CC := gcc CFLAGS := -g all: dma-example dma-gpio dma-example: dma-example.c $(CC) $(CFLAGS) -o dma-example dma-example.c dma-gpio: dma-gpio.c $(CC) $(CFLAGS) -O2 -std=gnu99 -o dma-gpio dma-gpio.c -lrt clean: rm -rf dma-example dma-gpio .PHONY: clean