diff -r d1a8c2ae7946 -r e5fc5c9ea78a config/libc/newlib.in.2
--- a/config/libc/newlib.in.2	Tue May 31 16:27:39 2011 +0200
+++ b/config/libc/newlib.in.2	Wed Sep 07 01:22:37 2011 +0200
@@ -25,3 +25,13 @@
     depends on LIBC_NEWLIB_IO_FLOAT
     help
       Enable support for IOs on long doubles.
+
+config LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS
+    bool
+    prompt "Disable the syscalls supplied with newlib"
+    help
+      Disable the syscalls that come with newlib. You
+	  will have to implement your own _sbrk, _read,
+	  _write... If you plan to port newlib to a new
+	  platform/board, say Yes.
+