libxrandr-dev 2:1.4.0-1ubuntu2 (amd64 binary) in ubuntu saucy

 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:
 <URL:http://www.X.org>
 .
 This module can be found at
 git://anongit.freedesktop.org/git/xorg/lib/libXrandr