gnome-settings-daemon

USE флаги

• colord - Support color management using x11-misc/colord
• cups - Add support for CUPS (Common Unix Printing System)
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• elogind - Rely on sys-auth/elogind as runtime logind provider
• input_devices_wacom - INPUT_DEVICES setting to build driver for wacom input devices
• modemmanager - Enable WWAN support via net-misc/modemmanager
• networkmanager - Enable net-misc/networkmanager support
• smartcard - Enable smartcard support
• systemd - Rely on sys-apps/systemd as runtime logind provider
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
• wayland - Enable dev-libs/wayland backend