Re: [ptxdist] Kernel GCC plugins

[Michael Olbrich <m.olbrich@pengutronix.de>]

Hi,

On Mon, Jul 19, 2021 at 01:45:44PM +0200, Guillermo Rodriguez Garcia wrote:
> El vie, 16 jul 2021 a las 15:04, Michael Olbrich (<m.olbrich@pengutronix.de>)
> escribió:
> > On Fri, Jul 16, 2021 at 02:45:40PM +0200, Guillermo Rodriguez Garcia wrote:
> > > El viernes, 16 de julio de 2021, Alexander Dahl <post@lespocky.de>
> > escribió:
> > > > On Fri, Jul 16, 2021 at 01:32:29PM +0200, Guillermo Rodriguez Garcia
> > wrote:
> > > > > I notice that the kernelconfig files changes depending on the host
> > gcc
> > > > > version; in particular depending on supported gcc plugins.
> > > > >
> > > > > However this does not seem to make much sense -- the kernel will not
> > be
> > > > > built using the host gcc; it will be built using the cross compiler
> > from
> > > > > the toolchain.
> > > > >
> > > > > Is it possible to avoid this?
> > > >
> > > > IIRC this was addressed several times in recent ptxdist versions:
> > > >
> > > > - ptxdist-2021.04.0-14-g533f7709f ("kernel/kernel-template: set
> > > > PTXDIST_NO_GCC_PLUGINS=1 in _MAKE_ENV as well")
> > > > - ptxdist-2021.03.0-69-g7a90f622f ("template: kernel: fix disabling gcc
> > > > plugins for >= v5.11")
> > > > - ptxdist-2021.03.0-33-g114fecbd4 ("kernel: really fix disabling gcc
> > > > plugins for >= v5.11)
> > > > - ptxdist-2021.02.0-41-gd57abb428 ("kernel: fix disabling gcc plugins
> > for
> > > > >= v5.11")
> > > >
> > > > … and maybe more?
> > > >
> > > > Or is yours another problem?
> > >
> > >
> > > Do I need to do something special for this to work?
> > >
> > > I’m on ptxdist 2021.07.0 so the above fixes should be merged, yet I am
> > > still having the problem ..
> >
> > Is PTXCONF_KERNEL_GCC_PLUGINS disabled?
> 
> Yes.

Ok.

> > And which kernel version?
> 
> 
> 5.4.56
> 
> I am rechecking, perhaps I did something wrong in the process.

Or maybe that version has a different check. Looking hat the history, I
definitely checked v4.19 and v5.6. I'm not sure about the versions in
between. Take a look at what scripts/gcc-plugins/Kconfig is doing.

Michael

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