ifeq ($(HOSTTYPE),)
HOSTTYPE := $(shell uname -m)_$(shell uname -s)
endif

CC = cc
CFLAGS = -Wall -Wextra -Werror -fPIC $(EXTRA)

SRCDIR = src
INCDIR = inc
OBJDIR = obj
LIBDIR = lib

LIBFT_DIR = deps/Libft
LIBFT = $(LIBFT_DIR)/lib/libft.a

NAME = $(LIBDIR)/libft_malloc_$(HOSTTYPE).so
LINK = $(LIBDIR)/libft_malloc.so

SRCS = malloc.c free.c realloc.c

OBJS = $(SRCS:%.c=$(OBJDIR)/%.o)

$(NAME): $(LIBFT) $(OBJS) | $(LIBDIR)
	$(CC) -shared -o $@ $(OBJS) -L $(LIBFT_DIR)/lib -lft
	ln -sf libft_malloc_$(HOSTTYPE).so $(LINK)

all: $(NAME)

$(LIBFT):
	$(MAKE) -C $(LIBFT_DIR) NOMALLOC=1

$(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR)
	$(CC) $(CFLAGS) -I $(INCDIR) -I $(LIBFT_DIR)/inc -c $< -o $@

$(OBJDIR):
	mkdir -p $(OBJDIR)

$(LIBDIR):
	mkdir -p $(LIBDIR)

clean:
	rm -rf $(OBJDIR)
	rm -f compile_commands.json

fclean: clean
	rm -rf $(LIBDIR)
	$(MAKE) -C $(LIBFT_DIR) fclean
	$(MAKE) -C tests clean

re: fclean all

test: $(NAME)
	$(MAKE) -C tests test

compile_commands.json: $(SRCS:%=$(SRCDIR)/%)
	@echo '$(foreach src,$(SRCS),{"directory":"$(CURDIR)","command":"$(CC) $(CFLAGS) -I $(INCDIR) -I $(LIBFT_DIR)/inc -c $(SRCDIR)/$(src)","file":"$(SRCDIR)/$(src)"})' \
		| jq -s '.' > $@

.PHONY: all clean fclean re test