mirror of https://github.com/ArduPilot/ardupilot
60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
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# Copyright (C) 2016 Intel Corporation. All rights reserved.
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#
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# This file is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Module that changes Waf to keep persistent information across clean operations
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in for performance improvement.
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"""
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from waflib import Build, Task
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Build.SAVED_ATTRS.append('ap_persistent_task_sigs')
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Build.SAVED_ATTRS.append('ap_persistent_imp_sigs')
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Build.SAVED_ATTRS.append('ap_persistent_node_deps')
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_original_signature = Task.Task.signature
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_original_sig_implicit_deps = Task.Task.sig_implicit_deps
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if hasattr(_original_sig_implicit_deps, '__func__'):
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_original_sig_implicit_deps = _original_sig_implicit_deps.__func__
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def _signature(self):
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s = _original_signature(self)
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real_fn = self.sig_implicit_deps.__func__
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if not self.scan or _original_sig_implicit_deps != real_fn:
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return s
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bld = self.generator.bld
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bld.ap_persistent_imp_sigs[self.uid()] = bld.imp_sigs[self.uid()]
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bld.ap_persistent_node_deps[self.uid()] = bld.node_deps[self.uid()]
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return s
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Task.Task.signature = _signature
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class CleanContext(Build.CleanContext):
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def clean(self):
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if not self.options.clean_all_sigs:
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saved_task_sigs = dict(self.ap_persistent_task_sigs)
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saved_imp_sigs = dict(self.ap_persistent_imp_sigs)
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saved_node_deps = dict(self.ap_persistent_node_deps)
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super(CleanContext, self).clean()
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if not self.options.clean_all_sigs:
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self.task_sigs.update(saved_task_sigs)
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self.ap_persistent_task_sigs.update(saved_task_sigs)
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self.imp_sigs.update(saved_imp_sigs)
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self.ap_persistent_imp_sigs.update(saved_imp_sigs)
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self.node_deps.update(saved_node_deps)
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self.ap_persistent_node_deps.update(saved_node_deps)
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