from __future__ import print_function import os from subprocess import check_call, check_output import sys from pprint import pprint import distutils import distutils.sysconfig from distutils.version import LooseVersion from . import escape_path from .env import (IS_64BIT, IS_DARWIN, IS_WINDOWS, DEBUG, REL_WITH_DEB_INFO, USE_MKLDNN, check_env_flag, check_negative_env_flag) from .cuda import USE_CUDA from .dist_check import USE_DISTRIBUTED, USE_GLOO_IBVERBS from .nccl import (USE_SYSTEM_NCCL, NCCL_INCLUDE_DIR, NCCL_ROOT_DIR, NCCL_SYSTEM_LIB, USE_NCCL) from .numpy_ import USE_NUMPY, NUMPY_INCLUDE_DIR from .rocm import USE_ROCM from .nnpack import USE_NNPACK from .qnnpack import USE_QNNPACK def _which(thefile): path = os.environ.get("PATH", os.defpath).split(os.pathsep) for d in path: fname = os.path.join(d, thefile) fnames = [fname] if IS_WINDOWS: exts = os.environ.get('PATHEXT', '').split(os.pathsep) fnames += [fname + ext for ext in exts] for name in fnames: if os.access(name, os.F_OK | os.X_OK) and not os.path.isdir(name): return name return None def _mkdir_p(d): try: os.makedirs(d) except OSError: pass # Ninja # Use ninja if it is on the PATH. Previous version of PyTorch required the # ninja python package, but we no longer use it, so we do not have to import it USE_NINJA = (not check_negative_env_flag('USE_NINJA') and _which('ninja') is not None) def get_version(cmd): "Returns cmake version." for line in check_output([cmd, '--version']).decode('utf-8').split('\n'): if 'version' in line: return LooseVersion(line.strip().split(' ')[2]) raise Exception('no version found') def get_command(): "Returns cmake command." cmake_command = 'cmake' if IS_WINDOWS: return cmake_command cmake3 = _which('cmake3') if cmake3 is not None: cmake = _which('cmake') if cmake is not None: bare_version = get_version(cmake) if (bare_version < LooseVersion("3.5.0") and get_version(cmake3) > bare_version): cmake_command = 'cmake3' return cmake_command def defines(lst, **kwargs): "Add definitions to cmake." for key, value in sorted(kwargs.items()): if value is not None: lst.append('-D{}={}'.format(key, value)) def get_build_type(): "Get the build type." if DEBUG: return "Debug" elif REL_WITH_DEB_INFO: return "RelWithDebInfo" else: return "Release" def run(version, cmake_python_library, build_python, build_test, build_dir, my_env): "Run cmake." cmake_args = [ get_command() ] if USE_NINJA: cmake_args.append('-GNinja') elif IS_WINDOWS: cmake_args.append('-GVisual Studio 15 2017') if IS_64BIT: cmake_args.append('-Ax64') cmake_args.append('-Thost=x64') cflags = os.getenv('CFLAGS', "") + " " + os.getenv('CPPFLAGS', "") ldflags = os.getenv('LDFLAGS', "") if IS_WINDOWS: defines(cmake_args, MSVC_Z7_OVERRIDE=os.getenv('MSVC_Z7_OVERRIDE', "ON")) cflags += " /EHa" base_dir = os.path.dirname(os.path.dirname(os.path.dirname( os.path.abspath(__file__)))) install_dir = os.path.join(base_dir, "torch") _mkdir_p(install_dir) _mkdir_p(build_dir) defines( cmake_args, PYTHON_EXECUTABLE=escape_path(sys.executable), PYTHON_LIBRARY=escape_path(cmake_python_library), PYTHON_INCLUDE_DIR=escape_path(distutils.sysconfig.get_python_inc()), BUILDING_WITH_TORCH_LIBS=os.getenv("BUILDING_WITH_TORCH_LIBS", "ON"), TORCH_BUILD_VERSION=version, CMAKE_BUILD_TYPE=get_build_type(), BUILD_PYTHON=build_python, BUILD_SHARED_LIBS=os.getenv("BUILD_SHARED_LIBS", "ON"), BUILD_BINARY=check_env_flag('BUILD_BINARY'), BUILD_TEST=build_test, INSTALL_TEST=build_test, BUILD_CAFFE2_OPS=not