{
global:
  rtc*;
  _ZN?rtc*;
  _ZN??rtc*;
  _ZN???rtc*;
  _ZN????rtc*;
  _ZN??rtc*;
  _ZN???rtc*;
  _ZN????rtc*;
  _ZN?????rtc*;
  _ZN???rtc*;
  _ZN????rtc*;
  _ZN?????rtc*;
  _ZN??????rtc*;
  _ZN6embree13TaskScheduler*;
  _ZN6embree?13TaskScheduler*;
local: 
  *;
};