--- a/gcc/config/rs6000/t-ppccomm	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/rs6000/t-ppccomm	Fri Oct 27 22:46:09 2017 +0900
@@ -1,7 +1,6 @@
 # Common support for PowerPC ELF targets (both EABI and SVR4).
 #
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2006, 2007,
-# 2008 Free Software Foundation, Inc.
+# Copyright (C) 1996-2017 Free Software Foundation, Inc.
 #
 # This file is part of GCC.
 #
@@ -19,57 +18,6 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-LIB2FUNCS_EXTRA += tramp.S $(srcdir)/config/rs6000/darwin-ldouble.c
-
-# These can't end up in shared libgcc
-LIB2FUNCS_STATIC_EXTRA = eabi.S
-
-eabi.S: $(srcdir)/config/rs6000/eabi.asm
-	cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
-
-tramp.S: $(srcdir)/config/rs6000/tramp.asm
-	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
-
 # Switch synonyms
 MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
 MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd
-
-EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
-  crtbeginS$(objext) crtendS$(objext) crtbeginT$(objext) \
-  ecrti$(objext) ecrtn$(objext) \
-  ncrti$(objext) ncrtn$(objext)
-
-# We build {e,n}crti.o and {e,n}crtn.o, which serve to add begin and
-# end labels to all of the special sections used when we link using gcc.
-
-# Assemble startup files.
-ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
-	cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
-
-ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
-	cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
-
-ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm
-	cat $(srcdir)/config/rs6000/sol-ci.asm >ncrti.S
-
-ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
-	cat $(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S
-
-# Build multiple copies of ?crt{i,n}.o, one for each target switch.
-$(T)ecrti$(objext): ecrti.S
-	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext)
-
-$(T)ecrtn$(objext): ecrtn.S
-	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)
-
-$(T)ncrti$(objext): ncrti.S
-	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext)
-
-$(T)ncrtn$(objext): ncrtn.S
-	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext)
-
-# It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
-CRTSTUFF_T_CFLAGS = -msdata=none
-# Make sure crt*.o are built with -fPIC even if configured with 
-# --enable-shared --disable-multilib
-CRTSTUFF_T_CFLAGS_S = -fPIC -msdata=none