--- a/gcc/config/arm/t-linux-eabi	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/arm/t-linux-eabi	Fri Oct 27 22:46:09 2017 +0900
@@ -1,4 +1,4 @@
-# Copyright (C) 2005, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2005-2017 Free Software Foundation, Inc.
 #
 # This file is part of GCC.
 #
@@ -16,23 +16,20 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-# These functions are included in shared libraries.
-TARGET_LIBGCC2_CFLAGS = -fPIC
-
 # We do not build a Thumb multilib for Linux because the definition of
 # CLEAR_INSN_CACHE in linux-gas.h does not work in Thumb mode.
+# If you set MULTILIB_OPTIONS to a non-empty value you should also set
+# MULTILIB_DEFAULTS in linux-elf.h.
 MULTILIB_OPTIONS	=
 MULTILIB_DIRNAMES	=
+MULTILIB_EXCEPTIONS	=
+MULTILIB_REUSE		=
+MULTILIB_MATCHES	=
+MULTILIB_REQUIRED	=
 
 #MULTILIB_OPTIONS     += mcpu=fa606te/mcpu=fa626te/mcpu=fmp626/mcpu=fa726te
 #MULTILIB_DIRNAMES    += fa606te fa626te fmp626 fa726te
 #MULTILIB_EXCEPTIONS  += *mthumb/*mcpu=fa606te *mthumb/*mcpu=fa626te *mthumb/*mcpu=fmp626 *mthumb/*mcpu=fa726te*
 
-# Use a version of div0 which raises SIGFPE, and a special __clear_cache.
-LIB1ASMFUNCS := $(filter-out _dvmd_tls,$(LIB1ASMFUNCS)) _dvmd_lnx _clear_cache
-
-# Multilib the standard Linux files.  Don't include crti.o or crtn.o,
-# which are provided by glibc.
-EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o
-
-LIB2FUNCS_STATIC_EXTRA += $(srcdir)/config/arm/linux-atomic.c
+ARM_EB = $(if $(findstring TARGET_BIG_ENDIAN_DEFAULT=1, $(tm_defines)),eb)
+MULTIARCH_DIRNAME = $(call if_multiarch,arm$(ARM_EB)-linux-gnueabi$(if $(filter hard,$(with_float)),hf))