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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.

This policy was introduced in CMake version 3.0.  CMake version
|release| warns when the policy is not set and uses ``OLD`` behavior.  Use
the :command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.

.. include:: DEPRECATED.txt