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dev-manual, kernel-manual: Added links to THISDIR variable

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There is now a glossary description for the THISDIR variable
in ref-manual.  I added some cross-reference links to the
variable in key places of these two manuals.

(From yocto-docs rev: d5e01204b864b81782be33d8119c05ef328f3fd7)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>

Conflicts:

	documentation/dev-manual/dev-manual-common-tasks.xml
	documentation/kernel-dev/kernel-dev-common.xml

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
2013-05-29 14:09:04 +03:00
committed by Richard Purdie
parent a0f4706d23
commit 2dcd1f0604
3 changed files with 143 additions and 140 deletions
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33
documentation/kernel-dev/kernel-dev-common.xml
View File

@@ -92,10 +92,13 @@
<literallayout class='monospaced'>
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESEXTRAPATHS'>FILESEXTRAPATHS</ulink> := "${THISDIR}/${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:
The path <filename>${</filename><ulink url='&YOCTO_DOCS_REF_URL;#var-THISDIR'><filename>THISDIR</filename></ulink><filename>}/${</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 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>
@@ -149,15 +152,15 @@
You can make wholesale or incremental changes to the Linux
kernel <filename>.config</filename> file by including a
<filename>defconfig</filename> or by specifying
configuration fragments in the
configuration fragments in the
<ulink url='&YOCTO_DOCS_REF_URL;#var-SRC_URI'><filename>SRC_URI</filename></ulink>.
</para>
<para>
If you have a complete Linux kernel <filename>.config</filename>
file you want to use, copy it to a directory named
<filename>files</filename>, which must be in
your layer's <filename>recipes-kernel/linux</filename>
file you want to use, copy it to a directory named
<filename>files</filename>, which must be in
your layer's <filename>recipes-kernel/linux</filename>
directory, and name the file "defconfig".
Then, add the following lines to your linux-yocto
<filename>.bbappend</filename> file in your layer:
@@ -165,13 +168,13 @@
FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
SRC_URI += "file://defconfig"
</literallayout>
The
<filename>SRC_URI</filename> tells the build system how to
search for the file, while the
The
<filename>SRC_URI</filename> tells the build system how to
search for the file, while the
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESEXTRAPATHS'><filename>FILESEXTRAPATHS</filename></ulink>
extends the
extends the
<ulink url='&YOCTO_DOCS_REF_URL;#var-FILESPATH'><filename>FILESPATH</filename></ulink>
variable (search directories) to include the
variable (search directories) to include the
<filename>files</filename> directory you created for the
configuration changes.
</para>
@@ -193,8 +196,8 @@
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
</literallayout>
Next, include this configuration fragment and extend the
<filename>FILESPATH</filename> variable in your
Next, include this configuration fragment and extend the
<filename>FILESPATH</filename> variable in your
<filename>.bbappend</filename> file:
<literallayout class='monospaced'>
FILESEXTRAPATHS_prepend := "${THISDIR}/files:"