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CMP0038
-------
Targets may not link directly to themselves.
CMake 2.8.12 and lower allowed a build target to link to itself directly with
a :command:`target_link_libraries` call. This is an indicator of a bug in
user code.
The ``OLD`` behavior for this policy is to ignore targets which list themselves
in their own link implementation. The ``NEW`` behavior for this policy is to
report an error if a target attempts to link to itself.
.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.0
.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
.. include:: STANDARD_ADVICE.txt
.. include:: DEPRECATED.txt
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