-
- # Copyright 2017 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.
- # ==============================================================================
- """configure script to get build parameters from user."""
-
- from __future__ import absolute_import
- from __future__ import division
- from __future__ import print_function
-
- import argparse
- import errno
- import os
- import platform
- import re
- import subprocess
- import sys
-
- # pylint: disable=g-import-not-at-top
- try:
- from shutil import which
- except ImportError:
- from distutils.spawn import find_executable as which
- # pylint: enable=g-import-not-at-top
-
- _DEFAULT_CUDA_VERSION = '9.0'
- _DEFAULT_CUDNN_VERSION = '7'
- _DEFAULT_NCCL_VERSION = '1.3'
- _DEFAULT_CUDA_COMPUTE_CAPABILITIES = '3.5,5.2'
- _DEFAULT_CUDA_PATH = '/usr/local/cuda'
- _DEFAULT_CUDA_PATH_LINUX = '/opt/cuda'
- _DEFAULT_CUDA_PATH_WIN = ('C:/Program Files/NVIDIA GPU Computing '
- 'Toolkit/CUDA/v%s' % _DEFAULT_CUDA_VERSION)
- _DEFAULT_TENSORRT_PATH_LINUX = '/usr/lib/%s-linux-gnu' % platform.machine()
- _TF_OPENCL_VERSION = '1.2'
- _DEFAULT_COMPUTECPP_TOOLKIT_PATH = '/usr/local/computecpp'
- _DEFAULT_TRISYCL_INCLUDE_DIR = '/usr/local/triSYCL/include'
- _SUPPORTED_ANDROID_NDK_VERSIONS = [10, 11, 12, 13, 14, 15]
-
- _DEFAULT_PROMPT_ASK_ATTEMPTS = 10
-
- _TF_WORKSPACE_ROOT = os.path.abspath(os.path.dirname(__file__))
- _TF_BAZELRC_FILENAME = '.tf_configure.bazelrc'
- _TF_BAZELRC = os.path.join(_TF_WORKSPACE_ROOT, _TF_BAZELRC_FILENAME)
- _TF_WORKSPACE = os.path.join(_TF_WORKSPACE_ROOT, 'WORKSPACE')
-
-
- class UserInputError(Exception):
- pass
-
-
- def is_windows():
- return platform.system() == 'Windows'
-
-
- def is_linux():
- return platform.system() == 'Linux'
-
-
- def is_macos():
- return platform.system() == 'Darwin'
-
-
- def is_ppc64le():
- return platform.machine() == 'ppc64le'
-
-
- def is_cygwin():
- return platform.system().startswith('CYGWIN_NT')
-
-
- def get_input(question):
- try:
- try:
- answer = raw_input(question)
- except NameError:
- answer = input(question) # pylint: disable=bad-builtin
- except EOFError:
- answer = ''
- return answer
-
-
- def symlink_force(target, link_name):
- """Force symlink, equivalent of 'ln -sf'.
-
- Args:
- target: items to link to.
- link_name: name of the link.
- """
- try:
- os.symlink(target, link_name)
- except OSError as e:
- if e.errno == errno.EEXIST:
- os.remove(link_name)
- os.symlink(target, link_name)
- else:
- raise e
-
-
- def sed_in_place(filename, old, new):
- """Replace old string with new string in file.
-
- Args:
- filename: string for filename.
- old: string to replace.
- new: new string to replace to.
- """
- with open(filename, 'r') as f:
- filedata = f.read()
- newdata = filedata.replace(old, new)
- with open(filename, 'w') as f:
- f.write(newdata)
-
-
- def write_to_bazelrc(line):
- with open(_TF_BAZELRC, 'a') as f:
- f.write(line + '\n')
-
-
- def write_action_env_to_bazelrc(var_name, var):
- write_to_bazelrc('build --action_env %s="%s"' % (var_name, str(var)))
-
-
- def run_shell(cmd, allow_non_zero=False):
- if allow_non_zero:
- try:
- output = subprocess.check_output(cmd)
- except subprocess.CalledProcessError as e:
- output = e.output
- else:
- output = subprocess.check_output(cmd)
- return output.decode('UTF-8').strip()
-
-
- def cygpath(path):
- """Convert path from posix to windows."""
- return os.path.abspath(path).replace('\\', '/')
-
-
- def get_python_path(environ_cp, python_bin_path):
- """Get the python site package paths."""
- python_paths = []
- if environ_cp.get('PYTHONPATH'):
- python_paths = environ_cp.get('PYTHONPATH').split(':')
- try:
- library_paths = run_shell(
- [python_bin_path, '-c',
- 'import site; print("\\n".join(site.getsitepackages()))']).split('\n')
- except subprocess.CalledProcessError:
- library_paths = [run_shell(
- [python_bin_path, '-c',
- 'from distutils.sysconfig import get_python_lib;'
- 'print(get_python_lib())'])]
-
- all_paths = set(python_paths + library_paths)
-
- paths = []
- for path in all_paths:
- if os.path.isdir(path):
- paths.append(path)
- return paths
-
-
- def get_python_major_version(python_bin_path):
- """Get the python major version."""
- return run_shell([python_bin_path, '-c', 'import sys; print(sys.version[0])'])
-
-
- def setup_python(environ_cp):
- """Setup python related env variables."""
- # Get PYTHON_BIN_PATH, default is the current running python.
- default_python_bin_path = sys.executable
- ask_python_bin_path = ('Please specify the location of python. [Default is '
- '%s]: ') % default_python_bin_path
- while True:
- python_bin_path = get_from_env_or_user_or_default(
- environ_cp, 'PYTHON_BIN_PATH', ask_python_bin_path,
- default_python_bin_path)
- # Check if the path is valid
- if os.path.isfile(python_bin_path) and os.access(
- python_bin_path, os.X_OK):
- break
- elif not os.path.exists(python_bin_path):
- print('Invalid python path: %s cannot be found.' % python_bin_path)
- else:
- print('%s is not executable. Is it the python binary?' % python_bin_path)
- environ_cp['PYTHON_BIN_PATH'] = ''
-
- # Convert python path to Windows style before checking lib and version
- if is_windows() or is_cygwin():
- python_bin_path = cygpath(python_bin_path)
-
- # Get PYTHON_LIB_PATH
- python_lib_path = environ_cp.get('PYTHON_LIB_PATH')
- if not python_lib_path:
- python_lib_paths = get_python_path(environ_cp, python_bin_path)
- if environ_cp.get('USE_DEFAULT_PYTHON_LIB_PATH') == '1':
- python_lib_path = python_lib_paths[0]
- else:
- print('Found possible Python library paths:\n %s' %
- '\n '.join(python_lib_paths))
- default_python_lib_path = python_lib_paths[0]
- python_lib_path = get_input(
- 'Please input the desired Python library path to use. '
- 'Default is [%s]\n' % python_lib_paths[0])
- if not python_lib_path:
- python_lib_path = default_python_lib_path
- environ_cp['PYTHON_LIB_PATH'] = python_lib_path
-
- python_major_version = get_python_major_version(python_bin_path)
-
- # Convert python path to Windows style before writing into bazel.rc
- if is_windows() or is_cygwin():
- python_lib_path = cygpath(python_lib_path)
-
- # Set-up env variables used by python_configure.bzl
- write_action_env_to_bazelrc('PYTHON_BIN_PATH', python_bin_path)
- write_action_env_to_bazelrc('PYTHON_LIB_PATH', python_lib_path)
- write_to_bazelrc('build --force_python=py%s' % python_major_version)
- write_to_bazelrc('build --host_force_python=py%s' % python_major_version)
- write_to_bazelrc('build --python_path=\"%s"' % python_bin_path)
- environ_cp['PYTHON_BIN_PATH'] = python_bin_path
-
- # Write tools/python_bin_path.sh
- with open(os.path.join(
- _TF_WORKSPACE_ROOT, 'tools', 'python_bin_path.sh'), 'w') as f:
- f.write('export PYTHON_BIN_PATH="%s"' % python_bin_path)
-
-
- def reset_tf_configure_bazelrc(workspace_path):
- """Reset file that contains customized config settings."""
