Commit b8116230 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf python: Allow checking for the existence of warning options in clang 



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: default avatarSedat Dilek <sedat.dilek@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/lkml/CA+icZUVtHn8X1Tb_Y__c-WswsO0K8U9uy3r2MzKXwTA5THtL7w@mail.gmail.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1cfd01eb

tools/perf/util/setup.py

+1 −1
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ src_feature_tests = getenv('srctree') + '/tools/build/feature' 


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