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<PackageName>_ROOT
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------------------
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.. versionadded:: 3.12
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Calls to :command:`find_package(<PackageName>)` will search in prefixes
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specified by the ``<PackageName>_ROOT`` CMake variable, where
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``<PackageName>`` is the (case-preserved) name given to the
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:command:`find_package` call and ``_ROOT`` is literal.
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For example, ``find_package(Foo)`` will search prefixes specified in the
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``Foo_ROOT`` CMake variable (if set). See policy :policy:`CMP0074`.
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This variable may hold a single prefix or a
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:ref:`semicolon-separated list <CMake Language Lists>` of multiple prefixes.
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See also the :envvar:`<PackageName>_ROOT` environment variable.
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