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Diffstat (limited to 'configure.py')
| -rw-r--r-- | configure.py | 950 |
1 files changed, 950 insertions, 0 deletions
diff --git a/configure.py b/configure.py new file mode 100644 index 0000000000..fac00d1b74 --- /dev/null +++ b/configure.py @@ -0,0 +1,950 @@ +# 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 errno +import os +import platform +import re +import site +import subprocess +import sys + +_TF_BAZELRC = '.tf_configure.bazelrc' +_DEFAULT_CUDA_VERSION = '8.0' +_DEFAULT_CUDNN_VERSION = '6' +_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) +_TF_OPENCL_VERSION = '1.2' +_DEFAULT_COMPUTECPP_TOOLKIT_PATH = '/usr/local/computecpp' + + +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 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 remove_line_with(filename, token): + """Remove lines that contain token from file. + + Args: + filename: string for filename. + token: string token to check if to remove a line from file or not. + """ + with open(filename, 'r') as f: + filedata = f.read() + + with open(filename, 'w') as f: + for line in filedata.strip().split('\n'): + if token not in line: + f.write(line + '\n') + + +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): + return subprocess.check_output(cmd, shell=True).decode('UTF-8').strip() + + +def cygpath(path): + """Convert path from posix to windows.""" + return run_shell('cygpath -m "%s"' % path) + + +def get_python_path(environ_cp): + """Get the python site package paths.""" + python_paths = [] + if environ_cp.get('PYTHONPATH'): + python_paths = environ_cp.get('PYTHONPATH').split(':') + try: + library_paths = site.getsitepackages() + except AttributeError: + from distutils.sysconfig import get_python_lib # pylint: disable=g-import-not-at-top + library_paths = [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 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)) or (os.path.isdir(python_bin_path)): + 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'] = '' + + # 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) + if environ_cp.get('USE_DEFAULT_PYTHON_LIB_PATH') == '1': + environ_cp['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' + % 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 = sys.version_info[0] + # Convert python path to Windows style before writing into bazel.rc + if is_windows(): + python_bin_path = cygpath(python_bin_path) + 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 --define PYTHON_BIN_PATH="%s"' % python_bin_path) + write_to_bazelrc('build --define PYTHON_LIB_PATH="%s"' % 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%s_path=\"%s"' % (python_major_version, + python_bin_path)) + write_to_bazelrc('test --force_python=py%s' % python_major_version) + write_to_bazelrc('test --host_force_python=py%s' % python_major_version) + write_to_bazelrc('test --define PYTHON_BIN_PATH="%s"' % python_bin_path) + write_to_bazelrc('test --define PYTHON_LIB_PATH="%s"' % python_lib_path) + write_to_bazelrc('run --define PYTHON_BIN_PATH="%s"' % python_bin_path) + write_to_bazelrc('run --define PYTHON_LIB_PATH="%s"' % python_lib_path) + environ_cp['PYTHON_BIN_PATH'] = python_bin_path + + # Write tools/python_bin_path.sh + with open('tools/python_bin_path.sh', 'w') as f: + f.write('export PYTHON_BIN_PATH="%s"' % python_bin_path) + + +def reset_tf_configure_bazelrc(): + """Reset file that contains customized config settings.""" + open(_TF_BAZELRC, 'w').close() + + home = os.path.expanduser('~') + if not os.path.exists('.bazelrc'): + if os.path.exists(os.path.join(home, '.bazelrc')): + with open('.bazelrc', 'a') as f: + f.write('import %s/.bazelrc\n' % home) + else: + open('.bazelrc', 'w').close() + + remove_line_with('.bazelrc', 'tf_configure') + with open('.bazelrc', 'a') as f: + f.write('import %workspace%/.tf_configure.bazelrc\n') + + +def run_gen_git_source(environ_cp): + """Run the gen_git_source to create links. + + The links are for bazel to track dependencies for git hash propagation. + + Args: + environ_cp: copy of the os.environ. + """ + cmd = '%s tensorflow/tools/git/gen_git_source.py --configure %s' % ( + environ_cp.get('PYTHON_BIN_PATH'), os.getcwd()) + os.system(cmd) + + +def cleanup_makefile(): + """Delete any leftover BUILD files from the Makefile build. + + These files could interfere with Bazel parsing. + """ + makefile_download_dir = '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: optionanl string for reply when feature is enabled. + no_reply: optional string for reply when feature is disabled. + + Returns: + boolean value of the variable. + """ + 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) + 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): + """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. + """ + + 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) + + +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: optionanl 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 check_bazel_version(min_version): + """Check installed bezel version is at least min_version. + + Args: + min_version: string for minimum bazel version. + """ + try: + curr_version = run_shell('bazel version') + except subprocess.CalledProcessError: + print('Cannot find bazel. Please install bazel.') + sys.exit(0) + + for line in curr_version.split('\n'): + if 'Build label: ' in line: + curr_version = line.split('Build label: ')[1] + break + + min_version_segments = min_version.split('.') + curr_version_segments = curr_version.split('.') + + # Check if current bazel version can be detected properly. + for seg in curr_version_segments: + if not seg.isdigit(): + print('WARNING: current bazel installation is not a release version.') + print('Make sure you are running at least bazel %s' % min_version) + return + + min_version_str = ''.join(['%03d' % int(seg) for seg in min_version_segments]) + curr_version_str = ''.join( + ['%03d' % int(seg) for seg in curr_version_segments]) + if int(curr_version_str) < int(min_version_str): + print('Please upgrade your bazel installation to version %s or higher to ' + 'build TensorFlow!' % min_version) + sys.exit(0) + + +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' + 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 --cxxopt=%s --copt=%s' % (opt, opt)) + + +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 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) + if not var: + var = var_default + return var + + +def set_clang_cuda_compiler_path(environ_cp): + """Set CLANG_CUDA_COMPILER_PATH.""" + default_clang_path = run_shell('which clang || true') + 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 set_gcc_host_compiler_path(environ_cp): + """Set GCC_HOST_COMPILER_PATH.""" + default_gcc_host_compiler_path = run_shell('which gcc || true') + 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 = run_shell('readlink %s' % cuda_bin_symlink) + + ask_gcc_path = ( + 'Please specify which gcc should be used by nvcc as the ' + 'host compiler. [Default is %s]: ') % default_gcc_host_compiler_path + while True: + gcc_host_compiler_path = get_from_env_or_user_or_default( + environ_cp, 'GCC_HOST_COMPILER_PATH', ask_gcc_path, + default_gcc_host_compiler_path) + + if os.path.exists(gcc_host_compiler_path): + break + + # Reset and retry + print('Invalid gcc path. %s cannot be found' % gcc_host_compiler_path) + environ_cp['GCC_HOST_COMPILER_PATH'] = '' + + # Set GCC_HOST_COMPILER_PATH + environ_cp['GCC_HOST_COMPILER_PATH'] = gcc_host_compiler_path + write_action_env_to_bazelrc('GCC_HOST_COMPILER_PATH', gcc_host_compiler_path) + + +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 + + while True: + # 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) + + # Find out where the CUDA toolkit is installed + default_cuda_path = _DEFAULT_CUDA_PATH + if is_windows(): + 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'] = '' + + # 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_cunn_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 + + while True: + tf_cudnn_version = get_from_env_or_user_or_default( + environ_cp, 'TF_CUDNN_VERSION', ask_cudnn_version, + _DEFAULT_CUDNN_VERSION) + + 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(): + 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(): + if subprocess.call(['which', 'ldconfig']): + ldconfig_bin = '/sbin/ldconfig' + else: + ldconfig_bin = 'ldconfig' + cudnn_path_from_ldconfig = run_shell( + r'%s -p | sed -n "s/.*libcudnn.so .* => \(.*\)/\\1/p"' % ldconfig_bin) + 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'] = '' + + # 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 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') + cmd = (r'"%s" | grep "Capability" | grep -o "[0-9]*\.[0-9]*" | sed ' + '":a;{N;s/\\n/,/};ba"') % device_query_bin + try: + output = run_shell(cmd) + except subprocess.CalledProcessError: + 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(','): + if not re.match('[0-9]+.