Re: [PATCH v2 2/2] Makefile: infer CROSS_COMPILE from SRCARCH for LLVM=1 LLVM_IAS=1

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Hi Arnd,

On Tue, Jul 27, 2021 at 9:49 AM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> On Tue, Jul 27, 2021 at 9:07 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> > On Mon, Jul 26, 2021 at 10:27 PM Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
> > > Masahiro Yamada <masahiroy@xxxxxxxxxx> writes:
> > > > On Wed, Jul 21, 2021 at 4:58 AM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> > >
> > > Does anyone have any ideas?
> > >
> > > Something so we don't have to specify all of these variables on the make
> > > command line would be nice.
> >
> > Just including the main Makefile does not work.
> > That's why I went with the more convoluted solution in
> > https://lore.kernel.org/linux-kbuild/CAMuHMdXJBqrpzaSNDJgic14ESiHV6cCcb_5E-st6iniXdmm9_g@xxxxxxxxxxxxxx/
>
> This is roughly what I use as well, but it does have the downside that
> it confuses
> the inner 'make' when you build multiple targets in parallel, e.g.
>
> make -skj30 kernel/ mm/ init/
>
> works with the normal Makefile, but fails spectacularly with my nested
> GNUmakefile because it starts multiple sub-processes that each try to
> build the same preparation files (I did not try your version).

Seems to work fine with mine...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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