CC = avr-gcc
OBJCOPY = avr-objcopy

CFLAGS += -mmcu=attiny85 -O2 -Wall

TARGET = cl.hex

SRC = $(wildcard *.c)
OBJ = $(SRC:.c=.o)

all: $(TARGET)

$(TARGET:.hex=.elf): $(OBJ)
	$(CC) $(CFLAGS) -o $@ $^

%.hex: %.elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@

clean:
	rm -f $(TARGET) $(TARGET:.hex=.elf) $(OBJ)

.PHONY: all clean