# # Helper module to build macOS version of various source ports # Copyright (C) 2020-2022 Alexey Lysiuk # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # import hashlib import os import re import shutil import subprocess import typing import urllib.request from distutils.version import StrictVersion from pathlib import Path from .utility import CommandLineOptions class BuildState: def __init__(self): self_path = Path(__file__) self.root_path = self_path.parent.parent self.deps_path = self.root_path / 'deps' self.prefix_path = self.root_path / 'prefix' self.bin_path = self.prefix_path / 'bin' self.include_path = self.prefix_path / 'include' self.lib_path = self.prefix_path / 'lib' self.patch_path = self.root_path / 'patch' self.source_path = self.root_path / 'source' self.source = Path() self.external_source = True self.build_path = None self.native_build_path = None self.output_path = None self.install_path = None self.platform = None self.xcode = False self.verbose = False self.jobs = 1 self.environment = os.environ.copy() self.options = CommandLineOptions() def architecture(self) -> str: return self.platform.architecture if self.platform else '' def host(self) -> str: return self.platform.host if self.platform else '' def os_version(self) -> StrictVersion: return self.platform.os_version if self.platform else None def sdk_path(self) -> Path: return self.platform.sdk_path if self.platform else None def sdk_version(self) -> typing.Union[StrictVersion, None]: if sdk_path := self.sdk_path(): if match := re.search(r'/MacOSX(\d+.\d+).sdk', str(sdk_path), re.IGNORECASE): return StrictVersion(match[1]) return None def c_compiler(self) -> Path: return self.platform.c_compiler if self.platform else None def cxx_compiler(self) -> Path: return self.platform.cxx_compiler if self.platform else None def checkout_git(self, url: str, branch: str = None): if self.source.exists(): return args = ('git', 'clone', '--recurse-submodules', url, self.source) subprocess.run(args, cwd=self.root_path, check=True) if branch: args = ('git', 'checkout', '-b', branch, 'origin/' + branch) subprocess.run(args, cwd=self.source, check=True) def download_source(self, url: str, checksum: str, patches: typing.Union[tuple, list, str] = None): if self.external_source: return os.makedirs(self.source, exist_ok=True) data, filepath = self._read_source_package(url) self._verify_checksum(checksum, data, filepath) first_path_component, extract_path = self._unpack_source_package(filepath) if not patches: pass elif isinstance(patches, str): self._apply_source_patch(extract_path, patches) elif isinstance(patches, (tuple, list)): for patch in patches: self._apply_source_patch(extract_path, patch) else: assert False # Adjust source and build paths according to extracted source code self.source = extract_path self.build_path = self.build_path / first_path_component def _read_source_package(self, url: str) -> typing.Tuple[bytes, Path]: filename = url.rsplit(os.sep, 1)[1] filepath = self.source / filename if filepath.exists(): # Read existing source package with open(filepath, 'rb') as f: data = f.read() else: # Download package with source code print(f'Downloading {filename}') response = urllib.request.urlopen(url) try: with open(filepath, 'wb') as f: data = response.read() f.write(data) except IOError: os.unlink(filepath) raise return data, filepath @staticmethod def _verify_checksum(checksum: str, data: bytes, filepath: Path) -> None: file_hasher = hashlib.sha256() file_hasher.update(data) file_checksum = file_hasher.hexdigest() if file_checksum != checksum: filepath.unlink() raise Exception(f'Checksum of {filepath} does not match, expected: {checksum}, actual: {file_checksum}') def _unpack_source_package(self, filepath: Path) -> typing.Tuple[str, Path]: file_paths_str = subprocess.check_output(['tar', '-tf', filepath]).decode("utf-8") file_paths = file_paths_str.split('\n') first_path_component = None for path in file_paths: if os.sep in path: first_path_component = path[:path.find(os.sep)] break if not first_path_component: raise Exception(f'Failed to figure out source code path for {filepath}') extract_path = self.source / first_path_component if not extract_path.exists(): # Extract source code package try: subprocess.check_call(['tar', '-xf', filepath], cwd=self.source) except (IOError, subprocess.CalledProcessError): shutil.rmtree(extract_path, ignore_errors=True) raise return first_path_component, extract_path def _apply_source_patch(self, extract_path: Path, patch: str): patch_path = self.patch_path / (patch + '.diff') assert patch_path.exists() # Check if patch is already applied test_arg = '--dry-run' args = ['patch', test_arg, '--strip=1', '--input=' + str(patch_path)] if subprocess.call(args, cwd=extract_path) == 0: # Patch wasn't applied yet, do it now args.remove(test_arg) subprocess.check_call(args, cwd=extract_path) def run_pkg_config(self, *args) -> str: os.makedirs(self.build_path, exist_ok=True) args = (self.bin_path / 'pkg-config',) + args result = subprocess.check_output(args, cwd=self.build_path) return result.decode('utf-8').rstrip('\n') def has_source_file(self, path: typing.Union[str, Path]): return (self.source / path).exists() def update_environment(self, name: str, value: str): env = self.environment env[name] = env[name] + ' ' + value if name in env else value def set_sdk(self, var_name: str): sdk_path = self.sdk_path() if sdk_path: self.update_environment(var_name, f'-isysroot {sdk_path}') def set_os_version(self, var_name: str): os_version = self.os_version() if os_version: self.update_environment(var_name, f'-mmacosx-version-min={os_version}')