.POSIX: # Just kidding, use GNU Make

CC       := cc
CFLAGS   := -std=c99 -Wall -Wextra -Wpedantic
LDFLAGS  := -lm -lgmp -lreadline

OBJ := dc.o

ifeq ($(debug),1)
	CFLAGS += -Og -g
else
	CFLAGS += -O3 -funroll-loops -fomit-frame-pointer
endif

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

dc: $(OBJ)
	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)

dc.o: ns.c arith.c slurp.c

clean:
	$(RM) $(OBJ) dc