// found in the LICENSE file.
#include <sys/types.h> // Include something that will define __GLIBC__.
+#include "nacl_io/kernel_wrap.h" // IRT_EXT is turned on in this header.
// The entire file is wrapped in this #if. We do this so this .cc file can be
// compiled, even on a non-glibc build.
-#if defined(__native_client__) && defined(__GLIBC__)
-
-#include "nacl_io/kernel_wrap.h"
+#if !defined(NACL_IO_IRT_EXT) && defined(__native_client__) && \
+ defined(__GLIBC__)
#include <alloca.h>
#include <assert.h>