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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
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# Copyright 2019 MongoDB Inc.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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 math
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import os
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import SCons
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def exists(env):
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"""Always enable"""
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ccache_path = env.get('CCACHE', env.WhereIs('ccache'))
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return os.path.exists(ccache_path)
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def generate(env):
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"""Add ccache support."""
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# ccache does not support response files so force scons to always
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# use the full command
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#
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# Note: This only works for Python versions >= 3.5
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env['MAXLINELENGTH'] = math.inf
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env['CCACHE'] = env.get('CCACHE', env.WhereIs('ccache'))
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env['CCCOM'] = '$CCACHE ' + env['CCCOM']
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env['CXXCOM'] = '$CCACHE ' + env['CXXCOM']
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env['SHCCCOM'] = '$CCACHE ' + env['SHCCCOM']
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env['SHCXXCOM'] = '$CCACHE ' + env['SHCXXCOM']
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