The Meson Build System
http://mesonbuild.com/
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119 lines
4.1 KiB
119 lines
4.1 KiB
# Copyright 2019 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import os |
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import argparse |
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import multiprocessing |
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import subprocess |
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from pathlib import Path |
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import typing as T |
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from ..mesonlib import Popen_safe, split_args |
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class ExternalProject: |
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def __init__(self, options: argparse.Namespace): |
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self.name = options.name |
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self.src_dir = options.srcdir |
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self.build_dir = options.builddir |
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self.install_dir = options.installdir |
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self.log_dir = options.logdir |
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self.verbose = options.verbose |
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self.stampfile = options.stampfile |
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self.depfile = options.depfile |
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self.make = split_args(options.make) |
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def write_depfile(self) -> None: |
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with open(self.depfile, 'w', encoding='utf-8') as f: |
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f.write(f'{self.stampfile}: \\\n') |
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for dirpath, dirnames, filenames in os.walk(self.src_dir): |
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dirnames[:] = [d for d in dirnames if not d.startswith('.')] |
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for fname in filenames: |
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if fname.startswith('.'): |
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continue |
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path = Path(dirpath, fname) |
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f.write(' {} \\\n'.format(path.as_posix().replace(' ', '\\ '))) |
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def write_stampfile(self) -> None: |
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with open(self.stampfile, 'w', encoding='utf-8'): |
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pass |
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def gnu_make(self) -> bool: |
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p, o, e = Popen_safe(self.make + ['--version']) |
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if p.returncode == 0 and 'GNU Make' in o: |
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return True |
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return False |
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def build(self) -> int: |
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is_make = self.make[0] == 'make' |
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make_cmd = self.make.copy() |
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if is_make and self.gnu_make(): |
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make_cmd.append(f'-j{multiprocessing.cpu_count()}') |
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rc = self._run('build', make_cmd) |
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if rc != 0: |
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return rc |
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install_cmd = self.make.copy() |
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install_env = {} |
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if is_make: |
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install_cmd.append(f'DESTDIR={self.install_dir}') |
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else: |
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install_env['DESTDIR'] = self.install_dir |
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install_cmd.append('install') |
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rc = self._run('install', install_cmd, install_env) |
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if rc != 0: |
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return rc |
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self.write_depfile() |
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self.write_stampfile() |
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return 0 |
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def _run(self, step: str, command: T.List[str], env: T.Optional[T.Dict[str, str]] = None) -> int: |
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m = 'Running command ' + str(command) + ' in directory ' + str(self.build_dir) + '\n' |
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log_filename = Path(self.log_dir, f'{self.name}-{step}.log') |
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output = None |
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if not self.verbose: |
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output = open(log_filename, 'w', encoding='utf-8') |
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output.write(m + '\n') |
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output.flush() |
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else: |
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print(m) |
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run_env = os.environ.copy() |
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if env: |
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run_env.update(env) |
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p, o, e = Popen_safe(command, stderr=subprocess.STDOUT, stdout=output, |
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cwd=self.build_dir, |
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env=run_env) |
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if p.returncode != 0: |
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m = f'{step} step returned error code {p.returncode}.' |
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if not self.verbose: |
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m += '\nSee logs: ' + str(log_filename) |
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print(m) |
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return p.returncode |
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def run(args: T.List[str]) -> int: |
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parser = argparse.ArgumentParser() |
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parser.add_argument('--name') |
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parser.add_argument('--srcdir') |
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parser.add_argument('--builddir') |
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parser.add_argument('--installdir') |
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parser.add_argument('--logdir') |
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parser.add_argument('--make') |
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parser.add_argument('--verbose', action='store_true') |
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parser.add_argument('stampfile') |
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parser.add_argument('depfile') |
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options = parser.parse_args(args) |
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ep = ExternalProject(options) |
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return ep.build()
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