AS      arch/x86/lib/semaphore_32.o
  CC      arch/x86/lib/string_32.o
  CC      arch/x86/lib/strstr_32.o
  AS      arch/x86/lib/thunk_32.o
  CC      arch/x86/lib/usercopy_32.o
  AR      arch/x86/lib/lib.a
  LD      vmlinux.o
  MODPOST vmlinux.o
WARNING: modpost: Found 46 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
arch/x86/built-in.o: In function `sys_call_table':
(.rodata+0x728): undefined reference to `sys_strcpy'
make: *** [.tmp_vmlinux1] Error 1