两处独立收益: 1. Toolbar::BuildBoxes 里唯一的 dynamic_cast 是**多余强转**(Button::widget 本来就是 UiButtonWidget*),却让全项目必须开 RTTI。改为直接遍历 m_buttons(与控件树同源)。 最小复现程序实测:39,936 B -> 115,200 B(+75,264 B)。 2. RTTI 关掉后 cp-demangle.o 仍然在链接里 —— 真凶是 libstdc++ 的 vterminate.o (引用 __cxa_demangle)。本文件自行定义 __gnu_cxx::__verbose_terminate_handler(), 让它不再被拉入(本应用启动后会换成自己的 terminate 处理,行为等效)。 Makefile 新增 NO_RTTI=1(默认开启)-> CXXFLAGS += -fno-rtti。 实测:Release 890,880 -> 829,440 B(-61,440);.text 753,136 -> 703,616(-49,520); .rdata 36,936 -> 26,616(-10,320);Debug 1,801,617 -> 1,734,578(-67,039)。 release/debug 全量重建零警告。
325 lines
12 KiB
Makefile
325 lines
12 KiB
Makefile
# 目标文件名称
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TARGET_FILE_NAME = Target
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# 编译目录
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BUILD_DIR = Build
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# Release 编译子目录
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SUB_DIR_RELEASE = Release
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# Debug 编译子目录
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SUB_DIR_DEBUG = Debug
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# ⚠️ 产物体积**预警阈值**(用户 2026-10-29 更新):**1MB(1,048,576 B)**。
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# 这不是"不许超过":**超过仍可发布**,但到达阈值时必须主动提醒用户,
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# 并说明"超在哪一段(`.text` / `.rdata` / `.xdata`+`.pdata` / `.rsrc`)、由哪个改动贡献"。
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# 旧红线 900KB / 800KB 均已作废。
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# 查段构成的命令(排查超限原因的标准做法):objdump -h Build/Release/Target.exe
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RELEASE_OPT = -Oz
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# ---- 体积相关编译开关 ------------------------------------------------------
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# ⚠️ 曾经有一个 `LAYOUT_BOUNDS` 开关(声称能剔除"显示布局边界"调试叠加层),
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# 但它从来没有被任何 `#if` 引用过 —— 是个**名实不符**的死开关,已删除(2026-10-29 审计)。
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# 该叠加层现在是**正式功能**(设置菜单里的开关),随产物一起编译;
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# 要真正把它变成可剔除项,需要给每个组件的 `BuildBoxes` 重载都加 `#if`,
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# 代价远大于它占的十几 KB(当前产物 791,552 B,离 1MB 预警线还有 250+ KB)。
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# NO_EXCEPTIONS:1 = 用 `-fno-exceptions` 构建(省 `.xdata`+`.pdata` 约 28KB)。
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# ⚠️ 代价:所有"按数据规模预留大块内存"的地方必须用 `MemProbe.hpp` 的
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# `MemReserveIfRoom()` **预检验**,不能再靠 try/catch。
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# 兜底:`Application::Initialize` 里安装了 `MemInstallTerminateHandler()`
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# (万一仍有遗漏,OOM 时弹一次带建议的模态提示后干净退出,而不是静默消失)。
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NO_EXCEPTIONS = 1
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# LTO:1 = 链接时优化(实测 −94KB)。构建时间约翻倍。
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# ⚠️ **切换 LTO 必须 `make clean`**:LTO 与非 LTO 目标文件混链会让
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# GCC 15.2.0 在 `binds_to_current_def_p` 处 ICE(已实测复现)。
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# ⚠️ 开启 LTO 后 `-Wa,...,-ahlms` 的 `.lst` 汇编清单不再生成(lto-wrapper 会丢弃并告警),
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# 因此 `ASM_LISTING` 在 LTO 下为空。
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LTO = 1
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# ---------------------------------------------------------------------------
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# Debug 优化等级
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DEBUG_OPT = -O0
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# GUI或CUI编译选项 [0]CUI/Console [1]GUI
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GUI = 1
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# C编译标准
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C_STD = c17
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# C++编译标准
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CXX_STD = c++17
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# 源文件编码定义
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INPUT_CHAR_ENCODING = UTF-8
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# 编译产物单字节字符(char)编码定义
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OUTPUT_CHAR_ENCODING = GBK
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# 编译产物宽字符(wchar_t)编码定义
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OUTPUT_WCHAR_ENCODING = UTF-16LE
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# 编译工具前缀
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COMPLIER_PREFIX = \
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# C编译工具
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C_COMPLIER = $(strip $(COMPLIER_PREFIX))gcc
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# C++编译工具
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CXX_COMPLIER = $(strip $(COMPLIER_PREFIX))g++
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# Windows 资源文件编译工具
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WIN_RES_COMPLIER = windres
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##################################################################################
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# 链接库
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LIB_LINK = \
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-lgdi32 \
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-lgdiplus \
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-lmsimg32 \
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-lcomdlg32 \
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-ld3d11 \
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-ldwmapi \