- open(_TF_BAZELRC, 'w').close()
- bazelrc_path = os.path.join(workspace_path, '.bazelrc')
-
- data = []
- if os.path.exists(bazelrc_path):
- with open(bazelrc_path, 'r') as f:
- data = f.read().splitlines()
- with open(bazelrc_path, 'w') as f:
- for l in data:
- if _TF_BAZELRC_FILENAME in l:
- continue
- f.write('%s\n' % l)
- if is_windows():
- tf_bazelrc_path = _TF_BAZELRC.replace("\\", "/")
- else:
- tf_bazelrc_path = _TF_BAZELRC
- f.write('import %s\n' % tf_bazelrc_path)
-
-
- def cleanup_makefile():
- """Delete any leftover BUILD files from the Makefile build.
-
- These files could interfere with Bazel parsing.
- """
- makefile_download_dir = os.path.join(
- _TF_WORKSPACE_ROOT, 'tensorflow', 'contrib', 'makefile', 'downloads')
- if os.path.isdir(makefile_download_dir):
- for root, _, filenames in os.walk(makefile_download_dir):
- for f in filenames:
- if f.endswith('BUILD'):
- os.remove(os.path.join(root, f))
-
-
- def get_var(environ_cp,
- var_name,
- query_item,
- enabled_by_default,
- question=None,
- yes_reply=None,
- no_reply=None):
- """Get boolean input from user.
-
- If var_name is not set in env, ask user to enable query_item or not. If the
- response is empty, use the default.
-
- Args:
- environ_cp: copy of the os.environ.
- var_name: string for name of environment variable, e.g. "TF_NEED_HDFS".
- query_item: string for feature related to the variable, e.g. "Hadoop File
- System".
- enabled_by_default: boolean for default behavior.
- question: optional string for how to ask for user input.
- yes_reply: optional string for reply when feature is enabled.
- no_reply: optional string for reply when feature is disabled.
-
- Returns:
- boolean value of the variable.
-
- Raises:
- UserInputError: if an environment variable is set, but it cannot be
- interpreted as a boolean indicator, assume that the user has made a
- scripting error, and will continue to provide invalid input.
- Raise the error to avoid infinitely looping.
- """
- if not question:
- question = 'Do you wish to build TensorFlow with %s support?' % query_item
- if not yes_reply:
- yes_reply = '%s support will be enabled for TensorFlow.' % query_item
- if not no_reply:
- no_reply = 'No %s' % yes_reply
-
- yes_reply += '\n'
- no_reply += '\n'
-
- if enabled_by_default:
- question += ' [Y/n]: '
- else:
- question += ' [y/N]: '
-
- var = environ_cp.get(var_name)
- if var is not None:
- var_content = var.strip().lower()
- true_strings = ('1', 't', 'true', 'y', 'yes')
- false_strings = ('0', 'f', 'false', 'n', 'no')
- if var_content in true_strings:
- var = True
- elif var_content in false_strings:
- var = False
- else:
- raise UserInputError(
- 'Environment variable %s must be set as a boolean indicator.\n'
- 'The following are accepted as TRUE : %s.\n'
- 'The following are accepted as FALSE: %s.\n'
- 'Current value is %s.' % (
- var_name, ', '.join(true_strings), ', '.join(false_strings),
- var))
-
- while var is None:
- user_input_origin = get_input(question)
- user_input = user_input_origin.strip().lower()
- if user_input == 'y':
- print(yes_reply)
- var = True
- elif user_input == 'n':
- print(no_reply)
- var = False
- elif not user_input:
- if enabled_by_default:
- print(yes_reply)
- var = True
- else:
- print(no_reply)
- var = False
- else:
- print('Invalid selection: %s' % user_input_origin)
- return var
-
-
- def set_build_var(environ_cp, var_name, query_item, option_name,
- enabled_by_default, bazel_config_name=None):
- """Set if query_item will be enabled for the build.
-
- Ask user if query_item will be enabled. Default is used if no input is given.
- Set subprocess environment variable and write to .bazelrc if enabled.
-
- Args:
- environ_cp: copy of the os.environ.
- var_name: string for name of environment variable, e.g. "TF_NEED_HDFS".
- query_item: string for feature related to the variable, e.g. "Hadoop File
- System".
- option_name: string for option to define in .bazelrc.
- enabled_by_default: boolean for default behavior.
- bazel_config_name: Name for Bazel --config argument to enable build feature.
- """
-
- var = str(int(get_var(environ_cp, var_name, query_item, enabled_by_default)))
- environ_cp[var_name] = var
- if var == '1':
- write_to_bazelrc('build --define %s=true' % option_name)
- elif bazel_config_name is not None:
- # TODO(mikecase): Migrate all users of configure.py to use --config Bazel
- # options and not to set build configs through environment variables.
- write_to_bazelrc('build:%s --define %s=true'
- % (bazel_config_name, option_name))
-
-
- def set_action_env_var(environ_cp,
- var_name,
- query_item,
- enabled_by_default,
- question=None,
- yes_reply=None,
- no_reply=None):
- """Set boolean action_env variable.
-
- Ask user if query_item will be enabled. Default is used if no input is given.
- Set environment variable and write to .bazelrc.
-
- Args:
- environ_cp: copy of the os.environ.
- var_name: string for name of environment variable, e.g. "TF_NEED_HDFS".
- query_item: string for feature related to the variable, e.g. "Hadoop File
- System".
- enabled_by_default: boolean for default behavior.
- question: optional string for how to ask for user input.
- yes_reply: optional string for reply when feature is enabled.
- no_reply: optional string for reply when feature is disabled.
- """
- var = int(
- get_var(environ_cp, var_name, query_item, enabled_by_default, question,
- yes_reply, no_reply))
-
- write_action_env_to_bazelrc(var_name, var)
- environ_cp[var_name] = str(var)
-
-
- def convert_version_to_int(version):
- """Convert a version number to a integer that can be used to compare.
-
- Version strings of the form X.YZ and X.Y.Z-xxxxx are supported. The
- 'xxxxx' part, for instance 'homebrew' on OS/X, is ignored.
-
- Args:
- version: a version to be converted
-
- Returns:
- An integer if converted successfully, otherwise return None.
- """
- version = version.split('-')[0]
- version_segments = version.split('.')
- for seg in version_segments:
- if not seg.isdigit():
- return None
-
- version_str = ''.join(['%03d' % int(seg) for seg in version_segments])
- return int(version_str)
-
-
- def check_bazel_version(min_version):
- """Check installed bazel version is at least min_version.
-
- Args:
- min_version: string for minimum bazel version.
-
- Returns:
- The bazel version detected.
- """
- if which('bazel') is None:
- print('Cannot find bazel. Please install bazel.')
- sys.exit(0)
- curr_version = run_shell(['bazel', '--batch', '--bazelrc=/dev/null', 'version'])
-
- for line in curr_version.split('\n'):
- if 'Build label: ' in line:
- curr_version = line.split('Build label: ')[1]
- break
-
- min_version_int = convert_version_to_int(min_version)
- curr_version_int = convert_version_to_int(curr_version)
-
- # Check if current bazel version can be detected properly.
- if not curr_version_int:
- print('WARNING: current bazel installation is not a release version.')
- print('Make sure you are running at least bazel %s' % min_version)
- return curr_version
-
- print('You have bazel %s installed.' % curr_version)
-
- if curr_version_int < min_version_int:
- print('Please upgrade your bazel installation to version %s or higher to '
- 'build TensorFlow!' % min_version)
- sys.exit(0)
- return curr_version
-
-
- def set_cc_opt_flags(environ_cp):
- """Set up architecture-dependent optimization flags.
-
- Also append CC optimization flags to bazel.rc..
-
- Args:
- environ_cp: copy of the os.environ.
