The Meson Build System
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58 lines
2.2 KiB
58 lines
2.2 KiB
5 years ago
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# Copyright 2015-2016 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 sys, os
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import pickle, subprocess
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# This could also be used for XCode.
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def need_regen(regeninfo, regen_timestamp):
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for i in regeninfo.depfiles:
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curfile = os.path.join(regeninfo.build_dir, i)
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curtime = os.stat(curfile).st_mtime
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if curtime > regen_timestamp:
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return True
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# The timestamp file gets automatically deleted by MSBuild during a 'Clean' build.
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# We must make sure to recreate it, even if we do not regenerate the solution.
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# Otherwise, Visual Studio will always consider the REGEN project out of date.
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print("Everything is up-to-date, regeneration of build files is not needed.")
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from ..backend.vs2010backend import Vs2010Backend
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Vs2010Backend.touch_regen_timestamp(regeninfo.build_dir)
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return False
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def regen(regeninfo, meson_command, backend):
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cmd = meson_command + ['--internal',
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'regenerate',
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regeninfo.build_dir,
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regeninfo.source_dir,
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'--backend=' + backend]
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subprocess.check_call(cmd)
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def run(args):
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private_dir = args[0]
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dumpfile = os.path.join(private_dir, 'regeninfo.dump')
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coredata = os.path.join(private_dir, 'coredata.dat')
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with open(dumpfile, 'rb') as f:
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regeninfo = pickle.load(f)
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with open(coredata, 'rb') as f:
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coredata = pickle.load(f)
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backend = coredata.get_builtin_option('backend')
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regen_timestamp = os.stat(dumpfile).st_mtime
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if need_regen(regeninfo, regen_timestamp):
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regen(regeninfo, coredata.meson_command, backend)
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sys.exit(0)
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if __name__ == '__main__':
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run(sys.argv[1:])
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