IGNORE SEARCH PREFIX

: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|.