Add support for X11

Packages describing “X” as local USE flag

Package “X” Flag Description
app-admin/gkrellm Build both the X11 gui (gkrellm) and the server (gkrellmd). Disabling this flag builds the server only
app-admin/pass Use x11-misc/xclip to copy passwords to the clipboard.
media-video/vlc Enable support for e.g. fullscreen mode via X and the X C-language binding. It does not build a graphical interface
app-admin/lastpass-cli Use x11-misc/xclip or x11-misc/xsel to copy passwords to the clipboard.
net-print/hplip Enables scanner GUI dependencies with USE="scanner" where media-gfx/xsane is preferred over media-gfx/sane-frontends
app-misc/neofetch Enable support for detecting DEs, WMs, screen resolutions, and showing images from an X terminal
app-misc/screenfetch Use the media-gfx/scrot package to take screenshots
dev-lisp/cmucl Build CLX, CLM, or Hemlock
x11-libs/gdk-pixbuf Build and install the legacy gdk_pixbuf_xlib-2.0 library
media-sound/pulseaudio Build the X11 publish module to export PulseAudio information through X11 protocol for clients to make use. Don't enable this flag if you want to use a system wide instance. If unsure, enable this flag.
sys-apps/hwloc use the X Window System
x11-libs/pango Build and install the legacy pangoxft library
media-libs/imlib2 Use the X window system
kde-apps/kio-extras Enable support for XCursor thumbnails via x11-libs/libX11
media-gfx/fbida Install the Motif based image viewer "ida"
x11-apps/igt-gpu-tools Enable intel-gpu-overlay xlib/cairo backend
media-libs/gst-plugins-base Enable ximagesink and xvimagesink plugins; build GLX platform support if USE=opengl is enabled; build x11 windowing system support if USE=egl is enabled
media-radio/ax25-tools Enable some X based configuration tools.
dev-libs/m17n-lib Build the Graphical User Interface API and utilities
kde-misc/kdeconnect Enable remote input mousepad plugin using x11-libs/libfakekey
media-gfx/graphviz Builds lefty front-end, builds plugin -Txlib, and enables support for x11 in various other modules (needs cairo)
dev-qt/qtgui Build the XCB platform plugin and enable X11 integration
gui-libs/wlroots Enable support for X11 applications (XWayland)
net-irc/quassel Build the Qt5 GUI client for quassel. If this USE flag is disabled, the GUI is not built, and cannot be used. You might want to disable this on the server, but you need it enabled on the client.
net-im/qtox Adds support for X11
sys-apps/duc Use X11 for the GUI instead of OpenGL. This is the recommended option
sys-apps/firejail Enable X11 sandboxing
app-editors/vim Link console vim against X11 libraries to enable title and clipboard features in xterm
x11-drivers/nvidia-drivers Install the driver, OpenGL libraries, XvMC libraries, and VDPAU libraries
gui-wm/sway Enable support for X11 applications (XWayland)

All packages providing a “X” USE flag (497)