[0-9]+', compute_capability): + print('Invalid compute capability: ' % compute_capability) + 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 = run_shell('which g++ || true') + ask_cxx_host_compiler = ( + 'Please specify which C++ compiler should be used as' + ' the host C++ compiler. [Default is %s]: ') % default_cxx_host_compiler + + while True: + host_cxx_compiler = get_from_env_or_user_or_default( + environ_cp, 'HOST_CXX_COMPILER', ask_cxx_host_compiler, + default_cxx_host_compiler) + if os.path.exists(host_cxx_compiler): + break + + # Reset and retry + print('Invalid C++ compiler path. %s cannot be found' % host_cxx_compiler) + environ_cp['HOST_CXX_COMPILER'] = '' + + # Set HOST_CXX_COMPILER + environ_cp['HOST_CXX_COMPILER'] = host_cxx_compiler + 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 = run_shell('which gcc || true') + ask_c_host_compiler = ( + 'Please specify which C compiler should be used as the' + ' host C compiler. [Default is %s]: ') % default_c_host_compiler + + while True: + host_c_compiler = get_from_env_or_user_or_default( + environ_cp, 'HOST_C_COMPILER', ask_c_host_compiler, + default_c_host_compiler) + if os.path.exists(host_c_compiler): + break + + # Reset and retry + print('Invalid C compiler path. %s cannot be found' % host_c_compiler) + environ_cp['HOST_C_COMPILER'] = '' + + # Set HOST_C_COMPILER + environ_cp['HOST_C_COMPILER'] = host_c_compiler + write_action_env_to_bazelrc('HOST_C_COMPILER', host_c_compiler) + + +def set_computecpp_toolkit_path(environ_cp): + """Set COMPUTECPP_TOOLKIT_PATH.""" + ask_computecpp_toolkit_path = ('Please specify the location where ComputeCpp ' + 'for SYCL %s is installed. [Default is %s]: ' + ) % (_TF_OPENCL_VERSION, + _DEFAULT_COMPUTECPP_TOOLKIT_PATH) + + while True: + computecpp_toolkit_path = get_from_env_or_user_or_default( + environ_cp, 'COMPUTECPP_TOOLKIT_PATH', ask_computecpp_toolkit_path, + _DEFAULT_COMPUTECPP_TOOLKIT_PATH) + if is_linux(): + sycl_rt_lib_path = 'lib/libComputeCpp.so' + else: + sycl_rt_lib_path = '' + + sycl_rt_lib_path_full = os.path.join(computecpp_toolkit_path, + sycl_rt_lib_path) + if os.path.exists(sycl_rt_lib_path_full): + break + + print('Invalid SYCL %s library path. %s cannot be found' % + (_TF_OPENCL_VERSION, sycl_rt_lib_path_full)) + environ_cp['COMPUTECPP_TOOLKIT_PATH'] = '' + + # Set COMPUTECPP_TOOLKIT_PATH + environ_cp['COMPUTECPP_TOOLKIT_PATH'] = computecpp_toolkit_path + write_action_env_to_bazelrc('COMPUTECPP_TOOLKIT_PATH', + computecpp_toolkit_path) + + +def set_mpi_home(environ_cp): + """Set MPI_HOME.""" + cmd = ('dirname $(dirname $(which mpirun)) || dirname $(dirname $(which ' + 'mpiexec)) || true') + default_mpi_home = run_shell(cmd) + ask_mpi_home = ('Please specify the MPI toolkit folder. [Default is %s]: ' + ) % default_mpi_home + while True: + mpi_home = get_from_env_or_user_or_default(environ_cp, 'MPI_HOME', + ask_mpi_home, default_mpi_home) + + if os.path.exists(os.path.join(mpi_home, 'include')) and os.path.exists( + os.path.join(mpi_home, 'lib')): + break + + 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')))) + environ_cp['MPI_HOME'] = '' + + # Set MPI_HOME + environ_cp['MPI_HOME'] = str(mpi_home) + + +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_mkl(): + write_to_bazelrc('build:mkl --define with_mkl_support=true') + write_to_bazelrc('build:mkl --define using_mkl=true') + write_to_bazelrc('build:mkl -c opt') + write_to_bazelrc('build:mkl --copt="-DEIGEN_USE_VML"') + print( + 'Add "--config=mkl" to your bazel command to build with MKL ' + 'support.\nPlease note that MKL on MacOS or windows is still not ' + 'supported.\nIf you would like to use a local MKL instead of ' + 'downloading, please set the environment variable \"TF_MKL_ROOT\" every ' + 'time before build.') + + +def main(): + # 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('0.4.5') + + reset_tf_configure_bazelrc() + cleanup_makefile() + setup_python(environ_cp) + run_gen_git_source(environ_cp) + + if is_windows(): + environ_cp['TF_NEED_GCP'] = '0' + environ_cp['TF_NEED_HDFS'] = '0' + environ_cp['TF_NEED_JEMALLOC'] = '0' + environ_cp['TF_NEED_OPENCL'] = '0' + environ_cp['TF_CUDA_CLANG'] = '0' + + if is_macos(): + environ_cp['TF_NEED_JEMALLOC'] = '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', False) + set_build_var(environ_cp, 'TF_NEED_HDFS', 'Hadoop File System', + 'with_hdfs_support', False) + set_build_var(environ_cp, 'TF_ENABLE_XLA', 'XLA JIT', 'with_xla_support', + False) + set_build_var(environ_cp, 'TF_NEED_VERBS', 'VERBS', 'with_verbs_support', + False) + + set_action_env_var(environ_cp, 'TF_NEED_OPENCL', 'OpenCL', False) + if environ_cp.get('TF_NEED_OPENCL') == '1': + set_host_cxx_compiler(environ_cp) + set_host_c_compiler(environ_cp) + set_computecpp_toolkit_path(environ_cp) + + set_action_env_var(environ_cp, 'TF_NEED_CUDA', 'CUDA', False) + if environ_cp.get('TF_NEED_CUDA') == '1': + set_tf_cuda_version(environ_cp) + set_tf_cunn_version(environ_cp) + set_tf_cuda_compute_capabilities(environ_cp) + + set_tf_cuda_clang(environ_cp) + if environ_cp.get('TF_CUDA_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) + + 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_cc_opt_flags(environ_cp) + set_mkl() + + +if __name__ == '__main__': + main() |