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CMP0019
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-------
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Do not re-expand variables in include and link information.
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CMake 2.8.10 and lower re-evaluated values given to the
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include_directories, link_directories, and link_libraries commands to
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expand any leftover variable references at the end of the
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configuration step. This was for strict compatibility with VERY early
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CMake versions because all variable references are now normally
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evaluated during CMake language processing. CMake 2.8.11 and higher
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prefer to skip the extra evaluation.
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The ``OLD`` behavior for this policy is to re-evaluate the values for
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strict compatibility. The ``NEW`` behavior for this policy is to leave
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the values untouched.
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This policy was introduced in CMake version 2.8.11. CMake version
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|release| warns when the policy is not set and uses ``OLD`` behavior. Use
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the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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.. include:: DEPRECATED.txt
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