check_negative_env_flag('BUILD_CAFFE2_OPS'), ONNX_NAMESPACE=os.getenv("ONNX_NAMESPACE", "onnx_torch"), ONNX_ML=not check_negative_env_flag("ONNX_ML"), USE_CUDA=USE_CUDA, USE_DISTRIBUTED=USE_DISTRIBUTED, USE_FBGEMM=not (check_env_flag('NO_FBGEMM') or check_negative_env_flag('USE_FBGEMM')), NAMEDTENSOR_ENABLED=(check_env_flag('USE_NAMEDTENSOR') or check_negative_env_flag('NO_NAMEDTENSOR')), USE_NUMPY=USE_NUMPY, NUMPY_INCLUDE_DIR=escape_path(NUMPY_INCLUDE_DIR), USE_SYSTEM_NCCL=USE_SYSTEM_NCCL, NCCL_INCLUDE_DIR=NCCL_INCLUDE_DIR, NCCL_ROOT_DIR=NCCL_ROOT_DIR, NCCL_SYSTEM_LIB=NCCL_SYSTEM_LIB, CAFFE2_STATIC_LINK_CUDA=check_env_flag('USE_CUDA_STATIC_LINK'), USE_ROCM=USE_ROCM, USE_NNPACK=USE_NNPACK, USE_LEVELDB=check_env_flag('USE_LEVELDB'), USE_LMDB=check_env_flag('USE_LMDB'), USE_OPENCV=check_env_flag('USE_OPENCV'), USE_QNNPACK=USE_QNNPACK, USE_TENSORRT=check_env_flag('USE_TENSORRT'), USE_FFMPEG=check_env_flag('USE_FFMPEG'), USE_SYSTEM_EIGEN_INSTALL="OFF", USE_MKLDNN=USE_MKLDNN, USE_NCCL=USE_NCCL, NCCL_EXTERNAL=USE_NCCL, CMAKE_INSTALL_PREFIX=install_dir, CMAKE_C_FLAGS=cflags, CMAKE_CXX_FLAGS=cflags, CMAKE_EXE_LINKER_FLAGS=ldflags, CMAKE_SHARED_LINKER_FLAGS=ldflags, THD_SO_VERSION="1", CMAKE_PREFIX_PATH=(os.getenv('CMAKE_PREFIX_PATH') or distutils.sysconfig.get_python_lib()), BLAS=os.getenv('BLAS'), CUDA_NVCC_EXECUTABLE=escape_path(os.getenv('CUDA_NVCC_EXECUTABLE')), USE_REDIS=os.getenv('USE_REDIS'), USE_GLOG=os.getenv('USE_GLOG'), USE_GFLAGS=os.getenv('USE_GFLAGS'), USE_ASAN=check_env_flag('USE_ASAN'), WERROR=os.getenv('WERROR')) if os.getenv('_GLIBCXX_USE_CXX11_ABI'): defines(cmake_args, GLIBCXX_USE_CXX11_ABI=os.getenv('_GLIBCXX_USE_CXX11_ABI')) if os.getenv('USE_OPENMP'): defines(cmake_args, USE_OPENMP=check_env_flag('USE_OPENMP')) if os.getenv('USE_TBB'): defines(cmake_args, USE_TBB=check_env_flag('USE_TBB')) if os.getenv('MKL_SEQ'): defines(cmake_args, INTEL_MKL_SEQUENTIAL=check_env_flag('MKL_SEQ')) if os.getenv('MKL_TBB'): defines(cmake_args, INTEL_MKL_TBB=check_env_flag('MKL_TBB')) mkldnn_threading = os.getenv('MKLDNN_THREADING') if mkldnn_threading: defines(cmake_args, MKLDNN_THREADING=mkldnn_threading) parallel_backend = os.getenv('PARALLEL_BACKEND') if parallel_backend: defines(cmake_args, PARALLEL_BACKEND=parallel_backend) if USE_GLOO_IBVERBS: defines(cmake_args, USE_IBVERBS="1", USE_GLOO_IBVERBS="1") if USE_MKLDNN: defines(cmake_args, MKLDNN_ENABLE_CONCURRENT_EXEC="ON") expected_wrapper = '/usr/local/opt/ccache/libexec' if IS_DARWIN and os.path.exists(expected_wrapper): defines(cmake_args, CMAKE_C_COMPILER="{}/gcc".format(expected_wrapper), CMAKE_CXX_COMPILER="{}/g++".format(expected_wrapper)) for env_var_name in my_env: if env_var_name.startswith('gh'): # github env vars use utf-8, on windows, non-ascii code may # cause problem, so encode first try: my_env[env_var_name] = str(my_env[env_var_name].encode("utf-8")) except UnicodeDecodeError as e: shex = ':'.join('{:02x}'.format(ord(c)) for c in my_env[env_var_name]) print('Invalid ENV[{}] = {}'.format(env_var_name, shex), file=sys.stderr) print(e, file=sys.stderr) # According to the CMake manual, we should pass the arguments first, # and put the directory as the last element. Otherwise, these flags # may not be passed correctly. # Reference: # 1. https://cmake.org/cmake/help/latest/manual/cmake.1.html#synopsis # 2. https://stackoverflow.com/a/27169347 cmake_args.append(base_dir) pprint(cmake_args) check_call(cmake_args, cwd=build_dir, env=my_env)