[PATCH] powerpc/32: Avoid unsupported flags with clang

[Joel Stanley]

On Mon, 5 Nov 2018 at 14:18, Michael Ellerman <mpe at ellerman.id.au> wrote:
> > I considered putting these behind a cc-option test. If someone has an
> > opinion on that I'm happy to change.

> > -CFLAGS-$(CONFIG_PPC32)       := -ffixed-r2 $(MULTIPLEWORD)
> > +ifndef CONFIG_CC_IS_CLANG
> > +#CFLAGS-$(CONFIG_PPC32)      := -ffixed-r2 $(MULTIPLEWORD)
> > +endif
>
> I think using cc-option with a comment would be nicer, you could avoid
> the ifdef and it would also future-proof it against the option either
> appearing in a future clang or disappearing in a future gcc.

Thanks Nick and Michael. I agree, I'll re-spin using cc-option.

Cheers,

Joel