设置.编译器,里面有c++11勾选就支持了
从cmake 3.8版本开始，cmake可识别的编译特性增加了代表C++标准的特性名:cxx_std_98,cxx_std_11,cx...
{CMAKE_CXX_FLAGS} -std=c++14") # set C++ 11 # set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99") elseif(COMPILER_SUPPORTS_CXX0X) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") message( STATUS "The comipler ${CMAKE_CXX_COMIPLER} has no C++ 11 suport. Please use ...
add_definitions("-std=gnu++0x") else () message(FATAL_ERROR "C++11 needed. Therefore a gcc compiler with a version higher than 4.3 is needed.") endif() else(CMAKE_COMPILER_IS_GNUCXX) add_definitions("-std=c++0x") endif(CMAKE_COMPILER_IS_GNUCXX)...
因为最好在 CMake 运行期间通知用户代码将无法编译,因为编译器不支持 C++11。目前我设置了 C++11 标志。但是,如果编译器不支持它,则用户会在 CMake 运行期间收到编译错误而不是错误。
elseif(COMPILER_SUPPORTS_CXX0X) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") else() message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.") endif() 1. 2. 3. ...
带有makelist的目录），生成opencv相关lib文件.configure两次后，点击生成（cmake中选择安装的以依赖库，...
message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.") endif() add_executable(hello_cpp11 main.cpp) 二, 使用CMAKE_CXX_STANDARD变量 cmake 3.1版本后才有的特性 cmake_minimum_required(VERSION 3.1) ...
set(CMAKE_CXX_EXTENSIONS OFF) #...without compiler extensions like gnu++11 这会在编译期间启用此声明之后的所有目标的选项。如果您想控制更细粒度,请参阅 Alvaro 的答案或 set_taget_properties() 的CMake Docs,然后看起来像这样: set_target_properties(myTarget PROPERTIES CXX_STANDARD 11 CXX_STANDARD_...
# 相关链接:https://cmake.org/cmake/help/v3.0/module/CheckCXXCompilerFlag.htmlinclude(CheckCXXCompilerFlag)CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)if(COMPILER_SUPPORTS_CXX11) add_definitions("-std=c++11")