- """
- if is_ppc64le():
- # gcc on ppc64le does not support -march, use mcpu instead
- default_cc_opt_flags = '-mcpu=native'
- elif is_windows():
- default_cc_opt_flags = '/arch:AVX'
- else:
- default_cc_opt_flags = '-march=native'
- question = ('Please specify optimization flags to use during compilation when'
- ' bazel option "--config=opt" is specified [Default is %s]: '
- ) % default_cc_opt_flags
- cc_opt_flags = get_from_env_or_user_or_default(environ_cp, 'CC_OPT_FLAGS',
- question, default_cc_opt_flags)
- for opt in cc_opt_flags.split():
- write_to_bazelrc('build:opt --copt=%s' % opt)
- # It should be safe on the same build host.
- if not is_ppc64le() and not is_windows():
- write_to_bazelrc('build:opt --host_copt=-march=native')
- write_to_bazelrc('build:opt --define with_default_optimizations=true')
- # TODO(mikecase): Remove these default defines once we are able to get
- # TF Lite targets building without them.
- write_to_bazelrc('build --copt=-DGEMMLOWP_ALLOW_SLOW_SCALAR_FALLBACK')
- write_to_bazelrc('build --host_copt=-DGEMMLOWP_ALLOW_SLOW_SCALAR_FALLBACK')
-
- def set_tf_cuda_clang(environ_cp):
- """set TF_CUDA_CLANG action_env.
-
- Args:
- environ_cp: copy of the os.environ.
- """
- question = 'Do you want to use clang as CUDA compiler?'
- yes_reply = 'Clang will be used as CUDA compiler.'
- no_reply = 'nvcc will be used as CUDA compiler.'
- set_action_env_var(
- environ_cp,
- 'TF_CUDA_CLANG',
- None,
- False,
- question=question,
- yes_reply=yes_reply,
- no_reply=no_reply)
-
-
- def set_tf_download_clang(environ_cp):
- """Set TF_DOWNLOAD_CLANG action_env."""
- question = 'Do you wish to download a fresh release of clang? (Experimental)'
- yes_reply = 'Clang will be downloaded and used to compile tensorflow.'
- no_reply = 'Clang will not be downloaded.'
- set_action_env_var(
- environ_cp,
- 'TF_DOWNLOAD_CLANG',
- None,
- False,
- question=question,
- yes_reply=yes_reply,
- no_reply=no_reply)
-
-
- def get_from_env_or_user_or_default(environ_cp, var_name, ask_for_var,
- var_default):
- """Get var_name either from env, or user or default.
-
- If var_name has been set as environment variable, use the preset value, else
- ask for user input. If no input is provided, the default is used.
-
- Args:
- environ_cp: copy of the os.environ.
- var_name: string for name of environment variable, e.g. "TF_NEED_HDFS".
- ask_for_var: string for how to ask for user input.
- var_default: default value string.
-
- Returns:
- string value for var_name
- """
- var = environ_cp.get(var_name)
- if not var:
- var = get_input(ask_for_var)
- print('\n')
- if not var:
- var = var_default
- return var
-
-
- def set_clang_cuda_compiler_path(environ_cp):
- """Set CLANG_CUDA_COMPILER_PATH."""
- default_clang_path = which('clang') or ''
- ask_clang_path = ('Please specify which clang should be used as device and '
- 'host compiler. [Default is %s]: ') % default_clang_path
-
- while True:
- clang_cuda_compiler_path = get_from_env_or_user_or_default(
- environ_cp, 'CLANG_CUDA_COMPILER_PATH', ask_clang_path,
- default_clang_path)
- if os.path.exists(clang_cuda_compiler_path):
- break
-
- # Reset and retry
- print('Invalid clang path: %s cannot be found.' % clang_cuda_compiler_path)
- environ_cp['CLANG_CUDA_COMPILER_PATH'] = ''
-
- # Set CLANG_CUDA_COMPILER_PATH
- environ_cp['CLANG_CUDA_COMPILER_PATH'] = clang_cuda_compiler_path
- write_action_env_to_bazelrc('CLANG_CUDA_COMPILER_PATH',
- clang_cuda_compiler_path)
-
-
- def prompt_loop_or_load_from_env(
- environ_cp,
- var_name,
- var_default,
- ask_for_var,
- check_success,
- error_msg,
- suppress_default_error=False,
- n_ask_attempts=_DEFAULT_PROMPT_ASK_ATTEMPTS
- ):
- """Loop over user prompts for an ENV param until receiving a valid response.
-
- For the env param var_name, read from the environment or verify user input
- until receiving valid input. When done, set var_name in the environ_cp to its
- new value.
-
- Args:
- environ_cp: (Dict) copy of the os.environ.
- var_name: (String) string for name of environment variable, e.g. "TF_MYVAR".
- var_default: (String) default value string.
- ask_for_var: (String) string for how to ask for user input.
- check_success: (Function) function that takes one argument and returns a
- boolean. Should return True if the value provided is considered valid. May
- contain a complex error message if error_msg does not provide enough
- information. In that case, set suppress_default_error to True.
- error_msg: (String) String with one and only one '%s'. Formatted with each
- invalid response upon check_success(input) failure.
- suppress_default_error: (Bool) Suppress the above error message in favor of
- one from the check_success function.
- n_ask_attempts: (Integer) Number of times to query for valid input before
- raising an error and quitting.
-
- Returns:
- [String] The value of var_name after querying for input.
-
- Raises:
- UserInputError: if a query has been attempted n_ask_attempts times without
- success, assume that the user has made a scripting error, and will
- continue to provide invalid input. Raise the error to avoid infinitely
- looping.
- """
- default = environ_cp.get(var_name) or var_default
- full_query = '%s [Default is %s]: ' % (
- ask_for_var,
- default,
- )
-
- for _ in range(n_ask_attempts):
- val = get_from_env_or_user_or_default(environ_cp,
- var_name,
- full_query,
- default)
- if check_success(val):
- break
- if not suppress_default_error:
- print(error_msg % val)
- environ_cp[var_name] = ''
- else:
- raise UserInputError('Invalid %s setting was provided %d times in a row. '
- 'Assuming to be a scripting mistake.' %
- (var_name, n_ask_attempts))
-
- environ_cp[var_name] = val
- return val
-
-
- def create_android_ndk_rule(environ_cp):
- """Set ANDROID_NDK_HOME and write Android NDK WORKSPACE rule."""
- if is_windows() or is_cygwin():
- default_ndk_path = cygpath('%s/Android/Sdk/ndk-bundle' %
- environ_cp['APPDATA'])
- elif is_macos():
- default_ndk_path = '%s/library/Android/Sdk/ndk-bundle' % environ_cp['HOME']
- else:
- default_ndk_path = '%s/Android/Sdk/ndk-bundle' % environ_cp['HOME']
-
- def valid_ndk_path(path):
- return (os.path.exists(path) and
- os.path.exists(os.path.join(path, 'source.properties')))
-
- android_ndk_home_path = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='ANDROID_NDK_HOME',
- var_default=default_ndk_path,
- ask_for_var='Please specify the home path of the Android NDK to use.',
- check_success=valid_ndk_path,
- error_msg=('The path %s or its child file "source.properties" '
- 'does not exist.')
- )
-
- write_android_ndk_workspace_rule(android_ndk_home_path)
-
-
- def create_android_sdk_rule(environ_cp):
- """Set Android variables and write Android SDK WORKSPACE rule."""
- if is_windows() or is_cygwin():
- default_sdk_path = cygpath('%s/Android/Sdk' % environ_cp['APPDATA'])
- elif is_macos():
- default_sdk_path = '%s/library/Android/Sdk/ndk-bundle' % environ_cp['HOME']
- else:
- default_sdk_path = '%s/Android/Sdk' % environ_cp['HOME']
-
- def valid_sdk_path(path):
- return (os.path.exists(path) and
- os.path.exists(os.path.join(path, 'platforms')) and
- os.path.exists(os.path.join(path, 'build-tools')))
-
- android_sdk_home_path = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='ANDROID_SDK_HOME',
- var_default=default_sdk_path,
- ask_for_var='Please specify the home path of the Android SDK to use.',
- check_success=valid_sdk_path,
- error_msg=('Either %s does not exist, or it does not contain the '
- 'subdirectories "platforms" and "build-tools".'))
