ZN29CCommandProcessorFragment_SDL8Cmd_InitEPKNS_13SCommand_InitE':
C:\Users\Chiller\Desktop\git\teeworlds/src/engine/client/backend_sdl.cpp:525: undefined reference to
SDL_GL_MakeCurrent'
build/x86/debug/objs/engine/client/backend_sdl.o: In function ZN29CCommandProcessorFragment_SDL12Cmd_ShutdownEPKNS_17SCommand_ShutdownE':
C:\Users\Chiller\Desktop\git\teeworlds/src/engine/client/backend_sdl.cpp:541: undefined reference to
SDL_GL_MakeCurrent'
build/x86/debug/objs/engine/client/backend_sdl.o: In function ZN29CCommandProcessorFragment_SDL8Cmd_SwapEPKN14CCommandBuffer13SCommand_SwapE':
C:\Users\Chiller\Desktop\git\teeworlds/src/engine/client/backend_sdl.cpp:546: undefined reference to
SDL_GL_SwapWindow'
build/x86/debug/objs/engine/client/backend_sdl.o: In function `ZN29CCommandProcessorFragment_SDL9Cmd_VSyncEPKN14CCommandBuffer14SCommand_VSyncE':