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+get_property
+------------
+
+Get a property.
+
+.. code-block:: cmake
+
+  get_property(<variable>
+               <GLOBAL             |
+                DIRECTORY [<dir>]  |
+                TARGET    <target> |
+                SOURCE    <source> |
+                          [DIRECTORY <dir> | TARGET_DIRECTORY <target>] |
+                INSTALL   <file>   |
+                TEST      <test>   |
+                CACHE     <entry>  |
+                VARIABLE           >
+               PROPERTY <name>
+               [SET | DEFINED | BRIEF_DOCS | FULL_DOCS])
+
+Gets one property from one object in a scope.
+
+The first argument specifies the variable in which to store the result.
+The second argument determines the scope from which to get the property.
+It must be one of the following:
+
+``GLOBAL``
+  Scope is unique and does not accept a name.
+
+``DIRECTORY``
+  Scope defaults to the current directory but another
+  directory (already processed by CMake) may be named by the
+  full or relative path ``<dir>``.
+  See also the :command:`get_directory_property` command.
+
+``TARGET``
+  Scope must name one existing target.
+  See also the :command:`get_target_property` command.
+
+``SOURCE``
+  Scope must name one source file.  By default, the source file's property
+  will be read from the current source directory's scope, but this can be
+  overridden with one of the following sub-options:
+
+  ``DIRECTORY <dir>``
+    The source file property will be read from the ``<dir>`` directory's
+    scope.  CMake must already know about that source directory, either by
+    having added it through a call to :command:`add_subdirectory` or ``<dir>``
+    being the top level source directory.  Relative paths are treated as
+    relative to the current source directory.
+
+  ``TARGET_DIRECTORY <target>``
+    The source file property will be read from the directory scope in which
+    ``<target>`` was created (``<target>`` must therefore already exist).
+
+  See also the :command:`get_source_file_property` command.
+
+``INSTALL``
+  Scope must name one installed file path.
+
+``TEST``
+  Scope must name one existing test.
+  See also the :command:`get_test_property` command.
+
+``CACHE``
+  Scope must name one cache entry.
+
+``VARIABLE``
+  Scope is unique and does not accept a name.
+
+The required ``PROPERTY`` option is immediately followed by the name of
+the property to get.  If the property is not set an empty value is
+returned, although some properties support inheriting from a parent scope
+if defined to behave that way (see :command:`define_property`).
+
+If the ``SET`` option is given the variable is set to a boolean
+value indicating whether the property has been set.  If the ``DEFINED``
+option is given the variable is set to a boolean value indicating
+whether the property has been defined such as with the
+:command:`define_property` command.
+
+If ``BRIEF_DOCS`` or ``FULL_DOCS`` is given then the variable is set to a
+string containing documentation for the requested property.  If
+documentation is requested for a property that has not been defined
+``NOTFOUND`` is returned.