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CMP0074
-------
.. versionadded:: 3.12
:command:`find_package` uses ``<PackageName>_ROOT`` variables.
In CMake 3.12 and above the :command:`find_package(<PackageName>)` command now
searches prefixes specified by the :variable:`<PackageName>_ROOT` CMake
variable and the :envvar:`<PackageName>_ROOT` environment variable.
Package roots are maintained as a stack so nested calls to all ``find_*``
commands inside find modules and config packages also search the roots as
prefixes. This policy provides compatibility with projects that have not been
updated to avoid using ``<PackageName>_ROOT`` variables for other purposes.
The ``OLD`` behavior for this policy is to ignore ``<PackageName>_ROOT``
variables. The ``NEW`` behavior for this policy is to use
``<PackageName>_ROOT`` variables.
.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 3.12
.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
.. include:: STANDARD_ADVICE.txt
.. include:: DEPRECATED.txt
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