Date: Wed, 22 Apr 2015 16:33:20 +0200
From: Michal Marek <mmarek@suse.cz>
To: Paul Cercueil <paul@crapouillou.net>
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] Makefile: Fix detection of clang when cross-compiling
Message-ID: <20150422143320.GB19277@sepie.suse.cz>
References: <1429306504-26122-1-git-send-email-paul@crapouillou.net>
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On Fri, Apr 17, 2015 at 11:35:04PM +0200, Paul Cercueil wrote:
> When the host's C compiler is clang, and when attempting to
> cross-compile Linux e.g. to MIPS with mipsel-linux-gcc, the Makefile
> would incorrectly detect the use of clang, which resulted in
> clang-specific flags being passed to mipsel-linux-gcc.
> 
> This can be verified under Debian by installing the "clang" package,
> and then using it as the default compiler with:
> sudo update-alternatives --config cc
> 
> This patch moves the detection of clang after the $(CC) variable is
> initialized to the name of the cross-compiler, so that the check applies
> to the cross-compiler and not the host's C compiler.
> 
> v2: Move the detection of clang after the inclusion of the
> arch/*/Makefile (as they might set $(CROSS_COMPILE))
> 
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>

Applied to kbuild.git#kbuild. I will push it after v4.1-rc1 becomes
available, though.

Michal
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