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https://gitee.com/dlmu-cone/tronone-h7-scaffold
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add commit to cmake files
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@@ -1,55 +1,78 @@
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# 设置目标系统为通用系统（无操作系统）
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set(CMAKE_SYSTEM_NAME Generic)
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# 设置目标处理器架构为ARM
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set(CMAKE_SYSTEM_PROCESSOR arm)
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# 以下三行被注释掉的设置用于强制指定编译器信息
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#set(CMAKE_C_COMPILER_FORCED TRUE)
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#set(CMAKE_CXX_COMPILER_FORCED TRUE)
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#set(CMAKE_C_COMPILER_ID GNU)
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#set(CMAKE_CXX_COMPILER_ID GNU)
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# Some default GCC settings
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# arm-none-eabi- must be part of path environment
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# 设置工具链前缀（需要在系统PATH环境变量中包含arm-none-eabi-工具链）
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set(TOOLCHAIN_PREFIX arm-none-eabi-)
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# 设置C编译器为arm-none-eabi-gcc
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
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# 设置汇编器使用C编译器（gcc也可以处理汇编文件）
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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# 设置C++编译器为arm-none-eabi-g++
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
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# 设置链接器为arm-none-eabi-g++（使用C++编译器进行链接）
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set(CMAKE_LINKER ${TOOLCHAIN_PREFIX}g++)
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# 设置objcopy工具，用于生成二进制文件等
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PREFIX}objcopy)
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# 设置size工具，用于查看程序内存占用
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set(CMAKE_SIZE ${TOOLCHAIN_PREFIX}size)
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# 设置各种源文件生成的可执行文件后缀为.elf
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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# 设置尝试编译的目标类型为静态库（用于工具链测试）
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# MCU specific flags
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# 设置MCU特定的编译标志
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set(TARGET_FLAGS "-mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard ")
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# 将MCU标志添加到C编译标志中
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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# 添加警告和优化相关标志
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wpedantic -fdata-sections -ffunction-sections")
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# 根据构建类型设置不同的优化级别
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if(CMAKE_BUILD_TYPE MATCHES "Debug")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g") # 调试模式：无优化，包含调试信息
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
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elseif(CMAKE_BUILD_TYPE MATCHES "Release")
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set(CMAKE_C_FLAGS_RELEASE "-O3")
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set(CMAKE_C_FLAGS_RELEASE "-O3") # 发布模式：最高级别优化
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set(CMAKE_CXX_FLAGS_RELEASE "-O3")
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elseif(CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g") # 带调试信息的发布模式：中等优化，包含调试信息
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
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elseif(CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os") # 最小体积模式：优化代码大小
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os")
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endif()
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# 设置汇编器标志：包含C标志，并添加汇编特定选项
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -MMD -MP")
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# 设置C++标志：包含C标志，并禁用RTTI、异常和线程安全静态变量
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set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions -fno-threadsafe-statics")
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# 设置C链接标志
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set(CMAKE_C_LINK_FLAGS "${TARGET_FLAGS}")
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# 添加链接脚本文件
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -T \"${CMAKE_SOURCE_DIR}/STM32H723XG_FLASH.ld\"")
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# 使用nano规格（精简C库）
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} --specs=nano.specs")
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# 生成map文件并启用垃圾回收
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Wl,--gc-sections")
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# 链接C库和数学库（使用组解决循环依赖）
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lc -lm -Wl,--end-group")
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# 打印内存使用情况
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--print-memory-usage")
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# 设置C++链接标志：在C链接标志基础上添加C++标准库支持
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set(CMAKE_CXX_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lstdc++ -lsupc++ -Wl,--end-group")
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@@ -1,74 +1,101 @@
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# 设置目标系统为通用系统（无操作系统）
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set(CMAKE_SYSTEM_NAME Generic)
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# 设置目标处理器架构为ARM
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set(CMAKE_SYSTEM_PROCESSOR arm)
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# 明确指定编译器为Clang
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set(CMAKE_C_COMPILER_ID Clang)
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set(CMAKE_CXX_COMPILER_ID Clang)
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# Some default llvm settings
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# 设置工具链前缀为starm-（ST ARM工具链）
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set(TOOLCHAIN_PREFIX starm-)
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# 设置C编译器为starm-clang
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}clang)
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# 设置汇编器使用C编译器（clang也可以处理汇编文件）
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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# 设置C++编译器为starm-clang++
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}clang++)
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# 设置链接器为starm-clang
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set(CMAKE_LINKER ${TOOLCHAIN_PREFIX}clang)
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# 设置objcopy工具，用于生成二进制文件等
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PREFIX}objcopy)
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# 设置size工具，用于查看程序内存占用
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set(CMAKE_SIZE ${TOOLCHAIN_PREFIX}size)
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# 设置各种源文件生成的可执行文件后缀为.elf
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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# 设置尝试编译的目标类型为静态库（用于工具链测试）
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# STARM_TOOLCHAIN_CONFIG allows you to choose the toolchain configuration.
