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sysconfig.py
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sysconfig.py
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# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""System configuration library."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os.path as _os_path
import platform as _platform
from tensorflow.python.client import pywrap_tf_session
from tensorflow.python.framework.versions import CXX11_ABI_FLAG as _CXX11_ABI_FLAG
from tensorflow.python.framework.versions import MONOLITHIC_BUILD as _MONOLITHIC_BUILD
from tensorflow.python.framework.versions import VERSION as _VERSION
from tensorflow.python.platform import build_info
from tensorflow.python.util.tf_export import tf_export
# pylint: disable=g-import-not-at-top
@tf_export('sysconfig.get_include')
def get_include():
"""Get the directory containing the TensorFlow C++ header files.
Returns:
The directory as string.
"""
# Import inside the function.
# sysconfig is imported from the tensorflow module, so having this
# import at the top would cause a circular import, resulting in
# the tensorflow module missing symbols that come after sysconfig.
import tensorflow as tf
return _os_path.join(_os_path.dirname(tf.__file__), 'include')
@tf_export('sysconfig.get_lib')
def get_lib():
"""Get the directory containing the TensorFlow framework library.
Returns:
The directory as string.
"""
import tensorflow as tf
return _os_path.join(_os_path.dirname(tf.__file__))
@tf_export('sysconfig.get_compile_flags')
def get_compile_flags():
"""Get the compilation flags for custom operators.
Returns:
The compilation flags.
"""
flags = []
flags.append('-I%s' % get_include())
flags.append('-D_GLIBCXX_USE_CXX11_ABI=%d' % _CXX11_ABI_FLAG)
flags.append('-DEIGEN_MAX_ALIGN_BYTES=%d' %
pywrap_tf_session.get_eigen_max_align_bytes())
return flags
@tf_export('sysconfig.get_link_flags')
def get_link_flags():
"""Get the link flags for custom operators.
Returns:
The link flags.
"""
is_mac = _platform.system() == 'Darwin'
ver = _VERSION.split('.')[0]
flags = []
if not _MONOLITHIC_BUILD:
flags.append('-L%s' % get_lib())
if is_mac:
flags.append('-ltensorflow_framework.%s' % ver)
else:
flags.append('-l:libtensorflow_framework.so.%s' % ver)
return flags
@tf_export('sysconfig.get_build_info')
def get_build_info():
"""Get a dictionary describing TensorFlow's build environment.
Values are generated when TensorFlow is compiled, and are static for each
TensorFlow package. The return value is a dictionary with string keys such as:
- cuda_version
- cudnn_version
- is_cuda_build
- is_rocm_build
- msvcp_dll_names
- nvcuda_dll_name
- cudart_dll_name
- cudnn_dll_name
Note that the actual keys and values returned by this function is subject to
change across different versions of TensorFlow or across platforms.
Returns:
A Dictionary describing TensorFlow's build environment.
"""
return build_info.build_info