POWEROFF_PATH ?= $(shell which poweroff)
COUNTDOWN_SECS ?= 10

CFLAGS := -std=c99 -pedantic -Wall -Wextra \
	  -DPOWEROFF_PATH="\"$(POWEROFF_PATH)\"" \
	  -DCOUNTDOWN_SECS=$(COUNTDOWN_SECS)

poweroff_guard: poweroff_guard.c
	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -o poweroff_guard poweroff_guard.c

install: poweroff_guard
	install poweroff_guard /usr/local/sbin/
	mkdir -p /usr/local/share/man/man8
	install poweroff_guard.8 /usr/local/share/man/man8/

clean:
	rm -f poweroff_guard

all: poweroff_guard