PREFIX ?= /usr
BINDIR ?= $(PREFIX)/bin
CC ?= gcc

CFLAGS ?= -O2 -Wall -Wextra -Wpedantic
LDFLAGS ?= -Wl,-z,relro,-z,now -Wl,-z,noexecstack -Wl,-z,separate-code -pie
LDLIBS ?= -lsystemd

SRC = main.c
BIN = sin

.PHONY: all clean install test

all: $(BIN)

$(BIN): $(SRC)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(SRC) $(LDLIBS)

install: $(BIN)
	install -d $(DESTDIR)$(BINDIR)
	install -m 0755 $(BIN) $(DESTDIR)$(BINDIR)/$(BIN)

clean:
	-rm -f $(BIN) test_sin