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SubjectRe: [PATCH 1/4] arm64: vdso32: Introduce COMPAT_CC_IS_GCC
On Thu, Sep 26, 2019 at 01:22:01PM +0100, Vincenzo Frascino wrote:
> On 9/26/19 11:56 AM, Vincenzo Frascino wrote:
> > On 9/26/19 9:06 AM, Catalin Marinas wrote:
> >> Now, could we not generate a COMPATCC in the Makefile and use
> >> $(COMPATCC) here instead of $(CROSS_COMPILE_COMPAT)gcc? It really
> >> doesn't make sense to check that gcc is gcc.
> >>
> >
> > All right, COMPATCC is already in the makefile, I will use it in here.
> What you are proposing seems not possible because Kconfig runs first and then
> the arch Makefile, hence compatcc does not take effect on the Kconfig. I will
> post v2 with what I proposed, please feel free to comment if you have a better idea.

I think it works as long as you export COMPATCC from the
arch/arm64/Makefile. The arch Makefile is used in the config step
AFAICT. See the diff I posted in my reply to your v2.


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