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# Copyright 2019 The Meson development team
# 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.
from __future__ import annotations
import os
import argparse
import multiprocessing
import subprocess
from pathlib import Path
import typing as T
from ..mesonlib import Popen_safe, split_args
class ExternalProject:
def __init__(self, options: argparse.Namespace):
self.name = options.name
self.src_dir = options.srcdir
self.build_dir = options.builddir
self.install_dir = options.installdir
self.log_dir = options.logdir
self.verbose = options.verbose
self.stampfile = options.stampfile
self.depfile = options.depfile
self.make = split_args(options.make)
def write_depfile(self) -> None:
with open(self.depfile, 'w', encoding='utf-8') as f:
f.write(f'{self.stampfile}: \\\n')
for dirpath, dirnames, filenames in os.walk(self.src_dir):
dirnames[:] = [d for d in dirnames if not d.startswith('.')]
for fname in filenames:
if fname.startswith('.'):
continue
path = Path(dirpath, fname)
f.write(' {} \\\n'.format(path.as_posix().replace(' ', '\\ ')))
def write_stampfile(self) -> None:
with open(self.stampfile, 'w', encoding='utf-8'):
pass
def supports_jobs_flag(self) -> bool:
p, o, e = Popen_safe(self.make + ['--version'])
if p.returncode == 0 and ('GNU Make' in o or 'waf' in o):
return True
return False
def build(self) -> int:
make_cmd = self.make.copy()
if self.supports_jobs_flag():
make_cmd.append(f'-j{multiprocessing.cpu_count()}')
rc = self._run('build', make_cmd)
if rc != 0:
return rc
install_cmd = self.make.copy()
install_env = {}
install_env['DESTDIR'] = self.install_dir
install_cmd.append('install')
rc = self._run('install', install_cmd, install_env)
if rc != 0:
return rc
self.write_depfile()
self.write_stampfile()
return 0
def _run(self, step: str, command: T.List[str], env: T.Optional[T.Dict[str, str]] = None) -> int:
m = 'Running command ' + str(command) + ' in directory ' + str(self.build_dir) + '\n'
log_filename = Path(self.log_dir, f'{self.name}-{step}.log')
output = None
if not self.verbose:
output = open(log_filename, 'w', encoding='utf-8')
output.write(m + '\n')
output.flush()
else:
print(m)
run_env = os.environ.copy()
if env:
run_env.update(env)
p, o, e = Popen_safe(command, stderr=subprocess.STDOUT, stdout=output,
cwd=self.build_dir,
env=run_env)
if p.returncode != 0:
m = f'{step} step returned error code {p.returncode}.'
if not self.verbose:
m += '\nSee logs: ' + str(log_filename)
print(m)
return p.returncode
def run(args: T.List[str]) -> int:
parser = argparse.ArgumentParser()
parser.add_argument('--name')
parser.add_argument('--srcdir')
parser.add_argument('--builddir')
parser.add_argument('--installdir')
parser.add_argument('--logdir')
parser.add_argument('--make')
parser.add_argument('--verbose', action='store_true')
parser.add_argument('stampfile')
parser.add_argument('depfile')
options = parser.parse_args(args)
ep = ExternalProject(options)
return ep.build()
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