what means the EXTRA_KERNEL_SRC_URI variable, if anything?

what means the EXTRA_KERNEL_SRC_URI variable, if anything?

[Robert P. J. Day]

  perusing a BSP package handed to me by someone else and in their
recipes-kernel/linux/ directory, there's a custom kernel .bbappend
file with the line:

  EXTRA_KERNEL_SRC_URI += "file://kernelmods.scc"

i am unfamiliar with that SRC_URI-related variable, and i don't see it
anywhere under the numerous layers i have checked out. is this some
legacy/deprecated variable? i don't know what to make of it.

rday

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
========================================================================

Re: what means the EXTRA_KERNEL_SRC_URI variable, if anything?

[Bruce Ashfield]

On Sat, Nov 21, 2015 at 6:45 AM, Robert P. J. Day <rpjday@crashcourse.ca> wrote:
>
>   perusing a BSP package handed to me by someone else and in their
> recipes-kernel/linux/ directory, there's a custom kernel .bbappend
> file with the line:
>
>   EXTRA_KERNEL_SRC_URI += "file://kernelmods.scc"
>
> i am unfamiliar with that SRC_URI-related variable, and i don't see it
> anywhere under the numerous layers i have checked out. is this some
> legacy/deprecated variable? i don't know what to make of it.

I'm guessing that BSP was created/packaged by Wind River :) That variable
shows up in the linux-windriver kernel recipe, which is based on linux-yocto.

It was simply a way to have a variable that could be used, without requiring
direct manipulation of the SRC_URI .. since if a direct assignment had bee
done to SRC_URI "good things" got clobbered, and "bad things" happened.

I'd suggest ignoring it (except perhaps in the context of what you are using),
since it is specific to that kernel, and something that will go away over time.

oh .. and if the BSP wasn't a Wind River one .. I have no idea ;)

Cheers,

Bruce


>
> rday
>
> --
>
> ========================================================================
> Robert P. J. Day                                 Ottawa, Ontario, CANADA
>                         http://crashcourse.ca
>
> Twitter:                                       http://twitter.com/rpjday
> LinkedIn:                               http://ca.linkedin.com/in/rpjday
> ========================================================================
>
> --
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Re: what means the EXTRA_KERNEL_SRC_URI variable, if anything?

[Robert P. J. Day]

On Sat, 21 Nov 2015, Bruce Ashfield wrote:

> On Sat, Nov 21, 2015 at 6:45 AM, Robert P. J. Day <rpjday@crashcourse.ca> wrote:
> >
> >   perusing a BSP package handed to me by someone else and in their
> > recipes-kernel/linux/ directory, there's a custom kernel .bbappend
> > file with the line:
> >
> >   EXTRA_KERNEL_SRC_URI += "file://kernelmods.scc"
> >
> > i am unfamiliar with that SRC_URI-related variable, and i don't see it
> > anywhere under the numerous layers i have checked out. is this some
> > legacy/deprecated variable? i don't know what to make of it.
>
> I'm guessing that BSP was created/packaged by Wind River :) That
> variable shows up in the linux-windriver kernel recipe, which is
> based on linux-yocto.
>
> It was simply a way to have a variable that could be used, without
> requiring direct manipulation of the SRC_URI .. since if a direct
> assignment had bee done to SRC_URI "good things" got clobbered, and
> "bad things" happened.
>
> I'd suggest ignoring it (except perhaps in the context of what you
> are using), since it is specific to that kernel, and something that
> will go away over time.
>
> oh .. and if the BSP wasn't a Wind River one .. I have no idea ;)

  that is, of course, precisely where it came from -- thanks for
clearing that up.

rday

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
========================================================================