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

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Message-ID: <306eebf8-bb5d-4e1a-9fa3-ad3f4ea11b9c@sirena.org.uk>
Date: Mon, 3 Jun 2024 16:32:30 +0100
From: Mark Brown <broonie@...nel.org>
To: John Hubbard <jhubbard@...dia.com>
Cc: 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,
	Nathan Chancellor <nathan@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>
Subject: Re: [PATCH v2 1/2] selftests/lib.mk: handle both LLVM=1 and CC=clang
 builds

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.

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