linux-kernel - Re: [PATCH v2] perf build python: Don't leave a.out file when building with clang

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Message-ID: <aO5YmjYdSjlpGzjV@google.com>
Date: Tue, 14 Oct 2025 23:05:14 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	James Clark <james.clark@...aro.org>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev
Subject: Re: [PATCH v2] perf build python: Don't leave a.out file when
 building with clang

On Tue, Oct 07, 2025 at 08:38:35AM -0700, Ian Rogers wrote:
> Testing clang features doesn't specify a "-o" option so an a.out file
> is created and left in the make directory (not the output). Fix this
> by specifying a "-o" of "/dev/null". Reorganize the code a little to
> help with readability.
> 
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> Tested-by: Justin Stitt <justinstitt@...gle.com>

Applied to perf-tools-next, thanks!

Best regards,
Namhyung