Possible arguments: (none)
Provides an easy way to depend on
      X.org components.  The components
      should be listed in USE_XORG.  The available
      components are:
| Name | Description | 
|---|---|
dmx | DMX extension library | 
fontenc | The fontenc Library | 
fontutil | Create an index of X font files in a directory | 
ice | Inter Client Exchange library for X11 | 
libfs | The FS library | 
pciaccess | Generic PCI access library | 
pixman | Low-level pixel manipulation library | 
sm | Session Management library for X11 | 
x11 | X11 library | 
xau | Authentication Protocol library for X11 | 
xaw | X Athena Widgets library | 
xaw6 | X Athena Widgets library | 
xaw7 | X Athena Widgets library | 
xbitmaps | X.Org bitmaps data | 
xcb | The X protocol C-language Binding (XCB) library | 
xcomposite | X Composite extension library | 
xcursor | X client-side cursor loading library | 
xdamage | X Damage extension library | 
xdmcp | X Display Manager Control Protocol library | 
xext | X11 Extension library | 
xfixes | X Fixes extension library | 
xfont | X font library | 
xfont2 | X font library | 
xft | Client-sided font API for X applications | 
xi | X Input extension library | 
xinerama | X11 Xinerama library | 
xkbfile | XKB file library | 
xmu | X Miscellaneous Utilities libraries | 
xmuu | X Miscellaneous Utilities libraries | 
xorg-macros | X.Org development aclocal macros | 
xorg-server | X.Org X server and related programs | 
xorgproto | xorg protocol headers | 
xpm | X Pixmap library | 
xpresent | X Present Extension library | 
xrandr | X Resize and Rotate extension library | 
xrender | X Render extension library | 
xres | X Resource usage library | 
xscrnsaver | The XScrnSaver library | 
xshmfence | Shared memory 'SyncFence' synchronization primitive | 
xt | X Toolkit library | 
xtrans | Abstract network code for X | 
xtst | X Test extension | 
xv | X Video Extension library | 
xvmc | X Video Extension Motion Compensation library | 
xxf86dga | X DGA Extension | 
xxf86vm | X Vidmode Extension | 
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