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Date:   Wed, 28 Dec 2022 02:57:43 +0100
From:   Ahelenia =?utf-8?Q?Ziemia=C5=84ska?= 
        <nabijaczleweli@nabijaczleweli.xyz>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>, linux-perf-users@vger.kernel.org,
        linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Subject: [PATCH v2 2/4] perf python: fix clang feature detection littering
Message-ID: <fef2531b8fd62727cd7e8a1b77a1b07b6610a135.1672192591.git.nabijaczleweli@nabijaczleweli.xyz>
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This left behind tools/perf/a.out,
not .gitignored and not removed by make clean.

Fixes: commit 5508672d7f4949f15c316ffd947228f130498534 ("perf python:
 Remove -mcet and -fcf-protection when building with clang")
Signed-off-by: Ahelenia Ziemia=C5=84ska <nabijaczleweli@nabijaczleweli.xyz>
---
 tools/perf/util/setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 1cee26c63613..ba0b1e078855 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -6,7 +6,7 @@ cc_is_clang =3D b"clang version" in Popen(["/bin/sh", "-c",=
 "$CC -v"], stderr=3DPIPE
 src_feature_tests  =3D getenv('srctree') + '/tools/build/feature'
=20
 def clang_has_option(option):
-    cc_output =3D Popen(["/bin/sh", "-c", '$CC "$@"', "", option, path.joi=
n(src_feature_tests, "test-hello.c")], stderr=3DPIPE).stderr.readlines()
+    cc_output =3D Popen(["/bin/sh", "-c", '$CC "$@"', "", option, "-o", "/=
dev/null", path.join(src_feature_tests, "test-hello.c")], stderr=3DPIPE).st=
derr.readlines()
     return [o for o in cc_output if ((b"unknown argument" in o) or (b"is n=
ot supported" in o))] =3D=3D [ ]
=20
 if cc_is_clang:
--=20
2.30.2


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