FLAGS=-Wall -O5 -Werror
FLAGS+=-mmcu=attiny85
FLAGS+=-D__AVR_ATtiny85__=1
# FLAGS+=-DF_CPU=120000UL
# FLAGS+=-DF_CPU=960000UL
FLAGS+=-DF_CPU=800000UL
FLAGS+=-I inc/int/
FLAGS+=-I/usr/lib/gcc/avr/6.3.0/plugin/include/
FLAGS+=-I/usr/avr/include

program: all
	avrdude -V -B100 -p t85 -c avrisp2 -P usb -U flash:w:main.hex

all:
	avr-gcc $(FLAGS) -o main.elf main.c inc/int/dcf77.c
	avr-objcopy -j .text -j .data -O ihex main.elf main.hex