[Letux-kernel] please revert commit ce8556cca6 "kbuild: verify that $DEPMOD is installed" introduced in v4.18.4.

Dmitry Torokhov dmitry.torokhov at gmail.com
Thu Aug 23 02:39:52 CEST 2018


On Wed, Aug 22, 2018 at 4:35 PM Randy Dunlap <rdunlap at infradead.org> wrote:
>
> On 08/22/2018 11:53 AM, H. Nikolaus Schaller wrote:
> > This patch requires that /sbin/depmod is installed and installable on
> > the build host.
> >
> > But not all build hosts for cross compiling Linux are Linux systems
> > and are able to provide a working port of depmod, especially at the
> > file patch /sbin/depmod.
> >
> > I use, for example, a Darwin system to cross compile Linux and I run
> > depmod -a on the embedded system once, after installing a new Linux
> > kernel there.
> >
> > I have no problem with seeing a warning, but aborting the build process
> > is IMHO a bad idea since the previous behaviour didn't harm many people
> > as far as I see. Probably 99% of people compiling Linux kernels do that
> > on Linux and 99% of those have depmod installed for optimal operation of
> > their build host. So IMHO printing the warning is good enough.
>
> Thanks for the report and sorry about the problem.
>
> I'm OK with changing the error to a warning.
> Does the patch below work for you?

Why would one want a warning on a host that never runs "make modules_install"?
Can this check be only done when we actually try to install modules?

Thanks.

-- 
Dmitry


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