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CMP0038
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-------
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Targets may not link directly to themselves.
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CMake 2.8.12 and lower allowed a build target to link to itself directly with
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a :command:`target_link_libraries` call. This is an indicator of a bug in
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user code.
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The OLD behavior for this policy is to ignore targets which list themselves
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in their own link implementation. The NEW behavior for this policy is to
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report an error if a target attempts to link to itself.
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This policy was introduced in CMake version 3.0. CMake version
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|release| warns when the policy is not set and uses OLD behavior. Use
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the cmake_policy command to set it to OLD or NEW explicitly.
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.. include:: DEPRECATED.txt
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