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