Re: [PATCH 2/2 v2] meta-skeleton: Add busybox config fragment example

[Mark Hatle <mark.hatle@windriver.com>]

On 8/13/13 12:23 PM, Laszlo Papp wrote:
> s/which files/which lines/

The kernel configuration mechanism has a tool that will combine the original 
configuration, and any listed configuration fragments (.cfg files).  It will 
combine these, and then filter them in such a way that last-in wins.

See the Yocto Project Linux Kernel Development manual, section 2.2.3:

http://www.yoctoproject.org/docs/current/kernel-dev/kernel-dev.html#changing-the-configuration

--Mark

> On Tue, Aug 13, 2013 at 6:23 PM, Laszlo Papp <lpapp@kde.org
> <mailto:lpapp@kde.org>> wrote:
>
>     How will this know which files exactly to disregard in the busybox include
>     file (".inc")?
>
>     Could you please give that to the commit message as explanation?
>
>
>     On Tue, Aug 13, 2013 at 6:11 PM, Saul Wold <sgw@linux.intel.com
>     <mailto:sgw@linux.intel.com>> wrote:
>
>         This shows an example of the config fragment support that
>         both the linux-yocto and busybox recipes use. This example
>         is specific to busybox.
>
>         By adding busybox CONFIG options into a .cfg file and then
>         adding that .cfg file to SRC_URI the merge_config.sh script will
>         correctly handle these CONFIG options during the do_configure task.
>
>         v2: fixed FILESEXTRAPATHS
>
>         Signed-off-by: Saul Wold <sgw@linux.intel.com <mailto:sgw@linux.intel.com>>
>         ---
>           meta-skeleton/recipes-core/busybox/busybox/no_rfkill.cfg   | 1 +
>           meta-skeleton/recipes-core/busybox/busybox_1.21.1.bbappend | 5 +++++
>           2 files changed, 6 insertions(+)
>           create mode 100644
>         meta-skeleton/recipes-core/busybox/busybox/no_rfkill.cfg
>           create mode 100644
>         meta-skeleton/recipes-core/busybox/busybox_1.21.1.bbappend
>
>         diff --git a/meta-skeleton/recipes-core/busybox/busybox/no_rfkill.cfg
>         b/meta-skeleton/recipes-core/busybox/busybox/no_rfkill.cfg
>         new file mode 100644
>         index 0000000..42c6730
>         --- /dev/null
>         +++ b/meta-skeleton/recipes-core/busybox/busybox/no_rfkill.cfg
>         @@ -0,0 +1 @@
>         +CONFIG_RFKILL=n
>         diff --git a/meta-skeleton/recipes-core/busybox/busybox_1.21.1.bbappend
>         b/meta-skeleton/recipes-core/busybox/busybox_1.21.1.bbappend
>         new file mode 100644
>         index 0000000..641f04a4
>         --- /dev/null
>         +++ b/meta-skeleton/recipes-core/busybox/busybox_1.21.1.bbappend
>         @@ -0,0 +1,5 @@
>         +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
>         +
>         +SRC_URI += " \
>         +           file://no_rfkill.cfg \
>         +           "
>         --
>         1.8.1.4
>
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