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

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Date: Mon, 3 Jun 2024 10:09:53 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Mark Brown <broonie@...nel.org>
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 6/3/24 8:32 AM, 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.

I'm inclined to wait for those to make themselves known... :)

thanks,
-- 
John Hubbard
NVIDIA