mirror of
https://gitee.com/dlmu-cone/tronone-h7-scaffold
synced 2026-07-24 03:27:45 +08:00
math lib ok(?) but not linked to lib
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@@ -1,7 +1,7 @@
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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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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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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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@@ -10,25 +10,25 @@ set(CMAKE_SYSTEM_PROCESSOR arm)
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#set(CMAKE_CXX_COMPILER_ID GNU)
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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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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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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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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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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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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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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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set(CMAKE_SIZE ${TOOLCHAIN_PREFIX}size)
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# 设置各种源文件生成的可执行文件后缀为.elf
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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# 设置尝试编译的目标类型为静态库(用于工具链测试)
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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@@ -42,19 +42,19 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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set(CMAKE_C_FLAGS "${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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if (CMAKE_BUILD_TYPE MATCHES "Debug")
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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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elseif (CMAKE_BUILD_TYPE MATCHES "Release")
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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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elseif (CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
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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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elseif (CMAKE_BUILD_TYPE MATCHES "MinSizeRel")
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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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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 "${CMAKE_C_FLAGS} -x assembler-with-cpp -MMD -MP")
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@@ -75,4 +75,6 @@ set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lc -lm -Wl,--en
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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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set(CMAKE_CXX_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lstdc++ -lsupc++ -Wl,--end-group")
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set(TOOLCHAIN_LINK_LIBRARIES "m")
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@@ -103,4 +103,6 @@ set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lc -lm -Wl,--en
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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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set(CMAKE_CXX_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lstdc++ -lsupc++ -Wl,--end-group")
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set(TOOLCHAIN_LINK_LIBRARIES "m")
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