103 lines
3.4 KiB
Makefile
103 lines
3.4 KiB
Makefile
# 默认本机编译器（可由环境变量覆盖，例如 CC=clang）。
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CC ?= gcc
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# ARM 交叉编译工具链前缀（可按本地环境替换）。
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CROSS_COMPILE ?= arm-linux-gnueabihf-
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ARM_CC ?= $(CROSS_COMPILE)gcc
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# 产物目录（native: build/，arm: build/arm/）。
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BUILD_DIR ?= build
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# 编译参数：
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# - CFLAGS: 优化级别、调试符号、告警、C 标准
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# - CPPFLAGS: POSIX 特性宏，确保 clock_gettime 等接口可见
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CFLAGS ?= -O2 -g -Wall -Wextra -std=c11
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CPPFLAGS ?= -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L
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LDFLAGS ?=
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# 链接 pthread（apps 中有多线程）。
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LDLIBS ?= -lpthread
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INCLUDES := -Iinclude
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# 所有二进制共享的核心源码（网络核心 + 协议实现 + ikcp）。
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COMMON_SRCS := \
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src/core/network.c \
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src/core/logger.c \
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src/protocols/tcp_impl.c \
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src/protocols/udp_impl.c \
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src/protocols/kcp_impl.c \
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src/protocols/ikcp.c
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# 各应用入口源文件。
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APP_TEST_SRC := src/apps/test_main.c
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APP_CLIENT_SRC := src/apps/client_main.c
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APP_SERVER_SRC := src/apps/server_main.c
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APP_RELAY_SRC := src/apps/relay_main.c
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# 将源文件映射到 BUILD_DIR 下的对象文件路径。
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COMMON_OBJS := $(patsubst %.c,$(BUILD_DIR)/%.o,$(COMMON_SRCS))
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TEST_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_TEST_SRC))
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CLIENT_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_CLIENT_SRC))
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SERVER_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_SERVER_SRC))
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RELAY_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_RELAY_SRC))
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# 按目标清理时，仅删除对应可执行文件与专属入口对象，避免影响其它产物。
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CLIENT_CLEAN_FILES := $(BUILD_DIR)/omni_client $(CLIENT_OBJ)
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ARM64_BUILD_DIR ?= build/arm64
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ARM64_CLIENT_OBJ := $(patsubst %.c,$(ARM64_BUILD_DIR)/%.o,$(APP_CLIENT_SRC))
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ARM64_CLIENT_CLEAN_FILES := $(ARM64_BUILD_DIR)/omni_client $(ARM64_CLIENT_OBJ)
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# 默认构建目标：4 个可执行程序。
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TARGETS := \
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$(BUILD_DIR)/omni_test \
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$(BUILD_DIR)/omni_client \
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$(BUILD_DIR)/omni_server \
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$(BUILD_DIR)/omni_relay
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.PHONY: all arm clean clean-client clean-arm64-client help
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# 本机构建入口。
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all: $(TARGETS)
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# 各可执行程序链接规则。
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$(BUILD_DIR)/omni_test: $(COMMON_OBJS) $(TEST_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(BUILD_DIR)/omni_client: $(COMMON_OBJS) $(CLIENT_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(BUILD_DIR)/omni_server: $(COMMON_OBJS) $(SERVER_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(BUILD_DIR)/omni_relay: $(COMMON_OBJS) $(RELAY_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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# 通用编译规则：
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# - 自动创建对象文件所在目录
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# - 编译单个 .c 为 .o
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$(BUILD_DIR)/%.o: %.c
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@mkdir -p $(dir $@)
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$(CC) $(CPPFLAGS) $(CFLAGS) $(INCLUDES) -c $< -o $@
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# ARM 构建入口：通过子 make 覆盖 BUILD_DIR 与 CC。
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arm:
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$(MAKE) BUILD_DIR=build/arm CC=$(ARM_CC) all
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# 仅清理当前 BUILD_DIR 下的 omni_client 与其入口对象。
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clean-client:
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rm -f $(CLIENT_CLEAN_FILES)
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# 仅清理 build/arm64 下的 omni_client 与其入口对象。
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clean-arm64-client:
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rm -f $(ARM64_CLIENT_CLEAN_FILES)
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# 清理构建目录。
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clean:
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rm -rf build
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# 便捷帮助信息。
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help:
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@echo "make -> build native binaries in build/"
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@echo "make arm -> build ARM binaries in build/arm (arm-linux-gnueabihf-gcc)"
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@echo "make clean-client -> remove omni_client and client_main.o in BUILD_DIR"
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@echo "make clean-arm64-client -> remove omni_client and client_main.o in build/arm64"
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@echo "make clean -> remove build artifacts"
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