[Buildroot] New kernel source mode [Proposal]

Przemyslaw Wrzos przemyslaw.wrzos at calyptech.com
Tue Jan 15 01:12:54 UTC 2013



I'd like to get some feedback on a feature I'd like to contribute to the
buildroot project. I'm not quite sure what the process is so I thought
I'd start on the mailing list.



PROPOSAL:  Allow a directory (containing the source tree) to be used as
the source for the kernel build. The source isn't copied to the output
directory but instead the kernel's outputmakfile wrapper facility is


RATIONALE:  In my project, changes to the kernel are frequent enough
that it is ideal to be able to update the kernel source tree and then
build directly from it.


IMPLEMENTATION:  In addition to providing a new source for the linux
build process itself, some package makefiles will need to be updated as
they currently don't differentiate between the kernel source tree and
build tree.



I have this working already though I still need to update some of the
packages as mentioned above. I wanted to ask if there would be any
interest in rolling this into the buildroot project upstream.


Thanks for your feedback.

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