We were previously linking with -Bsymbolic-functions, but this was not
sufficient as it caused glslang virtual function calls to still be linked
to rendersystemtest copy of glslang.
- the ICD may or may not implement a dispatch table
- ICD entrypoints can be named anything including the offcial xgl name such as xglCreateDevice(). However, beware of inter
posing by dynamic OS library loaders if the offical names are used. On Linux,
-if offical names are used, the ICD library must be linked with -Bsymbolic-functions
+if offical names are used, the ICD library must be linked with -Bsymbolic