diff a/Horde3D/Source/Horde3DEngine/utOpenGL.cpp b/Horde3D/Source/Horde3DEngine/utOpenGL.cpp 34a35,36 > namespace glExt > { 180a183 > }; // namespace glExt diff a/Horde3D/Source/Horde3DEngine/utOpenGL.h b/Horde3D/Source/Horde3DEngine/utOpenGL.h 381a382,386 > }; // extern "C" > > namespace glExt > { > 900a906,909 > }; // namespace glExt > > extern "C" > { 916a926,929 > } // extern "C" > > namespace glExt > { 1136c1149,1150 < } // extern "C" --- > }; // namespace glExt > using namespace glExt;