CMake/Help/policy/CMP0021.rst
2025-01-18 09:51:44 -05:00

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CMP0021
-------
.. |REMOVED_IN_CMAKE_VERSION| replace:: 4.0
.. include:: REMOVED_PROLOGUE.txt
Fatal error on relative paths in :prop_tgt:`INCLUDE_DIRECTORIES` target
property.
CMake 2.8.10.2 and lower allowed the :prop_tgt:`INCLUDE_DIRECTORIES` target
property to contain relative paths. The base path for such relative
entries is not well defined. CMake 2.8.12 issues a ``FATAL_ERROR`` if the
:prop_tgt:`INCLUDE_DIRECTORIES` property contains a relative path.
The ``OLD`` behavior for this policy is not to warn about relative paths
in the ``INCLUDE_DIRECTORIES`` target property. The ``NEW`` behavior for this
policy is to issue a ``FATAL_ERROR`` if ``INCLUDE_DIRECTORIES`` contains a
relative path.
.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 2.8.12
.. |WARNED_OR_DID_NOT_WARN| replace:: warned
.. include:: REMOVED_EPILOGUE.txt