"fatal error: 'chrono' file not found" when compiling C++ project based on CMake

Question

您知道该错误消息的含义以及我现在应该做什么吗？

vpn-global-dhcp3-252:build Dolyn$ make

Scanning dependencies of target mdatom 
[ 10%] Building CXX object CMakeFiles/mdatom.dir/src/main.cpp.o
/Users/Dolyn/sources/src/main.cpp:124:11: fatal error: 
  'chrono' file not found
#include      <chrono>            
For high resolutio    timings
                    ^
1 error generated.

我不知道我现在要做什么。

Answer 1

构建错误可能意味着源文件包含 C++11 header (<chrono>) 但您正在编译时不支持 C ++11。鉴于您的编译器支持 C++11，您需要使用 CMakeLists.txt 文件中的以下行激活它：

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

"fatal error: 'chrono' file not found" when compiling C++ project based on CMake

"fatal error: 'chrono' file not found" when compiling C++ project based on CMake

c++

cmake