如何将RelWithDebInfo的调试符号标志复制到自定义Profile构建配置?
自定义CMake Profile配置缺失调试符号问题
问题描述
我创建了一个名为“Profile”的自定义CMake构建配置,希望它基于“RelWithDebInfo”的默认标志,且在CMake其他部分为该配置启用特定预处理器定义。
我的设置如下:
set(ULTRA_ALLOWED_BUILD_TYPES Debug RelWithDebInfo Profile) # Copy flags from RelWithDebInfo set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_MODULE_LINKER_FLAGS_PROFILE "${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_STATIC_LINKER_FLAGS_PROFILE "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_MAP_IMPORTED_CONFIG_PROFILE "Release") # 参考相关讨论设置 get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG ) # For multi-configuration generators, use generator expressions if(isMultiConfig) set(CMAKE_CONFIGURATION_TYPES ${ULTRA_ALLOWED_BUILD_TYPES} CACHE STRING "" FORCE) # add_compile_definitions($<CONFIG:Profile>:ULTRA_PROFILING_ENABLED) else() set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "${ULTRA_ALLOWED_BUILD_TYPES}") if(NOT CMAKE_BUILD_TYPE OR(NOT CMAKE_BUILD_TYPE IN_LIST ULTRA_ALLOWED_BUILD_TYPES)) message(FATAL_ERROR "Missing or invalid build type: ${CMAKE_BUILD_TYPE}\n" "Set CMAKE_BUILD_TYPE to one of : ${ULTRA_ALLOWED_BUILD_TYPES}" ) endif() endif()
该配置可正常运行,但生成的项目未启用调试符号(MSVC下的/Zi标志)。请问如何将“RelWithDebInfo”配置中启用调试符号的标志复制过来?
解决方案
问题出在你只复制了CMAKE_C_FLAGS_RELWITHDEBINFO这类基础变量,但MSVC的调试符号设置还依赖于CMake为不同配置单独管理的调试信息专属变量。你需要补充复制这些变量,或者直接手动添加对应标志:
方案1:完整继承RelWithDebInfo的调试符号配置
添加以下变量复制逻辑,确保Profile配置完全继承RelWithDebInfo的调试符号相关设置:
# 复制基础编译/链接标志 set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_MODULE_LINKER_FLAGS_PROFILE "${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) set(CMAKE_STATIC_LINKER_FLAGS_PROFILE "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO}" CACHE STRING "" FORCE) # 新增:复制调试信息格式与编译选项 set(CMAKE_C_FLAGS_PROFILE_DEBUGINFO_FORMAT "${CMAKE_C_FLAGS_RELWITHDEBINFO_DEBUGINFO_FORMAT}" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_PROFILE_DEBUGINFO_FORMAT "${CMAKE_C_FLAGS_RELWITHDEBINFO_DEBUGINFO_FORMAT}" CACHE STRING "" FORCE) set(CMAKE_C_COMPILE_OPTIONS_PROFILE_DEBUGINFO "${CMAKE_C_COMPILE_OPTIONS_RELWITHDEBINFO_DEBUGINFO}" CACHE STRING "" FORCE) set(CMAKE_CXX_COMPILE_OPTIONS_PROFILE_DEBUGINFO "${CMAKE_CXX_COMPILE_OPTIONS_RELWITHDEBINFO_DEBUGINFO}" CACHE STRING "" FORCE) # 新增:复制链接器的调试符号设置 set(CMAKE_EXE_LINKER_FLAGS_PROFILE_DEBUGINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_DEBUGINFO}" CACHE STRING "" FORCE) set(CMAKE_SHARED_LINKER_FLAGS_PROFILE_DEBUGINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO_DEBUGINFO}" CACHE STRING "" FORCE) set(CMAKE_MODULE_LINKER_FLAGS_PROFILE_DEBUGINFO "${CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO_DEBUGINFO}" CACHE STRING "" FORCE)
方案2:手动添加MSVC调试符号标志
如果确认RelWithDebInfo使用的是/Zi编译标志和/DEBUG链接标志,可以直接追加到Profile配置中:
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELWITHDEBINFO} /Zi" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /Zi" CACHE STRING "" FORCE) # 确保链接器保留调试符号 set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /DEBUG" CACHE STRING "" FORCE)
额外提示
你注释掉的add_compile_definitions($<CONFIG:Profile>:ULTRA_PROFILING_ENABLED)可以取消注释,这样就能为Profile配置添加专属的预处理器定义。
内容的提问来源于stack exchange,提问作者Elad Maimoni
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