diff -ru binutils-2.23.2.orig//binutils/configure binutils-2.23.2/binutils/configure
--- binutils-2.23.2.orig//binutils/configure	Mon Nov  5 08:27:34 2012
+++ binutils-2.23.2/binutils/configure	Sat Oct 30 16:49:44 2021
@@ -12742,33 +12742,6 @@
 
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mbstate_t" >&5
-$as_echo_n "checking for mbstate_t... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <wchar.h>
-int
-main ()
-{
-mbstate_t teststate;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  have_mbstate_t=yes
-else
-  have_mbstate_t=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_mbstate_t" >&5
-$as_echo "$have_mbstate_t" >&6; }
-  if test x"$have_mbstate_t" = xyes; then
-
-$as_echo "#define HAVE_MBSTATE_T 1" >>confdefs.h
-
-  fi
-
 # Some systems have frexp only in -lm, not in -lc.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing frexp" >&5
 $as_echo_n "checking for library containing frexp... " >&6; }