2010-11-3  Chung-Lin Tang  <cltang@codesourcery.com>

	Backport from mainline:

	2010-11-02  Chung-Lin Tang <cltang@codesourcery.com>

	gcc/
	* Makefile.in (LIBGCC2_CFLAGS): Add -fno-stack-protector, to
	explicitly disable stack protection when building libgcc.
	(CRTSTUFF_CFLAGS): Same, for crtbegin/end.

--- old/gcc/Makefile.in	2010-11-08 22:08:43 +0000
+++ new/gcc/Makefile.in	2010-11-11 11:34:59 +0000
@@ -646,6 +646,7 @@
 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(TARGET_LIBGCC2_CFLAGS) \
 		 $(LIBGCC2_DEBUG_CFLAGS) $(GTHREAD_FLAGS) \
 		 -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
+		 -fno-stack-protector \
 		 $(INHIBIT_LIBC_CFLAGS)
 
 # Additional options to use when compiling libgcc2.a.
@@ -659,6 +660,7 @@
 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
   -finhibit-size-directive -fno-inline -fno-exceptions \
   -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
+  -fno-stack-protector \
   $(INHIBIT_LIBC_CFLAGS)
 
 # Additional sources to handle exceptions; overridden by targets as needed.