CXX = g++ CXXFLAGS = -Wall -O2 `pkg-config --cflags opencv4` LIBS = `pkg-config --libs opencv4` SRC = $(wildcard *.cpp) OBJ = $(SRC:.cpp=.o) TARGET = main all: $(TARGET) $(TARGET): $(OBJ) $(CXX) $(OBJ) -o $@ $(LIBS) %.o: %.cpp $(CXX) $(CXXFLAGS) -c $< -o $@ clean: rm -f $(OBJ) $(TARGET)