+ifeq ($(COMPILER), clang)
+ LDFLAGS += -Qunused-arguments
+endif
+
+CXXFLAGS += $(shell pkg-config --cflags opencv4 | sed -e 's/-I/-isystem/g')
+LDLIBS += $(shell pkg-config --libs opencv4)
+
+LINK.o = $(LINK.cpp)
+opencv_trail_effect:
+
+opencv_trail_effect.o: $(wildcard *.hpp)