85 lines
2.6 KiB
Makefile
85 lines
2.6 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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ARM64_CC ?= aarch64-linux-gnu-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。
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LDLIBS ?= -lpthread
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INCLUDES := -Iinclude
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# hub / peer / bridge 共用的核心源码。
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PEER_STACK_SRCS := \
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src/core/logger.c \
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src/core/peer_transport.c \
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src/protocols/ikcp.c
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# 当前保留的应用入口源文件。
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APP_HUB_SRC := src/apps/hub_main.c
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APP_PEER_SRC := src/apps/peer_main.c
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APP_BRIDGE_SRC := src/apps/bridge_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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PEER_STACK_OBJS := $(patsubst %.c,$(BUILD_DIR)/%.o,$(PEER_STACK_SRCS))
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HUB_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_HUB_SRC))
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PEER_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_PEER_SRC))
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BRIDGE_OBJ := $(patsubst %.c,$(BUILD_DIR)/%.o,$(APP_BRIDGE_SRC))
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# 默认构建目标：仅保留 hub / peer / bridge。
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TARGETS := \
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$(BUILD_DIR)/omni_hub \
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$(BUILD_DIR)/omni_peer \
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$(BUILD_DIR)/omni_bridge
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.PHONY: all arm arm64 clean 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_hub: $(PEER_STACK_OBJS) $(HUB_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(BUILD_DIR)/omni_peer: $(PEER_STACK_OBJS) $(PEER_OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
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$(BUILD_DIR)/omni_bridge: $(PEER_STACK_OBJS) $(BRIDGE_OBJ)
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$(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=$(ARM_CC) all
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# ARM64 构建入口：适合大多数 Jetson 设备。
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arm64:
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$(MAKE) BUILD_DIR=build/arm64 CC=$(ARM64_CC) all
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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 arm64 -> build ARM64 binaries in build/arm64 (aarch64-linux-gnu-gcc)"
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@echo "generated binaries: omni_hub omni_peer omni_bridge"
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@echo "make clean -> remove build artifacts"
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