CC := gcc
AR := ar

ifeq ($(PROD),1)
CFLAGS := -std=c99 -O2 # production flags
else
CFLAGS := -std=c99 -Wall -Wextra -Wpedantic -g -DDEBUG # debug flags
endif

SRCD := src
OBJD := obj
BIND := bin

FILES = $(shell find $(SRCD)/ -type f 2> /dev/null)
CSRCS = $(filter %.c, $(FILES))
COBJS = $(CSRCS:$(SRCD)/%.c=$(OBJD)/%.o)

CDEPS = $(COBJS:%.o=%.d)
-include $(CDEPS)

NAME := kociemba

all: standalone lib

standalone $(NAME): $(BIND)/$(NAME)
static $(NAME).a: $(BIND)/$(NAME).a

clean:
	rm -rf $(OBJD)
	rm -rf $(BIND)

$(OBJD)/%.o: $(SRCD)/%.c
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -MMD -MF $(@:%.o=%.d) -c $< -o $@

$(BIND)/$(NAME): $(COBJS)
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) $^ -o $@

$(BIND)/$(NAME).a: $(COBJS)
	@mkdir -p $(dir $@)
	$(AR) rsc $@ $^

.PHONY: all standalone lib clean $(NAME) $(NAME).a