set(_rpi_root_dir ${_rpi_install_prefix}) set(_rpi_module_paths ${_rpi_install_prefix}) set(_rpi_at @) set(_rpi_module_location_template ${_rpi_install_prefix}/${_rpi_at}module${_rpi_at}/${_rpi_at}module${_rpi_at}Config.cmake) unset(_rpi_at)