message: Use ln -fs instead of cp
  This works around a codesign bug in macOS where cp overwrites the bits of the target executable
  but doesn't fix up the codesign metadata so the executable can't be launched.
diff: @@ -103,7 +103,7 @@ format:
  js: js/meshopt_decoder.js js/meshopt_decoder.module.js js/meshopt_encoder.js js/meshopt_encoder.module.js js/meshopt_simplifier.js js/meshopt_simplifier.module.js
  gltfpack: $(BUILD)/gltfpack
  - cp $^ $@
  + ln -fs $^ $@
  $(BUILD)/gltfpack: $(GLTFPACK_OBJECTS) $(LIBRARY)
  $(CXX) $^ $(LDFLAGS) -o $@
  