| # |
| # Copyright (C) 2020 The Android Open Source Project |
| # |
| # 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. |
| # |
| # pylint: disable=global-statement |
| """Util functions for windows toolchain.""" |
| |
| from typing import Optional |
| from pathlib import Path |
| |
| _WIN_SDK_PATH: Optional[Path] = None |
| _WIN_SDK_VER: Optional[str] = None |
| |
| |
| def _create_symlink(src_file: Path, new_name: str) -> None: |
| if src_file.name == new_name: |
| return |
| |
| symlink_path = src_file.parent / new_name |
| if symlink_path.is_symlink(): |
| symlink_path.unlink() |
| symlink_path.symlink_to(src_file.name) |
| |
| |
| def _prepare() -> None: |
| assert _WIN_SDK_PATH is not None |
| assert _WIN_SDK_VER is not None |
| |
| header_dir = _WIN_SDK_PATH / 'Include' / _WIN_SDK_VER / 'um' |
| for _file in header_dir.iterdir(): |
| _create_symlink(_file, _file.name.lower()) |
| |
| lib_path = _WIN_SDK_PATH / 'Lib' / _WIN_SDK_VER / 'um' / 'x64' |
| for _file in lib_path.iterdir(): |
| _create_symlink(_file, _file.name.lower()) |
| |
| include_shared = _WIN_SDK_PATH / 'Include' / _WIN_SDK_VER / 'shared' |
| _create_symlink(include_shared / 'driverspecs.h', 'DriverSpecs.h') |
| _create_symlink(include_shared / 'specstrings.h', 'SpecStrings.h') |
| _create_symlink(include_shared / 'WTypesbase.h', 'wtypesbase.h') |
| |
| |
| def set_path(path: Path) -> None: |
| """Sets the path to a windows toolchain.""" |
| global _WIN_SDK_PATH, _WIN_SDK_VER |
| _WIN_SDK_PATH = path |
| _WIN_SDK_VER = next((path / 'Include').glob('*')).name |
| _prepare() |
| |
| |
| def get_path() -> Optional[Path]: |
| """Gets the path to windows toolchain.""" |
| return _WIN_SDK_PATH |
| |
| |
| def is_enabled() -> bool: |
| """Whether windows toolchain is enabled.""" |
| return _WIN_SDK_PATH is not None |