linux-kernel - Re: [PATCH 2/2] ARM: drop -mauto-it

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Message-ID: <CAKwvOd=1sEfg94kg6gbjCrrn3Wcp7BuwWKtGdD9pr_+P03eTMQ@mail.gmail.com>
Date:   Tue, 5 Mar 2019 14:21:11 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Stefan Agner <stefan@...er.ch>
Cc:     Russell King <linux@...linux.org.uk>,
        Will Deacon <will.deacon@....com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        julien.thierry@....com, Mark Rutland <mark.rutland@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/2] ARM: drop -mauto-it

On Tue, Mar 5, 2019 at 2:17 PM Stefan Agner <stefan@...er.ch> wrote:
>
> The assembler option -mauto-it is no longer a valid option. It has
> been removed from the documentation in July 2009, which is well
> before the release date of the currently supported binutils version
> 2.20.

Do you by chance have a link to the relevant commit?

>
> Signed-off-by: Stefan Agner <stefan@...er.ch>
> ---
>  arch/arm/Makefile | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index 9561325c5201..ebf67bebe73d 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -113,8 +113,7 @@ CFLAGS_ABI  +=-funwind-tables
>  endif
>
>  ifeq ($(CONFIG_THUMB2_KERNEL),y)
> -AFLAGS_AUTOIT  :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
> -CFLAGS_ISA     :=-mthumb $(AFLAGS_AUTOIT)
> +CFLAGS_ISA     :=-mthumb -Wa$(comma)-mimplicit-it=always

Is $(comma) still needed? I thought it was only needed when a flag
that would contain commas would be in another set of parens (thus
making an ambiguity), like cc-ldoption or such?  Can you replace
`$(comma)` here with `,`?  I suspect it should work.

-- 
Thanks,
~Nick Desaulniers