-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- CMAKE_BUILD_TYPE = Release
-- VERSION = 2.3.2, BUILD = 20131011
-- CMAKE_INSTALL_PREFIX = /usr
-- VGL_BINDIR = /usr/bin
-- VGL_DOCDIR = /usr/doc
-- 64-bit build (x86_64)
-- Linking with static libstdc++:
   /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.2/../../../../lib/libstdc++.a
-- Found OpenSSL: /usr/lib64/libssl.so;/usr/lib64/libcrypto.so (found version "1.0.1c")
-- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so
-- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so - found
-- Looking for gethostbyname
-- Looking for gethostbyname - found
-- Looking for connect
-- Looking for connect - found
-- Looking for remove
-- Looking for remove - found
-- Looking for shmat
-- Looking for shmat - found
-- Looking for IceConnectionNumber in ICE
-- Looking for IceConnectionNumber in ICE - found
-- Found X11: /usr/lib64/libX11.so
-- Found OpenGL: /usr/lib64/libGL.so
-- Enabling X Video support
-- TJPEG_INCLUDE_DIR = /usr/include
-- Performing Test TURBOJPEG_WORKS
-- Performing Test TURBOJPEG_WORKS - Success
-- TJPEG_LIBRARY = /usr/lib/libturbojpeg.so
-- Building VirtualGL server components
-- VGL_FAKELIBDIR = /usr/fakelib64
-- VGL_INCDIR = /usr/include
-- VGL_LIBDIR = /usr/lib
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
OPENGL_glu_LIBRARY (ADVANCED)
    linked by target "glreadtest" in directory /usr/ports/kris/virtualgl/work/src/VirtualGL-2.3.2/util
    linked by target "fakerut" in directory /usr/ports/kris/virtualgl/work/src/VirtualGL-2.3.2/server
    linked by target "glxinfo" in directory /usr/ports/kris/virtualgl/work/src/VirtualGL-2.3.2/glxdemos
    linked by target "glxspheres" in directory /usr/ports/kris/virtualgl/work/src/VirtualGL-2.3.2/glxdemos

-- Configuring incomplete, errors occurred!
=======> ERROR: Building '/usr/ports/kris/virtualgl/virtualgl#2.3.2-1.pkg.tar.gz' failed.
prt-get: error while install