[RFC v6 01/21] um: split build in kernel and host parts

[Hajime Tazaki]

On Thu, 24 Sep 2020 16:33:49 +0900,
Anton Ivanov wrote:

> > The host build part has been implemented in tools/um so that we can
> > reuse the available host build infrastructure.
> > 
> > The patch also changes the UML build invocation, if before
> > 
> >   $ make ARCH=um defconfig
> >   $ make ARCH=um
> > 
> > was generating the executable now this only generates the relocatable
> > object.
> 
> This will break packaging in all distributions. We need to figure out an alternative way which is backward compatible with their builds.

Hmm, I understand the situation.
We may have to put additional steps after generating the relocatable
object in arch/um/Makefile.

-- Hajime