95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
import os
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import platform
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import shutil
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from glob import glob
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from typing import Dict, Optional
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from setuptools import distutils # type: ignore[import]
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from .setup_helpers.cmake import CMake, USE_NINJA
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from .setup_helpers.env import check_negative_env_flag, IS_64BIT, IS_WINDOWS
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def _overlay_windows_vcvars(env: Dict[str, str]) -> Dict[str, str]:
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vc_arch = "x64" if IS_64BIT else "x86"
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if platform.machine() == "ARM64":
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vc_arch = "x64_arm64"
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# First Win11 Windows on Arm build version that supports x64 emulation
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# is 10.0.22000.
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win11_1st_version = (10, 0, 22000)
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current_win_version = tuple(
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int(version_part) for version_part in platform.version().split(".")
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)
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if current_win_version < win11_1st_version:
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vc_arch = "x86_arm64"
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print(
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"Warning: 32-bit toolchain will be used, but 64-bit linker "
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"is recommended to avoid out-of-memory linker error!"
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)
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print(
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"Warning: Please consider upgrading to Win11, where x64 "
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"emulation is enabled!"
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)
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vc_env: Dict[str, str] = distutils._msvccompiler._get_vc_env(vc_arch)
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# Keys in `_get_vc_env` are always lowercase.
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# We turn them into uppercase before overlaying vcvars
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# because OS environ keys are always uppercase on Windows.
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# https://stackoverflow.com/a/7797329
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vc_env = {k.upper(): v for k, v in vc_env.items()}
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for k, v in env.items():
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uk = k.upper()
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if uk not in vc_env:
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vc_env[uk] = v
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return vc_env
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def _create_build_env() -> Dict[str, str]:
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# XXX - our cmake file sometimes looks at the system environment
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# and not cmake flags!
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# you should NEVER add something to this list. It is bad practice to
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# have cmake read the environment
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my_env = os.environ.copy()
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if (
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"CUDA_HOME" in my_env
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): # Keep CUDA_HOME. This env variable is still used in other part.
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my_env["CUDA_BIN_PATH"] = my_env["CUDA_HOME"]
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elif IS_WINDOWS: # we should eventually make this as part of FindCUDA.
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cuda_win = glob("C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v*.*")
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if len(cuda_win) > 0:
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my_env["CUDA_BIN_PATH"] = cuda_win[0]
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if IS_WINDOWS and USE_NINJA:
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# When using Ninja under Windows, the gcc toolchain will be chosen as
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# default. But it should be set to MSVC as the user's first choice.
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my_env = _overlay_windows_vcvars(my_env)
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my_env.setdefault("CC", "cl")
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my_env.setdefault("CXX", "cl")
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return my_env
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def build_caffe2(
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version: Optional[str],
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cmake_python_library: Optional[str],
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build_python: bool,
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rerun_cmake: bool,
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cmake_only: bool,
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cmake: CMake,
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) -> None:
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my_env = _create_build_env()
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build_test = not check_negative_env_flag("BUILD_TEST")
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cmake.generate(
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version, cmake_python_library, build_python, build_test, my_env, rerun_cmake
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)
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if cmake_only:
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return
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cmake.build(my_env)
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if build_python:
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caffe2_proto_dir = os.path.join(cmake.build_dir, "caffe2", "proto")
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for proto_file in glob(os.path.join(caffe2_proto_dir, "*.py")):
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if proto_file != os.path.join(caffe2_proto_dir, "__init__.py"):
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shutil.copy(proto_file, os.path.join("caffe2", "proto"))
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