-
- platforms = os.path.join(android_sdk_home_path, 'platforms')
- api_levels = sorted(os.listdir(platforms))
- api_levels = [x.replace('android-', '') for x in api_levels]
-
- def valid_api_level(api_level):
- return os.path.exists(os.path.join(android_sdk_home_path,
- 'platforms',
- 'android-' + api_level))
-
- android_api_level = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='ANDROID_API_LEVEL',
- var_default=api_levels[-1],
- ask_for_var=('Please specify the Android SDK API level to use. '
- '[Available levels: %s]') % api_levels,
- check_success=valid_api_level,
- error_msg='Android-%s is not present in the SDK path.')
-
- build_tools = os.path.join(android_sdk_home_path, 'build-tools')
- versions = sorted(os.listdir(build_tools))
-
- def valid_build_tools(version):
- return os.path.exists(os.path.join(android_sdk_home_path,
- 'build-tools',
- version))
-
- android_build_tools_version = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='ANDROID_BUILD_TOOLS_VERSION',
- var_default=versions[-1],
- ask_for_var=('Please specify an Android build tools version to use. '
- '[Available versions: %s]') % versions,
- check_success=valid_build_tools,
- error_msg=('The selected SDK does not have build-tools version %s '
- 'available.'))
-
- write_android_sdk_workspace_rule(android_sdk_home_path,
- android_build_tools_version,
- android_api_level)
-
-
- def write_android_sdk_workspace_rule(android_sdk_home_path,
- android_build_tools_version,
- android_api_level):
- print('Writing android_sdk_workspace rule.\n')
- with open(_TF_WORKSPACE, 'a') as f:
- f.write("""
- android_sdk_repository(
- name="androidsdk",
- api_level=%s,
- path="%s",
- build_tools_version="%s")\n
- """ % (android_api_level, android_sdk_home_path, android_build_tools_version))
-
-
- def write_android_ndk_workspace_rule(android_ndk_home_path):
- print('Writing android_ndk_workspace rule.')
- ndk_api_level = check_ndk_level(android_ndk_home_path)
- if int(ndk_api_level) not in _SUPPORTED_ANDROID_NDK_VERSIONS:
- print('WARNING: The API level of the NDK in %s is %s, which is not '
- 'supported by Bazel (officially supported versions: %s). Please use '
- 'another version. Compiling Android targets may result in confusing '
- 'errors.\n' % (android_ndk_home_path, ndk_api_level,
- _SUPPORTED_ANDROID_NDK_VERSIONS))
- with open(_TF_WORKSPACE, 'a') as f:
- f.write("""
- android_ndk_repository(
- name="androidndk",
- path="%s",
- api_level=%s)\n
- """ % (android_ndk_home_path, ndk_api_level))
-
-
- def check_ndk_level(android_ndk_home_path):
- """Check the revision number of an Android NDK path."""
- properties_path = '%s/source.properties' % android_ndk_home_path
- if is_windows() or is_cygwin():
- properties_path = cygpath(properties_path)
- with open(properties_path, 'r') as f:
- filedata = f.read()
-
- revision = re.search(r'Pkg.Revision = (\d+)', filedata)
- if revision:
- return revision.group(1)
- return None
-
-
- def workspace_has_any_android_rule():
- """Check the WORKSPACE for existing android_*_repository rules."""
- with open(_TF_WORKSPACE, 'r') as f:
- workspace = f.read()
- has_any_rule = re.search(r'^android_[ns]dk_repository',
- workspace,
- re.MULTILINE)
- return has_any_rule
-
-
- def set_gcc_host_compiler_path(environ_cp):
- """Set GCC_HOST_COMPILER_PATH."""
- default_gcc_host_compiler_path = which('gcc') or ''
- cuda_bin_symlink = '%s/bin/gcc' % environ_cp.get('CUDA_TOOLKIT_PATH')
-
- if os.path.islink(cuda_bin_symlink):
- # os.readlink is only available in linux
- default_gcc_host_compiler_path = os.path.realpath(cuda_bin_symlink)
-
- gcc_host_compiler_path = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='GCC_HOST_COMPILER_PATH',
- var_default=default_gcc_host_compiler_path,
- ask_for_var=
- 'Please specify which gcc should be used by nvcc as the host compiler.',
- check_success=os.path.exists,
- error_msg='Invalid gcc path. %s cannot be found.',
- )
-
- write_action_env_to_bazelrc('GCC_HOST_COMPILER_PATH', gcc_host_compiler_path)
-
-
- def reformat_version_sequence(version_str, sequence_count):
- """Reformat the version string to have the given number of sequences.
-
- For example:
- Given (7, 2) -> 7.0
- (7.0.1, 2) -> 7.0
- (5, 1) -> 5
- (5.0.3.2, 1) -> 5
-
- Args:
- version_str: String, the version string.
- sequence_count: int, an integer.
- Returns:
- string, reformatted version string.
- """
- v = version_str.split('.')
- if len(v) < sequence_count:
- v = v + (['0'] * (sequence_count - len(v)))
-
- return '.'.join(v[:sequence_count])
-
-
- def set_tf_cuda_version(environ_cp):
- """Set CUDA_TOOLKIT_PATH and TF_CUDA_VERSION."""
- ask_cuda_version = (
- 'Please specify the CUDA SDK version you want to use, '
- 'e.g. 7.0. [Leave empty to default to CUDA %s]: ') % _DEFAULT_CUDA_VERSION
-
- for _ in range(_DEFAULT_PROMPT_ASK_ATTEMPTS):
- # Configure the Cuda SDK version to use.
- tf_cuda_version = get_from_env_or_user_or_default(
- environ_cp, 'TF_CUDA_VERSION', ask_cuda_version, _DEFAULT_CUDA_VERSION)
- tf_cuda_version = reformat_version_sequence(str(tf_cuda_version), 2)
-
- # Find out where the CUDA toolkit is installed
- default_cuda_path = _DEFAULT_CUDA_PATH
- if is_windows() or is_cygwin():
- default_cuda_path = cygpath(
- environ_cp.get('CUDA_PATH', _DEFAULT_CUDA_PATH_WIN))
- elif is_linux():
- # If the default doesn't exist, try an alternative default.
- if (not os.path.exists(default_cuda_path)
- ) and os.path.exists(_DEFAULT_CUDA_PATH_LINUX):
- default_cuda_path = _DEFAULT_CUDA_PATH_LINUX
- ask_cuda_path = ('Please specify the location where CUDA %s toolkit is'
- ' installed. Refer to README.md for more details. '
- '[Default is %s]: ') % (tf_cuda_version, default_cuda_path)
- cuda_toolkit_path = get_from_env_or_user_or_default(
- environ_cp, 'CUDA_TOOLKIT_PATH', ask_cuda_path, default_cuda_path)
-
- if is_windows():
- cuda_rt_lib_path = 'lib/x64/cudart.lib'
- elif is_linux():
- cuda_rt_lib_path = 'lib64/libcudart.so.%s' % tf_cuda_version
- elif is_macos():
- cuda_rt_lib_path = 'lib/libcudart.%s.dylib' % tf_cuda_version
-
- cuda_toolkit_path_full = os.path.join(cuda_toolkit_path, cuda_rt_lib_path)
- if os.path.exists(cuda_toolkit_path_full):
- break
-
- # Reset and retry
- print('Invalid path to CUDA %s toolkit. %s cannot be found' %
- (tf_cuda_version, cuda_toolkit_path_full))
- environ_cp['TF_CUDA_VERSION'] = ''
- environ_cp['CUDA_TOOLKIT_PATH'] = ''
-
- else:
- raise UserInputError('Invalid TF_CUDA_SETTING setting was provided %d '
- 'times in a row. Assuming to be a scripting mistake.' %
- _DEFAULT_PROMPT_ASK_ATTEMPTS)
-
- # Set CUDA_TOOLKIT_PATH and TF_CUDA_VERSION
- environ_cp['CUDA_TOOLKIT_PATH'] = cuda_toolkit_path
- write_action_env_to_bazelrc('CUDA_TOOLKIT_PATH', cuda_toolkit_path)
- environ_cp['TF_CUDA_VERSION'] = tf_cuda_version
- write_action_env_to_bazelrc('TF_CUDA_VERSION', tf_cuda_version)
-
-
- def set_tf_cudnn_version(environ_cp):
- """Set CUDNN_INSTALL_PATH and TF_CUDNN_VERSION."""
