1 2 3 4 5 6 7
if(NOT APP_RENDER_SYSTEM OR APP_RENDER_SYSTEM STREQUAL "gl") list(APPEND PLATFORM_REQUIRED_DEPS OpenGl) set(APP_RENDER_SYSTEM gl) else() message(SEND_ERROR "Currently only OpenGL rendering is supported. Please set APP_RENDER_SYSTEM to \"gl\"") endif() list(APPEND PLATFORM_REQUIRED_DEPS Sdl)