Makefile

[詳解]

# **************************************************************************** #
#                                                                              #
#                                                         :::      ::::::::    #
#    Makefile                                           :+:      :+:    :+:    #
#                                                     +:+ +:+         +:+      #
#    By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+         #
#                                                 +#+#+#+#+#+   +#+            #
#    Created: 2025/03/15 19:38:29 by kamitsui          #+#    #+#              #
#    Updated: 2025/04/28 13:51:53 by kamitsui         ###   ########.fr        #
#                                                                              #
# **************************************************************************** #
 
# @file ex00/Makefile
# @brief This File is a Makefile for building Fixed class in ex00 directory.
 
# Directories
OBJ_DIR = objs
DEP_DIR = .deps
 
# Source files
SRCS = main.cpp Fixed.cpp
 
# Object files and dependency files
OBJS = $(addprefix $(OBJ_DIR)/, $(SRCS:.cpp=.o))
DEPS = $(addprefix $(DEP_DIR)/, $(SRCS:.cpp=.d))
 
# Build target
NAME = a.out
 
# Compiler
CXX = c++
CXXFLAGS = -Wall -Wextra -Werror -std=c++98
CF_DEP = -MMD -MP -MF $(@:$(OBJ_DIR)/%.o=$(DEP_DIR)/%.d)
 
# Rules for building object files
$(OBJ_DIR)/%.o: %.cpp
    @mkdir -p $(OBJ_DIR)
    @mkdir -p $(DEP_DIR)
    $(CXX) $(CXXFLAGS) $(CF_DEP) -c $< -o $@
 
# Rules for building dependency files
$(DEP_DIR)/%.d: %.c
    @mkdir -p $(DEP_DIR)
 
# Default target
all: $(NAME)
.PHONY: all
 
# Build Target
$(NAME): $(OBJS)
    $(CXX) $(CXXFLAGS) $(OBJS) -o $(NAME)
    $(call ASCII_ART,${NAME})
 
# Rule for removing object & dependency files
clean:
    rm -rf $(OBJ_DIR) $(DEP_DIR)
.PHONY: clean
 
# Rule for removing Target & others
fclean: clean
    rm -f $(NAME)
.PHONY: fclean
 
# Rule for Clean & Build Target
re: fclean all
.PHONY: re
 
# ASCII Art : Display Tips the way to use.
define ASCII_ART
    @echo " _____________________________________________"
    @echo "< Usage :                                     >"
    @echo "<  $$ ./a.out                                  >"
    @echo "----------------------------------------------"
    @echo "       \   ^__^"
    @echo "        \  (oo)\_______"
    @echo "           (__)\       )\\/\\"
    @echo "               ||----w |"
    @echo "               ||     ||\n"
endef