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# Possible values are:
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# "STARM_HYBRID" : Hybrid configuration using starm-clang Assemler and Compiler and GNU Linker
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# "STARM_NEWLIB" : starm-clang toolchain with NEWLIB C library
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# "STARM_PICOLIBC" : starm-clang toolchain with PICOLIBC C library
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# STARM_TOOLCHAIN_CONFIG允许选择工具链配置，可能的取值有：
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# "STARM_HYBRID" : 混合配置，使用starm-clang汇编器和编译器，但使用GNU链接器
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# "STARM_NEWLIB" : 使用NEWLIB C库的starm-clang工具链
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# "STARM_PICOLIBC" : 使用PICOLIBC C库的starm-clang工具链
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set(STARM_TOOLCHAIN_CONFIG "STARM_HYBRID")
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# 根据选择的工具链配置设置多库配置选项
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if (STARM_TOOLCHAIN_CONFIG STREQUAL "STARM_HYBRID")
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# 混合配置：使用GNU工具链的多库配置和GCC工具链路径
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set(TOOLCHAIN_MULTILIBS "--multi-lib-config=\"$ENV{CLANG_GCC_CMSIS_COMPILER}/multilib.gnu_tools_for_stm32.yaml\" --gcc-toolchain=\"$ENV{GCC_TOOLCHAIN_ROOT}/..\"")
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elseif (STARM_TOOLCHAIN_CONFIG STREQUAL "STARM_NEWLIB")
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# Newlib配置：使用newlib.cfg配置文件
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set(TOOLCHAIN_MULTILIBS "--config=newlib.cfg")
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endif ()
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# MCU specific flags
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# 设置MCU特定的编译标志
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set(TARGET_FLAGS "-mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard ${TOOLCHAIN_MULTILIBS}")
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# 将MCU标志添加到C编译标志中
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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# 设置汇编器标志：包含C标志，并添加汇编特定选项
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -MP")
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# 添加警告和优化相关标志到C编译标志
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fdata-sections -ffunction-sections")
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# 根据构建类型设置不同的优化级别
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if (CMAKE_BUILD_TYPE MATCHES "Debug")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g") # 调试模式：无优化，包含调试信息
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
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elseif (CMAKE_BUILD_TYPE MATCHES "Release")
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set(CMAKE_C_FLAGS_RELEASE "-O3")
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set(CMAKE_C_FLAGS_RELEASE "-O3") # 发布模式：最高级别优化
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set(CMAKE_CXX_FLAGS_RELEASE "-O3")
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elseif (CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g") # 带调试信息的发布模式：中等优化，包含调试信息
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
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elseif (CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os") # 最小体积模式：优化代码大小
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os")
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endif ()
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# 设置C++标志：包含C标志，并禁用RTTI、异常和线程安全静态变量
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set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions -fno-threadsafe-statics")
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# 设置可执行文件链接标志
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set(CMAKE_EXE_LINKER_FLAGS "${TARGET_FLAGS}")
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# 根据工具链配置添加特定的链接选项
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if (STARM_TOOLCHAIN_CONFIG STREQUAL "STARM_HYBRID")
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# 混合配置：使用GCC的nano规格
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --gcc-specs=nano.specs")
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# 链接数学库
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set(TOOLCHAIN_LINK_LIBRARIES "m")
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elseif (STARM_TOOLCHAIN_CONFIG STREQUAL "STARM_NEWLIB")
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# Newlib配置：使用无系统支持的C运行时
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lcrt0-nosys")
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elseif (STARM_TOOLCHAIN_CONFIG STREQUAL "STARM_PICOLIBC")
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# Picolibc配置：使用托管环境的C运行时
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lcrt0-hosted")
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endif ()
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# 添加链接脚本文件
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T \"${CMAKE_SOURCE_DIR}/STM32H723XG_FLASH.ld\"")
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# 生成map文件并启用垃圾回收
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Wl,--gc-sections")
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# 设置栈为不可执行（安全增强）
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -z noexecstack")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--print-memory-usage ")
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# 打印内存使用情况
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--print-memory-usage ")
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