- ask_cudnn_version = (
- 'Please specify the cuDNN version you want to use. '
- '[Leave empty to default to cuDNN %s.0]: ') % _DEFAULT_CUDNN_VERSION
-
- for _ in range(_DEFAULT_PROMPT_ASK_ATTEMPTS):
- tf_cudnn_version = get_from_env_or_user_or_default(
- environ_cp, 'TF_CUDNN_VERSION', ask_cudnn_version,
- _DEFAULT_CUDNN_VERSION)
- tf_cudnn_version = reformat_version_sequence(str(tf_cudnn_version), 1)
-
- default_cudnn_path = environ_cp.get('CUDA_TOOLKIT_PATH')
- ask_cudnn_path = (r'Please specify the location where cuDNN %s library is '
- 'installed. Refer to README.md for more details. [Default'
- ' is %s]:') % (tf_cudnn_version, default_cudnn_path)
- cudnn_install_path = get_from_env_or_user_or_default(
- environ_cp, 'CUDNN_INSTALL_PATH', ask_cudnn_path, default_cudnn_path)
-
- # Result returned from "read" will be used unexpanded. That make "~"
- # unusable. Going through one more level of expansion to handle that.
- cudnn_install_path = os.path.realpath(
- os.path.expanduser(cudnn_install_path))
- if is_windows() or is_cygwin():
- cudnn_install_path = cygpath(cudnn_install_path)
-
- if is_windows():
- cuda_dnn_lib_path = 'lib/x64/cudnn.lib'
- cuda_dnn_lib_alt_path = 'lib/x64/cudnn.lib'
- elif is_linux():
- cuda_dnn_lib_path = 'lib64/libcudnn.so.%s' % tf_cudnn_version
- cuda_dnn_lib_alt_path = 'libcudnn.so.%s' % tf_cudnn_version
- elif is_macos():
- cuda_dnn_lib_path = 'lib/libcudnn.%s.dylib' % tf_cudnn_version
- cuda_dnn_lib_alt_path = 'libcudnn.%s.dylib' % tf_cudnn_version
-
- cuda_dnn_lib_path_full = os.path.join(cudnn_install_path, cuda_dnn_lib_path)
- cuda_dnn_lib_alt_path_full = os.path.join(cudnn_install_path,
- cuda_dnn_lib_alt_path)
- if os.path.exists(cuda_dnn_lib_path_full) or os.path.exists(
- cuda_dnn_lib_alt_path_full):
- break
-
- # Try another alternative for Linux
- if is_linux():
- ldconfig_bin = which('ldconfig') or '/sbin/ldconfig'
- cudnn_path_from_ldconfig = run_shell([ldconfig_bin, '-p'])
- cudnn_path_from_ldconfig = re.search('.*libcudnn.so .* => (.*)',
- cudnn_path_from_ldconfig)
- if cudnn_path_from_ldconfig:
- cudnn_path_from_ldconfig = cudnn_path_from_ldconfig.group(1)
- if os.path.exists('%s.%s' % (cudnn_path_from_ldconfig,
- tf_cudnn_version)):
- cudnn_install_path = os.path.dirname(cudnn_path_from_ldconfig)
- break
-
- # Reset and Retry
- print(
- 'Invalid path to cuDNN %s toolkit. None of the following files can be '
- 'found:' % tf_cudnn_version)
- print(cuda_dnn_lib_path_full)
- print(cuda_dnn_lib_alt_path_full)
- if is_linux():
- print('%s.%s' % (cudnn_path_from_ldconfig, tf_cudnn_version))
-
- environ_cp['TF_CUDNN_VERSION'] = ''
- else:
- raise UserInputError('Invalid TF_CUDNN setting was provided %d '
- 'times in a row. Assuming to be a scripting mistake.' %
- _DEFAULT_PROMPT_ASK_ATTEMPTS)
-
- # Set CUDNN_INSTALL_PATH and TF_CUDNN_VERSION
- environ_cp['CUDNN_INSTALL_PATH'] = cudnn_install_path
- write_action_env_to_bazelrc('CUDNN_INSTALL_PATH', cudnn_install_path)
- environ_cp['TF_CUDNN_VERSION'] = tf_cudnn_version
- write_action_env_to_bazelrc('TF_CUDNN_VERSION', tf_cudnn_version)
-
-
- def set_tf_tensorrt_install_path(environ_cp):
- """Set TENSORRT_INSTALL_PATH and TF_TENSORRT_VERSION.
-
- Adapted from code contributed by Sami Kama (https://github.com/samikama).
-
- Args:
- environ_cp: copy of the os.environ.
-
- Raises:
- ValueError: if this method was called under non-Linux platform.
- UserInputError: if user has provided invalid input multiple times.
- """
- if not is_linux():
- raise ValueError('Currently TensorRT is only supported on Linux platform.')
-
- # Ask user whether to add TensorRT support.
- if str(int(get_var(
- environ_cp, 'TF_NEED_TENSORRT', 'TensorRT', False))) != '1':
- return
-
- for _ in range(_DEFAULT_PROMPT_ASK_ATTEMPTS):
- ask_tensorrt_path = (r'Please specify the location where TensorRT is '
- 'installed. [Default is %s]:') % (
- _DEFAULT_TENSORRT_PATH_LINUX)
- trt_install_path = get_from_env_or_user_or_default(
- environ_cp, 'TENSORRT_INSTALL_PATH', ask_tensorrt_path,
- _DEFAULT_TENSORRT_PATH_LINUX)
-
- # Result returned from "read" will be used unexpanded. That make "~"
- # unusable. Going through one more level of expansion to handle that.
- trt_install_path = os.path.realpath(
- os.path.expanduser(trt_install_path))
-
- def find_libs(search_path):
- """Search for libnvinfer.so in "search_path"."""
- fl = set()
- if os.path.exists(search_path) and os.path.isdir(search_path):
- fl.update([os.path.realpath(os.path.join(search_path, x))
- for x in os.listdir(search_path) if 'libnvinfer.so' in x])
- return fl
-
- possible_files = find_libs(trt_install_path)
- possible_files.update(find_libs(os.path.join(trt_install_path, 'lib')))
- possible_files.update(find_libs(os.path.join(trt_install_path, 'lib64')))
-
- def is_compatible(tensorrt_lib, cuda_ver, cudnn_ver):
- """Check the compatibility between tensorrt and cudnn/cudart libraries."""
- ldd_bin = which('ldd') or '/usr/bin/ldd'
- ldd_out = run_shell([ldd_bin, tensorrt_lib]).split(os.linesep)
- cudnn_pattern = re.compile('.*libcudnn.so\\.?(.*) =>.*$')
- cuda_pattern = re.compile('.*libcudart.so\\.?(.*) =>.*$')
- cudnn = None
- cudart = None
- for line in ldd_out:
- if 'libcudnn.so' in line:
- cudnn = cudnn_pattern.search(line)
- elif 'libcudart.so' in line:
- cudart = cuda_pattern.search(line)
- if cudnn and len(cudnn.group(1)):
- cudnn = convert_version_to_int(cudnn.group(1))
- if cudart and len(cudart.group(1)):
- cudart = convert_version_to_int(cudart.group(1))
- return (cudnn == cudnn_ver) and (cudart == cuda_ver)
-
- cuda_ver = convert_version_to_int(environ_cp['TF_CUDA_VERSION'])
- cudnn_ver = convert_version_to_int(environ_cp['TF_CUDNN_VERSION'])
- nvinfer_pattern = re.compile('.*libnvinfer.so.?(.*)$')
- highest_ver = [0, None, None]
-
- for lib_file in possible_files:
- if is_compatible(lib_file, cuda_ver, cudnn_ver):
- matches = nvinfer_pattern.search(lib_file)
- if len(matches.groups()) == 0:
- continue
- ver_str = matches.group(1)
- ver = convert_version_to_int(ver_str) if len(ver_str) else 0
- if ver > highest_ver[0]:
- highest_ver = [ver, ver_str, lib_file]
- if highest_ver[1] is not None:
- trt_install_path = os.path.dirname(highest_ver[2])
- tf_tensorrt_version = highest_ver[1]
- break
-
- # Try another alternative from ldconfig.
