cmake HAVE_OPENAL examples

aidanmcb1/Citra src/audio_core/CMakeLists.txt :61 

target_compile_definitions(audio_core PUBLIC HAVE_OPENAL)

hlrs-vis/covise src/OpenCOVER/vrml97/vrml/CMakeLists.txt :37 

ADD_DEFINITIONS(-DHAVE_OPENAL)