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-ld3dcompiler \
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# C定义
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C_DEFS = \
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_UNICODE \
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UNICODE \
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# C头文件目录
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C_INCLUDES_PATHS = \
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# C源文件目录
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C_SOURCES_PATHS = \
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# C额外单个源文件
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C_EXTERA_SOURCES = \
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# C++定义
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CXX_DEFS = \
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_UNICODE \
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UNICODE \
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# C++ 头文件目录
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# ⚠️ 目录约定:**所有头文件(.hpp)只放在 `Inc`**,`Src` 只放实现(.cpp)。
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# `*Internal.hpp`(组件内部共享的常量/工具,如 `PlotViewInternal.hpp`)同样属于头文件,
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# 历史上曾被放在 `Src` 下(那里也能编译,因为编译器会先找 `#include` 所在目录),
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# 但那是靠“同目录优先”隐式生效的 —— 一旦文件被搬走就会无声失效。现已全部移入 `Inc`。
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CXX_INCLUDES_PATHS = \
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Utilities/Inc \
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Resources/Inc \
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Components/Main/Inc \
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Components/Shared/Inc \
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Components/Application/Inc \
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Components/TabBar/Inc \
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Components/Toolbar/Inc \
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Components/SignalPanel/Inc \
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Components/PlotView/Inc \
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# C++源文件目录
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CXX_SOURCES_PATHS = \
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Utilities/Src \
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Components/Main/Src \
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Components/Shared/Src \
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Components/Application/Src \
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Components/TabBar/Src \
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Components/Toolbar/Src \
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Components/SignalPanel/Src \
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Components/PlotView/Src \
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# C++额外单个源文件
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CXX_EXTERA_SOURCES = \
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# Windows 资源文件脚本头文件路径
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WIN_RESOURCE_INCLUDES_PATHS = \
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Resources \
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Resources/Inc \
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# Windows 资源文件脚本输入代码页(对应 INPUT_CHAR_ENCODING = UTF-8)
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WIN_RESOURCE_CODEPAGE = 65001
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# Windows 资源文件脚本列表
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WIN_RESOURCE_SCRIPTS = \
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Resources/JustDataInspector.rc \
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##################################################################################
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# C编译选项
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CFLAGS = $(foreach text,$(C_DEFS),$(addprefix -D,$(text))) \
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$(foreach path,$(C_INCLUDES_PATHS),$(addprefix -I,$(path))) \
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-std=$(strip $(C_STD)) \
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-finput-charset=$(strip $(INPUT_CHAR_ENCODING)) \
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-fexec-charset=$(strip $(OUTPUT_CHAR_ENCODING)) \
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-fwide-exec-charset=$(strip $(OUTPUT_WCHAR_ENCODING)) \
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-static \
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$(FUNC_SECTIONS) \
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-Wall \
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-MMD -MP -MF"$(@:%.o=%.d)" \
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# C++编译选项
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CXXFLAGS = $(foreach text,$(CXX_DEFS),$(addprefix -D,$(text))) \
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$(foreach path,$(CXX_INCLUDES_PATHS),$(addprefix -I,$(path))) \
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-std=$(strip $(CXX_STD)) \
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-finput-charset=$(strip $(INPUT_CHAR_ENCODING)) \
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-fexec-charset=$(strip $(OUTPUT_CHAR_ENCODING)) \
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-fwide-exec-charset=$(strip $(OUTPUT_WCHAR_ENCODING)) \
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-static \
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$(FUNC_SECTIONS) \
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-Wall \
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-MMD -MP -MF"$(@:%.o=%.d)" \
