mate-screensaver

USE флаги

• 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 - Enable session tracking via sys-auth/elogind
• kernel_linux - KERNEL setting for system using the Linux kernel
• libnotify - Enable desktop notification support
• opengl - Add support for OpenGL (3D graphics)
• pam - Add support for PAM (Pluggable Authentication Modules) - DANGEROUS to arbitrarily flip
• systemd - Enable use of systemd-specific libraries and features like socket activation or session tracking
• X - Add support for X11