New in version 3.1.
Deprecated since version 3.16: Use the
CMAKE_FIND_USE_PACKAGE_REGISTRY variable instead.
By default this variable is not set. If neither
CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY is set, then
find_package() will use the User Package Registry unless the
NO_CMAKE_PACKAGE_REGISTRY option is provided.
CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY is ignored if
CMAKE_FIND_USE_PACKAGE_REGISTRY is set.
In some cases, for example to locate only system wide installations, it is not desirable to use the User Package Registry when searching for packages. If the
CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY variable is
TRUE, all the
find_package() commands will skip the User Package Registry as if they were called with the
See also Disabling the Package Registry.
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