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-lstdc++ \
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# 链接选项
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LDFLAGS = -Wl,-Map,$(basename $@).map \
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$(GC_SECTIONS) \
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##################################################################################
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# GUI与CUI选项附加
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ifeq ($(GUI), 1)
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LDFLAGS += -mwindows
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else
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LDFLAGS += -mconsole
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endif
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# ---- 体积/行为相关开关(必须在 CFLAGS / CXXFLAGS / LDFLAGS 定义之后)--------
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# 说明:这些是 `=` / `+=` 的递归变量,make 在展开 recipe 时才求值,
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# 因此放在 LDFLAGS 定义之后仍然能正确作用到前面的 CFLAGS / LDFLAGS。
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ifeq ($(strip $(NO_EXCEPTIONS)), 1)
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CXXFLAGS += -fno-exceptions
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endif
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# ---- RTTI:全项目不使用 `dynamic_cast` / `typeid` ----
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# 2026-11-04 审查:唯一的 `dynamic_cast`(Toolbar::BuildBoxes)是多余的强转,
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# 已改为直接使用已有的 `UiButtonWidget*`。RTTI 会链入 `cp-demangle.o`
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# (Release map 实测 56,320 B)+ `type_info` 表,最小复现程序实测 +75,264 B。
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NO_RTTI = 1
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ifeq ($(strip $(NO_RTTI)), 1)
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CXXFLAGS += -fno-rtti
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endif
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# 丢弃未被引用的函数/数据(非 LTO 时还需要配合 -ffunction-sections 才有粒度)。
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GC_SECTIONS = -Wl,--gc-sections
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ifeq ($(strip $(LTO)), 1)
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# LTO 自己就做跨编译单元的内联与去重,不需要再开 function-sections;
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# 实测 `-flto` 与 `-ffunction-sections -fdata-sections` 同时打开会让
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# GCC 15.2.0 在 `binds_to_current_def_p (symtab.cc:2598)` 处 ICE。
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FUNC_SECTIONS =
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CFLAGS += -flto
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CXXFLAGS += -flto
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# ⚠️ `-flto-partition=one` 是绕过上面那个 ICE 的关键:
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# 默认的多分区 LTRANS 在解析 COMDAT 定义时必崩(同一份代码拆成 11 个分区稳定复现,
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# 单分区从未复现)。代价是 LTRANS 只能串行,全量构建比非 LTO 慢约一倍。
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LDFLAGS += -flto -flto-partition=one
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# lto-wrapper 会丢弃 -Wa 的汇编清单并告警,故 LTO 下不生成 .lst。
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ASM_LISTING =
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ASM_LISTING_C =
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else
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FUNC_SECTIONS = -ffunction-sections -fdata-sections
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ASM_LISTING = -Wa,-a,-ad,-ahlms=$(@:%.o=%.lst)
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ASM_LISTING_C = -Wa,-a,-ad,-alms=$(@:%.o=%.lst)
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endif
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# ---------------------------------------------------------------------------
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# C目标文件及索引目录关联
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OBJECTS = $(notdir $(C_EXTERA_SOURCES:.c=.o))
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OBJECTS += $(subst .c,.o,$(notdir $(foreach path,$(C_SOURCES_PATHS),$(wildcard $(path)/*.c))))
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vpath %.c $(sort $(dir $(C_EXTERA_SOURCES))) $(sort $(C_SOURCES_PATHS))
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# C++目标文件及索引目录关联
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OBJECTS += $(notdir $(CXX_EXTERA_SOURCES:.cpp=.o))
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OBJECTS += $(subst .cpp,.o,$(notdir $(foreach path,$(CXX_SOURCES_PATHS),$(wildcard $(path)/*.cpp))))
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vpath %.cpp $(sort $(dir $(CXX_EXTERA_SOURCES))) $(sort $(CXX_SOURCES_PATHS))
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# Windows资源文件及索引目录关联
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OBJECTS += $(notdir $(WIN_RESOURCE_SCRIPTS:.rc=.o))
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vpath %.rc $(sort $(dir $(WIN_RESOURCE_SCRIPTS)))
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# Release 目标文件
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RELEASE_OBJECTS = $(addprefix $(BUILD_DIR)/$(SUB_DIR_RELEASE)/,$(OBJECTS))
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# Debug 目标文件
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DEBUG_OBJECTS = $(addprefix $(BUILD_DIR)/$(SUB_DIR_DEBUG)/,$(OBJECTS))
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##################################################################################
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# all任务 目标为 release 和 debug 产物
