updated metricpet

Makefile

@@ -0,0 +1,20 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -O3 `sdl2-config --cflags`
+LDFLAGS = `sdl2-config --libs` -lSDL2_image
+TARGET = metricpet
+SRC = metricpet.c
+BIN_DIR = /usr/local/bin
+
+all: $(TARGET)
+
+$(TARGET): $(SRC)
+	$(CC) $(CFLAGS) $(SRC) -o $(TARGET) $(LDFLAGS)
+
+clean:
+	rm -f $(TARGET)
+
+install: $(TARGET)
+	sudo mv $(TARGET) $(BIN_DIR)
+
+.PHONY: all clean install
+