Use nacl_helper_bootstrap from native_client repository

tools/ld_bfd/ld

-#!/usr/bin/python
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Wrapper for invoking the BFD loader
-
-A simple script to invoke the bfd loader instead of gold.
-This script is in a filename "ld" so it can be invoked from gcc
-via the -B flag.
-"""
-# TODO(bradchen): Delete this script when Gold supports linker scripts properly.
-import os
-import subprocess
-import sys
-
-def PathTo(fname):
-  if fname[0] == os.pathsep:
-    return fname
-  for p in os.environ["PATH"].split(os.pathsep):
-    fpath = os.path.join(p, fname)
-    if os.path.exists(fpath):
-      return fpath
-  return fname
-
-def FindLDBFD():
-  cxx = os.getenv("CXX")
-  if not cxx:
-    cxx = "g++"
-  popen = subprocess.Popen(cxx + " -print-prog-name=ld",
-                           shell=True,
-                           stdout=subprocess.PIPE,
-                           stdin=subprocess.PIPE)
-  (ld, error) = popen.communicate()
-  if popen.wait() != 0:
-    print "Could not find ld:" + error
-    return "ld"
-  ld = ld.strip()
-  ld_bfd = PathTo(ld + ".bfd")
-  if os.access(ld_bfd, os.X_OK):
-    return ld_bfd
-  return ld
-
-def main():
-  args = [FindLDBFD()] + sys.argv[1:]
-  print("tools/ld_bfd/ld: exec " + ' '.join(args))
-  sys.exit(subprocess.call(args))
-
-if __name__ == "__main__":
-  main()