mquery ENB_BACKUP "Enable Backup Support?" y "-DWITH_BACKUP=ON" "-DWITH_BACKUP=OFF"
mquery INST_UDEV_RULES "Install udev rules for Gammu?${PROBLEM_COLOR} If using systemd run with no${DEFAULT_COLOR}" n "-DINSTALL_UDEV_RULES=ON" "-DINSTALL_UDEV_RULES=OFF"
