CMakeLists.txt 编写问题 - V2EX
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thomaswang

CMakeLists.txt 编写问题

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  •   thomaswang Mar 1, 2018 3171 views
    This topic created in 2982 days ago, the information mentioned may be changed or developed.

    在编译的时候加上-Wall -g 之类的参数,方便调试,如何编译 CMakeLists.txt

    5 replies    2018-03-01 12:06:00 +08:00
    jiutai21
        1
    jiutai21  
       Mar 1, 2018
    set(CMAKE_C_FLAGS "-Wall -O0 -ggdb")
    这样
    xylophone21
        2
    xylophone21  
       Mar 1, 2018
    内置的方法是:
    SET(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g -ggdb ")
    SET(CMAKE_CXX_FLAGS_RELEASE "${ENV{CXXFLAGS} -O3 -Wall")
    cmake -DCMAKE_BUILD_TYPE=Debug/Release path

    自定义的方法是:
    cmake -DXXX=1
    if(XXX STREQUAL 1)
    suikator
        3
    suikator  
       Mar 1, 2018 via Android
    set(CMAKE_BUILD_TYPE "Debug")
    set(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g -ggdb")
    set(CMAKE_CXX_FLAGS_RELEASE "$ENV{CXXFLAGS} -O3 -Wall")
        4
    radioactivezx  
       Mar 1, 2018
    上面说的直接设置 CMAKE_C_FLAGS/CMAKE_CXX_FLAGS,对 Debug/Release/RELWITHDEBINFO/MINSIZEREL 单独设置也可以。

    有专门的命令 add_compile_options 对目录级别设置。

    对单独 target 设置可以用 target_compile_options 或更通用也更麻烦的 set_target_properties(... COMPILE_FLAGS ...) 设置。

    具体以上命令可以查 CMake 文档。

    @suikator set(CMAKE_BUILD_TYPE "Debug") 是没有用的,如果想要默认直接设置 CMAKE_BUILD_TYPE 应该 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "" FORCE)
    radioactivezx
    700388
        5
    700388  
       Mar 1, 2018
    cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release
    cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug

    前提要在 CMakeLists.txt 声明。
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