.POSIX: # Just kidding, use GNU Make

# OVERRIDE ME #
PREFIX := .
PROGN  := probotic

CC       := cc
CFLAGS   := -std=c99 -Wall -Wextra -Wpedantic
CPPFLAGS := -I/usr/bin/ircclient/ -Iinclude
LDFLAGS  := -lircclient

SRC.DIR := src
OBJ.DIR := $(PREFIX)/obj
INC.DIR := include

OBJ := $(addprefix $(OBJ.DIR)/,fetch.o main.o parse.o)
HDR := config.h utils.h parse.h

VPATH := $(INC.DIR) $(SRC.DIR) $(OBJ.DIR)

ifeq ($(DEBUG),1)
	CFLAGS += -Og -g3
else
	CFLAGS += -O3 -flto=auto -fomit-frame-pointer
endif

ifdef SAN
	CFLAGS += -fsanitize=$(SAN)
endif

CPPFLAGS += -DPROGN="\"$(PROGN)\""

$(OBJ.DIR)/%.o: $(SRC.DIR)/%.c
	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<

$(PREFIX)/$(PROGN): $(VPATH) $(PREFIX) $(HDR) | $(OBJ)
	$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $| $(LDFLAGS)

include/config.h: include/config.mk.h
	cp -f $< $@

$(VPATH) $(PREFIX):
	mkdir -p $@

clean:
	$(RM) $(OBJ) $(PROGN)