tools: Suppress request for warning options not existent in clang
To allow building with clang, avoiding: error: unknown warning option '-Wstrict-aliasing=3'; did you mean '-Wstring-plus-int'? [-Werror,-Wunknown-warning-option] Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-xvthlvmhzfnt7jx73jgmaea1@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -32,7 +32,6 @@ EXTRA_WARNINGS += -Wold-style-definition
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EXTRA_WARNINGS += -Wpacked
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EXTRA_WARNINGS += -Wpacked
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EXTRA_WARNINGS += -Wredundant-decls
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EXTRA_WARNINGS += -Wredundant-decls
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EXTRA_WARNINGS += -Wshadow
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EXTRA_WARNINGS += -Wshadow
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EXTRA_WARNINGS += -Wstrict-aliasing=3
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EXTRA_WARNINGS += -Wstrict-prototypes
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EXTRA_WARNINGS += -Wstrict-prototypes
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EXTRA_WARNINGS += -Wswitch-default
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EXTRA_WARNINGS += -Wswitch-default
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EXTRA_WARNINGS += -Wswitch-enum
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EXTRA_WARNINGS += -Wswitch-enum
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@ -40,6 +39,10 @@ EXTRA_WARNINGS += -Wundef
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EXTRA_WARNINGS += -Wwrite-strings
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EXTRA_WARNINGS += -Wwrite-strings
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EXTRA_WARNINGS += -Wformat
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EXTRA_WARNINGS += -Wformat
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ifneq ($(CC), clang)
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EXTRA_WARNINGS += -Wstrict-aliasing=3
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endif
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ifneq ($(findstring $(MAKEFLAGS), w),w)
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ifneq ($(findstring $(MAKEFLAGS), w),w)
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PRINT_DIR = --no-print-directory
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PRINT_DIR = --no-print-directory
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else
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else
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