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kernel-dev: Edits to the "Working with your Own Sources" section. 

Final tweaks to this list of variables.

(From yocto-docs rev: d494c8b06a623ef4930e206dd8e5689c8a9d4923)

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 2013-01-14 11:52:28 -08:00 committed by Richard Purdie
parent ac5cee5ea1
commit b34a14014c
1 changed files with 12 additions and 7 deletions
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19
documentation/kernel-dev/kernel-dev-common.xml
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@ -449,9 +449,10 @@
<para> <para>
To help you use your own sources, the Yocto Project provides a To help you use your own sources, the Yocto Project provides a
linux-yocto custom recipe linux-yocto custom recipe
<filename>linux-yocto-custom.bb</filename> that uses (<filename>linux-yocto-custom.bb</filename>) that uses
<filename>kernel.org</filename> sources <filename>kernel.org</filename> sources
and the Yocto Project Linux kernel tools for managing Metadata. and the Yocto Project Linux kernel tools for managing
kernel Metadata.
You can find this recipe in the You can find this recipe in the
<filename>poky</filename> Git repository of the <filename>poky</filename> Git repository of the
Yocto Project <ulink url='&YOCTO_GIT_URL;'>Source Repository</ulink> Yocto Project <ulink url='&YOCTO_GIT_URL;'>Source Repository</ulink>
@ -469,7 +470,7 @@
The name should include the version of the Linux kernel you The name should include the version of the Linux kernel you
are using (e.g. <filename>linux-yocto-myproject_3.5.bb</filename>, are using (e.g. <filename>linux-yocto-myproject_3.5.bb</filename>,
where "3.5" is the base version of the Linux kernel where "3.5" is the base version of the Linux kernel
with which you would be working.</para></listitem> with which you would be working).</para></listitem>
<listitem><para>In the same directory inside your layer, <listitem><para>In the same directory inside your layer,
create a matching directory create a matching directory
to store your patches and configuration files (e.g. to store your patches and configuration files (e.g.
@ -489,7 +490,7 @@
</para></listitem> </para></listitem>
<listitem><para><filename>LINUX_VERSION</filename>: <listitem><para><filename>LINUX_VERSION</filename>:
The Linux kernel version you are using (e.g. The Linux kernel version you are using (e.g.
"3.6.3").</para></listitem> "3.4").</para></listitem>
<listitem><para><filename>LINUX_VERSION_EXTENSION</filename>: <listitem><para><filename>LINUX_VERSION_EXTENSION</filename>:
The Linux kernel <filename>CONFIG_LOCALVERSION</filename> The Linux kernel <filename>CONFIG_LOCALVERSION</filename>
that is compiled into the resulting kernel and visible that is compiled into the resulting kernel and visible
@ -508,8 +509,11 @@
The default <filename>PV</filename> assignment is The default <filename>PV</filename> assignment is
typically adequate. typically adequate.
It combines the <filename>LINUX_VERSION</filename> It combines the <filename>LINUX_VERSION</filename>
with the SCM revision (from the SRCPV variable) with the Source Control Manager (SCM) revision
and results in a string using the following form: as derived from the <filename>SRCPV</filename>
variable.
The combined results are a string with
the following form:
<literallayout class='monospaced'> <literallayout class='monospaced'>
3.4.11+git1+68a635bf8dfb64b02263c1ac80c948647cc76d5f_1+218bd8d2022b9852c60d32f0d770931e3cf343e2 3.4.11+git1+68a635bf8dfb64b02263c1ac80c948647cc76d5f_1+218bd8d2022b9852c60d32f0d770931e3cf343e2
</literallayout> </literallayout>
@ -522,7 +526,8 @@
This variable in the example recipe is set This variable in the example recipe is set
by default to a regular expression that matches by default to a regular expression that matches
only the empty string, "(^$)". only the empty string, "(^$)".
This default setting triggers an explicit build failure. This default setting triggers an explicit build
failure.
You must change it to match a list of the machines You must change it to match a list of the machines
that your new recipe supports. that your new recipe supports.
For example, to support the <filename>qemux86</filename> For example, to support the <filename>qemux86</filename>