Create a build_config header file.

src/shared/platform/nacl_host_desc_mmap_test.c

 /*
  * Copyright (c) 2013 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <limits.h>
 #include <stdio.h>
 #include <string.h>
 
+#include "native_client/src/include/nacl_defines.h"
+
 #if !NACL_WINDOWS
 # include <sys/mman.h>
 #endif
 
 #include "native_client/src/include/portability.h"
 #include "native_client/src/include/portability_io.h"
 #include "native_client/src/include/nacl_compiler_annotations.h"
 #include "native_client/src/include/nacl_macros.h"
 
 #include "native_client/src/shared/platform/nacl_check.h"
@@ skipping 446 matching lines @@
       err_count += (*tests[ix].test_func)(&hd, tests[ix].test_specifics);
       CloseTestFile(&hd);
     }
   }
 
   NaClPlatformFini();
 
   /* we ignore the 2^32 or 2^64 total errors case */
   return (err_count > 255) ? 255 : err_count;
 }