|  | @@ -102,7 +102,7 @@ ENABLE_DOCUMENTATION_BUILD = os.environ.get(
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				|  |  |  EXTRA_ENV_COMPILE_ARGS = os.environ.get('GRPC_PYTHON_CFLAGS', None)
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				|  |  |  EXTRA_ENV_LINK_ARGS = os.environ.get('GRPC_PYTHON_LDFLAGS', None)
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				|  |  |  if EXTRA_ENV_COMPILE_ARGS is None:
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				|  |  | -  EXTRA_ENV_COMPILE_ARGS = ''
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				|  |  | +  EXTRA_ENV_COMPILE_ARGS = '-std=c++11'
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				|  |  |    if 'win32' in sys.platform and sys.version_info < (3, 5):
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				|  |  |      # We use define flags here and don't directly add to DEFINE_MACROS below to
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				|  |  |      # ensure that the expert user/builder has a way of turning it off (via the
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				|  | @@ -195,6 +195,7 @@ def cython_extensions_and_necessity():
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				|  |  |    extensions = [
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				|  |  |        _extension.Extension(
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				|  |  |            name=module_name,
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				|  |  | +          language='c++',
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				|  |  |            sources=[module_file] + list(CYTHON_HELPER_C_FILES) + list(CORE_C_FILES),
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				|  |  |            include_dirs=list(EXTENSION_INCLUDE_DIRECTORIES),
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				|  |  |            libraries=list(EXTENSION_LIBRARIES),
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