Undefined Reference error using OpenGL in CLion
问题 So, I am using freeglut to try to do some openGL stuff, but I keep getting errors saying that references are undefined: "C:\Program Files (x86)\JetBrains\CLion 2016.2.1\bin\cmake\bin\cmake.exe" --build C:\Users\Nick\.CLion2016.2\system\cmake\generated\cs455opengl-9b23e7f0\9b23e7f0\Debug --target all -- -j 4 Scanning dependencies of target cs455openGL [ 50%] Building CXX object CMakeFiles/cs455openGL.dir/main.cpp.obj [100%] Linking CXX executable cs455openGL.exe CMakeFiles\cs455openGL.dir