Libxrandr provides an x window system client interface to the randr extension to the x protocol.
the randr extension allows for run-time configuration of display attributes such as resolution, rotation, and reflection.
this package contains the development headers for the library found in libxrandr2. non-developers likely have little use for this package.
more information about x.org can be found at:
this module can be found at git://anongit.freedesktop.org/git/xorg/lib/libxrandr