cmake PortMidi examples

performous/performous game/CMakeLists.txt :151 

find_package(PortMidi QUIET)

monadgroup/axiom editor/backend/standalone/CMakeLists.txt :17 

find_package(PortMidi)

mixxxdj/mixxx CMakeLists.txt :3378 

find_package(PortMidi REQUIRED)

darktable-org/darktable src/CMakeLists.txt :479 

find_package(PortMidi)