# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
#               . name = value \          . += append to a variable   #
#   VARIABLES   .        value            . != set result of command  #
#               . name is case sensitive  . ?= set if not already set #
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #

NAME      = microshell

CC        = gcc
EXT       = c

CFLAGS    = -Wall -Wextra -Werror $(INCLUDES)

VPATH     = $(D_SRCS)

LIBS      =

INCLUDES  = -I$(D_HEADERS)

D_SRCS    = .
SRCS      = microshell.c

D_HEADERS = .
HEADERS   =

D_OBJS    = builds
OBJS      = $(SRCS:%.$(EXT)=$(D_OBJS)/%.o)

RM_OBJS   = rm -rf $(D_OBJS)


# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
#             .   target: prerequisites   .   $@ : target             #
#    RULES    .           recipe          .   $< : 1st prerequisite   #
#             .           recipe          .   $^ : all prerequisites  #
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #

all: $(NAME)

$(D_OBJS)/%.o: %.$(EXT) | $(D_OBJS)
	$(CC) $(CFLAGS) -c $< -o $@

$(D_OBJS):
	mkdir $@

$(OBJS): $(HEADERS:%=$(D_HEADERS)/%)

$(NAME): $(OBJS)
	$(CC) $(OBJS) -o $@ $(LIBS)

leaks: $(NAME)
	valgrind --leak-check=full --show-leak-kinds=all ./$(NAME)

test: $(NAME)
	./microshell /bin/ls "|" /usr/bin/grep microshell ";" /bin/echo i love my microshell

clean:
	$(RM_OBJS)

fclean: clean
	rm -f $(NAME)

re: fclean all

.PHONY : all clean fclean re