linux-kernel - Re: [PATCH v2 1/2] selftests/lib.mk: handle both LLVM=1 and CC=clang builds

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]

Message-ID: <20240603224706.GA245774@thelio-3990X>
Date: Mon, 3 Jun 2024 15:47:06 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: John Hubbard <jhubbard@...dia.com>, Shuah Khan <shuah@...nel.org>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	Beau Belgrave <beaub@...ux.microsoft.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Naresh Kamboju <naresh.kamboju@...aro.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Bill Wendling <morbo@...gle.com>, sunliming <sunliming@...inos.cn>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Valentin Obst <kernel@...entinobst.de>,
	linux-kselftest@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, llvm@...ts.linux.dev,
	Ryan Roberts <ryan.roberts@....com>
Subject: Re: [PATCH v2 1/2] selftests/lib.mk: handle both LLVM=1 and CC=clang
 builds

On Mon, Jun 03, 2024 at 04:32:30PM +0100, Mark Brown wrote:
> On Fri, May 31, 2024 at 11:37:50AM -0700, John Hubbard wrote:
> > The kselftests may be built in a couple different ways:
> >     make LLVM=1
> >     make CC=clang
> > 
> > In order to handle both cases, set LLVM=1 if CC=clang. That way,the rest
> > of lib.mk, and any Makefiles that include lib.mk, can base decisions
> > solely on whether or not LLVM is set.
> 
> ICBW but I believe there are still some architectures with clang but not
> lld support where there's a use case for using CC=clang.

Does CC=clang even work for the selftests? lib.mk here uses 'CC :=' so
won't CC=clang get overridden to CC=$(CROSS_COMPILE)gcc?

Cheers,
Nathan