| # SPDX-License-Identifier: Apache-2.0 |
| # Copyright 2015-2016 The Meson development team |
| |
| 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| # Otherwise, Visual Studio will always consider the REGEN project out of date.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:])) |