[yocto] A simpler way of creating an using a local kernel repository - BeagleBone example

[Bruce Ashfield]

On 2014-05-06, 6:31 PM, Bob Feretich wrote:
> I have had problems getting good download performance when accessing the
> kernels at kernel.org. Since I expect to build the kernel several times,
> I decided to create a copy of the kernel repository locally and use that
> for my builds.
>
> There are instructions on how to create a local repository in the Yocto
> manuals, but those are more complex than I needed. (I don't plan on
> checking anything into the repository.)
>
> The below is a simpler way of creating and using the repository.
> I'm publishing this because my search though the Yocto/OE/Angstrom
> yielded only the more complicated or incomplete methods.
>
> // First set up local kernel repository
> mkdir ~/ksrc3-8
> cd ~/ksrc3-8
> git clone --bare
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
> stable-work-bare.git
>
> // Then modify the kernel recipe to use the local repository instead of
> the the one at kernel.org.
> // The beaglebone recipe for the 3.8 kernel is at...
> setup-scripts/sources/meta-beagleboard/common-bsp/recipes-kernel/linux/linux-mainline_3.8.bb
>
>
> // Replace the file's SRC_URI with one that points to your local
> repository.
> #SRC_URI =
> "git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git;branch=linux-3.8.y"
>
> SRC_URI = "git:///home/Bob/ksrc3-8/stable-work-bare.git;branch=linux-3.8.y"

That's exactly how we've been doing it all along in the "meta-kernel-dev"
layer found in poky-extras (now meta-yocto-kernel-extras):

http://git.yoctoproject.org/cgit/cgit.cgi/meta-yocto-kernel-extras/tree/meta-kernel-dev/recipes-kernel/linux

Cheers,

Bruce

>
> Regards,
> Bob