经典应用示例
1. 文件结构
.
├── include
│ ├── module1
│ │ ├── mod1c1.hpp
│ │ └── mod1c2.hpp
│ ├── module2
│ │ ├── mod2c1.hpp
│ │ └── mod2c2.hpp
│ └── program.hpp
├── Makefile
└── src
├── module1
│ ├── mod1c1.cpp
│ └── mod1c2.cpp
├── module2
│ ├── mod2c1.cpp
│ └── mod2c2.cpp
└── program.cpp
makefile文件:
#
# **************************************************************
# * Simple C++ Makefile Template *
# * *
# * Author: Arash Partow (2003) *
# * URL: http://www.partow.net/programming/makefile/index.html *
# * *
# * Copyright notice: *
# * Free use of this C++ Makefile template is permitted under *
# * the guidelines and in accordance with the the MIT License *
# * http://www.opensource.org/licenses/MIT *
# * *
# **************************************************************
#
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/module1/*.cpp) \
$(wildcard src/module2/*.cpp) \
$(wildcard src/*.cpp) \
OBJECTS := $(SRC:%.cpp=$(OBJ_DIR)/%.o)
DEPENDENCIES \
:= $(OBJECTS:.o=.d)
all: build $(APP_DIR)/$(TARGET)
$(OBJ_DIR)/%.o: %.cpp
@mkdir -p $(@D)
$(CXX) $(CXXFLAGS) $(INCLUDE) -c $< -MMD -o $@
$(APP_DIR)/$(TARGET): $(OBJECTS)
@mkdir -p $(@D)
$(CXX) $(CXXFLAGS) -o $(APP_DIR)/$(TARGET) $^ $(LDFLAGS)
-include $(DEPENDENCIES)
.PHONY: all build clean debug release info
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)/*
info:
@echo "[*] Application dir: ${APP_DIR} "
@echo "[*] Object dir: ${OBJ_DIR} "
@echo "[*] Sources: ${SRC} "
@echo "[*] Objects: ${OBJECTS} "
@echo "[*] Dependencies: ${DEPENDENCIES}"
3. 运行结果: