EXEC = grayvideo_flat
CPP = g++
CFLAGS = -std=c++11
LDFLAGS = -lopencv_core -lopencv_imgcodecs -lopencv_videoio

all: $(EXEC)

$(EXEC):$(EXEC).cpp
        $(CPP) $(CFLAGS) -o $@ $< $(LDFLAGS)
clean:
        rm -f $(EXEC)