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CMake/Help/prop_tgt/NO_SYSTEM_FROM_IMPORTED.rst
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Brad King 22beb07f98 Help: Clarify documentation of NO_SYSTEM_FROM_IMPORTED
This property is meant to be set on the consumers of imported targets,
not the imported targets themselves.

Fixes: #17348
2017-10-13 14:32:15 -04:00

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NO_SYSTEM_FROM_IMPORTED
-----------------------
Do not treat include directories from the interfaces of consumed
:ref:`imported targets` as ``SYSTEM``.
The contents of the :prop_tgt:`INTERFACE_INCLUDE_DIRECTORIES` target property
of imported targets are treated as ``SYSTEM`` includes by default. If this
property is enabled on a target, compilation of sources in that target will
not treat the contents of the ``INTERFACE_INCLUDE_DIRECTORIES`` of consumed
imported targets as system includes.
This property is initialized by the value of the
:variable:`CMAKE_NO_SYSTEM_FROM_IMPORTED` variable if it is set when a target
is created.