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get_source_file_property
------------------------
Get a property for a source file.
.. code-block:: cmake
get_source_file_property(VAR file [TARGET_DIRECTORY <target> | DIRECTORY <dir>] property)
Gets a property from a source file. The value of the property is
stored in the variable ``VAR``. If the source property is not found, the
behavior depends on whether it has been defined to be an ``INHERITED`` property
or not (see :command:`define_property`). Non-inherited properties will set
``VAR`` to "NOTFOUND", whereas inherited properties will search the relevant
parent scope as described for the :command:`define_property` command and
if still unable to find the property, ``VAR`` will be set to an empty string.
The queried source file scope can be changed by specifying one of the
additional options: ``DIRECTORY`` or ``TARGET_DIRECTORY``.
``DIRECTORY`` takes a path to a processed directory, and the source file property
will be read from that directory scope.
``TARGET_DIRECTORY`` takes the name of an existing target. The source file
property will be read from this target's directory scope.
Use :command:`set_source_files_properties` to set property values. Source
file properties usually control how the file is built. One property that is
always there is :prop_sf:`LOCATION`.
See also the more general :command:`get_property` command.
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