Makefile ft_printf

Makefile

# **************************************************************************** #
#                                                                              #
#                                                         :::      ::::::::    #
#    Makefile                                           :+:      :+:    :+:    #
#                                                     +:+ +:+         +:+      #
#    By: tbayri <tbayri@student.42.fr>              +#+  +:+       +#+         #
#                                                 +#+#+#+#+#+   +#+            #
#    Created: 2017/03/21 14:13:56 by tbayri            #+#    #+#              #
#    Updated: 2017/03/21 14:50:00 by tbayri           ###   ########.fr        #
#                                                                              #
# **************************************************************************** #

CC = gcc
AR = ar rc
CFLAGS = -Wall -Werror -Wextra

NAME = libftprintf.a
# line below produces "./libft/libft.a". Files separated by spaces (not commas!)
# info here: https://www.gnu.org/software/make/manual/html_node/File-Name-Functions.html
LIBFT = $(addprefix $(LIBFTFOLDER), libft.a)

SRCFOLDER = ./src/
LIBFTFOLDER = ./libft/

SRC = $(addprefix $(SRCFOLDER), ft_printf.c)
# replaces ".c" by ".o" in "$(SRC)" list
OBJ = $(SRC:.c=.o)

INCLUDES = -I ./includes

all: $(NAME)

#adds ".o" to an already compiled lib
$(NAME): $(OBJ) $(LIBFT)
	libtool -static -o $@ $^

#recompiles with changes in ".o"
%.o:%.c
	$(CC) -c -o $@ $^ $(CFLAGS) $(INCLUDES)

clean:
	rm -f $(OBJ)

fclean: clean
	rm -f $(NAME)

re: clean fclean all

# used to specify rules, not filenames
# info: http://stackoverflow.com/questions/2145590/what-is-the-purpose-of-phony-in-a-makefile
.PHONY: all clean fclean re