设置.编译器,里面有c++11勾选就支持了
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)...
if(COMPILER_SUPPORTS_CXX11) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") elseif(COMPILER_SUPPORTS_CXX0X) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") else() message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ co...
因为最好在 CMake 运行期间通知用户代码将无法编译,因为编译器不支持 C++11。目前我设置了 C++11 标志。但是,如果编译器不支持它,则用户会在 CMake 运行期间收到编译错误而不是错误。
从cmake 3.8版本开始，cmake可识别的编译特性增加了代表C++标准的特性名:cxx_std_98,cxx_std_11,cx...
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") 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()...
# 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")
下载解压后,进入cmake源代码目录 ./configure 报错: Cannot find a C++ compiler that supports both C++11 and the specified C++ flags. Please specify one using environment variable CXX 解决: yum install gcc gcc-c++ 使用make或gmake编译安装之后, ...
使用标志位CMAKE_CXX_STANDARD_REQUIRED和CMAKE_CXX_STANDARD指定编译器的使用版本,如果CMAKE_CXX_STANDARD_REQUIRED设置为True,则必须使用CMAKE_CXX_STANDARD指定的版本,如果CMAKE_CXX_STANDARD_REQUIRED设置为OFF则CMAKE_CXX_STANDARD指定版本的为首选版本,如果没有会使用上一版本。 代码语言:javascript 复制 ...
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) ...