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Message-ID: <202309192257.IAbw1lnx-lkp@intel.com>
Date: Tue, 19 Sep 2023 22:40:57 +0800
From: kernel test robot <lkp@...el.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, Nathan Chancellor <nathan@...nel.org>
Subject: warning: unknown warning option '-Wrestrict'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2cf0f715623872823a72e451243bbf555d10d032
commit: feb843a469fb0ab00d2d23cfb9bcc379791011bb kbuild: add $(CLANG_FLAGS) to KBUILD_CPPFLAGS
date: 4 months ago
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20230919/202309192257.IAbw1lnx-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230919/202309192257.IAbw1lnx-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309192257.IAbw1lnx-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> warning: unknown warning option '-Wrestrict' [-Wunknown-warning-option]
>> warning: unknown warning option '-Wformat-overflow'; did you mean '-Wshift-overflow'? [-Wunknown-warning-option]
>> warning: unknown warning option '-Wformat-truncation' [-Wunknown-warning-option]
>> warning: unknown warning option '-Wstringop-overflow'; did you mean '-Wshift-overflow'? [-Wunknown-warning-option]
arch/x86/um/user-offsets.c:17:6: warning: no previous prototype for function 'foo' [-Wmissing-prototypes]
17 | void foo(void)
| ^
arch/x86/um/user-offsets.c:17:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
17 | void foo(void)
| ^
| static
5 warnings generated.
error: unknown warning option '-Wrestrict' [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wformat-overflow'; did you mean '-Wshift-overflow'? [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wformat-truncation' [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wstringop-overflow'; did you mean '-Wshift-overflow'? [-Werror,-Wunknown-warning-option]
make[2]: *** [scripts/Makefile.build:252: scripts/mod/empty.o] Error 1
error: unknown warning option '-Wrestrict' [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wformat-overflow'; did you mean '-Wshift-overflow'? [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wformat-truncation' [-Werror,-Wunknown-warning-option]
error: unknown warning option '-Wstringop-overflow'; did you mean '-Wshift-overflow'? [-Werror,-Wunknown-warning-option]
make[2]: *** [scripts/Makefile.build:114: scripts/mod/devicetable-offsets.s] Error 1
make[2]: Target 'scripts/mod/' not remade because of errors.
make[1]: *** [Makefile:1286: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:226: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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