makefile

# Reference : https://www.partow.net/programming/makefile/index.html

CXX	  := -c++
CXXFLAGS := -pedantic-errors -Wall -Wextra -Werror
LDFLAGS  := -L/usr/lib -lstdc++ -lm
BUILD	:= ./build
OBJ_DIR  := $(BUILD)/objects
APP_DIR  := $(BUILD)/apps
TARGET	:= program
INCLUDE  := -Iinclude/ 

SRC	  :=					  \
   $(wildcard src/*.cpp)		 \
	#$(wildcard src/module1/*.cpp) \
	#$(wildcard src/module2/*.cpp) \
	#$(wildcard src/module3/*.cpp) \
	

OBJECTS := $(SRC:%.cpp=$(OBJ_DIR)/%.o)

all: build $(APP_DIR)/$(TARGET)

$(OBJ_DIR)/%.o: %.cpp
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) $(INCLUDE) -o $@ -c $<

$(APP_DIR)/$(TARGET): $(OBJECTS)
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) $(INCLUDE) $(LDFLAGS) -o $(APP_DIR)/$(TARGET) $(OBJECTS)

.PHONY: all build clean debug release

build:
	@mkdir -p $(APP_DIR)
	@mkdir -p $(OBJ_DIR)

debug: CXXFLAGS += -DDEBUG -g
debug: all

release: CXXFLAGS += -O2
release: all

clean:
	-@rm -rvf $(OBJ_DIR)/*
	-@rm -rvf $(APP_DIR)/*