linux-kernel - Re: [PATCH v2] Makefile: Fix detection of clang when cross-compiling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 22 Apr 2015 16:33:20 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	Paul Cercueil <paul@...pouillou.net>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Makefile: Fix detection of clang when cross-compiling

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@...pouillou.net>

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

Michal
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/