linux-kernel - Re: [PATCH] kbuild: Fix -Wimplicit-function-declaration in license_is_gpl

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Date:   Thu, 17 Nov 2022 13:25:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sam James <sam@...too.org>, linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, Sam James <sam@...too.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        trivial@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH] kbuild: Fix -Wimplicit-function-declaration in
 license_is_gpl_compatible

Hi Sam,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.1-rc5 next-20221116]
[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/Sam-James/kbuild-Fix-Wimplicit-function-declaration-in-license_is_gpl_compatible/20221117-022718
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20221116182634.2823136-1-sam%40gentoo.org
patch subject: [PATCH] kbuild: Fix -Wimplicit-function-declaration in license_is_gpl_compatible
config: arc-defconfig
compiler: arc-elf-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/f9de22a17ac9a7c6290945983b336296c3d4766b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Sam-James/kbuild-Fix-Wimplicit-function-declaration-in-license_is_gpl_compatible/20221117-022718
        git checkout f9de22a17ac9a7c6290945983b336296c3d4766b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from kernel/module/main.c:43:
>> include/linux/license.h:5:10: fatal error: string.h: No such file or directory
       5 | #include <string.h>
         |          ^~~~~~~~~~
   compilation terminated.


vim +5 include/linux/license.h

     4	
   > 5	#include <string.h>
     6	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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