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# Copyright 2015-2016 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 sys, os
import pickle, subprocess
import typing as T
from ..coredata import CoreData
from ..backend.backends import RegenInfo
from ..mesonlib import OptionKey
# This could also be used for XCode.
def need_regen(regeninfo: RegenInfo, regen_timestamp: float) -> bool:
for i in regeninfo.depfiles:
curfile = os.path.join(regeninfo.build_dir, i)
curtime = os.stat(curfile).st_mtime
if curtime > regen_timestamp:
return True
# The timestamp file gets automatically deleted by MSBuild during a 'Clean' build.
# We must make sure to recreate it, even if we do not regenerate the solution.
# Otherwise, Visual Studio will always consider the REGEN project out of date.
print("Everything is up-to-date, regeneration of build files is not needed.")
from ..backend.vs2010backend import Vs2010Backend
Vs2010Backend.touch_regen_timestamp(regeninfo.build_dir)
return False
def regen(regeninfo: RegenInfo, meson_command: T.List[str], backend: str) -> None:
cmd = meson_command + ['--internal',
'regenerate',
regeninfo.build_dir,
regeninfo.source_dir,
'--backend=' + backend]
subprocess.check_call(cmd)
def run(args: T.List[str]) -> int:
private_dir = args[0]
dumpfile = os.path.join(private_dir, 'regeninfo.dump')
coredata_file = os.path.join(private_dir, 'coredata.dat')
with open(dumpfile, 'rb') as f:
regeninfo = pickle.load(f)
assert isinstance(regeninfo, RegenInfo)
with open(coredata_file, 'rb') as f:
coredata = pickle.load(f)
assert isinstance(coredata, CoreData)
backend = coredata.get_option(OptionKey('backend'))
assert isinstance(backend, str)
regen_timestamp = os.stat(dumpfile).st_mtime
if need_regen(regeninfo, regen_timestamp):
regen(regeninfo, coredata.meson_command, backend)
return 0
if __name__ == '__main__':
sys.exit(run(sys.argv[1:]))
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