$ LANG=en make vmlinux
make[1]: Nothing to be done for `all'.
make[1]: Nothing to be done for `relocs'.
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  PASYMS  arch/x86/realmode/rm/pasyms.h
  LDS     arch/x86/realmode/rm/realmode.lds
  LD      arch/x86/realmode/rm/realmode.elf
  RELOCS  arch/x86/realmode/rm/realmode.relocs
  OBJCOPY arch/x86/realmode/rm/realmode.bin
  AS      arch/x86/realmode/rmpiggy.o
  LD      arch/x86/realmode/built-in.o
  VDSOSYM arch/x86/vdso/vdso-syms.lds
  LD      arch/x86/vdso/built-in.o
  LD      arch/x86/built-in.o
  LINK    vmlinux
  LD      vmlinux.o
  MODPOST vmlinux.o
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
init/built-in.o: In function `name_to_dev_t':
(.text+0x411): undefined reference to `__stack_chk_fail'
init/built-in.o: In function `do_one_initcall':
(.init.text+0x758): undefined reference to `__stack_chk_fail'
init/built-in.o: In function `mount_block_root':
(.init.text+0xb63): undefined reference to `__stack_chk_fail'
arch/x86/built-in.o: In function `enable_step':
step.c:(.text+0xb35a): undefined reference to `__stack_chk_fail'
arch/x86/built-in.o: In function `intel_pmu_lbr_read':
(.text+0x13227): undefined reference to `__stack_chk_fail'
arch/x86/built-in.o:perf_event_intel_ds.c:(.text+0x13992): more undefined references to `__stack_chk_fail' follow
make: *** [vmlinux] Error 1

make CFLAGS+="-fno-stack-protector"