From: Catalin Marinas <catalin.marinas@arm.com>
To: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
Kees Cook <keescook@chromium.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Will Deacon <will@kernel.org>,
Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>,
Kristina Martsenko <kristina.martsenko@arm.com>,
Dave Martin <Dave.Martin@arm.com>,
James Morse <james.morse@arm.com>,
Vincenzo Frascino <Vincenzo.Frascino@arm.com>,
Mark Brown <Mark.Brown@arm.com>,
Richard Henderson <richard.henderson@linaro.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kbuild@vger.kernel.org
Subject: Re: [PATCH v3 14/16] kconfig: Add support for 'as-option'
Date: Fri, 17 Jan 2020 11:33:51 +0000 [thread overview]
Message-ID: <20200117113351.GF26090@arrakis.emea.arm.com> (raw)
In-Reply-To: <1576486038-9899-15-git-send-email-amit.kachhap@arm.com>
On Mon, Dec 16, 2019 at 02:17:16PM +0530, Amit Daniel Kachhap wrote:
> diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
> index d4adfbe..cc465dd 100644
> --- a/scripts/Kconfig.include
> +++ b/scripts/Kconfig.include
> @@ -31,6 +31,10 @@ cc-option = $(success,$(CC) -Werror $(CLANG_FLAGS) $(1) -E -x c /dev/null -o /de
> # Return y if the linker supports <flag>, n otherwise
> ld-option = $(success,$(LD) -v $(1))
>
> +# $(as-option,<flag>)
> +# Return y if the assembler supports <flag>, n otherwise
> +as-option = $(success, $(CC) $(CLANG_FLAGS) $(1) -E -x assembler /dev/null -o /dev/null)
I had different experiments with this for MTE and noticed that clang
does not honour the -Wa, option (which you use in a subsequent patch).
So not sure how useful as-option is.
--
Catalin
next prev parent reply other threads:[~2020-01-17 11:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1576486038-9899-1-git-send-email-amit.kachhap@arm.com>
2019-12-16 8:47 ` [PATCH v3 14/16] kconfig: Add support for 'as-option' Amit Daniel Kachhap
2019-12-17 11:43 ` Masahiro Yamada
2020-01-17 11:33 ` Catalin Marinas [this message]
2020-01-17 17:51 ` Masahiro Yamada
2020-01-20 10:26 ` Vincenzo Frascino
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200117113351.GF26090@arrakis.emea.arm.com \
--to=catalin.marinas@arm.com \
--cc=Dave.Martin@arm.com \
--cc=Mark.Brown@arm.com \
--cc=Vincenzo.Frascino@arm.com \
--cc=amit.kachhap@arm.com \
--cc=ard.biesheuvel@linaro.org \
--cc=james.morse@arm.com \
--cc=keescook@chromium.org \
--cc=kristina.martsenko@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=ramana.radhakrishnan@arm.com \
--cc=richard.henderson@linaro.org \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
--cc=yamada.masahiro@socionext.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox