C++ MinGW 错误：“线程”不是“标准”的成员
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MinGW error: ‘thread’ is not a member of ‘std’
提问by Hi-Angel
I'm trying to cross-compile for Windows a simple application:
我正在尝试为 Windows 交叉编译一个简单的应用程序：
#include <thread>
void Func(){
return;
}
int main(){
std::thread thr1(Func);
thr1.detach();
return 0;
}
And that's what I get:
这就是我得到的：
$ i686-w64-mingw32-g++ -static-libstdc++ -static-libgcc -pipe -g -std=c++0x ./threadstutor.cpp
./threadstutor.cpp: In function ‘int main()':
./threadstutor.cpp:8:3: error: ‘thread' is not a member of ‘std'
./threadstutor.cpp:8:15: error: expected ‘;' before ‘thr1'
./threadstutor.cpp:9:3: error: ‘thr1' was not declared in this scope
Actually, this code have no such problem if compile with g++ for Ubuntu; but I need to cross-compile for Windows, and here I'm stuck.
其实这个代码在Ubuntu下用g++编译没有这个问题；但我需要为 Windows 进行交叉编译，而我被卡住了。
采纳答案by Sergey K.
This error means that the STL you are using does not contain all the features of C++11.
此错误意味着您使用的 STL 不包含 C++11 的所有功能。
To access C++11 threads in Windows, you will need a build of Mingw with posix-threads. Here you can find Mingw-Builds v4.8.1: http://sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.8.1/64-bit/threads-posix/sjlj/
要在 Windows 中访问 C++11 线程，您需要使用 posix-threads 构建 Mingw。在这里你可以找到 Mingw-Builds v4.8.1：http: //sourceforge.net/projects/mingwbuilds/files/host-windows/releases/4.8.1/64-bit/threads-posix/sjlj/
回答by Alexander Vassilev
There is already a better option: https://github.com/meganz/mingw-std-threadsThis is a lightweight win32 native implementation of the most used threading and synchronization C++11 classes for MinGW. These are implemented in a header-only library that can co-exist with the system libs. It supports Windows XP as well, which does not have a direct analog of conditional variables.
已经有更好的选择：https: //github.com/meganz/mingw-std-threads这是MinGW最常用的线程和同步C++11类的轻量级win32本机实现。这些是在可以与系统库共存的仅头文件库中实现的。它也支持 Windows XP，它没有条件变量的直接模拟。
