* configure.in (--enable-newlib-nano-malloc): New option.

* configure: Regenerated.
	* libc/configure.in (--enable-newlib-nano-malloc): New option.
	* libc/configure: Regenerated.
	* libc/stdlib/Makefile.am (NEWLIB_NANO_MALLOC): Use.
	* libc/stdlib/Makefile.in: Regenerated.
	* libc/stdlib/nano-mallocr.c: New file, implementing nano
	version malloc family functions.

newlib/configure

@@ -792,6 +792,7 @@ enable_newlib_reent_small
 enable_newlib_fvwrite_in_streamio
 enable_newlib_fseek_optimization
 enable_newlib_wide_orient
+enable_newlib_nano_malloc
 enable_multilib
 enable_target_optspace
 enable_malloc_debugging
@@ -1458,6 +1459,7 @@ Optional Features:
   --disable-newlib-fvwrite-in-streamio    disable iov in streamio
   --disable-newlib-fseek-optimization    disable fseek optimization
   --disable-newlib-wide-orient    Turn off wide orientation in streamio
+  --enable-newlib-nano-malloc    use small-footprint nano-malloc implementation
   --enable-multilib         build many library versions (default)
   --enable-target-optspace  optimize for space
   --enable-malloc-debugging indicate malloc debugging requested
@@ -2395,6 +2397,19 @@ else
 fi
 
 
+# Check whether --enable-newlib-nano-malloc was given.
+if test "${enable_newlib_nano_malloc+set}" = set; then :
+  enableval=$enable_newlib_nano_malloc; if test "${newlib_nano_malloc+set}" != set; then
+  case "${enableval}" in
+    yes) newlib_nano_malloc=yes ;;
+    no)  newlib_nano_malloc=no  ;;
+    *)   as_fn_error $? "bad value ${enableval} for newlib-nano-malloc option" "$LINENO" 5 ;;
+  esac
+ fi
+else
+  newlib_nano_malloc=no
+fi
+
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
@@ -12297,6 +12312,13 @@ _ACEOF
 
 fi
 
+if test "${newlib_nano_malloc}" = "yes"; then
+cat >>confdefs.h <<_ACEOF
+#define NEWLIB_NANO_MALLOC 1
+_ACEOF
+
+fi
+
 
 if test "x${iconv_encodings}" != "x" \
    || test "x${iconv_to_encodings}" != "x" \