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From: Michal Marek <mmarek@suse.cz>
To: Jean Delvare <jdelvare@suse.de>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	Bernhard Walle <bernhard@bwalle.de>,
	Ralf Baechle <ralf@linux-mips.org>,
	akpm@linux-foundation.org
Subject: Re: [PATCH v3] kbuild: Fix gcc -x syntax
Date: Wed, 03 Oct 2012 11:17:47 +0200	[thread overview]
Message-ID: <506C02BB.20606@suse.cz> (raw)
In-Reply-To: <1349188956.4441.12.camel@amber.site>

On 2.10.2012 16:42, Jean Delvare wrote:
> The correct syntax for gcc -x is "gcc -x assembler", not
> "gcc -xassembler". Even though the latter happens to work, the former
> is what is documented in the manual page and thus what gcc wrappers
> such as icecream do expect.
> 
> This isn't a cosmetic change. The missing space prevents icecream from
> recognizing compilation tasks it can't handle, leading to silent kernel
> miscompilations.
> 
> Besides me, credits go to Michael Matz and Dirk Mueller for
> investigating the miscompilation issue and tracking it down to this
> incorrect -x parameter syntax.

Applied to kbuild.git#rc-fixes. Thanks to everyone involved.

Michal

      reply	other threads:[~2012-10-03  9:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-02 14:42 [PATCH v3] kbuild: Fix gcc -x syntax Jean Delvare
2012-10-03  9:17 ` Michal Marek [this message]

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