Re: [PATCH v2] tools lib: Fix builds when glibc contains strlcpy

[kbuild test robot]

Hi Vitaly,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.5-rc3 next-20191220]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Vitaly-Chikunov/tools-lib-Fix-builds-when-glibc-contains-strlcpy/20191224-065724
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 46cf053efec6a3a5f343fead837777efe8252a46
config: x86_64-randconfig-a002-20191224 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> ../lib/string.c:100:9: error: unknown option after '#pragma GCC diagnostic' kind [-Werror=pragmas]
    #pragma GCC diagnostic ignored "-Wignored-attributes"
            ^
   cc1: all warnings being treated as errors
   mv: cannot stat 'tools/objtool/.libstring.o.tmp': No such file or directory
   make[4]: *** [tools/objtool/libstring.o] Error 1
   make[4]: Target '__build' not remade because of errors.
   make[3]: *** [tools/objtool/objtool-in.o] Error 2
   make[3]: Target 'all' not remade because of errors.
   make[2]: *** [objtool] Error 2
   make[1]: *** [tools/objtool] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2
   10 real  22 user  11 sys  310.82% cpu 	make prepare

---
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