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all: $(BUILD_DIR)/$(SUB_DIR_RELEASE)/$(TARGET_FILE_NAME).exe $(BUILD_DIR)/$(SUB_DIR_DEBUG)/$(TARGET_FILE_NAME).exe
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@echo ====== [All] Build Procedure Accomplished ======
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# release任务 目标为 release 产物
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release: $(BUILD_DIR)/$(SUB_DIR_RELEASE)/$(TARGET_FILE_NAME).exe
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@echo ====== [Release] Build Procedure Accomplished ======
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# debug任务 目标为 debug 产物
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debug: $(BUILD_DIR)/$(SUB_DIR_DEBUG)/$(TARGET_FILE_NAME).exe
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@echo ====== [Debug] Build Procedure Accomplished ======
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# 清理任务
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clean: $(BUILD_DIR)
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powershell rm -r $(BUILD_DIR)
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# 构建目录生成
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$(BUILD_DIR):
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powershell mkdir $@
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# Release 工作目录生成
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$(BUILD_DIR)/$(SUB_DIR_RELEASE): | $(BUILD_DIR)
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powershell mkdir $@
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# Debug 工作目录生成
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$(BUILD_DIR)/$(SUB_DIR_DEBUG): | $(BUILD_DIR)
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powershell mkdir $@
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# Release 最终可执行文件编译任务
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$(BUILD_DIR)/$(SUB_DIR_RELEASE)/$(TARGET_FILE_NAME).exe: $(RELEASE_OBJECTS)
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@echo ====== [Release] All File Compiled. Now Linking... ======
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$(CXX_COMPLIER) $(RELEASE_OBJECTS) -static -s -o $@ $(LIB_LINK) $(LDFLAGS)
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@echo ====== [Release] Program Link Finished ======
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# Debug 最终可执行文件编译任务
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$(BUILD_DIR)/$(SUB_DIR_DEBUG)/$(TARGET_FILE_NAME).exe: $(DEBUG_OBJECTS)
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@echo ====== [Debug] All File Compiled. Now Linking... ======
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$(CXX_COMPLIER) $(DEBUG_OBJECTS) -static -o $@ $(LIB_LINK) $(LDFLAGS)
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@echo ====== [Debug] Program Link Finished ======
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# C Release 目标文件编译
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$(BUILD_DIR)/$(SUB_DIR_RELEASE)/%.o: %.c Makefile | $(BUILD_DIR)/$(SUB_DIR_RELEASE)
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@echo ====== [Release] C Source File "$<" Compiling... ======
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$(C_COMPLIER) -c $(CFLAGS) $(RELEASE_OPT) $(ASM_LISTING_C) $< -o $@
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# C++ Release 目标文件编译
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$(BUILD_DIR)/$(SUB_DIR_RELEASE)/%.o: %.cpp Makefile | $(BUILD_DIR)/$(SUB_DIR_RELEASE)
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@echo ====== [Release] C++ Source File "$<" Compiling... ======
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$(CXX_COMPLIER) -c $(CXXFLAGS) $(RELEASE_OPT) $(ASM_LISTING) $< -o $@
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# Release 资源脚本文件编译
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$(BUILD_DIR)/$(SUB_DIR_RELEASE)/%.o: %.rc Makefile | $(BUILD_DIR)/$(SUB_DIR_RELEASE)
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@echo ====== [Release] Windows Resource Script File "$<" Compiling... ======
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$(WIN_RES_COMPLIER) -c $(WIN_RESOURCE_CODEPAGE) $(foreach path,$(WIN_RESOURCE_INCLUDES_PATHS),$(addprefix -I,$(path))) $< -o $@
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# C Debug 目标文件编译
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$(BUILD_DIR)/$(SUB_DIR_DEBUG)/%.o: %.c Makefile | $(BUILD_DIR)/$(SUB_DIR_DEBUG)
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@echo ====== [Debug] C Source File "$<" Compiling... ======
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$(C_COMPLIER) -c $(CFLAGS) $(RELEASE_OPT) $(ASM_LISTING_C) $< -o $@
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# C++ Debug 目标文件编译
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$(BUILD_DIR)/$(SUB_DIR_DEBUG)/%.o: %.cpp Makefile | $(BUILD_DIR)/$(SUB_DIR_DEBUG)
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@echo ====== [Debug] C++ Source File "$<" Compiling... ======
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$(CXX_COMPLIER) -c $(CXXFLAGS) $(RELEASE_OPT) $(ASM_LISTING) $< -o $@
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# Debug 资源脚本文件编译
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$(BUILD_DIR)/$(SUB_DIR_DEBUG)/%.o: %.rc Makefile | $(BUILD_DIR)/$(SUB_DIR_DEBUG)
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@echo ====== [Debug] Windows Resource Script File "$<" Compiling... ======
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$(WIN_RES_COMPLIER) -c $(WIN_RESOURCE_CODEPAGE) $(foreach path,$(WIN_RESOURCE_INCLUDES_PATHS),$(addprefix -I,$(path))) $< -o $@
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# 依赖关系
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-include $(RELEASE_OBJECTS:.o=.d)
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-include $(DEBUG_OBJECTS:.o=.d)
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