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perf python: Ignore unused command line arguments when building with clang

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Noticed after switching to python3 by default on some older fedora
releases:

  35    38.20 fedora:27                     : FAIL clang version 5.0.2 (tags/RELEASE_502/final)
    clang-5.0: error: argument unused during compilation: '-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1' [-Werror,-Wunused-command-line-argument]
    clang-5.0: error: argument unused during compilation: '-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1' [-Werror,-Wunused-command-line-argument]
    error: command 'clang' failed with exit status 1

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2022-07-20 14:59:22 -03:00
parent f077c77699
commit 41d0914d86
2 changed files with 7 additions and 1 deletions
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4
tools/perf/util/setup.py
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@@ -48,7 +48,9 @@ class install_lib(_install_lib):
cflags = getenv('CFLAGS', '').split()
# switch off several checks (need to be at the end of cflags list)
cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls', '-DPYTHON_PERF' ]
if not cc_is_clang:
if cc_is_clang:
cflags += ["-Wno-unused-command-line-argument" ]
else:
cflags += ['-Wno-cast-function-type' ]
src_perf = getenv('srctree') + '/tools/perf'