Could you provide a backtrace with a debug enabled build? It seems that one of the GL functions used is not being defined
cmake -DCMAKE_BUILD_TYPE=Debug <etcetc> should do the trick.
Could you provide a backtrace with a debug enabled build? It seems that one of the GL functions used is not being defined
cmake -DCMAKE_ BUILD_TYPE= Debug <etcetc> should do the trick.