SRCDIR = ./compiler
COMPILER_SRCS != find $(SRCDIR) -type f -name '*.c'
COMPILER_OBJS := $(COMPILER_SRCS:.c=.o)
COMPILER_DEPS := $(COMPILER_OBJS:.o=.d)

ASAN = -fsanitize=address,undefined
CFLAGS := -Wall -Wextra -Wstrict-prototypes -Wold-style-definition -Wvla -Wwrite-strings \
		 -Wnull-dereference -pipe -O0 -ggdb3 -std=c11
LDFLAGS := $(ASAN)

all: rutilec ast2dot

rutilec: ./rutilec.c $(COMPILER_OBJS)
	touch $@
	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o $@$(EXE)

ast2dot: ./tools/ast2dot.c $(COMPILER_OBJS)
	touch $@
	$(CC) $(CFLAGS) $(LDFLAGS) $< $(COMPILER_OBJS) -o $@$(EXE)

clean:
	rm -f $(COMPILER_OBJS) $(COMPILER_DEPS) ./rutilec$(EXE) ./ast2dot$(EXE)

options:
	@echo "Build options:"
	@echo "CC = $(CC)"
	@echo "CFLAGS = $(CFLAGS)"
	@echo "LDFLAGS = $(LDFLAGS)"
	@echo "ASan flags = $(ASAN)"
	@echo "SRCS = $(COMPILER_SRCS)"
	@echo "OBJS = $(COMPILER_OBJS)"

.PHONY: all clean options

-include $(COMPILER_DEPS)

%.o: %.c Makefile
	$(CC) $(CFLAGS) $(ASAN) -MMD -MP -c -o $@ $<