--- a/gcc/config/sparc/sysv4.h	Tue May 25 18:58:51 2010 +0900
+++ b/gcc/config/sparc/sysv4.h	Tue Mar 22 17:18:12 2011 +0900
@@ -1,6 +1,6 @@
 /* Target definitions for GNU compiler for SPARC running System V.4
    Copyright (C) 1991, 1992, 1995, 1996, 1997, 1998, 2000, 2002, 2007, 2009,
-   2010
+   2010, 2011
    Free Software Foundation, Inc.
    Contributed by Ron Guilmette (rfg@monkeys.com).
 
@@ -24,19 +24,15 @@
 #define TARGET_VERSION fprintf (stderr, " (sparc ELF)"); 
 #endif
 
-/* ??? Put back the SIZE_TYPE/PTRDIFF_TYPE definitions set by sparc.h.
-   Why, exactly, is svr4.h messing with this?  Seems like the chip 
-   would know best.  */
-
 #undef SIZE_TYPE
 #define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int")
 
 #undef PTRDIFF_TYPE
 #define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int")
 
-/* Undefined some symbols which are defined in "svr4.h" but which are
-   appropriate only for typical svr4 systems, but not for the specific
-   case of svr4 running on a SPARC.  */
+/* Undefined some symbols which are appropriate only for typical svr4
+   systems, but not for the specific case of svr4 running on a
+   SPARC.  */
 
 #undef INIT_SECTION_ASM_OP
 #undef FINI_SECTION_ASM_OP
@@ -50,7 +46,7 @@
 /* Pass -K to the assembler when PIC.  */
 #undef ASM_SPEC
 #define ASM_SPEC \
-  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
+  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} \
    %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
 
 /* Define the names of various pseudo-op used by the SPARC/svr4 assembler.