| """Select already provisioned Windows build tools without unrelated PATH entries. |
| |
| This is an input-selection contract, not a sandbox or a hashed tool closure. |
| The selected tools still depend on their installed support files and Windows. |
| """ |
|
|
| import json |
| import os |
| from pathlib import Path |
|
|
|
|
| def build_environment(path, target, selected_tools): |
| if path.stat().st_size > 65536: |
| raise ValueError("Windows build input document exceeds limits") |
| inputs = json.loads(path.read_text(encoding="utf-8")) |
| expected = { |
| "cc": "cl.exe", |
| "cxx": "cl.exe", |
| "link": "link.exe", |
| "lib": "lib.exe", |
| "dumpbin": "dumpbin.exe", |
| "assembler": "ml64.exe" if target.startswith("x86_64-") else "armasm64.exe", |
| "rc": "rc.exe", |
| "mt": "mt.exe", |
| "cmake": "cmake.exe", |
| "bootstrap_make": "nmake.exe", |
| "make": "make.exe", |
| "shell": "bash.exe", |
| "cygpath": "cygpath.exe", |
| "automake": "automake-1.18", |
| } |
| if ( |
| target not in ("x86_64-pc-windows-msvc", "aarch64-pc-windows-msvc") |
| or inputs.get("schemaVersion") != 1 |
| or inputs.get("target") != target |
| or set(inputs.get("tools", {})) != {*expected, "pkg_config", "python"} |
| ): |
| raise ValueError("Windows build inputs do not match the target and tool set") |
| tools = {} |
| for name, value in inputs["tools"].items(): |
| tool = Path(value) |
| if ( |
| not tool.is_absolute() |
| or not tool.is_file() |
| or ";" in str(tool) |
| or (name in expected and tool.name.lower() != expected[name]) |
| ): |
| raise ValueError(f"Invalid Windows build tool: {name}") |
| tools[name] = tool |
| for name, tool in selected_tools.items(): |
| if not tools[name].samefile(tool): |
| raise ValueError(f"Windows build input disagrees with --{name}") |
| |
| |
| directories = list(dict.fromkeys(tools[name].parent for name in expected)) |
| directories += [tools[name].parent for name in ("pkg_config", "python")] |
| directories = list(dict.fromkeys(directories)) |
| for name, filename in expected.items(): |
| found = next( |
| (p / filename for p in directories if (p / filename).is_file()), None |
| ) |
| if found is None or not found.samefile(tools[name]): |
| raise ValueError(f"Windows build tool is shadowed: {name}") |
| system = Path(inputs["systemRoot"]) |
| command = system / "System32/cmd.exe" |
| if not system.is_absolute() or not command.is_file() or ";" in str(system): |
| raise ValueError( |
| "Windows build inputs require a valid system command directory" |
| ) |
| directories.append(command.parent) |
| environment = { |
| "PATH": os.pathsep.join(map(str, directories)), |
| "SystemRoot": str(system), |
| "SYSTEMROOT": str(system), |
| "WINDIR": str(system), |
| "COMSPEC": str(command), |
| } |
| for name in ("INCLUDE", "LIB"): |
| values = inputs.get(name) |
| if not isinstance(values, list) or not 1 <= len(values) <= 64: |
| raise ValueError( |
| f"Windows build inputs require explicit {name} directories" |
| ) |
| for value in values: |
| directory = Path(value) |
| if not directory.is_absolute() or not directory.is_dir() or ";" in value: |
| raise ValueError(f"Invalid Windows {name} directory") |
| environment[name] = os.pathsep.join(values) |
| return environment, inputs |
|
|
