Messages in this thread | | | From | Nick Desaulniers <> | Date | Tue, 19 Sep 2023 13:05:52 -0700 | Subject | Re: warning: unknown warning option '-Wrestrict' |
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On Tue, Sep 19, 2023 at 7:56 AM Philip Li <philip.li@intel.com> wrote: > > On Tue, Sep 19, 2023 at 10:40:57PM +0800, kernel test robot wrote: > > 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@intel.com> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202309192257.IAbw1lnx-lkp@intel.com/ > > > > All warnings (new ones prefixed by >>): > > Sorry for the false report. Kindly ignore this.
No worries, I just checked `make LLVM=1 arch=um -j128 allnoconfig all` and had no issue.
> > > > > >> 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 > > >
-- Thanks, ~Nick Desaulniers
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