- ldconfig_bin = which('ldconfig') or '/sbin/ldconfig'
- ldconfig_output = run_shell([ldconfig_bin, '-p'])
- search_result = re.search(
- '.*libnvinfer.so\\.?([0-9.]*).* => (.*)', ldconfig_output)
- if search_result:
- libnvinfer_path_from_ldconfig = search_result.group(2)
- if os.path.exists(libnvinfer_path_from_ldconfig):
- if is_compatible(libnvinfer_path_from_ldconfig, cuda_ver, cudnn_ver):
- trt_install_path = os.path.dirname(libnvinfer_path_from_ldconfig)
- tf_tensorrt_version = search_result.group(1)
- break
-
- # Reset and Retry
- if possible_files:
- print('TensorRT libraries found in one the following directories',
- 'are not compatible with selected cuda and cudnn installations')
- print(trt_install_path)
- print(os.path.join(trt_install_path, 'lib'))
- print(os.path.join(trt_install_path, 'lib64'))
- if search_result:
- print(libnvinfer_path_from_ldconfig)
- else:
- print(
- 'Invalid path to TensorRT. None of the following files can be found:')
- print(trt_install_path)
- print(os.path.join(trt_install_path, 'lib'))
- print(os.path.join(trt_install_path, 'lib64'))
- if search_result:
- print(libnvinfer_path_from_ldconfig)
-
- else:
- raise UserInputError('Invalid TF_TENSORRT setting was provided %d '
- 'times in a row. Assuming to be a scripting mistake.' %
- _DEFAULT_PROMPT_ASK_ATTEMPTS)
-
- # Set TENSORRT_INSTALL_PATH and TF_TENSORRT_VERSION
- environ_cp['TENSORRT_INSTALL_PATH'] = trt_install_path
- write_action_env_to_bazelrc('TENSORRT_INSTALL_PATH', trt_install_path)
- environ_cp['TF_TENSORRT_VERSION'] = tf_tensorrt_version
- write_action_env_to_bazelrc('TF_TENSORRT_VERSION', tf_tensorrt_version)
-
-
- def set_tf_nccl_install_path(environ_cp):
- """Set NCCL_INSTALL_PATH and TF_NCCL_VERSION.
-
- Args:
- environ_cp: copy of the os.environ.
-
- Raises:
- ValueError: if this method was called under non-Linux platform.
- UserInputError: if user has provided invalid input multiple times.
- """
- if not is_linux():
- raise ValueError('Currently NCCL is only supported on Linux platforms.')
-
- ask_nccl_version = (
- 'Please specify the NCCL version you want to use. '
- '[Leave empty to default to NCCL %s]: ') % _DEFAULT_NCCL_VERSION
-
- for _ in range(_DEFAULT_PROMPT_ASK_ATTEMPTS):
- tf_nccl_version = get_from_env_or_user_or_default(
- environ_cp, 'TF_NCCL_VERSION', ask_nccl_version, _DEFAULT_NCCL_VERSION)
- tf_nccl_version = reformat_version_sequence(str(tf_nccl_version), 1)
-
- if tf_nccl_version == '1':
- break # No need to get install path, NCCL 1 is a GitHub repo.
-
- # TODO(csigg): Look with ldconfig first if we can find the library in paths
- # like /usr/lib/x86_64-linux-gnu and the header file in the corresponding
- # include directory. This is where the NCCL .deb packages install them.
- # Then ask the user if we should use that. Instead of a single
- # NCCL_INSTALL_PATH, pass separate NCCL_LIB_PATH and NCCL_HDR_PATH to
- # nccl_configure.bzl
- default_nccl_path = environ_cp.get('CUDA_TOOLKIT_PATH')
- ask_nccl_path = (r'Please specify the location where NCCL %s library is '
- 'installed. Refer to README.md for more details. [Default '
- 'is %s]:') % (tf_nccl_version, default_nccl_path)
- nccl_install_path = get_from_env_or_user_or_default(
- environ_cp, 'NCCL_INSTALL_PATH', ask_nccl_path, default_nccl_path)
-
- # Result returned from "read" will be used unexpanded. That make "~"
- # unusable. Going through one more level of expansion to handle that.
- nccl_install_path = os.path.realpath(os.path.expanduser(nccl_install_path))
- if is_windows() or is_cygwin():
- nccl_install_path = cygpath(nccl_install_path)
-
- if is_windows():
- nccl_lib_path = 'lib/x64/nccl.lib'
- elif is_linux():
- nccl_lib_path = 'lib/libnccl.so.%s' % tf_nccl_version
- elif is_macos():
- nccl_lib_path = 'lib/libnccl.%s.dylib' % tf_nccl_version
-
- nccl_lib_path = os.path.join(nccl_install_path, nccl_lib_path)
- nccl_hdr_path = os.path.join(nccl_install_path, 'include/nccl.h')
- if os.path.exists(nccl_lib_path) and os.path.exists(nccl_hdr_path):
- # Set NCCL_INSTALL_PATH
- environ_cp['NCCL_INSTALL_PATH'] = nccl_install_path
- write_action_env_to_bazelrc('NCCL_INSTALL_PATH', nccl_install_path)
- break
-
- # Reset and Retry
- print('Invalid path to NCCL %s toolkit, %s or %s not found. Please use the '
- 'O/S agnostic package of NCCL 2' % (tf_nccl_version, nccl_lib_path,
- nccl_hdr_path))
-
- environ_cp['TF_NCCL_VERSION'] = ''
- else:
- raise UserInputError('Invalid TF_NCCL setting was provided %d '
- 'times in a row. Assuming to be a scripting mistake.' %
- _DEFAULT_PROMPT_ASK_ATTEMPTS)
-
- # Set TF_NCCL_VERSION
- environ_cp['TF_NCCL_VERSION'] = tf_nccl_version
- write_action_env_to_bazelrc('TF_NCCL_VERSION', tf_nccl_version)
-
-
- def get_native_cuda_compute_capabilities(environ_cp):
- """Get native cuda compute capabilities.
-
- Args:
- environ_cp: copy of the os.environ.
- Returns:
- string of native cuda compute capabilities, separated by comma.
- """
- device_query_bin = os.path.join(
- environ_cp.get('CUDA_TOOLKIT_PATH'), 'extras/demo_suite/deviceQuery')
- if os.path.isfile(device_query_bin) and os.access(device_query_bin, os.X_OK):
- try:
- output = run_shell(device_query_bin).split('\n')
- pattern = re.compile('[0-9]*\\.[0-9]*')
- output = [pattern.search(x) for x in output if 'Capability' in x]
- output = ','.join(x.group() for x in output if x is not None)
- except subprocess.CalledProcessError:
- output = ''
- else:
- output = ''
- return output
-
-
- def set_tf_cuda_compute_capabilities(environ_cp):
- """Set TF_CUDA_COMPUTE_CAPABILITIES."""
- while True:
- native_cuda_compute_capabilities = get_native_cuda_compute_capabilities(
- environ_cp)
- if not native_cuda_compute_capabilities:
- default_cuda_compute_capabilities = _DEFAULT_CUDA_COMPUTE_CAPABILITIES
- else:
- default_cuda_compute_capabilities = native_cuda_compute_capabilities
-
- ask_cuda_compute_capabilities = (
- 'Please specify a list of comma-separated '
- 'Cuda compute capabilities you want to '
- 'build with.\nYou can find the compute '
- 'capability of your device at: '
- 'https://developer.nvidia.com/cuda-gpus.\nPlease'
- ' note that each additional compute '
- 'capability significantly increases your '
- 'build time and binary size. [Default is: %s]' %
- default_cuda_compute_capabilities)
- tf_cuda_compute_capabilities = get_from_env_or_user_or_default(
- environ_cp, 'TF_CUDA_COMPUTE_CAPABILITIES',
- ask_cuda_compute_capabilities, default_cuda_compute_capabilities)
- # Check whether all capabilities from the input is valid
- all_valid = True
- for compute_capability in tf_cuda_compute_capabilities.split(','):
- m = re.match('[0-9]+.[0-9]+', compute_capability)
- if not m:
- print('Invalid compute capability: ' % compute_capability)
- all_valid = False
- else:
- ver = int(m.group(0).split('.')[0])
- if ver < 3:
- print('Only compute capabilities 3.0 or higher are supported.')
