:ref:`Semicolon-separated list <CMake Language Lists>` of search *prefixes* | |
to be ignored by the :command:`find_program`, :command:`find_library`, | |
:command:`find_file`, and :command:`find_path` commands. | |
The prefixes are also ignored by the *Config mode* of the | |
:command:`find_package` command (*Module mode* is unaffected). | |
To ignore specific directories instead, see |CMAKE_IGNORE_NONPREFIX_VAR|. |