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| author |   João Henrique Ferreira de Freitas <joaohf@gmail.com> | 2014-03-10 18:07:51 -0600 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2014-03-25 12:29:38 +0000 |
| commit | 2f643ad571d11cd25521fef79a51798387ad1ebf (patch) | |
| tree | 6f0920fdb16ded4aad64834fba9f1e8508c456dc /documentation/kernel-dev | |
| parent | a41113c94f1e959c15a21b1ed40c44cfcca0338f (diff) | |
| download | openembedded-core-contrib-2f643ad571d11cd25521fef79a51798387ad1ebf.tar.gz | |
kernel-dev: New step to "Generating Configuration Files" section.
Add a new step about how to use diffconfig task to create
kernel config fragments.
Scott fixed some grammar in one of the sentences after applying the
patch.
(From yocto-docs rev: 5b7ccdbf708cbeebc2d8dc91db129fb35aabdcdd)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'documentation/kernel-dev')
| -rw-r--r-- | documentation/kernel-dev/kernel-dev-common.xml | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/documentation/kernel-dev/kernel-dev-common.xml b/documentation/kernel-dev/kernel-dev-common.xml index a152f9fbbe..f73f981ce8 100644 --- a/documentation/kernel-dev/kernel-dev-common.xml +++ b/documentation/kernel-dev/kernel-dev-common.xml @@ -342,32 +342,25 @@ <literallayout class='monospaced'> $ bitbake linux-yocto -c kernel_configme -f </literallayout></para></listitem> - <listitem><para>Copy and rename the resulting - <filename>.config</filename> file (e.g. - <filename>config.orig</filename>). - </para></listitem> <listitem><para>Run the <filename>menuconfig</filename> command: <literallayout class='monospaced'> $ bitbake linux-yocto -c menuconfig </literallayout></para></listitem> - <listitem><para>Prepare a configuration fragment based on - the differences between the two files. - </para></listitem> + <listitem><para>Run the <filename>diffconfig</filename> + command to prepare a configuration fragment. + The resulting file <filename>fragment.cfg</filename> + will be placed in the + <filename>${</filename><ulink url='&YOCTO_DOCS_REF_URL;#var-WORKDIR'><filename>WORKDIR</filename></ulink><filename>}</filename> directory: + <literallayout class='monospaced'> + $ bitbake linux-yocto -c diffconfig + </literallayout></para></listitem> </orderedlist> </para> <para> - Ultimately, the configuration fragment file needs to be a + The <filename>diffconfig</filename> command creates a file that is a list of Linux kernel <filename>CONFIG_</filename> assignments. - It cannot be in <filename>diff</filename> format. - Here is an example of a command that creates your - configuration fragment file. - Regardless of the exact command you use, plan on reviewing - the output as you can usually remove some of the defaults: - <literallayout class='monospaced'> - $ diff -Nurp config.orig .config | sed -n "s/^\+//p" > frag.cfg - </literallayout> See the "<link linkend='changing-the-configuration'>Changing the Configuration</link>" section for information on how to use the output as a configuration fragment. |