File: CMP0014.rst

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CMP0014
-------

.. |REMOVED_IN_CMAKE_VERSION| replace:: 4.0
.. include:: include/REMOVED_PROLOGUE.rst

Input directories must have ``CMakeLists.txt``.

CMake versions before 2.8 silently ignored missing ``CMakeLists.txt``
files in directories referenced by :command:`add_subdirectory` or  :command:`subdirs`,
treating them as if present but empty.  In CMake 2.8.0 and above this
:command:`cmake_policy` determines whether or not the case is an error.
The ``OLD`` behavior for this policy is to silently ignore the problem.
The ``NEW`` behavior for this policy is to report an error.

.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 2.8.0
.. |WARNED_OR_DID_NOT_WARN| replace:: warned
.. include:: include/REMOVED_EPILOGUE.rst