CC ?= gcc
CFLAGS ?= -std=c99 -Wall -Werror
OBJ = wakeup.o
BIN = wakeup
PREFIX ?= /usr

prog: $(OBJ)
	$(CC) $(CFLAGS) $(OBJ) -o $(BIN)

%.o: %.c
	$(CC) $(CFLAGS) -c $<

install: prog
	mkdir -p ${PREFIX}/bin
	install -m 755 -o root -g root -s ${BIN} ${PREFIX}/bin

format:
	clang-format -i *.c

clean:
	rm *.o
	rm $(BIN)

.PHONY: install format clean