--- a/gcc/config/lm32/uclinux-elf.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/config/lm32/uclinux-elf.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Definitions for LM32 running Linux-based GNU systems using ELF
-   Copyright (C) 1993-2017 Free Software Foundation, Inc.
+   Copyright (C) 1993-2018 Free Software Foundation, Inc.
    Contributed by Philip Blundell <philb@gnu.org>
 
    This file is part of GCC.
@@ -21,10 +21,6 @@
 /* elfos.h should have already been included.  Now just override
    any conflicting definitions and add any extras.  */
 
-/* Do not assume anything about header files.  */
-#undef NO_IMPLICIT_EXTERN_C
-#define NO_IMPLICIT_EXTERN_C
-
 /* The GNU C++ standard library requires that these macros be defined.  */
 #undef CPLUSPLUS_CPP_SPEC
 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
@@ -72,7 +68,7 @@
 #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
 
 #define LINK_GCC_C_SEQUENCE_SPEC \
-  "%{static|static-pie:--start-group} %G %L \
+  "%{static|static-pie:--start-group} %G %{!nolibc:%L} \
    %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
 
 #undef  CC1_SPEC