From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> commit b81162302001f41157f6e93654aaccc30e817e2a upstream. We'll need to check if an warning option introduced in clang 19 is available on the clang version being used, so cover the error message emitted when testing for a -W option. Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> Cc: Ian Rogers <irogers@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Nathan Chancellor <nathan@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: https://lore.kernel.org/lkml/CA+icZUVtHn8X1Tb_Y__c-WswsO0K8U9uy3r2MzKXwTA5THtL7w@xxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/perf/util/setup.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -17,7 +17,7 @@ src_feature_tests = getenv('srctree') + def clang_has_option(option): cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines() - return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ] + return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o) or (b"unknown warning option" in o))] == [ ] if cc_is_clang: from sysconfig import get_config_vars Patches currently in stable-queue which might be from acme@xxxxxxxxxx are queue-6.6/perf-python-allow-checking-for-the-existence-of-warning-options-in-clang.patch queue-6.6/perf-report-fix-segfault-when-sym-sort-key-is-not-used.patch queue-6.6/perf-hist-update-hist-symbol-when-updating-maps.patch queue-6.6/perf-callchain-fix-stitch-lbr-memory-leaks.patch queue-6.6/perf-python-disable-wno-cast-function-type-mismatch-if-present-on-clang.patch