- all_valid = False
-
- if all_valid:
- break
-
- # Reset and Retry
- environ_cp['TF_CUDA_COMPUTE_CAPABILITIES'] = ''
-
- # Set TF_CUDA_COMPUTE_CAPABILITIES
- environ_cp['TF_CUDA_COMPUTE_CAPABILITIES'] = tf_cuda_compute_capabilities
- write_action_env_to_bazelrc('TF_CUDA_COMPUTE_CAPABILITIES',
- tf_cuda_compute_capabilities)
-
-
- def set_other_cuda_vars(environ_cp):
- """Set other CUDA related variables."""
- if is_windows():
- # The following three variables are needed for MSVC toolchain configuration
- # in Bazel
- environ_cp['CUDA_PATH'] = environ_cp.get('CUDA_TOOLKIT_PATH')
- environ_cp['CUDA_COMPUTE_CAPABILITIES'] = environ_cp.get(
- 'TF_CUDA_COMPUTE_CAPABILITIES')
- environ_cp['NO_WHOLE_ARCHIVE_OPTION'] = 1
- write_action_env_to_bazelrc('CUDA_PATH', environ_cp.get('CUDA_PATH'))
- write_action_env_to_bazelrc('CUDA_COMPUTE_CAPABILITIE',
- environ_cp.get('CUDA_COMPUTE_CAPABILITIE'))
- write_action_env_to_bazelrc('NO_WHOLE_ARCHIVE_OPTION',
- environ_cp.get('NO_WHOLE_ARCHIVE_OPTION'))
- write_to_bazelrc('build --config=win-cuda')
- write_to_bazelrc('test --config=win-cuda')
- else:
- # If CUDA is enabled, always use GPU during build and test.
- if environ_cp.get('TF_CUDA_CLANG') == '1':
- write_to_bazelrc('build --config=cuda_clang')
- write_to_bazelrc('test --config=cuda_clang')
- else:
- write_to_bazelrc('build --config=cuda')
- write_to_bazelrc('test --config=cuda')
-
-
- def set_host_cxx_compiler(environ_cp):
- """Set HOST_CXX_COMPILER."""
- default_cxx_host_compiler = which('g++') or ''
-
- host_cxx_compiler = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='HOST_CXX_COMPILER',
- var_default=default_cxx_host_compiler,
- ask_for_var=('Please specify which C++ compiler should be used as the '
- 'host C++ compiler.'),
- check_success=os.path.exists,
- error_msg='Invalid C++ compiler path. %s cannot be found.',
- )
-
- write_action_env_to_bazelrc('HOST_CXX_COMPILER', host_cxx_compiler)
-
-
- def set_host_c_compiler(environ_cp):
- """Set HOST_C_COMPILER."""
- default_c_host_compiler = which('gcc') or ''
-
- host_c_compiler = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='HOST_C_COMPILER',
- var_default=default_c_host_compiler,
- ask_for_var=('Please specify which C compiler should be used as the host '
- 'C compiler.'),
- check_success=os.path.exists,
- error_msg='Invalid C compiler path. %s cannot be found.',
- )
-
- write_action_env_to_bazelrc('HOST_C_COMPILER', host_c_compiler)
-
-
- def set_computecpp_toolkit_path(environ_cp):
- """Set COMPUTECPP_TOOLKIT_PATH."""
-
- def toolkit_exists(toolkit_path):
- """Check if a computecpp toolkit path is valid."""
- if is_linux():
- sycl_rt_lib_path = 'lib/libComputeCpp.so'
- else:
- sycl_rt_lib_path = ''
-
- sycl_rt_lib_path_full = os.path.join(toolkit_path,
- sycl_rt_lib_path)
- exists = os.path.exists(sycl_rt_lib_path_full)
- if not exists:
- print('Invalid SYCL %s library path. %s cannot be found' %
- (_TF_OPENCL_VERSION, sycl_rt_lib_path_full))
- return exists
-
- computecpp_toolkit_path = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='COMPUTECPP_TOOLKIT_PATH',
- var_default=_DEFAULT_COMPUTECPP_TOOLKIT_PATH,
- ask_for_var=(
- 'Please specify the location where ComputeCpp for SYCL %s is '
- 'installed.' % _TF_OPENCL_VERSION),
- check_success=toolkit_exists,
- error_msg='Invalid SYCL compiler path. %s cannot be found.',
- suppress_default_error=True)
-
- write_action_env_to_bazelrc('COMPUTECPP_TOOLKIT_PATH',
- computecpp_toolkit_path)
-
-
- def set_trisycl_include_dir(environ_cp):
- """Set TRISYCL_INCLUDE_DIR."""
-
- ask_trisycl_include_dir = ('Please specify the location of the triSYCL '
- 'include directory. (Use --config=sycl_trisycl '
- 'when building with Bazel) '
- '[Default is %s]: '
- ) % (_DEFAULT_TRISYCL_INCLUDE_DIR)
-
- while True:
- trisycl_include_dir = get_from_env_or_user_or_default(
- environ_cp, 'TRISYCL_INCLUDE_DIR', ask_trisycl_include_dir,
- _DEFAULT_TRISYCL_INCLUDE_DIR)
- if os.path.exists(trisycl_include_dir):
- break
-
- print('Invalid triSYCL include directory, %s cannot be found'
- % (trisycl_include_dir))
-
- # Set TRISYCL_INCLUDE_DIR
- environ_cp['TRISYCL_INCLUDE_DIR'] = trisycl_include_dir
- write_action_env_to_bazelrc('TRISYCL_INCLUDE_DIR',
- trisycl_include_dir)
-
-
- def set_mpi_home(environ_cp):
- """Set MPI_HOME."""
-
- default_mpi_home = which('mpirun') or which('mpiexec') or ''
- default_mpi_home = os.path.dirname(os.path.dirname(default_mpi_home))
-
- def valid_mpi_path(mpi_home):
- exists = (os.path.exists(os.path.join(mpi_home, 'include')) and
- os.path.exists(os.path.join(mpi_home, 'lib')))
- if not exists:
- print('Invalid path to the MPI Toolkit. %s or %s cannot be found' %
- (os.path.join(mpi_home, 'include'),
- os.path.exists(os.path.join(mpi_home, 'lib'))))
- return exists
-
- _ = prompt_loop_or_load_from_env(
- environ_cp,
- var_name='MPI_HOME',
- var_default=default_mpi_home,
- ask_for_var='Please specify the MPI toolkit folder.',
- check_success=valid_mpi_path,
- error_msg='',
- suppress_default_error=True)
-
-
- def set_other_mpi_vars(environ_cp):
- """Set other MPI related variables."""
