CFLAGS = -flto -Wall -Wextra -Werror -Wl,-z,now
CFLAGS_RELEASE = ${CFLAGS} -O3 -s -D_FORTIFY_SOURCE=2
CFLAGS_DEBUG = ${CFLAGS} -O0 -g -fsanitize=undefined
CFLAGS_STATIC = ${CFLAGS_RELEASE} -static-pie
LIBS = -lcrypt
CC = cc

PREFIX ?= /usr/local
BINDIR = ${PREFIX}/bin
MANDIR = ${PREFIX}/share/man

all: rdo

rdo: rdo.c
	${CC} ${CFLAGS_RELEASE} rdo.c -o rdo ${LIBS}

static: rdo.c
	${CC} ${CFLAGS_STATIC} rdo.c -o rdo ${LIBS}

debug: rdo.c
	${CC} ${CFLAGS_DEBUG} rdo.c -o rdo ${LIBS}

install: all
	mkdir -p ${DESTDIR}${BINDIR}
	cp rdo ${DESTDIR}${BINDIR}/rdo
	chmod 4755 ${DESTDIR}${BINDIR}/rdo
	mkdir -p ${DESTDIR}${MANDIR}/man1
	cp rdo.1 ${DESTDIR}${MANDIR}/man1/rdo.1
	chmod 644 ${DESTDIR}${MANDIR}/man1/rdo.1
	mkdir -p ${DESTDIR}${MANDIR}/man5
	cp rdo.conf.5 ${DESTDIR}${MANDIR}/man5/rdo.conf.5
	chmod 644 ${DESTDIR}${MANDIR}/man5/rdo.conf.5
	mkdir -p ${DESTDIR}/etc
	@if [ -f ${DESTDIR}/etc/rdo.conf ]; then \
		echo "Skipping existing configuration file: ${DESTDIR}/etc/rdo.conf"; \
	else \
		cp rdo_sample.conf ${DESTDIR}/etc/rdo.conf; \
		chmod 644 ${DESTDIR}/etc/rdo.conf; \
	fi


uninstall:
	rm -f ${DESTDIR}${BINDIR}/rdo
	rm -f ${DESTDIR}${MANDIR}/man1/rdo.1
	rm -f ${DESTDIR}${MANDIR}/man5/rdo.conf.5

clean:
	rm rdo

bench-clean:
	docker rmi -f rdo-benchmark

bench-build: bench-clean
	docker buildx build -t rdo-benchmark -f benchmark/Dockerfile .

bench-run:
	docker run --rm -t rdo-benchmark