linux-kernel - Re: [PATCH] ARM: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer

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Message-ID: <CAKwvOdnUsmGg0V5GXeo9WR-hfOUQ_3_8-9t8n4ZKS8=inpxRHA@mail.gmail.com>
Date:   Fri, 30 Aug 2019 14:15:56 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Stefan Agner <stefan@...er.ch>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Matthias Kaehlcke <mka@...omium.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] ARM: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer

On Fri, Aug 30, 2019 at 2:13 PM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> On Fri, Aug 30, 2019 at 10:28 AM Nathan Chancellor
> <natechancellor@...il.com> wrote:
> > diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> > index a43fc753aa53..23c2bf0fbd30 100644
> > --- a/arch/arm/Makefile
> > +++ b/arch/arm/Makefile
> > @@ -115,6 +115,10 @@ ifeq ($(CONFIG_ARM_UNWIND),y)
> >  CFLAGS_ABI     +=-funwind-tables
> >  endif
> >
> > +ifeq ($(CONFIG_CC_IS_CLANG),y)
> > +CFLAGS_ABI     +=-meabi gnu

Needs a space.  `+=-`.
-- 
Thanks,
~Nick Desaulniers