- # Link the MPI header files
- mpi_home = environ_cp.get('MPI_HOME')
- symlink_force('%s/include/mpi.h' % mpi_home, 'third_party/mpi/mpi.h')
-
- # Determine if we use OpenMPI or MVAPICH, these require different header files
- # to be included here to make bazel dependency checker happy
- if os.path.exists(os.path.join(mpi_home, 'include/mpi_portable_platform.h')):
- symlink_force(
- os.path.join(mpi_home, 'include/mpi_portable_platform.h'),
- 'third_party/mpi/mpi_portable_platform.h')
- # TODO(gunan): avoid editing files in configure
- sed_in_place('third_party/mpi/mpi.bzl', 'MPI_LIB_IS_OPENMPI=False',
- 'MPI_LIB_IS_OPENMPI=True')
- else:
- # MVAPICH / MPICH
- symlink_force(
- os.path.join(mpi_home, 'include/mpio.h'), 'third_party/mpi/mpio.h')
- symlink_force(
- os.path.join(mpi_home, 'include/mpicxx.h'), 'third_party/mpi/mpicxx.h')
- # TODO(gunan): avoid editing files in configure
- sed_in_place('third_party/mpi/mpi.bzl', 'MPI_LIB_IS_OPENMPI=True',
- 'MPI_LIB_IS_OPENMPI=False')
-
- if os.path.exists(os.path.join(mpi_home, 'lib/libmpi.so')):
- symlink_force(
- os.path.join(mpi_home, 'lib/libmpi.so'), 'third_party/mpi/libmpi.so')
- else:
- raise ValueError('Cannot find the MPI library file in %s/lib' % mpi_home)
-
-
- def set_grpc_build_flags():
- write_to_bazelrc('build --define grpc_no_ares=true')
-
-
- def set_windows_build_flags():
- if is_windows():
- # The non-monolithic build is not supported yet
- write_to_bazelrc('build --config monolithic')
- # Suppress warning messages
- write_to_bazelrc('build --copt=-w --host_copt=-w')
- # Output more verbose information when something goes wrong
- write_to_bazelrc('build --verbose_failures')
-
-
- def config_info_line(name, help_text):
- """Helper function to print formatted help text for Bazel config options."""
- print('\t--config=%-12s\t# %s' % (name, help_text))
-
-
- def main():
- parser = argparse.ArgumentParser()
- parser.add_argument("--workspace",
- type=str,
- default=_TF_WORKSPACE_ROOT,
- help="The absolute path to your active Bazel workspace.")
- args = parser.parse_args()
-
- # Make a copy of os.environ to be clear when functions and getting and setting
- # environment variables.
- environ_cp = dict(os.environ)
-
- check_bazel_version('0.10.0')
-
- reset_tf_configure_bazelrc(args.workspace)
- cleanup_makefile()
- setup_python(environ_cp)
-
- if is_windows():
- environ_cp['TF_NEED_S3'] = '0'
- environ_cp['TF_NEED_GCP'] = '0'
- environ_cp['TF_NEED_HDFS'] = '0'
- environ_cp['TF_NEED_JEMALLOC'] = '0'
- environ_cp['TF_NEED_KAFKA'] = '0'
- environ_cp['TF_NEED_OPENCL_SYCL'] = '0'
- environ_cp['TF_NEED_COMPUTECPP'] = '0'
- environ_cp['TF_NEED_OPENCL'] = '0'
- environ_cp['TF_CUDA_CLANG'] = '0'
- environ_cp['TF_NEED_TENSORRT'] = '0'
- # TODO(ibiryukov): Investigate using clang as a cpu or cuda compiler on
- # Windows.
- environ_cp['TF_DOWNLOAD_CLANG'] = '0'
-
- if is_macos():
- environ_cp['TF_NEED_JEMALLOC'] = '0'
- environ_cp['TF_NEED_TENSORRT'] = '0'
-
- set_build_var(environ_cp, 'TF_NEED_JEMALLOC', 'jemalloc as malloc',
- 'with_jemalloc', True)
- set_build_var(environ_cp, 'TF_NEED_GCP', 'Google Cloud Platform',
- 'with_gcp_support', True, 'gcp')
- set_build_var(environ_cp, 'TF_NEED_HDFS', 'Hadoop File System',
- 'with_hdfs_support', True, 'hdfs')
- set_build_var(environ_cp, 'TF_NEED_S3', 'Amazon S3 File System',
- 'with_s3_support', True, 's3')
- set_build_var(environ_cp, 'TF_NEED_KAFKA', 'Apache Kafka Platform',
- 'with_kafka_support', True, 'kafka')
- set_build_var(environ_cp, 'TF_ENABLE_XLA', 'XLA JIT', 'with_xla_support',
- False, 'xla')
- set_build_var(environ_cp, 'TF_NEED_GDR', 'GDR', 'with_gdr_support',
- False, 'gdr')
- set_build_var(environ_cp, 'TF_NEED_VERBS', 'VERBS', 'with_verbs_support',
- False, 'verbs')
-
- set_action_env_var(environ_cp, 'TF_NEED_OPENCL_SYCL', 'OpenCL SYCL', False)
- if environ_cp.get('TF_NEED_OPENCL_SYCL') == '1':
- set_host_cxx_compiler(environ_cp)
- set_host_c_compiler(environ_cp)
- set_action_env_var(environ_cp, 'TF_NEED_COMPUTECPP', 'ComputeCPP', True)
- if environ_cp.get('TF_NEED_COMPUTECPP') == '1':
- set_computecpp_toolkit_path(environ_cp)
- else:
- set_trisycl_include_dir(environ_cp)
-
- set_action_env_var(environ_cp, 'TF_NEED_CUDA', 'CUDA', False)
- if (environ_cp.get('TF_NEED_CUDA') == '1' and
- 'TF_CUDA_CONFIG_REPO' not in environ_cp):
- set_tf_cuda_version(environ_cp)
- set_tf_cudnn_version(environ_cp)
- if is_linux():
- set_tf_tensorrt_install_path(environ_cp)
- set_tf_nccl_install_path(environ_cp)
-
- set_tf_cuda_compute_capabilities(environ_cp)
- if 'LD_LIBRARY_PATH' in environ_cp and environ_cp.get(
- 'LD_LIBRARY_PATH') != '1':
- write_action_env_to_bazelrc('LD_LIBRARY_PATH',
- environ_cp.get('LD_LIBRARY_PATH'))
-
- set_tf_cuda_clang(environ_cp)
- if environ_cp.get('TF_CUDA_CLANG') == '1':
- # Ask whether we should download the clang toolchain.
- set_tf_download_clang(environ_cp)
- if environ_cp.get('TF_DOWNLOAD_CLANG') != '1':
- # Set up which clang we should use as the cuda / host compiler.
- set_clang_cuda_compiler_path(environ_cp)
- else:
- # Set up which gcc nvcc should use as the host compiler
- # No need to set this on Windows
- if not is_windows():
- set_gcc_host_compiler_path(environ_cp)
- set_other_cuda_vars(environ_cp)
- else:
- # CUDA not required. Ask whether we should download the clang toolchain and
- # use it for the CPU build.
- set_tf_download_clang(environ_cp)
- if environ_cp.get('TF_DOWNLOAD_CLANG') == '1':
- write_to_bazelrc('build --config=download_clang')
- write_to_bazelrc('test --config=download_clang')
-
- set_build_var(environ_cp, 'TF_NEED_MPI', 'MPI', 'with_mpi_support', False)
- if environ_cp.get('TF_NEED_MPI') == '1':
- set_mpi_home(environ_cp)
- set_other_mpi_vars(environ_cp)
-
- set_grpc_build_flags()
- set_cc_opt_flags(environ_cp)
- set_windows_build_flags()
-
- if workspace_has_any_android_rule():
- print('The WORKSPACE file has at least one of ["android_sdk_repository", '
- '"android_ndk_repository"] already set. Will not ask to help '
- 'configure the WORKSPACE. Please delete the existing rules to '
- 'activate the helper.\n')
- else:
- if get_var(
- environ_cp, 'TF_SET_ANDROID_WORKSPACE', 'android workspace',
- False,
- ('Would you like to interactively configure ./WORKSPACE for '
- 'Android builds?'),
- 'Searching for NDK and SDK installations.',
- 'Not configuring the WORKSPACE for Android builds.'):
- create_android_ndk_rule(environ_cp)
- create_android_sdk_rule(environ_cp)
-
- print('Preconfigured Bazel build configs. You can use any of the below by '
- 'adding "--config=<>" to your build command. See tools/bazel.rc for '
- 'more details.')
- config_info_line('mkl', 'Build with MKL support.')
- config_info_line('monolithic', 'Config for mostly static monolithic build.')
-
- if __name__ == '__main__':
- main()
-