From 00dc514612fe98cfa117193b9df28f15e7c9db9c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 22 Aug 2024 14:13:49 -0300 Subject: [PATCH] perf python: Disable -Wno-cast-function-type-mismatch if present on clang The -Wcast-function-type-mismatch option was introduced in clang 19 and its enabled by default, since we use -Werror, and python bindings do casts that are valid but trips this warning, disable it if present. Closes: https://lore.kernel.org/all/CA+icZUXoJ6BS3GMhJHV3aZWyb5Cz2haFneX0C5pUMUUhG-UVKQ@mail.gmail.com Reported-by: Sedat Dilek Tested-by: Sedat Dilek Cc: Ian Rogers Cc: Ingo Molnar Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Peter Zijlstra Cc: stable@vger.kernel.org # To allow building with the upcoming clang 19 Link: https://lore.kernel.org/lkml/CA+icZUVtHn8X1Tb_Y__c-WswsO0K8U9uy3r2MzKXwTA5THtL7w@mail.gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/setup.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 26c0f2614fe9..649550e9b7aa 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -63,6 +63,8 @@ cflags = getenv('CFLAGS', '').split() cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ] if cc_is_clang: cflags += ["-Wno-unused-command-line-argument" ] + if clang_has_option("-Wno-cast-function-type-mismatch"): + cflags += ["-Wno-cast-function-type-mismatch" ] else: cflags += ['-Wno-cast-function-type' ]