PNaCl toolchain: Add 'nostdinc++' to build of host tools against libc++

toolchain_build/toolchain_build_pnacl.py

 #!/usr/bin/python
 # 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.
 
 """Recipes for PNaCl toolchain packages.
 
    Recipes consist of specially-structured dictionaries, with keys for package
    name, type, commands to execute, etc. The structure is documented in the
    PackageBuilder docstring in toolchain_main.py.
@@ skipping 263 matching lines @@
       extra_cc_flags += ['-m32']
     if opts.gcc or host == 'le32-nacl':
       result['CFLAGS']  += extra_cc_flags
       result['CXXFLAGS'] += extra_cc_flags
     else:
       result['CFLAGS'] += extra_cc_flags
       result['LDFLAGS'] += ['-L%(' + FlavoredName('abs_libcxx',
                                                   host, opts) + ')s/lib']
       result['CXXFLAGS'] += ([
         '-stdlib=libc++',
+        '-nostdinc++',
         '-I%(' + FlavoredName('abs_libcxx', host, opts) + ')s/include/c++/v1'] +
         extra_cc_flags)
       deps.append(FlavoredName('libcxx', host, opts))
   return result, deps
 
 
 def ConfigureHostArchFlags(host, extra_cflags, options, extra_configure=None,
                            use_afl_fuzz=False):
   """Return flags passed to LLVM and binutils configure for compilers and
   compile flags.
@@ skipping 1060 matching lines @@
       SANDBOXED_TRANSLATOR_ARCHES))
 
   tb = toolchain_main.PackageBuilder(packages,
                                      upload_packages,
                                      leftover_args)
   return tb.Main()
 
 
 if __name__ == '__main__':
   sys.exit(main())