diff options
Diffstat (limited to 'tools/perf/util/setup.py')
| -rw-r--r-- | tools/perf/util/setup.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 9cae2c472f4a..b65b1792ca05 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -23,10 +23,17 @@ assert srctree, "Environment variable srctree, for the Linux sources, not set" src_feature_tests = f'{srctree}/tools/build/feature' def clang_has_option(option): - cmd = shlex.split(f"{cc} {cc_options} {option}") - cmd.append(path.join(src_feature_tests, "test-hello.c")) + error_substrings = ( + b"unknown argument", + b"is not supported", + b"unknown warning option" + ) + cmd = shlex.split(f"{cc} {cc_options} {option}") + [ + "-o", "/dev/null", + path.join(src_feature_tests, "test-hello.c") + ] cc_output = Popen(cmd, stderr=PIPE).stderr.readlines() - 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))] == [ ] + return not any(any(error in line for error in error_substrings) for line in cc_output) if cc_is_clang: from sysconfig import get_config_vars |