CFLAGS+=-O3 -Wall -fPIE -fno-strict-aliasing
CFLAGS+=-Wformat -Wformat=2 -Wconversion -Wimplicit-fallthrough
CFLAGS+=-Werror=format-security -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3
CFLAGS+=-fstack-clash-protection -fstack-protector-strong
CFLAGS+=-fstrict-flex-arrays=3 -msse4.2

LDFLAGS+=-lutil -msse4.2 -Wl,-O3,--sort-common,--as-needed,-z,relro,-z,now,--strip-all -pie
LDFLAGS+=-Wl,-z,nodlopen -Wl,-z,noexecstack,--no-copy-dt-needed-entries

PROG=crc32c
PROG_OBJS=crc32c.o

.PHONY: clean
.MAIN: $(PROG)

$(PROG): $(PROG_OBJS)
	$(CC) -o ${.TARGET} ${.ALLSRC} $(LDFLAGS)

%o: 
	$(CC) -o ${.TARGET} -c ${.IMPSRC}

clean:
	rm -f *.o $(PROG)