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Specify which registry views must be queried. This option is only meaningful
on ``Windows`` platform and will be ignored on other ones. When not
specified, |FIND_XXX_REGISTRY_VIEW_DEFAULT| view is used when :policy:`CMP0134`
policy is ``NEW``. Refer to :policy:`CMP0134` policy for default view when
policy is ``OLD`` or undefined.
``64``
Query the 64bit registry. On ``32bit Windows``, returns always the string
``/REGISTRY-NOTFOUND``.
``32``
Query the 32bit registry.
``64_32``
Query both views (``64`` and ``32``) and generate a path for each.
``32_64``
Query both views (``32`` and ``64``) and generate a path for each.
``HOST``
Query the registry matching the architecture of the host: ``64`` on ``64bit
Windows`` and ``32`` on ``32bit Windows``.
``TARGET``
Query the registry matching the architecture specified by
:variable:`CMAKE_SIZEOF_VOID_P` variable. If not defined, fallback to
``HOST`` view.
``BOTH``
Query both views (``32`` and ``64``). The order depends of the following
rules: If :variable:`CMAKE_SIZEOF_VOID_P` variable is defined. Use the
following view depending of the content of this variable:
* ``8``: ``64_32``
* ``4``: ``32_64``
If :variable:`CMAKE_SIZEOF_VOID_P` variable is not defined, rely on
architecture of the host:
* ``64bit``: ``64_32``
* ``32bit``: ``32``
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