TLDR:当使用$<CXX_COMPILER_ID:Clang>并且必须CMP0025然后NEW将AppleClang不匹配它。 两者都匹配 首先,我认为策略CMP0025设置NEW为AppleClang在MacOS 上clang使用由Xcode if (POLICY CMP0025) cmake_policy(SET CMP0025 NEW) endif() Run Code Online (Sandbo
CMAKE_GENERATOR: 构建系统 CMAKE_BUILD_TYPE: 构建模式,debug/release 等 CMAKE_CXX_STANDARD: c++标准,例如 20 代表 c++20 CMAKE_CXX_STANDARD_REQUIRED: 布尔变量,是否严格要求满足 c++标准 CMAKE_DEBUG_POSTFIX: debug 模式下会给生成的库赋予额外的后缀,便于区分,例如set(CMAKE_DEBUG_POSTFIX "_d") 鉴于...
首先,确保你的项目中已经安装了protobuf库,并且在CMake中正确地配置了protobuf的路径。 打开你的CMakeList.txt文件,在protobuf相关的目标生成部分添加以下代码: 代码语言:txt 复制 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") target_compile_options(your_target_name PRIVATE "-Wno-unknown-warning-opti...
一个可靠的检查是使用 CMAKE_<LANG>_COMPILER_ID 变量。例如,检查 C++ 编译器: if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") # using Clang elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") # using GCC elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") # using Intel C++ elseif (CMAKE_CXX_CO...
(CMAKE_CXX_COMPILER_ID MATCHES "NVIDIA") target_compile_definitions(main PUBLIC MY_NAME="nvcc") elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang") target_compile_definitions(main PUBLIC MY_NAME="clang") elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC") target_compile_definitions(main PUBLIC MY_...
//示例1:set(ENV{CXX}"clang++")unset(ENV{VERBOSE})//示例2:set(ENV{CMAKE_PATH}"myown/path/example")# 判断CMAKE_PATH环境变量是否定义if(DEFINEDENV{CMAKE_PATH})//注意此处ENV前没有$符号message("CMAKE_PATH_1: $ENV{CMAKE_PATH}")//注意此处ENV前有$符号else()message("NOT DEFINED CMAKE...
cmake if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") MESSAGE("Clang") elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") MESSAGE("GNU") elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel") MESSAGE("Intel") elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") MESSAGE("...
语言是由project()命令启用的。指定语言的内置变量(如CMAKE_CXX_COMPILER\CMAKE_CXX_COMPILER_ID等)在调用project()命令时被设置。如果在顶层的CMakeLists文件中没有project()命令,将生成一个隐式的。缺省启用的语言是C和CXX: project(C_Only C) A special value of NONE can also be used with the project...
判断编译器类型if ($CMAKE_CXX_COMPILER_ID MATCHES Clang) MESSAGE(Clang)elseif ($CMAKE_CXX_COMPILER_ID STREQUAL GNU) MESSAGE(GNU)elseif ($CMAKE_CXX_COMPILER_ID ST 2、REQUAL Intel) MESSAGE(Intel)elseif ($CMAKE_CXX_COMPILER_ID STREQUAL MSVC) MESSAGE(MSVC)endif()命令选项- D-D 相当于就...