-PN'><filename>PN</filename></ulink><filename>}</filename> expands
to "linux-yocto" in the current directory for this example.
If you add any new files that modify the kernel recipe,
you need to place them in your layer in the following area:
If you add any new files that modify the kernel recipe and you
have extended <filename>FILESPATH</filename> as
described above, you must place the files in your layer in the
following area:
<literallayout class='monospaced'>
&lt;your-layer&gt;/recipes-kernel/linux/linux-yocto/
</literallayout>