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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/scripts/perl/Perf-Trace-Util/Build
View File

@ -3,3 +3,7 @@ perf-y += Context.o
CFLAGS_Context.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-bad-function-cast -Wno-declaration-after-statement -Wno-switch-enum
CFLAGS_Context.o += -Wno-unused-parameter -Wno-nested-externs -Wno-undef
CFLAGS_Context.o += -Wno-switch-default -Wno-shadow
ifeq ($(CC_NO_CLANG), 1)
CFLAGS_Context.o += -Wno-unused-command-line-argument
endif

4
tools/perf/util/setup.py
View File

@ -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'