Re: [PATCH 1/3] gcc-plugins: Force full rebuild when plugins change

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "only suspicious fbc files changed"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20250501194826.2947101-1-kees@kernel.org>
References: <20250501194826.2947101-1-kees@kernel.org>
TO: Kees Cook <kees@kernel.org>

Hi Kees,

kernel test robot noticed the following build errors:

[auto build test ERROR on kees/for-next/hardening]
[also build test ERROR on kees/for-next/pstore linus/master v6.15-rc4 next-20250501]
[cannot apply to kees/for-next/kspp]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Kees-Cook/gcc-plugins-Force-full-rebuild-when-plugins-change/20250502-035038
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
patch link:    https://lore.kernel.org/r/20250501194826.2947101-1-kees%40kernel.org
patch subject: [PATCH 1/3] gcc-plugins: Force full rebuild when plugins change
:::::: branch date: 11 hours ago
:::::: commit date: 11 hours ago
config: arm64-randconfig-002-20250502 (https://download.01.org/0day-ci/archive/20250502/202505021403.blhkPRXG-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250502/202505021403.blhkPRXG-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/r/202505021403.blhkPRXG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> aarch64-linux-gcc: fatal error: cannot specify -o with -c, -S or -E with multiple files
   compilation terminated.
   make[3]: *** [scripts/Makefile.build:203: arch/arm64/kernel/vdso/vgettimeofday.o] Error 1 shuffle=1304459473
>> aarch64-linux-gcc: fatal error: cannot specify -o with -c, -S or -E with multiple files
   compilation terminated.
   make[3]: *** [scripts/Makefile.build:203: arch/arm64/kernel/vdso/vgetrandom.o] Error 1 shuffle=1304459473
   make[3]: Target 'include/generated/vdso-offsets.h' not remade because of errors.
   make[3]: Target 'arch/arm64/kernel/vdso/vdso.so' not remade because of errors.
   make[2]: *** [arch/arm64/Makefile:224: vdso_prepare] Error 2 shuffle=1304459473
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=1304459473
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=1304459473
   make: Target 'prepare' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki