cmake _GLFW_HAS_GLXGETPROCADDRESSARB examples

slicol/Games101-Homework-Win Assignment8/CGL/deps/glfw/CMakeLists.txt :397 

check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB)

openglsuperbible/sb7code extern/glfw-3.0.4/CMakeLists.txt :278 

check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB)

NauEngine/NauEnginePublic engine/3rdparty_libs/ozz/extern/glfw/CMakeLists.txt :42 

set_source_files_properties(${specific_file_list} PROPERTIES COMPILE_DEFINITIONS _GLFW_HAS_GLXGETPROCADDRESSARB=)