--- a/gcc/config/m32r/t-linux	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/m32r/t-linux	Fri Oct 27 22:46:09 2017 +0900
@@ -1,4 +1,4 @@
-# Copyright (C) 2003, 2004, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2003-2017 Free Software Foundation, Inc.
 #
 # This file is part of GCC.
 #
@@ -16,42 +16,5 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-# lib1funcs.asm is currently empty.
-CROSS_LIBGCC1 =
-
-# These are really part of libgcc1, but this will cause them to be
-# built correctly, so...
-
-LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c
-
-# Turn off the SDA while compiling libgcc2.  There are no headers for it
-# and we want maximal upward compatibility here.
-
-TARGET_LIBGCC2_CFLAGS = -G 0 -fPIC
-
-fp-bit.c: $(srcdir)/config/fp-bit.c
-	echo '#define FLOAT' > fp-bit.c
-	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
-
-dp-bit.c: $(srcdir)/config/fp-bit.c
-	cat $(srcdir)/config/fp-bit.c > dp-bit.c
-
-# We need to use -fpic when we are using gcc to compile the routines in
-# initfini.c.  This is only really needed when we are going to use gcc/g++
-# to produce a shared library, but since we don't know ahead of time when
-# we will be doing that, we just always use -fpic when compiling the
-# routines in initfini.c.
-# -fpic currently isn't supported for the m32r.
-
-CRTSTUFF_T_CFLAGS_S = -fPIC
-
 # Don't install "assert.h" in gcc. We use the one in glibc.
 INSTALL_ASSERT_H =
- 
-# Do not build libgcc1. Let gcc generate those functions. The GNU/Linux
-# C library can handle them.
-LIBGCC1 = 
-CROSS_LIBGCC1 =
-LIBGCC1_TEST =
-
-SHLIB_MAPFILES += $(srcdir)/config/m32r/libgcc-glibc.ver