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  2. Kernel Header UAPI Issue

Re: Kernel Header UAPI Issue

Karthik Poduval
 

Hi Mikko,

Do you have an example on how you do that ? Do you bbapend the
linux-libc-headers recipe file ?
I have an application that uses dmabuf heap that potentially extends
across multiple BSP's as its BSP agnostic. I don't want to be patching
individual BSP recipes and generating headers. The issue I am facing
is due to backporting the patch from 5.6 to 5.4 so the required header
isn't a part of the linux-libc-headers.bb recipe. Best would have been
a virtual/kernel-keaders target that applications that require BSP
headers would add to their recipe DEPENDS. Why is this not a solved
issue by yocto project ? Why do individual BSP's need to deal with
this differently when the header install mechanism (make
headers_install) is the same irrespective of the type of BSP ?

On Tue, Feb 23, 2021 at 5:18 AM <Mikko.Rapeli@bmw.de> wrote:

Hi,

I know it's not the best or recommended approach, but I find it
hard to avoid merging linux-libc-headers recipe with the actual
kernel recipe that a distro is using. At least a static copy
of some version of uapi headers from that kernel can be used
instead of the poky side linux-libc-headers. This helps to get
the actual BSP SW delivery headers into userspace, SDK etc.

Cheers,

-Mikko
--
Regards,
Karthik Poduval
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