glXGetCurrentContext missing or dependency broken?

[Jerry Williams]

Am I missing a library?
Or is there a dependency that is broken?

# rpm -qa|grep mesa
mesa-libGLU-devel-6.5.2-5.fc7
mesa-libGL-6.5.2-5.fc7
mesa-libGLU-6.5.2-5.fc7
mesa-libGL-devel-6.5.2-5.fc7


symbol lookup error: /usr/lib/libplibssg.so.1.8.4: undefined symbol:
glXGetCurrentContext

--- Linking
/usr/lib/libglut.so: undefined reference to `glXGetCurrentContext'