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From: "H. Peter Anvin" <hpa@zytor.com>
To: behanw@converseincode.com, mmarek@suse.cz, tglx@linutronix.de,
	mingo@redhat.com, x86@kernel.org, sparse@chrisli.org
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-sparse@vger.kernel.org, torvalds@linux-foundation.org,
	dwmw2@infradead.org, pageexec@freemail.hu,
	"Jan-Simon Möller" <dl9pf@gmx.de>,
	"Mark Charlebois" <charlebm@gmail.com>
Subject: Re: [PATCH 5/5] x86 kbuild: LLVMLinux: More cc-options added for clang
Date: Tue, 25 Feb 2014 17:32:53 -0800	[thread overview]
Message-ID: <530D4445.8060304@zytor.com> (raw)
In-Reply-To: <1393376923-21892-6-git-send-email-behanw@converseincode.com>

On 02/25/2014 05:08 PM, behanw@converseincode.com wrote:
>  
> +# enforce no-sse for clang
> +ifneq ($(COMPILER),clang)
> +        KBUILD_CFLAGS += $(call cc-option,-mno-sse)
> +        KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
> +endif
> +

I'm *very* confused.  You're doing ifneq here but you're talking about
it as if you are *adding* them for Clang, also these options are already
added elsewhere (lines 57, 64, 86, 89) so why add them here?

	-hpa


  reply	other threads:[~2014-02-26  1:32 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-26  1:08 [PATCH 0/5] kbuild: LLVMLinux: Initial updates to kbuild to enable the kernel to be compiled with clang/LLVM behanw
2014-02-26  1:08 ` [PATCH 1/5] kbuild: LLVMLinux: Add Kbuild support for building kernel with Clang behanw
2014-03-09 21:58   ` Sam Ravnborg
2014-03-11  6:58     ` Behan Webster
2014-02-26  1:08 ` [PATCH 2/5] kbuild: LLVMLinux: Adapt warnings for compilation with clang behanw
2014-02-26  1:17   ` Dave Jones
2014-02-26  1:31     ` Behan Webster
2014-02-26  1:34       ` H. Peter Anvin
2014-02-26  2:38     ` Behan Webster
2014-02-26  1:08 ` [PATCH 3/5] kbuild: LLVMLinux: Fix LINUX_COMPILER definition script " behanw
2014-02-26  1:08 ` [PATCH 4/5] LLVMLinux: Add support for clang to compiler.h and new compiler-clang.h behanw
2014-02-26  1:08 ` [PATCH 5/5] x86 kbuild: LLVMLinux: More cc-options added for clang behanw
2014-02-26  1:32   ` H. Peter Anvin [this message]
2014-02-26  1:44     ` Behan Webster

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