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Groups > linux.kernel > #1628628
| From | Matthias Kaehlcke <mka@chromium.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/2] kbuild: clang: Disable the 'duplicate-decl-specifier' warning |
| Date | 2017-04-21 23:50 +0200 |
| Message-ID | <tyOBc-2u9-37@gated-at.bofh.it> (permalink) |
| References | <tyOBc-2u9-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
clang generates plenty of these warnings in different parts of the code. They are mostly caused by container_of() and other macros which declare a "const <type> *" variable for their internal use which triggers a "duplicate 'const' specifier" warning if the <type> is already const qualified. Wording-mostly-from: Michael Davidson <md@google.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> --- Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/Makefile b/Makefile index df5abf346354..6cd6d428db43 100644 --- a/Makefile +++ b/Makefile @@ -704,6 +704,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable) KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) +KBUILD_CFLAGS += $(call cc-disable-warning, duplicate-decl-specifier) # Quiet clang warning: comparison of unsigned expression < 0 is always false KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the -- 2.12.2.816.g2cccc81164-goog
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[PATCH 0/2] kbuild: clang: Disable spurious warnings Matthias Kaehlcke <mka@chromium.org> - 2017-04-21 23:50 +0200 [PATCH 2/2] kbuild: clang: Disable the 'duplicate-decl-specifier' warning Matthias Kaehlcke <mka@chromium.org> - 2017-04-21 23:50 +0200
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