2025-05-29 23:08:59 +08:00
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# ================================================================
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# 使用说明：
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# 1. 确保交叉编译工具链路径正确
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# 2. 确保源码放在src目录，头文件放在inc目录
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# 3. 命令行执行：
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# make # 编译
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# make clean # 清理
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# ================================================================
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# TODO 交叉编译器路径配置
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TOOLCHAIN_DIR ?= /home/qieyuan/bupt_project/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu
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CROSS_COMPILE ?= $(TOOLCHAIN_DIR)/aarch64-linux-gnu-
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# 编译配置
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CC = $(CROSS_COMPILE)gcc
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AR = $(CROSS_COMPILE)ar
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STRIP = $(CROSS_COMPILE)strip
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# 编译输出目录配置
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BUILD_DIR = build
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TARGET = $(BUILD_DIR)/msg_udp_ctrl.out
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# 代码目录配置
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SRC_DIR = src
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INC_DIR = inc
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OBJ_DIR = $(BUILD_DIR)/obj
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# 编译器选项配置
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CFLAGS = -O2 -Wall -Werror -g
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CFLAGS += -I$(INC_DIR) # 头文件搜索路径
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CFLAGS += -MMD -MP # 自动生成依赖关系
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CFLAGS += -fPIC # 位置无关代码
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LDFLAGS = -lpthread -lrt # 多线程与mmap拓展库
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# UDP专用宏定义
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# DEFINES = -DUSE_UDP_OPTIMIZE=1
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# CFLAGS += $(DEFINES)
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# 自动收集源文件
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SRCS = $(wildcard $(SRC_DIR)/*.c)
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OBJS = $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
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DEPS = $(OBJS:.o=.d) # 依赖
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# ======================== 构建规则 ===============================
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.PHONY: all clean
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all: $(TARGET)
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# 主目标链接
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$(TARGET): $(OBJS)
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@echo "Linking $@"
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@mkdir -p $(@D) # 创建目标目录
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$(CC) $^ -o $@ $(LDFLAGS)
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# 编译规则
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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@echo "Compiling $<"
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@mkdir -p $(@D) # 创建对象目录
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$(CC) $(CFLAGS) -c $< -o $@
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# 包含自动生成的依赖关系
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-include $(DEPS)
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clean:
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rm -rf $(BUILD_DIR)
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